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Date: Mon, 16 Sep 2019 12:43:29 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 5.2.15
diff --git a/Makefile b/Makefile
index d019994462ba..3c977aa66650 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 2
-SUBLEVEL = 14
+SUBLEVEL = 15
EXTRAVERSION =
NAME = Bobtail Squid
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index f0fbbf6a6a1f..4f9bfe9fd960 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -101,21 +101,8 @@ static void check_if_tm_restore_required(struct task_struct *tsk)
}
}
-static bool tm_active_with_fp(struct task_struct *tsk)
-{
- return MSR_TM_ACTIVE(tsk->thread.regs->msr) &&
- (tsk->thread.ckpt_regs.msr & MSR_FP);
-}
-
-static bool tm_active_with_altivec(struct task_struct *tsk)
-{
- return MSR_TM_ACTIVE(tsk->thread.regs->msr) &&
- (tsk->thread.ckpt_regs.msr & MSR_VEC);
-}
#else
static inline void check_if_tm_restore_required(struct task_struct *tsk) { }
-static inline bool tm_active_with_fp(struct task_struct *tsk) { return false; }
-static inline bool tm_active_with_altivec(struct task_struct *tsk) { return false; }
#endif /* CONFIG_PPC_TRANSACTIONAL_MEM */
bool strict_msr_control;
@@ -252,7 +239,7 @@ EXPORT_SYMBOL(enable_kernel_fp);
static int restore_fp(struct task_struct *tsk)
{
- if (tsk->thread.load_fp || tm_active_with_fp(tsk)) {
+ if (tsk->thread.load_fp) {
load_fp_state(¤t->thread.fp_state);
current->thread.load_fp++;
return 1;
@@ -334,8 +321,7 @@ EXPORT_SYMBOL_GPL(flush_altivec_to_thread);
static int restore_altivec(struct task_struct *tsk)
{
- if (cpu_has_feature(CPU_FTR_ALTIVEC) &&
- (tsk->thread.load_vec || tm_active_with_altivec(tsk))) {
+ if (cpu_has_feature(CPU_FTR_ALTIVEC) && (tsk->thread.load_vec)) {
load_vr_state(&tsk->thread.vr_state);
tsk->thread.used_vr = 1;
tsk->thread.load_vec++;
@@ -497,13 +483,14 @@ void giveup_all(struct task_struct *tsk)
if (!tsk->thread.regs)
return;
+ check_if_tm_restore_required(tsk);
+
usermsr = tsk->thread.regs->msr;
if ((usermsr & msr_all_available) == 0)
return;
msr_check_and_set(msr_all_available);
- check_if_tm_restore_required(tsk);
WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC)));
diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c
index d4acf6fa0596..bf60983a58c7 100644
--- a/arch/powerpc/mm/nohash/tlb.c
+++ b/arch/powerpc/mm/nohash/tlb.c
@@ -630,7 +630,6 @@ static void early_init_this_mmu(void)
#ifdef CONFIG_PPC_FSL_BOOK3E
if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
unsigned int num_cams;
- int __maybe_unused cpu = smp_processor_id();
bool map = true;
/* use a quarter of the TLBCAM for bolted linear map */
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index cfe827cefad8..96d42f571a18 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -604,10 +604,9 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d)
u8 new_irqs;
int level, i;
u8 invert_irq_mask[MAX_BANK];
- int reg_direction[MAX_BANK];
+ u8 reg_direction[MAX_BANK];
- regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
- NBANK(chip));
+ pca953x_read_regs(chip, chip->regs->direction, reg_direction);
if (chip->driver_data & PCA_PCAL) {
/* Enable latch on interrupt-enabled inputs */
@@ -679,7 +678,7 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, u8 *pending)
bool pending_seen = false;
bool trigger_seen = false;
u8 trigger[MAX_BANK];
- int reg_direction[MAX_BANK];
+ u8 reg_direction[MAX_BANK];
int ret, i;
if (chip->driver_data & PCA_PCAL) {
@@ -710,8 +709,7 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, u8 *pending)
return false;
/* Remove output pins from the equation */
- regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
- NBANK(chip));
+ pca953x_read_regs(chip, chip->regs->direction, reg_direction);
for (i = 0; i < NBANK(chip); i++)
cur_stat[i] &= reg_direction[i];
@@ -768,7 +766,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
{
struct i2c_client *client = chip->client;
struct irq_chip *irq_chip = &chip->irq_chip;
- int reg_direction[MAX_BANK];
+ u8 reg_direction[MAX_BANK];
int ret, i;
if (!client->irq)
@@ -789,8 +787,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
* interrupt. We have to rely on the previous read for
* this purpose.
*/
- regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
- NBANK(chip));
+ pca953x_read_regs(chip, chip->regs->direction, reg_direction);
for (i = 0; i < NBANK(chip); i++)
chip->irq_stat[i] &= reg_direction[i];
mutex_init(&chip->irq_lock);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 13d6bd4e17b2..cf748b80e640 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2510,6 +2510,13 @@ enum i915_power_well_id {
#define RING_WAIT_SEMAPHORE (1 << 10) /* gen6+ */
#define RING_FORCE_TO_NONPRIV(base, i) _MMIO(((base) + 0x4D0) + (i) * 4)
+#define RING_FORCE_TO_NONPRIV_RW (0 << 28) /* CFL+ & Gen11+ */
+#define RING_FORCE_TO_NONPRIV_RD (1 << 28)
+#define RING_FORCE_TO_NONPRIV_WR (2 << 28)
+#define RING_FORCE_TO_NONPRIV_RANGE_1 (0 << 0) /* CFL+ & Gen11+ */
+#define RING_FORCE_TO_NONPRIV_RANGE_4 (1 << 0)
+#define RING_FORCE_TO_NONPRIV_RANGE_16 (2 << 0)
+#define RING_FORCE_TO_NONPRIV_RANGE_64 (3 << 0)
#define RING_MAX_NONPRIV_SLOTS 12
#define GEN7_TLB_RD_ADDR _MMIO(0x4700)
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
index ae40a8679314..fd5236da039f 100644
--- a/drivers/gpu/drm/i915/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/intel_cdclk.c
@@ -2269,6 +2269,17 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9)
min_cdclk = max(2 * 96000, min_cdclk);
+ /*
+ * "For DP audio configuration, cdclk frequency shall be set to
+ * meet the following requirements:
+ * DP Link Frequency(MHz) | Cdclk frequency(MHz)
+ * 270 | 320 or higher
+ * 162 | 200 or higher"
+ */
+ if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+ intel_crtc_has_dp_encoder(crtc_state) && crtc_state->has_audio)
+ min_cdclk = max(crtc_state->port_clock, min_cdclk);
+
/*
* On Valleyview some DSI panels lose (v|h)sync when the clock is lower
* than 320000KHz.
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 841b8e515f4d..edd57a5e0495 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -981,7 +981,7 @@ bool intel_gt_verify_workarounds(struct drm_i915_private *i915,
}
static void
-whitelist_reg(struct i915_wa_list *wal, i915_reg_t reg)
+whitelist_reg_ext(struct i915_wa_list *wal, i915_reg_t reg, u32 flags)
{
struct i915_wa wa = {
.reg = reg
@@ -990,9 +990,16 @@ whitelist_reg(struct i915_wa_list *wal, i915_reg_t reg)
if (GEM_DEBUG_WARN_ON(wal->count >= RING_MAX_NONPRIV_SLOTS))
return;
+ wa.reg.reg |= flags;
_wa_add(wal, &wa);
}
+static void
+whitelist_reg(struct i915_wa_list *wal, i915_reg_t reg)
+{
+ whitelist_reg_ext(wal, reg, RING_FORCE_TO_NONPRIV_RW);
+}
+
static void gen9_whitelist_build(struct i915_wa_list *w)
{
/* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt,glk,cfl */
@@ -1005,56 +1012,131 @@ static void gen9_whitelist_build(struct i915_wa_list *w)
whitelist_reg(w, GEN8_HDC_CHICKEN1);
}
-static void skl_whitelist_build(struct i915_wa_list *w)
+static void skl_whitelist_build(struct intel_engine_cs *engine)
{
+ struct i915_wa_list *w = &engine->whitelist;
+
+ if (engine->class != RENDER_CLASS)
+ return;
+
gen9_whitelist_build(w);
/* WaDisableLSQCROPERFforOCL:skl */
whitelist_reg(w, GEN8_L3SQCREG4);
}
-static void bxt_whitelist_build(struct i915_wa_list *w)
+static void bxt_whitelist_build(struct intel_engine_cs *engine)
{
- gen9_whitelist_build(w);
+ if (engine->class != RENDER_CLASS)
+ return;
+
+ gen9_whitelist_build(&engine->whitelist);
}
-static void kbl_whitelist_build(struct i915_wa_list *w)
+static void kbl_whitelist_build(struct intel_engine_cs *engine)
{
+ struct i915_wa_list *w = &engine->whitelist;
+
+ if (engine->class != RENDER_CLASS)
+ return;
+
gen9_whitelist_build(w);
/* WaDisableLSQCROPERFforOCL:kbl */
whitelist_reg(w, GEN8_L3SQCREG4);
}
-static void glk_whitelist_build(struct i915_wa_list *w)
+static void glk_whitelist_build(struct intel_engine_cs *engine)
{
+ struct i915_wa_list *w = &engine->whitelist;
+
+ if (engine->class != RENDER_CLASS)
+ return;
+
gen9_whitelist_build(w);
/* WA #0862: Userspace has to set "Barrier Mode" to avoid hangs. */
whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1);
}
-static void cfl_whitelist_build(struct i915_wa_list *w)
+static void cfl_whitelist_build(struct intel_engine_cs *engine)
{
+ struct i915_wa_list *w = &engine->whitelist;
+
+ if (engine->class != RENDER_CLASS)
+ return;
+
gen9_whitelist_build(w);
+
+ /*
+ * WaAllowPMDepthAndInvocationCountAccessFromUMD:cfl,whl,cml,aml
+ *
+ * This covers 4 register which are next to one another :
+ * - PS_INVOCATION_COUNT
+ * - PS_INVOCATION_COUNT_UDW
+ * - PS_DEPTH_COUNT
+ * - PS_DEPTH_COUNT_UDW
+ */
+ whitelist_reg_ext(w, PS_INVOCATION_COUNT,
+ RING_FORCE_TO_NONPRIV_RD |
+ RING_FORCE_TO_NONPRIV_RANGE_4);
}
-static void cnl_whitelist_build(struct i915_wa_list *w)
+static void cnl_whitelist_build(struct intel_engine_cs *engine)
{
+ struct i915_wa_list *w = &engine->whitelist;
+
+ if (engine->class != RENDER_CLASS)
+ return;
+
/* WaEnablePreemptionGranularityControlByUMD:cnl */
whitelist_reg(w, GEN8_CS_CHICKEN1);
}
-static void icl_whitelist_build(struct i915_wa_list *w)
+static void icl_whitelist_build(struct intel_engine_cs *engine)
{
- /* WaAllowUMDToModifyHalfSliceChicken7:icl */
- whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7);
+ struct i915_wa_list *w = &engine->whitelist;
- /* WaAllowUMDToModifySamplerMode:icl */
- whitelist_reg(w, GEN10_SAMPLER_MODE);
+ switch (engine->class) {
+ case RENDER_CLASS:
+ /* WaAllowUMDToModifyHalfSliceChicken7:icl */
+ whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7);
- /* WaEnableStateCacheRedirectToCS:icl */
- whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1);
+ /* WaAllowUMDToModifySamplerMode:icl */
+ whitelist_reg(w, GEN10_SAMPLER_MODE);
+
+ /* WaEnableStateCacheRedirectToCS:icl */
+ whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1);
+
+ /*
+ * WaAllowPMDepthAndInvocationCountAccessFromUMD:icl
+ *
+ * This covers 4 register which are next to one another :
+ * - PS_INVOCATION_COUNT
+ * - PS_INVOCATION_COUNT_UDW
+ * - PS_DEPTH_COUNT
+ * - PS_DEPTH_COUNT_UDW
+ */
+ whitelist_reg_ext(w, PS_INVOCATION_COUNT,
+ RING_FORCE_TO_NONPRIV_RD |
+ RING_FORCE_TO_NONPRIV_RANGE_4);
+ break;
+
+ case VIDEO_DECODE_CLASS:
+ /* hucStatusRegOffset */
+ whitelist_reg_ext(w, _MMIO(0x2000 + engine->mmio_base),
+ RING_FORCE_TO_NONPRIV_RD);
+ /* hucUKernelHdrInfoRegOffset */
+ whitelist_reg_ext(w, _MMIO(0x2014 + engine->mmio_base),
+ RING_FORCE_TO_NONPRIV_RD);
+ /* hucStatus2RegOffset */
+ whitelist_reg_ext(w, _MMIO(0x23B0 + engine->mmio_base),
+ RING_FORCE_TO_NONPRIV_RD);
+ break;
+
+ default:
+ break;
+ }
}
void intel_engine_init_whitelist(struct intel_engine_cs *engine)
@@ -1062,24 +1144,22 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine)
struct drm_i915_private *i915 = engine->i915;
struct i915_wa_list *w = &engine->whitelist;
- GEM_BUG_ON(engine->id != RCS0);
-
wa_init_start(w, "whitelist");
if (IS_GEN(i915, 11))
- icl_whitelist_build(w);
+ icl_whitelist_build(engine);
else if (IS_CANNONLAKE(i915))
- cnl_whitelist_build(w);
+ cnl_whitelist_build(engine);
else if (IS_COFFEELAKE(i915))
- cfl_whitelist_build(w);
+ cfl_whitelist_build(engine);
else if (IS_GEMINILAKE(i915))
- glk_whitelist_build(w);
+ glk_whitelist_build(engine);
else if (IS_KABYLAKE(i915))
- kbl_whitelist_build(w);
+ kbl_whitelist_build(engine);
else if (IS_BROXTON(i915))
- bxt_whitelist_build(w);
+ bxt_whitelist_build(engine);
else if (IS_SKYLAKE(i915))
- skl_whitelist_build(w);
+ skl_whitelist_build(engine);
else if (INTEL_GEN(i915) <= 8)
return;
else
@@ -1167,8 +1247,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
if (IS_ICL_REVID(i915, ICL_REVID_A0, ICL_REVID_B0))
wa_write_or(wal,
GEN7_SARCHKMD,
- GEN7_DISABLE_DEMAND_PREFETCH |
- GEN7_DISABLE_SAMPLER_PREFETCH);
+ GEN7_DISABLE_DEMAND_PREFETCH);
+
+ /* Wa_1606682166:icl */
+ wa_write_or(wal,
+ GEN7_SARCHKMD,
+ GEN7_DISABLE_SAMPLER_PREFETCH);
}
if (IS_GEN_RANGE(i915, 9, 11)) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gp102.c
index 84a2f243ed9b..4695f1c8e33f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gp102.c
@@ -190,6 +190,9 @@ MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin");
MODULE_FIRMWARE("nvidia/gp102/sec2/desc.bin");
MODULE_FIRMWARE("nvidia/gp102/sec2/image.bin");
MODULE_FIRMWARE("nvidia/gp102/sec2/sig.bin");
+MODULE_FIRMWARE("nvidia/gp102/sec2/desc-1.bin");
+MODULE_FIRMWARE("nvidia/gp102/sec2/image-1.bin");
+MODULE_FIRMWARE("nvidia/gp102/sec2/sig-1.bin");
MODULE_FIRMWARE("nvidia/gp104/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gp104/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/gp104/acr/ucode_load.bin");
@@ -210,6 +213,9 @@ MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin");
MODULE_FIRMWARE("nvidia/gp104/sec2/desc.bin");
MODULE_FIRMWARE("nvidia/gp104/sec2/image.bin");
MODULE_FIRMWARE("nvidia/gp104/sec2/sig.bin");
+MODULE_FIRMWARE("nvidia/gp104/sec2/desc-1.bin");
+MODULE_FIRMWARE("nvidia/gp104/sec2/image-1.bin");
+MODULE_FIRMWARE("nvidia/gp104/sec2/sig-1.bin");
MODULE_FIRMWARE("nvidia/gp106/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gp106/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/gp106/acr/ucode_load.bin");
@@ -230,6 +236,9 @@ MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin");
MODULE_FIRMWARE("nvidia/gp106/sec2/desc.bin");
MODULE_FIRMWARE("nvidia/gp106/sec2/image.bin");
MODULE_FIRMWARE("nvidia/gp106/sec2/sig.bin");
+MODULE_FIRMWARE("nvidia/gp106/sec2/desc-1.bin");
+MODULE_FIRMWARE("nvidia/gp106/sec2/image-1.bin");
+MODULE_FIRMWARE("nvidia/gp106/sec2/sig-1.bin");
MODULE_FIRMWARE("nvidia/gp107/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gp107/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/gp107/acr/ucode_load.bin");
@@ -250,3 +259,6 @@ MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin");
MODULE_FIRMWARE("nvidia/gp107/sec2/desc.bin");
MODULE_FIRMWARE("nvidia/gp107/sec2/image.bin");
MODULE_FIRMWARE("nvidia/gp107/sec2/sig.bin");
+MODULE_FIRMWARE("nvidia/gp107/sec2/desc-1.bin");
+MODULE_FIRMWARE("nvidia/gp107/sec2/image-1.bin");
+MODULE_FIRMWARE("nvidia/gp107/sec2/sig-1.bin");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index 59e9d05ab928..0af048d1a815 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -353,7 +353,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
!!(HIGH_WORD(ecx) & MESSAGE_STATUS_HB));
if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) == 0) {
kfree(reply);
-
+ reply = NULL;
if ((HIGH_WORD(ebx) & MESSAGE_STATUS_CPT) != 0) {
/* A checkpoint occurred. Retry. */
continue;
@@ -377,7 +377,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) {
kfree(reply);
-
+ reply = NULL;
if ((HIGH_WORD(ecx) & MESSAGE_STATUS_CPT) != 0) {
/* A checkpoint occurred. Retry. */
continue;
@@ -389,10 +389,8 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
break;
}
- if (retries == RETRIES) {
- kfree(reply);
+ if (!reply)
return -EINVAL;
- }
*msg_len = reply_len;
*msg = reply;
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 7c8cfb149da0..5c0d90418e8c 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -1830,23 +1830,13 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah)
}
while (qp->s_last != qp->s_acked) {
- u32 s_last;
-
wqe = rvt_get_swqe_ptr(qp, qp->s_last);
if (cmp_psn(wqe->lpsn, qp->s_sending_psn) >= 0 &&
cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
break;
trdma_clean_swqe(qp, wqe);
- rvt_qp_wqe_unreserve(qp, wqe);
- s_last = qp->s_last;
- trace_hfi1_qp_send_completion(qp, wqe, s_last);
- if (++s_last >= qp->s_size)
- s_last = 0;
- qp->s_last = s_last;
- /* see post_send() */
- barrier();
- rvt_put_qp_swqe(qp, wqe);
- rvt_qp_swqe_complete(qp,
+ trace_hfi1_qp_send_completion(qp, wqe, qp->s_last);
+ rvt_qp_complete_swqe(qp,
wqe,
ib_hfi1_wc_opcode[wqe->wr.opcode],
IB_WC_SUCCESS);
@@ -1890,19 +1880,9 @@ struct rvt_swqe *do_rc_completion(struct rvt_qp *qp,
trace_hfi1_rc_completion(qp, wqe->lpsn);
if (cmp_psn(wqe->lpsn, qp->s_sending_psn) < 0 ||
cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
- u32 s_last;
-
trdma_clean_swqe(qp, wqe);
- rvt_put_qp_swqe(qp, wqe);
- rvt_qp_wqe_unreserve(qp, wqe);
- s_last = qp->s_last;
- trace_hfi1_qp_send_completion(qp, wqe, s_last);
- if (++s_last >= qp->s_size)
- s_last = 0;
- qp->s_last = s_last;
- /* see post_send() */
- barrier();
- rvt_qp_swqe_complete(qp,
+ trace_hfi1_qp_send_completion(qp, wqe, qp->s_last);
+ rvt_qp_complete_swqe(qp,
wqe,
ib_hfi1_wc_opcode[wqe->wr.opcode],
IB_WC_SUCCESS);
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 2ac4c67f5ba1..8d9a94d6f685 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -921,20 +921,11 @@ void qib_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr)
rvt_add_retry_timer(qp);
while (qp->s_last != qp->s_acked) {
- u32 s_last;
-
wqe = rvt_get_swqe_ptr(qp, qp->s_last);
if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) >= 0 &&
qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
break;
- s_last = qp->s_last;
- if (++s_last >= qp->s_size)
- s_last = 0;
- qp->s_last = s_last;
- /* see post_send() */
- barrier();
- rvt_put_qp_swqe(qp, wqe);
- rvt_qp_swqe_complete(qp,
+ rvt_qp_complete_swqe(qp,
wqe,
ib_qib_wc_opcode[wqe->wr.opcode],
IB_WC_SUCCESS);
@@ -972,21 +963,12 @@ static struct rvt_swqe *do_rc_completion(struct rvt_qp *qp,
* is finished.
*/
if (qib_cmp24(wqe->lpsn, qp->s_sending_psn) < 0 ||
- qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
- u32 s_last;
-
- rvt_put_qp_swqe(qp, wqe);
- s_last = qp->s_last;
- if (++s_last >= qp->s_size)
- s_last = 0;
- qp->s_last = s_last;
- /* see post_send() */
- barrier();
- rvt_qp_swqe_complete(qp,
+ qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0)
+ rvt_qp_complete_swqe(qp,
wqe,
ib_qib_wc_opcode[wqe->wr.opcode],
IB_WC_SUCCESS);
- } else
+ else
this_cpu_inc(*ibp->rvp.rc_delayed_comp);
qp->s_retry = qp->s_retry_cnt;
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index c5a50614a6c6..cb9e171d7e7b 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1856,10 +1856,9 @@ static inline int rvt_qp_is_avail(
/* see rvt_qp_wqe_unreserve() */
smp_mb__before_atomic();
- reserved_used = atomic_read(&qp->s_reserved_used);
if (unlikely(reserved_op)) {
/* see rvt_qp_wqe_unreserve() */
- smp_mb__before_atomic();
+ reserved_used = atomic_read(&qp->s_reserved_used);
if (reserved_used >= rdi->dparms.reserved_operations)
return -ENOMEM;
return 0;
@@ -1867,14 +1866,13 @@ static inline int rvt_qp_is_avail(
/* non-reserved operations */
if (likely(qp->s_avail))
return 0;
- slast = READ_ONCE(qp->s_last);
+ /* See rvt_qp_complete_swqe() */
+ slast = smp_load_acquire(&qp->s_last);
if (qp->s_head >= slast)
avail = qp->s_size - (qp->s_head - slast);
else
avail = slast - qp->s_head;
- /* see rvt_qp_wqe_unreserve() */
- smp_mb__before_atomic();
reserved_used = atomic_read(&qp->s_reserved_used);
avail = avail - 1 -
(rdi->dparms.reserved_operations - reserved_used);
@@ -2667,27 +2665,16 @@ void rvt_send_complete(struct rvt_qp *qp, struct rvt_swqe *wqe,
enum ib_wc_status status)
{
u32 old_last, last;
- struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device);
+ struct rvt_dev_info *rdi;
if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_OR_FLUSH_SEND))
return;
+ rdi = ib_to_rvt(qp->ibqp.device);
- last = qp->s_last;
- old_last = last;
- trace_rvt_qp_send_completion(qp, wqe, last);
- if (++last >= qp->s_size)
- last = 0;
- trace_rvt_qp_send_completion(qp, wqe, last);
- qp->s_last = last;
- /* See post_send() */
- barrier();
- rvt_put_qp_swqe(qp, wqe);
-
- rvt_qp_swqe_complete(qp,
- wqe,
- rdi->wc_opcode[wqe->wr.opcode],
- status);
-
+ old_last = qp->s_last;
+ trace_rvt_qp_send_completion(qp, wqe, old_last);
+ last = rvt_qp_complete_swqe(qp, wqe, rdi->wc_opcode[wqe->wr.opcode],
+ status);
if (qp->s_acked == old_last)
qp->s_acked = last;
if (qp->s_cur == old_last)
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 773f5fdad25f..5cf3247e8afb 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -35,7 +35,7 @@
#include <linux/rcupdate.h>
#include <linux/sched/clock.h>
#include <linux/rculist.h>
-
+#include <linux/delay.h>
#include <trace/events/bcache.h>
/*
@@ -655,7 +655,25 @@ static int mca_reap(struct btree *b, unsigned int min_order, bool flush)
up(&b->io_mutex);
}
+retry:
+ /*
+ * BTREE_NODE_dirty might be cleared in btree_flush_btree() by
+ * __bch_btree_node_write(). To avoid an extra flush, acquire
+ * b->write_lock before checking BTREE_NODE_dirty bit.
+ */
mutex_lock(&b->write_lock);
+ /*
+ * If this btree node is selected in btree_flush_write() by journal
+ * code, delay and retry until the node is flushed by journal code
+ * and BTREE_NODE_journal_flush bit cleared by btree_flush_write().
+ */
+ if (btree_node_journal_flush(b)) {
+ pr_debug("bnode %p is flushing by journal, retry", b);
+ mutex_unlock(&b->write_lock);
+ udelay(1);
+ goto retry;
+ }
+
if (btree_node_dirty(b))
__bch_btree_node_write(b, &cl);
mutex_unlock(&b->write_lock);
@@ -778,10 +796,15 @@ void bch_btree_cache_free(struct cache_set *c)
while (!list_empty(&c->btree_cache)) {
b = list_first_entry(&c->btree_cache, struct btree, list);
- if (btree_node_dirty(b))
+ /*
+ * This function is called by cache_set_free(), no I/O
+ * request on cache now, it is unnecessary to acquire
+ * b->write_lock before clearing BTREE_NODE_dirty anymore.
+ */
+ if (btree_node_dirty(b)) {
btree_complete_write(b, btree_current_write(b));
- clear_bit(BTREE_NODE_dirty, &b->flags);
-
+ clear_bit(BTREE_NODE_dirty, &b->flags);
+ }
mca_data_free(b);
}
@@ -1067,11 +1090,25 @@ static void btree_node_free(struct btree *b)
BUG_ON(b == b->c->root);
+retry:
mutex_lock(&b->write_lock);
+ /*
+ * If the btree node is selected and flushing in btree_flush_write(),
+ * delay and retry until the BTREE_NODE_journal_flush bit cleared,
+ * then it is safe to free the btree node here. Otherwise this btree
+ * node will be in race condition.
+ */
+ if (btree_node_journal_flush(b)) {
+ mutex_unlock(&b->write_lock);
+ pr_debug("bnode %p journal_flush set, retry", b);
+ udelay(1);
+ goto retry;
+ }
- if (btree_node_dirty(b))
+ if (btree_node_dirty(b)) {
btree_complete_write(b, btree_current_write(b));
- clear_bit(BTREE_NODE_dirty, &b->flags);
+ clear_bit(BTREE_NODE_dirty, &b->flags);
+ }
mutex_unlock(&b->write_lock);
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h
index d1c72ef64edf..76cfd121a486 100644
--- a/drivers/md/bcache/btree.h
+++ b/drivers/md/bcache/btree.h
@@ -158,11 +158,13 @@ enum btree_flags {
BTREE_NODE_io_error,
BTREE_NODE_dirty,
BTREE_NODE_write_idx,
+ BTREE_NODE_journal_flush,
};
BTREE_FLAG(io_error);
BTREE_FLAG(dirty);
BTREE_FLAG(write_idx);
+BTREE_FLAG(journal_flush);
static inline struct btree_write *btree_current_write(struct btree *b)
{
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index cae2aff5e27a..33556acdcf9c 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -405,6 +405,7 @@ static void btree_flush_write(struct cache_set *c)
retry:
best = NULL;
+ mutex_lock(&c->bucket_lock);
for_each_cached_btree(b, c, i)
if (btree_current_write(b)->journal) {
if (!best)
@@ -417,9 +418,14 @@ static void btree_flush_write(struct cache_set *c)
}
b = best;
+ if (b)
+ set_btree_node_journal_flush(b);
+ mutex_unlock(&c->bucket_lock);
+
if (b) {
mutex_lock(&b->write_lock);
if (!btree_current_write(b)->journal) {
+ clear_bit(BTREE_NODE_journal_flush, &b->flags);
mutex_unlock(&b->write_lock);
/* We raced */
atomic_long_inc(&c->retry_flush_write);
@@ -427,6 +433,7 @@ static void btree_flush_write(struct cache_set *c)
}
__bch_btree_node_write(b, NULL);
+ clear_bit(BTREE_NODE_journal_flush, &b->flags);
mutex_unlock(&b->write_lock);
}
}
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index b3a130a9ee23..1604f512c7bd 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -883,7 +883,7 @@ static int sdhci_acpi_runtime_resume(struct device *dev)
sdhci_acpi_byt_setting(&c->pdev->dev);
- return sdhci_runtime_resume_host(c->host);
+ return sdhci_runtime_resume_host(c->host, 0);
}
#endif
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index c391510e9ef4..776a94216248 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1705,7 +1705,7 @@ static int sdhci_esdhc_runtime_resume(struct device *dev)
esdhc_pltfm_set_clock(host, imx_data->actual_clock);
}
- err = sdhci_runtime_resume_host(host);
+ err = sdhci_runtime_resume_host(host, 0);
if (err)
goto disable_ipg_clk;
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index d4993582f0f6..e7d1920729fb 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -289,7 +289,7 @@ static int sdhci_at91_runtime_resume(struct device *dev)
}
out:
- return sdhci_runtime_resume_host(host);
+ return sdhci_runtime_resume_host(host, 0);
}
#endif /* CONFIG_PM */
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 4154ee11b47d..267b90374fa4 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -167,7 +167,7 @@ static int sdhci_pci_runtime_suspend_host(struct sdhci_pci_chip *chip)
err_pci_runtime_suspend:
while (--i >= 0)
- sdhci_runtime_resume_host(chip->slots[i]->host);
+ sdhci_runtime_resume_host(chip->slots[i]->host, 0);
return ret;
}
@@ -181,7 +181,7 @@ static int sdhci_pci_runtime_resume_host(struct sdhci_pci_chip *chip)
if (!slot)
continue;
- ret = sdhci_runtime_resume_host(slot->host);
+ ret = sdhci_runtime_resume_host(slot->host, 0);
if (ret)
return ret;
}
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index 3ddecf479295..e55037ceda73 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -554,7 +554,7 @@ static int sdhci_pxav3_runtime_resume(struct device *dev)
if (!IS_ERR(pxa->clk_core))
clk_prepare_enable(pxa->clk_core);
- return sdhci_runtime_resume_host(host);
+ return sdhci_runtime_resume_host(host, 0);
}
#endif
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 8e4a8ba33f05..f5753aef7151 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -745,7 +745,7 @@ static int sdhci_s3c_runtime_resume(struct device *dev)
clk_prepare_enable(busclk);
if (ourhost->cur_clk >= 0)
clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);
- ret = sdhci_runtime_resume_host(host);
+ ret = sdhci_runtime_resume_host(host, 0);
return ret;
}
#endif
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index fc892a8d882f..53f3af53b3fb 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -497,7 +497,7 @@ static int sdhci_sprd_runtime_resume(struct device *dev)
return ret;
}
- sdhci_runtime_resume_host(host);
+ sdhci_runtime_resume_host(host, 1);
return 0;
}
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index 8a18f14cf842..1dea1ba66f7b 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -638,7 +638,7 @@ static int xenon_runtime_resume(struct device *dev)
priv->restore_needed = false;
}
- ret = sdhci_runtime_resume_host(host);
+ ret = sdhci_runtime_resume_host(host, 0);
if (ret)
goto out;
return 0;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 59acf8e3331e..a5dc5aae973e 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3320,7 +3320,7 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host)
}
EXPORT_SYMBOL_GPL(sdhci_runtime_suspend_host);
-int sdhci_runtime_resume_host(struct sdhci_host *host)
+int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset)
{
struct mmc_host *mmc = host->mmc;
unsigned long flags;
@@ -3331,7 +3331,7 @@ int sdhci_runtime_resume_host(struct sdhci_host *host)
host->ops->enable_dma(host);
}
- sdhci_init(host, 0);
+ sdhci_init(host, soft_reset);
if (mmc->ios.power_mode != MMC_POWER_UNDEFINED &&
mmc->ios.power_mode != MMC_POWER_OFF) {
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 199712e7adbb..d2c7c9c436c9 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -781,7 +781,7 @@ void sdhci_adma_write_desc(struct sdhci_host *host, void **desc,
int sdhci_suspend_host(struct sdhci_host *host);
int sdhci_resume_host(struct sdhci_host *host);
int sdhci_runtime_suspend_host(struct sdhci_host *host);
-int sdhci_runtime_resume_host(struct sdhci_host *host);
+int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset);
#endif
void sdhci_cqe_enable(struct mmc_host *mmc);
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 6a3076881321..8d47ad61bac3 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -132,6 +132,7 @@ struct airq_info {
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static DEFINE_MUTEX(airq_areas_lock);
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -244,9 +245,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
unsigned long bit, flags;
for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
+ mutex_lock(&airq_areas_lock);
if (!airq_areas[i])
airq_areas[i] = new_airq_info();
info = airq_areas[i];
+ mutex_unlock(&airq_areas_lock);
if (!info)
return 0;
write_lock_irqsave(&info->lock, flags);
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index ceec8d5985d4..5faae96735e6 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -13,6 +13,7 @@
#include <linux/usb/of.h>
#include <linux/clk.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/pm_qos.h>
#include "ci.h"
#include "ci_hdrc_imx.h"
@@ -63,6 +64,11 @@ static const struct ci_hdrc_imx_platform_flag imx7d_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM,
};
+static const struct ci_hdrc_imx_platform_flag imx7ulp_usb_data = {
+ .flags = CI_HDRC_SUPPORTS_RUNTIME_PM |
+ CI_HDRC_PMQOS,
+};
+
static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
{ .compatible = "fsl,imx23-usb", .data = &imx23_usb_data},
{ .compatible = "fsl,imx28-usb", .data = &imx28_usb_data},
@@ -72,6 +78,7 @@ static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
{ .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data},
{ .compatible = "fsl,imx6ul-usb", .data = &imx6ul_usb_data},
{ .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
+ { .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
@@ -93,6 +100,8 @@ struct ci_hdrc_imx_data {
struct clk *clk_ahb;
struct clk *clk_per;
/* --------------------------------- */
+ struct pm_qos_request pm_qos_req;
+ const struct ci_hdrc_imx_platform_flag *plat_data;
};
/* Common functions shared by usbmisc drivers */
@@ -309,6 +318,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
if (!data)
return -ENOMEM;
+ data->plat_data = imx_platform_flag;
+ pdata.flags |= imx_platform_flag->flags;
platform_set_drvdata(pdev, data);
data->usbmisc_data = usbmisc_get_init_data(dev);
if (IS_ERR(data->usbmisc_data))
@@ -369,6 +380,11 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
}
}
}
+
+ if (pdata.flags & CI_HDRC_PMQOS)
+ pm_qos_add_request(&data->pm_qos_req,
+ PM_QOS_CPU_DMA_LATENCY, 0);
+
ret = imx_get_clks(dev);
if (ret)
goto disable_hsic_regulator;
@@ -396,7 +412,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
usb_phy_init(pdata.usb_phy);
}
- pdata.flags |= imx_platform_flag->flags;
if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM)
data->supports_runtime_pm = true;
@@ -438,7 +453,11 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
imx_disable_unprepare_clks(dev);
disable_hsic_regulator:
if (data->hsic_pad_regulator)
- ret = regulator_disable(data->hsic_pad_regulator);
+ /* don't overwrite original ret (cf. EPROBE_DEFER) */
+ regulator_disable(data->hsic_pad_regulator);
+ if (pdata.flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+ data->ci_pdev = NULL;
return ret;
}
@@ -451,12 +470,17 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
}
- ci_hdrc_remove_device(data->ci_pdev);
+ if (data->ci_pdev)
+ ci_hdrc_remove_device(data->ci_pdev);
if (data->override_phy_control)
usb_phy_shutdown(data->phy);
- imx_disable_unprepare_clks(&pdev->dev);
- if (data->hsic_pad_regulator)
- regulator_disable(data->hsic_pad_regulator);
+ if (data->ci_pdev) {
+ imx_disable_unprepare_clks(&pdev->dev);
+ if (data->plat_data->flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+ if (data->hsic_pad_regulator)
+ regulator_disable(data->hsic_pad_regulator);
+ }
return 0;
}
@@ -480,6 +504,9 @@ static int __maybe_unused imx_controller_suspend(struct device *dev)
}
imx_disable_unprepare_clks(dev);
+ if (data->plat_data->flags & CI_HDRC_PMQOS)
+ pm_qos_remove_request(&data->pm_qos_req);
+
data->in_lpm = true;
return 0;
@@ -497,6 +524,10 @@ static int __maybe_unused imx_controller_resume(struct device *dev)
return 0;
}
+ if (data->plat_data->flags & CI_HDRC_PMQOS)
+ pm_qos_add_request(&data->pm_qos_req,
+ PM_QOS_CPU_DMA_LATENCY, 0);
+
ret = imx_prepare_enable_clks(dev);
if (ret)
return ret;
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index d8b67e150b12..b7a5727d0c8a 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -763,6 +763,10 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = {
.compatible = "fsl,imx7d-usbmisc",
.data = &imx7d_usbmisc_ops,
},
+ {
+ .compatible = "fsl,imx7ulp-usbmisc",
+ .data = &imx7d_usbmisc_ops,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, usbmisc_imx_dt_ids);
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 9e90e969af55..7804869c6a31 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -22,6 +22,12 @@
* Using this limit prevents one virtqueue from starving others. */
#define VHOST_TEST_WEIGHT 0x80000
+/* Max number of packets transferred before requeueing the job.
+ * Using this limit prevents one virtqueue from starving others with
+ * pkts.
+ */
+#define VHOST_TEST_PKT_WEIGHT 256
+
enum {
VHOST_TEST_VQ = 0,
VHOST_TEST_VQ_MAX = 1,
@@ -80,10 +86,8 @@ static void handle_vq(struct vhost_test *n)
}
vhost_add_used_and_signal(&n->dev, vq, head, 0);
total_len += len;
- if (unlikely(total_len >= VHOST_TEST_WEIGHT)) {
- vhost_poll_queue(&vq->poll);
+ if (unlikely(vhost_exceeds_weight(vq, 0, total_len)))
break;
- }
}
mutex_unlock(&vq->mutex);
@@ -115,7 +119,8 @@ static int vhost_test_open(struct inode *inode, struct file *f)
dev = &n->dev;
vqs[VHOST_TEST_VQ] = &n->vqs[VHOST_TEST_VQ];
n->vqs[VHOST_TEST_VQ].handle_kick = handle_vq_kick;
- vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX);
+ vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX, UIO_MAXIOV,
+ VHOST_TEST_PKT_WEIGHT, VHOST_TEST_WEIGHT);
f->private_data = n;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e995c12d8e24..fcd8bf2846fc 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2072,7 +2072,7 @@ static int get_indirect(struct vhost_virtqueue *vq,
/* If this is an input descriptor, increment that count. */
if (access == VHOST_ACCESS_WO) {
*in_num += ret;
- if (unlikely(log)) {
+ if (unlikely(log && ret)) {
log[*log_num].addr = vhost64_to_cpu(vq, desc.addr);
log[*log_num].len = vhost32_to_cpu(vq, desc.len);
++*log_num;
@@ -2215,7 +2215,7 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq,
/* If this is an input descriptor,
* increment that count. */
*in_num += ret;
- if (unlikely(log)) {
+ if (unlikely(log && ret)) {
log[*log_num].addr = vhost64_to_cpu(vq, desc.addr);
log[*log_num].len = vhost32_to_cpu(vq, desc.len);
++*log_num;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index db337e53aab3..93900ff87df7 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3591,6 +3591,13 @@ void wait_on_extent_buffer_writeback(struct extent_buffer *eb)
TASK_UNINTERRUPTIBLE);
}
+static void end_extent_buffer_writeback(struct extent_buffer *eb)
+{
+ clear_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags);
+ smp_mb__after_atomic();
+ wake_up_bit(&eb->bflags, EXTENT_BUFFER_WRITEBACK);
+}
+
/*
* Lock eb pages and flush the bio if we can't the locks
*
@@ -3662,8 +3669,11 @@ static noinline_for_stack int lock_extent_buffer_for_io(struct extent_buffer *eb
if (!trylock_page(p)) {
if (!flush) {
- ret = flush_write_bio(epd);
- if (ret < 0) {
+ int err;
+
+ err = flush_write_bio(epd);
+ if (err < 0) {
+ ret = err;
failed_page_nr = i;
goto err_unlock;
}
@@ -3678,16 +3688,23 @@ static noinline_for_stack int lock_extent_buffer_for_io(struct extent_buffer *eb
/* Unlock already locked pages */
for (i = 0; i < failed_page_nr; i++)
unlock_page(eb->pages[i]);
+ /*
+ * Clear EXTENT_BUFFER_WRITEBACK and wake up anyone waiting on it.
+ * Also set back EXTENT_BUFFER_DIRTY so future attempts to this eb can
+ * be made and undo everything done before.
+ */
+ btrfs_tree_lock(eb);
+ spin_lock(&eb->refs_lock);
+ set_bit(EXTENT_BUFFER_DIRTY, &eb->bflags);
+ end_extent_buffer_writeback(eb);
+ spin_unlock(&eb->refs_lock);
+ percpu_counter_add_batch(&fs_info->dirty_metadata_bytes, eb->len,
+ fs_info->dirty_metadata_batch);
+ btrfs_clear_header_flag(eb, BTRFS_HEADER_FLAG_WRITTEN);
+ btrfs_tree_unlock(eb);
return ret;
}
-static void end_extent_buffer_writeback(struct extent_buffer *eb)
-{
- clear_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags);
- smp_mb__after_atomic();
- wake_up_bit(&eb->bflags, EXTENT_BUFFER_WRITEBACK);
-}
-
static void set_btree_ioerr(struct page *page)
{
struct extent_buffer *eb = (struct extent_buffer *)page->private;
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index 911e05af671e..edd89b7c8f18 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -61,6 +61,7 @@ struct ci_hdrc_platform_data {
#define CI_HDRC_OVERRIDE_PHY_CONTROL BIT(12) /* Glue layer manages phy */
#define CI_HDRC_REQUIRES_ALIGNED_DMA BIT(13)
#define CI_HDRC_IMX_IS_HSIC BIT(14)
+#define CI_HDRC_PMQOS BIT(15)
enum usb_dr_mode dr_mode;
#define CI_HDRC_CONTROLLER_RESET_EVENT 0
#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index 68e38c20afc0..85544777587d 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -540,7 +540,7 @@ static inline void rvt_qp_wqe_reserve(
/**
* rvt_qp_wqe_unreserve - clean reserved operation
* @qp - the rvt qp
- * @wqe - the send wqe
+ * @flags - send wqe flags
*
* This decrements the reserve use count.
*
@@ -552,11 +552,9 @@ static inline void rvt_qp_wqe_reserve(
* the compiler does not juggle the order of the s_last
* ring index and the decrementing of s_reserved_used.
*/
-static inline void rvt_qp_wqe_unreserve(
- struct rvt_qp *qp,
- struct rvt_swqe *wqe)
+static inline void rvt_qp_wqe_unreserve(struct rvt_qp *qp, int flags)
{
- if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED)) {
+ if (unlikely(flags & RVT_SEND_RESERVE_USED)) {
atomic_dec(&qp->s_reserved_used);
/* insure no compiler re-order up to s_last change */
smp_mb__after_atomic();
@@ -565,42 +563,6 @@ static inline void rvt_qp_wqe_unreserve(
extern const enum ib_wc_opcode ib_rvt_wc_opcode[];
-/**
- * rvt_qp_swqe_complete() - insert send completion
- * @qp - the qp
- * @wqe - the send wqe
- * @status - completion status
- *
- * Insert a send completion into the completion
- * queue if the qp indicates it should be done.
- *
- * See IBTA 10.7.3.1 for info on completion
- * control.
- */
-static inline void rvt_qp_swqe_complete(
- struct rvt_qp *qp,
- struct rvt_swqe *wqe,
- enum ib_wc_opcode opcode,
- enum ib_wc_status status)
-{
- if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED))
- return;
- if (!(qp->s_flags & RVT_S_SIGNAL_REQ_WR) ||
- (wqe->wr.send_flags & IB_SEND_SIGNALED) ||
- status != IB_WC_SUCCESS) {
- struct ib_wc wc;
-
- memset(&wc, 0, sizeof(wc));
- wc.wr_id = wqe->wr.wr_id;
- wc.status = status;
- wc.opcode = opcode;
- wc.qp = &qp->ibqp;
- wc.byte_len = wqe->length;
- rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &wc,
- status != IB_WC_SUCCESS);
- }
-}
-
/*
* Compare the lower 24 bits of the msn values.
* Returns an integer <, ==, or > than zero.
@@ -737,6 +699,79 @@ static inline void rvt_put_qp_swqe(struct rvt_qp *qp, struct rvt_swqe *wqe)
atomic_dec(&ibah_to_rvtah(wqe->ud_wr.ah)->refcount);
}
+/**
+ * rvt_qp_sqwe_incr - increment ring index
+ * @qp: the qp
+ * @val: the starting value
+ *
+ * Return: the new value wrapping as appropriate
+ */
+static inline u32
+rvt_qp_swqe_incr(struct rvt_qp *qp, u32 val)
+{
+ if (++val >= qp->s_size)
+ val = 0;
+ return val;
+}
+
+/**
+ * rvt_qp_complete_swqe - insert send completion
+ * @qp - the qp
+ * @wqe - the send wqe
+ * @opcode - wc operation (driver dependent)
+ * @status - completion status
+ *
+ * Update the s_last information, and then insert a send
+ * completion into the completion
+ * queue if the qp indicates it should be done.
+ *
+ * See IBTA 10.7.3.1 for info on completion
+ * control.
+ *
+ * Return: new last
+ */
+static inline u32
+rvt_qp_complete_swqe(struct rvt_qp *qp,
+ struct rvt_swqe *wqe,
+ enum ib_wc_opcode opcode,
+ enum ib_wc_status status)
+{
+ bool need_completion;
+ u64 wr_id;
+ u32 byte_len, last;
+ int flags = wqe->wr.send_flags;
+
+ rvt_qp_wqe_unreserve(qp, flags);
+ rvt_put_qp_swqe(qp, wqe);
+
+ need_completion =
+ !(flags & RVT_SEND_RESERVE_USED) &&
+ (!(qp->s_flags & RVT_S_SIGNAL_REQ_WR) ||
+ (flags & IB_SEND_SIGNALED) ||
+ status != IB_WC_SUCCESS);
+ if (need_completion) {
+ wr_id = wqe->wr.wr_id;
+ byte_len = wqe->length;
+ /* above fields required before writing s_last */
+ }
+ last = rvt_qp_swqe_incr(qp, qp->s_last);
+ /* see rvt_qp_is_avail() */
+ smp_store_release(&qp->s_last, last);
+ if (need_completion) {
+ struct ib_wc w = {
+ .wr_id = wr_id,
+ .status = status,
+ .opcode = opcode,
+ .qp = &qp->ibqp,
+ .byte_len = byte_len,
+ };
+
+ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &w,
+ status != IB_WC_SUCCESS);
+ }
+ return last;
+}
+
extern const int ib_rvt_state_ops[];
struct rvt_dev_info;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9ecf1e4c624b..b07672e793a8 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4449,6 +4449,8 @@ static void __account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec)
if (likely(cfs_rq->runtime_remaining > 0))
return;
+ if (cfs_rq->throttled)
+ return;
/*
* if we're unable to extend our runtime we resched so that the active
* hierarchy can be throttled
@@ -4652,6 +4654,9 @@ static u64 distribute_cfs_runtime(struct cfs_bandwidth *cfs_b,
if (!cfs_rq_throttled(cfs_rq))
goto next;
+ /* By the above check, this should never be true */
+ SCHED_WARN_ON(cfs_rq->runtime_remaining > 0);
+
runtime = -cfs_rq->runtime_remaining + 1;
if (runtime > remaining)
runtime = remaining;
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 240ed70912d6..d78938e3e008 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -277,17 +277,23 @@ static u8 batadv_hop_penalty(u8 tq, const struct batadv_priv *bat_priv)
* batadv_iv_ogm_aggr_packet() - checks if there is another OGM attached
* @buff_pos: current position in the skb
* @packet_len: total length of the skb
- * @tvlv_len: tvlv length of the previously considered OGM
+ * @ogm_packet: potential OGM in buffer
*
* Return: true if there is enough space for another OGM, false otherwise.
*/
-static bool batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
- __be16 tvlv_len)
+static bool
+batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
+ const struct batadv_ogm_packet *ogm_packet)
{
int next_buff_pos = 0;
- next_buff_pos += buff_pos + BATADV_OGM_HLEN;
- next_buff_pos += ntohs(tvlv_len);
+ /* check if there is enough space for the header */
+ next_buff_pos += buff_pos + sizeof(*ogm_packet);
+ if (next_buff_pos > packet_len)
+ return false;
+
+ /* check if there is enough space for the optional TVLV */
+ next_buff_pos += ntohs(ogm_packet->tvlv_len);
return (next_buff_pos <= packet_len) &&
(next_buff_pos <= BATADV_MAX_AGGREGATION_BYTES);
@@ -315,7 +321,7 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet,
/* adjust all flags and log packets */
while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
- batadv_ogm_packet->tvlv_len)) {
+ batadv_ogm_packet)) {
/* we might have aggregated direct link packets with an
* ordinary base packet
*/
@@ -1704,7 +1710,7 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb,
/* unpack the aggregated packets and process them one by one */
while (batadv_iv_ogm_aggr_packet(ogm_offset, skb_headlen(skb),
- ogm_packet->tvlv_len)) {
+ ogm_packet)) {
batadv_iv_ogm_process(skb, ogm_offset, if_incoming);
ogm_offset += BATADV_OGM_HLEN;
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index a67720fad46c..fdbd9f4c976b 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -164,7 +164,7 @@ batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
{
struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
- return attr ? nla_get_u32(attr) : 0;
+ return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0;
}
/**
diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 92390d457567..18e6546b4467 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -824,6 +824,8 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
while (id >= 0) {
const struct hda_fixup *fix = codec->fixup_list + id;
+ if (++depth > 10)
+ break;
if (fix->chained_before)
apply_fixup(codec, fix->chain_id, action, depth + 1);
@@ -863,8 +865,6 @@ static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
}
if (!fix->chained || fix->chained_before)
break;
- if (++depth > 10)
- break;
id = fix->chain_id;
}
}
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 5bf24fb819d2..10d502328b76 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -6009,7 +6009,8 @@ int snd_hda_gen_init(struct hda_codec *codec)
if (spec->init_hook)
spec->init_hook(codec);
- snd_hda_apply_verbs(codec);
+ if (!spec->skip_verbs)
+ snd_hda_apply_verbs(codec);
init_multi_out(codec);
init_extra_out(codec);
diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index 5f199dcb0d18..fb9f1a90238b 100644
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -243,6 +243,7 @@ struct hda_gen_spec {
unsigned int indep_hp_enabled:1; /* independent HP enabled */
unsigned int have_aamix_ctl:1;
unsigned int hp_mic_jack_modes:1;
+ unsigned int skip_verbs:1; /* don't apply verbs at snd_hda_gen_init() */
/* additional mute flags (only effective with auto_mute_via_amp=1) */
u64 mute_bits;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e333b3e30e31..c1ddfd2fac52 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -837,9 +837,11 @@ static int alc_init(struct hda_codec *codec)
if (spec->init_hook)
spec->init_hook(codec);
+ spec->gen.skip_verbs = 1; /* applied in below */
snd_hda_gen_init(codec);
alc_fix_pll(codec);
alc_auto_init_amp(codec, spec->init_amp);
+ snd_hda_apply_verbs(codec); /* apply verbs here after own init */
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
@@ -5797,6 +5799,7 @@ enum {
ALC286_FIXUP_ACER_AIO_HEADSET_MIC,
ALC256_FIXUP_ASUS_MIC_NO_PRESENCE,
ALC299_FIXUP_PREDATOR_SPK,
+ ALC294_FIXUP_ASUS_INTSPK_HEADSET_MIC,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -6837,6 +6840,16 @@ static const struct hda_fixup alc269_fixups[] = {
{ }
}
},
+ [ALC294_FIXUP_ASUS_INTSPK_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x14, 0x411111f0 }, /* disable confusing internal speaker */
+ { 0x19, 0x04a11150 }, /* use as headset mic, without its own jack detect */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6979,6 +6992,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x82c0, "HP G3 mini premium", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
SND_PCI_QUIRK(0x103c, 0x8497, "HP Envy x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
+ SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
@@ -6995,6 +7009,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_ASUS_ZENBOOK),
SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A),
SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x1043, 0x17d1, "ASUS UX431FL", ALC294_FIXUP_ASUS_INTSPK_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
SND_PCI_QUIRK(0x1043, 0x1a30, "ASUS X705UD", ALC256_FIXUP_ASUS_MIC),
SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),
@@ -7072,6 +7087,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x312a, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x3151, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
@@ -8946,6 +8962,7 @@ static int patch_alc680(struct hda_codec *codec)
static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0215, "ALC215", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0221, "ALC221", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0222, "ALC222", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0225, "ALC225", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0231, "ALC231", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0233, "ALC233", patch_alc269),
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