diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index d614a9b6a280..b602784b289f 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -681,7 +681,8 @@ The batch value of each per cpu pagelist is also updated as a result. It is set to pcp->high/4. The upper limit of batch is (PAGE_SHIFT * 8) The initial value is zero. Kernel does not use this value at boot time to set -the high water marks for each per cpu page list. +the high water marks for each per cpu page list. If the user writes '0' to this +sysctl, it will revert to this default behavior. ============================================================== diff --git a/Makefile b/Makefile index f1bbec5ece95..13d8f323ae43 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 14 -SUBLEVEL = 11 +SUBLEVEL = 12 EXTRAVERSION = NAME = Remembering Coco diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 48094b58c88f..b12a4f9fc9d0 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -183,8 +183,10 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition, m0_entry = mux->muxnames[0]; /* First check for full name in mode0.muxmode format */ - if (mode0_len && strncmp(muxname, m0_entry, mode0_len)) - continue; + if (mode0_len) + if (strncmp(muxname, m0_entry, mode0_len) || + (strlen(m0_entry) != mode0_len)) + continue; /* Then check for muxmode only */ for (i = 0; i < OMAP_MUX_NR_MODES; i++) { diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 39ac630d83de..a8e4bdbbb4b8 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -275,7 +275,6 @@ el1_sp_pc: * Stack or PC alignment exception handling */ mrs x0, far_el1 - mov x1, x25 mov x2, sp b do_sp_pc_abort el1_undef: diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index e4193e3adc7f..0d64089d28b5 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -79,7 +79,8 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr) return; if (!test_and_set_bit(PG_dcache_clean, &page->flags)) { - __flush_dcache_area(page_address(page), PAGE_SIZE); + __flush_dcache_area(page_address(page), + PAGE_SIZE << compound_order(page)); __flush_icache_all(); } else if (icache_is_aivivt()) { __flush_icache_all(); diff --git a/arch/unicore32/mm/alignment.c b/arch/unicore32/mm/alignment.c index de7dc5fdd58b..24e836023e6c 100644 --- a/arch/unicore32/mm/alignment.c +++ b/arch/unicore32/mm/alignment.c @@ -21,6 +21,7 @@ #include #include +#include #include #include diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index fdf83afbb7d9..3092300a07cd 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -99,7 +99,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 80 #define KVM_NR_FIXED_MTRR_REGION 88 -#define KVM_NR_VAR_MTRR 8 +#define KVM_NR_VAR_MTRR 10 #define ASYNC_PF_PER_VCPU 64 @@ -462,7 +462,7 @@ struct kvm_vcpu_arch { bool nmi_injected; /* Trying to inject an NMI this entry */ struct mtrr_state_type mtrr_state; - u32 pat; + u64 pat; int switch_db_regs; unsigned long db[KVM_NR_DB_REGS]; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ee0c3b554a38..8fbd1a772272 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1866,7 +1866,7 @@ static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data) if (!(data & HV_X64_MSR_TSC_REFERENCE_ENABLE)) break; gfn = data >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT; - if (kvm_write_guest(kvm, data, + if (kvm_write_guest(kvm, gfn << HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT, &tsc_ref, sizeof(tsc_ref))) return 1; mark_page_dirty(kvm, gfn); diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 4e491d9b5292..dd0dd2d4ceca 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -80,7 +80,7 @@ static struct blkcg_gq *blkg_alloc(struct blkcg *blkcg, struct request_queue *q, blkg->q = q; INIT_LIST_HEAD(&blkg->q_node); blkg->blkcg = blkcg; - blkg->refcnt = 1; + atomic_set(&blkg->refcnt, 1); /* root blkg uses @q->root_rl, init rl only for !root blkgs */ if (blkcg != &blkcg_root) { @@ -399,11 +399,8 @@ void __blkg_release_rcu(struct rcu_head *rcu_head) /* release the blkcg and parent blkg refs this blkg has been holding */ css_put(&blkg->blkcg->css); - if (blkg->parent) { - spin_lock_irq(blkg->q->queue_lock); + if (blkg->parent) blkg_put(blkg->parent); - spin_unlock_irq(blkg->q->queue_lock); - } blkg_free(blkg); } diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 86154eab9523..c135f5660702 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -18,6 +18,7 @@ #include #include #include +#include /* Max limits for throttle policy */ #define THROTL_IOPS_MAX UINT_MAX @@ -104,7 +105,7 @@ struct blkcg_gq { struct request_list rl; /* reference count */ - int refcnt; + atomic_t refcnt; /* is this blkg online? protected by both blkcg and q locks */ bool online; @@ -253,13 +254,12 @@ static inline int blkg_path(struct blkcg_gq *blkg, char *buf, int buflen) * blkg_get - get a blkg reference * @blkg: blkg to get * - * The caller should be holding queue_lock and an existing reference. + * The caller should be holding an existing reference. */ static inline void blkg_get(struct blkcg_gq *blkg) { - lockdep_assert_held(blkg->q->queue_lock); - WARN_ON_ONCE(!blkg->refcnt); - blkg->refcnt++; + WARN_ON_ONCE(atomic_read(&blkg->refcnt) <= 0); + atomic_inc(&blkg->refcnt); } void __blkg_release_rcu(struct rcu_head *rcu); @@ -267,14 +267,11 @@ void __blkg_release_rcu(struct rcu_head *rcu); /** * blkg_put - put a blkg reference * @blkg: blkg to put - * - * The caller should be holding queue_lock. */ static inline void blkg_put(struct blkcg_gq *blkg) { - lockdep_assert_held(blkg->q->queue_lock); - WARN_ON_ONCE(blkg->refcnt <= 0); - if (!--blkg->refcnt) + WARN_ON_ONCE(atomic_read(&blkg->refcnt) <= 0); + if (atomic_dec_and_test(&blkg->refcnt)) call_rcu(&blkg->rcu_head, __blkg_release_rcu); } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 7f2d09fbb10b..7296c7f074bd 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1366,6 +1366,14 @@ static bool obj_request_exists_test(struct rbd_obj_request *obj_request) return test_bit(OBJ_REQ_EXISTS, &obj_request->flags) != 0; } +static bool obj_request_overlaps_parent(struct rbd_obj_request *obj_request) +{ + struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev; + + return obj_request->img_offset < + round_up(rbd_dev->parent_overlap, rbd_obj_bytes(&rbd_dev->header)); +} + static void rbd_obj_request_get(struct rbd_obj_request *obj_request) { dout("%s: obj %p (was %d)\n", __func__, obj_request, @@ -1382,6 +1390,13 @@ static void rbd_obj_request_put(struct rbd_obj_request *obj_request) kref_put(&obj_request->kref, rbd_obj_request_destroy); } +static void rbd_img_request_get(struct rbd_img_request *img_request) +{ + dout("%s: img %p (was %d)\n", __func__, img_request, + atomic_read(&img_request->kref.refcount)); + kref_get(&img_request->kref); +} + static bool img_request_child_test(struct rbd_img_request *img_request); static void rbd_parent_request_destroy(struct kref *kref); static void rbd_img_request_destroy(struct kref *kref); @@ -2128,6 +2143,7 @@ static void rbd_img_obj_callback(struct rbd_obj_request *obj_request) img_request->next_completion = which; out: spin_unlock_irq(&img_request->completion_lock); + rbd_img_request_put(img_request); if (!more) rbd_img_request_complete(img_request); @@ -2225,6 +2241,7 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, goto out_partial; obj_request->osd_req = osd_req; obj_request->callback = rbd_img_obj_callback; + rbd_img_request_get(img_request); osd_req_op_extent_init(osd_req, 0, opcode, offset, length, 0, 0); @@ -2647,7 +2664,7 @@ static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request) */ if (!img_request_write_test(img_request) || !img_request_layered_test(img_request) || - rbd_dev->parent_overlap <= obj_request->img_offset || + !obj_request_overlaps_parent(obj_request) || ((known = obj_request_known_test(obj_request)) && obj_request_exists_test(obj_request))) { diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index 00f878a04d3f..0996a3a39855 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -55,7 +55,7 @@ static int clk_rcg2_is_enabled(struct clk_hw *hw) if (ret) return ret; - return (cmd & CMD_ROOT_OFF) != 0; + return (cmd & CMD_ROOT_OFF) == 0; } static u8 clk_rcg2_get_parent(struct clk_hw *hw) diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index c95774514b81..6a0ae77d1939 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -169,6 +169,7 @@ static struct clk_pll mmpll0 = { .config_reg = 0x0014, .mode_reg = 0x0000, .status_reg = 0x001c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll0", .parent_names = (const char *[]){ "xo" }, @@ -192,9 +193,10 @@ static struct clk_pll mmpll1 = { .l_reg = 0x0044, .m_reg = 0x0048, .n_reg = 0x004c, - .config_reg = 0x0054, + .config_reg = 0x0050, .mode_reg = 0x0040, .status_reg = 0x005c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll1", .parent_names = (const char *[]){ "xo" }, @@ -218,7 +220,7 @@ static struct clk_pll mmpll2 = { .l_reg = 0x4104, .m_reg = 0x4108, .n_reg = 0x410c, - .config_reg = 0x4114, + .config_reg = 0x4110, .mode_reg = 0x4100, .status_reg = 0x411c, .clkr.hw.init = &(struct clk_init_data){ @@ -233,9 +235,10 @@ static struct clk_pll mmpll3 = { .l_reg = 0x0084, .m_reg = 0x0088, .n_reg = 0x008c, - .config_reg = 0x0094, + .config_reg = 0x0090, .mode_reg = 0x0080, .status_reg = 0x009c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll3", .parent_names = (const char *[]){ "xo" }, @@ -2318,7 +2321,7 @@ static const struct pll_config mmpll1_config = { .vco_val = 0x0, .vco_mask = 0x3 << 20, .pre_div_val = 0x0, - .pre_div_mask = 0x3 << 12, + .pre_div_mask = 0x7 << 12, .post_div_val = 0x0, .post_div_mask = 0x3 << 8, .mn_ena_mask = BIT(24), @@ -2332,7 +2335,7 @@ static struct pll_config mmpll3_config = { .vco_val = 0x0, .vco_mask = 0x3 << 20, .pre_div_val = 0x0, - .pre_div_mask = 0x3 << 12, + .pre_div_mask = 0x7 << 12, .post_div_val = 0x0, .post_div_mask = 0x3 << 8, .mn_ena_mask = BIT(24), diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index de9ef4a1986d..6d98c37c87ad 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -200,10 +200,7 @@ static signed int pid_calc(struct _pid *pid, int32_t busy) pid->last_err = fp_error; result = pterm + mul_fp(pid->integral, pid->i_gain) + dterm; - if (result >= 0) - result = result + (1 << (FRAC_BITS-1)); - else - result = result - (1 << (FRAC_BITS-1)); + result = result + (1 << (FRAC_BITS-1)); return (signed int)fp_toint(result); } diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 19a4f0535b63..fd98bec78816 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -736,9 +736,6 @@ static void i965_enable_backlight(struct intel_connector *connector) ctl = freq << 16; I915_WRITE(BLC_PWM_CTL, ctl); - /* XXX: combine this into above write? */ - intel_panel_actually_set_backlight(connector, panel->backlight.level); - ctl2 = BLM_PIPE(pipe); if (panel->backlight.combination_mode) ctl2 |= BLM_COMBINATION_MODE; @@ -747,6 +744,8 @@ static void i965_enable_backlight(struct intel_connector *connector) I915_WRITE(BLC_PWM_CTL2, ctl2); POSTING_READ(BLC_PWM_CTL2); I915_WRITE(BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE); + + intel_panel_actually_set_backlight(connector, panel->backlight.level); } static void vlv_enable_backlight(struct intel_connector *connector) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index bd1b00344dac..8e7245151b96 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5138,10 +5138,25 @@ bool intel_display_power_enabled_sw(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; struct i915_power_domains *power_domains; + struct i915_power_well *power_well; + bool is_enabled; + int i; + + if (dev_priv->pm.suspended) + return false; power_domains = &dev_priv->power_domains; + is_enabled = true; + for_each_power_well_rev(i, power_well, BIT(domain), power_domains) { + if (power_well->always_on) + continue; - return power_domains->domain_use_count[domain]; + if (!power_well->count) { + is_enabled = false; + break; + } + } + return is_enabled; } bool intel_display_power_enabled(struct drm_device *dev, diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index cbc2feeda59d..1890264cf115 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1383,7 +1383,9 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder, >> SDVO_PORT_MULTIPLY_SHIFT) + 1; } - dotclock = pipe_config->port_clock / pipe_config->pixel_multiplier; + dotclock = pipe_config->port_clock; + if (pipe_config->pixel_multiplier) + dotclock /= pipe_config->pixel_multiplier; if (HAS_PCH_SPLIT(dev)) ironlake_check_encoder_dotclock(pipe_config, dotclock); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c index 7cf8b1348632..6fdf6e385bf7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c @@ -51,6 +51,14 @@ nv04_disp_scanoutpos(struct nouveau_object *object, u32 mthd, args->htotal = nv_rd32(priv, 0x680824 + (head * 0x2000)) & 0xffff; args->hblanke = args->htotal - 1; + /* + * If output is vga instead of digital then vtotal/htotal is invalid + * so we have to give up and trigger the timestamping fallback in the + * drm core. + */ + if (!args->vtotal || !args->htotal) + return -ENOTSUPP; + args->time[0] = ktime_to_ns(ktime_get()); line = nv_rd32(priv, 0x600868 + (head * 0x2000)); args->time[1] = ktime_to_ns(ktime_get()); diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c index a86bd3352bf8..e69bfde37aef 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c @@ -1318,10 +1318,12 @@ nv108_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info) mmio_list(0x408010, 0x80000000, 0, 0); mmio_list(0x419004, 0x00000000, 8, 1); mmio_list(0x419008, 0x00000000, 0, 0); + mmio_list(0x4064cc, 0x80000000, 0, 0); mmio_list(0x408004, 0x00000000, 8, 0); mmio_list(0x408008, 0x80000030, 0, 0); mmio_list(0x418808, 0x00000000, 8, 0); mmio_list(0x41880c, 0x80000030, 0, 0); + mmio_list(0x4064c8, 0x00c20200, 0, 0); mmio_list(0x418810, 0x80000000, 12, 2); mmio_list(0x419848, 0x10000000, 12, 2); diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c index e8822a934c48..90d8bf8ce0dc 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c @@ -26,6 +26,7 @@ const struct nouveau_mc_intr nv50_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP before FIFO, so pageflip-timestamping works! */ { 0x00000001, NVDEV_ENGINE_MPEG }, { 0x00000100, NVDEV_ENGINE_FIFO }, { 0x00001000, NVDEV_ENGINE_GR }, @@ -34,7 +35,6 @@ nv50_mc_intr[] = { { 0x00020000, NVDEV_ENGINE_VP }, /* NV84- */ { 0x00100000, NVDEV_SUBDEV_TIMER }, { 0x00200000, NVDEV_SUBDEV_GPIO }, - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x80000000, NVDEV_ENGINE_SW }, { 0x0002d101, NVDEV_SUBDEV_FB }, diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c index f8a6f18e2d34..95b3d35388a8 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c @@ -26,6 +26,7 @@ static const struct nouveau_mc_intr nv98_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP first, so pageflip timestamps work */ { 0x00000001, NVDEV_ENGINE_PPP }, { 0x00000100, NVDEV_ENGINE_FIFO }, { 0x00001000, NVDEV_ENGINE_GR }, @@ -37,7 +38,6 @@ nv98_mc_intr[] = { { 0x00100000, NVDEV_SUBDEV_TIMER }, { 0x00200000, NVDEV_SUBDEV_GPIO }, { 0x00400000, NVDEV_ENGINE_COPY0 }, /* NVA3- */ - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x80000000, NVDEV_ENGINE_SW }, { 0x0042d101, NVDEV_SUBDEV_FB }, diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c index 34472d317097..ac7f99a15fa7 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c @@ -26,6 +26,7 @@ const struct nouveau_mc_intr nvc0_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP first, so pageflip timestamps work. */ { 0x00000001, NVDEV_ENGINE_PPP }, { 0x00000020, NVDEV_ENGINE_COPY0 }, { 0x00000040, NVDEV_ENGINE_COPY1 }, @@ -40,7 +41,6 @@ nvc0_mc_intr[] = { { 0x00200000, NVDEV_SUBDEV_GPIO }, { 0x01000000, NVDEV_SUBDEV_PWR }, { 0x02000000, NVDEV_SUBDEV_LTCG }, - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x08000000, NVDEV_SUBDEV_FB }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x40000000, NVDEV_SUBDEV_IBUS }, diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 5524a3705224..6601690ab29c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -734,6 +734,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, new_bo->bo.offset }; + /* Keep vblanks on during flip, for the target crtc of this flip */ + drm_vblank_get(dev, nouveau_crtc(crtc)->index); + /* Emit a page flip */ if (nv_device(drm->device)->card_type >= NV_50) { ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); @@ -777,6 +780,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, return 0; fail_unreserve: + drm_vblank_put(dev, nouveau_crtc(crtc)->index); ttm_bo_unreserve(&old_bo->bo); fail_unpin: mutex_unlock(&chan->cli->mutex); @@ -796,6 +800,7 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, struct drm_device *dev = drm->dev; struct nouveau_page_flip_state *s; unsigned long flags; + int crtcid = -1; spin_lock_irqsave(&dev->event_lock, flags); @@ -806,8 +811,16 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, } s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); - if (s->event) - drm_send_vblank_event(dev, s->crtc, s->event); + if (s->event) { + /* Vblank timestamps/counts are only correct on >= NV-50 */ + if (nv_device(drm->device)->card_type >= NV_50) + crtcid = s->crtc; + + drm_send_vblank_event(dev, crtcid, s->event); + } + + /* Give up ownership of vblank for page-flipped crtc */ + drm_vblank_put(dev, s->crtc); list_del(&s->head); if (ps) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 41a9a9cb271a..0cca5f24196a 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -862,14 +862,16 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; - switch (bpc) { - case 8: - default: - args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; - break; - case 10: - args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; - break; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; + break; + case 10: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; + break; + } } args.v5.ucTransmitterID = encoder_id; args.v5.ucEncoderMode = encoder_mode; @@ -884,20 +886,22 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; - switch (bpc) { - case 8: - default: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; - break; - case 10: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP; - break; - case 12: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; - break; - case 16: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; - break; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; + break; + case 10: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP; + break; + case 12: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; + break; + case 16: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; + break; + } } args.v6.ucTransmitterID = encoder_id; args.v6.ucEncoderMode = encoder_mode; diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 4ad7643fce5f..5727dbdeda7f 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -386,6 +386,19 @@ static int dp_get_max_dp_pix_clock(int link_rate, /***** radeon specific DP functions *****/ +static int radeon_dp_get_max_link_rate(struct drm_connector *connector, + u8 dpcd[DP_DPCD_SIZE]) +{ + int max_link_rate; + + if (radeon_connector_is_dp12_capable(connector)) + max_link_rate = min(drm_dp_max_link_rate(dpcd), 540000); + else + max_link_rate = min(drm_dp_max_link_rate(dpcd), 270000); + + return max_link_rate; +} + /* First get the min lane# when low rate is used according to pixel clock * (prefer low rate), second check max lane# supported by DP panel, * if the max lane# < low rate lane# then use max lane# instead. @@ -395,7 +408,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector, int pix_clock) { int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); - int max_link_rate = drm_dp_max_link_rate(dpcd); + int max_link_rate = radeon_dp_get_max_link_rate(connector, dpcd); int max_lane_num = drm_dp_max_lane_count(dpcd); int lane_num; int max_dp_pix_clock; @@ -433,7 +446,7 @@ static int radeon_dp_get_dp_link_clock(struct drm_connector *connector, return 540000; } - return drm_dp_max_link_rate(dpcd); + return radeon_dp_get_max_link_rate(connector, dpcd); } static u8 radeon_dp_encoder_service(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 607dc14d195e..ccca8b224d18 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1898,8 +1898,11 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder) args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT; else args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); - } else + } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS; + } else { args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); + } switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index d1b2c71b192a..a0a9f974cdd7 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -1745,12 +1745,12 @@ #define EOP_TC_WB_ACTION_EN (1 << 15) /* L2 */ #define EOP_TCL1_ACTION_EN (1 << 16) #define EOP_TC_ACTION_EN (1 << 17) /* L2 */ +#define EOP_TCL2_VOLATILE (1 << 24) #define EOP_CACHE_POLICY(x) ((x) << 25) /* 0 - LRU * 1 - Stream * 2 - Bypass */ -#define EOP_TCL2_VOLATILE (1 << 27) #define DATA_SEL(x) ((x) << 29) /* 0 - discard * 1 - send low 32bit data diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index cf783fc0ef21..cf777193c85f 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -1551,7 +1551,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } return 0; diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index ca814276b075..03f08a3cf864 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -1315,7 +1315,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } } diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 82d4f865546e..4d36b9e86275 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1402,7 +1402,7 @@ bool radeon_connector_is_dp12_capable(struct drm_connector *connector) struct radeon_device *rdev = dev->dev_private; if (ASIC_IS_DCE5(rdev) && - (rdev->clock.dp_extclk >= 53900) && + (rdev->clock.default_dispclk >= 53900) && radeon_connector_encoder_is_hbr2(connector)) { return true; } diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 7993aec86acc..7f2d6c0d11c1 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -97,6 +97,12 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p) uint32_t domain = r->write_domain ? r->write_domain : r->read_domains; + if (domain & RADEON_GEM_DOMAIN_CPU) { + DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid " + "for command submission\n"); + return -EINVAL; + } + p->relocs[i].lobj.domain = domain; if (domain == RADEON_GEM_DOMAIN_VRAM) domain |= RADEON_GEM_DOMAIN_GTT; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 021b5227e783..1b0f34bd3a03 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -179,7 +179,6 @@ static int vmw_fb_set_par(struct fb_info *info) vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset); vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres); vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres); - vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length); vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); } diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index ec0ae2d1686a..6866448083b2 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -623,7 +623,8 @@ static int vga_switcheroo_runtime_suspend(struct device *dev) ret = dev->bus->pm->runtime_suspend(dev); if (ret) return ret; - + if (vgasr_priv.handler->switchto) + vgasr_priv.handler->switchto(VGA_SWITCHEROO_IGD); vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_OFF); return 0; } diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 93d26e8af3e2..bfd3f3eeabcd 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -148,7 +148,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) switch (reg) { case INA2XX_SHUNT_VOLTAGE: - val = DIV_ROUND_CLOSEST(data->regs[reg], + /* signed register */ + val = DIV_ROUND_CLOSEST((s16)data->regs[reg], data->config->shunt_div); break; case INA2XX_BUS_VOLTAGE: @@ -160,8 +161,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) val = data->regs[reg] * data->config->power_lsb; break; case INA2XX_CURRENT: - /* LSB=1mA (selected). Is in mA */ - val = data->regs[reg]; + /* signed register, LSB=1mA (selected), in mA */ + val = (s16)data->regs[reg]; break; default: /* programmer goofed */ diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 0cf5f8e06cfc..1e8e94d4db7d 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, else if (name && index >= 0) { pr_err("ERROR: could not get IIO channel %s:%s(%i)\n", np->full_name, name ? name : "", index); - return chan; + return NULL; } /* @@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, */ np = np->parent; if (np && !of_get_property(np, "io-channel-ranges", NULL)) - break; + return NULL; } + return chan; } @@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev, if (channel != NULL) return channel; } + return iio_channel_get_sys(name, channel_name); } EXPORT_SYMBOL_GPL(iio_channel_get); diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index 8527743b5cef..391b9cea73ed 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -125,7 +125,7 @@ static struct spear_shirq spear320_shirq_ras2 = { }; static struct spear_shirq spear320_shirq_ras3 = { - .irq_nr = 3, + .irq_nr = 7, .irq_bit_off = 0, .invalid_irq = 1, .regs = { diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 94d2ac1b493e..359af3a519b5 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2925,7 +2925,8 @@ static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits) */ if (pt->adjusted_pf.discard_passdown) { data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits; - limits->discard_granularity = data_limits->discard_granularity; + limits->discard_granularity = max(data_limits->discard_granularity, + pool->sectors_per_block << SECTOR_SHIFT); } else limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 8b013f87c9d8..73aedcb639c0 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7505,6 +7505,19 @@ void md_do_sync(struct md_thread *thread) rdev->recovery_offset < j) j = rdev->recovery_offset; rcu_read_unlock(); + + /* If there is a bitmap, we need to make sure all + * writes that started before we added a spare + * complete before we start doing a recovery. + * Otherwise the write might complete and (via + * bitmap_endwrite) set a bit in the bitmap after the + * recovery has checked that bit and skipped that + * region. + */ + if (mddev->bitmap) { + mddev->pers->quiesce(mddev, 1); + mddev->pers->quiesce(mddev, 0); + } } printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev)); diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index c46feda07d56..7e1866175e7b 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -246,6 +246,9 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host, case MMC_RSP_R1: rsp_type = SD_RSP_TYPE_R1; break; + case MMC_RSP_R1 & ~MMC_RSP_CRC: + rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7; + break; case MMC_RSP_R1B: rsp_type = SD_RSP_TYPE_R1b; break; diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index bcf60800c3ce..c09ab95a2219 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -724,6 +724,19 @@ static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip, return 0; } +/* ECC will be calculated automatically, and errors will be detected in + * waitfunc. + */ +static int fsl_elbc_write_subpage(struct mtd_info *mtd, struct nand_chip *chip, + uint32_t offset, uint32_t data_len, + const uint8_t *buf, int oob_required) +{ + fsl_elbc_write_buf(mtd, buf, mtd->writesize); + fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize); + + return 0; +} + static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) { struct fsl_lbc_ctrl *ctrl = priv->ctrl; @@ -762,6 +775,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) chip->ecc.read_page = fsl_elbc_read_page; chip->ecc.write_page = fsl_elbc_write_page; + chip->ecc.write_subpage = fsl_elbc_write_subpage; /* If CS Base Register selects full hardware ECC then use it */ if ((in_be32(&lbc->bank[priv->bank].br) & BR_DECC) == diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index bf642ceef681..6f55d92dc233 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1451,7 +1451,7 @@ static int omap_elm_correct_data(struct mtd_info *mtd, u_char *data, /* Check if any error reported */ if (!is_error_reported) - return 0; + return stat; /* Decode BCH error using ELM module */ elm_decode_bch_error_page(info->elm_dev, ecc_vec, err_vec); diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 2a7a0b27ac38..51e15fd53108 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -128,10 +128,10 @@ /* macros for registers read/write */ #define nand_writel(info, off, val) \ - __raw_writel((val), (info)->mmio_base + (off)) + writel_relaxed((val), (info)->mmio_base + (off)) #define nand_readl(info, off) \ - __raw_readl((info)->mmio_base + (off)) + readl_relaxed((info)->mmio_base + (off)) /* error code and state */ enum { diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 511f6eecd58b..62db510b70ea 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -725,6 +725,7 @@ static int emac_open(struct net_device *dev) ret = emac_mdio_probe(dev); if (ret < 0) { + free_irq(dev->irq, dev); netdev_err(dev, "cannot probe MDIO bus\n"); return ret; } diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 7e2995ecea6f..84e41920b5ff 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -398,7 +398,7 @@ int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port, MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { - if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_OFFSET) { + if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { mlx4_err(dev, "VLAN is enforced on this port\n"); err = -EPROTONOSUPPORT; goto out; diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 50e5ddb12fb3..628ff628e04a 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -810,9 +810,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) break; case B43_PHYTYPE_G: status.band = IEEE80211_BAND_2GHZ; - /* chanid is the radio channel cookie value as used - * to tune the radio. */ - status.freq = chanid + 2400; + /* Somewhere between 478.104 and 508.1084 firmware for G-PHY + * has been modified to be compatible with N-PHY and others. + */ + if (dev->fw.rev >= 508) + status.freq = ieee80211_channel_to_frequency(chanid, status.band); + else + status.freq = chanid + 2400; break; case B43_PHYTYPE_N: case B43_PHYTYPE_LP: diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index 82bf3c5d3cdc..2de2736eb332 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -300,10 +300,10 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, wrapbase = ci->c_inf[idx].wrapbase; - /* if core is already in reset, just return */ + /* if core is already in reset, skip reset */ regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL); if ((regdata & BCMA_RESET_CTL_RESET) != 0) - return; + goto post_reset_config; /* configure reset */ brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | @@ -319,6 +319,7 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, SPINWAIT(brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL) != BCMA_RESET_CTL_RESET, 300); +post_reset_config: /* post reset configure */ brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 8d42fd9b0811..16be0c07c64a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -318,6 +318,7 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) { int ret; int t = 0; + int iter; IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); @@ -326,18 +327,23 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) if (ret >= 0) return 0; - /* If HW is not ready, prepare the conditions to check again */ - iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_PREPARE); + for (iter = 0; iter < 10; iter++) { + /* If HW is not ready, prepare the conditions to check again */ + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_PREPARE); + + do { + ret = iwl_pcie_set_hw_ready(trans); + if (ret >= 0) + return 0; - do { - ret = iwl_pcie_set_hw_ready(trans); - if (ret >= 0) - return 0; + usleep_range(200, 1000); + t += 200; + } while (t < 150000); + msleep(25); + } - usleep_range(200, 1000); - t += 200; - } while (t < 150000); + IWL_DEBUG_INFO(trans, "got NIC after %d iterations\n", iter); return ret; } diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 2f1cd929c6f6..a511cccc9f01 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1681,8 +1681,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) /* * Detect if this device has an hardware controlled radio. */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) + if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) { __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); + /* + * On this device RFKILL initialized during probe does not work. + */ + __set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags); + } /* * Check if the BBP tuning should be enabled. diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index e3b885d8f7db..5d45a1a740a4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -693,6 +693,7 @@ enum rt2x00_capability_flags { REQUIRE_SW_SEQNO, REQUIRE_HT_TX_DESC, REQUIRE_PS_AUTOWAKE, + REQUIRE_DELAYED_RFKILL, /* * Capabilities diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 2bde6729f5e6..4fa43a2eeb73 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1126,9 +1126,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev) return; /* - * Unregister extra components. + * Stop rfkill polling. */ - rt2x00rfkill_unregister(rt2x00dev); + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); /* * Allow the HW to uninitialize. @@ -1166,6 +1167,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev) set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags); + /* + * Start rfkill polling. + */ + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); + return 0; } @@ -1375,7 +1382,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) rt2x00link_register(rt2x00dev); rt2x00leds_register(rt2x00dev); rt2x00debug_register(rt2x00dev); - rt2x00rfkill_register(rt2x00dev); + + /* + * Start rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); return 0; @@ -1391,6 +1403,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); /* + * Stop rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); + + /* * Disable radio. */ rt2x00lib_disable_radio(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index a87ee9b6585a..87a8ad5d2eb7 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -487,6 +487,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; + if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev)) + return -EOPNOTSUPP; crypto.cmd = cmd; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index fa764406df68..c5bb0e0a36b9 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -185,6 +185,11 @@ static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue) if (crq->valid & 0x80) { if (++queue->cur == queue->size) queue->cur = 0; + + /* Ensure the read of the valid bit occurs before reading any + * other bits of the CRQ entry + */ + rmb(); } else crq = NULL; spin_unlock_irqrestore(&queue->lock, flags); @@ -203,6 +208,11 @@ static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata, { struct vio_dev *vdev = to_vio_dev(hostdata->dev); + /* + * Ensure the command buffer is flushed to memory before handing it + * over to the VIOS to prevent it from fetching any stale data. + */ + mb(); return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2); } @@ -797,7 +807,8 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code) evt->hostdata->dev); if (evt->cmnd_done) evt->cmnd_done(evt->cmnd); - } else if (evt->done) + } else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT && + evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ) evt->done(evt); free_event_struct(&evt->hostdata->pool, evt); spin_lock_irqsave(hostdata->host->host_lock, flags); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index ef29636d4c9b..edb4d46fa874 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -131,7 +131,7 @@ scmd_eh_abort_handler(struct work_struct *work) "aborting command %p\n", scmd)); rtn = scsi_try_to_abort_cmd(sdev->host->hostt, scmd); if (rtn == SUCCESS) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); if (scsi_host_eh_past_deadline(sdev->host)) { SCSI_LOG_ERROR_RECOVERY(3, scmd_printk(KERN_INFO, scmd, @@ -167,7 +167,7 @@ scmd_eh_abort_handler(struct work_struct *work) scmd_printk(KERN_WARNING, scmd, "scmd %p terminate " "aborted command\n", scmd)); - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); scsi_finish_command(scmd); } } @@ -290,7 +290,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req) if (scsi_abort_command(scmd) == SUCCESS) return BLK_EH_NOT_HANDLED; - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); if (unlikely(rtn == BLK_EH_NOT_HANDLED && !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) @@ -1773,7 +1773,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) break; case DID_ABORT: if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); return SUCCESS; } case DID_NO_CONNECT: diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index d92fe4037e94..6b349e301869 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -3000,7 +3000,11 @@ sym_dequeue_from_squeue(struct sym_hcb *np, int i, int target, int lun, int task if ((target == -1 || cp->target == target) && (lun == -1 || cp->lun == lun) && (task == -1 || cp->tag == task)) { +#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING sym_set_cam_status(cp->cmd, DID_SOFT_ERROR); +#else + sym_set_cam_status(cp->cmd, DID_REQUEUE); +#endif sym_remque(&cp->link_ccbq); sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq); } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index db3b494e5926..8490aa411739 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -273,6 +273,16 @@ static void virtscsi_req_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, req_vq, virtscsi_complete_cmd); }; +static void virtscsi_poll_requests(struct virtio_scsi *vscsi) +{ + int i, num_vqs; + + num_vqs = vscsi->num_queues; + for (i = 0; i < num_vqs; i++) + virtscsi_vq_done(vscsi, &vscsi->req_vqs[i], + virtscsi_complete_cmd); +} + static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; @@ -291,6 +301,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free); }; +static void virtscsi_handle_event(struct work_struct *work); + static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct virtio_scsi_event_node *event_node) { @@ -298,6 +310,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct scatterlist sg; unsigned long flags; + INIT_WORK(&event_node->work, virtscsi_handle_event); sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); @@ -415,7 +428,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; - INIT_WORK(&event_node->work, virtscsi_handle_event); schedule_work(&event_node->work); } @@ -605,6 +617,18 @@ static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd) cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED) ret = SUCCESS; + /* + * The spec guarantees that all requests related to the TMF have + * been completed, but the callback might not have run yet if + * we're using independent interrupts (e.g. MSI). Poll the + * virtqueues once. + * + * In the abort case, sc->scsi_done will do nothing, because + * the block layer must have detected a timeout and as a result + * REQ_ATOM_COMPLETE has been set. + */ + virtscsi_poll_requests(vscsi); + out: mempool_free(cmd, virtscsi_cmd_pool); return ret; diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 357cef2a6f4c..7194bd138762 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client, struct ad7291_platform_data *pdata = client->dev.platform_data; struct ad7291_chip_info *chip; struct iio_dev *indio_dev; - int ret = 0; + int ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip)); if (!indio_dev) @@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client, if (pdata && pdata->use_external_ref) { chip->reg = devm_regulator_get(&client->dev, "vref"); if (IS_ERR(chip->reg)) - return ret; + return PTR_ERR(chip->reg); ret = regulator_enable(chip->reg); if (ret) diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index e36d1f5ca191..28ac3f3b7ec3 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1214,15 +1214,16 @@ static void n_tty_receive_parity_error(struct tty_struct *tty, unsigned char c) { struct n_tty_data *ldata = tty->disc_data; - if (I_IGNPAR(tty)) - return; - if (I_PARMRK(tty)) { - put_tty_queue('\377', ldata); - put_tty_queue('\0', ldata); - put_tty_queue(c, ldata); - } else if (I_INPCK(tty)) - put_tty_queue('\0', ldata); - else + if (I_INPCK(tty)) { + if (I_IGNPAR(tty)) + return; + if (I_PARMRK(tty)) { + put_tty_queue('\377', ldata); + put_tty_queue('\0', ldata); + put_tty_queue(c, ldata); + } else + put_tty_queue('\0', ldata); + } else put_tty_queue(c, ldata); if (waitqueue_active(&tty->read_wait)) wake_up_interruptible(&tty->read_wait); diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 29a7f632b354..612dfc720738 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -2356,7 +2356,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) port->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 501667e3e3f5..323376668b72 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -185,6 +185,12 @@ static void altera_uart_set_termios(struct uart_port *port, uart_update_timeout(port, termios->c_cflag, baud); altera_uart_writel(port, baudclk, ALTERA_UART_DIVISOR_REG); spin_unlock_irqrestore(&port->lock, flags); + + /* + * FIXME: port->read_status_mask and port->ignore_status_mask + * need to be initialized based on termios settings for + * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT + */ } static void altera_uart_rx_chars(struct altera_uart *pp) diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 01c9e72433e1..971af1e22d0f 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -420,7 +420,7 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, uap->port.read_status_mask = UART01x_RSR_OE; if (termios->c_iflag & INPCK) uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uap->port.read_status_mask |= UART01x_RSR_BE; /* diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index d58783d364e3..b569011ac713 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1744,7 +1744,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = UART011_DR_OE | 255; if (termios->c_iflag & INPCK) port->read_status_mask |= UART011_DR_FE | UART011_DR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART011_DR_BE; /* diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index a49f10d269b2..ce352b81e230 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1811,7 +1811,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = ATMEL_US_OVRE; if (termios->c_iflag & INPCK) port->read_status_mask |= (ATMEL_US_FRAME | ATMEL_US_PARE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= ATMEL_US_RXBRK; if (atmel_use_pdc_rx(port)) diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 78e82b017b92..e0b87d507670 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -565,7 +565,7 @@ static void bcm_uart_set_termios(struct uart_port *port, port->read_status_mask |= UART_FIFO_FRAMEERR_MASK; port->read_status_mask |= UART_FIFO_PARERR_MASK; } - if (new->c_iflag & (BRKINT)) + if (new->c_iflag & (IGNBRK | BRKINT)) port->read_status_mask |= UART_FIFO_BRKDET_MASK; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 869ceba2ec57..ac86a20992e9 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -833,7 +833,7 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = OE; if (termios->c_iflag & INPCK) port->read_status_mask |= (FE | PE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= BI; /* diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c index 2f2b2e538a54..cdbbc788230a 100644 --- a/drivers/tty/serial/dz.c +++ b/drivers/tty/serial/dz.c @@ -625,7 +625,7 @@ static void dz_set_termios(struct uart_port *uport, struct ktermios *termios, dport->port.read_status_mask = DZ_OERR; if (termios->c_iflag & INPCK) dport->port.read_status_mask |= DZ_FERR | DZ_PERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) dport->port.read_status_mask |= DZ_BREAK; /* characters to ignore */ diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index 0eb5b5673ede..948f17b6b497 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -407,7 +407,7 @@ static void efm32_uart_set_termios(struct uart_port *port, if (new->c_iflag & INPCK) port->read_status_mask |= UARTn_RXDATAX_FERR | UARTn_RXDATAX_PERR; - if (new->c_iflag & (BRKINT | PARMRK)) + if (new->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SW_UARTn_RXDATAX_BERR; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 8978dc9a58b7..175f123f4f09 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -496,7 +496,7 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios, sport->port.read_status_mask = 0; if (termios->c_iflag & INPCK) sport->port.read_status_mask |= (UARTSR1_FE | UARTSR1_PE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) sport->port.read_status_mask |= UARTSR1_FE; /* characters to ignore */ diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 1d9420548e16..1efd4c36ba0c 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -850,7 +850,7 @@ ip22zilog_convert_to_zs(struct uart_ip22zilog_port *up, unsigned int cflag, up->port.read_status_mask = Rx_OVR; if (iflag & INPCK) up->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= BRK_ABRT; up->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c index 9cd9b4eba9fc..68f2c53e0b54 100644 --- a/drivers/tty/serial/m32r_sio.c +++ b/drivers/tty/serial/m32r_sio.c @@ -737,7 +737,7 @@ static void m32r_sio_set_termios(struct uart_port *port, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 8d71e4047bb3..558af637cd0c 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -842,7 +842,7 @@ static void max310x_set_termios(struct uart_port *port, if (termios->c_iflag & INPCK) port->read_status_mask |= MAX310X_LSR_RXPAR_BIT | MAX310X_LSR_FRERR_BIT; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= MAX310X_LSR_RXBRK_BIT; /* Set status ignore mask */ diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c index 0edfaf8cd269..a6f085717f94 100644 --- a/drivers/tty/serial/mcf.c +++ b/drivers/tty/serial/mcf.c @@ -248,6 +248,12 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, mr1 |= MCFUART_MR1_PARITYNONE; } + /* + * FIXME: port->read_status_mask and port->ignore_status_mask + * need to be initialized based on termios settings for + * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT + */ + if (termios->c_cflag & CSTOPB) mr2 |= MCFUART_MR2_STOP2; else diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index 52c930fac210..445799dc9846 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -977,7 +977,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* Characters to ignore */ diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index e30a3ca3cea3..759c6a6fa74a 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -1458,7 +1458,7 @@ static void mpsc_set_termios(struct uart_port *port, struct ktermios *termios, pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_PE | SDMA_DESC_CMDSTAT_FR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_BR; /* Characters/events to ignore */ diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index b5d779cd3c2b..c0f2b3e5452f 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -570,7 +570,7 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = 0; if (termios->c_iflag & INPCK) port->read_status_mask |= UART_SR_PAR_FRAME_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_SR_RX_BREAK; uart_update_timeout(port, termios->c_cflag, baud); diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index aa97fd845b4d..d98f1d4a9bd3 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -604,7 +604,7 @@ static void mxs_auart_settermios(struct uart_port *u, if (termios->c_iflag & INPCK) u->read_status_mask |= AUART_STAT_PERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) u->read_status_mask |= AUART_STAT_BERR; /* diff --git a/drivers/tty/serial/netx-serial.c b/drivers/tty/serial/netx-serial.c index 0a4dd70d29eb..7a6745601d4e 100644 --- a/drivers/tty/serial/netx-serial.c +++ b/drivers/tty/serial/netx-serial.c @@ -419,7 +419,7 @@ netx_set_termios(struct uart_port *port, struct ktermios *termios, } port->read_status_mask = 0; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SR_BE; if (termios->c_iflag & INPCK) port->read_status_mask |= SR_PE | SR_FE; diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index e9d420ff3931..8193635103ee 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1092,7 +1092,7 @@ static void pmz_convert_to_zs(struct uart_pmac_port *uap, unsigned int cflag, uap->port.read_status_mask = Rx_OVR; if (iflag & INPCK) uap->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) uap->port.read_status_mask |= BRK_ABRT; uap->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/pnx8xxx_uart.c b/drivers/tty/serial/pnx8xxx_uart.c index de6c05c63683..2ba24a45c97f 100644 --- a/drivers/tty/serial/pnx8xxx_uart.c +++ b/drivers/tty/serial/pnx8xxx_uart.c @@ -477,7 +477,7 @@ pnx8xxx_set_termios(struct uart_port *port, struct ktermios *termios, sport->port.read_status_mask |= FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) | FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) sport->port.read_status_mask |= ISTAT_TO_SM(PNX8XXX_UART_INT_BREAK); diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index f9f20f383760..fc3f308cd6c1 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -492,7 +492,7 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c index a7cdec2962dd..771f361c47ea 100644 --- a/drivers/tty/serial/sb1250-duart.c +++ b/drivers/tty/serial/sb1250-duart.c @@ -596,7 +596,7 @@ static void sbd_set_termios(struct uart_port *uport, struct ktermios *termios, if (termios->c_iflag & INPCK) uport->read_status_mask |= M_DUART_FRM_ERR | M_DUART_PARITY_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uport->read_status_mask |= M_DUART_RCVD_BRK; uport->ignore_status_mask = 0; diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c index a447f71538ef..75ea83278ba4 100644 --- a/drivers/tty/serial/sccnxp.c +++ b/drivers/tty/serial/sccnxp.c @@ -667,7 +667,7 @@ static void sccnxp_set_termios(struct uart_port *port, port->read_status_mask = SR_OVR; if (termios->c_iflag & INPCK) port->read_status_mask |= SR_PE | SR_FE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SR_BRK; /* Set status ignore mask */ diff --git a/drivers/tty/serial/serial_ks8695.c b/drivers/tty/serial/serial_ks8695.c index e1caa99e3d3b..5c79bdab985d 100644 --- a/drivers/tty/serial/serial_ks8695.c +++ b/drivers/tty/serial/serial_ks8695.c @@ -437,7 +437,7 @@ static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *term port->read_status_mask = URLS_URROE; if (termios->c_iflag & INPCK) port->read_status_mask |= (URLS_URFE | URLS_URPE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= URLS_URBI; /* diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index 90a080b1f9ee..cbf501da5df3 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -702,7 +702,7 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios, TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS; if (termios->c_iflag & INPCK) up->port.read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= TXX9_SIDISR_UBRK; /* diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c index b7bfe24d4ebc..020fe220d0e9 100644 --- a/drivers/tty/serial/sirfsoc_uart.c +++ b/drivers/tty/serial/sirfsoc_uart.c @@ -908,7 +908,7 @@ static void sirfsoc_uart_set_termios(struct uart_port *port, if (termios->c_iflag & INPCK) port->read_status_mask |= uint_en->sirfsoc_frm_err_en; } - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= uint_en->sirfsoc_rxd_brk_en; if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { if (termios->c_iflag & IGNPAR) diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index 21e6e84c0df8..0ee31755cb5a 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -547,7 +547,7 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios, ascport->port.read_status_mask = ASC_RXBUF_DUMMY_OE; if (termios->c_iflag & INPCK) ascport->port.read_status_mask |= ASC_RXBUF_FE | ASC_RXBUF_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) ascport->port.read_status_mask |= ASC_RXBUF_DUMMY_BE; /* diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index 5faa8e905e98..80a58eca785b 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -719,7 +719,7 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla if (iflag & INPCK) up->port.read_status_mask |= (SAB82532_ISR0_PERR | SAB82532_ISR0_FERR); - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= (SAB82532_ISR1_BRK << 8); /* diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c index 9a0f24f83720..5326ae195e5f 100644 --- a/drivers/tty/serial/sunsu.c +++ b/drivers/tty/serial/sunsu.c @@ -834,7 +834,7 @@ sunsu_change_speed(struct uart_port *port, unsigned int cflag, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index a2c40ed287d2..a85db8b87156 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -915,7 +915,7 @@ sunzilog_convert_to_zs(struct uart_sunzilog_port *up, unsigned int cflag, up->port.read_status_mask = Rx_OVR; if (iflag & INPCK) up->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= BRK_ABRT; up->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index d569ca58bab6..1c52074c38df 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -936,7 +936,7 @@ static void qe_uart_set_termios(struct uart_port *port, port->read_status_mask = BD_SC_EMPTY | BD_SC_OV; if (termios->c_iflag & INPCK) port->read_status_mask |= BD_SC_FR | BD_SC_PR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= BD_SC_BR; /* diff --git a/drivers/tty/serial/vr41xx_siu.c b/drivers/tty/serial/vr41xx_siu.c index a63c14bc9a24..db0c8a4ab03e 100644 --- a/drivers/tty/serial/vr41xx_siu.c +++ b/drivers/tty/serial/vr41xx_siu.c @@ -559,7 +559,7 @@ static void siu_set_termios(struct uart_port *port, struct ktermios *new, port->read_status_mask = UART_LSR_THRE | UART_LSR_OE | UART_LSR_DR; if (c_iflag & INPCK) port->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (c_iflag & (BRKINT | PARMRK)) + if (c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_LSR_BI; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c index 6a169877109b..2b65bb7ffb8a 100644 --- a/drivers/tty/serial/zs.c +++ b/drivers/tty/serial/zs.c @@ -923,7 +923,7 @@ static void zs_set_termios(struct uart_port *uport, struct ktermios *termios, uport->read_status_mask = Rx_OVR; if (termios->c_iflag & INPCK) uport->read_status_mask |= FRM_ERR | PAR_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uport->read_status_mask |= Rx_BRK; uport->ignore_status_mask = 0; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 4ab2cb62dfce..3314516018c6 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1326,6 +1326,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req); unsigned long flags; + struct td_node *node, *tmpnode; if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY || hwep->ep.desc == NULL || list_empty(&hwreq->queue) || @@ -1336,6 +1337,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) hw_ep_flush(hwep->ci, hwep->num, hwep->dir); + list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) { + dma_pool_free(hwep->td_pool, node->ptr, node->dma); + list_del(&node->td); + kfree(node); + } + /* pop request */ list_del_init(&hwreq->queue); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 2b4334394076..5bcf7d001259 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1227,11 +1227,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) ffs->ep0req->context = ffs; lang = ffs->stringtabs; - for (lang = ffs->stringtabs; *lang; ++lang) { - struct usb_string *str = (*lang)->strings; - int id = first_id; - for (; str->s; ++id, ++str) - str->id = id; + if (lang) { + for (; *lang; ++lang) { + struct usb_string *str = (*lang)->strings; + int id = first_id; + for (; str->s; ++id, ++str) + str->id = id; + } } ffs->gadget = cdev->gadget; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index dff9b5ead3b3..65091d9aa997 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1578,8 +1578,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code); break; case TRB_RESET_DEV: - WARN_ON(slot_id != TRB_TO_SLOT_ID( - le32_to_cpu(cmd_trb->generic.field[3]))); + /* SLOT_ID field in reset device cmd completion event TRB is 0. + * Use the SLOT_ID from the command TRB instead (xhci 4.6.11) + */ + slot_id = TRB_TO_SLOT_ID( + le32_to_cpu(cmd_trb->generic.field[3])); xhci_handle_cmd_reset_dev(xhci, slot_id, event); break; case TRB_NEC_GET_FW: @@ -3663,7 +3666,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci, return 0; max_burst = urb->ep->ss_ep_comp.bMaxBurst; - return roundup(total_packet_count, max_burst + 1) - 1; + return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1; } /* diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index cca289667cf6..ab831048e8a4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -928,7 +928,7 @@ int xhci_suspend(struct xhci_hcd *xhci) */ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) { - u32 command, temp = 0; + u32 command, temp = 0, status; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; int retval = 0; @@ -1046,8 +1046,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) done: if (retval == 0) { - usb_hcd_resume_root_hub(hcd); - usb_hcd_resume_root_hub(xhci->shared_hcd); + /* Resume root hubs only when have pending events. */ + status = readl(&xhci->op_regs->status); + if (status & STS_EINT) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } } /* diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c index d2353781bd2d..1e58ed2361cc 100644 --- a/drivers/usb/musb/musb_am335x.c +++ b/drivers/usb/musb/musb_am335x.c @@ -19,21 +19,6 @@ err: return ret; } -static int of_remove_populated_child(struct device *dev, void *d) -{ - struct platform_device *pdev = to_platform_device(dev); - - of_device_unregister(pdev); - return 0; -} - -static int am335x_child_remove(struct platform_device *pdev) -{ - device_for_each_child(&pdev->dev, NULL, of_remove_populated_child); - pm_runtime_disable(&pdev->dev); - return 0; -} - static const struct of_device_id am335x_child_of_match[] = { { .compatible = "ti,am33xx-usb" }, { }, @@ -42,13 +27,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match); static struct platform_driver am335x_child_driver = { .probe = am335x_child_probe, - .remove = am335x_child_remove, .driver = { .name = "am335x-usb-childs", .of_match_table = am335x_child_of_match, }, }; -module_platform_driver(am335x_child_driver); +static int __init am335x_child_init(void) +{ + return platform_driver_register(&am335x_child_driver); +} +module_init(am335x_child_init); + MODULE_DESCRIPTION("AM33xx child devices"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index f88929609bac..c2d5afc57e22 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -266,7 +266,7 @@ static void cppi41_dma_callback(void *private_data) } list_add_tail(&cppi41_channel->tx_check, &controller->early_tx_list); - if (!hrtimer_active(&controller->early_tx)) { + if (!hrtimer_is_queued(&controller->early_tx)) { hrtimer_start_range_ns(&controller->early_tx, ktime_set(0, 140 * NSEC_PER_USEC), 40 * NSEC_PER_USEC, diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index c2e45e632723..f202e5088461 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -274,7 +274,6 @@ static int ux500_probe(struct platform_device *pdev) musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &pdev->dev.coherent_dma_mask; musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask; - musb->dev.of_node = pdev->dev.of_node; glue->dev = &pdev->dev; glue->musb = musb; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index edf3b124583c..115662c16dcc 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1566,14 +1566,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port) struct usb_device *udev = serial->dev; struct usb_interface *interface = serial->interface; - struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; + struct usb_endpoint_descriptor *ep_desc; unsigned num_endpoints; - int i; + unsigned i; num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); + if (!num_endpoints) + return; + /* NOTE: some customers have programmed FT232R/FT245R devices * with an endpoint size of 0 - not good. In this case, we * want to override the endpoint descriptor setting and use a diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 70ede84f4f6b..e25e8ca09fe2 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -352,6 +352,9 @@ static void option_instat_callback(struct urb *urb); /* Zoom */ #define ZOOM_PRODUCT_4597 0x9607 +/* SpeedUp SU9800 usb 3g modem */ +#define SPEEDUP_PRODUCT_SU9800 0x9800 + /* Haier products */ #define HAIER_VENDOR_ID 0x201e #define HAIER_PRODUCT_CE100 0x2009 @@ -372,8 +375,12 @@ static void option_instat_callback(struct urb *urb); /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c #define OLIVETTI_PRODUCT_OLICARD100 0xc000 +#define OLIVETTI_PRODUCT_OLICARD120 0xc001 +#define OLIVETTI_PRODUCT_OLICARD140 0xc002 #define OLIVETTI_PRODUCT_OLICARD145 0xc003 +#define OLIVETTI_PRODUCT_OLICARD155 0xc004 #define OLIVETTI_PRODUCT_OLICARD200 0xc005 +#define OLIVETTI_PRODUCT_OLICARD160 0xc00a #define OLIVETTI_PRODUCT_OLICARD500 0xc00b /* Celot products */ @@ -1577,6 +1584,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, @@ -1611,15 +1619,21 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, - - { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200), - .driver_info = (kernel_ulong_t)&net_intf6_blacklist - }, + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500), - .driver_info = (kernel_ulong_t)&net_intf4_blacklist - }, + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) }, diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index 6db9ebd042a3..88fa2e70a0bb 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -18,8 +18,10 @@ #include #include #include +#include #include +#include #include /* Platform_data reserved for unifb registers. */ diff --git a/fs/aio.c b/fs/aio.c index 19e7d9530dbe..e609e15f36b9 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -112,6 +112,11 @@ struct kioctx { struct work_struct free_work; + /* + * signals when all in-flight requests are done + */ + struct completion *requests_done; + struct { /* * This counts the number of available slots in the ringbuffer, @@ -508,6 +513,10 @@ static void free_ioctx_reqs(struct percpu_ref *ref) { struct kioctx *ctx = container_of(ref, struct kioctx, reqs); + /* At this point we know that there are no any in-flight requests */ + if (ctx->requests_done) + complete(ctx->requests_done); + INIT_WORK(&ctx->free_work, free_ioctx); schedule_work(&ctx->free_work); } @@ -718,7 +727,8 @@ err: * when the processes owning a context have all exited to encourage * the rapid destruction of the kioctx. */ -static void kill_ioctx(struct mm_struct *mm, struct kioctx *ctx) +static void kill_ioctx(struct mm_struct *mm, struct kioctx *ctx, + struct completion *requests_done) { if (!atomic_xchg(&ctx->dead, 1)) { struct kioctx_table *table; @@ -747,7 +757,11 @@ static void kill_ioctx(struct mm_struct *mm, struct kioctx *ctx) if (ctx->mmap_size) vm_munmap(ctx->mmap_base, ctx->mmap_size); + ctx->requests_done = requests_done; percpu_ref_kill(&ctx->users); + } else { + if (requests_done) + complete(requests_done); } } @@ -809,7 +823,7 @@ void exit_aio(struct mm_struct *mm) */ ctx->mmap_size = 0; - kill_ioctx(mm, ctx); + kill_ioctx(mm, ctx, NULL); } } @@ -1187,7 +1201,7 @@ SYSCALL_DEFINE2(io_setup, unsigned, nr_events, aio_context_t __user *, ctxp) if (!IS_ERR(ioctx)) { ret = put_user(ioctx->user_id, ctxp); if (ret) - kill_ioctx(current->mm, ioctx); + kill_ioctx(current->mm, ioctx, NULL); percpu_ref_put(&ioctx->users); } @@ -1205,8 +1219,22 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) { struct kioctx *ioctx = lookup_ioctx(ctx); if (likely(NULL != ioctx)) { - kill_ioctx(current->mm, ioctx); + struct completion requests_done = + COMPLETION_INITIALIZER_ONSTACK(requests_done); + + /* Pass requests_done to kill_ioctx() where it can be set + * in a thread-safe way. If we try to set it here then we have + * a race condition if two io_destroy() called simultaneously. + */ + kill_ioctx(current->mm, ioctx, &requests_done); percpu_ref_put(&ioctx->users); + + /* Wait until all IO for the context are done. Otherwise kernel + * keep using user-space buffers even if user thinks the context + * is destroyed. + */ + wait_for_completion(&requests_done); + return 0; } pr_debug("EINVAL: io_destroy: invalid context id\n"); diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 0227b45ef00a..15e9505aa35f 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -290,7 +290,8 @@ int cifsConvertToUTF16(__le16 *target, const char *source, int srclen, const struct nls_table *cp, int mapChars) { - int i, j, charlen; + int i, charlen; + int j = 0; char src_char; __le16 dst_char; wchar_t tmp; @@ -298,12 +299,11 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen, if (!mapChars) return cifs_strtoUTF16(target, source, PATH_MAX, cp); - for (i = 0, j = 0; i < srclen; j++) { + for (i = 0; i < srclen; j++) { src_char = source[i]; charlen = 1; switch (src_char) { case 0: - put_unaligned(0, &target[j]); goto ctoUTF16_out; case ':': dst_char = cpu_to_le16(UNI_COLON); @@ -350,6 +350,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen, } ctoUTF16_out: + put_unaligned(0, &target[j]); /* Null terminate target unicode string */ return j; } diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 264ece71bdb2..68559fd557fb 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -374,7 +374,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, oparms.cifs_sb = cifs_sb; oparms.desired_access = GENERIC_WRITE; oparms.create_options = create_options; - oparms.disposition = FILE_OPEN; + oparms.disposition = FILE_CREATE; oparms.path = path; oparms.fid = &fid; oparms.reconnect = false; diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index 594009f5f523..e6574d7b6642 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -389,7 +389,13 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode, return 0; failed: for (; i >= 0; i--) { - if (i != indirect_blks && branch[i].bh) + /* + * We want to ext4_forget() only freshly allocated indirect + * blocks. Buffer for new_blocks[i-1] is at branch[i].bh and + * buffer at branch[0].bh is indirect block / inode already + * existing before ext4_alloc_branch() was called. + */ + if (i > 0 && i != indirect_blks && branch[i].bh) ext4_forget(handle, 1, inode, branch[i].bh, branch[i].bh->b_blocknr); ext4_free_blocks(handle, inode, NULL, new_blocks[i], @@ -1312,16 +1318,24 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode, blk = *i_data; if (level > 0) { ext4_lblk_t first2; + ext4_lblk_t count2; + bh = sb_bread(inode->i_sb, le32_to_cpu(blk)); if (!bh) { EXT4_ERROR_INODE_BLOCK(inode, le32_to_cpu(blk), "Read failure"); return -EIO; } - first2 = (first > offset) ? first - offset : 0; + if (first > offset) { + first2 = first - offset; + count2 = count; + } else { + first2 = 0; + count2 = count - (offset - first); + } ret = free_hole_blocks(handle, inode, bh, (__le32 *)bh->b_data, level - 1, - first2, count - offset, + first2, count2, inode->i_sb->s_blocksize >> 2); if (ret) { brelse(bh); diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 9a914e892bb1..f23a6ca37504 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -618,15 +618,6 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, switch (create->cr_type) { case NF4LNK: - /* ugh! we have to null-terminate the linktext, or - * vfs_symlink() will choke. it is always safe to - * null-terminate by brute force, since at worst we - * will overwrite the first byte of the create namelen - * in the XDR buffer, which has already been extracted - * during XDR decode. - */ - create->cr_linkname[create->cr_linklen] = 0; - status = nfsd_symlink(rqstp, &cstate->current_fh, create->cr_name, create->cr_namelen, create->cr_linkname, create->cr_linklen, diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index bc11bf68ec7f..86573350350e 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -602,7 +602,18 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create READ_BUF(4); READ32(create->cr_linklen); READ_BUF(create->cr_linklen); - SAVEMEM(create->cr_linkname, create->cr_linklen); + /* + * The VFS will want a null-terminated string, and + * null-terminating in place isn't safe since this might + * end on a page boundary: + */ + create->cr_linkname = + kmalloc(create->cr_linklen + 1, GFP_KERNEL); + if (!create->cr_linkname) + return nfserr_jukebox; + memcpy(create->cr_linkname, p, create->cr_linklen); + create->cr_linkname[create->cr_linklen] = '\0'; + defer_free(argp, kfree, create->cr_linkname); break; case NF4BLK: case NF4CHR: diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h index d6b01283f85c..29e9c7aa9c66 100644 --- a/include/uapi/linux/usb/functionfs.h +++ b/include/uapi/linux/usb/functionfs.h @@ -27,6 +27,13 @@ struct usb_endpoint_descriptor_no_audio { __u8 bInterval; } __attribute__((packed)); +/* Legacy format, deprecated as of 3.14. */ +struct usb_functionfs_descs_head { + __le32 magic; + __le32 length; + __le32 fs_count; + __le32 hs_count; +} __attribute__((packed, deprecated)); /* * All numbers must be in little endian order. diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 37e621606807..619b58d3fcdf 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1991,7 +1991,7 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid, if (!ab) return; audit_log_format(ab, "pid=%d uid=%u" - " old-auid=%u new-auid=%u old-ses=%u new-ses=%u" + " old-auid=%u auid=%u old-ses=%u ses=%u" " res=%d", current->pid, uid, oldloginuid, loginuid, oldsessionid, sessionid, diff --git a/kernel/sysctl.c b/kernel/sysctl.c index aae21e842918..c1b26e176aa6 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -139,7 +139,6 @@ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; -static int min_percpu_pagelist_fract = 8; static int ngroups_max = NGROUPS_MAX; static const int cap_last_cap = CAP_LAST_CAP; @@ -1324,7 +1323,7 @@ static struct ctl_table vm_table[] = { .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, .proc_handler = percpu_pagelist_fraction_sysctl_handler, - .extra1 = &min_percpu_pagelist_fract, + .extra1 = &zero, }, #ifdef CONFIG_MMU { diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f0831c22760c..fd21e601a891 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1355,7 +1355,6 @@ void tracing_start(void) arch_spin_unlock(&ftrace_max_lock); - ftrace_start(); out: raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); } @@ -1402,7 +1401,6 @@ void tracing_stop(void) struct ring_buffer *buffer; unsigned long flags; - ftrace_stop(); raw_spin_lock_irqsave(&global_trace.start_lock, flags); if (global_trace.stop_count++) goto out; diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 06a9bc0a3120..30dd6265a141 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2338,6 +2338,31 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma, update_mmu_cache(vma, address, ptep); } +static int is_hugetlb_entry_migration(pte_t pte) +{ + swp_entry_t swp; + + if (huge_pte_none(pte) || pte_present(pte)) + return 0; + swp = pte_to_swp_entry(pte); + if (non_swap_entry(swp) && is_migration_entry(swp)) + return 1; + else + return 0; +} + +static int is_hugetlb_entry_hwpoisoned(pte_t pte) +{ + swp_entry_t swp; + + if (huge_pte_none(pte) || pte_present(pte)) + return 0; + swp = pte_to_swp_entry(pte); + if (non_swap_entry(swp) && is_hwpoison_entry(swp)) + return 1; + else + return 0; +} int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, struct vm_area_struct *vma) @@ -2377,10 +2402,26 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, dst_ptl = huge_pte_lock(h, dst, dst_pte); src_ptl = huge_pte_lockptr(h, src, src_pte); spin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING); - if (!huge_pte_none(huge_ptep_get(src_pte))) { + entry = huge_ptep_get(src_pte); + if (huge_pte_none(entry)) { /* skip none entry */ + ; + } else if (unlikely(is_hugetlb_entry_migration(entry) || + is_hugetlb_entry_hwpoisoned(entry))) { + swp_entry_t swp_entry = pte_to_swp_entry(entry); + + if (is_write_migration_entry(swp_entry) && cow) { + /* + * COW mappings require pages in both + * parent and child to be set to read. + */ + make_migration_entry_read(&swp_entry); + entry = swp_entry_to_pte(swp_entry); + set_huge_pte_at(src, addr, src_pte, entry); + } + set_huge_pte_at(dst, addr, dst_pte, entry); + } else { if (cow) huge_ptep_set_wrprotect(src, addr, src_pte); - entry = huge_ptep_get(src_pte); ptepage = pte_page(entry); get_page(ptepage); page_dup_rmap(ptepage); @@ -2396,32 +2437,6 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, return ret; } -static int is_hugetlb_entry_migration(pte_t pte) -{ - swp_entry_t swp; - - if (huge_pte_none(pte) || pte_present(pte)) - return 0; - swp = pte_to_swp_entry(pte); - if (non_swap_entry(swp) && is_migration_entry(swp)) - return 1; - else - return 0; -} - -static int is_hugetlb_entry_hwpoisoned(pte_t pte) -{ - swp_entry_t swp; - - if (huge_pte_none(pte) || pte_present(pte)) - return 0; - swp = pte_to_swp_entry(pte); - if (non_swap_entry(swp) && is_hwpoison_entry(swp)) - return 1; - else - return 0; -} - void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start, unsigned long end, struct page *ref_page) diff --git a/mm/memory.c b/mm/memory.c index 49e930f9ed46..2121d8b8db56 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3756,9 +3756,6 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, } } - /* THP should already have been handled */ - BUG_ON(pmd_numa(*pmd)); - /* * Use __pte_alloc instead of pte_alloc_map, because we can't * run pte_offset_map on the pmd, if an huge pmd could diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 56224d998c39..9c6288aea4f9 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -653,19 +653,18 @@ static unsigned long change_prot_numa(struct vm_area_struct *vma, * @nodes and @flags,) it's isolated and queued to the pagelist which is * passed via @private.) */ -static struct vm_area_struct * +static int queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end, const nodemask_t *nodes, unsigned long flags, void *private) { - int err; - struct vm_area_struct *first, *vma, *prev; - + int err = 0; + struct vm_area_struct *vma, *prev; - first = find_vma(mm, start); - if (!first) - return ERR_PTR(-EFAULT); + vma = find_vma(mm, start); + if (!vma) + return -EFAULT; prev = NULL; - for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) { + for (; vma && vma->vm_start < end; vma = vma->vm_next) { unsigned long endvma = vma->vm_end; if (endvma > end) @@ -675,9 +674,9 @@ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end, if (!(flags & MPOL_MF_DISCONTIG_OK)) { if (!vma->vm_next && vma->vm_end < end) - return ERR_PTR(-EFAULT); + return -EFAULT; if (prev && prev->vm_end < vma->vm_start) - return ERR_PTR(-EFAULT); + return -EFAULT; } if (flags & MPOL_MF_LAZY) { @@ -691,15 +690,13 @@ queue_pages_range(struct mm_struct *mm, unsigned long start, unsigned long end, err = queue_pages_pgd_range(vma, start, endvma, nodes, flags, private); - if (err) { - first = ERR_PTR(err); + if (err) break; - } } next: prev = vma; } - return first; + return err; } /* @@ -1184,16 +1181,17 @@ out: /* * Allocate a new page for page migration based on vma policy. - * Start assuming that page is mapped by vma pointed to by @private. + * Start by assuming the page is mapped by the same vma as contains @start. * Search forward from there, if not. N.B., this assumes that the * list of pages handed to migrate_pages()--which is how we get here-- * is in virtual address order. */ -static struct page *new_vma_page(struct page *page, unsigned long private, int **x) +static struct page *new_page(struct page *page, unsigned long start, int **x) { - struct vm_area_struct *vma = (struct vm_area_struct *)private; + struct vm_area_struct *vma; unsigned long uninitialized_var(address); + vma = find_vma(current->mm, start); while (vma) { address = page_address_in_vma(page, vma); if (address != -EFAULT) @@ -1223,7 +1221,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from, return -ENOSYS; } -static struct page *new_vma_page(struct page *page, unsigned long private, int **x) +static struct page *new_page(struct page *page, unsigned long start, int **x) { return NULL; } @@ -1233,7 +1231,6 @@ static long do_mbind(unsigned long start, unsigned long len, unsigned short mode, unsigned short mode_flags, nodemask_t *nmask, unsigned long flags) { - struct vm_area_struct *vma; struct mm_struct *mm = current->mm; struct mempolicy *new; unsigned long end; @@ -1299,11 +1296,9 @@ static long do_mbind(unsigned long start, unsigned long len, if (err) goto mpol_out; - vma = queue_pages_range(mm, start, end, nmask, + err = queue_pages_range(mm, start, end, nmask, flags | MPOL_MF_INVERT, &pagelist); - - err = PTR_ERR(vma); /* maybe ... */ - if (!IS_ERR(vma)) + if (!err) err = mbind_range(mm, start, end, new); if (!err) { @@ -1311,9 +1306,8 @@ static long do_mbind(unsigned long start, unsigned long len, if (!list_empty(&pagelist)) { WARN_ON_ONCE(flags & MPOL_MF_LAZY); - nr_failed = migrate_pages(&pagelist, new_vma_page, - (unsigned long)vma, - MIGRATE_SYNC, MR_MEMPOLICY_MBIND); + nr_failed = migrate_pages(&pagelist, new_page, + start, MIGRATE_SYNC, MR_MEMPOLICY_MBIND); if (nr_failed) putback_movable_pages(&pagelist); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 4b5d4f6360d2..7e7f94755ab5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -69,6 +69,7 @@ /* prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields */ static DEFINE_MUTEX(pcp_batch_high_lock); +#define MIN_PERCPU_PAGELIST_FRACTION (8) #ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID DEFINE_PER_CPU(int, numa_node); @@ -798,9 +799,21 @@ void __init init_cma_reserved_pageblock(struct page *page) set_page_count(p, 0); } while (++p, --i); - set_page_refcounted(page); set_pageblock_migratetype(page, MIGRATE_CMA); - __free_pages(page, pageblock_order); + + if (pageblock_order >= MAX_ORDER) { + i = pageblock_nr_pages; + p = page; + do { + set_page_refcounted(p); + __free_pages(p, MAX_ORDER - 1); + p += MAX_ORDER_NR_PAGES; + } while (i -= MAX_ORDER_NR_PAGES); + } else { + set_page_refcounted(page); + __free_pages(page, pageblock_order); + } + adjust_managed_page_count(page, pageblock_nr_pages); } #endif @@ -4106,7 +4119,7 @@ static void __meminit zone_init_free_lists(struct zone *zone) memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY) #endif -static int __meminit zone_batchsize(struct zone *zone) +static int zone_batchsize(struct zone *zone) { #ifdef CONFIG_MMU int batch; @@ -4222,8 +4235,8 @@ static void pageset_set_high(struct per_cpu_pageset *p, pageset_update(&p->pcp, high, batch); } -static void __meminit pageset_set_high_and_batch(struct zone *zone, - struct per_cpu_pageset *pcp) +static void pageset_set_high_and_batch(struct zone *zone, + struct per_cpu_pageset *pcp) { if (percpu_pagelist_fraction) pageset_set_high(pcp, @@ -5848,23 +5861,38 @@ int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos) { struct zone *zone; - unsigned int cpu; + int old_percpu_pagelist_fraction; int ret; + mutex_lock(&pcp_batch_high_lock); + old_percpu_pagelist_fraction = percpu_pagelist_fraction; + ret = proc_dointvec_minmax(table, write, buffer, length, ppos); - if (!write || (ret < 0)) - return ret; + if (!write || ret < 0) + goto out; + + /* Sanity checking to avoid pcp imbalance */ + if (percpu_pagelist_fraction && + percpu_pagelist_fraction < MIN_PERCPU_PAGELIST_FRACTION) { + percpu_pagelist_fraction = old_percpu_pagelist_fraction; + ret = -EINVAL; + goto out; + } + + /* No change? */ + if (percpu_pagelist_fraction == old_percpu_pagelist_fraction) + goto out; - mutex_lock(&pcp_batch_high_lock); for_each_populated_zone(zone) { - unsigned long high; - high = zone->managed_pages / percpu_pagelist_fraction; + unsigned int cpu; + for_each_possible_cpu(cpu) - pageset_set_high(per_cpu_ptr(zone->pageset, cpu), - high); + pageset_set_high_and_batch(zone, + per_cpu_ptr(zone->pageset, cpu)); } +out: mutex_unlock(&pcp_batch_high_lock); - return 0; + return ret; } int hashdist = HASHDIST_DEFAULT; diff --git a/mm/slab.c b/mm/slab.c index b264214c77ea..6dd8d5f3a3ac 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -375,6 +375,39 @@ static void **dbg_userword(struct kmem_cache *cachep, void *objp) #endif +#define OBJECT_FREE (0) +#define OBJECT_ACTIVE (1) + +#ifdef CONFIG_DEBUG_SLAB_LEAK + +static void set_obj_status(struct page *page, int idx, int val) +{ + int freelist_size; + char *status; + struct kmem_cache *cachep = page->slab_cache; + + freelist_size = cachep->num * sizeof(unsigned int); + status = (char *)page->freelist + freelist_size; + status[idx] = val; +} + +static inline unsigned int get_obj_status(struct page *page, int idx) +{ + int freelist_size; + char *status; + struct kmem_cache *cachep = page->slab_cache; + + freelist_size = cachep->num * sizeof(unsigned int); + status = (char *)page->freelist + freelist_size; + + return status[idx]; +} + +#else +static inline void set_obj_status(struct page *page, int idx, int val) {} + +#endif + /* * Do not go above this order unless 0 objects fit into the slab or * overridden on the command line. @@ -565,9 +598,18 @@ static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep) return cachep->array[smp_processor_id()]; } -static size_t slab_mgmt_size(size_t nr_objs, size_t align) +static size_t calculate_freelist_size(int nr_objs, size_t align) { - return ALIGN(nr_objs * sizeof(unsigned int), align); + size_t freelist_size; + + freelist_size = nr_objs * sizeof(unsigned int); + if (IS_ENABLED(CONFIG_DEBUG_SLAB_LEAK)) + freelist_size += nr_objs * sizeof(char); + + if (align) + freelist_size = ALIGN(freelist_size, align); + + return freelist_size; } /* @@ -600,6 +642,10 @@ static void cache_estimate(unsigned long gfporder, size_t buffer_size, nr_objs = slab_size / buffer_size; } else { + int extra_space = 0; + + if (IS_ENABLED(CONFIG_DEBUG_SLAB_LEAK)) + extra_space = sizeof(char); /* * Ignore padding for the initial guess. The padding * is at most @align-1 bytes, and @buffer_size is at @@ -608,17 +654,18 @@ static void cache_estimate(unsigned long gfporder, size_t buffer_size, * into the memory allocation when taking the padding * into account. */ - nr_objs = (slab_size) / (buffer_size + sizeof(unsigned int)); + nr_objs = (slab_size) / + (buffer_size + sizeof(unsigned int) + extra_space); /* * This calculated number will be either the right * amount, or one greater than what we want. */ - if (slab_mgmt_size(nr_objs, align) + nr_objs*buffer_size - > slab_size) + if (calculate_freelist_size(nr_objs, align) > + slab_size - nr_objs * buffer_size) nr_objs--; - mgmt_size = slab_mgmt_size(nr_objs, align); + mgmt_size = calculate_freelist_size(nr_objs, align); } *num = nr_objs; *left_over = slab_size - nr_objs*buffer_size - mgmt_size; @@ -2011,13 +2058,16 @@ static size_t calculate_slab_order(struct kmem_cache *cachep, continue; if (flags & CFLGS_OFF_SLAB) { + size_t freelist_size_per_obj = sizeof(unsigned int); /* * Max number of objs-per-slab for caches which * use off-slab slabs. Needed to avoid a possible * looping condition in cache_grow(). */ + if (IS_ENABLED(CONFIG_DEBUG_SLAB_LEAK)) + freelist_size_per_obj += sizeof(char); offslab_limit = size; - offslab_limit /= sizeof(unsigned int); + offslab_limit /= freelist_size_per_obj; if (num > offslab_limit) break; @@ -2258,8 +2308,7 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) if (!cachep->num) return -E2BIG; - freelist_size = - ALIGN(cachep->num * sizeof(unsigned int), cachep->align); + freelist_size = calculate_freelist_size(cachep->num, cachep->align); /* * If the slab has been placed off-slab, and we have enough space then @@ -2272,7 +2321,7 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) if (flags & CFLGS_OFF_SLAB) { /* really off slab. No need for manual alignment */ - freelist_size = cachep->num * sizeof(unsigned int); + freelist_size = calculate_freelist_size(cachep->num, 0); #ifdef CONFIG_PAGE_POISONING /* If we're going to use the generic kernel_map_pages() @@ -2589,6 +2638,7 @@ static void cache_init_objs(struct kmem_cache *cachep, if (cachep->ctor) cachep->ctor(objp); #endif + set_obj_status(page, i, OBJECT_FREE); slab_freelist(page)[i] = i; } } @@ -2797,6 +2847,7 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp, BUG_ON(objnr >= cachep->num); BUG_ON(objp != index_to_obj(cachep, page, objnr)); + set_obj_status(page, objnr, OBJECT_FREE); if (cachep->flags & SLAB_POISON) { #ifdef CONFIG_DEBUG_PAGEALLOC if ((cachep->size % PAGE_SIZE)==0 && OFF_SLAB(cachep)) { @@ -2930,6 +2981,8 @@ static inline void cache_alloc_debugcheck_before(struct kmem_cache *cachep, static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, gfp_t flags, void *objp, unsigned long caller) { + struct page *page; + if (!objp) return objp; if (cachep->flags & SLAB_POISON) { @@ -2960,6 +3013,9 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, *dbg_redzone1(cachep, objp) = RED_ACTIVE; *dbg_redzone2(cachep, objp) = RED_ACTIVE; } + + page = virt_to_head_page(objp); + set_obj_status(page, obj_to_index(cachep, page, objp), OBJECT_ACTIVE); objp += obj_offset(cachep); if (cachep->ctor && cachep->flags & SLAB_POISON) cachep->ctor(objp); @@ -4201,21 +4257,12 @@ static void handle_slab(unsigned long *n, struct kmem_cache *c, struct page *page) { void *p; - int i, j; + int i; if (n[0] == n[1]) return; for (i = 0, p = page->s_mem; i < c->num; i++, p += c->size) { - bool active = true; - - for (j = page->active; j < c->num; j++) { - /* Skip freed item */ - if (slab_freelist(page)[j] == i) { - active = false; - break; - } - } - if (!active) + if (get_obj_status(page, i) != OBJECT_ACTIVE) continue; if (!add_caller(n, (unsigned long)*dbg_userword(c, p))) diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 9a6bc9df5e81..1c6e950b9ae7 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -759,7 +759,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) /* If we're already encrypted set the REAUTH_PEND flag, * otherwise set the ENCRYPT_PEND. */ - if (conn->key_type != 0xff) + if (conn->link_mode & HCI_LM_ENCRYPT) set_bit(HCI_CONN_REAUTH_PEND, &conn->flags); else set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 66ada7794ed0..2e8c5765e5ea 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -48,6 +48,10 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */ wake_up_bit(&hdev->flags, HCI_INQUIRY); + hci_dev_lock(hdev); + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + hci_dev_unlock(hdev); + hci_conn_check_pending(hdev); } @@ -3177,8 +3181,11 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev, /* If we're not the initiators request authorization to * proceed from user space (mgmt_user_confirm with - * confirm_hint set to 1). */ - if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { + * confirm_hint set to 1). The exception is if neither + * side had MITM in which case we do auto-accept. + */ + if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && + (loc_mitm || rem_mitm)) { BT_DBG("Confirming auto-accept as acceptor"); confirm_hint = 1; goto confirm; diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index d4b7702d900f..27ae84154586 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -778,11 +778,6 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, /*change security for LE channels */ if (chan->scid == L2CAP_CID_ATT) { - if (!conn->hcon->out) { - err = -EINVAL; - break; - } - if (smp_conn_security(conn->hcon, sec.level)) break; sk->sk_state = BT_CONFIG; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index a03ca3ca91bf..f1ac2a754acc 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2826,8 +2826,13 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, } if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { - /* Continue with pairing via SMP */ + /* Continue with pairing via SMP. The hdev lock must be + * released as SMP may try to recquire it for crypto + * purposes. + */ + hci_dev_unlock(hdev); err = smp_user_confirm_reply(conn, mgmt_op, passkey); + hci_dev_lock(hdev); if (!err) err = cmd_complete(sk, hdev->id, mgmt_op, diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index ebf80f3abd83..653ce5d9e6e0 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -34,8 +34,7 @@ static ssize_t ieee80211_if_read( ssize_t ret = -EINVAL; read_lock(&dev_base_lock); - if (sdata->dev->reg_state == NETREG_REGISTERED) - ret = (*format)(sdata, buf, sizeof(buf)); + ret = (*format)(sdata, buf, sizeof(buf)); read_unlock(&dev_base_lock); if (ret >= 0) @@ -62,8 +61,7 @@ static ssize_t ieee80211_if_write( ret = -ENODEV; rtnl_lock(); - if (sdata->dev->reg_state == NETREG_REGISTERED) - ret = (*write)(sdata, buf, count); + ret = (*write)(sdata, buf, count); rtnl_unlock(); return ret; diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 2796a198728f..ea7013cb7e52 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1655,6 +1655,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, sdata->u.ibss.control_port = params->control_port; sdata->u.ibss.userspace_handles_dfs = params->userspace_handles_dfs; sdata->u.ibss.basic_rates = params->basic_rates; + sdata->u.ibss.last_scan_completed = jiffies; /* fix basic_rates if channel does not support these rates */ rate_flags = ieee80211_chandef_rate_flags(¶ms->chandef); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 137a192e64bc..bedaeecdab97 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -240,6 +240,7 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta) sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr); + kfree(rcu_dereference_raw(sta->sta.rates)); kfree(sta); } diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 52ca952b802c..23247a0d2b69 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -517,6 +517,39 @@ static int nf_nat_proto_remove(struct nf_conn *i, void *data) return i->status & IPS_NAT_MASK ? 1 : 0; } +static int nf_nat_proto_clean(struct nf_conn *ct, void *data) +{ + struct nf_conn_nat *nat = nfct_nat(ct); + + if (nf_nat_proto_remove(ct, data)) + return 1; + + if (!nat || !nat->ct) + return 0; + + /* This netns is being destroyed, and conntrack has nat null binding. + * Remove it from bysource hash, as the table will be freed soon. + * + * Else, when the conntrack is destoyed, nf_nat_cleanup_conntrack() + * will delete entry from already-freed table. + */ + if (!del_timer(&ct->timeout)) + return 1; + + spin_lock_bh(&nf_nat_lock); + hlist_del_rcu(&nat->bysource); + ct->status &= ~IPS_NAT_DONE_MASK; + nat->ct = NULL; + spin_unlock_bh(&nf_nat_lock); + + add_timer(&ct->timeout); + + /* don't delete conntrack. Although that would make things a lot + * simpler, we'd end up flushing all conntracks on nat rmmod. + */ + return 0; +} + static void nf_nat_l4proto_clean(u8 l3proto, u8 l4proto) { struct nf_nat_proto_clean clean = { @@ -787,7 +820,7 @@ static void __net_exit nf_nat_net_exit(struct net *net) { struct nf_nat_proto_clean clean = {}; - nf_ct_iterate_cleanup(net, &nf_nat_proto_remove, &clean, 0, 0); + nf_ct_iterate_cleanup(net, nf_nat_proto_clean, &clean, 0, 0); synchronize_rcu(); nf_ct_free_hashtable(net->ct.nat_bysource, net->ct.nat_htable_size); } diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index ca3256d6fde3..ede4b92710aa 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -1488,7 +1488,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs, * on two reads of a counter updated every ms. */ if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2) - snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n", + dev_dbg_ratelimited(&subs->dev->dev, + "delay: estimated %d, actual %d\n", est_delay, subs->last_delay); if (!subs->running) { diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c index fe1e66b6ef40..a87e99f37c52 100644 --- a/tools/usb/ffs-test.c +++ b/tools/usb/ffs-test.c @@ -116,8 +116,8 @@ static const struct { .header = { .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC), .length = cpu_to_le32(sizeof descriptors), - .fs_count = 3, - .hs_count = 3, + .fs_count = cpu_to_le32(3), + .hs_count = cpu_to_le32(3), }, .fs_descs = { .intf = {