diff --git a/Documentation/HOWTO b/Documentation/HOWTO index f7ade3b..59c080f 100644 --- a/Documentation/HOWTO +++ b/Documentation/HOWTO @@ -218,16 +218,16 @@ The development process Linux kernel development process currently consists of a few different main kernel "branches" and lots of different subsystem-specific kernel branches. These different branches are: - - main 2.6.x kernel tree - - 2.6.x.y -stable kernel tree - - 2.6.x -git kernel patches + - main 3.x kernel tree + - 3.x.y -stable kernel tree + - 3.x -git kernel patches - subsystem specific kernel trees and patches - - the 2.6.x -next kernel tree for integration tests + - the 3.x -next kernel tree for integration tests -2.6.x kernel tree +3.x kernel tree ----------------- -2.6.x kernels are maintained by Linus Torvalds, and can be found on -kernel.org in the pub/linux/kernel/v2.6/ directory. Its development +3.x kernels are maintained by Linus Torvalds, and can be found on +kernel.org in the pub/linux/kernel/v3.x/ directory. Its development process is as follows: - As soon as a new kernel is released a two weeks window is open, during this period of time maintainers can submit big diffs to @@ -262,20 +262,20 @@ mailing list about kernel releases: released according to perceived bug status, not according to a preconceived timeline." -2.6.x.y -stable kernel tree +3.x.y -stable kernel tree --------------------------- -Kernels with 4-part versions are -stable kernels. They contain +Kernels with 3-part versions are -stable kernels. They contain relatively small and critical fixes for security problems or significant -regressions discovered in a given 2.6.x kernel. +regressions discovered in a given 3.x kernel. This is the recommended branch for users who want the most recent stable kernel and are not interested in helping test development/experimental versions. -If no 2.6.x.y kernel is available, then the highest numbered 2.6.x +If no 3.x.y kernel is available, then the highest numbered 3.x kernel is the current stable kernel. -2.6.x.y are maintained by the "stable" team , and +3.x.y are maintained by the "stable" team , and are released as needs dictate. The normal release period is approximately two weeks, but it can be longer if there are no pressing problems. A security-related problem, instead, can cause a release to happen almost @@ -285,7 +285,7 @@ The file Documentation/stable_kernel_rules.txt in the kernel tree documents what kinds of changes are acceptable for the -stable tree, and how the release process works. -2.6.x -git patches +3.x -git patches ------------------ These are daily snapshots of Linus' kernel tree which are managed in a git repository (hence the name.) These patches are usually released @@ -317,13 +317,13 @@ revisions to it, and maintainers can mark patches as under review, accepted, or rejected. Most of these patchwork sites are listed at http://patchwork.kernel.org/. -2.6.x -next kernel tree for integration tests +3.x -next kernel tree for integration tests --------------------------------------------- -Before updates from subsystem trees are merged into the mainline 2.6.x +Before updates from subsystem trees are merged into the mainline 3.x tree, they need to be integration-tested. For this purpose, a special testing repository exists into which virtually all subsystem trees are pulled on an almost daily basis: - http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git + http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git http://linux.f-seidel.de/linux-next/pmwiki/ This way, the -next kernel gives a summary outlook onto what will be diff --git a/Makefile b/Makefile index a687963..0bd1554 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 4 -SUBLEVEL = 0 +SUBLEVEL = 1 EXTRAVERSION = NAME = Saber-toothed Squirrel diff --git a/arch/arm/boot/dts/tegra-cardhu.dts b/arch/arm/boot/dts/tegra-cardhu.dts index ac3fb75..631a86c 100644 --- a/arch/arm/boot/dts/tegra-cardhu.dts +++ b/arch/arm/boot/dts/tegra-cardhu.dts @@ -64,7 +64,7 @@ status = "disable"; }; - sdhci@78000400 { + sdhci@78000600 { support-8bit; }; }; diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index d5d8d5c..1252a26 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -249,7 +249,7 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr * Harvard caches are synchronised for the user space address range. * This is used for the ARM private sys_cacheflush system call. */ -#define flush_cache_user_range(vma,start,end) \ +#define flush_cache_user_range(start,end) \ __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end)) /* diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 7784547..63d402f 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -496,7 +496,9 @@ do_cache_op(unsigned long start, unsigned long end, int flags) if (end > vma->vm_end) end = vma->vm_end; - flush_cache_user_range(vma, start, end); + up_read(&mm->mmap_sem); + flush_cache_user_range(start, end); + return; } up_read(&mm->mmap_sem); } diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 6d2209a..04d7909 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -113,6 +113,9 @@ void cpu_idle(void) } } +static void do_nothing(void *unused) +{ +} /* * cpu_idle_wait - Used to ensure that all the CPUs come out of the old @@ -123,16 +126,9 @@ void cpu_idle(void) */ void cpu_idle_wait(void) { - int cpu; smp_mb(); - - /* kick all the CPUs so that they exit out of old idle routine */ - get_online_cpus(); - for_each_online_cpu(cpu) { - if (cpu != smp_processor_id()) - smp_send_reschedule(cpu); - } - put_online_cpus(); + /* kick all the CPUs so that they exit out of pm_idle */ + smp_call_function(do_nothing, NULL, 1); } EXPORT_SYMBOL_GPL(cpu_idle_wait); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 46ef3fd..4e66860 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -574,6 +574,7 @@ static void pfault_interrupt(struct ext_code ext_code, tsk->thread.pfault_wait = 0; list_del(&tsk->thread.list); wake_up_process(tsk); + put_task_struct(tsk); } else { /* Completion interrupt was faster than initial * interrupt. Set pfault_wait to -1 so the initial @@ -588,14 +589,22 @@ static void pfault_interrupt(struct ext_code ext_code, put_task_struct(tsk); } else { /* signal bit not set -> a real page is missing. */ - if (tsk->thread.pfault_wait == -1) { + if (tsk->thread.pfault_wait == 1) { + /* Already on the list with a reference: put to sleep */ + set_task_state(tsk, TASK_UNINTERRUPTIBLE); + set_tsk_need_resched(tsk); + } else if (tsk->thread.pfault_wait == -1) { /* Completion interrupt was faster than the initial * interrupt (pfault_wait == -1). Set pfault_wait * back to zero and exit. */ tsk->thread.pfault_wait = 0; } else { /* Initial interrupt arrived before completion - * interrupt. Let the task sleep. */ + * interrupt. Let the task sleep. + * An extra task reference is needed since a different + * cpu may set the task state to TASK_RUNNING again + * before the scheduler is reached. */ + get_task_struct(tsk); tsk->thread.pfault_wait = 1; list_add(&tsk->thread.list, &pfault_list); set_task_state(tsk, TASK_UNINTERRUPTIBLE); @@ -620,6 +629,7 @@ static int __cpuinit pfault_cpu_notify(struct notifier_block *self, list_del(&thread->list); tsk = container_of(thread, struct task_struct, thread); wake_up_process(tsk); + put_task_struct(tsk); } spin_unlock_irq(&pfault_lock); break; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 6c0683d..76c7ccf 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -584,6 +584,9 @@ config SYSVIPC_COMPAT depends on COMPAT && SYSVIPC default y +config KEYS_COMPAT + def_bool y if COMPAT && KEYS + endmenu source "net/Kconfig" diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index db86b1a..3a58e0d 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -74,7 +74,7 @@ sys_call_table32: .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid -/*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat +/*280*/ .word sys32_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64 /*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h index 16f1fa5..bd186c4 100644 --- a/arch/tile/include/asm/bitops.h +++ b/arch/tile/include/asm/bitops.h @@ -77,6 +77,11 @@ static inline int ffs(int x) return __builtin_ffs(x); } +static inline int fls64(__u64 w) +{ + return (sizeof(__u64) * 8) - __builtin_clzll(w); +} + /** * fls - find last set bit in word * @x: the word to search @@ -90,12 +95,7 @@ static inline int ffs(int x) */ static inline int fls(int x) { - return (sizeof(int) * 8) - __builtin_clz(x); -} - -static inline int fls64(__u64 w) -{ - return (sizeof(__u64) * 8) - __builtin_clzll(w); + return fls64((unsigned int) x); } static inline unsigned int __arch_hweight32(unsigned int w) diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 6a3f984..5888f1b 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -273,6 +273,12 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) } #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) +#define __HAVE_ARCH_PTE_SAME +static inline int pte_same(pte_t pte_a, pte_t pte_b) +{ + return !((pte_val(pte_a) ^ pte_val(pte_b)) & ~_PAGE_NEWPAGE); +} + /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. @@ -348,11 +354,11 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); #define update_mmu_cache(vma,address,ptep) do ; while (0) /* Encode and de-code a swap entry */ -#define __swp_type(x) (((x).val >> 4) & 0x3f) +#define __swp_type(x) (((x).val >> 5) & 0x1f) #define __swp_offset(x) ((x).val >> 11) #define __swp_entry(type, offset) \ - ((swp_entry_t) { ((type) << 4) | ((offset) << 11) }) + ((swp_entry_t) { ((type) << 5) | ((offset) << 11) }) #define __pte_to_swp_entry(pte) \ ((swp_entry_t) { pte_val(pte_mkuptodate(pte)) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 94e91e4..b1c611e 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -206,6 +206,7 @@ archclean: $(Q)rm -rf $(objtree)/arch/i386 $(Q)rm -rf $(objtree)/arch/x86_64 $(Q)$(MAKE) $(clean)=$(boot) + $(Q)$(MAKE) $(clean)=arch/x86/tools define archhelp echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)' diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c index 0c82091..1ccd453 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-severity.c +++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c @@ -165,15 +165,19 @@ static struct severity { }; /* - * If the EIPV bit is set, it means the saved IP is the - * instruction which caused the MCE. + * If mcgstatus indicated that ip/cs on the stack were + * no good, then "m->cs" will be zero and we will have + * to assume the worst case (IN_KERNEL) as we actually + * have no idea what we were executing when the machine + * check hit. + * If we do have a good "m->cs" (or a faked one in the + * case we were executing in VM86 mode) we can use it to + * distinguish an exception taken in user from from one + * taken in the kernel. */ static int error_context(struct mce *m) { - if (m->mcgstatus & MCG_STATUS_EIPV) - return (m->ip && (m->cs & 3) == 3) ? IN_USER : IN_KERNEL; - /* Unknown, assume kernel */ - return IN_KERNEL; + return ((m->cs & 3) == 3) ? IN_USER : IN_KERNEL; } int mce_severity(struct mce *m, int tolerant, char **msg) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 11c9166..61604ae 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -437,6 +437,14 @@ static inline void mce_gather_info(struct mce *m, struct pt_regs *regs) if (m->mcgstatus & (MCG_STATUS_RIPV|MCG_STATUS_EIPV)) { m->ip = regs->ip; m->cs = regs->cs; + + /* + * When in VM86 mode make the cs look like ring 3 + * always. This is a lie, but it's better than passing + * the additional vm86 bit around everywhere. + */ + if (v8086_mode(regs)) + m->cs |= 3; } /* Use accurate RIP reporting if available. */ if (rip_msr) diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 95e7fe1..9edc786 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -493,6 +493,7 @@ static __initconst const struct x86_pmu amd_pmu = { * 0x023 DE PERF_CTL[2:0] * 0x02D LS PERF_CTL[3] * 0x02E LS PERF_CTL[3,0] + * 0x031 LS PERF_CTL[2:0] (**) * 0x043 CU PERF_CTL[2:0] * 0x045 CU PERF_CTL[2:0] * 0x046 CU PERF_CTL[2:0] @@ -506,10 +507,12 @@ static __initconst const struct x86_pmu amd_pmu = { * 0x0DD LS PERF_CTL[5:0] * 0x0DE LS PERF_CTL[5:0] * 0x0DF LS PERF_CTL[5:0] + * 0x1C0 EX PERF_CTL[5:3] * 0x1D6 EX PERF_CTL[5:0] * 0x1D8 EX PERF_CTL[5:0] * - * (*) depending on the umask all FPU counters may be used + * (*) depending on the umask all FPU counters may be used + * (**) only one unitmask enabled at a time */ static struct event_constraint amd_f15_PMC0 = EVENT_CONSTRAINT(0, 0x01, 0); @@ -559,6 +562,12 @@ amd_get_event_constraints_f15h(struct cpu_hw_events *cpuc, struct perf_event *ev return &amd_f15_PMC3; case 0x02E: return &amd_f15_PMC30; + case 0x031: + if (hweight_long(hwc->config & ARCH_PERFMON_EVENTSEL_UMASK) <= 1) + return &amd_f15_PMC20; + return &emptyconstraint; + case 0x1C0: + return &amd_f15_PMC53; default: return &amd_f15_PMC50; } diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 7415aa9..56ab749 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -64,6 +64,10 @@ static int xen_register_pirq(u32 gsi, int gsi_override, int triggering, int shareable = 0; char *name; + irq = xen_irq_from_gsi(gsi); + if (irq > 0) + return irq; + if (set_pirq) pirq = gsi; diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index b43cfcd..b685296 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -60,6 +60,18 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = { "__x86_cpu_dev_(start|end)|" "(__parainstructions|__alt_instructions)(|_end)|" "(__iommu_table|__apicdrivers|__smp_locks)(|_end)|" + "__(start|end)_pci_.*|" + "__(start|end)_builtin_fw|" + "__(start|stop)___ksymtab(|_gpl|_unused|_unused_gpl|_gpl_future)|" + "__(start|stop)___kcrctab(|_gpl|_unused|_unused_gpl|_gpl_future)|" + "__(start|stop)___param|" + "__(start|stop)___modver|" + "__(start|stop)___bug_table|" + "__tracedata_(start|end)|" + "__(start|stop)_notes|" + "__end_rodata|" + "__initramfs_start|" + "(jiffies|jiffies_64)|" "_end)$" }; diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index e6568c1..5a1817e 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -163,7 +163,8 @@ static void mpc8xxx_gpio_irq_cascade(unsigned int irq, struct irq_desc *desc) if (mask) generic_handle_irq(irq_linear_revmap(mpc8xxx_gc->irq, 32 - ffs(mask))); - chip->irq_eoi(&desc->irq_data); + if (chip->irq_eoi) + chip->irq_eoi(&desc->irq_data); } static void mpc8xxx_irq_unmask(struct irq_data *d) diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index 95d163e..328a193 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -197,7 +197,8 @@ static int psb_save_display_registers(struct drm_device *dev) } list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->save(connector); + if (connector->funcs->save) + connector->funcs->save(connector); mutex_unlock(&dev->mode_config.mutex); return 0; @@ -235,7 +236,8 @@ static int psb_restore_display_registers(struct drm_device *dev) crtc->funcs->restore(crtc); list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->restore(connector); + if (connector->funcs->restore) + connector->funcs->restore(connector); mutex_unlock(&dev->mode_config.mutex); return 0; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index afd4e03..f57e5cf 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -424,14 +424,11 @@ static void gen6_pm_rps_work(struct work_struct *work) mutex_unlock(&dev_priv->dev->struct_mutex); } -static void pch_irq_handler(struct drm_device *dev) +static void pch_irq_handler(struct drm_device *dev, u32 pch_iir) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 pch_iir; int pipe; - pch_iir = I915_READ(SDEIIR); - if (pch_iir & SDE_AUDIO_POWER_MASK) DRM_DEBUG_DRIVER("PCH audio power change on port %d\n", (pch_iir & SDE_AUDIO_POWER_MASK) >> @@ -529,7 +526,7 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) if (de_iir & DE_PCH_EVENT_IVB) { if (pch_iir & SDE_HOTPLUG_MASK_CPT) queue_work(dev_priv->wq, &dev_priv->hotplug_work); - pch_irq_handler(dev); + pch_irq_handler(dev, pch_iir); } if (pm_iir & GEN6_PM_DEFERRED_EVENTS) { @@ -629,7 +626,7 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) if (de_iir & DE_PCH_EVENT) { if (pch_iir & hotplug_mask) queue_work(dev_priv->wq, &dev_priv->hotplug_work); - pch_irq_handler(dev); + pch_irq_handler(dev, pch_iir); } if (de_iir & DE_PCU_EVENT) { diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9d24d65..29bfd89 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -615,6 +615,21 @@ #define GEN6_BSD_RNCID 0x12198 +#define GEN7_FF_THREAD_MODE 0x20a0 +#define GEN7_FF_SCHED_MASK 0x0077070 +#define GEN7_FF_TS_SCHED_HS1 (0x5<<16) +#define GEN7_FF_TS_SCHED_HS0 (0x3<<16) +#define GEN7_FF_TS_SCHED_LOAD_BALANCE (0x1<<16) +#define GEN7_FF_TS_SCHED_HW (0x0<<16) /* Default */ +#define GEN7_FF_VS_SCHED_HS1 (0x5<<12) +#define GEN7_FF_VS_SCHED_HS0 (0x3<<12) +#define GEN7_FF_VS_SCHED_LOAD_BALANCE (0x1<<12) /* Default */ +#define GEN7_FF_VS_SCHED_HW (0x0<<12) +#define GEN7_FF_DS_SCHED_HS1 (0x5<<4) +#define GEN7_FF_DS_SCHED_HS0 (0x3<<4) +#define GEN7_FF_DS_SCHED_LOAD_BALANCE (0x1<<4) /* Default */ +#define GEN7_FF_DS_SCHED_HW (0x0<<4) + /* * Framebuffer compression (915+ only) */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1b1cf3b..79a7de1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7617,10 +7617,11 @@ static void intel_sanitize_modesetting(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; u32 reg, val; + int i; /* Clear any frame start delays used for debugging left by the BIOS */ - for_each_pipe(pipe) { - reg = PIPECONF(pipe); + for_each_pipe(i) { + reg = PIPECONF(i); I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); } @@ -8612,6 +8613,18 @@ static void gen6_init_clock_gating(struct drm_device *dev) } } +static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv) +{ + uint32_t reg = I915_READ(GEN7_FF_THREAD_MODE); + + reg &= ~GEN7_FF_SCHED_MASK; + reg |= GEN7_FF_TS_SCHED_HW; + reg |= GEN7_FF_VS_SCHED_HW; + reg |= GEN7_FF_DS_SCHED_HW; + + I915_WRITE(GEN7_FF_THREAD_MODE, reg); +} + static void ivybridge_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -8656,6 +8669,8 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) DISPPLANE_TRICKLE_FEED_DISABLE); intel_flush_display_plane(dev_priv, pipe); } + + gen7_setup_fixed_func_scheduler(dev_priv); } static void g4x_init_clock_gating(struct drm_device *dev) diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 7d15a77..12ce044 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1030,7 +1030,7 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) nvbo->placement.fpfn = 0; nvbo->placement.lpfn = dev_priv->fb_mappable_pages; - nouveau_bo_placement_set(nvbo, TTM_PL_VRAM, 0); + nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_VRAM, 0); return nouveau_bo_validate(nvbo, false, true, false); } diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 2b56efc..d44ea58 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "usbhid/usbhid.h" #include "hid-ids.h" #include "hid-logitech-dj.h" @@ -265,8 +266,8 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, goto dj_device_allocate_fail; } - dj_dev->reports_supported = le32_to_cpu( - dj_report->report_params[DEVICE_PAIRED_RF_REPORT_TYPE]); + dj_dev->reports_supported = get_unaligned_le32( + dj_report->report_params + DEVICE_PAIRED_RF_REPORT_TYPE); dj_dev->hdev = dj_hiddev; dj_dev->dj_receiver_dev = djrcv_dev; dj_dev->device_index = dj_report->device_index; diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c index cac3589..84e2fbe 100644 --- a/drivers/hid/hid-wiimote-core.c +++ b/drivers/hid/hid-wiimote-core.c @@ -769,7 +769,7 @@ static void __ir_to_input(struct wiimote_data *wdata, const __u8 *ir, /* * Basic IR data is encoded into 3 bytes. The first two bytes are the - * upper 8 bit of the X/Y data, the 3rd byte contains the lower 2 bits + * lower 8 bit of the X/Y data, the 3rd byte contains the upper 2 bits * of both. * If data is packed, then the 3rd byte is put first and slightly * reordered. This allows to interleave packed and non-packed data to @@ -778,17 +778,11 @@ static void __ir_to_input(struct wiimote_data *wdata, const __u8 *ir, */ if (packed) { - x = ir[1] << 2; - y = ir[2] << 2; - - x |= ir[0] & 0x3; - y |= (ir[0] >> 2) & 0x3; + x = ir[1] | ((ir[0] & 0x03) << 8); + y = ir[2] | ((ir[0] & 0x0c) << 6); } else { - x = ir[0] << 2; - y = ir[1] << 2; - - x |= (ir[2] >> 4) & 0x3; - y |= (ir[2] >> 6) & 0x3; + x = ir[0] | ((ir[2] & 0x30) << 4); + y = ir[1] | ((ir[2] & 0xc0) << 2); } input_report_abs(wdata->ir, xid, x); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 5bf91db..4bbb883 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -399,6 +399,16 @@ static int hid_submit_ctrl(struct hid_device *hid) * Output interrupt completion handler. */ +static int irq_out_pump_restart(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (usbhid->outhead != usbhid->outtail) + return hid_submit_out(hid); + else + return -1; +} + static void hid_irq_out(struct urb *urb) { struct hid_device *hid = urb->context; @@ -428,7 +438,7 @@ static void hid_irq_out(struct urb *urb) else usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1); - if (usbhid->outhead != usbhid->outtail && !hid_submit_out(hid)) { + if (!irq_out_pump_restart(hid)) { /* Successfully submitted next urb in queue */ spin_unlock_irqrestore(&usbhid->lock, flags); return; @@ -443,6 +453,15 @@ static void hid_irq_out(struct urb *urb) /* * Control pipe completion handler. */ +static int ctrl_pump_restart(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (usbhid->ctrlhead != usbhid->ctrltail) + return hid_submit_ctrl(hid); + else + return -1; +} static void hid_ctrl(struct urb *urb) { @@ -476,7 +495,7 @@ static void hid_ctrl(struct urb *urb) else usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1); - if (usbhid->ctrlhead != usbhid->ctrltail && !hid_submit_ctrl(hid)) { + if (!ctrl_pump_restart(hid)) { /* Successfully submitted next urb in queue */ spin_unlock(&usbhid->lock); return; @@ -535,11 +554,27 @@ static void __usbhid_submit_report(struct hid_device *hid, struct hid_report *re * the queue is known to run * but an earlier request may be stuck * we may need to time out - * no race because this is called under + * no race because the URB is blocked under * spinlock */ - if (time_after(jiffies, usbhid->last_out + HZ * 5)) + if (time_after(jiffies, usbhid->last_out + HZ * 5)) { + usb_block_urb(usbhid->urbout); + /* drop lock to not deadlock if the callback is called */ + spin_unlock(&usbhid->lock); usb_unlink_urb(usbhid->urbout); + spin_lock(&usbhid->lock); + usb_unblock_urb(usbhid->urbout); + /* + * if the unlinking has already completed + * the pump will have been stopped + * it must be restarted now + */ + if (!test_bit(HID_OUT_RUNNING, &usbhid->iofl)) + if (!irq_out_pump_restart(hid)) + set_bit(HID_OUT_RUNNING, &usbhid->iofl); + + + } } return; } @@ -583,11 +618,25 @@ static void __usbhid_submit_report(struct hid_device *hid, struct hid_report *re * the queue is known to run * but an earlier request may be stuck * we may need to time out - * no race because this is called under + * no race because the URB is blocked under * spinlock */ - if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) + if (time_after(jiffies, usbhid->last_ctrl + HZ * 5)) { + usb_block_urb(usbhid->urbctrl); + /* drop lock to not deadlock if the callback is called */ + spin_unlock(&usbhid->lock); usb_unlink_urb(usbhid->urbctrl); + spin_lock(&usbhid->lock); + usb_unblock_urb(usbhid->urbctrl); + /* + * if the unlinking has already completed + * the pump will have been stopped + * it must be restarted now + */ + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + if (!ctrl_pump_restart(hid)) + set_bit(HID_CTRL_RUNNING, &usbhid->iofl); + } } } diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index a76d85f..79b4bcb 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -755,7 +755,7 @@ static int davinci_i2c_remove(struct platform_device *pdev) dev->clk = NULL; davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, 0); - free_irq(IRQ_I2C, dev); + free_irq(dev->irq, dev); iounmap(dev->base); kfree(dev); diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 55e5ea6..df19f3d 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -401,8 +401,6 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) disable_irq_nosync(i2c_dev->irq); i2c_dev->irq_disabled = 1; } - - complete(&i2c_dev->msg_complete); goto err; } @@ -411,7 +409,6 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) i2c_dev->msg_err |= I2C_ERR_NO_ACK; if (status & I2C_INT_ARBITRATION_LOST) i2c_dev->msg_err |= I2C_ERR_ARBITRATION_LOST; - complete(&i2c_dev->msg_complete); goto err; } @@ -429,14 +426,14 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) tegra_i2c_mask_irq(i2c_dev, I2C_INT_TX_FIFO_DATA_REQ); } + i2c_writel(i2c_dev, status, I2C_INT_STATUS); + if (i2c_dev->is_dvc) + dvc_writel(i2c_dev, DVC_STATUS_I2C_DONE_INTR, DVC_STATUS); + if (status & I2C_INT_PACKET_XFER_COMPLETE) { BUG_ON(i2c_dev->msg_buf_remaining); complete(&i2c_dev->msg_complete); } - - i2c_writel(i2c_dev, status, I2C_INT_STATUS); - if (i2c_dev->is_dvc) - dvc_writel(i2c_dev, DVC_STATUS_I2C_DONE_INTR, DVC_STATUS); return IRQ_HANDLED; err: /* An error occurred, mask all interrupts */ @@ -446,6 +443,8 @@ err: i2c_writel(i2c_dev, status, I2C_INT_STATUS); if (i2c_dev->is_dvc) dvc_writel(i2c_dev, DVC_STATUS_I2C_DONE_INTR, DVC_STATUS); + + complete(&i2c_dev->msg_complete); return IRQ_HANDLED; } diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 71f0c0f..a841123 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -269,7 +269,7 @@ void ib_umem_release(struct ib_umem *umem) } else down_write(&mm->mmap_sem); - current->mm->locked_vm -= diff; + current->mm->pinned_vm -= diff; up_write(&mm->mmap_sem); mmput(mm); kfree(umem); diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 92b4c2b..4c7c62f 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1593,7 +1593,7 @@ static int import_ep(struct c4iw_ep *ep, __be32 peer_ip, struct dst_entry *dst, n, n->dev, 0); if (!ep->l2t) goto out; - ep->mtu = dst_mtu(ep->dst); + ep->mtu = dst_mtu(dst); ep->tx_chan = cxgb4_port_chan(n->dev); ep->smac_idx = (cxgb4_port_viid(n->dev) & 0x7F) << 1; step = cdev->rdev.lldi.ntxq / @@ -2656,6 +2656,12 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb) unsigned int tid = GET_TID(req); ep = lookup_tid(t, tid); + if (!ep) { + printk(KERN_WARNING MOD + "Abort on non-existent endpoint, tid %d\n", tid); + kfree_skb(skb); + return 0; + } if (is_neg_adv_abort(req->status)) { PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep, ep->hwtid); @@ -2667,11 +2673,8 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb) /* * Wake up any threads in rdma_init() or rdma_fini(). - * However, this is not needed if com state is just - * MPA_REQ_SENT */ - if (ep->com.state != MPA_REQ_SENT) - c4iw_wake_up(&ep->com.wr_wait, -ECONNRESET); + c4iw_wake_up(&ep->com.wr_wait, -ECONNRESET); sched(dev, skb); return 0; } diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 35c1e17..97b2e21 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1056,8 +1056,8 @@ static const char *intr_remap_fault_reasons[] = const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type) { - if (fault_reason >= 0x20 && (fault_reason <= 0x20 + - ARRAY_SIZE(intr_remap_fault_reasons))) { + if (fault_reason >= 0x20 && (fault_reason - 0x20 < + ARRAY_SIZE(intr_remap_fault_reasons))) { *fault_type = INTR_REMAP; return intr_remap_fault_reasons[fault_reason - 0x20]; } else if (fault_reason < ARRAY_SIZE(dma_remap_fault_reasons)) { diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index f93d5ac..5fda348 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2286,12 +2286,6 @@ static int domain_add_dev_info(struct dmar_domain *domain, if (!info) return -ENOMEM; - ret = domain_context_mapping(domain, pdev, translation); - if (ret) { - free_devinfo_mem(info); - return ret; - } - info->segment = pci_domain_nr(pdev->bus); info->bus = pdev->bus->number; info->devfn = pdev->devfn; @@ -2304,6 +2298,17 @@ static int domain_add_dev_info(struct dmar_domain *domain, pdev->dev.archdata.iommu = info; spin_unlock_irqrestore(&device_domain_lock, flags); + ret = domain_context_mapping(domain, pdev, translation); + if (ret) { + spin_lock_irqsave(&device_domain_lock, flags); + list_del(&info->link); + list_del(&info->global); + pdev->dev.archdata.iommu = NULL; + spin_unlock_irqrestore(&device_domain_lock, flags); + free_devinfo_mem(info); + return ret; + } + return 0; } diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c index 343b5c8..579aa02 100644 --- a/drivers/isdn/gigaset/capi.c +++ b/drivers/isdn/gigaset/capi.c @@ -14,6 +14,7 @@ #include "gigaset.h" #include #include +#include #include #include #include @@ -223,10 +224,14 @@ get_appl(struct gigaset_capi_ctr *iif, u16 appl) static inline void dump_cmsg(enum debuglevel level, const char *tag, _cmsg *p) { #ifdef CONFIG_GIGASET_DEBUG + /* dump at most 20 messages in 20 secs */ + static DEFINE_RATELIMIT_STATE(msg_dump_ratelimit, 20 * HZ, 20); _cdebbuf *cdb; if (!(gigaset_debuglevel & level)) return; + if (!___ratelimit(&msg_dump_ratelimit, tag)) + return; cdb = capi_cmsg2str(p); if (cdb) { @@ -1882,6 +1887,9 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif, /* check for active logical connection */ if (bcs->apconnstate >= APCONN_ACTIVE) { + /* clear it */ + bcs->apconnstate = APCONN_SETUP; + /* * emit DISCONNECT_B3_IND with cause 0x3301 * use separate cmsg structure, as the content of iif->acmsg @@ -1906,6 +1914,7 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif, } capi_cmsg2message(b3cmsg, __skb_put(b3skb, CAPI_DISCONNECT_B3_IND_BASELEN)); + dump_cmsg(DEBUG_CMD, __func__, b3cmsg); kfree(b3cmsg); capi_ctr_handle_message(&iif->ctr, ap->id, b3skb); } @@ -2059,12 +2068,6 @@ static void do_reset_b3_req(struct gigaset_capi_ctr *iif, } /* - * dump unsupported/ignored messages at most twice per minute, - * some apps send those very frequently - */ -static unsigned long ignored_msg_dump_time; - -/* * unsupported CAPI message handler */ static void do_unsupported(struct gigaset_capi_ctr *iif, @@ -2073,8 +2076,7 @@ static void do_unsupported(struct gigaset_capi_ctr *iif, { /* decode message */ capi_message2cmsg(&iif->acmsg, skb->data); - if (printk_timed_ratelimit(&ignored_msg_dump_time, 30 * 1000)) - dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg); + dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg); send_conf(iif, ap, skb, CapiMessageNotSupportedInCurrentState); } @@ -2085,11 +2087,9 @@ static void do_nothing(struct gigaset_capi_ctr *iif, struct gigaset_capi_appl *ap, struct sk_buff *skb) { - if (printk_timed_ratelimit(&ignored_msg_dump_time, 30 * 1000)) { - /* decode message */ - capi_message2cmsg(&iif->acmsg, skb->data); - dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg); - } + /* decode message */ + capi_message2cmsg(&iif->acmsg, skb->data); + dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg); dev_kfree_skb_any(skb); } diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index 624a825..685638a 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -190,6 +190,7 @@ struct reply_t gigaset_tab_nocid[] = ACT_INIT} }, {RSP_OK, 121, 121, -1, 0, 0, {ACT_GOTVER, ACT_INIT} }, + {RSP_NONE, 121, 121, -1, 120, 0, {ACT_GETSTRING} }, /* leave dle mode */ {RSP_INIT, 0, 0, SEQ_DLE0, 201, 5, {0}, "^SDLE=0\r"}, @@ -1314,8 +1315,9 @@ static void do_action(int action, struct cardstate *cs, s = ev->ptr; if (!strcmp(s, "OK")) { + /* OK without version string: assume old response */ *p_genresp = 1; - *p_resp_code = RSP_ERROR; + *p_resp_code = RSP_NONE; break; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 01233d8..2b30ffd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -452,7 +452,7 @@ static void submit_flushes(struct work_struct *ws) atomic_inc(&rdev->nr_pending); atomic_inc(&rdev->nr_pending); rcu_read_unlock(); - bi = bio_alloc_mddev(GFP_KERNEL, 0, mddev); + bi = bio_alloc_mddev(GFP_NOIO, 0, mddev); bi->bi_end_io = md_end_flush; bi->bi_private = rdev; bi->bi_bdev = rdev->bdev; diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c index b1fe513..63c004a 100644 --- a/drivers/media/dvb/siano/smsusb.c +++ b/drivers/media/dvb/siano/smsusb.c @@ -542,6 +542,8 @@ static const struct usb_device_id smsusb_id_table[] __devinitconst = { .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xc090), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc0a0), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { } /* Terminating entry */ }; diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index ff2cddd..53ab972 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -687,7 +687,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) break; } pin = iterm->id; - } else if (pin < selector->bNrInPins) { + } else if (index < selector->bNrInPins) { pin = selector->baSourceID[index]; list_for_each_entry(iterm, &chain->entities, chain) { if (!UVC_ENTITY_IS_ITERM(iterm)) diff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c index 2c14be7..f13e38d 100644 --- a/drivers/mmc/core/cd-gpio.c +++ b/drivers/mmc/core/cd-gpio.c @@ -73,6 +73,9 @@ void mmc_cd_gpio_free(struct mmc_host *host) { struct mmc_cd_gpio *cd = host->hotplug.handler_priv; + if (!cd) + return; + free_irq(host->hotplug.irq, host); gpio_free(cd->gpio); kfree(cd); diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 2c7c83f..13d0e95 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -947,7 +947,7 @@ static int mmc_sdio_resume(struct mmc_host *host) } if (!err && host->sdio_irqs) - mmc_signal_sdio_irq(host); + wake_up_process(host->sdio_irq_thread); mmc_release_host(host); /* diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index f573e7f..3d8ceb4 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -28,18 +28,20 @@ #include "sdio_ops.h" -static int process_sdio_pending_irqs(struct mmc_card *card) +static int process_sdio_pending_irqs(struct mmc_host *host) { + struct mmc_card *card = host->card; int i, ret, count; unsigned char pending; struct sdio_func *func; /* * Optimization, if there is only 1 function interrupt registered - * call irq handler directly + * and we know an IRQ was signaled then call irq handler directly. + * Otherwise do the full probe. */ func = card->sdio_single_irq; - if (func) { + if (func && host->sdio_irq_pending) { func->irq_handler(func); return 1; } @@ -116,7 +118,8 @@ static int sdio_irq_thread(void *_host) ret = __mmc_claim_host(host, &host->sdio_irq_thread_abort); if (ret) break; - ret = process_sdio_pending_irqs(host->card); + ret = process_sdio_pending_irqs(host); + host->sdio_irq_pending = false; mmc_release_host(host); /* diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 56d4499..71a0c4e 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1969,7 +1969,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) ret = request_threaded_irq(mmc_slot(host).card_detect_irq, NULL, omap_hsmmc_detect, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, mmc_hostname(mmc), host); if (ret) { dev_dbg(mmc_dev(host->mmc), diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index df7e16d..a98db30 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1571,8 +1571,6 @@ static void b43legacy_request_firmware(struct work_struct *work) const char *filename; int err; - /* do dummy read */ - ssb_read32(dev->dev, SSB_TMSHIGH); if (!fw->ucode) { if (rev == 2) filename = "ucode2"; diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 046fb1b..c18f0fd 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2971,6 +2971,8 @@ unset_supplies: unset_regulator_supplies(rdev); scrub: + if (rdev->supply) + regulator_put(rdev->supply); kfree(rdev->constraints); device_unregister(&rdev->dev); /* device core frees rdev */ diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 5137db5..bc6cf88 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -476,7 +476,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic if (!orom) orom = isci_request_oprom(pdev); - for (i = 0; orom && i < ARRAY_SIZE(orom->ctrl); i++) { + for (i = 0; orom && i < num_controllers(pdev); i++) { if (sci_oem_parameters_validate(&orom->ctrl[i], orom->hdr.version)) { dev_warn(&pdev->dev, diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 8a59a77..1808478 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -3343,7 +3343,7 @@ _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) } pfacts = &ioc->pfacts[port]; - memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); + memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); pfacts->PortNumber = mpi_reply.PortNumber; pfacts->VP_ID = mpi_reply.VP_ID; pfacts->VF_ID = mpi_reply.VF_ID; @@ -3385,7 +3385,7 @@ _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } facts = &ioc->facts; - memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); + memset(facts, 0, sizeof(struct mpt2sas_facts)); facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); facts->VP_ID = mpi_reply.VP_ID; @@ -4262,7 +4262,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) goto out_free_resources; ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, - sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); + sizeof(struct mpt2sas_port_facts), GFP_KERNEL); if (!ioc->pfacts) { r = -ENOMEM; goto out_free_resources; diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index 5f748c0..6a62934 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -933,7 +933,7 @@ err: static void fsl_spi_cs_control(struct spi_device *spi, bool on) { - struct device *dev = spi->dev.parent; + struct device *dev = spi->dev.parent->parent; struct mpc8xxx_spi_probe_info *pinfo = to_of_pinfo(dev->platform_data); u16 cs = spi->chip_select; int gpio = pinfo->gpios[cs]; diff --git a/drivers/staging/android/persistent_ram.c b/drivers/staging/android/persistent_ram.c index 8d8c1e3..3d986ce 100644 --- a/drivers/staging/android/persistent_ram.c +++ b/drivers/staging/android/persistent_ram.c @@ -79,23 +79,6 @@ static inline void buffer_size_add(struct persistent_ram_zone *prz, size_t a) } while (atomic_cmpxchg(&prz->buffer->size, old, new) != old); } -/* increase the size counter, retuning an error if it hits the max size */ -static inline ssize_t buffer_size_add_clamp(struct persistent_ram_zone *prz, - size_t a) -{ - size_t old; - size_t new; - - do { - old = atomic_read(&prz->buffer->size); - new = old + a; - if (new > prz->buffer_size) - return -ENOMEM; - } while (atomic_cmpxchg(&prz->buffer->size, old, new) != old); - - return 0; -} - static void notrace persistent_ram_encode_rs8(struct persistent_ram_zone *prz, uint8_t *data, size_t len, uint8_t *ecc) { @@ -300,7 +283,7 @@ int notrace persistent_ram_write(struct persistent_ram_zone *prz, c = prz->buffer_size; } - buffer_size_add_clamp(prz, c); + buffer_size_add(prz, c); start = buffer_start_add(prz, c); diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 9bcf87a..a796964 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -280,7 +280,7 @@ static int do_devconfig_ioctl(struct comedi_device *dev, if (ret == 0) { if (!try_module_get(dev->driver->module)) { comedi_device_detach(dev); - return -ENOSYS; + ret = -ENOSYS; } } diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 83d5c88..d3d91da 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -430,9 +430,9 @@ static int __devinit xencons_probe(struct xenbus_device *dev, if (devid == 0) return -ENODEV; - info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL | __GFP_ZERO); + info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL); if (!info) - goto error_nomem; + return -ENOMEM; dev_set_drvdata(&dev->dev, info); info->xbdev = dev; info->vtermno = xenbus_devid_to_vtermno(devid); diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index 5c27f7e..d537431 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -2280,10 +2280,11 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, quot++; if (up->capabilities & UART_CAP_FIFO && port->fifosize > 1) { - if (baud < 2400) - fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_1; - else - fcr = uart_config[port->type].fcr; + fcr = uart_config[port->type].fcr; + if (baud < 2400) { + fcr &= ~UART_FCR_TRIGGER_MASK; + fcr |= UART_FCR_TRIGGER_1; + } } /* diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 858dca8..3614973 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1609,54 +1609,72 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { { .vendor = PCI_VENDOR_ID_INTEL, .device = 0x8811, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = PCI_VENDOR_ID_INTEL, .device = 0x8812, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = PCI_VENDOR_ID_INTEL, .device = 0x8813, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = PCI_VENDOR_ID_INTEL, .device = 0x8814, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = 0x10DB, .device = 0x8027, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = 0x10DB, .device = 0x8028, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = 0x10DB, .device = 0x8029, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = 0x10DB, .device = 0x800C, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, { .vendor = 0x10DB, .device = 0x800D, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, .init = pci_eg20t_init, .setup = pci_default_setup, }, diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 55fd362..039c054 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -369,6 +369,8 @@ static void mxs_auart_settermios(struct uart_port *u, writel(ctrl, u->membase + AUART_LINECTRL); writel(ctrl2, u->membase + AUART_CTRL2); + + uart_update_timeout(u, termios->c_cflag, baud); } static irqreturn_t mxs_auart_irq_handle(int irq, void *context) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 9c4c05b..246b823 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2282,6 +2282,7 @@ void uart_unregister_driver(struct uart_driver *drv) tty_unregister_driver(p); put_tty_driver(p); kfree(drv->state); + drv->state = NULL; drv->tty_driver = NULL; } diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 0bb2b32..4c8321e 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -309,9 +309,6 @@ static void free_urbs(struct wdm_device *desc) static void cleanup(struct wdm_device *desc) { - spin_lock(&wdm_device_list_lock); - list_del(&desc->device_list); - spin_unlock(&wdm_device_list_lock); kfree(desc->sbuf); kfree(desc->inbuf); kfree(desc->orq); @@ -530,11 +527,13 @@ static int wdm_flush(struct file *file, fl_owner_t id) struct wdm_device *desc = file->private_data; wait_event(desc->wait, !test_bit(WDM_IN_USE, &desc->flags)); - if (desc->werr < 0) + + /* cannot dereference desc->intf if WDM_DISCONNECTING */ + if (desc->werr < 0 && !test_bit(WDM_DISCONNECTING, &desc->flags)) dev_err(&desc->intf->dev, "Error in flush path: %d\n", desc->werr); - return desc->werr; + return usb_translate_errors(desc->werr); } static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait) @@ -545,7 +544,7 @@ static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait) spin_lock_irqsave(&desc->iuspin, flags); if (test_bit(WDM_DISCONNECTING, &desc->flags)) { - mask = POLLERR; + mask = POLLHUP | POLLERR; spin_unlock_irqrestore(&desc->iuspin, flags); goto desc_out; } @@ -621,10 +620,15 @@ static int wdm_release(struct inode *inode, struct file *file) mutex_unlock(&desc->wlock); if (!desc->count) { - dev_dbg(&desc->intf->dev, "wdm_release: cleanup"); - kill_urbs(desc); - if (!test_bit(WDM_DISCONNECTING, &desc->flags)) + if (!test_bit(WDM_DISCONNECTING, &desc->flags)) { + dev_dbg(&desc->intf->dev, "wdm_release: cleanup"); + kill_urbs(desc); desc->manage_power(desc->intf, 0); + } else { + /* must avoid dev_printk here as desc->intf is invalid */ + pr_debug(KBUILD_MODNAME " %s: device gone - cleaning up\n", __func__); + cleanup(desc); + } } mutex_unlock(&wdm_mutex); return 0; @@ -771,6 +775,9 @@ static int wdm_create(struct usb_interface *intf, struct usb_endpoint_descriptor out: return rv; err: + spin_lock(&wdm_device_list_lock); + list_del(&desc->device_list); + spin_unlock(&wdm_device_list_lock); cleanup(desc); return rv; } @@ -896,6 +903,12 @@ static void wdm_disconnect(struct usb_interface *intf) cancel_work_sync(&desc->rxwork); mutex_unlock(&desc->wlock); mutex_unlock(&desc->rlock); + + /* the desc->intf pointer used as list key is now invalid */ + spin_lock(&wdm_device_list_lock); + list_del(&desc->device_list); + spin_unlock(&wdm_device_list_lock); + if (!desc->count) cleanup(desc); mutex_unlock(&wdm_mutex); diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 8df4b76..4e57772 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -333,17 +333,14 @@ static struct async *async_getcompleted(struct dev_state *ps) static struct async *async_getpending(struct dev_state *ps, void __user *userurb) { - unsigned long flags; struct async *as; - spin_lock_irqsave(&ps->lock, flags); list_for_each_entry(as, &ps->async_pending, asynclist) if (as->userurb == userurb) { list_del_init(&as->asynclist); - spin_unlock_irqrestore(&ps->lock, flags); return as; } - spin_unlock_irqrestore(&ps->lock, flags); + return NULL; } @@ -398,6 +395,7 @@ static void cancel_bulk_urbs(struct dev_state *ps, unsigned bulk_addr) __releases(ps->lock) __acquires(ps->lock) { + struct urb *urb; struct async *as; /* Mark all the pending URBs that match bulk_addr, up to but not @@ -420,8 +418,11 @@ __acquires(ps->lock) list_for_each_entry(as, &ps->async_pending, asynclist) { if (as->bulk_status == AS_UNLINK) { as->bulk_status = 0; /* Only once */ + urb = as->urb; + usb_get_urb(urb); spin_unlock(&ps->lock); /* Allow completions */ - usb_unlink_urb(as->urb); + usb_unlink_urb(urb); + usb_put_urb(urb); spin_lock(&ps->lock); goto rescan; } @@ -472,6 +473,7 @@ static void async_completed(struct urb *urb) static void destroy_async(struct dev_state *ps, struct list_head *list) { + struct urb *urb; struct async *as; unsigned long flags; @@ -479,10 +481,13 @@ static void destroy_async(struct dev_state *ps, struct list_head *list) while (!list_empty(list)) { as = list_entry(list->next, struct async, asynclist); list_del_init(&as->asynclist); + urb = as->urb; + usb_get_urb(urb); /* drop the spinlock so the completion handler can run */ spin_unlock_irqrestore(&ps->lock, flags); - usb_kill_urb(as->urb); + usb_kill_urb(urb); + usb_put_urb(urb); spin_lock_irqsave(&ps->lock, flags); } spin_unlock_irqrestore(&ps->lock, flags); @@ -1410,12 +1415,24 @@ static int proc_submiturb(struct dev_state *ps, void __user *arg) static int proc_unlinkurb(struct dev_state *ps, void __user *arg) { + struct urb *urb; struct async *as; + unsigned long flags; + spin_lock_irqsave(&ps->lock, flags); as = async_getpending(ps, arg); - if (!as) + if (!as) { + spin_unlock_irqrestore(&ps->lock, flags); return -EINVAL; - usb_kill_urb(as->urb); + } + + urb = as->urb; + usb_get_urb(urb); + spin_unlock_irqrestore(&ps->lock, flags); + + usb_kill_urb(urb); + usb_put_urb(urb); + return 0; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index ec6c97d..c8e0704 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2499,6 +2499,10 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) NULL, 0, USB_CTRL_SET_TIMEOUT); + /* Try to enable USB2 hardware LPM again */ + if (udev->usb2_hw_lpm_capable == 1) + usb_set_usb2_hardware_lpm(udev, 1); + /* System sleep transitions should never fail */ if (!PMSG_IS_AUTO(msg)) status = 0; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 4c65eb6..32d3adc 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -123,6 +123,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Guillemot Webcam Hercules Dualpix Exchange*/ { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Midiman M-Audio Keystation 88es */ + { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME }, + /* M-Systems Flash Disk Pioneers */ { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index cd9b3a2..9d912bf 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -681,6 +681,27 @@ void usb_unpoison_urb(struct urb *urb) EXPORT_SYMBOL_GPL(usb_unpoison_urb); /** + * usb_block_urb - reliably prevent further use of an URB + * @urb: pointer to URB to be blocked, may be NULL + * + * After the routine has run, attempts to resubmit the URB will fail + * with error -EPERM. Thus even if the URB's completion handler always + * tries to resubmit, it will not succeed and the URB will become idle. + * + * The URB must not be deallocated while this routine is running. In + * particular, when a driver calls this routine, it must insure that the + * completion handler cannot deallocate the URB. + */ +void usb_block_urb(struct urb *urb) +{ + if (!urb) + return; + + atomic_inc(&urb->reject); +} +EXPORT_SYMBOL_GPL(usb_block_urb); + +/** * usb_kill_anchored_urbs - cancel transfer requests en masse * @anchor: anchor the requests are bound to * diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 55abfb6..188a89f 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -736,6 +736,8 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) lastreq = list_entry(ep->queue.prev, struct fsl_req, queue); lastreq->tail->next_td_ptr = cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK); + /* Ensure dTD's next dtd pointer to be updated */ + wmb(); /* Read prime bit, if 1 goto done */ if (fsl_readl(&dr_regs->endpointprime) & bitmask) return; diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 5c78f9e..e669c6a 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -242,15 +242,6 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) ehci_reset(omap_ehci); - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) { - dev_err(dev, "failed to add hcd with err %d\n", ret); - goto err_add_hcd; - } - - /* root ports should always stay powered */ - ehci_port_power(omap_ehci, 1); - if (pdata->phy_reset) { /* Hold the PHY in RESET for enough time till * PHY is settled and ready @@ -264,6 +255,15 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) gpio_set_value(pdata->reset_gpio_port[1], 1); } + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (ret) { + dev_err(dev, "failed to add hcd with err %d\n", ret); + goto err_add_hcd; + } + + /* root ports should always stay powered */ + ehci_port_power(omap_ehci, 1); + return 0; err_add_hcd: diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index fe8dc06..bc94d7b 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -368,7 +368,9 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_EHCI && pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == 0x1E26; + (pdev->device == 0x1E26 || + pdev->device == 0x8C2D || + pdev->device == 0x8C26); } static void ehci_enable_xhci_companion(void) diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index d238b4e2..82c1eb8 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -75,8 +75,6 @@ static const struct hc_driver ehci_platform_hc_driver = { .relinquish_port = ehci_relinquish_port, .port_handed_over = ehci_port_handed_over, - .update_device = ehci_update_device, - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, }; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 13ebeca..55d3d64 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -223,7 +223,7 @@ static void __devexit usb_hcd_at91_remove(struct usb_hcd *hcd, /*-------------------------------------------------------------------------*/ static int __devinit -ohci_at91_start (struct usb_hcd *hcd) +ohci_at91_reset (struct usb_hcd *hcd) { struct at91_usbh_data *board = hcd->self.controller->platform_data; struct ohci_hcd *ohci = hcd_to_ohci (hcd); @@ -233,6 +233,14 @@ ohci_at91_start (struct usb_hcd *hcd) return ret; ohci->num_ports = board->ports; + return 0; +} + +static int __devinit +ohci_at91_start (struct usb_hcd *hcd) +{ + struct ohci_hcd *ohci = hcd_to_ohci (hcd); + int ret; if ((ret = ohci_run(ohci)) < 0) { err("can't start %s", hcd->self.bus_name); @@ -418,6 +426,7 @@ static const struct hc_driver ohci_at91_hc_driver = { /* * basic lifecycle operations */ + .reset = ohci_at91_reset, .start = ohci_at91_start, .stop = ohci_stop, .shutdown = ohci_shutdown, diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 32dada8..df0828c 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -9,6 +9,7 @@ */ #include +#include #include #include #include @@ -712,12 +713,28 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, return -ETIMEDOUT; } -bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) +#define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31 + +bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI; } + +/* The Intel Lynx Point chipset also has switchable ports. */ +bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev) +{ + return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && + pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI; +} + +bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) +{ + return usb_is_intel_ppt_switchable_xhci(pdev) || + usb_is_intel_lpt_switchable_xhci(pdev); +} EXPORT_SYMBOL_GPL(usb_is_intel_switchable_xhci); /* @@ -742,6 +759,19 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) { u32 ports_available; + /* Don't switchover the ports if the user hasn't compiled the xHCI + * driver. Otherwise they will see "dead" USB ports that don't power + * the devices. + */ + if (!IS_ENABLED(CONFIG_USB_XHCI_HCD)) { + dev_warn(&xhci_pdev->dev, + "CONFIG_USB_XHCI_HCD is turned off, " + "defaulting to EHCI.\n"); + dev_warn(&xhci_pdev->dev, + "USB 3.0 devices will work at USB 2.0 speeds.\n"); + return; + } + ports_available = 0xffffffff; /* Write USB3_PSSEN, the USB 3.0 Port SuperSpeed Enable * Register, to turn on SuperSpeed terminations for all diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 673ad12..89850a8 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -558,6 +558,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, xhci_dbg(xhci, "Resume USB2 port %d\n", wIndex + 1); bus_state->resume_done[wIndex] = 0; + clear_bit(wIndex, &bus_state->resuming_ports); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); xhci_dbg(xhci, "set port %d resume\n", @@ -845,7 +846,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) /* Initial status is no changes */ retval = (max_ports + 8) / 8; memset(buf, 0, retval); - status = 0; + + /* + * Inform the usbcore about resume-in-progress by returning + * a non-zero value even if there are no status changes. + */ + status = bus_state->resuming_ports; mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC; @@ -885,15 +891,11 @@ int xhci_bus_suspend(struct usb_hcd *hcd) spin_lock_irqsave(&xhci->lock, flags); if (hcd->self.root_hub->do_remote_wakeup) { - port_index = max_ports; - while (port_index--) { - if (bus_state->resume_done[port_index] != 0) { - spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "suspend failed because " - "port %d is resuming\n", - port_index + 1); - return -EBUSY; - } + if (bus_state->resuming_ports) { + spin_unlock_irqrestore(&xhci->lock, flags); + xhci_dbg(xhci, "suspend failed because " + "a port is resuming\n"); + return -EBUSY; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 68eaa90..497ed77 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1791,6 +1791,14 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) { struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); struct dev_info *dev_info, *next; + struct list_head *tt_list_head; + struct list_head *tt; + struct list_head *endpoints; + struct list_head *ep, *q; + struct xhci_tt_bw_info *tt_info; + struct xhci_interval_bw_table *bwt; + struct xhci_virt_ep *virt_ep; + unsigned long flags; int size; int i; @@ -1807,6 +1815,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) xhci->event_ring = NULL; xhci_dbg(xhci, "Freed event ring\n"); + xhci->cmd_ring_reserved_trbs = 0; if (xhci->cmd_ring) xhci_ring_free(xhci, xhci->cmd_ring); xhci->cmd_ring = NULL; @@ -1849,8 +1858,26 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) } spin_unlock_irqrestore(&xhci->lock, flags); + bwt = &xhci->rh_bw->bw_table; + for (i = 0; i < XHCI_MAX_INTERVAL; i++) { + endpoints = &bwt->interval_bw[i].endpoints; + list_for_each_safe(ep, q, endpoints) { + virt_ep = list_entry(ep, struct xhci_virt_ep, bw_endpoint_list); + list_del(&virt_ep->bw_endpoint_list); + kfree(virt_ep); + } + } + + tt_list_head = &xhci->rh_bw->tts; + list_for_each_safe(tt, q, tt_list_head) { + tt_info = list_entry(tt, struct xhci_tt_bw_info, tt_list); + list_del(tt); + kfree(tt_info); + } + xhci->num_usb2_ports = 0; xhci->num_usb3_ports = 0; + xhci->num_active_eps = 0; kfree(xhci->usb2_ports); kfree(xhci->usb3_ports); kfree(xhci->port_array); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 7a856a7..19e8921 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -72,6 +72,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci_dbg(xhci, "QUIRK: Fresco Logic revision %u " "has broken MSI implementation\n", pdev->revision); + xhci->quirks |= XHCI_TRUST_TX_LENGTH; } if (pdev->vendor == PCI_VENDOR_ID_NEC) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 3d9422f..525a1ee 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1377,6 +1377,7 @@ static void handle_port_status(struct xhci_hcd *xhci, xhci_dbg(xhci, "resume HS port %d\n", port_id); bus_state->resume_done[faked_port_index] = jiffies + msecs_to_jiffies(20); + set_bit(faked_port_index, &bus_state->resuming_ports); mod_timer(&hcd->rh_timer, bus_state->resume_done[faked_port_index]); /* Do the rest in GetPortStatus */ @@ -1786,8 +1787,12 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, /* handle completion code */ switch (trb_comp_code) { case COMP_SUCCESS: - frame->status = 0; - break; + if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) { + frame->status = 0; + break; + } + if ((xhci->quirks & XHCI_TRUST_TX_LENGTH)) + trb_comp_code = COMP_SHORT_TX; case COMP_SHORT_TX: frame->status = td->urb->transfer_flags & URB_SHORT_NOT_OK ? -EREMOTEIO : 0; @@ -1803,6 +1808,7 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, break; case COMP_DEV_ERR: case COMP_STALL: + case COMP_TX_ERR: frame->status = -EPROTO; skip_td = true; break; @@ -1883,13 +1889,16 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, switch (trb_comp_code) { case COMP_SUCCESS: /* Double check that the HW transferred everything. */ - if (event_trb != td->last_trb) { + if (event_trb != td->last_trb || + TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { xhci_warn(xhci, "WARN Successful completion " "on short TX\n"); if (td->urb->transfer_flags & URB_SHORT_NOT_OK) *status = -EREMOTEIO; else *status = 0; + if ((xhci->quirks & XHCI_TRUST_TX_LENGTH)) + trb_comp_code = COMP_SHORT_TX; } else { *status = 0; } @@ -2048,6 +2057,13 @@ static int handle_tx_event(struct xhci_hcd *xhci, * transfer type */ case COMP_SUCCESS: + if (TRB_LEN(le32_to_cpu(event->transfer_len)) == 0) + break; + if (xhci->quirks & XHCI_TRUST_TX_LENGTH) + trb_comp_code = COMP_SHORT_TX; + else + xhci_warn(xhci, "WARN Successful completion on short TX: " + "needs XHCI_TRUST_TX_LENGTH quirk?\n"); case COMP_SHORT_TX: break; case COMP_STOP: diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 36641a7..5910048 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -152,7 +152,7 @@ int xhci_reset(struct xhci_hcd *xhci) { u32 command; u32 state; - int ret; + int ret, i; state = xhci_readl(xhci, &xhci->op_regs->status); if ((state & STS_HALT) == 0) { @@ -175,7 +175,15 @@ int xhci_reset(struct xhci_hcd *xhci) * xHCI cannot write to any doorbells or operational registers other * than status until the "Controller Not Ready" flag is cleared. */ - return handshake(xhci, &xhci->op_regs->status, STS_CNR, 0, 250 * 1000); + ret = handshake(xhci, &xhci->op_regs->status, STS_CNR, 0, 250 * 1000); + + for (i = 0; i < 2; ++i) { + xhci->bus_state[i].port_c_suspend = 0; + xhci->bus_state[i].suspended_ports = 0; + xhci->bus_state[i].resuming_ports = 0; + } + + return ret; } #ifdef CONFIG_PCI diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 3d69c4b..ac14276 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1362,6 +1362,8 @@ struct xhci_bus_state { u32 suspended_ports; u32 port_remote_wakeup; unsigned long resume_done[USB_MAXCHILDREN]; + /* which ports have started to resume */ + unsigned long resuming_ports; }; static inline unsigned int hcd_index(struct usb_hcd *hcd) @@ -1479,6 +1481,7 @@ struct xhci_hcd { #define XHCI_RESET_ON_RESUME (1 << 7) #define XHCI_SW_BW_CHECKING (1 << 8) #define XHCI_AMD_0x96_HOST (1 << 9) +#define XHCI_TRUST_TX_LENGTH (1 << 10) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 9dcb68f..055b84a 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -1028,7 +1028,10 @@ test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param *param) case 13: /* short read, resembling case 10 */ req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); /* last data packet "should" be DATA1, not DATA0 */ - len = 1024 - udev->descriptor.bMaxPacketSize0; + if (udev->speed == USB_SPEED_SUPER) + len = 1024 - 512; + else + len = 1024 - udev->descriptor.bMaxPacketSize0; expected = -EREMOTEIO; break; case 14: /* short read; try to fill the last packet */ @@ -1387,11 +1390,15 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) static int halt_simple(struct usbtest_dev *dev) { - int ep; - int retval = 0; - struct urb *urb; + int ep; + int retval = 0; + struct urb *urb; + struct usb_device *udev = testdev_to_usbdev(dev); - urb = simple_alloc_urb(testdev_to_usbdev(dev), 0, 512); + if (udev->speed == USB_SPEED_SUPER) + urb = simple_alloc_urb(udev, 0, 1024); + else + urb = simple_alloc_urb(udev, 0, 512); if (urb == NULL) return -ENOMEM; diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c index a0a2178..fe20864 100644 --- a/drivers/usb/otg/gpio_vbus.c +++ b/drivers/usb/otg/gpio_vbus.c @@ -37,7 +37,7 @@ struct gpio_vbus_data { struct regulator *vbus_draw; int vbus_draw_enabled; unsigned mA; - struct work_struct work; + struct delayed_work work; }; @@ -94,7 +94,7 @@ static int is_vbus_powered(struct gpio_vbus_mach_info *pdata) static void gpio_vbus_work(struct work_struct *work) { struct gpio_vbus_data *gpio_vbus = - container_of(work, struct gpio_vbus_data, work); + container_of(work, struct gpio_vbus_data, work.work); struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data; int gpio, status; @@ -152,7 +152,7 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data) otg->gadget ? otg->gadget->name : "none"); if (otg->gadget) - schedule_work(&gpio_vbus->work); + schedule_delayed_work(&gpio_vbus->work, msecs_to_jiffies(100)); return IRQ_HANDLED; } @@ -300,7 +300,7 @@ static int __init gpio_vbus_probe(struct platform_device *pdev) ATOMIC_INIT_NOTIFIER_HEAD(&gpio_vbus->phy.notifier); - INIT_WORK(&gpio_vbus->work, gpio_vbus_work); + INIT_DELAYED_WORK(&gpio_vbus->work, gpio_vbus_work); gpio_vbus->vbus_draw = regulator_get(&pdev->dev, "vbus_draw"); if (IS_ERR(gpio_vbus->vbus_draw)) { diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 02e7f2d..95bba99 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -809,6 +809,7 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) }, { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) }, + { USB_DEVICE(PI_VID, PI_E861_PID) }, { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 0838baf8..f3c7c78 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -785,6 +785,14 @@ #define RTSYSTEMS_SERIAL_VX7_PID 0x9e52 /* Serial converter for VX-7 Radios using FT232RL */ #define RTSYSTEMS_CT29B_PID 0x9e54 /* CT29B Radio Cable */ + +/* + * Physik Instrumente + * http://www.physikinstrumente.com/en/products/ + */ +#define PI_VID 0x1a72 /* Vendor ID */ +#define PI_E861_PID 0x1008 /* E-861 piezo controller USB connection */ + /* * Bayer Ascensia Contour blood glucose meter USB-converter cable. * http://winglucofacts.com/cables/ diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index ab74123..3377437 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -165,7 +165,7 @@ static unsigned int product_5052_count; /* the array dimension is the number of default entries plus */ /* TI_EXTRA_VID_PID_COUNT user defined entries plus 1 terminating */ /* null entry */ -static struct usb_device_id ti_id_table_3410[14+TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_3410[15+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, @@ -180,6 +180,7 @@ static struct usb_device_id ti_id_table_3410[14+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) }, { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, }; static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = { @@ -189,7 +190,7 @@ static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, }; -static struct usb_device_id ti_id_table_combined[18+2*TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_combined[19+2*TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, @@ -208,6 +209,7 @@ static struct usb_device_id ti_id_table_combined[18+2*TI_EXTRA_VID_PID_COUNT+1] { USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) }, { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, { } }; diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index f140f1b..b353e7e 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -37,6 +37,7 @@ #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */ #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */ #define TI_5052_FIRMWARE_PRODUCT_ID 0x505F /* firmware is running */ +#define FRI2_PRODUCT_ID 0x5053 /* Fish River Island II */ /* Multi-Tech vendor and product ids */ #define MTS_VENDOR_ID 0x06E0 diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 97355a1..6933355 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1338,7 +1338,6 @@ static int usb_serial_register(struct usb_serial_driver *driver) driver->description); return -EINVAL; } - driver->usb_driver->supports_autosuspend = 1; /* Add this device to our list of devices */ mutex_lock(&table_lock); @@ -1373,7 +1372,7 @@ static void usb_serial_deregister(struct usb_serial_driver *device) * @serial_drivers: NULL-terminated array of pointers to drivers to be registered * * Registers @udriver and all the drivers in the @serial_drivers array. - * Automatically fills in the .no_dynamic_id field in @udriver and + * Automatically fills in the .no_dynamic_id and PM fields in @udriver and * the .usb_driver field in each serial driver. */ int usb_serial_register_drivers(struct usb_driver *udriver, @@ -1392,11 +1391,17 @@ int usb_serial_register_drivers(struct usb_driver *udriver, * the serial drivers are registered, because the probe would * simply fail for lack of a matching serial driver. * Therefore save off udriver's id_table until we are all set. + * + * Suspend/resume support is implemented in the usb-serial core, + * so fill in the PM-related fields in udriver. */ saved_id_table = udriver->id_table; udriver->id_table = NULL; udriver->no_dynamic_id = 1; + udriver->supports_autosuspend = 1; + udriver->suspend = usb_serial_suspend; + udriver->resume = usb_serial_resume; rc = usb_register(udriver); if (rc) return rc; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 856ad92..8f3cbb8 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1885,6 +1885,13 @@ UNUSUAL_DEV( 0x1652, 0x6600, 0x0201, 0x0201, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Jesse Feddema */ +UNUSUAL_DEV( 0x177f, 0x0400, 0x0000, 0x0000, + "Yarvik", + "PMP400", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ), + /* Reported by Hans de Goede * These Appotech controllers are found in Picture Frames, they provide a * (buggy) emulation of a cdrom drive which contains the windows software diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 7a0b301..e672698 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -758,7 +758,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) } lcdc_write_chan(ch, LDDFR, tmp); - lcdc_write_chan(ch, LDMLSR, ch->pitch); + lcdc_write_chan(ch, LDMLSR, ch->line_size); lcdc_write_chan(ch, LDSA1R, ch->base_addr_y); if (ch->format->yuv) lcdc_write_chan(ch, LDSA2R, ch->base_addr_c); @@ -847,6 +847,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) ch->base_addr_y = ch->dma_handle; ch->base_addr_c = ch->base_addr_y + ch->xres * ch->yres_virtual; + ch->line_size = ch->pitch; /* Enable MERAM if possible. */ if (mdev == NULL || mdev->ops == NULL || @@ -882,7 +883,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) meram = mdev->ops->meram_register(mdev, ch->cfg->meram_cfg, ch->pitch, ch->yres, pixelformat, - &ch->pitch); + &ch->line_size); if (!IS_ERR(meram)) { mdev->ops->meram_update(mdev, meram, ch->base_addr_y, ch->base_addr_c, diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h index da1c26e..5c3bddd 100644 --- a/drivers/video/sh_mobile_lcdcfb.h +++ b/drivers/video/sh_mobile_lcdcfb.h @@ -84,6 +84,7 @@ struct sh_mobile_lcdc_chan { unsigned long base_addr_y; unsigned long base_addr_c; + unsigned int line_size; int (*notify)(struct sh_mobile_lcdc_chan *ch, enum sh_mobile_lcdc_entity_event event, diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 0a8a17c..6908e4c 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -611,7 +611,7 @@ static void disable_pirq(struct irq_data *data) disable_dynirq(data); } -static int find_irq_by_gsi(unsigned gsi) +int xen_irq_from_gsi(unsigned gsi) { struct irq_info *info; @@ -625,6 +625,7 @@ static int find_irq_by_gsi(unsigned gsi) return -1; } +EXPORT_SYMBOL_GPL(xen_irq_from_gsi); /* * Do not make any assumptions regarding the relationship between the @@ -644,7 +645,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, mutex_lock(&irq_mapping_update_lock); - irq = find_irq_by_gsi(gsi); + irq = xen_irq_from_gsi(gsi); if (irq != -1) { printk(KERN_INFO "xen_map_pirq_gsi: returning irq %d for gsi %u\n", irq, gsi); diff --git a/fs/aio.c b/fs/aio.c index 67a6db3..e7f2fad 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1456,6 +1456,10 @@ static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat) if (ret < 0) goto out; + ret = rw_verify_area(type, kiocb->ki_filp, &kiocb->ki_pos, ret); + if (ret < 0) + goto out; + kiocb->ki_nr_segs = kiocb->ki_nbytes; kiocb->ki_cur_seg = 0; /* ki_nbytes/left now reflect bytes instead of segs */ @@ -1467,11 +1471,17 @@ out: return ret; } -static ssize_t aio_setup_single_vector(struct kiocb *kiocb) +static ssize_t aio_setup_single_vector(int type, struct file * file, struct kiocb *kiocb) { + int bytes; + + bytes = rw_verify_area(type, file, &kiocb->ki_pos, kiocb->ki_left); + if (bytes < 0) + return bytes; + kiocb->ki_iovec = &kiocb->ki_inline_vec; kiocb->ki_iovec->iov_base = kiocb->ki_buf; - kiocb->ki_iovec->iov_len = kiocb->ki_left; + kiocb->ki_iovec->iov_len = bytes; kiocb->ki_nr_segs = 1; kiocb->ki_cur_seg = 0; return 0; @@ -1496,10 +1506,7 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb, bool compat) if (unlikely(!access_ok(VERIFY_WRITE, kiocb->ki_buf, kiocb->ki_left))) break; - ret = security_file_permission(file, MAY_READ); - if (unlikely(ret)) - break; - ret = aio_setup_single_vector(kiocb); + ret = aio_setup_single_vector(READ, file, kiocb); if (ret) break; ret = -EINVAL; @@ -1514,10 +1521,7 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb, bool compat) if (unlikely(!access_ok(VERIFY_READ, kiocb->ki_buf, kiocb->ki_left))) break; - ret = security_file_permission(file, MAY_WRITE); - if (unlikely(ret)) - break; - ret = aio_setup_single_vector(kiocb); + ret = aio_setup_single_vector(WRITE, file, kiocb); if (ret) break; ret = -EINVAL; @@ -1528,9 +1532,6 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb, bool compat) ret = -EBADF; if (unlikely(!(file->f_mode & FMODE_READ))) break; - ret = security_file_permission(file, MAY_READ); - if (unlikely(ret)) - break; ret = aio_setup_vectored_rw(READ, kiocb, compat); if (ret) break; @@ -1542,9 +1543,6 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb, bool compat) ret = -EBADF; if (unlikely(!(file->f_mode & FMODE_WRITE))) break; - ret = security_file_permission(file, MAY_WRITE); - if (unlikely(ret)) - break; ret = aio_setup_vectored_rw(WRITE, kiocb, compat); if (ret) break; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index cbde4b7..0707d22 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -297,6 +297,7 @@ struct mmc_host { unsigned int sdio_irqs; struct task_struct *sdio_irq_thread; + bool sdio_irq_pending; atomic_t sdio_irq_thread_abort; mmc_pm_flag_t pm_flags; /* requested pm features */ @@ -352,6 +353,7 @@ extern int mmc_cache_ctrl(struct mmc_host *, u8); static inline void mmc_signal_sdio_irq(struct mmc_host *host) { host->ops->enable_sdio_irq(host, 0); + host->sdio_irq_pending = true; wake_up_process(host->sdio_irq_thread); } diff --git a/include/linux/usb.h b/include/linux/usb.h index 73b68d1..26229fd 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1379,6 +1379,7 @@ extern int usb_unlink_urb(struct urb *urb); extern void usb_kill_urb(struct urb *urb); extern void usb_poison_urb(struct urb *urb); extern void usb_unpoison_urb(struct urb *urb); +extern void usb_block_urb(struct urb *urb); extern void usb_kill_anchored_urbs(struct usb_anchor *anchor); extern void usb_poison_anchored_urbs(struct usb_anchor *anchor); extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor); @@ -1391,6 +1392,8 @@ extern struct urb *usb_get_from_anchor(struct usb_anchor *anchor); extern void usb_scuttle_anchored_urbs(struct usb_anchor *anchor); extern int usb_anchor_empty(struct usb_anchor *anchor); +#define usb_unblock_urb usb_unpoison_urb + /** * usb_urb_dir_in - check if an URB describes an IN transfer * @urb: URB to be checked diff --git a/include/xen/events.h b/include/xen/events.h index 0f77370..04399b2 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -103,6 +103,9 @@ int xen_irq_from_pirq(unsigned pirq); /* Return the pirq allocated to the irq. */ int xen_pirq_from_irq(unsigned irq); +/* Return the irq allocated to the gsi */ +int xen_irq_from_gsi(unsigned gsi); + /* Determine whether to ignore this IRQ if it is passed to a guest. */ int xen_test_irq_shared(int irq); diff --git a/init/main.c b/init/main.c index 44b2433..cb54cd3 100644 --- a/init/main.c +++ b/init/main.c @@ -560,9 +560,6 @@ asmlinkage void __init start_kernel(void) early_boot_irqs_disabled = false; local_irq_enable(); - /* Interrupts are enabled now so all GFP allocations are safe. */ - gfp_allowed_mask = __GFP_BITS_MASK; - kmem_cache_init_late(); /* @@ -842,6 +839,10 @@ static int __init kernel_init(void * unused) * Wait until kthreadd is all set-up. */ wait_for_completion(&kthreadd_done); + + /* Now the scheduler is fully set up and can do blocking allocations */ + gfp_allowed_mask = __GFP_BITS_MASK; + /* * init can allocate pages on any node */ diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 5abf42f..7da267c 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1210,8 +1210,13 @@ static void worker_enter_idle(struct worker *worker) } else wake_up_all(&gcwq->trustee_wait); - /* sanity check nr_running */ - WARN_ON_ONCE(gcwq->nr_workers == gcwq->nr_idle && + /* + * Sanity check nr_running. Because trustee releases gcwq->lock + * between setting %WORKER_ROGUE and zapping nr_running, the + * warning may trigger spuriously. Check iff trustee is idle. + */ + WARN_ON_ONCE(gcwq->trustee_state == TRUSTEE_DONE && + gcwq->nr_workers == gcwq->nr_idle && atomic_read(get_gcwq_nr_running(gcwq->cpu))); } diff --git a/mm/mempolicy.c b/mm/mempolicy.c index b195691..bf5b485 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -607,27 +607,6 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end, return first; } -/* Apply policy to a single VMA */ -static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new) -{ - int err = 0; - struct mempolicy *old = vma->vm_policy; - - pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n", - vma->vm_start, vma->vm_end, vma->vm_pgoff, - vma->vm_ops, vma->vm_file, - vma->vm_ops ? vma->vm_ops->set_policy : NULL); - - if (vma->vm_ops && vma->vm_ops->set_policy) - err = vma->vm_ops->set_policy(vma, new); - if (!err) { - mpol_get(new); - vma->vm_policy = new; - mpol_put(old); - } - return err; -} - /* Step 2: apply policy to a range and do splits. */ static int mbind_range(struct mm_struct *mm, unsigned long start, unsigned long end, struct mempolicy *new_pol) @@ -676,9 +655,23 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, if (err) goto out; } - err = policy_vma(vma, new_pol); - if (err) - goto out; + + /* + * Apply policy to a single VMA. The reference counting of + * policy for vma_policy linkages has already been handled by + * vma_merge and split_vma as necessary. If this is a shared + * policy then ->set_policy will increment the reference count + * for an sp node. + */ + pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff, + vma->vm_ops, vma->vm_file, + vma->vm_ops ? vma->vm_ops->set_policy : NULL); + if (vma->vm_ops && vma->vm_ops->set_policy) { + err = vma->vm_ops->set_policy(vma, new_pol); + if (err) + goto out; + } } out: diff --git a/net/wireless/reg.c b/net/wireless/reg.c index e9a0ac8..15f3474 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -388,7 +388,15 @@ static void reg_regdb_query(const char *alpha2) schedule_work(®_regdb_work); } + +/* Feel free to add any other sanity checks here */ +static void reg_regdb_size_check(void) +{ + /* We should ideally BUILD_BUG_ON() but then random builds would fail */ + WARN_ONCE(!reg_regdb_size, "db.txt is empty, you should update it..."); +} #else +static inline void reg_regdb_size_check(void) {} static inline void reg_regdb_query(const char *alpha2) {} #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ @@ -2322,6 +2330,8 @@ int __init regulatory_init(void) spin_lock_init(®_requests_lock); spin_lock_init(®_pending_beacons_lock); + reg_regdb_size_check(); + cfg80211_regdomain = cfg80211_world_regdom; user_alpha2[0] = '9'; diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index d7018bf..3068d16 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -1232,6 +1232,7 @@ static int sel_make_bools(void) kfree(bool_pending_names[i]); kfree(bool_pending_names); kfree(bool_pending_values); + bool_num = 0; bool_pending_names = NULL; bool_pending_values = NULL; diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c index 4b107b5..8674b9e 100644 --- a/tools/usb/ffs-test.c +++ b/tools/usb/ffs-test.c @@ -297,7 +297,7 @@ static void *start_thread_helper(void *arg) ret = t->in(t, t->buf, t->buf_size); if (ret > 0) { - ret = t->out(t, t->buf, t->buf_size); + ret = t->out(t, t->buf, ret); name = out_name; op = "write"; } else {