| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull networking fixes from David Miller:
1) Fix uninitialized struct station_info in cfg80211_wireless_stats(),
from Johannes Berg.
2) Revert commit attempt to fix ipv6 protocol resubmission, it adds
regressions.
3) Endless loops can be created in bridge port lists, fix from Nikolay
Aleksandrov.
4) Don't WARN_ON() if sk->sk_forward_alloc is non-zero in
sk_clear_memalloc, it is a legal situation during swap deactivation.
Fix from Mel Gorman.
5) Fix order of disabling interrupts and unlocking NAPI in enic driver
to avoid a race. From Govindarajulu Varadarajan.
6) High and low register writes are swapped when programming the start
of periodic output in igb driver. From Richard Cochran.
7) Fix device rename handling in mpls stack, from Robert Shearman.
8) Do not trigger compaction synchronously when optimistically trying
to allocate an order 3 page in alloc_skb_with_frags() and
skb_page_frag_refill(). From Shaohua Li.
9) Authentication with COOKIE_ECHO is not handled properly in SCTP, fix
from Marcelo Ricardo Leitner.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt
sctp: allow authenticating DATA chunks that are bundled with COOKIE_ECHO
net: don't wait for order-3 page allocation
mpls: handle device renames for per-device sysctls
net: igb: fix the start time for periodic output signals
enic: fix memory leak in rq_clean
enic: check return value for stat dump
enic: unlock napi busy poll before unmasking intr
net, swap: Remove a warning and clarify why sk_mem_reclaim is required when deactivating swap
bridge: fix multicast router rlist endless loop
tipc: disconnect socket directly after probe failure
Revert "ipv6: Fix protocol resubmission"
cfg80211: wext: clear sinfo struct before calling driver
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This patch fix URL (http to https) for wiki.wireshark.org.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull VT-d hardware workarounds from David Woodhouse:
"This contains a workaround for hardware issues which I *thought* were
never going to be seen on production hardware. I'm glad I checked
that before the 4.1 release...
Firstly, PASID support is so broken on existing chips that we're just
going to declare the old capability bit 28 as 'reserved' and change
the VT-d spec to move PASID support to another bit. So any existing
hardware doesn't support SVM; it only sets that (now) meaningless bit
28.
That patch *wasn't* imperative for 4.1 because we don't have PASID
support yet. But *even* the extended context tables are broken — if
you just enable the wider tables and use none of the new bits in them,
which is precisely what 4.1 does, you find that translations don't
work. It's this problem which I thought was caught in time to be
fixed before production, but wasn't.
To avoid triggering this issue, we now *only* enable the extended
context tables on hardware which also advertises "we have PASID
support and we actually tested it this time" with the new PASID
feature bit.
In addition, I've added an 'intel_iommu=ecs_off' command line
parameter to allow us to disable it manually if we need to"
* git://git.infradead.org/intel-iommu:
iommu/vt-d: Only enable extended context tables if PASID is supported
iommu/vt-d: Change PASID support to bit 40 of Extended Capability Register
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Although the extended tables are theoretically a completely orthogonal
feature to PASID and anything else that *uses* the newly-available bits,
some of the early hardware has problems even when all we do is enable
them and use only the same bits that were in the old context tables.
For now, there's no motivation to support extended tables unless we're
going to use PASID support to do SVM. So just don't use them unless
PASID support is advertised too. Also add a command-line bailout just in
case later chips also have issues.
The equivalent problem for PASID support has already been fixed with the
upcoming VT-d spec update and commit bd00c606a ("iommu/vt-d: Change
PASID support to bit 40 of Extended Capability Register"), because the
problematic platforms use the old definition of the PASID-capable bit,
which is now marked as reserved and meaningless.
So with this change, we'll magically start using ECS again only when we
see the new hardware advertising "hey, we have PASID support and we
actually tested it this time" on bit 40.
The VT-d hardware architect has promised that we are not going to have
any reason to support ECS *without* PASID any time soon, and he'll make
sure he checks with us before changing that.
In the future, if hypothetical new features also use new bits in the
context tables and can be seen on implementations *without* PASID support,
we might need to add their feature bits to the ecs_enabled() macro.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Kevin Hilman:
"About 10 days worth of small bug fixes, and the (hopefully) final
round fixes for from arm-soc land for the -rc cycle. Nothing special
to note, but here's a brief summary of fixes by SoC type:
- OMAP:
small set of misc DT fixes; boot fix for THUMB2 kernel
- mediatek:
PMIC fixes; DT fix for model name
- exynos:
wakeup interupt fixes for 3250
- mvebu:
revert mbus patch which broke DMA masters
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
ARM: dts: AM35xx: fix system control module clocks
arm64: dts: mt8173-evb: fix model name
ARM: exynos: Fix wake-up interrupts for Exynos3250
ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
ARM: dts: Fix dm816x to use right compatible flag for MUSB
ARM: OMAP3: Fix booting with thumb2 kernel
Revert "bus: mvebu-mbus: make sure SDRAM CS for DMA don't overlap the MBus bridge window"
bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms.
ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
soc: mediatek: Add compile dependency to pmic-wrapper
soc: mediatek: PMIC wrap: Fix register state machine handling
soc: mediatek: PMIC wrap: Fix clock rate handling
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge omap fixes for v4.1, urgent fix to avoid potential hardware damage From Tony Lindgren:
Omap fixes for the -rc cycle, including a fix for potential hardware
breakage on BeagleBones:
- BeagleBones don't support RTC-only mode, it can cause hardware
damage if system-power-controller is specified without
ti,pmic-shutdown-controller
- Fix a recent regression to am3517 SoCs caused by the recent clock
move that was not noticed until now despite automated boot
testing
- Fix a regression for n900 touchscreen triggered by recent
recent input changes
- Fix compatible property for dm816x USB to avoid errors with
USB Ethernet
- Fix oops for omap3 when built with CONFIG_THUMB2_KERNEL
* tag 'omap-for-v4.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
ARM: dts: AM35xx: fix system control module clocks
ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
ARM: dts: Fix dm816x to use right compatible flag for MUSB
ARM: OMAP3: Fix booting with thumb2 kernel
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Fix dts to match what the Linux kernel expects. This works around
touchscreen problems in 4.1 linux on Nokia n900.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and PHY driver fixes from Greg KH:
"Here are some USB and PHY driver fixes that resolve some reported
regressions. Also in here are some new device ids.
All of the details are in the shortlog and these patches have been in
linux-next with no problems"
* tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
usb: renesas_usbhs: Don't disable the pipe if Control write status stage
usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
usb: gadget: f_fs: fix check in read operation
usb: musb: fix order of conditions for assigning end point operations
usb: gadget: f_uac1: check return code from config_ep_by_speed
usb: gadget: ffs: fix: Always call ffs_closed() in ffs_data_clear()
usb: gadget: g_ffs: Fix counting of missing_functions
usb: s3c2410_udc: correct reversed pullup logic
usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros
usb: phy: tahvo: Pass the IRQF_ONESHOT flag
usb: phy: ab8500-usb: Pass the IRQF_ONESHOT flag
usb: renesas_usbhs: Revise the binding document about the dma-names
usb: host: xhci: add mutex for non-thread-safe data
usb: make module xhci_hcd removable
USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board
usb: gadget: f_midi: fix segfault when reading empty id
phy: phy-rcar-gen2: Fix USBHS_UGSTS_LOCK value
phy: omap-usb2: invoke pm_runtime_disable on error path
phy: fix Kconfig dependencies
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.1-rc5
A few late important fixes which have been pending
on mailing list due to my vacations.
The important fixes are a fix for DEPCMD and DGCMD
status bitfields on DWC3, a couple fixes for Renesas
USB Controller, one of which prevents a broken DT
binding from reaching v4.1-final, and an old fix for
s3c2410-udc where pullup logic was reversed.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Since the DT should describe the hardware (not the driver limitation),
This patch revises the binding document about the dma-names to change
simple numbering as "ch%d" instead of "tx<n>" and "rx<n>".
Also this patch fixes the actual code of renesas_usbhs driver to handle
the new dma-names.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Pull SCSI target fixes from Nicholas Bellinger:
"These are mostly minor fixes, with the exception of the following that
address fall-out from recent v4.1-rc1 changes:
- regression fix related to the big fabric API registration changes
and configfs_depend_item() usage, that required cherry-picking one
of HCH's patches from for-next to address the issue for v4.1 code.
- remaining TCM-USER -v2 related changes to enforce full CDB
passthrough from Andy + Ilias.
Also included is a target_core_pscsi driver fix from Andy that
addresses a long standing issue with a Scsi_Host reference being
leaked on PSCSI device shutdown"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iser-target: Fix error path in isert_create_pi_ctx()
target: Use a PASSTHROUGH flag instead of transport_types
target: Move passthrough CDB parsing into a common function
target/user: Only support full command pass-through
target/user: Update example code for new ABI requirements
target/pscsi: Don't leak scsi_host if hba is VIRTUAL_HOST
target: Fix se_tpg_tfo->tf_subsys regression + remove tf_subsystem
target: Drop signal_pending checks after interruptible lock acquire
target: Add missing parentheses
target: Fix bidi command handling
target/user: Disallow full passthrough (pass_level=0)
ISCSI: fix minor memory leak
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After much discussion, give up on only passing a subset of SCSI commands
to userspace and pass them all. Based on what pscsi is doing, make sure
to set SCF_SCSI_DATA_CDB for I/O ops, and define attributes identical to
pscsi.
Make hw_block_size configurable via dev param.
Remove mention of command filtering from tcmu-design.txt.
Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Ilias Tsitsimpis <iliastsi@arrikto.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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We now require that the userspace handler set a bit if the command is not
handled.
Update calls to tcmu_hdr_get_op for v2.
Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Ilias Tsitsimpis <iliastsi@arrikto.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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TCMU requires more work to correctly handle both user handlers that want
all SCSI commands (pass_level=0) for a se_device, and also handlers that
just want I/O commands and let the others be emulated by the kernel
(pass_level=1). Only support the latter for now.
For full passthrough, we will need to support a second se_subsystem_api
template, due to configfs attributes being different between the two modes.
Thus pass_level is extraneous, and we can remove it.
The ABI break for TCMU v2 is already applied for this release, so it's
best to do this now to avoid another ABI break in the future.
Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Some late hwmon patches, all headed for -stable
- fix sysfs attribute initialization in nct6775 and nct6683 drivers
- do not attempt to auto-detect tmp435 on I2C address 0x37
- ensure iio channel is of type IIO_VOLTAGE in ntc_thermistor driver"
* tag 'hwmon-for-linus-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (nct6683) Add missing sysfs attribute initialization
hwmon: (nct6775) Add missing sysfs attribute initialization
hwmon: (tmp401) Do not auto-detect chip on I2C address 0x37
hwmon: (ntc_thermistor) Ensure iio channel is of type IIO_VOLTAGE
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I2C address 0x37 may be used by EEPROMs, which can result in false
positives. Do not attempt to detect a chip at this address.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"This tree includes:
- a fix that disables the compacted FPU XSAVE format by disabling
XSAVES support: the fixes are too complex and the breakages
ABI-affecting, so we want this to be quirked off in a robust way
and backported, to make sure no broken kernel is exposed to the new
hardware (which exposure is still very limited).
- an MCE printk message fix
- a documentation fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Disable XSAVES* support for now
x86/Documentation: Update the contact email for L3 cache index disable functionality
x86/mce: Fix MCE severity messages
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functionality
The mailing list discuss@x86-64.org is now defunct.
Use the lkml in its place.
Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Greg KH <greg@kroah.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-api@vger.kernel.org
Cc: sboyd@codeaurora.org
Cc: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1431125098-9470-1-git-send-email-Aravind.Gopalakrishnan@amd.com
Link: http://lkml.kernel.org/r/1431936437-25286-2-git-send-email-bp@alien8.de
[ Changed the contact email to lkml. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull networking fixes from David Miller:
1) Don't leak ipvs->sysctl_tbl, from Tommi Rentala.
2) Fix neighbour table entry leak in rocker driver, from Ying Xue.
3) Do not emit bonding notifications for unregistered interfaces, from
Nicolas Dichtel.
4) Set ipv6 flow label properly when in TIME_WAIT state, from Florent
Fourcot.
5) Fix regression in ipv6 multicast filter test, from Henning Rogge.
6) do_replace() in various footables netfilter modules is missing a
check for 0 counters in the datastructure provided by the user. Fix
from Dave Jones, and found with trinity.
7) Fix RCU bug in packet scheduler classifier module unloads, from
Daniel Borkmann.
8) Avoid deadlock in tcp_get_info() by using u64_sync. From Eric
Dumzaet.
9) Input packet processing can race with inetdev_destroy() teardown,
fix potential OOPS in ip_error() by explicitly testing whether the
inetdev is still attached. From Eric W Biederman.
10) MLDv2 parser in bridge multicast code breaks too early while
parsing. Fix from Thadeu Lima de Souza Cascardo.
11) Asking for settings on non-zero PHYID doesn't work because we do not
import the command structure from the user and use the PHYID
provided there. Fix from Arun Parameswaran.
12) Fix UDP checksums with IPV6 RAW sockets, from Vlad Yasevich.
13) Missing NF_TABLES depends for TPROXY etc can cause build failures,
fix from Florian Westphal.
14) Fix netfilter conntrack to handle RFC5961 challenge ACKs properly,
from Jesper Dangaard Brouer.
15) If netlink autobind retry fails, we have to reset the sockets portid
back to zero. From Herbert Xu.
16) VXLAN netns exit code unregisters using wrong device, from John W
Linville.
17) Add some USB device IDs to ath3k and btusb bluetooth drivers, from
Dmitry Tunin and Wen-chien Jesse Sung.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
bridge: fix lockdep splat
net: core: 'ethtool' issue with querying phy settings
bridge: fix parsing of MLDv2 reports
ARM: zynq: DT: Use the zynq binding with macb
net: macb: Disable half duplex gigabit on Zynq
net: macb: Document zynq gem dt binding
ipv4: fill in table id when replacing a route
cdc_ncm: Fix tx_bytes statistics
ipv4: Avoid crashing in ip_error
tcp: fix a potential deadlock in tcp_get_info()
net: sched: fix call_rcu() race on classifier module unloads
net: phy: Make sure phy_start() always re-enables the phy interrupts
ipv6: fix ECMP route replacement
ipv6: do not delete previously existing ECMP routes if add fails
Revert "netfilter: bridge: query conntrack about skb dnat"
netfilter: ensure number of counters is >0 in do_replace()
netfilter: nfnetlink_{log,queue}: Register pernet in first place
tcp: don't over-send F-RTO probes
tcp: only undo on partial ACKs in CA_Loss
net/ipv6/udp: Fix ipv6 multicast socket filter regression
...
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Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull KVM fixes from Paolo Bonzini:
"This includes a fix for two oopses, one on PPC and on x86.
The rest is fixes for bugs with newer Intel processors"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm/fpu: Enable eager restore kvm FPU for MPX
Revert "KVM: x86: drop fpu_activate hook"
kvm: fix crash in kvm_vcpu_reload_apic_access_page
KVM: MMU: fix SMAP virtualization
KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages
KVM: MMU: fix smap permission check
KVM: PPC: Book3S HV: Fix list traversal in error case
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KVM may turn a user page to a kernel page when kernel writes a readonly
user page if CR0.WP = 1. This shadow page entry will be reused after
SMAP is enabled so that kernel is allowed to access this user page
Fix it by setting SMAP && !CR0.WP into shadow page's role and reset mmu
once CR4.SMAP is updated
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Michael Turquette:
"The first set of clk fixes for 4.1 are all driver bugs, with the
exception of a single locking fix in the core code.
All driver fixes are for code that was merged recently. The Samsung
stuff is mostly fixes around suspend/resume, the Qualcomm fixes are
for invalid hardware configuration data and the Silicon Labs patches
are fixes following their move away from platform_data to Device Tree"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: si5351: Do not pass struct clk in platform_data
clk: si5351: Mention clock-names in the binding documentation
clk: add missing lock when call clk_core_enable in clk_set_parent
clk: exynos5420: Restore GATE_BUS_TOP on suspend
clk: qcom: Fix MSM8916 gfx3d_clk_src configuration
clk: qcom: Fix MSM8916 venus divider value
clk: exynos5433: Fix wrong PMS value of exynos5433_pll_rates
clk: exynos5433: Fix wrong parent clock of sclk_apollo clock
clk: exynos5433: Fix CLK_PCLK_MONOTONIC_CNT clk register assignment
clk: exynos5433: Fix wrong offset of PCLK_MSCL_SECURE_SMMU_JPEG
clk: Use CONFIG_ARCH_EXYNOS instead of CONFIG_ARCH_EXYNOS5433
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Since the introduction of clk-si5351 the way we should deal with DT provided
clocks has changed from indexed to named clock phandles. Amend the binding
documentation to reflect named clock phandles by clock-names property.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
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Pull MTD fixes from Brian Norris:
"Two MTD fixes for 4.1:
- readtest: the signal-handling code was clobbering the error codes
we should be handling/reporting in this test, rendering it useless.
Noticed by Coverity.
- the common SPI NOR flash DT binding (merged for 4.1-rc1) is being
revised, so let's change that before 4.1 is minted"
* tag 'for-linus-20150516' of git://git.infradead.org/linux-mtd:
Documentation: dt: mtd: replace "nor-jedec" binding with "jedec, spi-nor"
mtd: readtest: don't clobber error reports
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In commit 8ff16cf77ce3 ("Documentation: devicetree: m25p80: add "nor-jedec"
binding"), we added a generic "nor-jedec" binding to catch all
mostly-compatible SPI NOR flash which can be detected via the READ ID
opcode (0x9F). This was discussed and reviewed at the time, however
objections have come up since then as part of this discussion:
http://lkml.kernel.org/g/20150511224646.GJ32500@ld-irv-0074
It seems the parties involved agree that "jedec,spi-nor" does a better
job of capturing the fact that this is SPI-specific, not just any NOR
flash.
This binding was only merged for v4.1-rc1, so it's still OK to change
the naming.
At the same time, let's move the documentation to a better name.
Next up: stop referring to code (drivers/mtd/devices/m25p80.c) from the
documentation.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Rafał Miłecki <zajec5@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Mark Rutland <mark.rutland@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here's some TTY and serial driver fixes for reported issues.
All of these have been in linux-next successfully"
* tag 'tty-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
pty: Fix input race when closing
tty/n_gsm.c: fix a memory leak when gsmtty is removed
Revert "serial/amba-pl011: Leave the TX IRQ alone when the UART is not open"
serial: omap: Fix error handling in probe
earlycon: Revert log warnings
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A read() from a pty master may mistakenly indicate EOF (errno == -EIO)
after the pty slave has closed, even though input data remains to be read.
For example,
pty slave | input worker | pty master
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| | n_tty_read()
pty_write() | | input avail? no
add data | | sleep
schedule worker --->| | .
|---> flush_to_ldisc() | .
pty_close() | fill read buffer | .
wait for worker | wakeup reader --->| .
| read buffer full? |---> input avail ? yes
|<--- yes - exit worker | copy 4096 bytes to user
TTY_OTHER_CLOSED <---| |<--- kick worker
| |
**** New read() before worker starts ****
| | n_tty_read()
| | input avail? no
| | TTY_OTHER_CLOSED? yes
| | return -EIO
Several conditions are required to trigger this race:
1. the ldisc read buffer must become full so the input worker exits
2. the read() count parameter must be >= 4096 so the ldisc read buffer
is empty
3. the subsequent read() occurs before the kicked worker has processed
more input
However, the underlying cause of the race is that data is pipelined, while
tty state is not; ie., data already written by the pty slave end is not
yet visible to the pty master end, but state changes by the pty slave end
are visible to the pty master end immediately.
Pipeline the TTY_OTHER_CLOSED state through input worker to the reader.
1. Introduce TTY_OTHER_DONE which is set by the input worker when
TTY_OTHER_CLOSED is set and either the input buffers are flushed or
input processing has completed. Readers/polls are woken when
TTY_OTHER_DONE is set.
2. Reader/poll checks TTY_OTHER_DONE instead of TTY_OTHER_CLOSED.
3. A new input worker is started from pty_close() after setting
TTY_OTHER_CLOSED, which ensures the TTY_OTHER_DONE state will be
set if the last input worker is already finished (or just about to
exit).
Remove tty_flush_to_ldisc(); no in-tree callers.
Fixes: 52bce7f8d4fc ("pty, n_tty: Simplify input processing on final close")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=96311
BugLink: http://bugs.launchpad.net/bugs/1429756
Cc: <stable@vger.kernel.org> # 3.19+
Reported-by: Andy Whitcroft <apw@canonical.com>
Reported-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"A few patches have come up since the merge window. The largest one is
a rewrite of the PXA lubbock/mainstone IRQ handling. This was already
broken in 2011 by a change to the GPIO code and only noticed now.
The other changes contained here are:
MAINTAINERS file updates:
- Ray Jui and Scott Branden are now co-maintainers for some of the
mach-bcm chips, while Christian Daudt and Marc Carino have stepped
down.
- Andrew Victor is no longer maintaining at91. Instead, Alexandre
Belloni now becomes an official maintainer, after having done a
bulk of the work for a while.
- Baruch Siach, who added the mach-digicolor platform in 4.1 is now
listed as maintainer
- The git URL for mach-socfpga has changed
Bug fixes:
- Three bug fixes for new rockchip rk3288 code
- A regression fix to make SD card support work on certain ux500
boards
- multiple smaller dts fixes for imx, omap, mvebu, and shmobile
- a regression fiix for omap3 power consumption
- a fix for regression in the ARM CCI bus driver
Configuration changes:
- more imx platforms are now enabled in multi_v7_defconfig"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
MAINTAINERS: add Conexant Digicolor machines entry
MAINTAINERS: socfpga: update the git repo for SoCFPGA
ARM: multi_v7_defconfig: Select more FSL SoCs
MAINTAINERS: replace an AT91 maintainer
drivers: CCI: fix used_mask init in validate_group()
bus: omap_l3_noc: Fix master id address decoding for OMAP5
bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
ARM: dts: dra7: Fix efuse register size for ABB
ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
ARM: dts: am57xx-beagle-x15: Switch UART mux pins
ARM: dts: am437x-sk: reduce col-scan-delay-us
ARM: dts: am437x-sk: fix for new newhaven display module revision
ARM: dts: am57xx-beagle-x15: Fix RTC aliases
ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
ARM: dts: OMAP3-N900: Add microphone bias voltages
ARM: OMAP2+: Fix omap off idle power consumption creeping up
MAINTAINERS: Update brcmstb entry
MAINTAINERS: Remove Christian Daudt for mach-bcm
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v4.1-rc1" from Tony Lindgren:
Fixes for omaps, mostly a fix for power power consumption
creeping up during idle, and two l3-noc device fixes:
- Fix power consumption creeping up with I2C4 staying on
- Fix n900 microphone bias voltages
- Fix dra7 l3-noc for host clock
- Fix omap5 l3-noc id address decoding
The rest are all just minor dts fixes:
- Fix changed EXTCON_USB_GPIO_USB in defconfig
- Fix missing isp and iva #iommu-cells property
- Various beagle x15 dts fixes for pre-production changes
- Fix am437x-sk display dts entries
* tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: omap_l3_noc: Fix master id address decoding for OMAP5
bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
ARM: dts: dra7: Fix efuse register size for ABB
ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
ARM: dts: am57xx-beagle-x15: Switch UART mux pins
ARM: dts: am437x-sk: reduce col-scan-delay-us
ARM: dts: am437x-sk: fix for new newhaven display module revision
ARM: dts: am57xx-beagle-x15: Fix RTC aliases
ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
ARM: dts: OMAP3-N900: Add microphone bias voltages
ARM: OMAP2+: Fix omap off idle power consumption creeping up
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The L3 Error handling on OMAP5 for the most part is very similar
to that of OMAP4, and had leveraged common data structures and
register layout definitions so far. Upon closer inspection, there
are a few minor differences causing an incorrect decoding and
reporting of the master NIU upon an error:
1. The L3_TARG_STDERRLOG_MSTADDR.STDERRLOG_MSTADDR occupies
11 bits on OMAP5 as against 8 bits on OMAP4, with the master
NIU connID encoded in the 6 MSBs of the STDERRLOG_MSTADDR
field.
2. The CLK3 FlagMux component has 1 input source on OMAP4 and 3
input sources on OMAP5. The common DEBUGSS source is at a
different input on each SoC.
Fix the above issues by using a OMAP5-specific compatible property
and using SoC-specific data where there are differences.
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Pull "The i.MX fixes for 4.1" from Shawn Guo:
- A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
polarity and USB dr_mode setting
- One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
- Add missing pwm-cells to PWM4 for i.MX25 device tree
- Fix imx6q-phytec device tree to get correct USB VBUS control
- Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
device tree, which was sneaked in from vendor device tree
- One fix on Wolfram's broken email address
* tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl-sabreauto: remove pinctrl-assert-gpios
ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name
ARM: dts: imx25: Add #pwm-cells to pwm4
ARM: dts: imx6: phyFLEX: USB VBUS control is active-high
ARM: mach-imx: devices: platform-sdhci-esdhc-imx: fix broken email address
ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO
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Fix a typo in the TX DMA interrupt name for AUART4.
This patch makes AUART4 operational again.
Signed-off-by: Marek Vasut <marex@denx.de>
Fixes: f30fb03d4d3a ("ARM: dts: add generic DMA device tree binding for mxs-dma")
Cc: stable@vger.kernel.org
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These include three regression fixes (PCI resources management,
ACPI/PNP device enumeration, ACPI SBS on MacBook) and two ACPI
documentation fixes related to GPIO.
Specifics:
- Fix for a PCI resources management regression introduced during the
4.0 cycle and related to the handling of ACPI resources'
Producer/Consumer flags that turn out to be useless (Jiang Liu)
- Fix for a MacBook regression related to the Smart Battery Subsystem
(SBS) driver causing various problems (stalls on boot, failure to
detect or report battery) to happen and introduced during the 3.18
cycle (Chris Bainbridge)
- Fix for an ACPI/PNP device enumeration regression introduced during
the 3.16 cycle caused by failing to include two PNP device IDs into
the list of IDs that PNP device objects need to be created for
(Witold Szczeponik)
- Fixes for two minor mistakes in the ACPI GPIO properties
documentation (Antonio Ospite, Rafael J Wysocki)"
* tag 'pm+acpi-4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PNP: add two IDs to list for PNPACPI device enumeration
ACPI / documentation: Fix ambiguity in the GPIO properties document
ACPI / documentation: fix a sentence about GPIO resources
ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook
x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus
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* acpi-resources:
x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus
* acpi-battery:
ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook
* acpi-doc:
ACPI / documentation: Fix ambiguity in the GPIO properties document
ACPI / documentation: fix a sentence about GPIO resources
* acpi-pnp:
ACPI / PNP: add two IDs to list for PNPACPI device enumeration
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The first paragraph in Documentation/acpi/gpio-properties.txt is
ambiguous, so make it more clear.
Reported-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The sentence "These resources are used be used to pass ..." contains
a suspicious repetition, likely the author meant "These resources can
be used to pass ...".
Simplify the wording.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull IPMI fixes from Corey Minyard:
"Lots of minor IPMI fixes, especially ones that have have come up since
the SSIF driver has been in the main kernel for a while"
* tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: Fix multi-part message handling
ipmi: Add alert handling to SSIF
ipmi: Fix a problem that messages are not issued in run_to_completion mode
ipmi: Report an error if ACPI _IFT doesn't exist
ipmi: Remove unused including <linux/version.h>
ipmi: Don't report err in the SI driver for SSIF devices
ipmi: Remove incorrect use of seq_has_overflowed
ipmi:ssif: Ignore spaces when comparing I2C adapter names
ipmi_ssif: Fix the logic on user-supplied addresses
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Some of the adapters have spaces in their names, but that's really
hard to pass in as a module or kernel parameters. So ignore the
spaces.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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Document the bindings for abracon,abx80x and related compatibles.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Philippe De Muyter <phdm@macqel.be>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The documentation shows a need for gcc > 4.9.2, but it's really >=. The
Kconfig entries don't show require versions so add them. Correct a
latter/later typo too. Also mention that gcc 5 required to catch out of
bounds accesses to global and stack variables.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc fixes from Michael Ellerman:
- build fix for SMP=n in book3s_xics.c
- fix for Daniel's pci_controller_ops on powernv.
- revert the TM syscall abort patch for now.
- CPU affinity fix from Nathan.
- two EEH fixes from Gavin.
- fix for CR corruption from Sam.
- selftest build fix.
* tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc/powernv: Restore non-volatile CRs after nap
powerpc/eeh: Delay probing EEH device during hotplug
powerpc/eeh: Fix race condition in pcibios_set_pcie_reset_state()
powerpc/pseries: Correct cpu affinity for dlpar added cpus
selftests/powerpc: Fix the pmu install rule
Revert "powerpc/tm: Abort syscalls in active transactions"
powerpc/powernv: Fix early pci_controller_ops loading.
powerpc/kvm: Fix SMP=n build error in book3s_xics.c
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This reverts commit feba40362b11341bee6d8ed58d54b896abbd9f84.
Although the principle of this change is good, the implementation has a
few issues.
Firstly we can sometimes fail to abort a syscall because r12 may have
been clobbered by C code if we went down the virtual CPU accounting
path, or if syscall tracing was enabled.
Secondly we have decided that it is safer to abort the syscall even
earlier in the syscall entry path, so that we avoid the syscall tracing
path when we are transactional.
So that we have time to thoroughly test those changes we have decided to
revert this for this merge window and will merge the fixed version in
the next window.
NB. Rather than reverting the selftest we just drop tm-syscall from
TEST_PROGS so that it's not run by default.
Fixes: feba40362b11 ("powerpc/tm: Abort syscalls in active transactions")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Change default key details to be more obviously unspecified.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB fixes for 4.2-rc2. They revert one
problem patch, fix some minor things, and add some new quirks for
"broken" devices.
All have been in linux-next successfully"
* tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
cdc-acm: prevent infinite loop when parsing CDC headers.
Revert "usb: host: ehci-msm: Use devm_ioremap_resource instead of devm_ioremap"
usb: chipidea: otg: remove mutex unlock and lock while stop and start role
uas: Set max_sectors_240 quirk for ASM1053 devices
uas: Add US_FL_MAX_SECTORS_240 flag
uas: Allow uas_use_uas_driver to return usb-storage flags
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The usb-storage driver sets max_sectors = 240 in its scsi-host template,
for uas we do not want to do that for all devices, but testing has shown
that some devices need it.
This commit adds a US_FL_MAX_SECTORS_240 flag for such devices, and
implements support for it in uas.c, while at it it also adds support
for US_FL_MAX_SECTORS_64 to uas.c.
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull networking fixes from David Miller:
1) mlx4 doesn't check fully for supported valid RSS hash function, fix
from Amir Vadai
2) Off by one in ibmveth_change_mtu(), from David Gibson
3) Prevent altera chip from reporting false error interrupts in some
circumstances, from Chee Nouk Phoon
4) Get rid of that stupid endless loop trying to allocate a FIN packet
in TCP, and in the process kill deadlocks. From Eric Dumazet
5) Fix get_rps_cpus() crash due to wrong invalid-cpu value, also from
Eric Dumazet
6) Fix two bugs in async rhashtable resizing, from Thomas Graf
7) Fix topology server listener socket namespace bug in TIPC, from Ying
Xue
8) Add some missing HAS_DMA kconfig dependencies, from Geert
Uytterhoeven
9) bgmac driver intends to force re-polling but does so by returning
the wrong value from it's ->poll() handler. Fix from Rafał Miłecki
10) When the creater of an rhashtable configures a max size for it,
don't bark in the logs and drop insertions when that is exceeded.
Fix from Johannes Berg
11) Recover from out of order packets in ppp mppe properly, from Sylvain
Rochet
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
bnx2x: really disable TPA if 'disable_tpa' option is set
net:treewide: Fix typo in drivers/net
net/mlx4_en: Prevent setting invalid RSS hash function
mdio-mux-gpio: use new gpiod_get_array and gpiod_put_array functions
netfilter; Add some missing default cases to switch statements in nft_reject.
ppp: mppe: discard late packet in stateless mode
ppp: mppe: sanity error path rework
net/bonding: Make DRV macros private
net: rfs: fix crash in get_rps_cpus()
altera tse: add support for fixed-links.
pxa168: fix double deallocation of managed resources
net: fix crash in build_skb()
net: eth: altera: Resolve false errors from MSGDMA to TSE
ehea: Fix memory hook reference counting crashes
net/tg3: Release IRQs on permanent error
net: mdio-gpio: support access that may sleep
inet: fix possible panic in reqsk_queue_unlink()
rhashtable: don't attempt to grow when at max_size
bgmac: fix requests for extra polling calls from NAPI
tcp: avoid looping in tcp_send_fin()
...
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Commit 567e4b79731c ("net: rfs: add hash collision detection") had one
mistake :
RPS_NO_CPU is no longer the marker for invalid cpu in set_rps_cpu()
and get_rps_cpu(), as @next_cpu was the result of an AND with
rps_cpu_mask
This bug showed up on a host with 72 cpus :
next_cpu was 0x7f, and the code was trying to access percpu data of an
non existent cpu.
In a follow up patch, we might get rid of compares against nr_cpu_ids,
if we init the tables with 0. This is silly to test for a very unlikely
condition that exists only shortly after table initialization, as
we got rid of rps_reset_sock_flow() and similar functions that were
writing this RPS_NO_CPU magic value at flow dismantle : When table is
old enough, it never contains this value anymore.
Fixes: 567e4b79731c ("net: rfs: add hash collision detection")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tom Herbert <tom@herbertland.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An MPLS network is a single trust domain where the edges must be in
control of what labels make their way into the core. The simplest way
of ensuring this is for the edge device to always impose the labels,
and not allow forward labeled traffic from untrusted neighbours. This
is achieved by allowing a per-device configuration of whether MPLS
traffic input from that interface should be processed or not.
To be secure by default, the default state is changed to MPLS being
disabled on all interfaces unless explicitly enabled and no global
option is provided to change the default. Whilst this differs from
other protocols (e.g. IPv6), network operators are used to explicitly
enabling MPLS forwarding on interfaces, and with the number of links
to the MPLS core typically fairly low this doesn't present too much of
a burden on operators.
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"This series includes significant updates to the toshiba_acpi driver
and the reintroduction of the dell-laptop keyboard backlight additions
I had to revert previously. Also included are various fixes for
typos, warnings, correctness, and minor bugs.
Specifics:
dell-laptop:
- add support for keyboard backlight.
toshiba_acpi:
- adaptive keyboard, hotkey, USB sleep and charge, and backlight
updates. Update sysfs documentation.
toshiba_bluetooth:
- fix enabling/disabling loop on recent devices
apple-gmux:
- lock iGP IO to protect from vgaarb changes
other:
- Fix typos, clear gcc warnings, clarify pr_* messages, correct
return types, update MAINTAINERS"
* tag 'platform-drivers-x86-v4.1-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (25 commits)
toshiba_acpi: Do not register vendor backlight when acpi_video bl is available
MAINTAINERS: Add me on list of Dell laptop drivers
platform: x86: dell-laptop: Add support for keyboard backlight
Documentation/ABI: Update sysfs-driver-toshiba_acpi entry
toshiba_acpi: Fix pr_* messages from USB Sleep Functions
toshiba_acpi: Update and fix USB Sleep and Charge modes
wmi: Use bool function return values of true/false not 1/0
toshiba_bluetooth: Fix enabling/disabling loop on recent devices
toshiba_bluetooth: Clean up *_add function and disable BT device at removal
toshiba_bluetooth: Add three new functions to the driver
toshiba_acpi: Fix the enabling of the Special Functions
toshiba_acpi: Use the Hotkey Event Type function for keymap choosing
toshiba_acpi: Add Hotkey Event Type function and definitions
x86/wmi: delete unused wmi_data_lock mutex causing gcc warning
apple-gmux: lock iGP IO to protect from vgaarb changes
MAINTAINERS: Add missing Toshiba devices and add myself as maintainer
toshiba_acpi: Update events in toshiba_acpi_notify
intel-oaktrail: Fix trivial typo in comment
thinkpad_acpi: off by one in adaptive_keyboard_hotkey_notify_hotkey()
thinkpad_acpi: signedness bugs getting current_mode
...
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