diff options
75 files changed, 444 insertions, 290 deletions
diff --git a/Documentation/networking/scaling.txt b/Documentation/networking/scaling.txt index 58fd7414e6c..8ce7c30e723 100644 --- a/Documentation/networking/scaling.txt +++ b/Documentation/networking/scaling.txt @@ -243,7 +243,7 @@ configured. The number of entries in the global flow table is set through: The number of entries in the per-queue flow table are set through: - /sys/class/net/<dev>/queues/tx-<n>/rps_flow_cnt + /sys/class/net/<dev>/queues/rx-<n>/rps_flow_cnt == Suggested Configuration diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 5cc83851ad0..31a7d3a7ce2 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops = .write = u4_pcie_write_config, }; +static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev) +{ + /* Apple's device-tree "hides" the root complex virtual P2P bridge + * on U4. However, Linux sees it, causing the PCI <-> OF matching + * code to fail to properly match devices below it. This works around + * it by setting the node of the bridge to point to the PHB node, + * which is not entirely correct but fixes the matching code and + * doesn't break anything else. It's also the simplest possible fix. + */ + if (dev->dev.of_node == NULL) + dev->dev.of_node = pcibios_get_phb_of_node(dev->bus); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node); + #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 64b61bf72e9..547f1a6a35d 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -188,7 +188,8 @@ extern char elf_platform[]; #define SET_PERSONALITY(ex) \ do { \ if (personality(current->personality) != PER_LINUX32) \ - set_personality(PER_LINUX); \ + set_personality(PER_LINUX | \ + (current->personality & ~PER_MASK)); \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ set_thread_flag(TIF_31BIT); \ else \ diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index f69ff3c1349..5d56c2b95b1 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -303,15 +303,15 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) /* Walk the guest addr space page table */ table = gmap->table + (((to + off) >> 53) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 42) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 31) & 0x7ff); if (*table & _REGION_ENTRY_INV) - return 0; + goto out; table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN); table = table + (((to + off) >> 20) & 0x7ff); @@ -319,6 +319,7 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) flush |= gmap_unlink_segment(gmap, table); *table = _SEGMENT_ENTRY_INV; } +out: up_read(&gmap->mm->mmap_sem); if (flush) gmap_flush_tlb(gmap); diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 55a17c6efeb..d06a2660175 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -43,6 +43,8 @@ #define SUN4V_CHIP_NIAGARA1 0x01 #define SUN4V_CHIP_NIAGARA2 0x02 #define SUN4V_CHIP_NIAGARA3 0x03 +#define SUN4V_CHIP_NIAGARA4 0x04 +#define SUN4V_CHIP_NIAGARA5 0x05 #define SUN4V_CHIP_UNKNOWN 0xff #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h index 9ed6ff679ab..ee8edc68423 100644 --- a/arch/sparc/include/asm/xor_64.h +++ b/arch/sparc/include/asm/xor_64.h @@ -66,6 +66,8 @@ static struct xor_block_template xor_block_niagara = { ((tlb_type == hypervisor && \ (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \ - sun4v_chip_type == SUN4V_CHIP_NIAGARA3)) ? \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \ &xor_block_niagara : \ &xor_block_VIS) diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index 9810fd88105..ba9b1cec4e6 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -481,6 +481,18 @@ static void __init sun4v_cpu_probe(void) sparc_pmu_type = "niagara3"; break; + case SUN4V_CHIP_NIAGARA4: + sparc_cpu_type = "UltraSparc T4 (Niagara4)"; + sparc_fpu_type = "UltraSparc T4 integrated FPU"; + sparc_pmu_type = "niagara4"; + break; + + case SUN4V_CHIP_NIAGARA5: + sparc_cpu_type = "UltraSparc T5 (Niagara5)"; + sparc_fpu_type = "UltraSparc T5 integrated FPU"; + sparc_pmu_type = "niagara5"; + break; + default: printk(KERN_WARNING "CPU: Unknown sun4v cpu type [%s]\n", prom_cpu_compatible); diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c index 4197e8d62d4..9323eafccb9 100644 --- a/arch/sparc/kernel/cpumap.c +++ b/arch/sparc/kernel/cpumap.c @@ -325,6 +325,8 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index) case SUN4V_CHIP_NIAGARA1: case SUN4V_CHIP_NIAGARA2: case SUN4V_CHIP_NIAGARA3: + case SUN4V_CHIP_NIAGARA4: + case SUN4V_CHIP_NIAGARA5: rover_inc_table = niagara_iterate_method; break; default: diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 0eac1b2fc53..0d810c2f1d0 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -133,7 +133,7 @@ prom_sun4v_name: prom_niagara_prefix: .asciz "SUNW,UltraSPARC-T" prom_sparc_prefix: - .asciz "SPARC-T" + .asciz "SPARC-" .align 4 prom_root_compatible: .skip 64 @@ -396,7 +396,7 @@ sun4v_chip_type: or %g1, %lo(prom_cpu_compatible), %g1 sethi %hi(prom_sparc_prefix), %g7 or %g7, %lo(prom_sparc_prefix), %g7 - mov 7, %g3 + mov 6, %g3 90: ldub [%g7], %g2 ldub [%g1], %g4 cmp %g2, %g4 @@ -408,10 +408,23 @@ sun4v_chip_type: sethi %hi(prom_cpu_compatible), %g1 or %g1, %lo(prom_cpu_compatible), %g1 - ldub [%g1 + 7], %g2 + ldub [%g1 + 6], %g2 + cmp %g2, 'T' + be,pt %xcc, 70f + cmp %g2, 'M' + bne,pn %xcc, 4f + nop + +70: ldub [%g1 + 7], %g2 cmp %g2, '3' be,pt %xcc, 5f mov SUN4V_CHIP_NIAGARA3, %g4 + cmp %g2, '4' + be,pt %xcc, 5f + mov SUN4V_CHIP_NIAGARA4, %g4 + cmp %g2, '5' + be,pt %xcc, 5f + mov SUN4V_CHIP_NIAGARA5, %g4 ba,pt %xcc, 4f nop @@ -545,6 +558,12 @@ niagara_tlb_fixup: cmp %g1, SUN4V_CHIP_NIAGARA3 be,pt %xcc, niagara2_patch nop + cmp %g1, SUN4V_CHIP_NIAGARA4 + be,pt %xcc, niagara2_patch + nop + cmp %g1, SUN4V_CHIP_NIAGARA5 + be,pt %xcc, niagara2_patch + nop call generic_patch_copyops nop diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index c8cc461ff75..f793742eec2 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -380,8 +380,7 @@ void flush_thread(void) #endif } - /* Now, this task is no longer a kernel thread. */ - current->thread.current_ds = USER_DS; + /* This task is no longer a kernel thread. */ if (current->thread.flags & SPARC_FLAG_KTHREAD) { current->thread.flags &= ~SPARC_FLAG_KTHREAD; diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index c158a95ec66..d959cd0a4aa 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -368,9 +368,6 @@ void flush_thread(void) /* Clear FPU register state. */ t->fpsaved[0] = 0; - - if (get_thread_current_ds() != ASI_AIUS) - set_fs(USER_DS); } /* It's a bit more tricky when 64-bit tasks are involved... */ diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index d26e1f6c717..3e3e2914c70 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -137,7 +137,7 @@ static void __init process_switch(char c) prom_halt(); break; case 'p': - /* Just ignore, this behavior is now the default. */ + prom_early_console.flags &= ~CON_BOOT; break; default: printk("Unknown boot switch (-%c)\n", c); diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 3c5bb784214..c965595aa7e 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -106,7 +106,7 @@ static void __init process_switch(char c) prom_halt(); break; case 'p': - /* Just ignore, this behavior is now the default. */ + prom_early_console.flags &= ~CON_BOOT; break; case 'P': /* Force UltraSPARC-III P-Cache on. */ @@ -425,10 +425,14 @@ static void __init init_sparc64_elf_hwcap(void) else if (tlb_type == hypervisor) { if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= HWCAP_SPARC_BLKINIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= HWCAP_SPARC_N2; } @@ -452,11 +456,15 @@ static void __init init_sparc64_elf_hwcap(void) if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1) cap |= AV_SPARC_ASI_BLK_INIT; if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 | AV_SPARC_ASI_BLK_INIT | AV_SPARC_POPC); - if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3) + if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || + sun4v_chip_type == SUN4V_CHIP_NIAGARA5) cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC | AV_SPARC_FMAF); } diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 581531dbc8b..8e073d80213 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -511,6 +511,11 @@ static void __init read_obp_translations(void) for (i = 0; i < prom_trans_ents; i++) prom_trans[i].data &= ~0x0003fe0000000000UL; } + + /* Force execute bit on. */ + for (i = 0; i < prom_trans_ents; i++) + prom_trans[i].data |= (tlb_type == hypervisor ? + _PAGE_EXEC_4V : _PAGE_EXEC_4U); } static void __init hypervisor_tlb_lock(unsigned long vaddr, diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 3f2ad2640d8..ccdbc16b894 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -42,8 +42,11 @@ int mach_set_rtc_mmss(unsigned long nowtime) { int real_seconds, real_minutes, cmos_minutes; unsigned char save_control, save_freq_select; + unsigned long flags; int retval = 0; + spin_lock_irqsave(&rtc_lock, flags); + /* tell the clock it's being set */ save_control = CMOS_READ(RTC_CONTROL); CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); @@ -93,12 +96,17 @@ int mach_set_rtc_mmss(unsigned long nowtime) CMOS_WRITE(save_control, RTC_CONTROL); CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); + spin_unlock_irqrestore(&rtc_lock, flags); + return retval; } unsigned long mach_get_cmos_time(void) { unsigned int status, year, mon, day, hour, min, sec, century = 0; + unsigned long flags; + + spin_lock_irqsave(&rtc_lock, flags); /* * If UIP is clear, then we have >= 244 microseconds before @@ -125,6 +133,8 @@ unsigned long mach_get_cmos_time(void) status = CMOS_READ(RTC_CONTROL); WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY)); + spin_unlock_irqrestore(&rtc_lock, flags); + if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) { sec = bcd2bin(sec); min = bcd2bin(min); @@ -169,24 +179,15 @@ EXPORT_SYMBOL(rtc_cmos_write); int update_persistent_clock(struct timespec now) { - unsigned long flags; - int retval; - - spin_lock_irqsave(&rtc_lock, flags); - retval = x86_platform.set_wallclock(now.tv_sec); - spin_unlock_irqrestore(&rtc_lock, flags); - - return retval; + return x86_platform.set_wallclock(now.tv_sec); } /* not static: needed by APM */ void read_persistent_clock(struct timespec *ts) { - unsigned long retval, flags; + unsigned long retval; - spin_lock_irqsave(&rtc_lock, flags); retval = x86_platform.get_wallclock(); - spin_unlock_irqrestore(&rtc_lock, flags); ts->tv_sec = retval; ts->tv_nsec = 0; diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c index 73d70d65e76..6d5dbcdd444 100644 --- a/arch/x86/platform/mrst/vrtc.c +++ b/arch/x86/platform/mrst/vrtc.c @@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write); unsigned long vrtc_get_time(void) { u8 sec, min, hour, mday, mon; + unsigned long flags; u32 year; + spin_lock_irqsave(&rtc_lock, flags); + while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP)) cpu_relax(); @@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void) mon = vrtc_cmos_read(RTC_MONTH); year = vrtc_cmos_read(RTC_YEAR); + spin_unlock_irqrestore(&rtc_lock, flags); + /* vRTC YEAR reg contains the offset to 1960 */ year += 1960; @@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void) int vrtc_set_mmss(unsigned long nowtime) { int real_sec, real_min; + unsigned long flags; int vrtc_min; + spin_lock_irqsave(&rtc_lock, flags); vrtc_min = vrtc_cmos_read(RTC_MINUTES); real_sec = nowtime % 60; @@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime) vrtc_cmos_write(real_sec, RTC_SECONDS); vrtc_cmos_write(real_min, RTC_MINUTES); + spin_unlock_irqrestore(&rtc_lock, flags); + return 0; } diff --git a/block/blk-core.c b/block/blk-core.c index b2ed78afd9f..d34433ae791 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -348,9 +348,10 @@ void blk_put_queue(struct request_queue *q) EXPORT_SYMBOL(blk_put_queue); /* - * Note: If a driver supplied the queue lock, it should not zap that lock - * unexpectedly as some queue cleanup components like elevator_exit() and - * blk_throtl_exit() need queue lock. + * Note: If a driver supplied the queue lock, it is disconnected + * by this function. The actual state of the lock doesn't matter + * here as the request_queue isn't accessible after this point + * (QUEUE_FLAG_DEAD is set) and no other requests will be queued. */ void blk_cleanup_queue(struct request_queue *q) { @@ -367,10 +368,8 @@ void blk_cleanup_queue(struct request_queue *q) queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q); mutex_unlock(&q->sysfs_lock); - if (q->elevator) - elevator_exit(q->elevator); - - blk_throtl_exit(q); + if (q->queue_lock != &q->__queue_lock) + q->queue_lock = &q->__queue_lock; blk_put_queue(q); } diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index e681805cdb4..60fda88c57f 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -479,6 +479,11 @@ static void blk_release_queue(struct kobject *kobj) blk_sync_queue(q); + if (q->elevator) + elevator_exit(q->elevator); + + blk_throtl_exit(q); + if (rl->rq_pool) mempool_destroy(rl->rq_pool); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ce045a8cf82..f07e4252b70 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -67,11 +67,11 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); MODULE_PARM_DESC(i915_enable_rc6, "Enable power-saving render C-state 6 (default: true)"); -unsigned int i915_enable_fbc __read_mostly = 1; +unsigned int i915_enable_fbc __read_mostly = -1; module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); MODULE_PARM_DESC(i915_enable_fbc, "Enable frame buffer compression for power savings " - "(default: false)"); + "(default: -1 (use per-chip default))"); unsigned int i915_lvds_downclock __read_mostly = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 56a8554d903..04411ad2e77 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1799,6 +1799,7 @@ static void intel_update_fbc(struct drm_device *dev) struct drm_framebuffer *fb; struct intel_framebuffer *intel_fb; struct drm_i915_gem_object *obj; + int enable_fbc; DRM_DEBUG_KMS("\n"); @@ -1839,8 +1840,15 @@ static void intel_update_fbc(struct drm_device *dev) intel_fb = to_intel_framebuffer(fb); obj = intel_fb->obj; - if (!i915_enable_fbc) { - DRM_DEBUG_KMS("fbc disabled per module param (default off)\n"); + enable_fbc = i915_enable_fbc; + if (enable_fbc < 0) { + DRM_DEBUG_KMS("fbc set to per-chip default\n"); + enable_fbc = 1; + if (INTEL_INFO(dev)->gen <= 5) + enable_fbc = 0; + } + if (!enable_fbc) { + DRM_DEBUG_KMS("fbc disabled per module param\n"); dev_priv->no_fbc_reason = FBC_MODULE_PARAM; goto out_disable; } @@ -4687,13 +4695,13 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, bpc = 6; /* min is 18bpp */ break; case 24: - bpc = min((unsigned int)8, display_bpc); + bpc = 8; break; case 30: - bpc = min((unsigned int)10, display_bpc); + bpc = 10; break; case 48: - bpc = min((unsigned int)12, display_bpc); + bpc = 12; break; default: DRM_DEBUG("unsupported depth, assuming 24 bits\n"); @@ -4701,10 +4709,12 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, break; } + display_bpc = min(display_bpc, bpc); + DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n", bpc, display_bpc); - *pipe_bpp = bpc * 3; + *pipe_bpp = display_bpc * 3; return display_bpc != bpc; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 0b2ee9d3998..fe1099d8817 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -337,9 +337,6 @@ extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, struct drm_connector *connector, struct intel_load_detect_pipe *old); -extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); -extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); -extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); extern void intelfb_restore(void); extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 30fe554d893..6348c499616 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -92,6 +92,11 @@ struct intel_sdvo { */ uint16_t attached_output; + /* + * Hotplug activation bits for this device + */ + uint8_t hotplug_active[2]; + /** * This is used to select the color range of RBG outputs in HDMI mode. * It is only valid when using TMDS encoding and 8 bit per color mode. @@ -1208,74 +1213,20 @@ static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct in return true; } -/* No use! */ -#if 0 -struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB) -{ - struct drm_connector *connector = NULL; - struct intel_sdvo *iout = NULL; - struct intel_sdvo *sdvo; - - /* find the sdvo connector */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - iout = to_intel_sdvo(connector); - - if (iout->type != INTEL_OUTPUT_SDVO) - continue; - - sdvo = iout->dev_priv; - - if (sdvo->sdvo_reg == SDVOB && sdvoB) - return connector; - - if (sdvo->sdvo_reg == SDVOC && !sdvoB) - return connector; - - } - - return NULL; -} - -int intel_sdvo_supports_hotplug(struct drm_connector *connector) +static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo) { u8 response[2]; - u8 status; - struct intel_sdvo *intel_sdvo; - DRM_DEBUG_KMS("\n"); - - if (!connector) - return 0; - - intel_sdvo = to_intel_sdvo(connector); return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, &response, 2) && response[0]; } -void intel_sdvo_set_hotplug(struct drm_connector *connector, int on) +static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder) { - u8 response[2]; - u8 status; - struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector); - - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); - intel_sdvo_read_response(intel_sdvo, &response, 2); - - if (on) { - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0); - status = intel_sdvo_read_response(intel_sdvo, &response, 2); - - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); - } else { - response[0] = 0; - response[1] = 0; - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); - } + struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base); - intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); - intel_sdvo_read_response(intel_sdvo, &response, 2); + intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2); } -#endif static bool intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo) @@ -2045,6 +1996,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) { struct drm_encoder *encoder = &intel_sdvo->base.base; struct drm_connector *connector; + struct intel_encoder *intel_encoder = to_intel_encoder(encoder); struct intel_connector *intel_connector; struct intel_sdvo_connector *intel_sdvo_connector; @@ -2062,7 +2014,17 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) intel_connector = &intel_sdvo_connector->base; connector = &intel_connector->base; - connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; + if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) { + connector->polled = DRM_CONNECTOR_POLL_HPD; + intel_sdvo->hotplug_active[0] |= 1 << device; + /* Some SDVO devices have one-shot hotplug interrupts. + * Ensure that they get re-enabled when an interrupt happens. + */ + intel_encoder->hot_plug = intel_sdvo_enable_hotplug; + intel_sdvo_enable_hotplug(intel_encoder); + } + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; encoder->encoder_type = DRM_MODE_ENCODER_TMDS; connector->connector_type = DRM_MODE_CONNECTOR_DVID; @@ -2569,6 +2531,14 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) goto err; + /* Set up hotplug command - note paranoia about contents of reply. + * We assume that the hardware is in a sane state, and only touch + * the bits we think we understand. + */ + intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, + &intel_sdvo->hotplug_active, 2); + intel_sdvo->hotplug_active[0] &= ~0x3; + if (intel_sdvo_output_setup(intel_sdvo, intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n", diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 274798068a5..16f69be820c 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -435,7 +435,12 @@ static int idedisk_prep_fn(struct request_queue *q, struct request *rq) if (!(rq->cmd_flags & REQ_FLUSH)) return BLKPREP_OK; - cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (rq->special) { + cmd = rq->special; + memset(cmd, 0, sizeof(*cmd)); + } else { + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + } /* FIXME: map struct ide_taskfile on rq->cmd[] */ BUG_ON(cmd == NULL); diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 17bf9d95463..6cd642aaa4d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -287,7 +287,7 @@ void __free_ep(struct kref *kref) if (test_bit(RELEASE_RESOURCES, &ep->com.flags)) { cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid); dst_release(ep->dst); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); } kfree(ep); } @@ -1178,7 +1178,7 @@ static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) release_tid(ep->com.tdev, GET_TID(rpl), NULL); cxgb3_free_atid(ep->com.tdev, ep->atid); dst_release(ep->dst); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); put_ep(&ep->com); return CPL_RET_BUF_DONE; } @@ -1377,7 +1377,7 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) if (!child_ep) { printk(KERN_ERR MOD "%s - failed to allocate ep entry!\n", __func__); - l2t_release(L2DATA(tdev), l2t); + l2t_release(tdev, l2t); dst_release(dst); goto reject; } @@ -1956,7 +1956,7 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) if (!err) goto out; - l2t_release(L2DATA(h->rdev.t3cdev_p), ep->l2t); + l2t_release(h->rdev.t3cdev_p, ep->l2t); fail4: dst_release(ep->dst); fail3: @@ -2127,7 +2127,7 @@ int iwch_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new, PDBG("%s ep %p redirect to dst %p l2t %p\n", __func__, ep, new, l2t); dst_hold(new); - l2t_release(L2DATA(ep->com.tdev), ep->l2t); + l2t_release(ep->com.tdev, ep->l2t); ep->l2t = l2t; dst_release(old); ep->dst = new; diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c index b5ef3622244..b3a5ecdb33a 100644 --- a/drivers/media/video/omap/omap_vout.c +++ b/drivers/media/video/omap/omap_vout.c @@ -2194,19 +2194,6 @@ static int __init omap_vout_probe(struct platform_device *pdev) "'%s' Display already enabled\n", def_display->name); } - /* set the update mode */ - if (def_display->caps & - OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { - if (dssdrv->enable_te) - dssdrv->enable_te(def_display, 0); - if (dssdrv->set_update_mode) - dssdrv->set_update_mode(def_display, - OMAP_DSS_UPDATE_MANUAL); - } else { - if (dssdrv->set_update_mode) - dssdrv->set_update_mode(def_display, - OMAP_DSS_UPDATE_AUTO); - } } } diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c index 9d3459de04b..80796eb0c53 100644 --- a/drivers/media/video/omap3isp/ispccdc.c +++ b/drivers/media/video/omap3isp/ispccdc.c @@ -31,6 +31,7 @@ #include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/sched.h> +#include <linux/slab.h> #include <media/v4l2-event.h> #include "isp.h" diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index d29f9c2d085..e4100b1f68d 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1961,7 +1961,7 @@ static int __uvc_resume(struct usb_interface *intf, int reset) list_for_each_entry(stream, &dev->streams, list) { if (stream->intf == intf) - return uvc_video_resume(stream); + return uvc_video_resume(stream, reset); } uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface " diff --git a/drivers/media/video/uvc/uvc_entity.c b/drivers/media/video/uvc/uvc_entity.c index 48fea373c25..29e239911d0 100644 --- a/drivers/media/video/uvc/uvc_entity.c +++ b/drivers/media/video/uvc/uvc_entity.c @@ -49,7 +49,7 @@ static int uvc_mc_register_entity(struct uvc_video_chain *chain, if (remote == NULL) return -EINVAL; - source = (UVC_ENTITY_TYPE(remote) != UVC_TT_STREAMING) + source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING) ? (remote->vdev ? &remote->vdev->entity : NULL) : &remote->subdev.entity; if (source == NULL) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 8244167c891..ffd1158628b 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -1104,10 +1104,18 @@ int uvc_video_suspend(struct uvc_streaming *stream) * buffers, making sure userspace applications are notified of the problem * instead of waiting forever. */ -int uvc_video_resume(struct uvc_streaming *stream) +int uvc_video_resume(struct uvc_streaming *stream, int reset) { int ret; + /* If the bus has been reset on resume, set the alternate setting to 0. + * This should be the default value, but some devices crash or otherwise + * misbehave if they don't receive a SET_INTERFACE request before any + * other video control request. + */ + if (reset) + usb_set_interface(stream->dev->udev, stream->intfnum, 0); + stream->frozen = 0; ret = uvc_commit_video(stream, &stream->ctrl); diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index df32a43ca86..cbdd49bf8b6 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -638,7 +638,7 @@ extern void uvc_mc_cleanup_entity(struct uvc_entity *entity); /* Video */ extern int uvc_video_init(struct uvc_streaming *stream); extern int uvc_video_suspend(struct uvc_streaming *stream); -extern int uvc_video_resume(struct uvc_streaming *stream); +extern int uvc_video_resume(struct uvc_streaming *stream, int reset); extern int uvc_video_enable(struct uvc_streaming *stream, int enable); extern int uvc_probe_video(struct uvc_streaming *stream, struct uvc_streaming_control *probe); diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 06f14008b34..d7215651772 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -173,6 +173,17 @@ static void v4l2_device_release(struct device *cd) media_device_unregister_entity(&vdev->entity); #endif + /* Do not call v4l2_device_put if there is no release callback set. + * Drivers that have no v4l2_device release callback might free the + * v4l2_dev instance in the video_device release callback below, so we + * must perform this check here. + * + * TODO: In the long run all drivers that use v4l2_device should use the + * v4l2_device release callback. This check will then be unnecessary. + */ + if (v4l2_dev->release == NULL) + v4l2_dev = NULL; + /* Release video_device and perform other cleanups as needed. */ vdev->release(vdev); diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index c72856c4143..e6a2c3b302d 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -38,6 +38,7 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) mutex_init(&v4l2_dev->ioctl_lock); v4l2_prio_init(&v4l2_dev->prio); kref_init(&v4l2_dev->ref); + get_device(dev); v4l2_dev->dev = dev; if (dev == NULL) { /* If dev == NULL, then name must be filled in by the caller */ @@ -93,6 +94,7 @@ void v4l2_device_disconnect(struct v4l2_device *v4l2_dev) if (dev_get_drvdata(v4l2_dev->dev) == v4l2_dev) dev_set_drvdata(v4l2_dev->dev, NULL); + put_device(v4l2_dev->dev); v4l2_dev->dev = NULL; } EXPORT_SYMBOL_GPL(v4l2_device_disconnect); diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 21131c7b0f1..563654c9b19 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -273,7 +273,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev) ct->regs.ack = JZ_REG_ADC_STATUS; ct->chip.irq_mask = irq_gc_mask_set_bit; ct->chip.irq_unmask = irq_gc_mask_clr_bit; - ct->chip.irq_ack = irq_gc_ack; + ct->chip.irq_ack = irq_gc_ack_set_bit; irq_setup_generic_chip(gc, IRQ_MSK(5), 0, 0, IRQ_NOPROBE | IRQ_LEVEL); diff --git a/drivers/net/bnx2x/bnx2x_dcb.c b/drivers/net/bnx2x/bnx2x_dcb.c index a1e004a82f7..0b4acf67e0c 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.c +++ b/drivers/net/bnx2x/bnx2x_dcb.c @@ -2120,6 +2120,7 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) break; case DCB_CAP_ATTR_DCBX: *cap = BNX2X_DCBX_CAPS; + break; default: rval = -EINVAL; break; diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index c027e9341a1..15f800085bb 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -4943,7 +4943,7 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) int igu_seg_id; int port = BP_PORT(bp); int func = BP_FUNC(bp); - int reg_offset; + int reg_offset, reg_offset_en5; u64 section; int index; struct hc_sp_status_block_data sp_sb_data; @@ -4966,6 +4966,8 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 : + MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0); for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { int sindex; /* take care of sig[0]..sig[4] */ @@ -4980,7 +4982,7 @@ static void bnx2x_init_def_sb(struct bnx2x *bp) * and not 16 between the different groups */ bp->attn_group[index].sig[4] = REG_RD(bp, - reg_offset + 0x10 + 0x4*index); + reg_offset_en5 + 0x4*index); else bp->attn_group[index].sig[4] = 0; } @@ -7625,8 +7627,11 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; u8 *mac_addr = bp->dev->dev_addr; u32 val; + u16 pmc; + /* The mac address is written to entries 1-4 to - preserve entry 0 which is used by the PMF */ + * preserve entry 0 which is used by the PMF + */ u8 entry = (BP_VN(bp) + 1)*8; val = (mac_addr[0] << 8) | mac_addr[1]; @@ -7636,6 +7641,11 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) (mac_addr[4] << 8) | mac_addr[5]; EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); + /* Enable the PME and clear the status */ + pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc); + pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS; + pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc); + reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; } else diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index 750e8445dac..fc7bd0f23c0 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -1384,6 +1384,18 @@ Latched ump_tx_parity; [31] MCP Latched scpad_parity; */ #define MISC_REG_AEU_ENABLE4_PXP_0 0xa108 #define MISC_REG_AEU_ENABLE4_PXP_1 0xa1a8 +/* [RW 32] fifth 32b for enabling the output for function 0 output0. Mapped + * as follows: [0] PGLUE config_space; [1] PGLUE misc_flr; [2] PGLUE B RBC + * attention [3] PGLUE B RBC parity; [4] ATC attention; [5] ATC parity; [6] + * mstat0 attention; [7] mstat0 parity; [8] mstat1 attention; [9] mstat1 + * parity; [31-10] Reserved; */ +#define MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0 0xa688 +/* [RW 32] Fifth 32b for enabling the output for function 1 output0. Mapped + * as follows: [0] PGLUE config_space; [1] PGLUE misc_flr; [2] PGLUE B RBC + * attention [3] PGLUE B RBC parity; [4] ATC attention; [5] ATC parity; [6] + * mstat0 attention; [7] mstat0 parity; [8] mstat1 attention; [9] mstat1 + * parity; [31-10] Reserved; */ +#define MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 0xa6b0 /* [RW 1] set/clr general attention 0; this will set/clr bit 94 in the aeu 128 bit vector */ #define MISC_REG_AEU_GENERAL_ATTN_0 0xa000 diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 805076c54f1..da5a5d9b8af 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -1146,12 +1146,14 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new) if (te && te->ctx && te->client && te->client->redirect) { update_tcb = te->client->redirect(te->ctx, old, new, e); if (update_tcb) { + rcu_read_lock(); l2t_hold(L2DATA(tdev), e); + rcu_read_unlock(); set_l2t_ix(tdev, tid, e); } } } - l2t_release(L2DATA(tdev), e); + l2t_release(tdev, e); } /* @@ -1264,7 +1266,7 @@ int cxgb3_offload_activate(struct adapter *adapter) goto out_free; err = -ENOMEM; - L2DATA(dev) = t3_init_l2t(l2t_capacity); + RCU_INIT_POINTER(dev->l2opt, t3_init_l2t(l2t_capacity)); if (!L2DATA(dev)) goto out_free; @@ -1298,16 +1300,24 @@ int cxgb3_offload_activate(struct adapter *adapter) out_free_l2t: t3_free_l2t(L2DATA(dev)); - L2DATA(dev) = NULL; + rcu_assign_pointer(dev->l2opt, NULL); out_free: kfree(t); return err; } +static void clean_l2_data(struct rcu_head *head) +{ + struct l2t_data *d = container_of(head, struct l2t_data, rcu_head); + t3_free_l2t(d); +} + + void cxgb3_offload_deactivate(struct adapter *adapter) { struct t3cdev *tdev = &adapter->tdev; struct t3c_data *t = T3C_DATA(tdev); + struct l2t_data *d; remove_adapter(adapter); if (list_empty(&adapter_list)) @@ -1315,8 +1325,11 @@ void cxgb3_offload_deactivate(struct adapter *adapter) free_tid_maps(&t->tid_maps); T3C_DATA(tdev) = NULL; - t3_free_l2t(L2DATA(tdev)); - L2DATA(tdev) = NULL; + rcu_read_lock(); + d = L2DATA(tdev); + rcu_read_unlock(); + rcu_assign_pointer(tdev->l2opt, NULL); + call_rcu(&d->rcu_head, clean_l2_data); if (t->nofail_skb) kfree_skb(t->nofail_skb); kfree(t); diff --git a/drivers/net/cxgb3/l2t.c b/drivers/net/cxgb3/l2t.c index f452c400325..41540978a17 100644 --- a/drivers/net/cxgb3/l2t.c +++ b/drivers/net/cxgb3/l2t.c @@ -300,14 +300,21 @@ static inline void reuse_entry(struct l2t_entry *e, struct neighbour *neigh) struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh, struct net_device *dev) { - struct l2t_entry *e; - struct l2t_data *d = L2DATA(cdev); + struct l2t_entry *e = NULL; + struct l2t_data *d; + int hash; u32 addr = *(u32 *) neigh->primary_key; int ifidx = neigh->dev->ifindex; - int hash = arp_hash(addr, ifidx, d); struct port_info *p = netdev_priv(dev); int smt_idx = p->port_id; + rcu_read_lock(); + d = L2DATA(cdev); + if (!d) + goto done_rcu; + + hash = arp_hash(addr, ifidx, d); + write_lock_bh(&d->lock); for (e = d->l2tab[hash].first; e; e = e->next) if (e->addr == addr && e->ifindex == ifidx && @@ -338,6 +345,8 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh, } done: write_unlock_bh(&d->lock); +done_rcu: + rcu_read_unlock(); return e; } diff --git a/drivers/net/cxgb3/l2t.h b/drivers/net/cxgb3/l2t.h index 7a12d52ed4f..c5f54796e2c 100644 --- a/drivers/net/cxgb3/l2t.h +++ b/drivers/net/cxgb3/l2t.h @@ -76,6 +76,7 @@ struct l2t_data { atomic_t nfree; /* number of free entries */ rwlock_t lock; struct l2t_entry l2tab[0]; + struct rcu_head rcu_head; /* to handle rcu cleanup */ }; typedef void (*arp_failure_handler_func)(struct t3cdev * dev, @@ -99,7 +100,7 @@ static inline void set_arp_failure_handler(struct sk_buff *skb, /* * Getting to the L2 data from an offload device. */ -#define L2DATA(dev) ((dev)->l2opt) +#define L2DATA(cdev) (rcu_dereference((cdev)->l2opt)) #define W_TCB_L2T_IX 0 #define S_TCB_L2T_IX 7 @@ -126,15 +127,22 @@ static inline int l2t_send(struct t3cdev *dev, struct sk_buff *skb, return t3_l2t_send_slow(dev, skb, e); } -static inline void l2t_release(struct l2t_data *d, struct l2t_entry *e) +static inline void l2t_release(struct t3cdev *t, struct l2t_entry *e) { - if (atomic_dec_and_test(&e->refcnt)) + struct l2t_data *d; + + rcu_read_lock(); + d = L2DATA(t); + + if (atomic_dec_and_test(&e->refcnt) && d) t3_l2e_free(d, e); + + rcu_read_unlock(); } static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e) { - if (atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */ + if (d && atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */ atomic_dec(&d->nfree); } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h index 2339728a730..3e69c631ebb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h @@ -1514,7 +1514,7 @@ static const u32 ar9300_2p2_mac_core[][2] = { {0x00008258, 0x00000000}, {0x0000825c, 0x40000000}, {0x00008260, 0x00080922}, - {0x00008264, 0x9bc00010}, + {0x00008264, 0x9d400010}, {0x00008268, 0xffffffff}, {0x0000826c, 0x0000ffff}, {0x00008270, 0x00000000}, diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 9a4850154fb..4c21f8cbdeb 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -205,14 +205,22 @@ static void ath_rx_remove_buffer(struct ath_softc *sc, static void ath_rx_edma_cleanup(struct ath_softc *sc) { + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); struct ath_buf *bf; ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_LP); ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_HP); list_for_each_entry(bf, &sc->rx.rxbuf, list) { - if (bf->bf_mpdu) + if (bf->bf_mpdu) { + dma_unmap_single(sc->dev, bf->bf_buf_addr, + common->rx_bufsize, + DMA_BIDIRECTIONAL); dev_kfree_skb_any(bf->bf_mpdu); + bf->bf_buf_addr = 0; + bf->bf_mpdu = NULL; + } } INIT_LIST_HEAD(&sc->rx.rxbuf); diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index 35cd2537e7f..e5971fe9d16 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -937,7 +937,7 @@ void iwl_legacy_irq_handle_error(struct iwl_priv *priv) &priv->contexts[IWL_RXON_CTX_BSS]); #endif - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); /* Keep the restart process from trying to send host * commands by clearing the INIT status bit */ @@ -1746,7 +1746,7 @@ int iwl_legacy_force_reset(struct iwl_priv *priv, bool external) /* Set the FW error flag -- cleared on iwl_down */ set_bit(STATUS_FW_ERROR, &priv->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); /* * Keep the restart process from trying to send host * commands by clearing the INIT status bit diff --git a/drivers/net/wireless/iwlegacy/iwl-hcmd.c b/drivers/net/wireless/iwlegacy/iwl-hcmd.c index 62b4b09122c..ce1fc9feb61 100644 --- a/drivers/net/wireless/iwlegacy/iwl-hcmd.c +++ b/drivers/net/wireless/iwlegacy/iwl-hcmd.c @@ -167,7 +167,7 @@ int iwl_legacy_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) goto out; } - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, !test_bit(STATUS_HCMD_ACTIVE, &priv->status), HOST_COMPLETE_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlegacy/iwl-tx.c b/drivers/net/wireless/iwlegacy/iwl-tx.c index 4fff995c6f3..ef9e268bf8a 100644 --- a/drivers/net/wireless/iwlegacy/iwl-tx.c +++ b/drivers/net/wireless/iwlegacy/iwl-tx.c @@ -625,6 +625,8 @@ iwl_legacy_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; + txq->time_stamp = jiffies; + pci_unmap_single(priv->pci_dev, dma_unmap_addr(meta, mapping), dma_unmap_len(meta, len), @@ -645,7 +647,7 @@ iwl_legacy_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) clear_bit(STATUS_HCMD_ACTIVE, &priv->status); IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s\n", iwl_legacy_get_cmd_string(cmd->hdr.cmd)); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /* Mark as unmapped */ diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index 795826a014e..66ee15629a7 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -841,7 +841,7 @@ static void iwl3945_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /** @@ -2269,7 +2269,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv) iwl3945_reg_txpower_periodic(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); return; @@ -2300,7 +2300,7 @@ static void __iwl3945_down(struct iwl_priv *priv) iwl_legacy_clear_driver_stations(priv); /* Unblock any waiting calls */ - wake_up_interruptible_all(&priv->wait_command_queue); + wake_up_all(&priv->wait_command_queue); /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ @@ -2853,7 +2853,7 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw) /* Wait for START_ALIVE from ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, test_bit(STATUS_READY, &priv->status), UCODE_READY_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c index 14334668034..aa0c2539761 100644 --- a/drivers/net/wireless/iwlegacy/iwl4965-base.c +++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c @@ -576,7 +576,7 @@ static void iwl4965_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } /** @@ -926,7 +926,7 @@ static void iwl4965_irq_tasklet(struct iwl_priv *priv) handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); } if (inta & ~handled) { @@ -1795,7 +1795,7 @@ static void iwl4965_alive_start(struct iwl_priv *priv) iwl4965_rf_kill_ct_config(priv); IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->wait_command_queue); iwl_legacy_power_update_mode(priv, true); IWL_DEBUG_INFO(priv, "Updated power mode\n"); @@ -1828,7 +1828,7 @@ static void __iwl4965_down(struct iwl_priv *priv) iwl_legacy_clear_driver_stations(priv); /* Unblock any waiting calls */ - wake_up_interruptible_all(&priv->wait_command_queue); + wake_up_all(&priv->wait_command_queue); /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ @@ -2266,7 +2266,7 @@ int iwl4965_mac_start(struct ieee80211_hw *hw) /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ - ret = wait_event_interruptible_timeout(priv->wait_command_queue, + ret = wait_event_timeout(priv->wait_command_queue, test_bit(STATUS_READY, &priv->status), UCODE_READY_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index dd6937e9705..77e528f5db8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -405,31 +405,33 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, mutex_lock(&priv->mutex); - if (test_bit(STATUS_SCANNING, &priv->status) && - priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - ret = -EAGAIN; - goto out_unlock; - } - - /* mac80211 will only ask for one band at a time */ - priv->scan_request = req; - priv->scan_vif = vif; - /* * If an internal scan is in progress, just set * up the scan_request as per above. */ if (priv->scan_type != IWL_SCAN_NORMAL) { - IWL_DEBUG_SCAN(priv, "SCAN request during internal scan\n"); + IWL_DEBUG_SCAN(priv, + "SCAN request during internal scan - defer\n"); + priv->scan_request = req; + priv->scan_vif = vif; ret = 0; - } else + } else { + priv->scan_request = req; + priv->scan_vif = vif; + /* + * mac80211 will only ask for one band at a time + * so using channels[0] here is ok + */ ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL, req->channels[0]->band); + if (ret) { + priv->scan_request = NULL; + priv->scan_vif = NULL; + } + } IWL_DEBUG_MAC80211(priv, "leave\n"); -out_unlock: mutex_unlock(&priv->mutex); return ret; diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 8b1cef0ffde..4bf3cf457ef 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -863,6 +863,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb, u8 tid = 0; u16 seq_number = 0; + memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); if (ieee80211_is_auth(fc)) { RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n")); rtl_ips_nic_on(hw); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index cbde448f994..eb3140ee821 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -654,8 +654,8 @@ static struct io_subchannel_private console_priv; static int console_subchannel_in_use; /* - * Use tpi to get a pending interrupt, call the interrupt handler and - * return a pointer to the subchannel structure. + * Use cio_tpi to get a pending interrupt and call the interrupt handler. + * Return non-zero if an interrupt was processed, zero otherwise. */ static int cio_tpi(void) { @@ -667,6 +667,10 @@ static int cio_tpi(void) tpi_info = (struct tpi_info *)&S390_lowcore.subchannel_id; if (tpi(NULL) != 1) return 0; + if (tpi_info->adapter_IO) { + do_adapter_IO(tpi_info->isc); + return 1; + } irb = (struct irb *)&S390_lowcore.irb; /* Store interrupt response block to lowcore. */ if (tsch(tpi_info->schid, irb) != 0) diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index b7bd5b0cc7a..3868ab2397c 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1800,10 +1800,12 @@ static int twa_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_ switch (retval) { case SCSI_MLQUEUE_HOST_BUSY: twa_free_request_id(tw_dev, request_id); + twa_unmap_scsi_data(tw_dev, request_id); break; case 1: tw_dev->state[request_id] = TW_S_COMPLETED; twa_free_request_id(tw_dev, request_id); + twa_unmap_scsi_data(tw_dev, request_id); SCpnt->result = (DID_ERROR << 16); done(SCpnt); retval = 0; diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 3c08f5352b2..6153a66a8a3 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -88,7 +88,7 @@ obj-$(CONFIG_SCSI_QLOGIC_FAS) += qlogicfas408.o qlogicfas.o obj-$(CONFIG_PCMCIA_QLOGIC) += qlogicfas408.o obj-$(CONFIG_SCSI_QLOGIC_1280) += qla1280.o obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx/ -obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx/ +obj-$(CONFIG_SCSI_QLA_ISCSI) += libiscsi.o qla4xxx/ obj-$(CONFIG_SCSI_LPFC) += lpfc/ obj-$(CONFIG_SCSI_BFA_FC) += bfa/ obj-$(CONFIG_SCSI_PAS16) += pas16.o diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e7d0d47b918..e5f2d7d9002 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1283,6 +1283,8 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) kfree(aac->queues); aac->queues = NULL; free_irq(aac->pdev->irq, aac); + if (aac->msi) + pci_disable_msi(aac->pdev); kfree(aac->fsa_dev); aac->fsa_dev = NULL; quirks = aac_get_driver_ident(index)->quirks; diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index bd22041e278..f5864485033 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -913,7 +913,7 @@ static void l2t_put(struct cxgbi_sock *csk) struct t3cdev *t3dev = (struct t3cdev *)csk->cdev->lldev; if (csk->l2t) { - l2t_release(L2DATA(t3dev), csk->l2t); + l2t_release(t3dev, csk->l2t); csk->l2t = NULL; cxgbi_sock_put(csk); } diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index f84084bba2f..c9e3dc024bc 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1721,7 +1721,7 @@ static int sas_find_bcast_dev(struct domain_device *dev, list_for_each_entry(ch, &ex->children, siblings) { if (ch->dev_type == EDGE_DEV || ch->dev_type == FANOUT_DEV) { res = sas_find_bcast_dev(ch, src_dev); - if (src_dev) + if (*src_dev) return res; } } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a381cd22f51..e4e57d59edb 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1036,11 +1036,13 @@ out: * on error we return an unlocked page and the error value * on success we return a locked page and 0 */ -static int prepare_uptodate_page(struct page *page, u64 pos) +static int prepare_uptodate_page(struct page *page, u64 pos, + bool force_uptodate) { int ret = 0; - if ((pos & (PAGE_CACHE_SIZE - 1)) && !PageUptodate(page)) { + if (((pos & (PAGE_CACHE_SIZE - 1)) || force_uptodate) && + !PageUptodate(page)) { ret = btrfs_readpage(NULL, page); if (ret) return ret; @@ -1061,7 +1063,7 @@ static int prepare_uptodate_page(struct page *page, u64 pos) static noinline int prepare_pages(struct btrfs_root *root, struct file *file, struct page **pages, size_t num_pages, loff_t pos, unsigned long first_index, - size_t write_bytes) + size_t write_bytes, bool force_uptodate) { struct extent_state *cached_state = NULL; int i; @@ -1086,10 +1088,11 @@ again: } if (i == 0) - err = prepare_uptodate_page(pages[i], pos); + err = prepare_uptodate_page(pages[i], pos, + force_uptodate); if (i == num_pages - 1) err = prepare_uptodate_page(pages[i], - pos + write_bytes); + pos + write_bytes, false); if (err) { page_cache_release(pages[i]); faili = i - 1; @@ -1158,6 +1161,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, size_t num_written = 0; int nrptrs; int ret = 0; + bool force_page_uptodate = false; nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE, PAGE_CACHE_SIZE / @@ -1200,7 +1204,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, * contents of pages from loop to loop */ ret = prepare_pages(root, file, pages, num_pages, - pos, first_index, write_bytes); + pos, first_index, write_bytes, + force_page_uptodate); if (ret) { btrfs_delalloc_release_space(inode, num_pages << PAGE_CACHE_SHIFT); @@ -1217,12 +1222,15 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, if (copied < write_bytes) nrptrs = 1; - if (copied == 0) + if (copied == 0) { + force_page_uptodate = true; dirty_pages = 0; - else + } else { + force_page_uptodate = false; dirty_pages = (copied + offset + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + } /* * If we had a short copy we need to release the excess delaloc diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index e807ad687a0..3ad553e8eae 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -80,6 +80,7 @@ extern void irq_domain_del(struct irq_domain *domain); #endif /* CONFIG_IRQ_DOMAIN */ #if defined(CONFIG_IRQ_DOMAIN) && defined(CONFIG_OF_IRQ) +extern struct irq_domain_ops irq_domain_simple_ops; extern void irq_domain_add_simple(struct device_node *controller, int irq_base); extern void irq_domain_generate_simple(const struct of_device_id *match, u64 phys_base, unsigned int irq_start); diff --git a/include/linux/sched.h b/include/linux/sched.h index 4ac2c0578e0..41d0237fd44 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1956,7 +1956,6 @@ static inline void disable_sched_clock_irqtime(void) {} extern unsigned long long task_sched_runtime(struct task_struct *task); -extern unsigned long long thread_group_sched_runtime(struct task_struct *task); /* sched_exec is called by processes performing an exec */ #ifdef CONFIG_SMP diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 6bca4cc0063..5f172703eb4 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -298,7 +298,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, __array(char, name, 32) __field(unsigned long, ino) __field(unsigned long, state) - __field(unsigned long, age) + __field(unsigned long, dirtied_when) __field(unsigned long, writeback_index) __field(long, nr_to_write) __field(unsigned long, wrote) @@ -309,19 +309,19 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, dev_name(inode->i_mapping->backing_dev_info->dev), 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; - __entry->age = (jiffies - inode->dirtied_when) * - 1000 / HZ; + __entry->dirtied_when = inode->dirtied_when; __entry->writeback_index = inode->i_mapping->writeback_index; __entry->nr_to_write = nr_to_write; __entry->wrote = nr_to_write - wbc->nr_to_write; ), - TP_printk("bdi %s: ino=%lu state=%s age=%lu " + TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " "index=%lu to_write=%ld wrote=%lu", __entry->name, __entry->ino, show_inode_state(__entry->state), - __entry->age, + __entry->dirtied_when, + (jiffies - __entry->dirtied_when) / HZ, __entry->writeback_index, __entry->nr_to_write, __entry->wrote diff --git a/init/main.c b/init/main.c index 2a9b88aa5e7..03b408dff82 100644 --- a/init/main.c +++ b/init/main.c @@ -381,9 +381,6 @@ static noinline void __init_refok rest_init(void) preempt_enable_no_resched(); schedule(); - /* At this point, we can enable user mode helper functionality */ - usermodehelper_enable(); - /* Call into cpu_idle with preempt disabled */ preempt_disable(); cpu_idle(); @@ -733,6 +730,7 @@ static void __init do_basic_setup(void) driver_init(); init_irq_proc(); do_ctors(); + usermodehelper_enable(); do_initcalls(); } diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index d5828da3fd3..b57a3776de4 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -29,7 +29,11 @@ void irq_domain_add(struct irq_domain *domain) */ for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) { d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq)); - if (d || d->domain) { + if (!d) { + WARN(1, "error: assigning domain to non existant irq_desc"); + return; + } + if (d->domain) { /* things are broken; just report, don't clean up */ WARN(1, "error: irq_desc already assigned to a domain"); return; diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 58f405b581e..c8008dd58ef 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -250,7 +250,7 @@ void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times) do { times->utime = cputime_add(times->utime, t->utime); times->stime = cputime_add(times->stime, t->stime); - times->sum_exec_runtime += t->se.sum_exec_runtime; + times->sum_exec_runtime += task_sched_runtime(t); } while_each_thread(tsk, t); out: rcu_read_unlock(); @@ -312,7 +312,8 @@ static int cpu_clock_sample_group(const clockid_t which_clock, cpu->cpu = cputime.utime; break; case CPUCLOCK_SCHED: - cpu->sched = thread_group_sched_runtime(p); + thread_group_cputime(p, &cputime); + cpu->sched = cputime.sum_exec_runtime; break; } return 0; diff --git a/kernel/resource.c b/kernel/resource.c index 3b3cedc5259..c8dc249da5c 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -419,6 +419,9 @@ static int __find_resource(struct resource *root, struct resource *old, else tmp.end = root->end; + if (tmp.end < tmp.start) + goto next; + resource_clip(&tmp, constraint->min, constraint->max); arch_remove_reservations(&tmp); @@ -436,8 +439,10 @@ static int __find_resource(struct resource *root, struct resource *old, return 0; } } - if (!this) + +next: if (!this || this->end == root->end) break; + if (this != old) tmp.start = this->end + 1; this = this->sibling; diff --git a/kernel/sched.c b/kernel/sched.c index ec5f472bc5b..b50b0f0c9aa 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3725,30 +3725,6 @@ unsigned long long task_sched_runtime(struct task_struct *p) } /* - * Return sum_exec_runtime for the thread group. - * In case the task is currently running, return the sum plus current's - * pending runtime that have not been accounted yet. - * - * Note that the thread group might have other running tasks as well, - * so the return value not includes other pending runtime that other - * running tasks might have. - */ -unsigned long long thread_group_sched_runtime(struct task_struct *p) -{ - struct task_cputime totals; - unsigned long flags; - struct rq *rq; - u64 ns; - - rq = task_rq_lock(p, &flags); - thread_group_cputime(p, &totals); - ns = totals.sum_exec_runtime + do_task_delta_exec(p, rq); - task_rq_unlock(rq, p, &flags); - - return ns; -} - -/* * Account user cpu time to a process. * @p: the process that the cpu time gets accounted to * @cputime: the cpu time spent in user space since the last update @@ -4372,7 +4348,7 @@ static inline void sched_submit_work(struct task_struct *tsk) blk_schedule_flush_plug(tsk); } -asmlinkage void schedule(void) +asmlinkage void __sched schedule(void) { struct task_struct *tsk = current; diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 97540f0c9e4..af1177858be 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -1050,7 +1050,7 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags) */ if (curr && unlikely(rt_task(curr)) && (curr->rt.nr_cpus_allowed < 2 || - curr->prio < p->prio) && + curr->prio <= p->prio) && (p->rt.nr_cpus_allowed > 1)) { int target = find_lowest_rq(p); @@ -1581,7 +1581,7 @@ static void task_woken_rt(struct rq *rq, struct task_struct *p) p->rt.nr_cpus_allowed > 1 && rt_task(rq->curr) && (rq->curr->rt.nr_cpus_allowed < 2 || - rq->curr->prio < p->prio)) + rq->curr->prio <= p->prio)) push_rt_tasks(rq); } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 3e2f91ffa4e..05dd35114a2 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -565,7 +565,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) struct orig_node *orig_node = NULL; int data_len = skb->len, ret; short vid = -1; - bool do_bcast = false; + bool do_bcast; if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) goto dropped; @@ -598,15 +598,15 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) tt_local_add(soft_iface, ethhdr->h_source); orig_node = transtable_search(bat_priv, ethhdr->h_dest); - if (is_multicast_ether_addr(ethhdr->h_dest) || - (orig_node && orig_node->gw_flags)) { + do_bcast = is_multicast_ether_addr(ethhdr->h_dest); + if (do_bcast || (orig_node && orig_node->gw_flags)) { ret = gw_is_target(bat_priv, skb, orig_node); if (ret < 0) goto dropped; - if (ret == 0) - do_bcast = true; + if (ret) + do_bcast = false; } /* ethernet packet should be broadcasted */ diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 132963abc26..2883ea01e68 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -232,6 +232,7 @@ void ceph_destroy_options(struct ceph_options *opt) ceph_crypto_key_destroy(opt->key); kfree(opt->key); } + kfree(opt->mon_addr); kfree(opt); } EXPORT_SYMBOL(ceph_destroy_options); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index c340e2e0765..9918e9eb276 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2307,6 +2307,7 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) m->front_max = front_len; m->front_is_vmalloc = false; m->more_to_follow = false; + m->ack_stamp = 0; m->pool = NULL; /* middle */ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 16836a7df7a..88ad8a2501b 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -217,6 +217,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, INIT_LIST_HEAD(&req->r_unsafe_item); INIT_LIST_HEAD(&req->r_linger_item); INIT_LIST_HEAD(&req->r_linger_osd); + INIT_LIST_HEAD(&req->r_req_lru_item); req->r_flags = flags; WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0); @@ -816,13 +817,10 @@ static void __register_request(struct ceph_osd_client *osdc, { req->r_tid = ++osdc->last_tid; req->r_request->hdr.tid = cpu_to_le64(req->r_tid); - INIT_LIST_HEAD(&req->r_req_lru_item); - dout("__register_request %p tid %lld\n", req, req->r_tid); __insert_request(osdc, req); ceph_osdc_get_request(req); osdc->num_requests++; - if (osdc->num_requests == 1) { dout(" first request, scheduling timeout\n"); __schedule_osd_timeout(osdc); diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index e97c3588c3e..fd863fe7693 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -339,6 +339,7 @@ static int __insert_pg_mapping(struct ceph_pg_mapping *new, struct ceph_pg_mapping *pg = NULL; int c; + dout("__insert_pg_mapping %llx %p\n", *(u64 *)&new->pgid, new); while (*p) { parent = *p; pg = rb_entry(parent, struct ceph_pg_mapping, node); @@ -366,16 +367,33 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root, while (n) { pg = rb_entry(n, struct ceph_pg_mapping, node); c = pgid_cmp(pgid, pg->pgid); - if (c < 0) + if (c < 0) { n = n->rb_left; - else if (c > 0) + } else if (c > 0) { n = n->rb_right; - else + } else { + dout("__lookup_pg_mapping %llx got %p\n", + *(u64 *)&pgid, pg); return pg; + } } return NULL; } +static int __remove_pg_mapping(struct rb_root *root, struct ceph_pg pgid) +{ + struct ceph_pg_mapping *pg = __lookup_pg_mapping(root, pgid); + + if (pg) { + dout("__remove_pg_mapping %llx %p\n", *(u64 *)&pgid, pg); + rb_erase(&pg->node, root); + kfree(pg); + return 0; + } + dout("__remove_pg_mapping %llx dne\n", *(u64 *)&pgid); + return -ENOENT; +} + /* * rbtree of pg pool info */ @@ -711,7 +729,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, void *start = *p; int err = -EINVAL; u16 version; - struct rb_node *rbp; ceph_decode_16_safe(p, end, version, bad); if (version > CEPH_OSDMAP_INC_VERSION) { @@ -861,7 +878,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } /* new_pg_temp */ - rbp = rb_first(&map->pg_temp); ceph_decode_32_safe(p, end, len, bad); while (len--) { struct ceph_pg_mapping *pg; @@ -872,18 +888,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, ceph_decode_copy(p, &pgid, sizeof(pgid)); pglen = ceph_decode_32(p); - /* remove any? */ - while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping, - node)->pgid, pgid) <= 0) { - struct ceph_pg_mapping *cur = - rb_entry(rbp, struct ceph_pg_mapping, node); - - rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); - rb_erase(&cur->node, &map->pg_temp); - kfree(cur); - } - if (pglen) { /* insert */ ceph_decode_need(p, end, pglen*sizeof(u32), bad); @@ -903,17 +907,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, } dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, pglen); + } else { + /* remove */ + __remove_pg_mapping(&map->pg_temp, pgid); } } - while (rbp) { - struct ceph_pg_mapping *cur = - rb_entry(rbp, struct ceph_pg_mapping, node); - - rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); - rb_erase(&cur->node, &map->pg_temp); - kfree(cur); - } /* ignore the rest */ *p = end; @@ -1046,10 +1044,25 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, struct ceph_pg_mapping *pg; struct ceph_pg_pool_info *pool; int ruleno; - unsigned poolid, ps, pps; + unsigned poolid, ps, pps, t; int preferred; + poolid = le32_to_cpu(pgid.pool); + ps = le16_to_cpu(pgid.ps); + preferred = (s16)le16_to_cpu(pgid.preferred); + + pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); + if (!pool) + return NULL; + /* pg_temp? */ + if (preferred >= 0) + t = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpg_num), + pool->lpgp_num_mask); + else + t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num), + pool->pgp_num_mask); + pgid.ps = cpu_to_le16(t); pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid); if (pg) { *num = pg->len; @@ -1057,18 +1070,6 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, } /* crush */ - poolid = le32_to_cpu(pgid.pool); - ps = le16_to_cpu(pgid.ps); - preferred = (s16)le16_to_cpu(pgid.preferred); - - /* don't forcefeed bad device ids to crush */ - if (preferred >= osdmap->max_osd || - preferred >= osdmap->crush->max_devices) - preferred = -1; - - pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); - if (!pool) - return NULL; ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset, pool->v.type, pool->v.size); if (ruleno < 0) { @@ -1078,6 +1079,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, return NULL; } + /* don't forcefeed bad device ids to crush */ + if (preferred >= osdmap->max_osd || + preferred >= osdmap->crush->max_devices) + preferred = -1; + if (preferred >= 0) pps = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpgp_num), diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 705c8288628..def0538e241 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct sk_buff *skb, int err; err = ip6mr_fib_lookup(net, &fl6, &mrt); - if (err < 0) + if (err < 0) { + kfree_skb(skb); return err; + } read_lock(&mrt_lock); dev->stats.tx_bytes += skb->len; @@ -2052,8 +2054,10 @@ int ip6_mr_input(struct sk_buff *skb) int err; err = ip6mr_fib_lookup(net, &fl6, &mrt); - if (err < 0) + if (err < 0) { + kfree_skb(skb); return err; + } read_lock(&mrt_lock); cache = ip6mr_cache_find(mrt, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 1250f902067..fb545edef6e 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -244,7 +244,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops, { struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags); - memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry)); + if (rt != NULL) + memset(&rt->rt6i_table, 0, + sizeof(*rt) - sizeof(struct dst_entry)); return rt; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index e83e7fee3bc..ea40d540a99 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4113,9 +4113,12 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, if (len % sizeof(u32)) return -EINVAL; + if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) + return -EINVAL; + memcpy(settings->akm_suites, data, len); - for (i = 0; i < settings->n_ciphers_pairwise; i++) + for (i = 0; i < settings->n_akm_suites; i++) if (!nl80211_valid_akm_suite(settings->akm_suites[i])) return -EINVAL; } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 94fdcc7f103..552df27dcf5 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1349,14 +1349,16 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family) BUG(); } xdst = dst_alloc(dst_ops, NULL, 0, 0, 0); - memset(&xdst->u.rt6.rt6i_table, 0, sizeof(*xdst) - sizeof(struct dst_entry)); - xfrm_policy_put_afinfo(afinfo); - if (likely(xdst)) + if (likely(xdst)) { + memset(&xdst->u.rt6.rt6i_table, 0, + sizeof(*xdst) - sizeof(struct dst_entry)); xdst->flo.ops = &xfrm_bundle_fc_ops; - else + } else xdst = ERR_PTR(-ENOBUFS); + xfrm_policy_put_afinfo(afinfo); + return xdst; } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index be6982289c0..e9a2a8795d1 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1924,7 +1924,8 @@ static unsigned int azx_via_get_position(struct azx *chip, } static unsigned int azx_get_position(struct azx *chip, - struct azx_dev *azx_dev) + struct azx_dev *azx_dev, + bool with_check) { unsigned int pos; int stream = azx_dev->substream->stream; @@ -1940,7 +1941,7 @@ static unsigned int azx_get_position(struct azx *chip, default: /* use the position buffer */ pos = le32_to_cpu(*azx_dev->posbuf); - if (chip->position_fix[stream] == POS_FIX_AUTO) { + if (with_check && chip->position_fix[stream] == POS_FIX_AUTO) { if (!pos || pos == (u32)-1) { printk(KERN_WARNING "hda-intel: Invalid position buffer, " @@ -1964,7 +1965,7 @@ static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream) struct azx *chip = apcm->chip; struct azx_dev *azx_dev = get_azx_dev(substream); return bytes_to_frames(substream->runtime, - azx_get_position(chip, azx_dev)); + azx_get_position(chip, azx_dev, false)); } /* @@ -1987,7 +1988,7 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) return -1; /* bogus (too early) interrupt */ stream = azx_dev->substream->stream; - pos = azx_get_position(chip, azx_dev); + pos = azx_get_position(chip, azx_dev, true); if (WARN_ONCE(!azx_dev->period_bytes, "hda-intel: zero azx_dev->period_bytes")) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index c5748c52318..e389815078d 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -449,6 +449,8 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_RAW) { + const u64 *pdata; + u.val64 = *array; if (WARN_ONCE(swapped, "Endianness of raw data not corrected!\n")) { @@ -462,11 +464,12 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, return -EFAULT; data->raw_size = u.val32[0]; + pdata = (void *) array + sizeof(u32); - if (sample_overlap(event, &u.val32[1], data->raw_size)) + if (sample_overlap(event, pdata, data->raw_size)) return -EFAULT; - data->raw_data = &u.val32[1]; + data->raw_data = (void *) pdata; } return 0; |