diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-07 10:08:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-07 10:08:14 +0100 |
| commit | a3ab07c642b2d75e645b1a07464291e325a496e0 (patch) | |
| tree | c5b423b58698a9c7b7a9545d085ab4e776fa610f | |
| parent | Merge tag 'mhi-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ma... (diff) | |
| parent | Linux 5.10-rc7 (diff) | |
| download | linux-a3ab07c642b2d75e645b1a07464291e325a496e0.tar.xz linux-a3ab07c642b2d75e645b1a07464291e325a496e0.zip | |
Merge 5.10-rc7 into char-misc-next
We want the fixes in here, and this resolves a merge issue with
drivers/misc/habanalabs/common/memory.c.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
236 files changed, 2012 insertions, 2025 deletions
@@ -322,6 +322,8 @@ TripleX Chung <xxx.phy@gmail.com> <zhongyu@18mail.cn> Tsuneo Yoshioka <Tsuneo.Yoshioka@f-secure.com> Tycho Andersen <tycho@tycho.pizza> <tycho@tycho.ws> Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> +Uwe Kleine-König <u.kleine-koenig@pengutronix.de> +Uwe Kleine-König <ukleinek@strlen.de> Uwe Kleine-König <ukl@pengutronix.de> Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Valdis Kletnieks <Valdis.Kletnieks@vt.edu> @@ -740,6 +740,11 @@ S: (ask for current address) S: Portland, Oregon S: USA +N: Jason Cooper +D: ARM/Marvell SOC co-maintainer +D: irqchip co-maintainer +D: MVEBU PCI DRIVER co-maintainer + N: Robin Cornelius E: robincornelius@users.sourceforge.net D: Ralink rt2x00 WLAN driver diff --git a/Documentation/admin-guide/bootconfig.rst b/Documentation/admin-guide/bootconfig.rst index a22024f9175e..9b90efcc3a35 100644 --- a/Documentation/admin-guide/bootconfig.rst +++ b/Documentation/admin-guide/bootconfig.rst @@ -137,15 +137,24 @@ Boot Kernel With a Boot Config ============================== Since the boot configuration file is loaded with initrd, it will be added -to the end of the initrd (initramfs) image file with size, checksum and -12-byte magic word as below. +to the end of the initrd (initramfs) image file with padding, size, +checksum and 12-byte magic word as below. -[initrd][bootconfig][size(u32)][checksum(u32)][#BOOTCONFIG\n] +[initrd][bootconfig][padding][size(le32)][checksum(le32)][#BOOTCONFIG\n] + +The size and checksum fields are unsigned 32bit little endian value. + +When the boot configuration is added to the initrd image, the total +file size is aligned to 4 bytes. To fill the gap, null characters +(``\0``) will be added. Thus the ``size`` is the length of the bootconfig +file + padding bytes. The Linux kernel decodes the last part of the initrd image in memory to get the boot configuration data. Because of this "piggyback" method, there is no need to change or -update the boot loader and the kernel image itself. +update the boot loader and the kernel image itself as long as the boot +loader passes the correct initrd file size. If by any chance, the boot +loader passes a longer size, the kernel feils to find the bootconfig data. To do this operation, Linux kernel provides "bootconfig" command under tools/bootconfig, which allows admin to apply or delete the config file @@ -176,7 +185,8 @@ up to 512 key-value pairs. If keys contains 3 words in average, it can contain 256 key-value pairs. In most cases, the number of config items will be under 100 entries and smaller than 8KB, so it would be enough. If the node number exceeds 1024, parser returns an error even if the file -size is smaller than 32KB. +size is smaller than 32KB. (Note that this maximum size is not including +the padding null characters.) Anyway, since bootconfig command verifies it when appending a boot config to initrd image, user can notice it before boot. diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt index 3613c2c8f75d..0968b40aef1e 100644 --- a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt +++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt @@ -33,7 +33,7 @@ tcan4x5x: tcan4x5x@0 { spi-max-frequency = <10000000>; bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>; interrupt-parent = <&gpio1>; - interrupts = <14 GPIO_ACTIVE_LOW>; + interrupts = <14 IRQ_TYPE_LEVEL_LOW>; device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; device-wake-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; reset-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; diff --git a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt b/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt index cfaf88998918..9e4dc510a40a 100644 --- a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt +++ b/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt @@ -25,7 +25,7 @@ Example (for ARM-based BeagleBone with NPC100 NFC controller on I2C2): clock-frequency = <100000>; interrupt-parent = <&gpio1>; - interrupts = <29 GPIO_ACTIVE_HIGH>; + interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; diff --git a/Documentation/devicetree/bindings/net/nfc/pn544.txt b/Documentation/devicetree/bindings/net/nfc/pn544.txt index 92f399ec22b8..2bd82562ce8e 100644 --- a/Documentation/devicetree/bindings/net/nfc/pn544.txt +++ b/Documentation/devicetree/bindings/net/nfc/pn544.txt @@ -25,7 +25,7 @@ Example (for ARM-based BeagleBone with PN544 on I2C2): clock-frequency = <400000>; interrupt-parent = <&gpio1>; - interrupts = <17 GPIO_ACTIVE_HIGH>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; diff --git a/MAINTAINERS b/MAINTAINERS index 670e611e39ae..28c1ca1f298e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2014,7 +2014,6 @@ M: Philipp Zabel <philipp.zabel@gmail.com> S: Maintained ARM/Marvell Dove/MV78xx0/Orion SOC support -M: Jason Cooper <jason@lakedaemon.net> M: Andrew Lunn <andrew@lunn.ch> M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> M: Gregory Clement <gregory.clement@bootlin.com> @@ -2031,7 +2030,6 @@ F: arch/arm/plat-orion/ F: drivers/soc/dove/ ARM/Marvell Kirkwood and Armada 370, 375, 38x, 39x, XP, 3700, 7K/8K, CN9130 SOC support -M: Jason Cooper <jason@lakedaemon.net> M: Andrew Lunn <andrew@lunn.ch> M: Gregory Clement <gregory.clement@bootlin.com> M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> @@ -3357,6 +3355,17 @@ S: Supported F: arch/x86/net/ X: arch/x86/net/bpf_jit_comp32.c +BPF LSM (Security Audit and Enforcement using BPF) +M: KP Singh <kpsingh@chromium.org> +R: Florent Revest <revest@chromium.org> +R: Brendan Jackman <jackmanb@chromium.org> +L: bpf@vger.kernel.org +S: Maintained +F: Documentation/bpf/bpf_lsm.rst +F: include/linux/bpf_lsm.h +F: kernel/bpf/bpf_lsm.c +F: security/bpf/ + BROADCOM B44 10/100 ETHERNET DRIVER M: Michael Chan <michael.chan@broadcom.com> L: netdev@vger.kernel.org @@ -4276,6 +4285,7 @@ B: https://github.com/ClangBuiltLinux/linux/issues C: irc://chat.freenode.net/clangbuiltlinux F: Documentation/kbuild/llvm.rst F: scripts/clang-tools/ +F: scripts/lld-version.sh K: \b(?i:clang|llvm)\b CLEANCACHE API @@ -9069,10 +9079,7 @@ S: Supported F: drivers/net/wireless/intel/iwlegacy/ INTEL WIRELESS WIFI LINK (iwlwifi) -M: Johannes Berg <johannes.berg@intel.com> -M: Emmanuel Grumbach <emmanuel.grumbach@intel.com> M: Luca Coelho <luciano.coelho@intel.com> -M: Intel Linux Wireless <linuxwifi@intel.com> L: linux-wireless@vger.kernel.org S: Supported W: https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi @@ -9248,7 +9255,6 @@ F: kernel/irq/ IRQCHIP DRIVERS M: Thomas Gleixner <tglx@linutronix.de> -M: Jason Cooper <jason@lakedaemon.net> M: Marc Zyngier <maz@kernel.org> L: linux-kernel@vger.kernel.org S: Maintained @@ -13394,7 +13400,6 @@ F: drivers/pci/controller/mobiveil/pcie-mobiveil* PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support) M: Thomas Petazzoni <thomas.petazzoni@bootlin.com> -M: Jason Cooper <jason@lakedaemon.net> L: linux-pci@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -19122,12 +19127,17 @@ L: netdev@vger.kernel.org L: bpf@vger.kernel.org S: Supported F: include/net/xdp.h +F: include/net/xdp_priv.h F: include/trace/events/xdp.h F: kernel/bpf/cpumap.c F: kernel/bpf/devmap.c F: net/core/xdp.c -N: xdp -K: xdp +F: samples/bpf/xdp* +F: tools/testing/selftests/bpf/*xdp* +F: tools/testing/selftests/bpf/*/*xdp* +F: drivers/net/ethernet/*/*/*/*/*xdp* +F: drivers/net/ethernet/*/*/*xdp* +K: (?:\b|_)xdp(?:\b|_) XDP SOCKETS (AF_XDP) M: Björn Töpel <bjorn.topel@intel.com> @@ -19136,9 +19146,12 @@ R: Jonathan Lemon <jonathan.lemon@gmail.com> L: netdev@vger.kernel.org L: bpf@vger.kernel.org S: Maintained +F: Documentation/networking/af_xdp.rst F: include/net/xdp_sock* F: include/net/xsk_buff_pool.h F: include/uapi/linux/if_xdp.h +F: include/uapi/linux/xdp_diag.h +F: include/net/netns/xdp.h F: net/xdp/ F: samples/bpf/xdpsock* F: tools/lib/bpf/xsk* @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 10 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc7 NAME = Kleptomaniac Octopus # *DOCUMENTATION* @@ -826,7 +826,9 @@ else DEBUG_CFLAGS += -g endif +ifneq ($(LLVM_IAS),1) KBUILD_AFLAGS += -Wa,-gdwarf-2 +endif ifdef CONFIG_DEBUG_INFO_DWARF4 DEBUG_CFLAGS += -gdwarf-4 @@ -944,7 +946,7 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init) # change __FILE__ to the relative path from the srctree -KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) +KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) # ensure -fcf-protection is disabled when using retpoline as it is # incompatible with -mindirect-branch=thunk-extern @@ -982,6 +984,12 @@ ifeq ($(CONFIG_RELR),y) LDFLAGS_vmlinux += --pack-dyn-relocs=relr endif +# We never want expected sections to be placed heuristically by the +# linker. All sections should be explicitly named in the linker script. +ifdef CONFIG_LD_ORPHAN_WARN +LDFLAGS_vmlinux += --orphan-handling=warn +endif + # Align the bit size of userspace programs with the kernel KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) diff --git a/arch/Kconfig b/arch/Kconfig index 56b6ccc0e32d..ba4e966484ab 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1028,6 +1028,15 @@ config HAVE_STATIC_CALL_INLINE bool depends on HAVE_STATIC_CALL +config ARCH_WANT_LD_ORPHAN_WARN + bool + help + An arch should select this symbol once all linker sections are explicitly + included, size-asserted, or discarded in the linker scripts. This is + important because we never want expected sections to be placed heuristically + by the linker, since the locations of such sections can change between linker + versions. + source "kernel/gcov/Kconfig" source "scripts/gcc-plugins/Kconfig" diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fe2f17eb2b50..002e0cf025f5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -35,6 +35,7 @@ config ARM select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_IPC_PARSE_VERSION + select ARCH_WANT_LD_ORPHAN_WARN select BINFMT_FLAT_ARGVP_ENVP_ON_STACK select BUILDTIME_TABLE_SORT if MMU select CLONE_BACKWARDS diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 4d76eab2b22d..e15f76ca2887 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -16,10 +16,6 @@ LDFLAGS_vmlinux += --be8 KBUILD_LDFLAGS_MODULE += --be8 endif -# We never want expected sections to be placed heuristically by the -# linker. All sections should be explicitly named in the linker script. -LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) - GZFLAGS :=-9 #KBUILD_CFLAGS +=-pipe diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 47f001ca5499..e1567418a2b1 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -129,7 +129,9 @@ LDFLAGS_vmlinux += --no-undefined # Delete all temporary local symbols LDFLAGS_vmlinux += -X # Report orphan sections -LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) +ifdef CONFIG_LD_ORPHAN_WARN +LDFLAGS_vmlinux += --orphan-handling=warn +endif # Next argument is a linker script LDFLAGS_vmlinux += -T diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index 34793aabdb65..58df9fd79a76 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -81,7 +81,6 @@ CONFIG_PARTITION_ADVANCED=y CONFIG_BINFMT_MISC=y CONFIG_CMA=y CONFIG_ZSMALLOC=m -CONFIG_ZSMALLOC_PGTABLE_MAPPING=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index 144b9caa935c..a720259099ed 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -288,7 +288,7 @@ static struct gpiod_lookup_table osk_usb_gpio_table = { .dev_id = "ohci", .table = { /* Power GPIO on the I2C-attached TPS65010 */ - GPIO_LOOKUP("i2c-tps65010", 1, "power", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("tps65010", 0, "power", GPIO_ACTIVE_HIGH), GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent", GPIO_ACTIVE_HIGH), }, diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1515f6f153a0..a6b5b7ef40ae 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -81,6 +81,7 @@ config ARM64 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36) + select ARCH_WANT_LD_ORPHAN_WARN select ARCH_HAS_UBSAN_SANITIZE_ALL select ARM_AMBA select ARM_ARCH_TIMER diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 5789c2d18d43..6a87d592bd00 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -28,10 +28,6 @@ LDFLAGS_vmlinux += --fix-cortex-a53-843419 endif endif -# We never want expected sections to be placed heuristically by the -# linker. All sections should be explicitly named in the linker script. -LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) - ifeq ($(CONFIG_ARM64_USE_LSE_ATOMICS), y) ifneq ($(CONFIG_ARM64_LSE_ATOMICS), y) $(warning LSE atomics not supported by binutils) diff --git a/arch/arm64/include/asm/daifflags.h b/arch/arm64/include/asm/daifflags.h index ec213b4a1650..1c26d7baa67f 100644 --- a/arch/arm64/include/asm/daifflags.h +++ b/arch/arm64/include/asm/daifflags.h @@ -128,6 +128,9 @@ static inline void local_daif_inherit(struct pt_regs *regs) { unsigned long flags = regs->pstate & DAIF_MASK; + if (interrupts_enabled(regs)) + trace_hardirqs_on(); + /* * We can't use local_daif_restore(regs->pstate) here as * system_has_prio_mask_debugging() won't restore the I bit if it can diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h index 99b9383cd036..0756191f44f6 100644 --- a/arch/arm64/include/asm/exception.h +++ b/arch/arm64/include/asm/exception.h @@ -31,7 +31,12 @@ static inline u32 disr_to_esr(u64 disr) return esr; } +asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs); +asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs); asmlinkage void enter_from_user_mode(void); +asmlinkage void exit_to_user_mode(void); +void arm64_enter_nmi(struct pt_regs *regs); +void arm64_exit_nmi(struct pt_regs *regs); void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs); void do_undefinstr(struct pt_regs *regs); void do_bti(struct pt_regs *regs); diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 997cf8c8cd52..28c85b87b8cd 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -193,6 +193,10 @@ struct pt_regs { /* Only valid when ARM64_HAS_IRQ_PRIO_MASKING is enabled. */ u64 pmr_save; u64 stackframe[2]; + + /* Only valid for some EL1 exceptions. */ + u64 lockdep_hardirqs; + u64 exit_rcu; }; static inline bool in_syscall(struct pt_regs const *regs) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index e2ef4c2edf06..801861d05426 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -987,7 +987,7 @@ #define SYS_TFSR_EL1_TF0_SHIFT 0 #define SYS_TFSR_EL1_TF1_SHIFT 1 #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT) -#define SYS_TFSR_EL1_TF1 (UK(2) << SYS_TFSR_EL1_TF1_SHIFT) +#define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT) /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */ #define SYS_MPIDR_SAFE_VAL (BIT(31)) diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c index 43d4c329775f..70e0a7591245 100644 --- a/arch/arm64/kernel/entry-common.c +++ b/arch/arm64/kernel/entry-common.c @@ -17,40 +17,164 @@ #include <asm/mmu.h> #include <asm/sysreg.h> -static void notrace el1_abort(struct pt_regs *regs, unsigned long esr) +/* + * This is intended to match the logic in irqentry_enter(), handling the kernel + * mode transitions only. + */ +static void noinstr enter_from_kernel_mode(struct pt_regs *regs) +{ + regs->exit_rcu = false; + + if (!IS_ENABLED(CONFIG_TINY_RCU) && is_idle_task(current)) { + lockdep_hardirqs_off(CALLER_ADDR0); + rcu_irq_enter(); + trace_hardirqs_off_finish(); + + regs->exit_rcu = true; + return; + } + + lockdep_hardirqs_off(CALLER_ADDR0); + rcu_irq_enter_check_tick(); + trace_hardirqs_off_finish(); +} + +/* + * This is intended to match the logic in irqentry_exit(), handling the kernel + * mode transitions only, and with preemption handled elsewhere. + */ +static void noinstr exit_to_kernel_mode(struct pt_regs *regs) +{ + lockdep_assert_irqs_disabled(); + + if (interrupts_enabled(regs)) { + if (regs->exit_rcu) { + trace_hardirqs_on_prepare(); + lockdep_hardirqs_on_prepare(CALLER_ADDR0); + rcu_irq_exit(); + lockdep_hardirqs_on(CALLER_ADDR0); + return; + } + + trace_hardirqs_on(); + } else { + if (regs->exit_rcu) + rcu_irq_exit(); + } +} + +void noinstr arm64_enter_nmi(struct pt_regs *regs) +{ + regs->lockdep_hardirqs = lockdep_hardirqs_enabled(); + + __nmi_enter(); + lockdep_hardirqs_off(CALLER_ADDR0); + lockdep_hardirq_enter(); + rcu_nmi_enter(); + + trace_hardirqs_off_finish(); + ftrace_nmi_enter(); +} + +void noinstr arm64_exit_nmi(struct pt_regs *regs) +{ + bool restore = regs->lockdep_hardirqs; + + ftrace_nmi_exit(); + if (restore) { + trace_hardirqs_on_prepare(); + lockdep_hardirqs_on_prepare(CALLER_ADDR0); + } + + rcu_nmi_exit(); + lockdep_hardirq_exit(); + if (restore) + lockdep_hardirqs_on(CALLER_ADDR0); + __nmi_exit(); +} + +asmlinkage void noinstr enter_el1_irq_or_nmi(struct pt_regs *regs) +{ + if (IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && !interrupts_enabled(regs)) + arm64_enter_nmi(regs); + else + enter_from_kernel_mode(regs); +} + +asmlinkage void noinstr exit_el1_irq_or_nmi(struct pt_regs *regs) +{ + if (IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && !interrupts_enabled(regs)) + arm64_exit_nmi(regs); + else + exit_to_kernel_mode(regs); +} + +static void noinstr el1_abort(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); + enter_from_kernel_mode(regs); local_daif_inherit(regs); far = untagged_addr(far); do_mem_abort(far, esr, regs); + local_daif_mask(); + exit_to_kernel_mode(regs); } -NOKPROBE_SYMBOL(el1_abort); -static void notrace el1_pc(struct pt_regs *regs, unsigned long esr) +static void noinstr el1_pc(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); + enter_from_kernel_mode(regs); local_daif_inherit(regs); do_sp_pc_abort(far, esr, regs); + local_daif_mask(); + exit_to_kernel_mode(regs); } -NOKPROBE_SYMBOL(el1_pc); -static void notrace el1_undef(struct pt_regs *regs) +static void noinstr el1_undef(struct pt_regs *regs) { + enter_from_kernel_mode(regs); local_daif_inherit(regs); do_undefinstr(regs); + local_daif_mask(); + exit_to_kernel_mode(regs); } -NOKPROBE_SYMBOL(el1_undef); -static void notrace el1_inv(struct pt_regs *regs, unsigned long esr) +static void noinstr el1_inv(struct pt_regs *regs, unsigned long esr) { + enter_from_kernel_mode(regs); local_daif_inherit(regs); bad_mode(regs, 0, esr); + local_daif_mask(); + exit_to_kernel_mode(regs); } -NOKPROBE_SYMBOL(el1_inv); -static void notrace el1_dbg(struct pt_regs *regs, unsigned long esr) +static void noinstr arm64_enter_el1_dbg(struct pt_regs *regs) +{ + regs->lockdep_hardirqs = lockdep_hardirqs_enabled(); + + lockdep_hardirqs_off(CALLER_ADDR0); + rcu_nmi_enter(); + + trace_hardirqs_off_finish(); +} + +static void noinstr arm64_exit_el1_dbg(struct pt_regs *regs) +{ + bool restore = regs->lockdep_hardirqs; + + if (restore) { + trace_hardirqs_on_prepare(); + lockdep_hardirqs_on_prepare(CALLER_ADDR0); + } + + rcu_nmi_exit(); + if (restore) + lockdep_hardirqs_on(CALLER_ADDR0); +} + +static void noinstr el1_dbg(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); @@ -62,18 +186,21 @@ static void notrace el1_dbg(struct pt_regs *regs, unsigned long esr) if (system_uses_irq_prio_masking()) gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); + arm64_enter_el1_dbg(regs); do_debug_exception(far, esr, regs); + arm64_exit_el1_dbg(regs); } -NOKPROBE_SYMBOL(el1_dbg); -static void notrace el1_fpac(struct pt_regs *regs, unsigned long esr) +static void noinstr el1_fpac(struct pt_regs *regs, unsigned long esr) { + enter_from_kernel_mode(regs); local_daif_inherit(regs); do_ptrauth_fault(regs, esr); + local_daif_mask(); + exit_to_kernel_mode(regs); } -NOKPROBE_SYMBOL(el1_fpac); -asmlinkage void notrace el1_sync_handler(struct pt_regs *regs) +asmlinkage void noinstr el1_sync_handler(struct pt_regs *regs) { unsigned long esr = read_sysreg(esr_el1); @@ -106,20 +233,34 @@ asmlinkage void notrace el1_sync_handler(struct pt_regs *regs) el1_inv(regs, esr); } } -NOKPROBE_SYMBOL(el1_sync_handler); -static void notrace el0_da(struct pt_regs *regs, unsigned long esr) +asmlinkage void noinstr enter_from_user_mode(void) +{ + lockdep_hardirqs_off(CALLER_ADDR0); + CT_WARN_ON(ct_state() != CONTEXT_USER); + user_exit_irqoff(); + trace_hardirqs_off_finish(); +} + +asmlinkage void noinstr exit_to_user_mode(void) +{ + trace_hardirqs_on_prepare(); + lockdep_hardirqs_on_prepare(CALLER_ADDR0); + user_enter_irqoff(); + lockdep_hardirqs_on(CALLER_ADDR0); +} + +static void noinstr el0_da(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); far = untagged_addr(far); do_mem_abort(far, esr, regs); } -NOKPROBE_SYMBOL(el0_da); -static void notrace el0_ia(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_ia(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); @@ -131,90 +272,80 @@ static void notrace el0_ia(struct pt_regs *regs, unsigned long esr) if (!is_ttbr0_addr(far)) arm64_apply_bp_hardening(); - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_mem_abort(far, esr, regs); } -NOKPROBE_SYMBOL(el0_ia); -static void notrace el0_fpsimd_acc(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_fpsimd_acc(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_fpsimd_acc(esr, regs); } -NOKPROBE_SYMBOL(el0_fpsimd_acc); -static void notrace el0_sve_acc(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_sve_acc(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_sve_acc(esr, regs); } -NOKPROBE_SYMBOL(el0_sve_acc); -static void notrace el0_fpsimd_exc(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_fpsimd_exc(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_fpsimd_exc(esr, regs); } -NOKPROBE_SYMBOL(el0_fpsimd_exc); -static void notrace el0_sys(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_sys(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_sysinstr(esr, regs); } -NOKPROBE_SYMBOL(el0_sys); -static void notrace el0_pc(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_pc(struct pt_regs *regs, unsigned long esr) { unsigned long far = read_sysreg(far_el1); if (!is_ttbr0_addr(instruction_pointer(regs))) arm64_apply_bp_hardening(); - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_sp_pc_abort(far, esr, regs); } -NOKPROBE_SYMBOL(el0_pc); -static void notrace el0_sp(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_sp(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_sp_pc_abort(regs->sp, esr, regs); } -NOKPROBE_SYMBOL(el0_sp); -static void notrace el0_undef(struct pt_regs *regs) +static void noinstr el0_undef(struct pt_regs *regs) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_undefinstr(regs); } -NOKPROBE_SYMBOL(el0_undef); -static void notrace el0_bti(struct pt_regs *regs) +static void noinstr el0_bti(struct pt_regs *regs) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_bti(regs); } -NOKPROBE_SYMBOL(el0_bti); -static void notrace el0_inv(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_inv(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); bad_el0_sync(regs, 0, esr); } -NOKPROBE_SYMBOL(el0_inv); -static void notrace el0_dbg(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_dbg(struct pt_regs *regs, unsigned long esr) { /* Only watchpoints write FAR_EL1, otherwise its UNKNOWN */ unsigned long far = read_sysreg(far_el1); @@ -222,30 +353,28 @@ static void notrace el0_dbg(struct pt_regs *regs, unsigned long esr) if (system_uses_irq_prio_masking()) gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); - user_exit_irqoff(); + enter_from_user_mode(); do_debug_exception(far, esr, regs); local_daif_restore(DAIF_PROCCTX_NOIRQ); } -NOKPROBE_SYMBOL(el0_dbg); -static void notrace el0_svc(struct pt_regs *regs) +static void noinstr el0_svc(struct pt_regs *regs) { if (system_uses_irq_prio_masking()) gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); + enter_from_user_mode(); do_el0_svc(regs); } -NOKPROBE_SYMBOL(el0_svc); -static void notrace el0_fpac(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_fpac(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_ptrauth_fault(regs, esr); } -NOKPROBE_SYMBOL(el0_fpac); -asmlinkage void notrace el0_sync_handler(struct pt_regs *regs) +asmlinkage void noinstr el0_sync_handler(struct pt_regs *regs) { unsigned long esr = read_sysreg(esr_el1); @@ -297,27 +426,25 @@ asmlinkage void notrace el0_sync_handler(struct pt_regs *regs) el0_inv(regs, esr); } } -NOKPROBE_SYMBOL(el0_sync_handler); #ifdef CONFIG_COMPAT -static void notrace el0_cp15(struct pt_regs *regs, unsigned long esr) +static void noinstr el0_cp15(struct pt_regs *regs, unsigned long esr) { - user_exit_irqoff(); + enter_from_user_mode(); local_daif_restore(DAIF_PROCCTX); do_cp15instr(esr, regs); } -NOKPROBE_SYMBOL(el0_cp15); -static void notrace el0_svc_compat(struct pt_regs *regs) +static void noinstr el0_svc_compat(struct pt_regs *regs) { if (system_uses_irq_prio_masking()) gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET); + enter_from_user_mode(); do_el0_svc_compat(regs); } -NOKPROBE_SYMBOL(el0_svc_compat); -asmlinkage void notrace el0_sync_compat_handler(struct pt_regs *regs) +asmlinkage void noinstr el0_sync_compat_handler(struct pt_regs *regs) { unsigned long esr = read_sysreg(esr_el1); @@ -360,5 +487,4 @@ asmlinkage void notrace el0_sync_compat_handler(struct pt_regs *regs) el0_inv(regs, esr); } } -NOKPROBE_SYMBOL(el0_sync_compat_handler); #endif /* CONFIG_COMPAT */ diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index b295fb912b12..d72c818b019c 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -30,18 +30,18 @@ #include <asm/unistd.h> /* - * Context tracking subsystem. Used to instrument transitions - * between user and kernel mode. + * Context tracking and irqflag tracing need to instrument transitions between + * user and kernel mode. */ - .macro ct_user_exit_irqoff -#ifdef CONFIG_CONTEXT_TRACKING + .macro user_exit_irqoff +#if defined(CONFIG_CONTEXT_TRACKING) || defined(CONFIG_TRACE_IRQFLAGS) bl enter_from_user_mode #endif .endm - .macro ct_user_enter -#ifdef CONFIG_CONTEXT_TRACKING - bl context_tracking_user_enter + .macro user_enter_irqoff +#if defined(CONFIG_CONTEXT_TRACKING) || defined(CONFIG_TRACE_IRQFLAGS) + bl exit_to_user_mode #endif .endm @@ -298,9 +298,6 @@ alternative_if ARM64_HAS_IRQ_PRIO_MASKING alternative_else_nop_endif ldp x21, x22, [sp, #S_PC] // load ELR, SPSR - .if \el == 0 - ct_user_enter - .endif #ifdef CONFIG_ARM64_SW_TTBR0_PAN alternative_if_not ARM64_HAS_PAN @@ -637,16 +634,8 @@ SYM_CODE_START_LOCAL_NOALIGN(el1_irq) gic_prio_irq_setup pmr=x20, tmp=x1 enable_da_f -#ifdef CONFIG_ARM64_PSEUDO_NMI - test_irqs_unmasked res=x0, pmr=x20 - cbz x0, 1f - bl asm_nmi_enter -1: -#endif - -#ifdef CONFIG_TRACE_IRQFLAGS - bl trace_hardirqs_off -#endif + mov x0, sp + bl enter_el1_irq_or_nmi irq_handler @@ -665,26 +654,8 @@ alternative_else_nop_endif 1: #endif -#ifdef CONFIG_ARM64_PSEUDO_NMI - /* - * When using IRQ priority masking, we can get spurious interrupts while - * PMR is set to GIC_PRIO_IRQOFF. An NMI might also have occurred in a - * section with interrupts disabled. Skip tracing in those cases. - */ - test_irqs_unmasked res=x0, pmr=x20 - cbz x0, 1f - bl asm_nmi_exit -1: -#endif - -#ifdef CONFIG_TRACE_IRQFLAGS -#ifdef CONFIG_ARM64_PSEUDO_NMI - test_irqs_unmasked res=x0, pmr=x20 - cbnz x0, 1f -#endif - bl trace_hardirqs_on -1: -#endif + mov x0, sp + bl exit_el1_irq_or_nmi kernel_exit 1 SYM_CODE_END(el1_irq) @@ -726,21 +697,14 @@ SYM_CODE_START_LOCAL_NOALIGN(el0_irq) kernel_entry 0 el0_irq_naked: gic_prio_irq_setup pmr=x20, tmp=x0 - ct_user_exit_irqoff + user_exit_irqoff enable_da_f -#ifdef CONFIG_TRACE_IRQFLAGS - bl trace_hardirqs_off -#endif - tbz x22, #55, 1f bl do_el0_irq_bp_hardening 1: irq_handler -#ifdef CONFIG_TRACE_IRQFLAGS - bl trace_hardirqs_on -#endif b ret_to_user SYM_CODE_END(el0_irq) @@ -759,7 +723,7 @@ SYM_CODE_START_LOCAL(el0_error) el0_error_naked: mrs x25, esr_el1 gic_prio_kentry_setup tmp=x2 - ct_user_exit_irqoff + user_exit_irqoff enable_dbg mov x0, sp mov x1, x25 @@ -774,13 +738,17 @@ SYM_CODE_END(el0_error) SYM_CODE_START_LOCAL(ret_to_user) disable_daif gic_prio_kentry_setup tmp=x3 - ldr x1, [tsk, #TSK_TI_FLAGS] - and x2, x1, #_TIF_WORK_MASK +#ifdef CONFIG_TRACE_IRQFLAGS + bl trace_hardirqs_off +#endif + ldr x19, [tsk, #TSK_TI_FLAGS] + and x2, x19, #_TIF_WORK_MASK cbnz x2, work_pending finish_ret_to_user: + user_enter_irqoff /* Ignore asynchronous tag check faults in the uaccess routines */ clear_mte_async_tcf - enable_step_tsk x1, x2 + enable_step_tsk x19, x2 #ifdef CONFIG_GCC_PLUGIN_STACKLEAK bl stackleak_erase #endif @@ -791,11 +759,9 @@ finish_ret_to_user: */ work_pending: mov x0, sp // 'regs' + mov x1, x19 bl do_notify_resume -#ifdef CONFIG_TRACE_IRQFLAGS - bl trace_hardirqs_on // enabled while in userspace -#endif - ldr x1, [tsk, #TSK_TI_FLAGS] // re-check for single-step + ldr x19, [tsk, #TSK_TI_FLAGS] // re-check for single-step b finish_ret_to_user SYM_CODE_END(ret_to_user) diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 9cf2fb87584a..60456a62da11 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -67,18 +67,3 @@ void __init init_IRQ(void) local_daif_restore(DAIF_PROCCTX_NOIRQ); } } - -/* - * Stubs to make nmi_enter/exit() code callable from ASM - */ -asmlinkage void notrace asm_nmi_enter(void) -{ - nmi_enter(); -} -NOKPROBE_SYMBOL(asm_nmi_enter); - -asmlinkage void notrace asm_nmi_exit(void) -{ - nmi_exit(); -} -NOKPROBE_SYMBOL(asm_nmi_exit); diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 7697a4b48b7c..ed919f633ed8 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -72,13 +72,13 @@ EXPORT_SYMBOL_GPL(pm_power_off); void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd); -static void __cpu_do_idle(void) +static void noinstr __cpu_do_idle(void) { dsb(sy); wfi(); } -static void __cpu_do_idle_irqprio(void) +static void noinstr __cpu_do_idle_irqprio(void) { unsigned long pmr; unsigned long daif_bits; @@ -108,7 +108,7 @@ static void __cpu_do_idle_irqprio(void) * ensure that interrupts are not masked at the PMR (because the core will * not wake up if we block the wake up signal in the interrupt controller). */ -void cpu_do_idle(void) +void noinstr cpu_do_idle(void) { if (system_uses_irq_prio_masking()) __cpu_do_idle_irqprio(); @@ -119,7 +119,7 @@ void cpu_do_idle(void) /* * This is our default idle handler. */ -void arch_cpu_idle(void) +void noinstr arch_cpu_idle(void) { /* * This should do all the clock switching and wait for interrupt diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c index 7689f2031c0c..793c46d6a447 100644 --- a/arch/arm64/kernel/sdei.c +++ b/arch/arm64/kernel/sdei.c @@ -10,6 +10,7 @@ #include <linux/uaccess.h> #include <asm/alternative.h> +#include <asm/exception.h> #include <asm/kprobes.h> #include <asm/mmu.h> #include <asm/ptrace.h> @@ -223,16 +224,16 @@ static __kprobes unsigned long _sdei_handler(struct pt_regs *regs, } -asmlinkage __kprobes notrace unsigned long +asmlinkage noinstr unsigned long __sdei_handler(struct pt_regs *regs, struct sdei_registered_event *arg) { unsigned long ret; - nmi_enter(); + arm64_enter_nmi(regs); ret = _sdei_handler(regs, arg); - nmi_exit(); + arm64_exit_nmi(regs); return ret; } diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c index e4c0dadf0d92..f8f758e4a306 100644 --- a/arch/arm64/kernel/syscall.c +++ b/arch/arm64/kernel/syscall.c @@ -121,7 +121,6 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr, cortex_a76_erratum_1463225_svc_handler(); local_daif_restore(DAIF_PROCCTX); - user_exit(); if (system_supports_mte() && (flags & _TIF_MTE_ASYNC_FAULT)) { /* diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 8af4e0e85736..2059d8f43f55 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -34,6 +34,7 @@ #include <asm/daifflags.h> #include <asm/debug-monitors.h> #include <asm/esr.h> +#include <asm/exception.h> #include <asm/extable.h> #include <asm/insn.h> #include <asm/kprobes.h> @@ -753,8 +754,10 @@ const char *esr_get_class_string(u32 esr) * bad_mode handles the impossible case in the exception vector. This is always * fatal. */ -asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr) +asmlinkage void notrace bad_mode(struct pt_regs *regs, int reason, unsigned int esr) { + arm64_enter_nmi(regs); + console_verbose(); pr_crit("Bad mode in %s handler detected on CPU%d, code 0x%08x -- %s\n", @@ -786,7 +789,7 @@ void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr) DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack) __aligned(16); -asmlinkage void handle_bad_stack(struct pt_regs *regs) +asmlinkage void noinstr handle_bad_stack(struct pt_regs *regs) { unsigned long tsk_stk = (unsigned long)current->stack; unsigned long irq_stk = (unsigned long)this_cpu_read(irq_stack_ptr); @@ -794,6 +797,8 @@ asmlinkage void handle_bad_stack(struct pt_regs *regs) unsigned int esr = read_sysreg(esr_el1); unsigned long far = read_sysreg(far_el1); + arm64_enter_nmi(regs); + console_verbose(); pr_emerg("Insufficient stack space to handle exception!"); @@ -865,23 +870,16 @@ bool arm64_is_fatal_ras_serror(struct pt_regs *regs, unsigned int esr) } } -asmlinkage void do_serror(struct pt_regs *regs, unsigned int esr) +asmlinkage void noinstr do_serror(struct pt_regs *regs, unsigned int esr) { - nmi_enter(); + arm64_enter_nmi(regs); /* non-RAS errors are not containable */ if (!arm64_is_ras_serror(esr) || arm64_is_fatal_ras_serror(regs, esr)) arm64_serror_panic(regs, esr); - nmi_exit(); -} - -asmlinkage void enter_from_user_mode(void) -{ - CT_WARN_ON(ct_state() != CONTEXT_USER); - user_exit_irqoff(); + arm64_exit_nmi(regs); } -NOKPROBE_SYMBOL(enter_from_user_mode); /* GENERIC_BUG traps */ diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 1ee94002801f..795d224f184f 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -789,25 +789,6 @@ void __init hook_debug_fault_code(int nr, */ static void debug_exception_enter(struct pt_regs *regs) { - /* - * Tell lockdep we disabled irqs in entry.S. Do nothing if they were - * already disabled to preserve the last enabled/disabled addresses. - */ - if (interrupts_enabled(regs)) - trace_hardirqs_off(); - - if (user_mode(regs)) { - RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU"); - } else { - /* - * We might have interrupted pretty much anything. In - * fact, if we're a debug exception, we can even interrupt - * NMI processing. We don't want this code makes in_nmi() - * to return true, but we need to notify RCU. - */ - rcu_nmi_enter(); - } - preempt_disable(); /* This code is a bit fragile. Test it. */ @@ -818,12 +799,6 @@ NOKPROBE_SYMBOL(debug_exception_enter); static void debug_exception_exit(struct pt_regs *regs) { preempt_enable_no_resched(); - - if (!user_mode(regs)) - rcu_nmi_exit(); - - if (interrupts_enabled(regs)) - trace_hardirqs_on(); } NOKPROBE_SYMBOL(debug_exception_exit); diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index e9f13fe08492..5181872f9452 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -152,6 +152,7 @@ config PPC select ARCH_USE_QUEUED_SPINLOCKS if PPC_QUEUED_SPINLOCKS select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_IRQS_OFF_ACTIVATE_MM + select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WEAK_RELEASE_ACQUIRE select BINFMT_ELF select BUILDTIME_TABLE_SORT diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 16b8336f91dd..5c8c06215dd4 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -123,7 +123,6 @@ endif LDFLAGS_vmlinux-y := -Bstatic LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) -LDFLAGS_vmlinux += $(call ld-option,--orphan-handling=warn) ifdef CONFIG_PPC64 ifeq ($(call cc-option-yn,-mcmodel=medium),y) diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index e0b52940e43c..750918451dd2 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -242,6 +242,18 @@ extern void radix_init_pseries(void); static inline void radix_init_pseries(void) { }; #endif +#ifdef CONFIG_HOTPLUG_CPU +#define arch_clear_mm_cpumask_cpu(cpu, mm) \ + do { \ + if (cpumask_test_cpu(cpu, mm_cpumask(mm))) { \ + atomic_dec(&(mm)->context.active_cpus); \ + cpumask_clear_cpu(cpu, mm_cpumask(mm)); \ + } \ + } while (0) + +void cleanup_cpu_mmu_context(void); +#endif + static inline int get_user_context(mm_context_t *ctx, unsigned long ea) { int index = ea >> MAX_EA_BITS_PER_CONTEXT; diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 85215e79db42..a0ebc29f30b2 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -1214,12 +1214,9 @@ void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) static bool kvmppc_xive_vcpu_id_valid(struct kvmppc_xive *xive, u32 cpu) { /* We have a block of xive->nr_servers VPs. We just need to check - * raw vCPU ids are below the expected limit for this guest's - * core stride ; kvmppc_pack_vcpu_id() will pack them down to an - * index that can be safely used to compute a VP id that belongs - * to the VP block. + * packed vCPU ids are below that. */ - return cpu < xive->nr_servers * xive->kvm->arch.emul_smt_mode; + return kvmppc_pack_vcpu_id(xive->kvm, cpu) < xive->nr_servers; } int kvmppc_xive_compute_vp_id(struct kvmppc_xive *xive, u32 cpu, u32 *vp) diff --git a/arch/powerpc/mm/book3s64/hash_native.c b/arch/powerpc/mm/book3s64/hash_native.c index 0203cdf48c54..52e170bd95ae 100644 --- a/arch/powerpc/mm/book3s64/hash_native.c +++ b/arch/powerpc/mm/book3s64/hash_native.c @@ -68,7 +68,7 @@ static __always_inline void tlbiel_hash_set_isa300(unsigned int set, unsigned in rs = ((unsigned long)pid << PPC_BITLSHIFT(31)); asm volatile(PPC_TLBIEL(%0, %1, %2, %3, %4) - : : "r"(rb), "r"(rs), "i"(ric), "i"(prs), "r"(r) + : : "r"(rb), "r"(rs), "i"(ric), "i"(prs), "i"(r) : "memory"); } @@ -92,16 +92,15 @@ static void tlbiel_all_isa300(unsigned int num_sets, unsigned int is) asm volatile("ptesync": : :"memory"); /* - * Flush the first set of the TLB, and any caching of partition table - * entries. Then flush the remaining sets of the TLB. Hash mode uses - * partition scoped TLB translations. + * Flush the partition table cache if this is HV mode. */ - tlbiel_hash_set_isa300(0, is, 0, 2, 0); - for (set = 1; set < num_sets; set++) - tlbiel_hash_set_isa300(set, is, 0, 0, 0); + if (early_cpu_has_feature(CPU_FTR_HVMODE)) + tlbiel_hash_set_isa300(0, is, 0, 2, 0); /* - * Now invalidate the process table cache. + * Now invalidate the process table cache. UPRT=0 HPT modes (what + * current hardware implements) do not use the process table, but + * add the flushes anyway. * * From ISA v3.0B p. 1078: * The following forms are invalid. @@ -110,6 +109,14 @@ static void tlbiel_all_isa300(unsigned int num_sets, unsigned int is) */ tlbiel_hash_set_isa300(0, is, 0, 2, 1); + /* + * Then flush the sets of the TLB proper. Hash mode uses + * partition scoped TLB translations, which may be flushed + * in !HV mode. + */ + for (set = 0; set < num_sets; set++) + tlbiel_hash_set_isa300(set, is, 0, 0, 0); + ppc_after_tlbiel_barrier(); asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT "; isync" : : :"memory"); diff --git a/arch/powerpc/mm/book3s64/mmu_context.c b/arch/powerpc/mm/book3s64/mmu_context.c index 1c54821de7bf..0c8557220ae2 100644 --- a/arch/powerpc/mm/book3s64/mmu_context.c +++ b/arch/powerpc/mm/book3s64/mmu_context.c @@ -17,6 +17,7 @@ #include <linux/export.h> #include <linux/gfp.h> #include <linux/slab.h> +#include <linux/cpu.h> #include <asm/mmu_context.h> #include <asm/pgalloc.h> @@ -307,3 +308,22 @@ void radix__switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) isync(); } #endif + +/** + * cleanup_cpu_mmu_context - Clean up MMU details for this CPU (newly offlined) + * + * This clears the CPU from mm_cpumask for all processes, and then flushes the + * local TLB to ensure TLB coherency in case the CPU is onlined again. + * + * KVM guest translations are not necessarily flushed here. If KVM started + * using mm_cpumask or the Linux APIs which do, this would have to be resolved. + */ +#ifdef CONFIG_HOTPLUG_CPU +void cleanup_cpu_mmu_context(void) +{ + int cpu = smp_processor_id(); + + clear_tasks_mm_cpumask(cpu); + tlbiel_all(); +} +#endif diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 63f61d8b55e5..f2bf98bdcea2 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -742,8 +742,7 @@ static int __init parse_numa_properties(void) of_node_put(cpu); } - if (likely(nid > 0)) - node_set_online(nid); + node_set_online(nid); } get_n_mem_cells(&n_mem_addr_cells, &n_mem_size_cells); diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 74ebe664b016..adae2a6712e1 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -911,6 +911,8 @@ static int smp_core99_cpu_disable(void) mpic_cpu_set_priority(0xf); + cleanup_cpu_mmu_context(); + return 0; } diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 46115231a3b2..4426a109ec2f 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -211,11 +211,16 @@ static void __init pnv_init(void) add_preferred_console("hvc", 0, NULL); if (!radix_enabled()) { + size_t size = sizeof(struct slb_entry) * mmu_slb_size; int i; /* Allocate per cpu area to save old slb contents during MCE */ - for_each_possible_cpu(i) - paca_ptrs[i]->mce_faulty_slbs = memblock_alloc_node(mmu_slb_size, __alignof__(*paca_ptrs[i]->mce_faulty_slbs), cpu_to_node(i)); + for_each_possible_cpu(i) { + paca_ptrs[i]->mce_faulty_slbs = + memblock_alloc_node(size, + __alignof__(struct slb_entry), + cpu_to_node(i)); + } } } diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 54c4ba45c7ce..cbb67813cd5d 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -143,6 +143,9 @@ static int pnv_smp_cpu_disable(void) xive_smp_disable_cpu(); else xics_migrate_irqs_away(); + + cleanup_cpu_mmu_context(); + return 0; } diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index f2837e33bf5d..a02012f1b04a 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -90,6 +90,9 @@ static int pseries_cpu_disable(void) xive_smp_disable_cpu(); else xics_migrate_irqs_away(); + + cleanup_cpu_mmu_context(); + return 0; } diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 133f6adcb39c..b3ac2455faad 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -458,7 +458,8 @@ again: return hwirq; } - virq = irq_create_mapping(NULL, hwirq); + virq = irq_create_mapping_affinity(NULL, hwirq, + entry->affinity); if (!virq) { pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq); diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 26bb0603c5a1..92beb1444644 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -763,12 +763,7 @@ ENTRY(io_int_handler) xc __PT_FLAGS(8,%r11),__PT_FLAGS(%r11) TSTMSK __LC_CPU_FLAGS,_CIF_IGNORE_IRQ jo .Lio_restore -#if IS_ENABLED(CONFIG_TRACE_IRQFLAGS) - tmhh %r8,0x300 - jz 1f TRACE_IRQS_OFF -1: -#endif xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) .Lio_loop: lgr %r2,%r11 # pass pointer to pt_regs @@ -791,12 +786,7 @@ ENTRY(io_int_handler) TSTMSK __LC_CPU_FLAGS,_CIF_WORK jnz .Lio_work .Lio_restore: -#if IS_ENABLED(CONFIG_TRACE_IRQFLAGS) - tm __PT_PSW(%r11),3 - jno 0f TRACE_IRQS_ON -0: -#endif mvc __LC_RETURN_PSW(16),__PT_PSW(%r11) tm __PT_PSW+1(%r11),0x01 # returning to user ? jno .Lio_exit_kernel @@ -976,12 +966,7 @@ ENTRY(ext_int_handler) xc __PT_FLAGS(8,%r11),__PT_FLAGS(%r11) TSTMSK __LC_CPU_FLAGS,_CIF_IGNORE_IRQ jo .Lio_restore -#if IS_ENABLED(CONFIG_TRACE_IRQFLAGS) - tmhh %r8,0x300 - jz 1f TRACE_IRQS_OFF -1: -#endif xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) lgr %r2,%r11 # pass pointer to pt_regs lghi %r3,EXT_INTERRUPT diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index daca7bad66de..8c0c68e7770e 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -33,7 +33,7 @@ EXPORT_SYMBOL(__delay); static void __udelay_disabled(unsigned long long usecs) { - unsigned long cr0, cr0_new, psw_mask, flags; + unsigned long cr0, cr0_new, psw_mask; struct s390_idle_data idle; u64 end; @@ -45,9 +45,8 @@ static void __udelay_disabled(unsigned long long usecs) psw_mask = __extract_psw() | PSW_MASK_EXT | PSW_MASK_WAIT; set_clock_comparator(end); set_cpu_flag(CIF_IGNORE_IRQ); - local_irq_save(flags); psw_idle(&idle, psw_mask); - local_irq_restore(flags); + trace_hardirqs_off(); clear_cpu_flag(CIF_IGNORE_IRQ); set_clock_comparator(S390_lowcore.clock_comparator); __ctl_load(cr0, 0, 0); diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c index 743f257cf2cb..75217fb63d7b 100644 --- a/arch/s390/pci/pci_irq.c +++ b/arch/s390/pci/pci_irq.c @@ -103,9 +103,10 @@ static int zpci_set_irq_affinity(struct irq_data *data, const struct cpumask *de { struct msi_desc *entry = irq_get_msi_desc(data->irq); struct msi_msg msg = entry->msg; + int cpu_addr = smp_cpu_get_cpu_address(cpumask_first(dest)); msg.address_lo &= 0xff0000ff; - msg.address_lo |= (cpumask_first(dest) << 8); + msg.address_lo |= (cpu_addr << 8); pci_write_msi_msg(data->irq, &msg); return IRQ_SET_MASK_OK; @@ -238,6 +239,7 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) unsigned long bit; struct msi_desc *msi; struct msi_msg msg; + int cpu_addr; int rc, irq; zdev->aisb = -1UL; @@ -287,9 +289,15 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) handle_percpu_irq); msg.data = hwirq - bit; if (irq_delivery == DIRECTED) { + if (msi->affinity) + cpu = cpumask_first(&msi->affinity->mask); + else + cpu = 0; + cpu_addr = smp_cpu_get_cpu_address(cpu); + msg.address_lo = zdev->msi_addr & 0xff0000ff; - msg.address_lo |= msi->affinity ? - (cpumask_first(&msi->affinity->mask) << 8) : 0; + msg.address_lo |= (cpu_addr << 8); + for_each_possible_cpu(cpu) { airq_iv_set_data(zpci_ibv[cpu], hwirq, irq); } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f6946b81f74a..fbf26e0f7a6a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -100,6 +100,7 @@ config X86 select ARCH_WANT_DEFAULT_BPF_JIT if X86_64 select ARCH_WANTS_DYNAMIC_TASK_STRUCT select ARCH_WANT_HUGE_PMD_SHARE + select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANTS_THP_SWAP if X86_64 select BUILDTIME_TABLE_SORT select CLKEVT_I8253 diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 154259f18b8b..1bf21746f4ce 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -209,9 +209,6 @@ ifdef CONFIG_X86_64 LDFLAGS_vmlinux += -z max-page-size=0x200000 endif -# We never want expected sections to be placed heuristically by the -# linker. All sections should be explicitly named in the linker script. -LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) archscripts: scripts_basic $(Q)$(MAKE) $(build)=arch/x86/tools relocs diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index ee249088cbfe..40b8fd375d52 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -61,7 +61,9 @@ KBUILD_LDFLAGS += $(call ld-option,--no-ld-generated-unwind-info) # Compressed kernel should be built as PIE since it may be loaded at any # address by the bootloader. LDFLAGS_vmlinux := -pie $(call ld-option, --no-dynamic-linker) -LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) +ifdef CONFIG_LD_ORPHAN_WARN +LDFLAGS_vmlinux += --orphan-handling=warn +endif LDFLAGS_vmlinux += -T hostprogs := mkpiggy diff --git a/arch/x86/boot/compressed/sev-es.c b/arch/x86/boot/compressed/sev-es.c index 954cb2702e23..27826c265aab 100644 --- a/arch/x86/boot/compressed/sev-es.c +++ b/arch/x86/boot/compressed/sev-es.c @@ -32,13 +32,12 @@ struct ghcb *boot_ghcb; */ static bool insn_has_rep_prefix(struct insn *insn) { + insn_byte_t p; int i; insn_get_prefixes(insn); - for (i = 0; i < insn->prefixes.nbytes; i++) { - insn_byte_t p = insn->prefixes.bytes[i]; - + for_each_insn_prefix(insn, i, p) { if (p == 0xf2 || p == 0xf3) return true; } diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index b47cc4226934..485c5066f8b8 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -1916,7 +1916,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d * that caused the PEBS record. It's called collision. * If collision happened, the record will be dropped. */ - if (p->status != (1ULL << bit)) { + if (pebs_status != (1ULL << bit)) { for_each_set_bit(i, (unsigned long *)&pebs_status, size) error[i]++; continue; @@ -1940,7 +1940,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs, struct perf_sample_d if (error[bit]) { perf_log_lost_samples(event, error[bit]); - if (perf_event_account_interrupt(event)) + if (iregs && perf_event_account_interrupt(event)) x86_pmu_stop(event, 0); } diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h index 5c1ae3eff9d4..a8c3d284fa46 100644 --- a/arch/x86/include/asm/insn.h +++ b/arch/x86/include/asm/insn.h @@ -201,6 +201,21 @@ static inline int insn_offset_immediate(struct insn *insn) return insn_offset_displacement(insn) + insn->displacement.nbytes; } +/** + * for_each_insn_prefix() -- Iterate prefixes in the instruction + * @insn: Pointer to struct insn. + * @idx: Index storage. + * @prefix: Prefix byte. + * + * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix + * and the index is stored in @idx (note that this @idx is just for a cursor, + * do not change it.) + * Since prefixes.nbytes can be bigger than 4 if some prefixes + * are repeated, it cannot be used for looping over the prefixes. + */ +#define for_each_insn_prefix(insn, idx, prefix) \ + for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) + #define POP_SS_OPCODE 0x1f #define MOV_SREG_OPCODE 0x8e diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 1b98f8c12b96..235f5cde06fc 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -161,7 +161,7 @@ static int __init early_set_hub_type(void) /* UV4/4A only have a revision difference */ case UV4_HUB_PART_NUMBER: uv_min_hub_revision_id = node_id.s.revision - + UV4_HUB_REVISION_BASE; + + UV4_HUB_REVISION_BASE - 1; uv_hub_type_set(UV4); if (uv_min_hub_revision_id == UV4A_HUB_REVISION_BASE) uv_hub_type_set(UV4|UV4A); diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index e5f4ee8f4c3b..e8b5f1cf1ae8 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -570,6 +570,8 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) if (d) { cpumask_set_cpu(cpu, &d->cpu_mask); + if (r->cache.arch_has_per_cpu_cfg) + rdt_domain_reconfigure_cdp(r); return; } @@ -923,6 +925,7 @@ static __init void rdt_init_res_defs_intel(void) r->rid == RDT_RESOURCE_L2CODE) { r->cache.arch_has_sparse_bitmaps = false; r->cache.arch_has_empty_bitmaps = false; + r->cache.arch_has_per_cpu_cfg = false; } else if (r->rid == RDT_RESOURCE_MBA) { r->msr_base = MSR_IA32_MBA_THRTL_BASE; r->msr_update = mba_wrmsr_intel; @@ -943,6 +946,7 @@ static __init void rdt_init_res_defs_amd(void) r->rid == RDT_RESOURCE_L2CODE) { r->cache.arch_has_sparse_bitmaps = true; r->cache.arch_has_empty_bitmaps = true; + r->cache.arch_has_per_cpu_cfg = true; } else if (r->rid == RDT_RESOURCE_MBA) { r->msr_base = MSR_IA32_MBA_BW_BASE; r->msr_update = mba_wrmsr_amd; diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h index 80fa997fae60..f65d3c0dbc41 100644 --- a/arch/x86/kernel/cpu/resctrl/internal.h +++ b/arch/x86/kernel/cpu/resctrl/internal.h @@ -360,6 +360,8 @@ struct msr_param { * executing entities * @arch_has_sparse_bitmaps: True if a bitmap like f00f is valid. * @arch_has_empty_bitmaps: True if the '0' bitmap is valid. + * @arch_has_per_cpu_cfg: True if QOS_CFG register for this cache + * level has CPU scope. */ struct rdt_cache { unsigned int cbm_len; @@ -369,6 +371,7 @@ struct rdt_cache { unsigned int shareable_bits; bool arch_has_sparse_bitmaps; bool arch_has_empty_bitmaps; + bool arch_has_per_cpu_cfg; }; /** diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 6f4ca4bea625..f3418428682b 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -1909,8 +1909,13 @@ static int set_cache_qos_cfg(int level, bool enable) r_l = &rdt_resources_all[level]; list_for_each_entry(d, &r_l->domains, list) { - /* Pick one CPU from each domain instance to update MSR */ - cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask); + if (r_l->cache.arch_has_per_cpu_cfg) + /* Pick all the CPUs in the domain instance */ + for_each_cpu(cpu, &d->cpu_mask) + cpumask_set_cpu(cpu, cpu_mask); + else + /* Pick one CPU from each domain instance to update MSR */ + cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask); } cpu = get_cpu(); /* Update QOS_CFG MSR on this cpu if it's in cpu_mask. */ diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index 3fdaa042823d..138bdb1fd136 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -255,12 +255,13 @@ static volatile u32 good_2byte_insns[256 / 32] = { static bool is_prefix_bad(struct insn *insn) { + insn_byte_t p; int i; - for (i = 0; i < insn->prefixes.nbytes; i++) { + for_each_insn_prefix(insn, i, p) { insn_attr_t attr; - attr = inat_get_opcode_attribute(insn->prefixes.bytes[i]); + attr = inat_get_opcode_attribute(p); switch (attr) { case INAT_MAKE_PREFIX(INAT_PFX_ES): case INAT_MAKE_PREFIX(INAT_PFX_CS): @@ -715,6 +716,7 @@ static const struct uprobe_xol_ops push_xol_ops = { static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn) { u8 opc1 = OPCODE1(insn); + insn_byte_t p; int i; switch (opc1) { @@ -746,8 +748,8 @@ static int branch_setup_xol_ops(struct arch_uprobe *auprobe, struct insn *insn) * Intel and AMD behavior differ in 64-bit mode: Intel ignores 66 prefix. * No one uses these insns, reject any branch insns with such prefix. */ - for (i = 0; i < insn->prefixes.nbytes; i++) { - if (insn->prefixes.bytes[i] == 0x66) + for_each_insn_prefix(insn, i, p) { + if (p == 0x66) return -ENOTSUPP; } diff --git a/arch/x86/lib/insn-eval.c b/arch/x86/lib/insn-eval.c index 58f7fb95c7f4..4229950a5d78 100644 --- a/arch/x86/lib/insn-eval.c +++ b/arch/x86/lib/insn-eval.c @@ -63,13 +63,12 @@ static bool is_string_insn(struct insn *insn) */ bool insn_has_rep_prefix(struct insn *insn) { + insn_byte_t p; int i; insn_get_prefixes(insn); - for (i = 0; i < insn->prefixes.nbytes; i++) { - insn_byte_t p = insn->prefixes.bytes[i]; - + for_each_insn_prefix(insn, i, p) { if (p == 0xf2 || p == 0xf3) return true; } @@ -95,14 +94,15 @@ static int get_seg_reg_override_idx(struct insn *insn) { int idx = INAT_SEG_REG_DEFAULT; int num_overrides = 0, i; + insn_byte_t p; insn_get_prefixes(insn); /* Look for any segment override prefixes. */ - for (i = 0; i < insn->prefixes.nbytes; i++) { + for_each_insn_prefix(insn, i, p) { insn_attr_t attr; - attr = inat_get_opcode_attribute(insn->prefixes.bytes[i]); + attr = inat_get_opcode_attribute(p); switch (attr) { case INAT_MAKE_PREFIX(INAT_PFX_CS): idx = INAT_SEG_REG_CS; diff --git a/block/blk-merge.c b/block/blk-merge.c index bcf5e4580603..97b7c2821565 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -144,7 +144,7 @@ static struct bio *blk_bio_write_same_split(struct request_queue *q, static inline unsigned get_max_io_size(struct request_queue *q, struct bio *bio) { - unsigned sectors = blk_max_size_offset(q, bio->bi_iter.bi_sector); + unsigned sectors = blk_max_size_offset(q, bio->bi_iter.bi_sector, 0); unsigned max_sectors = sectors; unsigned pbs = queue_physical_block_size(q) >> SECTOR_SHIFT; unsigned lbs = queue_logical_block_size(q) >> SECTOR_SHIFT; diff --git a/block/blk-settings.c b/block/blk-settings.c index 9741d1d83e98..659cdb8a07fe 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -547,7 +547,10 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->io_min = max(t->io_min, b->io_min); t->io_opt = lcm_not_zero(t->io_opt, b->io_opt); - t->chunk_sectors = lcm_not_zero(t->chunk_sectors, b->chunk_sectors); + + /* Set non-power-of-2 compatible chunk_sectors boundary */ + if (b->chunk_sectors) + t->chunk_sectors = gcd(t->chunk_sectors, b->chunk_sectors); /* Physical block size a multiple of the logical block size? */ if (t->physical_block_size & (t->logical_block_size - 1)) { diff --git a/drivers/Makefile b/drivers/Makefile index c0cd1b9075e3..576228037718 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -145,6 +145,7 @@ obj-$(CONFIG_OF) += of/ obj-$(CONFIG_SSB) += ssb/ obj-$(CONFIG_BCMA) += bcma/ obj-$(CONFIG_VHOST_RING) += vhost/ +obj-$(CONFIG_VHOST_IOTLB) += vhost/ obj-$(CONFIG_VHOST) += vhost/ obj-$(CONFIG_VLYNQ) += vlynq/ obj-$(CONFIG_GREYBUS) += greybus/ diff --git a/drivers/accessibility/speakup/spk_ttyio.c b/drivers/accessibility/speakup/spk_ttyio.c index 669392f31d4e..6284aff434a1 100644 --- a/drivers/accessibility/speakup/spk_ttyio.c +++ b/drivers/accessibility/speakup/spk_ttyio.c @@ -47,27 +47,20 @@ static int spk_ttyio_ldisc_open(struct tty_struct *tty) { struct spk_ldisc_data *ldisc_data; + if (tty != speakup_tty) + /* Somebody tried to use this line discipline outside speakup */ + return -ENODEV; + if (!tty->ops->write) return -EOPNOTSUPP; - mutex_lock(&speakup_tty_mutex); - if (speakup_tty) { - mutex_unlock(&speakup_tty_mutex); - return -EBUSY; - } - speakup_tty = tty; - ldisc_data = kmalloc(sizeof(*ldisc_data), GFP_KERNEL); - if (!ldisc_data) { - speakup_tty = NULL; - mutex_unlock(&speakup_tty_mutex); + if (!ldisc_data) return -ENOMEM; - } init_completion(&ldisc_data->completion); ldisc_data->buf_free = true; - speakup_tty->disc_data = ldisc_data; - mutex_unlock(&speakup_tty_mutex); + tty->disc_data = ldisc_data; return 0; } @@ -191,9 +184,25 @@ static int spk_ttyio_initialise_ldisc(struct spk_synth *synth) tty_unlock(tty); + mutex_lock(&speakup_tty_mutex); + speakup_tty = tty; ret = tty_set_ldisc(tty, N_SPEAKUP); if (ret) - pr_err("speakup: Failed to set N_SPEAKUP on tty\n"); + speakup_tty = NULL; + mutex_unlock(&speakup_tty_mutex); + + if (!ret) + /* Success */ + return 0; + + pr_err("speakup: Failed to set N_SPEAKUP on tty\n"); + + tty_lock(tty); + if (tty->ops->close) + tty->ops->close(tty, NULL); + tty_unlock(tty); + + tty_kclose(tty); return ret; } diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig index 7cd5a29fc437..5645226ca3ce 100644 --- a/drivers/fpga/Kconfig +++ b/drivers/fpga/Kconfig @@ -142,6 +142,7 @@ config FPGA_DFL tristate "FPGA Device Feature List (DFL) support" select FPGA_BRIDGE select FPGA_REGION + depends on HAS_IOMEM help Device Feature List (DFL) defines a feature list structure that creates a linked list of feature headers within the MMIO space diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index e074f7ed388c..b5f8f3d731cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -1011,6 +1011,11 @@ static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp); + /* Stall DPG before WPTR/RPTR reset */ + WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), + UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK, + ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); + /* set the write pointer delay */ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0); @@ -1033,6 +1038,10 @@ static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); + /* Unstall DPG */ + WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), + 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); + return 0; } @@ -1556,8 +1565,14 @@ static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev, UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK); + /* Stall DPG before WPTR/RPTR reset */ + WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), + UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK, + ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); + /* Restore */ ring = &adev->vcn.inst[inst_idx].ring_enc[0]; + ring->wptr = 0; WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4); @@ -1565,14 +1580,16 @@ static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev, WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); ring = &adev->vcn.inst[inst_idx].ring_enc[1]; + ring->wptr = 0; WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr)); WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); - WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, - RREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2) & 0x7FFFFFFF); + /* Unstall DPG */ + WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), + 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK); SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK); @@ -1630,10 +1647,6 @@ static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; - if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) - WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2, - lower_32_bits(ring->wptr) | 0x80000000); - if (ring->use_doorbell) { adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr); WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 2f8fee05547a..c001307b0a59 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -163,8 +163,17 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, new_clocks->dppclk_khz = 100000; } - if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { - if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) + /* + * Temporally ignore thew 0 cases for disp and dpp clks. + * We may have a new feature that requires 0 clks in the future. + */ + if (new_clocks->dppclk_khz == 0 || new_clocks->dispclk_khz == 0) { + new_clocks->dppclk_khz = clk_mgr_base->clks.dppclk_khz; + new_clocks->dispclk_khz = clk_mgr_base->clks.dispclk_khz; + } + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr_base->clks.dppclk_khz)) { + if (clk_mgr_base->clks.dppclk_khz > new_clocks->dppclk_khz) dpp_clock_lowered = true; clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; update_dppclk = true; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index 2380759ddf48..6db96fa1df09 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -1164,7 +1164,12 @@ int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu, if (ret) return ret; - crystal_clock_freq = amdgpu_asic_get_xclk(adev); + /* + * crystal_clock_freq div by 4 is required since the fan control + * module refers to 25MHz + */ + + crystal_clock_freq = amdgpu_asic_get_xclk(adev) / 4; tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 99e682563d47..3bfe6ed67da1 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -18021,16 +18021,6 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) if (!HAS_GMCH(i915)) sanitize_watermarks(i915); - /* - * Force all active planes to recompute their states. So that on - * mode_setcrtc after probe, all the intel_plane_state variables - * are already calculated and there is no assert_plane warnings - * during bootup. - */ - ret = intel_initial_commit(dev); - if (ret) - drm_dbg_kms(&i915->drm, "Initial commit in probe failed.\n"); - return 0; } @@ -18039,11 +18029,21 @@ int intel_modeset_init(struct drm_i915_private *i915) { int ret; - intel_overlay_setup(i915); - if (!HAS_DISPLAY(i915)) return 0; + /* + * Force all active planes to recompute their states. So that on + * mode_setcrtc after probe, all the intel_plane_state variables + * are already calculated and there is no assert_plane warnings + * during bootup. + */ + ret = intel_initial_commit(&i915->drm); + if (ret) + return ret; + + intel_overlay_setup(i915); + ret = intel_fbdev_init(&i915->drm); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c index cf6e05ea4d8f..a24cc1ff08a0 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c @@ -101,18 +101,37 @@ static void __intel_breadcrumbs_disarm_irq(struct intel_breadcrumbs *b) intel_gt_pm_put_async(b->irq_engine->gt); } +static void intel_breadcrumbs_disarm_irq(struct intel_breadcrumbs *b) +{ + spin_lock(&b->irq_lock); + if (b->irq_armed) + __intel_breadcrumbs_disarm_irq(b); + spin_unlock(&b->irq_lock); +} + static void add_signaling_context(struct intel_breadcrumbs *b, struct intel_context *ce) { - intel_context_get(ce); - list_add_tail(&ce->signal_link, &b->signalers); + lockdep_assert_held(&ce->signal_lock); + + spin_lock(&b->signalers_lock); + list_add_rcu(&ce->signal_link, &b->signalers); + spin_unlock(&b->signalers_lock); } -static void remove_signaling_context(struct intel_breadcrumbs *b, +static bool remove_signaling_context(struct intel_breadcrumbs *b, struct intel_context *ce) { - list_del(&ce->signal_link); - intel_context_put(ce); + lockdep_assert_held(&ce->signal_lock); + + if (!list_empty(&ce->signals)) + return false; + + spin_lock(&b->signalers_lock); + list_del_rcu(&ce->signal_link); + spin_unlock(&b->signalers_lock); + + return true; } static inline bool __request_completed(const struct i915_request *rq) @@ -175,6 +194,8 @@ static void add_retire(struct intel_breadcrumbs *b, struct intel_timeline *tl) static bool __signal_request(struct i915_request *rq) { + GEM_BUG_ON(test_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)); + if (!__dma_fence_signal(&rq->fence)) { i915_request_put(rq); return false; @@ -195,15 +216,12 @@ static void signal_irq_work(struct irq_work *work) struct intel_breadcrumbs *b = container_of(work, typeof(*b), irq_work); const ktime_t timestamp = ktime_get(); struct llist_node *signal, *sn; - struct intel_context *ce, *cn; - struct list_head *pos, *next; + struct intel_context *ce; signal = NULL; if (unlikely(!llist_empty(&b->signaled_requests))) signal = llist_del_all(&b->signaled_requests); - spin_lock(&b->irq_lock); - /* * Keep the irq armed until the interrupt after all listeners are gone. * @@ -229,47 +247,44 @@ static void signal_irq_work(struct irq_work *work) * interrupt draw less ire from other users of the system and tools * like powertop. */ - if (!signal && b->irq_armed && list_empty(&b->signalers)) - __intel_breadcrumbs_disarm_irq(b); + if (!signal && READ_ONCE(b->irq_armed) && list_empty(&b->signalers)) + intel_breadcrumbs_disarm_irq(b); - list_for_each_entry_safe(ce, cn, &b->signalers, signal_link) { - GEM_BUG_ON(list_empty(&ce->signals)); + rcu_read_lock(); + list_for_each_entry_rcu(ce, &b->signalers, signal_link) { + struct i915_request *rq; - list_for_each_safe(pos, next, &ce->signals) { - struct i915_request *rq = - list_entry(pos, typeof(*rq), signal_link); + list_for_each_entry_rcu(rq, &ce->signals, signal_link) { + bool release; - GEM_BUG_ON(!check_signal_order(ce, rq)); if (!__request_completed(rq)) break; + if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, + &rq->fence.flags)) + break; + /* * Queue for execution after dropping the signaling * spinlock as the callback chain may end up adding * more signalers to the same context or engine. */ - clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags); + spin_lock(&ce->signal_lock); + list_del_rcu(&rq->signal_link); + release = remove_signaling_context(b, ce); + spin_unlock(&ce->signal_lock); + if (__signal_request(rq)) /* We own signal_node now, xfer to local list */ signal = slist_add(&rq->signal_node, signal); - } - /* - * We process the list deletion in bulk, only using a list_add - * (not list_move) above but keeping the status of - * rq->signal_link known with the I915_FENCE_FLAG_SIGNAL bit. - */ - if (!list_is_first(pos, &ce->signals)) { - /* Advance the list to the first incomplete request */ - __list_del_many(&ce->signals, pos); - if (&ce->signals == pos) { /* now empty */ + if (release) { add_retire(b, ce->timeline); - remove_signaling_context(b, ce); + intel_context_put(ce); } } } - - spin_unlock(&b->irq_lock); + rcu_read_unlock(); llist_for_each_safe(signal, sn, signal) { struct i915_request *rq = @@ -298,14 +313,15 @@ intel_breadcrumbs_create(struct intel_engine_cs *irq_engine) if (!b) return NULL; - spin_lock_init(&b->irq_lock); + b->irq_engine = irq_engine; + + spin_lock_init(&b->signalers_lock); INIT_LIST_HEAD(&b->signalers); init_llist_head(&b->signaled_requests); + spin_lock_init(&b->irq_lock); init_irq_work(&b->irq_work, signal_irq_work); - b->irq_engine = irq_engine; - return b; } @@ -347,9 +363,9 @@ void intel_breadcrumbs_free(struct intel_breadcrumbs *b) kfree(b); } -static void insert_breadcrumb(struct i915_request *rq, - struct intel_breadcrumbs *b) +static void insert_breadcrumb(struct i915_request *rq) { + struct intel_breadcrumbs *b = READ_ONCE(rq->engine)->breadcrumbs; struct intel_context *ce = rq->context; struct list_head *pos; @@ -371,6 +387,7 @@ static void insert_breadcrumb(struct i915_request *rq, } if (list_empty(&ce->signals)) { + intel_context_get(ce); add_signaling_context(b, ce); pos = &ce->signals; } else { @@ -396,8 +413,9 @@ static void insert_breadcrumb(struct i915_request *rq, break; } } - list_add(&rq->signal_link, pos); + list_add_rcu(&rq->signal_link, pos); GEM_BUG_ON(!check_signal_order(ce, rq)); + GEM_BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &rq->fence.flags)); set_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags); /* @@ -410,7 +428,7 @@ static void insert_breadcrumb(struct i915_request *rq, bool i915_request_enable_breadcrumb(struct i915_request *rq) { - struct intel_breadcrumbs *b; + struct intel_context *ce = rq->context; /* Serialises with i915_request_retire() using rq->lock */ if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &rq->fence.flags)) @@ -425,67 +443,30 @@ bool i915_request_enable_breadcrumb(struct i915_request *rq) if (!test_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags)) return true; - /* - * rq->engine is locked by rq->engine->active.lock. That however - * is not known until after rq->engine has been dereferenced and - * the lock acquired. Hence we acquire the lock and then validate - * that rq->engine still matches the lock we hold for it. - * - * Here, we are using the breadcrumb lock as a proxy for the - * rq->engine->active.lock, and we know that since the breadcrumb - * will be serialised within i915_request_submit/i915_request_unsubmit, - * the engine cannot change while active as long as we hold the - * breadcrumb lock on that engine. - * - * From the dma_fence_enable_signaling() path, we are outside of the - * request submit/unsubmit path, and so we must be more careful to - * acquire the right lock. - */ - b = READ_ONCE(rq->engine)->breadcrumbs; - spin_lock(&b->irq_lock); - while (unlikely(b != READ_ONCE(rq->engine)->breadcrumbs)) { - spin_unlock(&b->irq_lock); - b = READ_ONCE(rq->engine)->breadcrumbs; - spin_lock(&b->irq_lock); - } - - /* - * Now that we are finally serialised with request submit/unsubmit, - * [with b->irq_lock] and with i915_request_retire() [via checking - * SIGNALED with rq->lock] confirm the request is indeed active. If - * it is no longer active, the breadcrumb will be attached upon - * i915_request_submit(). - */ + spin_lock(&ce->signal_lock); if (test_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags)) - insert_breadcrumb(rq, b); - - spin_unlock(&b->irq_lock); + insert_breadcrumb(rq); + spin_unlock(&ce->signal_lock); return true; } void i915_request_cancel_breadcrumb(struct i915_request *rq) { - struct intel_breadcrumbs *b = rq->engine->breadcrumbs; + struct intel_context *ce = rq->context; + bool release; - /* - * We must wait for b->irq_lock so that we know the interrupt handler - * has released its reference to the intel_context and has completed - * the DMA_FENCE_FLAG_SIGNALED_BIT/I915_FENCE_FLAG_SIGNAL dance (if - * required). - */ - spin_lock(&b->irq_lock); - if (test_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) { - struct intel_context *ce = rq->context; + if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) + return; - list_del(&rq->signal_link); - if (list_empty(&ce->signals)) - remove_signaling_context(b, ce); + spin_lock(&ce->signal_lock); + list_del_rcu(&rq->signal_link); + release = remove_signaling_context(rq->engine->breadcrumbs, ce); + spin_unlock(&ce->signal_lock); + if (release) + intel_context_put(ce); - clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags); - i915_request_put(rq); - } - spin_unlock(&b->irq_lock); + i915_request_put(rq); } static void print_signals(struct intel_breadcrumbs *b, struct drm_printer *p) @@ -495,18 +476,17 @@ static void print_signals(struct intel_breadcrumbs *b, struct drm_printer *p) drm_printf(p, "Signals:\n"); - spin_lock_irq(&b->irq_lock); - list_for_each_entry(ce, &b->signalers, signal_link) { - list_for_each_entry(rq, &ce->signals, signal_link) { + rcu_read_lock(); + list_for_each_entry_rcu(ce, &b->signalers, signal_link) { + list_for_each_entry_rcu(rq, &ce->signals, signal_link) drm_printf(p, "\t[%llx:%llx%s] @ %dms\n", rq->fence.context, rq->fence.seqno, i915_request_completed(rq) ? "!" : i915_request_started(rq) ? "*" : "", jiffies_to_msecs(jiffies - rq->emitted_jiffies)); - } } - spin_unlock_irq(&b->irq_lock); + rcu_read_unlock(); } void intel_engine_print_breadcrumbs(struct intel_engine_cs *engine, diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h b/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h index 3fa19820b37a..a74bb3062bd8 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h @@ -29,18 +29,16 @@ * the overhead of waking that client is much preferred. */ struct intel_breadcrumbs { - spinlock_t irq_lock; /* protects the lists used in hardirq context */ - /* Not all breadcrumbs are attached to physical HW */ struct intel_engine_cs *irq_engine; + spinlock_t signalers_lock; /* protects the list of signalers */ struct list_head signalers; struct llist_head signaled_requests; + spinlock_t irq_lock; /* protects the interrupt from hardirq context */ struct irq_work irq_work; /* for use from inside irq_lock */ - unsigned int irq_enabled; - bool irq_armed; }; diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 92a3f25c4006..349e7fa1488d 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -25,11 +25,18 @@ static struct intel_context *intel_context_alloc(void) return kmem_cache_zalloc(global.slab_ce, GFP_KERNEL); } -void intel_context_free(struct intel_context *ce) +static void rcu_context_free(struct rcu_head *rcu) { + struct intel_context *ce = container_of(rcu, typeof(*ce), rcu); + kmem_cache_free(global.slab_ce, ce); } +void intel_context_free(struct intel_context *ce) +{ + call_rcu(&ce->rcu, rcu_context_free); +} + struct intel_context * intel_context_create(struct intel_engine_cs *engine) { @@ -356,8 +363,7 @@ static int __intel_context_active(struct i915_active *active) } void -intel_context_init(struct intel_context *ce, - struct intel_engine_cs *engine) +intel_context_init(struct intel_context *ce, struct intel_engine_cs *engine) { GEM_BUG_ON(!engine->cops); GEM_BUG_ON(!engine->gt->vm); @@ -373,7 +379,8 @@ intel_context_init(struct intel_context *ce, ce->vm = i915_vm_get(engine->gt->vm); - INIT_LIST_HEAD(&ce->signal_link); + /* NB ce->signal_link/lock is used under RCU */ + spin_lock_init(&ce->signal_lock); INIT_LIST_HEAD(&ce->signals); mutex_init(&ce->pin_mutex); diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 552cb57a2e8c..52fa9c132746 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -25,6 +25,7 @@ DECLARE_EWMA(runtime, 3, 8); struct i915_gem_context; struct i915_gem_ww_ctx; struct i915_vma; +struct intel_breadcrumbs; struct intel_context; struct intel_ring; @@ -44,7 +45,16 @@ struct intel_context_ops { }; struct intel_context { - struct kref ref; + /* + * Note: Some fields may be accessed under RCU. + * + * Unless otherwise noted a field can safely be assumed to be protected + * by strong reference counting. + */ + union { + struct kref ref; /* no kref_get_unless_zero()! */ + struct rcu_head rcu; + }; struct intel_engine_cs *engine; struct intel_engine_cs *inflight; @@ -54,8 +64,15 @@ struct intel_context { struct i915_address_space *vm; struct i915_gem_context __rcu *gem_context; - struct list_head signal_link; - struct list_head signals; + /* + * @signal_lock protects the list of requests that need signaling, + * @signals. While there are any requests that need signaling, + * we add the context to the breadcrumbs worker, and remove it + * upon completion/cancellation of the last request. + */ + struct list_head signal_link; /* Accessed under RCU */ + struct list_head signals; /* Guarded by signal_lock */ + spinlock_t signal_lock; /* protects signals, the list of requests */ struct i915_vma *state; struct intel_ring *ring; diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 313e51e7d4f7..4f74706967fd 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -131,7 +131,19 @@ static const struct drm_i915_mocs_entry skl_mocs_table[] = { GEN9_MOCS_ENTRIES, MOCS_ENTRY(I915_MOCS_CACHED, LE_3_WB | LE_TC_2_LLC_ELLC | LE_LRUM(3), - L3_3_WB) + L3_3_WB), + + /* + * mocs:63 + * - used by the L3 for all of its evictions. + * Thus it is expected to allow LLC cacheability to enable coherent + * flows to be maintained. + * - used to force L3 uncachable cycles. + * Thus it is expected to make the surface L3 uncacheable. + */ + MOCS_ENTRY(63, + LE_3_WB | LE_TC_1_LLC | LE_LRUM(3), + L3_1_UC) }; /* NOTE: the LE_TGT_CACHE is not used on Broxton */ diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index e6a00eea0631..c1c9cc0ad3b9 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -883,6 +883,10 @@ void intel_rps_park(struct intel_rps *rps) adj = -2; rps->last_adj = adj; rps->cur_freq = max_t(int, rps->cur_freq + adj, rps->min_freq); + if (rps->cur_freq < rps->efficient_freq) { + rps->cur_freq = rps->efficient_freq; + rps->last_adj = 0; + } GT_TRACE(rps_to_gt(rps), "park:%x\n", rps->cur_freq); } diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.c b/drivers/gpu/drm/i915/gt/shmem_utils.c index f011ea42487e..463af675fadd 100644 --- a/drivers/gpu/drm/i915/gt/shmem_utils.c +++ b/drivers/gpu/drm/i915/gt/shmem_utils.c @@ -103,10 +103,13 @@ static int __shmem_rw(struct file *file, loff_t off, return PTR_ERR(page); vaddr = kmap(page); - if (write) + if (write) { memcpy(vaddr + offset_in_page(off), ptr, this); - else + set_page_dirty(page); + } else { memcpy(ptr, vaddr + offset_in_page(off), this); + } + mark_page_accessed(page); kunmap(page); put_page(page); diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index 874af6db6103..620b6fab2c5c 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -177,10 +177,8 @@ struct i915_request { struct intel_ring *ring; struct intel_timeline __rcu *timeline; - union { - struct list_head signal_link; - struct llist_node signal_node; - }; + struct list_head signal_link; + struct llist_node signal_node; /* * The rcu epoch of when this request was allocated. Used to judiciously diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c index b721b8b262ce..9e1224d54729 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c @@ -22,6 +22,7 @@ #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane.h> #include <drm/drm_plane_helper.h> #include <drm/drm_vblank.h> @@ -484,17 +485,27 @@ static void mxsfb_plane_overlay_atomic_update(struct drm_plane *plane, writel(ctrl, mxsfb->base + LCDC_AS_CTRL); } +static bool mxsfb_format_mod_supported(struct drm_plane *plane, + uint32_t format, + uint64_t modifier) +{ + return modifier == DRM_FORMAT_MOD_LINEAR; +} + static const struct drm_plane_helper_funcs mxsfb_plane_primary_helper_funcs = { + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = mxsfb_plane_atomic_check, .atomic_update = mxsfb_plane_primary_atomic_update, }; static const struct drm_plane_helper_funcs mxsfb_plane_overlay_helper_funcs = { + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = mxsfb_plane_atomic_check, .atomic_update = mxsfb_plane_overlay_atomic_update, }; static const struct drm_plane_funcs mxsfb_plane_funcs = { + .format_mod_supported = mxsfb_format_mod_supported, .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = drm_plane_cleanup, diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 56b335a55966..7daa12eec01b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1214,8 +1214,8 @@ retry: } reg->bus.offset = handle; - ret = 0; } + ret = 0; break; default: ret = -EINVAL; diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index 033fd30074b0..282e4c837cd9 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -195,8 +195,7 @@ static void sdi_bridge_mode_set(struct drm_bridge *bridge, sdi->pixelclock = adjusted_mode->clock * 1000; } -static void sdi_bridge_enable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) +static void sdi_bridge_enable(struct drm_bridge *bridge) { struct sdi_device *sdi = drm_bridge_to_sdi(bridge); struct dispc_clock_info dispc_cinfo; @@ -259,8 +258,7 @@ err_get_dispc: regulator_disable(sdi->vdds_sdi_reg); } -static void sdi_bridge_disable(struct drm_bridge *bridge, - struct drm_bridge_state *bridge_state) +static void sdi_bridge_disable(struct drm_bridge *bridge) { struct sdi_device *sdi = drm_bridge_to_sdi(bridge); @@ -278,8 +276,8 @@ static const struct drm_bridge_funcs sdi_bridge_funcs = { .mode_valid = sdi_bridge_mode_valid, .mode_fixup = sdi_bridge_mode_fixup, .mode_set = sdi_bridge_mode_set, - .atomic_enable = sdi_bridge_enable, - .atomic_disable = sdi_bridge_disable, + .enable = sdi_bridge_enable, + .disable = sdi_bridge_disable, }; static void sdi_bridge_init(struct sdi_device *sdi) diff --git a/drivers/gpu/drm/panel/panel-sony-acx565akm.c b/drivers/gpu/drm/panel/panel-sony-acx565akm.c index e95fdfb16b6c..ba0b3ead150f 100644 --- a/drivers/gpu/drm/panel/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/panel/panel-sony-acx565akm.c @@ -629,7 +629,7 @@ static int acx565akm_probe(struct spi_device *spi) lcd->spi = spi; mutex_init(&lcd->mutex); - lcd->reset_gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW); + lcd->reset_gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(lcd->reset_gpio)) { dev_err(&spi->dev, "failed to get reset GPIO\n"); return PTR_ERR(lcd->reset_gpio); diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c index f292c6a6e20f..41edd0a421b2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -544,7 +544,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master, struct device_node *port, *endpoint; int ret = 0, child_count = 0; const char *name; - u32 endpoint_id; + u32 endpoint_id = 0; lvds->drm_dev = drm_dev; port = of_graph_get_port_by_id(dev->of_node, 1); diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index ba9d1c3e7cac..e4baf07992a4 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -90,7 +90,7 @@ static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) if (!fpriv) return -ENOMEM; - idr_init(&fpriv->contexts); + idr_init_base(&fpriv->contexts, 1); mutex_init(&fpriv->lock); filp->driver_priv = fpriv; diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index 5a4fd0dbf4cf..47d26b5d9945 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -129,7 +129,6 @@ int tegra_output_probe(struct tegra_output *output) if (!output->ddc) { err = -EPROBE_DEFER; - of_node_put(ddc); return err; } } diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index e88a17c2937f..cc2aa2308a51 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -397,7 +397,6 @@ struct tegra_sor; struct tegra_sor_ops { const char *name; int (*probe)(struct tegra_sor *sor); - int (*remove)(struct tegra_sor *sor); void (*audio_enable)(struct tegra_sor *sor); void (*audio_disable)(struct tegra_sor *sor); }; @@ -2942,6 +2941,24 @@ static const struct drm_encoder_helper_funcs tegra_sor_dp_helpers = { .atomic_check = tegra_sor_encoder_atomic_check, }; +static void tegra_sor_disable_regulator(void *data) +{ + struct regulator *reg = data; + + regulator_disable(reg); +} + +static int tegra_sor_enable_regulator(struct tegra_sor *sor, struct regulator *reg) +{ + int err; + + err = regulator_enable(reg); + if (err) + return err; + + return devm_add_action_or_reset(sor->dev, tegra_sor_disable_regulator, reg); +} + static int tegra_sor_hdmi_probe(struct tegra_sor *sor) { int err; @@ -2953,7 +2970,7 @@ static int tegra_sor_hdmi_probe(struct tegra_sor *sor) return PTR_ERR(sor->avdd_io_supply); } - err = regulator_enable(sor->avdd_io_supply); + err = tegra_sor_enable_regulator(sor, sor->avdd_io_supply); if (err < 0) { dev_err(sor->dev, "failed to enable AVDD I/O supply: %d\n", err); @@ -2967,7 +2984,7 @@ static int tegra_sor_hdmi_probe(struct tegra_sor *sor) return PTR_ERR(sor->vdd_pll_supply); } - err = regulator_enable(sor->vdd_pll_supply); + err = tegra_sor_enable_regulator(sor, sor->vdd_pll_supply); if (err < 0) { dev_err(sor->dev, "failed to enable VDD PLL supply: %d\n", err); @@ -2981,7 +2998,7 @@ static int tegra_sor_hdmi_probe(struct tegra_sor *sor) return PTR_ERR(sor->hdmi_supply); } - err = regulator_enable(sor->hdmi_supply); + err = tegra_sor_enable_regulator(sor, sor->hdmi_supply); if (err < 0) { dev_err(sor->dev, "failed to enable HDMI supply: %d\n", err); return err; @@ -2992,19 +3009,9 @@ static int tegra_sor_hdmi_probe(struct tegra_sor *sor) return 0; } -static int tegra_sor_hdmi_remove(struct tegra_sor *sor) -{ - regulator_disable(sor->hdmi_supply); - regulator_disable(sor->vdd_pll_supply); - regulator_disable(sor->avdd_io_supply); - - return 0; -} - static const struct tegra_sor_ops tegra_sor_hdmi_ops = { .name = "HDMI", .probe = tegra_sor_hdmi_probe, - .remove = tegra_sor_hdmi_remove, .audio_enable = tegra_sor_hdmi_audio_enable, .audio_disable = tegra_sor_hdmi_audio_disable, }; @@ -3017,7 +3024,7 @@ static int tegra_sor_dp_probe(struct tegra_sor *sor) if (IS_ERR(sor->avdd_io_supply)) return PTR_ERR(sor->avdd_io_supply); - err = regulator_enable(sor->avdd_io_supply); + err = tegra_sor_enable_regulator(sor, sor->avdd_io_supply); if (err < 0) return err; @@ -3025,25 +3032,16 @@ static int tegra_sor_dp_probe(struct tegra_sor *sor) if (IS_ERR(sor->vdd_pll_supply)) return PTR_ERR(sor->vdd_pll_supply); - err = regulator_enable(sor->vdd_pll_supply); + err = tegra_sor_enable_regulator(sor, sor->vdd_pll_supply); if (err < 0) return err; return 0; } -static int tegra_sor_dp_remove(struct tegra_sor *sor) -{ - regulator_disable(sor->vdd_pll_supply); - regulator_disable(sor->avdd_io_supply); - - return 0; -} - static const struct tegra_sor_ops tegra_sor_dp_ops = { .name = "DP", .probe = tegra_sor_dp_probe, - .remove = tegra_sor_dp_remove, }; static int tegra_sor_init(struct host1x_client *client) @@ -3145,6 +3143,7 @@ static int tegra_sor_init(struct host1x_client *client) if (err < 0) { dev_err(sor->dev, "failed to deassert SOR reset: %d\n", err); + clk_disable_unprepare(sor->clk); return err; } @@ -3152,12 +3151,17 @@ static int tegra_sor_init(struct host1x_client *client) } err = clk_prepare_enable(sor->clk_safe); - if (err < 0) + if (err < 0) { + clk_disable_unprepare(sor->clk); return err; + } err = clk_prepare_enable(sor->clk_dp); - if (err < 0) + if (err < 0) { + clk_disable_unprepare(sor->clk_safe); + clk_disable_unprepare(sor->clk); return err; + } return 0; } @@ -3764,17 +3768,16 @@ static int tegra_sor_probe(struct platform_device *pdev) return err; err = tegra_output_probe(&sor->output); - if (err < 0) { - dev_err(&pdev->dev, "failed to probe output: %d\n", err); - return err; - } + if (err < 0) + return dev_err_probe(&pdev->dev, err, + "failed to probe output\n"); if (sor->ops && sor->ops->probe) { err = sor->ops->probe(sor); if (err < 0) { dev_err(&pdev->dev, "failed to probe %s: %d\n", sor->ops->name, err); - goto output; + goto remove; } } @@ -3955,9 +3958,6 @@ unregister: rpm_disable: pm_runtime_disable(&pdev->dev); remove: - if (sor->ops && sor->ops->remove) - sor->ops->remove(sor); -output: tegra_output_remove(&sor->output); return err; } @@ -3976,12 +3976,6 @@ static int tegra_sor_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); - if (sor->ops && sor->ops->remove) { - err = sor->ops->remove(sor); - if (err < 0) - dev_err(&pdev->dev, "failed to remove SOR: %d\n", err); - } - tegra_output_remove(&sor->output); return 0; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a97a9d058198..a49e0ed4a599 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -734,6 +734,7 @@ config I2C_LPC2K config I2C_MLXBF tristate "Mellanox BlueField I2C controller" depends on MELLANOX_PLATFORM && ARM64 + select I2C_SLAVE help Enabling this option will add I2C SMBus support for Mellanox BlueField system. diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index c98529c76348..e6f8d6e45a15 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -412,6 +412,19 @@ static void i2c_imx_dma_free(struct imx_i2c_struct *i2c_imx) dma->chan_using = NULL; } +static void i2c_imx_clear_irq(struct imx_i2c_struct *i2c_imx, unsigned int bits) +{ + unsigned int temp; + + /* + * i2sr_clr_opcode is the value to clear all interrupts. Here we want to + * clear only <bits>, so we write ~i2sr_clr_opcode with just <bits> + * toggled. This is required because i.MX needs W0C and Vybrid uses W1C. + */ + temp = ~i2c_imx->hwdata->i2sr_clr_opcode ^ bits; + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); +} + static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy, bool atomic) { unsigned long orig_jiffies = jiffies; @@ -424,8 +437,7 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy, bool a /* check for arbitration lost */ if (temp & I2SR_IAL) { - temp &= ~I2SR_IAL; - imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); + i2c_imx_clear_irq(i2c_imx, I2SR_IAL); return -EAGAIN; } @@ -469,7 +481,7 @@ static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx, bool atomic) */ readb_poll_timeout_atomic(addr, regval, regval & I2SR_IIF, 5, 1000 + 100); i2c_imx->i2csr = regval; - imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR); + i2c_imx_clear_irq(i2c_imx, I2SR_IIF | I2SR_IAL); } else { wait_event_timeout(i2c_imx->queue, i2c_imx->i2csr & I2SR_IIF, HZ / 10); } @@ -478,6 +490,16 @@ static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx, bool atomic) dev_dbg(&i2c_imx->adapter.dev, "<%s> Timeout\n", __func__); return -ETIMEDOUT; } + + /* check for arbitration lost */ + if (i2c_imx->i2csr & I2SR_IAL) { + dev_dbg(&i2c_imx->adapter.dev, "<%s> Arbitration lost\n", __func__); + i2c_imx_clear_irq(i2c_imx, I2SR_IAL); + + i2c_imx->i2csr = 0; + return -EAGAIN; + } + dev_dbg(&i2c_imx->adapter.dev, "<%s> TRX complete\n", __func__); i2c_imx->i2csr = 0; return 0; @@ -593,6 +615,8 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx, bool atomic) /* Stop I2C transaction */ dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); + if (!(temp & I2CR_MSTA)) + i2c_imx->stopped = 1; temp &= ~(I2CR_MSTA | I2CR_MTX); if (i2c_imx->dma) temp &= ~I2CR_DMAEN; @@ -623,9 +647,7 @@ static irqreturn_t i2c_imx_isr(int irq, void *dev_id) if (temp & I2SR_IIF) { /* save status register */ i2c_imx->i2csr = temp; - temp &= ~I2SR_IIF; - temp |= (i2c_imx->hwdata->i2sr_clr_opcode & I2SR_IIF); - imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2SR); + i2c_imx_clear_irq(i2c_imx, I2SR_IIF); wake_up(&i2c_imx->queue); return IRQ_HANDLED; } @@ -758,9 +780,12 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx, */ dev_dbg(dev, "<%s> clear MSTA\n", __func__); temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); + if (!(temp & I2CR_MSTA)) + i2c_imx->stopped = 1; temp &= ~(I2CR_MSTA | I2CR_MTX); imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); - i2c_imx_bus_busy(i2c_imx, 0, false); + if (!i2c_imx->stopped) + i2c_imx_bus_busy(i2c_imx, 0, false); } else { /* * For i2c master receiver repeat restart operation like: @@ -885,9 +910,12 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, dev_dbg(&i2c_imx->adapter.dev, "<%s> clear MSTA\n", __func__); temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); + if (!(temp & I2CR_MSTA)) + i2c_imx->stopped = 1; temp &= ~(I2CR_MSTA | I2CR_MTX); imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); - i2c_imx_bus_busy(i2c_imx, 0, atomic); + if (!i2c_imx->stopped) + i2c_imx_bus_busy(i2c_imx, 0, atomic); } else { /* * For i2c master receiver repeat restart operation like: diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index 33574d40ea9c..2fb0532d8a16 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -1258,9 +1258,9 @@ static int mlxbf_i2c_get_gpio(struct platform_device *pdev, return -EFAULT; gpio_res->io = devm_ioremap(dev, params->start, size); - if (IS_ERR(gpio_res->io)) { + if (!gpio_res->io) { devm_release_mem_region(dev, params->start, size); - return PTR_ERR(gpio_res->io); + return -ENOMEM; } return 0; @@ -1323,9 +1323,9 @@ static int mlxbf_i2c_get_corepll(struct platform_device *pdev, return -EFAULT; corepll_res->io = devm_ioremap(dev, params->start, size); - if (IS_ERR(corepll_res->io)) { + if (!corepll_res->io) { devm_release_mem_region(dev, params->start, size); - return PTR_ERR(corepll_res->io); + return -ENOMEM; } return 0; @@ -1717,9 +1717,9 @@ static int mlxbf_i2c_init_coalesce(struct platform_device *pdev, return -EFAULT; coalesce_res->io = ioremap(params->start, size); - if (IS_ERR(coalesce_res->io)) { + if (!coalesce_res->io) { release_mem_region(params->start, size); - return PTR_ERR(coalesce_res->io); + return -ENOMEM; } priv->coalesce = coalesce_res; diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c index f13735beca58..1c259b5188de 100644 --- a/drivers/i2c/busses/i2c-qcom-cci.c +++ b/drivers/i2c/busses/i2c-qcom-cci.c @@ -194,9 +194,9 @@ static irqreturn_t cci_isr(int irq, void *dev) if (unlikely(val & CCI_IRQ_STATUS_0_I2C_M1_ERROR)) { if (val & CCI_IRQ_STATUS_0_I2C_M1_Q0_NACK_ERR || val & CCI_IRQ_STATUS_0_I2C_M1_Q1_NACK_ERR) - cci->master[0].status = -ENXIO; + cci->master[1].status = -ENXIO; else - cci->master[0].status = -EIO; + cci->master[1].status = -EIO; writel(CCI_HALT_REQ_I2C_M1_Q0Q1, cci->base + CCI_HALT_REQ); ret = IRQ_HANDLED; diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index fbc04b60cfd1..5a47915869ae 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -801,7 +801,8 @@ static int qup_i2c_bam_schedule_desc(struct qup_i2c_dev *qup) if (ret || qup->bus_err || qup->qup_err) { reinit_completion(&qup->xfer); - if (qup_i2c_change_state(qup, QUP_RUN_STATE)) { + ret = qup_i2c_change_state(qup, QUP_RUN_STATE); + if (ret) { dev_err(qup->dev, "change to run state timed out"); goto desc_err; } diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 7ee7ffe22ae3..d79335506ecd 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1140,6 +1140,20 @@ static bool __init intel_idle_max_cstate_reached(int cstate) return false; } +static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state) +{ + unsigned long eax = flg2MWAIT(state->flags); + + if (boot_cpu_has(X86_FEATURE_ARAT)) + return false; + + /* + * Switch over to one-shot tick broadcast if the target C-state + * is deeper than C1. + */ + return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK); +} + #ifdef CONFIG_ACPI_PROCESSOR_CSTATE #include <acpi/processor.h> @@ -1210,20 +1224,6 @@ static bool __init intel_idle_acpi_cst_extract(void) return false; } -static bool __init intel_idle_state_needs_timer_stop(struct cpuidle_state *state) -{ - unsigned long eax = flg2MWAIT(state->flags); - - if (boot_cpu_has(X86_FEATURE_ARAT)) - return false; - - /* - * Switch over to one-shot tick broadcast if the target C-state - * is deeper than C1. - */ - return !!((eax >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK); -} - static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) { int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index c77cdb3b62b5..8c73377ac82c 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -241,6 +241,7 @@ static const struct xpad_device { { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 }, { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 }, + { 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 }, { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, { 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, @@ -418,6 +419,7 @@ static const struct usb_device_id xpad_table[] = { XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */ XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */ XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */ + XPAD_XBOX360_VENDOR(0x1209), /* Ardwiino Controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index cae1a3fae83a..d14a65683c5e 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/input.h> #include <linux/init.h> +#include <linux/irq.h> #include <linux/kernel.h> #include <linux/acpi.h> #include <linux/dmi.h> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index a4c9b9652560..7ecb65176c1a 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -219,6 +219,10 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"), DMI_MATCH(DMI_PRODUCT_NAME, "C15B"), }, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"), + DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"), + }, }, { } }; diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 944cbb519c6d..abae23af0791 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -1471,7 +1471,8 @@ static int __init i8042_setup_aux(void) if (error) goto err_free_ports; - if (aux_enable()) + error = aux_enable(); + if (error) goto err_free_irq; i8042_aux_irq_registered = true; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 98f17fa3a892..b6f75367a284 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -2183,11 +2183,11 @@ static int mxt_initialize(struct mxt_data *data) msleep(MXT_FW_RESET_TIME); } - error = mxt_acquire_irq(data); + error = mxt_check_retrigen(data); if (error) return error; - error = mxt_check_retrigen(data); + error = mxt_acquire_irq(data); if (error) return error; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 9644424591da..4bc453f5bbaa 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -712,10 +712,6 @@ static bool block_size_is_power_of_two(struct cache *cache) return cache->sectors_per_block_shift >= 0; } -/* gcc on ARM generates spurious references to __udivdi3 and __umoddi3 */ -#if defined(CONFIG_ARM) && __GNUC__ == 4 && __GNUC_MINOR__ <= 6 -__always_inline -#endif static dm_block_t block_div(dm_block_t b, uint32_t n) { do_div(b, n); diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 3fc3757def55..5a7a1b90e671 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3462,7 +3462,7 @@ static int get_mac(struct crypto_shash **hash, struct alg_spec *a, char **error, int r; if (a->alg_string) { - *hash = crypto_alloc_shash(a->alg_string, 0, 0); + *hash = crypto_alloc_shash(a->alg_string, 0, CRYPTO_ALG_ALLOCATES_MEMORY); if (IS_ERR(*hash)) { *error = error_alg; r = PTR_ERR(*hash); @@ -3519,7 +3519,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) struct journal_completion comp; comp.ic = ic; - ic->journal_crypt = crypto_alloc_skcipher(ic->journal_crypt_alg.alg_string, 0, 0); + ic->journal_crypt = crypto_alloc_skcipher(ic->journal_crypt_alg.alg_string, 0, CRYPTO_ALG_ALLOCATES_MEMORY); if (IS_ERR(ic->journal_crypt)) { *error = "Invalid journal cipher"; r = PTR_ERR(ic->journal_crypt); diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index ce543b761be7..7eeb7c4169c9 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -18,7 +18,6 @@ #include <linux/mutex.h> #include <linux/delay.h> #include <linux/atomic.h> -#include <linux/lcm.h> #include <linux/blk-mq.h> #include <linux/mount.h> #include <linux/dax.h> @@ -1247,12 +1246,6 @@ void dm_table_event_callback(struct dm_table *t, void dm_table_event(struct dm_table *t) { - /* - * You can no longer call dm_table_event() from interrupt - * context, use a bottom half instead. - */ - BUG_ON(in_interrupt()); - mutex_lock(&_event_lock); if (t->event_fn) t->event_fn(t->event_context); @@ -1455,10 +1448,6 @@ int dm_calculate_queue_limits(struct dm_table *table, zone_sectors = ti_limits.chunk_sectors; } - /* Stack chunk_sectors if target-specific splitting is required */ - if (ti->max_io_len) - ti_limits.chunk_sectors = lcm_not_zero(ti->max_io_len, - ti_limits.chunk_sectors); /* Set I/O hints portion of queue limits */ if (ti->type->io_hints) ti->type->io_hints(ti, &ti_limits); diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index 9ae4ce7df95c..d5223a0e5cc5 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -319,7 +319,7 @@ err1: #else static int persistent_memory_claim(struct dm_writecache *wc) { - BUG(); + return -EOPNOTSUPP; } #endif @@ -2041,7 +2041,7 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv) struct wc_memory_superblock s; static struct dm_arg _args[] = { - {0, 10, "Invalid number of feature args"}, + {0, 16, "Invalid number of feature args"}, }; as.argc = argc; @@ -2479,6 +2479,8 @@ static void writecache_status(struct dm_target *ti, status_type_t type, extra_args += 2; if (wc->autocommit_time_set) extra_args += 2; + if (wc->max_age != MAX_AGE_UNSPECIFIED) + extra_args += 2; if (wc->cleaner) extra_args++; if (wc->writeback_fua_set) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c18fc2548518..4e0cbfe3f14d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -476,8 +476,10 @@ static int dm_blk_report_zones(struct gendisk *disk, sector_t sector, return -EAGAIN; map = dm_get_live_table(md, &srcu_idx); - if (!map) - return -EIO; + if (!map) { + ret = -EIO; + goto out; + } do { struct dm_target *tgt; @@ -507,7 +509,6 @@ out: static int dm_prepare_ioctl(struct mapped_device *md, int *srcu_idx, struct block_device **bdev) - __acquires(md->io_barrier) { struct dm_target *tgt; struct dm_table *map; @@ -541,7 +542,6 @@ retry: } static void dm_unprepare_ioctl(struct mapped_device *md, int srcu_idx) - __releases(md->io_barrier) { dm_put_live_table(md, srcu_idx); } @@ -1037,15 +1037,18 @@ static sector_t max_io_len(struct dm_target *ti, sector_t sector) sector_t max_len; /* - * Does the target need to split even further? - * - q->limits.chunk_sectors reflects ti->max_io_len so - * blk_max_size_offset() provides required splitting. - * - blk_max_size_offset() also respects q->limits.max_sectors + * Does the target need to split IO even further? + * - varied (per target) IO splitting is a tenet of DM; this + * explains why stacked chunk_sectors based splitting via + * blk_max_size_offset() isn't possible here. So pass in + * ti->max_io_len to override stacked chunk_sectors. */ - max_len = blk_max_size_offset(ti->table->md->queue, - target_offset); - if (len > max_len) - len = max_len; + if (ti->max_io_len) { + max_len = blk_max_size_offset(ti->table->md->queue, + target_offset, ti->max_io_len); + if (len > max_len) + len = max_len; + } return len; } @@ -1196,11 +1199,9 @@ static int dm_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff, * ->zero_page_range() is mandatory dax operation. If we are * here, something is wrong. */ - dm_put_live_table(md, srcu_idx); goto out; } ret = ti->type->dax_zero_page_range(ti, pgoff, nr_pages); - out: dm_put_live_table(md, srcu_idx); diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index c9011541c647..5871162a8442 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -242,16 +242,16 @@ delete_cdev_device: static void device_cdev_sysfs_del(struct hl_device *hdev) { - /* device_release() won't be called so must free devices explicitly */ - if (!hdev->cdev_sysfs_created) { - kfree(hdev->dev_ctrl); - kfree(hdev->dev); - return; - } + if (!hdev->cdev_sysfs_created) + goto put_devices; hl_sysfs_fini(hdev); cdev_device_del(&hdev->cdev_ctrl, hdev->dev_ctrl); cdev_device_del(&hdev->cdev, hdev->dev); + +put_devices: + put_device(hdev->dev); + put_device(hdev->dev_ctrl); } static void device_hard_reset_pending(struct work_struct *work) @@ -1430,9 +1430,9 @@ sw_fini: early_fini: device_early_fini(hdev); free_dev_ctrl: - kfree(hdev->dev_ctrl); + put_device(hdev->dev_ctrl); free_dev: - kfree(hdev->dev); + put_device(hdev->dev); out_disabled: hdev->disabled = true; if (add_cdev_sysfs_on_err) diff --git a/drivers/misc/mei/Kconfig b/drivers/misc/mei/Kconfig index c06581ffa7bd..f5fd5b786607 100644 --- a/drivers/misc/mei/Kconfig +++ b/drivers/misc/mei/Kconfig @@ -46,14 +46,4 @@ config INTEL_MEI_TXE Supported SoCs: Intel Bay Trail -config INTEL_MEI_VIRTIO - tristate "Intel MEI interface emulation with virtio framework" - select INTEL_MEI - depends on X86 && PCI && VIRTIO_PCI - help - This module implements mei hw emulation over virtio transport. - The module will be called mei_virtio. - Enable this if your virtual machine supports virtual mei - device over virtio. - source "drivers/misc/mei/hdcp/Kconfig" diff --git a/drivers/misc/mei/Makefile b/drivers/misc/mei/Makefile index 52aefaab5c1b..f1c76f7ee804 100644 --- a/drivers/misc/mei/Makefile +++ b/drivers/misc/mei/Makefile @@ -22,9 +22,6 @@ obj-$(CONFIG_INTEL_MEI_TXE) += mei-txe.o mei-txe-objs := pci-txe.o mei-txe-objs += hw-txe.o -obj-$(CONFIG_INTEL_MEI_VIRTIO) += mei-virtio.o -mei-virtio-objs := hw-virtio.o - mei-$(CONFIG_EVENT_TRACING) += mei-trace.o CFLAGS_mei-trace.o = -I$(src) diff --git a/drivers/misc/mei/hw-virtio.c b/drivers/misc/mei/hw-virtio.c deleted file mode 100644 index 899dc1c5e7ca..000000000000 --- a/drivers/misc/mei/hw-virtio.c +++ /dev/null @@ -1,874 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Intel Management Engine Interface (Intel MEI) Linux driver - * Copyright (c) 2018-2020, Intel Corporation. - */ -#include <linux/err.h> -#include <linux/module.h> -#include <linux/pm_runtime.h> -#include <linux/scatterlist.h> -#include <linux/spinlock.h> -#include <linux/slab.h> -#include <linux/virtio.h> -#include <linux/virtio_config.h> -#include <linux/virtio_ids.h> -#include <linux/atomic.h> - -#include "mei_dev.h" -#include "hbm.h" -#include "client.h" - -#define MEI_VIRTIO_RPM_TIMEOUT 500 -/* ACRN virtio device types */ -#ifndef VIRTIO_ID_MEI -#define VIRTIO_ID_MEI 0xFFFE /* virtio mei */ -#endif - -/** - * struct mei_virtio_cfg - settings passed from the virtio backend - * @buf_depth: read buffer depth in slots (4bytes) - * @hw_ready: hw is ready for operation - * @host_reset: synchronize reset with virtio backend - * @reserved: reserved for alignment - * @fw_status: FW status - */ -struct mei_virtio_cfg { - u32 buf_depth; - u8 hw_ready; - u8 host_reset; - u8 reserved[2]; - u32 fw_status[MEI_FW_STATUS_MAX]; -} __packed; - -struct mei_virtio_hw { - struct mei_device mdev; - char name[32]; - - struct virtqueue *in; - struct virtqueue *out; - - bool host_ready; - struct work_struct intr_handler; - - u32 *recv_buf; - u8 recv_rdy; - size_t recv_sz; - u32 recv_idx; - u32 recv_len; - - /* send buffer */ - atomic_t hbuf_ready; - const void *send_hdr; - const void *send_buf; - - struct mei_virtio_cfg cfg; -}; - -#define to_virtio_hw(_dev) container_of(_dev, struct mei_virtio_hw, mdev) - -/** - * mei_virtio_fw_status() - read status register of mei - * @dev: mei device - * @fw_status: fw status register values - * - * Return: always 0 - */ -static int mei_virtio_fw_status(struct mei_device *dev, - struct mei_fw_status *fw_status) -{ - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - fw_status->count = MEI_FW_STATUS_MAX; - virtio_cread_bytes(vdev, offsetof(struct mei_virtio_cfg, fw_status), - fw_status->status, sizeof(fw_status->status)); - return 0; -} - -/** - * mei_virtio_pg_state() - translate internal pg state - * to the mei power gating state - * There is no power management in ACRN mode always return OFF - * @dev: mei device - * - * Return: - * * MEI_PG_OFF - if aliveness is on (always) - * * MEI_PG_ON - (never) - */ -static inline enum mei_pg_state mei_virtio_pg_state(struct mei_device *dev) -{ - return MEI_PG_OFF; -} - -/** - * mei_virtio_hw_config() - configure hw dependent settings - * - * @dev: mei device - * - * Return: always 0 - */ -static int mei_virtio_hw_config(struct mei_device *dev) -{ - return 0; -} - -/** - * mei_virtio_hbuf_empty_slots() - counts write empty slots. - * @dev: the device structure - * - * Return: always return frontend buf size if buffer is ready, 0 otherwise - */ -static int mei_virtio_hbuf_empty_slots(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - return (atomic_read(&hw->hbuf_ready) == 1) ? hw->cfg.buf_depth : 0; -} - -/** - * mei_virtio_hbuf_is_ready() - checks if write buffer is ready - * @dev: the device structure - * - * Return: true if hbuf is ready - */ -static bool mei_virtio_hbuf_is_ready(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - return atomic_read(&hw->hbuf_ready) == 1; -} - -/** - * mei_virtio_hbuf_max_depth() - returns depth of FE write buffer. - * @dev: the device structure - * - * Return: size of frontend write buffer in bytes - */ -static u32 mei_virtio_hbuf_depth(const struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - return hw->cfg.buf_depth; -} - -/** - * mei_virtio_intr_clear() - clear and stop interrupts - * @dev: the device structure - */ -static void mei_virtio_intr_clear(struct mei_device *dev) -{ - /* - * In our virtio solution, there are two types of interrupts, - * vq interrupt and config change interrupt. - * 1) start/reset rely on virtio config changed interrupt; - * 2) send/recv rely on virtio virtqueue interrupts. - * They are all virtual interrupts. So, we don't have corresponding - * operation to do here. - */ -} - -/** - * mei_virtio_intr_enable() - enables mei BE virtqueues callbacks - * @dev: the device structure - */ -static void mei_virtio_intr_enable(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - virtio_config_enable(vdev); - - virtqueue_enable_cb(hw->in); - virtqueue_enable_cb(hw->out); -} - -/** - * mei_virtio_intr_disable() - disables mei BE virtqueues callbacks - * - * @dev: the device structure - */ -static void mei_virtio_intr_disable(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - virtio_config_disable(vdev); - - virtqueue_disable_cb(hw->in); - virtqueue_disable_cb(hw->out); -} - -/** - * mei_virtio_synchronize_irq() - wait for pending IRQ handlers for all - * virtqueue - * @dev: the device structure - */ -static void mei_virtio_synchronize_irq(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - /* - * Now, all IRQ handlers are converted to workqueue. - * Change synchronize irq to flush this work. - */ - flush_work(&hw->intr_handler); -} - -static void mei_virtio_free_outbufs(struct mei_virtio_hw *hw) -{ - kfree(hw->send_hdr); - kfree(hw->send_buf); - hw->send_hdr = NULL; - hw->send_buf = NULL; -} - -/** - * mei_virtio_write_message() - writes a message to mei virtio back-end service. - * @dev: the device structure - * @hdr: mei header of message - * @hdr_len: header length - * @data: message payload will be written - * @data_len: message payload length - * - * Return: - * * 0: on success - * * -EIO: if write has failed - * * -ENOMEM: on memory allocation failure - */ -static int mei_virtio_write_message(struct mei_device *dev, - const void *hdr, size_t hdr_len, - const void *data, size_t data_len) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct scatterlist sg[2]; - const void *hbuf, *dbuf; - int ret; - - if (WARN_ON(!atomic_add_unless(&hw->hbuf_ready, -1, 0))) - return -EIO; - - hbuf = kmemdup(hdr, hdr_len, GFP_KERNEL); - hw->send_hdr = hbuf; - - dbuf = kmemdup(data, data_len, GFP_KERNEL); - hw->send_buf = dbuf; - - if (!hbuf || !dbuf) { - ret = -ENOMEM; - goto fail; - } - - sg_init_table(sg, 2); - sg_set_buf(&sg[0], hbuf, hdr_len); - sg_set_buf(&sg[1], dbuf, data_len); - - ret = virtqueue_add_outbuf(hw->out, sg, 2, hw, GFP_KERNEL); - if (ret) { - dev_err(dev->dev, "failed to add outbuf\n"); - goto fail; - } - - virtqueue_kick(hw->out); - return 0; -fail: - - mei_virtio_free_outbufs(hw); - - return ret; -} - -/** - * mei_virtio_count_full_read_slots() - counts read full slots. - * @dev: the device structure - * - * Return: -EOVERFLOW if overflow, otherwise filled slots count - */ -static int mei_virtio_count_full_read_slots(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - if (hw->recv_idx > hw->recv_len) - return -EOVERFLOW; - - return hw->recv_len - hw->recv_idx; -} - -/** - * mei_virtio_read_hdr() - Reads 32bit dword from mei virtio receive buffer - * - * @dev: the device structure - * - * Return: 32bit dword of receive buffer (u32) - */ -static inline u32 mei_virtio_read_hdr(const struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - WARN_ON(hw->cfg.buf_depth < hw->recv_idx + 1); - - return hw->recv_buf[hw->recv_idx++]; -} - -static int mei_virtio_read(struct mei_device *dev, unsigned char *buffer, - unsigned long len) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - u32 slots = mei_data2slots(len); - - if (WARN_ON(hw->cfg.buf_depth < hw->recv_idx + slots)) - return -EOVERFLOW; - - /* - * Assumption: There is only one MEI message in recv_buf each time. - * Backend service need follow this rule too. - */ - memcpy(buffer, hw->recv_buf + hw->recv_idx, len); - hw->recv_idx += slots; - - return 0; -} - -static bool mei_virtio_pg_is_enabled(struct mei_device *dev) -{ - return false; -} - -static bool mei_virtio_pg_in_transition(struct mei_device *dev) -{ - return false; -} - -static void mei_virtio_add_recv_buf(struct mei_virtio_hw *hw) -{ - struct scatterlist sg; - - if (hw->recv_rdy) /* not needed */ - return; - - /* refill the recv_buf to IN virtqueue to get next message */ - sg_init_one(&sg, hw->recv_buf, mei_slots2data(hw->cfg.buf_depth)); - hw->recv_len = 0; - hw->recv_idx = 0; - hw->recv_rdy = 1; - virtqueue_add_inbuf(hw->in, &sg, 1, hw->recv_buf, GFP_KERNEL); - virtqueue_kick(hw->in); -} - -/** - * mei_virtio_hw_is_ready() - check whether the BE(hw) has turned ready - * @dev: mei device - * Return: bool - */ -static bool mei_virtio_hw_is_ready(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - virtio_cread(vdev, struct mei_virtio_cfg, - hw_ready, &hw->cfg.hw_ready); - - dev_dbg(dev->dev, "hw ready %d\n", hw->cfg.hw_ready); - - return hw->cfg.hw_ready; -} - -/** - * mei_virtio_hw_reset - resets virtio hw. - * - * @dev: the device structure - * @intr_enable: virtio use data/config callbacks - * - * Return: 0 on success an error code otherwise - */ -static int mei_virtio_hw_reset(struct mei_device *dev, bool intr_enable) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - dev_dbg(dev->dev, "hw reset\n"); - - dev->recvd_hw_ready = false; - hw->host_ready = false; - atomic_set(&hw->hbuf_ready, 0); - hw->recv_len = 0; - hw->recv_idx = 0; - - hw->cfg.host_reset = 1; - virtio_cwrite(vdev, struct mei_virtio_cfg, - host_reset, &hw->cfg.host_reset); - - mei_virtio_hw_is_ready(dev); - - if (intr_enable) - mei_virtio_intr_enable(dev); - - return 0; -} - -/** - * mei_virtio_hw_reset_release() - release device from the reset - * @dev: the device structure - */ -static void mei_virtio_hw_reset_release(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - struct virtio_device *vdev = dev_to_virtio(dev->dev); - - dev_dbg(dev->dev, "hw reset release\n"); - hw->cfg.host_reset = 0; - virtio_cwrite(vdev, struct mei_virtio_cfg, - host_reset, &hw->cfg.host_reset); -} - -/** - * mei_virtio_hw_ready_wait() - wait until the virtio(hw) has turned ready - * or timeout is reached - * @dev: mei device - * - * Return: 0 on success, error otherwise - */ -static int mei_virtio_hw_ready_wait(struct mei_device *dev) -{ - mutex_unlock(&dev->device_lock); - wait_event_timeout(dev->wait_hw_ready, - dev->recvd_hw_ready, - mei_secs_to_jiffies(MEI_HW_READY_TIMEOUT)); - mutex_lock(&dev->device_lock); - if (!dev->recvd_hw_ready) { - dev_err(dev->dev, "wait hw ready failed\n"); - return -ETIMEDOUT; - } - - dev->recvd_hw_ready = false; - return 0; -} - -/** - * mei_virtio_hw_start() - hw start routine - * @dev: mei device - * - * Return: 0 on success, error otherwise - */ -static int mei_virtio_hw_start(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - int ret; - - dev_dbg(dev->dev, "hw start\n"); - mei_virtio_hw_reset_release(dev); - - ret = mei_virtio_hw_ready_wait(dev); - if (ret) - return ret; - - mei_virtio_add_recv_buf(hw); - atomic_set(&hw->hbuf_ready, 1); - dev_dbg(dev->dev, "hw is ready\n"); - hw->host_ready = true; - - return 0; -} - -/** - * mei_virtio_host_is_ready() - check whether the FE has turned ready - * @dev: mei device - * - * Return: bool - */ -static bool mei_virtio_host_is_ready(struct mei_device *dev) -{ - struct mei_virtio_hw *hw = to_virtio_hw(dev); - - dev_dbg(dev->dev, "host ready %d\n", hw->host_ready); - - return hw->host_ready; -} - -/** - * mei_virtio_data_in() - The callback of recv virtqueue of virtio mei - * @vq: receiving virtqueue - */ -static void mei_virtio_data_in(struct virtqueue *vq) -{ - struct mei_virtio_hw *hw = vq->vdev->priv; - - /* disable interrupts (enabled again from in the interrupt worker) */ - virtqueue_disable_cb(hw->in); - - schedule_work(&hw->intr_handler); -} - -/** - * mei_virtio_data_out() - The callback of send virtqueue of virtio mei - * @vq: transmitting virtqueue - */ -static void mei_virtio_data_out(struct virtqueue *vq) -{ - struct mei_virtio_hw *hw = vq->vdev->priv; - - schedule_work(&hw->intr_handler); -} - -static void mei_virtio_intr_handler(struct work_struct *work) -{ - struct mei_virtio_hw *hw = - container_of(work, struct mei_virtio_hw, intr_handler); - struct mei_device *dev = &hw->mdev; - LIST_HEAD(complete_list); - s32 slots; - int rets = 0; - void *data; - unsigned int len; - - mutex_lock(&dev->device_lock); - - if (dev->dev_state == MEI_DEV_DISABLED) { - dev_warn(dev->dev, "Interrupt in disabled state.\n"); - mei_virtio_intr_disable(dev); - goto end; - } - - /* check if ME wants a reset */ - if (!mei_hw_is_ready(dev) && dev->dev_state != MEI_DEV_RESETTING) { - dev_warn(dev->dev, "BE service not ready: resetting.\n"); - schedule_work(&dev->reset_work); - goto end; - } - - /* check if we need to start the dev */ - if (!mei_host_is_ready(dev)) { - if (mei_hw_is_ready(dev)) { - dev_dbg(dev->dev, "we need to start the dev.\n"); - dev->recvd_hw_ready = true; - wake_up(&dev->wait_hw_ready); - } else { - dev_warn(dev->dev, "Spurious Interrupt\n"); - } - goto end; - } - - /* read */ - if (hw->recv_rdy) { - data = virtqueue_get_buf(hw->in, &len); - if (!data || !len) { - dev_dbg(dev->dev, "No data %d", len); - } else { - dev_dbg(dev->dev, "data_in %d\n", len); - WARN_ON(data != hw->recv_buf); - hw->recv_len = mei_data2slots(len); - hw->recv_rdy = 0; - } - } - - /* write */ - if (!atomic_read(&hw->hbuf_ready)) { - if (!virtqueue_get_buf(hw->out, &len)) { - dev_warn(dev->dev, "Failed to getbuf\n"); - } else { - mei_virtio_free_outbufs(hw); - atomic_inc(&hw->hbuf_ready); - } - } - - /* check slots available for reading */ - slots = mei_count_full_read_slots(dev); - while (slots > 0) { - dev_dbg(dev->dev, "slots to read = %08x\n", slots); - rets = mei_irq_read_handler(dev, &complete_list, &slots); - - if (rets && - (dev->dev_state != MEI_DEV_RESETTING && - dev->dev_state != MEI_DEV_POWER_DOWN)) { - dev_err(dev->dev, "mei_irq_read_handler ret = %d.\n", - rets); - schedule_work(&dev->reset_work); - goto end; - } - } - - dev->hbuf_is_ready = mei_hbuf_is_ready(dev); - - mei_irq_write_handler(dev, &complete_list); - - dev->hbuf_is_ready = mei_hbuf_is_ready(dev); - - mei_irq_compl_handler(dev, &complete_list); - - mei_virtio_add_recv_buf(hw); - -end: - if (dev->dev_state != MEI_DEV_DISABLED) { - if (!virtqueue_enable_cb(hw->in)) - schedule_work(&hw->intr_handler); - } - - mutex_unlock(&dev->device_lock); -} - -static void mei_virtio_config_changed(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw = vdev->priv; - struct mei_device *dev = &hw->mdev; - - virtio_cread(vdev, struct mei_virtio_cfg, - hw_ready, &hw->cfg.hw_ready); - - if (dev->dev_state == MEI_DEV_DISABLED) { - dev_dbg(dev->dev, "disabled state don't start\n"); - return; - } - - /* Run intr handler once to handle reset notify */ - schedule_work(&hw->intr_handler); -} - -static void mei_virtio_remove_vqs(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw = vdev->priv; - - virtqueue_detach_unused_buf(hw->in); - hw->recv_len = 0; - hw->recv_idx = 0; - hw->recv_rdy = 0; - - virtqueue_detach_unused_buf(hw->out); - - mei_virtio_free_outbufs(hw); - - vdev->config->del_vqs(vdev); -} - -/* - * There are two virtqueues, one is for send and another is for recv. - */ -static int mei_virtio_init_vqs(struct mei_virtio_hw *hw, - struct virtio_device *vdev) -{ - struct virtqueue *vqs[2]; - - vq_callback_t *cbs[] = { - mei_virtio_data_in, - mei_virtio_data_out, - }; - static const char * const names[] = { - "in", - "out", - }; - int ret; - - ret = virtio_find_vqs(vdev, 2, vqs, cbs, names, NULL); - if (ret) - return ret; - - hw->in = vqs[0]; - hw->out = vqs[1]; - - return 0; -} - -static const struct mei_hw_ops mei_virtio_ops = { - .fw_status = mei_virtio_fw_status, - .pg_state = mei_virtio_pg_state, - - .host_is_ready = mei_virtio_host_is_ready, - - .hw_is_ready = mei_virtio_hw_is_ready, - .hw_reset = mei_virtio_hw_reset, - .hw_config = mei_virtio_hw_config, - .hw_start = mei_virtio_hw_start, - - .pg_in_transition = mei_virtio_pg_in_transition, - .pg_is_enabled = mei_virtio_pg_is_enabled, - - .intr_clear = mei_virtio_intr_clear, - .intr_enable = mei_virtio_intr_enable, - .intr_disable = mei_virtio_intr_disable, - .synchronize_irq = mei_virtio_synchronize_irq, - - .hbuf_free_slots = mei_virtio_hbuf_empty_slots, - .hbuf_is_ready = mei_virtio_hbuf_is_ready, - .hbuf_depth = mei_virtio_hbuf_depth, - - .write = mei_virtio_write_message, - - .rdbuf_full_slots = mei_virtio_count_full_read_slots, - .read_hdr = mei_virtio_read_hdr, - .read = mei_virtio_read, -}; - -static int mei_virtio_probe(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw; - int ret; - - hw = devm_kzalloc(&vdev->dev, sizeof(*hw), GFP_KERNEL); - if (!hw) - return -ENOMEM; - - vdev->priv = hw; - - INIT_WORK(&hw->intr_handler, mei_virtio_intr_handler); - - ret = mei_virtio_init_vqs(hw, vdev); - if (ret) - goto vqs_failed; - - virtio_cread(vdev, struct mei_virtio_cfg, - buf_depth, &hw->cfg.buf_depth); - - hw->recv_buf = kzalloc(mei_slots2data(hw->cfg.buf_depth), GFP_KERNEL); - if (!hw->recv_buf) { - ret = -ENOMEM; - goto hbuf_failed; - } - atomic_set(&hw->hbuf_ready, 0); - - virtio_device_ready(vdev); - - mei_device_init(&hw->mdev, &vdev->dev, &mei_virtio_ops); - - pm_runtime_get_noresume(&vdev->dev); - pm_runtime_set_active(&vdev->dev); - pm_runtime_enable(&vdev->dev); - - ret = mei_start(&hw->mdev); - if (ret) - goto mei_start_failed; - - pm_runtime_set_autosuspend_delay(&vdev->dev, MEI_VIRTIO_RPM_TIMEOUT); - pm_runtime_use_autosuspend(&vdev->dev); - - ret = mei_register(&hw->mdev, &vdev->dev); - if (ret) - goto mei_failed; - - pm_runtime_put(&vdev->dev); - - return 0; - -mei_failed: - mei_stop(&hw->mdev); -mei_start_failed: - mei_cancel_work(&hw->mdev); - mei_disable_interrupts(&hw->mdev); - kfree(hw->recv_buf); -hbuf_failed: - vdev->config->del_vqs(vdev); -vqs_failed: - return ret; -} - -static int __maybe_unused mei_virtio_pm_runtime_idle(struct device *device) -{ - struct virtio_device *vdev = dev_to_virtio(device); - struct mei_virtio_hw *hw = vdev->priv; - - dev_dbg(&vdev->dev, "rpm: mei_virtio : runtime_idle\n"); - - if (!hw) - return -ENODEV; - - if (mei_write_is_idle(&hw->mdev)) - pm_runtime_autosuspend(device); - - return -EBUSY; -} - -static int __maybe_unused mei_virtio_pm_runtime_suspend(struct device *device) -{ - return 0; -} - -static int __maybe_unused mei_virtio_pm_runtime_resume(struct device *device) -{ - return 0; -} - -static int __maybe_unused mei_virtio_freeze(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw = vdev->priv; - - dev_dbg(&vdev->dev, "freeze\n"); - - if (!hw) - return -ENODEV; - - mei_stop(&hw->mdev); - mei_disable_interrupts(&hw->mdev); - cancel_work_sync(&hw->intr_handler); - vdev->config->reset(vdev); - mei_virtio_remove_vqs(vdev); - - return 0; -} - -static int __maybe_unused mei_virtio_restore(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw = vdev->priv; - int ret; - - dev_dbg(&vdev->dev, "restore\n"); - - if (!hw) - return -ENODEV; - - ret = mei_virtio_init_vqs(hw, vdev); - if (ret) - return ret; - - virtio_device_ready(vdev); - - ret = mei_restart(&hw->mdev); - if (ret) - return ret; - - /* Start timer if stopped in suspend */ - schedule_delayed_work(&hw->mdev.timer_work, HZ); - - return 0; -} - -static const struct dev_pm_ops mei_virtio_pm_ops = { - SET_RUNTIME_PM_OPS(mei_virtio_pm_runtime_suspend, - mei_virtio_pm_runtime_resume, - mei_virtio_pm_runtime_idle) -}; - -static void mei_virtio_remove(struct virtio_device *vdev) -{ - struct mei_virtio_hw *hw = vdev->priv; - - mei_stop(&hw->mdev); - mei_disable_interrupts(&hw->mdev); - cancel_work_sync(&hw->intr_handler); - mei_deregister(&hw->mdev); - vdev->config->reset(vdev); - mei_virtio_remove_vqs(vdev); - kfree(hw->recv_buf); - pm_runtime_disable(&vdev->dev); -} - -static struct virtio_device_id id_table[] = { - { VIRTIO_ID_MEI, VIRTIO_DEV_ANY_ID }, - { } -}; - -static struct virtio_driver mei_virtio_driver = { - .id_table = id_table, - .probe = mei_virtio_probe, - .remove = mei_virtio_remove, - .config_changed = mei_virtio_config_changed, - .driver = { - .name = KBUILD_MODNAME, - .owner = THIS_MODULE, - .pm = &mei_virtio_pm_ops, - }, -#ifdef CONFIG_PM_SLEEP - .freeze = mei_virtio_freeze, - .restore = mei_virtio_restore, -#endif -}; - -module_virtio_driver(mei_virtio_driver); -MODULE_DEVICE_TABLE(virtio, id_table); -MODULE_DESCRIPTION("Virtio MEI frontend driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 1ccdbe89585b..1a9e9b9a4bf6 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -1295,12 +1295,22 @@ int c_can_power_up(struct net_device *dev) time_after(time_out, jiffies)) cpu_relax(); - if (time_after(jiffies, time_out)) - return -ETIMEDOUT; + if (time_after(jiffies, time_out)) { + ret = -ETIMEDOUT; + goto err_out; + } ret = c_can_start(dev); - if (!ret) - c_can_irq_control(priv, true); + if (ret) + goto err_out; + + c_can_irq_control(priv, true); + + return 0; + +err_out: + c_can_reset_ram(priv, false); + c_can_pm_runtime_put_sync(priv); return ret; } diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 72acd1ba162d..43151dd6cb1c 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -692,8 +692,10 @@ static int kvaser_pciefd_open(struct net_device *netdev) return err; err = kvaser_pciefd_bus_on(can); - if (err) + if (err) { + close_candev(netdev); return err; + } return 0; } diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c index e5d7d85e0b6d..7347ab39c5b6 100644 --- a/drivers/net/can/m_can/tcan4x5x.c +++ b/drivers/net/can/m_can/tcan4x5x.c @@ -489,18 +489,18 @@ static int tcan4x5x_can_probe(struct spi_device *spi) spi->bits_per_word = 32; ret = spi_setup(spi); if (ret) - goto out_clk; + goto out_m_can_class_free_dev; priv->regmap = devm_regmap_init(&spi->dev, &tcan4x5x_bus, &spi->dev, &tcan4x5x_regmap); if (IS_ERR(priv->regmap)) { ret = PTR_ERR(priv->regmap); - goto out_clk; + goto out_m_can_class_free_dev; } ret = tcan4x5x_power_enable(priv->power, 1); if (ret) - goto out_clk; + goto out_m_can_class_free_dev; ret = tcan4x5x_parse_config(mcan_class); if (ret) @@ -519,11 +519,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi) out_power: tcan4x5x_power_enable(priv->power, 0); -out_clk: - if (!IS_ERR(mcan_class->cclk)) { - clk_disable_unprepare(mcan_class->cclk); - clk_disable_unprepare(mcan_class->hclk); - } out_m_can_class_free_dev: m_can_class_free_dev(mcan_class->net); dev_err(&spi->dev, "Probe failed, err=%d\n", ret); diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 9f107798f904..25a4d7d0b349 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -474,7 +474,6 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) netdev_dbg(dev, "arbitration lost interrupt\n"); alc = priv->read_reg(priv, SJA1000_ALC); priv->can.can_stats.arbitration_lost++; - stats->tx_errors++; cf->can_id |= CAN_ERR_LOSTARB; cf->data[0] = alc & 0x1f; } diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c index e2c6cf4b2228..b3f2f4fe5ee0 100644 --- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -604,7 +604,6 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) netdev_dbg(dev, "arbitration lost interrupt\n"); alc = readl(priv->base + SUN4I_REG_STA_ADDR); priv->can.can_stats.arbitration_lost++; - stats->tx_errors++; if (likely(skb)) { cf->can_id |= CAN_ERR_LOSTARB; cf->data[0] = (alc >> 8) & 0x1f; diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 7fb42f388d59..7b79528d6eed 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -88,6 +88,7 @@ config BNX2 config CNIC tristate "QLogic CNIC support" depends on PCI && (IPV6 || IPV6=n) + depends on MMU select BNX2 select UIO help diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index e18e9ce27f94..1cc3c51eff71 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -3175,6 +3175,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, GFP_KERNEL | __GFP_COMP); if (!avail) { CH_ALERT(adapter, "free list queue 0 initialization failed\n"); + ret = -ENOMEM; goto err; } if (avail < q->fl[0].size) diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c index 96d561653496..50e3a70e5a29 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c @@ -1206,6 +1206,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, sk_setup_caps(newsk, dst); ctx = tls_get_ctx(lsk); newsk->sk_destruct = ctx->sk_destruct; + newsk->sk_prot_creator = lsk->sk_prot_creator; csk->sk = newsk; csk->passive_reap_next = oreq; csk->tx_chan = cxgb4_port_chan(ndev); diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_hw.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_hw.c index 62c829023da5..a4fb463af22a 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_hw.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_hw.c @@ -391,6 +391,7 @@ int chtls_setkey(struct chtls_sock *csk, u32 keylen, csk->wr_unacked += DIV_ROUND_UP(len, 16); enqueue_wr(csk, skb); cxgb4_ofld_send(csk->egress_dev, skb); + skb = NULL; chtls_set_scmd(csk); /* Clear quiesce for Rx key */ diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index d9c285948fc2..cb7c028b1bf5 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2120,6 +2120,15 @@ workaround: skb_copy_header(new_skb, skb); new_skb->dev = skb->dev; + /* Copy relevant timestamp info from the old skb to the new */ + if (priv->tx_tstamp) { + skb_shinfo(new_skb)->tx_flags = skb_shinfo(skb)->tx_flags; + skb_shinfo(new_skb)->hwtstamps = skb_shinfo(skb)->hwtstamps; + skb_shinfo(new_skb)->tskey = skb_shinfo(skb)->tskey; + if (skb->sk) + skb_set_owner_w(new_skb, skb->sk); + } + /* We move the headroom when we align it so we have to reset the * network and transport header offsets relative to the new data * pointer. The checksum offload relies on these offsets. @@ -2127,7 +2136,6 @@ workaround: skb_set_network_header(new_skb, skb_network_offset(skb)); skb_set_transport_header(new_skb, skb_transport_offset(skb)); - /* TODO: does timestamping need the result in the old skb? */ dev_kfree_skb(skb); *s = new_skb; diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 2491ebc97871..da9450f18717 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -834,7 +834,7 @@ static void release_napi(struct ibmvnic_adapter *adapter) static int ibmvnic_login(struct net_device *netdev) { struct ibmvnic_adapter *adapter = netdev_priv(netdev); - unsigned long timeout = msecs_to_jiffies(30000); + unsigned long timeout = msecs_to_jiffies(20000); int retry_count = 0; int retries = 10; bool retry; @@ -850,10 +850,8 @@ static int ibmvnic_login(struct net_device *netdev) adapter->init_done_rc = 0; reinit_completion(&adapter->init_done); rc = send_login(adapter); - if (rc) { - netdev_warn(netdev, "Unable to login\n"); + if (rc) return rc; - } if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { @@ -940,7 +938,7 @@ static void release_resources(struct ibmvnic_adapter *adapter) static int set_link_state(struct ibmvnic_adapter *adapter, u8 link_state) { struct net_device *netdev = adapter->netdev; - unsigned long timeout = msecs_to_jiffies(30000); + unsigned long timeout = msecs_to_jiffies(20000); union ibmvnic_crq crq; bool resend; int rc; @@ -1857,7 +1855,7 @@ static int do_change_param_reset(struct ibmvnic_adapter *adapter, if (reset_state == VNIC_OPEN) { rc = __ibmvnic_close(netdev); if (rc) - return rc; + goto out; } release_resources(adapter); @@ -1875,24 +1873,25 @@ static int do_change_param_reset(struct ibmvnic_adapter *adapter, } rc = ibmvnic_reset_init(adapter, true); - if (rc) - return IBMVNIC_INIT_FAILED; + if (rc) { + rc = IBMVNIC_INIT_FAILED; + goto out; + } /* If the adapter was in PROBE state prior to the reset, * exit here. */ if (reset_state == VNIC_PROBED) - return 0; + goto out; rc = ibmvnic_login(netdev); if (rc) { - adapter->state = reset_state; - return rc; + goto out; } rc = init_resources(adapter); if (rc) - return rc; + goto out; ibmvnic_disable_irqs(adapter); @@ -1902,8 +1901,10 @@ static int do_change_param_reset(struct ibmvnic_adapter *adapter, return 0; rc = __ibmvnic_open(netdev); - if (rc) - return IBMVNIC_OPEN_FAILED; + if (rc) { + rc = IBMVNIC_OPEN_FAILED; + goto out; + } /* refresh device's multicast list */ ibmvnic_set_multi(netdev); @@ -1912,7 +1913,10 @@ static int do_change_param_reset(struct ibmvnic_adapter *adapter, for (i = 0; i < adapter->req_rx_queues; i++) napi_schedule(&adapter->napi[i]); - return 0; +out: + if (rc) + adapter->state = reset_state; + return rc; } /** @@ -2015,7 +2019,6 @@ static int do_reset(struct ibmvnic_adapter *adapter, rc = ibmvnic_login(netdev); if (rc) { - adapter->state = reset_state; goto out; } @@ -2083,6 +2086,9 @@ static int do_reset(struct ibmvnic_adapter *adapter, rc = 0; out: + /* restore the adapter state if reset failed */ + if (rc) + adapter->state = reset_state; rtnl_unlock(); return rc; @@ -2115,43 +2121,46 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter, if (rc) { netdev_err(adapter->netdev, "Couldn't initialize crq. rc=%d\n", rc); - return rc; + goto out; } rc = ibmvnic_reset_init(adapter, false); if (rc) - return rc; + goto out; /* If the adapter was in PROBE state prior to the reset, * exit here. */ if (reset_state == VNIC_PROBED) - return 0; + goto out; rc = ibmvnic_login(netdev); - if (rc) { - adapter->state = VNIC_PROBED; - return 0; - } + if (rc) + goto out; rc = init_resources(adapter); if (rc) - return rc; + goto out; ibmvnic_disable_irqs(adapter); adapter->state = VNIC_CLOSED; if (reset_state == VNIC_CLOSED) - return 0; + goto out; rc = __ibmvnic_open(netdev); - if (rc) - return IBMVNIC_OPEN_FAILED; + if (rc) { + rc = IBMVNIC_OPEN_FAILED; + goto out; + } call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, netdev); call_netdevice_notifiers(NETDEV_RESEND_IGMP, netdev); - - return 0; +out: + /* restore adapter state if reset failed */ + if (rc) + adapter->state = reset_state; + return rc; } static struct ibmvnic_rwi *get_next_rwi(struct ibmvnic_adapter *adapter) @@ -2173,17 +2182,6 @@ static struct ibmvnic_rwi *get_next_rwi(struct ibmvnic_adapter *adapter) return rwi; } -static void free_all_rwi(struct ibmvnic_adapter *adapter) -{ - struct ibmvnic_rwi *rwi; - - rwi = get_next_rwi(adapter); - while (rwi) { - kfree(rwi); - rwi = get_next_rwi(adapter); - } -} - static void __ibmvnic_reset(struct work_struct *work) { struct ibmvnic_rwi *rwi; @@ -2241,20 +2239,23 @@ static void __ibmvnic_reset(struct work_struct *work) rc = do_hard_reset(adapter, rwi, reset_state); rtnl_unlock(); } + if (rc) { + /* give backing device time to settle down */ + netdev_dbg(adapter->netdev, + "[S:%d] Hard reset failed, waiting 60 secs\n", + adapter->state); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(60 * HZ); + } } else if (!(rwi->reset_reason == VNIC_RESET_FATAL && adapter->from_passive_init)) { rc = do_reset(adapter, rwi, reset_state); } kfree(rwi); - if (rc == IBMVNIC_OPEN_FAILED) { - if (list_empty(&adapter->rwi_list)) - adapter->state = VNIC_CLOSED; - else - adapter->state = reset_state; - rc = 0; - } else if (rc && rc != IBMVNIC_INIT_FAILED && - !adapter->force_reset_recovery) - break; + adapter->last_reset_time = jiffies; + + if (rc) + netdev_dbg(adapter->netdev, "Reset failed, rc=%d\n", rc); rwi = get_next_rwi(adapter); @@ -2268,11 +2269,6 @@ static void __ibmvnic_reset(struct work_struct *work) complete(&adapter->reset_done); } - if (rc) { - netdev_dbg(adapter->netdev, "Reset failed\n"); - free_all_rwi(adapter); - } - clear_bit_unlock(0, &adapter->resetting); } @@ -2360,7 +2356,13 @@ static void ibmvnic_tx_timeout(struct net_device *dev, unsigned int txqueue) "Adapter is resetting, skip timeout reset\n"); return; } - + /* No queuing up reset until at least 5 seconds (default watchdog val) + * after last reset + */ + if (time_before(jiffies, (adapter->last_reset_time + dev->watchdog_timeo))) { + netdev_dbg(dev, "Not yet time to tx timeout.\n"); + return; + } ibmvnic_reset(adapter, VNIC_RESET_TIMEOUT); } @@ -2402,6 +2404,12 @@ restart_poll: if (!pending_scrq(adapter, adapter->rx_scrq[scrq_num])) break; + /* The queue entry at the current index is peeked at above + * to determine that there is a valid descriptor awaiting + * processing. We want to be sure that the current slot + * holds a valid descriptor before reading its contents. + */ + dma_rmb(); next = ibmvnic_next_scrq(adapter, adapter->rx_scrq[scrq_num]); rx_buff = (struct ibmvnic_rx_buff *)be64_to_cpu(next-> @@ -2860,15 +2868,26 @@ static int reset_one_sub_crq_queue(struct ibmvnic_adapter *adapter, { int rc; + if (!scrq) { + netdev_dbg(adapter->netdev, + "Invalid scrq reset. irq (%d) or msgs (%p).\n", + scrq->irq, scrq->msgs); + return -EINVAL; + } + if (scrq->irq) { free_irq(scrq->irq, scrq); irq_dispose_mapping(scrq->irq); scrq->irq = 0; } - - memset(scrq->msgs, 0, 4 * PAGE_SIZE); - atomic_set(&scrq->used, 0); - scrq->cur = 0; + if (scrq->msgs) { + memset(scrq->msgs, 0, 4 * PAGE_SIZE); + atomic_set(&scrq->used, 0); + scrq->cur = 0; + } else { + netdev_dbg(adapter->netdev, "Invalid scrq reset\n"); + return -EINVAL; + } rc = h_reg_sub_crq(adapter->vdev->unit_address, scrq->msg_token, 4 * PAGE_SIZE, &scrq->crq_num, &scrq->hw_irq); @@ -3100,13 +3119,18 @@ restart_loop: unsigned int pool = scrq->pool_index; int num_entries = 0; + /* The queue entry at the current index is peeked at above + * to determine that there is a valid descriptor awaiting + * processing. We want to be sure that the current slot + * holds a valid descriptor before reading its contents. + */ + dma_rmb(); + next = ibmvnic_next_scrq(adapter, scrq); for (i = 0; i < next->tx_comp.num_comps; i++) { - if (next->tx_comp.rcs[i]) { + if (next->tx_comp.rcs[i]) dev_err(dev, "tx error %x\n", next->tx_comp.rcs[i]); - continue; - } index = be32_to_cpu(next->tx_comp.correlators[i]); if (index & IBMVNIC_TSO_POOL_MASK) { tx_pool = &adapter->tso_pool[pool]; @@ -3500,6 +3524,11 @@ static union sub_crq *ibmvnic_next_scrq(struct ibmvnic_adapter *adapter, } spin_unlock_irqrestore(&scrq->lock, flags); + /* Ensure that the entire buffer descriptor has been + * loaded before reading its contents + */ + dma_rmb(); + return entry; } @@ -3721,15 +3750,16 @@ static int send_login(struct ibmvnic_adapter *adapter) struct ibmvnic_login_rsp_buffer *login_rsp_buffer; struct ibmvnic_login_buffer *login_buffer; struct device *dev = &adapter->vdev->dev; + struct vnic_login_client_data *vlcd; dma_addr_t rsp_buffer_token; dma_addr_t buffer_token; size_t rsp_buffer_size; union ibmvnic_crq crq; + int client_data_len; size_t buffer_size; __be64 *tx_list_p; __be64 *rx_list_p; - int client_data_len; - struct vnic_login_client_data *vlcd; + int rc; int i; if (!adapter->tx_scrq || !adapter->rx_scrq) { @@ -3833,16 +3863,25 @@ static int send_login(struct ibmvnic_adapter *adapter) crq.login.cmd = LOGIN; crq.login.ioba = cpu_to_be32(buffer_token); crq.login.len = cpu_to_be32(buffer_size); - ibmvnic_send_crq(adapter, &crq); + + adapter->login_pending = true; + rc = ibmvnic_send_crq(adapter, &crq); + if (rc) { + adapter->login_pending = false; + netdev_err(adapter->netdev, "Failed to send login, rc=%d\n", rc); + goto buf_rsp_map_failed; + } return 0; buf_rsp_map_failed: kfree(login_rsp_buffer); + adapter->login_rsp_buf = NULL; buf_rsp_alloc_failed: dma_unmap_single(dev, buffer_token, buffer_size, DMA_TO_DEVICE); buf_map_failed: kfree(login_buffer); + adapter->login_buf = NULL; buf_alloc_failed: return -1; } @@ -4385,6 +4424,15 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, u64 *size_array; int i; + /* CHECK: Test/set of login_pending does not need to be atomic + * because only ibmvnic_tasklet tests/clears this. + */ + if (!adapter->login_pending) { + netdev_warn(netdev, "Ignoring unexpected login response\n"); + return 0; + } + adapter->login_pending = false; + dma_unmap_single(dev, adapter->login_buf_token, adapter->login_buf_sz, DMA_TO_DEVICE); dma_unmap_single(dev, adapter->login_rsp_buf_token, @@ -4414,7 +4462,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, adapter->req_rx_add_queues != be32_to_cpu(login_rsp->num_rxadd_subcrqs))) { dev_err(dev, "FATAL: Inconsistent login and login rsp\n"); - ibmvnic_remove(adapter->vdev); + ibmvnic_reset(adapter, VNIC_RESET_FATAL); return -EIO; } size_array = (u64 *)((u8 *)(adapter->login_rsp_buf) + @@ -4756,6 +4804,11 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, case IBMVNIC_CRQ_INIT: dev_info(dev, "Partner initialized\n"); adapter->from_passive_init = true; + /* Discard any stale login responses from prev reset. + * CHECK: should we clear even on INIT_COMPLETE? + */ + adapter->login_pending = false; + if (!completion_done(&adapter->init_done)) { complete(&adapter->init_done); adapter->init_done_rc = -EIO; @@ -5093,7 +5146,7 @@ map_failed: static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter, bool reset) { struct device *dev = &adapter->vdev->dev; - unsigned long timeout = msecs_to_jiffies(30000); + unsigned long timeout = msecs_to_jiffies(20000); u64 old_num_rx_queues, old_num_tx_queues; int rc; @@ -5188,6 +5241,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) dev_set_drvdata(&dev->dev, netdev); adapter->vdev = dev; adapter->netdev = netdev; + adapter->login_pending = false; ether_addr_copy(adapter->mac_addr, mac_addr_p); ether_addr_copy(netdev->dev_addr, adapter->mac_addr); @@ -5251,7 +5305,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) adapter->state = VNIC_PROBED; adapter->wait_for_reset = false; - + adapter->last_reset_time = jiffies; return 0; ibmvnic_register_fail: diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index 47a3fd71c96f..21e7ea858cda 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -1086,6 +1086,9 @@ struct ibmvnic_adapter { struct delayed_work ibmvnic_delayed_reset; unsigned long resetting; bool napi_enabled, from_passive_init; + bool login_pending; + /* last device reset time */ + unsigned long last_reset_time; bool failover_pending; bool force_reset_recovery; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index f6616c8933ca..cea886c5bcb5 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4426,6 +4426,7 @@ static int mvpp2_open(struct net_device *dev) if (!valid) { netdev_err(port->dev, "invalid configuration: no dt or link IRQ"); + err = -ENOENT; goto err_free_irq; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c index 97f1594cee11..e51f60b55daa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c @@ -44,6 +44,7 @@ static void accel_fs_tcp_set_ipv4_flow(struct mlx5_flow_spec *spec, struct sock outer_headers.dst_ipv4_dst_ipv6.ipv4_layout.ipv4); } +#if IS_ENABLED(CONFIG_IPV6) static void accel_fs_tcp_set_ipv6_flow(struct mlx5_flow_spec *spec, struct sock *sk) { MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol); @@ -63,6 +64,7 @@ static void accel_fs_tcp_set_ipv6_flow(struct mlx5_flow_spec *spec, struct sock outer_headers.dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 0xff, 16); } +#endif void mlx5e_accel_fs_del_sk(struct mlx5_flow_handle *rule) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 6dd3ea3cbbed..d97203cf6a00 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -161,7 +161,9 @@ ipsec_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb, } static inline void -mlx5e_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg) +mlx5e_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb, + struct mlx5e_accel_tx_state *accel, + struct mlx5_wqe_eth_seg *eseg) { if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM; @@ -173,6 +175,11 @@ mlx5e_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb, struct eseg->cs_flags |= MLX5_ETH_WQE_L4_CSUM; sq->stats->csum_partial++; } +#ifdef CONFIG_MLX5_EN_TLS + } else if (unlikely(accel && accel->tls.tls_tisn)) { + eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM | MLX5_ETH_WQE_L4_CSUM; + sq->stats->csum_partial++; +#endif } else if (unlikely(eseg->flow_table_metadata & cpu_to_be32(MLX5_ETH_WQE_FT_META_IPSEC))) { ipsec_txwqe_build_eseg_csum(sq, skb, eseg); @@ -607,12 +614,13 @@ void mlx5e_tx_mpwqe_ensure_complete(struct mlx5e_txqsq *sq) } static bool mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq, - struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg) + struct sk_buff *skb, struct mlx5e_accel_tx_state *accel, + struct mlx5_wqe_eth_seg *eseg) { if (unlikely(!mlx5e_accel_tx_eseg(priv, skb, eseg))) return false; - mlx5e_txwqe_build_eseg_csum(sq, skb, eseg); + mlx5e_txwqe_build_eseg_csum(sq, skb, accel, eseg); return true; } @@ -639,7 +647,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) if (mlx5e_tx_skb_supports_mpwqe(skb, &attr)) { struct mlx5_wqe_eth_seg eseg = {}; - if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &eseg))) + if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &eseg))) return NETDEV_TX_OK; mlx5e_sq_xmit_mpwqe(sq, skb, &eseg, netdev_xmit_more()); @@ -656,7 +664,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) /* May update the WQE, but may not post other WQEs. */ mlx5e_accel_tx_finish(sq, wqe, &accel, (struct mlx5_wqe_inline_seg *)(wqe->data + wqe_attr.ds_cnt_inl)); - if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &wqe->eth))) + if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &wqe->eth))) return NETDEV_TX_OK; mlx5e_sq_xmit_wqe(sq, skb, &attr, &wqe_attr, wqe, pi, netdev_xmit_more()); @@ -675,7 +683,7 @@ void mlx5e_sq_xmit_simple(struct mlx5e_txqsq *sq, struct sk_buff *skb, bool xmit mlx5e_sq_calc_wqe_attr(skb, &attr, &wqe_attr); pi = mlx5e_txqsq_get_next_pi(sq, wqe_attr.num_wqebbs); wqe = MLX5E_TX_FETCH_WQE(sq, pi); - mlx5e_txwqe_build_eseg_csum(sq, skb, &wqe->eth); + mlx5e_txwqe_build_eseg_csum(sq, skb, NULL, &wqe->eth); mlx5e_sq_xmit_wqe(sq, skb, &attr, &wqe_attr, wqe, pi, xmit_more); } @@ -944,7 +952,7 @@ void mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, mlx5i_txwqe_build_datagram(av, dqpn, dqkey, datagram); - mlx5e_txwqe_build_eseg_csum(sq, skb, eseg); + mlx5e_txwqe_build_eseg_csum(sq, skb, NULL, eseg); eseg->mss = attr.mss; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index 150638814517..4d7f8a357df7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -422,6 +422,24 @@ static void release_all_pages(struct mlx5_core_dev *dev, u32 func_id, npages, ec_function, func_id); } +static u32 fwp_fill_manage_pages_out(struct fw_page *fwp, u32 *out, u32 index, + u32 npages) +{ + u32 pages_set = 0; + unsigned int n; + + for_each_clear_bit(n, &fwp->bitmask, MLX5_NUM_4K_IN_PAGE) { + MLX5_ARRAY_SET64(manage_pages_out, out, pas, index + pages_set, + fwp->addr + (n * MLX5_ADAPTER_PAGE_SIZE)); + pages_set++; + + if (!--npages) + break; + } + + return pages_set; +} + static int reclaim_pages_cmd(struct mlx5_core_dev *dev, u32 *in, int in_size, u32 *out, int out_size) { @@ -448,8 +466,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev, fwp = rb_entry(p, struct fw_page, rb_node); p = rb_next(p); - MLX5_ARRAY_SET64(manage_pages_out, out, pas, i, fwp->addr); - i++; + i += fwp_fill_manage_pages_out(fwp, out, i, npages - i); } MLX5_SET(manage_pages_out, out, output_num_entries, i); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c index 6bd34b293007..51bbd88ff021 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c @@ -92,6 +92,7 @@ int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev, caps->eswitch_manager = MLX5_CAP_GEN(mdev, eswitch_manager); caps->gvmi = MLX5_CAP_GEN(mdev, vhca_id); caps->flex_protocols = MLX5_CAP_GEN(mdev, flex_parser_protocols); + caps->sw_format_ver = MLX5_CAP_GEN(mdev, steering_format_version); if (mlx5dr_matcher_supp_flex_parser_icmp_v4(caps)) { caps->flex_parser_id_icmp_dw0 = MLX5_CAP_GEN(mdev, flex_parser_id_icmp_dw0); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c index 890767a2a7cb..aa2c2d6c44e6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c @@ -223,6 +223,11 @@ static int dr_domain_caps_init(struct mlx5_core_dev *mdev, if (ret) return ret; + if (dmn->info.caps.sw_format_ver != MLX5_STEERING_FORMAT_CONNECTX_5) { + mlx5dr_err(dmn, "SW steering is not supported on this device\n"); + return -EOPNOTSUPP; + } + ret = dr_domain_query_fdb_caps(mdev, dmn); if (ret) return ret; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index f50f3b107aa3..cf62ea4f882e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -625,6 +625,7 @@ struct mlx5dr_cmd_caps { u8 max_ft_level; u16 roce_min_src_udp; u8 num_esw_ports; + u8 sw_format_ver; bool eswitch_manager; bool rx_sw_owner; bool tx_sw_owner; diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c b/drivers/net/ethernet/pasemi/pasemi_mac.c index be6660128b55..040a15a828b4 100644 --- a/drivers/net/ethernet/pasemi/pasemi_mac.c +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c @@ -1078,16 +1078,20 @@ static int pasemi_mac_open(struct net_device *dev) mac->tx = pasemi_mac_setup_tx_resources(dev); - if (!mac->tx) + if (!mac->tx) { + ret = -ENOMEM; goto out_tx_ring; + } /* We might already have allocated rings in case mtu was changed * before interface was brought up. */ if (dev->mtu > 1500 && !mac->num_cs) { pasemi_mac_setup_csrings(mac); - if (!mac->num_cs) + if (!mac->num_cs) { + ret = -ENOMEM; goto out_tx_ring; + } } /* Zero out rmon counters */ diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 1426bfc009bc..8ae9ce2014a4 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -257,11 +257,21 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, skb_dst_set(skb, &tun_dst->dst); /* Ignore packet loops (and multicast echo) */ - if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) { - geneve->dev->stats.rx_errors++; - goto drop; - } + if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) + goto rx_error; + switch (skb_protocol(skb, true)) { + case htons(ETH_P_IP): + if (pskb_may_pull(skb, sizeof(struct iphdr))) + goto rx_error; + break; + case htons(ETH_P_IPV6): + if (pskb_may_pull(skb, sizeof(struct ipv6hdr))) + goto rx_error; + break; + default: + goto rx_error; + } oiph = skb_network_header(skb); skb_reset_network_header(skb); @@ -298,6 +308,8 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, dev_sw_netstats_rx_add(geneve->dev, len); return; +rx_error: + geneve->dev->stats.rx_errors++; drop: /* Consume bad packet */ kfree_skb(skb); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1a557aeba32b..977f77e2c2ce 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3798,6 +3798,9 @@ static void vxlan_config_apply(struct net_device *dev, dev->gso_max_segs = lowerdev->gso_max_segs; needed_headroom = lowerdev->hard_header_len; + needed_headroom += lowerdev->needed_headroom; + + dev->needed_tailroom = lowerdev->needed_tailroom; max_mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); @@ -3877,8 +3880,10 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, if (dst->remote_ifindex) { remote_dev = __dev_get_by_index(net, dst->remote_ifindex); - if (!remote_dev) + if (!remote_dev) { + err = -ENODEV; goto errout; + } err = netdev_upper_dev_link(remote_dev, dev, extack); if (err) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index ca4967b81d01..580b07a43856 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -491,8 +491,8 @@ struct iwl_cfg { #define IWL_CFG_RF_ID_HR 0x7 #define IWL_CFG_RF_ID_HR1 0x4 -#define IWL_CFG_NO_160 0x0 -#define IWL_CFG_160 0x1 +#define IWL_CFG_NO_160 0x1 +#define IWL_CFG_160 0x0 #define IWL_CFG_CORES_BT 0x0 #define IWL_CFG_CORES_BT_GNSS 0x5 diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 129021f26791..7b5ece380fbf 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -536,9 +536,15 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2725, 0x0090, iwlax211_2ax_cfg_so_gf_a0)}, {IWL_PCI_DEVICE(0x2725, 0x0020, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0x0024, iwlax210_2ax_cfg_ty_gf_a0)}, {IWL_PCI_DEVICE(0x2725, 0x0310, iwlax210_2ax_cfg_ty_gf_a0)}, {IWL_PCI_DEVICE(0x2725, 0x0510, iwlax210_2ax_cfg_ty_gf_a0)}, {IWL_PCI_DEVICE(0x2725, 0x0A10, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0xE020, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0xE024, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0x4020, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0x6020, iwlax210_2ax_cfg_ty_gf_a0)}, + {IWL_PCI_DEVICE(0x2725, 0x6024, iwlax210_2ax_cfg_ty_gf_a0)}, {IWL_PCI_DEVICE(0x2725, 0x00B0, iwlax411_2ax_cfg_sosnj_gf4_a0)}, {IWL_PCI_DEVICE(0x2726, 0x0070, iwlax201_cfg_snj_hr_b0)}, {IWL_PCI_DEVICE(0x2726, 0x0074, iwlax201_cfg_snj_hr_b0)}, diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c index 7d3f0a2e5fa0..f1ae9ff835b2 100644 --- a/drivers/net/wireless/mediatek/mt76/usb.c +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -1020,8 +1020,6 @@ void mt76u_stop_tx(struct mt76_dev *dev) { int ret; - mt76_worker_disable(&dev->tx_worker); - ret = wait_event_timeout(dev->tx_wait, !mt76_has_tx_pending(&dev->phy), HZ / 5); if (!ret) { @@ -1040,6 +1038,8 @@ void mt76u_stop_tx(struct mt76_dev *dev) usb_kill_urb(q->entry[j].urb); } + mt76_worker_disable(&dev->tx_worker); + /* On device removal we maight queue skb's, but mt76u_tx_kick() * will fail to submit urb, cleanup those skb's manually. */ @@ -1048,18 +1048,19 @@ void mt76u_stop_tx(struct mt76_dev *dev) if (!q) continue; - entry = q->entry[q->tail]; - q->entry[q->tail].done = false; - - mt76_queue_tx_complete(dev, q, &entry); + while (q->queued > 0) { + entry = q->entry[q->tail]; + q->entry[q->tail].done = false; + mt76_queue_tx_complete(dev, q, &entry); + } } + + mt76_worker_enable(&dev->tx_worker); } cancel_work_sync(&dev->usb.stat_work); clear_bit(MT76_READING_STATS, &dev->phy.state); - mt76_worker_enable(&dev->tx_worker); - mt76_tx_status_check(dev, NULL, true); } EXPORT_SYMBOL_GPL(mt76u_stop_tx); diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c index 3852c4f0ac0b..efbba9caef3b 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.c +++ b/drivers/net/wireless/realtek/rtw88/debug.c @@ -147,6 +147,8 @@ static int rtw_debugfs_copy_from_user(char tmp[], int size, { int tmp_len; + memset(tmp, 0, size); + if (count < num) return -EFAULT; diff --git a/drivers/pwm/pwm-sl28cpld.c b/drivers/pwm/pwm-sl28cpld.c index 5046b6b7fd35..b4c651fc749c 100644 --- a/drivers/pwm/pwm-sl28cpld.c +++ b/drivers/pwm/pwm-sl28cpld.c @@ -84,12 +84,14 @@ struct sl28cpld_pwm { struct regmap *regmap; u32 offset; }; +#define sl28cpld_pwm_from_chip(_chip) \ + container_of(_chip, struct sl28cpld_pwm, pwm_chip) static void sl28cpld_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { - struct sl28cpld_pwm *priv = dev_get_drvdata(chip->dev); + struct sl28cpld_pwm *priv = sl28cpld_pwm_from_chip(chip); unsigned int reg; int prescaler; @@ -118,7 +120,7 @@ static void sl28cpld_pwm_get_state(struct pwm_chip *chip, static int sl28cpld_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { - struct sl28cpld_pwm *priv = dev_get_drvdata(chip->dev); + struct sl28cpld_pwm *priv = sl28cpld_pwm_from_chip(chip); unsigned int cycle, prescaler; bool write_duty_cycle_first; int ret; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index e4cc92bc4d94..bb940cbcbb5d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -6459,7 +6459,7 @@ _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc) r = _base_handshake_req_reply_wait(ioc, sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, - sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10); + sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 30); if (r != 0) { ioc_err(ioc, "%s: handshake failed (r=%d)\n", __func__, r); diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 0f2b681449e6..edd26a2570fa 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -664,7 +664,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request = NULL; struct _pcie_device *pcie_device = NULL; u16 smid; - u8 timeout; + unsigned long timeout; u8 issue_reset; u32 sz, sz_arg; void *psge; diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 0c65fbd41035..99c8ff81de74 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1246,6 +1246,11 @@ static void storvsc_on_channel_callback(void *context) request = (struct storvsc_cmd_request *) ((unsigned long)desc->trans_id); + if (hv_pkt_datalen(desc) < sizeof(struct vstor_packet) - vmscsi_size_delta) { + dev_err(&device->device, "Invalid packet len\n"); + continue; + } + if (request == &stor_device->init_request || request == &stor_device->reset_request) { memcpy(&request->vstor_packet, packet, @@ -1994,8 +1999,10 @@ static int storvsc_probe(struct hv_device *device, alloc_ordered_workqueue("storvsc_error_wq_%d", WQ_MEM_RECLAIM, host->host_no); - if (!host_dev->handle_error_wq) + if (!host_dev->handle_error_wq) { + ret = -ENOMEM; goto err_out2; + } INIT_WORK(&host_dev->host_scan_work, storvsc_host_scan); /* Register the HBA and start the scsi bus scan */ ret = scsi_add_host(host, &device->device); diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c index 977ba91f4d0e..82c46b200c34 100644 --- a/drivers/thunderbolt/icm.c +++ b/drivers/thunderbolt/icm.c @@ -1976,7 +1976,9 @@ static int complete_rpm(struct device *dev, void *data) static void remove_unplugged_switch(struct tb_switch *sw) { - pm_runtime_get_sync(sw->dev.parent); + struct device *parent = get_device(sw->dev.parent); + + pm_runtime_get_sync(parent); /* * Signal this and switches below for rpm_complete because @@ -1987,8 +1989,10 @@ static void remove_unplugged_switch(struct tb_switch *sw) bus_for_each_dev(&tb_bus_type, &sw->dev, NULL, complete_rpm); tb_switch_remove(sw); - pm_runtime_mark_last_busy(sw->dev.parent); - pm_runtime_put_autosuspend(sw->dev.parent); + pm_runtime_mark_last_busy(parent); + pm_runtime_put_autosuspend(parent); + + put_device(parent); } static void icm_free_unplugged_children(struct tb_switch *sw) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 9f8b9a567b35..56ade99ef99f 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2897,10 +2897,14 @@ void __do_SAK(struct tty_struct *tty) struct task_struct *g, *p; struct pid *session; int i; + unsigned long flags; if (!tty) return; - session = tty->session; + + spin_lock_irqsave(&tty->ctrl_lock, flags); + session = get_pid(tty->session); + spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty_ldisc_flush(tty); @@ -2932,6 +2936,7 @@ void __do_SAK(struct tty_struct *tty) task_unlock(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); + put_pid(session); #endif } diff --git a/drivers/tty/tty_jobctrl.c b/drivers/tty/tty_jobctrl.c index 28a23a0fef21..aa6d0537b379 100644 --- a/drivers/tty/tty_jobctrl.c +++ b/drivers/tty/tty_jobctrl.c @@ -103,8 +103,8 @@ static void __proc_set_tty(struct tty_struct *tty) put_pid(tty->session); put_pid(tty->pgrp); tty->pgrp = get_pid(task_pgrp(current)); - spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty->session = get_pid(task_session(current)); + spin_unlock_irqrestore(&tty->ctrl_lock, flags); if (current->signal->tty) { tty_debug(tty, "current tty %s not NULL!!\n", current->signal->tty->name); @@ -293,20 +293,23 @@ void disassociate_ctty(int on_exit) spin_lock_irq(¤t->sighand->siglock); put_pid(current->signal->tty_old_pgrp); current->signal->tty_old_pgrp = NULL; - tty = tty_kref_get(current->signal->tty); + spin_unlock_irq(¤t->sighand->siglock); + if (tty) { unsigned long flags; + + tty_lock(tty); spin_lock_irqsave(&tty->ctrl_lock, flags); put_pid(tty->session); put_pid(tty->pgrp); tty->session = NULL; tty->pgrp = NULL; spin_unlock_irqrestore(&tty->ctrl_lock, flags); + tty_unlock(tty); tty_kref_put(tty); } - spin_unlock_irq(¤t->sighand->siglock); /* Now clear signal->tty under the lock */ read_lock(&tasklist_lock); session_clear_tty(task_session(current)); @@ -477,14 +480,19 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t return -ENOTTY; if (retval) return retval; - if (!current->signal->tty || - (current->signal->tty != real_tty) || - (real_tty->session != task_session(current))) - return -ENOTTY; + if (get_user(pgrp_nr, p)) return -EFAULT; if (pgrp_nr < 0) return -EINVAL; + + spin_lock_irq(&real_tty->ctrl_lock); + if (!current->signal->tty || + (current->signal->tty != real_tty) || + (real_tty->session != task_session(current))) { + retval = -ENOTTY; + goto out_unlock_ctrl; + } rcu_read_lock(); pgrp = find_vpid(pgrp_nr); retval = -ESRCH; @@ -494,12 +502,12 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t if (session_of_pgrp(pgrp) != task_session(current)) goto out_unlock; retval = 0; - spin_lock_irq(&tty->ctrl_lock); put_pid(real_tty->pgrp); real_tty->pgrp = get_pid(pgrp); - spin_unlock_irq(&tty->ctrl_lock); out_unlock: rcu_read_unlock(); +out_unlock_ctrl: + spin_unlock_irq(&real_tty->ctrl_lock); return retval; } @@ -511,20 +519,30 @@ out_unlock: * * Obtain the session id of the tty. If there is no session * return an error. - * - * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) { + unsigned long flags; + pid_t sid; + /* * (tty == real_tty) is a cheap way of * testing if the tty is NOT a master pty. */ if (tty == real_tty && current->signal->tty != real_tty) return -ENOTTY; + + spin_lock_irqsave(&real_tty->ctrl_lock, flags); if (!real_tty->session) - return -ENOTTY; - return put_user(pid_vnr(real_tty->session), p); + goto err; + sid = pid_vnr(real_tty->session); + spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); + + return put_user(sid, p); + +err: + spin_unlock_irqrestore(&real_tty->ctrl_lock, flags); + return -ENOTTY; } /* diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index a0f73d4711ae..039ab5d2435e 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -427,7 +427,6 @@ static irqreturn_t cdns3_wakeup_irq(int irq, void *data) */ static int cdns3_probe(struct platform_device *pdev) { - struct usb_role_switch_desc sw_desc = { }; struct device *dev = &pdev->dev; struct resource *res; struct cdns3 *cdns; @@ -529,18 +528,21 @@ static int cdns3_probe(struct platform_device *pdev) if (ret) goto err2; - sw_desc.set = cdns3_role_set; - sw_desc.get = cdns3_role_get; - sw_desc.allow_userspace_control = true; - sw_desc.driver_data = cdns; - if (device_property_read_bool(dev, "usb-role-switch")) + if (device_property_read_bool(dev, "usb-role-switch")) { + struct usb_role_switch_desc sw_desc = { }; + + sw_desc.set = cdns3_role_set; + sw_desc.get = cdns3_role_get; + sw_desc.allow_userspace_control = true; + sw_desc.driver_data = cdns; sw_desc.fwnode = dev->fwnode; - cdns->role_sw = usb_role_switch_register(dev, &sw_desc); - if (IS_ERR(cdns->role_sw)) { - ret = PTR_ERR(cdns->role_sw); - dev_warn(dev, "Unable to register Role Switch\n"); - goto err3; + cdns->role_sw = usb_role_switch_register(dev, &sw_desc); + if (IS_ERR(cdns->role_sw)) { + ret = PTR_ERR(cdns->role_sw); + dev_warn(dev, "Unable to register Role Switch\n"); + goto err3; + } } if (cdns->wakeup_irq) { @@ -551,7 +553,7 @@ static int cdns3_probe(struct platform_device *pdev) if (ret) { dev_err(cdns->dev, "couldn't register wakeup irq handler\n"); - goto err3; + goto err4; } } @@ -582,7 +584,8 @@ static int cdns3_probe(struct platform_device *pdev) return 0; err4: cdns3_drd_exit(cdns); - usb_role_switch_unregister(cdns->role_sw); + if (cdns->role_sw) + usb_role_switch_unregister(cdns->role_sw); err3: set_phy_power_off(cdns); err2: diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 365f30fb1159..0aa85cc07ff1 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -1260,6 +1260,7 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, priv_req->end_trb = priv_ep->enqueue; cdns3_ep_inc_enq(priv_ep); trb = priv_ep->trb_pool + priv_ep->enqueue; + trb->length = 0; } while (sg_iter < num_trb); trb = priv_req->trb; diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 046f770a76da..c727cb5de871 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1324,7 +1324,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, case FUNCTIONFS_ENDPOINT_DESC: { int desc_idx; - struct usb_endpoint_descriptor *desc; + struct usb_endpoint_descriptor desc1, *desc; switch (epfile->ffs->gadget->speed) { case USB_SPEED_SUPER: @@ -1336,10 +1336,12 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, default: desc_idx = 0; } + desc = epfile->ep->descs[desc_idx]; + memcpy(&desc1, desc, desc->bLength); spin_unlock_irq(&epfile->ffs->eps_lock); - ret = copy_to_user((void __user *)value, desc, desc->bLength); + ret = copy_to_user((void __user *)value, &desc1, desc1.bLength); if (ret) ret = -EFAULT; return ret; diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 9ccdf2c216b5..6374501ba139 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -91,14 +91,14 @@ static int omap_ohci_transceiver_power(struct ohci_omap_priv *priv, int on) | ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), INNOVATOR_FPGA_CAM_USB_CONTROL); else if (priv->power) - gpiod_set_value(priv->power, 0); + gpiod_set_value_cansleep(priv->power, 0); } else { if (machine_is_omap_innovator() && cpu_is_omap1510()) __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL) & ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)), INNOVATOR_FPGA_CAM_USB_CONTROL); else if (priv->power) - gpiod_set_value(priv->power, 1); + gpiod_set_value_cansleep(priv->power, 1); } return 0; diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index a2e2f56c88cd..28deaaec581f 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -81,10 +81,11 @@ #define CH341_QUIRK_SIMULATE_BREAK BIT(1) static const struct usb_device_id id_table[] = { - { USB_DEVICE(0x4348, 0x5523) }, + { USB_DEVICE(0x1a86, 0x5512) }, + { USB_DEVICE(0x1a86, 0x5523) }, { USB_DEVICE(0x1a86, 0x7522) }, { USB_DEVICE(0x1a86, 0x7523) }, - { USB_DEVICE(0x1a86, 0x5523) }, + { USB_DEVICE(0x4348, 0x5523) }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 5ee48b0650c4..5f6b82ebccc5 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -276,12 +276,12 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) priv->cfg.unknown2 = cfg->unknown2; spin_unlock_irqrestore(&priv->lock, flags); + kfree(cfg); + /* READ_ON and urb submission */ rc = usb_serial_generic_open(tty, port); - if (rc) { - retval = rc; - goto err_free_cfg; - } + if (rc) + return rc; rc = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), @@ -324,8 +324,6 @@ err_disable_read: KLSI_TIMEOUT); err_generic_close: usb_serial_generic_close(port); -err_free_cfg: - kfree(cfg); return retval; } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 54ca85cc920d..56d6f6d83bd7 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -419,6 +419,7 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_PH8 0x0053 #define CINTERION_PRODUCT_AHXX 0x0055 #define CINTERION_PRODUCT_PLXX 0x0060 +#define CINTERION_PRODUCT_EXS82 0x006c #define CINTERION_PRODUCT_PH8_2RMNET 0x0082 #define CINTERION_PRODUCT_PH8_AUDIO 0x0083 #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 @@ -1105,9 +1106,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0xff, 0xff), .driver_info = NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0, 0) }, - { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0xff, 0xff), - .driver_info = NUMEP2 }, - { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96, 0xff, 0, 0) }, + { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96), + .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) }, @@ -1902,6 +1902,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff), .driver_info = RSVD(0) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EXS82, 0xff) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, @@ -2046,12 +2047,13 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, { USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */ .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, - { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */ + { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ .driver_info = RSVD(4) | RSVD(5) }, { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */ .driver_info = RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */ diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 560efd1479ba..e5a971b83e3f 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -92,7 +92,7 @@ static int slave_alloc (struct scsi_device *sdev) static int slave_configure(struct scsi_device *sdev) { struct us_data *us = host_to_us(sdev->host); - struct device *dev = sdev->host->dma_dev; + struct device *dev = us->pusb_dev->bus->sysdev; /* * Many devices have trouble transferring more than 32KB at a time, diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index c8a577309e8f..652d6d6f1f36 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -837,24 +837,17 @@ static int uas_slave_alloc(struct scsi_device *sdev) */ blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1)); + if (devinfo->flags & US_FL_MAX_SECTORS_64) + blk_queue_max_hw_sectors(sdev->request_queue, 64); + else if (devinfo->flags & US_FL_MAX_SECTORS_240) + blk_queue_max_hw_sectors(sdev->request_queue, 240); + return 0; } static int uas_slave_configure(struct scsi_device *sdev) { struct uas_dev_info *devinfo = sdev->hostdata; - struct device *dev = sdev->host->dma_dev; - - if (devinfo->flags & US_FL_MAX_SECTORS_64) - blk_queue_max_hw_sectors(sdev->request_queue, 64); - else if (devinfo->flags & US_FL_MAX_SECTORS_240) - blk_queue_max_hw_sectors(sdev->request_queue, 240); - else if (devinfo->udev->speed >= USB_SPEED_SUPER) - blk_queue_max_hw_sectors(sdev->request_queue, 2048); - - blk_queue_max_hw_sectors(sdev->request_queue, - min_t(size_t, queue_max_hw_sectors(sdev->request_queue), - dma_max_mapping_size(dev) >> SECTOR_SHIFT)); if (devinfo->flags & US_FL_NO_REPORT_OPCODES) sdev->no_report_opcodes = 1; @@ -1040,7 +1033,7 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) shost->can_queue = devinfo->qdepth - 2; usb_set_intfdata(intf, shost); - result = scsi_add_host_with_dma(shost, &intf->dev, udev->bus->sysdev); + result = scsi_add_host(shost, &intf->dev); if (result) goto free_streams; diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index c2ef367cf257..94a64729dc27 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -1049,9 +1049,8 @@ int usb_stor_probe2(struct us_data *us) goto BadDevice; usb_autopm_get_interface_no_resume(us->pusb_intf); snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s", - dev_name(dev)); - result = scsi_add_host_with_dma(us_to_host(us), dev, - us->pusb_dev->bus->sysdev); + dev_name(&us->pusb_intf->dev)); + result = scsi_add_host(us_to_host(us), dev); if (result) { dev_warn(dev, "Unable to add the scsi host\n"); diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig index 358f6048dd3c..6caf539091e5 100644 --- a/drivers/vdpa/Kconfig +++ b/drivers/vdpa/Kconfig @@ -32,6 +32,7 @@ config IFCVF config MLX5_VDPA bool + select VHOST_IOTLB help Support library for Mellanox VDPA drivers. Provides code that is common for all types of VDPA drivers. The following drivers are planned: diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index f22fce549862..6ff8a5096691 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -220,6 +220,7 @@ struct vhost_scsi_tmf { struct list_head queue_entry; struct se_cmd se_cmd; + u8 scsi_resp; struct vhost_scsi_inflight *inflight; struct iovec resp_iov; int in_iovs; @@ -426,6 +427,7 @@ static void vhost_scsi_queue_tm_rsp(struct se_cmd *se_cmd) struct vhost_scsi_tmf *tmf = container_of(se_cmd, struct vhost_scsi_tmf, se_cmd); + tmf->scsi_resp = se_cmd->se_tmr_req->response; transport_generic_free_cmd(&tmf->se_cmd, 0); } @@ -1183,7 +1185,7 @@ static void vhost_scsi_tmf_resp_work(struct vhost_work *work) vwork); int resp_code; - if (tmf->se_cmd.se_tmr_req->response == TMR_FUNCTION_COMPLETE) + if (tmf->scsi_resp == TMR_FUNCTION_COMPLETE) resp_code = VIRTIO_SCSI_S_FUNCTION_SUCCEEDED; else resp_code = VIRTIO_SCSI_S_FUNCTION_REJECTED; diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 2754f3069738..29ed4173f04e 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -348,7 +348,9 @@ static long vhost_vdpa_get_iova_range(struct vhost_vdpa *v, u32 __user *argp) .last = v->range.last, }; - return copy_to_user(argp, &range, sizeof(range)); + if (copy_to_user(argp, &range, sizeof(range))) + return -EFAULT; + return 0; } static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, @@ -577,6 +579,8 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, if (r) vhost_iotlb_del_range(dev->iotlb, iova, iova + size - 1); + else + atomic64_add(size >> PAGE_SHIFT, &dev->mm->pinned_vm); return r; } @@ -608,8 +612,9 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, unsigned long list_size = PAGE_SIZE / sizeof(struct page *); unsigned int gup_flags = FOLL_LONGTERM; unsigned long npages, cur_base, map_pfn, last_pfn = 0; - unsigned long locked, lock_limit, pinned, i; + unsigned long lock_limit, sz2pin, nchunks, i; u64 iova = msg->iova; + long pinned; int ret = 0; if (msg->iova < v->range.first || @@ -620,6 +625,7 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, msg->iova + msg->size - 1)) return -EEXIST; + /* Limit the use of memory for bookkeeping */ page_list = (struct page **) __get_free_page(GFP_KERNEL); if (!page_list) return -ENOMEM; @@ -628,52 +634,75 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, gup_flags |= FOLL_WRITE; npages = PAGE_ALIGN(msg->size + (iova & ~PAGE_MASK)) >> PAGE_SHIFT; - if (!npages) - return -EINVAL; + if (!npages) { + ret = -EINVAL; + goto free; + } mmap_read_lock(dev->mm); - locked = atomic64_add_return(npages, &dev->mm->pinned_vm); lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; - - if (locked > lock_limit) { + if (npages + atomic64_read(&dev->mm->pinned_vm) > lock_limit) { ret = -ENOMEM; - goto out; + goto unlock; } cur_base = msg->uaddr & PAGE_MASK; iova &= PAGE_MASK; + nchunks = 0; while (npages) { - pinned = min_t(unsigned long, npages, list_size); - ret = pin_user_pages(cur_base, pinned, - gup_flags, page_list, NULL); - if (ret != pinned) + sz2pin = min_t(unsigned long, npages, list_size); + pinned = pin_user_pages(cur_base, sz2pin, + gup_flags, page_list, NULL); + if (sz2pin != pinned) { + if (pinned < 0) { + ret = pinned; + } else { + unpin_user_pages(page_list, pinned); + ret = -ENOMEM; + } goto out; + } + nchunks++; if (!last_pfn) map_pfn = page_to_pfn(page_list[0]); - for (i = 0; i < ret; i++) { + for (i = 0; i < pinned; i++) { unsigned long this_pfn = page_to_pfn(page_list[i]); u64 csize; if (last_pfn && (this_pfn != last_pfn + 1)) { /* Pin a contiguous chunk of memory */ csize = (last_pfn - map_pfn + 1) << PAGE_SHIFT; - if (vhost_vdpa_map(v, iova, csize, - map_pfn << PAGE_SHIFT, - msg->perm)) + ret = vhost_vdpa_map(v, iova, csize, + map_pfn << PAGE_SHIFT, + msg->perm); + if (ret) { + /* + * Unpin the pages that are left unmapped + * from this point on in the current + * page_list. The remaining outstanding + * ones which may stride across several + * chunks will be covered in the common + * error path subsequently. + */ + unpin_user_pages(&page_list[i], + pinned - i); goto out; + } + map_pfn = this_pfn; iova += csize; + nchunks = 0; } last_pfn = this_pfn; } - cur_base += ret << PAGE_SHIFT; - npages -= ret; + cur_base += pinned << PAGE_SHIFT; + npages -= pinned; } /* Pin the rest chunk */ @@ -681,10 +710,27 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, map_pfn << PAGE_SHIFT, msg->perm); out: if (ret) { + if (nchunks) { + unsigned long pfn; + + /* + * Unpin the outstanding pages which are yet to be + * mapped but haven't due to vdpa_map() or + * pin_user_pages() failure. + * + * Mapped pages are accounted in vdpa_map(), hence + * the corresponding unpinning will be handled by + * vdpa_unmap(). + */ + WARN_ON(!last_pfn); + for (pfn = map_pfn; pfn <= last_pfn; pfn++) + unpin_user_page(pfn_to_page(pfn)); + } vhost_vdpa_unmap(v, msg->iova, msg->size); - atomic64_sub(npages, &dev->mm->pinned_vm); } +unlock: mmap_read_unlock(dev->mm); +free: free_page((unsigned long)page_list); return ret; } diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index 8bd8b403f087..b7403ba8e7f7 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -730,7 +730,7 @@ EXPORT_SYMBOL(vringh_iov_pull_user); /** * vringh_iov_push_user - copy bytes into vring_iov. * @wiov: the wiov as passed to vringh_getdesc_user() (updated as we consume) - * @dst: the place to copy. + * @src: the place to copy from. * @len: the maximum length to copy. * * Returns the bytes copied <= len or a negative errno. @@ -976,7 +976,7 @@ EXPORT_SYMBOL(vringh_iov_pull_kern); /** * vringh_iov_push_kern - copy bytes into vring_iov. * @wiov: the wiov as passed to vringh_getdesc_kern() (updated as we consume) - * @dst: the place to copy. + * @src: the place to copy from. * @len: the maximum length to copy. * * Returns the bytes copied <= len or a negative errno. @@ -1333,7 +1333,7 @@ EXPORT_SYMBOL(vringh_iov_pull_iotlb); * vringh_iov_push_iotlb - copy bytes into vring_iov. * @vrh: the vring. * @wiov: the wiov as passed to vringh_getdesc_iotlb() (updated as we consume) - * @dst: the place to copy. + * @src: the place to copy from. * @len: the maximum length to copy. * * Returns the bytes copied <= len or a negative errno. diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index b177fd3b1eb3..be5768949cb1 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -655,6 +655,8 @@ const struct file_operations v9fs_cached_file_operations = { .release = v9fs_dir_release, .lock = v9fs_file_lock, .mmap = v9fs_file_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync, }; @@ -667,6 +669,8 @@ const struct file_operations v9fs_cached_file_operations_dotl = { .lock = v9fs_file_lock_dotl, .flock = v9fs_file_flock_dotl, .mmap = v9fs_file_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync_dotl, }; @@ -678,6 +682,8 @@ const struct file_operations v9fs_file_operations = { .release = v9fs_dir_release, .lock = v9fs_file_lock, .mmap = generic_file_readonly_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync, }; @@ -690,6 +696,8 @@ const struct file_operations v9fs_file_operations_dotl = { .lock = v9fs_file_lock_dotl, .flock = v9fs_file_flock_dotl, .mmap = generic_file_readonly_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync_dotl, }; @@ -701,6 +709,8 @@ const struct file_operations v9fs_mmap_file_operations = { .release = v9fs_dir_release, .lock = v9fs_file_lock, .mmap = v9fs_mmap_file_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync, }; @@ -713,5 +723,7 @@ const struct file_operations v9fs_mmap_file_operations_dotl = { .lock = v9fs_file_lock_dotl, .flock = v9fs_file_flock_dotl, .mmap = v9fs_mmap_file_mmap, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, .fsync = v9fs_file_fsync_dotl, }; diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index c38156f324dd..44f9cce57099 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -876,6 +876,8 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server) list_del_init(&server->tcp_ses_list); spin_unlock(&cifs_tcp_ses_lock); + cancel_delayed_work_sync(&server->echo); + spin_lock(&GlobalMid_Lock); server->tcpStatus = CifsExiting; spin_unlock(&GlobalMid_Lock); @@ -4544,7 +4546,8 @@ static void set_root_ses(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses, if (ses) { spin_lock(&cifs_tcp_ses_lock); ses->ses_count++; - ses->tcon_ipc->remap = cifs_remap(cifs_sb); + if (ses->tcon_ipc) + ses->tcon_ipc->remap = cifs_remap(cifs_sb); spin_unlock(&cifs_tcp_ses_lock); } *root_ses = ses; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index dab94f67c988..3d914d7d0d11 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3114,8 +3114,8 @@ smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon, rqst[1].rq_nvec = SMB2_IOCTL_IOV_SIZE; rc = SMB2_ioctl_init(tcon, server, - &rqst[1], fid.persistent_fid, - fid.volatile_fid, FSCTL_GET_REPARSE_POINT, + &rqst[1], COMPOUND_FID, + COMPOUND_FID, FSCTL_GET_REPARSE_POINT, true /* is_fctl */, NULL, 0, CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE - diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 445e80862865..acb72705062d 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2272,17 +2272,15 @@ static struct crt_sd_ctxt * create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) { struct crt_sd_ctxt *buf; - struct cifs_ace *pace; - unsigned int sdlen, acelen; + __u8 *ptr, *aclptr; + unsigned int acelen, acl_size, ace_count; unsigned int owner_offset = 0; unsigned int group_offset = 0; + struct smb3_acl acl; - *len = roundup(sizeof(struct crt_sd_ctxt) + (sizeof(struct cifs_ace) * 2), 8); + *len = roundup(sizeof(struct crt_sd_ctxt) + (sizeof(struct cifs_ace) * 4), 8); if (set_owner) { - /* offset fields are from beginning of security descriptor not of create context */ - owner_offset = sizeof(struct smb3_acl) + (sizeof(struct cifs_ace) * 2); - /* sizeof(struct owner_group_sids) is already multiple of 8 so no need to round */ *len += sizeof(struct owner_group_sids); } @@ -2291,26 +2289,22 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) if (buf == NULL) return buf; + ptr = (__u8 *)&buf[1]; if (set_owner) { + /* offset fields are from beginning of security descriptor not of create context */ + owner_offset = ptr - (__u8 *)&buf->sd; buf->sd.OffsetOwner = cpu_to_le32(owner_offset); - group_offset = owner_offset + sizeof(struct owner_sid); + group_offset = owner_offset + offsetof(struct owner_group_sids, group); buf->sd.OffsetGroup = cpu_to_le32(group_offset); + + setup_owner_group_sids(ptr); + ptr += sizeof(struct owner_group_sids); } else { buf->sd.OffsetOwner = 0; buf->sd.OffsetGroup = 0; } - sdlen = sizeof(struct smb3_sd) + sizeof(struct smb3_acl) + - 2 * sizeof(struct cifs_ace); - if (set_owner) { - sdlen += sizeof(struct owner_group_sids); - setup_owner_group_sids(owner_offset + sizeof(struct create_context) + 8 /* name */ - + (char *)buf); - } - - buf->ccontext.DataOffset = cpu_to_le16(offsetof - (struct crt_sd_ctxt, sd)); - buf->ccontext.DataLength = cpu_to_le32(sdlen); + buf->ccontext.DataOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, sd)); buf->ccontext.NameOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, Name)); buf->ccontext.NameLength = cpu_to_le16(4); /* SMB2_CREATE_SD_BUFFER_TOKEN is "SecD" */ @@ -2319,6 +2313,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) buf->Name[2] = 'c'; buf->Name[3] = 'D'; buf->sd.Revision = 1; /* Must be one see MS-DTYP 2.4.6 */ + /* * ACL is "self relative" ie ACL is stored in contiguous block of memory * and "DP" ie the DACL is present @@ -2326,28 +2321,38 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) buf->sd.Control = cpu_to_le16(ACL_CONTROL_SR | ACL_CONTROL_DP); /* offset owner, group and Sbz1 and SACL are all zero */ - buf->sd.OffsetDacl = cpu_to_le32(sizeof(struct smb3_sd)); - buf->acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ + buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); + /* Ship the ACL for now. we will copy it into buf later. */ + aclptr = ptr; + ptr += sizeof(struct cifs_acl); /* create one ACE to hold the mode embedded in reserved special SID */ - pace = (struct cifs_ace *)(sizeof(struct crt_sd_ctxt) + (char *)buf); - acelen = setup_special_mode_ACE(pace, (__u64)mode); + acelen = setup_special_mode_ACE((struct cifs_ace *)ptr, (__u64)mode); + ptr += acelen; + acl_size = acelen + sizeof(struct smb3_acl); + ace_count = 1; if (set_owner) { /* we do not need to reallocate buffer to add the two more ACEs. plenty of space */ - pace = (struct cifs_ace *)(acelen + (sizeof(struct crt_sd_ctxt) + (char *)buf)); - acelen += setup_special_user_owner_ACE(pace); - /* it does not appear necessary to add an ACE for the NFS group SID */ - buf->acl.AceCount = cpu_to_le16(3); - } else - buf->acl.AceCount = cpu_to_le16(2); + acelen = setup_special_user_owner_ACE((struct cifs_ace *)ptr); + ptr += acelen; + acl_size += acelen; + ace_count += 1; + } /* and one more ACE to allow access for authenticated users */ - pace = (struct cifs_ace *)(acelen + (sizeof(struct crt_sd_ctxt) + - (char *)buf)); - acelen += setup_authusers_ACE(pace); - - buf->acl.AclSize = cpu_to_le16(sizeof(struct cifs_acl) + acelen); + acelen = setup_authusers_ACE((struct cifs_ace *)ptr); + ptr += acelen; + acl_size += acelen; + ace_count += 1; + + acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ + acl.AclSize = cpu_to_le16(acl_size); + acl.AceCount = cpu_to_le16(ace_count); + memcpy(aclptr, &acl, sizeof(struct cifs_acl)); + + buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); + *len = ptr - (__u8 *)buf; return buf; } diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index f05f9b12f689..fa57b03ca98c 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -963,8 +963,6 @@ struct crt_sd_ctxt { struct create_context ccontext; __u8 Name[8]; struct smb3_sd sd; - struct smb3_acl acl; - /* Followed by at least 4 ACEs */ } __packed; diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index e27e255d40dd..36b2ece43403 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -339,8 +339,8 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst, return -EAGAIN; if (signal_pending(current)) { - cifs_dbg(FYI, "signal is pending before sending any data\n"); - return -EINTR; + cifs_dbg(FYI, "signal pending before send request\n"); + return -ERESTARTSYS; } /* cork the socket */ diff --git a/fs/coredump.c b/fs/coredump.c index 0cd9056d79cc..c6acfc694f65 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -229,7 +229,8 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm, */ if (ispipe) { if (isspace(*pat_ptr)) { - was_space = true; + if (cn->used != 0) + was_space = true; pat_ptr++; continue; } else if (was_space) { diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index d98a2e5dab9f..35a6fd103761 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1035,6 +1035,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, gl->gl_node.next = NULL; gl->gl_flags = 0; gl->gl_name = name; + lockdep_set_subclass(&gl->gl_lockref.lock, glops->go_subclass); gl->gl_lockref.count = 1; gl->gl_state = LM_ST_UNLOCKED; gl->gl_target = LM_ST_UNLOCKED; diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 67f2921ae8d4..3faa421568b0 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -245,7 +245,7 @@ static void rgrp_go_inval(struct gfs2_glock *gl, int flags) static void gfs2_rgrp_go_dump(struct seq_file *seq, struct gfs2_glock *gl, const char *fs_id_buf) { - struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); + struct gfs2_rgrpd *rgd = gl->gl_object; if (rgd) gfs2_rgrp_dump(seq, rgd, fs_id_buf); @@ -582,7 +582,8 @@ static int freeze_go_sync(struct gfs2_glock *gl) * Once thawed, the work func acquires the freeze glock in * SH and everybody goes back to thawed. */ - if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp)) { + if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp) && + !test_bit(SDF_NORECOVERY, &sdp->sd_flags)) { atomic_set(&sdp->sd_freeze_state, SFS_STARTING_FREEZE); error = freeze_super(sdp->sd_vfs); if (error) { @@ -781,6 +782,7 @@ const struct gfs2_glock_operations gfs2_iopen_glops = { .go_callback = iopen_go_callback, .go_demote_ok = iopen_go_demote_ok, .go_flags = GLOF_LRU | GLOF_NONDISK, + .go_subclass = 1, }; const struct gfs2_glock_operations gfs2_flock_glops = { diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index d7707307f4b1..f8858d995b24 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -247,6 +247,7 @@ struct gfs2_glock_operations { const char *fs_id_buf); void (*go_callback)(struct gfs2_glock *gl, bool remote); void (*go_free)(struct gfs2_glock *gl); + const int go_subclass; const int go_type; const unsigned long go_flags; #define GLOF_ASPACE 1 /* address space attached */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 077ccb1b3ccc..65ae4fc28ede 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -150,6 +150,8 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); if (unlikely(error)) goto fail; + if (blktype != GFS2_BLKST_UNLINKED) + gfs2_cancel_delete_work(io_gl); if (type == DT_UNKNOWN || blktype != GFS2_BLKST_FREE) { /* @@ -180,8 +182,6 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); if (unlikely(error)) goto fail; - if (blktype != GFS2_BLKST_UNLINKED) - gfs2_cancel_delete_work(ip->i_iopen_gh.gh_gl); glock_set_object(ip->i_iopen_gh.gh_gl, ip); gfs2_glock_put(io_gl); io_gl = NULL; @@ -725,13 +725,19 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, flush_delayed_work(&ip->i_gl->gl_work); glock_set_object(ip->i_gl, ip); - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); + error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl); if (error) goto fail_free_inode; + gfs2_cancel_delete_work(io_gl); + glock_set_object(io_gl, ip); + + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); + if (error) + goto fail_gunlock2; error = gfs2_trans_begin(sdp, blocks, 0); if (error) - goto fail_free_inode; + goto fail_gunlock2; if (blocks > 1) { ip->i_eattr = ip->i_no_addr + 1; @@ -740,18 +746,12 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, init_dinode(dip, ip, symname); gfs2_trans_end(sdp); - error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl); - if (error) - goto fail_free_inode; - BUG_ON(test_and_set_bit(GLF_INODE_CREATING, &io_gl->gl_flags)); error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); if (error) goto fail_gunlock2; - gfs2_cancel_delete_work(ip->i_iopen_gh.gh_gl); - glock_set_object(ip->i_iopen_gh.gh_gl, ip); gfs2_set_iop(inode); insert_inode_hash(inode); @@ -803,6 +803,7 @@ fail_gunlock3: gfs2_glock_dq_uninit(&ip->i_iopen_gh); fail_gunlock2: clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags); + glock_clear_object(io_gl, ip); gfs2_glock_put(io_gl); fail_free_inode: if (ip->i_gl) { @@ -2116,6 +2117,25 @@ loff_t gfs2_seek_hole(struct file *file, loff_t offset) return vfs_setpos(file, ret, inode->i_sb->s_maxbytes); } +static int gfs2_update_time(struct inode *inode, struct timespec64 *time, + int flags) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_glock *gl = ip->i_gl; + struct gfs2_holder *gh; + int error; + + gh = gfs2_glock_is_locked_by_me(gl); + if (gh && !gfs2_glock_is_held_excl(gl)) { + gfs2_glock_dq(gh); + gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, gh); + error = gfs2_glock_nq(gh); + if (error) + return error; + } + return generic_update_time(inode, time, flags); +} + const struct inode_operations gfs2_file_iops = { .permission = gfs2_permission, .setattr = gfs2_setattr, @@ -2124,6 +2144,7 @@ const struct inode_operations gfs2_file_iops = { .fiemap = gfs2_fiemap, .get_acl = gfs2_get_acl, .set_acl = gfs2_set_acl, + .update_time = gfs2_update_time, }; const struct inode_operations gfs2_dir_iops = { @@ -2143,6 +2164,7 @@ const struct inode_operations gfs2_dir_iops = { .fiemap = gfs2_fiemap, .get_acl = gfs2_get_acl, .set_acl = gfs2_set_acl, + .update_time = gfs2_update_time, .atomic_open = gfs2_atomic_open, }; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index f7addc6197ed..5e8eef9990e3 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -985,6 +985,10 @@ static int gfs2_ri_update(struct gfs2_inode *ip) if (error < 0) return error; + if (RB_EMPTY_ROOT(&sdp->sd_rindex_tree)) { + fs_err(sdp, "no resource groups found in the file system.\n"); + return -ENOENT; + } set_rgrp_preferences(sdp); sdp->sd_rindex_uptodate = 1; diff --git a/fs/io_uring.c b/fs/io_uring.c index 1023f7b44cea..a2a7c65a77aa 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -4499,7 +4499,8 @@ static int __io_compat_recvmsg_copy_hdr(struct io_kiocb *req, return -EFAULT; if (clen < 0) return -EINVAL; - sr->len = iomsg->iov[0].iov_len; + sr->len = clen; + iomsg->iov[0].iov_len = clen; iomsg->iov = NULL; } else { ret = __import_iovec(READ, (struct iovec __user *)uiov, len, diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 639cae2c158b..033eb5f73b65 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1073,12 +1073,15 @@ static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, * file system requests. */ static inline unsigned int blk_max_size_offset(struct request_queue *q, - sector_t offset) -{ - unsigned int chunk_sectors = q->limits.chunk_sectors; - - if (!chunk_sectors) - return q->limits.max_sectors; + sector_t offset, + unsigned int chunk_sectors) +{ + if (!chunk_sectors) { + if (q->limits.chunk_sectors) + chunk_sectors = q->limits.chunk_sectors; + else + return q->limits.max_sectors; + } if (likely(is_power_of_2(chunk_sectors))) chunk_sectors -= offset & (chunk_sectors - 1); @@ -1101,7 +1104,7 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq, req_op(rq) == REQ_OP_SECURE_ERASE) return blk_queue_get_max_sectors(q, req_op(rq)); - return min(blk_max_size_offset(q, offset), + return min(blk_max_size_offset(q, offset, 0), blk_queue_get_max_sectors(q, req_op(rq))); } diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h index 9903088891fa..2696eb0fc149 100644 --- a/include/linux/bootconfig.h +++ b/include/linux/bootconfig.h @@ -12,6 +12,9 @@ #define BOOTCONFIG_MAGIC "#BOOTCONFIG\n" #define BOOTCONFIG_MAGIC_LEN 12 +#define BOOTCONFIG_ALIGN_SHIFT 2 +#define BOOTCONFIG_ALIGN (1 << BOOTCONFIG_ALIGN_SHIFT) +#define BOOTCONFIG_ALIGN_MASK (BOOTCONFIG_ALIGN - 1) /* XBC tree node */ struct xbc_node { diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 71535e87109f..ea5a337e0f8b 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -384,11 +384,19 @@ extern void irq_domain_associate_many(struct irq_domain *domain, extern void irq_domain_disassociate(struct irq_domain *domain, unsigned int irq); -extern unsigned int irq_create_mapping(struct irq_domain *host, - irq_hw_number_t hwirq); +extern unsigned int irq_create_mapping_affinity(struct irq_domain *host, + irq_hw_number_t hwirq, + const struct irq_affinity_desc *affinity); extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec); extern void irq_dispose_mapping(unsigned int virq); +static inline unsigned int irq_create_mapping(struct irq_domain *host, + irq_hw_number_t hwirq) +{ + return irq_create_mapping_affinity(host, hwirq, NULL); +} + + /** * irq_linear_revmap() - Find a linux irq from a hw irq number. * @domain: domain owning this hardware interrupt diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index a092346c7b2d..233352447b1a 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1223,6 +1223,11 @@ enum mlx5_fc_bulk_alloc_bitmask { #define MLX5_FC_BULK_NUM_FCS(fc_enum) (MLX5_FC_BULK_SIZE_FACTOR * (fc_enum)) +enum { + MLX5_STEERING_FORMAT_CONNECTX_5 = 0, + MLX5_STEERING_FORMAT_CONNECTX_6DX = 1, +}; + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x30]; u8 vhca_id[0x10]; @@ -1521,7 +1526,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 general_obj_types[0x40]; - u8 reserved_at_440[0x20]; + u8 reserved_at_440[0x4]; + u8 steering_format_version[0x4]; + u8 create_qp_start_hint[0x18]; u8 reserved_at_460[0x3]; u8 log_max_uctx[0x5]; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index fa275a054f46..7c3da0e1ea9d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2813,9 +2813,21 @@ u16 dev_pick_tx_zero(struct net_device *dev, struct sk_buff *skb, struct net_device *sb_dev); u16 dev_pick_tx_cpu_id(struct net_device *dev, struct sk_buff *skb, struct net_device *sb_dev); + int dev_queue_xmit(struct sk_buff *skb); int dev_queue_xmit_accel(struct sk_buff *skb, struct net_device *sb_dev); -int dev_direct_xmit(struct sk_buff *skb, u16 queue_id); +int __dev_direct_xmit(struct sk_buff *skb, u16 queue_id); + +static inline int dev_direct_xmit(struct sk_buff *skb, u16 queue_id) +{ + int ret; + + ret = __dev_direct_xmit(skb, queue_id); + if (!dev_xmit_complete(ret)) + kfree_skb(skb); + return ret; +} + int register_netdevice(struct net_device *dev); void unregister_netdevice_queue(struct net_device *dev, struct list_head *head); void unregister_netdevice_many(struct list_head *head); diff --git a/include/linux/tty.h b/include/linux/tty.h index a99e9b8e4e31..eb33d948788c 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -306,6 +306,10 @@ struct tty_struct { struct termiox *termiox; /* May be NULL for unsupported */ char name[64]; struct pid *pgrp; /* Protected by ctrl lock */ + /* + * Writes protected by both ctrl lock and legacy mutex, readers must use + * at least one of them. + */ struct pid *session; unsigned long flags; int count; diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h index 0fdbf653b173..4807ca4d52e0 100644 --- a/include/linux/zsmalloc.h +++ b/include/linux/zsmalloc.h @@ -20,7 +20,6 @@ * zsmalloc mapping modes * * NOTE: These only make a difference when a mapped object spans pages. - * They also have no effect when ZSMALLOC_PGTABLE_MAPPING is selected. */ enum zs_mapmode { ZS_MM_RW, /* normal read-write mapping */ diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h index e1eaf1780288..563457fec557 100644 --- a/include/net/inet_ecn.h +++ b/include/net/inet_ecn.h @@ -107,7 +107,7 @@ static inline int IP_ECN_set_ect1(struct iphdr *iph) if ((iph->tos & INET_ECN_MASK) != INET_ECN_ECT_0) return 0; - check += (__force u16)htons(0x100); + check += (__force u16)htons(0x1); iph->check = (__force __sum16)(check + (check>=0xFFFF)); iph->tos ^= INET_ECN_MASK; diff --git a/include/net/netfilter/nf_tables_offload.h b/include/net/netfilter/nf_tables_offload.h index ea7d1d78b92d..1d34fe154fe0 100644 --- a/include/net/netfilter/nf_tables_offload.h +++ b/include/net/netfilter/nf_tables_offload.h @@ -37,6 +37,7 @@ void nft_offload_update_dependency(struct nft_offload_ctx *ctx, struct nft_flow_key { struct flow_dissector_key_basic basic; + struct flow_dissector_key_control control; union { struct flow_dissector_key_ipv4_addrs ipv4; struct flow_dissector_key_ipv6_addrs ipv6; @@ -62,6 +63,9 @@ struct nft_flow_rule { #define NFT_OFFLOAD_F_ACTION (1 << 0) +void nft_flow_rule_set_addr_type(struct nft_flow_rule *flow, + enum flow_dissector_key_id addr_type); + struct nft_rule; struct nft_flow_rule *nft_flow_rule_create(struct net *net, const struct nft_rule *rule); void nft_flow_rule_destroy(struct nft_flow_rule *flow); @@ -74,6 +78,9 @@ int nft_flow_rule_offload_commit(struct net *net); offsetof(struct nft_flow_key, __base.__field); \ (__reg)->len = __len; \ (__reg)->key = __key; \ + +#define NFT_OFFLOAD_MATCH_EXACT(__key, __base, __field, __len, __reg) \ + NFT_OFFLOAD_MATCH(__key, __base, __field, __len, __reg) \ memset(&(__reg)->mask, 0xff, (__reg)->len); int nft_chain_offload_priority(struct nft_base_chain *basechain); diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index 1a9559c0cbdd..4f4e93bf814c 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -31,6 +31,7 @@ struct xdp_umem { struct page **pgs; int id; struct list_head xsk_dma_list; + struct work_struct work; }; struct xsk_map { diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h index 82cc58fe9368..1500a0f58041 100644 --- a/include/uapi/linux/stat.h +++ b/include/uapi/linux/stat.h @@ -171,9 +171,12 @@ struct statx { * be of use to ordinary userspace programs such as GUIs or ls rather than * specialised tools. * - * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS + * Note that the flags marked [I] correspond to the FS_IOC_SETFLAGS flags * semantically. Where possible, the numerical value is picked to correspond - * also. + * also. Note that the DAX attribute indicates that the file is in the CPU + * direct access state. It does not correspond to the per-inode flag that + * some filesystems support. + * */ #define STATX_ATTR_COMPRESSED 0x00000004 /* [I] File is compressed by the fs */ #define STATX_ATTR_IMMUTABLE 0x00000010 /* [I] File is marked immutable */ @@ -183,7 +186,7 @@ struct statx { #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ #define STATX_ATTR_MOUNT_ROOT 0x00002000 /* Root of a mount */ #define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ -#define STATX_ATTR_DAX 0x00002000 /* [I] File is DAX */ +#define STATX_ATTR_DAX 0x00200000 /* File is currently in DAX state */ #endif /* _UAPI_LINUX_STAT_H */ diff --git a/init/Kconfig b/init/Kconfig index 02d13ae27abb..0872a5a2e759 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -47,6 +47,10 @@ config CLANG_VERSION int default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) +config LLD_VERSION + int + default $(shell,$(srctree)/scripts/lld-version.sh $(LD)) + config CC_CAN_LINK bool default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT @@ -1348,6 +1352,12 @@ config LD_DEAD_CODE_DATA_ELIMINATION present. This option is not well tested yet, so use at your own risk. +config LD_ORPHAN_WARN + def_bool y + depends on ARCH_WANT_LD_ORPHAN_WARN + depends on !LD_IS_LLD || LLD_VERSION >= 110000 + depends on $(ld-option,--orphan-handling=warn) + config SYSCTL bool diff --git a/init/main.c b/init/main.c index 20baced721ad..32b2a8affafd 100644 --- a/init/main.c +++ b/init/main.c @@ -288,8 +288,8 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum) found: hdr = (u32 *)(data - 8); - size = hdr[0]; - csum = hdr[1]; + size = le32_to_cpu(hdr[0]); + csum = le32_to_cpu(hdr[1]); data = ((void *)hdr) - size; if ((unsigned long)data < initrd_start) { diff --git a/kernel/cpu.c b/kernel/cpu.c index 6ff2578ecf17..2b8d7a5db383 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -815,6 +815,10 @@ void __init cpuhp_threads_init(void) } #ifdef CONFIG_HOTPLUG_CPU +#ifndef arch_clear_mm_cpumask_cpu +#define arch_clear_mm_cpumask_cpu(cpu, mm) cpumask_clear_cpu(cpu, mm_cpumask(mm)) +#endif + /** * clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU * @cpu: a CPU id @@ -850,7 +854,7 @@ void clear_tasks_mm_cpumask(int cpu) t = find_lock_task_mm(p); if (!t) continue; - cpumask_clear_cpu(cpu, mm_cpumask(t->mm)); + arch_clear_mm_cpumask_cpu(cpu, t->mm); task_unlock(t); } rcu_read_unlock(); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index cf8b374b892d..e4ca69608f3b 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -624,17 +624,19 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain) EXPORT_SYMBOL_GPL(irq_create_direct_mapping); /** - * irq_create_mapping() - Map a hardware interrupt into linux irq space + * irq_create_mapping_affinity() - Map a hardware interrupt into linux irq space * @domain: domain owning this hardware interrupt or NULL for default domain * @hwirq: hardware irq number in that domain space + * @affinity: irq affinity * * Only one mapping per hardware interrupt is permitted. Returns a linux * irq number. * If the sense/trigger is to be specified, set_irq_type() should be called * on the number returned from that call. */ -unsigned int irq_create_mapping(struct irq_domain *domain, - irq_hw_number_t hwirq) +unsigned int irq_create_mapping_affinity(struct irq_domain *domain, + irq_hw_number_t hwirq, + const struct irq_affinity_desc *affinity) { struct device_node *of_node; int virq; @@ -660,7 +662,8 @@ unsigned int irq_create_mapping(struct irq_domain *domain, } /* Allocate a virtual interrupt number */ - virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node), NULL); + virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node), + affinity); if (virq <= 0) { pr_debug("-> virq allocation failed\n"); return 0; @@ -676,7 +679,7 @@ unsigned int irq_create_mapping(struct irq_domain *domain, return virq; } -EXPORT_SYMBOL_GPL(irq_create_mapping); +EXPORT_SYMBOL_GPL(irq_create_mapping_affinity); /** * irq_create_strict_mappings() - Map a range of hw irqs to fixed linux irqs diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index a4020c0b4508..e1bf5228fb69 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -202,7 +202,7 @@ config DYNAMIC_FTRACE_WITH_REGS config DYNAMIC_FTRACE_WITH_DIRECT_CALLS def_bool y - depends on DYNAMIC_FTRACE + depends on DYNAMIC_FTRACE_WITH_REGS depends on HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS config FUNCTION_PROFILER diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8185f7240095..9c1bba8cc51b 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1629,6 +1629,8 @@ static bool test_rec_ops_needs_regs(struct dyn_ftrace *rec) static struct ftrace_ops * ftrace_find_tramp_ops_any(struct dyn_ftrace *rec); static struct ftrace_ops * +ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude); +static struct ftrace_ops * ftrace_find_tramp_ops_next(struct dyn_ftrace *rec, struct ftrace_ops *ops); static bool __ftrace_hash_rec_update(struct ftrace_ops *ops, @@ -1778,7 +1780,7 @@ static bool __ftrace_hash_rec_update(struct ftrace_ops *ops, * to it. */ if (ftrace_rec_count(rec) == 1 && - ftrace_find_tramp_ops_any(rec)) + ftrace_find_tramp_ops_any_other(rec, ops)) rec->flags |= FTRACE_FL_TRAMP; else rec->flags &= ~FTRACE_FL_TRAMP; @@ -2245,6 +2247,24 @@ ftrace_find_tramp_ops_any(struct dyn_ftrace *rec) } static struct ftrace_ops * +ftrace_find_tramp_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude) +{ + struct ftrace_ops *op; + unsigned long ip = rec->ip; + + do_for_each_ftrace_op(op, ftrace_ops_list) { + + if (op == op_exclude || !op->trampoline) + continue; + + if (hash_contains_ip(ip, op->func_hash)) + return op; + } while_for_each_ftrace_op(op); + + return NULL; +} + +static struct ftrace_ops * ftrace_find_tramp_ops_next(struct dyn_ftrace *rec, struct ftrace_ops *op) { diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index dc83b3fa9fe7..a6268e09160a 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3234,14 +3234,12 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, /* See if we shot pass the end of this buffer page */ if (unlikely(write > BUF_PAGE_SIZE)) { - if (tail != w) { - /* before and after may now different, fix it up*/ - b_ok = rb_time_read(&cpu_buffer->before_stamp, &info->before); - a_ok = rb_time_read(&cpu_buffer->write_stamp, &info->after); - if (a_ok && b_ok && info->before != info->after) - (void)rb_time_cmpxchg(&cpu_buffer->before_stamp, - info->before, info->after); - } + /* before and after may now different, fix it up*/ + b_ok = rb_time_read(&cpu_buffer->before_stamp, &info->before); + a_ok = rb_time_read(&cpu_buffer->write_stamp, &info->after); + if (a_ok && b_ok && info->before != info->after) + (void)rb_time_cmpxchg(&cpu_buffer->before_stamp, + info->before, info->after); return rb_move_tail(cpu_buffer, tail, info); } @@ -3287,11 +3285,11 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, ts = rb_time_stamp(cpu_buffer->buffer); barrier(); /*E*/ if (write == (local_read(&tail_page->write) & RB_WRITE_MASK) && - info->after < ts) { + info->after < ts && + rb_time_cmpxchg(&cpu_buffer->write_stamp, + info->after, ts)) { /* Nothing came after this event between C and E */ info->delta = ts - info->after; - (void)rb_time_cmpxchg(&cpu_buffer->write_stamp, - info->after, info->ts); info->ts = ts; } else { /* diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 410cfeb16db5..7d53c5bdea3e 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3534,7 +3534,7 @@ __find_next_entry(struct trace_iterator *iter, int *ent_cpu, } #define STATIC_TEMP_BUF_SIZE 128 -static char static_temp_buf[STATIC_TEMP_BUF_SIZE]; +static char static_temp_buf[STATIC_TEMP_BUF_SIZE] __aligned(4); /* Find the next real entry, without updating the iterator itself */ struct trace_entry *trace_find_next_entry(struct trace_iterator *iter, diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index c9ad5c6fbaad..d071fc271eef 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -368,7 +368,7 @@ static int start_kthread(struct trace_array *tr) struct task_struct *kthread; int next_cpu; - if (WARN_ON(hwlat_kthread)) + if (hwlat_kthread) return 0; /* Just pick the first CPU on first iteration */ diff --git a/lib/syscall.c b/lib/syscall.c index 8533d2fea2d7..ba13e924c430 100644 --- a/lib/syscall.c +++ b/lib/syscall.c @@ -7,6 +7,7 @@ static int collect_syscall(struct task_struct *target, struct syscall_info *info) { + unsigned long args[6] = { }; struct pt_regs *regs; if (!try_get_task_stack(target)) { @@ -27,8 +28,14 @@ static int collect_syscall(struct task_struct *target, struct syscall_info *info info->data.nr = syscall_get_nr(target, regs); if (info->data.nr != -1L) - syscall_get_arguments(target, regs, - (unsigned long *)&info->data.args[0]); + syscall_get_arguments(target, regs, args); + + info->data.args[0] = args[0]; + info->data.args[1] = args[1]; + info->data.args[2] = args[2]; + info->data.args[3] = args[3]; + info->data.args[4] = args[4]; + info->data.args[5] = args[5]; put_task_stack(target); return 0; diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c index aa9ef23474df..db107016d29b 100644 --- a/lib/zlib_dfltcc/dfltcc_inflate.c +++ b/lib/zlib_dfltcc/dfltcc_inflate.c @@ -4,6 +4,7 @@ #include "dfltcc_util.h" #include "dfltcc.h" #include <asm/setup.h> +#include <linux/export.h> #include <linux/zutil.h> /* @@ -29,6 +30,7 @@ int dfltcc_can_inflate( return is_bit_set(dfltcc_state->af.fns, DFLTCC_XPND) && is_bit_set(dfltcc_state->af.fmts, DFLTCC_FMT0); } +EXPORT_SYMBOL(dfltcc_can_inflate); static int dfltcc_was_inflate_used( z_streamp strm @@ -147,3 +149,4 @@ dfltcc_inflate_action dfltcc_inflate( return (cc == DFLTCC_CC_OP1_TOO_SHORT || cc == DFLTCC_CC_OP2_TOO_SHORT) ? DFLTCC_INFLATE_BREAK : DFLTCC_INFLATE_CONTINUE; } +EXPORT_SYMBOL(dfltcc_inflate); diff --git a/mm/Kconfig b/mm/Kconfig index d42423f884a7..390165ffbb0f 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -707,19 +707,6 @@ config ZSMALLOC returned by an alloc(). This handle must be mapped in order to access the allocated space. -config ZSMALLOC_PGTABLE_MAPPING - bool "Use page table mapping to access object in zsmalloc" - depends on ZSMALLOC=y - help - By default, zsmalloc uses a copy-based object mapping method to - access allocations that span two pages. However, if a particular - architecture (ex, ARM) performs VM mapping faster than copying, - 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: - https://github.com/spartacus06/zsmapbench - config ZSMALLOC_STAT bool "Export zsmalloc statistics" depends on ZSMALLOC diff --git a/mm/filemap.c b/mm/filemap.c index 0b2067b3c328..331f4261d723 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -827,7 +827,7 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask) } EXPORT_SYMBOL_GPL(replace_page_cache_page); -noinline int __add_to_page_cache_locked(struct page *page, +static noinline int __add_to_page_cache_locked(struct page *page, struct address_space *mapping, pgoff_t offset, gfp_t gfp, void **shadowp) diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 1f87aec9ab5c..9182848dda3e 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -82,11 +82,8 @@ static inline bool hugetlb_cgroup_have_usage(struct hugetlb_cgroup *h_cg) for (idx = 0; idx < hugetlb_max_hstate; idx++) { if (page_counter_read( - hugetlb_cgroup_counter_from_cgroup(h_cg, idx)) || - page_counter_read(hugetlb_cgroup_counter_from_cgroup_rsvd( - h_cg, idx))) { + hugetlb_cgroup_counter_from_cgroup(h_cg, idx))) return true; - } } return false; } @@ -202,9 +199,10 @@ static void hugetlb_cgroup_css_offline(struct cgroup_subsys_state *css) struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(css); struct hstate *h; struct page *page; - int idx = 0; + int idx; do { + idx = 0; for_each_hstate(h) { spin_lock(&hugetlb_lock); list_for_each_entry(page, &h->hugepage_activelist, lru) diff --git a/mm/list_lru.c b/mm/list_lru.c index 5aa6e44bc2ae..fe230081690b 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -534,7 +534,6 @@ static void memcg_drain_list_lru_node(struct list_lru *lru, int nid, struct list_lru_node *nlru = &lru->node[nid]; int dst_idx = dst_memcg->kmemcg_id; struct list_lru_one *src, *dst; - bool set; /* * Since list_lru_{add,del} may be called under an IRQ-safe lock, @@ -546,11 +545,12 @@ static void memcg_drain_list_lru_node(struct list_lru *lru, int nid, dst = list_lru_from_memcg_idx(nlru, dst_idx); list_splice_init(&src->list, &dst->list); - set = (!dst->nr_items && src->nr_items); - dst->nr_items += src->nr_items; - if (set) + + if (src->nr_items) { + dst->nr_items += src->nr_items; memcg_set_shrinker_bit(dst_memcg, nid, lru_shrinker_id(lru)); - src->nr_items = 0; + src->nr_items = 0; + } spin_unlock_irq(&nlru->lock); } diff --git a/mm/mmap.c b/mm/mmap.c index d91ecb00d38c..5c8b4485860d 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1808,6 +1808,17 @@ unsigned long mmap_region(struct file *file, unsigned long addr, if (error) goto unmap_and_free_vma; + /* Can addr have changed?? + * + * Answer: Yes, several device drivers can do it in their + * f_op->mmap method. -DaveM + * Bug: If addr is changed, prev, rb_link, rb_parent should + * be updated for vma_link() + */ + WARN_ON_ONCE(addr != vma->vm_start); + + addr = vma->vm_start; + /* If vm_flags changed after call_mmap(), we should try merge vma again * as we may succeed this time. */ @@ -1822,25 +1833,12 @@ unsigned long mmap_region(struct file *file, unsigned long addr, fput(vma->vm_file); vm_area_free(vma); vma = merge; - /* Update vm_flags and possible addr to pick up the change. We don't - * warn here if addr changed as the vma is not linked by vma_link(). - */ - addr = vma->vm_start; + /* Update vm_flags to pick up the change. */ vm_flags = vma->vm_flags; goto unmap_writable; } } - /* Can addr have changed?? - * - * Answer: Yes, several device drivers can do it in their - * f_op->mmap method. -DaveM - * Bug: If addr is changed, prev, rb_link, rb_parent should - * be updated for vma_link() - */ - WARN_ON_ONCE(addr != vma->vm_start); - - addr = vma->vm_start; vm_flags = vma->vm_flags; } else if (vm_flags & VM_SHARED) { error = shmem_zero_setup(vma); diff --git a/mm/slab.h b/mm/slab.h index 6d7c6a5056ba..f9977d6613d6 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -274,22 +274,32 @@ static inline size_t obj_full_size(struct kmem_cache *s) return s->size + sizeof(struct obj_cgroup *); } -static inline struct obj_cgroup *memcg_slab_pre_alloc_hook(struct kmem_cache *s, - size_t objects, - gfp_t flags) +/* + * Returns false if the allocation should fail. + */ +static inline bool memcg_slab_pre_alloc_hook(struct kmem_cache *s, + struct obj_cgroup **objcgp, + size_t objects, gfp_t flags) { struct obj_cgroup *objcg; + if (!memcg_kmem_enabled()) + return true; + + if (!(flags & __GFP_ACCOUNT) && !(s->flags & SLAB_ACCOUNT)) + return true; + objcg = get_obj_cgroup_from_current(); if (!objcg) - return NULL; + return true; if (obj_cgroup_charge(objcg, flags, objects * obj_full_size(s))) { obj_cgroup_put(objcg); - return NULL; + return false; } - return objcg; + *objcgp = objcg; + return true; } static inline void mod_objcg_state(struct obj_cgroup *objcg, @@ -315,7 +325,7 @@ static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s, unsigned long off; size_t i; - if (!objcg) + if (!memcg_kmem_enabled() || !objcg) return; flags &= ~__GFP_ACCOUNT; @@ -400,11 +410,11 @@ static inline void memcg_free_page_obj_cgroups(struct page *page) { } -static inline struct obj_cgroup *memcg_slab_pre_alloc_hook(struct kmem_cache *s, - size_t objects, - gfp_t flags) +static inline bool memcg_slab_pre_alloc_hook(struct kmem_cache *s, + struct obj_cgroup **objcgp, + size_t objects, gfp_t flags) { - return NULL; + return true; } static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s, @@ -508,9 +518,8 @@ static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s, if (should_failslab(s, flags)) return NULL; - if (memcg_kmem_enabled() && - ((flags & __GFP_ACCOUNT) || (s->flags & SLAB_ACCOUNT))) - *objcgp = memcg_slab_pre_alloc_hook(s, size, flags); + if (!memcg_slab_pre_alloc_hook(s, objcgp, size, flags)) + return NULL; return s; } @@ -529,8 +538,7 @@ static inline void slab_post_alloc_hook(struct kmem_cache *s, s->flags, flags); } - if (memcg_kmem_enabled()) - memcg_slab_post_alloc_hook(s, objcg, flags, size, p); + memcg_slab_post_alloc_hook(s, objcg, flags, size, p); } #ifndef CONFIG_SLOB diff --git a/mm/swapfile.c b/mm/swapfile.c index c4a613688a17..d58361109066 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2867,6 +2867,7 @@ late_initcall(max_swapfiles_check); static struct swap_info_struct *alloc_swap_info(void) { struct swap_info_struct *p; + struct swap_info_struct *defer = NULL; unsigned int type; int i; @@ -2895,7 +2896,7 @@ static struct swap_info_struct *alloc_swap_info(void) smp_wmb(); WRITE_ONCE(nr_swapfiles, nr_swapfiles + 1); } else { - kvfree(p); + defer = p; p = swap_info[type]; /* * Do not memset this entry: a racing procfs swap_next() @@ -2908,6 +2909,7 @@ static struct swap_info_struct *alloc_swap_info(void) plist_node_init(&p->avail_lists[i], 0); p->flags = SWP_USED; spin_unlock(&swap_lock); + kvfree(defer); spin_lock_init(&p->lock); spin_lock_init(&p->cont_lock); diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 918c7b019b3d..cdfaaadea8ff 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -293,11 +293,7 @@ struct zspage { }; struct mapping_area { -#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING - struct vm_struct *vm; /* vm area for mapping object that span pages */ -#else char *vm_buf; /* copy buffer for objects that span pages */ -#endif char *vm_addr; /* address of kmap_atomic()'ed pages */ enum zs_mapmode vm_mm; /* mapping mode */ }; @@ -1113,54 +1109,6 @@ static struct zspage *find_get_zspage(struct size_class *class) return zspage; } -#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING -static inline int __zs_cpu_up(struct mapping_area *area) -{ - /* - * Make sure we don't leak memory if a cpu UP notification - * and zs_init() race and both call zs_cpu_up() on the same cpu - */ - if (area->vm) - return 0; - area->vm = get_vm_area(PAGE_SIZE * 2, 0); - if (!area->vm) - return -ENOMEM; - - /* - * Populate ptes in advance to avoid pte allocation with GFP_KERNEL - * in non-preemtible context of zs_map_object. - */ - return apply_to_page_range(&init_mm, (unsigned long)area->vm->addr, - PAGE_SIZE * 2, NULL, NULL); -} - -static inline void __zs_cpu_down(struct mapping_area *area) -{ - if (area->vm) - free_vm_area(area->vm); - area->vm = NULL; -} - -static inline void *__zs_map_object(struct mapping_area *area, - struct page *pages[2], int off, int size) -{ - unsigned long addr = (unsigned long)area->vm->addr; - - BUG_ON(map_kernel_range(addr, PAGE_SIZE * 2, PAGE_KERNEL, pages) < 0); - area->vm_addr = area->vm->addr; - return area->vm_addr + off; -} - -static inline void __zs_unmap_object(struct mapping_area *area, - struct page *pages[2], int off, int size) -{ - unsigned long addr = (unsigned long)area->vm_addr; - - unmap_kernel_range(addr, PAGE_SIZE * 2); -} - -#else /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */ - static inline int __zs_cpu_up(struct mapping_area *area) { /* @@ -1241,8 +1189,6 @@ out: pagefault_enable(); } -#endif /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */ - static int zs_cpu_prepare(unsigned int cpu) { struct mapping_area *area; diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 9a47ef8b95c4..1f1f5b0873b2 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -391,6 +391,7 @@ out: /** * batadv_frag_create() - create a fragment from skb + * @net_dev: outgoing device for fragment * @skb: skb to create fragment from * @frag_head: header to use in new fragment * @fragment_size: size of new fragment @@ -401,22 +402,25 @@ out: * * Return: the new fragment, NULL on error. */ -static struct sk_buff *batadv_frag_create(struct sk_buff *skb, +static struct sk_buff *batadv_frag_create(struct net_device *net_dev, + struct sk_buff *skb, struct batadv_frag_packet *frag_head, unsigned int fragment_size) { + unsigned int ll_reserved = LL_RESERVED_SPACE(net_dev); + unsigned int tailroom = net_dev->needed_tailroom; struct sk_buff *skb_fragment; unsigned int header_size = sizeof(*frag_head); unsigned int mtu = fragment_size + header_size; - skb_fragment = netdev_alloc_skb(NULL, mtu + ETH_HLEN); + skb_fragment = dev_alloc_skb(ll_reserved + mtu + tailroom); if (!skb_fragment) goto err; skb_fragment->priority = skb->priority; /* Eat the last mtu-bytes of the skb */ - skb_reserve(skb_fragment, header_size + ETH_HLEN); + skb_reserve(skb_fragment, ll_reserved + header_size); skb_split(skb, skb_fragment, skb->len - fragment_size); /* Add the header */ @@ -439,11 +443,12 @@ int batadv_frag_send_packet(struct sk_buff *skb, struct batadv_orig_node *orig_node, struct batadv_neigh_node *neigh_node) { + struct net_device *net_dev = neigh_node->if_incoming->net_dev; struct batadv_priv *bat_priv; struct batadv_hard_iface *primary_if = NULL; struct batadv_frag_packet frag_header; struct sk_buff *skb_fragment; - unsigned int mtu = neigh_node->if_incoming->net_dev->mtu; + unsigned int mtu = net_dev->mtu; unsigned int header_size = sizeof(frag_header); unsigned int max_fragment_size, num_fragments; int ret; @@ -503,7 +508,7 @@ int batadv_frag_send_packet(struct sk_buff *skb, goto put_primary_if; } - skb_fragment = batadv_frag_create(skb, &frag_header, + skb_fragment = batadv_frag_create(net_dev, skb, &frag_header, max_fragment_size); if (!skb_fragment) { ret = -ENOMEM; @@ -522,13 +527,14 @@ int batadv_frag_send_packet(struct sk_buff *skb, frag_header.no++; } - /* Make room for the fragment header. */ - if (batadv_skb_head_push(skb, header_size) < 0 || - pskb_expand_head(skb, header_size + ETH_HLEN, 0, GFP_ATOMIC) < 0) { - ret = -ENOMEM; + /* make sure that there is at least enough head for the fragmentation + * and ethernet headers + */ + ret = skb_cow_head(skb, ETH_HLEN + header_size); + if (ret < 0) goto put_primary_if; - } + skb_push(skb, header_size); memcpy(skb->data, &frag_header, header_size); /* Send the last fragment */ diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index dad99641df2a..33904595fc56 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -554,6 +554,9 @@ static void batadv_hardif_recalc_extra_skbroom(struct net_device *soft_iface) needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); needed_headroom += batadv_max_header_len(); + /* fragmentation headers don't strip the unicast/... header */ + needed_headroom += sizeof(struct batadv_frag_packet); + soft_iface->needed_headroom = needed_headroom; soft_iface->needed_tailroom = lower_tailroom; } diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 04c3f9a82650..8edfb98ae1d5 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -735,6 +735,11 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff mtu_reserved = nf_bridge_mtu_reduction(skb); mtu = skb->dev->mtu; + if (nf_bridge->pkt_otherhost) { + skb->pkt_type = PACKET_OTHERHOST; + nf_bridge->pkt_otherhost = false; + } + if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu) mtu = nf_bridge->frag_max_size; @@ -835,8 +840,6 @@ static unsigned int br_nf_post_routing(void *priv, else return NF_ACCEPT; - /* We assume any code from br_dev_queue_push_xmit onwards doesn't care - * about the value of skb->pkt_type. */ if (skb->pkt_type == PACKET_OTHERHOST) { skb->pkt_type = PACKET_HOST; nf_bridge->pkt_otherhost = true; diff --git a/net/core/dev.c b/net/core/dev.c index 82dc6b48e45f..8588ade790cb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4180,7 +4180,7 @@ int dev_queue_xmit_accel(struct sk_buff *skb, struct net_device *sb_dev) } EXPORT_SYMBOL(dev_queue_xmit_accel); -int dev_direct_xmit(struct sk_buff *skb, u16 queue_id) +int __dev_direct_xmit(struct sk_buff *skb, u16 queue_id) { struct net_device *dev = skb->dev; struct sk_buff *orig_skb = skb; @@ -4210,17 +4210,13 @@ int dev_direct_xmit(struct sk_buff *skb, u16 queue_id) dev_xmit_recursion_dec(); local_bh_enable(); - - if (!dev_xmit_complete(ret)) - kfree_skb(skb); - return ret; drop: atomic_long_inc(&dev->tx_dropped); kfree_skb_list(skb); return NET_XMIT_DROP; } -EXPORT_SYMBOL(dev_direct_xmit); +EXPORT_SYMBOL(__dev_direct_xmit); /************************************************************************* * Receiver routines diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 06c526e0d810..e578544b2cc7 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -5786,6 +5786,9 @@ int skb_mpls_dec_ttl(struct sk_buff *skb) if (unlikely(!eth_p_mpls(skb->protocol))) return -EINVAL; + if (!pskb_may_pull(skb, skb_network_offset(skb) + MPLS_HLEN)) + return -ENOMEM; + lse = be32_to_cpu(mpls_hdr(skb)->label_stack_entry); ttl = (lse & MPLS_LS_TTL_MASK) >> MPLS_LS_TTL_SHIFT; if (!--ttl) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index dc2a399cd9f4..9f43abeac3a8 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3222,7 +3222,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, fl4.daddr = dst; fl4.saddr = src; - fl4.flowi4_tos = rtm->rtm_tos; + fl4.flowi4_tos = rtm->rtm_tos & IPTOS_RT_MASK; fl4.flowi4_oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0; fl4.flowi4_mark = mark; fl4.flowi4_uid = uid; @@ -3246,8 +3246,9 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, fl4.flowi4_iif = iif; /* for rt_fill_info */ skb->dev = dev; skb->mark = mark; - err = ip_route_input_rcu(skb, dst, src, rtm->rtm_tos, - dev, &res); + err = ip_route_input_rcu(skb, dst, src, + rtm->rtm_tos & IPTOS_RT_MASK, dev, + &res); rt = skb_rtable(skb); if (err == 0 && rt->dst.error) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 931b186d2e48..cf6e1380b527 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1133,8 +1133,13 @@ static void ip6gre_tnl_link_config_route(struct ip6_tnl *t, int set_mtu, return; if (rt->dst.dev) { - dev->needed_headroom = rt->dst.dev->hard_header_len + - t_hlen; + unsigned short dst_len = rt->dst.dev->hard_header_len + + t_hlen; + + if (t->dev->header_ops) + dev->hard_header_len = dst_len; + else + dev->needed_headroom = dst_len; if (set_mtu) { dev->mtu = rt->dst.dev->mtu - t_hlen; @@ -1159,7 +1164,12 @@ static int ip6gre_calc_hlen(struct ip6_tnl *tunnel) tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen; t_hlen = tunnel->hlen + sizeof(struct ipv6hdr); - tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; + + if (tunnel->dev->header_ops) + tunnel->dev->hard_header_len = LL_MAX_HEADER + t_hlen; + else + tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen; + return t_hlen; } diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 7cff6e5e7445..2b19189a930f 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -271,8 +271,7 @@ flag_nested(const struct nlattr *nla) static const struct nla_policy ipaddr_policy[IPSET_ATTR_IPADDR_MAX + 1] = { [IPSET_ATTR_IPADDR_IPV4] = { .type = NLA_U32 }, - [IPSET_ATTR_IPADDR_IPV6] = { .type = NLA_BINARY, - .len = sizeof(struct in6_addr) }, + [IPSET_ATTR_IPADDR_IPV6] = NLA_POLICY_EXACT_LEN(sizeof(struct in6_addr)), }; int diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index e279ded4e306..d45dbcba8b49 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -4167,12 +4167,18 @@ int __net_init ip_vs_control_net_init(struct netns_ipvs *ipvs) spin_lock_init(&ipvs->tot_stats.lock); - proc_create_net("ip_vs", 0, ipvs->net->proc_net, &ip_vs_info_seq_ops, - sizeof(struct ip_vs_iter)); - proc_create_net_single("ip_vs_stats", 0, ipvs->net->proc_net, - ip_vs_stats_show, NULL); - proc_create_net_single("ip_vs_stats_percpu", 0, ipvs->net->proc_net, - ip_vs_stats_percpu_show, NULL); +#ifdef CONFIG_PROC_FS + if (!proc_create_net("ip_vs", 0, ipvs->net->proc_net, + &ip_vs_info_seq_ops, sizeof(struct ip_vs_iter))) + goto err_vs; + if (!proc_create_net_single("ip_vs_stats", 0, ipvs->net->proc_net, + ip_vs_stats_show, NULL)) + goto err_stats; + if (!proc_create_net_single("ip_vs_stats_percpu", 0, + ipvs->net->proc_net, + ip_vs_stats_percpu_show, NULL)) + goto err_percpu; +#endif if (ip_vs_control_net_init_sysctl(ipvs)) goto err; @@ -4180,6 +4186,17 @@ int __net_init ip_vs_control_net_init(struct netns_ipvs *ipvs) return 0; err: +#ifdef CONFIG_PROC_FS + remove_proc_entry("ip_vs_stats_percpu", ipvs->net->proc_net); + +err_percpu: + remove_proc_entry("ip_vs_stats", ipvs->net->proc_net); + +err_stats: + remove_proc_entry("ip_vs", ipvs->net->proc_net); + +err_vs: +#endif free_percpu(ipvs->tot_stats.cpustats); return -ENOMEM; } @@ -4188,9 +4205,11 @@ void __net_exit ip_vs_control_net_cleanup(struct netns_ipvs *ipvs) { ip_vs_trash_cleanup(ipvs); ip_vs_control_net_cleanup_sysctl(ipvs); +#ifdef CONFIG_PROC_FS remove_proc_entry("ip_vs_stats_percpu", ipvs->net->proc_net); remove_proc_entry("ip_vs_stats", ipvs->net->proc_net); remove_proc_entry("ip_vs", ipvs->net->proc_net); +#endif free_percpu(ipvs->tot_stats.cpustats); } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0f58e98542be..23abf1578594 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -619,7 +619,8 @@ static int nft_request_module(struct net *net, const char *fmt, ...) static void lockdep_nfnl_nft_mutex_not_held(void) { #ifdef CONFIG_PROVE_LOCKING - WARN_ON_ONCE(lockdep_nfnl_is_held(NFNL_SUBSYS_NFTABLES)); + if (debug_locks) + WARN_ON_ONCE(lockdep_nfnl_is_held(NFNL_SUBSYS_NFTABLES)); #endif } diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index 9f625724a20f..9ae14270c543 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -28,6 +28,23 @@ static struct nft_flow_rule *nft_flow_rule_alloc(int num_actions) return flow; } +void nft_flow_rule_set_addr_type(struct nft_flow_rule *flow, + enum flow_dissector_key_id addr_type) +{ + struct nft_flow_match *match = &flow->match; + struct nft_flow_key *mask = &match->mask; + struct nft_flow_key *key = &match->key; + + if (match->dissector.used_keys & BIT(FLOW_DISSECTOR_KEY_CONTROL)) + return; + + key->control.addr_type = addr_type; + mask->control.addr_type = 0xffff; + match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_CONTROL); + match->dissector.offset[FLOW_DISSECTOR_KEY_CONTROL] = + offsetof(struct nft_flow_key, control); +} + struct nft_flow_rule *nft_flow_rule_create(struct net *net, const struct nft_rule *rule) { diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c index bc079d68a536..00e563a72d3d 100644 --- a/net/netfilter/nft_cmp.c +++ b/net/netfilter/nft_cmp.c @@ -123,11 +123,11 @@ static int __nft_cmp_offload(struct nft_offload_ctx *ctx, u8 *mask = (u8 *)&flow->match.mask; u8 *key = (u8 *)&flow->match.key; - if (priv->op != NFT_CMP_EQ || reg->len != priv->len) + if (priv->op != NFT_CMP_EQ || priv->len > reg->len) return -EOPNOTSUPP; - memcpy(key + reg->offset, &priv->data, priv->len); - memcpy(mask + reg->offset, ®->mask, priv->len); + memcpy(key + reg->offset, &priv->data, reg->len); + memcpy(mask + reg->offset, ®->mask, reg->len); flow->match.dissector.used_keys |= BIT(reg->key); flow->match.dissector.offset[reg->key] = reg->base_offset; @@ -137,7 +137,7 @@ static int __nft_cmp_offload(struct nft_offload_ctx *ctx, nft_reg_load16(priv->data.data) != ARPHRD_ETHER) return -EOPNOTSUPP; - nft_offload_update_dependency(ctx, &priv->data, priv->len); + nft_offload_update_dependency(ctx, &priv->data, reg->len); return 0; } diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index b37bd02448d8..bf4b3ad5314c 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -724,22 +724,22 @@ static int nft_meta_get_offload(struct nft_offload_ctx *ctx, switch (priv->key) { case NFT_META_PROTOCOL: - NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_BASIC, basic, n_proto, - sizeof(__u16), reg); + NFT_OFFLOAD_MATCH_EXACT(FLOW_DISSECTOR_KEY_BASIC, basic, n_proto, + sizeof(__u16), reg); nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_NETWORK); break; case NFT_META_L4PROTO: - NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_BASIC, basic, ip_proto, - sizeof(__u8), reg); + NFT_OFFLOAD_MATCH_EXACT(FLOW_DISSECTOR_KEY_BASIC, basic, ip_proto, + sizeof(__u8), reg); nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_TRANSPORT); break; case NFT_META_IIF: - NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_META, meta, - ingress_ifindex, sizeof(__u32), reg); + NFT_OFFLOAD_MATCH_EXACT(FLOW_DISSECTOR_KEY_META, meta, + ingress_ifindex, sizeof(__u32), reg); break; case NFT_META_IIFTYPE: - NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_META, meta, - ingress_iftype, sizeof(__u16), reg); + NFT_OFFLOAD_MATCH_EXACT(FLOW_DISSECTOR_KEY_META, meta, + ingress_iftype, sizeof(__u16), reg); break; default: return -EOPNOTSUPP; diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index dcd3c7b8a367..47d4e0e21651 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -165,6 +165,34 @@ nla_put_failure: return -1; } +static bool nft_payload_offload_mask(struct nft_offload_reg *reg, + u32 priv_len, u32 field_len) +{ + unsigned int remainder, delta, k; + struct nft_data mask = {}; + __be32 remainder_mask; + + if (priv_len == field_len) { + memset(®->mask, 0xff, priv_len); + return true; + } else if (priv_len > field_len) { + return false; + } + + memset(&mask, 0xff, field_len); + remainder = priv_len % sizeof(u32); + if (remainder) { + k = priv_len / sizeof(u32); + delta = field_len - priv_len; + remainder_mask = htonl(~((1 << (delta * BITS_PER_BYTE)) - 1)); + mask.data[k] = (__force u32)remainder_mask; + } + + memcpy(®->mask, &mask, field_len); + + return true; +} + static int nft_payload_offload_ll(struct nft_offload_ctx *ctx, struct nft_flow_rule *flow, const struct nft_payload *priv) @@ -173,21 +201,21 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx, switch (priv->offset) { case offsetof(struct ethhdr, h_source): - if (priv->len != ETH_ALEN) + if (!nft_payload_offload_mask(reg, priv->len, ETH_ALEN)) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_ETH_ADDRS, eth_addrs, src, ETH_ALEN, reg); break; case offsetof(struct ethhdr, h_dest): - if (priv->len != ETH_ALEN) + if (!nft_payload_offload_mask(reg, priv->len, ETH_ALEN)) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_ETH_ADDRS, eth_addrs, dst, ETH_ALEN, reg); break; case offsetof(struct ethhdr, h_proto): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_BASIC, basic, @@ -195,14 +223,14 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx, nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_NETWORK); break; case offsetof(struct vlan_ethhdr, h_vlan_TCI): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_VLAN, vlan, vlan_tci, sizeof(__be16), reg); break; case offsetof(struct vlan_ethhdr, h_vlan_encapsulated_proto): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_VLAN, vlan, @@ -210,7 +238,7 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx, nft_offload_set_dependency(ctx, NFT_OFFLOAD_DEP_NETWORK); break; case offsetof(struct vlan_ethhdr, h_vlan_TCI) + sizeof(struct vlan_hdr): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, vlan, @@ -218,7 +246,7 @@ static int nft_payload_offload_ll(struct nft_offload_ctx *ctx, break; case offsetof(struct vlan_ethhdr, h_vlan_encapsulated_proto) + sizeof(struct vlan_hdr): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_CVLAN, vlan, @@ -239,21 +267,25 @@ static int nft_payload_offload_ip(struct nft_offload_ctx *ctx, switch (priv->offset) { case offsetof(struct iphdr, saddr): - if (priv->len != sizeof(struct in_addr)) + if (!nft_payload_offload_mask(reg, priv->len, + sizeof(struct in_addr))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4, src, sizeof(struct in_addr), reg); + nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV4_ADDRS); break; case offsetof(struct iphdr, daddr): - if (priv->len != sizeof(struct in_addr)) + if (!nft_payload_offload_mask(reg, priv->len, + sizeof(struct in_addr))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4, dst, sizeof(struct in_addr), reg); + nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV4_ADDRS); break; case offsetof(struct iphdr, protocol): - if (priv->len != sizeof(__u8)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__u8))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_BASIC, basic, ip_proto, @@ -275,21 +307,25 @@ static int nft_payload_offload_ip6(struct nft_offload_ctx *ctx, switch (priv->offset) { case offsetof(struct ipv6hdr, saddr): - if (priv->len != sizeof(struct in6_addr)) + if (!nft_payload_offload_mask(reg, priv->len, + sizeof(struct in6_addr))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6, src, sizeof(struct in6_addr), reg); + nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV6_ADDRS); break; case offsetof(struct ipv6hdr, daddr): - if (priv->len != sizeof(struct in6_addr)) + if (!nft_payload_offload_mask(reg, priv->len, + sizeof(struct in6_addr))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6, dst, sizeof(struct in6_addr), reg); + nft_flow_rule_set_addr_type(flow, FLOW_DISSECTOR_KEY_IPV6_ADDRS); break; case offsetof(struct ipv6hdr, nexthdr): - if (priv->len != sizeof(__u8)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__u8))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_BASIC, basic, ip_proto, @@ -331,14 +367,14 @@ static int nft_payload_offload_tcp(struct nft_offload_ctx *ctx, switch (priv->offset) { case offsetof(struct tcphdr, source): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_PORTS, tp, src, sizeof(__be16), reg); break; case offsetof(struct tcphdr, dest): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_PORTS, tp, dst, @@ -359,14 +395,14 @@ static int nft_payload_offload_udp(struct nft_offload_ctx *ctx, switch (priv->offset) { case offsetof(struct udphdr, source): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_PORTS, tp, src, sizeof(__be16), reg); break; case offsetof(struct udphdr, dest): - if (priv->len != sizeof(__be16)) + if (!nft_payload_offload_mask(reg, priv->len, sizeof(__be16))) return -EOPNOTSUPP; NFT_OFFLOAD_MATCH(FLOW_DISSECTOR_KEY_PORTS, tp, dst, diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 5829a020b81c..c3a664871cb5 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -199,6 +199,9 @@ static int set_mpls(struct sk_buff *skb, struct sw_flow_key *flow_key, __be32 lse; int err; + if (!pskb_may_pull(skb, skb_network_offset(skb) + MPLS_HLEN)) + return -ENOMEM; + stack = mpls_hdr(skb); lse = OVS_MASKED(stack->label_stack_entry, *mpls_lse, *mask); err = skb_mpls_update_lse(skb, lse); diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c index 5c7456e5b5cf..d1486ea496a2 100644 --- a/net/sched/act_mpls.c +++ b/net/sched/act_mpls.c @@ -105,6 +105,9 @@ static int tcf_mpls_act(struct sk_buff *skb, const struct tc_action *a, goto drop; break; case TCA_MPLS_ACT_MODIFY: + if (!pskb_may_pull(skb, + skb_network_offset(skb) + MPLS_HLEN)) + goto drop; new_lse = tcf_mpls_get_lse(mpls_hdr(skb), p, false); if (skb_mpls_update_lse(skb, new_lse)) goto drop; diff --git a/net/tipc/node.c b/net/tipc/node.c index d269ebe382e1..c95d037fde51 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2182,6 +2182,8 @@ void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, else if (prop == TIPC_NLA_PROP_MTU) tipc_link_set_mtu(e->link, b->mtu); } + /* Update MTU for node link entry */ + e->mtu = tipc_link_mss(e->link); tipc_node_write_unlock(n); tipc_bearer_xmit(net, bearer_id, &xmitq, &e->maddr, NULL); } diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index a10487e7574c..e65a50192432 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -681,7 +681,8 @@ static int x25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) int len, i, rc = 0; if (addr_len != sizeof(struct sockaddr_x25) || - addr->sx25_family != AF_X25) { + addr->sx25_family != AF_X25 || + strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN) { rc = -EINVAL; goto out; } @@ -775,7 +776,8 @@ static int x25_connect(struct socket *sock, struct sockaddr *uaddr, rc = -EINVAL; if (addr_len != sizeof(struct sockaddr_x25) || - addr->sx25_family != AF_X25) + addr->sx25_family != AF_X25 || + strnlen(addr->sx25_addr.x25_addr, X25_ADDR_LEN) == X25_ADDR_LEN) goto out; rc = -ENETUNREACH; diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 56d052bc65cb..56a28a686988 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -66,18 +66,31 @@ static void xdp_umem_release(struct xdp_umem *umem) kfree(umem); } +static void xdp_umem_release_deferred(struct work_struct *work) +{ + struct xdp_umem *umem = container_of(work, struct xdp_umem, work); + + xdp_umem_release(umem); +} + void xdp_get_umem(struct xdp_umem *umem) { refcount_inc(&umem->users); } -void xdp_put_umem(struct xdp_umem *umem) +void xdp_put_umem(struct xdp_umem *umem, bool defer_cleanup) { if (!umem) return; - if (refcount_dec_and_test(&umem->users)) - xdp_umem_release(umem); + if (refcount_dec_and_test(&umem->users)) { + if (defer_cleanup) { + INIT_WORK(&umem->work, xdp_umem_release_deferred); + schedule_work(&umem->work); + } else { + xdp_umem_release(umem); + } + } } static int xdp_umem_pin_pages(struct xdp_umem *umem, unsigned long address) diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h index 181fdda2f2a8..aa9fe2780410 100644 --- a/net/xdp/xdp_umem.h +++ b/net/xdp/xdp_umem.h @@ -9,7 +9,7 @@ #include <net/xdp_sock_drv.h> void xdp_get_umem(struct xdp_umem *umem); -void xdp_put_umem(struct xdp_umem *umem); +void xdp_put_umem(struct xdp_umem *umem, bool defer_cleanup); struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr); #endif /* XDP_UMEM_H_ */ diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index cfbec3989a76..b7b039bd9d03 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -411,11 +411,7 @@ static int xsk_generic_xmit(struct sock *sk) skb_shinfo(skb)->destructor_arg = (void *)(long)desc.addr; skb->destructor = xsk_destruct_skb; - /* Hinder dev_direct_xmit from freeing the packet and - * therefore completing it in the destructor - */ - refcount_inc(&skb->users); - err = dev_direct_xmit(skb, xs->queue_id); + err = __dev_direct_xmit(skb, xs->queue_id); if (err == NETDEV_TX_BUSY) { /* Tell user-space to retry the send */ skb->destructor = sock_wfree; @@ -429,12 +425,10 @@ static int xsk_generic_xmit(struct sock *sk) /* Ignore NET_XMIT_CN as packet might have been sent */ if (err == NET_XMIT_DROP) { /* SKB completed but not sent */ - kfree_skb(skb); err = -EBUSY; goto out; } - consume_skb(skb); sent_frame = true; } @@ -1147,7 +1141,7 @@ static void xsk_destruct(struct sock *sk) return; if (!xp_put_pool(xs->pool)) - xdp_put_umem(xs->umem); + xdp_put_umem(xs->umem, !xs->pool); sk_refcnt_debug_dec(sk); } diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c index 8a3bf4e1318e..9287eddec52c 100644 --- a/net/xdp/xsk_buff_pool.c +++ b/net/xdp/xsk_buff_pool.c @@ -185,8 +185,10 @@ err_unreg_xsk: err_unreg_pool: if (!force_zc) err = 0; /* fallback to copy mode */ - if (err) + if (err) { xsk_clear_pool_at_qid(netdev, queue_id); + dev_put(netdev); + } return err; } @@ -242,7 +244,7 @@ static void xp_release_deferred(struct work_struct *work) pool->cq = NULL; } - xdp_put_umem(pool->umem); + xdp_put_umem(pool->umem, false); xp_destroy(pool); } diff --git a/samples/ftrace/ftrace-direct-modify.c b/samples/ftrace/ftrace-direct-modify.c index c13a5bc5095b..5b9a09957c6e 100644 --- a/samples/ftrace/ftrace-direct-modify.c +++ b/samples/ftrace/ftrace-direct-modify.c @@ -21,6 +21,7 @@ static unsigned long my_ip = (unsigned long)schedule; asm ( " .pushsection .text, \"ax\", @progbits\n" " .type my_tramp1, @function\n" +" .globl my_tramp1\n" " my_tramp1:" " pushq %rbp\n" " movq %rsp, %rbp\n" @@ -29,6 +30,7 @@ asm ( " .size my_tramp1, .-my_tramp1\n" " ret\n" " .type my_tramp2, @function\n" +" .globl my_tramp2\n" " my_tramp2:" " pushq %rbp\n" " movq %rsp, %rbp\n" diff --git a/samples/ftrace/ftrace-direct-too.c b/samples/ftrace/ftrace-direct-too.c index d5c5022be664..3f0079c9bd6f 100644 --- a/samples/ftrace/ftrace-direct-too.c +++ b/samples/ftrace/ftrace-direct-too.c @@ -16,6 +16,7 @@ extern void my_tramp(void *); asm ( " .pushsection .text, \"ax\", @progbits\n" " .type my_tramp, @function\n" +" .globl my_tramp\n" " my_tramp:" " pushq %rbp\n" " movq %rsp, %rbp\n" diff --git a/samples/ftrace/ftrace-direct.c b/samples/ftrace/ftrace-direct.c index 63ca06d42c80..a2729d1ef17f 100644 --- a/samples/ftrace/ftrace-direct.c +++ b/samples/ftrace/ftrace-direct.c @@ -14,6 +14,7 @@ extern void my_tramp(void *); asm ( " .pushsection .text, \"ax\", @progbits\n" " .type my_tramp, @function\n" +" .globl my_tramp\n" " my_tramp:" " pushq %rbp\n" " movq %rsp, %rbp\n" diff --git a/scripts/Makefile.build b/scripts/Makefile.build index ae647379b579..4c058f12dd73 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -252,6 +252,9 @@ objtool_dep = $(objtool_obj) \ ifdef CONFIG_TRIM_UNUSED_KSYMS cmd_gen_ksymdeps = \ $(CONFIG_SHELL) $(srctree)/scripts/gen_ksymdeps.sh $@ >> $(dot-target).cmd + +# List module undefined symbols +undefined_syms = $(NM) $< | $(AWK) '$$1 == "U" { printf("%s%s", x++ ? " " : "", $$2) }'; endif define rule_cc_o_c @@ -271,13 +274,6 @@ define rule_as_o_S $(call cmd,modversions_S) endef -# List module undefined symbols (or empty line if not enabled) -ifdef CONFIG_TRIM_UNUSED_KSYMS -cmd_undef_syms = $(NM) $< | sed -n 's/^ *U //p' | xargs echo -else -cmd_undef_syms = echo -endif - # Built-in and composite module parts $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE $(call if_changed_rule,cc_o_c) @@ -285,7 +281,7 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE cmd_mod = { \ echo $(if $($*-objs)$($*-y)$($*-m), $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), $(@:.mod=.o)); \ - $(cmd_undef_syms); \ + $(undefined_syms) echo; \ } > $@ $(obj)/%.mod: $(obj)/%.o FORCE diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 95e4cdb94fe9..6baee1200615 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -60,7 +60,6 @@ endif # ifneq ($(findstring 2, $(KBUILD_EXTRA_WARN)),) -KBUILD_CFLAGS += -Wcast-align KBUILD_CFLAGS += -Wdisabled-optimization KBUILD_CFLAGS += -Wnested-externs KBUILD_CFLAGS += -Wshadow @@ -80,6 +79,7 @@ endif ifneq ($(findstring 3, $(KBUILD_EXTRA_WARN)),) KBUILD_CFLAGS += -Wbad-function-cast +KBUILD_CFLAGS += -Wcast-align KBUILD_CFLAGS += -Wcast-qual KBUILD_CFLAGS += -Wconversion KBUILD_CFLAGS += -Wpacked diff --git a/scripts/lld-version.sh b/scripts/lld-version.sh new file mode 100755 index 000000000000..d70edb4d8a4f --- /dev/null +++ b/scripts/lld-version.sh @@ -0,0 +1,20 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Usage: $ ./scripts/lld-version.sh ld.lld +# +# Print the linker version of `ld.lld' in a 5 or 6-digit form +# such as `100001' for ld.lld 10.0.1 etc. + +linker_string="$($* --version)" + +if ! ( echo $linker_string | grep -q LLD ); then + echo 0 + exit 1 +fi + +VERSION=$(echo $linker_string | cut -d ' ' -f 2) +MAJOR=$(echo $VERSION | cut -d . -f 1) +MINOR=$(echo $VERSION | cut -d . -f 2) +PATCHLEVEL=$(echo $VERSION | cut -d . -f 3) +printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index bbb17481159e..8060cc86dfea 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1364,16 +1364,20 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, struct nid_path *path; hda_nid_t pin = pins[i]; - path = snd_hda_get_path_from_idx(codec, path_idx[i]); - if (path) { - badness += assign_out_path_ctls(codec, path); - continue; + if (!spec->obey_preferred_dacs) { + path = snd_hda_get_path_from_idx(codec, path_idx[i]); + if (path) { + badness += assign_out_path_ctls(codec, path); + continue; + } } dacs[i] = get_preferred_dac(codec, pin); if (dacs[i]) { if (is_dac_already_used(codec, dacs[i])) badness += bad->shared_primary; + } else if (spec->obey_preferred_dacs) { + badness += BAD_NO_PRIMARY_DAC; } if (!dacs[i]) diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index a43f0bb77dae..0886bc81f40b 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -237,6 +237,7 @@ struct hda_gen_spec { unsigned int power_down_unused:1; /* power down unused widgets */ unsigned int dac_min_mute:1; /* minimal = mute for DACs */ unsigned int suppress_vmaster:1; /* don't create vmaster kctls */ + unsigned int obey_preferred_dacs:1; /* obey preferred_dacs assignment */ /* other internal flags */ unsigned int no_analog:1; /* digital I/O only */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 739dbaf54517..8616c5624870 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -119,6 +119,7 @@ struct alc_spec { unsigned int no_shutup_pins:1; unsigned int ultra_low_power:1; unsigned int has_hs_key:1; + unsigned int no_internal_mic_pin:1; /* for PLL fix */ hda_nid_t pll_nid; @@ -445,6 +446,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec) alc_update_coef_idx(codec, 0x7, 1<<5, 0); break; case 0x10ec0892: + case 0x10ec0897: alc_update_coef_idx(codec, 0x7, 1<<5, 0); break; case 0x10ec0899: @@ -4523,6 +4525,7 @@ static const struct coef_fw alc225_pre_hsmode[] = { static void alc_headset_mode_unplugged(struct hda_codec *codec) { + struct alc_spec *spec = codec->spec; static const struct coef_fw coef0255[] = { WRITE_COEF(0x1b, 0x0c0b), /* LDO and MISC control */ WRITE_COEF(0x45, 0xd089), /* UAJ function set to menual mode */ @@ -4597,6 +4600,11 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) {} }; + if (spec->no_internal_mic_pin) { + alc_update_coef_idx(codec, 0x45, 0xf<<12 | 1<<10, 5<<12); + return; + } + switch (codec->core.vendor_id) { case 0x10ec0255: alc_process_coef_fw(codec, coef0255); @@ -5163,6 +5171,11 @@ static void alc_determine_headset_type(struct hda_codec *codec) {} }; + if (spec->no_internal_mic_pin) { + alc_update_coef_idx(codec, 0x45, 0xf<<12 | 1<<10, 5<<12); + return; + } + switch (codec->core.vendor_id) { case 0x10ec0255: alc_process_coef_fw(codec, coef0255); @@ -6014,6 +6027,21 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec, codec->power_save_node = 0; } +/* avoid DAC 0x06 for bass speaker 0x17; it has no volume control */ +static void alc289_fixup_asus_ga401(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + static const hda_nid_t preferred_pairs[] = { + 0x14, 0x02, 0x17, 0x02, 0x21, 0x03, 0 + }; + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gen.preferred_dacs = preferred_pairs; + spec->gen.obey_preferred_dacs = 1; + } +} + /* The DAC of NID 0x3 will introduce click/pop noise on headphones, so invalidate it */ static void alc285_fixup_invalidate_dacs(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -6121,6 +6149,23 @@ static void alc274_fixup_hp_headset_mic(struct hda_codec *codec, } } +static void alc_fixup_no_int_mic(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + /* Mic RING SLEEVE swap for combo jack */ + alc_update_coef_idx(codec, 0x45, 0xf<<12 | 1<<10, 5<<12); + spec->no_internal_mic_pin = true; + break; + case HDA_FIXUP_ACT_INIT: + alc_combo_jack_hp_jd_restart(codec); + break; + } +} + /* for hda_fixup_thinkpad_acpi() */ #include "thinkpad_helper.c" @@ -6320,6 +6365,7 @@ enum { ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK, ALC287_FIXUP_HP_GPIO_LED, ALC256_FIXUP_HP_HEADSET_MIC, + ALC236_FIXUP_DELL_AIO_HEADSET_MIC, }; static const struct hda_fixup alc269_fixups[] = { @@ -7569,11 +7615,10 @@ static const struct hda_fixup alc269_fixups[] = { .chain_id = ALC269_FIXUP_HEADSET_MIC }, [ALC289_FIXUP_ASUS_GA401] = { - .type = HDA_FIXUP_PINS, - .v.pins = (const struct hda_pintbl[]) { - { 0x19, 0x03a11020 }, /* headset mic with jack detect */ - { } - }, + .type = HDA_FIXUP_FUNC, + .v.func = alc289_fixup_asus_ga401, + .chained = true, + .chain_id = ALC289_FIXUP_ASUS_GA502, }, [ALC289_FIXUP_ASUS_GA502] = { .type = HDA_FIXUP_PINS, @@ -7697,7 +7742,7 @@ static const struct hda_fixup alc269_fixups[] = { { } }, .chained = true, - .chain_id = ALC289_FIXUP_ASUS_GA401 + .chain_id = ALC289_FIXUP_ASUS_GA502 }, [ALC274_FIXUP_HP_MIC] = { .type = HDA_FIXUP_VERBS, @@ -7738,6 +7783,12 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc274_fixup_hp_headset_mic, }, + [ALC236_FIXUP_DELL_AIO_HEADSET_MIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_no_int_mic, + .chained = true, + .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -7815,6 +7866,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x097d, "Dell Precision", ALC289_FIXUP_DUAL_SPK), SND_PCI_QUIRK(0x1028, 0x098d, "Dell Precision", ALC233_FIXUP_ASUS_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x09bf, "Dell Precision", ALC233_FIXUP_ASUS_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x0a2e, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC), + SND_PCI_QUIRK(0x1028, 0x0a30, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -7881,6 +7934,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x820d, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8256, "HP", ALC221_FIXUP_HP_FRONT_MIC), SND_PCI_QUIRK(0x103c, 0x827e, "HP x360", ALC295_FIXUP_HP_X360), + SND_PCI_QUIRK(0x103c, 0x827f, "HP x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x82bf, "HP G3 mini", ALC221_FIXUP_HP_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x82c0, "HP G3 mini premium", ALC221_FIXUP_HP_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3), @@ -8353,6 +8407,8 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x19, 0x02a11020}, {0x1a, 0x02a11030}, {0x21, 0x0221101f}), + SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC, + {0x21, 0x02211010}), SND_HDA_PIN_QUIRK(0x10ec0236, 0x103c, "HP", ALC256_FIXUP_HP_HEADSET_MIC, {0x14, 0x90170110}, {0x19, 0x02a11020}, @@ -8585,6 +8641,9 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x13, 0x90a60140}), + SND_HDA_PIN_QUIRK(0x10ec0294, 0x1043, "ASUS", ALC294_FIXUP_ASUS_HPE, + {0x17, 0x90170110}, + {0x21, 0x04211020}), SND_HDA_PIN_QUIRK(0x10ec0294, 0x1043, "ASUS", ALC294_FIXUP_ASUS_MIC, {0x14, 0x90170110}, {0x1b, 0x90a70130}, @@ -10171,6 +10230,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = { HDA_CODEC_ENTRY(0x10ec0888, "ALC888", patch_alc882), HDA_CODEC_ENTRY(0x10ec0889, "ALC889", patch_alc882), HDA_CODEC_ENTRY(0x10ec0892, "ALC892", patch_alc662), + HDA_CODEC_ENTRY(0x10ec0897, "ALC897", patch_alc662), HDA_CODEC_ENTRY(0x10ec0899, "ALC898", patch_alc882), HDA_CODEC_ENTRY(0x10ec0900, "ALC1150", patch_alc882), HDA_CODEC_ENTRY(0x10ec0b00, "ALCS1200A", patch_alc882), diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index a9acce7b6cca..d9878173ff89 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -43,6 +43,7 @@ static const struct reg_sequence patch_list[] = { {RT5682_DAC_ADC_DIG_VOL1, 0xa020}, {RT5682_I2C_CTRL, 0x000f}, {RT5682_PLL2_INTERNAL, 0x8266}, + {RT5682_SAR_IL_CMD_3, 0x8365}, }; void rt5682_apply_patch_list(struct rt5682_priv *rt5682, struct device *dev) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index bcf18bf15a02..e61d00486c65 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1937,6 +1937,7 @@ static int wm_adsp_load(struct wm_adsp *dsp) mem = wm_adsp_find_region(dsp, type); if (!mem) { adsp_err(dsp, "No region of type: %x\n", type); + ret = -EINVAL; goto out_fw; } diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 9dadf6561444..f790514a147d 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -520,10 +520,10 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { .driver_data = (void *)(BYT_RT5640_IN1_MAP | BYT_RT5640_MCLK_EN), }, - { /* HP Pavilion x2 10-n000nd */ + { /* HP Pavilion x2 10-k0XX, 10-n0XX */ .matches = { - DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), }, .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | BYT_RT5640_JD_SRC_JD2_IN4N | @@ -532,6 +532,17 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_SSP0_AIF1 | BYT_RT5640_MCLK_EN), }, + { /* HP Pavilion x2 10-p0XX */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"), + }, + .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | + BYT_RT5640_JD_SRC_JD1_IN4P | + BYT_RT5640_OVCD_TH_1500UA | + BYT_RT5640_OVCD_SF_0P75 | + BYT_RT5640_MCLK_EN), + }, { /* HP Stream 7 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 9d17c87445a9..426235a217ec 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -263,28 +263,6 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream, return 0; } -static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); - struct lpaif_i2sctl *i2sctl = drvdata->i2sctl; - unsigned int id = dai->driver->id; - int ret; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - ret = regmap_fields_write(i2sctl->spken, id, - LPAIF_I2SCTL_SPKEN_ENABLE); - } else { - ret = regmap_fields_write(i2sctl->micen, id, - LPAIF_I2SCTL_MICEN_ENABLE); - } - - if (ret) - dev_err(dai->dev, "error writing to i2sctl enable: %d\n", ret); - - return ret; -} - static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { @@ -292,6 +270,18 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, struct lpaif_i2sctl *i2sctl = drvdata->i2sctl; unsigned int id = dai->driver->id; int ret = -EINVAL; + unsigned int val = 0; + + ret = regmap_read(drvdata->lpaif_map, + LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), &val); + if (ret) { + dev_err(dai->dev, "error reading from i2sctl reg: %d\n", ret); + return ret; + } + if (val == LPAIF_I2SCTL_RESET_STATE) { + dev_err(dai->dev, "error in i2sctl register state\n"); + return -ENOTRECOVERABLE; + } switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -308,11 +298,14 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret); - ret = clk_enable(drvdata->mi2s_bit_clk[id]); - if (ret) { - dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret); - clk_disable(drvdata->mi2s_osr_clk[id]); - return ret; + if (drvdata->bit_clk_state[id] == LPAIF_BIT_CLK_DISABLE) { + ret = clk_enable(drvdata->mi2s_bit_clk[id]); + if (ret) { + dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret); + clk_disable(drvdata->mi2s_osr_clk[id]); + return ret; + } + drvdata->bit_clk_state[id] = LPAIF_BIT_CLK_ENABLE; } break; @@ -329,7 +322,10 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, if (ret) dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret); - clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]); + if (drvdata->bit_clk_state[id] == LPAIF_BIT_CLK_ENABLE) { + clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]); + drvdata->bit_clk_state[id] = LPAIF_BIT_CLK_DISABLE; + } break; } @@ -341,7 +337,6 @@ const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = { .startup = lpass_cpu_daiops_startup, .shutdown = lpass_cpu_daiops_shutdown, .hw_params = lpass_cpu_daiops_hw_params, - .prepare = lpass_cpu_daiops_prepare, .trigger = lpass_cpu_daiops_trigger, }; EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops); @@ -459,16 +454,20 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg) struct lpass_variant *v = drvdata->variant; int i; + for (i = 0; i < v->i2s_ports; ++i) + if (reg == LPAIF_I2SCTL_REG(v, i)) + return true; for (i = 0; i < v->irq_ports; ++i) if (reg == LPAIF_IRQSTAT_REG(v, i)) return true; for (i = 0; i < v->rdma_channels; ++i) - if (reg == LPAIF_RDMACURR_REG(v, i)) + if (reg == LPAIF_RDMACURR_REG(v, i) || reg == LPAIF_RDMACTL_REG(v, i)) return true; for (i = 0; i < v->wrdma_channels; ++i) - if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start)) + if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start) || + reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start)) return true; return false; @@ -861,6 +860,7 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) PTR_ERR(drvdata->mi2s_bit_clk[dai_id])); return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]); } + drvdata->bit_clk_state[dai_id] = LPAIF_BIT_CLK_DISABLE; } /* Allocation for i2sctl regmap fields */ diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h index 08f3fe508b85..405542832e99 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -60,6 +60,13 @@ #define LPAIF_I2SCTL_BITWIDTH_24 1 #define LPAIF_I2SCTL_BITWIDTH_32 2 +#define LPAIF_BIT_CLK_DISABLE 0 +#define LPAIF_BIT_CLK_ENABLE 1 + +#define LPAIF_I2SCTL_RESET_STATE 0x003C0004 +#define LPAIF_DMACTL_RESET_STATE 0x00200000 + + /* LPAIF IRQ */ #define LPAIF_IRQ_REG_ADDR(v, addr, port) \ (v->irq_reg_base + (addr) + v->irq_reg_stride * (port)) diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 7a3fdf89968a..80b09dede5f9 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -110,6 +110,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, struct regmap *map; unsigned int dai_id = cpu_dai->driver->id; + component->id = dai_id; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -451,19 +452,34 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, unsigned int reg_irqclr = 0, val_irqclr = 0; unsigned int reg_irqen = 0, val_irqen = 0, val_mask = 0; unsigned int dai_id = cpu_dai->driver->id; + unsigned int dma_ctrl_reg = 0; ch = pcm_data->dma_ch; if (dir == SNDRV_PCM_STREAM_PLAYBACK) { id = pcm_data->dma_ch; - if (dai_id == LPASS_DP_RX) + if (dai_id == LPASS_DP_RX) { dmactl = drvdata->hdmi_rd_dmactl; - else + map = drvdata->hdmiif_map; + } else { dmactl = drvdata->rd_dmactl; + map = drvdata->lpaif_map; + } } else { dmactl = drvdata->wr_dmactl; id = pcm_data->dma_ch - v->wrdma_channel_start; + map = drvdata->lpaif_map; + } + ret = regmap_read(map, LPAIF_DMACTL_REG(v, ch, dir, dai_id), &dma_ctrl_reg); + if (ret) { + dev_err(soc_runtime->dev, "error reading from rdmactl reg: %d\n", ret); + return ret; } + if (dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE || + dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE + 1) { + dev_err(soc_runtime->dev, "error in rdmactl register state\n"); + return -ENOTRECOVERABLE; + } switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index b4830f353796..bccd1a05d771 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -68,6 +68,7 @@ struct lpass_data { unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS]; unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS]; int hdmi_port_enable; + int bit_clk_state[LPASS_MAX_MI2S_PORTS]; /* low-power audio interface (LPAIF) registers */ void __iomem *lpaif; diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c index 92b1a6d9c931..bd63a9ce6a70 100644 --- a/sound/usb/mixer_us16x08.c +++ b/sound/usb/mixer_us16x08.c @@ -607,7 +607,7 @@ static int snd_us16x08_eq_put(struct snd_kcontrol *kcontrol, static int snd_us16x08_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - uinfo->count = 1; + uinfo->count = 34; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->value.integer.max = 0x7FFF; uinfo->value.integer.min = 0; diff --git a/tools/arch/x86/include/asm/insn.h b/tools/arch/x86/include/asm/insn.h index 568854b14d0a..52c6262e6bfd 100644 --- a/tools/arch/x86/include/asm/insn.h +++ b/tools/arch/x86/include/asm/insn.h @@ -201,6 +201,21 @@ static inline int insn_offset_immediate(struct insn *insn) return insn_offset_displacement(insn) + insn->displacement.nbytes; } +/** + * for_each_insn_prefix() -- Iterate prefixes in the instruction + * @insn: Pointer to struct insn. + * @idx: Index storage. + * @prefix: Prefix byte. + * + * Iterate prefix bytes of given @insn. Each prefix byte is stored in @prefix + * and the index is stored in @idx (note that this @idx is just for a cursor, + * do not change it.) + * Since prefixes.nbytes can be bigger than 4 if some prefixes + * are repeated, it cannot be used for looping over the prefixes. + */ +#define for_each_insn_prefix(insn, idx, prefix) \ + for (idx = 0; idx < ARRAY_SIZE(insn->prefixes.bytes) && (prefix = insn->prefixes.bytes[idx]) != 0; idx++) + #define POP_SS_OPCODE 0x1f #define MOV_SREG_OPCODE 0x8e diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c index eb92027817a7..7362bef1a368 100644 --- a/tools/bootconfig/main.c +++ b/tools/bootconfig/main.c @@ -10,6 +10,7 @@ #include <unistd.h> #include <string.h> #include <errno.h> +#include <endian.h> #include <linux/kernel.h> #include <linux/bootconfig.h> @@ -147,6 +148,12 @@ static int load_xbc_file(const char *path, char **buf) return ret; } +static int pr_errno(const char *msg, int err) +{ + pr_err("%s: %d\n", msg, err); + return err; +} + static int load_xbc_from_initrd(int fd, char **buf) { struct stat stat; @@ -162,26 +169,26 @@ static int load_xbc_from_initrd(int fd, char **buf) if (stat.st_size < 8 + BOOTCONFIG_MAGIC_LEN) return 0; - if (lseek(fd, -BOOTCONFIG_MAGIC_LEN, SEEK_END) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + if (lseek(fd, -BOOTCONFIG_MAGIC_LEN, SEEK_END) < 0) + return pr_errno("Failed to lseek for magic", -errno); + if (read(fd, magic, BOOTCONFIG_MAGIC_LEN) < 0) - return -errno; + return pr_errno("Failed to read", -errno); + /* Check the bootconfig magic bytes */ if (memcmp(magic, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN) != 0) return 0; - if (lseek(fd, -(8 + BOOTCONFIG_MAGIC_LEN), SEEK_END) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + if (lseek(fd, -(8 + BOOTCONFIG_MAGIC_LEN), SEEK_END) < 0) + return pr_errno("Failed to lseek for size", -errno); if (read(fd, &size, sizeof(u32)) < 0) - return -errno; + return pr_errno("Failed to read size", -errno); + size = le32toh(size); if (read(fd, &csum, sizeof(u32)) < 0) - return -errno; + return pr_errno("Failed to read checksum", -errno); + csum = le32toh(csum); /* Wrong size error */ if (stat.st_size < size + 8 + BOOTCONFIG_MAGIC_LEN) { @@ -190,10 +197,8 @@ static int load_xbc_from_initrd(int fd, char **buf) } if (lseek(fd, stat.st_size - (size + 8 + BOOTCONFIG_MAGIC_LEN), - SEEK_SET) < 0) { - pr_err("Failed to lseek: %d\n", -errno); - return -errno; - } + SEEK_SET) < 0) + return pr_errno("Failed to lseek", -errno); ret = load_xbc_fd(fd, buf, size); if (ret < 0) @@ -262,14 +267,16 @@ static int show_xbc(const char *path, bool list) ret = stat(path, &st); if (ret < 0) { - pr_err("Failed to stat %s: %d\n", path, -errno); - return -errno; + ret = -errno; + pr_err("Failed to stat %s: %d\n", path, ret); + return ret; } fd = open(path, O_RDONLY); if (fd < 0) { - pr_err("Failed to open initrd %s: %d\n", path, fd); - return -errno; + ret = -errno; + pr_err("Failed to open initrd %s: %d\n", path, ret); + return ret; } ret = load_xbc_from_initrd(fd, &buf); @@ -307,8 +314,9 @@ static int delete_xbc(const char *path) fd = open(path, O_RDWR); if (fd < 0) { - pr_err("Failed to open initrd %s: %d\n", path, fd); - return -errno; + ret = -errno; + pr_err("Failed to open initrd %s: %d\n", path, ret); + return ret; } size = load_xbc_from_initrd(fd, &buf); @@ -332,11 +340,13 @@ static int delete_xbc(const char *path) static int apply_xbc(const char *path, const char *xbc_path) { + char *buf, *data, *p; + size_t total_size; + struct stat stat; + const char *msg; u32 size, csum; - char *buf, *data; + int pos, pad; int ret, fd; - const char *msg; - int pos; ret = load_xbc_file(xbc_path, &buf); if (ret < 0) { @@ -346,13 +356,12 @@ static int apply_xbc(const char *path, const char *xbc_path) size = strlen(buf) + 1; csum = checksum((unsigned char *)buf, size); - /* Prepare xbc_path data */ - data = malloc(size + 8); + /* Backup the bootconfig data */ + data = calloc(size + BOOTCONFIG_ALIGN + + sizeof(u32) + sizeof(u32) + BOOTCONFIG_MAGIC_LEN, 1); if (!data) return -ENOMEM; - strcpy(data, buf); - *(u32 *)(data + size) = size; - *(u32 *)(data + size + 4) = csum; + memcpy(data, buf, size); /* Check the data format */ ret = xbc_init(buf, &msg, &pos); @@ -383,28 +392,61 @@ static int apply_xbc(const char *path, const char *xbc_path) /* Apply new one */ fd = open(path, O_RDWR | O_APPEND); if (fd < 0) { - pr_err("Failed to open %s: %d\n", path, fd); + ret = -errno; + pr_err("Failed to open %s: %d\n", path, ret); free(data); - return fd; + return ret; } /* TODO: Ensure the @path is initramfs/initrd image */ - ret = write(fd, data, size + 8); - if (ret < 0) { - pr_err("Failed to apply a boot config: %d\n", ret); + if (fstat(fd, &stat) < 0) { + pr_err("Failed to get the size of %s\n", path); goto out; } - /* Write a magic word of the bootconfig */ - ret = write(fd, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN); - if (ret < 0) { - pr_err("Failed to apply a boot config magic: %d\n", ret); - goto out; - } - ret = 0; + + /* To align up the total size to BOOTCONFIG_ALIGN, get padding size */ + total_size = stat.st_size + size + sizeof(u32) * 2 + BOOTCONFIG_MAGIC_LEN; + pad = ((total_size + BOOTCONFIG_ALIGN - 1) & (~BOOTCONFIG_ALIGN_MASK)) - total_size; + size += pad; + + /* Add a footer */ + p = data + size; + *(u32 *)p = htole32(size); + p += sizeof(u32); + + *(u32 *)p = htole32(csum); + p += sizeof(u32); + + memcpy(p, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN); + p += BOOTCONFIG_MAGIC_LEN; + + total_size = p - data; + + ret = write(fd, data, total_size); + if (ret < total_size) { + if (ret < 0) + ret = -errno; + pr_err("Failed to apply a boot config: %d\n", ret); + if (ret >= 0) + goto out_rollback; + } else + ret = 0; + out: close(fd); free(data); return ret; + +out_rollback: + /* Map the partial write to -ENOSPC */ + if (ret >= 0) + ret = -ENOSPC; + if (ftruncate(fd, stat.st_size) < 0) { + ret = -errno; + pr_err("Failed to rollback the write error: %d\n", ret); + pr_err("The initrd %s may be corrupted. Recommend to rebuild.\n", path); + } + goto out; } static int usage(void) diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh index d295e406a756..baed891d0ba4 100755 --- a/tools/bootconfig/test-bootconfig.sh +++ b/tools/bootconfig/test-bootconfig.sh @@ -9,6 +9,7 @@ else TESTDIR=. fi BOOTCONF=${TESTDIR}/bootconfig +ALIGN=4 INITRD=`mktemp ${TESTDIR}/initrd-XXXX` TEMPCONF=`mktemp ${TESTDIR}/temp-XXXX.bconf` @@ -59,7 +60,10 @@ echo "Show command test" xpass $BOOTCONF $INITRD echo "File size check" -xpass test $new_size -eq $(expr $bconf_size + $initrd_size + 9 + 12) +total_size=$(expr $bconf_size + $initrd_size + 9 + 12 + $ALIGN - 1 ) +total_size=$(expr $total_size / $ALIGN) +total_size=$(expr $total_size \* $ALIGN) +xpass test $new_size -eq $total_size echo "Apply command repeat test" xpass $BOOTCONF -a $TEMPCONF $INITRD diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index 8ab142ff5eac..2afb7d5b1aca 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -693,6 +693,7 @@ build_btf_type_table(struct btf_attach_table *tab, enum bpf_obj_type type, obj_node = calloc(1, sizeof(*obj_node)); if (!obj_node) { p_err("failed to allocate memory: %s", strerror(errno)); + err = -ENOMEM; goto err_free; } diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config index c33a7aac27ff..b71828df5a6d 100644 --- a/tools/testing/selftests/tc-testing/config +++ b/tools/testing/selftests/tc-testing/config @@ -59,6 +59,7 @@ CONFIG_NET_IFE_SKBPRIO=m CONFIG_NET_IFE_SKBTCINDEX=m CONFIG_NET_SCH_FIFO=y CONFIG_NET_SCH_ETS=m +CONFIG_NET_SCH_RED=m # ## Network testing diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index 30873b19d04b..691893afc15d 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -60,9 +60,13 @@ ifeq ($(CAN_BUILD_X86_64),1) TEST_GEN_FILES += $(BINARIES_64) endif else + +ifneq (,$(findstring $(ARCH),powerpc)) TEST_GEN_FILES += protection_keys endif +endif + ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64)) TEST_GEN_FILES += va_128TBswitch TEST_GEN_FILES += virtual_address_range diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 9b0912a01777..c4425597769a 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -206,19 +206,19 @@ static int hugetlb_release_pages(char *rel_area) return ret; } - static void hugetlb_allocate_area(void **alloc_area) { void *area_alias = NULL; char **alloc_area_alias; + *alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE, (map_shared ? MAP_SHARED : MAP_PRIVATE) | MAP_HUGETLB, huge_fd, *alloc_area == area_src ? 0 : nr_pages * page_size); if (*alloc_area == MAP_FAILED) { - fprintf(stderr, "mmap of hugetlbfs file failed\n"); - *alloc_area = NULL; + perror("mmap of hugetlbfs file failed"); + goto fail; } if (map_shared) { @@ -227,14 +227,11 @@ static void hugetlb_allocate_area(void **alloc_area) huge_fd, *alloc_area == area_src ? 0 : nr_pages * page_size); if (area_alias == MAP_FAILED) { - if (munmap(*alloc_area, nr_pages * page_size) < 0) { - perror("hugetlb munmap"); - exit(1); - } - *alloc_area = NULL; - return; + perror("mmap of hugetlb file alias failed"); + goto fail_munmap; } } + if (*alloc_area == area_src) { huge_fd_off0 = *alloc_area; alloc_area_alias = &area_src_alias; @@ -243,6 +240,16 @@ static void hugetlb_allocate_area(void **alloc_area) } if (area_alias) *alloc_area_alias = area_alias; + + return; + +fail_munmap: + if (munmap(*alloc_area, nr_pages * page_size) < 0) { + perror("hugetlb munmap"); + exit(1); + } +fail: + *alloc_area = NULL; } static void hugetlb_alias_mapping(__u64 *start, size_t len, unsigned long offset) |