diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-03-18 10:12:31 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-03-18 10:12:31 +0100 |
| commit | bcc298bc924e0a990f853ba3e19f8b5a833cba7e (patch) | |
| tree | 1c87c8f73dc41fd11ee3dacb1b91a7cc8b4798bb | |
| parent | Merge branch 'drm-docs' of ssh://people.freedesktop.org/~danvet/drm into drm-... (diff) | |
| parent | Linux 3.14-rc7 (diff) | |
| download | linux-bcc298bc924e0a990f853ba3e19f8b5a833cba7e.tar.xz linux-bcc298bc924e0a990f853ba3e19f8b5a833cba7e.zip | |
Merge tag 'v3.14-rc7' into drm-next
Linux 3.14-rc7
Backmerge to help out Intel guys.
589 files changed, 5708 insertions, 3858 deletions
diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index e6b72d355151..68c0f517c60e 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -124,12 +124,11 @@ the default being 204800 sectors (or 100MB). Updating on-disk metadata ------------------------- -On-disk metadata is committed every time a REQ_SYNC or REQ_FUA bio is -written. If no such requests are made then commits will occur every -second. This means the cache behaves like a physical disk that has a -write cache (the same is true of the thin-provisioning target). If -power is lost you may lose some recent writes. The metadata should -always be consistent in spite of any crash. +On-disk metadata is committed every time a FLUSH or FUA bio is written. +If no such requests are made then commits will occur every second. This +means the cache behaves like a physical disk that has a volatile write +cache. If power is lost you may lose some recent writes. The metadata +should always be consistent in spite of any crash. The 'dirty' state for a cache block changes far too frequently for us to keep updating it on the fly. So we treat it as a hint. In normal diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 8a7a3d46e0da..05a27e9442bd 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -116,6 +116,35 @@ Resuming a device with a new table itself triggers an event so the userspace daemon can use this to detect a situation where a new table already exceeds the threshold. +A low water mark for the metadata device is maintained in the kernel and +will trigger a dm event if free space on the metadata device drops below +it. + +Updating on-disk metadata +------------------------- + +On-disk metadata is committed every time a FLUSH or FUA bio is written. +If no such requests are made then commits will occur every second. This +means the thin-provisioning target behaves like a physical disk that has +a volatile write cache. If power is lost you may lose some recent +writes. The metadata should always be consistent in spite of any crash. + +If data space is exhausted the pool will either error or queue IO +according to the configuration (see: error_if_no_space). If metadata +space is exhausted or a metadata operation fails: the pool will error IO +until the pool is taken offline and repair is performed to 1) fix any +potential inconsistencies and 2) clear the flag that imposes repair. +Once the pool's metadata device is repaired it may be resized, which +will allow the pool to return to normal operation. Note that if a pool +is flagged as needing repair, the pool's data and metadata devices +cannot be resized until repair is performed. It should also be noted +that when the pool's metadata space is exhausted the current metadata +transaction is aborted. Given that the pool will cache IO whose +completion may have already been acknowledged to upper IO layers +(e.g. filesystem) it is strongly suggested that consistency checks +(e.g. fsck) be performed on those layers when repair of the pool is +required. + Thin provisioning ----------------- @@ -258,10 +287,9 @@ ii) Status should register for the event and then check the target's status. held metadata root: - The location, in sectors, of the metadata root that has been + The location, in blocks, of the metadata root that has been 'held' for userspace read access. '-' indicates there is no - held root. This feature is not yet implemented so '-' is - always returned. + held root. discard_passdown|no_discard_passdown Whether or not discards are actually being passed down to the diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt index a6a352c2771e..5992dceec7af 100644 --- a/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mstp-clocks.txt @@ -21,9 +21,9 @@ Required Properties: must appear in the same order as the output clocks. - #clock-cells: Must be 1 - clock-output-names: The name of the clocks as free-form strings - - renesas,indices: Indices of the gate clocks into the group (0 to 31) + - renesas,clock-indices: Indices of the gate clocks into the group (0 to 31) -The clocks, clock-output-names and renesas,indices properties contain one +The clocks, clock-output-names and renesas,clock-indices properties contain one entry per gate clock. The MSTP groups are sparsely populated. Unimplemented gate clocks must not be declared. diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt index 68b83ecc3850..ee9be9961524 100644 --- a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt @@ -1,12 +1,16 @@ * Freescale Smart Direct Memory Access (SDMA) Controller for i.MX Required properties: -- compatible : Should be "fsl,imx31-sdma", "fsl,imx31-to1-sdma", - "fsl,imx31-to2-sdma", "fsl,imx35-sdma", "fsl,imx35-to1-sdma", - "fsl,imx35-to2-sdma", "fsl,imx51-sdma", "fsl,imx53-sdma" or - "fsl,imx6q-sdma". The -to variants should be preferred since they - allow to determnine the correct ROM script addresses needed for - the driver to work without additional firmware. +- compatible : Should be one of + "fsl,imx25-sdma" + "fsl,imx31-sdma", "fsl,imx31-to1-sdma", "fsl,imx31-to2-sdma" + "fsl,imx35-sdma", "fsl,imx35-to1-sdma", "fsl,imx35-to2-sdma" + "fsl,imx51-sdma" + "fsl,imx53-sdma" + "fsl,imx6q-sdma" + The -to variants should be preferred since they allow to determnine the + correct ROM script addresses needed for the driver to work without additional + firmware. - reg : Should contain SDMA registers location and length - interrupts : Should contain SDMA interrupt - #dma-cells : Must be <3>. diff --git a/Documentation/devicetree/bindings/net/opencores-ethoc.txt b/Documentation/devicetree/bindings/net/opencores-ethoc.txt new file mode 100644 index 000000000000..2dc127c30d9b --- /dev/null +++ b/Documentation/devicetree/bindings/net/opencores-ethoc.txt @@ -0,0 +1,22 @@ +* OpenCores MAC 10/100 Mbps + +Required properties: +- compatible: Should be "opencores,ethoc". +- reg: two memory regions (address and length), + first region is for the device registers and descriptor rings, + second is for the device packet memory. +- interrupts: interrupt for the device. + +Optional properties: +- clocks: phandle to refer to the clk used as per + Documentation/devicetree/bindings/clock/clock-bindings.txt + +Examples: + + enet0: ethoc@fd030000 { + compatible = "opencores,ethoc"; + reg = <0xfd030000 0x4000 0xfd800000 0x4000>; + interrupts = <1>; + local-mac-address = [00 50 c2 13 6f 00]; + clocks = <&osc>; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,capri-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm11351-pinctrl.txt index 9e9e9ef9f852..c119debe6bab 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,capri-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm11351-pinctrl.txt @@ -1,4 +1,4 @@ -Broadcom Capri Pin Controller +Broadcom BCM281xx Pin Controller This is a pin controller for the Broadcom BCM281xx SoC family, which includes BCM11130, BCM11140, BCM11351, BCM28145, and BCM28155 SoCs. @@ -7,14 +7,14 @@ BCM11130, BCM11140, BCM11351, BCM28145, and BCM28155 SoCs. Required Properties: -- compatible: Must be "brcm,capri-pinctrl". +- compatible: Must be "brcm,bcm11351-pinctrl" - reg: Base address of the PAD Controller register block and the size of the block. For example, the following is the bare minimum node: pinctrl@35004800 { - compatible = "brcm,capri-pinctrl"; + compatible = "brcm,bcm11351-pinctrl"; reg = <0x35004800 0x430>; }; @@ -119,7 +119,7 @@ Optional Properties (for HDMI pins): Example: // pin controller node pinctrl@35004800 { - compatible = "brcm,capri-pinctrl"; + compatible = "brcmbcm11351-pinctrl"; reg = <0x35004800 0x430>; // pin configuration node diff --git a/Documentation/networking/can.txt b/Documentation/networking/can.txt index f3089d423515..0cbe6ec22d6f 100644 --- a/Documentation/networking/can.txt +++ b/Documentation/networking/can.txt @@ -554,12 +554,6 @@ solution for a couple of reasons: not specified in the struct can_frame and therefore it is only valid in CANFD_MTU sized CAN FD frames. - As long as the payload length is <=8 the received CAN frames from CAN FD - capable CAN devices can be received and read by legacy sockets too. When - user-generated CAN FD frames have a payload length <=8 these can be send - by legacy CAN network interfaces too. Sending CAN FD frames with payload - length > 8 to a legacy CAN network interface returns an -EMSGSIZE error. - Implementation hint for new CAN applications: To build a CAN FD aware application use struct canfd_frame as basic CAN diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index 1404674c0a02..6fea79efb4cb 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt @@ -453,7 +453,7 @@ TP_STATUS_COPY : This flag indicates that the frame (and associated enabled previously with setsockopt() and the PACKET_COPY_THRESH option. - The number of frames than can be buffered to + The number of frames that can be buffered to be read with recvfrom is limited like a normal socket. See the SO_RCVBUF option in the socket (7) man page. diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.txt index 661d3c316a17..048c92b487f6 100644 --- a/Documentation/networking/timestamping.txt +++ b/Documentation/networking/timestamping.txt @@ -21,26 +21,38 @@ has such a feature). SO_TIMESTAMPING: -Instructs the socket layer which kind of information is wanted. The -parameter is an integer with some of the following bits set. Setting -other bits is an error and doesn't change the current state. - -SOF_TIMESTAMPING_TX_HARDWARE: try to obtain send time stamp in hardware -SOF_TIMESTAMPING_TX_SOFTWARE: if SOF_TIMESTAMPING_TX_HARDWARE is off or - fails, then do it in software -SOF_TIMESTAMPING_RX_HARDWARE: return the original, unmodified time stamp - as generated by the hardware -SOF_TIMESTAMPING_RX_SOFTWARE: if SOF_TIMESTAMPING_RX_HARDWARE is off or - fails, then do it in software -SOF_TIMESTAMPING_RAW_HARDWARE: return original raw hardware time stamp -SOF_TIMESTAMPING_SYS_HARDWARE: return hardware time stamp transformed to - the system time base -SOF_TIMESTAMPING_SOFTWARE: return system time stamp generated in - software - -SOF_TIMESTAMPING_TX/RX determine how time stamps are generated. -SOF_TIMESTAMPING_RAW/SYS determine how they are reported in the -following control message: +Instructs the socket layer which kind of information should be collected +and/or reported. The parameter is an integer with some of the following +bits set. Setting other bits is an error and doesn't change the current +state. + +Four of the bits are requests to the stack to try to generate +timestamps. Any combination of them is valid. + +SOF_TIMESTAMPING_TX_HARDWARE: try to obtain send time stamps in hardware +SOF_TIMESTAMPING_TX_SOFTWARE: try to obtain send time stamps in software +SOF_TIMESTAMPING_RX_HARDWARE: try to obtain receive time stamps in hardware +SOF_TIMESTAMPING_RX_SOFTWARE: try to obtain receive time stamps in software + +The other three bits control which timestamps will be reported in a +generated control message. If none of these bits are set or if none of +the set bits correspond to data that is available, then the control +message will not be generated: + +SOF_TIMESTAMPING_SOFTWARE: report systime if available +SOF_TIMESTAMPING_SYS_HARDWARE: report hwtimetrans if available +SOF_TIMESTAMPING_RAW_HARDWARE: report hwtimeraw if available + +It is worth noting that timestamps may be collected for reasons other +than being requested by a particular socket with +SOF_TIMESTAMPING_[TR]X_(HARD|SOFT)WARE. For example, most drivers that +can generate hardware receive timestamps ignore +SOF_TIMESTAMPING_RX_HARDWARE. It is still a good idea to set that flag +in case future drivers pay attention. + +If timestamps are reported, they will appear in a control message with +cmsg_level==SOL_SOCKET, cmsg_type==SO_TIMESTAMPING, and a payload like +this: struct scm_timestamping { struct timespec systime; diff --git a/MAINTAINERS b/MAINTAINERS index 85b3dd8008b7..b3fdb0f004ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -73,7 +73,8 @@ Descriptions of section entries: L: Mailing list that is relevant to this area W: Web-page with status/info Q: Patchwork web based patch tracking system site - T: SCM tree type and location. Type is one of: git, hg, quilt, stgit, topgit. + T: SCM tree type and location. + Type is one of: git, hg, quilt, stgit, topgit S: Status, one of the following: Supported: Someone is actually paid to look after this. Maintained: Someone actually looks after it. @@ -473,7 +474,7 @@ F: net/rxrpc/af_rxrpc.c AGPGART DRIVER M: David Airlie <airlied@linux.ie> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git +T: git git://people.freedesktop.org/~airlied/linux (part of drm maint) S: Maintained F: drivers/char/agp/ F: include/linux/agp* @@ -538,7 +539,7 @@ F: arch/alpha/ ALTERA UART/JTAG UART SERIAL DRIVERS M: Tobias Klauser <tklauser@distanz.ch> L: linux-serial@vger.kernel.org -L: nios2-dev@sopc.et.ntust.edu.tw (moderated for non-subscribers) +L: nios2-dev@lists.rocketboards.org (moderated for non-subscribers) S: Maintained F: drivers/tty/serial/altera_uart.c F: drivers/tty/serial/altera_jtaguart.c @@ -1612,11 +1613,11 @@ S: Maintained F: drivers/net/wireless/atmel* ATTO EXPRESSSAS SAS/SATA RAID SCSI DRIVER -M: Bradley Grove <linuxdrivers@attotech.com> -L: linux-scsi@vger.kernel.org -W: http://www.attotech.com -S: Supported -F: drivers/scsi/esas2r +M: Bradley Grove <linuxdrivers@attotech.com> +L: linux-scsi@vger.kernel.org +W: http://www.attotech.com +S: Supported +F: drivers/scsi/esas2r AUDIT SUBSYSTEM M: Eric Paris <eparis@redhat.com> @@ -1737,6 +1738,7 @@ F: include/uapi/linux/bfs_fs.h BLACKFIN ARCHITECTURE M: Steven Miao <realmz6@gmail.com> L: adi-buildroot-devel@lists.sourceforge.net +T: git git://git.code.sf.net/p/adi-linux/code W: http://blackfin.uclinux.org S: Supported F: arch/blackfin/ @@ -2159,7 +2161,7 @@ F: Documentation/zh_CN/ CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER M: Peter Chen <Peter.Chen@freescale.com> -T: git://github.com/hzpeterchen/linux-usb.git +T: git git://github.com/hzpeterchen/linux-usb.git L: linux-usb@vger.kernel.org S: Maintained F: drivers/usb/chipidea/ @@ -2179,9 +2181,9 @@ S: Supported F: drivers/net/ethernet/cisco/enic/ CISCO VIC LOW LATENCY NIC DRIVER -M: Upinder Malhi <umalhi@cisco.com> -S: Supported -F: drivers/infiniband/hw/usnic +M: Upinder Malhi <umalhi@cisco.com> +S: Supported +F: drivers/infiniband/hw/usnic CIRRUS LOGIC EP93XX ETHERNET DRIVER M: Hartley Sweeten <hsweeten@visionengravers.com> @@ -2378,20 +2380,20 @@ F: drivers/cpufreq/arm_big_little.c F: drivers/cpufreq/arm_big_little_dt.c CPUIDLE DRIVER - ARM BIG LITTLE -M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> -M: Daniel Lezcano <daniel.lezcano@linaro.org> -L: linux-pm@vger.kernel.org -L: linux-arm-kernel@lists.infradead.org -T: git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git -S: Maintained -F: drivers/cpuidle/cpuidle-big_little.c +M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +M: Daniel Lezcano <daniel.lezcano@linaro.org> +L: linux-pm@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git +S: Maintained +F: drivers/cpuidle/cpuidle-big_little.c CPUIDLE DRIVERS M: Rafael J. Wysocki <rjw@rjwysocki.net> M: Daniel Lezcano <daniel.lezcano@linaro.org> L: linux-pm@vger.kernel.org S: Maintained -T: git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git F: drivers/cpuidle/* F: include/linux/cpuidle.h @@ -2458,9 +2460,9 @@ S: Maintained F: sound/pci/cs5535audio/ CW1200 WLAN driver -M: Solomon Peachy <pizza@shaftnet.org> -S: Maintained -F: drivers/net/wireless/cw1200/ +M: Solomon Peachy <pizza@shaftnet.org> +S: Maintained +F: drivers/net/wireless/cw1200/ CX18 VIDEO4LINUX DRIVER M: Andy Walls <awalls@md.metrocast.net> @@ -2611,9 +2613,9 @@ DC395x SCSI driver M: Oliver Neukum <oliver@neukum.org> M: Ali Akcaagac <aliakc@web.de> M: Jamie Lenehan <lenehan@twibble.org> -W: http://twibble.org/dist/dc395x/ L: dc395x@twibble.org -L: http://lists.twibble.org/mailman/listinfo/dc395x/ +W: http://twibble.org/dist/dc395x/ +W: http://lists.twibble.org/mailman/listinfo/dc395x/ S: Maintained F: Documentation/scsi/dc395x.txt F: drivers/scsi/dc395x.* @@ -2848,12 +2850,22 @@ F: lib/kobj* DRM DRIVERS M: David Airlie <airlied@linux.ie> L: dri-devel@lists.freedesktop.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git +T: git git://people.freedesktop.org/~airlied/linux S: Maintained F: drivers/gpu/drm/ F: include/drm/ F: include/uapi/drm/ +RADEON DRM DRIVERS +M: Alex Deucher <alexander.deucher@amd.com> +M: Christian König <christian.koenig@amd.com> +L: dri-devel@lists.freedesktop.org +T: git git://people.freedesktop.org/~agd5f/linux +S: Supported +F: drivers/gpu/drm/radeon/ +F: include/drm/radeon* +F: include/uapi/drm/radeon* + INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets) M: Daniel Vetter <daniel.vetter@ffwll.ch> M: Jani Nikula <jani.nikula@linux.intel.com> @@ -3085,6 +3097,8 @@ F: fs/ecryptfs/ EDAC-CORE M: Doug Thompson <dougthompson@xmission.com> +M: Borislav Petkov <bp@alien8.de> +M: Mauro Carvalho Chehab <m.chehab@samsung.com> L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Supported @@ -4548,6 +4562,7 @@ F: Documentation/networking/ixgbevf.txt F: Documentation/networking/i40e.txt F: Documentation/networking/i40evf.txt F: drivers/net/ethernet/intel/ +F: drivers/net/ethernet/intel/*/ INTEL-MID GPIO DRIVER M: David Cohen <david.a.cohen@linux.intel.com> @@ -4904,7 +4919,7 @@ F: drivers/staging/ktap/ KCONFIG M: "Yann E. MORIN" <yann.morin.1998@free.fr> L: linux-kbuild@vger.kernel.org -T: git://gitorious.org/linux-kconfig/linux-kconfig +T: git git://gitorious.org/linux-kconfig/linux-kconfig S: Maintained F: Documentation/kbuild/kconfig-language.txt F: scripts/kconfig/ @@ -5461,11 +5476,11 @@ S: Maintained F: drivers/media/tuners/m88ts2022* MA901 MASTERKIT USB FM RADIO DRIVER -M: Alexey Klimov <klimov.linux@gmail.com> -L: linux-media@vger.kernel.org -T: git git://linuxtv.org/media_tree.git -S: Maintained -F: drivers/media/radio/radio-ma901.c +M: Alexey Klimov <klimov.linux@gmail.com> +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/radio/radio-ma901.c MAC80211 M: Johannes Berg <johannes@sipsolutions.net> @@ -5501,6 +5516,11 @@ W: http://www.kernel.org/doc/man-pages L: linux-man@vger.kernel.org S: Maintained +MARVELL ARMADA DRM SUPPORT +M: Russell King <rmk+kernel@arm.linux.org.uk> +S: Maintained +F: drivers/gpu/drm/armada/ + MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2) M: Mirko Lindner <mlindner@marvell.com> M: Stephen Hemminger <stephen@networkplumber.org> @@ -5621,7 +5641,7 @@ F: drivers/scsi/megaraid/ MELLANOX ETHERNET DRIVER (mlx4_en) M: Amir Vadai <amirv@mellanox.com> -L: netdev@vger.kernel.org +L: netdev@vger.kernel.org S: Supported W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ @@ -5662,7 +5682,7 @@ F: include/linux/mtd/ F: include/uapi/mtd/ MEN A21 WATCHDOG DRIVER -M: Johannes Thumshirn <johannes.thumshirn@men.de> +M: Johannes Thumshirn <johannes.thumshirn@men.de> L: linux-watchdog@vger.kernel.org S: Supported F: drivers/watchdog/mena21_wdt.c @@ -5718,20 +5738,20 @@ L: linux-rdma@vger.kernel.org W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ Q: http://patchwork.kernel.org/project/linux-rdma/list/ -T: git://openfabrics.org/~eli/connect-ib.git +T: git git://openfabrics.org/~eli/connect-ib.git S: Supported F: drivers/net/ethernet/mellanox/mlx5/core/ F: include/linux/mlx5/ Mellanox MLX5 IB driver -M: Eli Cohen <eli@mellanox.com> -L: linux-rdma@vger.kernel.org -W: http://www.mellanox.com -Q: http://patchwork.kernel.org/project/linux-rdma/list/ -T: git://openfabrics.org/~eli/connect-ib.git -S: Supported -F: include/linux/mlx5/ -F: drivers/infiniband/hw/mlx5/ +M: Eli Cohen <eli@mellanox.com> +L: linux-rdma@vger.kernel.org +W: http://www.mellanox.com +Q: http://patchwork.kernel.org/project/linux-rdma/list/ +T: git git://openfabrics.org/~eli/connect-ib.git +S: Supported +F: include/linux/mlx5/ +F: drivers/infiniband/hw/mlx5/ MODULE SUPPORT M: Rusty Russell <rusty@rustcorp.com.au> @@ -5983,6 +6003,8 @@ F: include/linux/netdevice.h F: include/uapi/linux/in.h F: include/uapi/linux/net.h F: include/uapi/linux/netdevice.h +F: tools/net/ +F: tools/testing/selftests/net/ NETWORKING [IPv4/IPv6] M: "David S. Miller" <davem@davemloft.net> @@ -6156,6 +6178,12 @@ S: Supported F: drivers/block/nvme* F: include/linux/nvme.h +NXP TDA998X DRM DRIVER +M: Russell King <rmk+kernel@arm.linux.org.uk> +S: Supported +F: drivers/gpu/drm/i2c/tda998x_drv.c +F: include/drm/i2c/tda998x.h + OMAP SUPPORT M: Tony Lindgren <tony@atomide.com> L: linux-omap@vger.kernel.org @@ -8443,8 +8471,8 @@ TARGET SUBSYSTEM M: Nicholas A. Bellinger <nab@linux-iscsi.org> L: linux-scsi@vger.kernel.org L: target-devel@vger.kernel.org -L: http://groups.google.com/group/linux-iscsi-target-dev W: http://www.linux-iscsi.org +W: http://groups.google.com/group/linux-iscsi-target-dev T: git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master S: Supported F: drivers/target/ @@ -8685,17 +8713,17 @@ S: Maintained F: drivers/media/radio/radio-raremono.c THERMAL -M: Zhang Rui <rui.zhang@intel.com> -M: Eduardo Valentin <eduardo.valentin@ti.com> -L: linux-pm@vger.kernel.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git -T: git git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.git -Q: https://patchwork.kernel.org/project/linux-pm/list/ -S: Supported -F: drivers/thermal/ -F: include/linux/thermal.h -F: include/linux/cpu_cooling.h -F: Documentation/devicetree/bindings/thermal/ +M: Zhang Rui <rui.zhang@intel.com> +M: Eduardo Valentin <eduardo.valentin@ti.com> +L: linux-pm@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.git +Q: https://patchwork.kernel.org/project/linux-pm/list/ +S: Supported +F: drivers/thermal/ +F: include/linux/thermal.h +F: include/linux/cpu_cooling.h +F: Documentation/devicetree/bindings/thermal/ THINGM BLINK(1) USB RGB LED DRIVER M: Vivien Didelot <vivien.didelot@savoirfairelinux.com> @@ -9797,7 +9825,7 @@ ZR36067 VIDEO FOR LINUX DRIVER L: mjpeg-users@lists.sourceforge.net L: linux-media@vger.kernel.org W: http://mjpeg.sourceforge.net/driver-zoran/ -T: Mercurial http://linuxtv.org/hg/v4l-dvb +T: hg http://linuxtv.org/hg/v4l-dvb S: Odd Fixes F: drivers/media/pci/zoran/ @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 14 SUBLEVEL = 0 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc7 NAME = Shuffling Zombie Juror # *DOCUMENTATION* @@ -605,10 +605,11 @@ endif ifdef CONFIG_CC_STACKPROTECTOR_REGULAR stackp-flag := -fstack-protector ifeq ($(call cc-option, $(stackp-flag)),) - $(warning Cannot use CONFIG_CC_STACKPROTECTOR: \ - -fstack-protector not supported by compiler)) + $(warning Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: \ + -fstack-protector not supported by compiler) endif -else ifdef CONFIG_CC_STACKPROTECTOR_STRONG +else +ifdef CONFIG_CC_STACKPROTECTOR_STRONG stackp-flag := -fstack-protector-strong ifeq ($(call cc-option, $(stackp-flag)),) $(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \ @@ -618,6 +619,7 @@ else # Force off for distro compilers that enable stack protector by default. stackp-flag := $(call cc-option, -fno-stack-protector) endif +endif KBUILD_CFLAGS += $(stackp-flag) # This warning generated too much noise in a regular build. diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c index 6b58c1de7577..400c663b21c2 100644 --- a/arch/arc/mm/cache_arc700.c +++ b/arch/arc/mm/cache_arc700.c @@ -282,7 +282,7 @@ static inline void __cache_line_loop(unsigned long paddr, unsigned long vaddr, #else /* if V-P const for loop, PTAG can be written once outside loop */ if (full_page_op) - write_aux_reg(ARC_REG_DC_PTAG, paddr); + write_aux_reg(aux_tag, paddr); #endif while (num_lines-- > 0) { @@ -296,7 +296,7 @@ static inline void __cache_line_loop(unsigned long paddr, unsigned long vaddr, write_aux_reg(aux_cmd, vaddr); vaddr += L1_CACHE_BYTES; #else - write_aux_reg(aux, paddr); + write_aux_reg(aux_cmd, paddr); paddr += L1_CACHE_BYTES; #endif } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e25419817791..15949459611f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1578,6 +1578,7 @@ config BL_SWITCHER_DUMMY_IF choice prompt "Memory split" + depends on MMU default VMSPLIT_3G help Select the desired split between kernel and user memory. @@ -1595,6 +1596,7 @@ endchoice config PAGE_OFFSET hex + default PHYS_OFFSET if !MMU default 0x40000000 if VMSPLIT_1G default 0x80000000 if VMSPLIT_2G default 0xC0000000 @@ -1903,6 +1905,7 @@ config XEN depends on ARM && AEABI && OF depends on CPU_V7 && !CPU_V6 depends on !GENERIC_ATOMIC64 + depends on MMU select ARM_PSCI select SWIOTLB_XEN select ARCH_DMA_ADDR_T_64BIT diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore index 47279aa96a6a..0714e0334e33 100644 --- a/arch/arm/boot/compressed/.gitignore +++ b/arch/arm/boot/compressed/.gitignore @@ -1,4 +1,5 @@ ashldi3.S +bswapsdi2.S font.c lib1funcs.S hyp-stub.S diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi index e491b82f8d67..792fde1b7f75 100644 --- a/arch/arm/boot/dts/bcm11351.dtsi +++ b/arch/arm/boot/dts/bcm11351.dtsi @@ -147,7 +147,7 @@ }; pinctrl@35004800 { - compatible = "brcm,capri-pinctrl"; + compatible = "brcm,bcm11351-pinctrl"; reg = <0x35004800 0x430>; }; diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi index 2363593e1050..ef58d1c24313 100644 --- a/arch/arm/boot/dts/keystone-clocks.dtsi +++ b/arch/arm/boot/dts/keystone-clocks.dtsi @@ -612,7 +612,7 @@ clocks { compatible = "ti,keystone,psc-clock"; clocks = <&chipclk13>; clock-output-names = "vcp-3"; - reg = <0x0235000a8 0xb00>, <0x02350060 0x400>; + reg = <0x023500a8 0xb00>, <0x02350060 0x400>; reg-names = "control", "domain"; domain-id = <24>; }; diff --git a/arch/arm/boot/dts/omap3-gta04.dts b/arch/arm/boot/dts/omap3-gta04.dts index c551e4af4d83..d3b253bbc885 100644 --- a/arch/arm/boot/dts/omap3-gta04.dts +++ b/arch/arm/boot/dts/omap3-gta04.dts @@ -13,7 +13,7 @@ / { model = "OMAP3 GTA04"; - compatible = "ti,omap3-gta04", "ti,omap3"; + compatible = "ti,omap3-gta04", "ti,omap36xx", "ti,omap3"; cpus { cpu@0 { diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts index 25a2b5f652fd..f2779ac75872 100644 --- a/arch/arm/boot/dts/omap3-igep0020.dts +++ b/arch/arm/boot/dts/omap3-igep0020.dts @@ -14,7 +14,7 @@ / { model = "IGEPv2 (TI OMAP AM/DM37x)"; - compatible = "isee,omap3-igep0020", "ti,omap3"; + compatible = "isee,omap3-igep0020", "ti,omap36xx", "ti,omap3"; leds { pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/omap3-igep0030.dts b/arch/arm/boot/dts/omap3-igep0030.dts index 145c58cfc8ac..2793749eb1ba 100644 --- a/arch/arm/boot/dts/omap3-igep0030.dts +++ b/arch/arm/boot/dts/omap3-igep0030.dts @@ -13,7 +13,7 @@ / { model = "IGEP COM MODULE (TI OMAP AM/DM37x)"; - compatible = "isee,omap3-igep0030", "ti,omap3"; + compatible = "isee,omap3-igep0030", "ti,omap36xx", "ti,omap3"; leds { pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index 10666ca8aee1..d4d2763f4794 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -426,7 +426,7 @@ }; rtp: rtp@01c25000 { - compatible = "allwinner,sun4i-ts"; + compatible = "allwinner,sun4i-a10-ts"; reg = <0x01c25000 0x100>; interrupts = <29>; }; diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi index 64961595e8d6..79fd412005b0 100644 --- a/arch/arm/boot/dts/sun5i-a10s.dtsi +++ b/arch/arm/boot/dts/sun5i-a10s.dtsi @@ -383,7 +383,7 @@ }; rtp: rtp@01c25000 { - compatible = "allwinner,sun4i-ts"; + compatible = "allwinner,sun4i-a10-ts"; reg = <0x01c25000 0x100>; interrupts = <29>; }; diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi index 320335abfccd..c463fd730c91 100644 --- a/arch/arm/boot/dts/sun5i-a13.dtsi +++ b/arch/arm/boot/dts/sun5i-a13.dtsi @@ -346,7 +346,7 @@ }; rtp: rtp@01c25000 { - compatible = "allwinner,sun4i-ts"; + compatible = "allwinner,sun4i-a10-ts"; reg = <0x01c25000 0x100>; interrupts = <29>; }; diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index 9ff09484847b..6f25cf559ad0 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -454,7 +454,7 @@ rtc: rtc@01c20d00 { compatible = "allwinner,sun7i-a20-rtc"; reg = <0x01c20d00 0x20>; - interrupts = <0 24 1>; + interrupts = <0 24 4>; }; sid: eeprom@01c23800 { @@ -463,7 +463,7 @@ }; rtp: rtp@01c25000 { - compatible = "allwinner,sun4i-ts"; + compatible = "allwinner,sun4i-a10-ts"; reg = <0x01c25000 0x100>; interrupts = <0 29 4>; }; @@ -596,10 +596,10 @@ hstimer@01c60000 { compatible = "allwinner,sun7i-a20-hstimer"; reg = <0x01c60000 0x1000>; - interrupts = <0 81 1>, - <0 82 1>, - <0 83 1>, - <0 84 1>; + interrupts = <0 81 4>, + <0 82 4>, + <0 83 4>, + <0 84 4>; clocks = <&ahb_gates 28>; }; diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig index 00fe9e9710fd..27d69b558c5d 100644 --- a/arch/arm/configs/tegra_defconfig +++ b/arch/arm/configs/tegra_defconfig @@ -204,7 +204,10 @@ CONFIG_MMC_BLOCK_MINORS=16 CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_TEGRA=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_ONESHOT=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 8756e4bcdba0..4afb376d9c7c 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -30,14 +30,15 @@ */ #define UL(x) _AC(x, UL) +/* PAGE_OFFSET - the virtual address of the start of the kernel image */ +#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET) + #ifdef CONFIG_MMU /* - * PAGE_OFFSET - the virtual address of the start of the kernel image * TASK_SIZE - the maximum size of a user space task. * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area */ -#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET) #define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M)) #define TASK_UNMAPPED_BASE ALIGN(TASK_SIZE / 3, SZ_16M) @@ -104,10 +105,6 @@ #define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE) #endif -#ifndef PAGE_OFFSET -#define PAGE_OFFSET PLAT_PHYS_OFFSET -#endif - /* * The module can be at any place in ram in nommu mode. */ diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index 47cd974e57ea..c96ecacb2021 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -177,6 +177,18 @@ __lookup_processor_type_data: .long __proc_info_end .size __lookup_processor_type_data, . - __lookup_processor_type_data +__error_lpae: +#ifdef CONFIG_DEBUG_LL + adr r0, str_lpae + bl printascii + b __error +str_lpae: .asciz "\nError: Kernel with LPAE support, but CPU does not support LPAE.\n" +#else + b __error +#endif + .align +ENDPROC(__error_lpae) + __error_p: #ifdef CONFIG_DEBUG_LL adr r0, str_p1 diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 914616e0bdcd..f5f381d91556 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -102,7 +102,7 @@ ENTRY(stext) and r3, r3, #0xf @ extract VMSA support cmp r3, #5 @ long-descriptor translation table format? THUMB( it lo ) @ force fixup-able long branch encoding - blo __error_p @ only classic page table format + blo __error_lpae @ only classic page table format #endif #ifndef CONFIG_XIP_KERNEL diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 1d8248ea5669..bd18bb8b2770 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -878,7 +878,8 @@ static int hyp_init_cpu_pm_notifier(struct notifier_block *self, unsigned long cmd, void *v) { - if (cmd == CPU_PM_EXIT) { + if (cmd == CPU_PM_EXIT && + __hyp_get_vectors() == hyp_default_vectors) { cpu_init_hyp_mode(NULL); return NOTIFY_OK; } diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S index ddc15539bad2..0d68d4073068 100644 --- a/arch/arm/kvm/interrupts.S +++ b/arch/arm/kvm/interrupts.S @@ -220,6 +220,10 @@ after_vfp_restore: * in Hyp mode (see init_hyp_mode in arch/arm/kvm/arm.c). Return values are * passed in r0 and r1. * + * A function pointer with a value of 0xffffffff has a special meaning, + * and is used to implement __hyp_get_vectors in the same way as in + * arch/arm/kernel/hyp_stub.S. + * * The calling convention follows the standard AAPCS: * r0 - r3: caller save * r12: caller save @@ -363,6 +367,11 @@ hyp_hvc: host_switch_to_hyp: pop {r0, r1, r2} + /* Check for __hyp_get_vectors */ + cmp r0, #-1 + mrceq p15, 4, r0, c12, c0, 0 @ get HVBAR + beq 1f + push {lr} mrs lr, SPSR push {lr} @@ -378,7 +387,7 @@ THUMB( orr lr, #1) pop {lr} msr SPSR_csxf, lr pop {lr} - eret +1: eret guest_trap: load_vcpu @ Load VCPU pointer to r0 diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c index 3b05aea56d1f..11ed9152e665 100644 --- a/arch/arm/mach-omap2/cclock3xxx_data.c +++ b/arch/arm/mach-omap2/cclock3xxx_data.c @@ -433,7 +433,9 @@ static const struct clk_ops dpll4_m5x2_ck_ops = { .enable = &omap2_dflt_clk_enable, .disable = &omap2_dflt_clk_disable, .is_enabled = &omap2_dflt_clk_is_enabled, + .set_rate = &omap3_clkoutx2_set_rate, .recalc_rate = &omap3_clkoutx2_recalc, + .round_rate = &omap3_clkoutx2_round_rate, }; static const struct clk_ops dpll4_m5x2_ck_3630_ops = { diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 4c158c838d40..01fc710c8181 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -23,6 +23,8 @@ #include "prm.h" #include "clockdomain.h" +#define MAX_CPUS 2 + /* Machine specific information */ struct idle_statedata { u32 cpu_state; @@ -48,11 +50,11 @@ static struct idle_statedata omap4_idle_data[] = { }, }; -static struct powerdomain *mpu_pd, *cpu_pd[NR_CPUS]; -static struct clockdomain *cpu_clkdm[NR_CPUS]; +static struct powerdomain *mpu_pd, *cpu_pd[MAX_CPUS]; +static struct clockdomain *cpu_clkdm[MAX_CPUS]; static atomic_t abort_barrier; -static bool cpu_done[NR_CPUS]; +static bool cpu_done[MAX_CPUS]; static struct idle_statedata *state_ptr = &omap4_idle_data[0]; /* Private functions */ diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c index 3185ced807c9..3c418ea54bbe 100644 --- a/arch/arm/mach-omap2/dpll3xxx.c +++ b/arch/arm/mach-omap2/dpll3xxx.c @@ -623,6 +623,32 @@ void omap3_dpll_deny_idle(struct clk_hw_omap *clk) /* Clock control for DPLL outputs */ +/* Find the parent DPLL for the given clkoutx2 clock */ +static struct clk_hw_omap *omap3_find_clkoutx2_dpll(struct clk_hw *hw) +{ + struct clk_hw_omap *pclk = NULL; + struct clk *parent; + + /* Walk up the parents of clk, looking for a DPLL */ + do { + do { + parent = __clk_get_parent(hw->clk); + hw = __clk_get_hw(parent); + } while (hw && (__clk_get_flags(hw->clk) & CLK_IS_BASIC)); + if (!hw) + break; + pclk = to_clk_hw_omap(hw); + } while (pclk && !pclk->dpll_data); + + /* clk does not have a DPLL as a parent? error in the clock data */ + if (!pclk) { + WARN_ON(1); + return NULL; + } + + return pclk; +} + /** * omap3_clkoutx2_recalc - recalculate DPLL X2 output virtual clock rate * @clk: DPLL output struct clk @@ -637,27 +663,14 @@ unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw, unsigned long rate; u32 v; struct clk_hw_omap *pclk = NULL; - struct clk *parent; if (!parent_rate) return 0; - /* Walk up the parents of clk, looking for a DPLL */ - do { - do { - parent = __clk_get_parent(hw->clk); - hw = __clk_get_hw(parent); - } while (hw && (__clk_get_flags(hw->clk) & CLK_IS_BASIC)); - if (!hw) - break; - pclk = to_clk_hw_omap(hw); - } while (pclk && !pclk->dpll_data); + pclk = omap3_find_clkoutx2_dpll(hw); - /* clk does not have a DPLL as a parent? error in the clock data */ - if (!pclk) { - WARN_ON(1); + if (!pclk) return 0; - } dd = pclk->dpll_data; @@ -672,6 +685,55 @@ unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw, return rate; } +int omap3_clkoutx2_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + return 0; +} + +long omap3_clkoutx2_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + const struct dpll_data *dd; + u32 v; + struct clk_hw_omap *pclk = NULL; + + if (!*prate) + return 0; + + pclk = omap3_find_clkoutx2_dpll(hw); + + if (!pclk) + return 0; + + dd = pclk->dpll_data; + + /* TYPE J does not have a clkoutx2 */ + if (dd->flags & DPLL_J_TYPE) { + *prate = __clk_round_rate(__clk_get_parent(pclk->hw.clk), rate); + return *prate; + } + + WARN_ON(!dd->enable_mask); + + v = omap2_clk_readl(pclk, dd->control_reg) & dd->enable_mask; + v >>= __ffs(dd->enable_mask); + + /* If in bypass, the rate is fixed to the bypass rate*/ + if (v != OMAP3XXX_EN_DPLL_LOCKED) + return *prate; + + if (__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT) { + unsigned long best_parent; + + best_parent = (rate / 2); + *prate = __clk_round_rate(__clk_get_parent(hw->clk), + best_parent); + } + + return *prate * 2; +} + /* OMAP3/4 non-CORE DPLL clkops */ const struct clk_hw_omap_ops clkhwops_omap3_dpll = { .allow_idle = omap3_dpll_allow_idle, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 42d81885c700..1f33f5db10d5 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1947,29 +1947,31 @@ static int _ocp_softreset(struct omap_hwmod *oh) goto dis_opt_clks; _write_sysconfig(v, oh); - ret = _clear_softreset(oh, &v); - if (ret) - goto dis_opt_clks; - - _write_sysconfig(v, oh); if (oh->class->sysc->srst_udelay) udelay(oh->class->sysc->srst_udelay); c = _wait_softreset_complete(oh); - if (c == MAX_MODULE_SOFTRESET_WAIT) + if (c == MAX_MODULE_SOFTRESET_WAIT) { pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n", oh->name, MAX_MODULE_SOFTRESET_WAIT); - else + ret = -ETIMEDOUT; + goto dis_opt_clks; + } else { pr_debug("omap_hwmod: %s: softreset in %d usec\n", oh->name, c); + } + + ret = _clear_softreset(oh, &v); + if (ret) + goto dis_opt_clks; + + _write_sysconfig(v, oh); /* * XXX add _HWMOD_STATE_WEDGED for modules that don't come back from * _wait_target_ready() or _reset() */ - ret = (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 0; - dis_opt_clks: if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET) _disable_optional_clocks(oh); diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 18f333c440db..810c205d668b 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -1365,11 +1365,10 @@ static struct omap_hwmod_class_sysconfig dra7xx_spinlock_sysc = { .rev_offs = 0x0000, .sysc_offs = 0x0010, .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | - SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_ENAWAKEUP | + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), .sysc_fields = &omap_hwmod_sysc_type1, }; diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 3d5b24dcd9a4..c33e07e2f0d4 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -22,6 +22,8 @@ #include "common-board-devices.h" #include "dss-common.h" #include "control.h" +#include "omap-secure.h" +#include "soc.h" struct pdata_init { const char *compatible; @@ -169,6 +171,22 @@ static void __init am3517_evm_legacy_init(void) omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ } + +static void __init nokia_n900_legacy_init(void) +{ + hsmmc2_internal_input_clk(); + + if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { + if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { + pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); + /* set IBE to 1 */ + rx51_secure_update_aux_cr(BIT(6), 0); + } else { + pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n"); + pr_warning("Thumb binaries may crash randomly without this workaround\n"); + } + } +} #endif /* CONFIG_ARCH_OMAP3 */ #ifdef CONFIG_ARCH_OMAP4 @@ -239,6 +257,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { #endif #ifdef CONFIG_ARCH_OMAP3 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata), + OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata), OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata), /* Only on am3517 */ OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL), @@ -259,7 +278,7 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { static struct pdata_init pdata_quirks[] __initdata = { #ifdef CONFIG_ARCH_OMAP3 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, - { "nokia,omap3-n900", hsmmc2_internal_input_clk, }, + { "nokia,omap3-n900", nokia_n900_legacy_init, }, { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, { "isee,omap3-igep0020", omap3_igep0020_legacy_init, }, diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c index 6334b96b4097..280f3c58abe5 100644 --- a/arch/arm/mach-omap2/prminst44xx.c +++ b/arch/arm/mach-omap2/prminst44xx.c @@ -183,11 +183,11 @@ void omap4_prminst_global_warm_sw_reset(void) OMAP4_PRM_RSTCTRL_OFFSET); v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK; omap4_prminst_write_inst_reg(v, OMAP4430_PRM_PARTITION, - OMAP4430_PRM_DEVICE_INST, + dev_inst, OMAP4_PRM_RSTCTRL_OFFSET); /* OCP barrier */ v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, - OMAP4430_PRM_DEVICE_INST, + dev_inst, OMAP4_PRM_RSTCTRL_OFFSET); } diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index f33679d2d3ee..50e1d850ee2e 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -13,6 +13,8 @@ #ifndef __ASM_ARCH_COLLIE_H #define __ASM_ARCH_COLLIE_H +#include "hardware.h" /* Gives GPIO_MAX */ + extern void locomolcd_power(int on); #define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1) diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index 2b3a56414271..ef69152f9b52 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -264,6 +264,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) note_page(st, addr, 3, pmd_val(*pmd)); else walk_pte(st, pmd, addr); + + if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1])) + note_page(st, addr + SECTION_SIZE, 3, pmd_val(pmd[1])); } } diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h index 13fb0b3efc5f..453a179469a3 100644 --- a/arch/arm64/include/asm/percpu.h +++ b/arch/arm64/include/asm/percpu.h @@ -16,6 +16,8 @@ #ifndef __ASM_PERCPU_H #define __ASM_PERCPU_H +#ifdef CONFIG_SMP + static inline void set_my_cpu_offset(unsigned long off) { asm volatile("msr tpidr_el1, %0" :: "r" (off) : "memory"); @@ -36,6 +38,12 @@ static inline unsigned long __my_cpu_offset(void) } #define __my_cpu_offset __my_cpu_offset() +#else /* !CONFIG_SMP */ + +#define set_my_cpu_offset(x) do { } while (0) + +#endif /* CONFIG_SMP */ + #include <asm-generic/percpu.h> #endif /* __ASM_PERCPU_H */ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index b524dcd17243..aa3917c8b623 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -136,11 +136,11 @@ extern struct page *empty_zero_page; /* * The following only work if pte_present(). Undefined behaviour otherwise. */ -#define pte_present(pte) (pte_val(pte) & (PTE_VALID | PTE_PROT_NONE)) -#define pte_dirty(pte) (pte_val(pte) & PTE_DIRTY) -#define pte_young(pte) (pte_val(pte) & PTE_AF) -#define pte_special(pte) (pte_val(pte) & PTE_SPECIAL) -#define pte_write(pte) (pte_val(pte) & PTE_WRITE) +#define pte_present(pte) (!!(pte_val(pte) & (PTE_VALID | PTE_PROT_NONE))) +#define pte_dirty(pte) (!!(pte_val(pte) & PTE_DIRTY)) +#define pte_young(pte) (!!(pte_val(pte) & PTE_AF)) +#define pte_special(pte) (!!(pte_val(pte) & PTE_SPECIAL)) +#define pte_write(pte) (!!(pte_val(pte) & PTE_WRITE)) #define pte_exec(pte) (!(pte_val(pte) & PTE_UXN)) #define pte_valid_user(pte) \ diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index c3b6c63ea5fb..38f0558f0c0a 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -48,7 +48,11 @@ int unwind_frame(struct stackframe *frame) frame->sp = fp + 0x10; frame->fp = *(unsigned long *)(fp); - frame->pc = *(unsigned long *)(fp + 8); + /* + * -4 here because we care about the PC at time of bl, + * not where the return will go. + */ + frame->pc = *(unsigned long *)(fp + 8) - 4; return 0; } diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index 3b47c36e10ff..2c56012cb2d2 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -694,6 +694,24 @@ __hyp_panic_str: .align 2 +/* + * u64 kvm_call_hyp(void *hypfn, ...); + * + * This is not really a variadic function in the classic C-way and care must + * be taken when calling this to ensure parameters are passed in registers + * only, since the stack will change between the caller and the callee. + * + * Call the function with the first argument containing a pointer to the + * function you wish to call in Hyp mode, and subsequent arguments will be + * passed as x0, x1, and x2 (a maximum of 3 arguments in addition to the + * function pointer can be passed). The function being called must be mapped + * in Hyp mode (see init_hyp_mode in arch/arm/kvm/arm.c). Return values are + * passed in r0 and r1. + * + * A function pointer with a value of 0 has a special meaning, and is + * used to implement __hyp_get_vectors in the same way as in + * arch/arm64/kernel/hyp_stub.S. + */ ENTRY(kvm_call_hyp) hvc #0 ret @@ -737,7 +755,12 @@ el1_sync: // Guest trapped into EL2 pop x2, x3 pop x0, x1 - push lr, xzr + /* Check for __hyp_get_vectors */ + cbnz x0, 1f + mrs x0, vbar_el2 + b 2f + +1: push lr, xzr /* * Compute the function address in EL2, and shuffle the parameters. @@ -750,7 +773,7 @@ el1_sync: // Guest trapped into EL2 blr lr pop lr, xzr - eret +2: eret el1_trap: /* diff --git a/arch/c6x/include/asm/cache.h b/arch/c6x/include/asm/cache.h index 09c5a0f5f4d1..86648c083bb4 100644 --- a/arch/c6x/include/asm/cache.h +++ b/arch/c6x/include/asm/cache.h @@ -12,6 +12,7 @@ #define _ASM_C6X_CACHE_H #include <linux/irqflags.h> +#include <linux/init.h> /* * Cache line size diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h index 184066ceb1f6..053c17b36559 100644 --- a/arch/cris/include/asm/bitops.h +++ b/arch/cris/include/asm/bitops.h @@ -144,7 +144,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) * definition, which doesn't have the same semantics. We don't want to * use -fno-builtin, so just hide the name ffs. */ -#define ffs kernel_ffs +#define ffs(x) kernel_ffs(x) #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index a96bcf83a735..20e8a9b21d75 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -98,7 +98,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid) /* attempt to allocate a granule's worth of cached memory pages */ page = alloc_pages_exact_node(nid, - GFP_KERNEL | __GFP_ZERO | GFP_THISNODE, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, IA64_GRANULE_SHIFT-PAGE_SHIFT); if (!page) { mutex_unlock(&uc_pool->add_chunk_mutex); diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 7cc8c364924d..6fb9e813a910 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -1,4 +1,4 @@ - +generic-y += barrier.h generic-y += bitsperlong.h generic-y += clkdev.h generic-y += cputime.h @@ -6,6 +6,7 @@ generic-y += device.h generic-y += emergency-restart.h generic-y += errno.h generic-y += exec.h +generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ipcbuf.h @@ -18,6 +19,7 @@ generic-y += local.h generic-y += mman.h generic-y += mutex.h generic-y += percpu.h +generic-y += preempt.h generic-y += resource.h generic-y += scatterlist.h generic-y += sections.h @@ -31,5 +33,3 @@ generic-y += trace_clock.h generic-y += types.h generic-y += word-at-a-time.h generic-y += xor.h -generic-y += preempt.h -generic-y += hash.h diff --git a/arch/m68k/include/asm/barrier.h b/arch/m68k/include/asm/barrier.h deleted file mode 100644 index 15c5f77c1614..000000000000 --- a/arch/m68k/include/asm/barrier.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _M68K_BARRIER_H -#define _M68K_BARRIER_H - -#define nop() do { asm volatile ("nop"); barrier(); } while (0) - -#include <asm-generic/barrier.h> - -#endif /* _M68K_BARRIER_H */ diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 014f288fc813..9d38b73989eb 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 349 +#define NR_syscalls 351 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 625f321001dc..b932dd470041 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -354,5 +354,7 @@ #define __NR_process_vm_writev 346 #define __NR_kcmp 347 #define __NR_finit_module 348 +#define __NR_sched_setattr 349 +#define __NR_sched_getattr 350 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 3f04ea0ab802..b6223dc41d82 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -369,4 +369,6 @@ ENTRY(sys_call_table) .long sys_process_vm_writev .long sys_kcmp .long sys_finit_module + .long sys_sched_setattr + .long sys_sched_getattr /* 350 */ diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 84fdf6857c31..a613d2c82fd9 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -200,10 +200,11 @@ static inline void __user *arch_compat_alloc_user_space(long len) /* * We can't access below the stack pointer in the 32bit ABI and - * can access 288 bytes in the 64bit ABI + * can access 288 bytes in the 64bit big-endian ABI, + * or 512 bytes with the new ELFv2 little-endian ABI. */ if (!is_32bit_task()) - usp -= 288; + usp -= USER_REDZONE_SIZE; return (void __user *) (usp - len); } diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 40157e2ca691..ed82142a3251 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -816,8 +816,8 @@ int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe, int64_t opal_pci_poll(uint64_t phb_id); int64_t opal_return_cpu(void); -int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, __be64 *val); -int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val); +int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val); +int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val); int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type, uint32_t addr, uint32_t data, uint32_t sz); diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index becc08e6a65c..279b80f3bb29 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -28,11 +28,23 @@ #ifdef __powerpc64__ +/* + * Size of redzone that userspace is allowed to use below the stack + * pointer. This is 288 in the 64-bit big-endian ELF ABI, and 512 in + * the new ELFv2 little-endian ABI, so we allow the larger amount. + * + * For kernel code we allow a 288-byte redzone, in order to conserve + * kernel stack space; gcc currently only uses 288 bytes, and will + * hopefully allow explicit control of the redzone size in future. + */ +#define USER_REDZONE_SIZE 512 +#define KERNEL_REDZONE_SIZE 288 + #define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ #define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265) #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ - STACK_FRAME_OVERHEAD + 288) + STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_FRAME_MARKER 12 /* Size of dummy stack frame allocated when calling signal handler. */ @@ -41,6 +53,8 @@ #else /* __powerpc64__ */ +#define USER_REDZONE_SIZE 0 +#define KERNEL_REDZONE_SIZE 0 #define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ #define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773) diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 11c1d069d920..7a13f378ca2c 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -98,17 +98,19 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, size_t csize, unsigned long offset, int userbuf) { void *vaddr; + phys_addr_t paddr; if (!csize) return 0; csize = min_t(size_t, csize, PAGE_SIZE); + paddr = pfn << PAGE_SHIFT; - if ((min_low_pfn < pfn) && (pfn < max_pfn)) { - vaddr = __va(pfn << PAGE_SHIFT); + if (memblock_is_region_memory(paddr, csize)) { + vaddr = __va(paddr); csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf); } else { - vaddr = __ioremap(pfn << PAGE_SHIFT, PAGE_SIZE, 0); + vaddr = __ioremap(paddr, PAGE_SIZE, 0); csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf); iounmap(vaddr); } diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 9b27b293a922..b0ded97ee4e1 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -74,6 +74,7 @@ ftrace_modify_code(unsigned long ip, unsigned int old, unsigned int new) */ static int test_24bit_addr(unsigned long ip, unsigned long addr) { + addr = ppc_function_entry((void *)addr); /* use the create_branch to verify that this offset can be branched */ return create_branch((unsigned int *)ip, addr, 0); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 8d4c247f1738..af064d28b365 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1048,6 +1048,15 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) flush_altivec_to_thread(src); flush_vsx_to_thread(src); flush_spe_to_thread(src); + /* + * Flush TM state out so we can copy it. __switch_to_tm() does this + * flush but it removes the checkpointed state from the current CPU and + * transitions the CPU out of TM mode. Hence we need to call + * tm_recheckpoint_new_task() (on the same task) to restore the + * checkpointed state back and the TM mode. + */ + __switch_to_tm(src); + tm_recheckpoint_new_task(src); *dst = *src; diff --git a/arch/powerpc/kernel/reloc_64.S b/arch/powerpc/kernel/reloc_64.S index 1482327cfeba..d88736fbece6 100644 --- a/arch/powerpc/kernel/reloc_64.S +++ b/arch/powerpc/kernel/reloc_64.S @@ -81,6 +81,7 @@ _GLOBAL(relocate) 6: blr +.balign 8 p_dyn: .llong __dynamic_start - 0b p_rela: .llong __rela_dyn_start - 0b p_st: .llong _stext - 0b diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index e35bf773df7a..8d253c29649b 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -65,8 +65,8 @@ struct rt_sigframe { struct siginfo __user *pinfo; void __user *puc; struct siginfo info; - /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */ - char abigap[288]; + /* New 64 bit little-endian ABI allows redzone of 512 bytes below sp */ + char abigap[USER_REDZONE_SIZE]; } __attribute__ ((aligned (16))); static const char fmt32[] = KERN_INFO \ diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c index 5ec1e47a0d77..e865d748179b 100644 --- a/arch/powerpc/platforms/cell/ras.c +++ b/arch/powerpc/platforms/cell/ras.c @@ -123,7 +123,8 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order) area->nid = nid; area->order = order; - area->pages = alloc_pages_exact_node(area->nid, GFP_KERNEL|GFP_THISNODE, + area->pages = alloc_pages_exact_node(area->nid, + GFP_KERNEL|__GFP_THISNODE, area->order); if (!area->pages) { diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index f51474336460..253fefe3d1a0 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -114,6 +114,7 @@ DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_inbB_dbgfs_ops, ioda_eeh_inbB_dbgfs_get, ioda_eeh_inbB_dbgfs_set, "0x%llx\n"); #endif /* CONFIG_DEBUG_FS */ + /** * ioda_eeh_post_init - Chip dependent post initialization * @hose: PCI controller @@ -221,6 +222,22 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option) return ret; } +static void ioda_eeh_phb_diag(struct pci_controller *hose) +{ + struct pnv_phb *phb = hose->private_data; + long rc; + + rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob, + PNV_PCI_DIAG_BUF_SIZE); + if (rc != OPAL_SUCCESS) { + pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n", + __func__, hose->global_number, rc); + return; + } + + pnv_pci_dump_phb_diag_data(hose, phb->diag.blob); +} + /** * ioda_eeh_get_state - Retrieve the state of PE * @pe: EEH PE @@ -272,6 +289,9 @@ static int ioda_eeh_get_state(struct eeh_pe *pe) result |= EEH_STATE_DMA_ACTIVE; result |= EEH_STATE_MMIO_ENABLED; result |= EEH_STATE_DMA_ENABLED; + } else if (!(pe->state & EEH_PE_ISOLATED)) { + eeh_pe_state_mark(pe, EEH_PE_ISOLATED); + ioda_eeh_phb_diag(hose); } return result; @@ -315,6 +335,15 @@ static int ioda_eeh_get_state(struct eeh_pe *pe) __func__, fstate, hose->global_number, pe_no); } + /* Dump PHB diag-data for frozen PE */ + if (result != EEH_STATE_NOT_SUPPORT && + (result & (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE)) != + (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE) && + !(pe->state & EEH_PE_ISOLATED)) { + eeh_pe_state_mark(pe, EEH_PE_ISOLATED); + ioda_eeh_phb_diag(hose); + } + return result; } @@ -530,42 +559,6 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option) } /** - * ioda_eeh_get_log - Retrieve error log - * @pe: EEH PE - * @severity: Severity level of the log - * @drv_log: buffer to store the log - * @len: space of the log buffer - * - * The function is used to retrieve error log from P7IOC. - */ -static int ioda_eeh_get_log(struct eeh_pe *pe, int severity, - char *drv_log, unsigned long len) -{ - s64 ret; - unsigned long flags; - struct pci_controller *hose = pe->phb; - struct pnv_phb *phb = hose->private_data; - - spin_lock_irqsave(&phb->lock, flags); - - ret = opal_pci_get_phb_diag_data2(phb->opal_id, - phb->diag.blob, PNV_PCI_DIAG_BUF_SIZE); - if (ret) { - spin_unlock_irqrestore(&phb->lock, flags); - pr_warning("%s: Can't get log for PHB#%x-PE#%x (%lld)\n", - __func__, hose->global_number, pe->addr, ret); - return -EIO; - } - - /* The PHB diag-data is always indicative */ - pnv_pci_dump_phb_diag_data(hose, phb->diag.blob); - - spin_unlock_irqrestore(&phb->lock, flags); - - return 0; -} - -/** * ioda_eeh_configure_bridge - Configure the PCI bridges for the indicated PE * @pe: EEH PE * @@ -646,22 +639,6 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose) } } -static void ioda_eeh_phb_diag(struct pci_controller *hose) -{ - struct pnv_phb *phb = hose->private_data; - long rc; - - rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob, - PNV_PCI_DIAG_BUF_SIZE); - if (rc != OPAL_SUCCESS) { - pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n", - __func__, hose->global_number, rc); - return; - } - - pnv_pci_dump_phb_diag_data(hose, phb->diag.blob); -} - static int ioda_eeh_get_phb_pe(struct pci_controller *hose, struct eeh_pe **pe) { @@ -835,6 +812,20 @@ static int ioda_eeh_next_error(struct eeh_pe **pe) } /* + * EEH core will try recover from fenced PHB or + * frozen PE. In the time for frozen PE, EEH core + * enable IO path for that before collecting logs, + * but it ruins the site. So we have to dump the + * log in advance here. + */ + if ((ret == EEH_NEXT_ERR_FROZEN_PE || + ret == EEH_NEXT_ERR_FENCED_PHB) && + !((*pe)->state & EEH_PE_ISOLATED)) { + eeh_pe_state_mark(*pe, EEH_PE_ISOLATED); + ioda_eeh_phb_diag(hose); + } + + /* * If we have no errors on the specific PHB or only * informative error there, we continue poking it. * Otherwise, we need actions to be taken by upper @@ -852,7 +843,6 @@ struct pnv_eeh_ops ioda_eeh_ops = { .set_option = ioda_eeh_set_option, .get_state = ioda_eeh_get_state, .reset = ioda_eeh_reset, - .get_log = ioda_eeh_get_log, .configure_bridge = ioda_eeh_configure_bridge, .next_error = ioda_eeh_next_error }; diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c index 4fbf276ac99e..4cd2ea6c0dbe 100644 --- a/arch/powerpc/platforms/powernv/opal-xscom.c +++ b/arch/powerpc/platforms/powernv/opal-xscom.c @@ -71,11 +71,11 @@ static int opal_xscom_err_xlate(int64_t rc) } } -static u64 opal_scom_unmangle(u64 reg) +static u64 opal_scom_unmangle(u64 addr) { /* * XSCOM indirect addresses have the top bit set. Additionally - * the reset of the top 3 nibbles is always 0. + * the rest of the top 3 nibbles is always 0. * * Because the debugfs interface uses signed offsets and shifts * the address left by 3, we basically cannot use the top 4 bits @@ -86,10 +86,13 @@ static u64 opal_scom_unmangle(u64 reg) * conversion here. To leave room for further xscom address * expansion, we only clear out the top byte * + * For in-kernel use, we also support the real indirect bit, so + * we test for any of the top 5 bits + * */ - if (reg & (1ull << 59)) - reg = (reg & ~(0xffull << 56)) | (1ull << 63); - return reg; + if (addr & (0x1full << 59)) + addr = (addr & ~(0xffull << 56)) | (1ull << 63); + return addr; } static int opal_scom_read(scom_map_t map, u64 reg, u64 *value) @@ -98,8 +101,8 @@ static int opal_scom_read(scom_map_t map, u64 reg, u64 *value) int64_t rc; __be64 v; - reg = opal_scom_unmangle(reg); - rc = opal_xscom_read(m->chip, m->addr + reg, (__be64 *)__pa(&v)); + reg = opal_scom_unmangle(m->addr + reg); + rc = opal_xscom_read(m->chip, reg, (__be64 *)__pa(&v)); *value = be64_to_cpu(v); return opal_xscom_err_xlate(rc); } @@ -109,8 +112,8 @@ static int opal_scom_write(scom_map_t map, u64 reg, u64 value) struct opal_scom_map *m = map; int64_t rc; - reg = opal_scom_unmangle(reg); - rc = opal_xscom_write(m->chip, m->addr + reg, value); + reg = opal_scom_unmangle(m->addr + reg); + rc = opal_xscom_write(m->chip, reg, value); return opal_xscom_err_xlate(rc); } diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 95633d79ef5d..8518817dcdfd 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -134,57 +134,72 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pci_controller *hose, pr_info("P7IOC PHB#%d Diag-data (Version: %d)\n\n", hose->global_number, common->version); - pr_info(" brdgCtl: %08x\n", data->brdgCtl); - - pr_info(" portStatusReg: %08x\n", data->portStatusReg); - pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus); - pr_info(" busAgentStatus: %08x\n", data->busAgentStatus); - - pr_info(" deviceStatus: %08x\n", data->deviceStatus); - pr_info(" slotStatus: %08x\n", data->slotStatus); - pr_info(" linkStatus: %08x\n", data->linkStatus); - pr_info(" devCmdStatus: %08x\n", data->devCmdStatus); - pr_info(" devSecStatus: %08x\n", data->devSecStatus); - - pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus); - pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus); - pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus); - pr_info(" tlpHdr1: %08x\n", data->tlpHdr1); - pr_info(" tlpHdr2: %08x\n", data->tlpHdr2); - pr_info(" tlpHdr3: %08x\n", data->tlpHdr3); - pr_info(" tlpHdr4: %08x\n", data->tlpHdr4); - pr_info(" sourceId: %08x\n", data->sourceId); - pr_info(" errorClass: %016llx\n", data->errorClass); - pr_info(" correlator: %016llx\n", data->correlator); - pr_info(" p7iocPlssr: %016llx\n", data->p7iocPlssr); - pr_info(" p7iocCsr: %016llx\n", data->p7iocCsr); - pr_info(" lemFir: %016llx\n", data->lemFir); - pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask); - pr_info(" lemWOF: %016llx\n", data->lemWOF); - pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus); - pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus); - pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0); - pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1); - pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus); - pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus); - pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0); - pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1); - pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus); - pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus); - pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0); - pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1); - pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus); - pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus); - pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0); - pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1); + if (data->brdgCtl) + pr_info(" brdgCtl: %08x\n", + data->brdgCtl); + if (data->portStatusReg || data->rootCmplxStatus || + data->busAgentStatus) + pr_info(" UtlSts: %08x %08x %08x\n", + data->portStatusReg, data->rootCmplxStatus, + data->busAgentStatus); + if (data->deviceStatus || data->slotStatus || + data->linkStatus || data->devCmdStatus || + data->devSecStatus) + pr_info(" RootSts: %08x %08x %08x %08x %08x\n", + data->deviceStatus, data->slotStatus, + data->linkStatus, data->devCmdStatus, + data->devSecStatus); + if (data->rootErrorStatus || data->uncorrErrorStatus || + data->corrErrorStatus) + pr_info(" RootErrSts: %08x %08x %08x\n", + data->rootErrorStatus, data->uncorrErrorStatus, + data->corrErrorStatus); + if (data->tlpHdr1 || data->tlpHdr2 || + data->tlpHdr3 || data->tlpHdr4) + pr_info(" RootErrLog: %08x %08x %08x %08x\n", + data->tlpHdr1, data->tlpHdr2, + data->tlpHdr3, data->tlpHdr4); + if (data->sourceId || data->errorClass || + data->correlator) + pr_info(" RootErrLog1: %08x %016llx %016llx\n", + data->sourceId, data->errorClass, + data->correlator); + if (data->p7iocPlssr || data->p7iocCsr) + pr_info(" PhbSts: %016llx %016llx\n", + data->p7iocPlssr, data->p7iocCsr); + if (data->lemFir || data->lemErrorMask || + data->lemWOF) + pr_info(" Lem: %016llx %016llx %016llx\n", + data->lemFir, data->lemErrorMask, + data->lemWOF); + if (data->phbErrorStatus || data->phbFirstErrorStatus || + data->phbErrorLog0 || data->phbErrorLog1) + pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n", + data->phbErrorStatus, data->phbFirstErrorStatus, + data->phbErrorLog0, data->phbErrorLog1); + if (data->mmioErrorStatus || data->mmioFirstErrorStatus || + data->mmioErrorLog0 || data->mmioErrorLog1) + pr_info(" OutErr: %016llx %016llx %016llx %016llx\n", + data->mmioErrorStatus, data->mmioFirstErrorStatus, + data->mmioErrorLog0, data->mmioErrorLog1); + if (data->dma0ErrorStatus || data->dma0FirstErrorStatus || + data->dma0ErrorLog0 || data->dma0ErrorLog1) + pr_info(" InAErr: %016llx %016llx %016llx %016llx\n", + data->dma0ErrorStatus, data->dma0FirstErrorStatus, + data->dma0ErrorLog0, data->dma0ErrorLog1); + if (data->dma1ErrorStatus || data->dma1FirstErrorStatus || + data->dma1ErrorLog0 || data->dma1ErrorLog1) + pr_info(" InBErr: %016llx %016llx %016llx %016llx\n", + data->dma1ErrorStatus, data->dma1FirstErrorStatus, + data->dma1ErrorLog0, data->dma1ErrorLog1); for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) { if ((data->pestA[i] >> 63) == 0 && (data->pestB[i] >> 63) == 0) continue; - pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]); - pr_info(" PESTB: %016llx\n", data->pestB[i]); + pr_info(" PE[%3d] A/B: %016llx %016llx\n", + i, data->pestA[i], data->pestB[i]); } } @@ -197,62 +212,77 @@ static void pnv_pci_dump_phb3_diag_data(struct pci_controller *hose, data = (struct OpalIoPhb3ErrorData*)common; pr_info("PHB3 PHB#%d Diag-data (Version: %d)\n\n", hose->global_number, common->version); - - pr_info(" brdgCtl: %08x\n", data->brdgCtl); - - pr_info(" portStatusReg: %08x\n", data->portStatusReg); - pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus); - pr_info(" busAgentStatus: %08x\n", data->busAgentStatus); - - pr_info(" deviceStatus: %08x\n", data->deviceStatus); - pr_info(" slotStatus: %08x\n", data->slotStatus); - pr_info(" linkStatus: %08x\n", data->linkStatus); - pr_info(" devCmdStatus: %08x\n", data->devCmdStatus); - pr_info(" devSecStatus: %08x\n", data->devSecStatus); - - pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus); - pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus); - pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus); - pr_info(" tlpHdr1: %08x\n", data->tlpHdr1); - pr_info(" tlpHdr2: %08x\n", data->tlpHdr2); - pr_info(" tlpHdr3: %08x\n", data->tlpHdr3); - pr_info(" tlpHdr4: %08x\n", data->tlpHdr4); - pr_info(" sourceId: %08x\n", data->sourceId); - pr_info(" errorClass: %016llx\n", data->errorClass); - pr_info(" correlator: %016llx\n", data->correlator); - - pr_info(" nFir: %016llx\n", data->nFir); - pr_info(" nFirMask: %016llx\n", data->nFirMask); - pr_info(" nFirWOF: %016llx\n", data->nFirWOF); - pr_info(" PhbPlssr: %016llx\n", data->phbPlssr); - pr_info(" PhbCsr: %016llx\n", data->phbCsr); - pr_info(" lemFir: %016llx\n", data->lemFir); - pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask); - pr_info(" lemWOF: %016llx\n", data->lemWOF); - pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus); - pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus); - pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0); - pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1); - pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus); - pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus); - pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0); - pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1); - pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus); - pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus); - pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0); - pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1); - pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus); - pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus); - pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0); - pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1); + if (data->brdgCtl) + pr_info(" brdgCtl: %08x\n", + data->brdgCtl); + if (data->portStatusReg || data->rootCmplxStatus || + data->busAgentStatus) + pr_info(" UtlSts: %08x %08x %08x\n", + data->portStatusReg, data->rootCmplxStatus, + data->busAgentStatus); + if (data->deviceStatus || data->slotStatus || + data->linkStatus || data->devCmdStatus || + data->devSecStatus) + pr_info(" RootSts: %08x %08x %08x %08x %08x\n", + data->deviceStatus, data->slotStatus, + data->linkStatus, data->devCmdStatus, + data->devSecStatus); + if (data->rootErrorStatus || data->uncorrErrorStatus || + data->corrErrorStatus) + pr_info(" RootErrSts: %08x %08x %08x\n", + data->rootErrorStatus, data->uncorrErrorStatus, + data->corrErrorStatus); + if (data->tlpHdr1 || data->tlpHdr2 || + data->tlpHdr3 || data->tlpHdr4) + pr_info(" RootErrLog: %08x %08x %08x %08x\n", + data->tlpHdr1, data->tlpHdr2, + data->tlpHdr3, data->tlpHdr4); + if (data->sourceId || data->errorClass || + data->correlator) + pr_info(" RootErrLog1: %08x %016llx %016llx\n", + data->sourceId, data->errorClass, + data->correlator); + if (data->nFir || data->nFirMask || + data->nFirWOF) + pr_info(" nFir: %016llx %016llx %016llx\n", + data->nFir, data->nFirMask, + data->nFirWOF); + if (data->phbPlssr || data->phbCsr) + pr_info(" PhbSts: %016llx %016llx\n", + data->phbPlssr, data->phbCsr); + if (data->lemFir || data->lemErrorMask || + data->lemWOF) + pr_info(" Lem: %016llx %016llx %016llx\n", + data->lemFir, data->lemErrorMask, + data->lemWOF); + if (data->phbErrorStatus || data->phbFirstErrorStatus || + data->phbErrorLog0 || data->phbErrorLog1) + pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n", + data->phbErrorStatus, data->phbFirstErrorStatus, + data->phbErrorLog0, data->phbErrorLog1); + if (data->mmioErrorStatus || data->mmioFirstErrorStatus || + data->mmioErrorLog0 || data->mmioErrorLog1) + pr_info(" OutErr: %016llx %016llx %016llx %016llx\n", + data->mmioErrorStatus, data->mmioFirstErrorStatus, + data->mmioErrorLog0, data->mmioErrorLog1); + if (data->dma0ErrorStatus || data->dma0FirstErrorStatus || + data->dma0ErrorLog0 || data->dma0ErrorLog1) + pr_info(" InAErr: %016llx %016llx %016llx %016llx\n", + data->dma0ErrorStatus, data->dma0FirstErrorStatus, + data->dma0ErrorLog0, data->dma0ErrorLog1); + if (data->dma1ErrorStatus || data->dma1FirstErrorStatus || + data->dma1ErrorLog0 || data->dma1ErrorLog1) + pr_info(" InBErr: %016llx %016llx %016llx %016llx\n", + data->dma1ErrorStatus, data->dma1FirstErrorStatus, + data->dma1ErrorLog0, data->dma1ErrorLog1); for (i = 0; i < OPAL_PHB3_NUM_PEST_REGS; i++) { if ((data->pestA[i] >> 63) == 0 && (data->pestB[i] >> 63) == 0) continue; - pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]); - pr_info(" PESTB: %016llx\n", data->pestB[i]); + pr_info(" PE[%3d] A/B: %016llx %016llx\n", + i, data->pestA[i], data->pestB[i]); } } diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 82789e79e539..0ea99e3d4815 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -35,12 +35,7 @@ #include "offline_states.h" /* This version can't take the spinlock, because it never returns */ -static struct rtas_args rtas_stop_self_args = { - .token = RTAS_UNKNOWN_SERVICE, - .nargs = 0, - .nret = 1, - .rets = &rtas_stop_self_args.args[0], -}; +static int rtas_stop_self_token = RTAS_UNKNOWN_SERVICE; static DEFINE_PER_CPU(enum cpu_state_vals, preferred_offline_state) = CPU_STATE_OFFLINE; @@ -93,15 +88,20 @@ void set_default_offline_state(int cpu) static void rtas_stop_self(void) { - struct rtas_args *args = &rtas_stop_self_args; + struct rtas_args args = { + .token = cpu_to_be32(rtas_stop_self_token), + .nargs = 0, + .nret = 1, + .rets = &args.args[0], + }; local_irq_disable(); - BUG_ON(args->token == RTAS_UNKNOWN_SERVICE); + BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE); printk("cpu %u (hwid %u) Ready to die...\n", smp_processor_id(), hard_smp_processor_id()); - enter_rtas(__pa(args)); + enter_rtas(__pa(&args)); panic("Alas, I survived.\n"); } @@ -392,10 +392,10 @@ static int __init pseries_cpu_hotplug_init(void) } } - rtas_stop_self_args.token = rtas_token("stop-self"); + rtas_stop_self_token = rtas_token("stop-self"); qcss_tok = rtas_token("query-cpu-stopped-state"); - if (rtas_stop_self_args.token == RTAS_UNKNOWN_SERVICE || + if (rtas_stop_self_token == RTAS_UNKNOWN_SERVICE || qcss_tok == RTAS_UNKNOWN_SERVICE) { printk(KERN_INFO "CPU Hotplug not supported by firmware " "- disabling.\n"); diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 59c8efce1b99..0248949a756d 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1421,5 +1421,5 @@ ENTRY(sys_sched_setattr_wrapper) ENTRY(sys_sched_getattr_wrapper) lgfr %r2,%r2 # pid_t llgtr %r3,%r3 # const char __user * - llgfr %r3,%r3 # unsigned int + llgfr %r4,%r4 # unsigned int jg sys_sched_getattr diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 60c11a629d96..f91c03119804 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -206,11 +206,13 @@ static void dma_cleanup_tables(struct zpci_dev *zdev) zdev->dma_table = NULL; } -static unsigned long __dma_alloc_iommu(struct zpci_dev *zdev, unsigned long start, - int size) +static unsigned long __dma_alloc_iommu(struct zpci_dev *zdev, + unsigned long start, int size) { - unsigned long boundary_size = 0x1000000; + unsigned long boundary_size; + boundary_size = ALIGN(dma_get_seg_boundary(&zdev->pdev->dev) + 1, + PAGE_SIZE) >> PAGE_SHIFT; return iommu_area_alloc(zdev->iommu_bitmap, zdev->iommu_pages, start, size, 0, boundary_size, 0); } diff --git a/arch/sh/include/cpu-sh2/cpu/cache.h b/arch/sh/include/cpu-sh2/cpu/cache.h index 673515bc4135..aa1b2b9088a7 100644 --- a/arch/sh/include/cpu-sh2/cpu/cache.h +++ b/arch/sh/include/cpu-sh2/cpu/cache.h @@ -18,7 +18,7 @@ #define SH_CACHE_ASSOC 8 #if defined(CONFIG_CPU_SUBTYPE_SH7619) -#define CCR 0xffffffec +#define SH_CCR 0xffffffec #define CCR_CACHE_CE 0x01 /* Cache enable */ #define CCR_CACHE_WT 0x02 /* CCR[bit1=1,bit2=1] */ diff --git a/arch/sh/include/cpu-sh2a/cpu/cache.h b/arch/sh/include/cpu-sh2a/cpu/cache.h index defb0baa5a06..b27ce92cb600 100644 --- a/arch/sh/include/cpu-sh2a/cpu/cache.h +++ b/arch/sh/include/cpu-sh2a/cpu/cache.h @@ -17,8 +17,8 @@ #define SH_CACHE_COMBINED 4 #define SH_CACHE_ASSOC 8 -#define CCR 0xfffc1000 /* CCR1 */ -#define CCR2 0xfffc1004 +#define SH_CCR 0xfffc1000 /* CCR1 */ +#define SH_CCR2 0xfffc1004 /* * Most of the SH-2A CCR1 definitions resemble the SH-4 ones. All others not diff --git a/arch/sh/include/cpu-sh3/cpu/cache.h b/arch/sh/include/cpu-sh3/cpu/cache.h index bee2d81c56bf..29700fd88c75 100644 --- a/arch/sh/include/cpu-sh3/cpu/cache.h +++ b/arch/sh/include/cpu-sh3/cpu/cache.h @@ -17,7 +17,7 @@ #define SH_CACHE_COMBINED 4 #define SH_CACHE_ASSOC 8 -#define CCR 0xffffffec /* Address of Cache Control Register */ +#define SH_CCR 0xffffffec /* Address of Cache Control Register */ #define CCR_CACHE_CE 0x01 /* Cache Enable */ #define CCR_CACHE_WT 0x02 /* Write-Through (for P0,U0,P3) (else writeback) */ diff --git a/arch/sh/include/cpu-sh4/cpu/cache.h b/arch/sh/include/cpu-sh4/cpu/cache.h index 7bfb9e8b069c..92c4cd119b66 100644 --- a/arch/sh/include/cpu-sh4/cpu/cache.h +++ b/arch/sh/include/cpu-sh4/cpu/cache.h @@ -17,7 +17,7 @@ #define SH_CACHE_COMBINED 4 #define SH_CACHE_ASSOC 8 -#define CCR 0xff00001c /* Address of Cache Control Register */ +#define SH_CCR 0xff00001c /* Address of Cache Control Register */ #define CCR_CACHE_OCE 0x0001 /* Operand Cache Enable */ #define CCR_CACHE_WT 0x0002 /* Write-Through (for P0,U0,P3) (else writeback)*/ #define CCR_CACHE_CB 0x0004 /* Copy-Back (for P1) (else writethrough) */ diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index ecf83cd158dc..0d7360d549c1 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -112,7 +112,7 @@ static void cache_init(void) unsigned long ccr, flags; jump_to_uncached(); - ccr = __raw_readl(CCR); + ccr = __raw_readl(SH_CCR); /* * At this point we don't know whether the cache is enabled or not - a @@ -189,7 +189,7 @@ static void cache_init(void) l2_cache_init(); - __raw_writel(flags, CCR); + __raw_writel(flags, SH_CCR); back_to_cached(); } #else diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c index 115725198038..777e50f33c00 100644 --- a/arch/sh/mm/cache-debugfs.c +++ b/arch/sh/mm/cache-debugfs.c @@ -36,7 +36,7 @@ static int cache_seq_show(struct seq_file *file, void *iter) */ jump_to_uncached(); - ccr = __raw_readl(CCR); + ccr = __raw_readl(SH_CCR); if ((ccr & CCR_CACHE_ENABLE) == 0) { back_to_cached(); diff --git a/arch/sh/mm/cache-sh2.c b/arch/sh/mm/cache-sh2.c index defcf719f2e8..a74259f2f981 100644 --- a/arch/sh/mm/cache-sh2.c +++ b/arch/sh/mm/cache-sh2.c @@ -63,9 +63,9 @@ static void sh2__flush_invalidate_region(void *start, int size) local_irq_save(flags); jump_to_uncached(); - ccr = __raw_readl(CCR); + ccr = __raw_readl(SH_CCR); ccr |= CCR_CACHE_INVALIDATE; - __raw_writel(ccr, CCR); + __raw_writel(ccr, SH_CCR); back_to_cached(); local_irq_restore(flags); diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c index 949e2d3138a0..ee87d081259b 100644 --- a/arch/sh/mm/cache-sh2a.c +++ b/arch/sh/mm/cache-sh2a.c @@ -134,7 +134,8 @@ static void sh2a__flush_invalidate_region(void *start, int size) /* If there are too many pages then just blow the cache */ if (((end - begin) >> PAGE_SHIFT) >= MAX_OCACHE_PAGES) { - __raw_writel(__raw_readl(CCR) | CCR_OCACHE_INVALIDATE, CCR); + __raw_writel(__raw_readl(SH_CCR) | CCR_OCACHE_INVALIDATE, + SH_CCR); } else { for (v = begin; v < end; v += L1_CACHE_BYTES) sh2a_invalidate_line(CACHE_OC_ADDRESS_ARRAY, v); @@ -167,7 +168,8 @@ static void sh2a_flush_icache_range(void *args) /* I-Cache invalidate */ /* If there are too many pages then just blow the cache */ if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) { - __raw_writel(__raw_readl(CCR) | CCR_ICACHE_INVALIDATE, CCR); + __raw_writel(__raw_readl(SH_CCR) | CCR_ICACHE_INVALIDATE, + SH_CCR); } else { for (v = start; v < end; v += L1_CACHE_BYTES) sh2a_invalidate_line(CACHE_IC_ADDRESS_ARRAY, v); diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 0e529285b28d..51d8f7f31d1d 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -133,9 +133,9 @@ static void flush_icache_all(void) jump_to_uncached(); /* Flush I-cache */ - ccr = __raw_readl(CCR); + ccr = __raw_readl(SH_CCR); ccr |= CCR_CACHE_ICI; - __raw_writel(ccr, CCR); + __raw_writel(ccr, SH_CCR); /* * back_to_cached() will take care of the barrier for us, don't add diff --git a/arch/sh/mm/cache-shx3.c b/arch/sh/mm/cache-shx3.c index c0adbee97b5f..24c58b7dc022 100644 --- a/arch/sh/mm/cache-shx3.c +++ b/arch/sh/mm/cache-shx3.c @@ -19,7 +19,7 @@ void __init shx3_cache_init(void) { unsigned int ccr; - ccr = __raw_readl(CCR); + ccr = __raw_readl(SH_CCR); /* * If we've got cache aliases, resolve them in hardware. @@ -40,5 +40,5 @@ void __init shx3_cache_init(void) ccr |= CCR_CACHE_IBE; #endif - writel_uncached(ccr, CCR); + writel_uncached(ccr, SH_CCR); } diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 616966a96cba..097c2cdd117f 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -285,8 +285,8 @@ void __init cpu_cache_init(void) { unsigned int cache_disabled = 0; -#ifdef CCR - cache_disabled = !(__raw_readl(CCR) & CCR_CACHE_ENABLE); +#ifdef SH_CCR + cache_disabled = !(__raw_readl(SH_CCR) & CCR_CACHE_ENABLE); #endif compute_alias(&boot_cpu_data.icache); diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index c026cca5602c..f3aaf231b4e5 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -341,10 +341,6 @@ config X86_USE_3DNOW def_bool y depends on (MCYRIXIII || MK7 || MGEODE_LX) && !UML -config X86_OOSTORE - def_bool y - depends on (MWINCHIP3D || MWINCHIPC6) && MTRR - # # P6_NOPs are a relatively minor optimization that require a family >= # 6 processor, except that it is broken on certain VIA chips. diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c index 90a21f430117..4dbf967da50d 100644 --- a/arch/x86/boot/compressed/aslr.c +++ b/arch/x86/boot/compressed/aslr.c @@ -111,7 +111,7 @@ struct mem_vector { }; #define MEM_AVOID_MAX 5 -struct mem_vector mem_avoid[MEM_AVOID_MAX]; +static struct mem_vector mem_avoid[MEM_AVOID_MAX]; static bool mem_contains(struct mem_vector *region, struct mem_vector *item) { @@ -180,7 +180,7 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size, } /* Does this memory vector overlap a known avoided area? */ -bool mem_avoid_overlap(struct mem_vector *img) +static bool mem_avoid_overlap(struct mem_vector *img) { int i; @@ -192,8 +192,9 @@ bool mem_avoid_overlap(struct mem_vector *img) return false; } -unsigned long slots[CONFIG_RANDOMIZE_BASE_MAX_OFFSET / CONFIG_PHYSICAL_ALIGN]; -unsigned long slot_max = 0; +static unsigned long slots[CONFIG_RANDOMIZE_BASE_MAX_OFFSET / + CONFIG_PHYSICAL_ALIGN]; +static unsigned long slot_max; static void slots_append(unsigned long addr) { diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 04a48903b2eb..69bbb4845020 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -85,11 +85,7 @@ #else # define smp_rmb() barrier() #endif -#ifdef CONFIG_X86_OOSTORE -# define smp_wmb() wmb() -#else -# define smp_wmb() barrier() -#endif +#define smp_wmb() barrier() #define smp_read_barrier_depends() read_barrier_depends() #define set_mb(var, value) do { (void)xchg(&var, value); } while (0) #else /* !SMP */ @@ -100,7 +96,7 @@ #define set_mb(var, value) do { var = value; barrier(); } while (0) #endif /* SMP */ -#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE) +#if defined(CONFIG_X86_PPRO_FENCE) /* * For either of these options x86 doesn't have a strong TSO memory diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 3d6b9f81cc68..acd86c850414 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -134,6 +134,7 @@ extern void efi_setup_page_tables(void); extern void __init old_map_region(efi_memory_desc_t *md); extern void __init runtime_code_page_mkexec(void); extern void __init efi_runtime_mkexec(void); +extern void __init efi_apply_memmap_quirks(void); struct efi_setup_data { u64 fw_vendor; diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 34f69cb9350a..91d9c69a629e 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -237,7 +237,7 @@ memcpy_toio(volatile void __iomem *dst, const void *src, size_t count) static inline void flush_write_buffers(void) { -#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE) +#if defined(CONFIG_X86_PPRO_FENCE) asm volatile("lock; addl $0,0(%%esp)": : :"memory"); #endif } diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index bf156ded74b5..0f62f5482d91 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -26,10 +26,9 @@ # define LOCK_PTR_REG "D" #endif -#if defined(CONFIG_X86_32) && \ - (defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)) +#if defined(CONFIG_X86_32) && (defined(CONFIG_X86_PPRO_FENCE)) /* - * On PPro SMP or if we are using OOSTORE, we use a locked operation to unlock + * On PPro SMP, we use a locked operation to unlock * (PPro errata 66, 92) */ # define UNLOCK_LOCK_PREFIX LOCK_PREFIX diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c index 8779edab684e..d8fba5c15fbd 100644 --- a/arch/x86/kernel/cpu/centaur.c +++ b/arch/x86/kernel/cpu/centaur.c @@ -8,236 +8,6 @@ #include "cpu.h" -#ifdef CONFIG_X86_OOSTORE - -static u32 power2(u32 x) -{ - u32 s = 1; - - while (s <= x) - s <<= 1; - - return s >>= 1; -} - - -/* - * Set up an actual MCR - */ -static void centaur_mcr_insert(int reg, u32 base, u32 size, int key) -{ - u32 lo, hi; - - hi = base & ~0xFFF; - lo = ~(size-1); /* Size is a power of 2 so this makes a mask */ - lo &= ~0xFFF; /* Remove the ctrl value bits */ - lo |= key; /* Attribute we wish to set */ - wrmsr(reg+MSR_IDT_MCR0, lo, hi); - mtrr_centaur_report_mcr(reg, lo, hi); /* Tell the mtrr driver */ -} - -/* - * Figure what we can cover with MCR's - * - * Shortcut: We know you can't put 4Gig of RAM on a winchip - */ -static u32 ramtop(void) -{ - u32 clip = 0xFFFFFFFFUL; - u32 top = 0; - int i; - - for (i = 0; i < e820.nr_map; i++) { - unsigned long start, end; - - if (e820.map[i].addr > 0xFFFFFFFFUL) - continue; - /* - * Don't MCR over reserved space. Ignore the ISA hole - * we frob around that catastrophe already - */ - if (e820.map[i].type == E820_RESERVED) { - if (e820.map[i].addr >= 0x100000UL && - e820.map[i].addr < clip) - clip = e820.map[i].addr; - continue; - } - start = e820.map[i].addr; - end = e820.map[i].addr + e820.map[i].size; - if (start >= end) - continue; - if (end > top) - top = end; - } - /* - * Everything below 'top' should be RAM except for the ISA hole. - * Because of the limited MCR's we want to map NV/ACPI into our - * MCR range for gunk in RAM - * - * Clip might cause us to MCR insufficient RAM but that is an - * acceptable failure mode and should only bite obscure boxes with - * a VESA hole at 15Mb - * - * The second case Clip sometimes kicks in is when the EBDA is marked - * as reserved. Again we fail safe with reasonable results - */ - if (top > clip) - top = clip; - - return top; -} - -/* - * Compute a set of MCR's to give maximum coverage - */ -static int centaur_mcr_compute(int nr, int key) -{ - u32 mem = ramtop(); - u32 root = power2(mem); - u32 base = root; - u32 top = root; - u32 floor = 0; - int ct = 0; - - while (ct < nr) { - u32 fspace = 0; - u32 high; - u32 low; - - /* - * Find the largest block we will fill going upwards - */ - high = power2(mem-top); - - /* - * Find the largest block we will fill going downwards - */ - low = base/2; - - /* - * Don't fill below 1Mb going downwards as there - * is an ISA hole in the way. - */ - if (base <= 1024*1024) - low = 0; - - /* - * See how much space we could cover by filling below - * the ISA hole - */ - - if (floor == 0) - fspace = 512*1024; - else if (floor == 512*1024) - fspace = 128*1024; - - /* And forget ROM space */ - - /* - * Now install the largest coverage we get - */ - if (fspace > high && fspace > low) { - centaur_mcr_insert(ct, floor, fspace, key); - floor += fspace; - } else if (high > low) { - centaur_mcr_insert(ct, top, high, key); - top += high; - } else if (low > 0) { - base -= low; - centaur_mcr_insert(ct, base, low, key); - } else - break; - ct++; - } - /* - * We loaded ct values. We now need to set the mask. The caller - * must do this bit. - */ - return ct; -} - -static void centaur_create_optimal_mcr(void) -{ - int used; - int i; - - /* - * Allocate up to 6 mcrs to mark as much of ram as possible - * as write combining and weak write ordered. - * - * To experiment with: Linux never uses stack operations for - * mmio spaces so we could globally enable stack operation wc - * - * Load the registers with type 31 - full write combining, all - * writes weakly ordered. - */ - used = centaur_mcr_compute(6, 31); - - /* - * Wipe unused MCRs - */ - for (i = used; i < 8; i++) - wrmsr(MSR_IDT_MCR0+i, 0, 0); -} - -static void winchip2_create_optimal_mcr(void) -{ - u32 lo, hi; - int used; - int i; - - /* - * Allocate up to 6 mcrs to mark as much of ram as possible - * as write combining, weak store ordered. - * - * Load the registers with type 25 - * 8 - weak write ordering - * 16 - weak read ordering - * 1 - write combining - */ - used = centaur_mcr_compute(6, 25); - - /* - * Mark the registers we are using. - */ - rdmsr(MSR_IDT_MCR_CTRL, lo, hi); - for (i = 0; i < used; i++) - lo |= 1<<(9+i); - wrmsr(MSR_IDT_MCR_CTRL, lo, hi); - - /* - * Wipe unused MCRs - */ - - for (i = used; i < 8; i++) - wrmsr(MSR_IDT_MCR0+i, 0, 0); -} - -/* - * Handle the MCR key on the Winchip 2. - */ -static void winchip2_unprotect_mcr(void) -{ - u32 lo, hi; - u32 key; - - rdmsr(MSR_IDT_MCR_CTRL, lo, hi); - lo &= ~0x1C0; /* blank bits 8-6 */ - key = (lo>>17) & 7; - lo |= key<<6; /* replace with unlock key */ - wrmsr(MSR_IDT_MCR_CTRL, lo, hi); -} - -static void winchip2_protect_mcr(void) -{ - u32 lo, hi; - - rdmsr(MSR_IDT_MCR_CTRL, lo, hi); - lo &= ~0x1C0; /* blank bits 8-6 */ - wrmsr(MSR_IDT_MCR_CTRL, lo, hi); -} -#endif /* CONFIG_X86_OOSTORE */ - #define ACE_PRESENT (1 << 6) #define ACE_ENABLED (1 << 7) #define ACE_FCR (1 << 28) /* MSR_VIA_FCR */ @@ -362,20 +132,6 @@ static void init_centaur(struct cpuinfo_x86 *c) fcr_clr = DPDC; printk(KERN_NOTICE "Disabling bugged TSC.\n"); clear_cpu_cap(c, X86_FEATURE_TSC); -#ifdef CONFIG_X86_OOSTORE - centaur_create_optimal_mcr(); - /* - * Enable: - * write combining on non-stack, non-string - * write combining on string, all types - * weak write ordering - * - * The C6 original lacks weak read order - * - * Note 0x120 is write only on Winchip 1 - */ - wrmsr(MSR_IDT_MCR_CTRL, 0x01F0001F, 0); -#endif break; case 8: switch (c->x86_mask) { @@ -392,40 +148,12 @@ static void init_centaur(struct cpuinfo_x86 *c) fcr_set = ECX8|DSMC|DTLOCK|EMMX|EBRPRED|ERETSTK| E2MMX|EAMD3D; fcr_clr = DPDC; -#ifdef CONFIG_X86_OOSTORE - winchip2_unprotect_mcr(); - winchip2_create_optimal_mcr(); - rdmsr(MSR_IDT_MCR_CTRL, lo, hi); - /* - * Enable: - * write combining on non-stack, non-string - * write combining on string, all types - * weak write ordering - */ - lo |= 31; - wrmsr(MSR_IDT_MCR_CTRL, lo, hi); - winchip2_protect_mcr(); -#endif break; case 9: name = "3"; fcr_set = ECX8|DSMC|DTLOCK|EMMX|EBRPRED|ERETSTK| E2MMX|EAMD3D; fcr_clr = DPDC; -#ifdef CONFIG_X86_OOSTORE - winchip2_unprotect_mcr(); - winchip2_create_optimal_mcr(); - rdmsr(MSR_IDT_MCR_CTRL, lo, hi); - /* - * Enable: - * write combining on non-stack, non-string - * write combining on string, all types - * weak write ordering - */ - lo |= 31; - wrmsr(MSR_IDT_MCR_CTRL, lo, hi); - winchip2_protect_mcr(); -#endif break; default: name = "??"; diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 895604f2e916..79f9f848bee4 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1192,6 +1192,9 @@ static void x86_pmu_del(struct perf_event *event, int flags) for (i = 0; i < cpuc->n_events; i++) { if (event == cpuc->event_list[i]) { + if (i >= cpuc->n_events - cpuc->n_added) + --cpuc->n_added; + if (x86_pmu.put_event_constraints) x86_pmu.put_event_constraints(cpuc, event); diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index c88f7f4b03ee..047f540cf3f7 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -3334,6 +3334,8 @@ static int __init uncore_type_init(struct intel_uncore_type *type) if (!pmus) return -ENOMEM; + type->pmus = pmus; + type->unconstrainted = (struct event_constraint) __EVENT_CONSTRAINT(0, (1ULL << type->num_counters) - 1, 0, type->num_counters, 0, 0); @@ -3369,7 +3371,6 @@ static int __init uncore_type_init(struct intel_uncore_type *type) } type->pmu_group = &uncore_pmu_attr_group; - type->pmus = pmus; return 0; fail: uncore_type_exit(type); diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 81ba27679f18..f36bd42d6f0c 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -544,6 +544,10 @@ ENDPROC(early_idt_handlers) /* This is global to keep gas from relaxing the jumps */ ENTRY(early_idt_handler) cld + + cmpl $2,(%esp) # X86_TRAP_NMI + je is_nmi # Ignore NMI + cmpl $2,%ss:early_recursion_flag je hlt_loop incl %ss:early_recursion_flag @@ -594,8 +598,9 @@ ex_entry: pop %edx pop %ecx pop %eax - addl $8,%esp /* drop vector number and error code */ decl %ss:early_recursion_flag +is_nmi: + addl $8,%esp /* drop vector number and error code */ iret ENDPROC(early_idt_handler) diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index e1aabdb314c8..a468c0a65c42 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -343,6 +343,9 @@ early_idt_handlers: ENTRY(early_idt_handler) cld + cmpl $2,(%rsp) # X86_TRAP_NMI + je is_nmi # Ignore NMI + cmpl $2,early_recursion_flag(%rip) jz 1f incl early_recursion_flag(%rip) @@ -405,8 +408,9 @@ ENTRY(early_idt_handler) popq %rdx popq %rcx popq %rax - addq $16,%rsp # drop vector number and error code decl early_recursion_flag(%rip) +is_nmi: + addq $16,%rsp # drop vector number and error code INTERRUPT_RETURN ENDPROC(early_idt_handler) diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index e8368c6dd2a2..d5dd80814419 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -86,10 +86,19 @@ EXPORT_SYMBOL(__kernel_fpu_begin); void __kernel_fpu_end(void) { - if (use_eager_fpu()) - math_state_restore(); - else + if (use_eager_fpu()) { + /* + * For eager fpu, most the time, tsk_used_math() is true. + * Restore the user math as we are done with the kernel usage. + * At few instances during thread exit, signal handling etc, + * tsk_used_math() is false. Those few places will take proper + * actions, so we don't need to restore the math here. + */ + if (likely(tsk_used_math(current))) + math_state_restore(); + } else { stts(); + } } EXPORT_SYMBOL(__kernel_fpu_end); diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index 4eabc160696f..679cef0791cd 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -279,5 +279,7 @@ void arch_crash_save_vmcoreinfo(void) VMCOREINFO_SYMBOL(node_data); VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); #endif + vmcoreinfo_append_str("KERNELOFFSET=%lx\n", + (unsigned long)&_text - __START_KERNEL); } diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index 7c6acd4b8995..ff898bbf579d 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -529,7 +529,7 @@ static void quirk_amd_nb_node(struct pci_dev *dev) return; pci_read_config_dword(nb_ht, 0x60, &val); - node = val & 7; + node = pcibus_to_node(dev->bus) | (val & 7); /* * Some hardware may return an invalid node ID, * so check it first: diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 06853e670354..ce72964b2f46 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1239,14 +1239,8 @@ void __init setup_arch(char **cmdline_p) register_refined_jiffies(CLOCK_TICK_RATE); #ifdef CONFIG_EFI - /* Once setup is done above, unmap the EFI memory map on - * mismatched firmware/kernel archtectures since there is no - * support for runtime services. - */ - if (efi_enabled(EFI_BOOT) && !efi_is_native()) { - pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n"); - efi_unmap_memmap(); - } + if (efi_enabled(EFI_BOOT)) + efi_apply_memmap_quirks(); #endif } diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index e50425d0f5f7..9b531351a587 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2672,6 +2672,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, break; } + drop_large_spte(vcpu, iterator.sptep); if (!is_shadow_present_pte(*iterator.sptep)) { u64 base_addr = iterator.addr; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index e81df8fce027..2de1bc09a8d4 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3002,10 +3002,8 @@ static int cr8_write_interception(struct vcpu_svm *svm) u8 cr8_prev = kvm_get_cr8(&svm->vcpu); /* instruction emulation calls kvm_set_cr8() */ r = cr_interception(svm); - if (irqchip_in_kernel(svm->vcpu.kvm)) { - clr_cr_intercept(svm, INTERCEPT_CR8_WRITE); + if (irqchip_in_kernel(svm->vcpu.kvm)) return r; - } if (cr8_prev <= kvm_get_cr8(&svm->vcpu)) return r; kvm_run->exit_reason = KVM_EXIT_SET_TPR; @@ -3567,6 +3565,8 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr) if (is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK)) return; + clr_cr_intercept(svm, INTERCEPT_CR8_WRITE); + if (irr == -1) return; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a06f101ef64b..392752834751 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6688,7 +6688,7 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) else if (is_page_fault(intr_info)) return enable_ept; else if (is_no_device(intr_info) && - !(nested_read_cr0(vmcs12) & X86_CR0_TS)) + !(vmcs12->guest_cr0 & X86_CR0_TS)) return 0; return vmcs12->exception_bitmap & (1u << (intr_info & INTR_INFO_VECTOR_MASK)); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 39c28f09dfd5..2b8578432d5b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6186,7 +6186,7 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) frag->len -= len; } - if (vcpu->mmio_cur_fragment == vcpu->mmio_nr_fragments) { + if (vcpu->mmio_cur_fragment >= vcpu->mmio_nr_fragments) { vcpu->mmio_needed = 0; /* FIXME: return into emulator if single-stepping. */ diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 6dea040cc3a1..a10c8c792161 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1020,13 +1020,17 @@ static inline bool smap_violation(int error_code, struct pt_regs *regs) * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate * routines. + * + * This function must have noinline because both callers + * {,trace_}do_page_fault() have notrace on. Having this an actual function + * guarantees there's a function trace entry. */ -static void __kprobes -__do_page_fault(struct pt_regs *regs, unsigned long error_code) +static void __kprobes noinline +__do_page_fault(struct pt_regs *regs, unsigned long error_code, + unsigned long address) { struct vm_area_struct *vma; struct task_struct *tsk; - unsigned long address; struct mm_struct *mm; int fault; unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; @@ -1034,9 +1038,6 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code) tsk = current; mm = tsk->mm; - /* Get the faulting address: */ - address = read_cr2(); - /* * Detect and handle instructions that would cause a page fault for * both a tracked kernel page and a userspace page. @@ -1248,32 +1249,50 @@ good_area: up_read(&mm->mmap_sem); } -dotraplinkage void __kprobes +dotraplinkage void __kprobes notrace do_page_fault(struct pt_regs *regs, unsigned long error_code) { + unsigned long address = read_cr2(); /* Get the faulting address */ enum ctx_state prev_state; + /* + * We must have this function tagged with __kprobes, notrace and call + * read_cr2() before calling anything else. To avoid calling any kind + * of tracing machinery before we've observed the CR2 value. + * + * exception_{enter,exit}() contain all sorts of tracepoints. + */ + prev_state = exception_enter(); - __do_page_fault(regs, error_code); + __do_page_fault(regs, error_code, address); exception_exit(prev_state); } -static void trace_page_fault_entries(struct pt_regs *regs, +#ifdef CONFIG_TRACING +static void trace_page_fault_entries(unsigned long address, struct pt_regs *regs, unsigned long error_code) { if (user_mode(regs)) - trace_page_fault_user(read_cr2(), regs, error_code); + trace_page_fault_user(address, regs, error_code); else - trace_page_fault_kernel(read_cr2(), regs, error_code); + trace_page_fault_kernel(address, regs, error_code); } -dotraplinkage void __kprobes +dotraplinkage void __kprobes notrace trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) { + /* + * The exception_enter and tracepoint processing could + * trigger another page faults (user space callchain + * reading) and destroy the original cr2 value, so read + * the faulting address now. + */ + unsigned long address = read_cr2(); enum ctx_state prev_state; prev_state = exception_enter(); - trace_page_fault_entries(regs, error_code); - __do_page_fault(regs, error_code); + trace_page_fault_entries(address, regs, error_code); + __do_page_fault(regs, error_code, address); exception_exit(prev_state); } +#endif /* CONFIG_TRACING */ diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S index 877b9a1b2152..01495755701b 100644 --- a/arch/x86/net/bpf_jit.S +++ b/arch/x86/net/bpf_jit.S @@ -140,7 +140,7 @@ bpf_slow_path_byte_msh: push %r9; \ push SKBDATA; \ /* rsi already has offset */ \ - mov $SIZE,%ecx; /* size */ \ + mov $SIZE,%edx; /* size */ \ call bpf_internal_load_pointer_neg_helper; \ test %rax,%rax; \ pop SKBDATA; \ diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 1a201ac7cef8..b97acecf3fd9 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -52,6 +52,7 @@ #include <asm/tlbflush.h> #include <asm/x86_init.h> #include <asm/rtc.h> +#include <asm/uv/uv.h> #define EFI_DEBUG @@ -1210,3 +1211,22 @@ static int __init parse_efi_cmdline(char *str) return 0; } early_param("efi", parse_efi_cmdline); + +void __init efi_apply_memmap_quirks(void) +{ + /* + * Once setup is done earlier, unmap the EFI memory map on mismatched + * firmware/kernel architectures since there is no support for runtime + * services. + */ + if (!efi_is_native()) { + pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n"); + efi_unmap_memmap(); + } + + /* + * UV doesn't support the new EFI pagetable mapping yet. + */ + if (is_uv_system()) + set_bit(EFI_OLD_MEMMAP, &x86_efi_facility); +} diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 7d01b8c56c00..cc04e67bfd05 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -40,11 +40,7 @@ #define smp_rmb() barrier() #endif /* CONFIG_X86_PPRO_FENCE */ -#ifdef CONFIG_X86_OOSTORE -#define smp_wmb() wmb() -#else /* CONFIG_X86_OOSTORE */ #define smp_wmb() barrier() -#endif /* CONFIG_X86_OOSTORE */ #define smp_read_barrier_depends() read_barrier_depends() #define set_mb(var, value) do { (void)xchg(&var, value); } while (0) diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index ba56e11cbf77..c87ae7c6e5f9 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -20,6 +20,7 @@ config XTENSA select HAVE_FUNCTION_TRACER select HAVE_IRQ_TIME_ACCOUNTING select HAVE_PERF_EVENTS + select COMMON_CLK help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both @@ -80,7 +81,6 @@ choice config XTENSA_VARIANT_FSF bool "fsf - default (not generic) configuration" select MMU - select HAVE_XTENSA_GPIO32 config XTENSA_VARIANT_DC232B bool "dc232b - Diamond 232L Standard Core Rev.B (LE)" @@ -135,7 +135,6 @@ config HAVE_SMP config SMP bool "Enable Symmetric multi-processing support" depends on HAVE_SMP - select USE_GENERIC_SMP_HELPERS select GENERIC_SMP_IDLE_THREAD help Enabled SMP Software; allows more than one CPU/CORE diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi index 46b4f5eab421..e7370b11348e 100644 --- a/arch/xtensa/boot/dts/xtfpga.dtsi +++ b/arch/xtensa/boot/dts/xtfpga.dtsi @@ -35,6 +35,13 @@ interrupt-controller; }; + clocks { + osc: main-oscillator { + #clock-cells = <0>; + compatible = "fixed-clock"; + }; + }; + serial0: serial@fd050020 { device_type = "serial"; compatible = "ns16550a"; @@ -42,9 +49,7 @@ reg = <0xfd050020 0x20>; reg-shift = <2>; interrupts = <0 1>; /* external irq 0 */ - /* Filled in by platform_setup from FPGA register - * clock-frequency = <100000000>; - */ + clocks = <&osc>; }; enet0: ethoc@fd030000 { @@ -52,5 +57,6 @@ reg = <0xfd030000 0x4000 0xfd800000 0x4000>; interrupts = <1 1>; /* external irq 1 */ local-mac-address = [00 50 c2 13 6f 00]; + clocks = <&osc>; }; }; diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index 2a042d430c25..74944207167e 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -25,7 +25,7 @@ #ifdef CONFIG_MMU -#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && CONFIG_OF +#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_OF) extern unsigned long xtensa_kio_paddr; static inline unsigned long xtensa_get_kio_paddr(void) diff --git a/arch/xtensa/include/asm/traps.h b/arch/xtensa/include/asm/traps.h index 8c194f6af45e..677bfcf4ee5d 100644 --- a/arch/xtensa/include/asm/traps.h +++ b/arch/xtensa/include/asm/traps.h @@ -23,25 +23,37 @@ void secondary_trap_init(void); static inline void spill_registers(void) { - +#if XCHAL_NUM_AREGS > 16 __asm__ __volatile__ ( - "movi a14, "__stringify((1 << PS_EXCM_BIT) | LOCKLEVEL)"\n\t" - "mov a12, a0\n\t" - "rsr a13, sar\n\t" - "xsr a14, ps\n\t" - "movi a0, _spill_registers\n\t" - "rsync\n\t" - "callx0 a0\n\t" - "mov a0, a12\n\t" - "wsr a13, sar\n\t" - "wsr a14, ps\n\t" - : : -#if defined(CONFIG_FRAME_POINTER) - : "a2", "a3", "a4", "a11", "a12", "a13", "a14", "a15", + " call12 1f\n" + " _j 2f\n" + " retw\n" + " .align 4\n" + "1:\n" + " _entry a1, 48\n" + " addi a12, a0, 3\n" +#if XCHAL_NUM_AREGS > 32 + " .rept (" __stringify(XCHAL_NUM_AREGS) " - 32) / 12\n" + " _entry a1, 48\n" + " mov a12, a0\n" + " .endr\n" +#endif + " _entry a1, 48\n" +#if XCHAL_NUM_AREGS % 12 == 0 + " mov a8, a8\n" +#elif XCHAL_NUM_AREGS % 12 == 4 + " mov a12, a12\n" +#elif XCHAL_NUM_AREGS % 12 == 8 + " mov a4, a4\n" +#endif + " retw\n" + "2:\n" + : : : "a12", "a13", "memory"); #else - : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", + __asm__ __volatile__ ( + " mov a12, a12\n" + : : : "memory"); #endif - "memory"); } #endif /* _XTENSA_TRAPS_H */ diff --git a/arch/xtensa/include/asm/vectors.h b/arch/xtensa/include/asm/vectors.h index 5791b45d5a5d..f74ddfbb92ef 100644 --- a/arch/xtensa/include/asm/vectors.h +++ b/arch/xtensa/include/asm/vectors.h @@ -25,7 +25,7 @@ #define XCHAL_KIO_DEFAULT_PADDR 0xf0000000 #define XCHAL_KIO_SIZE 0x10000000 -#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && CONFIG_OF +#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_OF) #define XCHAL_KIO_PADDR xtensa_get_kio_paddr() #else #define XCHAL_KIO_PADDR XCHAL_KIO_DEFAULT_PADDR diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index 51940fec6990..b9395529f02d 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -734,7 +734,12 @@ __SYSCALL(332, sys_finit_module, 3) #define __NR_accept4 333 __SYSCALL(333, sys_accept4, 4) -#define __NR_syscall_count 334 +#define __NR_sched_setattr 334 +__SYSCALL(334, sys_sched_setattr, 2) +#define __NR_sched_getattr 335 +__SYSCALL(335, sys_sched_getattr, 3) + +#define __NR_syscall_count 336 /* * sysxtensa syscall handler diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 21dbe6bdb8ed..ef7f4990722b 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -1081,196 +1081,53 @@ ENTRY(fast_syscall_spill_registers) rsr a0, sar s32i a3, a2, PT_AREG3 - s32i a4, a2, PT_AREG4 - s32i a0, a2, PT_AREG5 # store SAR to PT_AREG5 + s32i a0, a2, PT_SAR - /* The spill routine might clobber a7, a11, and a15. */ + /* The spill routine might clobber a4, a7, a8, a11, a12, and a15. */ + s32i a4, a2, PT_AREG4 s32i a7, a2, PT_AREG7 + s32i a8, a2, PT_AREG8 s32i a11, a2, PT_AREG11 + s32i a12, a2, PT_AREG12 s32i a15, a2, PT_AREG15 - call0 _spill_registers # destroys a3, a4, and SAR - - /* Advance PC, restore registers and SAR, and return from exception. */ - - l32i a3, a2, PT_AREG5 - l32i a4, a2, PT_AREG4 - l32i a0, a2, PT_AREG0 - wsr a3, sar - l32i a3, a2, PT_AREG3 - - /* Restore clobbered registers. */ - - l32i a7, a2, PT_AREG7 - l32i a11, a2, PT_AREG11 - l32i a15, a2, PT_AREG15 - - movi a2, 0 - rfe - -ENDPROC(fast_syscall_spill_registers) - -/* Fixup handler. - * - * We get here if the spill routine causes an exception, e.g. tlb miss. - * We basically restore WINDOWBASE and WINDOWSTART to the condition when - * we entered the spill routine and jump to the user exception handler. - * - * a0: value of depc, original value in depc - * a2: trashed, original value in EXC_TABLE_DOUBLE_SAVE - * a3: exctable, original value in excsave1 - */ - -ENTRY(fast_syscall_spill_registers_fixup) - - rsr a2, windowbase # get current windowbase (a2 is saved) - xsr a0, depc # restore depc and a0 - ssl a2 # set shift (32 - WB) - - /* We need to make sure the current registers (a0-a3) are preserved. - * To do this, we simply set the bit for the current window frame - * in WS, so that the exception handlers save them to the task stack. - */ - - xsr a3, excsave1 # get spill-mask - slli a3, a3, 1 # shift left by one - - slli a2, a3, 32-WSBITS - src a2, a3, a2 # a2 = xxwww1yyxxxwww1yy...... - wsr a2, windowstart # set corrected windowstart - - srli a3, a3, 1 - rsr a2, excsave1 - l32i a2, a2, EXC_TABLE_DOUBLE_SAVE # restore a2 - xsr a2, excsave1 - s32i a3, a2, EXC_TABLE_DOUBLE_SAVE # save a3 - l32i a3, a2, EXC_TABLE_PARAM # original WB (in user task) - xsr a2, excsave1 - - /* Return to the original (user task) WINDOWBASE. - * We leave the following frame behind: - * a0, a1, a2 same - * a3: trashed (saved in EXC_TABLE_DOUBLE_SAVE) - * depc: depc (we have to return to that address) - * excsave_1: exctable - */ - - wsr a3, windowbase - rsync - - /* We are now in the original frame when we entered _spill_registers: - * a0: return address - * a1: used, stack pointer - * a2: kernel stack pointer - * a3: available - * depc: exception address - * excsave: exctable - * Note: This frame might be the same as above. - */ - - /* Setup stack pointer. */ - - addi a2, a2, -PT_USER_SIZE - s32i a0, a2, PT_AREG0 - - /* Make sure we return to this fixup handler. */ - - movi a3, fast_syscall_spill_registers_fixup_return - s32i a3, a2, PT_DEPC # setup depc - - /* Jump to the exception handler. */ - - rsr a3, excsave1 - rsr a0, exccause - addx4 a0, a0, a3 # find entry in table - l32i a0, a0, EXC_TABLE_FAST_USER # load handler - l32i a3, a3, EXC_TABLE_DOUBLE_SAVE - jx a0 - -ENDPROC(fast_syscall_spill_registers_fixup) - -ENTRY(fast_syscall_spill_registers_fixup_return) - - /* When we return here, all registers have been restored (a2: DEPC) */ - - wsr a2, depc # exception address - - /* Restore fixup handler. */ - - rsr a2, excsave1 - s32i a3, a2, EXC_TABLE_DOUBLE_SAVE - movi a3, fast_syscall_spill_registers_fixup - s32i a3, a2, EXC_TABLE_FIXUP - rsr a3, windowbase - s32i a3, a2, EXC_TABLE_PARAM - l32i a2, a2, EXC_TABLE_KSTK - - /* Load WB at the time the exception occurred. */ - - rsr a3, sar # WB is still in SAR - neg a3, a3 - wsr a3, windowbase - rsync - - rsr a3, excsave1 - l32i a3, a3, EXC_TABLE_DOUBLE_SAVE - - rfde - -ENDPROC(fast_syscall_spill_registers_fixup_return) - -/* - * spill all registers. - * - * This is not a real function. The following conditions must be met: - * - * - must be called with call0. - * - uses a3, a4 and SAR. - * - the last 'valid' register of each frame are clobbered. - * - the caller must have registered a fixup handler - * (or be inside a critical section) - * - PS_EXCM must be set (PS_WOE cleared?) - */ - -ENTRY(_spill_registers) - /* * Rotate ws so that the current windowbase is at bit 0. * Assume ws = xxxwww1yy (www1 current window frame). * Rotate ws right so that a4 = yyxxxwww1. */ - rsr a4, windowbase + rsr a0, windowbase rsr a3, windowstart # a3 = xxxwww1yy - ssr a4 # holds WB - slli a4, a3, WSBITS - or a3, a3, a4 # a3 = xxxwww1yyxxxwww1yy + ssr a0 # holds WB + slli a0, a3, WSBITS + or a3, a3, a0 # a3 = xxxwww1yyxxxwww1yy srl a3, a3 # a3 = 00xxxwww1yyxxxwww1 /* We are done if there are no more than the current register frame. */ extui a3, a3, 1, WSBITS-1 # a3 = 0yyxxxwww - movi a4, (1 << (WSBITS-1)) + movi a0, (1 << (WSBITS-1)) _beqz a3, .Lnospill # only one active frame? jump /* We want 1 at the top, so that we return to the current windowbase */ - or a3, a3, a4 # 1yyxxxwww + or a3, a3, a0 # 1yyxxxwww /* Skip empty frames - get 'oldest' WINDOWSTART-bit. */ wsr a3, windowstart # save shifted windowstart - neg a4, a3 - and a3, a4, a3 # first bit set from right: 000010000 + neg a0, a3 + and a3, a0, a3 # first bit set from right: 000010000 - ffs_ws a4, a3 # a4: shifts to skip empty frames + ffs_ws a0, a3 # a0: shifts to skip empty frames movi a3, WSBITS - sub a4, a3, a4 # WSBITS-a4:number of 0-bits from right - ssr a4 # save in SAR for later. + sub a0, a3, a0 # WSBITS-a0:number of 0-bits from right + ssr a0 # save in SAR for later. rsr a3, windowbase - add a3, a3, a4 + add a3, a3, a0 wsr a3, windowbase rsync @@ -1285,22 +1142,6 @@ ENTRY(_spill_registers) * we have to save 4,8. or 12 registers. */ - _bbsi.l a3, 1, .Lc4 - _bbsi.l a3, 2, .Lc8 - - /* Special case: we have a call12-frame starting at a4. */ - - _bbci.l a3, 3, .Lc12 # bit 3 shouldn't be zero! (Jump to Lc12 first) - - s32e a4, a1, -16 # a1 is valid with an empty spill area - l32e a4, a5, -12 - s32e a8, a4, -48 - mov a8, a4 - l32e a4, a1, -16 - j .Lc12c - -.Lnospill: - ret .Lloop: _bbsi.l a3, 1, .Lc4 _bbci.l a3, 2, .Lc12 @@ -1314,20 +1155,10 @@ ENTRY(_spill_registers) s32e a9, a4, -28 s32e a10, a4, -24 s32e a11, a4, -20 - srli a11, a3, 2 # shift windowbase by 2 rotw 2 _bnei a3, 1, .Lloop - -.Lexit: /* Done. Do the final rotation, set WS, and return. */ - - rotw 1 - rsr a3, windowbase - ssl a3 - movi a3, 1 - sll a3, a3 - wsr a3, windowstart - ret + j .Lexit .Lc4: s32e a4, a9, -16 s32e a5, a9, -12 @@ -1343,11 +1174,11 @@ ENTRY(_spill_registers) /* 12-register frame (call12) */ - l32e a2, a5, -12 - s32e a8, a2, -48 - mov a8, a2 + l32e a0, a5, -12 + s32e a8, a0, -48 + mov a8, a0 -.Lc12c: s32e a9, a8, -44 + s32e a9, a8, -44 s32e a10, a8, -40 s32e a11, a8, -36 s32e a12, a8, -32 @@ -1367,30 +1198,54 @@ ENTRY(_spill_registers) */ rotw 1 - mov a5, a13 + mov a4, a13 rotw -1 - s32e a4, a9, -16 - s32e a5, a9, -12 - s32e a6, a9, -8 - s32e a7, a9, -4 + s32e a4, a8, -16 + s32e a5, a8, -12 + s32e a6, a8, -8 + s32e a7, a8, -4 rotw 3 _beqi a3, 1, .Lexit j .Lloop -.Linvalid_mask: +.Lexit: - /* We get here because of an unrecoverable error in the window - * registers. If we are in user space, we kill the application, - * however, this condition is unrecoverable in kernel space. - */ + /* Done. Do the final rotation and set WS */ + + rotw 1 + rsr a3, windowbase + ssl a3 + movi a3, 1 + sll a3, a3 + wsr a3, windowstart +.Lnospill: + + /* Advance PC, restore registers and SAR, and return from exception. */ + + l32i a3, a2, PT_SAR + l32i a0, a2, PT_AREG0 + wsr a3, sar + l32i a3, a2, PT_AREG3 - rsr a0, ps - _bbci.l a0, PS_UM_BIT, 1f + /* Restore clobbered registers. */ - /* User space: Setup a dummy frame and kill application. + l32i a4, a2, PT_AREG4 + l32i a7, a2, PT_AREG7 + l32i a8, a2, PT_AREG8 + l32i a11, a2, PT_AREG11 + l32i a12, a2, PT_AREG12 + l32i a15, a2, PT_AREG15 + + movi a2, 0 + rfe + +.Linvalid_mask: + + /* We get here because of an unrecoverable error in the window + * registers, so set up a dummy frame and kill the user application. * Note: We assume EXC_TABLE_KSTK contains a valid stack pointer. */ @@ -1414,14 +1269,136 @@ ENTRY(_spill_registers) movi a4, do_exit callx4 a4 -1: /* Kernel space: PANIC! */ + /* shouldn't return, so panic */ wsr a0, excsave1 movi a0, unrecoverable_exception callx0 a0 # should not return 1: j 1b -ENDPROC(_spill_registers) + +ENDPROC(fast_syscall_spill_registers) + +/* Fixup handler. + * + * We get here if the spill routine causes an exception, e.g. tlb miss. + * We basically restore WINDOWBASE and WINDOWSTART to the condition when + * we entered the spill routine and jump to the user exception handler. + * + * Note that we only need to restore the bits in windowstart that have not + * been spilled yet by the _spill_register routine. Luckily, a3 contains a + * rotated windowstart with only those bits set for frames that haven't been + * spilled yet. Because a3 is rotated such that bit 0 represents the register + * frame for the current windowbase - 1, we need to rotate a3 left by the + * value of the current windowbase + 1 and move it to windowstart. + * + * a0: value of depc, original value in depc + * a2: trashed, original value in EXC_TABLE_DOUBLE_SAVE + * a3: exctable, original value in excsave1 + */ + +ENTRY(fast_syscall_spill_registers_fixup) + + rsr a2, windowbase # get current windowbase (a2 is saved) + xsr a0, depc # restore depc and a0 + ssl a2 # set shift (32 - WB) + + /* We need to make sure the current registers (a0-a3) are preserved. + * To do this, we simply set the bit for the current window frame + * in WS, so that the exception handlers save them to the task stack. + * + * Note: we use a3 to set the windowbase, so we take a special care + * of it, saving it in the original _spill_registers frame across + * the exception handler call. + */ + + xsr a3, excsave1 # get spill-mask + slli a3, a3, 1 # shift left by one + addi a3, a3, 1 # set the bit for the current window frame + + slli a2, a3, 32-WSBITS + src a2, a3, a2 # a2 = xxwww1yyxxxwww1yy...... + wsr a2, windowstart # set corrected windowstart + + srli a3, a3, 1 + rsr a2, excsave1 + l32i a2, a2, EXC_TABLE_DOUBLE_SAVE # restore a2 + xsr a2, excsave1 + s32i a3, a2, EXC_TABLE_DOUBLE_SAVE # save a3 + l32i a3, a2, EXC_TABLE_PARAM # original WB (in user task) + xsr a2, excsave1 + + /* Return to the original (user task) WINDOWBASE. + * We leave the following frame behind: + * a0, a1, a2 same + * a3: trashed (saved in EXC_TABLE_DOUBLE_SAVE) + * depc: depc (we have to return to that address) + * excsave_1: exctable + */ + + wsr a3, windowbase + rsync + + /* We are now in the original frame when we entered _spill_registers: + * a0: return address + * a1: used, stack pointer + * a2: kernel stack pointer + * a3: available + * depc: exception address + * excsave: exctable + * Note: This frame might be the same as above. + */ + + /* Setup stack pointer. */ + + addi a2, a2, -PT_USER_SIZE + s32i a0, a2, PT_AREG0 + + /* Make sure we return to this fixup handler. */ + + movi a3, fast_syscall_spill_registers_fixup_return + s32i a3, a2, PT_DEPC # setup depc + + /* Jump to the exception handler. */ + + rsr a3, excsave1 + rsr a0, exccause + addx4 a0, a0, a3 # find entry in table + l32i a0, a0, EXC_TABLE_FAST_USER # load handler + l32i a3, a3, EXC_TABLE_DOUBLE_SAVE + jx a0 + +ENDPROC(fast_syscall_spill_registers_fixup) + +ENTRY(fast_syscall_spill_registers_fixup_return) + + /* When we return here, all registers have been restored (a2: DEPC) */ + + wsr a2, depc # exception address + + /* Restore fixup handler. */ + + rsr a2, excsave1 + s32i a3, a2, EXC_TABLE_DOUBLE_SAVE + movi a3, fast_syscall_spill_registers_fixup + s32i a3, a2, EXC_TABLE_FIXUP + rsr a3, windowbase + s32i a3, a2, EXC_TABLE_PARAM + l32i a2, a2, EXC_TABLE_KSTK + + /* Load WB at the time the exception occurred. */ + + rsr a3, sar # WB is still in SAR + neg a3, a3 + wsr a3, windowbase + rsync + + rsr a3, excsave1 + l32i a3, a3, EXC_TABLE_DOUBLE_SAVE + + rfde + +ENDPROC(fast_syscall_spill_registers_fixup_return) #ifdef CONFIG_MMU /* @@ -1794,6 +1771,43 @@ ENTRY(system_call) ENDPROC(system_call) +/* + * Spill live registers on the kernel stack macro. + * + * Entry condition: ps.woe is set, ps.excm is cleared + * Exit condition: windowstart has single bit set + * May clobber: a12, a13 + */ + .macro spill_registers_kernel + +#if XCHAL_NUM_AREGS > 16 + call12 1f + _j 2f + retw + .align 4 +1: + _entry a1, 48 + addi a12, a0, 3 +#if XCHAL_NUM_AREGS > 32 + .rept (XCHAL_NUM_AREGS - 32) / 12 + _entry a1, 48 + mov a12, a0 + .endr +#endif + _entry a1, 48 +#if XCHAL_NUM_AREGS % 12 == 0 + mov a8, a8 +#elif XCHAL_NUM_AREGS % 12 == 4 + mov a12, a12 +#elif XCHAL_NUM_AREGS % 12 == 8 + mov a4, a4 +#endif + retw +2: +#else + mov a12, a12 +#endif + .endm /* * Task switch. @@ -1806,21 +1820,20 @@ ENTRY(_switch_to) entry a1, 16 - mov a12, a2 # preserve 'prev' (a2) - mov a13, a3 # and 'next' (a3) + mov a10, a2 # preserve 'prev' (a2) + mov a11, a3 # and 'next' (a3) l32i a4, a2, TASK_THREAD_INFO l32i a5, a3, TASK_THREAD_INFO - save_xtregs_user a4 a6 a8 a9 a10 a11 THREAD_XTREGS_USER + save_xtregs_user a4 a6 a8 a9 a12 a13 THREAD_XTREGS_USER - s32i a0, a12, THREAD_RA # save return address - s32i a1, a12, THREAD_SP # save stack pointer + s32i a0, a10, THREAD_RA # save return address + s32i a1, a10, THREAD_SP # save stack pointer /* Disable ints while we manipulate the stack pointer. */ - movi a14, (1 << PS_EXCM_BIT) | LOCKLEVEL - xsr a14, ps + rsil a14, LOCKLEVEL rsr a3, excsave1 rsync s32i a3, a3, EXC_TABLE_FIXUP /* enter critical section */ @@ -1835,7 +1848,7 @@ ENTRY(_switch_to) /* Flush register file. */ - call0 _spill_registers # destroys a3, a4, and SAR + spill_registers_kernel /* Set kernel stack (and leave critical section) * Note: It's save to set it here. The stack will not be overwritten @@ -1851,13 +1864,13 @@ ENTRY(_switch_to) /* restore context of the task 'next' */ - l32i a0, a13, THREAD_RA # restore return address - l32i a1, a13, THREAD_SP # restore stack pointer + l32i a0, a11, THREAD_RA # restore return address + l32i a1, a11, THREAD_SP # restore stack pointer - load_xtregs_user a5 a6 a8 a9 a10 a11 THREAD_XTREGS_USER + load_xtregs_user a5 a6 a8 a9 a12 a13 THREAD_XTREGS_USER wsr a14, ps - mov a2, a12 # return 'prev' + mov a2, a10 # return 'prev' rsync retw diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 7d12af1317f1..84fe931bb60e 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -22,6 +22,7 @@ #include <linux/bootmem.h> #include <linux/kernel.h> #include <linux/percpu.h> +#include <linux/clk-provider.h> #include <linux/cpu.h> #include <linux/of_fdt.h> #include <linux/of_platform.h> @@ -276,6 +277,7 @@ void __init early_init_devtree(void *params) static int __init xtensa_device_probe(void) { + of_clk_init(NULL); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); return 0; } diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 08b769d3b3a1..2a1823de69cc 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -30,6 +30,7 @@ #include <asm/platform.h> unsigned long ccount_freq; /* ccount Hz */ +EXPORT_SYMBOL(ccount_freq); static cycle_t ccount_read(struct clocksource *cs) { diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index cb8fd44caabc..f9e1ec346e35 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -235,7 +235,7 @@ ENTRY(_DoubleExceptionVector) /* Check for overflow/underflow exception, jump if overflow. */ - _bbci.l a0, 6, _DoubleExceptionVector_WindowOverflow + bbci.l a0, 6, _DoubleExceptionVector_WindowOverflow /* * Restart window underflow exception. diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 74a60c7e085e..80b33ed51f31 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -122,9 +122,7 @@ EXPORT_SYMBOL(insw); EXPORT_SYMBOL(insl); extern long common_exception_return; -extern long _spill_registers; EXPORT_SYMBOL(common_exception_return); -EXPORT_SYMBOL(_spill_registers); #ifdef CONFIG_FUNCTION_TRACER EXPORT_SYMBOL(_mcount); diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 479d7537a32a..aff108df92d3 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -90,7 +90,7 @@ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist) /* - * Initialize the bootmem system and give it all the memory we have available. + * Initialize the bootmem system and give it all low memory we have available. */ void __init bootmem_init(void) @@ -142,9 +142,14 @@ void __init bootmem_init(void) /* Add all remaining memory pieces into the bootmem map */ - for (i=0; i<sysmem.nr_banks; i++) - free_bootmem(sysmem.bank[i].start, - sysmem.bank[i].end - sysmem.bank[i].start); + for (i = 0; i < sysmem.nr_banks; i++) { + if (sysmem.bank[i].start >> PAGE_SHIFT < max_low_pfn) { + unsigned long end = min(max_low_pfn << PAGE_SHIFT, + sysmem.bank[i].end); + free_bootmem(sysmem.bank[i].start, + end - sysmem.bank[i].start); + } + } } diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index 36ec171698b8..861203e958da 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -39,7 +39,7 @@ void init_mmu(void) set_itlbcfg_register(0); set_dtlbcfg_register(0); #endif -#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && CONFIG_OF +#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_OF) /* * Update the IO area mapping in case xtensa_kio_paddr has changed */ diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 800227862fe8..57fd08b36f51 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -135,11 +135,11 @@ static void __init update_local_mac(struct device_node *node) static int __init machine_setup(void) { - struct device_node *serial; + struct device_node *clock; struct device_node *eth = NULL; - for_each_compatible_node(serial, NULL, "ns16550a") - update_clock_frequency(serial); + for_each_node_by_name(clock, "main-oscillator") + update_clock_frequency(clock); if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc"))) update_local_mac(eth); @@ -290,6 +290,7 @@ static int __init xtavnet_init(void) * knows whether they set it correctly on the DIP switches. */ pr_info("XTFPGA: Ethernet MAC %pM\n", ethoc_pdata.hwaddr); + ethoc_pdata.eth_clkfreq = *(long *)XTFPGA_CLKFRQ_VADDR; return 0; } diff --git a/arch/xtensa/variants/fsf/include/variant/tie.h b/arch/xtensa/variants/fsf/include/variant/tie.h index bf4020116df5..244cdea4dee5 100644 --- a/arch/xtensa/variants/fsf/include/variant/tie.h +++ b/arch/xtensa/variants/fsf/include/variant/tie.h @@ -18,13 +18,6 @@ #define XCHAL_CP_MASK 0x00 /* bitmask of all CPs by ID */ #define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */ -/* Basic parameters of each coprocessor: */ -#define XCHAL_CP7_NAME "XTIOP" -#define XCHAL_CP7_IDENT XTIOP -#define XCHAL_CP7_SA_SIZE 0 /* size of state save area */ -#define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */ -#define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */ - /* Filler info for unassigned coprocessors, to simplify arrays etc: */ #define XCHAL_NCP_SA_SIZE 0 #define XCHAL_NCP_SA_ALIGN 1 @@ -42,6 +35,8 @@ #define XCHAL_CP5_SA_ALIGN 1 #define XCHAL_CP6_SA_SIZE 0 #define XCHAL_CP6_SA_ALIGN 1 +#define XCHAL_CP7_SA_SIZE 0 +#define XCHAL_CP7_SA_ALIGN 1 /* Save area for non-coprocessor optional and custom (TIE) state: */ #define XCHAL_NCP_SA_SIZE 0 diff --git a/block/blk-exec.c b/block/blk-exec.c index c68613bb4c79..dbf4502b1d67 100644 --- a/block/blk-exec.c +++ b/block/blk-exec.c @@ -65,7 +65,7 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk, * be resued after dying flag is set */ if (q->mq_ops) { - blk_mq_insert_request(q, rq, at_head, true); + blk_mq_insert_request(rq, at_head, true, false); return; } diff --git a/block/blk-flush.c b/block/blk-flush.c index 66e2b697f5db..f598f794c3c6 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -137,7 +137,7 @@ static void mq_flush_run(struct work_struct *work) rq = container_of(work, struct request, mq_flush_work); memset(&rq->csd, 0, sizeof(rq->csd)); - blk_mq_run_request(rq, true, false); + blk_mq_insert_request(rq, false, true, false); } static bool blk_flush_queue_rq(struct request *rq) @@ -411,7 +411,7 @@ void blk_insert_flush(struct request *rq) if ((policy & REQ_FSEQ_DATA) && !(policy & (REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH))) { if (q->mq_ops) { - blk_mq_run_request(rq, false, true); + blk_mq_insert_request(rq, false, false, true); } else list_add_tail(&rq->queuelist, &q->queue_head); return; diff --git a/block/blk-mq-cpu.c b/block/blk-mq-cpu.c index 3146befb56aa..136ef8643bba 100644 --- a/block/blk-mq-cpu.c +++ b/block/blk-mq-cpu.c @@ -11,7 +11,7 @@ #include "blk-mq.h" static LIST_HEAD(blk_mq_cpu_notify_list); -static DEFINE_SPINLOCK(blk_mq_cpu_notify_lock); +static DEFINE_RAW_SPINLOCK(blk_mq_cpu_notify_lock); static int blk_mq_main_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) @@ -19,12 +19,12 @@ static int blk_mq_main_cpu_notify(struct notifier_block *self, unsigned int cpu = (unsigned long) hcpu; struct blk_mq_cpu_notifier *notify; - spin_lock(&blk_mq_cpu_notify_lock); + raw_spin_lock(&blk_mq_cpu_notify_lock); list_for_each_entry(notify, &blk_mq_cpu_notify_list, list) notify->notify(notify->data, action, cpu); - spin_unlock(&blk_mq_cpu_notify_lock); + raw_spin_unlock(&blk_mq_cpu_notify_lock); return NOTIFY_OK; } @@ -32,16 +32,16 @@ void blk_mq_register_cpu_notifier(struct blk_mq_cpu_notifier *notifier) { BUG_ON(!notifier->notify); - spin_lock(&blk_mq_cpu_notify_lock); + raw_spin_lock(&blk_mq_cpu_notify_lock); list_add_tail(¬ifier->list, &blk_mq_cpu_notify_list); - spin_unlock(&blk_mq_cpu_notify_lock); + raw_spin_unlock(&blk_mq_cpu_notify_lock); } void blk_mq_unregister_cpu_notifier(struct blk_mq_cpu_notifier *notifier) { - spin_lock(&blk_mq_cpu_notify_lock); + raw_spin_lock(&blk_mq_cpu_notify_lock); list_del(¬ifier->list); - spin_unlock(&blk_mq_cpu_notify_lock); + raw_spin_unlock(&blk_mq_cpu_notify_lock); } void blk_mq_init_cpu_notifier(struct blk_mq_cpu_notifier *notifier, diff --git a/block/blk-mq.c b/block/blk-mq.c index 1fa9dd153fde..883f72089015 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -73,8 +73,8 @@ static void blk_mq_hctx_mark_pending(struct blk_mq_hw_ctx *hctx, set_bit(ctx->index_hw, hctx->ctx_map); } -static struct request *blk_mq_alloc_rq(struct blk_mq_hw_ctx *hctx, gfp_t gfp, - bool reserved) +static struct request *__blk_mq_alloc_request(struct blk_mq_hw_ctx *hctx, + gfp_t gfp, bool reserved) { struct request *rq; unsigned int tag; @@ -193,12 +193,6 @@ static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, ctx->rq_dispatched[rw_is_sync(rw_flags)]++; } -static struct request *__blk_mq_alloc_request(struct blk_mq_hw_ctx *hctx, - gfp_t gfp, bool reserved) -{ - return blk_mq_alloc_rq(hctx, gfp, reserved); -} - static struct request *blk_mq_alloc_request_pinned(struct request_queue *q, int rw, gfp_t gfp, bool reserved) @@ -289,38 +283,10 @@ void blk_mq_free_request(struct request *rq) __blk_mq_free_request(hctx, ctx, rq); } -static void blk_mq_bio_endio(struct request *rq, struct bio *bio, int error) -{ - if (error) - clear_bit(BIO_UPTODATE, &bio->bi_flags); - else if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) - error = -EIO; - - if (unlikely(rq->cmd_flags & REQ_QUIET)) - set_bit(BIO_QUIET, &bio->bi_flags); - - /* don't actually finish bio if it's part of flush sequence */ - if (!(rq->cmd_flags & REQ_FLUSH_SEQ)) - bio_endio(bio, error); -} - -void blk_mq_end_io(struct request *rq, int error) +bool blk_mq_end_io_partial(struct request *rq, int error, unsigned int nr_bytes) { - struct bio *bio = rq->bio; - unsigned int bytes = 0; - - trace_block_rq_complete(rq->q, rq); - - while (bio) { - struct bio *next = bio->bi_next; - - bio->bi_next = NULL; - bytes += bio->bi_iter.bi_size; - blk_mq_bio_endio(rq, bio, error); - bio = next; - } - - blk_account_io_completion(rq, bytes); + if (blk_update_request(rq, error, blk_rq_bytes(rq))) + return true; blk_account_io_done(rq); @@ -328,8 +294,9 @@ void blk_mq_end_io(struct request *rq, int error) rq->end_io(rq, error); else blk_mq_free_request(rq); + return false; } -EXPORT_SYMBOL(blk_mq_end_io); +EXPORT_SYMBOL(blk_mq_end_io_partial); static void __blk_mq_complete_request_remote(void *data) { @@ -730,60 +697,27 @@ static void __blk_mq_insert_request(struct blk_mq_hw_ctx *hctx, blk_mq_add_timer(rq); } -void blk_mq_insert_request(struct request_queue *q, struct request *rq, - bool at_head, bool run_queue) +void blk_mq_insert_request(struct request *rq, bool at_head, bool run_queue, + bool async) { + struct request_queue *q = rq->q; struct blk_mq_hw_ctx *hctx; - struct blk_mq_ctx *ctx, *current_ctx; + struct blk_mq_ctx *ctx = rq->mq_ctx, *current_ctx; + + current_ctx = blk_mq_get_ctx(q); + if (!cpu_online(ctx->cpu)) + rq->mq_ctx = ctx = current_ctx; - ctx = rq->mq_ctx; hctx = q->mq_ops->map_queue(q, ctx->cpu); - if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA)) { + if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA) && + !(rq->cmd_flags & (REQ_FLUSH_SEQ))) { blk_insert_flush(rq); } else { - current_ctx = blk_mq_get_ctx(q); - - if (!cpu_online(ctx->cpu)) { - ctx = current_ctx; - hctx = q->mq_ops->map_queue(q, ctx->cpu); - rq->mq_ctx = ctx; - } spin_lock(&ctx->lock); __blk_mq_insert_request(hctx, rq, at_head); spin_unlock(&ctx->lock); - - blk_mq_put_ctx(current_ctx); - } - - if (run_queue) - __blk_mq_run_hw_queue(hctx); -} -EXPORT_SYMBOL(blk_mq_insert_request); - -/* - * This is a special version of blk_mq_insert_request to bypass FLUSH request - * check. Should only be used internally. - */ -void blk_mq_run_request(struct request *rq, bool run_queue, bool async) -{ - struct request_queue *q = rq->q; - struct blk_mq_hw_ctx *hctx; - struct blk_mq_ctx *ctx, *current_ctx; - - current_ctx = blk_mq_get_ctx(q); - - ctx = rq->mq_ctx; - if (!cpu_online(ctx->cpu)) { - ctx = current_ctx; - rq->mq_ctx = ctx; } - hctx = q->mq_ops->map_queue(q, ctx->cpu); - - /* ctx->cpu might be offline */ - spin_lock(&ctx->lock); - __blk_mq_insert_request(hctx, rq, false); - spin_unlock(&ctx->lock); blk_mq_put_ctx(current_ctx); @@ -926,6 +860,8 @@ static void blk_mq_make_request(struct request_queue *q, struct bio *bio) ctx = blk_mq_get_ctx(q); hctx = q->mq_ops->map_queue(q, ctx->cpu); + if (is_sync) + rw |= REQ_SYNC; trace_block_getrq(q, bio, rw); rq = __blk_mq_alloc_request(hctx, GFP_ATOMIC, false); if (likely(rq)) diff --git a/block/blk-mq.h b/block/blk-mq.h index ed0035cd458e..72beba1f9d55 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -23,7 +23,6 @@ struct blk_mq_ctx { }; void __blk_mq_complete_request(struct request *rq); -void blk_mq_run_request(struct request *rq, bool run_queue, bool async); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_init_flush(struct request_queue *q); void blk_mq_drain_queue(struct request_queue *q); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 959d41acc108..d7d32c28829b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -67,6 +67,8 @@ enum ec_command { #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */ +#define ACPI_EC_CLEAR_MAX 100 /* Maximum number of events to query + * when trying to clear the EC */ enum { EC_FLAGS_QUERY_PENDING, /* Query is pending */ @@ -116,6 +118,7 @@ EXPORT_SYMBOL(first_ec); static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */ static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */ static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */ +static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ /* -------------------------------------------------------------------------- Transaction Management @@ -440,6 +443,29 @@ acpi_handle ec_get_handle(void) EXPORT_SYMBOL(ec_get_handle); +static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 *data); + +/* + * Clears stale _Q events that might have accumulated in the EC. + * Run with locked ec mutex. + */ +static void acpi_ec_clear(struct acpi_ec *ec) +{ + int i, status; + u8 value = 0; + + for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) { + status = acpi_ec_query_unlocked(ec, &value); + if (status || !value) + break; + } + + if (unlikely(i == ACPI_EC_CLEAR_MAX)) + pr_warn("Warning: Maximum of %d stale EC events cleared\n", i); + else + pr_info("%d stale EC events cleared\n", i); +} + void acpi_ec_block_transactions(void) { struct acpi_ec *ec = first_ec; @@ -463,6 +489,10 @@ void acpi_ec_unblock_transactions(void) mutex_lock(&ec->mutex); /* Allow transactions to be carried out again */ clear_bit(EC_FLAGS_BLOCKED, &ec->flags); + + if (EC_FLAGS_CLEAR_ON_RESUME) + acpi_ec_clear(ec); + mutex_unlock(&ec->mutex); } @@ -821,6 +851,13 @@ static int acpi_ec_add(struct acpi_device *device) /* EC is fully operational, allow queries */ clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); + + /* Clear stale _Q events if hardware might require that */ + if (EC_FLAGS_CLEAR_ON_RESUME) { + mutex_lock(&ec->mutex); + acpi_ec_clear(ec); + mutex_unlock(&ec->mutex); + } return ret; } @@ -922,6 +959,30 @@ static int ec_enlarge_storm_threshold(const struct dmi_system_id *id) return 0; } +/* + * On some hardware it is necessary to clear events accumulated by the EC during + * sleep. These ECs stop reporting GPEs until they are manually polled, if too + * many events are accumulated. (e.g. Samsung Series 5/9 notebooks) + * + * https://bugzilla.kernel.org/show_bug.cgi?id=44161 + * + * Ideally, the EC should also be instructed NOT to accumulate events during + * sleep (which Windows seems to do somehow), but the interface to control this + * behaviour is not known at this time. + * + * Models known to be affected are Samsung 530Uxx/535Uxx/540Uxx/550Pxx/900Xxx, + * however it is very likely that other Samsung models are affected. + * + * On systems which don't accumulate _Q events during sleep, this extra check + * should be harmless. + */ +static int ec_clear_on_resume(const struct dmi_system_id *id) +{ + pr_debug("Detected system needing EC poll on resume.\n"); + EC_FLAGS_CLEAR_ON_RESUME = 1; + return 0; +} + static struct dmi_system_id ec_dmi_table[] __initdata = { { ec_skip_dsdt_scan, "Compal JFL92", { @@ -965,6 +1026,9 @@ static struct dmi_system_id ec_dmi_table[] __initdata = { ec_validate_ecdt, "ASUS hardware", { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL}, + { + ec_clear_on_resume, "Samsung hardware", { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL}, {}, }; diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 28baa05b8018..84243c32e29c 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -56,6 +56,12 @@ struct throttling_tstate { int target_state; /* target T-state */ }; +struct acpi_processor_throttling_arg { + struct acpi_processor *pr; + int target_state; + bool force; +}; + #define THROTTLING_PRECHANGE (1) #define THROTTLING_POSTCHANGE (2) @@ -1060,16 +1066,24 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, return 0; } +static long acpi_processor_throttling_fn(void *data) +{ + struct acpi_processor_throttling_arg *arg = data; + struct acpi_processor *pr = arg->pr; + + return pr->throttling.acpi_processor_set_throttling(pr, + arg->target_state, arg->force); +} + int acpi_processor_set_throttling(struct acpi_processor *pr, int state, bool force) { - cpumask_var_t saved_mask; int ret = 0; unsigned int i; struct acpi_processor *match_pr; struct acpi_processor_throttling *p_throttling; + struct acpi_processor_throttling_arg arg; struct throttling_tstate t_state; - cpumask_var_t online_throttling_cpus; if (!pr) return -EINVAL; @@ -1080,14 +1094,6 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, if ((state < 0) || (state > (pr->throttling.state_count - 1))) return -EINVAL; - if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL)) - return -ENOMEM; - - if (!alloc_cpumask_var(&online_throttling_cpus, GFP_KERNEL)) { - free_cpumask_var(saved_mask); - return -ENOMEM; - } - if (cpu_is_offline(pr->id)) { /* * the cpu pointed by pr->id is offline. Unnecessary to change @@ -1096,17 +1102,15 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, return -ENODEV; } - cpumask_copy(saved_mask, ¤t->cpus_allowed); t_state.target_state = state; p_throttling = &(pr->throttling); - cpumask_and(online_throttling_cpus, cpu_online_mask, - p_throttling->shared_cpu_map); + /* * The throttling notifier will be called for every * affected cpu in order to get one proper T-state. * The notifier event is THROTTLING_PRECHANGE. */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) { t_state.cpu = i; acpi_processor_throttling_notifier(THROTTLING_PRECHANGE, &t_state); @@ -1118,21 +1122,18 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, * it can be called only for the cpu pointed by pr. */ if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) { - /* FIXME: use work_on_cpu() */ - if (set_cpus_allowed_ptr(current, cpumask_of(pr->id))) { - /* Can't migrate to the pr->id CPU. Exit */ - ret = -ENODEV; - goto exit; - } - ret = p_throttling->acpi_processor_set_throttling(pr, - t_state.target_state, force); + arg.pr = pr; + arg.target_state = state; + arg.force = force; + ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, &arg); } else { /* * When the T-state coordination is SW_ALL or HW_ALL, * it is necessary to set T-state for every affected * cpus. */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, + p_throttling->shared_cpu_map) { match_pr = per_cpu(processors, i); /* * If the pointer is invalid, we will report the @@ -1153,13 +1154,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, "on CPU %d\n", i)); continue; } - t_state.cpu = i; - /* FIXME: use work_on_cpu() */ - if (set_cpus_allowed_ptr(current, cpumask_of(i))) - continue; - ret = match_pr->throttling. - acpi_processor_set_throttling( - match_pr, t_state.target_state, force); + + arg.pr = match_pr; + arg.target_state = state; + arg.force = force; + ret = work_on_cpu(pr->id, acpi_processor_throttling_fn, + &arg); } } /* @@ -1168,17 +1168,12 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, * affected cpu to update the T-states. * The notifier event is THROTTLING_POSTCHANGE */ - for_each_cpu(i, online_throttling_cpus) { + for_each_cpu_and(i, cpu_online_mask, p_throttling->shared_cpu_map) { t_state.cpu = i; acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE, &t_state); } - /* restore the previous state */ - /* FIXME: use work_on_cpu() */ - set_cpus_allowed_ptr(current, saved_mask); -exit: - free_cpumask_var(online_throttling_cpus); - free_cpumask_var(saved_mask); + return ret; } diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index b7201fc6f1e1..0bdacc5e26a3 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -77,18 +77,24 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res) switch (ares->type) { case ACPI_RESOURCE_TYPE_MEMORY24: memory24 = &ares->data.memory24; + if (!memory24->address_length) + return false; acpi_dev_get_memresource(res, memory24->minimum, memory24->address_length, memory24->write_protect); break; case ACPI_RESOURCE_TYPE_MEMORY32: memory32 = &ares->data.memory32; + if (!memory32->address_length) + return false; acpi_dev_get_memresource(res, memory32->minimum, memory32->address_length, memory32->write_protect); break; case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: fixed_memory32 = &ares->data.fixed_memory32; + if (!fixed_memory32->address_length) + return false; acpi_dev_get_memresource(res, fixed_memory32->address, fixed_memory32->address_length, fixed_memory32->write_protect); @@ -144,12 +150,16 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res) switch (ares->type) { case ACPI_RESOURCE_TYPE_IO: io = &ares->data.io; + if (!io->address_length) + return false; acpi_dev_get_ioresource(res, io->minimum, io->address_length, io->io_decode); break; case ACPI_RESOURCE_TYPE_FIXED_IO: fixed_io = &ares->data.fixed_io; + if (!fixed_io->address_length) + return false; acpi_dev_get_ioresource(res, fixed_io->address, fixed_io->address_length, ACPI_DECODE_10); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index b718806657cd..c40fb2e81bbc 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -71,6 +71,17 @@ static int acpi_sleep_prepare(u32 acpi_state) return 0; } +static bool acpi_sleep_state_supported(u8 sleep_state) +{ + acpi_status status; + u8 type_a, type_b; + + status = acpi_get_sleep_type_data(sleep_state, &type_a, &type_b); + return ACPI_SUCCESS(status) && (!acpi_gbl_reduced_hardware + || (acpi_gbl_FADT.sleep_control.address + && acpi_gbl_FADT.sleep_status.address)); +} + #ifdef CONFIG_ACPI_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; @@ -604,15 +615,9 @@ static void acpi_sleep_suspend_setup(void) { int i; - for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) { - acpi_status status; - u8 type_a, type_b; - - status = acpi_get_sleep_type_data(i, &type_a, &type_b); - if (ACPI_SUCCESS(status)) { + for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) + if (acpi_sleep_state_supported(i)) sleep_states[i] = 1; - } - } suspend_set_ops(old_suspend_ordering ? &acpi_suspend_ops_old : &acpi_suspend_ops); @@ -740,11 +745,7 @@ static const struct platform_hibernation_ops acpi_hibernation_ops_old = { static void acpi_sleep_hibernate_setup(void) { - acpi_status status; - u8 type_a, type_b; - - status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b); - if (ACPI_FAILURE(status)) + if (!acpi_sleep_state_supported(ACPI_STATE_S4)) return; hibernation_set_ops(old_suspend_ordering ? @@ -793,8 +794,6 @@ static void acpi_power_off(void) int __init acpi_sleep_init(void) { - acpi_status status; - u8 type_a, type_b; char supported[ACPI_S_STATE_COUNT * 3 + 1]; char *pos = supported; int i; @@ -806,8 +805,7 @@ int __init acpi_sleep_init(void) acpi_sleep_suspend_setup(); acpi_sleep_hibernate_setup(); - status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_sleep_state_supported(ACPI_STATE_S5)) { sleep_states[ACPI_STATE_S5] = 1; pm_power_off_prepare = acpi_power_off_prepare; pm_power_off = acpi_power_off; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 1a3dbd1b196e..8cb2522d592a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4175,6 +4175,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ @@ -4224,7 +4225,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* devices that don't properly handle queued TRIM commands */ { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, - { "Crucial_CT???M500SSD1", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, + { "Crucial_CT???M500SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, /* * Some WD SATA-I drives spin up and down erratically when the link diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 8a97ddfa6122..c30df50e4440 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -1580,6 +1580,7 @@ static int fw_pm_notify(struct notifier_block *notify_block, switch (mode) { case PM_HIBERNATION_PREPARE: case PM_SUSPEND_PREPARE: + case PM_RESTORE_PREPARE: kill_requests_without_uevent(); device_cache_fw_images(); break; diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 8184451b57c0..422b7d84f686 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -874,7 +874,7 @@ bio_pageinc(struct bio *bio) /* Non-zero page count for non-head members of * compound pages is no longer allowed by the kernel. */ - page = compound_trans_head(bv.bv_page); + page = compound_head(bv.bv_page); atomic_inc(&page->_count); } } @@ -887,7 +887,7 @@ bio_pagedec(struct bio *bio) struct bvec_iter iter; bio_for_each_segment(bv, bio, iter) { - page = compound_trans_head(bv.bv_page); + page = compound_head(bv.bv_page); atomic_dec(&page->_count); } } diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index b52e9a6d6aad..54174cb32feb 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -53,7 +53,7 @@ #define MTIP_FTL_REBUILD_TIMEOUT_MS 2400000 /* unaligned IO handling */ -#define MTIP_MAX_UNALIGNED_SLOTS 8 +#define MTIP_MAX_UNALIGNED_SLOTS 2 /* Macro to extract the tag bit number from a tag value. */ #define MTIP_TAG_BIT(tag) (tag & 0x1F) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 011e55d820b1..51c557cfd92b 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -612,6 +612,8 @@ static ssize_t disksize_store(struct device *dev, disksize = PAGE_ALIGN(disksize); meta = zram_meta_alloc(disksize); + if (!meta) + return -ENOMEM; down_write(&zram->init_lock); if (zram->init_done) { up_write(&zram->init_lock); diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index bd313f7816a8..c1af80bcdf20 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -242,7 +242,7 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc, irq = irq_of_parse_and_map(np, 0); if (!irq) - return; + goto out_free_characteristics; clk = at91_clk_register_master(pmc, irq, name, num_parents, parent_names, layout, diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 6a934a5296bd..05e04ce0f148 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -494,6 +494,9 @@ static const struct file_operations nomadik_src_clk_debugfs_ops = { static int __init nomadik_src_clk_init_debugfs(void) { + /* Vital for multiplatform */ + if (!src_base) + return -ENODEV; src_pcksr0_boot = readl(src_base + SRC_PCKSR0); src_pcksr1_boot = readl(src_base + SRC_PCKSR1); debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO, diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 5517944495d8..c42e608af6bb 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2226,24 +2226,25 @@ EXPORT_SYMBOL_GPL(devm_clk_unregister); */ int __clk_get(struct clk *clk) { - if (clk && !try_module_get(clk->owner)) - return 0; + if (clk) { + if (!try_module_get(clk->owner)) + return 0; - kref_get(&clk->ref); + kref_get(&clk->ref); + } return 1; } void __clk_put(struct clk *clk) { - if (WARN_ON_ONCE(IS_ERR(clk))) + if (!clk || WARN_ON_ONCE(IS_ERR(clk))) return; clk_prepare_lock(); kref_put(&clk->ref, __clk_release); clk_prepare_unlock(); - if (clk) - module_put(clk->owner); + module_put(clk->owner); } /*** clk rate change notifiers ***/ diff --git a/drivers/clk/keystone/gate.c b/drivers/clk/keystone/gate.c index 17a598398a53..86f1e362eafb 100644 --- a/drivers/clk/keystone/gate.c +++ b/drivers/clk/keystone/gate.c @@ -179,6 +179,7 @@ static struct clk *clk_register_psc(struct device *dev, init.name = name; init.ops = &clk_psc_ops; + init.flags = 0; init.parent_names = (parent_name ? &parent_name : NULL); init.num_parents = (parent_name ? 1 : 0); diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c index 81a202d12a7a..bef198a83863 100644 --- a/drivers/clk/mvebu/armada-370.c +++ b/drivers/clk/mvebu/armada-370.c @@ -141,13 +141,6 @@ static const struct coreclk_soc_desc a370_coreclks = { .num_ratios = ARRAY_SIZE(a370_coreclk_ratios), }; -static void __init a370_coreclk_init(struct device_node *np) -{ - mvebu_coreclk_setup(np, &a370_coreclks); -} -CLK_OF_DECLARE(a370_core_clk, "marvell,armada-370-core-clock", - a370_coreclk_init); - /* * Clock Gating Control */ @@ -168,9 +161,15 @@ static const struct clk_gating_soc_desc a370_gating_desc[] __initconst = { { } }; -static void __init a370_clk_gating_init(struct device_node *np) +static void __init a370_clk_init(struct device_node *np) { - mvebu_clk_gating_setup(np, a370_gating_desc); + struct device_node *cgnp = + of_find_compatible_node(NULL, NULL, "marvell,armada-370-gating-clock"); + + mvebu_coreclk_setup(np, &a370_coreclks); + + if (cgnp) + mvebu_clk_gating_setup(cgnp, a370_gating_desc); } -CLK_OF_DECLARE(a370_clk_gating, "marvell,armada-370-gating-clock", - a370_clk_gating_init); +CLK_OF_DECLARE(a370_clk, "marvell,armada-370-core-clock", a370_clk_init); + diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c index 9922c4475aa8..b3094315a3c0 100644 --- a/drivers/clk/mvebu/armada-xp.c +++ b/drivers/clk/mvebu/armada-xp.c @@ -158,13 +158,6 @@ static const struct coreclk_soc_desc axp_coreclks = { .num_ratios = ARRAY_SIZE(axp_coreclk_ratios), }; -static void __init axp_coreclk_init(struct device_node *np) -{ - mvebu_coreclk_setup(np, &axp_coreclks); -} -CLK_OF_DECLARE(axp_core_clk, "marvell,armada-xp-core-clock", - axp_coreclk_init); - /* * Clock Gating Control */ @@ -202,9 +195,14 @@ static const struct clk_gating_soc_desc axp_gating_desc[] __initconst = { { } }; -static void __init axp_clk_gating_init(struct device_node *np) +static void __init axp_clk_init(struct device_node *np) { - mvebu_clk_gating_setup(np, axp_gating_desc); + struct device_node *cgnp = + of_find_compatible_node(NULL, NULL, "marvell,armada-xp-gating-clock"); + + mvebu_coreclk_setup(np, &axp_coreclks); + + if (cgnp) + mvebu_clk_gating_setup(cgnp, axp_gating_desc); } -CLK_OF_DECLARE(axp_clk_gating, "marvell,armada-xp-gating-clock", - axp_clk_gating_init); +CLK_OF_DECLARE(axp_clk, "marvell,armada-xp-core-clock", axp_clk_init); diff --git a/drivers/clk/mvebu/dove.c b/drivers/clk/mvebu/dove.c index 38aee1e3f242..b8c2424ac926 100644 --- a/drivers/clk/mvebu/dove.c +++ b/drivers/clk/mvebu/dove.c @@ -154,12 +154,6 @@ static const struct coreclk_soc_desc dove_coreclks = { .num_ratios = ARRAY_SIZE(dove_coreclk_ratios), }; -static void __init dove_coreclk_init(struct device_node *np) -{ - mvebu_coreclk_setup(np, &dove_coreclks); -} -CLK_OF_DECLARE(dove_core_clk, "marvell,dove-core-clock", dove_coreclk_init); - /* * Clock Gating Control */ @@ -186,9 +180,14 @@ static const struct clk_gating_soc_desc dove_gating_desc[] __initconst = { { } }; -static void __init dove_clk_gating_init(struct device_node *np) +static void __init dove_clk_init(struct device_node *np) { - mvebu_clk_gating_setup(np, dove_gating_desc); + struct device_node *cgnp = + of_find_compatible_node(NULL, NULL, "marvell,dove-gating-clock"); + + mvebu_coreclk_setup(np, &dove_coreclks); + + if (cgnp) + mvebu_clk_gating_setup(cgnp, dove_gating_desc); } -CLK_OF_DECLARE(dove_clk_gating, "marvell,dove-gating-clock", - dove_clk_gating_init); +CLK_OF_DECLARE(dove_clk, "marvell,dove-core-clock", dove_clk_init); diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c index 2636a55f29f9..ddb666a86500 100644 --- a/drivers/clk/mvebu/kirkwood.c +++ b/drivers/clk/mvebu/kirkwood.c @@ -193,13 +193,6 @@ static const struct coreclk_soc_desc kirkwood_coreclks = { .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios), }; -static void __init kirkwood_coreclk_init(struct device_node *np) -{ - mvebu_coreclk_setup(np, &kirkwood_coreclks); -} -CLK_OF_DECLARE(kirkwood_core_clk, "marvell,kirkwood-core-clock", - kirkwood_coreclk_init); - static const struct coreclk_soc_desc mv88f6180_coreclks = { .get_tclk_freq = kirkwood_get_tclk_freq, .get_cpu_freq = mv88f6180_get_cpu_freq, @@ -208,13 +201,6 @@ static const struct coreclk_soc_desc mv88f6180_coreclks = { .num_ratios = ARRAY_SIZE(kirkwood_coreclk_ratios), }; -static void __init mv88f6180_coreclk_init(struct device_node *np) -{ - mvebu_coreclk_setup(np, &mv88f6180_coreclks); -} -CLK_OF_DECLARE(mv88f6180_core_clk, "marvell,mv88f6180-core-clock", - mv88f6180_coreclk_init); - /* * Clock Gating Control */ @@ -239,9 +225,21 @@ static const struct clk_gating_soc_desc kirkwood_gating_desc[] __initconst = { { } }; -static void __init kirkwood_clk_gating_init(struct device_node *np) +static void __init kirkwood_clk_init(struct device_node *np) { - mvebu_clk_gating_setup(np, kirkwood_gating_desc); + struct device_node *cgnp = + of_find_compatible_node(NULL, NULL, "marvell,kirkwood-gating-clock"); + + + if (of_device_is_compatible(np, "marvell,mv88f6180-core-clock")) + mvebu_coreclk_setup(np, &mv88f6180_coreclks); + else + mvebu_coreclk_setup(np, &kirkwood_coreclks); + + if (cgnp) + mvebu_clk_gating_setup(cgnp, kirkwood_gating_desc); } -CLK_OF_DECLARE(kirkwood_clk_gating, "marvell,kirkwood-gating-clock", - kirkwood_clk_gating_init); +CLK_OF_DECLARE(kirkwood_clk, "marvell,kirkwood-core-clock", + kirkwood_clk_init); +CLK_OF_DECLARE(mv88f6180_clk, "marvell,mv88f6180-core-clock", + kirkwood_clk_init); diff --git a/drivers/clk/shmobile/clk-rcar-gen2.c b/drivers/clk/shmobile/clk-rcar-gen2.c index a59ec217a124..99c27b1c625b 100644 --- a/drivers/clk/shmobile/clk-rcar-gen2.c +++ b/drivers/clk/shmobile/clk-rcar-gen2.c @@ -26,6 +26,8 @@ struct rcar_gen2_cpg { void __iomem *reg; }; +#define CPG_FRQCRB 0x00000004 +#define CPG_FRQCRB_KICK BIT(31) #define CPG_SDCKCR 0x00000074 #define CPG_PLL0CR 0x000000d8 #define CPG_FRQCRC 0x000000e0 @@ -45,6 +47,7 @@ struct rcar_gen2_cpg { struct cpg_z_clk { struct clk_hw hw; void __iomem *reg; + void __iomem *kick_reg; }; #define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) @@ -83,17 +86,45 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, { struct cpg_z_clk *zclk = to_z_clk(hw); unsigned int mult; - u32 val; + u32 val, kick; + unsigned int i; mult = div_u64((u64)rate * 32, parent_rate); mult = clamp(mult, 1U, 32U); + if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + val = clk_readl(zclk->reg); val &= ~CPG_FRQCRC_ZFC_MASK; val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; clk_writel(val, zclk->reg); - return 0; + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + kick = clk_readl(zclk->kick_reg); + kick |= CPG_FRQCRB_KICK; + clk_writel(kick, zclk->kick_reg); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependant of external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; } static const struct clk_ops cpg_z_clk_ops = { @@ -120,6 +151,7 @@ static struct clk * __init cpg_z_clk_register(struct rcar_gen2_cpg *cpg) init.num_parents = 1; zclk->reg = cpg->reg + CPG_FRQCRC; + zclk->kick_reg = cpg->reg + CPG_FRQCRB; zclk->hw.init = &init; clk = clk_register(NULL, &zclk->hw); @@ -186,7 +218,7 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg, const char *name) { const struct clk_div_table *table = NULL; - const char *parent_name = "main"; + const char *parent_name; unsigned int shift; unsigned int mult = 1; unsigned int div = 1; @@ -201,23 +233,31 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg, * the multiplier value. */ u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + parent_name = "main"; mult = ((value >> 24) & ((1 << 7) - 1)) + 1; } else if (!strcmp(name, "pll1")) { + parent_name = "main"; mult = config->pll1_mult / 2; } else if (!strcmp(name, "pll3")) { + parent_name = "main"; mult = config->pll3_mult; } else if (!strcmp(name, "lb")) { + parent_name = "pll1_div2"; div = cpg_mode & BIT(18) ? 36 : 24; } else if (!strcmp(name, "qspi")) { + parent_name = "pll1_div2"; div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2) - ? 16 : 20; + ? 8 : 10; } else if (!strcmp(name, "sdh")) { + parent_name = "pll1_div2"; table = cpg_sdh_div_table; shift = 8; } else if (!strcmp(name, "sd0")) { + parent_name = "pll1_div2"; table = cpg_sd01_div_table; shift = 4; } else if (!strcmp(name, "sd1")) { + parent_name = "pll1_div2"; table = cpg_sd01_div_table; shift = 0; } else if (!strcmp(name, "z")) { diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c index 4d75b1f37e3a..290f9c1a3749 100644 --- a/drivers/clk/tegra/clk-divider.c +++ b/drivers/clk/tegra/clk-divider.c @@ -59,7 +59,7 @@ static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate, return 0; if (divider_ux1 > get_max_div(divider)) - return -EINVAL; + return get_max_div(divider); return divider_ux1; } diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index cf0c323f2c36..c39613c519af 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -180,9 +180,13 @@ enum clk_id { tegra_clk_sbc6_8, tegra_clk_sclk, tegra_clk_sdmmc1, + tegra_clk_sdmmc1_8, tegra_clk_sdmmc2, + tegra_clk_sdmmc2_8, tegra_clk_sdmmc3, + tegra_clk_sdmmc3_8, tegra_clk_sdmmc4, + tegra_clk_sdmmc4_8, tegra_clk_se, tegra_clk_soc_therm, tegra_clk_sor0, diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 5c35885f4a7c..1fa5c3f33b20 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -371,9 +371,7 @@ static const char *mux_pllp3_pllc_clkm[] = { static const char *mux_pllm_pllc_pllp_plla_pllc2_c3_clkm[] = { "pll_m", "pll_c", "pll_p", "pll_a", "pll_c2", "pll_c3", "clk_m" }; -static u32 mux_pllm_pllc_pllp_plla_pllc2_c3_clkm_idx[] = { - [0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6, -}; +#define mux_pllm_pllc_pllp_plla_pllc2_c3_clkm_idx NULL static const char *mux_pllm_pllc2_c_c3_pllp_plla_pllc4[] = { "pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0", "pll_c4", @@ -465,6 +463,10 @@ static struct tegra_periph_init_data periph_clks[] = { MUX("adx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_ADX1, 180, TEGRA_PERIPH_ON_APB, tegra_clk_adx1), MUX("amx1", mux_plla_pllc_pllp_clkm, CLK_SOURCE_AMX1, 185, TEGRA_PERIPH_ON_APB, tegra_clk_amx1), MUX("vi_sensor2", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR2, 20, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor2), + MUX8("sdmmc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC1, 14, 0, tegra_clk_sdmmc1_8), + MUX8("sdmmc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC2, 9, 0, tegra_clk_sdmmc2_8), + MUX8("sdmmc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC3, 69, 0, tegra_clk_sdmmc3_8), + MUX8("sdmmc4", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SDMMC4, 15, 0, tegra_clk_sdmmc4_8), MUX8("sbc1", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC1, 41, TEGRA_PERIPH_ON_APB, tegra_clk_sbc1_8), MUX8("sbc2", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC2, 44, TEGRA_PERIPH_ON_APB, tegra_clk_sbc2_8), MUX8("sbc3", mux_pllp_pllc2_c_c3_pllm_clkm, CLK_SOURCE_SBC3, 46, TEGRA_PERIPH_ON_APB, tegra_clk_sbc3_8), @@ -492,7 +494,7 @@ static struct tegra_periph_init_data periph_clks[] = { UART("uartb", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTB, 7, tegra_clk_uartb), UART("uartc", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTC, 55, tegra_clk_uartc), UART("uartd", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTD, 65, tegra_clk_uartd), - UART("uarte", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTE, 65, tegra_clk_uarte), + UART("uarte", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_UARTE, 66, tegra_clk_uarte), XUSB("xusb_host_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_HOST_SRC, 143, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_host_src), XUSB("xusb_falcon_src", mux_clkm_pllp_pllc_pllre, CLK_SOURCE_XUSB_FALCON_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_falcon_src), XUSB("xusb_fs_src", mux_clkm_48M_pllp_480M, CLK_SOURCE_XUSB_FS_SRC, 143, TEGRA_PERIPH_NO_RESET, tegra_clk_xusb_fs_src), diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c index 05dce4aa2c11..feb3201c85ce 100644 --- a/drivers/clk/tegra/clk-tegra-super-gen4.c +++ b/drivers/clk/tegra/clk-tegra-super-gen4.c @@ -120,7 +120,7 @@ void __init tegra_super_clk_gen4_init(void __iomem *clk_base, ARRAY_SIZE(cclk_lp_parents), CLK_SET_RATE_PARENT, clk_base + CCLKLP_BURST_POLICY, - 0, 4, 8, 9, NULL); + TEGRA_DIVIDER_2, 4, 8, 9, NULL); *dt_clk = clk; } diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 90d9d25f2228..80431f0fb268 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -682,12 +682,12 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true }, [tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true }, [tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true }, - [tegra_clk_sdmmc2] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true }, + [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true }, [tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true }, [tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true }, [tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true }, - [tegra_clk_sdmmc1] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true }, - [tegra_clk_sdmmc4] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true }, + [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true }, + [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true }, [tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true }, [tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true }, [tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true }, @@ -723,7 +723,7 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true }, [tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true }, [tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true }, - [tegra_clk_sdmmc3] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true }, + [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true }, [tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true }, [tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true }, [tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true }, diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index aff86b5bc745..166e02f16c8a 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -516,11 +516,11 @@ static struct div_nmp pllp_nmp = { }; static struct tegra_clk_pll_freq_table pll_p_freq_table[] = { - {12000000, 216000000, 432, 12, 1, 8}, - {13000000, 216000000, 432, 13, 1, 8}, - {16800000, 216000000, 360, 14, 1, 8}, - {19200000, 216000000, 360, 16, 1, 8}, - {26000000, 216000000, 432, 26, 1, 8}, + {12000000, 408000000, 408, 12, 0, 8}, + {13000000, 408000000, 408, 13, 0, 8}, + {16800000, 408000000, 340, 14, 0, 8}, + {19200000, 408000000, 340, 16, 0, 8}, + {26000000, 408000000, 408, 26, 0, 8}, {0, 0, 0, 0, 0, 0}, }; @@ -570,6 +570,15 @@ static struct tegra_clk_pll_params pll_a_params = { .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK, }; +static struct div_nmp plld_nmp = { + .divm_shift = 0, + .divm_width = 5, + .divn_shift = 8, + .divn_width = 11, + .divp_shift = 20, + .divp_width = 3, +}; + static struct tegra_clk_pll_freq_table pll_d_freq_table[] = { {12000000, 216000000, 864, 12, 4, 12}, {13000000, 216000000, 864, 13, 4, 12}, @@ -603,19 +612,18 @@ static struct tegra_clk_pll_params pll_d_params = { .lock_mask = PLL_BASE_LOCK, .lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE, .lock_delay = 1000, - .div_nmp = &pllp_nmp, + .div_nmp = &plld_nmp, .freq_table = pll_d_freq_table, .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | TEGRA_PLL_USE_LOCK, }; static struct tegra_clk_pll_freq_table tegra124_pll_d2_freq_table[] = { - { 12000000, 148500000, 99, 1, 8}, - { 12000000, 594000000, 99, 1, 1}, - { 13000000, 594000000, 91, 1, 1}, /* actual: 591.5 MHz */ - { 16800000, 594000000, 71, 1, 1}, /* actual: 596.4 MHz */ - { 19200000, 594000000, 62, 1, 1}, /* actual: 595.2 MHz */ - { 26000000, 594000000, 91, 2, 1}, /* actual: 591.5 MHz */ + { 12000000, 594000000, 99, 1, 2}, + { 13000000, 594000000, 91, 1, 2}, /* actual: 591.5 MHz */ + { 16800000, 594000000, 71, 1, 2}, /* actual: 596.4 MHz */ + { 19200000, 594000000, 62, 1, 2}, /* actual: 595.2 MHz */ + { 26000000, 594000000, 91, 2, 2}, /* actual: 591.5 MHz */ { 0, 0, 0, 0, 0, 0 }, }; @@ -753,21 +761,19 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = { [tegra_clk_rtc] = { .dt_id = TEGRA124_CLK_RTC, .present = true }, [tegra_clk_timer] = { .dt_id = TEGRA124_CLK_TIMER, .present = true }, [tegra_clk_uarta] = { .dt_id = TEGRA124_CLK_UARTA, .present = true }, - [tegra_clk_sdmmc2] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true }, + [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true }, [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true }, [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true }, [tegra_clk_ndflash] = { .dt_id = TEGRA124_CLK_NDFLASH, .present = true }, - [tegra_clk_sdmmc1] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true }, - [tegra_clk_sdmmc4] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true }, + [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true }, + [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true }, [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true }, [tegra_clk_i2s2] = { .dt_id = TEGRA124_CLK_I2S2, .present = true }, - [tegra_clk_gr2d] = { .dt_id = TEGRA124_CLK_GR_2D, .present = true }, [tegra_clk_usbd] = { .dt_id = TEGRA124_CLK_USBD, .present = true }, [tegra_clk_isp_8] = { .dt_id = TEGRA124_CLK_ISP, .present = true }, - [tegra_clk_gr3d] = { .dt_id = TEGRA124_CLK_GR_3D, .present = true }, [tegra_clk_disp2] = { .dt_id = TEGRA124_CLK_DISP2, .present = true }, [tegra_clk_disp1] = { .dt_id = TEGRA124_CLK_DISP1, .present = true }, - [tegra_clk_host1x] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true }, + [tegra_clk_host1x_8] = { .dt_id = TEGRA124_CLK_HOST1X, .present = true }, [tegra_clk_vcp] = { .dt_id = TEGRA124_CLK_VCP, .present = true }, [tegra_clk_i2s0] = { .dt_id = TEGRA124_CLK_I2S0, .present = true }, [tegra_clk_apbdma] = { .dt_id = TEGRA124_CLK_APBDMA, .present = true }, @@ -794,7 +800,7 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = { [tegra_clk_uartd] = { .dt_id = TEGRA124_CLK_UARTD, .present = true }, [tegra_clk_i2c3] = { .dt_id = TEGRA124_CLK_I2C3, .present = true }, [tegra_clk_sbc4] = { .dt_id = TEGRA124_CLK_SBC4, .present = true }, - [tegra_clk_sdmmc3] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true }, + [tegra_clk_sdmmc3_8] = { .dt_id = TEGRA124_CLK_SDMMC3, .present = true }, [tegra_clk_pcie] = { .dt_id = TEGRA124_CLK_PCIE, .present = true }, [tegra_clk_owr] = { .dt_id = TEGRA124_CLK_OWR, .present = true }, [tegra_clk_afi] = { .dt_id = TEGRA124_CLK_AFI, .present = true }, @@ -1286,9 +1292,9 @@ static void __init tegra124_pll_init(void __iomem *clk_base, clk_register_clkdev(clk, "pll_d2", NULL); clks[TEGRA124_CLK_PLL_D2] = clk; - /* PLLD2_OUT0 ?? */ + /* PLLD2_OUT0 */ clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2", - CLK_SET_RATE_PARENT, 1, 2); + CLK_SET_RATE_PARENT, 1, 1); clk_register_clkdev(clk, "pll_d2_out0", NULL); clks[TEGRA124_CLK_PLL_D2_OUT0] = clk; diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index dbace152b2fa..dace2b1b5ae6 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -574,6 +574,8 @@ static struct tegra_clk tegra20_clks[tegra_clk_max] __initdata = { [tegra_clk_tvdac] = { .dt_id = TEGRA20_CLK_TVDAC, .present = true }, [tegra_clk_vi_sensor] = { .dt_id = TEGRA20_CLK_VI_SENSOR, .present = true }, [tegra_clk_afi] = { .dt_id = TEGRA20_CLK_AFI, .present = true }, + [tegra_clk_fuse] = { .dt_id = TEGRA20_CLK_FUSE, .present = true }, + [tegra_clk_kfuse] = { .dt_id = TEGRA20_CLK_KFUSE, .present = true }, }; static unsigned long tegra20_clk_measure_input_freq(void) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index cb003a6b72c8..199b52b7c3e1 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1109,12 +1109,27 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, goto err_set_policy_cpu; } + /* related cpus should atleast have policy->cpus */ + cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus); + + /* + * affected cpus must always be the one, which are online. We aren't + * managing offline cpus here. + */ + cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); + + if (!frozen) { + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; + } + + down_write(&policy->rwsem); write_lock_irqsave(&cpufreq_driver_lock, flags); for_each_cpu(j, policy->cpus) per_cpu(cpufreq_cpu_data, j) = policy; write_unlock_irqrestore(&cpufreq_driver_lock, flags); - if (cpufreq_driver->get) { + if (cpufreq_driver->get && !cpufreq_driver->setpolicy) { policy->cur = cpufreq_driver->get(policy->cpu); if (!policy->cur) { pr_err("%s: ->get() failed\n", __func__); @@ -1162,20 +1177,6 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, } } - /* related cpus should atleast have policy->cpus */ - cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus); - - /* - * affected cpus must always be the one, which are online. We aren't - * managing offline cpus here. - */ - cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); - - if (!frozen) { - policy->user_policy.min = policy->min; - policy->user_policy.max = policy->max; - } - blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); @@ -1206,6 +1207,7 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, policy->user_policy.policy = policy->policy; policy->user_policy.governor = policy->governor; } + up_write(&policy->rwsem); kobject_uevent(&policy->kobj, KOBJ_ADD); up_read(&cpufreq_rwsem); @@ -1546,23 +1548,16 @@ static unsigned int __cpufreq_get(unsigned int cpu) */ unsigned int cpufreq_get(unsigned int cpu) { - struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); + struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); unsigned int ret_freq = 0; - if (cpufreq_disabled() || !cpufreq_driver) - return -ENOENT; - - BUG_ON(!policy); - - if (!down_read_trylock(&cpufreq_rwsem)) - return 0; - - down_read(&policy->rwsem); - - ret_freq = __cpufreq_get(cpu); + if (policy) { + down_read(&policy->rwsem); + ret_freq = __cpufreq_get(cpu); + up_read(&policy->rwsem); - up_read(&policy->rwsem); - up_read(&cpufreq_rwsem); + cpufreq_cpu_put(policy); + } return ret_freq; } @@ -2148,7 +2143,7 @@ int cpufreq_update_policy(unsigned int cpu) * BIOS might change freq behind our back * -> ask driver for current freq and notify governors about a change */ - if (cpufreq_driver->get) { + if (cpufreq_driver->get && !cpufreq_driver->setpolicy) { new_policy.cur = cpufreq_driver->get(cpu); if (!policy->cur) { pr_debug("Driver did not initialize current freq"); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e90816105921..2cd36b9297f3 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -39,9 +39,10 @@ #define BYT_TURBO_RATIOS 0x66c -#define FRAC_BITS 8 +#define FRAC_BITS 6 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS) #define fp_toint(X) ((X) >> FRAC_BITS) +#define FP_ROUNDUP(X) ((X) += 1 << FRAC_BITS) static inline int32_t mul_fp(int32_t x, int32_t y) { @@ -556,18 +557,20 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) static inline void intel_pstate_calc_busy(struct cpudata *cpu, struct sample *sample) { - u64 core_pct; - u64 c0_pct; + int32_t core_pct; + int32_t c0_pct; - core_pct = div64_u64(sample->aperf * 100, sample->mperf); + core_pct = div_fp(int_tofp((sample->aperf)), + int_tofp((sample->mperf))); + core_pct = mul_fp(core_pct, int_tofp(100)); + FP_ROUNDUP(core_pct); + + c0_pct = div_fp(int_tofp(sample->mperf), int_tofp(sample->tsc)); - c0_pct = div64_u64(sample->mperf * 100, sample->tsc); sample->freq = fp_toint( - mul_fp(int_tofp(cpu->pstate.max_pstate), - int_tofp(core_pct * 1000))); + mul_fp(int_tofp(cpu->pstate.max_pstate * 1000), core_pct)); - sample->core_pct_busy = mul_fp(int_tofp(core_pct), - div_fp(int_tofp(c0_pct + 1), int_tofp(100))); + sample->core_pct_busy = mul_fp(core_pct, c0_pct); } static inline void intel_pstate_sample(struct cpudata *cpu) @@ -579,6 +582,10 @@ static inline void intel_pstate_sample(struct cpudata *cpu) rdmsrl(MSR_IA32_MPERF, mperf); tsc = native_read_tsc(); + aperf = aperf >> FRAC_BITS; + mperf = mperf >> FRAC_BITS; + tsc = tsc >> FRAC_BITS; + cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT; cpu->samples[cpu->sample_ptr].aperf = aperf; cpu->samples[cpu->sample_ptr].mperf = mperf; @@ -610,7 +617,8 @@ static inline int32_t intel_pstate_get_scaled_busy(struct cpudata *cpu) core_busy = cpu->samples[cpu->sample_ptr].core_pct_busy; max_pstate = int_tofp(cpu->pstate.max_pstate); current_pstate = int_tofp(cpu->pstate.current_pstate); - return mul_fp(core_busy, div_fp(max_pstate, current_pstate)); + core_busy = mul_fp(core_busy, div_fp(max_pstate, current_pstate)); + return FP_ROUNDUP(core_busy); } static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4e7918339b12..19041cefabb1 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -449,6 +449,7 @@ static const struct of_device_id sdma_dt_ids[] = { { .compatible = "fsl,imx51-sdma", .data = &sdma_imx51, }, { .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, }, { .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, }, + { .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, sdma_dt_ids); diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 87529181efcc..4e3549a16132 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -77,7 +77,8 @@ static irqreturn_t ioat_dma_do_interrupt(int irq, void *data) attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET); for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) { chan = ioat_chan_by_index(instance, bit); - tasklet_schedule(&chan->cleanup_task); + if (test_bit(IOAT_RUN, &chan->state)) + tasklet_schedule(&chan->cleanup_task); } writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET); @@ -93,7 +94,8 @@ static irqreturn_t ioat_dma_do_interrupt_msix(int irq, void *data) { struct ioat_chan_common *chan = data; - tasklet_schedule(&chan->cleanup_task); + if (test_bit(IOAT_RUN, &chan->state)) + tasklet_schedule(&chan->cleanup_task); return IRQ_HANDLED; } @@ -116,7 +118,6 @@ void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *c chan->timer.function = device->timer_fn; chan->timer.data = data; tasklet_init(&chan->cleanup_task, device->cleanup_fn, data); - tasklet_disable(&chan->cleanup_task); } /** @@ -354,13 +355,49 @@ static int ioat1_dma_alloc_chan_resources(struct dma_chan *c) writel(((u64) chan->completion_dma) >> 32, chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH); - tasklet_enable(&chan->cleanup_task); + set_bit(IOAT_RUN, &chan->state); ioat1_dma_start_null_desc(ioat); /* give chain to dma device */ dev_dbg(to_dev(chan), "%s: allocated %d descriptors\n", __func__, ioat->desccount); return ioat->desccount; } +void ioat_stop(struct ioat_chan_common *chan) +{ + struct ioatdma_device *device = chan->device; + struct pci_dev *pdev = device->pdev; + int chan_id = chan_num(chan); + struct msix_entry *msix; + + /* 1/ stop irq from firing tasklets + * 2/ stop the tasklet from re-arming irqs + */ + clear_bit(IOAT_RUN, &chan->state); + + /* flush inflight interrupts */ + switch (device->irq_mode) { + case IOAT_MSIX: + msix = &device->msix_entries[chan_id]; + synchronize_irq(msix->vector); + break; + case IOAT_MSI: + case IOAT_INTX: + synchronize_irq(pdev->irq); + break; + default: + break; + } + + /* flush inflight timers */ + del_timer_sync(&chan->timer); + + /* flush inflight tasklet runs */ + tasklet_kill(&chan->cleanup_task); + + /* final cleanup now that everything is quiesced and can't re-arm */ + device->cleanup_fn((unsigned long) &chan->common); +} + /** * ioat1_dma_free_chan_resources - release all the descriptors * @chan: the channel to be cleaned @@ -379,9 +416,7 @@ static void ioat1_dma_free_chan_resources(struct dma_chan *c) if (ioat->desccount == 0) return; - tasklet_disable(&chan->cleanup_task); - del_timer_sync(&chan->timer); - ioat1_cleanup(ioat); + ioat_stop(chan); /* Delay 100ms after reset to allow internal DMA logic to quiesce * before removing DMA descriptor resources. @@ -526,8 +561,11 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest, static void ioat1_cleanup_event(unsigned long data) { struct ioat_dma_chan *ioat = to_ioat_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat1_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 11fb877ddca9..e982f00a9843 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -356,6 +356,7 @@ bool ioat_cleanup_preamble(struct ioat_chan_common *chan, void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type); void ioat_kobject_del(struct ioatdma_device *device); int ioat_dma_setup_interrupts(struct ioatdma_device *device); +void ioat_stop(struct ioat_chan_common *chan); extern const struct sysfs_ops ioat_sysfs_ops; extern struct ioat_sysfs_entry ioat_version_attr; extern struct ioat_sysfs_entry ioat_cap_attr; diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index 5d3affe7e976..8d1058085eeb 100644 --- a/drivers/dma/ioat/dma_v2.c +++ b/drivers/dma/ioat/dma_v2.c @@ -190,8 +190,11 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat) void ioat2_cleanup_event(unsigned long data) { struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat2_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } @@ -553,10 +556,10 @@ int ioat2_alloc_chan_resources(struct dma_chan *c) ioat->issued = 0; ioat->tail = 0; ioat->alloc_order = order; + set_bit(IOAT_RUN, &chan->state); spin_unlock_bh(&ioat->prep_lock); spin_unlock_bh(&chan->cleanup_lock); - tasklet_enable(&chan->cleanup_task); ioat2_start_null_desc(ioat); /* check that we got off the ground */ @@ -566,7 +569,6 @@ int ioat2_alloc_chan_resources(struct dma_chan *c) } while (i++ < 20 && !is_ioat_active(status) && !is_ioat_idle(status)); if (is_ioat_active(status) || is_ioat_idle(status)) { - set_bit(IOAT_RUN, &chan->state); return 1 << ioat->alloc_order; } else { u32 chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET); @@ -809,11 +811,8 @@ void ioat2_free_chan_resources(struct dma_chan *c) if (!ioat->ring) return; - tasklet_disable(&chan->cleanup_task); - del_timer_sync(&chan->timer); - device->cleanup_fn((unsigned long) c); + ioat_stop(chan); device->reset_hw(chan); - clear_bit(IOAT_RUN, &chan->state); spin_lock_bh(&chan->cleanup_lock); spin_lock_bh(&ioat->prep_lock); diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 820817e97e62..b9b38a1cf92f 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -464,8 +464,11 @@ static void ioat3_cleanup(struct ioat2_dma_chan *ioat) static void ioat3_cleanup_event(unsigned long data) { struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data); + struct ioat_chan_common *chan = &ioat->base; ioat3_cleanup(ioat); + if (!test_bit(IOAT_RUN, &chan->state)) + return; writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET); } diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 00a2de957b23..bf18c786ed40 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1641,6 +1641,7 @@ static void dma_tasklet(unsigned long data) struct d40_chan *d40c = (struct d40_chan *) data; struct d40_desc *d40d; unsigned long flags; + bool callback_active; dma_async_tx_callback callback; void *callback_param; @@ -1668,6 +1669,7 @@ static void dma_tasklet(unsigned long data) } /* Callback to client */ + callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT); callback = d40d->txd.callback; callback_param = d40d->txd.callback_param; @@ -1690,7 +1692,7 @@ static void dma_tasklet(unsigned long data) spin_unlock_irqrestore(&d40c->lock, flags); - if (callback && (d40d->txd.flags & DMA_PREP_INTERRUPT)) + if (callback_active && callback) callback(callback_param); return; diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index d63f4798f7d0..57e96a3350f0 100644 --- a/drivers/edac/i7300_edac.c +++ b/drivers/edac/i7300_edac.c @@ -943,33 +943,35 @@ static int i7300_get_devices(struct mem_ctl_info *mci) /* Attempt to 'get' the MCH register we want */ pdev = NULL; - while (!pvt->pci_dev_16_1_fsb_addr_map || - !pvt->pci_dev_16_2_fsb_err_regs) { - pdev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev); - if (!pdev) { - /* End of list, leave */ - i7300_printk(KERN_ERR, - "'system address,Process Bus' " - "device not found:" - "vendor 0x%x device 0x%x ERR funcs " - "(broken BIOS?)\n", - PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_I7300_MCH_ERR); - goto error; - } - + while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, + pdev))) { /* Store device 16 funcs 1 and 2 */ switch (PCI_FUNC(pdev->devfn)) { case 1: - pvt->pci_dev_16_1_fsb_addr_map = pdev; + if (!pvt->pci_dev_16_1_fsb_addr_map) + pvt->pci_dev_16_1_fsb_addr_map = + pci_dev_get(pdev); break; case 2: - pvt->pci_dev_16_2_fsb_err_regs = pdev; + if (!pvt->pci_dev_16_2_fsb_err_regs) + pvt->pci_dev_16_2_fsb_err_regs = + pci_dev_get(pdev); break; } } + if (!pvt->pci_dev_16_1_fsb_addr_map || + !pvt->pci_dev_16_2_fsb_err_regs) { + /* At least one device was not found */ + i7300_printk(KERN_ERR, + "'system address,Process Bus' device not found:" + "vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n", + PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_I7300_MCH_ERR); + goto error; + } + edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n", pci_name(pvt->pci_dev_16_0_fsb_ctlr), pvt->pci_dev_16_0_fsb_ctlr->vendor, diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 87533ca7752e..d871275196f6 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1334,14 +1334,19 @@ static int i7core_get_onedevice(struct pci_dev **prev, * is at addr 8086:2c40, instead of 8086:2c41. So, we need * to probe for the alternate address in case of failure */ - if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) + if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_I7_NONCORE && !pdev) { + pci_dev_get(*prev); /* pci_get_device will put it */ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I7_NONCORE_ALT, *prev); + } - if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && !pdev) + if (dev_descr->dev_id == PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE && + !pdev) { + pci_dev_get(*prev); /* pci_get_device will put it */ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNNFIELD_NONCORE_ALT, *prev); + } if (!pdev) { if (*prev) { diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index c20602f601ee..98a14f6143a7 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -222,27 +222,19 @@ static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) struct snd_soc_dapm_context *dapm = arizona->dapm; int ret; - mutex_lock(&dapm->card->dapm_mutex); - ret = snd_soc_dapm_force_enable_pin(dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to enable %s: %d\n", widget, ret); - mutex_unlock(&dapm->card->dapm_mutex); - snd_soc_dapm_sync(dapm); if (!arizona->pdata.micd_force_micbias) { - mutex_lock(&dapm->card->dapm_mutex); - ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); - mutex_unlock(&dapm->card->dapm_mutex); - snd_soc_dapm_sync(dapm); } } @@ -304,16 +296,12 @@ static void arizona_stop_mic(struct arizona_extcon_info *info) ARIZONA_MICD_ENA, 0, &change); - mutex_lock(&dapm->card->dapm_mutex); - ret = snd_soc_dapm_disable_pin(dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); - mutex_unlock(&dapm->card->dapm_mutex); - snd_soc_dapm_sync(dapm); if (info->micd_reva) { diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index de4aa409abe2..2c6d5e118ac1 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -916,7 +916,7 @@ static int lookup_existing_device(struct device *dev, void *data) old->config_rom_retries = 0; fw_notice(card, "rediscovered device %s\n", dev_name(dev)); - PREPARE_DELAYED_WORK(&old->work, fw_device_update); + old->workfn = fw_device_update; fw_schedule_device_work(old, 0); if (current_node == card->root_node) @@ -1075,7 +1075,7 @@ static void fw_device_init(struct work_struct *work) if (atomic_cmpxchg(&device->state, FW_DEVICE_INITIALIZING, FW_DEVICE_RUNNING) == FW_DEVICE_GONE) { - PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); + device->workfn = fw_device_shutdown; fw_schedule_device_work(device, SHUTDOWN_DELAY); } else { fw_notice(card, "created device %s: GUID %08x%08x, S%d00\n", @@ -1196,13 +1196,20 @@ static void fw_device_refresh(struct work_struct *work) dev_name(&device->device), fw_rcode_string(ret)); gone: atomic_set(&device->state, FW_DEVICE_GONE); - PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); + device->workfn = fw_device_shutdown; fw_schedule_device_work(device, SHUTDOWN_DELAY); out: if (node_id == card->root_node->node_id) fw_schedule_bm_work(card, 0); } +static void fw_device_workfn(struct work_struct *work) +{ + struct fw_device *device = container_of(to_delayed_work(work), + struct fw_device, work); + device->workfn(work); +} + void fw_node_event(struct fw_card *card, struct fw_node *node, int event) { struct fw_device *device; @@ -1252,7 +1259,8 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) * power-up after getting plugged in. We schedule the * first config rom scan half a second after bus reset. */ - INIT_DELAYED_WORK(&device->work, fw_device_init); + device->workfn = fw_device_init; + INIT_DELAYED_WORK(&device->work, fw_device_workfn); fw_schedule_device_work(device, INITIAL_DELAY); break; @@ -1268,7 +1276,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) if (atomic_cmpxchg(&device->state, FW_DEVICE_RUNNING, FW_DEVICE_INITIALIZING) == FW_DEVICE_RUNNING) { - PREPARE_DELAYED_WORK(&device->work, fw_device_refresh); + device->workfn = fw_device_refresh; fw_schedule_device_work(device, device->is_local ? 0 : INITIAL_DELAY); } @@ -1283,7 +1291,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) smp_wmb(); /* update node_id before generation */ device->generation = card->generation; if (atomic_read(&device->state) == FW_DEVICE_RUNNING) { - PREPARE_DELAYED_WORK(&device->work, fw_device_update); + device->workfn = fw_device_update; fw_schedule_device_work(device, 0); } break; @@ -1308,7 +1316,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) device = node->data; if (atomic_xchg(&device->state, FW_DEVICE_GONE) == FW_DEVICE_RUNNING) { - PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); + device->workfn = fw_device_shutdown; fw_schedule_device_work(device, list_empty(&card->link) ? 0 : SHUTDOWN_DELAY); } diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index 6b895986dc22..4af0a7bad7f2 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -929,8 +929,6 @@ static void fwnet_write_complete(struct fw_card *card, int rcode, if (rcode == RCODE_COMPLETE) { fwnet_transmit_packet_done(ptask); } else { - fwnet_transmit_packet_failed(ptask); - if (printk_timed_ratelimit(&j, 1000) || rcode != last_rcode) { dev_err(&ptask->dev->netdev->dev, "fwnet_write_complete failed: %x (skipped %d)\n", @@ -938,8 +936,10 @@ static void fwnet_write_complete(struct fw_card *card, int rcode, errors_skipped = 0; last_rcode = rcode; - } else + } else { errors_skipped++; + } + fwnet_transmit_packet_failed(ptask); } } diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 6f74d8d3f700..8db663219560 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -290,7 +290,6 @@ static char ohci_driver_name[] = KBUILD_MODNAME; #define QUIRK_NO_MSI 0x10 #define QUIRK_TI_SLLZ059 0x20 #define QUIRK_IR_WAKE 0x40 -#define QUIRK_PHY_LCTRL_TIMEOUT 0x80 /* In case of multiple matches in ohci_quirks[], only the first one is used. */ static const struct { @@ -303,10 +302,7 @@ static const struct { QUIRK_BE_HEADERS}, {PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6, - QUIRK_PHY_LCTRL_TIMEOUT | QUIRK_NO_MSI}, - - {PCI_VENDOR_ID_ATT, PCI_ANY_ID, PCI_ANY_ID, - QUIRK_PHY_LCTRL_TIMEOUT}, + QUIRK_NO_MSI}, {PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID, QUIRK_RESET_PACKET}, @@ -353,7 +349,6 @@ MODULE_PARM_DESC(quirks, "Chip quirks (default = 0" ", disable MSI = " __stringify(QUIRK_NO_MSI) ", TI SLLZ059 erratum = " __stringify(QUIRK_TI_SLLZ059) ", IR wake unreliable = " __stringify(QUIRK_IR_WAKE) - ", phy LCtrl timeout = " __stringify(QUIRK_PHY_LCTRL_TIMEOUT) ")"); #define OHCI_PARAM_DEBUG_AT_AR 1 @@ -2299,9 +2294,6 @@ static int ohci_enable(struct fw_card *card, * TI TSB82AA2 + TSB81BA3(A) cards signal LPS enabled early but * cannot actually use the phy at that time. These need tens of * millisecods pause between LPS write and first phy access too. - * - * But do not wait for 50msec on Agere/LSI cards. Their phy - * arbitration state machine may time out during such a long wait. */ reg_write(ohci, OHCI1394_HCControlSet, @@ -2309,11 +2301,8 @@ static int ohci_enable(struct fw_card *card, OHCI1394_HCControl_postedWriteEnable); flush_writes(ohci); - if (!(ohci->quirks & QUIRK_PHY_LCTRL_TIMEOUT)) + for (lps = 0, i = 0; !lps && i < 3; i++) { msleep(50); - - for (lps = 0, i = 0; !lps && i < 150; i++) { - msleep(1); lps = reg_read(ohci, OHCI1394_HCControlSet) & OHCI1394_HCControl_LPS; } diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 281029daf98c..7aef911fdc71 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -146,6 +146,7 @@ struct sbp2_logical_unit { */ int generation; int retries; + work_func_t workfn; struct delayed_work work; bool has_sdev; bool blocked; @@ -864,7 +865,7 @@ static void sbp2_login(struct work_struct *work) /* set appropriate retry limit(s) in BUSY_TIMEOUT register */ sbp2_set_busy_timeout(lu); - PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect); + lu->workfn = sbp2_reconnect; sbp2_agent_reset(lu); /* This was a re-login. */ @@ -918,7 +919,7 @@ static void sbp2_login(struct work_struct *work) * If a bus reset happened, sbp2_update will have requeued * lu->work already. Reset the work from reconnect to login. */ - PREPARE_DELAYED_WORK(&lu->work, sbp2_login); + lu->workfn = sbp2_login; } static void sbp2_reconnect(struct work_struct *work) @@ -952,7 +953,7 @@ static void sbp2_reconnect(struct work_struct *work) lu->retries++ >= 5) { dev_err(tgt_dev(tgt), "failed to reconnect\n"); lu->retries = 0; - PREPARE_DELAYED_WORK(&lu->work, sbp2_login); + lu->workfn = sbp2_login; } sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5)); @@ -972,6 +973,13 @@ static void sbp2_reconnect(struct work_struct *work) sbp2_conditionally_unblock(lu); } +static void sbp2_lu_workfn(struct work_struct *work) +{ + struct sbp2_logical_unit *lu = container_of(to_delayed_work(work), + struct sbp2_logical_unit, work); + lu->workfn(work); +} + static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry) { struct sbp2_logical_unit *lu; @@ -998,7 +1006,8 @@ static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry) lu->blocked = false; ++tgt->dont_block; INIT_LIST_HEAD(&lu->orb_list); - INIT_DELAYED_WORK(&lu->work, sbp2_login); + lu->workfn = sbp2_login; + INIT_DELAYED_WORK(&lu->work, sbp2_lu_workfn); list_add_tail(&lu->link, &tgt->lu_list); return 0; diff --git a/drivers/fmc/fmc-write-eeprom.c b/drivers/fmc/fmc-write-eeprom.c index ee5b47904130..9bb2cbd5c9f2 100644 --- a/drivers/fmc/fmc-write-eeprom.c +++ b/drivers/fmc/fmc-write-eeprom.c @@ -27,7 +27,7 @@ FMC_PARAM_BUSID(fwe_drv); /* The "file=" is like the generic "gateware=" used elsewhere */ static char *fwe_file[FMC_MAX_CARDS]; static int fwe_file_n; -module_param_array_named(file, fwe_file, charp, &fwe_file_n, 444); +module_param_array_named(file, fwe_file, charp, &fwe_file_n, 0444); static int fwe_run_tlv(struct fmc_device *fmc, const struct firmware *fw, int write) diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index acf3a36c9ebc..32982da82694 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -68,15 +68,7 @@ void __armada_drm_queue_unref_work(struct drm_device *dev, { struct armada_private *priv = dev->dev_private; - /* - * Yes, we really must jump through these hoops just to store a - * _pointer_ to something into the kfifo. This is utterly insane - * and idiotic, because it kfifo requires the _data_ pointed to by - * the pointer const, not the pointer itself. Not only that, but - * you have to pass a pointer _to_ the pointer you want stored. - */ - const struct drm_framebuffer *silly_api_alert = fb; - WARN_ON(!kfifo_put(&priv->fb_unref, &silly_api_alert)); + WARN_ON(!kfifo_put(&priv->fb_unref, fb)); schedule_work(&priv->fb_unref_work); } diff --git a/drivers/gpu/drm/bochs/Kconfig b/drivers/gpu/drm/bochs/Kconfig index c8fcf12019f0..5f8b0c2b9a44 100644 --- a/drivers/gpu/drm/bochs/Kconfig +++ b/drivers/gpu/drm/bochs/Kconfig @@ -2,6 +2,7 @@ config DRM_BOCHS tristate "DRM Support for bochs dispi vga interface (qemu stdvga)" depends on DRM && PCI select DRM_KMS_HELPER + select DRM_KMS_FB_HELPER select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 6ac91fcdb4f8..658fe24961eb 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -326,7 +326,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist); void intel_detect_pch(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct pci_dev *pch; + struct pci_dev *pch = NULL; /* In all current cases, num_pipes is equivalent to the PCH_NOP setting * (which really amounts to a PCH but no South Display). @@ -347,12 +347,9 @@ void intel_detect_pch(struct drm_device *dev) * all the ISA bridge devices and check for the first match, instead * of only checking the first one. */ - pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); - while (pch) { - struct pci_dev *curr = pch; + while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) { if (pch->vendor == PCI_VENDOR_ID_INTEL) { - unsigned short id; - id = pch->device & INTEL_PCH_DEVICE_ID_MASK; + unsigned short id = pch->device & INTEL_PCH_DEVICE_ID_MASK; dev_priv->pch_id = id; if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { @@ -384,18 +381,16 @@ void intel_detect_pch(struct drm_device *dev) DRM_DEBUG_KMS("Found LynxPoint LP PCH\n"); WARN_ON(!IS_HASWELL(dev)); WARN_ON(!IS_ULT(dev)); - } else { - goto check_next; - } - pci_dev_put(pch); + } else + continue; + break; } -check_next: - pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, curr); - pci_dev_put(curr); } if (!pch) - DRM_DEBUG_KMS("No PCH found?\n"); + DRM_DEBUG_KMS("No PCH found.\n"); + + pci_dev_put(pch); } bool i915_semaphore_is_enabled(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 1a24e84f2315..d58b4e287e32 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -82,9 +82,22 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev) r = devm_request_mem_region(dev->dev, base, dev_priv->gtt.stolen_size, "Graphics Stolen Memory"); if (r == NULL) { - DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", - base, base + (uint32_t)dev_priv->gtt.stolen_size); - base = 0; + /* + * One more attempt but this time requesting region from + * base + 1, as we have seen that this resolves the region + * conflict with the PCI Bus. + * This is a BIOS w/a: Some BIOS wrap stolen in the root + * PCI bus, but have an off-by-one error. Hence retry the + * reservation starting from 1 instead of 0. + */ + r = devm_request_mem_region(dev->dev, base + 1, + dev_priv->gtt.stolen_size - 1, + "Graphics Stolen Memory"); + if (r == NULL) { + DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n", + base, base + (uint32_t)dev_priv->gtt.stolen_size); + base = 0; + } } return base; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 11746e28243a..0868afbb19d2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1095,12 +1095,12 @@ static void assert_cursor(struct drm_i915_private *dev_priv, struct drm_device *dev = dev_priv->dev; bool cur_state; - if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) - cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE; - else if (IS_845G(dev) || IS_I865G(dev)) + if (IS_845G(dev) || IS_I865G(dev)) cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; - else + else if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; + else + cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE; WARN(cur_state != state, "cursor on pipe %c assertion failure (expected %s, current %s)\n", diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index f410cc03e08a..ceb479733991 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -825,7 +825,7 @@ static int hdmi_portclock_limit(struct intel_hdmi *hdmi) { struct drm_device *dev = intel_hdmi_to_dev(hdmi); - if (IS_G4X(dev)) + if (!hdmi->has_hdmi_sink || IS_G4X(dev)) return 165000; else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) return 300000; @@ -879,8 +879,8 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, * outputs. We also need to check that the higher clock still fits * within limits. */ - if (pipe_config->pipe_bpp > 8*3 && clock_12bpc <= portclock_limit - && HAS_PCH_SPLIT(dev)) { + if (pipe_config->pipe_bpp > 8*3 && intel_hdmi->has_hdmi_sink && + clock_12bpc <= portclock_limit && HAS_PCH_SPLIT(dev)) { DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); desired_bpp = 12*3; diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 5bc3f6ea1014..cb058408c70e 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -689,7 +689,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector) freq /= 0xff; ctl = freq << 17; - if (IS_GEN2(dev) && panel->backlight.combination_mode) + if (panel->backlight.combination_mode) ctl |= BLM_LEGACY_MODE; if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm) ctl |= BLM_POLARITY_PNV; @@ -970,7 +970,7 @@ static int i9xx_setup_backlight(struct intel_connector *connector) ctl = I915_READ(BLC_PWM_CTL); - if (IS_GEN2(dev)) + if (IS_GEN2(dev) || IS_I915GM(dev) || IS_I945GM(dev)) panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE; if (IS_PINEVIEW(dev)) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fc96e611a8a7..ad58ce3b7675 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3557,6 +3557,8 @@ static void valleyview_setup_pctx(struct drm_device *dev) u32 pcbr; int pctx_size = 24*1024; + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + pcbr = I915_READ(VLV_PCBR); if (pcbr) { /* BIOS set it up already, grab the pre-alloc'd space */ @@ -3606,8 +3608,6 @@ static void valleyview_enable_rps(struct drm_device *dev) I915_WRITE(GTFIFODBG, gtfifodbg); } - valleyview_setup_pctx(dev); - /* If VLV, Forcewake all wells, else re-direct to regular path */ gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL); @@ -4474,6 +4474,8 @@ void intel_enable_gt_powersave(struct drm_device *dev) ironlake_enable_rc6(dev); intel_init_emon(dev); } else if (IS_GEN6(dev) || IS_GEN7(dev)) { + if (IS_VALLEYVIEW(dev)) + valleyview_setup_pctx(dev); /* * PCU communication is slow and this doesn't need to be * done at any specific time, so do this out of our fast path diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 0d19f4f94d5a..daa4dd375ab1 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1774,6 +1774,20 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) return ATOM_PPLL1; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; + } else if (ASIC_IS_DCE41(rdev)) { + /* Don't share PLLs on DCE4.1 chips */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + } + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; } else if (ASIC_IS_DCE4(rdev)) { /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, * depending on the asic: @@ -1801,7 +1815,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) if (pll != ATOM_PPLL_INVALID) return pll; } - } else if (!ASIC_IS_DCE41(rdev)) { /* Don't share PLLs on DCE4.1 chips */ + } else { /* use the same PPLL for all monitors with the same clock */ pll = radeon_get_shared_nondp_ppll(crtc); if (pll != ATOM_PPLL_INVALID) diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 2cec2ab02f80..607dc14d195e 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1314,7 +1314,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t } if (is_dp) args.v5.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v5.ucLaneNum = 8; else args.v5.ucLaneNum = 4; diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 92e38b54efb9..0ae991d3289a 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3047,7 +3047,7 @@ static u32 cik_create_bitmask(u32 bit_width) } /** - * cik_select_se_sh - select which SE, SH to address + * cik_get_rb_disabled - computes the mask of disabled RBs * * @rdev: radeon_device pointer * @max_rb_num: max RBs (render backends) for the asic @@ -4133,8 +4133,11 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable) { if (enable) WREG32(CP_MEC_CNTL, 0); - else + else { WREG32(CP_MEC_CNTL, (MEC_ME1_HALT | MEC_ME2_HALT)); + rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; + } udelay(50); } @@ -7949,7 +7952,8 @@ int cik_resume(struct radeon_device *rdev) /* init golden registers */ cik_init_golden_registers(rdev); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = cik_startup(rdev); diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 00150ac49cd2..89b4afa5041c 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -264,6 +264,8 @@ static void cik_sdma_gfx_stop(struct radeon_device *rdev) WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl); WREG32(SDMA0_GFX_IB_CNTL + reg_offset, 0); } + rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; + rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false; } /** @@ -291,6 +293,11 @@ void cik_sdma_enable(struct radeon_device *rdev, bool enable) u32 me_cntl, reg_offset; int i; + if (enable == false) { + cik_sdma_gfx_stop(rdev); + cik_sdma_rlc_stop(rdev); + } + for (i = 0; i < 2; i++) { if (i == 0) reg_offset = SDMA0_REGISTER_OFFSET; @@ -418,10 +425,6 @@ static int cik_sdma_load_microcode(struct radeon_device *rdev) if (!rdev->sdma_fw) return -EINVAL; - /* stop the gfx rings and rlc compute queues */ - cik_sdma_gfx_stop(rdev); - cik_sdma_rlc_stop(rdev); - /* halt the MEs */ cik_sdma_enable(rdev, false); @@ -490,9 +493,6 @@ int cik_sdma_resume(struct radeon_device *rdev) */ void cik_sdma_fini(struct radeon_device *rdev) { - /* stop the gfx rings and rlc compute queues */ - cik_sdma_gfx_stop(rdev); - cik_sdma_rlc_stop(rdev); /* halt the MEs */ cik_sdma_enable(rdev, false); radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 713a5d359901..94e858751994 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -278,13 +278,15 @@ static int dce6_audio_chipset_supported(struct radeon_device *rdev) return !ASIC_IS_NODCE(rdev); } -static void dce6_audio_enable(struct radeon_device *rdev, - struct r600_audio_pin *pin, - bool enable) +void dce6_audio_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, + bool enable) { + if (!pin) + return; + WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL, - AUDIO_ENABLED); - DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id); + enable ? AUDIO_ENABLED : 0); } static const u32 pin_offsets[7] = @@ -323,7 +325,8 @@ int dce6_audio_init(struct radeon_device *rdev) rdev->audio.pin[i].connected = false; rdev->audio.pin[i].offset = pin_offsets[i]; rdev->audio.pin[i].id = i; - dce6_audio_enable(rdev, &rdev->audio.pin[i], true); + /* disable audio. it will be set up later */ + dce6_audio_enable(rdev, &rdev->audio.pin[i], false); } return 0; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index b1f1253e2ced..b406546440da 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -5295,7 +5295,8 @@ int evergreen_resume(struct radeon_device *rdev) /* init golden registers */ evergreen_init_golden_registers(rdev); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = evergreen_startup(rdev); @@ -5471,9 +5472,9 @@ void evergreen_fini(struct radeon_device *rdev) radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); - evergreen_pcie_gart_fini(rdev); uvd_v1_0_fini(rdev); radeon_uvd_fini(rdev); + evergreen_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); radeon_fence_driver_fini(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index 0c6d5cef4cf1..05b0c95813fd 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -306,6 +306,15 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode return; offset = dig->afmt->offset; + /* disable audio prior to setting up hw */ + if (ASIC_IS_DCE6(rdev)) { + dig->afmt->pin = dce6_audio_get_pin(rdev); + dce6_audio_enable(rdev, dig->afmt->pin, false); + } else { + dig->afmt->pin = r600_audio_get_pin(rdev); + r600_audio_enable(rdev, dig->afmt->pin, false); + } + evergreen_audio_set_dto(encoder, mode->clock); WREG32(HDMI_VBI_PACKET_CONTROL + offset, @@ -409,12 +418,16 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode WREG32(AFMT_RAMP_CONTROL1 + offset, 0x007FFFFF); WREG32(AFMT_RAMP_CONTROL2 + offset, 0x00000001); WREG32(AFMT_RAMP_CONTROL3 + offset, 0x00000001); + + /* enable audio after to setting up hw */ + if (ASIC_IS_DCE6(rdev)) + dce6_audio_enable(rdev, dig->afmt->pin, true); + else + r600_audio_enable(rdev, dig->afmt->pin, true); } void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable) { - struct drm_device *dev = encoder->dev; - struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; @@ -427,15 +440,6 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable) if (!enable && !dig->afmt->enabled) return; - if (enable) { - if (ASIC_IS_DCE6(rdev)) - dig->afmt->pin = dce6_audio_get_pin(rdev); - else - dig->afmt->pin = r600_audio_get_pin(rdev); - } else { - dig->afmt->pin = NULL; - } - dig->afmt->enabled = enable; DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n", diff --git a/drivers/gpu/drm/radeon/evergreen_smc.h b/drivers/gpu/drm/radeon/evergreen_smc.h index 76ada8cfe902..3a03ba37d043 100644 --- a/drivers/gpu/drm/radeon/evergreen_smc.h +++ b/drivers/gpu/drm/radeon/evergreen_smc.h @@ -57,7 +57,7 @@ typedef struct SMC_Evergreen_MCRegisters SMC_Evergreen_MCRegisters; #define EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION 0x100 -#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x0 +#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x8 #define EVERGREEN_SMC_FIRMWARE_HEADER_stateTable 0xC #define EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable 0x20 diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 85168ecd216b..d246e043421a 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -2103,7 +2103,8 @@ int cayman_resume(struct radeon_device *rdev) /* init golden registers */ ni_init_golden_registers(rdev); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = cayman_startup(rdev); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 0a894aee7406..030f8e49c5ee 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -3939,8 +3939,6 @@ int r100_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = r100_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 41cdf236ee9a..206caf9700b7 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -1430,8 +1430,6 @@ int r300_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = r300_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 3768aab2710b..802b19220a21 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -325,8 +325,6 @@ int r420_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = r420_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c index e209eb75024f..98d6053c36c6 100644 --- a/drivers/gpu/drm/radeon/r520.c +++ b/drivers/gpu/drm/radeon/r520.c @@ -240,8 +240,6 @@ int r520_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = r520_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 0f4ab928a15a..6e887d004eba 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2964,7 +2964,8 @@ int r600_resume(struct radeon_device *rdev) /* post card */ atom_asic_init(rdev->mode_info.atom_context); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = r600_startup(rdev); diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c index 47fc2b886979..bffac10c4296 100644 --- a/drivers/gpu/drm/radeon/r600_audio.c +++ b/drivers/gpu/drm/radeon/r600_audio.c @@ -142,12 +142,15 @@ void r600_audio_update_hdmi(struct work_struct *work) } /* enable the audio stream */ -static void r600_audio_enable(struct radeon_device *rdev, - struct r600_audio_pin *pin, - bool enable) +void r600_audio_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, + bool enable) { u32 value = 0; + if (!pin) + return; + if (ASIC_IS_DCE4(rdev)) { if (enable) { value |= 0x81000000; /* Required to enable audio */ @@ -158,7 +161,6 @@ static void r600_audio_enable(struct radeon_device *rdev, WREG32_P(R600_AUDIO_ENABLE, enable ? 0x81000000 : 0x0, ~0x81000000); } - DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id); } /* @@ -178,8 +180,8 @@ int r600_audio_init(struct radeon_device *rdev) rdev->audio.pin[0].status_bits = 0; rdev->audio.pin[0].category_code = 0; rdev->audio.pin[0].id = 0; - - r600_audio_enable(rdev, &rdev->audio.pin[0], true); + /* disable audio. it will be set up later */ + r600_audio_enable(rdev, &rdev->audio.pin[0], false); return 0; } diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 3016fc14f502..85a2bb28aed2 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -329,9 +329,6 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder) u8 *sadb; int sad_count; - /* XXX: setting this register causes hangs on some asics */ - return; - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { radeon_connector = to_radeon_connector(connector); @@ -460,6 +457,10 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod return; offset = dig->afmt->offset; + /* disable audio prior to setting up hw */ + dig->afmt->pin = r600_audio_get_pin(rdev); + r600_audio_enable(rdev, dig->afmt->pin, false); + r600_audio_set_dto(encoder, mode->clock); WREG32(HDMI0_VBI_PACKET_CONTROL + offset, @@ -531,6 +532,9 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001); r600_hdmi_audio_workaround(encoder); + + /* enable audio after to setting up hw */ + r600_audio_enable(rdev, dig->afmt->pin, true); } /* @@ -651,11 +655,6 @@ void r600_hdmi_enable(struct drm_encoder *encoder, bool enable) if (!enable && !dig->afmt->enabled) return; - if (enable) - dig->afmt->pin = r600_audio_get_pin(rdev); - else - dig->afmt->pin = NULL; - /* Older chipsets require setting HDMI and routing manually */ if (!ASIC_IS_DCE3(rdev)) { if (enable) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 111deab2492a..f21db7a0b34d 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2833,6 +2833,12 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev, void r600_audio_update_hdmi(struct work_struct *work); struct r600_audio_pin *r600_audio_get_pin(struct radeon_device *rdev); struct r600_audio_pin *dce6_audio_get_pin(struct radeon_device *rdev); +void r600_audio_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, + bool enable); +void dce6_audio_enable(struct radeon_device *rdev, + struct r600_audio_pin *pin, + bool enable); /* * R600 vram scratch functions diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 485848f889f5..fa9a9c02751e 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -219,7 +219,8 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx) memcpy(&output, info->buffer.pointer, size); /* TODO: check version? */ - printk("ATPX version %u\n", output.version); + printk("ATPX version %u, functions 0x%08x\n", + output.version, output.function_bits); radeon_atpx_parse_functions(&atpx->functions, output.function_bits); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 7db44de90d6c..2e72dcd94b13 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1517,13 +1517,16 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) if (r) DRM_ERROR("ib ring test failed (%d).\n", r); - if (rdev->pm.dpm_enabled) { + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { /* do dpm late init */ r = radeon_pm_late_init(rdev); if (r) { rdev->pm.dpm_enabled = false; DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n"); } + } else { + /* resume old pm late */ + radeon_pm_resume(rdev); } radeon_restore_bios_scratch_regs(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 37b1deacb5b1..6f1dfac17507 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -33,6 +33,13 @@ #include <linux/vga_switcheroo.h> #include <linux/slab.h> #include <linux/pm_runtime.h> + +#if defined(CONFIG_VGA_SWITCHEROO) +bool radeon_is_px(void); +#else +static inline bool radeon_is_px(void) { return false; } +#endif + /** * radeon_driver_unload_kms - Main unload function for KMS. * @@ -130,7 +137,8 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) "Error during ACPI methods call\n"); } - if (radeon_runtime_pm != 0) { + if ((radeon_runtime_pm == 1) || + ((radeon_runtime_pm == -1) && radeon_is_px())) { pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); @@ -567,6 +575,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) if (r) return r; + r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); + if (r) + return r; + /* map the ib pool buffer read only into * virtual address space */ bo_va = radeon_vm_bo_add(rdev, &fpriv->vm, diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 60dfce889ecf..d46b33a1cbcd 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -720,6 +720,9 @@ int radeon_ttm_init(struct radeon_device *rdev) DRM_ERROR("Failed initializing VRAM heap.\n"); return r; } + /* Change the size here instead of the init above so only lpfn is affected */ + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->stollen_vga_memory); @@ -941,7 +944,7 @@ static ssize_t radeon_ttm_gtt_read(struct file *f, char __user *buf, while (size) { loff_t p = *pos / PAGE_SIZE; unsigned off = *pos & ~PAGE_MASK; - ssize_t cur_size = min(size, PAGE_SIZE - off); + size_t cur_size = min_t(size_t, size, PAGE_SIZE - off); struct page *page; void *ptr; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 6a2e3ff68374..5748bdaeacce 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -171,6 +171,8 @@ void radeon_uvd_fini(struct radeon_device *rdev) radeon_bo_unref(&rdev->uvd.vcpu_bo); + radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX]); + release_firmware(rdev->uvd_fw); } diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index b5c2369cda2f..130d5cc50d43 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -474,8 +474,6 @@ int rs400_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = rs400_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index fdcde7693032..72d3616de08e 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -1048,8 +1048,6 @@ int rs600_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = rs600_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 35950738bd5e..3462b64369bf 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -756,8 +756,6 @@ int rs690_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = rs690_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 98e8138ff779..237dd29d9f1c 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -586,8 +586,6 @@ int rv515_resume(struct radeon_device *rdev) /* Initialize surface registers */ radeon_surface_init(rdev); - radeon_pm_resume(rdev); - rdev->accel_working = true; r = rv515_startup(rdev); if (r) { diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 6c772e58c784..fef310773aad 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1811,7 +1811,8 @@ int rv770_resume(struct radeon_device *rdev) /* init golden registers */ rv770_init_golden_registers(rdev); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = rv770_startup(rdev); @@ -1955,9 +1956,9 @@ void rv770_fini(struct radeon_device *rdev) radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); - rv770_pcie_gart_fini(rdev); uvd_v1_0_fini(rdev); radeon_uvd_fini(rdev); + rv770_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); radeon_fence_driver_fini(rdev); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 8008cb8d5324..d589475fe9e6 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6610,7 +6610,8 @@ int si_resume(struct radeon_device *rdev) /* init golden registers */ si_init_golden_registers(rdev); - radeon_pm_resume(rdev); + if (rdev->pm.pm_method == PM_METHOD_DPM) + radeon_pm_resume(rdev); rdev->accel_working = true; r = si_startup(rdev); diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 88a529008ce0..c71594754f46 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -104,7 +104,7 @@ static void tegra_drm_context_free(struct tegra_drm_context *context) static void tegra_drm_lastclose(struct drm_device *drm) { -#ifdef CONFIG_TEGRA_DRM_FBDEV +#ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_drm *tegra = drm->dev_private; tegra_fbdev_restore_mode(tegra->fbdev); diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 338f7f6561d7..0266fb40479e 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -15,6 +15,7 @@ struct tegra_rgb { struct tegra_output output; struct tegra_dc *dc; + bool enabled; struct clk *clk_parent; struct clk *clk; @@ -89,6 +90,9 @@ static int tegra_output_rgb_enable(struct tegra_output *output) struct tegra_rgb *rgb = to_rgb(output); unsigned long value; + if (rgb->enabled) + return 0; + tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable)); value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL; @@ -122,6 +126,8 @@ static int tegra_output_rgb_enable(struct tegra_output *output) tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); + rgb->enabled = true; + return 0; } @@ -130,6 +136,9 @@ static int tegra_output_rgb_disable(struct tegra_output *output) struct tegra_rgb *rgb = to_rgb(output); unsigned long value; + if (!rgb->enabled) + return 0; + value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL); value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE); @@ -144,6 +153,8 @@ static int tegra_output_rgb_disable(struct tegra_output *output) tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable)); + rgb->enabled = false; + return 0; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a06651309388..214b7992a3aa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -351,9 +351,11 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, moved: if (bo->evicted) { - ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement); - if (ret) - pr_err("Can not flush read caches\n"); + if (bdev->driver->invalidate_caches) { + ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement); + if (ret) + pr_err("Can not flush read caches\n"); + } bo->evicted = false; } diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 801231c9ae48..0ce48e5a9cb4 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -339,11 +339,13 @@ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma, vma->vm_private_data = bo; /* - * PFNMAP is faster than MIXEDMAP due to reduced page - * administration. So use MIXEDMAP only if private VMA, where - * we need to support COW. + * We'd like to use VM_PFNMAP on shared mappings, where + * (vma->vm_flags & VM_SHARED) != 0, for performance reasons, + * but for some reason VM_PFNMAP + x86 PAT + write-combine is very + * bad for performance. Until that has been sorted out, use + * VM_MIXEDMAP on all mappings. See freedesktop.org bug #75719 */ - vma->vm_flags |= (vma->vm_flags & VM_SHARED) ? VM_PFNMAP : VM_MIXEDMAP; + vma->vm_flags |= VM_MIXEDMAP; vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; return 0; out_unref: @@ -359,7 +361,7 @@ int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo) vma->vm_ops = &ttm_bo_vm_ops; vma->vm_private_data = ttm_bo_reference(bo); - vma->vm_flags |= (vma->vm_flags & VM_SHARED) ? VM_PFNMAP : VM_MIXEDMAP; + vma->vm_flags |= VM_MIXEDMAP; vma->vm_flags |= VM_IO | VM_DONTEXPAND; return 0; } diff --git a/drivers/gpu/drm/vmwgfx/svga3d_reg.h b/drivers/gpu/drm/vmwgfx/svga3d_reg.h index bb594c11605e..f58dc7dd15c5 100644 --- a/drivers/gpu/drm/vmwgfx/svga3d_reg.h +++ b/drivers/gpu/drm/vmwgfx/svga3d_reg.h @@ -261,12 +261,7 @@ typedef enum SVGA3dSurfaceFormat { /* Planar video formats. */ SVGA3D_YV12 = 121, - /* Shader constant formats. */ - SVGA3D_SURFACE_SHADERCONST_FLOAT = 122, - SVGA3D_SURFACE_SHADERCONST_INT = 123, - SVGA3D_SURFACE_SHADERCONST_BOOL = 124, - - SVGA3D_FORMAT_MAX = 125, + SVGA3D_FORMAT_MAX = 122, } SVGA3dSurfaceFormat; typedef uint32 SVGA3dColor; /* a, r, g, b */ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 9e4be1725985..07831554dad7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -40,7 +40,7 @@ #include <drm/ttm/ttm_module.h> #include "vmwgfx_fence.h" -#define VMWGFX_DRIVER_DATE "20121114" +#define VMWGFX_DRIVER_DATE "20140228" #define VMWGFX_DRIVER_MAJOR 2 #define VMWGFX_DRIVER_MINOR 5 #define VMWGFX_DRIVER_PATCHLEVEL 0 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c index d4a5a19cb8c3..04a64b8cd3cd 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c @@ -188,18 +188,20 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv, bo = otable->page_table->pt_bo; cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); - if (unlikely(cmd == NULL)) - DRM_ERROR("Failed reserving FIFO space for OTable setup.\n"); - - memset(cmd, 0, sizeof(*cmd)); - cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE; - cmd->header.size = sizeof(cmd->body); - cmd->body.type = type; - cmd->body.baseAddress = 0; - cmd->body.sizeInBytes = 0; - cmd->body.validSizeInBytes = 0; - cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID; - vmw_fifo_commit(dev_priv, sizeof(*cmd)); + if (unlikely(cmd == NULL)) { + DRM_ERROR("Failed reserving FIFO space for OTable " + "takedown.\n"); + } else { + memset(cmd, 0, sizeof(*cmd)); + cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE; + cmd->header.size = sizeof(cmd->body); + cmd->body.type = type; + cmd->body.baseAddress = 0; + cmd->body.sizeInBytes = 0; + cmd->body.validSizeInBytes = 0; + cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID; + vmw_fifo_commit(dev_priv, sizeof(*cmd)); + } if (bo) { int ret; @@ -562,11 +564,12 @@ void vmw_mob_unbind(struct vmw_private *dev_priv, if (unlikely(cmd == NULL)) { DRM_ERROR("Failed reserving FIFO space for Memory " "Object unbinding.\n"); + } else { + cmd->header.id = SVGA_3D_CMD_DESTROY_GB_MOB; + cmd->header.size = sizeof(cmd->body); + cmd->body.mobid = mob->id; + vmw_fifo_commit(dev_priv, sizeof(*cmd)); } - cmd->header.id = SVGA_3D_CMD_DESTROY_GB_MOB; - cmd->header.size = sizeof(cmd->body); - cmd->body.mobid = mob->id; - vmw_fifo_commit(dev_priv, sizeof(*cmd)); if (bo) { vmw_fence_single_bo(bo, NULL); ttm_bo_unreserve(bo); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 2aa4bc6a4d60..9757b57f8388 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -427,8 +427,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv, INIT_LIST_HEAD(&vmw_bo->res_list); ret = ttm_bo_init(bdev, &vmw_bo->base, size, - (user) ? ttm_bo_type_device : - ttm_bo_type_kernel, placement, + ttm_bo_type_device, placement, 0, interruptible, NULL, acc_size, NULL, bo_free); return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 82468d902915..e7af580ab977 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -830,6 +830,24 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, if (unlikely(ret != 0)) goto out_unlock; + /* + * A gb-aware client referencing a shared surface will + * expect a backup buffer to be present. + */ + if (dev_priv->has_mob && req->shareable) { + uint32_t backup_handle; + + ret = vmw_user_dmabuf_alloc(dev_priv, tfile, + res->backup_size, + true, + &backup_handle, + &res->backup); + if (unlikely(ret != 0)) { + vmw_resource_unreference(&res); + goto out_unlock; + } + } + tmp = vmw_resource_reference(&srf->res); ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, req->shareable, VMW_RES_SURFACE, diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c index 1146e3bba6e1..112f27e51bc7 100644 --- a/drivers/gpu/host1x/job.c +++ b/drivers/gpu/host1x/job.c @@ -538,7 +538,7 @@ int host1x_job_pin(struct host1x_job *job, struct device *dev) g->base = job->gather_addr_phys[i]; - for (j = 0; j < job->num_gathers; j++) + for (j = i + 1; j < job->num_gathers; j++) if (job->gathers[j].bo == g->bo) job->gathers[j].handled = true; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index f5ed03164d86..de17c5593d97 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -387,7 +387,7 @@ config I2C_CBUS_GPIO config I2C_CPM tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" - depends on (CPM1 || CPM2) && OF_I2C + depends on CPM1 || CPM2 help This supports the use of the I2C interface on Freescale processors with CPM1 or CPM2. diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 41c64a43bcab..ac2d69e34c8c 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -70,7 +70,7 @@ config IIO_ST_GYRO_3AXIS select IIO_TRIGGERED_BUFFER if (IIO_BUFFER) help Say yes here to build support for STMicroelectronics gyroscopes: - L3G4200D, LSM330DL, L3GD20, L3GD20H, LSM330DLC, L3G4IS, LSM330. + L3G4200D, LSM330DL, L3GD20, LSM330DLC, L3G4IS, LSM330. This driver can also be built as a module. If so, these modules will be created: diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h index f8f2bf84a5a2..c197360c450b 100644 --- a/drivers/iio/gyro/st_gyro.h +++ b/drivers/iio/gyro/st_gyro.h @@ -19,7 +19,6 @@ #define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro" #define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro" #define L3GD20_GYRO_DEV_NAME "l3gd20" -#define L3GD20H_GYRO_DEV_NAME "l3gd20h" #define L3G4IS_GYRO_DEV_NAME "l3g4is_ui" #define LSM330_GYRO_DEV_NAME "lsm330_gyro" diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index d53d91adfb55..a8e174a47bc4 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -167,11 +167,10 @@ static const struct st_sensors st_gyro_sensors[] = { .wai = ST_GYRO_2_WAI_EXP, .sensors_supported = { [0] = L3GD20_GYRO_DEV_NAME, - [1] = L3GD20H_GYRO_DEV_NAME, - [2] = LSM330D_GYRO_DEV_NAME, - [3] = LSM330DLC_GYRO_DEV_NAME, - [4] = L3G4IS_GYRO_DEV_NAME, - [5] = LSM330_GYRO_DEV_NAME, + [1] = LSM330D_GYRO_DEV_NAME, + [2] = LSM330DLC_GYRO_DEV_NAME, + [3] = L3G4IS_GYRO_DEV_NAME, + [4] = LSM330_GYRO_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, .odr = { diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c index 16b8b8d70bf1..23c12f361b05 100644 --- a/drivers/iio/gyro/st_gyro_i2c.c +++ b/drivers/iio/gyro/st_gyro_i2c.c @@ -55,7 +55,6 @@ static const struct i2c_device_id st_gyro_id_table[] = { { LSM330DL_GYRO_DEV_NAME }, { LSM330DLC_GYRO_DEV_NAME }, { L3GD20_GYRO_DEV_NAME }, - { L3GD20H_GYRO_DEV_NAME }, { L3G4IS_GYRO_DEV_NAME }, { LSM330_GYRO_DEV_NAME }, {}, diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c index 94763e25caf9..b4ad3be26687 100644 --- a/drivers/iio/gyro/st_gyro_spi.c +++ b/drivers/iio/gyro/st_gyro_spi.c @@ -54,7 +54,6 @@ static const struct spi_device_id st_gyro_id_table[] = { { LSM330DL_GYRO_DEV_NAME }, { LSM330DLC_GYRO_DEV_NAME }, { L3GD20_GYRO_DEV_NAME }, - { L3GD20H_GYRO_DEV_NAME }, { L3G4IS_GYRO_DEV_NAME }, { LSM330_GYRO_DEV_NAME }, {}, diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c index f17b4e6183c6..47a6dbac2d0c 100644 --- a/drivers/iio/light/cm32181.c +++ b/drivers/iio/light/cm32181.c @@ -103,13 +103,13 @@ static int cm32181_reg_init(struct cm32181_chip *cm32181) /** * cm32181_read_als_it() - Get sensor integration time (ms) * @cm32181: pointer of struct cm32181 - * @val: pointer of int to load the als_it value. + * @val2: pointer of int to load the als_it value. * * Report the current integartion time by millisecond. * - * Return: IIO_VAL_INT for success, otherwise -EINVAL. + * Return: IIO_VAL_INT_PLUS_MICRO for success, otherwise -EINVAL. */ -static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val) +static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val2) { u16 als_it; int i; @@ -119,8 +119,8 @@ static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val) als_it >>= CM32181_CMD_ALS_IT_SHIFT; for (i = 0; i < ARRAY_SIZE(als_it_bits); i++) { if (als_it == als_it_bits[i]) { - *val = als_it_value[i]; - return IIO_VAL_INT; + *val2 = als_it_value[i]; + return IIO_VAL_INT_PLUS_MICRO; } } @@ -221,7 +221,7 @@ static int cm32181_read_raw(struct iio_dev *indio_dev, *val = cm32181->calibscale; return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: - ret = cm32181_read_als_it(cm32181, val); + ret = cm32181_read_als_it(cm32181, val2); return ret; } @@ -240,7 +240,7 @@ static int cm32181_write_raw(struct iio_dev *indio_dev, cm32181->calibscale = val; return val; case IIO_CHAN_INFO_INT_TIME: - ret = cm32181_write_als_it(cm32181, val); + ret = cm32181_write_als_it(cm32181, val2); return ret; } @@ -264,7 +264,7 @@ static ssize_t cm32181_get_it_available(struct device *dev, n = ARRAY_SIZE(als_it_value); for (i = 0, len = 0; i < n; i++) - len += sprintf(buf + len, "%d ", als_it_value[i]); + len += sprintf(buf + len, "0.%06u ", als_it_value[i]); return len + sprintf(buf + len, "\n"); } diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c index 0a142af83e25..a45e07492db3 100644 --- a/drivers/iio/light/cm36651.c +++ b/drivers/iio/light/cm36651.c @@ -50,10 +50,10 @@ #define CM36651_CS_CONF2_DEFAULT_BIT 0x08 /* CS_CONF3 channel integration time */ -#define CM36651_CS_IT1 0x00 /* Integration time 80000 usec */ -#define CM36651_CS_IT2 0x40 /* Integration time 160000 usec */ -#define CM36651_CS_IT3 0x80 /* Integration time 320000 usec */ -#define CM36651_CS_IT4 0xC0 /* Integration time 640000 usec */ +#define CM36651_CS_IT1 0x00 /* Integration time 80 msec */ +#define CM36651_CS_IT2 0x40 /* Integration time 160 msec */ +#define CM36651_CS_IT3 0x80 /* Integration time 320 msec */ +#define CM36651_CS_IT4 0xC0 /* Integration time 640 msec */ /* PS_CONF1 command code */ #define CM36651_PS_ENABLE 0x00 @@ -64,10 +64,10 @@ #define CM36651_PS_PERS4 0x0C /* PS_CONF1 command code: integration time */ -#define CM36651_PS_IT1 0x00 /* Integration time 320 usec */ -#define CM36651_PS_IT2 0x10 /* Integration time 420 usec */ -#define CM36651_PS_IT3 0x20 /* Integration time 520 usec */ -#define CM36651_PS_IT4 0x30 /* Integration time 640 usec */ +#define CM36651_PS_IT1 0x00 /* Integration time 0.32 msec */ +#define CM36651_PS_IT2 0x10 /* Integration time 0.42 msec */ +#define CM36651_PS_IT3 0x20 /* Integration time 0.52 msec */ +#define CM36651_PS_IT4 0x30 /* Integration time 0.64 msec */ /* PS_CONF1 command code: duty ratio */ #define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */ @@ -93,8 +93,8 @@ #define CM36651_CLOSE_PROXIMITY 0x32 #define CM36651_FAR_PROXIMITY 0x33 -#define CM36651_CS_INT_TIME_AVAIL "80000 160000 320000 640000" -#define CM36651_PS_INT_TIME_AVAIL "320 420 520 640" +#define CM36651_CS_INT_TIME_AVAIL "0.08 0.16 0.32 0.64" +#define CM36651_PS_INT_TIME_AVAIL "0.000320 0.000420 0.000520 0.000640" enum cm36651_operation_mode { CM36651_LIGHT_EN, @@ -356,30 +356,30 @@ static int cm36651_read_channel(struct cm36651_data *cm36651, } static int cm36651_read_int_time(struct cm36651_data *cm36651, - struct iio_chan_spec const *chan, int *val) + struct iio_chan_spec const *chan, int *val2) { switch (chan->type) { case IIO_LIGHT: if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1) - *val = 80000; + *val2 = 80000; else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2) - *val = 160000; + *val2 = 160000; else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3) - *val = 320000; + *val2 = 320000; else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4) - *val = 640000; + *val2 = 640000; else return -EINVAL; break; case IIO_PROXIMITY: if (cm36651->ps_int_time == CM36651_PS_IT1) - *val = 320; + *val2 = 320; else if (cm36651->ps_int_time == CM36651_PS_IT2) - *val = 420; + *val2 = 420; else if (cm36651->ps_int_time == CM36651_PS_IT3) - *val = 520; + *val2 = 520; else if (cm36651->ps_int_time == CM36651_PS_IT4) - *val = 640; + *val2 = 640; else return -EINVAL; break; @@ -387,7 +387,7 @@ static int cm36651_read_int_time(struct cm36651_data *cm36651, return -EINVAL; } - return IIO_VAL_INT; + return IIO_VAL_INT_PLUS_MICRO; } static int cm36651_write_int_time(struct cm36651_data *cm36651, @@ -459,7 +459,8 @@ static int cm36651_read_raw(struct iio_dev *indio_dev, ret = cm36651_read_channel(cm36651, chan, val); break; case IIO_CHAN_INFO_INT_TIME: - ret = cm36651_read_int_time(cm36651, chan, val); + *val = 0; + ret = cm36651_read_int_time(cm36651, chan, val2); break; default: ret = -EINVAL; @@ -479,7 +480,7 @@ static int cm36651_write_raw(struct iio_dev *indio_dev, int ret = -EINVAL; if (mask == IIO_CHAN_INFO_INT_TIME) { - ret = cm36651_write_int_time(cm36651, chan, val); + ret = cm36651_write_int_time(cm36651, chan, val2); if (ret < 0) dev_err(&client->dev, "Integration time write failed\n"); } diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index e81c5547e647..f9c12e92fdd6 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -53,8 +53,8 @@ #include "user.h" #define DRV_NAME MLX4_IB_DRV_NAME -#define DRV_VERSION "1.0" -#define DRV_RELDATE "April 4, 2008" +#define DRV_VERSION "2.2-1" +#define DRV_RELDATE "Feb 2014" #define MLX4_IB_FLOW_MAX_PRIO 0xFFF #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index aa03e732b6a8..bf900579ac08 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -46,8 +46,8 @@ #include "mlx5_ib.h" #define DRIVER_NAME "mlx5_ib" -#define DRIVER_VERSION "1.0" -#define DRIVER_RELDATE "June 2013" +#define DRIVER_VERSION "2.2-1" +#define DRIVER_RELDATE "Feb 2014" MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index d18d08a076e8..8ee228e9ab5a 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -492,12 +492,11 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) isert_conn->state = ISER_CONN_INIT; INIT_LIST_HEAD(&isert_conn->conn_accept_node); init_completion(&isert_conn->conn_login_comp); - init_waitqueue_head(&isert_conn->conn_wait); - init_waitqueue_head(&isert_conn->conn_wait_comp_err); + init_completion(&isert_conn->conn_wait); + init_completion(&isert_conn->conn_wait_comp_err); kref_init(&isert_conn->conn_kref); kref_get(&isert_conn->conn_kref); mutex_init(&isert_conn->conn_mutex); - mutex_init(&isert_conn->conn_comp_mutex); spin_lock_init(&isert_conn->conn_lock); cma_id->context = isert_conn; @@ -688,11 +687,11 @@ isert_disconnect_work(struct work_struct *work) pr_debug("isert_disconnect_work(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); mutex_lock(&isert_conn->conn_mutex); - isert_conn->state = ISER_CONN_DOWN; + if (isert_conn->state == ISER_CONN_UP) + isert_conn->state = ISER_CONN_TERMINATING; if (isert_conn->post_recv_buf_count == 0 && atomic_read(&isert_conn->post_send_buf_count) == 0) { - pr_debug("Calling wake_up(&isert_conn->conn_wait);\n"); mutex_unlock(&isert_conn->conn_mutex); goto wake_up; } @@ -712,7 +711,7 @@ isert_disconnect_work(struct work_struct *work) mutex_unlock(&isert_conn->conn_mutex); wake_up: - wake_up(&isert_conn->conn_wait); + complete(&isert_conn->conn_wait); isert_put_conn(isert_conn); } @@ -888,16 +887,17 @@ isert_init_send_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd, * Coalesce send completion interrupts by only setting IB_SEND_SIGNALED * bit for every ISERT_COMP_BATCH_COUNT number of ib_post_send() calls. */ - mutex_lock(&isert_conn->conn_comp_mutex); - if (coalesce && + mutex_lock(&isert_conn->conn_mutex); + if (coalesce && isert_conn->state == ISER_CONN_UP && ++isert_conn->conn_comp_batch < ISERT_COMP_BATCH_COUNT) { + tx_desc->llnode_active = true; llist_add(&tx_desc->comp_llnode, &isert_conn->conn_comp_llist); - mutex_unlock(&isert_conn->conn_comp_mutex); + mutex_unlock(&isert_conn->conn_mutex); return; } isert_conn->conn_comp_batch = 0; tx_desc->comp_llnode_batch = llist_del_all(&isert_conn->conn_comp_llist); - mutex_unlock(&isert_conn->conn_comp_mutex); + mutex_unlock(&isert_conn->conn_mutex); send_wr->send_flags = IB_SEND_SIGNALED; } @@ -1464,7 +1464,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd) case ISCSI_OP_SCSI_CMD: spin_lock_bh(&conn->cmd_lock); if (!list_empty(&cmd->i_conn_node)) - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); if (cmd->data_direction == DMA_TO_DEVICE) @@ -1476,7 +1476,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd) case ISCSI_OP_SCSI_TMFUNC: spin_lock_bh(&conn->cmd_lock); if (!list_empty(&cmd->i_conn_node)) - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); transport_generic_free_cmd(&cmd->se_cmd, 0); @@ -1486,7 +1486,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd) case ISCSI_OP_TEXT: spin_lock_bh(&conn->cmd_lock); if (!list_empty(&cmd->i_conn_node)) - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); /* @@ -1549,6 +1549,7 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc, iscsit_stop_dataout_timer(cmd); device->unreg_rdma_mem(isert_cmd, isert_conn); cmd->write_data_done = wr->cur_rdma_length; + wr->send_wr_num = 0; pr_debug("Cmd: %p RDMA_READ comp calling execute_cmd\n", isert_cmd); spin_lock_bh(&cmd->istate_lock); @@ -1589,7 +1590,7 @@ isert_do_control_comp(struct work_struct *work) pr_debug("Calling iscsit_logout_post_handler >>>>>>>>>>>>>>\n"); /* * Call atomic_dec(&isert_conn->post_send_buf_count) - * from isert_free_conn() + * from isert_wait_conn() */ isert_conn->logout_posted = true; iscsit_logout_post_handler(cmd, cmd->conn); @@ -1613,6 +1614,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc, struct ib_device *ib_dev) { struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd; + struct isert_rdma_wr *wr = &isert_cmd->rdma_wr; if (cmd->i_state == ISTATE_SEND_TASKMGTRSP || cmd->i_state == ISTATE_SEND_LOGOUTRSP || @@ -1624,7 +1626,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc, queue_work(isert_comp_wq, &isert_cmd->comp_work); return; } - atomic_dec(&isert_conn->post_send_buf_count); + atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count); cmd->i_state = ISTATE_SENT_STATUS; isert_completion_put(tx_desc, isert_cmd, ib_dev); @@ -1662,7 +1664,7 @@ __isert_send_completion(struct iser_tx_desc *tx_desc, case ISER_IB_RDMA_READ: pr_debug("isert_send_completion: Got ISER_IB_RDMA_READ:\n"); - atomic_dec(&isert_conn->post_send_buf_count); + atomic_sub(wr->send_wr_num, &isert_conn->post_send_buf_count); isert_completion_rdma_read(tx_desc, isert_cmd); break; default: @@ -1691,31 +1693,76 @@ isert_send_completion(struct iser_tx_desc *tx_desc, } static void -isert_cq_comp_err(struct iser_tx_desc *tx_desc, struct isert_conn *isert_conn) +isert_cq_drain_comp_llist(struct isert_conn *isert_conn, struct ib_device *ib_dev) +{ + struct llist_node *llnode; + struct isert_rdma_wr *wr; + struct iser_tx_desc *t; + + mutex_lock(&isert_conn->conn_mutex); + llnode = llist_del_all(&isert_conn->conn_comp_llist); + isert_conn->conn_comp_batch = 0; + mutex_unlock(&isert_conn->conn_mutex); + + while (llnode) { + t = llist_entry(llnode, struct iser_tx_desc, comp_llnode); + llnode = llist_next(llnode); + wr = &t->isert_cmd->rdma_wr; + + atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count); + isert_completion_put(t, t->isert_cmd, ib_dev); + } +} + +static void +isert_cq_tx_comp_err(struct iser_tx_desc *tx_desc, struct isert_conn *isert_conn) { struct ib_device *ib_dev = isert_conn->conn_cm_id->device; + struct isert_cmd *isert_cmd = tx_desc->isert_cmd; + struct llist_node *llnode = tx_desc->comp_llnode_batch; + struct isert_rdma_wr *wr; + struct iser_tx_desc *t; - if (tx_desc) { - struct isert_cmd *isert_cmd = tx_desc->isert_cmd; + while (llnode) { + t = llist_entry(llnode, struct iser_tx_desc, comp_llnode); + llnode = llist_next(llnode); + wr = &t->isert_cmd->rdma_wr; - if (!isert_cmd) - isert_unmap_tx_desc(tx_desc, ib_dev); - else - isert_completion_put(tx_desc, isert_cmd, ib_dev); + atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count); + isert_completion_put(t, t->isert_cmd, ib_dev); } + tx_desc->comp_llnode_batch = NULL; - if (isert_conn->post_recv_buf_count == 0 && - atomic_read(&isert_conn->post_send_buf_count) == 0) { - pr_debug("isert_cq_comp_err >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); - pr_debug("Calling wake_up from isert_cq_comp_err\n"); + if (!isert_cmd) + isert_unmap_tx_desc(tx_desc, ib_dev); + else + isert_completion_put(tx_desc, isert_cmd, ib_dev); +} - mutex_lock(&isert_conn->conn_mutex); - if (isert_conn->state != ISER_CONN_DOWN) - isert_conn->state = ISER_CONN_TERMINATING; - mutex_unlock(&isert_conn->conn_mutex); +static void +isert_cq_rx_comp_err(struct isert_conn *isert_conn) +{ + struct ib_device *ib_dev = isert_conn->conn_cm_id->device; + struct iscsi_conn *conn = isert_conn->conn; - wake_up(&isert_conn->conn_wait_comp_err); + if (isert_conn->post_recv_buf_count) + return; + + isert_cq_drain_comp_llist(isert_conn, ib_dev); + + if (conn->sess) { + target_sess_cmd_list_set_waiting(conn->sess->se_sess); + target_wait_for_sess_cmds(conn->sess->se_sess); } + + while (atomic_read(&isert_conn->post_send_buf_count)) + msleep(3000); + + mutex_lock(&isert_conn->conn_mutex); + isert_conn->state = ISER_CONN_DOWN; + mutex_unlock(&isert_conn->conn_mutex); + + complete(&isert_conn->conn_wait_comp_err); } static void @@ -1740,8 +1787,14 @@ isert_cq_tx_work(struct work_struct *work) pr_debug("TX wc.status != IB_WC_SUCCESS >>>>>>>>>>>>>>\n"); pr_debug("TX wc.status: 0x%08x\n", wc.status); pr_debug("TX wc.vendor_err: 0x%08x\n", wc.vendor_err); - atomic_dec(&isert_conn->post_send_buf_count); - isert_cq_comp_err(tx_desc, isert_conn); + + if (wc.wr_id != ISER_FASTREG_LI_WRID) { + if (tx_desc->llnode_active) + continue; + + atomic_dec(&isert_conn->post_send_buf_count); + isert_cq_tx_comp_err(tx_desc, isert_conn); + } } } @@ -1784,7 +1837,7 @@ isert_cq_rx_work(struct work_struct *work) wc.vendor_err); } isert_conn->post_recv_buf_count--; - isert_cq_comp_err(NULL, isert_conn); + isert_cq_rx_comp_err(isert_conn); } } @@ -2202,6 +2255,7 @@ isert_fast_reg_mr(struct fast_reg_descriptor *fr_desc, if (!fr_desc->valid) { memset(&inv_wr, 0, sizeof(inv_wr)); + inv_wr.wr_id = ISER_FASTREG_LI_WRID; inv_wr.opcode = IB_WR_LOCAL_INV; inv_wr.ex.invalidate_rkey = fr_desc->data_mr->rkey; wr = &inv_wr; @@ -2212,6 +2266,7 @@ isert_fast_reg_mr(struct fast_reg_descriptor *fr_desc, /* Prepare FASTREG WR */ memset(&fr_wr, 0, sizeof(fr_wr)); + fr_wr.wr_id = ISER_FASTREG_LI_WRID; fr_wr.opcode = IB_WR_FAST_REG_MR; fr_wr.wr.fast_reg.iova_start = fr_desc->data_frpl->page_list[0] + page_off; @@ -2377,12 +2432,12 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd) isert_init_send_wr(isert_conn, isert_cmd, &isert_cmd->tx_desc.send_wr, true); - atomic_inc(&isert_conn->post_send_buf_count); + atomic_add(wr->send_wr_num + 1, &isert_conn->post_send_buf_count); rc = ib_post_send(isert_conn->conn_qp, wr->send_wr, &wr_failed); if (rc) { pr_warn("ib_post_send() failed for IB_WR_RDMA_WRITE\n"); - atomic_dec(&isert_conn->post_send_buf_count); + atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count); } pr_debug("Cmd: %p posted RDMA_WRITE + Response for iSER Data READ\n", isert_cmd); @@ -2410,12 +2465,12 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery) return rc; } - atomic_inc(&isert_conn->post_send_buf_count); + atomic_add(wr->send_wr_num, &isert_conn->post_send_buf_count); rc = ib_post_send(isert_conn->conn_qp, wr->send_wr, &wr_failed); if (rc) { pr_warn("ib_post_send() failed for IB_WR_RDMA_READ\n"); - atomic_dec(&isert_conn->post_send_buf_count); + atomic_sub(wr->send_wr_num, &isert_conn->post_send_buf_count); } pr_debug("Cmd: %p posted RDMA_READ memory for ISER Data WRITE\n", isert_cmd); @@ -2702,22 +2757,11 @@ isert_free_np(struct iscsi_np *np) kfree(isert_np); } -static int isert_check_state(struct isert_conn *isert_conn, int state) -{ - int ret; - - mutex_lock(&isert_conn->conn_mutex); - ret = (isert_conn->state == state); - mutex_unlock(&isert_conn->conn_mutex); - - return ret; -} - -static void isert_free_conn(struct iscsi_conn *conn) +static void isert_wait_conn(struct iscsi_conn *conn) { struct isert_conn *isert_conn = conn->context; - pr_debug("isert_free_conn: Starting \n"); + pr_debug("isert_wait_conn: Starting \n"); /* * Decrement post_send_buf_count for special case when called * from isert_do_control_comp() -> iscsit_logout_post_handler() @@ -2727,38 +2771,29 @@ static void isert_free_conn(struct iscsi_conn *conn) atomic_dec(&isert_conn->post_send_buf_count); if (isert_conn->conn_cm_id && isert_conn->state != ISER_CONN_DOWN) { - pr_debug("Calling rdma_disconnect from isert_free_conn\n"); + pr_debug("Calling rdma_disconnect from isert_wait_conn\n"); rdma_disconnect(isert_conn->conn_cm_id); } /* * Only wait for conn_wait_comp_err if the isert_conn made it * into full feature phase.. */ - if (isert_conn->state == ISER_CONN_UP) { - pr_debug("isert_free_conn: Before wait_event comp_err %d\n", - isert_conn->state); - mutex_unlock(&isert_conn->conn_mutex); - - wait_event(isert_conn->conn_wait_comp_err, - (isert_check_state(isert_conn, ISER_CONN_TERMINATING))); - - wait_event(isert_conn->conn_wait, - (isert_check_state(isert_conn, ISER_CONN_DOWN))); - - isert_put_conn(isert_conn); - return; - } if (isert_conn->state == ISER_CONN_INIT) { mutex_unlock(&isert_conn->conn_mutex); - isert_put_conn(isert_conn); return; } - pr_debug("isert_free_conn: wait_event conn_wait %d\n", - isert_conn->state); + if (isert_conn->state == ISER_CONN_UP) + isert_conn->state = ISER_CONN_TERMINATING; mutex_unlock(&isert_conn->conn_mutex); - wait_event(isert_conn->conn_wait, - (isert_check_state(isert_conn, ISER_CONN_DOWN))); + wait_for_completion(&isert_conn->conn_wait_comp_err); + + wait_for_completion(&isert_conn->conn_wait); +} + +static void isert_free_conn(struct iscsi_conn *conn) +{ + struct isert_conn *isert_conn = conn->context; isert_put_conn(isert_conn); } @@ -2771,6 +2806,7 @@ static struct iscsit_transport iser_target_transport = { .iscsit_setup_np = isert_setup_np, .iscsit_accept_np = isert_accept_np, .iscsit_free_np = isert_free_np, + .iscsit_wait_conn = isert_wait_conn, .iscsit_free_conn = isert_free_conn, .iscsit_get_login_rx = isert_get_login_rx, .iscsit_put_login_tx = isert_put_login_tx, diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 708a069002f3..f6ae7f5dd408 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -6,6 +6,7 @@ #define ISERT_RDMA_LISTEN_BACKLOG 10 #define ISCSI_ISER_SG_TABLESIZE 256 +#define ISER_FASTREG_LI_WRID 0xffffffffffffffffULL enum isert_desc_type { ISCSI_TX_CONTROL, @@ -45,6 +46,7 @@ struct iser_tx_desc { struct isert_cmd *isert_cmd; struct llist_node *comp_llnode_batch; struct llist_node comp_llnode; + bool llnode_active; struct ib_send_wr send_wr; } __packed; @@ -116,8 +118,8 @@ struct isert_conn { struct isert_device *conn_device; struct work_struct conn_logout_work; struct mutex conn_mutex; - wait_queue_head_t conn_wait; - wait_queue_head_t conn_wait_comp_err; + struct completion conn_wait; + struct completion conn_wait_comp_err; struct kref conn_kref; struct list_head conn_fr_pool; int conn_fr_pool_size; @@ -126,7 +128,6 @@ struct isert_conn { #define ISERT_COMP_BATCH_COUNT 8 int conn_comp_batch; struct llist_head conn_comp_llist; - struct mutex conn_comp_mutex; }; #define ISERT_MAX_CQ 64 diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 7a04f54ef961..ef2e281b0a43 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -37,7 +37,6 @@ static void arizona_haptics_work(struct work_struct *work) struct arizona_haptics, work); struct arizona *arizona = haptics->arizona; - struct mutex *dapm_mutex = &arizona->dapm->card->dapm_mutex; int ret; if (!haptics->arizona->dapm) { @@ -67,13 +66,10 @@ static void arizona_haptics_work(struct work_struct *work) return; } - mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); - ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS"); if (ret != 0) { dev_err(arizona->dev, "Failed to start HAPTICS: %d\n", ret); - mutex_unlock(dapm_mutex); return; } @@ -81,21 +77,14 @@ static void arizona_haptics_work(struct work_struct *work) if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - - mutex_unlock(dapm_mutex); - } else { /* This disable sequence will be a noop if already enabled */ - mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); - ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS"); if (ret != 0) { dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n", ret); - mutex_unlock(dapm_mutex); return; } @@ -103,12 +92,9 @@ static void arizona_haptics_work(struct work_struct *work) if (ret != 0) { dev_err(arizona->dev, "Failed to sync DAPM: %d\n", ret); - mutex_unlock(dapm_mutex); return; } - mutex_unlock(dapm_mutex); - ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, ARIZONA_HAP_CTRL_MASK, @@ -155,16 +141,11 @@ static int arizona_haptics_play(struct input_dev *input, void *data, static void arizona_haptics_close(struct input_dev *input) { struct arizona_haptics *haptics = input_get_drvdata(input); - struct mutex *dapm_mutex = &haptics->arizona->dapm->card->dapm_mutex; cancel_work_sync(&haptics->work); - mutex_lock_nested(dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); - if (haptics->arizona->dapm) snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS"); - - mutex_unlock(dapm_mutex); } static int arizona_haptics_probe(struct platform_device *pdev) diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index d97fbe4fb9b1..80fffba7f12d 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -354,8 +354,8 @@ DEBUG_FOPS(mem); return -ENOMEM; \ } -#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 600) -#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 400) +#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 0600) +#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 0400) static int iommu_debug_register(struct device *dev, void *data) { diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index 92c41ab4dbfd..2cb474ad8809 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -515,7 +515,7 @@ static int meta_intc_set_affinity(struct irq_data *data, * one cpu (the interrupt code doesn't support it), so we just * pick the first cpu we find in 'cpumask'. */ - cpu = cpumask_any(cpumask); + cpu = cpumask_any_and(cpumask, cpu_online_mask); thread = cpu_2_hwthread_id[cpu]; metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR2(thread)), vec_addr); diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c index 8e94d7a3b20d..c16c186d97d3 100644 --- a/drivers/irqchip/irq-metag.c +++ b/drivers/irqchip/irq-metag.c @@ -201,7 +201,7 @@ static int metag_internal_irq_set_affinity(struct irq_data *data, * one cpu (the interrupt code doesn't support it), so we just * pick the first cpu we find in 'cpumask'. */ - cpu = cpumask_any(cpumask); + cpu = cpumask_any_and(cpumask, cpu_online_mask); thread = cpu_2_hwthread_id[cpu]; metag_out32(TBI_TRIG_VEC(TBID_SIGNUM_TR1(thread)), diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 9a06fe883766..95ad936e6048 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -254,16 +254,6 @@ config DM_THIN_PROVISIONING ---help--- Provides thin provisioning and snapshots that share a data store. -config DM_DEBUG_BLOCK_STACK_TRACING - boolean "Keep stack trace of persistent data block lock holders" - depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA - select STACKTRACE - ---help--- - Enable this for messages that may help debug problems with the - block manager locking used by thin provisioning and caching. - - If unsure, say N. - config DM_CACHE tristate "Cache target (EXPERIMENTAL)" depends on BLK_DEV_DM diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 1e018e986610..0e385e40909e 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -872,7 +872,7 @@ static void mq_destroy(struct dm_cache_policy *p) { struct mq_policy *mq = to_mq_policy(p); - kfree(mq->table); + vfree(mq->table); epool_exit(&mq->cache_pool); epool_exit(&mq->pre_cache_pool); kfree(mq); @@ -1245,7 +1245,7 @@ static struct dm_cache_policy *mq_create(dm_cblock_t cache_size, mq->nr_buckets = next_power(from_cblock(cache_size) / 2, 16); mq->hash_bits = ffs(mq->nr_buckets) - 1; - mq->table = kzalloc(sizeof(*mq->table) * mq->nr_buckets, GFP_KERNEL); + mq->table = vzalloc(sizeof(*mq->table) * mq->nr_buckets); if (!mq->table) goto bad_alloc_table; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index ffd472e015ca..074b9c8e4cf0 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -289,6 +289,7 @@ struct per_bio_data { bool tick:1; unsigned req_nr:2; struct dm_deferred_entry *all_io_entry; + struct dm_hook_info hook_info; /* * writethrough fields. These MUST remain at the end of this @@ -297,7 +298,6 @@ struct per_bio_data { */ struct cache *cache; dm_cblock_t cblock; - struct dm_hook_info hook_info; struct dm_bio_details bio_details; }; @@ -671,15 +671,16 @@ static void remap_to_cache(struct cache *cache, struct bio *bio, dm_cblock_t cblock) { sector_t bi_sector = bio->bi_iter.bi_sector; + sector_t block = from_cblock(cblock); bio->bi_bdev = cache->cache_dev->bdev; if (!block_size_is_power_of_two(cache)) bio->bi_iter.bi_sector = - (from_cblock(cblock) * cache->sectors_per_block) + + (block * cache->sectors_per_block) + sector_div(bi_sector, cache->sectors_per_block); else bio->bi_iter.bi_sector = - (from_cblock(cblock) << cache->sectors_per_block_shift) | + (block << cache->sectors_per_block_shift) | (bi_sector & (cache->sectors_per_block - 1)); } @@ -978,12 +979,13 @@ static void issue_copy_real(struct dm_cache_migration *mg) int r; struct dm_io_region o_region, c_region; struct cache *cache = mg->cache; + sector_t cblock = from_cblock(mg->cblock); o_region.bdev = cache->origin_dev->bdev; o_region.count = cache->sectors_per_block; c_region.bdev = cache->cache_dev->bdev; - c_region.sector = from_cblock(mg->cblock) * cache->sectors_per_block; + c_region.sector = cblock * cache->sectors_per_block; c_region.count = cache->sectors_per_block; if (mg->writeback || mg->demote) { @@ -1010,13 +1012,15 @@ static void overwrite_endio(struct bio *bio, int err) struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size); unsigned long flags; + dm_unhook_bio(&pb->hook_info, bio); + if (err) mg->err = true; + mg->requeue_holder = false; + spin_lock_irqsave(&cache->lock, flags); list_add_tail(&mg->list, &cache->completed_migrations); - dm_unhook_bio(&pb->hook_info, bio); - mg->requeue_holder = false; spin_unlock_irqrestore(&cache->lock, flags); wake_worker(cache); @@ -2461,20 +2465,18 @@ static int cache_map(struct dm_target *ti, struct bio *bio) bool discarded_block; struct dm_bio_prison_cell *cell; struct policy_result lookup_result; - struct per_bio_data *pb; + struct per_bio_data *pb = init_per_bio_data(bio, pb_data_size); - if (from_oblock(block) > from_oblock(cache->origin_blocks)) { + if (unlikely(from_oblock(block) >= from_oblock(cache->origin_blocks))) { /* * This can only occur if the io goes to a partial block at * the end of the origin device. We don't cache these. * Just remap to the origin and carry on. */ - remap_to_origin_clear_discard(cache, bio, block); + remap_to_origin(cache, bio); return DM_MAPIO_REMAPPED; } - pb = init_per_bio_data(bio, pb_data_size); - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA | REQ_DISCARD)) { defer_bio(cache, bio); return DM_MAPIO_SUBMITTED; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index b2b8a10e8427..3842ac738f98 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -201,29 +201,28 @@ static void list_dp_init(struct dpages *dp, struct page_list *pl, unsigned offse /* * Functions for getting the pages from a bvec. */ -static void bio_get_page(struct dpages *dp, - struct page **p, unsigned long *len, unsigned *offset) +static void bio_get_page(struct dpages *dp, struct page **p, + unsigned long *len, unsigned *offset) { - struct bio *bio = dp->context_ptr; - struct bio_vec bvec = bio_iovec(bio); - *p = bvec.bv_page; - *len = bvec.bv_len; - *offset = bvec.bv_offset; + struct bio_vec *bvec = dp->context_ptr; + *p = bvec->bv_page; + *len = bvec->bv_len - dp->context_u; + *offset = bvec->bv_offset + dp->context_u; } static void bio_next_page(struct dpages *dp) { - struct bio *bio = dp->context_ptr; - struct bio_vec bvec = bio_iovec(bio); - - bio_advance(bio, bvec.bv_len); + struct bio_vec *bvec = dp->context_ptr; + dp->context_ptr = bvec + 1; + dp->context_u = 0; } static void bio_dp_init(struct dpages *dp, struct bio *bio) { dp->get_page = bio_get_page; dp->next_page = bio_next_page; - dp->context_ptr = bio; + dp->context_ptr = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter); + dp->context_u = bio->bi_iter.bi_bvec_done; } /* diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 6eb9dc9ef8f3..422a9fdeb53e 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1626,8 +1626,11 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd, /* * Only pass ioctls through if the device sizes match exactly. */ - if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) - r = scsi_verify_blk_ioctl(NULL, cmd); + if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) { + int err = scsi_verify_blk_ioctl(NULL, cmd); + if (err) + r = err; + } if (r == -ENOTCONN && !fatal_signal_pending(current)) queue_work(kmultipathd, &m->process_queued_ios); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index f284e0bfb25f..7dfdb5c746d6 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1244,6 +1244,9 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) dm_bio_restore(bd, bio); bio_record->details.bi_bdev = NULL; + + atomic_inc(&bio->bi_remaining); + queue_bio(ms, bio, rw); return DM_ENDIO_INCOMPLETE; } diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index afc3d017de4c..d6e88178d22c 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -546,6 +546,9 @@ static int read_exceptions(struct pstore *ps, r = insert_exceptions(ps, area, callback, callback_context, &full); + if (!full) + memcpy(ps->area, area, ps->store->chunk_size << SECTOR_SHIFT); + dm_bufio_release(bp); dm_bufio_forget(client, chunk); diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 7da347665552..fb9efc829182 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -76,7 +76,7 @@ #define THIN_SUPERBLOCK_MAGIC 27022010 #define THIN_SUPERBLOCK_LOCATION 0 -#define THIN_VERSION 1 +#define THIN_VERSION 2 #define THIN_METADATA_CACHE_SIZE 64 #define SECTOR_TO_BLOCK_SHIFT 3 @@ -483,7 +483,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd) disk_super->data_mapping_root = cpu_to_le64(pmd->root); disk_super->device_details_root = cpu_to_le64(pmd->details_root); - disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); + disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE); disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT); disk_super->data_block_size = cpu_to_le32(pmd->data_block_size); @@ -651,7 +651,7 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f { int r; - pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE, + pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE << SECTOR_SHIFT, THIN_METADATA_CACHE_SIZE, THIN_MAX_CONCURRENT_LOCKS); if (IS_ERR(pmd->bm)) { @@ -1489,6 +1489,23 @@ bool dm_thin_changed_this_transaction(struct dm_thin_device *td) return r; } +bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd) +{ + bool r = false; + struct dm_thin_device *td, *tmp; + + down_read(&pmd->root_lock); + list_for_each_entry_safe(td, tmp, &pmd->thin_devices, list) { + if (td->changed) { + r = td->changed; + break; + } + } + up_read(&pmd->root_lock); + + return r; +} + bool dm_thin_aborted_changes(struct dm_thin_device *td) { bool r; @@ -1738,3 +1755,38 @@ int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd, return r; } + +int dm_pool_metadata_set_needs_check(struct dm_pool_metadata *pmd) +{ + int r; + struct dm_block *sblock; + struct thin_disk_superblock *disk_super; + + down_write(&pmd->root_lock); + pmd->flags |= THIN_METADATA_NEEDS_CHECK_FLAG; + + r = superblock_lock(pmd, &sblock); + if (r) { + DMERR("couldn't read superblock"); + goto out; + } + + disk_super = dm_block_data(sblock); + disk_super->flags = cpu_to_le32(pmd->flags); + + dm_bm_unlock(sblock); +out: + up_write(&pmd->root_lock); + return r; +} + +bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd) +{ + bool needs_check; + + down_read(&pmd->root_lock); + needs_check = pmd->flags & THIN_METADATA_NEEDS_CHECK_FLAG; + up_read(&pmd->root_lock); + + return needs_check; +} diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index 9a368567632f..e3c857db195a 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -9,16 +9,14 @@ #include "persistent-data/dm-block-manager.h" #include "persistent-data/dm-space-map.h" +#include "persistent-data/dm-space-map-metadata.h" -#define THIN_METADATA_BLOCK_SIZE 4096 +#define THIN_METADATA_BLOCK_SIZE DM_SM_METADATA_BLOCK_SIZE /* * The metadata device is currently limited in size. - * - * We have one block of index, which can hold 255 index entries. Each - * index entry contains allocation info about 16k metadata blocks. */ -#define THIN_METADATA_MAX_SECTORS (255 * (1 << 14) * (THIN_METADATA_BLOCK_SIZE / (1 << SECTOR_SHIFT))) +#define THIN_METADATA_MAX_SECTORS DM_SM_METADATA_MAX_SECTORS /* * A metadata device larger than 16GB triggers a warning. @@ -27,6 +25,11 @@ /*----------------------------------------------------------------*/ +/* + * Thin metadata superblock flags. + */ +#define THIN_METADATA_NEEDS_CHECK_FLAG (1 << 0) + struct dm_pool_metadata; struct dm_thin_device; @@ -161,6 +164,8 @@ int dm_thin_remove_block(struct dm_thin_device *td, dm_block_t block); */ bool dm_thin_changed_this_transaction(struct dm_thin_device *td); +bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd); + bool dm_thin_aborted_changes(struct dm_thin_device *td); int dm_thin_get_highest_mapped_block(struct dm_thin_device *td, @@ -202,6 +207,12 @@ int dm_pool_register_metadata_threshold(struct dm_pool_metadata *pmd, dm_sm_threshold_fn fn, void *context); +/* + * Updates the superblock immediately. + */ +int dm_pool_metadata_set_needs_check(struct dm_pool_metadata *pmd); +bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd); + /*----------------------------------------------------------------*/ #endif diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index faaf944597ab..be70d38745f7 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -130,10 +130,11 @@ static void build_virtual_key(struct dm_thin_device *td, dm_block_t b, struct dm_thin_new_mapping; /* - * The pool runs in 3 modes. Ordered in degraded order for comparisons. + * The pool runs in 4 modes. Ordered in degraded order for comparisons. */ enum pool_mode { PM_WRITE, /* metadata may be changed */ + PM_OUT_OF_DATA_SPACE, /* metadata may be changed, though data may not be allocated */ PM_READ_ONLY, /* metadata may not be changed */ PM_FAIL, /* all I/O fails */ }; @@ -198,7 +199,6 @@ struct pool { }; static enum pool_mode get_pool_mode(struct pool *pool); -static void out_of_data_space(struct pool *pool); static void metadata_operation_failed(struct pool *pool, const char *op, int r); /* @@ -226,6 +226,7 @@ struct thin_c { struct pool *pool; struct dm_thin_device *td; + bool requeue_mode:1; }; /*----------------------------------------------------------------*/ @@ -369,14 +370,18 @@ struct dm_thin_endio_hook { struct dm_thin_new_mapping *overwrite_mapping; }; -static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master) +static void requeue_bio_list(struct thin_c *tc, struct bio_list *master) { struct bio *bio; struct bio_list bios; + unsigned long flags; bio_list_init(&bios); + + spin_lock_irqsave(&tc->pool->lock, flags); bio_list_merge(&bios, master); bio_list_init(master); + spin_unlock_irqrestore(&tc->pool->lock, flags); while ((bio = bio_list_pop(&bios))) { struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); @@ -391,12 +396,26 @@ static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master) static void requeue_io(struct thin_c *tc) { struct pool *pool = tc->pool; + + requeue_bio_list(tc, &pool->deferred_bios); + requeue_bio_list(tc, &pool->retry_on_resume_list); +} + +static void error_retry_list(struct pool *pool) +{ + struct bio *bio; unsigned long flags; + struct bio_list bios; + + bio_list_init(&bios); spin_lock_irqsave(&pool->lock, flags); - __requeue_bio_list(tc, &pool->deferred_bios); - __requeue_bio_list(tc, &pool->retry_on_resume_list); + bio_list_merge(&bios, &pool->retry_on_resume_list); + bio_list_init(&pool->retry_on_resume_list); spin_unlock_irqrestore(&pool->lock, flags); + + while ((bio = bio_list_pop(&bios))) + bio_io_error(bio); } /* @@ -925,13 +944,15 @@ static void check_low_water_mark(struct pool *pool, dm_block_t free_blocks) } } +static void set_pool_mode(struct pool *pool, enum pool_mode new_mode); + static int alloc_data_block(struct thin_c *tc, dm_block_t *result) { int r; dm_block_t free_blocks; struct pool *pool = tc->pool; - if (get_pool_mode(pool) != PM_WRITE) + if (WARN_ON(get_pool_mode(pool) != PM_WRITE)) return -EINVAL; r = dm_pool_get_free_block_count(pool->pmd, &free_blocks); @@ -958,7 +979,7 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result) } if (!free_blocks) { - out_of_data_space(pool); + set_pool_mode(pool, PM_OUT_OF_DATA_SPACE); return -ENOSPC; } } @@ -988,15 +1009,32 @@ static void retry_on_resume(struct bio *bio) spin_unlock_irqrestore(&pool->lock, flags); } -static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) +static bool should_error_unserviceable_bio(struct pool *pool) { - /* - * When pool is read-only, no cell locking is needed because - * nothing is changing. - */ - WARN_ON_ONCE(get_pool_mode(pool) != PM_READ_ONLY); + enum pool_mode m = get_pool_mode(pool); - if (pool->pf.error_if_no_space) + switch (m) { + case PM_WRITE: + /* Shouldn't get here */ + DMERR_LIMIT("bio unserviceable, yet pool is in PM_WRITE mode"); + return true; + + case PM_OUT_OF_DATA_SPACE: + return pool->pf.error_if_no_space; + + case PM_READ_ONLY: + case PM_FAIL: + return true; + default: + /* Shouldn't get here */ + DMERR_LIMIT("bio unserviceable, yet pool has an unknown mode"); + return true; + } +} + +static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) +{ + if (should_error_unserviceable_bio(pool)) bio_io_error(bio); else retry_on_resume(bio); @@ -1007,11 +1045,20 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c struct bio *bio; struct bio_list bios; + if (should_error_unserviceable_bio(pool)) { + cell_error(pool, cell); + return; + } + bio_list_init(&bios); cell_release(pool, cell, &bios); - while ((bio = bio_list_pop(&bios))) - handle_unserviceable_bio(pool, bio); + if (should_error_unserviceable_bio(pool)) + while ((bio = bio_list_pop(&bios))) + bio_io_error(bio); + else + while ((bio = bio_list_pop(&bios))) + retry_on_resume(bio); } static void process_discard(struct thin_c *tc, struct bio *bio) @@ -1296,6 +1343,11 @@ static void process_bio_read_only(struct thin_c *tc, struct bio *bio) } } +static void process_bio_success(struct thin_c *tc, struct bio *bio) +{ + bio_endio(bio, 0); +} + static void process_bio_fail(struct thin_c *tc, struct bio *bio) { bio_io_error(bio); @@ -1328,6 +1380,11 @@ static void process_deferred_bios(struct pool *pool) struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); struct thin_c *tc = h->tc; + if (tc->requeue_mode) { + bio_endio(bio, DM_ENDIO_REQUEUE); + continue; + } + /* * If we've got no free new_mapping structs, and processing * this bio might require one, we pause until there are some @@ -1357,7 +1414,8 @@ static void process_deferred_bios(struct pool *pool) bio_list_init(&pool->deferred_flush_bios); spin_unlock_irqrestore(&pool->lock, flags); - if (bio_list_empty(&bios) && !need_commit_due_to_time(pool)) + if (bio_list_empty(&bios) && + !(dm_pool_changed_this_transaction(pool->pmd) && need_commit_due_to_time(pool))) return; if (commit(pool)) { @@ -1393,51 +1451,134 @@ static void do_waker(struct work_struct *ws) /*----------------------------------------------------------------*/ +struct noflush_work { + struct work_struct worker; + struct thin_c *tc; + + atomic_t complete; + wait_queue_head_t wait; +}; + +static void complete_noflush_work(struct noflush_work *w) +{ + atomic_set(&w->complete, 1); + wake_up(&w->wait); +} + +static void do_noflush_start(struct work_struct *ws) +{ + struct noflush_work *w = container_of(ws, struct noflush_work, worker); + w->tc->requeue_mode = true; + requeue_io(w->tc); + complete_noflush_work(w); +} + +static void do_noflush_stop(struct work_struct *ws) +{ + struct noflush_work *w = container_of(ws, struct noflush_work, worker); + w->tc->requeue_mode = false; + complete_noflush_work(w); +} + +static void noflush_work(struct thin_c *tc, void (*fn)(struct work_struct *)) +{ + struct noflush_work w; + + INIT_WORK(&w.worker, fn); + w.tc = tc; + atomic_set(&w.complete, 0); + init_waitqueue_head(&w.wait); + + queue_work(tc->pool->wq, &w.worker); + + wait_event(w.wait, atomic_read(&w.complete)); +} + +/*----------------------------------------------------------------*/ + static enum pool_mode get_pool_mode(struct pool *pool) { return pool->pf.mode; } +static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode) +{ + dm_table_event(pool->ti->table); + DMINFO("%s: switching pool to %s mode", + dm_device_name(pool->pool_md), new_mode); +} + static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) { - int r; - enum pool_mode old_mode = pool->pf.mode; + struct pool_c *pt = pool->ti->private; + bool needs_check = dm_pool_metadata_needs_check(pool->pmd); + enum pool_mode old_mode = get_pool_mode(pool); + + /* + * Never allow the pool to transition to PM_WRITE mode if user + * intervention is required to verify metadata and data consistency. + */ + if (new_mode == PM_WRITE && needs_check) { + DMERR("%s: unable to switch pool to write mode until repaired.", + dm_device_name(pool->pool_md)); + if (old_mode != new_mode) + new_mode = old_mode; + else + new_mode = PM_READ_ONLY; + } + /* + * If we were in PM_FAIL mode, rollback of metadata failed. We're + * not going to recover without a thin_repair. So we never let the + * pool move out of the old mode. + */ + if (old_mode == PM_FAIL) + new_mode = old_mode; switch (new_mode) { case PM_FAIL: if (old_mode != new_mode) - DMERR("%s: switching pool to failure mode", - dm_device_name(pool->pool_md)); + notify_of_pool_mode_change(pool, "failure"); dm_pool_metadata_read_only(pool->pmd); pool->process_bio = process_bio_fail; pool->process_discard = process_bio_fail; pool->process_prepared_mapping = process_prepared_mapping_fail; pool->process_prepared_discard = process_prepared_discard_fail; + + error_retry_list(pool); break; case PM_READ_ONLY: if (old_mode != new_mode) - DMERR("%s: switching pool to read-only mode", - dm_device_name(pool->pool_md)); - r = dm_pool_abort_metadata(pool->pmd); - if (r) { - DMERR("%s: aborting transaction failed", - dm_device_name(pool->pool_md)); - new_mode = PM_FAIL; - set_pool_mode(pool, new_mode); - } else { - dm_pool_metadata_read_only(pool->pmd); - pool->process_bio = process_bio_read_only; - pool->process_discard = process_discard; - pool->process_prepared_mapping = process_prepared_mapping_fail; - pool->process_prepared_discard = process_prepared_discard_passdown; - } + notify_of_pool_mode_change(pool, "read-only"); + dm_pool_metadata_read_only(pool->pmd); + pool->process_bio = process_bio_read_only; + pool->process_discard = process_bio_success; + pool->process_prepared_mapping = process_prepared_mapping_fail; + pool->process_prepared_discard = process_prepared_discard_passdown; + + error_retry_list(pool); + break; + + case PM_OUT_OF_DATA_SPACE: + /* + * Ideally we'd never hit this state; the low water mark + * would trigger userland to extend the pool before we + * completely run out of data space. However, many small + * IOs to unprovisioned space can consume data space at an + * alarming rate. Adjust your low water mark if you're + * frequently seeing this mode. + */ + if (old_mode != new_mode) + notify_of_pool_mode_change(pool, "out-of-data-space"); + pool->process_bio = process_bio_read_only; + pool->process_discard = process_discard; + pool->process_prepared_mapping = process_prepared_mapping; + pool->process_prepared_discard = process_prepared_discard_passdown; break; case PM_WRITE: if (old_mode != new_mode) - DMINFO("%s: switching pool to write mode", - dm_device_name(pool->pool_md)); + notify_of_pool_mode_change(pool, "write"); dm_pool_metadata_read_write(pool->pmd); pool->process_bio = process_bio; pool->process_discard = process_discard; @@ -1447,32 +1588,35 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) } pool->pf.mode = new_mode; + /* + * The pool mode may have changed, sync it so bind_control_target() + * doesn't cause an unexpected mode transition on resume. + */ + pt->adjusted_pf.mode = new_mode; } -/* - * Rather than calling set_pool_mode directly, use these which describe the - * reason for mode degradation. - */ -static void out_of_data_space(struct pool *pool) +static void abort_transaction(struct pool *pool) { - DMERR_LIMIT("%s: no free data space available.", - dm_device_name(pool->pool_md)); - set_pool_mode(pool, PM_READ_ONLY); + const char *dev_name = dm_device_name(pool->pool_md); + + DMERR_LIMIT("%s: aborting current metadata transaction", dev_name); + if (dm_pool_abort_metadata(pool->pmd)) { + DMERR("%s: failed to abort metadata transaction", dev_name); + set_pool_mode(pool, PM_FAIL); + } + + if (dm_pool_metadata_set_needs_check(pool->pmd)) { + DMERR("%s: failed to set 'needs_check' flag in metadata", dev_name); + set_pool_mode(pool, PM_FAIL); + } } static void metadata_operation_failed(struct pool *pool, const char *op, int r) { - dm_block_t free_blocks; - DMERR_LIMIT("%s: metadata operation '%s' failed: error = %d", dm_device_name(pool->pool_md), op, r); - if (r == -ENOSPC && - !dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks) && - !free_blocks) - DMERR_LIMIT("%s: no free metadata space available.", - dm_device_name(pool->pool_md)); - + abort_transaction(pool); set_pool_mode(pool, PM_READ_ONLY); } @@ -1523,6 +1667,11 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) thin_hook_bio(tc, bio); + if (tc->requeue_mode) { + bio_endio(bio, DM_ENDIO_REQUEUE); + return DM_MAPIO_SUBMITTED; + } + if (get_pool_mode(tc->pool) == PM_FAIL) { bio_io_error(bio); return DM_MAPIO_SUBMITTED; @@ -1686,7 +1835,7 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti) /* * We want to make sure that a pool in PM_FAIL mode is never upgraded. */ - enum pool_mode old_mode = pool->pf.mode; + enum pool_mode old_mode = get_pool_mode(pool); enum pool_mode new_mode = pt->adjusted_pf.mode; /* @@ -1700,16 +1849,6 @@ static int bind_control_target(struct pool *pool, struct dm_target *ti) pool->pf = pt->adjusted_pf; pool->low_water_blocks = pt->low_water_blocks; - /* - * If we were in PM_FAIL mode, rollback of metadata failed. We're - * not going to recover without a thin_repair. So we never let the - * pool move out of the old mode. On the other hand a PM_READ_ONLY - * may have been due to a lack of metadata or data space, and may - * now work (ie. if the underlying devices have been resized). - */ - if (old_mode == PM_FAIL) - new_mode = old_mode; - set_pool_mode(pool, new_mode); return 0; @@ -1999,16 +2138,27 @@ static void metadata_low_callback(void *context) dm_table_event(pool->ti->table); } -static sector_t get_metadata_dev_size(struct block_device *bdev) +static sector_t get_dev_size(struct block_device *bdev) +{ + return i_size_read(bdev->bd_inode) >> SECTOR_SHIFT; +} + +static void warn_if_metadata_device_too_big(struct block_device *bdev) { - sector_t metadata_dev_size = i_size_read(bdev->bd_inode) >> SECTOR_SHIFT; + sector_t metadata_dev_size = get_dev_size(bdev); char buffer[BDEVNAME_SIZE]; - if (metadata_dev_size > THIN_METADATA_MAX_SECTORS_WARNING) { + if (metadata_dev_size > THIN_METADATA_MAX_SECTORS_WARNING) DMWARN("Metadata device %s is larger than %u sectors: excess space will not be used.", bdevname(bdev, buffer), THIN_METADATA_MAX_SECTORS); - metadata_dev_size = THIN_METADATA_MAX_SECTORS_WARNING; - } +} + +static sector_t get_metadata_dev_size(struct block_device *bdev) +{ + sector_t metadata_dev_size = get_dev_size(bdev); + + if (metadata_dev_size > THIN_METADATA_MAX_SECTORS) + metadata_dev_size = THIN_METADATA_MAX_SECTORS; return metadata_dev_size; } @@ -2017,7 +2167,7 @@ static dm_block_t get_metadata_dev_size_in_blocks(struct block_device *bdev) { sector_t metadata_dev_size = get_metadata_dev_size(bdev); - sector_div(metadata_dev_size, THIN_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); + sector_div(metadata_dev_size, THIN_METADATA_BLOCK_SIZE); return metadata_dev_size; } @@ -2095,12 +2245,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "Error opening metadata block device"; goto out_unlock; } - - /* - * Run for the side-effect of possibly issuing a warning if the - * device is too big. - */ - (void) get_metadata_dev_size(metadata_dev->bdev); + warn_if_metadata_device_too_big(metadata_dev->bdev); r = dm_get_device(ti, argv[1], FMODE_READ | FMODE_WRITE, &data_dev); if (r) { @@ -2246,6 +2391,12 @@ static int maybe_resize_data_dev(struct dm_target *ti, bool *need_commit) return -EINVAL; } else if (data_size > sb_data_size) { + if (dm_pool_metadata_needs_check(pool->pmd)) { + DMERR("%s: unable to grow the data device until repaired.", + dm_device_name(pool->pool_md)); + return 0; + } + if (sb_data_size) DMINFO("%s: growing the data device from %llu to %llu blocks", dm_device_name(pool->pool_md), @@ -2287,6 +2438,13 @@ static int maybe_resize_metadata_dev(struct dm_target *ti, bool *need_commit) return -EINVAL; } else if (metadata_dev_size > sb_metadata_dev_size) { + if (dm_pool_metadata_needs_check(pool->pmd)) { + DMERR("%s: unable to grow the metadata device until repaired.", + dm_device_name(pool->pool_md)); + return 0; + } + + warn_if_metadata_device_too_big(pool->md_dev); DMINFO("%s: growing the metadata device from %llu to %llu blocks", dm_device_name(pool->pool_md), sb_metadata_dev_size, metadata_dev_size); @@ -2673,7 +2831,9 @@ static void pool_status(struct dm_target *ti, status_type_t type, else DMEMIT("- "); - if (pool->pf.mode == PM_READ_ONLY) + if (pool->pf.mode == PM_OUT_OF_DATA_SPACE) + DMEMIT("out_of_data_space "); + else if (pool->pf.mode == PM_READ_ONLY) DMEMIT("ro "); else DMEMIT("rw "); @@ -2787,7 +2947,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 10, 0}, + .version = {1, 11, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -2894,6 +3054,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) if (get_pool_mode(tc->pool) == PM_FAIL) { ti->error = "Couldn't open thin device, Pool is in fail mode"; + r = -EINVAL; goto bad_thin_open; } @@ -2905,7 +3066,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) r = dm_set_target_max_io_len(ti, tc->pool->sectors_per_block); if (r) - goto bad_thin_open; + goto bad_target_max_io_len; ti->num_flush_bios = 1; ti->flush_supported = true; @@ -2926,6 +3087,8 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) return 0; +bad_target_max_io_len: + dm_pool_close_thin_device(tc->td); bad_thin_open: __pool_dec(tc->pool); bad_pool_lookup: @@ -2986,10 +3149,23 @@ static int thin_endio(struct dm_target *ti, struct bio *bio, int err) return 0; } -static void thin_postsuspend(struct dm_target *ti) +static void thin_presuspend(struct dm_target *ti) { + struct thin_c *tc = ti->private; + if (dm_noflush_suspending(ti)) - requeue_io((struct thin_c *)ti->private); + noflush_work(tc, do_noflush_start); +} + +static void thin_postsuspend(struct dm_target *ti) +{ + struct thin_c *tc = ti->private; + + /* + * The dm_noflush_suspending flag has been cleared by now, so + * unfortunately we must always run this. + */ + noflush_work(tc, do_noflush_stop); } /* @@ -3074,12 +3250,13 @@ static int thin_iterate_devices(struct dm_target *ti, static struct target_type thin_target = { .name = "thin", - .version = {1, 10, 0}, + .version = {1, 11, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, .map = thin_map, .end_io = thin_endio, + .presuspend = thin_presuspend, .postsuspend = thin_postsuspend, .status = thin_status, .iterate_devices = thin_iterate_devices, diff --git a/drivers/md/persistent-data/Kconfig b/drivers/md/persistent-data/Kconfig index 19b268795415..0c2dec7aec20 100644 --- a/drivers/md/persistent-data/Kconfig +++ b/drivers/md/persistent-data/Kconfig @@ -6,3 +6,13 @@ config DM_PERSISTENT_DATA ---help--- Library providing immutable on-disk data structure support for device-mapper targets such as the thin provisioning target. + +config DM_DEBUG_BLOCK_STACK_TRACING + boolean "Keep stack trace of persistent data block lock holders" + depends on STACKTRACE_SUPPORT && DM_PERSISTENT_DATA + select STACKTRACE + ---help--- + Enable this for messages that may help debug problems with the + block manager locking used by thin provisioning and caching. + + If unsure, say N. diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 536782e3bcb7..786b689bdfc7 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -91,6 +91,69 @@ struct block_op { dm_block_t block; }; +struct bop_ring_buffer { + unsigned begin; + unsigned end; + struct block_op bops[MAX_RECURSIVE_ALLOCATIONS + 1]; +}; + +static void brb_init(struct bop_ring_buffer *brb) +{ + brb->begin = 0; + brb->end = 0; +} + +static bool brb_empty(struct bop_ring_buffer *brb) +{ + return brb->begin == brb->end; +} + +static unsigned brb_next(struct bop_ring_buffer *brb, unsigned old) +{ + unsigned r = old + 1; + return (r >= (sizeof(brb->bops) / sizeof(*brb->bops))) ? 0 : r; +} + +static int brb_push(struct bop_ring_buffer *brb, + enum block_op_type type, dm_block_t b) +{ + struct block_op *bop; + unsigned next = brb_next(brb, brb->end); + + /* + * We don't allow the last bop to be filled, this way we can + * differentiate between full and empty. + */ + if (next == brb->begin) + return -ENOMEM; + + bop = brb->bops + brb->end; + bop->type = type; + bop->block = b; + + brb->end = next; + + return 0; +} + +static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result) +{ + struct block_op *bop; + + if (brb_empty(brb)) + return -ENODATA; + + bop = brb->bops + brb->begin; + result->type = bop->type; + result->block = bop->block; + + brb->begin = brb_next(brb, brb->begin); + + return 0; +} + +/*----------------------------------------------------------------*/ + struct sm_metadata { struct dm_space_map sm; @@ -101,25 +164,20 @@ struct sm_metadata { unsigned recursion_count; unsigned allocated_this_transaction; - unsigned nr_uncommitted; - struct block_op uncommitted[MAX_RECURSIVE_ALLOCATIONS]; + struct bop_ring_buffer uncommitted; struct threshold threshold; }; static int add_bop(struct sm_metadata *smm, enum block_op_type type, dm_block_t b) { - struct block_op *op; + int r = brb_push(&smm->uncommitted, type, b); - if (smm->nr_uncommitted == MAX_RECURSIVE_ALLOCATIONS) { + if (r) { DMERR("too many recursive allocations"); return -ENOMEM; } - op = smm->uncommitted + smm->nr_uncommitted++; - op->type = type; - op->block = b; - return 0; } @@ -158,11 +216,17 @@ static int out(struct sm_metadata *smm) return -ENOMEM; } - if (smm->recursion_count == 1 && smm->nr_uncommitted) { - while (smm->nr_uncommitted && !r) { - smm->nr_uncommitted--; - r = commit_bop(smm, smm->uncommitted + - smm->nr_uncommitted); + if (smm->recursion_count == 1) { + while (!brb_empty(&smm->uncommitted)) { + struct block_op bop; + + r = brb_pop(&smm->uncommitted, &bop); + if (r) { + DMERR("bug in bop ring buffer"); + break; + } + + r = commit_bop(smm, &bop); if (r) break; } @@ -217,7 +281,8 @@ static int sm_metadata_get_nr_free(struct dm_space_map *sm, dm_block_t *count) static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b, uint32_t *result) { - int r, i; + int r; + unsigned i; struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); unsigned adjustment = 0; @@ -225,8 +290,10 @@ static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b, * We may have some uncommitted adjustments to add. This list * should always be really short. */ - for (i = 0; i < smm->nr_uncommitted; i++) { - struct block_op *op = smm->uncommitted + i; + for (i = smm->uncommitted.begin; + i != smm->uncommitted.end; + i = brb_next(&smm->uncommitted, i)) { + struct block_op *op = smm->uncommitted.bops + i; if (op->block != b) continue; @@ -254,7 +321,8 @@ static int sm_metadata_get_count(struct dm_space_map *sm, dm_block_t b, static int sm_metadata_count_is_more_than_one(struct dm_space_map *sm, dm_block_t b, int *result) { - int r, i, adjustment = 0; + int r, adjustment = 0; + unsigned i; struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); uint32_t rc; @@ -262,8 +330,11 @@ static int sm_metadata_count_is_more_than_one(struct dm_space_map *sm, * We may have some uncommitted adjustments to add. This list * should always be really short. */ - for (i = 0; i < smm->nr_uncommitted; i++) { - struct block_op *op = smm->uncommitted + i; + for (i = smm->uncommitted.begin; + i != smm->uncommitted.end; + i = brb_next(&smm->uncommitted, i)) { + + struct block_op *op = smm->uncommitted.bops + i; if (op->block != b) continue; @@ -671,7 +742,7 @@ int dm_sm_metadata_create(struct dm_space_map *sm, smm->begin = superblock + 1; smm->recursion_count = 0; smm->allocated_this_transaction = 0; - smm->nr_uncommitted = 0; + brb_init(&smm->uncommitted); threshold_init(&smm->threshold); memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm)); @@ -680,6 +751,8 @@ int dm_sm_metadata_create(struct dm_space_map *sm, if (r) return r; + if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS) + nr_blocks = DM_SM_METADATA_MAX_BLOCKS; r = sm_ll_extend(&smm->ll, nr_blocks); if (r) return r; @@ -713,7 +786,7 @@ int dm_sm_metadata_open(struct dm_space_map *sm, smm->begin = 0; smm->recursion_count = 0; smm->allocated_this_transaction = 0; - smm->nr_uncommitted = 0; + brb_init(&smm->uncommitted); threshold_init(&smm->threshold); memcpy(&smm->old_ll, &smm->ll, sizeof(smm->old_ll)); diff --git a/drivers/md/persistent-data/dm-space-map-metadata.h b/drivers/md/persistent-data/dm-space-map-metadata.h index 39bba0801cf2..64df923974d8 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.h +++ b/drivers/md/persistent-data/dm-space-map-metadata.h @@ -9,6 +9,17 @@ #include "dm-transaction-manager.h" +#define DM_SM_METADATA_BLOCK_SIZE (4096 >> SECTOR_SHIFT) + +/* + * The metadata device is currently limited in size. + * + * We have one block of index, which can hold 255 index entries. Each + * index entry contains allocation info about ~16k metadata blocks. + */ +#define DM_SM_METADATA_MAX_BLOCKS (255 * ((1 << 14) - 64)) +#define DM_SM_METADATA_MAX_SECTORS (DM_SM_METADATA_MAX_BLOCKS * DM_SM_METADATA_BLOCK_SIZE) + /* * Unfortunately we have to use two-phase construction due to the cycle * between the tm and sm. diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index b9e2000969f0..95c894482fdd 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -240,7 +240,7 @@ xpc_create_gru_mq_uv(unsigned int mq_size, int cpu, char *irq_name, nid = cpu_to_node(cpu); page = alloc_pages_exact_node(nid, - GFP_KERNEL | __GFP_ZERO | GFP_THISNODE, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, pg_order); if (page == NULL) { dev_err(xpc_part, "xpc_create_gru_mq_uv() failed to alloc %d " diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 59eba5d2c685..9715a7ba164a 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1584,7 +1584,7 @@ read_retry: } if (mtd->ecc_stats.failed - ecc_failures) { - if (retry_mode + 1 <= chip->read_retries) { + if (retry_mode + 1 < chip->read_retries) { retry_mode++; ret = nand_setup_read_retry(mtd, retry_mode); diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index ef4190a02b7b..bf642ceef681 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1633,6 +1633,7 @@ static int omap_nand_probe(struct platform_device *pdev) int i; dma_cap_mask_t mask; unsigned sig; + unsigned oob_index; struct resource *res; struct mtd_part_parser_data ppdata = {}; @@ -1826,11 +1827,14 @@ static int omap_nand_probe(struct platform_device *pdev) (mtd->writesize / nand_chip->ecc.size); if (nand_chip->options & NAND_BUSWIDTH_16) - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + oob_index = BADBLOCK_MARKER_LENGTH; else - ecclayout->eccpos[0] = 1; - ecclayout->oobfree->offset = ecclayout->eccpos[0] + - ecclayout->eccbytes; + oob_index = 1; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) + ecclayout->eccpos[i] = oob_index; + /* no reserved-marker in ecclayout for this ecc-scheme */ + ecclayout->oobfree->offset = + ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; break; case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW: @@ -1847,9 +1851,15 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; - ecclayout->oobfree->offset = ecclayout->eccpos[0] + - ecclayout->eccbytes; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) { + ecclayout->eccpos[i] = oob_index; + if (((i + 1) % nand_chip->ecc.bytes) == 0) + oob_index++; + } + /* include reserved-marker in ecclayout->oobfree calculation */ + ecclayout->oobfree->offset = 1 + + ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; /* software bch library is used for locating errors */ nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, @@ -1883,9 +1893,12 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; - ecclayout->oobfree->offset = ecclayout->eccpos[0] + - ecclayout->eccbytes; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) + ecclayout->eccpos[i] = oob_index; + /* reserved marker already included in ecclayout->eccbytes */ + ecclayout->oobfree->offset = + ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; /* This ECC scheme requires ELM H/W block */ if (is_elm_present(info, pdata->elm_of_node, BCH4_ECC) < 0) { pr_err("nand: error: could not initialize ELM\n"); @@ -1913,9 +1926,15 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; - ecclayout->oobfree->offset = ecclayout->eccpos[0] + - ecclayout->eccbytes; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) { + ecclayout->eccpos[i] = oob_index; + if (((i + 1) % nand_chip->ecc.bytes) == 0) + oob_index++; + } + /* include reserved-marker in ecclayout->oobfree calculation */ + ecclayout->oobfree->offset = 1 + + ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; /* software bch library is used for locating errors */ nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, @@ -1956,9 +1975,12 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; - ecclayout->oobfree->offset = ecclayout->eccpos[0] + - ecclayout->eccbytes; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) + ecclayout->eccpos[i] = oob_index; + /* reserved marker already included in ecclayout->eccbytes */ + ecclayout->oobfree->offset = + ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; break; #else pr_err("nand: error: CONFIG_MTD_NAND_OMAP_BCH not enabled\n"); @@ -1972,11 +1994,8 @@ static int omap_nand_probe(struct platform_device *pdev) goto return_error; } - /* populate remaining ECC layout data */ - ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH + - ecclayout->eccbytes); - for (i = 1; i < ecclayout->eccbytes; i++) - ecclayout->eccpos[i] = ecclayout->eccpos[0] + i; + /* all OOB bytes from oobfree->offset till end off OOB are free */ + ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset; /* check if NAND device's OOB is enough to store ECC signatures */ if (mtd->oobsize < (ecclayout->eccbytes + BADBLOCK_MARKER_LENGTH)) { pr_err("not enough OOB bytes required = %d, available=%d\n", diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index ead861307b3c..c5dad652614d 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -463,8 +463,8 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, } } if (found_orphan) { - kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); list_del(&tmp_aeb->u.list); + kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); } new_aeb = kmem_cache_alloc(ai->aeb_slab_cache, @@ -846,16 +846,16 @@ fail_bad: ret = UBI_BAD_FASTMAP; fail: list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &used, u.list) { - kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); list_del(&tmp_aeb->u.list); + kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); } list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans, u.list) { - kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); list_del(&tmp_aeb->u.list); + kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); } list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) { - kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); list_del(&tmp_aeb->u.list); + kmem_cache_free(ai->aeb_slab_cache, tmp_aeb); } return ret; diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 6d20fbde8d43..dcde56057fe1 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -181,7 +181,7 @@ static inline int __agg_has_partner(struct aggregator *agg) */ static inline void __disable_port(struct port *port) { - bond_set_slave_inactive_flags(port->slave); + bond_set_slave_inactive_flags(port->slave, BOND_SLAVE_NOTIFY_LATER); } /** @@ -193,7 +193,7 @@ static inline void __enable_port(struct port *port) struct slave *slave = port->slave; if ((slave->link == BOND_LINK_UP) && IS_UP(slave->dev)) - bond_set_slave_active_flags(slave); + bond_set_slave_active_flags(slave, BOND_SLAVE_NOTIFY_LATER); } /** @@ -2062,6 +2062,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) struct list_head *iter; struct slave *slave; struct port *port; + bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER; read_lock(&bond->lock); rcu_read_lock(); @@ -2119,8 +2120,19 @@ void bond_3ad_state_machine_handler(struct work_struct *work) } re_arm: + bond_for_each_slave_rcu(bond, slave, iter) { + if (slave->should_notify) { + should_notify_rtnl = BOND_SLAVE_NOTIFY_NOW; + break; + } + } rcu_read_unlock(); read_unlock(&bond->lock); + + if (should_notify_rtnl && rtnl_trylock()) { + bond_slave_state_notify(bond); + rtnl_unlock(); + } queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks); } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index a2c47476804d..e8f133e926aa 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -730,7 +730,7 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon client_info->ntt = 0; } - if (!vlan_get_tag(skb, &client_info->vlan_id)) + if (vlan_get_tag(skb, &client_info->vlan_id)) client_info->vlan_id = 0; if (!client_info->assigned) { diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 1c6104d3501d..e5628fc725c3 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -829,21 +829,25 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active) if (bond_is_lb(bond)) { bond_alb_handle_active_change(bond, new_active); if (old_active) - bond_set_slave_inactive_flags(old_active); + bond_set_slave_inactive_flags(old_active, + BOND_SLAVE_NOTIFY_NOW); if (new_active) - bond_set_slave_active_flags(new_active); + bond_set_slave_active_flags(new_active, + BOND_SLAVE_NOTIFY_NOW); } else { rcu_assign_pointer(bond->curr_active_slave, new_active); } if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { if (old_active) - bond_set_slave_inactive_flags(old_active); + bond_set_slave_inactive_flags(old_active, + BOND_SLAVE_NOTIFY_NOW); if (new_active) { bool should_notify_peers = false; - bond_set_slave_active_flags(new_active); + bond_set_slave_active_flags(new_active, + BOND_SLAVE_NOTIFY_NOW); if (bond->params.fail_over_mac) bond_do_fail_over_mac(bond, new_active, @@ -1193,6 +1197,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) return -EBUSY; } + if (bond_dev == slave_dev) { + pr_err("%s: cannot enslave bond to itself.\n", bond_dev->name); + return -EPERM; + } + /* vlan challenged mutual exclusion */ /* no need to lock since we're protected by rtnl_lock */ if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) { @@ -1463,14 +1472,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) switch (bond->params.mode) { case BOND_MODE_ACTIVEBACKUP: - bond_set_slave_inactive_flags(new_slave); + bond_set_slave_inactive_flags(new_slave, + BOND_SLAVE_NOTIFY_NOW); break; case BOND_MODE_8023AD: /* in 802.3ad mode, the internal mechanism * will activate the slaves in the selected * aggregator */ - bond_set_slave_inactive_flags(new_slave); + bond_set_slave_inactive_flags(new_slave, BOND_SLAVE_NOTIFY_NOW); /* if this is the first slave */ if (!prev_slave) { SLAVE_AD_INFO(new_slave).id = 1; @@ -1488,7 +1498,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) case BOND_MODE_TLB: case BOND_MODE_ALB: bond_set_active_slave(new_slave); - bond_set_slave_inactive_flags(new_slave); + bond_set_slave_inactive_flags(new_slave, BOND_SLAVE_NOTIFY_NOW); break; default: pr_debug("This slave is always active in trunk mode\n"); @@ -1654,9 +1664,6 @@ static int __bond_release_one(struct net_device *bond_dev, return -EINVAL; } - /* release the slave from its bond */ - bond->slave_cnt--; - bond_sysfs_slave_del(slave); bond_upper_dev_unlink(bond_dev, slave_dev); @@ -1738,6 +1745,7 @@ static int __bond_release_one(struct net_device *bond_dev, unblock_netpoll_tx(); synchronize_rcu(); + bond->slave_cnt--; if (!bond_has_slaves(bond)) { call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); @@ -2015,7 +2023,8 @@ static void bond_miimon_commit(struct bonding *bond) if (bond->params.mode == BOND_MODE_ACTIVEBACKUP || bond->params.mode == BOND_MODE_8023AD) - bond_set_slave_inactive_flags(slave); + bond_set_slave_inactive_flags(slave, + BOND_SLAVE_NOTIFY_NOW); pr_info("%s: link status definitely down for interface %s, disabling it\n", bond->dev->name, slave->dev->name); @@ -2562,7 +2571,8 @@ static void bond_ab_arp_commit(struct bonding *bond) slave->link = BOND_LINK_UP; if (bond->current_arp_slave) { bond_set_slave_inactive_flags( - bond->current_arp_slave); + bond->current_arp_slave, + BOND_SLAVE_NOTIFY_NOW); bond->current_arp_slave = NULL; } @@ -2582,7 +2592,8 @@ static void bond_ab_arp_commit(struct bonding *bond) slave->link_failure_count++; slave->link = BOND_LINK_DOWN; - bond_set_slave_inactive_flags(slave); + bond_set_slave_inactive_flags(slave, + BOND_SLAVE_NOTIFY_NOW); pr_info("%s: link status definitely down for interface %s, disabling it\n", bond->dev->name, slave->dev->name); @@ -2615,17 +2626,17 @@ do_failover: /* * Send ARP probes for active-backup mode ARP monitor. + * + * Called with rcu_read_lock hold. */ static bool bond_ab_arp_probe(struct bonding *bond) { struct slave *slave, *before = NULL, *new_slave = NULL, - *curr_arp_slave, *curr_active_slave; + *curr_arp_slave = rcu_dereference(bond->current_arp_slave), + *curr_active_slave = rcu_dereference(bond->curr_active_slave); struct list_head *iter; bool found = false; - - rcu_read_lock(); - curr_arp_slave = rcu_dereference(bond->current_arp_slave); - curr_active_slave = rcu_dereference(bond->curr_active_slave); + bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER; if (curr_arp_slave && curr_active_slave) pr_info("PROBE: c_arp %s && cas %s BAD\n", @@ -2634,32 +2645,23 @@ static bool bond_ab_arp_probe(struct bonding *bond) if (curr_active_slave) { bond_arp_send_all(bond, curr_active_slave); - rcu_read_unlock(); - return true; + return should_notify_rtnl; } - rcu_read_unlock(); /* if we don't have a curr_active_slave, search for the next available * backup slave from the current_arp_slave and make it the candidate * for becoming the curr_active_slave */ - if (!rtnl_trylock()) - return false; - /* curr_arp_slave might have gone away */ - curr_arp_slave = ACCESS_ONCE(bond->current_arp_slave); - if (!curr_arp_slave) { - curr_arp_slave = bond_first_slave(bond); - if (!curr_arp_slave) { - rtnl_unlock(); - return true; - } + curr_arp_slave = bond_first_slave_rcu(bond); + if (!curr_arp_slave) + return should_notify_rtnl; } - bond_set_slave_inactive_flags(curr_arp_slave); + bond_set_slave_inactive_flags(curr_arp_slave, BOND_SLAVE_NOTIFY_LATER); - bond_for_each_slave(bond, slave, iter) { + bond_for_each_slave_rcu(bond, slave, iter) { if (!found && !before && IS_UP(slave->dev)) before = slave; @@ -2677,7 +2679,8 @@ static bool bond_ab_arp_probe(struct bonding *bond) if (slave->link_failure_count < UINT_MAX) slave->link_failure_count++; - bond_set_slave_inactive_flags(slave); + bond_set_slave_inactive_flags(slave, + BOND_SLAVE_NOTIFY_LATER); pr_info("%s: backup interface %s is now down.\n", bond->dev->name, slave->dev->name); @@ -2689,26 +2692,31 @@ static bool bond_ab_arp_probe(struct bonding *bond) if (!new_slave && before) new_slave = before; - if (!new_slave) { - rtnl_unlock(); - return true; - } + if (!new_slave) + goto check_state; new_slave->link = BOND_LINK_BACK; - bond_set_slave_active_flags(new_slave); + bond_set_slave_active_flags(new_slave, BOND_SLAVE_NOTIFY_LATER); bond_arp_send_all(bond, new_slave); new_slave->jiffies = jiffies; rcu_assign_pointer(bond->current_arp_slave, new_slave); - rtnl_unlock(); - return true; +check_state: + bond_for_each_slave_rcu(bond, slave, iter) { + if (slave->should_notify) { + should_notify_rtnl = BOND_SLAVE_NOTIFY_NOW; + break; + } + } + return should_notify_rtnl; } static void bond_activebackup_arp_mon(struct work_struct *work) { struct bonding *bond = container_of(work, struct bonding, arp_work.work); - bool should_notify_peers = false, should_commit = false; + bool should_notify_peers = false; + bool should_notify_rtnl = false; int delta_in_ticks; delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); @@ -2717,11 +2725,12 @@ static void bond_activebackup_arp_mon(struct work_struct *work) goto re_arm; rcu_read_lock(); + should_notify_peers = bond_should_notify_peers(bond); - should_commit = bond_ab_arp_inspect(bond); - rcu_read_unlock(); - if (should_commit) { + if (bond_ab_arp_inspect(bond)) { + rcu_read_unlock(); + /* Race avoidance with bond_close flush of workqueue */ if (!rtnl_trylock()) { delta_in_ticks = 1; @@ -2730,23 +2739,28 @@ static void bond_activebackup_arp_mon(struct work_struct *work) } bond_ab_arp_commit(bond); + rtnl_unlock(); + rcu_read_lock(); } - if (!bond_ab_arp_probe(bond)) { - /* rtnl locking failed, re-arm */ - delta_in_ticks = 1; - should_notify_peers = false; - } + should_notify_rtnl = bond_ab_arp_probe(bond); + rcu_read_unlock(); re_arm: if (bond->params.arp_interval) queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); - if (should_notify_peers) { + if (should_notify_peers || should_notify_rtnl) { if (!rtnl_trylock()) return; - call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); + + if (should_notify_peers) + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, + bond->dev); + if (should_notify_rtnl) + bond_slave_state_notify(bond); + rtnl_unlock(); } } @@ -3046,9 +3060,11 @@ static int bond_open(struct net_device *bond_dev) bond_for_each_slave(bond, slave, iter) { if ((bond->params.mode == BOND_MODE_ACTIVEBACKUP) && (slave != bond->curr_active_slave)) { - bond_set_slave_inactive_flags(slave); + bond_set_slave_inactive_flags(slave, + BOND_SLAVE_NOTIFY_NOW); } else { - bond_set_slave_active_flags(slave); + bond_set_slave_active_flags(slave, + BOND_SLAVE_NOTIFY_NOW); } } read_unlock(&bond->curr_slave_lock); diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index c37878432717..298c26509095 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -121,6 +121,7 @@ static struct bond_opt_value bond_resend_igmp_tbl[] = { static struct bond_opt_value bond_lp_interval_tbl[] = { { "minval", 1, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, { "maxval", INT_MAX, BOND_VALFLAG_MAX}, + { NULL, -1, 0}, }; static struct bond_option bond_opts[] = { diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 86ccfb9f71cc..2b0fdec695f7 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -195,7 +195,8 @@ struct slave { s8 new_link; u8 backup:1, /* indicates backup slave. Value corresponds with BOND_STATE_ACTIVE and BOND_STATE_BACKUP */ - inactive:1; /* indicates inactive slave */ + inactive:1, /* indicates inactive slave */ + should_notify:1; /* indicateds whether the state changed */ u8 duplex; u32 original_mtu; u32 link_failure_count; @@ -303,6 +304,24 @@ static inline void bond_set_backup_slave(struct slave *slave) } } +static inline void bond_set_slave_state(struct slave *slave, + int slave_state, bool notify) +{ + if (slave->backup == slave_state) + return; + + slave->backup = slave_state; + if (notify) { + rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL); + slave->should_notify = 0; + } else { + if (slave->should_notify) + slave->should_notify = 0; + else + slave->should_notify = 1; + } +} + static inline void bond_slave_state_change(struct bonding *bond) { struct list_head *iter; @@ -316,6 +335,19 @@ static inline void bond_slave_state_change(struct bonding *bond) } } +static inline void bond_slave_state_notify(struct bonding *bond) +{ + struct list_head *iter; + struct slave *tmp; + + bond_for_each_slave(bond, tmp, iter) { + if (tmp->should_notify) { + rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_KERNEL); + tmp->should_notify = 0; + } + } +} + static inline int bond_slave_state(struct slave *slave) { return slave->backup; @@ -343,6 +375,9 @@ static inline bool bond_is_active_slave(struct slave *slave) #define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \ BOND_ARP_VALIDATE_BACKUP) +#define BOND_SLAVE_NOTIFY_NOW true +#define BOND_SLAVE_NOTIFY_LATER false + static inline int slave_do_arp_validate(struct bonding *bond, struct slave *slave) { @@ -394,17 +429,19 @@ static inline void bond_netpoll_send_skb(const struct slave *slave, } #endif -static inline void bond_set_slave_inactive_flags(struct slave *slave) +static inline void bond_set_slave_inactive_flags(struct slave *slave, + bool notify) { if (!bond_is_lb(slave->bond)) - bond_set_backup_slave(slave); + bond_set_slave_state(slave, BOND_STATE_BACKUP, notify); if (!slave->bond->params.all_slaves_active) slave->inactive = 1; } -static inline void bond_set_slave_active_flags(struct slave *slave) +static inline void bond_set_slave_active_flags(struct slave *slave, + bool notify) { - bond_set_active_slave(slave); + bond_set_slave_state(slave, BOND_STATE_ACTIVE, notify); slave->inactive = 0; } diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 320bef2dba42..61376abdab39 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -144,6 +144,8 @@ #define FLEXCAN_MB_CODE_MASK (0xf0ffffff) +#define FLEXCAN_TIMEOUT_US (50) + /* * FLEXCAN hardware feature flags * @@ -262,6 +264,22 @@ static inline void flexcan_write(u32 val, void __iomem *addr) } #endif +static inline int flexcan_transceiver_enable(const struct flexcan_priv *priv) +{ + if (!priv->reg_xceiver) + return 0; + + return regulator_enable(priv->reg_xceiver); +} + +static inline int flexcan_transceiver_disable(const struct flexcan_priv *priv) +{ + if (!priv->reg_xceiver) + return 0; + + return regulator_disable(priv->reg_xceiver); +} + static inline int flexcan_has_and_handle_berr(const struct flexcan_priv *priv, u32 reg_esr) { @@ -269,26 +287,95 @@ static inline int flexcan_has_and_handle_berr(const struct flexcan_priv *priv, (reg_esr & FLEXCAN_ESR_ERR_BUS); } -static inline void flexcan_chip_enable(struct flexcan_priv *priv) +static int flexcan_chip_enable(struct flexcan_priv *priv) { struct flexcan_regs __iomem *regs = priv->base; + unsigned int timeout = FLEXCAN_TIMEOUT_US / 10; u32 reg; reg = flexcan_read(®s->mcr); reg &= ~FLEXCAN_MCR_MDIS; flexcan_write(reg, ®s->mcr); - udelay(10); + while (timeout-- && (flexcan_read(®s->mcr) & FLEXCAN_MCR_LPM_ACK)) + usleep_range(10, 20); + + if (flexcan_read(®s->mcr) & FLEXCAN_MCR_LPM_ACK) + return -ETIMEDOUT; + + return 0; } -static inline void flexcan_chip_disable(struct flexcan_priv *priv) +static int flexcan_chip_disable(struct flexcan_priv *priv) { struct flexcan_regs __iomem *regs = priv->base; + unsigned int timeout = FLEXCAN_TIMEOUT_US / 10; u32 reg; reg = flexcan_read(®s->mcr); reg |= FLEXCAN_MCR_MDIS; flexcan_write(reg, ®s->mcr); + + while (timeout-- && !(flexcan_read(®s->mcr) & FLEXCAN_MCR_LPM_ACK)) + usleep_range(10, 20); + + if (!(flexcan_read(®s->mcr) & FLEXCAN_MCR_LPM_ACK)) + return -ETIMEDOUT; + + return 0; +} + +static int flexcan_chip_freeze(struct flexcan_priv *priv) +{ + struct flexcan_regs __iomem *regs = priv->base; + unsigned int timeout = 1000 * 1000 * 10 / priv->can.bittiming.bitrate; + u32 reg; + + reg = flexcan_read(®s->mcr); + reg |= FLEXCAN_MCR_HALT; + flexcan_write(reg, ®s->mcr); + + while (timeout-- && !(flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK)) + usleep_range(100, 200); + + if (!(flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK)) + return -ETIMEDOUT; + + return 0; +} + +static int flexcan_chip_unfreeze(struct flexcan_priv *priv) +{ + struct flexcan_regs __iomem *regs = priv->base; + unsigned int timeout = FLEXCAN_TIMEOUT_US / 10; + u32 reg; + + reg = flexcan_read(®s->mcr); + reg &= ~FLEXCAN_MCR_HALT; + flexcan_write(reg, ®s->mcr); + + while (timeout-- && (flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK)) + usleep_range(10, 20); + + if (flexcan_read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK) + return -ETIMEDOUT; + + return 0; +} + +static int flexcan_chip_softreset(struct flexcan_priv *priv) +{ + struct flexcan_regs __iomem *regs = priv->base; + unsigned int timeout = FLEXCAN_TIMEOUT_US / 10; + + flexcan_write(FLEXCAN_MCR_SOFTRST, ®s->mcr); + while (timeout-- && (flexcan_read(®s->mcr) & FLEXCAN_MCR_SOFTRST)) + usleep_range(10, 20); + + if (flexcan_read(®s->mcr) & FLEXCAN_MCR_SOFTRST) + return -ETIMEDOUT; + + return 0; } static int flexcan_get_berr_counter(const struct net_device *dev, @@ -709,19 +796,14 @@ static int flexcan_chip_start(struct net_device *dev) u32 reg_mcr, reg_ctrl; /* enable module */ - flexcan_chip_enable(priv); + err = flexcan_chip_enable(priv); + if (err) + return err; /* soft reset */ - flexcan_write(FLEXCAN_MCR_SOFTRST, ®s->mcr); - udelay(10); - - reg_mcr = flexcan_read(®s->mcr); - if (reg_mcr & FLEXCAN_MCR_SOFTRST) { - netdev_err(dev, "Failed to softreset can module (mcr=0x%08x)\n", - reg_mcr); - err = -ENODEV; - goto out; - } + err = flexcan_chip_softreset(priv); + if (err) + goto out_chip_disable; flexcan_set_bittiming(dev); @@ -788,16 +870,14 @@ static int flexcan_chip_start(struct net_device *dev) if (priv->devtype_data->features & FLEXCAN_HAS_V10_FEATURES) flexcan_write(0x0, ®s->rxfgmask); - if (priv->reg_xceiver) { - err = regulator_enable(priv->reg_xceiver); - if (err) - goto out; - } + err = flexcan_transceiver_enable(priv); + if (err) + goto out_chip_disable; /* synchronize with the can bus */ - reg_mcr = flexcan_read(®s->mcr); - reg_mcr &= ~FLEXCAN_MCR_HALT; - flexcan_write(reg_mcr, ®s->mcr); + err = flexcan_chip_unfreeze(priv); + if (err) + goto out_transceiver_disable; priv->can.state = CAN_STATE_ERROR_ACTIVE; @@ -810,7 +890,9 @@ static int flexcan_chip_start(struct net_device *dev) return 0; - out: + out_transceiver_disable: + flexcan_transceiver_disable(priv); + out_chip_disable: flexcan_chip_disable(priv); return err; } @@ -825,18 +907,17 @@ static void flexcan_chip_stop(struct net_device *dev) { struct flexcan_priv *priv = netdev_priv(dev); struct flexcan_regs __iomem *regs = priv->base; - u32 reg; + + /* freeze + disable module */ + flexcan_chip_freeze(priv); + flexcan_chip_disable(priv); /* Disable all interrupts */ flexcan_write(0, ®s->imask1); + flexcan_write(priv->reg_ctrl_default & ~FLEXCAN_CTRL_ERR_ALL, + ®s->ctrl); - /* Disable + halt module */ - reg = flexcan_read(®s->mcr); - reg |= FLEXCAN_MCR_MDIS | FLEXCAN_MCR_HALT; - flexcan_write(reg, ®s->mcr); - - if (priv->reg_xceiver) - regulator_disable(priv->reg_xceiver); + flexcan_transceiver_disable(priv); priv->can.state = CAN_STATE_STOPPED; return; @@ -866,7 +947,7 @@ static int flexcan_open(struct net_device *dev) /* start chip and queuing */ err = flexcan_chip_start(dev); if (err) - goto out_close; + goto out_free_irq; can_led_event(dev, CAN_LED_EVENT_OPEN); @@ -875,6 +956,8 @@ static int flexcan_open(struct net_device *dev) return 0; + out_free_irq: + free_irq(dev->irq, dev); out_close: close_candev(dev); out_disable_per: @@ -945,12 +1028,16 @@ static int register_flexcandev(struct net_device *dev) goto out_disable_ipg; /* select "bus clock", chip must be disabled */ - flexcan_chip_disable(priv); + err = flexcan_chip_disable(priv); + if (err) + goto out_disable_per; reg = flexcan_read(®s->ctrl); reg |= FLEXCAN_CTRL_CLK_SRC; flexcan_write(reg, ®s->ctrl); - flexcan_chip_enable(priv); + err = flexcan_chip_enable(priv); + if (err) + goto out_chip_disable; /* set freeze, halt and activate FIFO, restrict register access */ reg = flexcan_read(®s->mcr); @@ -967,14 +1054,15 @@ static int register_flexcandev(struct net_device *dev) if (!(reg & FLEXCAN_MCR_FEN)) { netdev_err(dev, "Could not enable RX FIFO, unsupported core\n"); err = -ENODEV; - goto out_disable_per; + goto out_chip_disable; } err = register_candev(dev); - out_disable_per: /* disable core and turn off clocks */ + out_chip_disable: flexcan_chip_disable(priv); + out_disable_per: clk_disable_unprepare(priv->clk_per); out_disable_ipg: clk_disable_unprepare(priv->clk_ipg); @@ -1104,9 +1192,10 @@ static int flexcan_probe(struct platform_device *pdev) static int flexcan_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); + struct flexcan_priv *priv = netdev_priv(dev); unregister_flexcandev(dev); - + netif_napi_del(&priv->napi); free_candev(dev); return 0; @@ -1117,8 +1206,11 @@ static int flexcan_suspend(struct device *device) { struct net_device *dev = dev_get_drvdata(device); struct flexcan_priv *priv = netdev_priv(dev); + int err; - flexcan_chip_disable(priv); + err = flexcan_chip_disable(priv); + if (err) + return err; if (netif_running(dev)) { netif_stop_queue(dev); @@ -1139,9 +1231,7 @@ static int flexcan_resume(struct device *device) netif_device_attach(dev); netif_start_queue(dev); } - flexcan_chip_enable(priv); - - return 0; + return flexcan_chip_enable(priv); } #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index 1f7b5aa114fa..8a7bf7dad898 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -1484,6 +1484,10 @@ static int b44_open(struct net_device *dev) add_timer(&bp->timer); b44_enable_ints(bp); + + if (bp->flags & B44_FLAG_EXTERNAL_PHY) + phy_start(bp->phydev); + netif_start_queue(dev); out: return err; @@ -1646,6 +1650,9 @@ static int b44_close(struct net_device *dev) netif_stop_queue(dev); + if (bp->flags & B44_FLAG_EXTERNAL_PHY) + phy_stop(bp->phydev); + napi_disable(&bp->napi); del_timer_sync(&bp->timer); @@ -2222,7 +2229,12 @@ static void b44_adjust_link(struct net_device *dev) } if (status_changed) { - b44_check_phy(bp); + u32 val = br32(bp, B44_TX_CTRL); + if (bp->flags & B44_FLAG_FULL_DUPLEX) + val |= TX_CTRL_DUPLEX; + else + val &= ~TX_CTRL_DUPLEX; + bw32(bp, B44_TX_CTRL, val); phy_print_status(phydev); } } diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index cda25ac45b47..6c9e1c9bdeb8 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -2507,6 +2507,7 @@ bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) bp->fw_wr_seq++; msg_data |= bp->fw_wr_seq; + bp->fw_last_msg = msg_data; bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); @@ -4000,8 +4001,23 @@ bnx2_setup_wol(struct bnx2 *bp) wol_msg = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; } - if (!(bp->flags & BNX2_FLAG_NO_WOL)) - bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT3 | wol_msg, 1, 0); + if (!(bp->flags & BNX2_FLAG_NO_WOL)) { + u32 val; + + wol_msg |= BNX2_DRV_MSG_DATA_WAIT3; + if (bp->fw_last_msg || BNX2_CHIP(bp) != BNX2_CHIP_5709) { + bnx2_fw_sync(bp, wol_msg, 1, 0); + return; + } + /* Tell firmware not to power down the PHY yet, otherwise + * the chip will take a long time to respond to MMIO reads. + */ + val = bnx2_shmem_rd(bp, BNX2_PORT_FEATURE); + bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, + val | BNX2_PORT_FEATURE_ASF_ENABLED); + bnx2_fw_sync(bp, wol_msg, 1, 0); + bnx2_shmem_wr(bp, BNX2_PORT_FEATURE, val); + } } @@ -4033,9 +4049,22 @@ bnx2_set_power_state(struct bnx2 *bp, pci_power_t state) if (bp->wol) pci_set_power_state(bp->pdev, PCI_D3hot); - } else { - pci_set_power_state(bp->pdev, PCI_D3hot); + break; + + } + if (!bp->fw_last_msg && BNX2_CHIP(bp) == BNX2_CHIP_5709) { + u32 val; + + /* Tell firmware not to power down the PHY yet, + * otherwise the other port may not respond to + * MMIO reads. + */ + val = bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION); + val &= ~BNX2_CONDITION_PM_STATE_MASK; + val |= BNX2_CONDITION_PM_STATE_UNPREP; + bnx2_shmem_wr(bp, BNX2_BC_STATE_CONDITION, val); } + pci_set_power_state(bp->pdev, PCI_D3hot); /* No more memory access after this point until * device is brought back to D0. diff --git a/drivers/net/ethernet/broadcom/bnx2.h b/drivers/net/ethernet/broadcom/bnx2.h index f1cf2c44e7ed..e341bc366fa5 100644 --- a/drivers/net/ethernet/broadcom/bnx2.h +++ b/drivers/net/ethernet/broadcom/bnx2.h @@ -6900,6 +6900,7 @@ struct bnx2 { u16 fw_wr_seq; u16 fw_drv_pulse_wr_seq; + u32 fw_last_msg; int rx_max_ring; int rx_ring_size; @@ -7406,6 +7407,10 @@ struct bnx2_rv2p_fw_file { #define BNX2_CONDITION_MFW_RUN_NCSI 0x00006000 #define BNX2_CONDITION_MFW_RUN_NONE 0x0000e000 #define BNX2_CONDITION_MFW_RUN_MASK 0x0000e000 +#define BNX2_CONDITION_PM_STATE_MASK 0x00030000 +#define BNX2_CONDITION_PM_STATE_FULL 0x00030000 +#define BNX2_CONDITION_PM_STATE_PREP 0x00020000 +#define BNX2_CONDITION_PM_STATE_UNPREP 0x00010000 #define BNX2_BC_STATE_DEBUG_CMD 0x1dc #define BNX2_BC_STATE_BC_DBG_CMD_SIGNATURE 0x42440000 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 66c0df78c3ff..dbcff509dc3f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3875,7 +3875,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) xmit_type); } - /* Add the macs to the parsing BD this is a vf */ + /* Add the macs to the parsing BD if this is a vf or if + * Tx Switching is enabled. + */ if (IS_VF(bp)) { /* override GRE parameters in BD */ bnx2x_set_fw_mac_addr(&pbd_e2->data.mac_addr.src_hi, @@ -3887,6 +3889,11 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) &pbd_e2->data.mac_addr.dst_mid, &pbd_e2->data.mac_addr.dst_lo, eth->h_dest); + } else if (bp->flags & TX_SWITCHING) { + bnx2x_set_fw_mac_addr(&pbd_e2->data.mac_addr.dst_hi, + &pbd_e2->data.mac_addr.dst_mid, + &pbd_e2->data.mac_addr.dst_lo, + eth->h_dest); } SET_FLAG(pbd_e2_parsing_data, diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 3167ed6593b0..3b6d0ba86c71 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6843,8 +6843,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) work_mask |= opaque_key; - if ((desc->err_vlan & RXD_ERR_MASK) != 0 && - (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) { + if (desc->err_vlan & RXD_ERR_MASK) { drop_it: tg3_recycle_rx(tnapi, tpr, opaque_key, desc_idx, *post_ptr); diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index ef472385bce4..04321e5a356e 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -2608,7 +2608,11 @@ struct tg3_rx_buffer_desc { #define RXD_ERR_TOO_SMALL 0x00400000 #define RXD_ERR_NO_RESOURCES 0x00800000 #define RXD_ERR_HUGE_FRAME 0x01000000 -#define RXD_ERR_MASK 0xffff0000 + +#define RXD_ERR_MASK (RXD_ERR_BAD_CRC | RXD_ERR_COLLISION | \ + RXD_ERR_LINK_LOST | RXD_ERR_PHY_DECODE | \ + RXD_ERR_MAC_ABRT | RXD_ERR_TOO_SMALL | \ + RXD_ERR_NO_RESOURCES | RXD_ERR_HUGE_FRAME) u32 reserved; u32 opaque; diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index 1803c3959044..354ae9792bad 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -1704,7 +1704,7 @@ bfa_flash_sem_get(void __iomem *bar) while (!bfa_raw_sem_get(bar)) { if (--n <= 0) return BFA_STATUS_BADFLASH; - udelay(10000); + mdelay(10); } return BFA_STATUS_OK; } diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index cf64f3d0b60d..4ad1187e82fb 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -707,7 +707,8 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) else skb_checksum_none_assert(skb); - if (flags & BNA_CQ_EF_VLAN) + if ((flags & BNA_CQ_EF_VLAN) && + (bnad->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(cmpl->vlan_tag)); if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type)) @@ -2094,7 +2095,9 @@ bnad_init_rx_config(struct bnad *bnad, struct bna_rx_config *rx_config) rx_config->q1_buf_size = BFI_SMALL_RXBUF_SIZE; } - rx_config->vlan_strip_status = BNA_STATUS_T_ENABLED; + rx_config->vlan_strip_status = + (bnad->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) ? + BNA_STATUS_T_ENABLED : BNA_STATUS_T_DISABLED; } static void @@ -3245,11 +3248,6 @@ bnad_set_rx_mode(struct net_device *netdev) BNA_RXMODE_ALLMULTI; bna_rx_mode_set(bnad->rx_info[0].rx, new_mode, mode_mask, NULL); - if (bnad->cfg_flags & BNAD_CF_PROMISC) - bna_rx_vlan_strip_disable(bnad->rx_info[0].rx); - else - bna_rx_vlan_strip_enable(bnad->rx_info[0].rx); - spin_unlock_irqrestore(&bnad->bna_lock, flags); } @@ -3374,6 +3372,27 @@ bnad_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) return 0; } +static int bnad_set_features(struct net_device *dev, netdev_features_t features) +{ + struct bnad *bnad = netdev_priv(dev); + netdev_features_t changed = features ^ dev->features; + + if ((changed & NETIF_F_HW_VLAN_CTAG_RX) && netif_running(dev)) { + unsigned long flags; + + spin_lock_irqsave(&bnad->bna_lock, flags); + + if (features & NETIF_F_HW_VLAN_CTAG_RX) + bna_rx_vlan_strip_enable(bnad->rx_info[0].rx); + else + bna_rx_vlan_strip_disable(bnad->rx_info[0].rx); + + spin_unlock_irqrestore(&bnad->bna_lock, flags); + } + + return 0; +} + #ifdef CONFIG_NET_POLL_CONTROLLER static void bnad_netpoll(struct net_device *netdev) @@ -3421,6 +3440,7 @@ static const struct net_device_ops bnad_netdev_ops = { .ndo_change_mtu = bnad_change_mtu, .ndo_vlan_rx_add_vid = bnad_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = bnad_vlan_rx_kill_vid, + .ndo_set_features = bnad_set_features, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = bnad_netpoll #endif @@ -3433,14 +3453,14 @@ bnad_netdev_init(struct bnad *bnad, bool using_dac) netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_TX; + NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6; - netdev->features |= netdev->hw_features | - NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; + netdev->features |= netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER; if (using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 3190d38e16fb..d0c38e01e99f 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -632,11 +632,16 @@ static void gem_rx_refill(struct macb *bp) "Unable to allocate sk_buff\n"); break; } - bp->rx_skbuff[entry] = skb; /* now fill corresponding descriptor entry */ paddr = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buffer_size, DMA_FROM_DEVICE); + if (dma_mapping_error(&bp->pdev->dev, paddr)) { + dev_kfree_skb(skb); + break; + } + + bp->rx_skbuff[entry] = skb; if (entry == RX_RING_SIZE - 1) paddr |= MACB_BIT(RX_WRAP); @@ -725,7 +730,7 @@ static int gem_rx(struct macb *bp, int budget) skb_put(skb, len); addr = MACB_BF(RX_WADDR, MACB_BFEXT(RX_WADDR, addr)); dma_unmap_single(&bp->pdev->dev, addr, - len, DMA_FROM_DEVICE); + bp->rx_buffer_size, DMA_FROM_DEVICE); skb->protocol = eth_type_trans(skb, bp->dev); skb_checksum_none_assert(skb); @@ -1036,11 +1041,15 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) } entry = macb_tx_ring_wrap(bp->tx_head); - bp->tx_head++; netdev_vdbg(bp->dev, "Allocated ring entry %u\n", entry); mapping = dma_map_single(&bp->pdev->dev, skb->data, len, DMA_TO_DEVICE); + if (dma_mapping_error(&bp->pdev->dev, mapping)) { + kfree_skb(skb); + goto unlock; + } + bp->tx_head++; tx_skb = &bp->tx_skb[entry]; tx_skb->skb = skb; tx_skb->mapping = mapping; @@ -1066,6 +1075,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) if (CIRC_SPACE(bp->tx_head, bp->tx_tail, TX_RING_SIZE) < 1) netif_stop_queue(dev); +unlock: spin_unlock_irqrestore(&bp->lock, flags); return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 43ab35fea48d..34e2488767d9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -6179,6 +6179,7 @@ static struct pci_driver cxgb4_driver = { .id_table = cxgb4_pci_tbl, .probe = init_one, .remove = remove_one, + .shutdown = remove_one, .err_handler = &cxgb4_eeh, }; diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 8d09615da585..05529e273050 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -350,11 +350,13 @@ struct be_drv_stats { u32 roce_drops_crc; }; +/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ +#define BE_RESET_VLAN_TAG_ID 0xFFFF + struct be_vf_cfg { unsigned char mac_addr[ETH_ALEN]; int if_handle; int pmac_id; - u16 def_vid; u16 vlan_tag; u32 tx_rate; }; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 04ac9c6a0d39..36c80612e21a 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -913,24 +913,14 @@ static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); } -static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, - struct sk_buff *skb, - bool *skip_hw_vlan) +static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter, + struct sk_buff *skb, + bool *skip_hw_vlan) { struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; unsigned int eth_hdr_len; struct iphdr *ip; - /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less - * may cause a transmit stall on that port. So the work-around is to - * pad short packets (<= 32 bytes) to a 36-byte length. - */ - if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { - if (skb_padto(skb, 36)) - goto tx_drop; - skb->len = 36; - } - /* For padded packets, BE HW modifies tot_len field in IP header * incorrecly when VLAN tag is inserted by HW. * For padded packets, Lancer computes incorrect checksum. @@ -959,7 +949,7 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, vlan_tx_tag_present(skb)) { skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); if (unlikely(!skb)) - goto tx_drop; + goto err; } /* HW may lockup when VLAN HW tagging is requested on @@ -981,15 +971,39 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, be_vlan_tag_tx_chk(adapter, skb)) { skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); if (unlikely(!skb)) - goto tx_drop; + goto err; } return skb; tx_drop: dev_kfree_skb_any(skb); +err: return NULL; } +static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, + struct sk_buff *skb, + bool *skip_hw_vlan) +{ + /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or + * less may cause a transmit stall on that port. So the work-around is + * to pad short packets (<= 32 bytes) to a 36-byte length. + */ + if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { + if (skb_padto(skb, 36)) + return NULL; + skb->len = 36; + } + + if (BEx_chip(adapter) || lancer_chip(adapter)) { + skb = be_lancer_xmit_workarounds(adapter, skb, skip_hw_vlan); + if (!skb) + return NULL; + } + + return skb; +} + static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -1157,6 +1171,14 @@ ret: return status; } +static void be_clear_promisc(struct be_adapter *adapter) +{ + adapter->promiscuous = false; + adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; + + be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); +} + static void be_set_rx_mode(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -1170,9 +1192,7 @@ static void be_set_rx_mode(struct net_device *netdev) /* BE was previously in promiscuous mode; disable it */ if (adapter->promiscuous) { - adapter->promiscuous = false; - be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); - + be_clear_promisc(adapter); if (adapter->vlans_added) be_vid_config(adapter); } @@ -1287,24 +1307,20 @@ static int be_set_vf_vlan(struct net_device *netdev, if (vlan || qos) { vlan |= qos << VLAN_PRIO_SHIFT; - if (vf_cfg->vlan_tag != vlan) { - /* If this is new value, program it. Else skip. */ - vf_cfg->vlan_tag = vlan; + if (vf_cfg->vlan_tag != vlan) status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, vf_cfg->if_handle, 0); - } } else { /* Reset Transparent Vlan Tagging. */ - vf_cfg->vlan_tag = 0; - vlan = vf_cfg->def_vid; - status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, - vf_cfg->if_handle, 0); + status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, + vf + 1, vf_cfg->if_handle, 0); } - - if (status) + if (!status) + vf_cfg->vlan_tag = vlan; + else dev_info(&adapter->pdev->dev, - "VLAN %d config on VF %d failed\n", vlan, vf); + "VLAN %d config on VF %d failed\n", vlan, vf); return status; } @@ -3013,11 +3029,11 @@ static int be_vf_setup_init(struct be_adapter *adapter) static int be_vf_setup(struct be_adapter *adapter) { + struct device *dev = &adapter->pdev->dev; struct be_vf_cfg *vf_cfg; - u16 def_vlan, lnk_speed; int status, old_vfs, vf; - struct device *dev = &adapter->pdev->dev; u32 privileges; + u16 lnk_speed; old_vfs = pci_num_vf(adapter->pdev); if (old_vfs) { @@ -3084,12 +3100,6 @@ static int be_vf_setup(struct be_adapter *adapter) if (!status) vf_cfg->tx_rate = lnk_speed; - status = be_cmd_get_hsw_config(adapter, &def_vlan, - vf + 1, vf_cfg->if_handle, NULL); - if (status) - goto err; - vf_cfg->def_vid = def_vlan; - if (!old_vfs) be_cmd_enable_vf(adapter, vf + 1); } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 903362a7b584..03a351300013 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -389,12 +389,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) netdev_err(ndev, "Tx DMA memory map failed\n"); return NETDEV_TX_OK; } - /* Send it on its way. Tell FEC it's ready, interrupt when done, - * it's the last BD of the frame, and to put the CRC on the end. - */ - status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR - | BD_ENET_TX_LAST | BD_ENET_TX_TC); - bdp->cbd_sc = status; if (fep->bufdesc_ex) { @@ -416,6 +410,13 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) } } + /* Send it on its way. Tell FEC it's ready, interrupt when done, + * it's the last BD of the frame, and to put the CRC on the end. + */ + status |= (BD_ENET_TX_READY | BD_ENET_TX_INTR + | BD_ENET_TX_LAST | BD_ENET_TX_TC); + bdp->cbd_sc = status; + bdp_pre = fec_enet_get_prevdesc(bdp, fep); if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { @@ -527,13 +528,6 @@ fec_restart(struct net_device *ndev, int duplex) /* Clear any outstanding interrupt. */ writel(0xffc00000, fep->hwp + FEC_IEVENT); - /* Setup multicast filter. */ - set_multicast_list(ndev); -#ifndef CONFIG_M5272 - writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); - writel(0, fep->hwp + FEC_HASH_TABLE_LOW); -#endif - /* Set maximum receive buffer size. */ writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE); @@ -654,6 +648,13 @@ fec_restart(struct net_device *ndev, int duplex) writel(rcntl, fep->hwp + FEC_R_CNTRL); + /* Setup multicast filter. */ + set_multicast_list(ndev); +#ifndef CONFIG_M5272 + writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); + writel(0, fep->hwp + FEC_HASH_TABLE_LOW); +#endif + if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { /* enable ENET endian swap */ ecntl |= (1 << 8); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 4be971590461..1fc8334fc181 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -522,10 +522,21 @@ retry: return rc; } +static u64 ibmveth_encode_mac_addr(u8 *mac) +{ + int i; + u64 encoded = 0; + + for (i = 0; i < ETH_ALEN; i++) + encoded = (encoded << 8) | mac[i]; + + return encoded; +} + static int ibmveth_open(struct net_device *netdev) { struct ibmveth_adapter *adapter = netdev_priv(netdev); - u64 mac_address = 0; + u64 mac_address; int rxq_entries = 1; unsigned long lpar_rc; int rc; @@ -579,8 +590,7 @@ static int ibmveth_open(struct net_device *netdev) adapter->rx_queue.num_slots = rxq_entries; adapter->rx_queue.toggle = 1; - memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); - mac_address = mac_address >> 16; + mac_address = ibmveth_encode_mac_addr(netdev->dev_addr); rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | adapter->rx_queue.queue_len; @@ -1183,8 +1193,8 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) /* add the addresses to the filter table */ netdev_for_each_mc_addr(ha, netdev) { /* add the multicast address to the filter table */ - unsigned long mcast_addr = 0; - memcpy(((char *)&mcast_addr)+2, ha->addr, ETH_ALEN); + u64 mcast_addr; + mcast_addr = ibmveth_encode_mac_addr(ha->addr); lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastAddFilter, mcast_addr); @@ -1372,9 +1382,6 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); - adapter->mac_addr = 0; - memcpy(&adapter->mac_addr, mac_addr_p, ETH_ALEN); - netdev->irq = dev->irq; netdev->netdev_ops = &ibmveth_netdev_ops; netdev->ethtool_ops = &netdev_ethtool_ops; @@ -1383,7 +1390,7 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; netdev->features |= netdev->hw_features; - memcpy(netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); + memcpy(netdev->dev_addr, mac_addr_p, ETH_ALEN); for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) { struct kobject *kobj = &adapter->rx_buff_pool[i].kobj; diff --git a/drivers/net/ethernet/ibm/ibmveth.h b/drivers/net/ethernet/ibm/ibmveth.h index 451ba7949e15..1f37499d4398 100644 --- a/drivers/net/ethernet/ibm/ibmveth.h +++ b/drivers/net/ethernet/ibm/ibmveth.h @@ -138,7 +138,6 @@ struct ibmveth_adapter { struct napi_struct napi; struct net_device_stats stats; unsigned int mcastFilterSize; - unsigned long mac_addr; void * buffer_list_addr; void * filter_list_addr; dma_addr_t buffer_list_dma; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index fad45316200a..84a96f70dfb5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -742,6 +742,14 @@ static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn, err = mlx4_en_uc_steer_add(priv, new_mac, &qpn, &entry->reg_id); + if (err) + return err; + if (priv->tunnel_reg_id) { + mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id); + priv->tunnel_reg_id = 0; + } + err = mlx4_en_tunnel_steer_add(priv, new_mac, qpn, + &priv->tunnel_reg_id); return err; } } @@ -1792,6 +1800,8 @@ void mlx4_en_stop_port(struct net_device *dev, int detach) mc_list[5] = priv->port; mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list, MLX4_PROT_ETH, mclist->reg_id); + if (mclist->tunnel_reg_id) + mlx4_flow_detach(mdev->dev, mclist->tunnel_reg_id); } mlx4_en_clear_list(dev); list_for_each_entry_safe(mclist, tmp, &priv->curr_list, list) { diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 91b69ff4b4a2..7e2995ecea6f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -129,13 +129,14 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [0] = "RSS support", [1] = "RSS Toeplitz Hash Function support", [2] = "RSS XOR Hash Function support", - [3] = "Device manage flow steering support", + [3] = "Device managed flow steering support", [4] = "Automatic MAC reassignment support", [5] = "Time stamping support", [6] = "VST (control vlan insertion/stripping) support", [7] = "FSM (MAC anti-spoofing) support", [8] = "Dynamic QP updates support", - [9] = "TCP/IP offloads/flow-steering for VXLAN support" + [9] = "Device managed flow steering IPoIB support", + [10] = "TCP/IP offloads/flow-steering for VXLAN support" }; int i; @@ -859,7 +860,7 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); /* For guests, disable vxlan tunneling */ - MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN); + MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN); field &= 0xf7; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN); @@ -869,7 +870,7 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); /* For guests, disable mw type 2 */ - MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); + MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); @@ -883,7 +884,7 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, } /* turn off ipoib managed steering for guests */ - MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); + MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); field &= ~0x80; MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d711158b0d4b..936c15364739 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -150,6 +150,8 @@ struct mlx4_port_config { struct pci_dev *pdev; }; +static atomic_t pf_loading = ATOMIC_INIT(0); + int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type) { @@ -749,7 +751,7 @@ static void mlx4_request_modules(struct mlx4_dev *dev) has_eth_port = true; } - if (has_ib_port) + if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) request_module_nowait(IB_DRV_NAME); if (has_eth_port) request_module_nowait(EN_DRV_NAME); @@ -1407,6 +1409,11 @@ static int mlx4_init_slave(struct mlx4_dev *dev) u32 slave_read; u32 cmd_channel_ver; + if (atomic_read(&pf_loading)) { + mlx4_warn(dev, "PF is not ready. Deferring probe\n"); + return -EPROBE_DEFER; + } + mutex_lock(&priv->cmd.slave_cmd_mutex); priv->cmd.max_cmds = 1; mlx4_warn(dev, "Sending reset\n"); @@ -2319,7 +2326,11 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data) if (num_vfs) { mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", num_vfs); + + atomic_inc(&pf_loading); err = pci_enable_sriov(pdev, num_vfs); + atomic_dec(&pf_loading); + if (err) { mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d).\n", err); @@ -2684,6 +2695,7 @@ static struct pci_driver mlx4_driver = { .name = DRV_NAME, .id_table = mlx4_pci_table, .probe = mlx4_init_one, + .shutdown = mlx4_remove_one, .remove = mlx4_remove_one, .err_handler = &mlx4_err_handler, }; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 6b65f7795215..7aec6c833973 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -51,8 +51,8 @@ #define DRV_NAME "mlx4_core" #define PFX DRV_NAME ": " -#define DRV_VERSION "1.1" -#define DRV_RELDATE "Dec, 2011" +#define DRV_VERSION "2.2-1" +#define DRV_RELDATE "Feb, 2014" #define MLX4_FS_UDP_UC_EN (1 << 1) #define MLX4_FS_TCP_UC_EN (1 << 2) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 9ca223bc90fc..b57e8c87a34e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -57,8 +57,8 @@ #include "en_port.h" #define DRV_NAME "mlx4_en" -#define DRV_VERSION "2.0" -#define DRV_RELDATE "Dec 2011" +#define DRV_VERSION "2.2-1" +#define DRV_RELDATE "Feb 2014" #define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index a064f06e0cb8..23b7e2d35a93 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -46,8 +46,8 @@ #include "mlx5_core.h" #define DRIVER_NAME "mlx5_core" -#define DRIVER_VERSION "1.0" -#define DRIVER_RELDATE "June 2013" +#define DRIVER_VERSION "2.2-1" +#define DRIVER_RELDATE "Feb 2014" MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); MODULE_DESCRIPTION("Mellanox ConnectX-IB HCA core library"); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 4146664d4d6a..27c4f131863b 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -340,6 +340,7 @@ int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) if (qlcnic_sriov_vf_check(adapter)) return -EINVAL; num_msix = 1; + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; adapter->drv_tx_rings = QLCNIC_SINGLE_RING; } } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c index 77f1bce432d2..7d4f54912bad 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c @@ -807,7 +807,7 @@ qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio, !type->tc_param_valid) return; - if (tc < 0 || (tc > QLC_DCB_MAX_TC)) + if (tc < 0 || (tc >= QLC_DCB_MAX_TC)) return; tc_cfg = &type->tc_cfg[tc]; @@ -843,7 +843,7 @@ static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid, !type->tc_param_valid) return; - if (pgid < 0 || pgid > QLC_DCB_MAX_PG) + if (pgid < 0 || pgid >= QLC_DCB_MAX_PG) return; pgcfg = &type->pg_cfg[pgid]; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index ba78c7481fa3..1222865cfb73 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -816,9 +816,10 @@ static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { qlcnic_disable_multi_tx(adapter); + adapter->drv_sds_rings = QLCNIC_SINGLE_RING; err = qlcnic_enable_msi_legacy(adapter); - if (!err) + if (err) return err; } } @@ -3863,7 +3864,7 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, strcpy(buf, "Tx"); } - if (!qlcnic_use_msi_x && !qlcnic_use_msi) { + if (!QLCNIC_IS_MSI_FAMILY(adapter)) { netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 09acf15c3a56..e5277a632671 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -13,8 +13,6 @@ #define QLC_VF_MIN_TX_RATE 100 #define QLC_VF_MAX_TX_RATE 9999 #define QLC_MAC_OPCODE_MASK 0x7 -#define QLC_MAC_STAR_ADD 6 -#define QLC_MAC_STAR_DEL 7 #define QLC_VF_FLOOD_BIT BIT_16 #define QLC_FLOOD_MODE 0x5 @@ -1206,13 +1204,6 @@ static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter, struct qlcnic_vport *vp = vf->vp; u8 op, new_op; - if (((cmd->req.arg[1] & QLC_MAC_OPCODE_MASK) == QLC_MAC_STAR_ADD) || - ((cmd->req.arg[1] & QLC_MAC_OPCODE_MASK) == QLC_MAC_STAR_DEL)) { - netdev_err(adapter->netdev, "MAC + any VLAN filter not allowed from VF %d\n", - vf->pci_func); - return -EINVAL; - } - if (!(cmd->req.arg[1] & BIT_8)) return -EINVAL; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 91a67ae8f17b..3ff7bc3e7a23 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -209,7 +209,7 @@ static const struct { [RTL_GIGA_MAC_VER_16] = _R("RTL8101e", RTL_TD_0, NULL, JUMBO_1K, true), [RTL_GIGA_MAC_VER_17] = - _R("RTL8168b/8111b", RTL_TD_1, NULL, JUMBO_4K, false), + _R("RTL8168b/8111b", RTL_TD_0, NULL, JUMBO_4K, false), [RTL_GIGA_MAC_VER_18] = _R("RTL8168cp/8111cp", RTL_TD_1, NULL, JUMBO_6K, false), [RTL_GIGA_MAC_VER_19] = @@ -7118,6 +7118,8 @@ rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } mutex_init(&tp->wk.mutex); + u64_stats_init(&tp->rx_stats.syncp); + u64_stats_init(&tp->tx_stats.syncp); /* Get MAC address */ for (i = 0; i < ETH_ALEN; i++) diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index eb75fbd11a01..d7a36829649a 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -1668,6 +1668,13 @@ void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev) struct efx_ptp_data *ptp = efx->ptp_data; int code = EFX_QWORD_FIELD(*ev, MCDI_EVENT_CODE); + if (!ptp) { + if (net_ratelimit()) + netif_warn(efx, drv, efx->net_dev, + "Received PTP event but PTP not set up\n"); + return; + } + if (!ptp->enabled) return; diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index 72d282bf33a5..c553f6b5a913 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -151,7 +151,7 @@ static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) sizeof(struct dma_desc))); } -const struct stmmac_chain_mode_ops chain_mode_ops = { +const struct stmmac_mode_ops chain_mode_ops = { .init = stmmac_init_dma_chain, .is_jumbo_frm = stmmac_is_jumbo_frm, .jumbo_frm = stmmac_jumbo_frm, diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 7834a3993946..74610f3aca9e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -419,20 +419,13 @@ struct mii_regs { unsigned int data; /* MII Data */ }; -struct stmmac_ring_mode_ops { - unsigned int (*is_jumbo_frm) (int len, int ehn_desc); - unsigned int (*jumbo_frm) (void *priv, struct sk_buff *skb, int csum); - void (*refill_desc3) (void *priv, struct dma_desc *p); - void (*init_desc3) (struct dma_desc *p); - void (*clean_desc3) (void *priv, struct dma_desc *p); - int (*set_16kib_bfsize) (int mtu); -}; - -struct stmmac_chain_mode_ops { +struct stmmac_mode_ops { void (*init) (void *des, dma_addr_t phy_addr, unsigned int size, unsigned int extend_desc); unsigned int (*is_jumbo_frm) (int len, int ehn_desc); unsigned int (*jumbo_frm) (void *priv, struct sk_buff *skb, int csum); + int (*set_16kib_bfsize)(int mtu); + void (*init_desc3)(struct dma_desc *p); void (*refill_desc3) (void *priv, struct dma_desc *p); void (*clean_desc3) (void *priv, struct dma_desc *p); }; @@ -441,8 +434,7 @@ struct mac_device_info { const struct stmmac_ops *mac; const struct stmmac_desc_ops *desc; const struct stmmac_dma_ops *dma; - const struct stmmac_ring_mode_ops *ring; - const struct stmmac_chain_mode_ops *chain; + const struct stmmac_mode_ops *mode; const struct stmmac_hwtimestamp *ptp; struct mii_regs mii; /* MII register Addresses */ struct mac_link link; @@ -460,7 +452,7 @@ void stmmac_get_mac_addr(void __iomem *ioaddr, unsigned char *addr, void stmmac_set_mac(void __iomem *ioaddr, bool enable); void dwmac_dma_flush_tx_fifo(void __iomem *ioaddr); -extern const struct stmmac_ring_mode_ops ring_mode_ops; -extern const struct stmmac_chain_mode_ops chain_mode_ops; +extern const struct stmmac_mode_ops ring_mode_ops; +extern const struct stmmac_mode_ops chain_mode_ops; #endif /* __COMMON_H__ */ diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index a96c7c2f5f3f..650a4be6bce5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -100,10 +100,9 @@ static void stmmac_refill_desc3(void *priv_ptr, struct dma_desc *p) { struct stmmac_priv *priv = (struct stmmac_priv *)priv_ptr; - if (unlikely(priv->plat->has_gmac)) - /* Fill DES3 in case of RING mode */ - if (priv->dma_buf_sz >= BUF_SIZE_8KiB) - p->des3 = p->des2 + BUF_SIZE_8KiB; + /* Fill DES3 in case of RING mode */ + if (priv->dma_buf_sz >= BUF_SIZE_8KiB) + p->des3 = p->des2 + BUF_SIZE_8KiB; } /* In ring mode we need to fill the desc3 because it is used as buffer */ @@ -126,7 +125,7 @@ static int stmmac_set_16kib_bfsize(int mtu) return ret; } -const struct stmmac_ring_mode_ops ring_mode_ops = { +const struct stmmac_mode_ops ring_mode_ops = { .is_jumbo_frm = stmmac_is_jumbo_frm, .jumbo_frm = stmmac_jumbo_frm, .refill_desc3 = stmmac_refill_desc3, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index a2e7d2c96e36..8543e1cfd55e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -92,8 +92,8 @@ static int tc = TC_DEFAULT; module_param(tc, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(tc, "DMA threshold control value"); -#define DMA_BUFFER_SIZE BUF_SIZE_4KiB -static int buf_sz = DMA_BUFFER_SIZE; +#define DEFAULT_BUFSIZE 1536 +static int buf_sz = DEFAULT_BUFSIZE; module_param(buf_sz, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(buf_sz, "DMA buffer size"); @@ -136,8 +136,8 @@ static void stmmac_verify_args(void) dma_rxsize = DMA_RX_SIZE; if (unlikely(dma_txsize < 0)) dma_txsize = DMA_TX_SIZE; - if (unlikely((buf_sz < DMA_BUFFER_SIZE) || (buf_sz > BUF_SIZE_16KiB))) - buf_sz = DMA_BUFFER_SIZE; + if (unlikely((buf_sz < DEFAULT_BUFSIZE) || (buf_sz > BUF_SIZE_16KiB))) + buf_sz = DEFAULT_BUFSIZE; if (unlikely(flow_ctrl > 1)) flow_ctrl = FLOW_AUTO; else if (likely(flow_ctrl < 0)) @@ -286,10 +286,25 @@ bool stmmac_eee_init(struct stmmac_priv *priv) /* MAC core supports the EEE feature. */ if (priv->dma_cap.eee) { + int tx_lpi_timer = priv->tx_lpi_timer; + /* Check if the PHY supports EEE */ - if (phy_init_eee(priv->phydev, 1)) + if (phy_init_eee(priv->phydev, 1)) { + /* To manage at run-time if the EEE cannot be supported + * anymore (for example because the lp caps have been + * changed). + * In that case the driver disable own timers. + */ + if (priv->eee_active) { + pr_debug("stmmac: disable EEE\n"); + del_timer_sync(&priv->eee_ctrl_timer); + priv->hw->mac->set_eee_timer(priv->ioaddr, 0, + tx_lpi_timer); + } + priv->eee_active = 0; goto out; - + } + /* Activate the EEE and start timers */ if (!priv->eee_active) { priv->eee_active = 1; init_timer(&priv->eee_ctrl_timer); @@ -300,13 +315,13 @@ bool stmmac_eee_init(struct stmmac_priv *priv) priv->hw->mac->set_eee_timer(priv->ioaddr, STMMAC_DEFAULT_LIT_LS, - priv->tx_lpi_timer); + tx_lpi_timer); } else /* Set HW EEE according to the speed */ priv->hw->mac->set_eee_pls(priv->ioaddr, priv->phydev->link); - pr_info("stmmac: Energy-Efficient Ethernet initialized\n"); + pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); ret = true; } @@ -886,10 +901,10 @@ static int stmmac_set_bfsize(int mtu, int bufsize) ret = BUF_SIZE_8KiB; else if (mtu >= BUF_SIZE_2KiB) ret = BUF_SIZE_4KiB; - else if (mtu >= DMA_BUFFER_SIZE) + else if (mtu > DEFAULT_BUFSIZE) ret = BUF_SIZE_2KiB; else - ret = DMA_BUFFER_SIZE; + ret = DEFAULT_BUFSIZE; return ret; } @@ -951,9 +966,9 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, p->des2 = priv->rx_skbuff_dma[i]; - if ((priv->mode == STMMAC_RING_MODE) && + if ((priv->hw->mode->init_desc3) && (priv->dma_buf_sz == BUF_SIZE_16KiB)) - priv->hw->ring->init_desc3(p); + priv->hw->mode->init_desc3(p); return 0; } @@ -984,11 +999,8 @@ static int init_dma_desc_rings(struct net_device *dev) unsigned int bfsize = 0; int ret = -ENOMEM; - /* Set the max buffer size according to the DESC mode - * and the MTU. Note that RING mode allows 16KiB bsize. - */ - if (priv->mode == STMMAC_RING_MODE) - bfsize = priv->hw->ring->set_16kib_bfsize(dev->mtu); + if (priv->hw->mode->set_16kib_bfsize) + bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu); if (bfsize < BUF_SIZE_16KiB) bfsize = stmmac_set_bfsize(dev->mtu, priv->dma_buf_sz); @@ -1029,15 +1041,15 @@ static int init_dma_desc_rings(struct net_device *dev) /* Setup the chained descriptor addresses */ if (priv->mode == STMMAC_CHAIN_MODE) { if (priv->extend_desc) { - priv->hw->chain->init(priv->dma_erx, priv->dma_rx_phy, - rxsize, 1); - priv->hw->chain->init(priv->dma_etx, priv->dma_tx_phy, - txsize, 1); + priv->hw->mode->init(priv->dma_erx, priv->dma_rx_phy, + rxsize, 1); + priv->hw->mode->init(priv->dma_etx, priv->dma_tx_phy, + txsize, 1); } else { - priv->hw->chain->init(priv->dma_rx, priv->dma_rx_phy, - rxsize, 0); - priv->hw->chain->init(priv->dma_tx, priv->dma_tx_phy, - txsize, 0); + priv->hw->mode->init(priv->dma_rx, priv->dma_rx_phy, + rxsize, 0); + priv->hw->mode->init(priv->dma_tx, priv->dma_tx_phy, + txsize, 0); } } @@ -1288,7 +1300,7 @@ static void stmmac_tx_clean(struct stmmac_priv *priv) DMA_TO_DEVICE); priv->tx_skbuff_dma[entry] = 0; } - priv->hw->ring->clean_desc3(priv, p); + priv->hw->mode->clean_desc3(priv, p); if (likely(skb != NULL)) { dev_kfree_skb(skb); @@ -1705,7 +1717,7 @@ static int stmmac_open(struct net_device *dev) priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); priv->dma_buf_sz = STMMAC_ALIGN(buf_sz); - alloc_dma_desc_resources(priv); + ret = alloc_dma_desc_resources(priv); if (ret < 0) { pr_err("%s: DMA descriptors allocation failed\n", __func__); goto dma_desc_error; @@ -1844,6 +1856,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) int nfrags = skb_shinfo(skb)->nr_frags; struct dma_desc *desc, *first; unsigned int nopaged_len = skb_headlen(skb); + unsigned int enh_desc = priv->plat->enh_desc; if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) { if (!netif_queue_stopped(dev)) { @@ -1871,27 +1884,19 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) first = desc; /* To program the descriptors according to the size of the frame */ - if (priv->mode == STMMAC_RING_MODE) { - is_jumbo = priv->hw->ring->is_jumbo_frm(skb->len, - priv->plat->enh_desc); - if (unlikely(is_jumbo)) - entry = priv->hw->ring->jumbo_frm(priv, skb, - csum_insertion); - } else { - is_jumbo = priv->hw->chain->is_jumbo_frm(skb->len, - priv->plat->enh_desc); - if (unlikely(is_jumbo)) - entry = priv->hw->chain->jumbo_frm(priv, skb, - csum_insertion); - } + if (enh_desc) + is_jumbo = priv->hw->mode->is_jumbo_frm(skb->len, enh_desc); + if (likely(!is_jumbo)) { desc->des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); priv->tx_skbuff_dma[entry] = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum_insertion, priv->mode); - } else + } else { desc = first; + entry = priv->hw->mode->jumbo_frm(priv, skb, csum_insertion); + } for (i = 0; i < nfrags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; @@ -2029,7 +2034,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv) p->des2 = priv->rx_skbuff_dma[entry]; - priv->hw->ring->refill_desc3(priv, p); + priv->hw->mode->refill_desc3(priv, p); if (netif_msg_rx_status(priv)) pr_debug("\trefill entry #%d\n", entry); @@ -2633,11 +2638,11 @@ static int stmmac_hw_init(struct stmmac_priv *priv) /* To use the chained or ring mode */ if (chain_mode) { - priv->hw->chain = &chain_mode_ops; + priv->hw->mode = &chain_mode_ops; pr_info(" Chain mode enabled\n"); priv->mode = STMMAC_CHAIN_MODE; } else { - priv->hw->ring = &ring_mode_ops; + priv->hw->mode = &ring_mode_ops; pr_info(" Ring mode enabled\n"); priv->mode = STMMAC_RING_MODE; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index c61bc72b8e90..8fb32a80f1c1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -36,7 +36,7 @@ static const struct of_device_id stmmac_dt_ids[] = { #ifdef CONFIG_DWMAC_STI { .compatible = "st,stih415-dwmac", .data = &sti_gmac_data}, { .compatible = "st,stih416-dwmac", .data = &sti_gmac_data}, - { .compatible = "st,stih127-dwmac", .data = &sti_gmac_data}, + { .compatible = "st,stid127-dwmac", .data = &sti_gmac_data}, #endif /* SoC specific glue layers should come before generic bindings */ { .compatible = "st,spear600-gmac"}, diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 651087b5c8da..ffd4d12acf6d 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1164,11 +1164,17 @@ static void cpsw_init_host_port(struct cpsw_priv *priv) static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_priv *priv) { + u32 slave_port; + + slave_port = cpsw_get_slave_port(priv, slave->slave_num); + if (!slave->phy) return; phy_stop(slave->phy); phy_disconnect(slave->phy); slave->phy = NULL; + cpsw_ale_control_set(priv->ale, slave_port, + ALE_PORT_STATE, ALE_PORT_STATE_DISABLE); } static int cpsw_ndo_open(struct net_device *ndev) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 7141a1937360..d6fce9750b95 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -442,6 +442,8 @@ static int netvsc_probe(struct hv_device *dev, if (!net) return -ENOMEM; + netif_carrier_off(net); + net_device_ctx = netdev_priv(net); net_device_ctx->device_ctx = dev; hv_set_drvdata(dev, net); @@ -473,6 +475,8 @@ static int netvsc_probe(struct hv_device *dev, pr_err("Unable to register netdev.\n"); rndis_filter_device_remove(dev); free_netdev(net); + } else { + schedule_delayed_work(&net_device_ctx->dwork, 0); } return ret; diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 1084e5de3ceb..b54fd257652b 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -243,6 +243,22 @@ static int rndis_filter_send_request(struct rndis_device *dev, return ret; } +static void rndis_set_link_state(struct rndis_device *rdev, + struct rndis_request *request) +{ + u32 link_status; + struct rndis_query_complete *query_complete; + + query_complete = &request->response_msg.msg.query_complete; + + if (query_complete->status == RNDIS_STATUS_SUCCESS && + query_complete->info_buflen == sizeof(u32)) { + memcpy(&link_status, (void *)((unsigned long)query_complete + + query_complete->info_buf_offset), sizeof(u32)); + rdev->link_state = link_status != 0; + } +} + static void rndis_filter_receive_response(struct rndis_device *dev, struct rndis_message *resp) { @@ -272,6 +288,10 @@ static void rndis_filter_receive_response(struct rndis_device *dev, sizeof(struct rndis_message) + RNDIS_EXT_LEN) { memcpy(&request->response_msg, resp, resp->msg_len); + if (request->request_msg.ndis_msg_type == + RNDIS_MSG_QUERY && request->request_msg.msg. + query_req.oid == RNDIS_OID_GEN_MEDIA_CONNECT_STATUS) + rndis_set_link_state(dev, request); } else { netdev_err(ndev, "rndis response buffer overflow " @@ -620,7 +640,6 @@ static int rndis_filter_query_device_link_status(struct rndis_device *dev) ret = rndis_filter_query_device(dev, RNDIS_OID_GEN_MEDIA_CONNECT_STATUS, &link_status, &size); - dev->link_state = (link_status != 0) ? true : false; return ret; } diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index ab31544bc254..a30258aad139 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -546,12 +546,12 @@ at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) int rc; unsigned long flags; - spin_lock(&lp->lock); + spin_lock_irqsave(&lp->lock, flags); if (lp->irq_busy) { - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); return -EBUSY; } - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); might_sleep(); @@ -725,10 +725,11 @@ static void at86rf230_irqwork_level(struct work_struct *work) static irqreturn_t at86rf230_isr(int irq, void *data) { struct at86rf230_local *lp = data; + unsigned long flags; - spin_lock(&lp->lock); + spin_lock_irqsave(&lp->lock, flags); lp->irq_busy = 1; - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); schedule_work(&lp->irqwork); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index a5d21893670d..1831fb7cd017 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -506,6 +506,9 @@ static int macvlan_change_mtu(struct net_device *dev, int new_mtu) static struct lock_class_key macvlan_netdev_xmit_lock_key; static struct lock_class_key macvlan_netdev_addr_lock_key; +#define ALWAYS_ON_FEATURES \ + (NETIF_F_SG | NETIF_F_GEN_CSUM | NETIF_F_GSO_SOFTWARE | NETIF_F_LLTX) + #define MACVLAN_FEATURES \ (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \ @@ -539,7 +542,7 @@ static int macvlan_init(struct net_device *dev) dev->state = (dev->state & ~MACVLAN_STATE_MASK) | (lowerdev->state & MACVLAN_STATE_MASK); dev->features = lowerdev->features & MACVLAN_FEATURES; - dev->features |= NETIF_F_LLTX; + dev->features |= ALWAYS_ON_FEATURES; dev->gso_max_size = lowerdev->gso_max_size; dev->iflink = lowerdev->ifindex; dev->hard_header_len = lowerdev->hard_header_len; @@ -699,7 +702,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev, features = netdev_increment_features(vlan->lowerdev->features, features, mask); - features |= NETIF_F_LLTX; + features |= ALWAYS_ON_FEATURES; return features; } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 19c9eca0ef26..76d96b9ebcdb 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -164,9 +164,9 @@ static const struct phy_setting settings[] = { * of that setting. Returns the index of the last setting if * none of the others match. */ -static inline int phy_find_setting(int speed, int duplex) +static inline unsigned int phy_find_setting(int speed, int duplex) { - int idx = 0; + unsigned int idx = 0; while (idx < ARRAY_SIZE(settings) && (settings[idx].speed != speed || settings[idx].duplex != duplex)) @@ -185,7 +185,7 @@ static inline int phy_find_setting(int speed, int duplex) * the mask in features. Returns the index of the last setting * if nothing else matches. */ -static inline int phy_find_valid(int idx, u32 features) +static inline unsigned int phy_find_valid(unsigned int idx, u32 features) { while (idx < MAX_NUM_SETTINGS && !(settings[idx].setting & features)) idx++; @@ -204,7 +204,7 @@ static inline int phy_find_valid(int idx, u32 features) static void phy_sanitize_settings(struct phy_device *phydev) { u32 features = phydev->supported; - int idx; + unsigned int idx; /* Sanitize settings based on PHY capabilities */ if ((features & SUPPORTED_Autoneg) == 0) @@ -954,7 +954,8 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) (phydev->interface == PHY_INTERFACE_MODE_RGMII))) { int eee_lp, eee_cap, eee_adv; u32 lp, cap, adv; - int idx, status; + int status; + unsigned int idx; /* Read phy status to properly get the right settings */ status = phy_read_status(phydev); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 82514e72b3d8..4b970f7624c0 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -916,6 +916,8 @@ int genphy_read_status(struct phy_device *phydev) int err; int lpa; int lpagb = 0; + int common_adv; + int common_adv_gb = 0; /* Update the link, but return if there was an error */ err = genphy_update_link(phydev); @@ -937,7 +939,7 @@ int genphy_read_status(struct phy_device *phydev) phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb); - lpagb &= adv << 2; + common_adv_gb = lpagb & adv << 2; } lpa = phy_read(phydev, MII_LPA); @@ -950,25 +952,25 @@ int genphy_read_status(struct phy_device *phydev) if (adv < 0) return adv; - lpa &= adv; + common_adv = lpa & adv; phydev->speed = SPEED_10; phydev->duplex = DUPLEX_HALF; phydev->pause = 0; phydev->asym_pause = 0; - if (lpagb & (LPA_1000FULL | LPA_1000HALF)) { + if (common_adv_gb & (LPA_1000FULL | LPA_1000HALF)) { phydev->speed = SPEED_1000; - if (lpagb & LPA_1000FULL) + if (common_adv_gb & LPA_1000FULL) phydev->duplex = DUPLEX_FULL; - } else if (lpa & (LPA_100FULL | LPA_100HALF)) { + } else if (common_adv & (LPA_100FULL | LPA_100HALF)) { phydev->speed = SPEED_100; - if (lpa & LPA_100FULL) + if (common_adv & LPA_100FULL) phydev->duplex = DUPLEX_FULL; } else - if (lpa & LPA_10FULL) + if (common_adv & LPA_10FULL) phydev->duplex = DUPLEX_FULL; if (phydev->duplex == DUPLEX_FULL) { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 8fe9cb7d0f72..26f8635b027d 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1686,7 +1686,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; dev->features = dev->hw_features; - dev->vlan_features = dev->features; + dev->vlan_features = dev->features & + ~(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX); INIT_LIST_HEAD(&tun->disabled); err = tun_attach(tun, file, false); diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 433f0a00c683..e2797f1e1b31 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -11,7 +11,7 @@ obj-$(CONFIG_USB_HSO) += hso.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o asix-y := asix_devices.o asix_common.o ax88172a.o obj-$(CONFIG_USB_NET_AX88179_178A) += ax88179_178a.o -obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r815x.o +obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SR9700) += sr9700.o diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 955df81a4358..054e59ca6946 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1029,20 +1029,12 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = 0x03; dev->mii.supports_gmii = 1; - if (usb_device_no_sg_constraint(dev->udev)) - dev->can_dma_sg = 1; - dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; - if (dev->can_dma_sg) { - dev->net->features |= NETIF_F_SG | NETIF_F_TSO; - dev->net->hw_features |= NETIF_F_SG | NETIF_F_TSO; - } - /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; @@ -1395,6 +1387,19 @@ static const struct driver_info ax88178a_info = { .tx_fixup = ax88179_tx_fixup, }; +static const struct driver_info dlink_dub1312_info = { + .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .stop = ax88179_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + static const struct driver_info sitecom_info = { .description = "Sitecom USB 3.0 to Gigabit Adapter", .bind = ax88179_bind, @@ -1421,6 +1426,19 @@ static const struct driver_info samsung_info = { .tx_fixup = ax88179_tx_fixup, }; +static const struct driver_info lenovo_info = { + .description = "Lenovo OneLinkDock Gigabit LAN", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .stop = ax88179_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + static const struct usb_device_id products[] = { { /* ASIX AX88179 10/100/1000 */ @@ -1431,6 +1449,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0b95, 0x178a), .driver_info = (unsigned long)&ax88178a_info, }, { + /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */ + USB_DEVICE(0x2001, 0x4a00), + .driver_info = (unsigned long)&dlink_dub1312_info, +}, { /* Sitecom USB 3.0 to Gigabit Adapter */ USB_DEVICE(0x0df6, 0x0072), .driver_info = (unsigned long)&sitecom_info, @@ -1438,6 +1460,10 @@ static const struct usb_device_id products[] = { /* Samsung USB Ethernet Adapter */ USB_DEVICE(0x04e8, 0xa100), .driver_info = (unsigned long)&samsung_info, +}, { + /* Lenovo OneLinkDock Gigabit LAN */ + USB_DEVICE(0x17ef, 0x304b), + .driver_info = (unsigned long)&lenovo_info, }, { }, }; diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 42e176912c8e..bd363b27e854 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -652,6 +652,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* Samsung USB Ethernet Adapters */ +{ + USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index d89dbe395ad2..adb12f349a61 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -449,9 +449,6 @@ enum rtl8152_flags { #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 -#define REALTEK_USB_DEVICE(vend, prod) \ - USB_DEVICE_INTERFACE_CLASS(vend, prod, USB_CLASS_VENDOR_SPEC) - struct rx_desc { __le32 opts1; #define RX_LEN_MASK 0x7fff @@ -2739,6 +2736,12 @@ static int rtl8152_probe(struct usb_interface *intf, struct net_device *netdev; int ret; + if (udev->actconfig->desc.bConfigurationValue != 1) { + usb_driver_set_configuration(udev, 1); + return -ENODEV; + } + + usb_reset_device(udev); netdev = alloc_etherdev(sizeof(struct r8152)); if (!netdev) { dev_err(&intf->dev, "Out of memory\n"); @@ -2819,9 +2822,9 @@ static void rtl8152_disconnect(struct usb_interface *intf) /* table of devices that work with this driver */ static struct usb_device_id rtl8152_table[] = { - {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, - {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8153)}, - {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, PRODUCT_ID_SAMSUNG)}, + {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, + {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8153)}, + {USB_DEVICE(VENDOR_ID_SAMSUNG, PRODUCT_ID_SAMSUNG)}, {} }; diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c deleted file mode 100644 index f0a8791b7636..000000000000 --- a/drivers/net/usb/r815x.c +++ /dev/null @@ -1,248 +0,0 @@ -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/mii.h> -#include <linux/usb.h> -#include <linux/usb/cdc.h> -#include <linux/usb/usbnet.h> - -#define RTL815x_REQT_READ 0xc0 -#define RTL815x_REQT_WRITE 0x40 -#define RTL815x_REQ_GET_REGS 0x05 -#define RTL815x_REQ_SET_REGS 0x05 - -#define MCU_TYPE_PLA 0x0100 -#define OCP_BASE 0xe86c -#define BASE_MII 0xa400 - -#define BYTE_EN_DWORD 0xff -#define BYTE_EN_WORD 0x33 -#define BYTE_EN_BYTE 0x11 - -#define R815x_PHY_ID 32 -#define REALTEK_VENDOR_ID 0x0bda - - -static int pla_read_word(struct usb_device *udev, u16 index) -{ - int ret; - u8 shift = index & 2; - __le32 *tmp; - - tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); - if (!tmp) - return -ENOMEM; - - index &= ~3; - - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); - if (ret < 0) - goto out2; - - ret = __le32_to_cpu(*tmp); - ret >>= (shift * 8); - ret &= 0xffff; - -out2: - kfree(tmp); - return ret; -} - -static int pla_write_word(struct usb_device *udev, u16 index, u32 data) -{ - __le32 *tmp; - u32 mask = 0xffff; - u16 byen = BYTE_EN_WORD; - u8 shift = index & 2; - int ret; - - tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); - if (!tmp) - return -ENOMEM; - - data &= mask; - - if (shift) { - byen <<= shift; - mask <<= (shift * 8); - data <<= (shift * 8); - index &= ~3; - } - - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); - if (ret < 0) - goto out3; - - data |= __le32_to_cpu(*tmp) & ~mask; - *tmp = __cpu_to_le32(data); - - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE, - index, MCU_TYPE_PLA | byen, tmp, sizeof(*tmp), - 500); - -out3: - kfree(tmp); - return ret; -} - -static int ocp_reg_read(struct usbnet *dev, u16 addr) -{ - u16 ocp_base, ocp_index; - int ret; - - ocp_base = addr & 0xf000; - ret = pla_write_word(dev->udev, OCP_BASE, ocp_base); - if (ret < 0) - goto out; - - ocp_index = (addr & 0x0fff) | 0xb000; - ret = pla_read_word(dev->udev, ocp_index); - -out: - return ret; -} - -static int ocp_reg_write(struct usbnet *dev, u16 addr, u16 data) -{ - u16 ocp_base, ocp_index; - int ret; - - ocp_base = addr & 0xf000; - ret = pla_write_word(dev->udev, OCP_BASE, ocp_base); - if (ret < 0) - goto out1; - - ocp_index = (addr & 0x0fff) | 0xb000; - ret = pla_write_word(dev->udev, ocp_index, data); - -out1: - return ret; -} - -static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg) -{ - struct usbnet *dev = netdev_priv(netdev); - int ret; - - if (phy_id != R815x_PHY_ID) - return -EINVAL; - - if (usb_autopm_get_interface(dev->intf) < 0) - return -ENODEV; - - ret = ocp_reg_read(dev, BASE_MII + reg * 2); - - usb_autopm_put_interface(dev->intf); - return ret; -} - -static -void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val) -{ - struct usbnet *dev = netdev_priv(netdev); - - if (phy_id != R815x_PHY_ID) - return; - - if (usb_autopm_get_interface(dev->intf) < 0) - return; - - ocp_reg_write(dev, BASE_MII + reg * 2, val); - - usb_autopm_put_interface(dev->intf); -} - -static int r8153_bind(struct usbnet *dev, struct usb_interface *intf) -{ - int status; - - status = usbnet_cdc_bind(dev, intf); - if (status < 0) - return status; - - dev->mii.dev = dev->net; - dev->mii.mdio_read = r815x_mdio_read; - dev->mii.mdio_write = r815x_mdio_write; - dev->mii.phy_id_mask = 0x3f; - dev->mii.reg_num_mask = 0x1f; - dev->mii.phy_id = R815x_PHY_ID; - dev->mii.supports_gmii = 1; - - return status; -} - -static int r8152_bind(struct usbnet *dev, struct usb_interface *intf) -{ - int status; - - status = usbnet_cdc_bind(dev, intf); - if (status < 0) - return status; - - dev->mii.dev = dev->net; - dev->mii.mdio_read = r815x_mdio_read; - dev->mii.mdio_write = r815x_mdio_write; - dev->mii.phy_id_mask = 0x3f; - dev->mii.reg_num_mask = 0x1f; - dev->mii.phy_id = R815x_PHY_ID; - dev->mii.supports_gmii = 0; - - return status; -} - -static const struct driver_info r8152_info = { - .description = "RTL8152 ECM Device", - .flags = FLAG_ETHER | FLAG_POINTTOPOINT, - .bind = r8152_bind, - .unbind = usbnet_cdc_unbind, - .status = usbnet_cdc_status, - .manage_power = usbnet_manage_power, -}; - -static const struct driver_info r8153_info = { - .description = "RTL8153 ECM Device", - .flags = FLAG_ETHER | FLAG_POINTTOPOINT, - .bind = r8153_bind, - .unbind = usbnet_cdc_unbind, - .status = usbnet_cdc_status, - .manage_power = usbnet_manage_power, -}; - -static const struct usb_device_id products[] = { -{ - USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, - USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long) &r8152_info, -}, - -{ - USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, - USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long) &r8153_info, -}, - - { }, /* END */ -}; -MODULE_DEVICE_TABLE(usb, products); - -static struct usb_driver r815x_driver = { - .name = "r815x", - .id_table = products, - .probe = usbnet_probe, - .disconnect = usbnet_disconnect, - .suspend = usbnet_suspend, - .resume = usbnet_resume, - .reset_resume = usbnet_resume, - .supports_autosuspend = 1, - .disable_hub_initiated_lpm = 1, -}; - -module_usb_driver(r815x_driver); - -MODULE_AUTHOR("Hayes Wang"); -MODULE_DESCRIPTION("Realtek USB ECM device"); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 2ec2041b62d4..5b374370f71c 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -285,7 +285,8 @@ static void veth_setup(struct net_device *dev) dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; dev->features |= VETH_FEATURES; - dev->vlan_features = dev->features; + dev->vlan_features = dev->features & + ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX); dev->destructor = veth_dev_free; dev->hw_features = VETH_FEATURES; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d75f8edf4fb3..5632a99cbbd2 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1711,7 +1711,8 @@ static int virtnet_probe(struct virtio_device *vdev) /* If we can receive ANY GSO packets, we must allocate large ones. */ if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN)) + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) || + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO)) vi->big_packets = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 3be786faaaec..0fa3b44f7342 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1762,11 +1762,20 @@ vmxnet3_netpoll(struct net_device *netdev) { struct vmxnet3_adapter *adapter = netdev_priv(netdev); - if (adapter->intr.mask_mode == VMXNET3_IMM_ACTIVE) - vmxnet3_disable_all_intrs(adapter); - - vmxnet3_do_poll(adapter, adapter->rx_queue[0].rx_ring[0].size); - vmxnet3_enable_all_intrs(adapter); + switch (adapter->intr.type) { +#ifdef CONFIG_PCI_MSI + case VMXNET3_IT_MSIX: { + int i; + for (i = 0; i < adapter->num_rx_queues; i++) + vmxnet3_msix_rx(0, &adapter->rx_queue[i]); + break; + } +#endif + case VMXNET3_IT_MSI: + default: + vmxnet3_intr(0, adapter->netdev); + break; + } } #endif /* CONFIG_NET_POLL_CONTROLLER */ diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h index 1cc13569b17b..1b6b4d0cfa97 100644 --- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h @@ -57,7 +57,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = { {0x00009e14, 0x37b95d5e, 0x37b9605e, 0x3236605e, 0x32365a5e}, {0x00009e18, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x00009e1c, 0x0001cf9c, 0x0001cf9c, 0x00021f9c, 0x00021f9c}, - {0x00009e20, 0x000003b5, 0x000003b5, 0x000003ce, 0x000003ce}, + {0x00009e20, 0x000003a5, 0x000003a5, 0x000003a5, 0x000003a5}, {0x00009e2c, 0x0000001c, 0x0000001c, 0x00000021, 0x00000021}, {0x00009e3c, 0xcf946220, 0xcf946220, 0xcfd5c782, 0xcfd5c282}, {0x00009e44, 0x62321e27, 0x62321e27, 0xfe291e27, 0xfe291e27}, @@ -96,7 +96,7 @@ static const u32 ar9462_2p0_baseband_postamble[][5] = { {0x0000ae04, 0x001c0000, 0x001c0000, 0x001c0000, 0x00100000}, {0x0000ae18, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000ae1c, 0x0000019c, 0x0000019c, 0x0000019c, 0x0000019c}, - {0x0000ae20, 0x000001b5, 0x000001b5, 0x000001ce, 0x000001ce}, + {0x0000ae20, 0x000001a6, 0x000001a6, 0x000001aa, 0x000001aa}, {0x0000b284, 0x00000000, 0x00000000, 0x00000550, 0x00000550}, }; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 11eab9f01fd8..303ce27964c1 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1534,7 +1534,7 @@ EXPORT_SYMBOL(ath9k_hw_check_nav); bool ath9k_hw_check_alive(struct ath_hw *ah) { int count = 50; - u32 reg; + u32 reg, last_val; if (AR_SREV_9300(ah)) return !ath9k_hw_detect_mac_hang(ah); @@ -1542,9 +1542,13 @@ bool ath9k_hw_check_alive(struct ath_hw *ah) if (AR_SREV_9285_12_OR_LATER(ah)) return true; + last_val = REG_READ(ah, AR_OBS_BUS_1); do { reg = REG_READ(ah, AR_OBS_BUS_1); + if (reg != last_val) + return true; + last_val = reg; if ((reg & 0x7E7FFFEF) == 0x00702400) continue; @@ -1556,6 +1560,8 @@ bool ath9k_hw_check_alive(struct ath_hw *ah) default: return true; } + + udelay(1); } while (count-- > 0); return false; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index a0ebdd000fc2..82e340d3ec60 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -732,11 +732,18 @@ static struct ath_rxbuf *ath_get_next_rx_buf(struct ath_softc *sc, return NULL; /* - * mark descriptor as zero-length and set the 'more' - * flag to ensure that both buffers get discarded + * Re-check previous descriptor, in case it has been filled + * in the mean time. */ - rs->rs_datalen = 0; - rs->rs_more = true; + ret = ath9k_hw_rxprocdesc(ah, ds, rs); + if (ret == -EINPROGRESS) { + /* + * mark descriptor as zero-length and set the 'more' + * flag to ensure that both buffers get discarded + */ + rs->rs_datalen = 0; + rs->rs_more = true; + } } list_del(&bf->list); @@ -985,32 +992,32 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, struct ath_common *common = ath9k_hw_common(ah); struct ieee80211_hdr *hdr; bool discard_current = sc->rx.discard_next; - int ret = 0; /* * Discard corrupt descriptors which are marked in * ath_get_next_rx_buf(). */ - sc->rx.discard_next = rx_stats->rs_more; if (discard_current) - return -EINVAL; + goto corrupt; + + sc->rx.discard_next = false; /* * Discard zero-length packets. */ if (!rx_stats->rs_datalen) { RX_STAT_INC(rx_len_err); - return -EINVAL; + goto corrupt; } - /* - * rs_status follows rs_datalen so if rs_datalen is too large - * we can take a hint that hardware corrupted it, so ignore - * those frames. - */ + /* + * rs_status follows rs_datalen so if rs_datalen is too large + * we can take a hint that hardware corrupted it, so ignore + * those frames. + */ if (rx_stats->rs_datalen > (common->rx_bufsize - ah->caps.rx_status_len)) { RX_STAT_INC(rx_len_err); - return -EINVAL; + goto corrupt; } /* Only use status info from the last fragment */ @@ -1024,10 +1031,8 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, * This is different from the other corrupt descriptor * condition handled above. */ - if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC) { - ret = -EINVAL; - goto exit; - } + if (rx_stats->rs_status & ATH9K_RXERR_CORRUPT_DESC) + goto corrupt; hdr = (struct ieee80211_hdr *) (skb->data + ah->caps.rx_status_len); @@ -1043,18 +1048,15 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, if (ath_process_fft(sc, hdr, rx_stats, rx_status->mactime)) RX_STAT_INC(rx_spectral); - ret = -EINVAL; - goto exit; + return -EINVAL; } /* * everything but the rate is checked here, the rate check is done * separately to avoid doing two lookups for a rate for each frame. */ - if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error)) { - ret = -EINVAL; - goto exit; - } + if (!ath9k_rx_accept(common, hdr, rx_status, rx_stats, decrypt_error)) + return -EINVAL; if (ath_is_mybeacon(common, hdr)) { RX_STAT_INC(rx_beacons); @@ -1064,15 +1066,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, /* * This shouldn't happen, but have a safety check anyway. */ - if (WARN_ON(!ah->curchan)) { - ret = -EINVAL; - goto exit; - } + if (WARN_ON(!ah->curchan)) + return -EINVAL; - if (ath9k_process_rate(common, hw, rx_stats, rx_status)) { - ret =-EINVAL; - goto exit; - } + if (ath9k_process_rate(common, hw, rx_stats, rx_status)) + return -EINVAL; ath9k_process_rssi(common, hw, rx_stats, rx_status); @@ -1087,9 +1085,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, sc->rx.num_pkts++; #endif -exit: - sc->rx.discard_next = false; - return ret; + return 0; + +corrupt: + sc->rx.discard_next = rx_stats->rs_more; + return -EINVAL; } static void ath9k_rx_skb_postprocess(struct ath_common *common, diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 0a75e2f68c9d..f042a18c8495 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1444,14 +1444,16 @@ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, for (tidno = 0, tid = &an->tid[tidno]; tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - if (!tid->sched) - continue; - ac = tid->ac; txq = ac->txq; ath_txq_lock(sc, txq); + if (!tid->sched) { + ath_txq_unlock(sc, txq); + continue; + } + buffered = ath_tid_has_buffered(tid); tid->sched = false; @@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, txq->stopped = true; } + if (txctl->an) + tid = ath_get_skb_tid(sc, txctl->an, skb); + if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) { ath_txq_unlock(sc, txq); txq = sc->tx.uapsdq; ath_txq_lock(sc, txq); } else if (txctl->an && ieee80211_is_data_present(hdr->frame_control)) { - tid = ath_get_skb_tid(sc, txctl->an, skb); - WARN_ON(tid->ac->txq != txctl->txq); if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 3e991897d7ca..119ee6eaf1c3 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -457,7 +457,6 @@ struct brcmf_sdio { u8 tx_hdrlen; /* sdio bus header length for tx packet */ bool txglom; /* host tx glomming enable flag */ - struct sk_buff *txglom_sgpad; /* scatter-gather padding buffer */ u16 head_align; /* buffer pointer alignment */ u16 sgentry_align; /* scatter-gather buffer alignment */ }; @@ -1944,9 +1943,8 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus, if (lastfrm && chain_pad) tail_pad += blksize - chain_pad; if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) { - pkt_pad = bus->txglom_sgpad; - if (pkt_pad == NULL) - brcmu_pkt_buf_get_skb(tail_pad + tail_chop); + pkt_pad = brcmu_pkt_buf_get_skb(tail_pad + tail_chop + + bus->head_align); if (pkt_pad == NULL) return -ENOMEM; ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad); @@ -1957,6 +1955,7 @@ static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus, tail_chop); *(u32 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop; skb_trim(pkt, pkt->len - tail_chop); + skb_trim(pkt_pad, tail_pad + tail_chop); __skb_queue_after(pktq, pkt, pkt_pad); } else { ntail = pkt->data_len + tail_pad - @@ -2011,7 +2010,7 @@ brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq, return ret; head_pad = (u16)ret; if (head_pad) - memset(pkt_next->data, 0, head_pad + bus->tx_hdrlen); + memset(pkt_next->data + bus->tx_hdrlen, 0, head_pad); total_len += pkt_next->len; @@ -3486,10 +3485,6 @@ static int brcmf_sdio_bus_preinit(struct device *dev) bus->txglom = false; value = 1; pad_size = bus->sdiodev->func[2]->cur_blksize << 1; - bus->txglom_sgpad = brcmu_pkt_buf_get_skb(pad_size); - if (!bus->txglom_sgpad) - brcmf_err("allocating txglom padding skb failed, reduced performance\n"); - err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom", &value, sizeof(u32)); if (err < 0) { @@ -4053,7 +4048,6 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus) brcmf_sdio_chip_detach(&bus->ci); } - brcmu_pkt_buf_free_skb(bus->txglom_sgpad); kfree(bus->rxbuf); kfree(bus->hdrbuf); kfree(bus); diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index d36e252d2ccb..596525528f50 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -147,7 +147,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta) if (!sta->ap && sta->u.sta.challenge) kfree(sta->u.sta.challenge); - del_timer(&sta->timer); + del_timer_sync(&sta->timer); #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ kfree(sta); diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index c0d070c5df5e..9cdd91cdf661 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -590,6 +590,7 @@ void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id, sizeof(priv->tid_data[sta_id][tid])); priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; + priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; priv->num_stations--; diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index a6839dfcb82d..398dd096674c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -1291,8 +1291,6 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data; struct iwl_ht_agg *agg; struct sk_buff_head reclaimed_skbs; - struct ieee80211_tx_info *info; - struct ieee80211_hdr *hdr; struct sk_buff *skb; int sta_id; int tid; @@ -1379,22 +1377,28 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, freed = 0; skb_queue_walk(&reclaimed_skbs, skb) { - hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_hdr *hdr = (void *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (ieee80211_is_data_qos(hdr->frame_control)) freed++; else WARN_ON_ONCE(1); - info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]); + memset(&info->status, 0, sizeof(info->status)); + /* Packet was transmitted successfully, failures come as single + * frames because before failing a frame the firmware transmits + * it without aggregation at least once. + */ + info->flags |= IEEE80211_TX_STAT_ACK; + if (freed == 1) { /* this is the first skb we deliver in this batch */ /* put the rate scaling data there */ info = IEEE80211_SKB_CB(skb); memset(&info->status, 0, sizeof(info->status)); - info->flags |= IEEE80211_TX_STAT_ACK; info->flags |= IEEE80211_TX_STAT_AMPDU; info->status.ampdu_ack_len = ba_resp->txed_2_done; info->status.ampdu_len = ba_resp->txed; diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c index 76cde6ce6551..18a895a949d4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c @@ -872,8 +872,11 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, lockdep_assert_held(&mvm->mutex); - /* Rssi update while not associated ?! */ - if (WARN_ON_ONCE(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)) + /* + * Rssi update while not associated - can happen since the statistics + * are handled asynchronously + */ + if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) return; /* No BT - reports should be disabled */ diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index e4ead86f06d6..2b0ba1fc3c82 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -152,7 +152,7 @@ enum iwl_power_scheme { IWL_POWER_SCHEME_LP }; -#define IWL_CONN_MAX_LISTEN_INTERVAL 70 +#define IWL_CONN_MAX_LISTEN_INTERVAL 10 #define IWL_UAPSD_AC_INFO (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\ IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\ IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\ diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 4df12fa9d336..76ee486039d7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -822,16 +822,12 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data; struct sk_buff_head reclaimed_skbs; struct iwl_mvm_tid_data *tid_data; - struct ieee80211_tx_info *info; struct ieee80211_sta *sta; struct iwl_mvm_sta *mvmsta; - struct ieee80211_hdr *hdr; struct sk_buff *skb; int sta_id, tid, freed; - /* "flow" corresponds to Tx queue */ u16 scd_flow = le16_to_cpu(ba_notif->scd_flow); - /* "ssn" is start of block-ack Tx window, corresponds to index * (in Tx queue's circular buffer) of first TFD/frame in window */ u16 ba_resp_scd_ssn = le16_to_cpu(ba_notif->scd_ssn); @@ -888,22 +884,26 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, freed = 0; skb_queue_walk(&reclaimed_skbs, skb) { - hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_hdr *hdr = (void *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (ieee80211_is_data_qos(hdr->frame_control)) freed++; else WARN_ON_ONCE(1); - info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); + memset(&info->status, 0, sizeof(info->status)); + /* Packet was transmitted successfully, failures come as single + * frames because before failing a frame the firmware transmits + * it without aggregation at least once. + */ + info->flags |= IEEE80211_TX_STAT_ACK; + if (freed == 1) { /* this is the first skb we deliver in this batch */ /* put the rate scaling data there */ - info = IEEE80211_SKB_CB(skb); - memset(&info->status, 0, sizeof(info->status)); - info->flags |= IEEE80211_TX_STAT_ACK; info->flags |= IEEE80211_TX_STAT_AMPDU; info->status.ampdu_ack_len = ba_notif->txed_2_done; info->status.ampdu_len = ba_notif->txed; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index f47bcbe2945a..3872ead75488 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -359,13 +359,12 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x5112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x510A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5412, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 32f75007a825..cb6d189bc3e6 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -621,7 +621,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy, id = *pos++; elen = *pos++; left -= 2; - if (elen > left || elen == 0) { + if (elen > left) { lbs_deb_scan("scan response: invalid IE fmt\n"); goto done; } diff --git a/drivers/net/wireless/mwifiex/11ac.c b/drivers/net/wireless/mwifiex/11ac.c index 5e0eec4d71c7..5d9a8084665d 100644 --- a/drivers/net/wireless/mwifiex/11ac.c +++ b/drivers/net/wireless/mwifiex/11ac.c @@ -189,8 +189,7 @@ int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv, vht_cap->header.len = cpu_to_le16(sizeof(struct ieee80211_vht_cap)); memcpy((u8 *)vht_cap + sizeof(struct mwifiex_ie_types_header), - (u8 *)bss_desc->bcn_vht_cap + - sizeof(struct ieee_types_header), + (u8 *)bss_desc->bcn_vht_cap, le16_to_cpu(vht_cap->header.len)); mwifiex_fill_vht_cap_tlv(priv, vht_cap, bss_desc->bss_band); diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c index 6261f8c53d44..7db1a89fdd95 100644 --- a/drivers/net/wireless/mwifiex/11n.c +++ b/drivers/net/wireless/mwifiex/11n.c @@ -308,8 +308,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, ht_cap->header.len = cpu_to_le16(sizeof(struct ieee80211_ht_cap)); memcpy((u8 *) ht_cap + sizeof(struct mwifiex_ie_types_header), - (u8 *) bss_desc->bcn_ht_cap + - sizeof(struct ieee_types_header), + (u8 *)bss_desc->bcn_ht_cap, le16_to_cpu(ht_cap->header.len)); mwifiex_fill_cap_info(priv, radio_type, ht_cap); diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 03688aa14e8a..7fe7b53fb17a 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1211,6 +1211,12 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) rd_index = card->rxbd_rdptr & reg->rx_mask; skb_data = card->rx_buf_list[rd_index]; + /* If skb allocation was failed earlier for Rx packet, + * rx_buf_list[rd_index] would have been left with a NULL. + */ + if (!skb_data) + return -ENOMEM; + MWIFIEX_SKB_PACB(skb_data, &buf_pa); pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE, PCI_DMA_FROMDEVICE); @@ -1525,6 +1531,14 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) if (adapter->ps_state == PS_STATE_SLEEP_CFM) { mwifiex_process_sleep_confirm_resp(adapter, skb->data, skb->len); + mwifiex_pcie_enable_host_int(adapter); + if (mwifiex_write_reg(adapter, + PCIE_CPU_INT_EVENT, + CPU_INTR_SLEEP_CFM_DONE)) { + dev_warn(adapter->dev, + "Write register failed\n"); + return -1; + } while (reg->sleep_cookie && (count++ < 10) && mwifiex_pcie_ok_to_access_hw(adapter)) usleep_range(50, 60); @@ -1993,23 +2007,9 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) adapter->int_status |= pcie_ireg; spin_unlock_irqrestore(&adapter->int_lock, flags); - if (pcie_ireg & HOST_INTR_CMD_DONE) { - if ((adapter->ps_state == PS_STATE_SLEEP_CFM) || - (adapter->ps_state == PS_STATE_SLEEP)) { - mwifiex_pcie_enable_host_int(adapter); - if (mwifiex_write_reg(adapter, - PCIE_CPU_INT_EVENT, - CPU_INTR_SLEEP_CFM_DONE) - ) { - dev_warn(adapter->dev, - "Write register failed\n"); - return; - - } - } - } else if (!adapter->pps_uapsd_mode && - adapter->ps_state == PS_STATE_SLEEP && - mwifiex_pcie_ok_to_access_hw(adapter)) { + if (!adapter->pps_uapsd_mode && + adapter->ps_state == PS_STATE_SLEEP && + mwifiex_pcie_ok_to_access_hw(adapter)) { /* Potentially for PCIe we could get other * interrupts like shared. Don't change power * state until cookie is set */ diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 0a8a26e10f01..668547c2de84 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -2101,12 +2101,12 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv) curr_bss->ht_info_offset); if (curr_bss->bcn_vht_cap) - curr_bss->bcn_ht_cap = (void *)(curr_bss->beacon_buf + - curr_bss->vht_cap_offset); + curr_bss->bcn_vht_cap = (void *)(curr_bss->beacon_buf + + curr_bss->vht_cap_offset); if (curr_bss->bcn_vht_oper) - curr_bss->bcn_ht_oper = (void *)(curr_bss->beacon_buf + - curr_bss->vht_info_offset); + curr_bss->bcn_vht_oper = (void *)(curr_bss->beacon_buf + + curr_bss->vht_info_offset); if (curr_bss->bcn_bss_co_2040) curr_bss->bcn_bss_co_2040 = diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index e8ebbd4bc3cd..208748804a55 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -22,8 +22,6 @@ #define USB_VERSION "1.0" -static const char usbdriver_name[] = "usb8xxx"; - static struct mwifiex_if_ops usb_ops; static struct semaphore add_remove_card_sem; static struct usb_card_rec *usb_card; @@ -527,13 +525,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf) MWIFIEX_BSS_ROLE_ANY), MWIFIEX_ASYNC_CMD); -#ifdef CONFIG_PM - /* Resume handler may be called due to remote wakeup, - * force to exit suspend anyway - */ - usb_disable_autosuspend(card->udev); -#endif /* CONFIG_PM */ - return 0; } @@ -567,13 +558,12 @@ static void mwifiex_usb_disconnect(struct usb_interface *intf) } static struct usb_driver mwifiex_usb_driver = { - .name = usbdriver_name, + .name = "mwifiex_usb", .probe = mwifiex_usb_probe, .disconnect = mwifiex_usb_disconnect, .id_table = mwifiex_usb_table, .suspend = mwifiex_usb_suspend, .resume = mwifiex_usb_resume, - .supports_autosuspend = 1, }; static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter) diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 13eaeed03898..981cf6e7c73b 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_private *priv) mwifiex_wmm_delete_all_ralist(priv); memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid)); - if (priv->adapter->if_ops.clean_pcie_ring) + if (priv->adapter->if_ops.clean_pcie_ring && + !priv->adapter->surprise_removed) priv->adapter->if_ops.clean_pcie_ring(priv->adapter); spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags); } diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c index 123c4bb50e0a..cde0eaf99714 100644 --- a/drivers/net/wireless/ti/wl1251/rx.c +++ b/drivers/net/wireless/ti/wl1251/rx.c @@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl, wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length); /* The actual length doesn't include the target's alignment */ - skb->len = desc->length - PLCP_HEADER_LENGTH; + skb_trim(skb, desc->length - PLCP_HEADER_LENGTH); fc = (u16 *)skb->data; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 7669d49a67e2..301cc037fda8 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -132,8 +132,7 @@ static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) /* If the skb is GSO then we'll also need an extra slot for the * metadata. */ - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 || - skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) + if (skb_is_gso(skb)) min_slots_needed++; /* If the skb can't possibly fit in the remaining slots diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index e5284bca2d90..438d0c09b7e6 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -240,7 +240,7 @@ static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb, struct gnttab_copy *copy_gop; struct xenvif_rx_meta *meta; unsigned long bytes; - int gso_type; + int gso_type = XEN_NETIF_GSO_TYPE_NONE; /* Data must not cross a page boundary. */ BUG_ON(size + offset > PAGE_SIZE<<compound_order(page)); @@ -299,12 +299,12 @@ static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb, } /* Leave a gap for the GSO descriptor. */ - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) - gso_type = XEN_NETIF_GSO_TYPE_TCPV4; - else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) - gso_type = XEN_NETIF_GSO_TYPE_TCPV6; - else - gso_type = XEN_NETIF_GSO_TYPE_NONE; + if (skb_is_gso(skb)) { + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) + gso_type = XEN_NETIF_GSO_TYPE_TCPV4; + else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) + gso_type = XEN_NETIF_GSO_TYPE_TCPV6; + } if (*head && ((1 << gso_type) & vif->gso_mask)) vif->rx.req_cons++; @@ -338,19 +338,15 @@ static int xenvif_gop_skb(struct sk_buff *skb, int head = 1; int old_meta_prod; int gso_type; - int gso_size; old_meta_prod = npo->meta_prod; - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) { - gso_type = XEN_NETIF_GSO_TYPE_TCPV4; - gso_size = skb_shinfo(skb)->gso_size; - } else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { - gso_type = XEN_NETIF_GSO_TYPE_TCPV6; - gso_size = skb_shinfo(skb)->gso_size; - } else { - gso_type = XEN_NETIF_GSO_TYPE_NONE; - gso_size = 0; + gso_type = XEN_NETIF_GSO_TYPE_NONE; + if (skb_is_gso(skb)) { + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) + gso_type = XEN_NETIF_GSO_TYPE_TCPV4; + else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) + gso_type = XEN_NETIF_GSO_TYPE_TCPV6; } /* Set up a GSO prefix descriptor, if necessary */ @@ -358,7 +354,7 @@ static int xenvif_gop_skb(struct sk_buff *skb, req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++); meta = npo->meta + npo->meta_prod++; meta->gso_type = gso_type; - meta->gso_size = gso_size; + meta->gso_size = skb_shinfo(skb)->gso_size; meta->size = 0; meta->id = req->id; } @@ -368,7 +364,7 @@ static int xenvif_gop_skb(struct sk_buff *skb, if ((1 << gso_type) & vif->gso_mask) { meta->gso_type = gso_type; - meta->gso_size = gso_size; + meta->gso_size = skb_shinfo(skb)->gso_size; } else { meta->gso_type = XEN_NETIF_GSO_TYPE_NONE; meta->gso_size = 0; @@ -500,8 +496,9 @@ static void xenvif_rx_action(struct xenvif *vif) size = skb_frag_size(&skb_shinfo(skb)->frags[i]); max_slots_needed += DIV_ROUND_UP(size, PAGE_SIZE); } - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 || - skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) + if (skb_is_gso(skb) && + (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 || + skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)) max_slots_needed++; /* If the skb may not fit then bail out now */ diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index f9daa9e183f2..e30d80033cbc 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -907,6 +907,7 @@ static int handle_incoming_queue(struct net_device *dev, /* Ethernet work: Delayed to here as it peeks the header. */ skb->protocol = eth_type_trans(skb, dev); + skb_reset_network_header(skb); if (checksum_setup(dev, skb)) { kfree_skb(skb); diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 00660cc502c5..38901665c770 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -162,8 +162,6 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res, avail = *r; pci_clip_resource_to_region(bus, &avail, region); - if (!resource_size(&avail)) - continue; /* * "min" is typically PCIBIOS_MIN_IO or PCIBIOS_MIN_MEM to diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6b05f6134b68..fdbc294821e6 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1192,6 +1192,9 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars) return err; pci_fixup_device(pci_fixup_enable, dev); + if (dev->msi_enabled || dev->msix_enabled) + return 0; + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (pin) { pci_read_config_word(dev, PCI_COMMAND, &cmd); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index be361b7cd30f..1e4e69384baa 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -217,7 +217,7 @@ config PINCTRL_IMX28 select PINCTRL_MXS config PINCTRL_MSM - tristate + bool select PINMUX select PINCONF select GENERIC_PINCONF diff --git a/drivers/pinctrl/pinctrl-capri.c b/drivers/pinctrl/pinctrl-capri.c index 4669c53f99b0..eb2500212147 100644 --- a/drivers/pinctrl/pinctrl-capri.c +++ b/drivers/pinctrl/pinctrl-capri.c @@ -1435,7 +1435,7 @@ int __init capri_pinctrl_probe(struct platform_device *pdev) } static struct of_device_id capri_pinctrl_of_match[] = { - { .compatible = "brcm,capri-pinctrl", }, + { .compatible = "brcm,bcm11351-pinctrl", }, { }, }; diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index 9ccf681dad2f..f9fabe9bf47d 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -14,6 +14,7 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> @@ -584,7 +585,7 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, spin_lock_irqsave(&pctl->lock, flags); regval = readl(pctl->membase + reg); - regval &= ~IRQ_CFG_IRQ_MASK; + regval &= ~(IRQ_CFG_IRQ_MASK << index); writel(regval | (mode << index), pctl->membase + reg); spin_unlock_irqrestore(&pctl->lock, flags); @@ -665,6 +666,7 @@ static struct irq_chip sunxi_pinctrl_irq_chip = { static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc) { + struct irq_chip *chip = irq_get_chip(irq); struct sunxi_pinctrl *pctl = irq_get_handler_data(irq); const unsigned long reg = readl(pctl->membase + IRQ_STATUS_REG); @@ -674,10 +676,12 @@ static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc) if (reg) { int irqoffset; + chained_irq_enter(chip, desc); for_each_set_bit(irqoffset, ®, SUNXI_IRQ_NUMBER) { int pin_irq = irq_find_mapping(pctl->domain, irqoffset); generic_handle_irq(pin_irq); } + chained_irq_exit(chip, desc); } } diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h index 01c494f8a14f..552b0e97077a 100644 --- a/drivers/pinctrl/pinctrl-sunxi.h +++ b/drivers/pinctrl/pinctrl-sunxi.h @@ -511,7 +511,7 @@ static inline u32 sunxi_pull_offset(u16 pin) static inline u32 sunxi_irq_cfg_reg(u16 irq) { - u8 reg = irq / IRQ_CFG_IRQ_PER_REG; + u8 reg = irq / IRQ_CFG_IRQ_PER_REG * 0x04; return reg + IRQ_CFG_REG; } @@ -523,7 +523,7 @@ static inline u32 sunxi_irq_cfg_offset(u16 irq) static inline u32 sunxi_irq_ctrl_reg(u16 irq) { - u8 reg = irq / IRQ_CTRL_IRQ_PER_REG; + u8 reg = irq / IRQ_CTRL_IRQ_PER_REG * 0x04; return reg + IRQ_CTRL_REG; } @@ -535,7 +535,7 @@ static inline u32 sunxi_irq_ctrl_offset(u16 irq) static inline u32 sunxi_irq_status_reg(u16 irq) { - u8 reg = irq / IRQ_STATUS_IRQ_PER_REG; + u8 reg = irq / IRQ_STATUS_IRQ_PER_REG * 0x04; return reg + IRQ_STATUS_REG; } diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c index 77d103fe39d9..567d6918d50b 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c @@ -89,7 +89,8 @@ enum { /* GPSR6 */ FN_IP13_10, FN_IP13_11, FN_IP13_12, FN_IP13_13, FN_IP13_14, - FN_IP13_15, FN_IP13_18_16, FN_IP13_21_19, FN_IP13_22, FN_IP13_24_23, + FN_IP13_15, FN_IP13_18_16, FN_IP13_21_19, + FN_IP13_22, FN_IP13_24_23, FN_SD1_CLK, FN_IP13_25, FN_IP13_26, FN_IP13_27, FN_IP13_30_28, FN_IP14_1_0, FN_IP14_2, FN_IP14_3, FN_IP14_4, FN_IP14_5, FN_IP14_6, FN_IP14_7, FN_IP14_10_8, FN_IP14_13_11, FN_IP14_16_14, FN_IP14_19_17, @@ -788,6 +789,7 @@ static const u16 pinmux_data[] = { PINMUX_DATA(USB1_PWEN_MARK, FN_USB1_PWEN), PINMUX_DATA(USB1_OVC_MARK, FN_USB1_OVC), PINMUX_DATA(DU0_DOTCLKIN_MARK, FN_DU0_DOTCLKIN), + PINMUX_DATA(SD1_CLK_MARK, FN_SD1_CLK), /* IPSR0 */ PINMUX_IPSR_DATA(IP0_0, D0), @@ -3825,7 +3827,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = { GP_6_11_FN, FN_IP13_25, GP_6_10_FN, FN_IP13_24_23, GP_6_9_FN, FN_IP13_22, - 0, 0, + GP_6_8_FN, FN_SD1_CLK, GP_6_7_FN, FN_IP13_21_19, GP_6_6_FN, FN_IP13_18_16, GP_6_5_FN, FN_IP13_15, diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c index a0d6152701cd..617a4916b50f 100644 --- a/drivers/pinctrl/sirf/pinctrl-sirf.c +++ b/drivers/pinctrl/sirf/pinctrl-sirf.c @@ -598,7 +598,7 @@ static unsigned int sirfsoc_gpio_irq_startup(struct irq_data *d) { struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d); - if (gpio_lock_as_irq(&bank->chip.gc, d->hwirq)) + if (gpio_lock_as_irq(&bank->chip.gc, d->hwirq % SIRFSOC_GPIO_BANK_SIZE)) dev_err(bank->chip.gc.dev, "unable to lock HW IRQ %lu for IRQ\n", d->hwirq); @@ -611,7 +611,7 @@ static void sirfsoc_gpio_irq_shutdown(struct irq_data *d) struct sirfsoc_gpio_bank *bank = irq_data_get_irq_chip_data(d); sirfsoc_gpio_irq_mask(d); - gpio_unlock_as_irq(&bank->chip.gc, d->hwirq); + gpio_unlock_as_irq(&bank->chip.gc, d->hwirq % SIRFSOC_GPIO_BANK_SIZE); } static struct irq_chip sirfsoc_irq_chip = { diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 167f3d00c916..66977ebf13b3 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -183,9 +183,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, struct resource r = {0}; int i, flags; - if (acpi_dev_resource_memory(res, &r) - || acpi_dev_resource_io(res, &r) - || acpi_dev_resource_address_space(res, &r) + if (acpi_dev_resource_address_space(res, &r) || acpi_dev_resource_ext_address_space(res, &r)) { pnp_add_resource(dev, &r); return AE_OK; @@ -217,6 +215,17 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, } switch (res->type) { + case ACPI_RESOURCE_TYPE_MEMORY24: + case ACPI_RESOURCE_TYPE_MEMORY32: + case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: + if (acpi_dev_resource_memory(res, &r)) + pnp_add_resource(dev, &r); + break; + case ACPI_RESOURCE_TYPE_IO: + case ACPI_RESOURCE_TYPE_FIXED_IO: + if (acpi_dev_resource_io(res, &r)) + pnp_add_resource(dev, &r); + break; case ACPI_RESOURCE_TYPE_DMA: dma = &res->data.dma; if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c index 8a843a04c224..a40b9c34e9ff 100644 --- a/drivers/pwm/pwm-lp3943.c +++ b/drivers/pwm/pwm-lp3943.c @@ -52,8 +52,10 @@ lp3943_pwm_request_map(struct lp3943_pwm *lp3943_pwm, int hwpwm) offset = pwm_map->output[i]; /* Return an error if the pin is already assigned */ - if (test_and_set_bit(offset, &lp3943->pin_used)) + if (test_and_set_bit(offset, &lp3943->pin_used)) { + kfree(pwm_map); return ERR_PTR(-EBUSY); + } } return pwm_map; diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h index b4b0d83f9ef6..7061ac0ad428 100644 --- a/drivers/rapidio/devices/tsi721.h +++ b/drivers/rapidio/devices/tsi721.h @@ -678,6 +678,7 @@ struct tsi721_bdma_chan { struct list_head free_list; dma_cookie_t completed_cookie; struct tasklet_struct tasklet; + bool active; }; #endif /* CONFIG_RAPIDIO_DMA_ENGINE */ diff --git a/drivers/rapidio/devices/tsi721_dma.c b/drivers/rapidio/devices/tsi721_dma.c index 502663f5f7c6..91245f5dbe81 100644 --- a/drivers/rapidio/devices/tsi721_dma.c +++ b/drivers/rapidio/devices/tsi721_dma.c @@ -206,8 +206,8 @@ void tsi721_bdma_handler(struct tsi721_bdma_chan *bdma_chan) { /* Disable BDMA channel interrupts */ iowrite32(0, bdma_chan->regs + TSI721_DMAC_INTE); - - tasklet_schedule(&bdma_chan->tasklet); + if (bdma_chan->active) + tasklet_schedule(&bdma_chan->tasklet); } #ifdef CONFIG_PCI_MSI @@ -562,7 +562,7 @@ static int tsi721_alloc_chan_resources(struct dma_chan *dchan) } #endif /* CONFIG_PCI_MSI */ - tasklet_enable(&bdma_chan->tasklet); + bdma_chan->active = true; tsi721_bdma_interrupt_enable(bdma_chan, 1); return bdma_chan->bd_num - 1; @@ -576,9 +576,7 @@ err_out: static void tsi721_free_chan_resources(struct dma_chan *dchan) { struct tsi721_bdma_chan *bdma_chan = to_tsi721_chan(dchan); -#ifdef CONFIG_PCI_MSI struct tsi721_device *priv = to_tsi721(dchan->device); -#endif LIST_HEAD(list); dev_dbg(dchan->device->dev, "%s: Entry\n", __func__); @@ -589,14 +587,25 @@ static void tsi721_free_chan_resources(struct dma_chan *dchan) BUG_ON(!list_empty(&bdma_chan->active_list)); BUG_ON(!list_empty(&bdma_chan->queue)); - tasklet_disable(&bdma_chan->tasklet); + tsi721_bdma_interrupt_enable(bdma_chan, 0); + bdma_chan->active = false; + +#ifdef CONFIG_PCI_MSI + if (priv->flags & TSI721_USING_MSIX) { + synchronize_irq(priv->msix[TSI721_VECT_DMA0_DONE + + bdma_chan->id].vector); + synchronize_irq(priv->msix[TSI721_VECT_DMA0_INT + + bdma_chan->id].vector); + } else +#endif + synchronize_irq(priv->pdev->irq); + + tasklet_kill(&bdma_chan->tasklet); spin_lock_bh(&bdma_chan->lock); list_splice_init(&bdma_chan->free_list, &list); spin_unlock_bh(&bdma_chan->lock); - tsi721_bdma_interrupt_enable(bdma_chan, 0); - #ifdef CONFIG_PCI_MSI if (priv->flags & TSI721_USING_MSIX) { free_irq(priv->msix[TSI721_VECT_DMA0_DONE + @@ -790,6 +799,7 @@ int tsi721_register_dma(struct tsi721_device *priv) bdma_chan->dchan.cookie = 1; bdma_chan->dchan.chan_id = i; bdma_chan->id = i; + bdma_chan->active = false; spin_lock_init(&bdma_chan->lock); @@ -799,7 +809,6 @@ int tsi721_register_dma(struct tsi721_device *priv) tasklet_init(&bdma_chan->tasklet, tsi721_dma_tasklet, (unsigned long)bdma_chan); - tasklet_disable(&bdma_chan->tasklet); list_add_tail(&bdma_chan->dchan.device_node, &mport->dma.channels); } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index d1ac4caaf1b0..afca1bc24f26 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -953,6 +953,8 @@ static int machine_constraints_current(struct regulator_dev *rdev, return 0; } +static int _regulator_do_enable(struct regulator_dev *rdev); + /** * set_machine_constraints - sets regulator constraints * @rdev: regulator source @@ -1013,10 +1015,9 @@ static int set_machine_constraints(struct regulator_dev *rdev, /* If the constraints say the regulator should be on at this point * and we have control then make sure it is enabled. */ - if ((rdev->constraints->always_on || rdev->constraints->boot_on) && - ops->enable) { - ret = ops->enable(rdev); - if (ret < 0) { + if (rdev->constraints->always_on || rdev->constraints->boot_on) { + ret = _regulator_do_enable(rdev); + if (ret < 0 && ret != -EINVAL) { rdev_err(rdev, "failed to enable\n"); goto out; } @@ -1907,8 +1908,6 @@ static int _regulator_do_disable(struct regulator_dev *rdev) trace_regulator_disable_complete(rdev_get_name(rdev)); - _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, - NULL); return 0; } @@ -1932,6 +1931,8 @@ static int _regulator_disable(struct regulator_dev *rdev) rdev_err(rdev, "failed to disable\n"); return ret; } + _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, + NULL); } rdev->use_count = 0; @@ -1984,20 +1985,16 @@ static int _regulator_force_disable(struct regulator_dev *rdev) { int ret = 0; - /* force disable */ - if (rdev->desc->ops->disable) { - /* ah well, who wants to live forever... */ - ret = rdev->desc->ops->disable(rdev); - if (ret < 0) { - rdev_err(rdev, "failed to force disable\n"); - return ret; - } - /* notify other consumers that power has been forced off */ - _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | - REGULATOR_EVENT_DISABLE, NULL); + ret = _regulator_do_disable(rdev); + if (ret < 0) { + rdev_err(rdev, "failed to force disable\n"); + return ret; } - return ret; + _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | + REGULATOR_EVENT_DISABLE, NULL); + + return 0; } /** @@ -3630,23 +3627,18 @@ int regulator_suspend_finish(void) mutex_lock(®ulator_list_mutex); list_for_each_entry(rdev, ®ulator_list, list) { - struct regulator_ops *ops = rdev->desc->ops; - mutex_lock(&rdev->mutex); - if ((rdev->use_count > 0 || rdev->constraints->always_on) && - ops->enable) { - error = ops->enable(rdev); + if (rdev->use_count > 0 || rdev->constraints->always_on) { + error = _regulator_do_enable(rdev); if (error) ret = error; } else { if (!have_full_constraints()) goto unlock; - if (!ops->disable) - goto unlock; if (!_regulator_is_enabled(rdev)) goto unlock; - error = ops->disable(rdev); + error = _regulator_do_disable(rdev); if (error) ret = error; } @@ -3820,7 +3812,7 @@ static int __init regulator_init_complete(void) ops = rdev->desc->ops; c = rdev->constraints; - if (!ops->disable || (c && c->always_on)) + if (c && c->always_on) continue; mutex_lock(&rdev->mutex); @@ -3841,7 +3833,7 @@ static int __init regulator_init_complete(void) /* We log since this may kill the system if it * goes wrong. */ rdev_info(rdev, "disabling\n"); - ret = ops->disable(rdev); + ret = _regulator_do_disable(rdev); if (ret != 0) rdev_err(rdev, "couldn't disable: %d\n", ret); } else { diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 7afd373b9595..c4cde9c08f1f 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -580,10 +580,12 @@ static int s3c_rtc_suspend(struct device *dev) clk_enable(rtc_clk); /* save TICNT for anyone using periodic interrupts */ - ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT); if (s3c_rtc_cpu_type == TYPE_S3C64XX) { ticnt_en_save = readw(s3c_rtc_base + S3C2410_RTCCON); ticnt_en_save &= S3C64XX_RTCCON_TICEN; + ticnt_save = readl(s3c_rtc_base + S3C2410_TICNT); + } else { + ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT); } s3c_rtc_enable(pdev, 0); @@ -605,10 +607,15 @@ static int s3c_rtc_resume(struct device *dev) clk_enable(rtc_clk); s3c_rtc_enable(pdev, 1); - writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); - if (s3c_rtc_cpu_type == TYPE_S3C64XX && ticnt_en_save) { - tmp = readw(s3c_rtc_base + S3C2410_RTCCON); - writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON); + if (s3c_rtc_cpu_type == TYPE_S3C64XX) { + writel(ticnt_save, s3c_rtc_base + S3C2410_TICNT); + if (ticnt_en_save) { + tmp = readw(s3c_rtc_base + S3C2410_RTCCON); + writew(tmp | ticnt_en_save, + s3c_rtc_base + S3C2410_RTCCON); + } + } else { + writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); } if (device_may_wakeup(dev) && wake_en) { diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index f6b9188c5af5..9f0ea6cb6922 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -610,6 +610,7 @@ void chsc_chp_online(struct chp_id chpid) css_wait_for_slow_path(); for_each_subchannel_staged(__s390_process_res_acc, NULL, &link); + css_schedule_reprobe(); } } diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index dc542e0a3055..0bc91e46395a 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -311,7 +311,7 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev, } __packed * msg = ap_msg->message; int rcblen = CEIL4(xcRB->request_control_blk_length); - int replylen; + int replylen, req_sumlen, resp_sumlen; char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen; char *function_code; @@ -321,12 +321,34 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev, xcRB->request_data_length; if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE) return -EINVAL; + + /* Overflow check + sum must be greater (or equal) than the largest operand */ + req_sumlen = CEIL4(xcRB->request_control_blk_length) + + xcRB->request_data_length; + if ((CEIL4(xcRB->request_control_blk_length) <= + xcRB->request_data_length) ? + (req_sumlen < xcRB->request_data_length) : + (req_sumlen < CEIL4(xcRB->request_control_blk_length))) { + return -EINVAL; + } + replylen = sizeof(struct type86_fmt2_msg) + CEIL4(xcRB->reply_control_blk_length) + xcRB->reply_data_length; if (replylen > MSGTYPE06_MAX_MSG_SIZE) return -EINVAL; + /* Overflow check + sum must be greater (or equal) than the largest operand */ + resp_sumlen = CEIL4(xcRB->reply_control_blk_length) + + xcRB->reply_data_length; + if ((CEIL4(xcRB->reply_control_blk_length) <= xcRB->reply_data_length) ? + (resp_sumlen < xcRB->reply_data_length) : + (resp_sumlen < CEIL4(xcRB->reply_control_blk_length))) { + return -EINVAL; + } + /* prepare type6 header */ msg->hdr = static_type6_hdrX; memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID)); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index c3a83df07894..795ed61a5496 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1660,7 +1660,6 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt) QDIO_FLAG_CLEANUP_USING_CLEAR); if (rc) QETH_CARD_TEXT_(card, 3, "1err%d", rc); - qdio_free(CARD_DDEV(card)); atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); break; case QETH_QDIO_CLEANING: @@ -2605,6 +2604,7 @@ static int qeth_mpc_initialize(struct qeth_card *card) return 0; out_qdio: qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); + qdio_free(CARD_DDEV(card)); return rc; } @@ -4906,9 +4906,11 @@ retry: if (retries < 3) QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", dev_name(&card->gdev->dev)); + rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); + qdio_free(CARD_DDEV(card)); rc = ccw_device_set_online(CARD_RDEV(card)); if (rc) goto retriable; @@ -4918,7 +4920,6 @@ retry: rc = ccw_device_set_online(CARD_DDEV(card)); if (rc) goto retriable; - rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); retriable: if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(SETUP, 2, "break1"); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 0710550093ce..908d82529ee9 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1091,6 +1091,7 @@ out_remove: ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_RECOVER) card->state = CARD_STATE_RECOVER; else @@ -1132,6 +1133,7 @@ static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, rc = (rc2) ? rc2 : rc3; if (rc) QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_UP) card->state = CARD_STATE_RECOVER; /* let user_space know that device is offline */ @@ -1194,6 +1196,7 @@ static void qeth_l2_shutdown(struct ccwgroup_device *gdev) qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); qeth_qdio_clear_card(card, 0); qeth_clear_qdio_buffers(card); + qdio_free(CARD_DDEV(card)); } static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 0f430424c3b8..3524d34ff694 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -3447,6 +3447,7 @@ out_remove: ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_RECOVER) card->state = CARD_STATE_RECOVER; else @@ -3493,6 +3494,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, rc = (rc2) ? rc2 : rc3; if (rc) QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_UP) card->state = CARD_STATE_RECOVER; /* let user_space know that device is offline */ @@ -3545,6 +3547,7 @@ static void qeth_l3_shutdown(struct ccwgroup_device *gdev) qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); qeth_qdio_clear_card(card, 0); qeth_clear_qdio_buffers(card); + qdio_free(CARD_DDEV(card)); } static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 1f375051483a..5642a9b250c2 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -325,7 +325,7 @@ static int beiscsi_eh_device_reset(struct scsi_cmnd *sc) if (!abrt_task->sc || abrt_task->state == ISCSI_TASK_FREE) continue; - if (abrt_task->sc->device->lun != abrt_task->sc->device->lun) + if (sc->device->lun != abrt_task->sc->device->lun) continue; /* Invalidate WRB Posted for this Task */ diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 4911310a38f5..22a9bb1abae1 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -311,9 +311,8 @@ static inline struct Scsi_Host *to_shost(struct isci_host *ihost) } #define for_each_isci_host(id, ihost, pdev) \ - for (id = 0, ihost = to_pci_info(pdev)->hosts[id]; \ - id < ARRAY_SIZE(to_pci_info(pdev)->hosts) && ihost; \ - ihost = to_pci_info(pdev)->hosts[++id]) + for (id = 0; id < SCI_MAX_CONTROLLERS && \ + (ihost = to_pci_info(pdev)->hosts[id]); id++) static inline void wait_for_start(struct isci_host *ihost) { diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c index 85c77f6b802b..ac879745ef80 100644 --- a/drivers/scsi/isci/port_config.c +++ b/drivers/scsi/isci/port_config.c @@ -615,13 +615,6 @@ static void sci_apc_agent_link_up(struct isci_host *ihost, SCIC_SDS_APC_WAIT_LINK_UP_NOTIFICATION); } else { /* the phy is already the part of the port */ - u32 port_state = iport->sm.current_state_id; - - /* if the PORT'S state is resetting then the link up is from - * port hard reset in this case, we need to tell the port - * that link up is recieved - */ - BUG_ON(port_state != SCI_PORT_RESETTING); port_agent->phy_ready_mask |= 1 << phy_index; sci_port_link_up(iport, iphy); } diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 0d30ca849e8f..5d6fda72d659 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -801,7 +801,7 @@ int isci_task_I_T_nexus_reset(struct domain_device *dev) /* XXX: need to cleanup any ireqs targeting this * domain_device */ - ret = TMF_RESP_FUNC_COMPLETE; + ret = -ENODEV; goto out; } diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index e1fe95ef23e1..266724b6b899 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2996,8 +2996,7 @@ struct qla_hw_data { IS_QLA82XX(ha) || IS_QLA83XX(ha) || \ IS_QLA8044(ha)) #define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) -#define IS_NOPOLLING_TYPE(ha) ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || \ - IS_QLA83XX(ha)) && (ha)->flags.msix_enabled) +#define IS_NOPOLLING_TYPE(ha) (IS_QLA81XX(ha) && (ha)->flags.msix_enabled) #define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) #define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) #define IS_ALOGIO_CAPABLE(ha) (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha)) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 9bc86b9e86b1..0a1dcb43d18b 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2880,6 +2880,7 @@ static int qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) { #define MIN_MSIX_COUNT 2 +#define ATIO_VECTOR 2 int i, ret; struct msix_entry *entries; struct qla_msix_entry *qentry; @@ -2936,34 +2937,47 @@ msix_failed: } /* Enable MSI-X vectors for the base queue */ - for (i = 0; i < ha->msix_count; i++) { + for (i = 0; i < 2; i++) { qentry = &ha->msix_entries[i]; - if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { - ret = request_irq(qentry->vector, - qla83xx_msix_entries[i].handler, - 0, qla83xx_msix_entries[i].name, rsp); - } else if (IS_P3P_TYPE(ha)) { + if (IS_P3P_TYPE(ha)) ret = request_irq(qentry->vector, qla82xx_msix_entries[i].handler, 0, qla82xx_msix_entries[i].name, rsp); - } else { + else ret = request_irq(qentry->vector, msix_entries[i].handler, 0, msix_entries[i].name, rsp); - } - if (ret) { - ql_log(ql_log_fatal, vha, 0x00cb, - "MSI-X: unable to register handler -- %x/%d.\n", - qentry->vector, ret); - qla24xx_disable_msix(ha); - ha->mqenable = 0; - goto msix_out; - } + if (ret) + goto msix_register_fail; qentry->have_irq = 1; qentry->rsp = rsp; rsp->msix = qentry; } + /* + * If target mode is enable, also request the vector for the ATIO + * queue. + */ + if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { + qentry = &ha->msix_entries[ATIO_VECTOR]; + ret = request_irq(qentry->vector, + qla83xx_msix_entries[ATIO_VECTOR].handler, + 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp); + qentry->have_irq = 1; + qentry->rsp = rsp; + rsp->msix = qentry; + } + +msix_register_fail: + if (ret) { + ql_log(ql_log_fatal, vha, 0x00cb, + "MSI-X: unable to register handler -- %x/%d.\n", + qentry->vector, ret); + qla24xx_disable_msix(ha); + ha->mqenable = 0; + goto msix_out; + } + /* Enable MSI-X vector for response queue update for queue 0 */ if (IS_QLA83XX(ha)) { if (ha->msixbase && ha->mqiobase && diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 2eb97d7e8d12..0cb73074c199 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -790,17 +790,32 @@ static inline int test_tgt_sess_count(struct qla_tgt *tgt) } /* Called by tcm_qla2xxx configfs code */ -void qlt_stop_phase1(struct qla_tgt *tgt) +int qlt_stop_phase1(struct qla_tgt *tgt) { struct scsi_qla_host *vha = tgt->vha; struct qla_hw_data *ha = tgt->ha; unsigned long flags; + mutex_lock(&qla_tgt_mutex); + if (!vha->fc_vport) { + struct Scsi_Host *sh = vha->host; + struct fc_host_attrs *fc_host = shost_to_fc_host(sh); + bool npiv_vports; + + spin_lock_irqsave(sh->host_lock, flags); + npiv_vports = (fc_host->npiv_vports_inuse); + spin_unlock_irqrestore(sh->host_lock, flags); + + if (npiv_vports) { + mutex_unlock(&qla_tgt_mutex); + return -EPERM; + } + } if (tgt->tgt_stop || tgt->tgt_stopped) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04e, "Already in tgt->tgt_stop or tgt_stopped state\n"); - dump_stack(); - return; + mutex_unlock(&qla_tgt_mutex); + return -EPERM; } ql_dbg(ql_dbg_tgt, vha, 0xe003, "Stopping target for host %ld(%p)\n", @@ -815,6 +830,7 @@ void qlt_stop_phase1(struct qla_tgt *tgt) qlt_clear_tgt_db(tgt, true); spin_unlock_irqrestore(&ha->hardware_lock, flags); mutex_unlock(&vha->vha_tgt.tgt_mutex); + mutex_unlock(&qla_tgt_mutex); flush_delayed_work(&tgt->sess_del_work); @@ -841,6 +857,7 @@ void qlt_stop_phase1(struct qla_tgt *tgt) /* Wait for sessions to clear out (just in case) */ wait_event(tgt->waitQ, test_tgt_sess_count(tgt)); + return 0; } EXPORT_SYMBOL(qlt_stop_phase1); @@ -3185,7 +3202,8 @@ restart: ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c, "SRR cmd %p (se_cmd %p, tag %d, op %x), " "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag, - se_cmd->t_task_cdb[0], cmd->sg_cnt, cmd->offset); + se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0, + cmd->sg_cnt, cmd->offset); qlt_handle_srr(vha, sctio, imm); @@ -4181,6 +4199,9 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha) tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX; tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX; + if (base_vha->fc_vport) + return 0; + mutex_lock(&qla_tgt_mutex); list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist); mutex_unlock(&qla_tgt_mutex); @@ -4194,6 +4215,10 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha) if (!vha->vha_tgt.qla_tgt) return 0; + if (vha->fc_vport) { + qlt_release(vha->vha_tgt.qla_tgt); + return 0; + } mutex_lock(&qla_tgt_mutex); list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); mutex_unlock(&qla_tgt_mutex); @@ -4265,6 +4290,12 @@ int qlt_lport_register(void *target_lport_ptr, u64 phys_wwpn, spin_unlock_irqrestore(&ha->hardware_lock, flags); continue; } + if (tgt->tgt_stop) { + pr_debug("MODE_TARGET in shutdown on qla2xxx(%d)\n", + host->host_no); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + continue; + } spin_unlock_irqrestore(&ha->hardware_lock, flags); if (!scsi_host_get(host)) { @@ -4279,12 +4310,11 @@ int qlt_lport_register(void *target_lport_ptr, u64 phys_wwpn, scsi_host_put(host); continue; } - mutex_unlock(&qla_tgt_mutex); - rc = (*callback)(vha, target_lport_ptr, npiv_wwpn, npiv_wwnn); if (rc != 0) scsi_host_put(host); + mutex_unlock(&qla_tgt_mutex); return rc; } mutex_unlock(&qla_tgt_mutex); diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 66e755cdde57..ce33d8c26406 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -1001,7 +1001,7 @@ extern void qlt_modify_vp_config(struct scsi_qla_host *, extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); extern int qlt_mem_alloc(struct qla_hw_data *); extern void qlt_mem_free(struct qla_hw_data *); -extern void qlt_stop_phase1(struct qla_tgt *); +extern int qlt_stop_phase1(struct qla_tgt *); extern void qlt_stop_phase2(struct qla_tgt *); extern irqreturn_t qla83xx_msix_atio_q(int, void *); extern void qlt_83xx_iospace_config(struct qla_hw_data *); diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 75a141bbe74d..788c4fe2b0c9 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -182,20 +182,6 @@ static int tcm_qla2xxx_npiv_parse_wwn( return 0; } -static ssize_t tcm_qla2xxx_npiv_format_wwn(char *buf, size_t len, - u64 wwpn, u64 wwnn) -{ - u8 b[8], b2[8]; - - put_unaligned_be64(wwpn, b); - put_unaligned_be64(wwnn, b2); - return snprintf(buf, len, - "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x," - "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", - b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], - b2[0], b2[1], b2[2], b2[3], b2[4], b2[5], b2[6], b2[7]); -} - static char *tcm_qla2xxx_npiv_get_fabric_name(void) { return "qla2xxx_npiv"; @@ -227,15 +213,6 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg) return lport->lport_naa_name; } -static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg) -{ - struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, - struct tcm_qla2xxx_tpg, se_tpg); - struct tcm_qla2xxx_lport *lport = tpg->lport; - - return &lport->lport_npiv_name[0]; -} - static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg) { struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, @@ -941,15 +918,41 @@ static ssize_t tcm_qla2xxx_tpg_show_enable( atomic_read(&tpg->lport_tpg_enabled)); } +static void tcm_qla2xxx_depend_tpg(struct work_struct *work) +{ + struct tcm_qla2xxx_tpg *base_tpg = container_of(work, + struct tcm_qla2xxx_tpg, tpg_base_work); + struct se_portal_group *se_tpg = &base_tpg->se_tpg; + struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha; + + if (!configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys, + &se_tpg->tpg_group.cg_item)) { + atomic_set(&base_tpg->lport_tpg_enabled, 1); + qlt_enable_vha(base_vha); + } + complete(&base_tpg->tpg_base_comp); +} + +static void tcm_qla2xxx_undepend_tpg(struct work_struct *work) +{ + struct tcm_qla2xxx_tpg *base_tpg = container_of(work, + struct tcm_qla2xxx_tpg, tpg_base_work); + struct se_portal_group *se_tpg = &base_tpg->se_tpg; + struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha; + + if (!qlt_stop_phase1(base_vha->vha_tgt.qla_tgt)) { + atomic_set(&base_tpg->lport_tpg_enabled, 0); + configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys, + &se_tpg->tpg_group.cg_item); + } + complete(&base_tpg->tpg_base_comp); +} + static ssize_t tcm_qla2xxx_tpg_store_enable( struct se_portal_group *se_tpg, const char *page, size_t count) { - struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; - struct tcm_qla2xxx_lport *lport = container_of(se_wwn, - struct tcm_qla2xxx_lport, lport_wwn); - struct scsi_qla_host *vha = lport->qla_vha; struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, struct tcm_qla2xxx_tpg, se_tpg); unsigned long op; @@ -964,19 +967,28 @@ static ssize_t tcm_qla2xxx_tpg_store_enable( pr_err("Illegal value for tpg_enable: %lu\n", op); return -EINVAL; } - if (op) { - atomic_set(&tpg->lport_tpg_enabled, 1); - qlt_enable_vha(vha); + if (atomic_read(&tpg->lport_tpg_enabled)) + return -EEXIST; + + INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_depend_tpg); } else { - if (!vha->vha_tgt.qla_tgt) { - pr_err("struct qla_hw_data *vha->vha_tgt.qla_tgt is NULL\n"); - return -ENODEV; - } - atomic_set(&tpg->lport_tpg_enabled, 0); - qlt_stop_phase1(vha->vha_tgt.qla_tgt); + if (!atomic_read(&tpg->lport_tpg_enabled)) + return count; + + INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_undepend_tpg); } + init_completion(&tpg->tpg_base_comp); + schedule_work(&tpg->tpg_base_work); + wait_for_completion(&tpg->tpg_base_comp); + if (op) { + if (!atomic_read(&tpg->lport_tpg_enabled)) + return -ENODEV; + } else { + if (atomic_read(&tpg->lport_tpg_enabled)) + return -EPERM; + } return count; } @@ -1053,11 +1065,64 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg) /* * Clear local TPG=1 pointer for non NPIV mode. */ - lport->tpg_1 = NULL; - + lport->tpg_1 = NULL; kfree(tpg); } +static ssize_t tcm_qla2xxx_npiv_tpg_show_enable( + struct se_portal_group *se_tpg, + char *page) +{ + return tcm_qla2xxx_tpg_show_enable(se_tpg, page); +} + +static ssize_t tcm_qla2xxx_npiv_tpg_store_enable( + struct se_portal_group *se_tpg, + const char *page, + size_t count) +{ + struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; + struct tcm_qla2xxx_lport *lport = container_of(se_wwn, + struct tcm_qla2xxx_lport, lport_wwn); + struct scsi_qla_host *vha = lport->qla_vha; + struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, + struct tcm_qla2xxx_tpg, se_tpg); + unsigned long op; + int rc; + + rc = kstrtoul(page, 0, &op); + if (rc < 0) { + pr_err("kstrtoul() returned %d\n", rc); + return -EINVAL; + } + if ((op != 1) && (op != 0)) { + pr_err("Illegal value for tpg_enable: %lu\n", op); + return -EINVAL; + } + if (op) { + if (atomic_read(&tpg->lport_tpg_enabled)) + return -EEXIST; + + atomic_set(&tpg->lport_tpg_enabled, 1); + qlt_enable_vha(vha); + } else { + if (!atomic_read(&tpg->lport_tpg_enabled)) + return count; + + atomic_set(&tpg->lport_tpg_enabled, 0); + qlt_stop_phase1(vha->vha_tgt.qla_tgt); + } + + return count; +} + +TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv, enable, S_IRUGO | S_IWUSR); + +static struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = { + &tcm_qla2xxx_npiv_tpg_enable.attr, + NULL, +}; + static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg( struct se_wwn *wwn, struct config_group *group, @@ -1650,6 +1715,9 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha, struct scsi_qla_host *npiv_vha; struct tcm_qla2xxx_lport *lport = (struct tcm_qla2xxx_lport *)target_lport_ptr; + struct tcm_qla2xxx_lport *base_lport = + (struct tcm_qla2xxx_lport *)base_vha->vha_tgt.target_lport_ptr; + struct tcm_qla2xxx_tpg *base_tpg; struct fc_vport_identifiers vport_id; if (!qla_tgt_mode_enabled(base_vha)) { @@ -1657,6 +1725,13 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha, return -EPERM; } + if (!base_lport || !base_lport->tpg_1 || + !atomic_read(&base_lport->tpg_1->lport_tpg_enabled)) { + pr_err("qla2xxx base_lport or tpg_1 not available\n"); + return -EPERM; + } + base_tpg = base_lport->tpg_1; + memset(&vport_id, 0, sizeof(vport_id)); vport_id.port_name = npiv_wwpn; vport_id.node_name = npiv_wwnn; @@ -1675,7 +1750,6 @@ static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha, npiv_vha = (struct scsi_qla_host *)vport->dd_data; npiv_vha->vha_tgt.target_lport_ptr = target_lport_ptr; lport->qla_vha = npiv_vha; - scsi_host_get(npiv_vha->host); return 0; } @@ -1714,8 +1788,6 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport( } lport->lport_npiv_wwpn = npiv_wwpn; lport->lport_npiv_wwnn = npiv_wwnn; - tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0], - TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn); sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn); ret = tcm_qla2xxx_init_lport(lport); @@ -1824,7 +1896,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = { static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = { .get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name, .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident, - .tpg_get_wwn = tcm_qla2xxx_npiv_get_fabric_wwn, + .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn, .tpg_get_tag = tcm_qla2xxx_get_tag, .tpg_get_default_depth = tcm_qla2xxx_get_default_depth, .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id, @@ -1935,7 +2007,7 @@ static int tcm_qla2xxx_register_configfs(void) */ npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs; npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = - tcm_qla2xxx_tpg_attrs; + tcm_qla2xxx_npiv_tpg_attrs; npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL; npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL; npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h index 275d8b9a7a34..33aaac8c7d59 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h @@ -4,8 +4,6 @@ #define TCM_QLA2XXX_VERSION "v0.1" /* length of ASCII WWPNs including pad */ #define TCM_QLA2XXX_NAMELEN 32 -/* lenth of ASCII NPIV 'WWPN+WWNN' including pad */ -#define TCM_QLA2XXX_NPIV_NAMELEN 66 #include "qla_target.h" @@ -43,6 +41,9 @@ struct tcm_qla2xxx_tpg { struct tcm_qla2xxx_tpg_attrib tpg_attrib; /* Returned by tcm_qla2xxx_make_tpg() */ struct se_portal_group se_tpg; + /* Items for dealing with configfs_depend_item */ + struct completion tpg_base_comp; + struct work_struct tpg_base_work; }; struct tcm_qla2xxx_fc_loopid { @@ -62,8 +63,6 @@ struct tcm_qla2xxx_lport { char lport_name[TCM_QLA2XXX_NAMELEN]; /* ASCII formatted naa WWPN for VPD page 83 etc */ char lport_naa_name[TCM_QLA2XXX_NAMELEN]; - /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */ - char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN]; /* map for fc_port pointers in 24-bit FC Port ID space */ struct btree_head32 lport_fcport_map; /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */ diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 17d740427240..9969fa1ef7c4 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1419,6 +1419,9 @@ static void storvsc_device_destroy(struct scsi_device *sdevice) { struct stor_mem_pools *memp = sdevice->hostdata; + if (!memp) + return; + mempool_destroy(memp->request_mempool); kmem_cache_destroy(memp->request_pool); kfree(memp); diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c index 31534b51715a..c3b2fb9b6713 100644 --- a/drivers/spi/spi-ath79.c +++ b/drivers/spi/spi-ath79.c @@ -132,9 +132,9 @@ static int ath79_spi_setup_cs(struct spi_device *spi) flags = GPIOF_DIR_OUT; if (spi->mode & SPI_CS_HIGH) - flags |= GPIOF_INIT_HIGH; - else flags |= GPIOF_INIT_LOW; + else + flags |= GPIOF_INIT_HIGH; status = gpio_request_one(cdata->gpio, flags, dev_name(&spi->dev)); diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index b0842f751016..5d7b07f08326 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1455,6 +1455,14 @@ static int atmel_spi_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct atmel_spi *as = spi_master_get_devdata(master); + int ret; + + /* Stop the queue running */ + ret = spi_master_suspend(master); + if (ret) { + dev_warn(dev, "cannot suspend master\n"); + return ret; + } clk_disable_unprepare(as->clk); return 0; @@ -1464,9 +1472,16 @@ static int atmel_spi_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct atmel_spi *as = spi_master_get_devdata(master); + int ret; clk_prepare_enable(as->clk); - return 0; + + /* Start the queue running */ + ret = spi_master_resume(master); + if (ret) + dev_err(dev, "problem starting queue (%d)\n", ret); + + return ret; } static SIMPLE_DEV_PM_OPS(atmel_spi_pm_ops, atmel_spi_suspend, atmel_spi_resume); diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index cabed8f9119e..28ae470397a9 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -514,7 +514,8 @@ static int mcfqspi_resume(struct device *dev) #ifdef CONFIG_PM_RUNTIME static int mcfqspi_runtime_suspend(struct device *dev) { - struct mcfqspi *mcfqspi = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(dev); + struct mcfqspi *mcfqspi = spi_master_get_devdata(master); clk_disable(mcfqspi->clk); @@ -523,7 +524,8 @@ static int mcfqspi_runtime_suspend(struct device *dev) static int mcfqspi_runtime_resume(struct device *dev) { - struct mcfqspi *mcfqspi = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(dev); + struct mcfqspi *mcfqspi = spi_master_get_devdata(master); clk_enable(mcfqspi->clk); diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index ec79f726672a..a25392065d9b 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -420,7 +420,6 @@ static int dspi_suspend(struct device *dev) static int dspi_resume(struct device *dev) { - struct spi_master *master = dev_get_drvdata(dev); struct fsl_dspi *dspi = spi_master_get_devdata(master); @@ -504,7 +503,7 @@ static int dspi_probe(struct platform_device *pdev) clk_prepare_enable(dspi->clk); init_waitqueue_head(&dspi->waitq); - platform_set_drvdata(pdev, dspi); + platform_set_drvdata(pdev, master); ret = spi_bitbang_start(&dspi->bitbang); if (ret != 0) { @@ -525,7 +524,8 @@ out_master_put: static int dspi_remove(struct platform_device *pdev) { - struct fsl_dspi *dspi = platform_get_drvdata(pdev); + struct spi_master *master = platform_get_drvdata(pdev); + struct fsl_dspi *dspi = spi_master_get_devdata(master); /* Disconnect from the SPI framework */ spi_bitbang_stop(&dspi->bitbang); diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index a5474ef9d2a0..47f15d97e7fa 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -948,8 +948,8 @@ static int spi_imx_remove(struct platform_device *pdev) spi_bitbang_stop(&spi_imx->bitbang); writel(0, spi_imx->base + MXC_CSPICTRL); - clk_disable_unprepare(spi_imx->clk_ipg); - clk_disable_unprepare(spi_imx->clk_per); + clk_unprepare(spi_imx->clk_ipg); + clk_unprepare(spi_imx->clk_per); spi_master_put(master); return 0; diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 2e7f38c7a961..88eb57e858b3 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -915,7 +915,7 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw) /* Set Tx DMA */ param = &dma->param_tx; param->dma_dev = &dma_dev->dev; - param->chan_id = data->master->bus_num * 2; /* Tx = 0, 2 */ + param->chan_id = data->ch * 2; /* Tx = 0, 2 */; param->tx_reg = data->io_base_addr + PCH_SPDWR; param->width = width; chan = dma_request_channel(mask, pch_spi_filter, param); @@ -930,7 +930,7 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw) /* Set Rx DMA */ param = &dma->param_rx; param->dma_dev = &dma_dev->dev; - param->chan_id = data->master->bus_num * 2 + 1; /* Rx = Tx + 1 */ + param->chan_id = data->ch * 2 + 1; /* Rx = Tx + 1 */; param->rx_reg = data->io_base_addr + PCH_SPDRR; param->width = width; chan = dma_request_channel(mask, pch_spi_filter, param); @@ -1452,6 +1452,11 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev) pch_spi_set_master_mode(master); + if (use_dma) { + dev_info(&plat_dev->dev, "Use DMA for data transfers\n"); + pch_alloc_dma_buf(board_dat, data); + } + ret = spi_register_master(master); if (ret != 0) { dev_err(&plat_dev->dev, @@ -1459,14 +1464,10 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev) goto err_spi_register_master; } - if (use_dma) { - dev_info(&plat_dev->dev, "Use DMA for data transfers\n"); - pch_alloc_dma_buf(board_dat, data); - } - return 0; err_spi_register_master: + pch_free_dma_buf(board_dat, data); free_irq(board_dat->pdev->irq, data); err_request_irq: pch_spi_free_resources(board_dat, data); diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c index 4a08e16e42f7..79206cb3fb94 100644 --- a/drivers/staging/cxt1e1/linux.c +++ b/drivers/staging/cxt1e1/linux.c @@ -866,6 +866,8 @@ c4_ioctl (struct net_device *ndev, struct ifreq *ifr, int cmd) _IOC_SIZE (iocmd)); #endif iolen = _IOC_SIZE (iocmd); + if (iolen > sizeof(arg)) + return -EFAULT; data = ifr->ifr_data + sizeof (iocmd); if (copy_from_user (&arg, data, iolen)) return -EFAULT; diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 7fc66a6a6e36..514844efac75 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -757,6 +757,7 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid) } /* if it is released, wait for the next touch via IRQ */ + lradc->cur_plate = LRADC_TOUCH; mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1); mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1); } diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index a70dcef1419e..2f40ff5901d6 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -55,6 +55,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = { /****** 8188EUS ********/ {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ + {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ {} /* Terminating entry */ }; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 7f1a7ce4b771..b83ec378d04f 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -785,7 +785,7 @@ static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) spin_unlock_bh(&conn->cmd_lock); list_for_each_entry_safe(cmd, cmd_p, &ack_list, i_conn_node) { - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); iscsit_free_cmd(cmd, false); } } @@ -3708,7 +3708,7 @@ iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state break; case ISTATE_REMOVE: spin_lock_bh(&conn->cmd_lock); - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_cmd(cmd, false); @@ -4151,7 +4151,7 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn) spin_lock_bh(&conn->cmd_lock); list_for_each_entry_safe(cmd, cmd_tmp, &conn->conn_cmd_list, i_conn_node) { - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_increment_maxcmdsn(cmd, sess); @@ -4196,6 +4196,10 @@ int iscsit_close_connection( iscsit_stop_timers_for_cmds(conn); iscsit_stop_nopin_response_timer(conn); iscsit_stop_nopin_timer(conn); + + if (conn->conn_transport->iscsit_wait_conn) + conn->conn_transport->iscsit_wait_conn(conn); + iscsit_free_queue_reqs_for_conn(conn); /* diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c index 33be1fb1df32..4ca8fd2a70db 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.c +++ b/drivers/target/iscsi/iscsi_target_erl2.c @@ -138,7 +138,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess) list_for_each_entry_safe(cmd, cmd_tmp, &cr->conn_recovery_cmd_list, i_conn_node) { - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); cmd->conn = NULL; spin_unlock(&cr->conn_recovery_cmd_lock); iscsit_free_cmd(cmd, true); @@ -160,7 +160,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess) list_for_each_entry_safe(cmd, cmd_tmp, &cr->conn_recovery_cmd_list, i_conn_node) { - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); cmd->conn = NULL; spin_unlock(&cr->conn_recovery_cmd_lock); iscsit_free_cmd(cmd, true); @@ -216,7 +216,7 @@ int iscsit_remove_cmd_from_connection_recovery( } cr = cmd->cr; - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); return --cr->cmd_count; } @@ -297,7 +297,7 @@ int iscsit_discard_unacknowledged_ooo_cmdsns_for_conn(struct iscsi_conn *conn) if (!(cmd->cmd_flags & ICF_OOO_CMDSN)) continue; - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_cmd(cmd, true); @@ -335,7 +335,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) /* * Only perform connection recovery on ISCSI_OP_SCSI_CMD or * ISCSI_OP_NOOP_OUT opcodes. For all other opcodes call - * list_del(&cmd->i_conn_node); to release the command to the + * list_del_init(&cmd->i_conn_node); to release the command to the * session pool and remove it from the connection's list. * * Also stop the DataOUT timer, which will be restarted after @@ -351,7 +351,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) " CID: %hu\n", cmd->iscsi_opcode, cmd->init_task_tag, cmd->cmd_sn, conn->cid); - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); @@ -371,7 +371,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) */ if (!(cmd->cmd_flags & ICF_OOO_CMDSN) && !cmd->immediate_cmd && iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) { - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_cmd(cmd, true); spin_lock_bh(&conn->cmd_lock); @@ -393,7 +393,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) cmd->sess = conn->sess; - list_del(&cmd->i_conn_node); + list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_all_datain_reqs(cmd); diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 39761837608d..44a5471de00f 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -137,7 +137,7 @@ struct iscsi_portal_group *iscsit_get_tpg_from_np( list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) { spin_lock(&tpg->tpg_state_lock); - if (tpg->tpg_state == TPG_STATE_FREE) { + if (tpg->tpg_state != TPG_STATE_ACTIVE) { spin_unlock(&tpg->tpg_state_lock); continue; } diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index a4489444ffbc..77e6531fb0a1 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -1074,31 +1074,36 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read, struct scatterlist *psg; void *paddr, *addr; unsigned int i, len, left; - unsigned int offset = 0; + unsigned int offset = sg_off; left = sectors * dev->prot_length; for_each_sg(cmd->t_prot_sg, psg, cmd->t_prot_nents, i) { - - len = min(psg->length, left); - if (offset >= sg->length) { - sg = sg_next(sg); - offset = 0; - sg_off = sg->offset; - } + unsigned int psg_len, copied = 0; paddr = kmap_atomic(sg_page(psg)) + psg->offset; - addr = kmap_atomic(sg_page(sg)) + sg_off; + psg_len = min(left, psg->length); + while (psg_len) { + len = min(psg_len, sg->length - offset); + addr = kmap_atomic(sg_page(sg)) + sg->offset + offset; - if (read) - memcpy(paddr, addr, len); - else - memcpy(addr, paddr, len); + if (read) + memcpy(paddr + copied, addr, len); + else + memcpy(addr, paddr + copied, len); - left -= len; - offset += len; + left -= len; + offset += len; + copied += len; + psg_len -= len; + + if (offset >= sg->length) { + sg = sg_next(sg); + offset = 0; + } + kunmap_atomic(addr); + } kunmap_atomic(paddr); - kunmap_atomic(addr); } } @@ -1163,7 +1168,7 @@ sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors, { struct se_device *dev = cmd->se_dev; struct se_dif_v1_tuple *sdt; - struct scatterlist *dsg; + struct scatterlist *dsg, *psg = sg; sector_t sector = start; void *daddr, *paddr; int i, j, offset = sg_off; @@ -1171,14 +1176,14 @@ sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors, for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) { daddr = kmap_atomic(sg_page(dsg)) + dsg->offset; - paddr = kmap_atomic(sg_page(sg)) + sg->offset; + paddr = kmap_atomic(sg_page(psg)) + sg->offset; for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) { - if (offset >= sg->length) { + if (offset >= psg->length) { kunmap_atomic(paddr); - sg = sg_next(sg); - paddr = kmap_atomic(sg_page(sg)) + sg->offset; + psg = sg_next(psg); + paddr = kmap_atomic(sg_page(psg)) + psg->offset; offset = 0; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 24b4f65d8777..2956250b7225 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1601,6 +1601,9 @@ void transport_generic_request_failure(struct se_cmd *cmd, case TCM_CHECK_CONDITION_ABORT_CMD: case TCM_CHECK_CONDITION_UNIT_ATTENTION: case TCM_CHECK_CONDITION_NOT_READY: + case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED: + case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED: + case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED: break; case TCM_OUT_OF_RESOURCES: sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index 35c066489a19..5f88d767671e 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -136,6 +136,7 @@ config SPEAR_THERMAL config RCAR_THERMAL tristate "Renesas R-Car thermal driver" depends on ARCH_SHMOBILE || COMPILE_TEST + depends on HAS_IOMEM help Enable this to plug the R-Car thermal sensor driver into the Linux thermal framework. @@ -210,8 +211,16 @@ config ACPI_INT3403_THERMAL tristate "ACPI INT3403 thermal driver" depends on X86 && ACPI help - This driver uses ACPI INT3403 device objects. If present, it will - register each INT3403 thermal sensor as a thermal zone. + Newer laptops and tablets that use ACPI may have thermal sensors + outside the core CPU/SOC for thermal safety reasons. These + temperature sensors are also exposed for the OS to use via the so + called INT3403 ACPI object. This driver will, on devices that have + such sensors, expose the temperature information from these sensors + to userspace via the normal thermal framework. This means that a wide + range of applications and GUI widgets can show this information to + the user or use this information for making decisions. For example, + the Intel Thermal Daemon can use this information to allow the user + to select his laptop to run without turning on the fans. menu "Texas Instruments thermal drivers" source "drivers/thermal/ti-soc-thermal/Kconfig" diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 338a88bf6662..71b0ec0c370d 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -56,10 +56,15 @@ static LIST_HEAD(thermal_governor_list); static DEFINE_MUTEX(thermal_list_lock); static DEFINE_MUTEX(thermal_governor_lock); +static struct thermal_governor *def_governor; + static struct thermal_governor *__find_governor(const char *name) { struct thermal_governor *pos; + if (!name || !name[0]) + return def_governor; + list_for_each_entry(pos, &thermal_governor_list, governor_list) if (!strnicmp(name, pos->name, THERMAL_NAME_LENGTH)) return pos; @@ -82,17 +87,23 @@ int thermal_register_governor(struct thermal_governor *governor) if (__find_governor(governor->name) == NULL) { err = 0; list_add(&governor->governor_list, &thermal_governor_list); + if (!def_governor && !strncmp(governor->name, + DEFAULT_THERMAL_GOVERNOR, THERMAL_NAME_LENGTH)) + def_governor = governor; } mutex_lock(&thermal_list_lock); list_for_each_entry(pos, &thermal_tz_list, node) { + /* + * only thermal zones with specified tz->tzp->governor_name + * may run with tz->govenor unset + */ if (pos->governor) continue; - if (pos->tzp) - name = pos->tzp->governor_name; - else - name = DEFAULT_THERMAL_GOVERNOR; + + name = pos->tzp->governor_name; + if (!strnicmp(name, governor->name, THERMAL_NAME_LENGTH)) pos->governor = governor; } @@ -342,8 +353,8 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz) static void handle_non_critical_trips(struct thermal_zone_device *tz, int trip, enum thermal_trip_type trip_type) { - if (tz->governor) - tz->governor->throttle(tz, trip); + tz->governor ? tz->governor->throttle(tz, trip) : + def_governor->throttle(tz, trip); } static void handle_critical_trips(struct thermal_zone_device *tz, @@ -1107,7 +1118,7 @@ __thermal_cooling_device_register(struct device_node *np, INIT_LIST_HEAD(&cdev->thermal_instances); cdev->np = np; cdev->ops = ops; - cdev->updated = true; + cdev->updated = false; cdev->device.class = &thermal_class; cdev->devdata = devdata; dev_set_name(&cdev->device, "cooling_device%d", cdev->id); @@ -1533,7 +1544,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type, if (tz->tzp) tz->governor = __find_governor(tz->tzp->governor_name); else - tz->governor = __find_governor(DEFAULT_THERMAL_GOVERNOR); + tz->governor = def_governor; mutex_unlock(&thermal_governor_lock); diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c index 972e1c73722a..081fd7e6a9f0 100644 --- a/drivers/thermal/x86_pkg_temp_thermal.c +++ b/drivers/thermal/x86_pkg_temp_thermal.c @@ -68,6 +68,10 @@ struct phy_dev_entry { struct thermal_zone_device *tzone; }; +static const struct thermal_zone_params pkg_temp_tz_params = { + .no_hwmon = true, +}; + /* List maintaining number of package instances */ static LIST_HEAD(phy_dev_list); static DEFINE_MUTEX(phy_dev_list_mutex); @@ -394,7 +398,6 @@ static int pkg_temp_thermal_device_add(unsigned int cpu) int err; u32 tj_max; struct phy_dev_entry *phy_dev_entry; - char buffer[30]; int thres_count; u32 eax, ebx, ecx, edx; u8 *temp; @@ -440,13 +443,11 @@ static int pkg_temp_thermal_device_add(unsigned int cpu) phy_dev_entry->first_cpu = cpu; phy_dev_entry->tj_max = tj_max; phy_dev_entry->ref_cnt = 1; - snprintf(buffer, sizeof(buffer), "pkg-temp-%d\n", - phy_dev_entry->phys_proc_id); - phy_dev_entry->tzone = thermal_zone_device_register(buffer, + phy_dev_entry->tzone = thermal_zone_device_register("x86_pkg_temp", thres_count, (thres_count == MAX_NUMBER_OF_TRIPS) ? 0x03 : 0x01, - phy_dev_entry, &tzone_ops, NULL, 0, 0); + phy_dev_entry, &tzone_ops, &pkg_temp_tz_params, 0, 0); if (IS_ERR(phy_dev_entry->tzone)) { err = PTR_ERR(phy_dev_entry->tzone); goto err_ret_free; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 8d72f0c65937..062967c90b2a 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -717,6 +717,10 @@ int usb_get_configuration(struct usb_device *dev) result = -ENOMEM; goto err; } + + if (dev->quirks & USB_QUIRK_DELAY_INIT) + msleep(100); + result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, bigbuffer, length); if (result < 0) { diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 8f37063c0a49..739ee8e8bdfd 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -47,6 +47,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Microsoft LifeCam-VX700 v2.0 */ { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Pro Webcams C920 and C930e */ + { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Logitech Quickcam Fusion */ { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 471142725ffe..81cda09b47e3 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -685,8 +685,15 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 status, masked_status, pcd_status = 0, cmd; int bh; + unsigned long flags; - spin_lock (&ehci->lock); + /* + * For threadirqs option we use spin_lock_irqsave() variant to prevent + * deadlock with ehci hrtimer callback, because hrtimer callbacks run + * in interrupt context even when threadirqs is specified. We can go + * back to spin_lock() variant when hrtimer callbacks become threaded. + */ + spin_lock_irqsave(&ehci->lock, flags); status = ehci_readl(ehci, &ehci->regs->status); @@ -704,7 +711,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* Shared IRQ? */ if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { - spin_unlock(&ehci->lock); + spin_unlock_irqrestore(&ehci->lock, flags); return IRQ_NONE; } @@ -815,7 +822,7 @@ dead: if (bh) ehci_work (ehci); - spin_unlock (&ehci->lock); + spin_unlock_irqrestore(&ehci->lock, flags); if (pcd_status) usb_hcd_poll_rh_status(hcd); return IRQ_HANDLED; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 6fe577d46fa2..924a6ccdb622 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4733,6 +4733,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) /* Accept arbitrarily long scatter-gather lists */ hcd->self.sg_tablesize = ~0; + /* support to build packet from discontinuous buffers */ + hcd->self.no_sg_constraint = 1; + /* XHCI controllers don't stop the ep queue on short packets :| */ hcd->self.no_stop_on_short = 1; @@ -4757,14 +4760,6 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) /* xHCI private pointer was set in xhci_pci_probe for the second * registered roothub. */ - xhci = hcd_to_xhci(hcd); - /* - * Support arbitrarily aligned sg-list entries on hosts without - * TD fragment rules (which are currently unsupported). - */ - if (xhci->hci_version < 0x100) - hcd->self.no_sg_constraint = 1; - return 0; } @@ -4793,9 +4788,6 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) if (xhci->hci_version > 0x96) xhci->quirks |= XHCI_SPURIOUS_SUCCESS; - if (xhci->hci_version < 0x100) - hcd->self.no_sg_constraint = 1; - /* Make sure the HC is halted. */ retval = xhci_halt(xhci); if (retval) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index ee1f00f03c43..44ab12986805 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -907,6 +907,8 @@ static const struct usb_device_id id_table_combined[] = { /* Crucible Devices */ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) }, + /* Cressi Devices */ + { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 1e2d369df86e..e599fbfcde5f 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1320,3 +1320,9 @@ * Manufacturer: Smart GSM Team */ #define FTDI_Z3X_PID 0x0011 + +/* + * Product: Cressi PC Interface + * Manufacturer: Cressi + */ +#define FTDI_CRESSI_PID 0x87d0 diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 4fb7a8f83c8a..54af4e933695 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -186,12 +186,12 @@ static bool is_invalid_reserved_pfn(unsigned long pfn) if (pfn_valid(pfn)) { bool reserved; struct page *tail = pfn_to_page(pfn); - struct page *head = compound_trans_head(tail); + struct page *head = compound_head(tail); reserved = !!(PageReserved(head)); if (head != tail) { /* * "head" is not a dangling pointer - * (compound_trans_head takes care of that) + * (compound_head takes care of that) * but the hugepage may have been split * from under us (and we may not hold a * reference count on the head page so it can diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 0a025b8e2a12..e48d4a672580 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1001,6 +1001,12 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) break; } + /* virtio-scsi spec requires byte 0 of the lun to be 1 */ + if (unlikely(v_req.lun[0] != 1)) { + vhost_scsi_send_bad_target(vs, vq, head, out); + continue; + } + /* Extract the tpgt */ target = v_req.lun[1]; tpg = ACCESS_ONCE(vs_tpg[target]); diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index 0129b78a6908..4f70f383132c 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -458,11 +458,10 @@ static int bio_integrity_verify(struct bio *bio) struct blk_integrity_exchg bix; struct bio_vec *bv; sector_t sector = bio->bi_integrity->bip_iter.bi_sector; - unsigned int sectors, total, ret; + unsigned int sectors, ret = 0; void *prot_buf = bio->bi_integrity->bip_buf; int i; - ret = total = 0; bix.disk_name = bio->bi_bdev->bd_disk->disk_name; bix.sector_size = bi->sector_size; @@ -484,8 +483,6 @@ static int bio_integrity_verify(struct bio *bio) sectors = bv->bv_len / bi->sector_size; sector += sectors; prot_buf += sectors * bi->tuple_size; - total += sectors * bi->tuple_size; - BUG_ON(total > bio->bi_integrity->bip_iter.bi_size); kunmap_atomic(kaddr); } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index cf32f0393369..c0f3718b77a8 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -513,7 +513,7 @@ struct cifs_mnt_data { static inline unsigned int get_rfc1002_length(void *buf) { - return be32_to_cpu(*((__be32 *)buf)); + return be32_to_cpu(*((__be32 *)buf)) & 0xffffff; } static inline void diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 53c15074bb36..834fce759d80 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2579,31 +2579,19 @@ cifs_writev(struct kiocb *iocb, const struct iovec *iov, struct cifsInodeInfo *cinode = CIFS_I(inode); struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; ssize_t rc = -EACCES; + loff_t lock_pos = pos; - BUG_ON(iocb->ki_pos != pos); - + if (file->f_flags & O_APPEND) + lock_pos = i_size_read(inode); /* * We need to hold the sem to be sure nobody modifies lock list * with a brlock that prevents writing. */ down_read(&cinode->lock_sem); - if (!cifs_find_lock_conflict(cfile, pos, iov_length(iov, nr_segs), + if (!cifs_find_lock_conflict(cfile, lock_pos, iov_length(iov, nr_segs), server->vals->exclusive_lock_type, NULL, - CIFS_WRITE_OP)) { - mutex_lock(&inode->i_mutex); - rc = __generic_file_aio_write(iocb, iov, nr_segs, - &iocb->ki_pos); - mutex_unlock(&inode->i_mutex); - } - - if (rc > 0) { - ssize_t err; - - err = generic_write_sync(file, iocb->ki_pos - rc, rc); - if (err < 0) - rc = err; - } - + CIFS_WRITE_OP)) + rc = generic_file_aio_write(iocb, iov, nr_segs, pos); up_read(&cinode->lock_sem); return rc; } diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index b37570952846..18cd5650a5fc 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -270,6 +270,26 @@ cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx, iov->iov_len = rqst->rq_pagesz; } +static unsigned long +rqst_len(struct smb_rqst *rqst) +{ + unsigned int i; + struct kvec *iov = rqst->rq_iov; + unsigned long buflen = 0; + + /* total up iov array first */ + for (i = 0; i < rqst->rq_nvec; i++) + buflen += iov[i].iov_len; + + /* add in the page array if there is one */ + if (rqst->rq_npages) { + buflen += rqst->rq_pagesz * (rqst->rq_npages - 1); + buflen += rqst->rq_tailsz; + } + + return buflen; +} + static int smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) { @@ -277,6 +297,7 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) struct kvec *iov = rqst->rq_iov; int n_vec = rqst->rq_nvec; unsigned int smb_buf_length = get_rfc1002_length(iov[0].iov_base); + unsigned long send_length; unsigned int i; size_t total_len = 0, sent; struct socket *ssocket = server->ssocket; @@ -285,6 +306,14 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) if (ssocket == NULL) return -ENOTSOCK; + /* sanity check send length */ + send_length = rqst_len(rqst); + if (send_length != smb_buf_length + 4) { + WARN(1, "Send length mismatch(send_length=%lu smb_buf_length=%u)\n", + send_length, smb_buf_length); + return -EIO; + } + cifs_dbg(FYI, "Sending smb: smb_len=%u\n", smb_buf_length); dump_smb(iov[0].iov_base, iov[0].iov_len); diff --git a/fs/file.c b/fs/file.c index db25c2bdfe46..60a45e9f5323 100644 --- a/fs/file.c +++ b/fs/file.c @@ -683,35 +683,65 @@ EXPORT_SYMBOL(fget_raw); * The fput_needed flag returned by fget_light should be passed to the * corresponding fput_light. */ -struct file *__fget_light(unsigned int fd, fmode_t mask, int *fput_needed) +static unsigned long __fget_light(unsigned int fd, fmode_t mask) { struct files_struct *files = current->files; struct file *file; - *fput_needed = 0; if (atomic_read(&files->count) == 1) { file = __fcheck_files(files, fd); - if (file && (file->f_mode & mask)) - file = NULL; + if (!file || unlikely(file->f_mode & mask)) + return 0; + return (unsigned long)file; } else { file = __fget(fd, mask); - if (file) - *fput_needed = 1; + if (!file) + return 0; + return FDPUT_FPUT | (unsigned long)file; } - - return file; } -struct file *fget_light(unsigned int fd, int *fput_needed) +unsigned long __fdget(unsigned int fd) { - return __fget_light(fd, FMODE_PATH, fput_needed); + return __fget_light(fd, FMODE_PATH); } -EXPORT_SYMBOL(fget_light); +EXPORT_SYMBOL(__fdget); -struct file *fget_raw_light(unsigned int fd, int *fput_needed) +unsigned long __fdget_raw(unsigned int fd) { - return __fget_light(fd, 0, fput_needed); + return __fget_light(fd, 0); +} + +unsigned long __fdget_pos(unsigned int fd) +{ + struct files_struct *files = current->files; + struct file *file; + unsigned long v; + + if (atomic_read(&files->count) == 1) { + file = __fcheck_files(files, fd); + v = 0; + } else { + file = __fget(fd, 0); + v = FDPUT_FPUT; + } + if (!file) + return 0; + + if (file->f_mode & FMODE_ATOMIC_POS) { + if (file_count(file) > 1) { + v |= FDPUT_POS_UNLOCK; + mutex_lock(&file->f_pos_lock); + } + } + return v | (unsigned long)file; } +/* + * We only lock f_pos if we have threads or if the file might be + * shared with another process. In both cases we'll have an elevated + * file count (done either by fdget() or by fork()). + */ + void set_close_on_exec(unsigned int fd, int flag) { struct files_struct *files = current->files; diff --git a/fs/file_table.c b/fs/file_table.c index 5fff9030be34..5b24008ea4f6 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -135,6 +135,7 @@ struct file *get_empty_filp(void) atomic_long_set(&f->f_count, 1); rwlock_init(&f->f_owner.lock); spin_lock_init(&f->f_lock); + mutex_init(&f->f_pos_lock); eventpoll_init_file(f); /* f->f_version: 0 */ return f; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index e0259a163f98..d754e3cf99a8 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -40,18 +40,13 @@ struct wb_writeback_work { long nr_pages; struct super_block *sb; - /* - * Write only inodes dirtied before this time. Don't forget to set - * older_than_this_is_set when you set this. - */ - unsigned long older_than_this; + unsigned long *older_than_this; enum writeback_sync_modes sync_mode; unsigned int tagged_writepages:1; unsigned int for_kupdate:1; unsigned int range_cyclic:1; unsigned int for_background:1; unsigned int for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ - unsigned int older_than_this_is_set:1; enum wb_reason reason; /* why was writeback initiated? */ struct list_head list; /* pending work list */ @@ -252,10 +247,10 @@ static int move_expired_inodes(struct list_head *delaying_queue, int do_sb_sort = 0; int moved = 0; - WARN_ON_ONCE(!work->older_than_this_is_set); while (!list_empty(delaying_queue)) { inode = wb_inode(delaying_queue->prev); - if (inode_dirtied_after(inode, work->older_than_this)) + if (work->older_than_this && + inode_dirtied_after(inode, *work->older_than_this)) break; list_move(&inode->i_wb_list, &tmp); moved++; @@ -742,8 +737,6 @@ static long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages, .sync_mode = WB_SYNC_NONE, .range_cyclic = 1, .reason = reason, - .older_than_this = jiffies, - .older_than_this_is_set = 1, }; spin_lock(&wb->list_lock); @@ -802,13 +795,12 @@ static long wb_writeback(struct bdi_writeback *wb, { unsigned long wb_start = jiffies; long nr_pages = work->nr_pages; + unsigned long oldest_jif; struct inode *inode; long progress; - if (!work->older_than_this_is_set) { - work->older_than_this = jiffies; - work->older_than_this_is_set = 1; - } + oldest_jif = jiffies; + work->older_than_this = &oldest_jif; spin_lock(&wb->list_lock); for (;;) { @@ -842,10 +834,10 @@ static long wb_writeback(struct bdi_writeback *wb, * safe. */ if (work->for_kupdate) { - work->older_than_this = jiffies - + oldest_jif = jiffies - msecs_to_jiffies(dirty_expire_interval * 10); } else if (work->for_background) - work->older_than_this = jiffies; + oldest_jif = jiffies; trace_writeback_start(wb->bdi, work); if (list_empty(&wb->b_io)) @@ -1357,21 +1349,18 @@ EXPORT_SYMBOL(try_to_writeback_inodes_sb); /** * sync_inodes_sb - sync sb inode pages - * @sb: the superblock - * @older_than_this: timestamp + * @sb: the superblock * * This function writes and waits on any dirty inode belonging to this - * superblock that has been dirtied before given timestamp. + * super_block. */ -void sync_inodes_sb(struct super_block *sb, unsigned long older_than_this) +void sync_inodes_sb(struct super_block *sb) { DECLARE_COMPLETION_ONSTACK(done); struct wb_writeback_work work = { .sb = sb, .sync_mode = WB_SYNC_ALL, .nr_pages = LONG_MAX, - .older_than_this = older_than_this, - .older_than_this_is_set = 1, .range_cyclic = 0, .done = &done, .reason = WB_REASON_SYNC, diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index 968ce411db53..32602c667b4a 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -103,6 +103,8 @@ static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, folder = &entry->folder; memset(folder, 0, sizeof(*folder)); folder->type = cpu_to_be16(HFSPLUS_FOLDER); + if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) + folder->flags |= cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT); folder->id = cpu_to_be32(inode->i_ino); HFSPLUS_I(inode)->create_date = folder->create_date = @@ -203,6 +205,36 @@ int hfsplus_find_cat(struct super_block *sb, u32 cnid, return hfs_brec_find(fd, hfs_find_rec_by_key); } +static void hfsplus_subfolders_inc(struct inode *dir) +{ + struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); + + if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) { + /* + * Increment subfolder count. Note, the value is only meaningful + * for folders with HFSPLUS_HAS_FOLDER_COUNT flag set. + */ + HFSPLUS_I(dir)->subfolders++; + } +} + +static void hfsplus_subfolders_dec(struct inode *dir) +{ + struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); + + if (test_bit(HFSPLUS_SB_HFSX, &sbi->flags)) { + /* + * Decrement subfolder count. Note, the value is only meaningful + * for folders with HFSPLUS_HAS_FOLDER_COUNT flag set. + * + * Check for zero. Some subfolders may have been created + * by an implementation ignorant of this counter. + */ + if (HFSPLUS_I(dir)->subfolders) + HFSPLUS_I(dir)->subfolders--; + } +} + int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str, struct inode *inode) { @@ -247,6 +279,8 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, goto err1; dir->i_size++; + if (S_ISDIR(inode->i_mode)) + hfsplus_subfolders_inc(dir); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); @@ -336,6 +370,8 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) goto out; dir->i_size--; + if (type == HFSPLUS_FOLDER) + hfsplus_subfolders_dec(dir); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); @@ -380,6 +416,7 @@ int hfsplus_rename_cat(u32 cnid, hfs_bnode_read(src_fd.bnode, &entry, src_fd.entryoffset, src_fd.entrylength); + type = be16_to_cpu(entry.type); /* create new dir entry with the data from the old entry */ hfsplus_cat_build_key(sb, dst_fd.search_key, dst_dir->i_ino, dst_name); @@ -394,6 +431,8 @@ int hfsplus_rename_cat(u32 cnid, if (err) goto out; dst_dir->i_size++; + if (type == HFSPLUS_FOLDER) + hfsplus_subfolders_inc(dst_dir); dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC; /* finally remove the old entry */ @@ -405,6 +444,8 @@ int hfsplus_rename_cat(u32 cnid, if (err) goto out; src_dir->i_size--; + if (type == HFSPLUS_FOLDER) + hfsplus_subfolders_dec(src_dir); src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC; /* remove old thread entry */ diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 08846425b67f..62d571eb69ba 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -242,6 +242,7 @@ struct hfsplus_inode_info { */ sector_t fs_blocks; u8 userflags; /* BSD user file flags */ + u32 subfolders; /* Subfolder count (HFSX only) */ struct list_head open_dir_list; loff_t phys_size; diff --git a/fs/hfsplus/hfsplus_raw.h b/fs/hfsplus/hfsplus_raw.h index 8ffb3a8ffe75..5a126828d85e 100644 --- a/fs/hfsplus/hfsplus_raw.h +++ b/fs/hfsplus/hfsplus_raw.h @@ -261,7 +261,7 @@ struct hfsplus_cat_folder { struct DInfo user_info; struct DXInfo finder_info; __be32 text_encoding; - u32 reserved; + __be32 subfolders; /* Subfolder count in HFSX. Reserved in HFS+. */ } __packed; /* HFS file info (stolen from hfs.h) */ @@ -301,11 +301,13 @@ struct hfsplus_cat_file { struct hfsplus_fork_raw rsrc_fork; } __packed; -/* File attribute bits */ +/* File and folder flag bits */ #define HFSPLUS_FILE_LOCKED 0x0001 #define HFSPLUS_FILE_THREAD_EXISTS 0x0002 #define HFSPLUS_XATTR_EXISTS 0x0004 #define HFSPLUS_ACL_EXISTS 0x0008 +#define HFSPLUS_HAS_FOLDER_COUNT 0x0010 /* Folder has subfolder count + * (HFSX only) */ /* HFS+ catalog thread (part of a cat_entry) */ struct hfsplus_cat_thread { diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index fa929f325f87..a4f45bd88a63 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -375,6 +375,7 @@ struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) hip->extent_state = 0; hip->flags = 0; hip->userflags = 0; + hip->subfolders = 0; memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec)); memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec)); hip->alloc_blocks = 0; @@ -494,6 +495,10 @@ int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd) inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date); HFSPLUS_I(inode)->create_date = folder->create_date; HFSPLUS_I(inode)->fs_blocks = 0; + if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) { + HFSPLUS_I(inode)->subfolders = + be32_to_cpu(folder->subfolders); + } inode->i_op = &hfsplus_dir_inode_operations; inode->i_fop = &hfsplus_dir_operations; } else if (type == HFSPLUS_FILE) { @@ -566,6 +571,10 @@ int hfsplus_cat_write_inode(struct inode *inode) folder->content_mod_date = hfsp_ut2mt(inode->i_mtime); folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime); folder->valence = cpu_to_be32(inode->i_size - 2); + if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) { + folder->subfolders = + cpu_to_be32(HFSPLUS_I(inode)->subfolders); + } hfs_bnode_write(fd.bnode, &entry, fd.entryoffset, sizeof(struct hfsplus_cat_folder)); } else if (HFSPLUS_IS_RSRC(inode)) { diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c index 968eab5bc1f5..68537e8b7a09 100644 --- a/fs/hfsplus/options.c +++ b/fs/hfsplus/options.c @@ -75,7 +75,7 @@ int hfsplus_parse_options_remount(char *input, int *force) int token; if (!input) - return 0; + return 1; while ((p = strsep(&input, ",")) != NULL) { if (!*p) diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 0d6ce895a9ee..0f4152defe7b 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -94,6 +94,7 @@ const void *kernfs_super_ns(struct super_block *sb) * @fs_type: file_system_type of the fs being mounted * @flags: mount flags specified for the mount * @root: kernfs_root of the hierarchy being mounted + * @new_sb_created: tell the caller if we allocated a new superblock * @ns: optional namespace tag of the mount * * This is to be called from each kernfs user's file_system_type->mount() @@ -104,7 +105,8 @@ const void *kernfs_super_ns(struct super_block *sb) * The return value can be passed to the vfs layer verbatim. */ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, const void *ns) + struct kernfs_root *root, bool *new_sb_created, + const void *ns) { struct super_block *sb; struct kernfs_super_info *info; @@ -122,6 +124,10 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, kfree(info); if (IS_ERR(sb)) return ERR_CAST(sb); + + if (new_sb_created) + *new_sb_created = !sb->s_root; + if (!sb->s_root) { error = kernfs_fill_super(sb); if (error) { diff --git a/fs/namei.c b/fs/namei.c index 385f7817bfcc..2f730ef9b4b3 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1884,7 +1884,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, nd->path = f.file->f_path; if (flags & LOOKUP_RCU) { - if (f.need_put) + if (f.flags & FDPUT_FPUT) *fp = f.file; nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq); rcu_read_lock(); diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index ef792f29f831..5d8ccecf5f5c 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -659,16 +659,19 @@ int nfs_async_inode_return_delegation(struct inode *inode, rcu_read_lock(); delegation = rcu_dereference(NFS_I(inode)->delegation); + if (delegation == NULL) + goto out_enoent; - if (!clp->cl_mvops->match_stateid(&delegation->stateid, stateid)) { - rcu_read_unlock(); - return -ENOENT; - } + if (!clp->cl_mvops->match_stateid(&delegation->stateid, stateid)) + goto out_enoent; nfs_mark_return_delegation(server, delegation); rcu_read_unlock(); nfs_delegation_run_state_manager(clp); return 0; +out_enoent: + rcu_read_unlock(); + return -ENOENT; } static struct inode * diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 12c8132ad408..b9a35c05b60f 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -324,8 +324,9 @@ static void filelayout_read_prepare(struct rpc_task *task, void *data) &rdata->res.seq_res, task)) return; - nfs4_set_rw_stateid(&rdata->args.stateid, rdata->args.context, - rdata->args.lock_context, FMODE_READ); + if (nfs4_set_rw_stateid(&rdata->args.stateid, rdata->args.context, + rdata->args.lock_context, FMODE_READ) == -EIO) + rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_read_call_done(struct rpc_task *task, void *data) @@ -435,8 +436,9 @@ static void filelayout_write_prepare(struct rpc_task *task, void *data) &wdata->res.seq_res, task)) return; - nfs4_set_rw_stateid(&wdata->args.stateid, wdata->args.context, - wdata->args.lock_context, FMODE_WRITE); + if (nfs4_set_rw_stateid(&wdata->args.stateid, wdata->args.context, + wdata->args.lock_context, FMODE_WRITE) == -EIO) + rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_write_call_done(struct rpc_task *task, void *data) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 2da6a698b8f7..450bfedbe2f4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2398,13 +2398,16 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred, if (nfs4_copy_delegation_stateid(&arg.stateid, inode, fmode)) { /* Use that stateid */ - } else if (truncate && state != NULL && nfs4_valid_open_stateid(state)) { + } else if (truncate && state != NULL) { struct nfs_lockowner lockowner = { .l_owner = current->files, .l_pid = current->tgid, }; - nfs4_select_rw_stateid(&arg.stateid, state, FMODE_WRITE, - &lockowner); + if (!nfs4_valid_open_stateid(state)) + return -EBADF; + if (nfs4_select_rw_stateid(&arg.stateid, state, FMODE_WRITE, + &lockowner) == -EIO) + return -EBADF; } else nfs4_stateid_copy(&arg.stateid, &zero_stateid); @@ -4011,8 +4014,9 @@ static bool nfs4_stateid_is_current(nfs4_stateid *stateid, { nfs4_stateid current_stateid; - if (nfs4_set_rw_stateid(¤t_stateid, ctx, l_ctx, fmode)) - return false; + /* If the current stateid represents a lost lock, then exit */ + if (nfs4_set_rw_stateid(¤t_stateid, ctx, l_ctx, fmode) == -EIO) + return true; return nfs4_stateid_match(stateid, ¤t_stateid); } @@ -5828,8 +5832,7 @@ struct nfs_release_lockowner_data { struct nfs4_lock_state *lsp; struct nfs_server *server; struct nfs_release_lockowner_args args; - struct nfs4_sequence_args seq_args; - struct nfs4_sequence_res seq_res; + struct nfs_release_lockowner_res res; unsigned long timestamp; }; @@ -5837,7 +5840,7 @@ static void nfs4_release_lockowner_prepare(struct rpc_task *task, void *calldata { struct nfs_release_lockowner_data *data = calldata; nfs40_setup_sequence(data->server, - &data->seq_args, &data->seq_res, task); + &data->args.seq_args, &data->res.seq_res, task); data->timestamp = jiffies; } @@ -5846,7 +5849,7 @@ static void nfs4_release_lockowner_done(struct rpc_task *task, void *calldata) struct nfs_release_lockowner_data *data = calldata; struct nfs_server *server = data->server; - nfs40_sequence_done(task, &data->seq_res); + nfs40_sequence_done(task, &data->res.seq_res); switch (task->tk_status) { case 0: @@ -5887,7 +5890,6 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st data = kmalloc(sizeof(*data), GFP_NOFS); if (!data) return -ENOMEM; - nfs4_init_sequence(&data->seq_args, &data->seq_res, 0); data->lsp = lsp; data->server = server; data->args.lock_owner.clientid = server->nfs_client->cl_clientid; @@ -5895,6 +5897,8 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st data->args.lock_owner.s_dev = server->s_dev; msg.rpc_argp = &data->args; + msg.rpc_resp = &data->res; + nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 0); rpc_call_async(server->client, &msg, 0, &nfs4_release_lockowner_ops, data); return 0; } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index e1a47217c05e..0deb32105ccf 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -974,9 +974,6 @@ static int nfs4_copy_lock_stateid(nfs4_stateid *dst, else if (lsp != NULL && test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0) { nfs4_stateid_copy(dst, &lsp->ls_stateid); ret = 0; - smp_rmb(); - if (!list_empty(&lsp->ls_seqid.list)) - ret = -EWOULDBLOCK; } spin_unlock(&state->state_lock); nfs4_put_lock_state(lsp); @@ -984,10 +981,9 @@ out: return ret; } -static int nfs4_copy_open_stateid(nfs4_stateid *dst, struct nfs4_state *state) +static void nfs4_copy_open_stateid(nfs4_stateid *dst, struct nfs4_state *state) { const nfs4_stateid *src; - int ret; int seq; do { @@ -996,12 +992,7 @@ static int nfs4_copy_open_stateid(nfs4_stateid *dst, struct nfs4_state *state) if (test_bit(NFS_OPEN_STATE, &state->flags)) src = &state->open_stateid; nfs4_stateid_copy(dst, src); - ret = 0; - smp_rmb(); - if (!list_empty(&state->owner->so_seqid.list)) - ret = -EWOULDBLOCK; } while (read_seqretry(&state->seqlock, seq)); - return ret; } /* @@ -1026,7 +1017,8 @@ int nfs4_select_rw_stateid(nfs4_stateid *dst, struct nfs4_state *state, * choose to use. */ goto out; - ret = nfs4_copy_open_stateid(dst, state); + nfs4_copy_open_stateid(dst, state); + ret = 0; out: if (nfs_server_capable(state->inode, NFS_CAP_STATEID_NFSV41)) dst->seqid = 0; diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index 0b9ff4395e6a..abc8cbcfe90e 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -86,7 +86,7 @@ static int dnotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name) + const unsigned char *file_name, u32 cookie) { struct dnotify_mark *dn_mark; struct dnotify_struct *dn; diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index 0e792f5e3147..dc638f786d5c 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -147,7 +147,7 @@ static int fanotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *fanotify_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name) + const unsigned char *file_name, u32 cookie) { int ret = 0; struct fanotify_event_info *event; @@ -192,10 +192,12 @@ static int fanotify_handle_event(struct fsnotify_group *group, ret = fsnotify_add_notify_event(group, fsn_event, fanotify_merge); if (ret) { - BUG_ON(mask & FAN_ALL_PERM_EVENTS); + /* Permission events shouldn't be merged */ + BUG_ON(ret == 1 && mask & FAN_ALL_PERM_EVENTS); /* Our event wasn't used in the end. Free it. */ fsnotify_destroy_event(group, fsn_event); - ret = 0; + + return 0; } #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index b6175fa11bf8..287a22c04149 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -698,6 +698,7 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags) struct fsnotify_group *group; int f_flags, fd; struct user_struct *user; + struct fanotify_event_info *oevent; pr_debug("%s: flags=%d event_f_flags=%d\n", __func__, flags, event_f_flags); @@ -730,8 +731,20 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags) group->fanotify_data.user = user; atomic_inc(&user->fanotify_listeners); + oevent = kmem_cache_alloc(fanotify_event_cachep, GFP_KERNEL); + if (unlikely(!oevent)) { + fd = -ENOMEM; + goto out_destroy_group; + } + group->overflow_event = &oevent->fse; + fsnotify_init_event(group->overflow_event, NULL, FS_Q_OVERFLOW); + oevent->tgid = get_pid(task_tgid(current)); + oevent->path.mnt = NULL; + oevent->path.dentry = NULL; + group->fanotify_data.f_flags = event_f_flags; #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + oevent->response = 0; mutex_init(&group->fanotify_data.access_mutex); init_waitqueue_head(&group->fanotify_data.access_waitq); INIT_LIST_HEAD(&group->fanotify_data.access_list); diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 1d4e1ea2f37c..9d3e9c50066a 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -179,7 +179,7 @@ static int send_to_group(struct inode *to_tell, return group->ops->handle_event(group, to_tell, inode_mark, vfsmount_mark, mask, data, data_is, - file_name); + file_name, cookie); } /* diff --git a/fs/notify/group.c b/fs/notify/group.c index ee674fe2cec7..ad1995980456 100644 --- a/fs/notify/group.c +++ b/fs/notify/group.c @@ -55,6 +55,13 @@ void fsnotify_destroy_group(struct fsnotify_group *group) /* clear the notification queue of all events */ fsnotify_flush_notify(group); + /* + * Destroy overflow event (we cannot use fsnotify_destroy_event() as + * that deliberately ignores overflow events. + */ + if (group->overflow_event) + group->ops->free_event(group->overflow_event); + fsnotify_put_group(group); } @@ -99,7 +106,6 @@ struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops) INIT_LIST_HEAD(&group->marks_list); group->ops = ops; - fsnotify_init_event(&group->overflow_event, NULL, FS_Q_OVERFLOW); return group; } diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h index 485eef3f4407..ed855ef6f077 100644 --- a/fs/notify/inotify/inotify.h +++ b/fs/notify/inotify/inotify.h @@ -27,6 +27,6 @@ extern int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name); + const unsigned char *file_name, u32 cookie); extern const struct fsnotify_ops inotify_fsnotify_ops; diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c index d5ee56348bb8..43ab1e1a07a2 100644 --- a/fs/notify/inotify/inotify_fsnotify.c +++ b/fs/notify/inotify/inotify_fsnotify.c @@ -67,7 +67,7 @@ int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name) + const unsigned char *file_name, u32 cookie) { struct inotify_inode_mark *i_mark; struct inotify_event_info *event; @@ -103,6 +103,7 @@ int inotify_handle_event(struct fsnotify_group *group, fsn_event = &event->fse; fsnotify_init_event(fsn_event, inode, mask); event->wd = i_mark->wd; + event->sync_cookie = cookie; event->name_len = len; if (len) strcpy(event->name, file_name); diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 497395c8274b..78a2ca3966c3 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -495,7 +495,7 @@ void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark, /* Queue ignore event for the watch */ inotify_handle_event(group, NULL, fsn_mark, NULL, FS_IN_IGNORED, - NULL, FSNOTIFY_EVENT_NONE, NULL); + NULL, FSNOTIFY_EVENT_NONE, NULL, 0); i_mark = container_of(fsn_mark, struct inotify_inode_mark, fsn_mark); /* remove this mark from the idr */ @@ -633,11 +633,23 @@ static int inotify_update_watch(struct fsnotify_group *group, struct inode *inod static struct fsnotify_group *inotify_new_group(unsigned int max_events) { struct fsnotify_group *group; + struct inotify_event_info *oevent; group = fsnotify_alloc_group(&inotify_fsnotify_ops); if (IS_ERR(group)) return group; + oevent = kmalloc(sizeof(struct inotify_event_info), GFP_KERNEL); + if (unlikely(!oevent)) { + fsnotify_destroy_group(group); + return ERR_PTR(-ENOMEM); + } + group->overflow_event = &oevent->fse; + fsnotify_init_event(group->overflow_event, NULL, FS_Q_OVERFLOW); + oevent->wd = -1; + oevent->sync_cookie = 0; + oevent->name_len = 0; + group->max_events = max_events; spin_lock_init(&group->inotify_data.idr_lock); diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 18b3c4427dca..1e58402171a5 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -80,7 +80,8 @@ void fsnotify_destroy_event(struct fsnotify_group *group, /* * Add an event to the group notification queue. The group can later pull this * event off the queue to deal with. The function returns 0 if the event was - * added to the queue, 1 if the event was merged with some other queued event. + * added to the queue, 1 if the event was merged with some other queued event, + * 2 if the queue of events has overflown. */ int fsnotify_add_notify_event(struct fsnotify_group *group, struct fsnotify_event *event, @@ -95,10 +96,14 @@ int fsnotify_add_notify_event(struct fsnotify_group *group, mutex_lock(&group->notification_mutex); if (group->q_len >= group->max_events) { + ret = 2; /* Queue overflow event only if it isn't already queued */ - if (list_empty(&group->overflow_event.list)) - event = &group->overflow_event; - ret = 1; + if (!list_empty(&group->overflow_event->list)) { + mutex_unlock(&group->notification_mutex); + return ret; + } + event = group->overflow_event; + goto queue; } if (!list_empty(list) && merge) { @@ -109,6 +114,7 @@ int fsnotify_add_notify_event(struct fsnotify_group *group, } } +queue: group->q_len++; list_add_tail(&event->list, list); mutex_unlock(&group->notification_mutex); @@ -132,7 +138,11 @@ struct fsnotify_event *fsnotify_remove_notify_event(struct fsnotify_group *group event = list_first_entry(&group->notification_list, struct fsnotify_event, list); - list_del(&event->list); + /* + * We need to init list head for the case of overflow event so that + * check in fsnotify_add_notify_events() works + */ + list_del_init(&event->list); group->q_len--; return event; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 8450262bcf2a..51632c40e896 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -2393,8 +2393,8 @@ out_dio: if (((file->f_flags & O_DSYNC) && !direct_io) || IS_SYNC(inode) || ((file->f_flags & O_DIRECT) && !direct_io)) { - ret = filemap_fdatawrite_range(file->f_mapping, pos, - pos + count - 1); + ret = filemap_fdatawrite_range(file->f_mapping, *ppos, + *ppos + count - 1); if (ret < 0) written = ret; @@ -2407,8 +2407,8 @@ out_dio: } if (!ret) - ret = filemap_fdatawait_range(file->f_mapping, pos, - pos + count - 1); + ret = filemap_fdatawait_range(file->f_mapping, *ppos, + *ppos + count - 1); } /* diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index aaa50611ec66..d7b5108789e2 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -717,6 +717,12 @@ static int ocfs2_release_dquot(struct dquot *dquot) */ if (status < 0) mlog_errno(status); + /* + * Clear dq_off so that we search for the structure in quota file next + * time we acquire it. The structure might be deleted and reallocated + * elsewhere by another node while our dquot structure is on freelist. + */ + dquot->dq_off = 0; clear_bit(DQ_ACTIVE_B, &dquot->dq_flags); out_trans: ocfs2_commit_trans(osb, handle); @@ -756,16 +762,17 @@ static int ocfs2_acquire_dquot(struct dquot *dquot) status = ocfs2_lock_global_qf(info, 1); if (status < 0) goto out; - if (!test_bit(DQ_READ_B, &dquot->dq_flags)) { - status = ocfs2_qinfo_lock(info, 0); - if (status < 0) - goto out_dq; - status = qtree_read_dquot(&info->dqi_gi, dquot); - ocfs2_qinfo_unlock(info, 0); - if (status < 0) - goto out_dq; - } - set_bit(DQ_READ_B, &dquot->dq_flags); + status = ocfs2_qinfo_lock(info, 0); + if (status < 0) + goto out_dq; + /* + * We always want to read dquot structure from disk because we don't + * know what happened with it while it was on freelist. + */ + status = qtree_read_dquot(&info->dqi_gi, dquot); + ocfs2_qinfo_unlock(info, 0); + if (status < 0) + goto out_dq; OCFS2_DQUOT(dquot)->dq_use_count++; OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace; diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 2e4344be3b96..2001862bf2b1 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -1303,10 +1303,6 @@ int ocfs2_local_release_dquot(handle_t *handle, struct dquot *dquot) ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh); out: - /* Clear the read bit so that next time someone uses this - * dquot he reads fresh info from disk and allocates local - * dquot structure */ - clear_bit(DQ_READ_B, &dquot->dq_flags); return status; } diff --git a/fs/open.c b/fs/open.c index 4b3e1edf2fe4..b9ed8b25c108 100644 --- a/fs/open.c +++ b/fs/open.c @@ -705,6 +705,10 @@ static int do_dentry_open(struct file *f, return 0; } + /* POSIX.1-2008/SUSv4 Section XSI 2.9.7 */ + if (S_ISREG(inode->i_mode)) + f->f_mode |= FMODE_ATOMIC_POS; + f->f_op = fops_get(inode->i_fop); if (unlikely(WARN_ON(!f->f_op))) { error = -ENODEV; diff --git a/fs/proc/base.c b/fs/proc/base.c index 51507065263b..b9760628e1fd 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1824,6 +1824,7 @@ static int proc_map_files_get_link(struct dentry *dentry, struct path *path) if (rc) goto out_mmput; + rc = -ENOENT; down_read(&mm->mmap_sem); vma = find_exact_vma(mm, vm_start, vm_end); if (vma && vma->vm_file) { diff --git a/fs/proc/page.c b/fs/proc/page.c index 02174a610315..e647c55275d9 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -121,9 +121,8 @@ u64 stable_page_flags(struct page *page) * just checks PG_head/PG_tail, so we need to check PageLRU/PageAnon * to make sure a given page is a thp, not a non-huge compound page. */ - else if (PageTransCompound(page) && - (PageLRU(compound_trans_head(page)) || - PageAnon(compound_trans_head(page)))) + else if (PageTransCompound(page) && (PageLRU(compound_head(page)) || + PageAnon(compound_head(page)))) u |= 1 << KPF_THP; /* diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 831d49a4111f..cfc8dcc16043 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -581,9 +581,17 @@ int dquot_scan_active(struct super_block *sb, dqstats_inc(DQST_LOOKUPS); dqput(old_dquot); old_dquot = dquot; - ret = fn(dquot, priv); - if (ret < 0) - goto out; + /* + * ->release_dquot() can be racing with us. Our reference + * protects us from new calls to it so just wait for any + * outstanding call and recheck the DQ_ACTIVE_B after that. + */ + wait_on_dquot(dquot); + if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) { + ret = fn(dquot, priv); + if (ret < 0) + goto out; + } spin_lock(&dq_list_lock); /* We are safe to continue now because our dquot could not * be moved out of the inuse list while we hold the reference */ diff --git a/fs/read_write.c b/fs/read_write.c index edc5746a902a..54e19b9392dc 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -264,10 +264,22 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int whence) } EXPORT_SYMBOL(vfs_llseek); +static inline struct fd fdget_pos(int fd) +{ + return __to_fd(__fdget_pos(fd)); +} + +static inline void fdput_pos(struct fd f) +{ + if (f.flags & FDPUT_POS_UNLOCK) + mutex_unlock(&f.file->f_pos_lock); + fdput(f); +} + SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) { off_t retval; - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); if (!f.file) return -EBADF; @@ -278,7 +290,7 @@ SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) if (res != (loff_t)retval) retval = -EOVERFLOW; /* LFS: should only happen on 32 bit platforms */ } - fdput(f); + fdput_pos(f); return retval; } @@ -498,7 +510,7 @@ static inline void file_pos_write(struct file *file, loff_t pos) SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret = -EBADF; if (f.file) { @@ -506,7 +518,7 @@ SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count) ret = vfs_read(f.file, buf, count, &pos); if (ret >= 0) file_pos_write(f.file, pos); - fdput(f); + fdput_pos(f); } return ret; } @@ -514,7 +526,7 @@ SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count) SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf, size_t, count) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret = -EBADF; if (f.file) { @@ -522,7 +534,7 @@ SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf, ret = vfs_write(f.file, buf, count, &pos); if (ret >= 0) file_pos_write(f.file, pos); - fdput(f); + fdput_pos(f); } return ret; @@ -797,7 +809,7 @@ EXPORT_SYMBOL(vfs_writev); SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec, unsigned long, vlen) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret = -EBADF; if (f.file) { @@ -805,7 +817,7 @@ SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec, ret = vfs_readv(f.file, vec, vlen, &pos); if (ret >= 0) file_pos_write(f.file, pos); - fdput(f); + fdput_pos(f); } if (ret > 0) @@ -817,7 +829,7 @@ SYSCALL_DEFINE3(readv, unsigned long, fd, const struct iovec __user *, vec, SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec, unsigned long, vlen) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret = -EBADF; if (f.file) { @@ -825,7 +837,7 @@ SYSCALL_DEFINE3(writev, unsigned long, fd, const struct iovec __user *, vec, ret = vfs_writev(f.file, vec, vlen, &pos); if (ret >= 0) file_pos_write(f.file, pos); - fdput(f); + fdput_pos(f); } if (ret > 0) @@ -968,7 +980,7 @@ COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd, const struct compat_iovec __user *,vec, compat_ulong_t, vlen) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret; loff_t pos; @@ -978,7 +990,7 @@ COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd, ret = compat_readv(f.file, vec, vlen, &pos); if (ret >= 0) f.file->f_pos = pos; - fdput(f); + fdput_pos(f); return ret; } @@ -1035,7 +1047,7 @@ COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd, const struct compat_iovec __user *, vec, compat_ulong_t, vlen) { - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); ssize_t ret; loff_t pos; @@ -1045,7 +1057,7 @@ COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd, ret = compat_writev(f.file, vec, vlen, &pos); if (ret >= 0) f.file->f_pos = pos; - fdput(f); + fdput_pos(f); return ret; } diff --git a/fs/sync.c b/fs/sync.c index e8ba024a055b..b28d1dd10e8b 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -27,11 +27,10 @@ * wait == 1 case since in that case write_inode() functions do * sync_dirty_buffer() and thus effectively write one block at a time. */ -static int __sync_filesystem(struct super_block *sb, int wait, - unsigned long start) +static int __sync_filesystem(struct super_block *sb, int wait) { if (wait) - sync_inodes_sb(sb, start); + sync_inodes_sb(sb); else writeback_inodes_sb(sb, WB_REASON_SYNC); @@ -48,7 +47,6 @@ static int __sync_filesystem(struct super_block *sb, int wait, int sync_filesystem(struct super_block *sb) { int ret; - unsigned long start = jiffies; /* * We need to be protected against the filesystem going from @@ -62,17 +60,17 @@ int sync_filesystem(struct super_block *sb) if (sb->s_flags & MS_RDONLY) return 0; - ret = __sync_filesystem(sb, 0, start); + ret = __sync_filesystem(sb, 0); if (ret < 0) return ret; - return __sync_filesystem(sb, 1, start); + return __sync_filesystem(sb, 1); } EXPORT_SYMBOL_GPL(sync_filesystem); static void sync_inodes_one_sb(struct super_block *sb, void *arg) { if (!(sb->s_flags & MS_RDONLY)) - sync_inodes_sb(sb, *((unsigned long *)arg)); + sync_inodes_sb(sb); } static void sync_fs_one_sb(struct super_block *sb, void *arg) @@ -104,10 +102,9 @@ static void fdatawait_one_bdev(struct block_device *bdev, void *arg) SYSCALL_DEFINE0(sync) { int nowait = 0, wait = 1; - unsigned long start = jiffies; wakeup_flusher_threads(0, WB_REASON_SYNC); - iterate_supers(sync_inodes_one_sb, &start); + iterate_supers(sync_inodes_one_sb, NULL); iterate_supers(sync_fs_one_sb, &nowait); iterate_supers(sync_fs_one_sb, &wait); iterate_bdevs(fdatawrite_one_bdev, NULL); diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 6211230814fd..3eaf5c6622eb 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -27,6 +27,7 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type, { struct dentry *root; void *ns; + bool new_sb; if (!(flags & MS_KERNMOUNT)) { if (!capable(CAP_SYS_ADMIN) && !fs_fully_visible(fs_type)) @@ -37,8 +38,8 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type, } ns = kobj_ns_grab_current(KOBJ_NS_TYPE_NET); - root = kernfs_mount_ns(fs_type, flags, sysfs_root, ns); - if (IS_ERR(root)) + root = kernfs_mount_ns(fs_type, flags, sysfs_root, &new_sb, ns); + if (IS_ERR(root) || !new_sb) kobj_ns_drop(KOBJ_NS_TYPE_NET, ns); return root; } diff --git a/fs/udf/file.c b/fs/udf/file.c index c02a27a19c6d..1037637957c7 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -144,6 +144,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, size_t count = iocb->ki_nbytes; struct udf_inode_info *iinfo = UDF_I(inode); + mutex_lock(&inode->i_mutex); down_write(&iinfo->i_data_sem); if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { if (file->f_flags & O_APPEND) @@ -156,6 +157,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, pos + count)) { err = udf_expand_file_adinicb(inode); if (err) { + mutex_unlock(&inode->i_mutex); udf_debug("udf_expand_adinicb: err=%d\n", err); return err; } @@ -169,9 +171,17 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, } else up_write(&iinfo->i_data_sem); - retval = generic_file_aio_write(iocb, iov, nr_segs, ppos); - if (retval > 0) + retval = __generic_file_aio_write(iocb, iov, nr_segs, &iocb->ki_pos); + mutex_unlock(&inode->i_mutex); + + if (retval > 0) { + ssize_t err; + mark_inode_dirty(inode); + err = generic_write_sync(file, iocb->ki_pos - retval, retval); + if (err < 0) + retval = err; + } return retval; } diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 062b7925bca0..982ce05c87ed 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -265,6 +265,7 @@ int udf_expand_file_adinicb(struct inode *inode) .nr_to_write = 1, }; + WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex)); if (!iinfo->i_lenAlloc) { if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT; diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f317488263dd..d971f4932b5d 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -913,7 +913,7 @@ xfs_flush_inodes( struct super_block *sb = mp->m_super; if (down_read_trylock(&sb->s_umount)) { - sync_inodes_sb(sb, jiffies); + sync_inodes_sb(sb); up_read(&sb->s_umount); } } diff --git a/include/dt-bindings/clock/tegra124-car.h b/include/dt-bindings/clock/tegra124-car.h index a1116a3b54ef..8c1603b10665 100644 --- a/include/dt-bindings/clock/tegra124-car.h +++ b/include/dt-bindings/clock/tegra124-car.h @@ -36,10 +36,10 @@ #define TEGRA124_CLK_PWM 17 #define TEGRA124_CLK_I2S2 18 /* 20 (register bit affects vi and vi_sensor) */ -#define TEGRA124_CLK_GR_2D 21 +/* 21 */ #define TEGRA124_CLK_USBD 22 #define TEGRA124_CLK_ISP 23 -#define TEGRA124_CLK_GR_3D 24 +/* 26 */ /* 25 */ #define TEGRA124_CLK_DISP2 26 #define TEGRA124_CLK_DISP1 27 diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127bfed3..f27000f55a83 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -171,6 +171,11 @@ static inline int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 add return 0; } +static inline int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) +{ + return -ENXIO; +} + static inline int kvm_vgic_init(struct kvm *kvm) { return 0; diff --git a/include/linux/audit.h b/include/linux/audit.h index aa865a9a4c4f..ec1464df4c60 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -43,6 +43,7 @@ struct mq_attr; struct mqstat; struct audit_watch; struct audit_tree; +struct sk_buff; struct audit_krule { int vers_ops; @@ -463,7 +464,7 @@ extern int audit_filter_user(int type); extern int audit_filter_type(int type); extern int audit_rule_change(int type, __u32 portid, int seq, void *data, size_t datasz); -extern int audit_list_rules_send(__u32 portid, int seq); +extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); extern u32 audit_enabled; #else /* CONFIG_AUDIT */ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 18ba8a627f46..2ff2e8d982be 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -121,8 +121,7 @@ void blk_mq_init_commands(struct request_queue *, void (*init)(void *data, struc void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); -void blk_mq_insert_request(struct request_queue *, struct request *, - bool, bool); +void blk_mq_insert_request(struct request *, bool, bool, bool); void blk_mq_run_queues(struct request_queue *q, bool async); void blk_mq_free_request(struct request *rq); bool blk_mq_can_queue(struct blk_mq_hw_ctx *); @@ -134,7 +133,13 @@ struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_ind struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_reg *, unsigned int); void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *, unsigned int); -void blk_mq_end_io(struct request *rq, int error); +bool blk_mq_end_io_partial(struct request *rq, int error, + unsigned int nr_bytes); +static inline void blk_mq_end_io(struct request *rq, int error) +{ + bool done = !blk_mq_end_io_partial(rq, error, blk_rq_bytes(rq)); + BUG_ON(!done); +} void blk_mq_complete_request(struct request *rq); diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index 092b64168d7f..4a21a872dbbd 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -245,6 +245,10 @@ long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, void omap2_init_clk_clkdm(struct clk_hw *clk); unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw, unsigned long parent_rate); +int omap3_clkoutx2_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate); +long omap3_clkoutx2_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate); int omap2_clkops_enable_clkdm(struct clk_hw *hw); void omap2_clkops_disable_clkdm(struct clk_hw *hw); int omap2_clk_disable_autoidle_all(void); diff --git a/include/linux/file.h b/include/linux/file.h index cbacf4faf447..4d69123377a2 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -28,33 +28,36 @@ static inline void fput_light(struct file *file, int fput_needed) struct fd { struct file *file; - int need_put; + unsigned int flags; }; +#define FDPUT_FPUT 1 +#define FDPUT_POS_UNLOCK 2 static inline void fdput(struct fd fd) { - if (fd.need_put) + if (fd.flags & FDPUT_FPUT) fput(fd.file); } extern struct file *fget(unsigned int fd); -extern struct file *fget_light(unsigned int fd, int *fput_needed); +extern struct file *fget_raw(unsigned int fd); +extern unsigned long __fdget(unsigned int fd); +extern unsigned long __fdget_raw(unsigned int fd); +extern unsigned long __fdget_pos(unsigned int fd); -static inline struct fd fdget(unsigned int fd) +static inline struct fd __to_fd(unsigned long v) { - int b; - struct file *f = fget_light(fd, &b); - return (struct fd){f,b}; + return (struct fd){(struct file *)(v & ~3),v & 3}; } -extern struct file *fget_raw(unsigned int fd); -extern struct file *fget_raw_light(unsigned int fd, int *fput_needed); +static inline struct fd fdget(unsigned int fd) +{ + return __to_fd(__fdget(fd)); +} static inline struct fd fdget_raw(unsigned int fd) { - int b; - struct file *f = fget_raw_light(fd, &b); - return (struct fd){f,b}; + return __to_fd(__fdget_raw(fd)); } extern int f_dupfd(unsigned int from, struct file *file, unsigned flags); diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 5d7782e42b8f..c3683bdf28fe 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -200,6 +200,7 @@ struct fw_device { unsigned irmc:1; unsigned bc_implemented:2; + work_func_t workfn; struct delayed_work work; struct fw_attribute_group attribute_group; }; diff --git a/include/linux/fs.h b/include/linux/fs.h index 60829565e552..23b2a35d712e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -123,6 +123,9 @@ typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* File is opened with O_PATH; almost nothing can be done with it */ #define FMODE_PATH ((__force fmode_t)0x4000) +/* File needs atomic accesses to f_pos */ +#define FMODE_ATOMIC_POS ((__force fmode_t)0x8000) + /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x1000000) @@ -780,13 +783,14 @@ struct file { const struct file_operations *f_op; /* - * Protects f_ep_links, f_flags, f_pos vs i_size in lseek SEEK_CUR. + * Protects f_ep_links, f_flags. * Must not be taken from IRQ context. */ spinlock_t f_lock; atomic_long_t f_count; unsigned int f_flags; fmode_t f_mode; + struct mutex f_pos_lock; loff_t f_pos; struct fown_struct f_owner; const struct cred *f_cred; @@ -808,7 +812,7 @@ struct file { #ifdef CONFIG_DEBUG_WRITECOUNT unsigned long f_mnt_write_state; #endif -}; +} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ struct file_handle { __u32 handle_bytes; diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 3d286ff49ab0..64cf3ef50696 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -99,7 +99,7 @@ struct fsnotify_ops { struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name); + const unsigned char *file_name, u32 cookie); void (*free_group_priv)(struct fsnotify_group *group); void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group); void (*free_event)(struct fsnotify_event *event); @@ -160,7 +160,7 @@ struct fsnotify_group { struct fasync_struct *fsn_fa; /* async notification */ - struct fsnotify_event overflow_event; /* Event we queue when the + struct fsnotify_event *overflow_event; /* Event we queue when the * notification list is too * full */ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 0437439bc047..39b81dc7d01a 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -123,6 +123,10 @@ struct vm_area_struct; __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | \ __GFP_NO_KSWAPD) +/* + * GFP_THISNODE does not perform any reclaim, you most likely want to + * use __GFP_THISNODE to allocate from a given node without fallback! + */ #ifdef CONFIG_NUMA #define GFP_THISNODE (__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY) #else diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index db512014e061..b826239bdce0 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -157,46 +157,6 @@ static inline int hpage_nr_pages(struct page *page) return HPAGE_PMD_NR; return 1; } -/* - * compound_trans_head() should be used instead of compound_head(), - * whenever the "page" passed as parameter could be the tail of a - * transparent hugepage that could be undergoing a - * __split_huge_page_refcount(). The page structure layout often - * changes across releases and it makes extensive use of unions. So if - * the page structure layout will change in a way that - * page->first_page gets clobbered by __split_huge_page_refcount, the - * implementation making use of smp_rmb() will be required. - * - * Currently we define compound_trans_head as compound_head, because - * page->private is in the same union with page->first_page, and - * page->private isn't clobbered. However this also means we're - * currently leaving dirt into the page->private field of anonymous - * pages resulting from a THP split, instead of setting page->private - * to zero like for every other page that has PG_private not set. But - * anonymous pages don't use page->private so this is not a problem. - */ -#if 0 -/* This will be needed if page->private will be clobbered in split_huge_page */ -static inline struct page *compound_trans_head(struct page *page) -{ - if (PageTail(page)) { - struct page *head; - head = page->first_page; - smp_rmb(); - /* - * head may be a dangling pointer. - * __split_huge_page_refcount clears PageTail before - * overwriting first_page, so if PageTail is still - * there it means the head pointer isn't dangling. - */ - if (PageTail(page)) - return head; - } - return page; -} -#else -#define compound_trans_head(page) compound_head(page) -#endif extern int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, pmd_t pmd, pmd_t *pmdp); @@ -226,7 +186,6 @@ static inline int split_huge_page(struct page *page) do { } while (0) #define split_huge_page_pmd_mm(__mm, __address, __pmd) \ do { } while (0) -#define compound_trans_head(page) compound_head(page) static inline int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags, int advice) { diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index e7831d203737..35e7eca4e33b 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -118,9 +118,7 @@ extern int mq_init_ns(struct ipc_namespace *ns); * the new maximum will handle anyone else. I may have to revisit this * in the future. */ -#define MIN_QUEUESMAX 1 #define DFLT_QUEUESMAX 256 -#define HARD_QUEUESMAX 1024 #define MIN_MSGMAX 1 #define DFLT_MSG 10U #define DFLT_MSGMAX 10 diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 5be9f0228a3b..d267623c28cf 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -249,7 +249,8 @@ void kernfs_notify(struct kernfs_node *kn); const void *kernfs_super_ns(struct super_block *sb); struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, const void *ns); + struct kernfs_root *root, bool *new_sb_created, + const void *ns); void kernfs_kill_sb(struct super_block *sb); void kernfs_init(void); @@ -317,7 +318,7 @@ static inline const void *kernfs_super_ns(struct super_block *sb) static inline struct dentry * kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, const void *ns) + struct kernfs_root *root, bool *new_sb_created, const void *ns) { return ERR_PTR(-ENOSYS); } static inline void kernfs_kill_sb(struct super_block *sb) { } @@ -368,9 +369,9 @@ static inline int kernfs_remove_by_name(struct kernfs_node *parent, static inline struct dentry * kernfs_mount(struct file_system_type *fs_type, int flags, - struct kernfs_root *root) + struct kernfs_root *root, bool *new_sb_created) { - return kernfs_mount_ns(fs_type, flags, root, NULL); + return kernfs_mount_ns(fs_type, flags, root, new_sb_created, NULL); } #endif /* __LINUX_KERNFS_H */ diff --git a/include/linux/mm.h b/include/linux/mm.h index f28f46eade6a..c1b7414c7bef 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -175,7 +175,7 @@ extern unsigned int kobjsize(const void *objp); * Special vmas that are non-mergable, non-mlock()able. * Note: mm/huge_memory.c VM_NO_THP depends on this definition. */ -#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP) +#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP | VM_MIXEDMAP) /* * mapping from the currently active vm_flags protection bits (the @@ -399,8 +399,18 @@ static inline void compound_unlock_irqrestore(struct page *page, static inline struct page *compound_head(struct page *page) { - if (unlikely(PageTail(page))) - return page->first_page; + if (unlikely(PageTail(page))) { + struct page *head = page->first_page; + + /* + * page->first_page may be a dangling pointer to an old + * compound page, so recheck that it is still a tail + * page before returning. + */ + smp_rmb(); + if (likely(PageTail(page))) + return head; + } return page; } @@ -757,7 +767,7 @@ static inline bool __cpupid_match_pid(pid_t task_pid, int cpupid) #ifdef LAST_CPUPID_NOT_IN_PAGE_FLAGS static inline int page_cpupid_xchg_last(struct page *page, int cpupid) { - return xchg(&page->_last_cpupid, cpupid); + return xchg(&page->_last_cpupid, cpupid & LAST_CPUPID_MASK); } static inline int page_cpupid_last(struct page *page) @@ -766,7 +776,7 @@ static inline int page_cpupid_last(struct page *page) } static inline void page_cpupid_reset_last(struct page *page) { - page->_last_cpupid = -1; + page->_last_cpupid = -1 & LAST_CPUPID_MASK; } #else static inline int page_cpupid_last(struct page *page) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 5f2052c83154..9b61b9bf81ac 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -590,10 +590,10 @@ static inline bool zone_is_empty(struct zone *zone) /* * The NUMA zonelists are doubled because we need zonelists that restrict the - * allocations to a single node for GFP_THISNODE. + * allocations to a single node for __GFP_THISNODE. * * [0] : Zonelist with fallback - * [1] : No fallback (GFP_THISNODE) + * [1] : No fallback (__GFP_THISNODE) */ #define MAX_ZONELISTS 2 diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index b2fb167b2e6d..5624e4e2763c 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -467,9 +467,14 @@ struct nfs_lockt_res { }; struct nfs_release_lockowner_args { + struct nfs4_sequence_args seq_args; struct nfs_lowner lock_owner; }; +struct nfs_release_lockowner_res { + struct nfs4_sequence_res seq_res; +}; + struct nfs4_delegreturnargs { struct nfs4_sequence_args seq_args; const struct nfs_fh *fhandle; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 3ebbbe7b6d05..5e1e6f2d98c2 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2725,7 +2725,7 @@ static inline void nf_reset(struct sk_buff *skb) static inline void nf_reset_trace(struct sk_buff *skb) { -#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) +#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) || defined(CONFIG_NF_TABLES) skb->nf_trace = 0; #endif } @@ -2742,6 +2742,9 @@ static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src) dst->nf_bridge = src->nf_bridge; nf_bridge_get(src->nf_bridge); #endif +#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) || defined(CONFIG_NF_TABLES) + dst->nf_trace = src->nf_trace; +#endif } static inline void nf_copy(struct sk_buff *dst, const struct sk_buff *src) diff --git a/include/linux/slab.h b/include/linux/slab.h index 9260abdd67df..b5b2df60299e 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -410,7 +410,7 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags) * * %GFP_NOWAIT - Allocation will not sleep. * - * %GFP_THISNODE - Allocate node-local memory only. + * %__GFP_THISNODE - Allocate node-local memory only. * * %GFP_DMA - Allocation suitable for DMA. * Should only be used for kmalloc() caches. Otherwise, use a diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index accc497f8d72..7159a0a933df 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -60,6 +60,12 @@ struct tp_module { unsigned int num_tracepoints; struct tracepoint * const *tracepoints_ptrs; }; +bool trace_module_has_bad_taint(struct module *mod); +#else +static inline bool trace_module_has_bad_taint(struct module *mod) +{ + return false; +} #endif /* CONFIG_MODULES */ struct tracepoint_iter { diff --git a/include/linux/writeback.h b/include/linux/writeback.h index fc0e4320aa6d..021b8a319b9e 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -97,7 +97,7 @@ void writeback_inodes_sb_nr(struct super_block *, unsigned long nr, int try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason); int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr, enum wb_reason reason); -void sync_inodes_sb(struct super_block *sb, unsigned long older_than_this); +void sync_inodes_sb(struct super_block *); void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); void inode_wait_for_writeback(struct inode *inode); diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 48ed75c21260..e77c10405d51 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -129,6 +129,7 @@ int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[], int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[], struct ip_tunnel_parm *p); void ip_tunnel_setup(struct net_device *dev, int net_id); +void ip_tunnel_dst_reset_all(struct ip_tunnel *t); /* Extract dsfield from inner protocol */ static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph, diff --git a/include/net/sock.h b/include/net/sock.h index 5c3f7c3624aa..b9586a137cad 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1488,6 +1488,11 @@ static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) */ #define sock_owned_by_user(sk) ((sk)->sk_lock.owned) +static inline void sock_release_ownership(struct sock *sk) +{ + sk->sk_lock.owned = 0; +} + /* * Macro so as to not evaluate some arguments when * lockdep is not enabled. @@ -2186,7 +2191,6 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, { #define FLAGS_TS_OR_DROPS ((1UL << SOCK_RXQ_OVFL) | \ (1UL << SOCK_RCVTSTAMP) | \ - (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE) | \ (1UL << SOCK_TIMESTAMPING_SOFTWARE) | \ (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE) | \ (1UL << SOCK_TIMESTAMPING_SYS_HARDWARE)) diff --git a/include/net/tcp.h b/include/net/tcp.h index 56fc366da6d5..8c4dd63134d4 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1303,7 +1303,8 @@ struct tcp_fastopen_request { /* Fast Open cookie. Size 0 means a cookie request */ struct tcp_fastopen_cookie cookie; struct msghdr *data; /* data in MSG_FASTOPEN */ - u16 copied; /* queued in tcp_connect() */ + size_t size; + int copied; /* queued in tcp_connect() */ }; void tcp_free_fastopen_req(struct tcp_sock *tp); diff --git a/include/net/xfrm.h b/include/net/xfrm.h index afa5730fb3bd..fb5654a8ca3c 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1648,6 +1648,11 @@ static inline int xfrm_aevent_is_on(struct net *net) } #endif +static inline int aead_len(struct xfrm_algo_aead *alg) +{ + return sizeof(*alg) + ((alg->alg_key_len + 7) / 8); +} + static inline int xfrm_alg_len(const struct xfrm_algo *alg) { return sizeof(*alg) + ((alg->alg_key_len + 7) / 8); @@ -1686,6 +1691,12 @@ static inline int xfrm_replay_clone(struct xfrm_state *x, return 0; } +static inline struct xfrm_algo_aead *xfrm_algo_aead_clone(struct xfrm_algo_aead *orig) +{ + return kmemdup(orig, aead_len(orig), GFP_KERNEL); +} + + static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig) { return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL); diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 68d92e36facd..6e89ef6c11c1 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -449,14 +449,22 @@ void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, /* dapm audio pin control and status */ int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); +int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, const char *pin); +int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); +int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, const char *pin); int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin); +int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin); int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, const char *pin); void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec); diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h index ae5a17111968..4483fadfa68d 100644 --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -12,6 +12,7 @@ struct iscsit_transport { int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *); int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *); void (*iscsit_free_np)(struct iscsi_np *); + void (*iscsit_wait_conn)(struct iscsi_conn *); void (*iscsit_free_conn)(struct iscsi_conn *); int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *); int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32); diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index ddc179b7a105..1fef3e6e9436 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -83,7 +83,7 @@ DECLARE_EVENT_CLASS(rpc_task_running, ), TP_fast_assign( - __entry->client_id = clnt->cl_clid; + __entry->client_id = clnt ? clnt->cl_clid : -1; __entry->task_id = task->tk_pid; __entry->action = action; __entry->runstate = task->tk_runstate; @@ -91,7 +91,7 @@ DECLARE_EVENT_CLASS(rpc_task_running, __entry->flags = task->tk_flags; ), - TP_printk("task:%u@%u flags=%4.4x state=%4.4lx status=%d action=%pf", + TP_printk("task:%u@%d flags=%4.4x state=%4.4lx status=%d action=%pf", __entry->task_id, __entry->client_id, __entry->flags, __entry->runstate, diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index c7bbbe794e65..464ea82e10db 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -287,11 +287,11 @@ TRACE_EVENT(writeback_queue_io, __field(int, reason) ), TP_fast_assign( - unsigned long older_than_this = work->older_than_this; + unsigned long *older_than_this = work->older_than_this; strncpy(__entry->name, dev_name(wb->bdi->dev), 32); - __entry->older = older_than_this; + __entry->older = older_than_this ? *older_than_this : 0; __entry->age = older_than_this ? - (jiffies - older_than_this) * 1000 / HZ : -1; + (jiffies - *older_than_this) * 1000 / HZ : -1; __entry->moved = moved; __entry->reason = work->reason; ), diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index a20a9b4d3871..dde8041f40d2 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -692,9 +692,13 @@ __SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \ __SYSCALL(__NR_kcmp, sys_kcmp) #define __NR_finit_module 273 __SYSCALL(__NR_finit_module, sys_finit_module) +#define __NR_sched_setattr 274 +__SYSCALL(__NR_sched_setattr, sys_sched_setattr) +#define __NR_sched_getattr 275 +__SYSCALL(__NR_sched_getattr, sys_sched_getattr) #undef __NR_syscalls -#define __NR_syscalls 274 +#define __NR_syscalls 276 /* * All syscalls below here should go away really, diff --git a/init/main.c b/init/main.c index eb03090cdced..9c7fd4c9249f 100644 --- a/init/main.c +++ b/init/main.c @@ -561,7 +561,6 @@ asmlinkage void __init start_kernel(void) init_timers(); hrtimers_init(); softirq_init(); - acpi_early_init(); timekeeping_init(); time_init(); sched_clock_postinit(); @@ -613,6 +612,7 @@ asmlinkage void __init start_kernel(void) calibrate_delay(); pidmap_init(); anon_vma_init(); + acpi_early_init(); #ifdef CONFIG_X86 if (efi_enabled(EFI_RUNTIME_SERVICES)) efi_enter_virtual_mode(); diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c index 383d638340b8..5bb8bfe67149 100644 --- a/ipc/mq_sysctl.c +++ b/ipc/mq_sysctl.c @@ -22,6 +22,16 @@ static void *get_mq(ctl_table *table) return which; } +static int proc_mq_dointvec(ctl_table *table, int write, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + struct ctl_table mq_table; + memcpy(&mq_table, table, sizeof(mq_table)); + mq_table.data = get_mq(table); + + return proc_dointvec(&mq_table, write, buffer, lenp, ppos); +} + static int proc_mq_dointvec_minmax(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -33,12 +43,10 @@ static int proc_mq_dointvec_minmax(ctl_table *table, int write, lenp, ppos); } #else +#define proc_mq_dointvec NULL #define proc_mq_dointvec_minmax NULL #endif -static int msg_queues_limit_min = MIN_QUEUESMAX; -static int msg_queues_limit_max = HARD_QUEUESMAX; - static int msg_max_limit_min = MIN_MSGMAX; static int msg_max_limit_max = HARD_MSGMAX; @@ -51,9 +59,7 @@ static ctl_table mq_sysctls[] = { .data = &init_ipc_ns.mq_queues_max, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_mq_dointvec_minmax, - .extra1 = &msg_queues_limit_min, - .extra2 = &msg_queues_limit_max, + .proc_handler = proc_mq_dointvec, }, { .procname = "msg_max", diff --git a/ipc/mqueue.c b/ipc/mqueue.c index ccf1f9fd263a..c3b31179122c 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -433,9 +433,9 @@ static int mqueue_create(struct inode *dir, struct dentry *dentry, error = -EACCES; goto out_unlock; } - if (ipc_ns->mq_queues_count >= HARD_QUEUESMAX || - (ipc_ns->mq_queues_count >= ipc_ns->mq_queues_max && - !capable(CAP_SYS_RESOURCE))) { + + if (ipc_ns->mq_queues_count >= ipc_ns->mq_queues_max && + !capable(CAP_SYS_RESOURCE)) { error = -ENOSPC; goto out_unlock; } diff --git a/ipc/msg.c b/ipc/msg.c index 245db1140ad6..649853105a5d 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -901,6 +901,8 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int msgfl return -EINVAL; if (msgflg & MSG_COPY) { + if ((msgflg & MSG_EXCEPT) || !(msgflg & IPC_NOWAIT)) + return -EINVAL; copy = prepare_copy(buf, min_t(size_t, bufsz, ns->msg_ctlmax)); if (IS_ERR(copy)) return PTR_ERR(copy); diff --git a/kernel/audit.c b/kernel/audit.c index 34c5a2310fbf..3392d3e0254a 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -182,7 +182,7 @@ struct audit_buffer { struct audit_reply { __u32 portid; - pid_t pid; + struct net *net; struct sk_buff *skb; }; @@ -500,7 +500,7 @@ int audit_send_list(void *_dest) { struct audit_netlink_list *dest = _dest; struct sk_buff *skb; - struct net *net = get_net_ns_by_pid(dest->pid); + struct net *net = dest->net; struct audit_net *aunet = net_generic(net, audit_net_id); /* wait for parent to finish and send an ACK */ @@ -510,6 +510,7 @@ int audit_send_list(void *_dest) while ((skb = __skb_dequeue(&dest->q)) != NULL) netlink_unicast(aunet->nlsk, skb, dest->portid, 0); + put_net(net); kfree(dest); return 0; @@ -543,7 +544,7 @@ out_kfree_skb: static int audit_send_reply_thread(void *arg) { struct audit_reply *reply = (struct audit_reply *)arg; - struct net *net = get_net_ns_by_pid(reply->pid); + struct net *net = reply->net; struct audit_net *aunet = net_generic(net, audit_net_id); mutex_lock(&audit_cmd_mutex); @@ -552,12 +553,13 @@ static int audit_send_reply_thread(void *arg) /* Ignore failure. It'll only happen if the sender goes away, because our timeout is set to infinite. */ netlink_unicast(aunet->nlsk , reply->skb, reply->portid, 0); + put_net(net); kfree(reply); return 0; } /** * audit_send_reply - send an audit reply message via netlink - * @portid: netlink port to which to send reply + * @request_skb: skb of request we are replying to (used to target the reply) * @seq: sequence number * @type: audit message type * @done: done (last) flag @@ -568,9 +570,11 @@ static int audit_send_reply_thread(void *arg) * Allocates an skb, builds the netlink message, and sends it to the port id. * No failure notifications. */ -static void audit_send_reply(__u32 portid, int seq, int type, int done, +static void audit_send_reply(struct sk_buff *request_skb, int seq, int type, int done, int multi, const void *payload, int size) { + u32 portid = NETLINK_CB(request_skb).portid; + struct net *net = sock_net(NETLINK_CB(request_skb).sk); struct sk_buff *skb; struct task_struct *tsk; struct audit_reply *reply = kmalloc(sizeof(struct audit_reply), @@ -583,8 +587,8 @@ static void audit_send_reply(__u32 portid, int seq, int type, int done, if (!skb) goto out; + reply->net = get_net(net); reply->portid = portid; - reply->pid = task_pid_vnr(current); reply->skb = skb; tsk = kthread_run(audit_send_reply_thread, reply, "audit_send_reply"); @@ -673,8 +677,7 @@ static int audit_get_feature(struct sk_buff *skb) seq = nlmsg_hdr(skb)->nlmsg_seq; - audit_send_reply(NETLINK_CB(skb).portid, seq, AUDIT_GET, 0, 0, - &af, sizeof(af)); + audit_send_reply(skb, seq, AUDIT_GET, 0, 0, &af, sizeof(af)); return 0; } @@ -794,8 +797,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) s.backlog = skb_queue_len(&audit_skb_queue); s.version = AUDIT_VERSION_LATEST; s.backlog_wait_time = audit_backlog_wait_time; - audit_send_reply(NETLINK_CB(skb).portid, seq, AUDIT_GET, 0, 0, - &s, sizeof(s)); + audit_send_reply(skb, seq, AUDIT_GET, 0, 0, &s, sizeof(s)); break; } case AUDIT_SET: { @@ -905,7 +907,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) seq, data, nlmsg_len(nlh)); break; case AUDIT_LIST_RULES: - err = audit_list_rules_send(NETLINK_CB(skb).portid, seq); + err = audit_list_rules_send(skb, seq); break; case AUDIT_TRIM: audit_trim_trees(); @@ -970,8 +972,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) memcpy(sig_data->ctx, ctx, len); security_release_secctx(ctx, len); } - audit_send_reply(NETLINK_CB(skb).portid, seq, AUDIT_SIGNAL_INFO, - 0, 0, sig_data, sizeof(*sig_data) + len); + audit_send_reply(skb, seq, AUDIT_SIGNAL_INFO, 0, 0, + sig_data, sizeof(*sig_data) + len); kfree(sig_data); break; case AUDIT_TTY_GET: { @@ -983,8 +985,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) s.log_passwd = tsk->signal->audit_tty_log_passwd; spin_unlock(&tsk->sighand->siglock); - audit_send_reply(NETLINK_CB(skb).portid, seq, - AUDIT_TTY_GET, 0, 0, &s, sizeof(s)); + audit_send_reply(skb, seq, AUDIT_TTY_GET, 0, 0, &s, sizeof(s)); break; } case AUDIT_TTY_SET: { diff --git a/kernel/audit.h b/kernel/audit.h index 57cc64d67718..8df132214606 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -247,7 +247,7 @@ extern void audit_panic(const char *message); struct audit_netlink_list { __u32 portid; - pid_t pid; + struct net *net; struct sk_buff_head q; }; diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 67ccf0e7cca9..135944a7b28a 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -916,7 +916,7 @@ static int audit_tree_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *file_name) + const unsigned char *file_name, u32 cookie) { return 0; } diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index 2596fac5dcb4..70b4554d2fbe 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -471,7 +471,7 @@ static int audit_watch_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, void *data, int data_type, - const unsigned char *dname) + const unsigned char *dname, u32 cookie) { struct inode *inode; struct audit_parent *parent; diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 14a78cca384e..92062fd6cc8c 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -29,6 +29,8 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/security.h> +#include <net/net_namespace.h> +#include <net/sock.h> #include "audit.h" /* @@ -1065,11 +1067,13 @@ int audit_rule_change(int type, __u32 portid, int seq, void *data, /** * audit_list_rules_send - list the audit rules - * @portid: target portid for netlink audit messages + * @request_skb: skb of request we are replying to (used to target the reply) * @seq: netlink audit message sequence (serial) number */ -int audit_list_rules_send(__u32 portid, int seq) +int audit_list_rules_send(struct sk_buff *request_skb, int seq) { + u32 portid = NETLINK_CB(request_skb).portid; + struct net *net = sock_net(NETLINK_CB(request_skb).sk); struct task_struct *tsk; struct audit_netlink_list *dest; int err = 0; @@ -1083,8 +1087,8 @@ int audit_list_rules_send(__u32 portid, int seq) dest = kmalloc(sizeof(struct audit_netlink_list), GFP_KERNEL); if (!dest) return -ENOMEM; + dest->net = get_net(net); dest->portid = portid; - dest->pid = task_pid_vnr(current); skb_queue_head_init(&dest->q); mutex_lock(&audit_filter_mutex); diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 4410ac6a55f1..e6b1b66afe52 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -974,12 +974,6 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs, * Temporarilly set tasks mems_allowed to target nodes of migration, * so that the migration code can allocate pages on these nodes. * - * Call holding cpuset_mutex, so current's cpuset won't change - * during this call, as manage_mutex holds off any cpuset_attach() - * calls. Therefore we don't need to take task_lock around the - * call to guarantee_online_mems(), as we know no one is changing - * our task's cpuset. - * * While the mm_struct we are migrating is typically from some * other task, the task_struct mems_allowed that we are hacking * is for our current task, which must allocate new pages for that @@ -996,8 +990,10 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from, do_migrate_pages(mm, from, to, MPOL_MF_MOVE_ALL); + rcu_read_lock(); mems_cs = effective_nodemask_cpuset(task_cs(tsk)); guarantee_online_mems(mems_cs, &tsk->mems_allowed); + rcu_read_unlock(); } /* @@ -2486,9 +2482,9 @@ int __cpuset_node_allowed_softwall(int node, gfp_t gfp_mask) task_lock(current); cs = nearest_hardwall_ancestor(task_cs(current)); + allowed = node_isset(node, cs->mems_allowed); task_unlock(current); - allowed = node_isset(node, cs->mems_allowed); mutex_unlock(&callback_mutex); return allowed; } diff --git a/kernel/events/core.c b/kernel/events/core.c index 56003c6edfd3..fa0b2d4ad83c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7856,14 +7856,14 @@ static void perf_pmu_rotate_stop(struct pmu *pmu) static void __perf_event_exit_context(void *__info) { struct perf_event_context *ctx = __info; - struct perf_event *event, *tmp; + struct perf_event *event; perf_pmu_rotate_stop(ctx->pmu); - list_for_each_entry_safe(event, tmp, &ctx->pinned_groups, group_entry) - __perf_remove_from_context(event); - list_for_each_entry_safe(event, tmp, &ctx->flexible_groups, group_entry) + rcu_read_lock(); + list_for_each_entry_rcu(event, &ctx->event_list, event_entry) __perf_remove_from_context(event); + rcu_read_unlock(); } static void perf_event_exit_cpu_context(int cpu) @@ -7887,11 +7887,11 @@ static void perf_event_exit_cpu(int cpu) { struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu); + perf_event_exit_cpu_context(cpu); + mutex_lock(&swhash->hlist_mutex); swevent_hlist_release(swhash); mutex_unlock(&swhash->hlist_mutex); - - perf_event_exit_cpu_context(cpu); } #else static inline void perf_event_exit_cpu(int cpu) { } diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index cf68bb36fe58..f14033700c25 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -10,6 +10,7 @@ #include <linux/mutex.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/topology.h> #include <linux/seq_file.h> #include <linux/slab.h> diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 481a13c43b17..d3bf660cb57f 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -802,8 +802,7 @@ static irqreturn_t irq_thread_fn(struct irq_desc *desc, static void wake_threads_waitq(struct irq_desc *desc) { - if (atomic_dec_and_test(&desc->threads_active) && - waitqueue_active(&desc->wait_for_threads)) + if (atomic_dec_and_test(&desc->threads_active)) wake_up(&desc->wait_for_threads); } diff --git a/kernel/profile.c b/kernel/profile.c index 6631e1ef55ab..ebdd9c1a86b4 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -549,14 +549,14 @@ static int create_hash_tables(void) struct page *page; page = alloc_pages_exact_node(node, - GFP_KERNEL | __GFP_ZERO | GFP_THISNODE, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, 0); if (!page) goto out_cleanup; per_cpu(cpu_profile_hits, cpu)[1] = (struct profile_hit *)page_address(page); page = alloc_pages_exact_node(node, - GFP_KERNEL | __GFP_ZERO | GFP_THISNODE, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, 0); if (!page) goto out_cleanup; diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index 43c2bcc35761..b30a2924ef14 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -301,14 +301,14 @@ u64 sched_clock_cpu(int cpu) if (unlikely(!sched_clock_running)) return 0ull; - preempt_disable(); + preempt_disable_notrace(); scd = cpu_sdc(cpu); if (cpu != smp_processor_id()) clock = sched_clock_remote(scd); else clock = sched_clock_local(scd); - preempt_enable(); + preempt_enable_notrace(); return clock; } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 6edbef296ece..f5c6635b806c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3338,6 +3338,15 @@ recheck: return -EPERM; } + /* + * Can't set/change SCHED_DEADLINE policy at all for now + * (safest behavior); in the future we would like to allow + * unprivileged DL tasks to increase their relative deadline + * or reduce their runtime (both ways reducing utilization) + */ + if (dl_policy(policy)) + return -EPERM; + /* * Treat SCHED_IDLE as nice 20. Only allow a switch to * SCHED_NORMAL if the RLIMIT_NICE would normally permit it. diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index 5b8838b56d1c..5b9bb42b2d47 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -70,7 +70,7 @@ static void cpudl_heapify(struct cpudl *cp, int idx) static void cpudl_change_key(struct cpudl *cp, int idx, u64 new_dl) { - WARN_ON(!cpu_present(idx) || idx == IDX_INVALID); + WARN_ON(idx == IDX_INVALID || !cpu_present(idx)); if (dl_time_before(new_dl, cp->elements[idx].dl)) { cp->elements[idx].dl = new_dl; @@ -117,7 +117,7 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, } out: - WARN_ON(!cpu_present(best_cpu) && best_cpu != -1); + WARN_ON(best_cpu != -1 && !cpu_present(best_cpu)); return best_cpu; } diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 15cbc17fbf84..6e79b3faa4cd 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -135,7 +135,6 @@ static void update_dl_migration(struct dl_rq *dl_rq) static void inc_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq) { struct task_struct *p = dl_task_of(dl_se); - dl_rq = &rq_of_dl_rq(dl_rq)->dl; if (p->nr_cpus_allowed > 1) dl_rq->dl_nr_migratory++; @@ -146,7 +145,6 @@ static void inc_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq) static void dec_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq) { struct task_struct *p = dl_task_of(dl_se); - dl_rq = &rq_of_dl_rq(dl_rq)->dl; if (p->nr_cpus_allowed > 1) dl_rq->dl_nr_migratory--; @@ -564,6 +562,8 @@ int dl_runtime_exceeded(struct rq *rq, struct sched_dl_entity *dl_se) return 1; } +extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq); + /* * Update the current task's runtime statistics (provided it is still * a -deadline task and has not been removed from the dl_rq). @@ -627,11 +627,13 @@ static void update_curr_dl(struct rq *rq) struct rt_rq *rt_rq = &rq->rt; raw_spin_lock(&rt_rq->rt_runtime_lock); - rt_rq->rt_time += delta_exec; /* * We'll let actual RT tasks worry about the overflow here, we - * have our own CBS to keep us inline -- see above. + * have our own CBS to keep us inline; only account when RT + * bandwidth is relevant. */ + if (sched_rt_bandwidth_account(rt_rq)) + rt_rq->rt_time += delta_exec; raw_spin_unlock(&rt_rq->rt_runtime_lock); } } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 78157099b167..9b4c4f320130 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7001,15 +7001,15 @@ static void switched_from_fair(struct rq *rq, struct task_struct *p) struct cfs_rq *cfs_rq = cfs_rq_of(se); /* - * Ensure the task's vruntime is normalized, so that when its + * Ensure the task's vruntime is normalized, so that when it's * switched back to the fair class the enqueue_entity(.flags=0) will * do the right thing. * - * If it was on_rq, then the dequeue_entity(.flags=0) will already - * have normalized the vruntime, if it was !on_rq, then only when + * If it's on_rq, then the dequeue_entity(.flags=0) will already + * have normalized the vruntime, if it's !on_rq, then only when * the task is sleeping will it still have non-normalized vruntime. */ - if (!se->on_rq && p->state != TASK_RUNNING) { + if (!p->on_rq && p->state != TASK_RUNNING) { /* * Fix up our vruntime so that the current sleep doesn't * cause 'unlimited' sleep bonus. diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index a2740b775b45..1999021042c7 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -538,6 +538,14 @@ static inline struct rt_bandwidth *sched_rt_bandwidth(struct rt_rq *rt_rq) #endif /* CONFIG_RT_GROUP_SCHED */ +bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) +{ + struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq); + + return (hrtimer_active(&rt_b->rt_period_timer) || + rt_rq->rt_time < rt_b->rt_runtime); +} + #ifdef CONFIG_SMP /* * We ran out of runtime, see if we can borrow some from our neighbours. diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 84571e09c907..01fbae5b97b7 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -293,7 +293,7 @@ int stop_two_cpus(unsigned int cpu1, unsigned int cpu2, cpu_stop_fn_t fn, void * */ smp_call_function_single(min(cpu1, cpu2), &irq_cpu_stop_queue_work, - &call_args, 0); + &call_args, 1); lg_local_unlock(&stop_cpus_lock); preempt_enable(); diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index e71ffd4eccb5..f3989ceb5cd5 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1777,6 +1777,16 @@ static void trace_module_add_events(struct module *mod) { struct ftrace_event_call **call, **start, **end; + if (!mod->num_trace_events) + return; + + /* Don't add infrastructure for mods without tracepoints */ + if (trace_module_has_bad_taint(mod)) { + pr_err("%s: module has bad taint, not creating trace events\n", + mod->name); + return; + } + start = mod->trace_events; end = mod->trace_events + mod->num_trace_events; diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 29f26540e9c9..031cc5655a51 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -631,6 +631,11 @@ void tracepoint_iter_reset(struct tracepoint_iter *iter) EXPORT_SYMBOL_GPL(tracepoint_iter_reset); #ifdef CONFIG_MODULES +bool trace_module_has_bad_taint(struct module *mod) +{ + return mod->taints & ~((1 << TAINT_OOT_MODULE) | (1 << TAINT_CRAP)); +} + static int tracepoint_module_coming(struct module *mod) { struct tp_module *tp_mod, *iter; @@ -641,7 +646,7 @@ static int tracepoint_module_coming(struct module *mod) * module headers (for forced load), to make sure we don't cause a crash. * Staging and out-of-tree GPL modules are fine. */ - if (mod->taints & ~((1 << TAINT_OOT_MODULE) | (1 << TAINT_CRAP))) + if (trace_module_has_bad_taint(mod)) return 0; mutex_lock(&tracepoints_mutex); tp_mod = kmalloc(sizeof(struct tp_module), GFP_KERNEL); diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 2defd1308b04..98f2d7e91a91 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -424,111 +424,134 @@ void debug_dma_dump_mappings(struct device *dev) EXPORT_SYMBOL(debug_dma_dump_mappings); /* - * For each page mapped (initial page in the case of - * dma_alloc_coherent/dma_map_{single|page}, or each page in a - * scatterlist) insert into this tree using the pfn as the key. At + * For each mapping (initial cacheline in the case of + * dma_alloc_coherent/dma_map_page, initial cacheline in each page of a + * scatterlist, or the cacheline specified in dma_map_single) insert + * into this tree using the cacheline as the key. At * dma_unmap_{single|sg|page} or dma_free_coherent delete the entry. If - * the pfn already exists at insertion time add a tag as a reference + * the entry already exists at insertion time add a tag as a reference * count for the overlapping mappings. For now, the overlap tracking - * just ensures that 'unmaps' balance 'maps' before marking the pfn - * idle, but we should also be flagging overlaps as an API violation. + * just ensures that 'unmaps' balance 'maps' before marking the + * cacheline idle, but we should also be flagging overlaps as an API + * violation. * * Memory usage is mostly constrained by the maximum number of available * dma-debug entries in that we need a free dma_debug_entry before - * inserting into the tree. In the case of dma_map_{single|page} and - * dma_alloc_coherent there is only one dma_debug_entry and one pfn to - * track per event. dma_map_sg(), on the other hand, - * consumes a single dma_debug_entry, but inserts 'nents' entries into - * the tree. + * inserting into the tree. In the case of dma_map_page and + * dma_alloc_coherent there is only one dma_debug_entry and one + * dma_active_cacheline entry to track per event. dma_map_sg(), on the + * other hand, consumes a single dma_debug_entry, but inserts 'nents' + * entries into the tree. * * At any time debug_dma_assert_idle() can be called to trigger a - * warning if the given page is in the active set. + * warning if any cachelines in the given page are in the active set. */ -static RADIX_TREE(dma_active_pfn, GFP_NOWAIT); +static RADIX_TREE(dma_active_cacheline, GFP_NOWAIT); static DEFINE_SPINLOCK(radix_lock); -#define ACTIVE_PFN_MAX_OVERLAP ((1 << RADIX_TREE_MAX_TAGS) - 1) +#define ACTIVE_CACHELINE_MAX_OVERLAP ((1 << RADIX_TREE_MAX_TAGS) - 1) +#define CACHELINE_PER_PAGE_SHIFT (PAGE_SHIFT - L1_CACHE_SHIFT) +#define CACHELINES_PER_PAGE (1 << CACHELINE_PER_PAGE_SHIFT) -static int active_pfn_read_overlap(unsigned long pfn) +static phys_addr_t to_cacheline_number(struct dma_debug_entry *entry) +{ + return (entry->pfn << CACHELINE_PER_PAGE_SHIFT) + + (entry->offset >> L1_CACHE_SHIFT); +} + +static int active_cacheline_read_overlap(phys_addr_t cln) { int overlap = 0, i; for (i = RADIX_TREE_MAX_TAGS - 1; i >= 0; i--) - if (radix_tree_tag_get(&dma_active_pfn, pfn, i)) + if (radix_tree_tag_get(&dma_active_cacheline, cln, i)) overlap |= 1 << i; return overlap; } -static int active_pfn_set_overlap(unsigned long pfn, int overlap) +static int active_cacheline_set_overlap(phys_addr_t cln, int overlap) { int i; - if (overlap > ACTIVE_PFN_MAX_OVERLAP || overlap < 0) + if (overlap > ACTIVE_CACHELINE_MAX_OVERLAP || overlap < 0) return overlap; for (i = RADIX_TREE_MAX_TAGS - 1; i >= 0; i--) if (overlap & 1 << i) - radix_tree_tag_set(&dma_active_pfn, pfn, i); + radix_tree_tag_set(&dma_active_cacheline, cln, i); else - radix_tree_tag_clear(&dma_active_pfn, pfn, i); + radix_tree_tag_clear(&dma_active_cacheline, cln, i); return overlap; } -static void active_pfn_inc_overlap(unsigned long pfn) +static void active_cacheline_inc_overlap(phys_addr_t cln) { - int overlap = active_pfn_read_overlap(pfn); + int overlap = active_cacheline_read_overlap(cln); - overlap = active_pfn_set_overlap(pfn, ++overlap); + overlap = active_cacheline_set_overlap(cln, ++overlap); /* If we overflowed the overlap counter then we're potentially * leaking dma-mappings. Otherwise, if maps and unmaps are * balanced then this overflow may cause false negatives in - * debug_dma_assert_idle() as the pfn may be marked idle + * debug_dma_assert_idle() as the cacheline may be marked idle * prematurely. */ - WARN_ONCE(overlap > ACTIVE_PFN_MAX_OVERLAP, - "DMA-API: exceeded %d overlapping mappings of pfn %lx\n", - ACTIVE_PFN_MAX_OVERLAP, pfn); + WARN_ONCE(overlap > ACTIVE_CACHELINE_MAX_OVERLAP, + "DMA-API: exceeded %d overlapping mappings of cacheline %pa\n", + ACTIVE_CACHELINE_MAX_OVERLAP, &cln); } -static int active_pfn_dec_overlap(unsigned long pfn) +static int active_cacheline_dec_overlap(phys_addr_t cln) { - int overlap = active_pfn_read_overlap(pfn); + int overlap = active_cacheline_read_overlap(cln); - return active_pfn_set_overlap(pfn, --overlap); + return active_cacheline_set_overlap(cln, --overlap); } -static int active_pfn_insert(struct dma_debug_entry *entry) +static int active_cacheline_insert(struct dma_debug_entry *entry) { + phys_addr_t cln = to_cacheline_number(entry); unsigned long flags; int rc; + /* If the device is not writing memory then we don't have any + * concerns about the cpu consuming stale data. This mitigates + * legitimate usages of overlapping mappings. + */ + if (entry->direction == DMA_TO_DEVICE) + return 0; + spin_lock_irqsave(&radix_lock, flags); - rc = radix_tree_insert(&dma_active_pfn, entry->pfn, entry); + rc = radix_tree_insert(&dma_active_cacheline, cln, entry); if (rc == -EEXIST) - active_pfn_inc_overlap(entry->pfn); + active_cacheline_inc_overlap(cln); spin_unlock_irqrestore(&radix_lock, flags); return rc; } -static void active_pfn_remove(struct dma_debug_entry *entry) +static void active_cacheline_remove(struct dma_debug_entry *entry) { + phys_addr_t cln = to_cacheline_number(entry); unsigned long flags; + /* ...mirror the insert case */ + if (entry->direction == DMA_TO_DEVICE) + return; + spin_lock_irqsave(&radix_lock, flags); /* since we are counting overlaps the final put of the - * entry->pfn will occur when the overlap count is 0. - * active_pfn_dec_overlap() returns -1 in that case + * cacheline will occur when the overlap count is 0. + * active_cacheline_dec_overlap() returns -1 in that case */ - if (active_pfn_dec_overlap(entry->pfn) < 0) - radix_tree_delete(&dma_active_pfn, entry->pfn); + if (active_cacheline_dec_overlap(cln) < 0) + radix_tree_delete(&dma_active_cacheline, cln); spin_unlock_irqrestore(&radix_lock, flags); } /** * debug_dma_assert_idle() - assert that a page is not undergoing dma - * @page: page to lookup in the dma_active_pfn tree + * @page: page to lookup in the dma_active_cacheline tree * * Place a call to this routine in cases where the cpu touching the page * before the dma completes (page is dma_unmapped) will lead to data @@ -536,22 +559,38 @@ static void active_pfn_remove(struct dma_debug_entry *entry) */ void debug_dma_assert_idle(struct page *page) { + static struct dma_debug_entry *ents[CACHELINES_PER_PAGE]; + struct dma_debug_entry *entry = NULL; + void **results = (void **) &ents; + unsigned int nents, i; unsigned long flags; - struct dma_debug_entry *entry; + phys_addr_t cln; if (!page) return; + cln = (phys_addr_t) page_to_pfn(page) << CACHELINE_PER_PAGE_SHIFT; spin_lock_irqsave(&radix_lock, flags); - entry = radix_tree_lookup(&dma_active_pfn, page_to_pfn(page)); + nents = radix_tree_gang_lookup(&dma_active_cacheline, results, cln, + CACHELINES_PER_PAGE); + for (i = 0; i < nents; i++) { + phys_addr_t ent_cln = to_cacheline_number(ents[i]); + + if (ent_cln == cln) { + entry = ents[i]; + break; + } else if (ent_cln >= cln + CACHELINES_PER_PAGE) + break; + } spin_unlock_irqrestore(&radix_lock, flags); if (!entry) return; + cln = to_cacheline_number(entry); err_printk(entry->dev, entry, - "DMA-API: cpu touching an active dma mapped page " - "[pfn=0x%lx]\n", entry->pfn); + "DMA-API: cpu touching an active dma mapped cacheline [cln=%pa]\n", + &cln); } /* @@ -568,9 +607,9 @@ static void add_dma_entry(struct dma_debug_entry *entry) hash_bucket_add(bucket, entry); put_hash_bucket(bucket, &flags); - rc = active_pfn_insert(entry); + rc = active_cacheline_insert(entry); if (rc == -ENOMEM) { - pr_err("DMA-API: pfn tracking ENOMEM, dma-debug disabled\n"); + pr_err("DMA-API: cacheline tracking ENOMEM, dma-debug disabled\n"); global_disable = true; } @@ -631,7 +670,7 @@ static void dma_entry_free(struct dma_debug_entry *entry) { unsigned long flags; - active_pfn_remove(entry); + active_cacheline_remove(entry); /* * add to beginning of the list - this way the entries are diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 7811ed3b4e70..bd4a8dfdf0b8 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1253,8 +1253,10 @@ unsigned long radix_tree_locate_item(struct radix_tree_root *root, void *item) node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); - if (cur_index > max_index) + if (cur_index > max_index) { + rcu_read_unlock(); break; + } cur_index = __locate(node, item, cur_index, &found_index); rcu_read_unlock(); diff --git a/mm/Kconfig b/mm/Kconfig index 2d9f1504d75e..2888024e0b0a 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -575,5 +575,5 @@ config PGTABLE_MAPPING then you should select this. This causes zsmalloc to use page table mapping rather than copying for object mapping. - You can check speed with zsmalloc benchmark[1]. - [1] https://github.com/spartacus06/zsmalloc + You can check speed with zsmalloc benchmark: + https://github.com/spartacus06/zsmapbench diff --git a/mm/compaction.c b/mm/compaction.c index b48c5259ea33..918577595ea8 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -251,7 +251,6 @@ static unsigned long isolate_freepages_block(struct compact_control *cc, { int nr_scanned = 0, total_isolated = 0; struct page *cursor, *valid_page = NULL; - unsigned long nr_strict_required = end_pfn - blockpfn; unsigned long flags; bool locked = false; @@ -264,11 +263,12 @@ static unsigned long isolate_freepages_block(struct compact_control *cc, nr_scanned++; if (!pfn_valid_within(blockpfn)) - continue; + goto isolate_fail; + if (!valid_page) valid_page = page; if (!PageBuddy(page)) - continue; + goto isolate_fail; /* * The zone lock must be held to isolate freepages. @@ -289,12 +289,10 @@ static unsigned long isolate_freepages_block(struct compact_control *cc, /* Recheck this is a buddy page under lock */ if (!PageBuddy(page)) - continue; + goto isolate_fail; /* Found a free page, break it into order-0 pages */ isolated = split_free_page(page); - if (!isolated && strict) - break; total_isolated += isolated; for (i = 0; i < isolated; i++) { list_add(&page->lru, freelist); @@ -305,7 +303,15 @@ static unsigned long isolate_freepages_block(struct compact_control *cc, if (isolated) { blockpfn += isolated - 1; cursor += isolated - 1; + continue; } + +isolate_fail: + if (strict) + break; + else + continue; + } trace_mm_compaction_isolate_freepages(nr_scanned, total_isolated); @@ -315,7 +321,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc, * pages requested were isolated. If there were any failures, 0 is * returned and CMA will fail. */ - if (strict && nr_strict_required > total_isolated) + if (strict && blockpfn < end_pfn) total_isolated = 0; if (locked) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index da23eb96779f..1546655a2d78 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1166,8 +1166,10 @@ alloc: } else { ret = do_huge_pmd_wp_page_fallback(mm, vma, address, pmd, orig_pmd, page, haddr); - if (ret & VM_FAULT_OOM) + if (ret & VM_FAULT_OOM) { split_huge_page(page); + ret |= VM_FAULT_FALLBACK; + } put_page(page); } count_vm_event(THP_FAULT_FALLBACK); @@ -1179,9 +1181,10 @@ alloc: if (page) { split_huge_page(page); put_page(page); - } + } else + split_huge_page_pmd(vma, address, pmd); + ret |= VM_FAULT_FALLBACK; count_vm_event(THP_FAULT_FALLBACK); - ret |= VM_FAULT_OOM; goto out; } @@ -1958,7 +1961,7 @@ out: return ret; } -#define VM_NO_THP (VM_SPECIAL|VM_MIXEDMAP|VM_HUGETLB|VM_SHARED|VM_MAYSHARE) +#define VM_NO_THP (VM_SPECIAL | VM_HUGETLB | VM_SHARED | VM_MAYSHARE) int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags, int advice) @@ -444,7 +444,7 @@ static void break_cow(struct rmap_item *rmap_item) static struct page *page_trans_compound_anon(struct page *page) { if (PageTransCompound(page)) { - struct page *head = compound_trans_head(page); + struct page *head = compound_head(page); /* * head may actually be splitted and freed from under * us but it's ok here. diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 53385cd4e6f0..5b6b0039f725 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1127,8 +1127,8 @@ skip_node: * skipping css reference should be safe. */ if (next_css) { - if ((next_css->flags & CSS_ONLINE) && - (next_css == &root->css || css_tryget(next_css))) + if ((next_css == &root->css) || + ((next_css->flags & CSS_ONLINE) && css_tryget(next_css))) return mem_cgroup_from_css(next_css); prev_css = next_css; @@ -1687,7 +1687,7 @@ void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) * protects memcg_name and makes sure that parallel ooms do not * interleave */ - static DEFINE_SPINLOCK(oom_info_lock); + static DEFINE_MUTEX(oom_info_lock); struct cgroup *task_cgrp; struct cgroup *mem_cgrp; static char memcg_name[PATH_MAX]; @@ -1698,7 +1698,7 @@ void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) if (!p) return; - spin_lock(&oom_info_lock); + mutex_lock(&oom_info_lock); rcu_read_lock(); mem_cgrp = memcg->css.cgroup; @@ -1767,7 +1767,7 @@ done: pr_cont("\n"); } - spin_unlock(&oom_info_lock); + mutex_unlock(&oom_info_lock); } /* @@ -6595,6 +6595,7 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) { struct mem_cgroup *memcg = mem_cgroup_from_css(css); struct mem_cgroup_event *event, *tmp; + struct cgroup_subsys_state *iter; /* * Unregister events and notify userspace. @@ -6611,7 +6612,14 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) kmem_cgroup_css_offline(memcg); mem_cgroup_invalidate_reclaim_iterators(memcg); - mem_cgroup_reparent_charges(memcg); + + /* + * This requires that offlining is serialized. Right now that is + * guaranteed because css_killed_work_fn() holds the cgroup_mutex. + */ + css_for_each_descendant_post(iter, css) + mem_cgroup_reparent_charges(mem_cgroup_from_css(iter)); + mem_cgroup_destroy_all_caches(memcg); vmpressure_cleanup(&memcg->vmpressure); } diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2f2f34a4e77d..90002ea43638 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1651,7 +1651,7 @@ int soft_offline_page(struct page *page, int flags) { int ret; unsigned long pfn = page_to_pfn(page); - struct page *hpage = compound_trans_head(page); + struct page *hpage = compound_head(page); if (PageHWPoison(page)) { pr_info("soft offline: %#lx page already poisoned\n", pfn); diff --git a/mm/memory.c b/mm/memory.c index be6a0c0d4ae0..22dfa617bddb 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3348,6 +3348,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (ret & VM_FAULT_LOCKED) unlock_page(vmf.page); ret = VM_FAULT_HWPOISON; + page_cache_release(vmf.page); goto uncharge_out; } @@ -3703,7 +3704,6 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(is_vm_hugetlb_page(vma))) return hugetlb_fault(mm, vma, address, flags); -retry: pgd = pgd_offset(mm, address); pud = pud_alloc(mm, pgd, address); if (!pud) @@ -3741,20 +3741,13 @@ retry: if (dirty && !pmd_write(orig_pmd)) { ret = do_huge_pmd_wp_page(mm, vma, address, pmd, orig_pmd); - /* - * If COW results in an oom, the huge pmd will - * have been split, so retry the fault on the - * pte for a smaller charge. - */ - if (unlikely(ret & VM_FAULT_OOM)) - goto retry; - return ret; + if (!(ret & VM_FAULT_FALLBACK)) + return ret; } else { huge_pmd_set_accessed(mm, vma, address, pmd, orig_pmd, dirty); + return 0; } - - return 0; } } diff --git a/mm/migrate.c b/mm/migrate.c index 482a33d89134..b494fdb9a636 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1158,7 +1158,7 @@ static struct page *new_page_node(struct page *p, unsigned long private, pm->node); else return alloc_pages_exact_node(pm->node, - GFP_HIGHUSER_MOVABLE | GFP_THISNODE, 0); + GFP_HIGHUSER_MOVABLE | __GFP_THISNODE, 0); } /* @@ -1544,9 +1544,9 @@ static struct page *alloc_misplaced_dst_page(struct page *page, struct page *newpage; newpage = alloc_pages_exact_node(nid, - (GFP_HIGHUSER_MOVABLE | GFP_THISNODE | - __GFP_NOMEMALLOC | __GFP_NORETRY | - __GFP_NOWARN) & + (GFP_HIGHUSER_MOVABLE | + __GFP_THISNODE | __GFP_NOMEMALLOC | + __GFP_NORETRY | __GFP_NOWARN) & ~GFP_IOFS, 0); return newpage; @@ -1747,7 +1747,8 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm, goto out_dropref; new_page = alloc_pages_node(node, - (GFP_TRANSHUGE | GFP_THISNODE) & ~__GFP_WAIT, HPAGE_PMD_ORDER); + (GFP_TRANSHUGE | __GFP_THISNODE) & ~__GFP_WAIT, + HPAGE_PMD_ORDER); if (!new_page) goto out_fail; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e3758a09a009..3bac76ae4b30 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -369,9 +369,11 @@ void prep_compound_page(struct page *page, unsigned long order) __SetPageHead(page); for (i = 1; i < nr_pages; i++) { struct page *p = page + i; - __SetPageTail(p); set_page_count(p, 0); p->first_page = page; + /* Make sure p->first_page is always valid for PageTail() */ + smp_wmb(); + __SetPageTail(p); } } @@ -1236,6 +1238,15 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp) } local_irq_restore(flags); } +static bool gfp_thisnode_allocation(gfp_t gfp_mask) +{ + return (gfp_mask & GFP_THISNODE) == GFP_THISNODE; +} +#else +static bool gfp_thisnode_allocation(gfp_t gfp_mask) +{ + return false; +} #endif /* @@ -1572,7 +1583,13 @@ again: get_pageblock_migratetype(page)); } - __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); + /* + * NOTE: GFP_THISNODE allocations do not partake in the kswapd + * aging protocol, so they can't be fair. + */ + if (!gfp_thisnode_allocation(gfp_flags)) + __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); + __count_zone_vm_events(PGALLOC, zone, 1 << order); zone_statistics(preferred_zone, zone, gfp_flags); local_irq_restore(flags); @@ -1944,8 +1961,12 @@ zonelist_scan: * ultimately fall back to remote zones that do not * partake in the fairness round-robin cycle of this * zonelist. + * + * NOTE: GFP_THISNODE allocations do not partake in + * the kswapd aging protocol, so they can't be fair. */ - if (alloc_flags & ALLOC_WMARK_LOW) { + if ((alloc_flags & ALLOC_WMARK_LOW) && + !gfp_thisnode_allocation(gfp_mask)) { if (zone_page_state(zone, NR_ALLOC_BATCH) <= 0) continue; if (!zone_local(preferred_zone, zone)) @@ -2501,8 +2522,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, * allowed per node queues are empty and that nodes are * over allocated. */ - if (IS_ENABLED(CONFIG_NUMA) && - (gfp_mask & GFP_THISNODE) == GFP_THISNODE) + if (gfp_thisnode_allocation(gfp_mask)) goto nopage; restart: diff --git a/mm/swap.c b/mm/swap.c index b31ba67d440a..0092097b3f4c 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -98,7 +98,7 @@ static void put_compound_page(struct page *page) } /* __split_huge_page_refcount can run under us */ - page_head = compound_trans_head(page); + page_head = compound_head(page); /* * THP can not break up slab pages so avoid taking @@ -253,7 +253,7 @@ bool __get_page_tail(struct page *page) */ unsigned long flags; bool got; - struct page *page_head = compound_trans_head(page); + struct page *page_head = compound_head(page); /* Ref to put_compound_page() comment. */ if (!__compound_tail_refcounted(page_head)) { diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index de51c48c4393..4b65aa492fb6 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -538,6 +538,9 @@ static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev struct vlan_dev_priv *vlan = vlan_dev_priv(dev); struct net_device *real_dev = vlan->real_dev; + if (saddr == NULL) + saddr = dev->dev_addr; + return dev_hard_header(skb, real_dev, type, daddr, saddr, len); } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index ef66365b7354..93067ecdb9a2 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1127,9 +1127,10 @@ static void br_multicast_query_received(struct net_bridge *br, struct net_bridge_port *port, struct bridge_mcast_querier *querier, int saddr, + bool is_general_query, unsigned long max_delay) { - if (saddr) + if (saddr && is_general_query) br_multicast_update_querier_timer(br, querier, max_delay); else if (timer_pending(&querier->timer)) return; @@ -1181,8 +1182,16 @@ static int br_ip4_multicast_query(struct net_bridge *br, IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE) : 1; } + /* RFC2236+RFC3376 (IGMPv2+IGMPv3) require the multicast link layer + * all-systems destination addresses (224.0.0.1) for general queries + */ + if (!group && iph->daddr != htonl(INADDR_ALLHOSTS_GROUP)) { + err = -EINVAL; + goto out; + } + br_multicast_query_received(br, port, &br->ip4_querier, !!iph->saddr, - max_delay); + !group, max_delay); if (!group) goto out; @@ -1228,6 +1237,7 @@ static int br_ip6_multicast_query(struct net_bridge *br, unsigned long max_delay; unsigned long now = jiffies; const struct in6_addr *group = NULL; + bool is_general_query; int err = 0; spin_lock(&br->multicast_lock); @@ -1235,6 +1245,12 @@ static int br_ip6_multicast_query(struct net_bridge *br, (port && port->state == BR_STATE_DISABLED)) goto out; + /* RFC2710+RFC3810 (MLDv1+MLDv2) require link-local source addresses */ + if (!(ipv6_addr_type(&ip6h->saddr) & IPV6_ADDR_LINKLOCAL)) { + err = -EINVAL; + goto out; + } + if (skb->len == sizeof(*mld)) { if (!pskb_may_pull(skb, sizeof(*mld))) { err = -EINVAL; @@ -1256,8 +1272,19 @@ static int br_ip6_multicast_query(struct net_bridge *br, max_delay = max(msecs_to_jiffies(mldv2_mrc(mld2q)), 1UL); } + is_general_query = group && ipv6_addr_any(group); + + /* RFC2710+RFC3810 (MLDv1+MLDv2) require the multicast link layer + * all-nodes destination address (ff02::1) for general queries + */ + if (is_general_query && !ipv6_addr_is_ll_all_nodes(&ip6h->daddr)) { + err = -EINVAL; + goto out; + } + br_multicast_query_received(br, port, &br->ip6_querier, - !ipv6_addr_any(&ip6h->saddr), max_delay); + !ipv6_addr_any(&ip6h->saddr), + is_general_query, max_delay); if (!group) goto out; diff --git a/net/can/raw.c b/net/can/raw.c index 8be757cca2ec..081e81fd017f 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -121,13 +121,9 @@ static void raw_rcv(struct sk_buff *oskb, void *data) if (!ro->recv_own_msgs && oskb->sk == sk) return; - /* do not pass frames with DLC > 8 to a legacy socket */ - if (!ro->fd_frames) { - struct canfd_frame *cfd = (struct canfd_frame *)oskb->data; - - if (unlikely(cfd->len > CAN_MAX_DLEN)) - return; - } + /* do not pass non-CAN2.0 frames to a legacy socket */ + if (!ro->fd_frames && oskb->len != CAN_MTU) + return; /* clone the given skb to be able to enqueue it into the rcv queue */ skb = skb_clone(oskb, GFP_ATOMIC); @@ -738,9 +734,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; - struct raw_sock *ro = raw_sk(sk); struct sk_buff *skb; - int rxmtu; int err = 0; int noblock; @@ -751,20 +745,10 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock, if (!skb) return err; - /* - * when serving a legacy socket the DLC <= 8 is already checked inside - * raw_rcv(). Now check if we need to pass a canfd_frame to a legacy - * socket and cut the possible CANFD_MTU/CAN_MTU length to CAN_MTU - */ - if (!ro->fd_frames) - rxmtu = CAN_MTU; - else - rxmtu = skb->len; - - if (size < rxmtu) + if (size < skb->len) msg->msg_flags |= MSG_TRUNC; else - size = rxmtu; + size = skb->len; err = memcpy_toiovec(msg->msg_iov, skb->data, size); if (err < 0) { diff --git a/net/core/neighbour.c b/net/core/neighbour.c index b9e9e0d38672..e16129019c66 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -766,9 +766,6 @@ static void neigh_periodic_work(struct work_struct *work) nht = rcu_dereference_protected(tbl->nht, lockdep_is_held(&tbl->lock)); - if (atomic_read(&tbl->entries) < tbl->gc_thresh1) - goto out; - /* * periodically recompute ReachableTime from random function */ @@ -781,6 +778,9 @@ static void neigh_periodic_work(struct work_struct *work) neigh_rand_reach_time(NEIGH_VAR(p, BASE_REACHABLE_TIME)); } + if (atomic_read(&tbl->entries) < tbl->gc_thresh1) + goto out; + for (i = 0 ; i < (1 << nht->hash_shift); i++) { np = &nht->hash_buckets[i]; @@ -3046,7 +3046,7 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p, if (!t) goto err; - for (i = 0; i < ARRAY_SIZE(t->neigh_vars); i++) { + for (i = 0; i < NEIGH_VAR_GC_INTERVAL; i++) { t->neigh_vars[i].data += (long) p; t->neigh_vars[i].extra1 = dev; t->neigh_vars[i].extra2 = p; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 5976ef0846bd..869c7afe3b07 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -707,9 +707,6 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->mark = old->mark; new->skb_iif = old->skb_iif; __nf_copy(new, old); -#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) - new->nf_trace = old->nf_trace; -#endif #ifdef CONFIG_NET_SCHED new->tc_index = old->tc_index; #ifdef CONFIG_NET_CLS_ACT @@ -2841,81 +2838,84 @@ EXPORT_SYMBOL_GPL(skb_pull_rcsum); /** * skb_segment - Perform protocol segmentation on skb. - * @skb: buffer to segment + * @head_skb: buffer to segment * @features: features for the output path (see dev->features) * * This function performs segmentation on the given skb. It returns * a pointer to the first in a list of new skbs for the segments. * In case of error it returns ERR_PTR(err). */ -struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) +struct sk_buff *skb_segment(struct sk_buff *head_skb, + netdev_features_t features) { struct sk_buff *segs = NULL; struct sk_buff *tail = NULL; - struct sk_buff *fskb = skb_shinfo(skb)->frag_list; - skb_frag_t *skb_frag = skb_shinfo(skb)->frags; - unsigned int mss = skb_shinfo(skb)->gso_size; - unsigned int doffset = skb->data - skb_mac_header(skb); + struct sk_buff *list_skb = skb_shinfo(head_skb)->frag_list; + skb_frag_t *frag = skb_shinfo(head_skb)->frags; + unsigned int mss = skb_shinfo(head_skb)->gso_size; + unsigned int doffset = head_skb->data - skb_mac_header(head_skb); + struct sk_buff *frag_skb = head_skb; unsigned int offset = doffset; - unsigned int tnl_hlen = skb_tnl_header_len(skb); + unsigned int tnl_hlen = skb_tnl_header_len(head_skb); unsigned int headroom; unsigned int len; __be16 proto; bool csum; int sg = !!(features & NETIF_F_SG); - int nfrags = skb_shinfo(skb)->nr_frags; + int nfrags = skb_shinfo(head_skb)->nr_frags; int err = -ENOMEM; int i = 0; int pos; - proto = skb_network_protocol(skb); + proto = skb_network_protocol(head_skb); if (unlikely(!proto)) return ERR_PTR(-EINVAL); csum = !!can_checksum_protocol(features, proto); - __skb_push(skb, doffset); - headroom = skb_headroom(skb); - pos = skb_headlen(skb); + __skb_push(head_skb, doffset); + headroom = skb_headroom(head_skb); + pos = skb_headlen(head_skb); do { struct sk_buff *nskb; - skb_frag_t *frag; + skb_frag_t *nskb_frag; int hsize; int size; - len = skb->len - offset; + len = head_skb->len - offset; if (len > mss) len = mss; - hsize = skb_headlen(skb) - offset; + hsize = skb_headlen(head_skb) - offset; if (hsize < 0) hsize = 0; if (hsize > len || !sg) hsize = len; - if (!hsize && i >= nfrags && skb_headlen(fskb) && - (skb_headlen(fskb) == len || sg)) { - BUG_ON(skb_headlen(fskb) > len); + if (!hsize && i >= nfrags && skb_headlen(list_skb) && + (skb_headlen(list_skb) == len || sg)) { + BUG_ON(skb_headlen(list_skb) > len); i = 0; - nfrags = skb_shinfo(fskb)->nr_frags; - skb_frag = skb_shinfo(fskb)->frags; - pos += skb_headlen(fskb); + nfrags = skb_shinfo(list_skb)->nr_frags; + frag = skb_shinfo(list_skb)->frags; + frag_skb = list_skb; + pos += skb_headlen(list_skb); while (pos < offset + len) { BUG_ON(i >= nfrags); - size = skb_frag_size(skb_frag); + size = skb_frag_size(frag); if (pos + size > offset + len) break; i++; pos += size; - skb_frag++; + frag++; } - nskb = skb_clone(fskb, GFP_ATOMIC); - fskb = fskb->next; + nskb = skb_clone(list_skb, GFP_ATOMIC); + list_skb = list_skb->next; if (unlikely(!nskb)) goto err; @@ -2936,7 +2936,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) __skb_push(nskb, doffset); } else { nskb = __alloc_skb(hsize + doffset + headroom, - GFP_ATOMIC, skb_alloc_rx_flag(skb), + GFP_ATOMIC, skb_alloc_rx_flag(head_skb), NUMA_NO_NODE); if (unlikely(!nskb)) @@ -2952,12 +2952,12 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) segs = nskb; tail = nskb; - __copy_skb_header(nskb, skb); - nskb->mac_len = skb->mac_len; + __copy_skb_header(nskb, head_skb); + nskb->mac_len = head_skb->mac_len; skb_headers_offset_update(nskb, skb_headroom(nskb) - headroom); - skb_copy_from_linear_data_offset(skb, -tnl_hlen, + skb_copy_from_linear_data_offset(head_skb, -tnl_hlen, nskb->data - tnl_hlen, doffset + tnl_hlen); @@ -2966,30 +2966,32 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) if (!sg) { nskb->ip_summed = CHECKSUM_NONE; - nskb->csum = skb_copy_and_csum_bits(skb, offset, + nskb->csum = skb_copy_and_csum_bits(head_skb, offset, skb_put(nskb, len), len, 0); continue; } - frag = skb_shinfo(nskb)->frags; + nskb_frag = skb_shinfo(nskb)->frags; - skb_copy_from_linear_data_offset(skb, offset, + skb_copy_from_linear_data_offset(head_skb, offset, skb_put(nskb, hsize), hsize); - skb_shinfo(nskb)->tx_flags = skb_shinfo(skb)->tx_flags & SKBTX_SHARED_FRAG; + skb_shinfo(nskb)->tx_flags = skb_shinfo(head_skb)->tx_flags & + SKBTX_SHARED_FRAG; while (pos < offset + len) { if (i >= nfrags) { - BUG_ON(skb_headlen(fskb)); + BUG_ON(skb_headlen(list_skb)); i = 0; - nfrags = skb_shinfo(fskb)->nr_frags; - skb_frag = skb_shinfo(fskb)->frags; + nfrags = skb_shinfo(list_skb)->nr_frags; + frag = skb_shinfo(list_skb)->frags; + frag_skb = list_skb; BUG_ON(!nfrags); - fskb = fskb->next; + list_skb = list_skb->next; } if (unlikely(skb_shinfo(nskb)->nr_frags >= @@ -3000,27 +3002,30 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) goto err; } - *frag = *skb_frag; - __skb_frag_ref(frag); - size = skb_frag_size(frag); + if (unlikely(skb_orphan_frags(frag_skb, GFP_ATOMIC))) + goto err; + + *nskb_frag = *frag; + __skb_frag_ref(nskb_frag); + size = skb_frag_size(nskb_frag); if (pos < offset) { - frag->page_offset += offset - pos; - skb_frag_size_sub(frag, offset - pos); + nskb_frag->page_offset += offset - pos; + skb_frag_size_sub(nskb_frag, offset - pos); } skb_shinfo(nskb)->nr_frags++; if (pos + size <= offset + len) { i++; - skb_frag++; + frag++; pos += size; } else { - skb_frag_size_sub(frag, pos + size - (offset + len)); + skb_frag_size_sub(nskb_frag, pos + size - (offset + len)); goto skip_fraglist; } - frag++; + nskb_frag++; } skip_fraglist: @@ -3034,7 +3039,7 @@ perform_csum_check: nskb->len - doffset, 0); nskb->ip_summed = CHECKSUM_NONE; } - } while ((offset += len) < skb->len); + } while ((offset += len) < head_skb->len); return segs; diff --git a/net/core/sock.c b/net/core/sock.c index 5b6a9431b017..c0fc6bdad1e3 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2357,10 +2357,13 @@ void release_sock(struct sock *sk) if (sk->sk_backlog.tail) __release_sock(sk); + /* Warning : release_cb() might need to release sk ownership, + * ie call sock_release_ownership(sk) before us. + */ if (sk->sk_prot->release_cb) sk->sk_prot->release_cb(sk); - sk->sk_lock.owned = 0; + sock_release_ownership(sk); if (waitqueue_active(&sk->sk_lock.wq)) wake_up(&sk->sk_lock.wq); spin_unlock_bh(&sk->sk_lock.slock); diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index 327060c6c874..7ae0d7f6dbd0 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -297,7 +297,7 @@ static bool seq_nr_after(u16 a, u16 b) void hsr_register_frame_in(struct node_entry *node, enum hsr_dev_idx dev_idx) { - if ((dev_idx < 0) || (dev_idx >= HSR_MAX_DEV)) { + if ((dev_idx < 0) || (dev_idx >= HSR_MAX_SLAVE)) { WARN_ONCE(1, "%s: Invalid dev_idx (%d)\n", __func__, dev_idx); return; } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index ecd2c3f245ce..19ab78aca547 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1296,8 +1296,11 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, segs = ERR_PTR(-EPROTONOSUPPORT); - /* Note : following gso_segment() might change skb->encapsulation */ - udpfrag = !skb->encapsulation && proto == IPPROTO_UDP; + if (skb->encapsulation && + skb_shinfo(skb)->gso_type & (SKB_GSO_SIT|SKB_GSO_IPIP)) + udpfrag = proto == IPPROTO_UDP && encap; + else + udpfrag = proto == IPPROTO_UDP && !skb->encapsulation; ops = rcu_dereference(inet_offloads[proto]); if (likely(ops && ops->callbacks.gso_segment)) diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index bb075fc9a14f..3b01959bf4bb 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -208,7 +208,7 @@ int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f, bool force) } work = frag_mem_limit(nf) - nf->low_thresh; - while (work > 0) { + while (work > 0 || force) { spin_lock(&nf->lru_lock); if (list_empty(&nf->lru_list)) { @@ -278,9 +278,10 @@ static struct inet_frag_queue *inet_frag_intern(struct netns_frags *nf, atomic_inc(&qp->refcnt); hlist_add_head(&qp->list, &hb->chain); + inet_frag_lru_add(nf, qp); spin_unlock(&hb->chain_lock); read_unlock(&f->lock); - inet_frag_lru_add(nf, qp); + return qp; } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 8971780aec7c..73c6b63bba74 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -422,9 +422,6 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from) to->tc_index = from->tc_index; #endif nf_copy(to, from); -#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) - to->nf_trace = from->nf_trace; -#endif #if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) to->ipvs_property = from->ipvs_property; #endif diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 50228be5c17b..78a89e61925d 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -93,13 +93,14 @@ static void tunnel_dst_reset(struct ip_tunnel *t) tunnel_dst_set(t, NULL); } -static void tunnel_dst_reset_all(struct ip_tunnel *t) +void ip_tunnel_dst_reset_all(struct ip_tunnel *t) { int i; for_each_possible_cpu(i) __tunnel_dst_set(per_cpu_ptr(t->dst_cache, i), NULL); } +EXPORT_SYMBOL(ip_tunnel_dst_reset_all); static struct rtable *tunnel_rtable_get(struct ip_tunnel *t, u32 cookie) { @@ -119,52 +120,6 @@ static struct rtable *tunnel_rtable_get(struct ip_tunnel *t, u32 cookie) return (struct rtable *)dst; } -/* Often modified stats are per cpu, other are shared (netdev->stats) */ -struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev, - struct rtnl_link_stats64 *tot) -{ - int i; - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *tstats = - per_cpu_ptr(dev->tstats, i); - u64 rx_packets, rx_bytes, tx_packets, tx_bytes; - unsigned int start; - - do { - start = u64_stats_fetch_begin_bh(&tstats->syncp); - rx_packets = tstats->rx_packets; - tx_packets = tstats->tx_packets; - rx_bytes = tstats->rx_bytes; - tx_bytes = tstats->tx_bytes; - } while (u64_stats_fetch_retry_bh(&tstats->syncp, start)); - - tot->rx_packets += rx_packets; - tot->tx_packets += tx_packets; - tot->rx_bytes += rx_bytes; - tot->tx_bytes += tx_bytes; - } - - tot->multicast = dev->stats.multicast; - - tot->rx_crc_errors = dev->stats.rx_crc_errors; - tot->rx_fifo_errors = dev->stats.rx_fifo_errors; - tot->rx_length_errors = dev->stats.rx_length_errors; - tot->rx_frame_errors = dev->stats.rx_frame_errors; - tot->rx_errors = dev->stats.rx_errors; - - tot->tx_fifo_errors = dev->stats.tx_fifo_errors; - tot->tx_carrier_errors = dev->stats.tx_carrier_errors; - tot->tx_dropped = dev->stats.tx_dropped; - tot->tx_aborted_errors = dev->stats.tx_aborted_errors; - tot->tx_errors = dev->stats.tx_errors; - - tot->collisions = dev->stats.collisions; - - return tot; -} -EXPORT_SYMBOL_GPL(ip_tunnel_get_stats64); - static bool ip_tunnel_key_match(const struct ip_tunnel_parm *p, __be16 flags, __be32 key) { @@ -759,7 +714,7 @@ static void ip_tunnel_update(struct ip_tunnel_net *itn, if (set_mtu) dev->mtu = mtu; } - tunnel_dst_reset_all(t); + ip_tunnel_dst_reset_all(t); netdev_state_change(dev); } @@ -1088,7 +1043,7 @@ void ip_tunnel_uninit(struct net_device *dev) if (itn->fb_tunnel_dev != dev) ip_tunnel_del(netdev_priv(dev)); - tunnel_dst_reset_all(tunnel); + ip_tunnel_dst_reset_all(tunnel); } EXPORT_SYMBOL_GPL(ip_tunnel_uninit); diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 6156f4ef5e91..6f847dd56dbc 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -108,7 +108,6 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto) nf_reset(skb); secpath_reset(skb); skb_clear_hash_if_not_l4(skb); - skb_dst_drop(skb); skb->vlan_tci = 0; skb_set_queue_mapping(skb, 0); skb->pkt_type = PACKET_HOST; @@ -148,3 +147,49 @@ error: return ERR_PTR(err); } EXPORT_SYMBOL_GPL(iptunnel_handle_offloads); + +/* Often modified stats are per cpu, other are shared (netdev->stats) */ +struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *tot) +{ + int i; + + for_each_possible_cpu(i) { + const struct pcpu_sw_netstats *tstats = + per_cpu_ptr(dev->tstats, i); + u64 rx_packets, rx_bytes, tx_packets, tx_bytes; + unsigned int start; + + do { + start = u64_stats_fetch_begin_bh(&tstats->syncp); + rx_packets = tstats->rx_packets; + tx_packets = tstats->tx_packets; + rx_bytes = tstats->rx_bytes; + tx_bytes = tstats->tx_bytes; + } while (u64_stats_fetch_retry_bh(&tstats->syncp, start)); + + tot->rx_packets += rx_packets; + tot->tx_packets += tx_packets; + tot->rx_bytes += rx_bytes; + tot->tx_bytes += tx_bytes; + } + + tot->multicast = dev->stats.multicast; + + tot->rx_crc_errors = dev->stats.rx_crc_errors; + tot->rx_fifo_errors = dev->stats.rx_fifo_errors; + tot->rx_length_errors = dev->stats.rx_length_errors; + tot->rx_frame_errors = dev->stats.rx_frame_errors; + tot->rx_errors = dev->stats.rx_errors; + + tot->tx_fifo_errors = dev->stats.tx_fifo_errors; + tot->tx_carrier_errors = dev->stats.tx_carrier_errors; + tot->tx_dropped = dev->stats.tx_dropped; + tot->tx_aborted_errors = dev->stats.tx_aborted_errors; + tot->tx_errors = dev->stats.tx_errors; + + tot->collisions = dev->stats.collisions; + + return tot; +} +EXPORT_SYMBOL_GPL(ip_tunnel_get_stats64); diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c index d551e31b416e..7c676671329d 100644 --- a/net/ipv4/netfilter/nf_nat_snmp_basic.c +++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c @@ -1198,8 +1198,8 @@ static int snmp_translate(struct nf_conn *ct, map.to = NOCT1(&ct->tuplehash[!dir].tuple.dst.u3.ip); } else { /* DNAT replies */ - map.from = NOCT1(&ct->tuplehash[dir].tuple.src.u3.ip); - map.to = NOCT1(&ct->tuplehash[!dir].tuple.dst.u3.ip); + map.from = NOCT1(&ct->tuplehash[!dir].tuple.src.u3.ip); + map.to = NOCT1(&ct->tuplehash[dir].tuple.dst.u3.ip); } if (map.from == map.to) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 9f3a2db9109e..97c8f5620c43 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1044,7 +1044,8 @@ void tcp_free_fastopen_req(struct tcp_sock *tp) } } -static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *size) +static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, + int *copied, size_t size) { struct tcp_sock *tp = tcp_sk(sk); int err, flags; @@ -1059,11 +1060,12 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *size) if (unlikely(tp->fastopen_req == NULL)) return -ENOBUFS; tp->fastopen_req->data = msg; + tp->fastopen_req->size = size; flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0; err = __inet_stream_connect(sk->sk_socket, msg->msg_name, msg->msg_namelen, flags); - *size = tp->fastopen_req->copied; + *copied = tp->fastopen_req->copied; tcp_free_fastopen_req(tp); return err; } @@ -1083,7 +1085,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, flags = msg->msg_flags; if (flags & MSG_FASTOPEN) { - err = tcp_sendmsg_fastopen(sk, msg, &copied_syn); + err = tcp_sendmsg_fastopen(sk, msg, &copied_syn, size); if (err == -EINPROGRESS && copied_syn > 0) goto out; else if (err) diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index ad37bf18ae4b..2388275adb9b 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -290,8 +290,7 @@ bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight) left = tp->snd_cwnd - in_flight; if (sk_can_gso(sk) && left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd && - left * tp->mss_cache < sk->sk_gso_max_size && - left < sk->sk_gso_max_segs) + left < tp->xmit_size_goal_segs) return true; return left <= tcp_max_tso_deferred_mss(tp); } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 227cba79fa6b..eeaac399420d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1945,8 +1945,9 @@ void tcp_enter_loss(struct sock *sk, int how) if (skb == tcp_send_head(sk)) break; - if (TCP_SKB_CB(skb)->sacked & TCPCB_RETRANS) + if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS) tp->undo_marker = 0; + TCP_SKB_CB(skb)->sacked &= (~TCPCB_TAGBITS)|TCPCB_SACKED_ACKED; if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED) || how) { TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_ACKED; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 3be16727f058..17a11e65e57f 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -767,6 +767,17 @@ void tcp_release_cb(struct sock *sk) if (flags & (1UL << TCP_TSQ_DEFERRED)) tcp_tsq_handler(sk); + /* Here begins the tricky part : + * We are called from release_sock() with : + * 1) BH disabled + * 2) sk_lock.slock spinlock held + * 3) socket owned by us (sk->sk_lock.owned == 1) + * + * But following code is meant to be called from BH handlers, + * so we should keep BH disabled, but early release socket ownership + */ + sock_release_ownership(sk); + if (flags & (1UL << TCP_WRITE_TIMER_DEFERRED)) { tcp_write_timer_handler(sk); __sock_put(sk); @@ -864,8 +875,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, if (unlikely(skb->fclone == SKB_FCLONE_ORIG && fclone->fclone == SKB_FCLONE_CLONE)) - NET_INC_STATS_BH(sock_net(sk), - LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES); + NET_INC_STATS(sock_net(sk), + LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES); if (unlikely(skb_cloned(skb))) skb = pskb_copy(skb, gfp_mask); @@ -2337,6 +2348,7 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) struct tcp_sock *tp = tcp_sk(sk); struct inet_connection_sock *icsk = inet_csk(sk); unsigned int cur_mss; + int err; /* Inconslusive MTU probe */ if (icsk->icsk_mtup.probe_size) { @@ -2400,11 +2412,15 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) skb_headroom(skb) >= 0xFFFF)) { struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC); - return nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : - -ENOBUFS; + err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : + -ENOBUFS; } else { - return tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); + err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); } + + if (likely(!err)) + TCP_SKB_CB(skb)->sacked |= TCPCB_EVER_RETRANS; + return err; } int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) @@ -2908,7 +2924,12 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) space = __tcp_mtu_to_mss(sk, inet_csk(sk)->icsk_pmtu_cookie) - MAX_TCP_OPTION_SPACE; - syn_data = skb_copy_expand(syn, skb_headroom(syn), space, + space = min_t(size_t, space, fo->size); + + /* limit to order-0 allocations */ + space = min_t(size_t, space, SKB_MAX_HEAD(MAX_TCP_HEADER)); + + syn_data = skb_copy_expand(syn, MAX_TCP_HEADER, space, sk->sk_allocation); if (syn_data == NULL) goto fallback; diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index d92e5586783e..438a73aa777c 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -138,6 +138,7 @@ config INET6_XFRM_MODE_ROUTEOPTIMIZATION config IPV6_VTI tristate "Virtual (secure) IPv6: tunneling" select IPV6_TUNNEL + select NET_IP_TUNNEL depends on INET6_XFRM_MODE_TUNNEL ---help--- Tunneling means encapsulating data of one protocol type within diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index fdbfeca36d63..344e972426df 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1103,8 +1103,11 @@ retry: * Lifetime is greater than REGEN_ADVANCE time units. In particular, * an implementation must not create a temporary address with a zero * Preferred Lifetime. + * Use age calculation as in addrconf_verify to avoid unnecessary + * temporary addresses being generated. */ - if (tmp_prefered_lft <= regen_advance) { + age = (now - tmp_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; + if (tmp_prefered_lft <= regen_advance + age) { in6_ifa_put(ifp); in6_dev_put(idev); ret = -1; diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c index 140748debc4a..8af3eb57f438 100644 --- a/net/ipv6/exthdrs_core.c +++ b/net/ipv6/exthdrs_core.c @@ -212,7 +212,7 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, found = (nexthdr == target); if ((!ipv6_ext_hdr(nexthdr)) || nexthdr == NEXTHDR_NONE) { - if (target < 0) + if (target < 0 || found) break; return -ENOENT; } diff --git a/net/ipv6/exthdrs_offload.c b/net/ipv6/exthdrs_offload.c index cf77f3abfd06..447a7fbd1bb6 100644 --- a/net/ipv6/exthdrs_offload.c +++ b/net/ipv6/exthdrs_offload.c @@ -25,11 +25,11 @@ int __init ipv6_exthdrs_offload_init(void) int ret; ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING); - if (!ret) + if (ret) goto out; ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS); - if (!ret) + if (ret) goto out_rt; out: diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 1e8683b135bb..59f95affceb0 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -89,7 +89,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, unsigned int unfrag_ip6hlen; u8 *prevhdr; int offset = 0; - bool tunnel; + bool encap, udpfrag; int nhoff; if (unlikely(skb_shinfo(skb)->gso_type & @@ -110,8 +110,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) goto out; - tunnel = SKB_GSO_CB(skb)->encap_level > 0; - if (tunnel) + encap = SKB_GSO_CB(skb)->encap_level > 0; + if (encap) features = skb->dev->hw_enc_features & netif_skb_features(skb); SKB_GSO_CB(skb)->encap_level += sizeof(*ipv6h); @@ -121,6 +121,12 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, proto = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); + if (skb->encapsulation && + skb_shinfo(skb)->gso_type & (SKB_GSO_SIT|SKB_GSO_IPIP)) + udpfrag = proto == IPPROTO_UDP && encap; + else + udpfrag = proto == IPPROTO_UDP && !skb->encapsulation; + ops = rcu_dereference(inet6_offloads[proto]); if (likely(ops && ops->callbacks.gso_segment)) { skb_reset_transport_header(skb); @@ -133,13 +139,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, for (skb = segs; skb; skb = skb->next) { ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff); ipv6h->payload_len = htons(skb->len - nhoff - sizeof(*ipv6h)); - if (tunnel) { - skb_reset_inner_headers(skb); - skb->encapsulation = 1; - } skb->network_header = (u8 *)ipv6h - skb->head; - if (!tunnel && proto == IPPROTO_UDP) { + if (udpfrag) { unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr); fptr = (struct frag_hdr *)((u8 *)ipv6h + unfrag_ip6hlen); fptr->frag_off = htons(offset); @@ -148,6 +150,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, offset += (ntohs(ipv6h->payload_len) - sizeof(struct frag_hdr)); } + if (encap) + skb_reset_inner_headers(skb); } out: diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 070a2fae2375..16f91a2e7888 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -530,9 +530,6 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from) to->tc_index = from->tc_index; #endif nf_copy(to, from); -#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) - to->nf_trace = from->nf_trace; -#endif skb_copy_secmark(to, from); } diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index fb9beb78f00b..587bbdcb22b4 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -135,6 +135,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, fl6.flowi6_proto = IPPROTO_ICMPV6; fl6.saddr = np->saddr; fl6.daddr = *daddr; + fl6.flowi6_mark = sk->sk_mark; fl6.fl6_icmp_type = user_icmph.icmp6_type; fl6.fl6_icmp_code = user_icmph.icmp6_code; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 11dac21e6586..fba54a407bb2 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1513,7 +1513,7 @@ int ip6_route_add(struct fib6_config *cfg) if (!table) goto out; - rt = ip6_dst_alloc(net, NULL, DST_NOCOUNT, table); + rt = ip6_dst_alloc(net, NULL, (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT, table); if (!rt) { err = -ENOMEM; diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 3dfbcf1dcb1c..b4d74c86586c 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -475,6 +475,7 @@ static void ipip6_tunnel_uninit(struct net_device *dev) ipip6_tunnel_unlink(sitn, tunnel); ipip6_tunnel_del_prl(tunnel, NULL); } + ip_tunnel_dst_reset_all(tunnel); dev_put(dev); } @@ -1082,6 +1083,7 @@ static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p) t->parms.link = p->link; ipip6_tunnel_bind_dev(t->dev); } + ip_tunnel_dst_reset_all(t); netdev_state_change(t->dev); } @@ -1112,6 +1114,7 @@ static int ipip6_tunnel_update_6rd(struct ip_tunnel *t, t->ip6rd.relay_prefix = relay_prefix; t->ip6rd.prefixlen = ip6rd->prefixlen; t->ip6rd.relay_prefixlen = ip6rd->relay_prefixlen; + ip_tunnel_dst_reset_all(t); netdev_state_change(t->dev); return 0; } @@ -1271,6 +1274,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL); break; } + ip_tunnel_dst_reset_all(t); netdev_state_change(dev); break; @@ -1326,6 +1330,9 @@ static const struct net_device_ops ipip6_netdev_ops = { static void ipip6_dev_free(struct net_device *dev) { + struct ip_tunnel *tunnel = netdev_priv(dev); + + free_percpu(tunnel->dst_cache); free_percpu(dev->tstats); free_netdev(dev); } @@ -1375,6 +1382,12 @@ static int ipip6_tunnel_init(struct net_device *dev) u64_stats_init(&ipip6_tunnel_stats->syncp); } + tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst); + if (!tunnel->dst_cache) { + free_percpu(dev->tstats); + return -ENOMEM; + } + return 0; } @@ -1405,6 +1418,12 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev) u64_stats_init(&ipip6_fb_stats->syncp); } + tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst); + if (!tunnel->dst_cache) { + free_percpu(dev->tstats); + return -ENOMEM; + } + dev_hold(dev); rcu_assign_pointer(sitn->tunnels_wc[0], tunnel); return 0; diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index e7359f9eaa8d..b261ee8b83fc 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -113,7 +113,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen); fptr->nexthdr = nexthdr; fptr->reserved = 0; - ipv6_select_ident(fptr, (struct rt6_info *)skb_dst(skb)); + fptr->identification = skb_shinfo(skb)->ip6_frag_id; /* Fragment the skb. ipv6 header and the remaining fields of the * fragment header are updated in ipv6_gso_segment() diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 735d0f60c83a..85d9d94c0a3c 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -112,7 +112,6 @@ struct l2tp_net { spinlock_t l2tp_session_hlist_lock; }; -static void l2tp_session_set_header_len(struct l2tp_session *session, int version); static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel); static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk) @@ -1863,7 +1862,7 @@ EXPORT_SYMBOL_GPL(l2tp_session_delete); /* We come here whenever a session's send_seq, cookie_len or * l2specific_len parameters are set. */ -static void l2tp_session_set_header_len(struct l2tp_session *session, int version) +void l2tp_session_set_header_len(struct l2tp_session *session, int version) { if (version == L2TP_HDR_VER_2) { session->hdr_len = 6; @@ -1876,6 +1875,7 @@ static void l2tp_session_set_header_len(struct l2tp_session *session, int versio } } +EXPORT_SYMBOL_GPL(l2tp_session_set_header_len); struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunnel, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg) { diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 1f01ba3435bc..3f93ccd6ba97 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -263,6 +263,7 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, int length, int (*payload_hook)(struct sk_buff *skb)); int l2tp_session_queue_purge(struct l2tp_session *session); int l2tp_udp_encap_recv(struct sock *sk, struct sk_buff *skb); +void l2tp_session_set_header_len(struct l2tp_session *session, int version); int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len); diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 4cfd722e9153..bd7387adea9e 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -578,8 +578,10 @@ static int l2tp_nl_cmd_session_modify(struct sk_buff *skb, struct genl_info *inf if (info->attrs[L2TP_ATTR_RECV_SEQ]) session->recv_seq = nla_get_u8(info->attrs[L2TP_ATTR_RECV_SEQ]); - if (info->attrs[L2TP_ATTR_SEND_SEQ]) + if (info->attrs[L2TP_ATTR_SEND_SEQ]) { session->send_seq = nla_get_u8(info->attrs[L2TP_ATTR_SEND_SEQ]); + l2tp_session_set_header_len(session, session->tunnel->version); + } if (info->attrs[L2TP_ATTR_LNS_MODE]) session->lns_mode = nla_get_u8(info->attrs[L2TP_ATTR_LNS_MODE]); diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index be5fadf34739..5990919356a5 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -254,12 +254,14 @@ static void pppol2tp_recv(struct l2tp_session *session, struct sk_buff *skb, int po = pppox_sk(sk); ppp_input(&po->chan, skb); } else { - l2tp_info(session, PPPOL2TP_MSG_DATA, "%s: socket not bound\n", - session->name); + l2tp_dbg(session, PPPOL2TP_MSG_DATA, + "%s: recv %d byte data frame, passing to L2TP socket\n", + session->name, data_len); - /* Not bound. Nothing we can do, so discard. */ - atomic_long_inc(&session->stats.rx_errors); - kfree_skb(skb); + if (sock_queue_rcv_skb(sk, skb) < 0) { + atomic_long_inc(&session->stats.rx_errors); + kfree_skb(skb); + } } return; @@ -1312,6 +1314,7 @@ static int pppol2tp_session_setsockopt(struct sock *sk, po->chan.hdrlen = val ? PPPOL2TP_L2TP_HDR_SIZE_SEQ : PPPOL2TP_L2TP_HDR_SIZE_NOSEQ; } + l2tp_session_set_header_len(session, session->tunnel->version); l2tp_info(session, PPPOL2TP_MSG_CONTROL, "%s: set send_seq=%d\n", session->name, session->send_seq); diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index f43613a97dd6..0c1ecfdf9a12 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -100,6 +100,12 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local, } max_bw = max(max_bw, width); } + + /* use the configured bandwidth in case of monitor interface */ + sdata = rcu_dereference(local->monitor_sdata); + if (sdata && rcu_access_pointer(sdata->vif.chanctx_conf) == conf) + max_bw = max(max_bw, conf->def.width); + rcu_read_unlock(); return max_bw; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 3701930c6649..5e44e3179e02 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1692,14 +1692,8 @@ void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); void ieee80211_add_pending_skb(struct ieee80211_local *local, struct sk_buff *skb); -void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, - struct sk_buff_head *skbs, - void (*fn)(void *data), void *data); -static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, - struct sk_buff_head *skbs) -{ - ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); -} +void ieee80211_add_pending_skbs(struct ieee80211_local *local, + struct sk_buff_head *skbs); void ieee80211_flush_queues(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c index 2802f9d9279d..ad8b377b4b9f 100644 --- a/net/mac80211/mesh_ps.c +++ b/net/mac80211/mesh_ps.c @@ -36,6 +36,7 @@ static struct sk_buff *mps_qos_null_get(struct sta_info *sta) sdata->vif.addr); nullfunc->frame_control = fc; nullfunc->duration_id = 0; + nullfunc->seq_ctrl = 0; /* no address resolution for this frame -> set addr 1 immediately */ memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); memset(skb_put(skb, 2), 0, 2); /* append QoS control field */ diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index fc1d82465b3c..245dce969b31 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -222,6 +222,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, switch (vht_oper->chan_width) { case IEEE80211_VHT_CHANWIDTH_USE_HT: vht_chandef.width = chandef->width; + vht_chandef.center_freq1 = chandef->center_freq1; break; case IEEE80211_VHT_CHANWIDTH_80MHZ: vht_chandef.width = NL80211_CHAN_WIDTH_80; @@ -271,6 +272,28 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, ret = 0; out: + /* + * When tracking the current AP, don't do any further checks if the + * new chandef is identical to the one we're currently using for the + * connection. This keeps us from playing ping-pong with regulatory, + * without it the following can happen (for example): + * - connect to an AP with 80 MHz, world regdom allows 80 MHz + * - AP advertises regdom US + * - CRDA loads regdom US with 80 MHz prohibited (old database) + * - the code below detects an unsupported channel, downgrades, and + * we disconnect from the AP in the caller + * - disconnect causes CRDA to reload world regdomain and the game + * starts anew. + * (see https://bugzilla.kernel.org/show_bug.cgi?id=70881) + * + * It seems possible that there are still scenarios with CSA or real + * bandwidth changes where a this could happen, but those cases are + * less common and wouldn't completely prevent using the AP. + */ + if (tracking && + cfg80211_chandef_identical(chandef, &sdata->vif.bss_conf.chandef)) + return ret; + /* don't print the message below for VHT mismatch if VHT is disabled */ if (ret & IEEE80211_STA_DISABLE_VHT) vht_chandef = *chandef; @@ -3753,6 +3776,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); if (WARN_ON(!chanctx_conf)) { rcu_read_unlock(); + sta_info_free(local, new_sta); return -EINVAL; } rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index c24ca0d0f469..3e57f96c9666 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1128,6 +1128,13 @@ static void sta_ps_end(struct sta_info *sta) sta->sta.addr, sta->sta.aid); if (test_sta_flag(sta, WLAN_STA_PS_DRIVER)) { + /* + * Clear the flag only if the other one is still set + * so that the TX path won't start TX'ing new frames + * directly ... In the case that the driver flag isn't + * set ieee80211_sta_ps_deliver_wakeup() will clear it. + */ + clear_sta_flag(sta, WLAN_STA_PS_STA); ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n", sta->sta.addr, sta->sta.aid); return; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index decd30c1e290..137a192e64bc 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -91,7 +91,7 @@ static int sta_info_hash_del(struct ieee80211_local *local, return -ENOENT; } -static void cleanup_single_sta(struct sta_info *sta) +static void __cleanup_single_sta(struct sta_info *sta) { int ac, i; struct tid_ampdu_tx *tid_tx; @@ -99,7 +99,8 @@ static void cleanup_single_sta(struct sta_info *sta) struct ieee80211_local *local = sdata->local; struct ps_data *ps; - if (test_sta_flag(sta, WLAN_STA_PS_STA)) { + if (test_sta_flag(sta, WLAN_STA_PS_STA) || + test_sta_flag(sta, WLAN_STA_PS_DRIVER)) { if (sta->sdata->vif.type == NL80211_IFTYPE_AP || sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ps = &sdata->bss->ps; @@ -109,6 +110,7 @@ static void cleanup_single_sta(struct sta_info *sta) return; clear_sta_flag(sta, WLAN_STA_PS_STA); + clear_sta_flag(sta, WLAN_STA_PS_DRIVER); atomic_dec(&ps->num_sta_ps); sta_info_recalc_tim(sta); @@ -139,7 +141,14 @@ static void cleanup_single_sta(struct sta_info *sta) ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending); kfree(tid_tx); } +} +static void cleanup_single_sta(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; + + __cleanup_single_sta(sta); sta_info_free(local, sta); } @@ -330,6 +339,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); spin_lock_init(&sta->lock); + spin_lock_init(&sta->ps_lock); INIT_WORK(&sta->drv_unblock_wk, sta_unblock); INIT_WORK(&sta->ampdu_mlme.work, ieee80211_ba_session_work); mutex_init(&sta->ampdu_mlme.mtx); @@ -487,21 +497,26 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) goto out_err; } - /* notify driver */ - err = sta_info_insert_drv_state(local, sdata, sta); - if (err) - goto out_err; - local->num_sta++; local->sta_generation++; smp_mb(); + /* simplify things and don't accept BA sessions yet */ + set_sta_flag(sta, WLAN_STA_BLOCK_BA); + /* make the station visible */ sta_info_hash_add(local, sta); list_add_rcu(&sta->list, &local->sta_list); + /* notify driver */ + err = sta_info_insert_drv_state(local, sdata, sta); + if (err) + goto out_remove; + set_sta_flag(sta, WLAN_STA_INSERTED); + /* accept BA sessions now */ + clear_sta_flag(sta, WLAN_STA_BLOCK_BA); ieee80211_recalc_min_chandef(sdata); ieee80211_sta_debugfs_add(sta); @@ -522,6 +537,12 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) mesh_accept_plinks_update(sdata); return 0; + out_remove: + sta_info_hash_del(local, sta); + list_del_rcu(&sta->list); + local->num_sta--; + synchronize_net(); + __cleanup_single_sta(sta); out_err: mutex_unlock(&local->sta_mtx); rcu_read_lock(); @@ -1071,10 +1092,14 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif, } EXPORT_SYMBOL(ieee80211_find_sta); -static void clear_sta_ps_flags(void *_sta) +/* powersave support code */ +void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) { - struct sta_info *sta = _sta; struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; + struct sk_buff_head pending; + int filtered = 0, buffered = 0, ac; + unsigned long flags; struct ps_data *ps; if (sdata->vif.type == NL80211_IFTYPE_AP || @@ -1085,20 +1110,6 @@ static void clear_sta_ps_flags(void *_sta) else return; - clear_sta_flag(sta, WLAN_STA_PS_DRIVER); - if (test_and_clear_sta_flag(sta, WLAN_STA_PS_STA)) - atomic_dec(&ps->num_sta_ps); -} - -/* powersave support code */ -void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) -{ - struct ieee80211_sub_if_data *sdata = sta->sdata; - struct ieee80211_local *local = sdata->local; - struct sk_buff_head pending; - int filtered = 0, buffered = 0, ac; - unsigned long flags; - clear_sta_flag(sta, WLAN_STA_SP); BUILD_BUG_ON(BITS_TO_LONGS(IEEE80211_NUM_TIDS) > 1); @@ -1109,6 +1120,8 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) skb_queue_head_init(&pending); + /* sync with ieee80211_tx_h_unicast_ps_buf */ + spin_lock(&sta->ps_lock); /* Send all buffered frames to the station */ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { int count = skb_queue_len(&pending), tmp; @@ -1127,7 +1140,12 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) buffered += tmp - count; } - ieee80211_add_pending_skbs_fn(local, &pending, clear_sta_ps_flags, sta); + ieee80211_add_pending_skbs(local, &pending); + clear_sta_flag(sta, WLAN_STA_PS_DRIVER); + clear_sta_flag(sta, WLAN_STA_PS_STA); + spin_unlock(&sta->ps_lock); + + atomic_dec(&ps->num_sta_ps); /* This station just woke up and isn't aware of our SMPS state */ if (!ieee80211_smps_is_restrictive(sta->known_smps_mode, @@ -1188,6 +1206,7 @@ static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata, memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); + nullfunc->seq_ctrl = 0; skb->priority = tid; skb_set_queue_mapping(skb, ieee802_1d_to_ac[tid]); diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index d77ff7090630..d3a6d8208f2f 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -267,6 +267,7 @@ struct ieee80211_tx_latency_stat { * @drv_unblock_wk: used for driver PS unblocking * @listen_interval: listen interval of this station, when we're acting as AP * @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly + * @ps_lock: used for powersave (when mac80211 is the AP) related locking * @ps_tx_buf: buffers (per AC) of frames to transmit to this station * when it leaves power saving state or polls * @tx_filtered: buffers (per AC) of frames we already tried to @@ -356,10 +357,8 @@ struct sta_info { /* use the accessors defined below */ unsigned long _flags; - /* - * STA powersave frame queues, no more than the internal - * locking required. - */ + /* STA powersave lock and frame queues */ + spinlock_t ps_lock; struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS]; struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS]; unsigned long driver_buffered_tids; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 97a02d3f7d87..4080c615636f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -478,6 +478,20 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) sta->sta.addr, sta->sta.aid, ac); if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) purge_old_ps_buffers(tx->local); + + /* sync with ieee80211_sta_ps_deliver_wakeup */ + spin_lock(&sta->ps_lock); + /* + * STA woke up the meantime and all the frames on ps_tx_buf have + * been queued to pending queue. No reordering can happen, go + * ahead and Tx the packet. + */ + if (!test_sta_flag(sta, WLAN_STA_PS_STA) && + !test_sta_flag(sta, WLAN_STA_PS_DRIVER)) { + spin_unlock(&sta->ps_lock); + return TX_CONTINUE; + } + if (skb_queue_len(&sta->ps_tx_buf[ac]) >= STA_MAX_TX_BUFFER) { struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf[ac]); ps_dbg(tx->sdata, @@ -492,6 +506,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; skb_queue_tail(&sta->ps_tx_buf[ac], tx->skb); + spin_unlock(&sta->ps_lock); if (!timer_pending(&local->sta_cleanup)) mod_timer(&local->sta_cleanup, diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 676dc0967f37..b8700d417a9c 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -435,9 +435,8 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local, spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } -void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, - struct sk_buff_head *skbs, - void (*fn)(void *data), void *data) +void ieee80211_add_pending_skbs(struct ieee80211_local *local, + struct sk_buff_head *skbs) { struct ieee80211_hw *hw = &local->hw; struct sk_buff *skb; @@ -461,9 +460,6 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, __skb_queue_tail(&local->pending[queue], skb); } - if (fn) - fn(data); - for (i = 0; i < hw->queues; i++) __ieee80211_wake_queue(hw, i, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); @@ -1741,6 +1737,26 @@ int ieee80211_reconfig(struct ieee80211_local *local) IEEE80211_QUEUE_STOP_REASON_SUSPEND); /* + * Reconfigure sched scan if it was interrupted by FW restart or + * suspend. + */ + mutex_lock(&local->mtx); + sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, + lockdep_is_held(&local->mtx)); + if (sched_scan_sdata && local->sched_scan_req) + /* + * Sched scan stopped, but we don't want to report it. Instead, + * we're trying to reschedule. + */ + if (__ieee80211_request_sched_scan_start(sched_scan_sdata, + local->sched_scan_req)) + sched_scan_stopped = true; + mutex_unlock(&local->mtx); + + if (sched_scan_stopped) + cfg80211_sched_scan_stopped(local->hw.wiphy); + + /* * If this is for hw restart things are still running. * We may want to change that later, however. */ @@ -1768,26 +1784,6 @@ int ieee80211_reconfig(struct ieee80211_local *local) WARN_ON(1); #endif - /* - * Reconfigure sched scan if it was interrupted by FW restart or - * suspend. - */ - mutex_lock(&local->mtx); - sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata, - lockdep_is_held(&local->mtx)); - if (sched_scan_sdata && local->sched_scan_req) - /* - * Sched scan stopped, but we don't want to report it. Instead, - * we're trying to reschedule. - */ - if (__ieee80211_request_sched_scan_start(sched_scan_sdata, - local->sched_scan_req)) - sched_scan_stopped = true; - mutex_unlock(&local->mtx); - - if (sched_scan_stopped) - cfg80211_sched_scan_stopped(local->hw.wiphy); - return 0; } diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 21211c60ca98..d51422c778de 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -154,6 +154,11 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, return IEEE80211_AC_BE; } + if (skb->protocol == sdata->control_port_protocol) { + skb->priority = 7; + return ieee80211_downgrade_queue(sdata, skb); + } + /* use the data classifier to determine what 802.1d tag the * data frame has */ rcu_read_lock(); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index bb322d0beb48..b9f0e0374322 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1310,27 +1310,22 @@ ctnetlink_change_status(struct nf_conn *ct, const struct nlattr * const cda[]) } static int -ctnetlink_change_nat(struct nf_conn *ct, const struct nlattr * const cda[]) +ctnetlink_setup_nat(struct nf_conn *ct, const struct nlattr * const cda[]) { #ifdef CONFIG_NF_NAT_NEEDED int ret; - if (cda[CTA_NAT_DST]) { - ret = ctnetlink_parse_nat_setup(ct, - NF_NAT_MANIP_DST, - cda[CTA_NAT_DST]); - if (ret < 0) - return ret; - } - if (cda[CTA_NAT_SRC]) { - ret = ctnetlink_parse_nat_setup(ct, - NF_NAT_MANIP_SRC, - cda[CTA_NAT_SRC]); - if (ret < 0) - return ret; - } - return 0; + ret = ctnetlink_parse_nat_setup(ct, NF_NAT_MANIP_DST, + cda[CTA_NAT_DST]); + if (ret < 0) + return ret; + + ret = ctnetlink_parse_nat_setup(ct, NF_NAT_MANIP_SRC, + cda[CTA_NAT_SRC]); + return ret; #else + if (!cda[CTA_NAT_DST] && !cda[CTA_NAT_SRC]) + return 0; return -EOPNOTSUPP; #endif } @@ -1659,11 +1654,9 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, goto err2; } - if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) { - err = ctnetlink_change_nat(ct, cda); - if (err < 0) - goto err2; - } + err = ctnetlink_setup_nat(ct, cda); + if (err < 0) + goto err2; nf_ct_acct_ext_add(ct, GFP_ATOMIC); nf_ct_tstamp_ext_add(ct, GFP_ATOMIC); diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index d3f5cd6dd962..52ca952b802c 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -432,15 +432,15 @@ nf_nat_setup_info(struct nf_conn *ct, } EXPORT_SYMBOL(nf_nat_setup_info); -unsigned int -nf_nat_alloc_null_binding(struct nf_conn *ct, unsigned int hooknum) +static unsigned int +__nf_nat_alloc_null_binding(struct nf_conn *ct, enum nf_nat_manip_type manip) { /* Force range to this IP; let proto decide mapping for * per-proto parts (hence not IP_NAT_RANGE_PROTO_SPECIFIED). * Use reply in case it's already been mangled (eg local packet). */ union nf_inet_addr ip = - (HOOK2MANIP(hooknum) == NF_NAT_MANIP_SRC ? + (manip == NF_NAT_MANIP_SRC ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3 : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3); struct nf_nat_range range = { @@ -448,7 +448,13 @@ nf_nat_alloc_null_binding(struct nf_conn *ct, unsigned int hooknum) .min_addr = ip, .max_addr = ip, }; - return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum)); + return nf_nat_setup_info(ct, &range, manip); +} + +unsigned int +nf_nat_alloc_null_binding(struct nf_conn *ct, unsigned int hooknum) +{ + return __nf_nat_alloc_null_binding(ct, HOOK2MANIP(hooknum)); } EXPORT_SYMBOL_GPL(nf_nat_alloc_null_binding); @@ -702,9 +708,9 @@ static const struct nla_policy nat_nla_policy[CTA_NAT_MAX+1] = { static int nfnetlink_parse_nat(const struct nlattr *nat, - const struct nf_conn *ct, struct nf_nat_range *range) + const struct nf_conn *ct, struct nf_nat_range *range, + const struct nf_nat_l3proto *l3proto) { - const struct nf_nat_l3proto *l3proto; struct nlattr *tb[CTA_NAT_MAX+1]; int err; @@ -714,38 +720,46 @@ nfnetlink_parse_nat(const struct nlattr *nat, if (err < 0) return err; - rcu_read_lock(); - l3proto = __nf_nat_l3proto_find(nf_ct_l3num(ct)); - if (l3proto == NULL) { - err = -EAGAIN; - goto out; - } err = l3proto->nlattr_to_range(tb, range); if (err < 0) - goto out; + return err; if (!tb[CTA_NAT_PROTO]) - goto out; + return 0; - err = nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO], ct, range); -out: - rcu_read_unlock(); - return err; + return nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO], ct, range); } +/* This function is called under rcu_read_lock() */ static int nfnetlink_parse_nat_setup(struct nf_conn *ct, enum nf_nat_manip_type manip, const struct nlattr *attr) { struct nf_nat_range range; + const struct nf_nat_l3proto *l3proto; int err; - err = nfnetlink_parse_nat(attr, ct, &range); + /* Should not happen, restricted to creating new conntracks + * via ctnetlink. + */ + if (WARN_ON_ONCE(nf_nat_initialized(ct, manip))) + return -EEXIST; + + /* Make sure that L3 NAT is there by when we call nf_nat_setup_info to + * attach the null binding, otherwise this may oops. + */ + l3proto = __nf_nat_l3proto_find(nf_ct_l3num(ct)); + if (l3proto == NULL) + return -EAGAIN; + + /* No NAT information has been passed, allocate the null-binding */ + if (attr == NULL) + return __nf_nat_alloc_null_binding(ct, manip); + + err = nfnetlink_parse_nat(attr, ct, &range, l3proto); if (err < 0) return err; - if (nf_nat_initialized(ct, manip)) - return -EEXIST; return nf_nat_setup_info(ct, &range, manip); } diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index e8254ad2e5a9..425cf39af890 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -116,7 +116,7 @@ static void nft_meta_get_eval(const struct nft_expr *expr, skb->sk->sk_socket->file->f_cred->fsgid); read_unlock_bh(&skb->sk->sk_callback_lock); break; -#ifdef CONFIG_NET_CLS_ROUTE +#ifdef CONFIG_IP_ROUTE_CLASSID case NFT_META_RTCLASSID: { const struct dst_entry *dst = skb_dst(skb); @@ -199,7 +199,7 @@ static int nft_meta_init_validate_get(uint32_t key) case NFT_META_OIFTYPE: case NFT_META_SKUID: case NFT_META_SKGID: -#ifdef CONFIG_NET_CLS_ROUTE +#ifdef CONFIG_IP_ROUTE_CLASSID case NFT_META_RTCLASSID: #endif #ifdef CONFIG_NETWORK_SECMARK diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index a2aeb318678f..85daa84bfdfe 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -135,7 +135,8 @@ nft_payload_select_ops(const struct nft_ctx *ctx, if (len == 0 || len > FIELD_SIZEOF(struct nft_data, data)) return ERR_PTR(-EINVAL); - if (len <= 4 && IS_ALIGNED(offset, len) && base != NFT_PAYLOAD_LL_HEADER) + if (len <= 4 && is_power_of_2(len) && IS_ALIGNED(offset, len) && + base != NFT_PAYLOAD_LL_HEADER) return &nft_payload_fast_ops; else return &nft_payload_ops; diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c index 8a310f239c93..b718a52a4654 100644 --- a/net/netfilter/nft_reject_inet.c +++ b/net/netfilter/nft_reject_inet.c @@ -21,9 +21,9 @@ static void nft_reject_inet_eval(const struct nft_expr *expr, { switch (pkt->ops->pf) { case NFPROTO_IPV4: - nft_reject_ipv4_eval(expr, data, pkt); + return nft_reject_ipv4_eval(expr, data, pkt); case NFPROTO_IPV6: - nft_reject_ipv6_eval(expr, data, pkt); + return nft_reject_ipv6_eval(expr, data, pkt); } } diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index fdf51353cf78..04748ab649c2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1489,8 +1489,8 @@ static int netlink_connect(struct socket *sock, struct sockaddr *addr, if (addr->sa_family != AF_NETLINK) return -EINVAL; - /* Only superuser is allowed to send multicasts */ - if (nladdr->nl_groups && !netlink_capable(sock, NL_CFG_F_NONROOT_SEND)) + if ((nladdr->nl_groups || nladdr->nl_pid) && + !netlink_capable(sock, NL_CFG_F_NONROOT_SEND)) return -EPERM; if (!nlk->portid) diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 46bda010bf11..56db888b1cd5 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -301,7 +301,7 @@ static int nci_open_device(struct nci_dev *ndev) rc = __nci_request(ndev, nci_reset_req, 0, msecs_to_jiffies(NCI_RESET_TIMEOUT)); - if (ndev->ops->setup(ndev)) + if (ndev->ops->setup) ndev->ops->setup(ndev); if (!rc) { diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 1313145e3b86..a07d55e75698 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -273,11 +273,12 @@ static struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle) void qdisc_list_add(struct Qdisc *q) { - struct Qdisc *root = qdisc_dev(q)->qdisc; + if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) { + struct Qdisc *root = qdisc_dev(q)->qdisc; - WARN_ON_ONCE(root == &noop_qdisc); - if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) + WARN_ON_ONCE(root == &noop_qdisc); list_add_tail(&q->list, &root->list); + } } EXPORT_SYMBOL(qdisc_list_add); diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index 08ef7a42c0e4..21e251766eb1 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -601,6 +601,7 @@ static int fq_resize(struct Qdisc *sch, u32 log) { struct fq_sched_data *q = qdisc_priv(sch); struct rb_root *array; + void *old_fq_root; u32 idx; if (q->fq_root && log == q->fq_trees_log) @@ -615,13 +616,19 @@ static int fq_resize(struct Qdisc *sch, u32 log) for (idx = 0; idx < (1U << log); idx++) array[idx] = RB_ROOT; - if (q->fq_root) { - fq_rehash(q, q->fq_root, q->fq_trees_log, array, log); - fq_free(q->fq_root); - } + sch_tree_lock(sch); + + old_fq_root = q->fq_root; + if (old_fq_root) + fq_rehash(q, old_fq_root, q->fq_trees_log, array, log); + q->fq_root = array; q->fq_trees_log = log; + sch_tree_unlock(sch); + + fq_free(old_fq_root); + return 0; } @@ -697,9 +704,11 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) q->flow_refill_delay = usecs_to_jiffies(usecs_delay); } - if (!err) + if (!err) { + sch_tree_unlock(sch); err = fq_resize(sch, fq_log); - + sch_tree_lock(sch); + } while (sch->q.qlen > sch->limit) { struct sk_buff *skb = fq_dequeue(sch); diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 1cb413fead89..4f505a006896 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -334,18 +334,6 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt) qdisc_put_rtab(qdisc_get_rtab(&qopt->peakrate, tb[TCA_TBF_PTAB])); - if (q->qdisc != &noop_qdisc) { - err = fifo_set_limit(q->qdisc, qopt->limit); - if (err) - goto done; - } else if (qopt->limit > 0) { - child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit); - if (IS_ERR(child)) { - err = PTR_ERR(child); - goto done; - } - } - buffer = min_t(u64, PSCHED_TICKS2NS(qopt->buffer), ~0U); mtu = min_t(u64, PSCHED_TICKS2NS(qopt->mtu), ~0U); @@ -390,6 +378,18 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt) goto done; } + if (q->qdisc != &noop_qdisc) { + err = fifo_set_limit(q->qdisc, qopt->limit); + if (err) + goto done; + } else if (qopt->limit > 0) { + child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit); + if (IS_ERR(child)) { + err = PTR_ERR(child); + goto done; + } + } + sch_tree_lock(sch); if (child) { qdisc_tree_decrease_qlen(q->qdisc, q->qdisc->q.qlen); diff --git a/net/sctp/associola.c b/net/sctp/associola.c index f558433537b8..ee13d28d39d1 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1239,78 +1239,107 @@ void sctp_assoc_update(struct sctp_association *asoc, } /* Update the retran path for sending a retransmitted packet. - * Round-robin through the active transports, else round-robin - * through the inactive transports as this is the next best thing - * we can try. + * See also RFC4960, 6.4. Multi-Homed SCTP Endpoints: + * + * When there is outbound data to send and the primary path + * becomes inactive (e.g., due to failures), or where the + * SCTP user explicitly requests to send data to an + * inactive destination transport address, before reporting + * an error to its ULP, the SCTP endpoint should try to send + * the data to an alternate active destination transport + * address if one exists. + * + * When retransmitting data that timed out, if the endpoint + * is multihomed, it should consider each source-destination + * address pair in its retransmission selection policy. + * When retransmitting timed-out data, the endpoint should + * attempt to pick the most divergent source-destination + * pair from the original source-destination pair to which + * the packet was transmitted. + * + * Note: Rules for picking the most divergent source-destination + * pair are an implementation decision and are not specified + * within this document. + * + * Our basic strategy is to round-robin transports in priorities + * according to sctp_state_prio_map[] e.g., if no such + * transport with state SCTP_ACTIVE exists, round-robin through + * SCTP_UNKNOWN, etc. You get the picture. */ -void sctp_assoc_update_retran_path(struct sctp_association *asoc) +static const u8 sctp_trans_state_to_prio_map[] = { + [SCTP_ACTIVE] = 3, /* best case */ + [SCTP_UNKNOWN] = 2, + [SCTP_PF] = 1, + [SCTP_INACTIVE] = 0, /* worst case */ +}; + +static u8 sctp_trans_score(const struct sctp_transport *trans) { - struct sctp_transport *t, *next; - struct list_head *head = &asoc->peer.transport_addr_list; - struct list_head *pos; + return sctp_trans_state_to_prio_map[trans->state]; +} - if (asoc->peer.transport_count == 1) - return; +static struct sctp_transport *sctp_trans_elect_best(struct sctp_transport *curr, + struct sctp_transport *best) +{ + if (best == NULL) + return curr; - /* Find the next transport in a round-robin fashion. */ - t = asoc->peer.retran_path; - pos = &t->transports; - next = NULL; + return sctp_trans_score(curr) > sctp_trans_score(best) ? curr : best; +} - while (1) { - /* Skip the head. */ - if (pos->next == head) - pos = head->next; - else - pos = pos->next; +void sctp_assoc_update_retran_path(struct sctp_association *asoc) +{ + struct sctp_transport *trans = asoc->peer.retran_path; + struct sctp_transport *trans_next = NULL; - t = list_entry(pos, struct sctp_transport, transports); + /* We're done as we only have the one and only path. */ + if (asoc->peer.transport_count == 1) + return; + /* If active_path and retran_path are the same and active, + * then this is the only active path. Use it. + */ + if (asoc->peer.active_path == asoc->peer.retran_path && + asoc->peer.active_path->state == SCTP_ACTIVE) + return; - /* We have exhausted the list, but didn't find any - * other active transports. If so, use the next - * transport. - */ - if (t == asoc->peer.retran_path) { - t = next; + /* Iterate from retran_path's successor back to retran_path. */ + for (trans = list_next_entry(trans, transports); 1; + trans = list_next_entry(trans, transports)) { + /* Manually skip the head element. */ + if (&trans->transports == &asoc->peer.transport_addr_list) + continue; + if (trans->state == SCTP_UNCONFIRMED) + continue; + trans_next = sctp_trans_elect_best(trans, trans_next); + /* Active is good enough for immediate return. */ + if (trans_next->state == SCTP_ACTIVE) break; - } - - /* Try to find an active transport. */ - - if ((t->state == SCTP_ACTIVE) || - (t->state == SCTP_UNKNOWN)) { + /* We've reached the end, time to update path. */ + if (trans == asoc->peer.retran_path) break; - } else { - /* Keep track of the next transport in case - * we don't find any active transport. - */ - if (t->state != SCTP_UNCONFIRMED && !next) - next = t; - } } - if (t) - asoc->peer.retran_path = t; - else - t = asoc->peer.retran_path; + if (trans_next != NULL) + asoc->peer.retran_path = trans_next; - pr_debug("%s: association:%p addr:%pISpc\n", __func__, asoc, - &t->ipaddr.sa); + pr_debug("%s: association:%p updated new path to addr:%pISpc\n", + __func__, asoc, &asoc->peer.retran_path->ipaddr.sa); } -/* Choose the transport for sending retransmit packet. */ -struct sctp_transport *sctp_assoc_choose_alter_transport( - struct sctp_association *asoc, struct sctp_transport *last_sent_to) +struct sctp_transport * +sctp_assoc_choose_alter_transport(struct sctp_association *asoc, + struct sctp_transport *last_sent_to) { /* If this is the first time packet is sent, use the active path, * else use the retran path. If the last packet was sent over the * retran path, update the retran path and use it. */ - if (!last_sent_to) + if (last_sent_to == NULL) { return asoc->peer.active_path; - else { + } else { if (last_sent_to == asoc->peer.retran_path) sctp_assoc_update_retran_path(asoc); + return asoc->peer.retran_path; } } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 632090b961c3..3a1767ef3201 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1421,8 +1421,8 @@ static void sctp_chunk_destroy(struct sctp_chunk *chunk) BUG_ON(!list_empty(&chunk->list)); list_del_init(&chunk->transmitted_list); - /* Free the chunk skb data and the SCTP_chunk stub itself. */ - dev_kfree_skb(chunk->skb); + consume_skb(chunk->skb); + consume_skb(chunk->auth_chunk); SCTP_DBG_OBJCNT_DEC(chunk); kmem_cache_free(sctp_chunk_cachep, chunk); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index bd859154000e..5d6883ff00c3 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -495,11 +495,12 @@ static void sctp_do_8_2_transport_strike(sctp_cmd_seq_t *commands, } /* If the transport error count is greater than the pf_retrans - * threshold, and less than pathmaxrtx, then mark this transport - * as Partially Failed, ee SCTP Quick Failover Draft, secon 5.1, - * point 1 + * threshold, and less than pathmaxrtx, and if the current state + * is not SCTP_UNCONFIRMED, then mark this transport as Partially + * Failed, see SCTP Quick Failover Draft, section 5.1 */ if ((transport->state != SCTP_PF) && + (transport->state != SCTP_UNCONFIRMED) && (asoc->pf_retrans < transport->pathmaxrxt) && (transport->error_count > asoc->pf_retrans)) { diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 591b44d3b7de..01e002430c85 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -758,6 +758,12 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(struct net *net, struct sctp_chunk auth; sctp_ierror_t ret; + /* Make sure that we and the peer are AUTH capable */ + if (!net->sctp.auth_enable || !new_asoc->peer.auth_capable) { + sctp_association_free(new_asoc); + return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); + } + /* set-up our fake chunk so that we can process it */ auth.skb = chunk->auth_chunk; auth.asoc = chunk->asoc; @@ -768,10 +774,6 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(struct net *net, auth.transport = chunk->transport; ret = sctp_sf_authenticate(net, ep, new_asoc, type, &auth); - - /* We can now safely free the auth_chunk clone */ - kfree_skb(chunk->auth_chunk); - if (ret != SCTP_IERROR_NO_ERROR) { sctp_association_free(new_asoc); return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); diff --git a/net/socket.c b/net/socket.c index 879933aaed4c..a19ae1968d37 100644 --- a/net/socket.c +++ b/net/socket.c @@ -450,16 +450,17 @@ EXPORT_SYMBOL(sockfd_lookup); static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed) { - struct file *file; + struct fd f = fdget(fd); struct socket *sock; *err = -EBADF; - file = fget_light(fd, fput_needed); - if (file) { - sock = sock_from_file(file, err); - if (sock) + if (f.file) { + sock = sock_from_file(f.file, err); + if (likely(sock)) { + *fput_needed = f.flags; return sock; - fput_light(file, *fput_needed); + } + fdput(f); } return NULL; } @@ -1985,6 +1986,10 @@ static int copy_msghdr_from_user(struct msghdr *kmsg, { if (copy_from_user(kmsg, umsg, sizeof(struct msghdr))) return -EFAULT; + + if (kmsg->msg_namelen < 0) + return -EINVAL; + if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) kmsg->msg_namelen = sizeof(struct sockaddr_storage); return 0; diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index a38c89969c68..574b86193b15 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -610,8 +610,13 @@ static struct notifier_block notifier = { int tipc_bearer_setup(void) { + int err; + + err = register_netdevice_notifier(¬ifier); + if (err) + return err; dev_add_pack(&tipc_packet_type); - return register_netdevice_notifier(¬ifier); + return 0; } void tipc_bearer_cleanup(void) diff --git a/net/tipc/config.c b/net/tipc/config.c index c301a9a592d8..e6d721692ae0 100644 --- a/net/tipc/config.c +++ b/net/tipc/config.c @@ -181,7 +181,7 @@ static struct sk_buff *cfg_set_own_addr(void) if (tipc_own_addr) return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED " (cannot change node address once assigned)"); - tipc_core_start_net(addr); + tipc_net_start(addr); return tipc_cfg_reply_none(); } @@ -376,7 +376,6 @@ static void cfg_conn_msg_event(int conid, struct sockaddr_tipc *addr, struct tipc_cfg_msg_hdr *req_hdr; struct tipc_cfg_msg_hdr *rep_hdr; struct sk_buff *rep_buf; - int ret; /* Validate configuration message header (ignore invalid message) */ req_hdr = (struct tipc_cfg_msg_hdr *)buf; @@ -398,12 +397,8 @@ static void cfg_conn_msg_event(int conid, struct sockaddr_tipc *addr, memcpy(rep_hdr, req_hdr, sizeof(*rep_hdr)); rep_hdr->tcm_len = htonl(rep_buf->len); rep_hdr->tcm_flags &= htons(~TCM_F_REQUEST); - - ret = tipc_conn_sendmsg(&cfgsrv, conid, addr, rep_buf->data, - rep_buf->len); - if (ret < 0) - pr_err("Sending cfg reply message failed, no memory\n"); - + tipc_conn_sendmsg(&cfgsrv, conid, addr, rep_buf->data, + rep_buf->len); kfree_skb(rep_buf); } } diff --git a/net/tipc/core.c b/net/tipc/core.c index f9e88d8b04ca..80c20647b3d2 100644 --- a/net/tipc/core.c +++ b/net/tipc/core.c @@ -77,37 +77,13 @@ struct sk_buff *tipc_buf_acquire(u32 size) } /** - * tipc_core_stop_net - shut down TIPC networking sub-systems - */ -static void tipc_core_stop_net(void) -{ - tipc_net_stop(); - tipc_bearer_cleanup(); -} - -/** - * start_net - start TIPC networking sub-systems - */ -int tipc_core_start_net(unsigned long addr) -{ - int res; - - tipc_net_start(addr); - res = tipc_bearer_setup(); - if (res < 0) - goto err; - return res; - -err: - tipc_core_stop_net(); - return res; -} - -/** * tipc_core_stop - switch TIPC from SINGLE NODE to NOT RUNNING mode */ static void tipc_core_stop(void) { + tipc_handler_stop(); + tipc_net_stop(); + tipc_bearer_cleanup(); tipc_netlink_stop(); tipc_cfg_stop(); tipc_subscr_stop(); @@ -122,30 +98,65 @@ static void tipc_core_stop(void) */ static int tipc_core_start(void) { - int res; + int err; get_random_bytes(&tipc_random, sizeof(tipc_random)); - res = tipc_handler_start(); - if (!res) - res = tipc_ref_table_init(tipc_max_ports, tipc_random); - if (!res) - res = tipc_nametbl_init(); - if (!res) - res = tipc_netlink_start(); - if (!res) - res = tipc_socket_init(); - if (!res) - res = tipc_register_sysctl(); - if (!res) - res = tipc_subscr_start(); - if (!res) - res = tipc_cfg_init(); - if (res) { - tipc_handler_stop(); - tipc_core_stop(); - } - return res; + err = tipc_handler_start(); + if (err) + goto out_handler; + + err = tipc_ref_table_init(tipc_max_ports, tipc_random); + if (err) + goto out_reftbl; + + err = tipc_nametbl_init(); + if (err) + goto out_nametbl; + + err = tipc_netlink_start(); + if (err) + goto out_netlink; + + err = tipc_socket_init(); + if (err) + goto out_socket; + + err = tipc_register_sysctl(); + if (err) + goto out_sysctl; + + err = tipc_subscr_start(); + if (err) + goto out_subscr; + + err = tipc_cfg_init(); + if (err) + goto out_cfg; + + err = tipc_bearer_setup(); + if (err) + goto out_bearer; + + return 0; +out_bearer: + tipc_cfg_stop(); +out_cfg: + tipc_subscr_stop(); +out_subscr: + tipc_unregister_sysctl(); +out_sysctl: + tipc_socket_stop(); +out_socket: + tipc_netlink_stop(); +out_netlink: + tipc_nametbl_stop(); +out_nametbl: + tipc_ref_table_stop(); +out_reftbl: + tipc_handler_stop(); +out_handler: + return err; } static int __init tipc_init(void) @@ -174,8 +185,6 @@ static int __init tipc_init(void) static void __exit tipc_exit(void) { - tipc_handler_stop(); - tipc_core_stop_net(); tipc_core_stop(); pr_info("Deactivated\n"); } diff --git a/net/tipc/core.h b/net/tipc/core.h index 5569d96b4da3..4dfe137587bb 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -90,7 +90,6 @@ extern int tipc_random __read_mostly; /* * Routines available to privileged subsystems */ -int tipc_core_start_net(unsigned long); int tipc_handler_start(void); void tipc_handler_stop(void); int tipc_netlink_start(void); diff --git a/net/tipc/handler.c b/net/tipc/handler.c index e4bc8a296744..1fabf160501f 100644 --- a/net/tipc/handler.c +++ b/net/tipc/handler.c @@ -58,7 +58,6 @@ unsigned int tipc_k_signal(Handler routine, unsigned long argument) spin_lock_bh(&qitem_lock); if (!handler_enabled) { - pr_err("Signal request ignored by handler\n"); spin_unlock_bh(&qitem_lock); return -ENOPROTOOPT; } diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 92a1533af4e0..042e8e3cabc0 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -941,20 +941,48 @@ int tipc_nametbl_init(void) return 0; } -void tipc_nametbl_stop(void) +/** + * tipc_purge_publications - remove all publications for a given type + * + * tipc_nametbl_lock must be held when calling this function + */ +static void tipc_purge_publications(struct name_seq *seq) { - u32 i; + struct publication *publ, *safe; + struct sub_seq *sseq; + struct name_info *info; - if (!table.types) + if (!seq->sseqs) { + nameseq_delete_empty(seq); return; + } + sseq = seq->sseqs; + info = sseq->info; + list_for_each_entry_safe(publ, safe, &info->zone_list, zone_list) { + tipc_nametbl_remove_publ(publ->type, publ->lower, publ->node, + publ->ref, publ->key); + } +} + +void tipc_nametbl_stop(void) +{ + u32 i; + struct name_seq *seq; + struct hlist_head *seq_head; + struct hlist_node *safe; - /* Verify name table is empty, then release it */ + /* Verify name table is empty and purge any lingering + * publications, then release the name table + */ write_lock_bh(&tipc_nametbl_lock); for (i = 0; i < TIPC_NAMETBL_SIZE; i++) { if (hlist_empty(&table.types[i])) continue; - pr_err("nametbl_stop(): orphaned hash chain detected\n"); - break; + seq_head = &table.types[i]; + hlist_for_each_entry_safe(seq, safe, seq_head, ns_list) { + tipc_purge_publications(seq); + } + continue; } kfree(table.types); table.types = NULL; diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 9f72a6376362..3aaf73de9e2d 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -83,8 +83,6 @@ static struct genl_ops tipc_genl_ops[] = { }, }; -static int tipc_genl_family_registered; - int tipc_netlink_start(void) { int res; @@ -94,16 +92,10 @@ int tipc_netlink_start(void) pr_err("Failed to register netlink interface\n"); return res; } - - tipc_genl_family_registered = 1; return 0; } void tipc_netlink_stop(void) { - if (!tipc_genl_family_registered) - return; - genl_unregister_family(&tipc_genl_family); - tipc_genl_family_registered = 0; } diff --git a/net/tipc/ref.c b/net/tipc/ref.c index 2a2a938dc22c..de3d593e2fee 100644 --- a/net/tipc/ref.c +++ b/net/tipc/ref.c @@ -126,9 +126,6 @@ int tipc_ref_table_init(u32 requested_size, u32 start) */ void tipc_ref_table_stop(void) { - if (!tipc_ref_table.entries) - return; - vfree(tipc_ref_table.entries); tipc_ref_table.entries = NULL; } diff --git a/net/tipc/server.c b/net/tipc/server.c index b635ca347a87..646a930eefbf 100644 --- a/net/tipc/server.c +++ b/net/tipc/server.c @@ -87,7 +87,6 @@ static void tipc_clean_outqueues(struct tipc_conn *con); static void tipc_conn_kref_release(struct kref *kref) { struct tipc_conn *con = container_of(kref, struct tipc_conn, kref); - struct tipc_server *s = con->server; if (con->sock) { tipc_sock_release_local(con->sock); @@ -95,10 +94,6 @@ static void tipc_conn_kref_release(struct kref *kref) } tipc_clean_outqueues(con); - - if (con->conid) - s->tipc_conn_shutdown(con->conid, con->usr_data); - kfree(con); } @@ -181,6 +176,9 @@ static void tipc_close_conn(struct tipc_conn *con) struct tipc_server *s = con->server; if (test_and_clear_bit(CF_CONNECTED, &con->flags)) { + if (con->conid) + s->tipc_conn_shutdown(con->conid, con->usr_data); + spin_lock_bh(&s->idr_lock); idr_remove(&s->conn_idr, con->conid); s->idr_in_use--; @@ -429,10 +427,12 @@ int tipc_conn_sendmsg(struct tipc_server *s, int conid, list_add_tail(&e->list, &con->outqueue); spin_unlock_bh(&con->outqueue_lock); - if (test_bit(CF_CONNECTED, &con->flags)) + if (test_bit(CF_CONNECTED, &con->flags)) { if (!queue_work(s->send_wq, &con->swork)) conn_put(con); - + } else { + conn_put(con); + } return 0; } @@ -573,7 +573,6 @@ int tipc_server_start(struct tipc_server *s) kmem_cache_destroy(s->rcvbuf_cache); return ret; } - s->enabled = 1; return ret; } @@ -583,10 +582,6 @@ void tipc_server_stop(struct tipc_server *s) int total = 0; int id; - if (!s->enabled) - return; - - s->enabled = 0; spin_lock_bh(&s->idr_lock); for (id = 0; total < s->idr_in_use; id++) { con = idr_find(&s->conn_idr, id); diff --git a/net/tipc/server.h b/net/tipc/server.h index 98b23f20bc0f..be817b0b547e 100644 --- a/net/tipc/server.h +++ b/net/tipc/server.h @@ -56,7 +56,6 @@ * @name: server name * @imp: message importance * @type: socket type - * @enabled: identify whether server is launched or not */ struct tipc_server { struct idr conn_idr; @@ -74,7 +73,6 @@ struct tipc_server { const char name[TIPC_SERVER_NAME_LEN]; int imp; int type; - int enabled; }; int tipc_conn_sendmsg(struct tipc_server *s, int conid, diff --git a/net/tipc/socket.c b/net/tipc/socket.c index aab4948f0aff..0ed0eaa62f29 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -70,8 +70,6 @@ static const struct proto_ops msg_ops; static struct proto tipc_proto; static struct proto tipc_proto_kern; -static int sockets_enabled; - /* * Revised TIPC socket locking policy: * @@ -999,7 +997,7 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long timeo) for (;;) { prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - if (skb_queue_empty(&sk->sk_receive_queue)) { + if (timeo && skb_queue_empty(&sk->sk_receive_queue)) { if (sock->state == SS_DISCONNECTING) { err = -ENOTCONN; break; @@ -1625,7 +1623,7 @@ static int tipc_wait_for_accept(struct socket *sock, long timeo) for (;;) { prepare_to_wait_exclusive(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - if (skb_queue_empty(&sk->sk_receive_queue)) { + if (timeo && skb_queue_empty(&sk->sk_receive_queue)) { release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); @@ -2027,8 +2025,6 @@ int tipc_socket_init(void) proto_unregister(&tipc_proto); goto out; } - - sockets_enabled = 1; out: return res; } @@ -2038,10 +2034,6 @@ int tipc_socket_init(void) */ void tipc_socket_stop(void) { - if (!sockets_enabled) - return; - - sockets_enabled = 0; sock_unregister(tipc_family_ops.family); proto_unregister(&tipc_proto); } diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 7cb0bd5b1176..11c9ae00837d 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -96,20 +96,16 @@ static void subscr_send_event(struct tipc_subscription *sub, u32 found_lower, { struct tipc_subscriber *subscriber = sub->subscriber; struct kvec msg_sect; - int ret; msg_sect.iov_base = (void *)&sub->evt; msg_sect.iov_len = sizeof(struct tipc_event); - sub->evt.event = htohl(event, sub->swap); sub->evt.found_lower = htohl(found_lower, sub->swap); sub->evt.found_upper = htohl(found_upper, sub->swap); sub->evt.port.ref = htohl(port_ref, sub->swap); sub->evt.port.node = htohl(node, sub->swap); - ret = tipc_conn_sendmsg(&topsrv, subscriber->conid, NULL, - msg_sect.iov_base, msg_sect.iov_len); - if (ret < 0) - pr_err("Sending subscription event failed, no memory\n"); + tipc_conn_sendmsg(&topsrv, subscriber->conid, NULL, msg_sect.iov_base, + msg_sect.iov_len); } /** @@ -153,14 +149,6 @@ static void subscr_timeout(struct tipc_subscription *sub) /* The spin lock per subscriber is used to protect its members */ spin_lock_bh(&subscriber->lock); - /* Validate if the connection related to the subscriber is - * closed (in case subscriber is terminating) - */ - if (subscriber->conid == 0) { - spin_unlock_bh(&subscriber->lock); - return; - } - /* Validate timeout (in case subscription is being cancelled) */ if (sub->timeout == TIPC_WAIT_FOREVER) { spin_unlock_bh(&subscriber->lock); @@ -215,9 +203,6 @@ static void subscr_release(struct tipc_subscriber *subscriber) spin_lock_bh(&subscriber->lock); - /* Invalidate subscriber reference */ - subscriber->conid = 0; - /* Destroy any existing subscriptions for subscriber */ list_for_each_entry_safe(sub, sub_temp, &subscriber->subscription_list, subscription_list) { diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 29fc8bee9702..ce6ec6c2f4de 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -163,9 +163,8 @@ static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb) static inline unsigned int unix_hash_fold(__wsum n) { - unsigned int hash = (__force unsigned int)n; + unsigned int hash = (__force unsigned int)csum_fold(n); - hash ^= hash>>16; hash ^= hash>>8; return hash&(UNIX_HASH_SIZE-1); } diff --git a/net/wireless/core.c b/net/wireless/core.c index 010892b81a06..a3bf18d11609 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -788,8 +788,6 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev, default: break; } - - wdev->beacon_interval = 0; } static int cfg80211_netdev_notifier_call(struct notifier_block *nb, diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 9b897fca7487..f0541370e68e 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1700,7 +1700,7 @@ static void reg_process_hint(struct regulatory_request *reg_request) return; case NL80211_REGDOM_SET_BY_USER: treatment = reg_process_hint_user(reg_request); - if (treatment == REG_REQ_OK || + if (treatment == REG_REQ_IGNORE || treatment == REG_REQ_ALREADY_SET) return; schedule_delayed_work(®_timeout, msecs_to_jiffies(3142)); @@ -2373,6 +2373,7 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd, int set_regdom(const struct ieee80211_regdomain *rd) { struct regulatory_request *lr; + bool user_reset = false; int r; if (!reg_is_valid_request(rd->alpha2)) { @@ -2389,6 +2390,7 @@ int set_regdom(const struct ieee80211_regdomain *rd) break; case NL80211_REGDOM_SET_BY_USER: r = reg_set_rd_user(rd, lr); + user_reset = true; break; case NL80211_REGDOM_SET_BY_DRIVER: r = reg_set_rd_driver(rd, lr); @@ -2402,8 +2404,14 @@ int set_regdom(const struct ieee80211_regdomain *rd) } if (r) { - if (r == -EALREADY) + switch (r) { + case -EALREADY: reg_set_request_processed(); + break; + default: + /* Back to world regulatory in case of errors */ + restore_regulatory_settings(user_reset); + } kfree(rd); return r; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 4b98b25793c5..1d5c7bf29938 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1158,7 +1158,7 @@ static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol, if (hlist_unhashed(&pol->bydst)) return NULL; - hlist_del(&pol->bydst); + hlist_del_init(&pol->bydst); hlist_del(&pol->byidx); list_del(&pol->walk.all); net->xfrm.policy_count[dir]--; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index a26b7aa79475..40f1b3e92e78 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1159,6 +1159,11 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) } x->props.aalgo = orig->props.aalgo; + if (orig->aead) { + x->aead = xfrm_algo_aead_clone(orig->aead); + if (!x->aead) + goto error; + } if (orig->ealg) { x->ealg = xfrm_algo_clone(orig->ealg); if (!x->ealg) @@ -1201,6 +1206,9 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) x->props.flags = orig->props.flags; x->props.extra_flags = orig->props.extra_flags; + x->tfcpad = orig->tfcpad; + x->replay_maxdiff = orig->replay_maxdiff; + x->replay_maxage = orig->replay_maxage; x->curlft.add_time = orig->curlft.add_time; x->km.state = orig->km.state; x->km.seq = orig->km.seq; @@ -1215,11 +1223,12 @@ out: return NULL; } -/* net->xfrm.xfrm_state_lock is held */ struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *net) { unsigned int h; - struct xfrm_state *x; + struct xfrm_state *x = NULL; + + spin_lock_bh(&net->xfrm.xfrm_state_lock); if (m->reqid) { h = xfrm_dst_hash(net, &m->old_daddr, &m->old_saddr, @@ -1236,7 +1245,7 @@ struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *n m->old_family)) continue; xfrm_state_hold(x); - return x; + break; } } else { h = xfrm_src_hash(net, &m->old_daddr, &m->old_saddr, @@ -1251,11 +1260,13 @@ struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *n m->old_family)) continue; xfrm_state_hold(x); - return x; + break; } } - return NULL; + spin_unlock_bh(&net->xfrm.xfrm_state_lock); + + return x; } EXPORT_SYMBOL(xfrm_migrate_state_find); @@ -1451,7 +1462,7 @@ xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n, { int err = 0; struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family); - struct net *net = xs_net(*dst); + struct net *net = xs_net(*src); if (!afinfo) return -EAFNOSUPPORT; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 1ae3ec7c18b0..c274179d60a2 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -32,11 +32,6 @@ #include <linux/in6.h> #endif -static inline int aead_len(struct xfrm_algo_aead *alg) -{ - return sizeof(*alg) + ((alg->alg_key_len + 7) / 8); -} - static int verify_one_alg(struct nlattr **attrs, enum xfrm_attr_type_t type) { struct nlattr *rt = attrs[type]; diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh index ef474098d9f1..17fa901418ae 100644 --- a/scripts/gen_initramfs_list.sh +++ b/scripts/gen_initramfs_list.sh @@ -257,7 +257,7 @@ case "$arg" in && compr="lzop -9 -f" echo "$output_file" | grep -q "\.lz4$" \ && [ -x "`which lz4 2> /dev/null`" ] \ - && compr="lz4 -9 -f" + && compr="lz4 -l -9 -f" echo "$output_file" | grep -q "\.cpio$" && compr="cat" shift ;; diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 40610984a1b5..99a45fdc1bbf 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1502,6 +1502,16 @@ static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) #define R_ARM_JUMP24 29 #endif +#ifndef R_ARM_THM_CALL +#define R_ARM_THM_CALL 10 +#endif +#ifndef R_ARM_THM_JUMP24 +#define R_ARM_THM_JUMP24 30 +#endif +#ifndef R_ARM_THM_JUMP19 +#define R_ARM_THM_JUMP19 51 +#endif + static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) { unsigned int r_typ = ELF_R_TYPE(r->r_info); @@ -1515,6 +1525,9 @@ static int addend_arm_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) case R_ARM_PC24: case R_ARM_CALL: case R_ARM_JUMP24: + case R_ARM_THM_CALL: + case R_ARM_THM_JUMP24: + case R_ARM_THM_JUMP19: /* From ARM ABI: ((S + A) | T) - P */ r->r_addend = (int)(long)(elf->hdr + sechdr->sh_offset + diff --git a/security/keys/keyring.c b/security/keys/keyring.c index d46cbc5e335e..2fb2576dc644 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -1000,7 +1000,11 @@ static int keyring_detect_cycle_iterator(const void *object, kenter("{%d}", key->serial); - BUG_ON(key != ctx->match_data); + /* We might get a keyring with matching index-key that is nonetheless a + * different keyring. */ + if (key != ctx->match_data) + return 0; + ctx->result = ERR_PTR(-EDEADLK); return 1; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index c0f498842129..9c5cdc2caaef 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -3338,10 +3338,10 @@ static int filename_write_helper(void *key, void *data, void *ptr) if (rc) return rc; - buf[0] = ft->stype; - buf[1] = ft->ttype; - buf[2] = ft->tclass; - buf[3] = otype->otype; + buf[0] = cpu_to_le32(ft->stype); + buf[1] = cpu_to_le32(ft->ttype); + buf[2] = cpu_to_le32(ft->tclass); + buf[3] = cpu_to_le32(otype->otype); rc = put_entry(buf, sizeof(u32), 4, fp); if (rc) diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index df3652ad15ef..8ed0bcc01386 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -1026,6 +1026,9 @@ static void ad1884_fixup_thinkpad(struct hda_codec *codec, spec->gen.keep_eapd_on = 1; spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook; spec->eapd_nid = 0x12; + /* Analog PC Beeper - allow firmware/ACPI beeps */ + spec->beep_amp = HDA_COMPOSE_AMP_VAL(0x20, 3, 3, HDA_INPUT); + spec->gen.beep_nid = 0; /* no digital beep */ } } @@ -1092,6 +1095,7 @@ static int patch_ad1884(struct hda_codec *codec) spec = codec->spec; spec->gen.mixer_nid = 0x20; + spec->gen.mixer_merge_nid = 0x21; spec->gen.beep_nid = 0x10; set_beep_amp(spec, 0x10, 0, HDA_OUTPUT); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 6eb903cc6237..8d0a84436674 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3616,6 +3616,19 @@ static void alc_fixup_auto_mute_via_amp(struct hda_codec *codec, } } +static void alc_no_shutup(struct hda_codec *codec) +{ +} + +static void alc_fixup_no_shutup(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + struct alc_spec *spec = codec->spec; + spec->shutup = alc_no_shutup; + } +} + static void alc_fixup_headset_mode_alc668(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -3844,6 +3857,7 @@ enum { ALC269_FIXUP_HP_GPIO_LED, ALC269_FIXUP_INV_DMIC, ALC269_FIXUP_LENOVO_DOCK, + ALC269_FIXUP_NO_SHUTUP, ALC286_FIXUP_SONY_MIC_NO_PRESENCE, ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT, ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, @@ -4020,6 +4034,10 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_inv_dmic_0x12, }, + [ALC269_FIXUP_NO_SHUTUP] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_no_shutup, + }, [ALC269_FIXUP_LENOVO_DOCK] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -4253,6 +4271,7 @@ static const struct hda_fixup alc269_fixups[] = { }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { + SND_PCI_QUIRK(0x1025, 0x0283, "Acer TravelMate 8371", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x047c, "Acer AC700", ALC269_FIXUP_ACER_AC700), @@ -4319,6 +4338,54 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x1973, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x1983, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x218b, "HP", ALC269_FIXUP_LIMIT_INT_MIC_BOOST_MUTE_LED), + /* ALC282 */ + SND_PCI_QUIRK(0x103c, 0x220f, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2213, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2266, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2267, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2268, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2269, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x226a, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x226b, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x227a, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x227b, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x229e, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22a0, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22b2, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22b7, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22bf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c0, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c1, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c2, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22cd, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22ce, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22cf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22d0, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + /* ALC290 */ + SND_PCI_QUIRK(0x103c, 0x2260, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2261, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2262, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2263, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2264, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2265, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x227d, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x227e, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x227f, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2280, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2281, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2282, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x2289, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x228a, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x228b, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x228c, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x228d, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x228e, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c5, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c6, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c7, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c8, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c3, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22c4, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK_VENDOR(0x103c, "HP", ALC269_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300), SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -4356,6 +4423,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), + SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP), SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x5026, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5115,7 +5183,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0625, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0626, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0628, "Dell", ALC668_FIXUP_AUTO_MUTE), - SND_PCI_QUIRK(0x1028, 0x064e, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x064e, "Dell", ALC668_FIXUP_AUTO_MUTE), SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800), SND_PCI_QUIRK(0x1043, 0x11cd, "Asus N550", ALC662_FIXUP_BASS_1A_CHMAP), SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_BASS_CHMAP), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index a2f11bf8155c..3bc29c9b2529 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -98,6 +98,7 @@ enum { STAC_92HD83XXX_HP_LED, STAC_92HD83XXX_HP_INV_LED, STAC_92HD83XXX_HP_MIC_LED, + STAC_HP_LED_GPIO10, STAC_92HD83XXX_HEADSET_JACK, STAC_92HD83XXX_HP, STAC_HP_ENVY_BASS, @@ -2130,6 +2131,17 @@ static void stac92hd83xxx_fixup_hp_mic_led(struct hda_codec *codec, } } +static void stac92hd83xxx_fixup_hp_led_gpio10(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct sigmatel_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gpio_led = 0x10; /* GPIO4 */ + spec->default_polarity = 0; + } +} + static void stac92hd83xxx_fixup_headset_jack(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -2624,6 +2636,12 @@ static const struct hda_fixup stac92hd83xxx_fixups[] = { .chained = true, .chain_id = STAC_92HD83XXX_HP, }, + [STAC_HP_LED_GPIO10] = { + .type = HDA_FIXUP_FUNC, + .v.func = stac92hd83xxx_fixup_hp_led_gpio10, + .chained = true, + .chain_id = STAC_92HD83XXX_HP, + }, [STAC_92HD83XXX_HEADSET_JACK] = { .type = HDA_FIXUP_FUNC, .v.func = stac92hd83xxx_fixup_headset_jack, @@ -2702,6 +2720,8 @@ static const struct snd_pci_quirk stac92hd83xxx_fixup_tbl[] = { "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1888, "HP Envy Spectre", STAC_HP_ENVY_BASS), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1899, + "HP Folio 13", STAC_HP_LED_GPIO10), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x18df, "HP Folio", STAC_HP_BNB13_EQ), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x18F8, diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c index 75d0ad5d2dcb..647a72cda005 100644 --- a/sound/soc/codecs/88pm860x-codec.c +++ b/sound/soc/codecs/88pm860x-codec.c @@ -1328,6 +1328,9 @@ static int pm860x_probe(struct snd_soc_codec *codec) pm860x->codec = codec; codec->control_data = pm860x->regmap; + ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); + if (ret) + return ret; for (i = 0; i < 4; i++) { ret = request_threaded_irq(pm860x->irq[i], NULL, diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c index 7257a8885f42..34d965a4a040 100644 --- a/sound/soc/codecs/ad1980.c +++ b/sound/soc/codecs/ad1980.c @@ -57,8 +57,8 @@ static const u16 ad1980_reg[] = { static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", "Stereo Mix", "Mono Mix", "Phone"}; -static const struct soc_enum ad1980_cap_src = - SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel); +static SOC_ENUM_DOUBLE_DECL(ad1980_cap_src, + AC97_REC_SEL, 8, 0, ad1980_rec_sel); static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), diff --git a/sound/soc/codecs/da732x.c b/sound/soc/codecs/da732x.c index f295b6569910..f4d965ebc29e 100644 --- a/sound/soc/codecs/da732x.c +++ b/sound/soc/codecs/da732x.c @@ -1268,11 +1268,23 @@ static struct snd_soc_dai_driver da732x_dai[] = { }, }; +static bool da732x_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case DA732X_REG_HPL_DAC_OFF_CNTL: + case DA732X_REG_HPR_DAC_OFF_CNTL: + return true; + default: + return false; + } +} + static const struct regmap_config da732x_regmap = { .reg_bits = 8, .val_bits = 8, .max_register = DA732X_MAX_REG, + .volatile_reg = da732x_volatile, .reg_defaults = da732x_reg_cache, .num_reg_defaults = ARRAY_SIZE(da732x_reg_cache), .cache_type = REGCACHE_RBTREE, diff --git a/sound/soc/codecs/isabelle.c b/sound/soc/codecs/isabelle.c index 5839048ec467..cb736ddc446d 100644 --- a/sound/soc/codecs/isabelle.c +++ b/sound/soc/codecs/isabelle.c @@ -140,13 +140,17 @@ static const char *isabelle_rx1_texts[] = {"VRX1", "ARX1"}; static const char *isabelle_rx2_texts[] = {"VRX2", "ARX2"}; static const struct soc_enum isabelle_rx1_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 3, 1, isabelle_rx1_texts), - SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 5, 1, isabelle_rx1_texts), + SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 3, + ARRAY_SIZE(isabelle_rx1_texts), isabelle_rx1_texts), + SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 5, + ARRAY_SIZE(isabelle_rx1_texts), isabelle_rx1_texts), }; static const struct soc_enum isabelle_rx2_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 2, 1, isabelle_rx2_texts), - SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 4, 1, isabelle_rx2_texts), + SOC_ENUM_SINGLE(ISABELLE_VOICE_HPF_CFG_REG, 2, + ARRAY_SIZE(isabelle_rx2_texts), isabelle_rx2_texts), + SOC_ENUM_SINGLE(ISABELLE_AUDIO_HPF_CFG_REG, 4, + ARRAY_SIZE(isabelle_rx2_texts), isabelle_rx2_texts), }; /* Headset DAC playback switches */ @@ -161,13 +165,17 @@ static const char *isabelle_atx_texts[] = {"AMIC1", "DMIC"}; static const char *isabelle_vtx_texts[] = {"AMIC2", "DMIC"}; static const struct soc_enum isabelle_atx_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 7, 1, isabelle_atx_texts), - SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, 1, isabelle_atx_texts), + SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 7, + ARRAY_SIZE(isabelle_atx_texts), isabelle_atx_texts), + SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, + ARRAY_SIZE(isabelle_atx_texts), isabelle_atx_texts), }; static const struct soc_enum isabelle_vtx_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 6, 1, isabelle_vtx_texts), - SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, 1, isabelle_vtx_texts), + SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 6, + ARRAY_SIZE(isabelle_vtx_texts), isabelle_vtx_texts), + SOC_ENUM_SINGLE(ISABELLE_DMIC_CFG_REG, 0, + ARRAY_SIZE(isabelle_vtx_texts), isabelle_vtx_texts), }; static const struct snd_kcontrol_new atx_mux_controls = @@ -183,17 +191,13 @@ static const char *isabelle_amic1_texts[] = { /* Left analog microphone selection */ static const char *isabelle_amic2_texts[] = {"Sub Mic", "Aux/FM Right"}; -static const struct soc_enum isabelle_amic1_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 5, - ARRAY_SIZE(isabelle_amic1_texts), - isabelle_amic1_texts), -}; +static SOC_ENUM_SINGLE_DECL(isabelle_amic1_enum, + ISABELLE_AMIC_CFG_REG, 5, + isabelle_amic1_texts); -static const struct soc_enum isabelle_amic2_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_AMIC_CFG_REG, 4, - ARRAY_SIZE(isabelle_amic2_texts), - isabelle_amic2_texts), -}; +static SOC_ENUM_SINGLE_DECL(isabelle_amic2_enum, + ISABELLE_AMIC_CFG_REG, 4, + isabelle_amic2_texts); static const struct snd_kcontrol_new amic1_control = SOC_DAPM_ENUM("Route", isabelle_amic1_enum); @@ -206,16 +210,20 @@ static const char *isabelle_st_audio_texts[] = {"ATX1", "ATX2"}; static const char *isabelle_st_voice_texts[] = {"VTX1", "VTX2"}; static const struct soc_enum isabelle_st_audio_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA1_CFG_REG, 7, 1, + SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA1_CFG_REG, 7, + ARRAY_SIZE(isabelle_st_audio_texts), isabelle_st_audio_texts), - SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA2_CFG_REG, 7, 1, + SOC_ENUM_SINGLE(ISABELLE_ATX_STPGA2_CFG_REG, 7, + ARRAY_SIZE(isabelle_st_audio_texts), isabelle_st_audio_texts), }; static const struct soc_enum isabelle_st_voice_enum[] = { - SOC_ENUM_SINGLE(ISABELLE_VTX_STPGA1_CFG_REG, 7, 1, + SOC_ENUM_SINGLE(ISABELLE_VTX_STPGA1_CFG_REG, 7, + ARRAY_SIZE(isabelle_st_voice_texts), isabelle_st_voice_texts), - SOC_ENUM_SINGLE(ISABELLE_VTX2_STPGA2_CFG_REG, 7, 1, + SOC_ENUM_SINGLE(ISABELLE_VTX2_STPGA2_CFG_REG, 7, + ARRAY_SIZE(isabelle_st_voice_texts), isabelle_st_voice_texts), }; diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c index 52e7cb08434b..fa2b8e07f420 100644 --- a/sound/soc/codecs/si476x.c +++ b/sound/soc/codecs/si476x.c @@ -210,7 +210,7 @@ out: static int si476x_codec_probe(struct snd_soc_codec *codec) { codec->control_data = dev_get_regmap(codec->dev->parent, NULL); - return 0; + return snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); } static struct snd_soc_dai_ops si476x_dai_ops = { diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c index 06edb396e733..2735361a4c3c 100644 --- a/sound/soc/codecs/sta32x.c +++ b/sound/soc/codecs/sta32x.c @@ -187,42 +187,42 @@ static const unsigned int sta32x_limiter_drc_release_tlv[] = { 13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0), }; -static const struct soc_enum sta32x_drc_ac_enum = - SOC_ENUM_SINGLE(STA32X_CONFD, STA32X_CONFD_DRC_SHIFT, - 2, sta32x_drc_ac); -static const struct soc_enum sta32x_auto_eq_enum = - SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT, - 3, sta32x_auto_eq_mode); -static const struct soc_enum sta32x_auto_gc_enum = - SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT, - 4, sta32x_auto_gc_mode); -static const struct soc_enum sta32x_auto_xo_enum = - SOC_ENUM_SINGLE(STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT, - 16, sta32x_auto_xo_mode); -static const struct soc_enum sta32x_preset_eq_enum = - SOC_ENUM_SINGLE(STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT, - 32, sta32x_preset_eq_mode); -static const struct soc_enum sta32x_limiter_ch1_enum = - SOC_ENUM_SINGLE(STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter_ch2_enum = - SOC_ENUM_SINGLE(STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter_ch3_enum = - SOC_ENUM_SINGLE(STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT, - 3, sta32x_limiter_select); -static const struct soc_enum sta32x_limiter1_attack_rate_enum = - SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxA_SHIFT, - 16, sta32x_limiter_attack_rate); -static const struct soc_enum sta32x_limiter2_attack_rate_enum = - SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxA_SHIFT, - 16, sta32x_limiter_attack_rate); -static const struct soc_enum sta32x_limiter1_release_rate_enum = - SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxR_SHIFT, - 16, sta32x_limiter_release_rate); -static const struct soc_enum sta32x_limiter2_release_rate_enum = - SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxR_SHIFT, - 16, sta32x_limiter_release_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_drc_ac_enum, + STA32X_CONFD, STA32X_CONFD_DRC_SHIFT, + sta32x_drc_ac); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_eq_enum, + STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT, + sta32x_auto_eq_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_gc_enum, + STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT, + sta32x_auto_gc_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_auto_xo_enum, + STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT, + sta32x_auto_xo_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_preset_eq_enum, + STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT, + sta32x_preset_eq_mode); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch1_enum, + STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch2_enum, + STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch3_enum, + STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT, + sta32x_limiter_select); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_attack_rate_enum, + STA32X_L1AR, STA32X_LxA_SHIFT, + sta32x_limiter_attack_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_attack_rate_enum, + STA32X_L2AR, STA32X_LxA_SHIFT, + sta32x_limiter_attack_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_release_rate_enum, + STA32X_L1AR, STA32X_LxR_SHIFT, + sta32x_limiter_release_rate); +static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum, + STA32X_L2AR, STA32X_LxR_SHIFT, + sta32x_limiter_release_rate); /* byte array controls for setting biquad, mixer, scaling coefficients; * for biquads all five coefficients need to be set in one go, @@ -331,7 +331,7 @@ static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec) static int sta32x_cache_sync(struct snd_soc_codec *codec) { - struct sta32x_priv *sta32x = codec->control_data; + struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec); unsigned int mute; int rc; @@ -434,7 +434,7 @@ SOC_SINGLE_TLV("Treble Tone Control", STA32X_TONE, STA32X_TONE_TTC_SHIFT, 15, 0, SOC_ENUM("Limiter1 Attack Rate (dB/ms)", sta32x_limiter1_attack_rate_enum), SOC_ENUM("Limiter2 Attack Rate (dB/ms)", sta32x_limiter2_attack_rate_enum), SOC_ENUM("Limiter1 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum), -SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum), +SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter2_release_rate_enum), /* depending on mode, the attack/release thresholds have * two different enum definitions; provide both diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c index 48dc7d2fee36..6d684d934f4d 100644 --- a/sound/soc/codecs/wm8400.c +++ b/sound/soc/codecs/wm8400.c @@ -117,19 +117,23 @@ static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, static const char *wm8400_digital_sidetone[] = {"None", "Left ADC", "Right ADC", "Reserved"}; -static const struct soc_enum wm8400_left_digital_sidetone_enum = -SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, - WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone); +static SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum, + WM8400_DIGITAL_SIDE_TONE, + WM8400_ADC_TO_DACL_SHIFT, + wm8400_digital_sidetone); -static const struct soc_enum wm8400_right_digital_sidetone_enum = -SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, - WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone); +static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum, + WM8400_DIGITAL_SIDE_TONE, + WM8400_ADC_TO_DACR_SHIFT, + wm8400_digital_sidetone); static const char *wm8400_adcmode[] = {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; -static const struct soc_enum wm8400_right_adcmode_enum = -SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode); +static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum, + WM8400_ADC_CTRL, + WM8400_ADC_HPF_CUT_SHIFT, + wm8400_adcmode); static const struct snd_kcontrol_new wm8400_snd_controls[] = { /* INMIXL */ @@ -422,9 +426,10 @@ SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, static const char *wm8400_ainlmux[] = {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; -static const struct soc_enum wm8400_ainlmux_enum = -SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT, - ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux); +static SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum, + WM8400_INPUT_MIXER1, + WM8400_AINLMODE_SHIFT, + wm8400_ainlmux); static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls = SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum); @@ -435,9 +440,10 @@ SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum); static const char *wm8400_ainrmux[] = {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; -static const struct soc_enum wm8400_ainrmux_enum = -SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT, - ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux); +static SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum, + WM8400_INPUT_MIXER1, + WM8400_AINRMODE_SHIFT, + wm8400_ainrmux); static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls = SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum); diff --git a/sound/soc/codecs/wm8770.c b/sound/soc/codecs/wm8770.c index 89a18d82f303..5bce21013485 100644 --- a/sound/soc/codecs/wm8770.c +++ b/sound/soc/codecs/wm8770.c @@ -196,8 +196,8 @@ static const char *ain_text[] = { "AIN5", "AIN6", "AIN7", "AIN8" }; -static const struct soc_enum ain_enum = - SOC_ENUM_DOUBLE(WM8770_ADCMUX, 0, 4, 8, ain_text); +static SOC_ENUM_DOUBLE_DECL(ain_enum, + WM8770_ADCMUX, 0, 4, ain_text); static const struct snd_kcontrol_new ain_mux = SOC_DAPM_ENUM("Capture Mux", ain_enum); diff --git a/sound/soc/codecs/wm8900.c b/sound/soc/codecs/wm8900.c index e98bc7038a08..43c2201cb901 100644 --- a/sound/soc/codecs/wm8900.c +++ b/sound/soc/codecs/wm8900.c @@ -304,53 +304,53 @@ static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1); static const char *mic_bias_level_txt[] = { "0.9*AVDD", "0.65*AVDD" }; -static const struct soc_enum mic_bias_level = -SOC_ENUM_SINGLE(WM8900_REG_INCTL, 8, 2, mic_bias_level_txt); +static SOC_ENUM_SINGLE_DECL(mic_bias_level, + WM8900_REG_INCTL, 8, mic_bias_level_txt); static const char *dac_mute_rate_txt[] = { "Fast", "Slow" }; -static const struct soc_enum dac_mute_rate = -SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 7, 2, dac_mute_rate_txt); +static SOC_ENUM_SINGLE_DECL(dac_mute_rate, + WM8900_REG_DACCTRL, 7, dac_mute_rate_txt); static const char *dac_deemphasis_txt[] = { "Disabled", "32kHz", "44.1kHz", "48kHz" }; -static const struct soc_enum dac_deemphasis = -SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 4, 4, dac_deemphasis_txt); +static SOC_ENUM_SINGLE_DECL(dac_deemphasis, + WM8900_REG_DACCTRL, 4, dac_deemphasis_txt); static const char *adc_hpf_cut_txt[] = { "Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3" }; -static const struct soc_enum adc_hpf_cut = -SOC_ENUM_SINGLE(WM8900_REG_ADCCTRL, 5, 4, adc_hpf_cut_txt); +static SOC_ENUM_SINGLE_DECL(adc_hpf_cut, + WM8900_REG_ADCCTRL, 5, adc_hpf_cut_txt); static const char *lr_txt[] = { "Left", "Right" }; -static const struct soc_enum aifl_src = -SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 15, 2, lr_txt); +static SOC_ENUM_SINGLE_DECL(aifl_src, + WM8900_REG_AUDIO1, 15, lr_txt); -static const struct soc_enum aifr_src = -SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 14, 2, lr_txt); +static SOC_ENUM_SINGLE_DECL(aifr_src, + WM8900_REG_AUDIO1, 14, lr_txt); -static const struct soc_enum dacl_src = -SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 15, 2, lr_txt); +static SOC_ENUM_SINGLE_DECL(dacl_src, + WM8900_REG_AUDIO2, 15, lr_txt); -static const struct soc_enum dacr_src = -SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 14, 2, lr_txt); +static SOC_ENUM_SINGLE_DECL(dacr_src, + WM8900_REG_AUDIO2, 14, lr_txt); static const char *sidetone_txt[] = { "Disabled", "Left ADC", "Right ADC" }; -static const struct soc_enum dacl_sidetone = -SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 2, 3, sidetone_txt); +static SOC_ENUM_SINGLE_DECL(dacl_sidetone, + WM8900_REG_SIDETONE, 2, sidetone_txt); -static const struct soc_enum dacr_sidetone = -SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 0, 3, sidetone_txt); +static SOC_ENUM_SINGLE_DECL(dacr_sidetone, + WM8900_REG_SIDETONE, 0, sidetone_txt); static const struct snd_kcontrol_new wm8900_snd_controls[] = { SOC_ENUM("Mic Bias Level", mic_bias_level), @@ -496,8 +496,8 @@ SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INCTL, 0, 1, 0), static const char *wm8900_lp_mux[] = { "Disabled", "Enabled" }; -static const struct soc_enum wm8900_lineout2_lp_mux = -SOC_ENUM_SINGLE(WM8900_REG_LOUTMIXCTL1, 1, 2, wm8900_lp_mux); +static SOC_ENUM_SINGLE_DECL(wm8900_lineout2_lp_mux, + WM8900_REG_LOUTMIXCTL1, 1, wm8900_lp_mux); static const struct snd_kcontrol_new wm8900_lineout2_lp = SOC_DAPM_ENUM("Route", wm8900_lineout2_lp_mux); diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index b7488f190d2b..d4248e00160e 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -153,7 +153,7 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name, data32 &= 0xffffff; - wm8994_bulk_write(codec->control_data, + wm8994_bulk_write(wm8994->wm8994, data32 & 0xffffff, block_len / 2, (void *)(data + 8)); diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index b9be9cbc4603..adb72063d44e 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -265,21 +265,21 @@ static const char *sidetone_hpf_text[] = { "2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz" }; -static const struct soc_enum sidetone_hpf = - SOC_ENUM_SINGLE(WM8994_SIDETONE, 7, 7, sidetone_hpf_text); +static SOC_ENUM_SINGLE_DECL(sidetone_hpf, + WM8994_SIDETONE, 7, sidetone_hpf_text); static const char *adc_hpf_text[] = { "HiFi", "Voice 1", "Voice 2", "Voice 3" }; -static const struct soc_enum aif1adc1_hpf = - SOC_ENUM_SINGLE(WM8994_AIF1_ADC1_FILTERS, 13, 4, adc_hpf_text); +static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf, + WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text); -static const struct soc_enum aif1adc2_hpf = - SOC_ENUM_SINGLE(WM8994_AIF1_ADC2_FILTERS, 13, 4, adc_hpf_text); +static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf, + WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text); -static const struct soc_enum aif2adc_hpf = - SOC_ENUM_SINGLE(WM8994_AIF2_ADC_FILTERS, 13, 4, adc_hpf_text); +static SOC_ENUM_SINGLE_DECL(aif2adc_hpf, + WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text); static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); @@ -501,39 +501,39 @@ static const char *aif_chan_src_text[] = { "Left", "Right" }; -static const struct soc_enum aif1adcl_src = - SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 15, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif1adcl_src, + WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text); -static const struct soc_enum aif1adcr_src = - SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 14, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif1adcr_src, + WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text); -static const struct soc_enum aif2adcl_src = - SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 15, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif2adcl_src, + WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text); -static const struct soc_enum aif2adcr_src = - SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 14, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif2adcr_src, + WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text); -static const struct soc_enum aif1dacl_src = - SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 15, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif1dacl_src, + WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text); -static const struct soc_enum aif1dacr_src = - SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 14, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif1dacr_src, + WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text); -static const struct soc_enum aif2dacl_src = - SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 15, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif2dacl_src, + WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text); -static const struct soc_enum aif2dacr_src = - SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 14, 2, aif_chan_src_text); +static SOC_ENUM_SINGLE_DECL(aif2dacr_src, + WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text); static const char *osr_text[] = { "Low Power", "High Performance", }; -static const struct soc_enum dac_osr = - SOC_ENUM_SINGLE(WM8994_OVERSAMPLING, 0, 2, osr_text); +static SOC_ENUM_SINGLE_DECL(dac_osr, + WM8994_OVERSAMPLING, 0, osr_text); -static const struct soc_enum adc_osr = - SOC_ENUM_SINGLE(WM8994_OVERSAMPLING, 1, 2, osr_text); +static SOC_ENUM_SINGLE_DECL(adc_osr, + WM8994_OVERSAMPLING, 1, osr_text); static const struct snd_kcontrol_new wm8994_snd_controls[] = { SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME, @@ -690,17 +690,20 @@ static const char *wm8958_ng_text[] = { "30ms", "125ms", "250ms", "500ms", }; -static const struct soc_enum wm8958_aif1dac1_ng_hold = - SOC_ENUM_SINGLE(WM8958_AIF1_DAC1_NOISE_GATE, - WM8958_AIF1DAC1_NG_THR_SHIFT, 4, wm8958_ng_text); +static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold, + WM8958_AIF1_DAC1_NOISE_GATE, + WM8958_AIF1DAC1_NG_THR_SHIFT, + wm8958_ng_text); -static const struct soc_enum wm8958_aif1dac2_ng_hold = - SOC_ENUM_SINGLE(WM8958_AIF1_DAC2_NOISE_GATE, - WM8958_AIF1DAC2_NG_THR_SHIFT, 4, wm8958_ng_text); +static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold, + WM8958_AIF1_DAC2_NOISE_GATE, + WM8958_AIF1DAC2_NG_THR_SHIFT, + wm8958_ng_text); -static const struct soc_enum wm8958_aif2dac_ng_hold = - SOC_ENUM_SINGLE(WM8958_AIF2_DAC_NOISE_GATE, - WM8958_AIF2DAC_NG_THR_SHIFT, 4, wm8958_ng_text); +static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold, + WM8958_AIF2_DAC_NOISE_GATE, + WM8958_AIF2DAC_NG_THR_SHIFT, + wm8958_ng_text); static const struct snd_kcontrol_new wm8958_snd_controls[] = { SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv), @@ -1341,8 +1344,8 @@ static const char *adc_mux_text[] = { "DMIC", }; -static const struct soc_enum adc_enum = - SOC_ENUM_SINGLE(0, 0, 2, adc_mux_text); +static SOC_ENUM_SINGLE_DECL(adc_enum, + 0, 0, adc_mux_text); static const struct snd_kcontrol_new adcl_mux = SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum); @@ -1478,14 +1481,14 @@ static const char *sidetone_text[] = { "ADC/DMIC1", "DMIC2", }; -static const struct soc_enum sidetone1_enum = - SOC_ENUM_SINGLE(WM8994_SIDETONE, 0, 2, sidetone_text); +static SOC_ENUM_SINGLE_DECL(sidetone1_enum, + WM8994_SIDETONE, 0, sidetone_text); static const struct snd_kcontrol_new sidetone1_mux = SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum); -static const struct soc_enum sidetone2_enum = - SOC_ENUM_SINGLE(WM8994_SIDETONE, 1, 2, sidetone_text); +static SOC_ENUM_SINGLE_DECL(sidetone2_enum, + WM8994_SIDETONE, 1, sidetone_text); static const struct snd_kcontrol_new sidetone2_mux = SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum); @@ -1498,22 +1501,24 @@ static const char *loopback_text[] = { "None", "ADCDAT", }; -static const struct soc_enum aif1_loopback_enum = - SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, WM8994_AIF1_LOOPBACK_SHIFT, 2, - loopback_text); +static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum, + WM8994_AIF1_CONTROL_2, + WM8994_AIF1_LOOPBACK_SHIFT, + loopback_text); static const struct snd_kcontrol_new aif1_loopback = SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum); -static const struct soc_enum aif2_loopback_enum = - SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, WM8994_AIF2_LOOPBACK_SHIFT, 2, - loopback_text); +static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum, + WM8994_AIF2_CONTROL_2, + WM8994_AIF2_LOOPBACK_SHIFT, + loopback_text); static const struct snd_kcontrol_new aif2_loopback = SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum); -static const struct soc_enum aif1dac_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 0, 2, aif1dac_text); +static SOC_ENUM_SINGLE_DECL(aif1dac_enum, + WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text); static const struct snd_kcontrol_new aif1dac_mux = SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum); @@ -1522,8 +1527,8 @@ static const char *aif2dac_text[] = { "AIF2DACDAT", "AIF3DACDAT", }; -static const struct soc_enum aif2dac_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 1, 2, aif2dac_text); +static SOC_ENUM_SINGLE_DECL(aif2dac_enum, + WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text); static const struct snd_kcontrol_new aif2dac_mux = SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum); @@ -1532,8 +1537,8 @@ static const char *aif2adc_text[] = { "AIF2ADCDAT", "AIF3DACDAT", }; -static const struct soc_enum aif2adc_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 2, 2, aif2adc_text); +static SOC_ENUM_SINGLE_DECL(aif2adc_enum, + WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text); static const struct snd_kcontrol_new aif2adc_mux = SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum); @@ -1542,14 +1547,14 @@ static const char *aif3adc_text[] = { "AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM", }; -static const struct soc_enum wm8994_aif3adc_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 3, 3, aif3adc_text); +static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum, + WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text); static const struct snd_kcontrol_new wm8994_aif3adc_mux = SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum); -static const struct soc_enum wm8958_aif3adc_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 3, 4, aif3adc_text); +static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum, + WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text); static const struct snd_kcontrol_new wm8958_aif3adc_mux = SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum); @@ -1558,8 +1563,8 @@ static const char *mono_pcm_out_text[] = { "None", "AIF2ADCL", "AIF2ADCR", }; -static const struct soc_enum mono_pcm_out_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 9, 3, mono_pcm_out_text); +static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum, + WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text); static const struct snd_kcontrol_new mono_pcm_out_mux = SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum); @@ -1569,14 +1574,14 @@ static const char *aif2dac_src_text[] = { }; /* Note that these two control shouldn't be simultaneously switched to AIF3 */ -static const struct soc_enum aif2dacl_src_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 7, 2, aif2dac_src_text); +static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum, + WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text); static const struct snd_kcontrol_new aif2dacl_src_mux = SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum); -static const struct soc_enum aif2dacr_src_enum = - SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 8, 2, aif2dac_src_text); +static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum, + WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text); static const struct snd_kcontrol_new aif2dacr_src_mux = SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum); diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c index 3fde9e402710..d163e18d85d4 100644 --- a/sound/soc/omap/n810.c +++ b/sound/soc/omap/n810.c @@ -305,7 +305,9 @@ static int __init n810_soc_init(void) int err; struct device *dev; - if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) + if (!of_have_populated_dt() || + (!of_machine_is_compatible("nokia,n810") && + !of_machine_is_compatible("nokia,n810-wimax"))) return -ENODEV; n810_snd_device = platform_device_alloc("soc-audio", -1); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index dc8ff13187f7..b9dc6acbba8c 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1218,7 +1218,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w, ret = regulator_allow_bypass(w->regulator, false); if (ret != 0) dev_warn(w->dapm->dev, - "ASoC: Failed to bypass %s: %d\n", + "ASoC: Failed to unbypass %s: %d\n", w->name, ret); } @@ -1228,7 +1228,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w, ret = regulator_allow_bypass(w->regulator, true); if (ret != 0) dev_warn(w->dapm->dev, - "ASoC: Failed to unbypass %s: %d\n", + "ASoC: Failed to bypass %s: %d\n", w->name, ret); } @@ -3210,15 +3210,11 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); const char *pin = (const char *)kcontrol->private_value; - mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); - if (ucontrol->value.integer.value[0]) snd_soc_dapm_enable_pin(&card->dapm, pin); else snd_soc_dapm_disable_pin(&card->dapm, pin); - mutex_unlock(&card->dapm_mutex); - snd_soc_dapm_sync(&card->dapm); return 0; } @@ -3248,7 +3244,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, ret = regulator_allow_bypass(w->regulator, true); if (ret != 0) dev_warn(w->dapm->dev, - "ASoC: Failed to unbypass %s: %d\n", + "ASoC: Failed to bypass %s: %d\n", w->name, ret); } break; @@ -3767,23 +3763,52 @@ void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, } /** + * snd_soc_dapm_enable_pin_unlocked - enable pin. + * @dapm: DAPM context + * @pin: pin name + * + * Enables input/output pin and its parents or children widgets iff there is + * a valid audio route and active audio stream. + * + * Requires external locking. + * + * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to + * do any widget power switching. + */ +int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin) +{ + return snd_soc_dapm_set_pin(dapm, pin, 1); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin_unlocked); + +/** * snd_soc_dapm_enable_pin - enable pin. * @dapm: DAPM context * @pin: pin name * * Enables input/output pin and its parents or children widgets iff there is * a valid audio route and active audio stream. + * * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to * do any widget power switching. */ int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin) { - return snd_soc_dapm_set_pin(dapm, pin, 1); + int ret; + + mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + + ret = snd_soc_dapm_set_pin(dapm, pin, 1); + + mutex_unlock(&dapm->card->dapm_mutex); + + return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin); /** - * snd_soc_dapm_force_enable_pin - force a pin to be enabled + * snd_soc_dapm_force_enable_pin_unlocked - force a pin to be enabled * @dapm: DAPM context * @pin: pin name * @@ -3791,11 +3816,13 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin); * intended for use with microphone bias supplies used in microphone * jack detection. * + * Requires external locking. + * * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to * do any widget power switching. */ -int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, - const char *pin) +int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin) { struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); @@ -3811,25 +3838,103 @@ int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, return 0; } +EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin_unlocked); + +/** + * snd_soc_dapm_force_enable_pin - force a pin to be enabled + * @dapm: DAPM context + * @pin: pin name + * + * Enables input/output pin regardless of any other state. This is + * intended for use with microphone bias supplies used in microphone + * jack detection. + * + * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to + * do any widget power switching. + */ +int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, + const char *pin) +{ + int ret; + + mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + + ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, pin); + + mutex_unlock(&dapm->card->dapm_mutex); + + return ret; +} EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin); /** + * snd_soc_dapm_disable_pin_unlocked - disable pin. + * @dapm: DAPM context + * @pin: pin name + * + * Disables input/output pin and its parents or children widgets. + * + * Requires external locking. + * + * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to + * do any widget power switching. + */ +int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin) +{ + return snd_soc_dapm_set_pin(dapm, pin, 0); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin_unlocked); + +/** * snd_soc_dapm_disable_pin - disable pin. * @dapm: DAPM context * @pin: pin name * * Disables input/output pin and its parents or children widgets. + * * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to * do any widget power switching. */ int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, const char *pin) { - return snd_soc_dapm_set_pin(dapm, pin, 0); + int ret; + + mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + + ret = snd_soc_dapm_set_pin(dapm, pin, 0); + + mutex_unlock(&dapm->card->dapm_mutex); + + return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin); /** + * snd_soc_dapm_nc_pin_unlocked - permanently disable pin. + * @dapm: DAPM context + * @pin: pin name + * + * Marks the specified pin as being not connected, disabling it along + * any parent or child widgets. At present this is identical to + * snd_soc_dapm_disable_pin() but in future it will be extended to do + * additional things such as disabling controls which only affect + * paths through the pin. + * + * Requires external locking. + * + * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to + * do any widget power switching. + */ +int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, + const char *pin) +{ + return snd_soc_dapm_set_pin(dapm, pin, 0); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin_unlocked); + +/** * snd_soc_dapm_nc_pin - permanently disable pin. * @dapm: DAPM context * @pin: pin name @@ -3845,7 +3950,15 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin); */ int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin) { - return snd_soc_dapm_set_pin(dapm, pin, 0); + int ret; + + mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + + ret = snd_soc_dapm_set_pin(dapm, pin, 0); + + mutex_unlock(&dapm->card->dapm_mutex); + + return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin); diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 47e1ce771e65..28522bd03b8e 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -1989,6 +1989,7 @@ int soc_dpcm_runtime_update(struct snd_soc_card *card) paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list); if (paths < 0) { + dpcm_path_put(&list); dev_warn(fe->dev, "ASoC: %s no valid %s path\n", fe->dai_link->name, "playback"); mutex_unlock(&card->mutex); @@ -2018,6 +2019,7 @@ capture: paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list); if (paths < 0) { + dpcm_path_put(&list); dev_warn(fe->dev, "ASoC: %s no valid %s path\n", fe->dai_link->name, "capture"); mutex_unlock(&card->mutex); @@ -2082,6 +2084,7 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream) fe->dpcm[stream].runtime = fe_substream->runtime; if (dpcm_path_get(fe, stream, &list) <= 0) { + dpcm_path_put(&list); dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", fe->dai_link->name, stream ? "capture" : "playback"); } diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 44b0ba4feab3..1bed780e21d9 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -883,6 +883,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, } break; + case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ case USB_ID(0x046d, 0x0808): case USB_ID(0x046d, 0x0809): case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile index da8b7aa3d351..07b0b7542511 100644 --- a/tools/lib/lockdep/Makefile +++ b/tools/lib/lockdep/Makefile @@ -87,8 +87,8 @@ endif # BUILD_SRC # We process the rest of the Makefile if this is the final invocation of make ifeq ($(skip-makefile),) -srctree := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)) -objtree := $(CURDIR) +srctree := $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))) +objtree := $(realpath $(CURDIR)) src := $(srctree) obj := $(objtree) @@ -112,7 +112,7 @@ export Q VERBOSE LIBLOCKDEP_VERSION = $(LL_VERSION).$(LL_PATCHLEVEL).$(LL_EXTRAVERSION) -INCLUDES = -I. -I/usr/local/include -I./uinclude $(CONFIG_INCLUDES) +INCLUDES = -I. -I/usr/local/include -I./uinclude -I./include $(CONFIG_INCLUDES) # Set compile option CFLAGS if not set elsewhere CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c index f8465a811aa5..23bd69cb5ade 100644 --- a/tools/lib/lockdep/preload.c +++ b/tools/lib/lockdep/preload.c @@ -418,7 +418,7 @@ int pthread_rwlock_unlock(pthread_rwlock_t *rwlock) __attribute__((constructor)) static void init_preload(void) { - if (__init_state != done) + if (__init_state == done) return; #ifndef __GLIBC__ diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh index 5334ad9d39b7..5334ad9d39b7 100644..100755 --- a/tools/lib/lockdep/run_tests.sh +++ b/tools/lib/lockdep/run_tests.sh diff --git a/tools/lib/lockdep/uinclude/asm/hash.h b/tools/lib/lockdep/uinclude/asm/hash.h new file mode 100644 index 000000000000..d82b170bb216 --- /dev/null +++ b/tools/lib/lockdep/uinclude/asm/hash.h @@ -0,0 +1,6 @@ +#ifndef __ASM_GENERIC_HASH_H +#define __ASM_GENERIC_HASH_H + +/* Stub */ + +#endif /* __ASM_GENERIC_HASH_H */ diff --git a/tools/lib/lockdep/uinclude/linux/rcu.h b/tools/lib/lockdep/uinclude/linux/rcu.h index 4c99fcb5da27..042ee8e463c9 100644 --- a/tools/lib/lockdep/uinclude/linux/rcu.h +++ b/tools/lib/lockdep/uinclude/linux/rcu.h @@ -13,4 +13,9 @@ static inline int rcu_is_cpu_idle(void) return 1; } +static inline bool rcu_is_watching(void) +{ + return false; +} + #endif diff --git a/tools/net/Makefile b/tools/net/Makefile index 004cd74734b6..ee577ea03ba5 100644 --- a/tools/net/Makefile +++ b/tools/net/Makefile @@ -12,7 +12,7 @@ YACC = bison all : bpf_jit_disasm bpf_dbg bpf_asm -bpf_jit_disasm : CFLAGS = -Wall -O2 +bpf_jit_disasm : CFLAGS = -Wall -O2 -DPACKAGE='bpf_jit_disasm' bpf_jit_disasm : LDLIBS = -lopcodes -lbfd -ldl bpf_jit_disasm : bpf_jit_disasm.o diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3c53ec268fbc..02f985f3a396 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -113,14 +113,16 @@ static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_locati if (!he) return -ENOMEM; - err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); - if (err) - goto out; + if (ui__has_annotation()) { + err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); + if (err) + goto out; - mx = he->mem_info; - err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx); - if (err) - goto out; + mx = he->mem_info; + err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx); + if (err) + goto out; + } evsel->hists.stats.total_period += cost; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); @@ -164,14 +166,18 @@ static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_loc he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, 1, 1, 0); if (he) { - bx = he->branch_info; - err = addr_map_symbol__inc_samples(&bx->from, evsel->idx); - if (err) - goto out; - - err = addr_map_symbol__inc_samples(&bx->to, evsel->idx); - if (err) - goto out; + if (ui__has_annotation()) { + bx = he->branch_info; + err = addr_map_symbol__inc_samples(&bx->from, + evsel->idx); + if (err) + goto out; + + err = addr_map_symbol__inc_samples(&bx->to, + evsel->idx); + if (err) + goto out; + } evsel->hists.stats.total_period += 1; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); @@ -205,7 +211,9 @@ static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evs if (err) goto out; - err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); + if (ui__has_annotation()) + err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); + evsel->hists.stats.total_period += sample->period; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); out: diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 76cd510d34d0..5f989a7d8bc2 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -176,7 +176,7 @@ static void perf_top__record_precise_ip(struct perf_top *top, { struct annotation *notes; struct symbol *sym; - int err; + int err = 0; if (he == NULL || he->ms.sym == NULL || ((top->sym_filter_entry == NULL || @@ -190,7 +190,9 @@ static void perf_top__record_precise_ip(struct perf_top *top, return; ip = he->ms.map->map_ip(he->ms.map, ip); - err = hist_entry__inc_addr_samples(he, counter, ip); + + if (ui__has_annotation()) + err = hist_entry__inc_addr_samples(he, counter, ip); pthread_mutex_unlock(¬es->lock); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 6aa6fb6f7bd9..f954c26de231 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -825,7 +825,6 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal P_SIGNUM(PIPE); P_SIGNUM(ALRM); P_SIGNUM(TERM); - P_SIGNUM(STKFLT); P_SIGNUM(CHLD); P_SIGNUM(CONT); P_SIGNUM(STOP); @@ -841,6 +840,15 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal P_SIGNUM(IO); P_SIGNUM(PWR); P_SIGNUM(SYS); +#ifdef SIGEMT + P_SIGNUM(EMT); +#endif +#ifdef SIGSTKFLT + P_SIGNUM(STKFLT); +#endif +#ifdef SIGSWI + P_SIGNUM(SWI); +#endif default: break; } diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index c48d44958172..0331ea2701a3 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -478,7 +478,7 @@ else endif ifeq ($(feature-libbfd), 1) - EXTLIBS += -lbfd + EXTLIBS += -lbfd -lz -liberty endif ifdef NO_DEMANGLE diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 12e551346fa6..523b7bc10553 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -121,7 +121,7 @@ test-libpython-version.bin: $(BUILD) $(FLAGS_PYTHON_EMBED) test-libbfd.bin: - $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl + $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl test-liberty.bin: $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 469eb679fb9d..3aa555ff9d89 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -8,6 +8,8 @@ */ #include "util.h" +#include "ui/ui.h" +#include "sort.h" #include "build-id.h" #include "color.h" #include "cache.h" @@ -489,7 +491,7 @@ static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, { struct annotation *notes; - if (sym == NULL || use_browser != 1 || !sort__has_sym) + if (sym == NULL) return 0; notes = symbol__annotation(sym); @@ -1399,3 +1401,8 @@ int hist_entry__annotate(struct hist_entry *he, size_t privsize) { return symbol__annotate(he->ms.sym, he->ms.map, privsize); } + +bool ui__has_annotation(void) +{ + return use_browser == 1 && sort__has_sym; +} diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index b2aef59d6bb2..56ad4f5287de 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -151,6 +151,8 @@ void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); void disasm__purge(struct list_head *head); +bool ui__has_annotation(void); + int symbol__tty_annotate(struct symbol *sym, struct map *map, struct perf_evsel *evsel, bool print_lines, bool full_paths, int min_pcnt, int max_lines); diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h index 45cf10a562bd..dadfa7e54287 100644 --- a/tools/perf/util/include/linux/bitops.h +++ b/tools/perf/util/include/linux/bitops.h @@ -87,13 +87,15 @@ static __always_inline unsigned long __ffs(unsigned long word) return num; } +typedef const unsigned long __attribute__((__may_alias__)) long_alias_t; + /* * Find the first set bit in a memory region. */ static inline unsigned long find_first_bit(const unsigned long *addr, unsigned long size) { - const unsigned long *p = addr; + long_alias_t *p = (long_alias_t *) addr; unsigned long result = 0; unsigned long tmp; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index c872991e0f65..620a1983b76b 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1213,7 +1213,7 @@ static void ip__resolve_ams(struct machine *machine, struct thread *thread, */ thread__find_addr_location(thread, machine, m, MAP__FUNCTION, ip, &al); - if (al.sym) + if (al.map) goto found; } found: diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 3e9f336740fa..516d19fb999b 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -151,15 +151,15 @@ Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, gelf_getshdr(sec, shp); str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); - if (!strcmp(name, str)) { + if (str && !strcmp(name, str)) { if (idx) *idx = cnt; - break; + return sec; } ++cnt; } - return sec; + return NULL; } #define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \ diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index a9d758a3b371..e89afc097d8a 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1336,6 +1336,8 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (syms_ss && runtime_ss) break; + } else { + symsrc__destroy(ss); } } diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c index d66418237d21..aa290c0de6f5 100644 --- a/tools/testing/selftests/ipc/msgque.c +++ b/tools/testing/selftests/ipc/msgque.c @@ -201,6 +201,7 @@ int main(int argc, char **argv) msgque.msq_id = msgget(msgque.key, IPC_CREAT | IPC_EXCL | 0666); if (msgque.msq_id == -1) { + err = -errno; printf("Can't create queue\n"); goto err_out; } |