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Date: Wed, 19 Feb 2020 21:31:16 +0100
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 5.5.5
diff --git a/Makefile b/Makefile
index 62f956e9c81d..1f7dc3a2e1dd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 5
-SUBLEVEL = 4
+SUBLEVEL = 5
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm/mach-npcm/Kconfig b/arch/arm/mach-npcm/Kconfig
index 880bc2a5cada..7f7002dc2b21 100644
--- a/arch/arm/mach-npcm/Kconfig
+++ b/arch/arm/mach-npcm/Kconfig
@@ -11,7 +11,7 @@ config ARCH_NPCM7XX
depends on ARCH_MULTI_V7
select PINCTRL_NPCM7XX
select NPCM7XX_TIMER
- select ARCH_REQUIRE_GPIOLIB
+ select GPIOLIB
select CACHE_L2X0
select ARM_GIC
select HAVE_ARM_TWD if SMP
diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 62ab0d54ff71..335fff762451 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -161,10 +161,10 @@ pci: pci@...00000 {
bus-range = <0x0 0x1>;
reg = <0x0 0x40000000 0x0 0x10000000>;
ranges = <0x2000000 0x0 0x50000000 0x0 0x50000000 0x0 0x10000000>;
- interrupt-map = <0 0 0 1 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 2 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 3 &gic GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
- <0 0 0 4 &gic GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic 0 0 GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic 0 0 GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic 0 0 GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
msi-map = <0x0 &its 0x0 0x10000>;
iommu-map = <0x0 &smmu 0x0 0x10000>;
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index d54586d5b031..fab013c5ee8c 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -466,6 +466,13 @@ static void ssbs_thread_switch(struct task_struct *next)
if (unlikely(next->flags & PF_KTHREAD))
return;
+ /*
+ * If all CPUs implement the SSBS extension, then we just need to
+ * context-switch the PSTATE field.
+ */
+ if (cpu_have_feature(cpu_feature(SSBS)))
+ return;
+
/* If the mitigation is enabled, then we leave SSBS clear. */
if ((arm64_get_ssbd_state() == ARM64_SSBD_FORCE_ENABLE) ||
test_tsk_thread_flag(next, TIF_SSBD))
diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c
index ed007f4a6444..3f501159ee9f 100644
--- a/arch/s390/boot/uv.c
+++ b/arch/s390/boot/uv.c
@@ -15,7 +15,8 @@ void uv_query_info(void)
if (!test_facility(158))
return;
- if (uv_call(0, (uint64_t)&uvcb))
+ /* rc==0x100 means that there is additional data we do not process */
+ if (uv_call(0, (uint64_t)&uvcb) && uvcb.header.rc != 0x100)
return;
if (test_bit_inv(BIT_UVC_CMD_SET_SHARED_ACCESS, (unsigned long *)uvcb.inst_calls_list) &&
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 670f14a228e5..6bf3a45ccfec 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -155,7 +155,7 @@ static inline void get_tod_clock_ext(char *clk)
static inline unsigned long long get_tod_clock(void)
{
- unsigned char clk[STORE_CLOCK_EXT_SIZE];
+ char clk[STORE_CLOCK_EXT_SIZE];
get_tod_clock_ext(clk);
return *((unsigned long long *)&clk[1]);
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index a7752cd78b89..dede714b46e8 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -246,6 +246,7 @@ static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
[PERF_COUNT_HW_CPU_CYCLES] = 0x0076,
[PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
[PERF_COUNT_HW_CACHE_REFERENCES] = 0xff60,
+ [PERF_COUNT_HW_CACHE_MISSES] = 0x0964,
[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2,
[PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3,
[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x0287,
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index ce83950036c5..e5ad97a82342 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1713,6 +1713,8 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
old = ((s64)(prev_raw_count << shift) >> shift);
local64_add(new - old + count * period, &event->count);
+ local64_set(&hwc->period_left, -new);
+
perf_event_update_userpage(event);
return 0;
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index c1d7b866a03f..4e3f137ffa8c 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -33,7 +33,7 @@
#define PT_GUEST_ACCESSED_SHIFT PT_ACCESSED_SHIFT
#define PT_HAVE_ACCESSED_DIRTY(mmu) true
#ifdef CONFIG_X86_64
- #define PT_MAX_FULL_LEVELS 4
+ #define PT_MAX_FULL_LEVELS PT64_ROOT_MAX_LEVEL
#define CMPXCHG cmpxchg
#else
#define CMPXCHG cmpxchg64
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 5bfa8228f0c7..3babe5e29429 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3583,6 +3583,33 @@ static void nested_vmx_inject_exception_vmexit(struct kvm_vcpu *vcpu,
nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI, intr_info, exit_qual);
}
+/*
+ * Returns true if a debug trap is pending delivery.
+ *
+ * In KVM, debug traps bear an exception payload. As such, the class of a #DB
+ * exception may be inferred from the presence of an exception payload.
+ */
+static inline bool vmx_pending_dbg_trap(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.exception.pending &&
+ vcpu->arch.exception.nr == DB_VECTOR &&
+ vcpu->arch.exception.payload;
+}
+
+/*
+ * Certain VM-exits set the 'pending debug exceptions' field to indicate a
+ * recognized #DB (data or single-step) that has yet to be delivered. Since KVM
+ * represents these debug traps with a payload that is said to be compatible
+ * with the 'pending debug exceptions' field, write the payload to the VMCS
+ * field if a VM-exit is delivered before the debug trap.
+ */
+static void nested_vmx_update_pending_dbg(struct kvm_vcpu *vcpu)
+{
+ if (vmx_pending_dbg_trap(vcpu))
+ vmcs_writel(GUEST_PENDING_DBG_EXCEPTIONS,
+ vcpu->arch.exception.payload);
+}
+
static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -3595,6 +3622,7 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
test_bit(KVM_APIC_INIT, &apic->pending_events)) {
if (block_nested_events)
return -EBUSY;
+ nested_vmx_update_pending_dbg(vcpu);
clear_bit(KVM_APIC_INIT, &apic->pending_events);
nested_vmx_vmexit(vcpu, EXIT_REASON_INIT_SIGNAL, 0, 0);
return 0;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 78e01e2524bc..c0d837c37f34 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2968,6 +2968,9 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
static int get_ept_level(struct kvm_vcpu *vcpu)
{
+ /* Nested EPT currently only supports 4-level walks. */
+ if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
+ return 4;
if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
return 5;
return 4;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d744c1bf4dc8..e594fd2719dd 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -437,6 +437,14 @@ void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu)
* for #DB exceptions under VMX.
*/
vcpu->arch.dr6 ^= payload & DR6_RTM;
+
+ /*
+ * The #DB payload is defined as compatible with the 'pending
+ * debug exceptions' field under VMX, not DR6. While bit 12 is
+ * defined in the 'pending debug exceptions' field (enabled
+ * breakpoint), it is reserved and must be zero in DR6.
+ */
+ vcpu->arch.dr6 &= ~BIT(12);
break;
case PF_VECTOR:
vcpu->arch.cr2 = payload;
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index bcf8f7501db7..a74c1a0e892d 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -101,6 +101,8 @@ acpi_status acpi_hw_enable_all_runtime_gpes(void);
acpi_status acpi_hw_enable_all_wakeup_gpes(void);
+u8 acpi_hw_check_all_gpes(void);
+
acpi_status
acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 04a40d563dd6..84b0b410310e 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -795,6 +795,38 @@ acpi_status acpi_enable_all_wakeup_gpes(void)
ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)
+/******************************************************************************
+ *
+ * FUNCTION: acpi_any_gpe_status_set
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Whether or not the status bit is set for any GPE
+ *
+ * DESCRIPTION: Check the status bits of all enabled GPEs and return TRUE if any
+ * of them is set or FALSE otherwise.
+ *
+ ******************************************************************************/
+u32 acpi_any_gpe_status_set(void)
+{
+ acpi_status status;
+ u8 ret;
+
+ ACPI_FUNCTION_TRACE(acpi_any_gpe_status_set);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+
+ ret = acpi_hw_check_all_gpes();
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ return (ret);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_any_gpe_status_set)
+
/*******************************************************************************
*
* FUNCTION: acpi_install_gpe_block
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 565bd3f29f31..b1d7d5f92495 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -444,6 +444,53 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
return (AE_OK);
}
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_get_gpe_block_status
+ *
+ * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
+ * gpe_block - Gpe Block info
+ *
+ * RETURN: Success
+ *
+ * DESCRIPTION: Produce a combined GPE status bits mask for the given block.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_get_gpe_block_status(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block,
+ void *ret_ptr)
+{
+ struct acpi_gpe_register_info *gpe_register_info;
+ u64 in_enable, in_status;
+ acpi_status status;
+ u8 *ret = ret_ptr;
+ u32 i;
+
+ /* Examine each GPE Register within the block */
+
+ for (i = 0; i < gpe_block->register_count; i++) {
+ gpe_register_info = &gpe_block->register_info[i];
+
+ status = acpi_hw_read(&in_enable,
+ &gpe_register_info->enable_address);
+ if (ACPI_FAILURE(status)) {
+ continue;
+ }
+
+ status = acpi_hw_read(&in_status,
+ &gpe_register_info->status_address);
+ if (ACPI_FAILURE(status)) {
+ continue;
+ }
+
+ *ret |= in_enable & in_status;
+ }
+
+ return (AE_OK);
+}
+
/******************************************************************************
*
* FUNCTION: acpi_hw_disable_all_gpes
@@ -510,4 +557,28 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void)
return_ACPI_STATUS(status);
}
+/******************************************************************************
+ *
+ * FUNCTION: acpi_hw_check_all_gpes
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Combined status of all GPEs
+ *
+ * DESCRIPTION: Check all enabled GPEs in all GPE blocks and return TRUE if the
+ * status bit is set for at least one of them of FALSE otherwise.
+ *
+ ******************************************************************************/
+
+u8 acpi_hw_check_all_gpes(void)
+{
+ u8 ret = 0;
+
+ ACPI_FUNCTION_TRACE(acpi_hw_check_all_gpes);
+
+ (void)acpi_ev_walk_gpe_list(acpi_hw_get_gpe_block_status, &ret);
+
+ return (ret != 0);
+}
+
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d05be13c1022..bd74c7836675 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -179,6 +179,7 @@ EXPORT_SYMBOL(first_ec);
static struct acpi_ec *boot_ec;
static bool boot_ec_is_ecdt = false;
+static struct workqueue_struct *ec_wq;
static struct workqueue_struct *ec_query_wq;
static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */
@@ -469,7 +470,7 @@ static void acpi_ec_submit_query(struct acpi_ec *ec)
ec_dbg_evt("Command(%s) submitted/blocked",
acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY));
ec->nr_pending_queries++;
- schedule_work(&ec->work);
+ queue_work(ec_wq, &ec->work);
}
}
@@ -535,7 +536,7 @@ static void acpi_ec_enable_event(struct acpi_ec *ec)
#ifdef CONFIG_PM_SLEEP
static void __acpi_ec_flush_work(void)
{
- flush_scheduled_work(); /* flush ec->work */
+ drain_workqueue(ec_wq); /* flush ec->work */
flush_workqueue(ec_query_wq); /* flush queries */
}
@@ -556,8 +557,8 @@ static void acpi_ec_disable_event(struct acpi_ec *ec)
void acpi_ec_flush_work(void)
{
- /* Without ec_query_wq there is nothing to flush. */
- if (!ec_query_wq)
+ /* Without ec_wq there is nothing to flush. */
+ if (!ec_wq)
return;
__acpi_ec_flush_work();
@@ -2115,25 +2116,33 @@ static struct acpi_driver acpi_ec_driver = {
.drv.pm = &acpi_ec_pm,
};
-static inline int acpi_ec_query_init(void)
+static void acpi_ec_destroy_workqueues(void)
{
- if (!ec_query_wq) {
- ec_query_wq = alloc_workqueue("kec_query", 0,
- ec_max_queries);
- if (!ec_query_wq)
- return -ENODEV;
+ if (ec_wq) {
+ destroy_workqueue(ec_wq);
+ ec_wq = NULL;
}
- return 0;
-}
-
-static inline void acpi_ec_query_exit(void)
-{
if (ec_query_wq) {
destroy_workqueue(ec_query_wq);
ec_query_wq = NULL;
}
}
+static int acpi_ec_init_workqueues(void)
+{
+ if (!ec_wq)
+ ec_wq = alloc_ordered_workqueue("kec", 0);
+
+ if (!ec_query_wq)
+ ec_query_wq = alloc_workqueue("kec_query", 0, ec_max_queries);
+
+ if (!ec_wq || !ec_query_wq) {
+ acpi_ec_destroy_workqueues();
+ return -ENODEV;
+ }
+ return 0;
+}
+
static const struct dmi_system_id acpi_ec_no_wakeup[] = {
{
.ident = "Thinkpad X1 Carbon 6th",
@@ -2164,8 +2173,7 @@ int __init acpi_ec_init(void)
int result;
int ecdt_fail, dsdt_fail;
- /* register workqueue for _Qxx evaluations */
- result = acpi_ec_query_init();
+ result = acpi_ec_init_workqueues();
if (result)
return result;
@@ -2196,6 +2204,6 @@ static void __exit acpi_ec_exit(void)
{
acpi_bus_unregister_driver(&acpi_ec_driver);
- acpi_ec_query_exit();
+ acpi_ec_destroy_workqueues();
}
#endif /* 0 */
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 6747a279621b..5672fa8cb300 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -987,21 +987,34 @@ static void acpi_s2idle_sync(void)
acpi_os_wait_events_complete(); /* synchronize Notify handling */
}
-static void acpi_s2idle_wake(void)
+static bool acpi_s2idle_wake(void)
{
- /*
- * If IRQD_WAKEUP_ARMED is set for the SCI at this point, the SCI has
- * not triggered while suspended, so bail out.
- */
- if (!acpi_sci_irq_valid() ||
- irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
- return;
+ if (!acpi_sci_irq_valid())
+ return pm_wakeup_pending();
+
+ while (pm_wakeup_pending()) {
+ /*
+ * If IRQD_WAKEUP_ARMED is set for the SCI at this point, the
+ * SCI has not triggered while suspended, so bail out (the
+ * wakeup is pending anyway and the SCI is not the source of
+ * it).
+ */
+ if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
+ return true;
+
+ /*
+ * If there are no EC events to process and at least one of the
+ * other enabled GPEs is active, the wakeup is regarded as a
+ * genuine one.
+ *
+ * Note that the checks below must be carried out in this order
+ * to avoid returning prematurely due to a change of the EC GPE
+ * status bit from unset to set between the checks with the
+ * status bits of all the other GPEs unset.
+ */
+ if (acpi_any_gpe_status_set() && !acpi_ec_dispatch_gpe())
+ return true;
- /*
- * If there are EC events to process, the wakeup may be a spurious one
- * coming from the EC.
- */
- if (acpi_ec_dispatch_gpe()) {
/*
* Cancel the wakeup and process all pending events in case
* there are any wakeup ones in there.
@@ -1014,8 +1027,19 @@ static void acpi_s2idle_wake(void)
acpi_s2idle_sync();
+ /*
+ * The SCI is in the "suspended" state now and it cannot produce
+ * new wakeup events till the rearming below, so if any of them
+ * are pending here, they must be resulting from the processing
+ * of EC events above or coming from somewhere else.
+ */
+ if (pm_wakeup_pending())
+ return true;
+
rearm_wake_irq(acpi_sci_irq);
}
+
+ return false;
}
static void acpi_s2idle_restore_early(void)
diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index 36cf13eee6b8..68413bf9cf87 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -466,7 +466,7 @@ static ssize_t input_read(struct file *file, char __user *buf, size_t len,
{
struct moxtet *moxtet = file->private_data;
u8 bin[TURRIS_MOX_MAX_MODULES];
- u8 hex[sizeof(buf) * 2 + 1];
+ u8 hex[sizeof(bin) * 2 + 1];
int ret, n;
ret = moxtet_spi_read(moxtet, bin);
diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c
index 1ff4fb1def7c..800532595ea7 100644
--- a/drivers/char/ipmi/ipmb_dev_int.c
+++ b/drivers/char/ipmi/ipmb_dev_int.c
@@ -253,7 +253,7 @@ static int ipmb_slave_cb(struct i2c_client *client,
break;
case I2C_SLAVE_WRITE_RECEIVED:
- if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg))
+ if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg) - 1)
break;
buf[++ipmb_dev->msg_idx] = *val;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 7243b88f81d8..69e0d90460e6 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -505,16 +505,10 @@ void edac_mc_free(struct mem_ctl_info *mci)
{
edac_dbg(1, "\n");
- /* If we're not yet registered with sysfs free only what was allocated
- * in edac_mc_alloc().
- */
- if (!device_is_registered(&mci->dev)) {
- _edac_mc_free(mci);
- return;
- }
+ if (device_is_registered(&mci->dev))
+ edac_unregister_sysfs(mci);
- /* the mci instance is freed here, when the sysfs object is dropped */
- edac_unregister_sysfs(mci);
+ _edac_mc_free(mci);
}
EXPORT_SYMBOL_GPL(edac_mc_free);
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 0367554e7437..c70ec0a306d8 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -276,10 +276,7 @@ static const struct attribute_group *csrow_attr_groups[] = {
static void csrow_attr_release(struct device *dev)
{
- struct csrow_info *csrow = container_of(dev, struct csrow_info, dev);
-
- edac_dbg(1, "device %s released\n", dev_name(dev));
- kfree(csrow);
+ /* release device with _edac_mc_free() */
}
static const struct device_type csrow_attr_type = {
@@ -447,8 +444,7 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci)
csrow = mci->csrows[i];
if (!nr_pages_per_csrow(csrow))
continue;
-
- device_del(&mci->csrows[i]->dev);
+ device_unregister(&mci->csrows[i]->dev);
}
return err;
@@ -608,10 +604,7 @@ static const struct attribute_group *dimm_attr_groups[] = {
static void dimm_attr_release(struct device *dev)
{
- struct dimm_info *dimm = container_of(dev, struct dimm_info, dev);
-
- edac_dbg(1, "device %s released\n", dev_name(dev));
- kfree(dimm);
+ /* release device with _edac_mc_free() */
}
static const struct device_type dimm_attr_type = {
@@ -893,10 +886,7 @@ static const struct attribute_group *mci_attr_groups[] = {
static void mci_attr_release(struct device *dev)
{
- struct mem_ctl_info *mci = container_of(dev, struct mem_ctl_info, dev);
-
- edac_dbg(1, "device %s released\n", dev_name(dev));
- kfree(mci);
+ /* release device with _edac_mc_free() */
}
static const struct device_type mci_attr_type = {
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index a9748b5198e6..67f9f82e0db0 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -147,9 +147,10 @@ static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
for (i = 0; i < gc->ngpio; i++) {
if (*mask == 0)
break;
+ /* Once finished with an index write it out to the register */
if (index != xgpio_index(chip, i)) {
xgpio_writereg(chip->regs + XGPIO_DATA_OFFSET +
- xgpio_regoffset(chip, i),
+ index * XGPIO_CHANNEL_OFFSET,
chip->gpio_state[index]);
spin_unlock_irqrestore(&chip->gpio_lock[index], flags);
index = xgpio_index(chip, i);
@@ -165,7 +166,7 @@ static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
}
xgpio_writereg(chip->regs + XGPIO_DATA_OFFSET +
- xgpio_regoffset(chip, i), chip->gpio_state[index]);
+ index * XGPIO_CHANNEL_OFFSET, chip->gpio_state[index]);
spin_unlock_irqrestore(&chip->gpio_lock[index], flags);
}
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index b696e4598a24..b0e79bed5952 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -147,10 +147,6 @@ static void of_gpio_flags_quirks(struct device_node *np,
if (of_property_read_bool(np, "cd-inverted"))
*flags ^= OF_GPIO_ACTIVE_LOW;
}
- if (!strcmp(propname, "wp-gpios")) {
- if (of_property_read_bool(np, "wp-inverted"))
- *flags ^= OF_GPIO_ACTIVE_LOW;
- }
}
/*
* Some GPIO fixed regulator quirks.
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 78a16e42f222..bcfbfded9ba3 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3371,6 +3371,17 @@ int gpiod_is_active_low(const struct gpio_desc *desc)
}
EXPORT_SYMBOL_GPL(gpiod_is_active_low);
+/**
+ * gpiod_toggle_active_low - toggle whether a GPIO is active-low or not
+ * @desc: the gpio descriptor to change
+ */
+void gpiod_toggle_active_low(struct gpio_desc *desc)
+{
+ VALIDATE_DESC_VOID(desc);
+ change_bit(FLAG_ACTIVE_LOW, &desc->flags);
+}
+EXPORT_SYMBOL_GPL(gpiod_toggle_active_low);
+
/* I/O calls are only valid after configuration completed; the relevant
* "is this a valid GPIO" error checks should already have been done.
*
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h
index b2f96a101124..7a63cf8e85ed 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h
@@ -39,21 +39,39 @@
#define SMU_11_0_PP_OVERDRIVE_VERSION 0x0800
#define SMU_11_0_PP_POWERSAVINGCLOCK_VERSION 0x0100
+enum SMU_11_0_ODFEATURE_CAP {
+ SMU_11_0_ODCAP_GFXCLK_LIMITS = 0,
+ SMU_11_0_ODCAP_GFXCLK_CURVE,
+ SMU_11_0_ODCAP_UCLK_MAX,
+ SMU_11_0_ODCAP_POWER_LIMIT,
+ SMU_11_0_ODCAP_FAN_ACOUSTIC_LIMIT,
+ SMU_11_0_ODCAP_FAN_SPEED_MIN,
+ SMU_11_0_ODCAP_TEMPERATURE_FAN,
+ SMU_11_0_ODCAP_TEMPERATURE_SYSTEM,
+ SMU_11_0_ODCAP_MEMORY_TIMING_TUNE,
+ SMU_11_0_ODCAP_FAN_ZERO_RPM_CONTROL,
+ SMU_11_0_ODCAP_AUTO_UV_ENGINE,
+ SMU_11_0_ODCAP_AUTO_OC_ENGINE,
+ SMU_11_0_ODCAP_AUTO_OC_MEMORY,
+ SMU_11_0_ODCAP_FAN_CURVE,
+ SMU_11_0_ODCAP_COUNT,
+};
+
enum SMU_11_0_ODFEATURE_ID {
- SMU_11_0_ODFEATURE_GFXCLK_LIMITS = 1 << 0, //GFXCLK Limit feature
- SMU_11_0_ODFEATURE_GFXCLK_CURVE = 1 << 1, //GFXCLK Curve feature
- SMU_11_0_ODFEATURE_UCLK_MAX = 1 << 2, //UCLK Limit feature
- SMU_11_0_ODFEATURE_POWER_LIMIT = 1 << 3, //Power Limit feature
- SMU_11_0_ODFEATURE_FAN_ACOUSTIC_LIMIT = 1 << 4, //Fan Acoustic RPM feature
- SMU_11_0_ODFEATURE_FAN_SPEED_MIN = 1 << 5, //Minimum Fan Speed feature
- SMU_11_0_ODFEATURE_TEMPERATURE_FAN = 1 << 6, //Fan Target Temperature Limit feature
- SMU_11_0_ODFEATURE_TEMPERATURE_SYSTEM = 1 << 7, //Operating Temperature Limit feature
- SMU_11_0_ODFEATURE_MEMORY_TIMING_TUNE = 1 << 8, //AC Timing Tuning feature
- SMU_11_0_ODFEATURE_FAN_ZERO_RPM_CONTROL = 1 << 9, //Zero RPM feature
- SMU_11_0_ODFEATURE_AUTO_UV_ENGINE = 1 << 10, //Auto Under Volt GFXCLK feature
- SMU_11_0_ODFEATURE_AUTO_OC_ENGINE = 1 << 11, //Auto Over Clock GFXCLK feature
- SMU_11_0_ODFEATURE_AUTO_OC_MEMORY = 1 << 12, //Auto Over Clock MCLK feature
- SMU_11_0_ODFEATURE_FAN_CURVE = 1 << 13, //VICTOR TODO
+ SMU_11_0_ODFEATURE_GFXCLK_LIMITS = 1 << SMU_11_0_ODCAP_GFXCLK_LIMITS, //GFXCLK Limit feature
+ SMU_11_0_ODFEATURE_GFXCLK_CURVE = 1 << SMU_11_0_ODCAP_GFXCLK_CURVE, //GFXCLK Curve feature
+ SMU_11_0_ODFEATURE_UCLK_MAX = 1 << SMU_11_0_ODCAP_UCLK_MAX, //UCLK Limit feature
+ SMU_11_0_ODFEATURE_POWER_LIMIT = 1 << SMU_11_0_ODCAP_POWER_LIMIT, //Power Limit feature
+ SMU_11_0_ODFEATURE_FAN_ACOUSTIC_LIMIT = 1 << SMU_11_0_ODCAP_FAN_ACOUSTIC_LIMIT, //Fan Acoustic RPM feature
+ SMU_11_0_ODFEATURE_FAN_SPEED_MIN = 1 << SMU_11_0_ODCAP_FAN_SPEED_MIN, //Minimum Fan Speed feature
+ SMU_11_0_ODFEATURE_TEMPERATURE_FAN = 1 << SMU_11_0_ODCAP_TEMPERATURE_FAN, //Fan Target Temperature Limit feature
+ SMU_11_0_ODFEATURE_TEMPERATURE_SYSTEM = 1 << SMU_11_0_ODCAP_TEMPERATURE_SYSTEM, //Operating Temperature Limit feature
+ SMU_11_0_ODFEATURE_MEMORY_TIMING_TUNE = 1 << SMU_11_0_ODCAP_MEMORY_TIMING_TUNE, //AC Timing Tuning feature
+ SMU_11_0_ODFEATURE_FAN_ZERO_RPM_CONTROL = 1 << SMU_11_0_ODCAP_FAN_ZERO_RPM_CONTROL, //Zero RPM feature
+ SMU_11_0_ODFEATURE_AUTO_UV_ENGINE = 1 << SMU_11_0_ODCAP_AUTO_UV_ENGINE, //Auto Under Volt GFXCLK feature
+ SMU_11_0_ODFEATURE_AUTO_OC_ENGINE = 1 << SMU_11_0_ODCAP_AUTO_OC_ENGINE, //Auto Over Clock GFXCLK feature
+ SMU_11_0_ODFEATURE_AUTO_OC_MEMORY = 1 << SMU_11_0_ODCAP_AUTO_OC_MEMORY, //Auto Over Clock MCLK feature
+ SMU_11_0_ODFEATURE_FAN_CURVE = 1 << SMU_11_0_ODCAP_FAN_CURVE, //Fan Curve feature
SMU_11_0_ODFEATURE_COUNT = 14,
};
#define SMU_11_0_MAX_ODFEATURE 32 //Maximum Number of OD Features
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index e3f8c45e7467..2cf81cafc669 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -705,9 +705,9 @@ static bool navi10_is_support_fine_grained_dpm(struct smu_context *smu, enum smu
return dpm_desc->SnapToDiscrete == 0 ? true : false;
}
-static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
+static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_CAP cap)
{
- return od_table->cap[feature];
+ return od_table->cap[cap];
}
static void navi10_od_setting_get_range(struct smu_11_0_overdrive_table *od_table,
@@ -815,7 +815,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
case SMU_OD_SCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS))
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS))
break;
size += sprintf(buf + size, "OD_SCLK:\n");
size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax);
@@ -823,7 +823,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
case SMU_OD_MCLK:
if (!smu->od_enabled || !od_table || !od_settings)
break;
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX))
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX))
break;
size += sprintf(buf + size, "OD_MCLK:\n");
size += sprintf(buf + size, "1: %uMHz\n", od_table->UclkFmax);
@@ -831,7 +831,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
case SMU_OD_VDDC_CURVE:
if (!smu->od_enabled || !od_table || !od_settings)
break;
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE))
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE))
break;
size += sprintf(buf + size, "OD_VDDC_CURVE:\n");
for (i = 0; i < 3; i++) {
@@ -856,7 +856,7 @@ static int navi10_print_clk_levels(struct smu_context *smu,
break;
size = sprintf(buf, "%s:\n", "OD_RANGE");
- if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) {
+ if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMIN,
&min_value, NULL);
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMAX,
@@ -865,14 +865,14 @@ static int navi10_print_clk_levels(struct smu_context *smu,
min_value, max_value);
}
- if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) {
+ if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_UCLKFMAX,
&min_value, &max_value);
size += sprintf(buf + size, "MCLK: %7uMhz %10uMhz\n",
min_value, max_value);
}
- if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) {
+ if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) {
navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_VDDGFXCURVEFREQ_P1,
&min_value, &max_value);
size += sprintf(buf + size, "VDDC_CURVE_SCLK[0]: %7uMhz %10uMhz\n",
@@ -1956,7 +1956,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL
switch (type) {
case PP_OD_EDIT_SCLK_VDDC_TABLE:
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS)) {
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) {
pr_warn("GFXCLK_LIMITS not supported!\n");
return -ENOTSUPP;
}
@@ -2002,7 +2002,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL
}
break;
case PP_OD_EDIT_MCLK_VDDC_TABLE:
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX)) {
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_UCLK_MAX)) {
pr_warn("UCLK_MAX not supported!\n");
return -ENOTSUPP;
}
@@ -2043,7 +2043,7 @@ static int navi10_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TABL
}
break;
case PP_OD_EDIT_VDDC_CURVE:
- if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE)) {
+ if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_CURVE)) {
pr_warn("GFXCLK_CURVE not supported!\n");
return -ENOTSUPP;
}
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 141ba31cf548..6cd90cb4b6b1 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -3772,7 +3772,8 @@ drm_dp_mst_process_up_req(struct drm_dp_mst_topology_mgr *mgr,
else if (msg->req_type == DP_RESOURCE_STATUS_NOTIFY)
guid = msg->u.resource_stat.guid;
- mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid);
+ if (guid)
+ mstb = drm_dp_get_mst_branch_device_by_guid(mgr, guid);
} else {
mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad);
}
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index d6d2e6fb8674..40036eff709c 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -594,8 +594,10 @@ static void i915_pmu_enable(struct perf_event *event)
container_of(event->pmu, typeof(*i915), pmu.base);
unsigned int bit = event_enabled_bit(event);
struct i915_pmu *pmu = &i915->pmu;
+ intel_wakeref_t wakeref;
unsigned long flags;
+ wakeref = intel_runtime_pm_get(&i915->runtime_pm);
spin_lock_irqsave(&pmu->lock, flags);
/*
@@ -605,6 +607,14 @@ static void i915_pmu_enable(struct perf_event *event)
BUILD_BUG_ON(ARRAY_SIZE(pmu->enable_count) != I915_PMU_MASK_BITS);
GEM_BUG_ON(bit >= ARRAY_SIZE(pmu->enable_count));
GEM_BUG_ON(pmu->enable_count[bit] == ~0);
+
+ if (pmu->enable_count[bit] == 0 &&
+ config_enabled_mask(I915_PMU_RC6_RESIDENCY) & BIT_ULL(bit)) {
+ pmu->sample[__I915_SAMPLE_RC6_LAST_REPORTED].cur = 0;
+ pmu->sample[__I915_SAMPLE_RC6].cur = __get_rc6(&i915->gt);
+ pmu->sleep_last = ktime_get();
+ }
+
pmu->enable |= BIT_ULL(bit);
pmu->enable_count[bit]++;
@@ -645,6 +655,8 @@ static void i915_pmu_enable(struct perf_event *event)
* an existing non-zero value.
*/
local64_set(&event->hw.prev_count, __i915_pmu_event_read(event));
+
+ intel_runtime_pm_put(&i915->runtime_pm, wakeref);
}
static void i915_pmu_disable(struct perf_event *event)
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 88b431a267af..273d67e251c2 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -166,6 +166,7 @@ panfrost_lookup_bos(struct drm_device *dev,
break;
}
+ atomic_inc(&bo->gpu_usecount);
job->mappings[i] = mapping;
}
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h
index ca1bc9019600..b3517ff9630c 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.h
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.h
@@ -30,6 +30,12 @@ struct panfrost_gem_object {
struct mutex lock;
} mappings;
+ /*
+ * Count the number of jobs referencing this BO so we don't let the
+ * shrinker reclaim this object prematurely.
+ */
+ atomic_t gpu_usecount;
+
bool noexec :1;
bool is_heap :1;
};
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
index f5dd7b29bc95..288e46c40673 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
@@ -41,6 +41,9 @@ static bool panfrost_gem_purge(struct drm_gem_object *obj)
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
struct panfrost_gem_object *bo = to_panfrost_bo(obj);
+ if (atomic_read(&bo->gpu_usecount))
+ return false;
+
if (!mutex_trylock(&shmem->pages_lock))
return false;
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index e364ee00f3d0..4d383831c1fc 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -269,8 +269,13 @@ static void panfrost_job_cleanup(struct kref *ref)
dma_fence_put(job->render_done_fence);
if (job->mappings) {
- for (i = 0; i < job->bo_count; i++)
+ for (i = 0; i < job->bo_count; i++) {
+ if (!job->mappings[i])
+ break;
+
+ atomic_dec(&job->mappings[i]->obj->gpu_usecount);
panfrost_gem_mapping_put(job->mappings[i]);
+ }
kvfree(job->mappings);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index a5757b11b730..5b54eff12cc0 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -85,7 +85,6 @@ static int sun4i_drv_bind(struct device *dev)
}
drm_mode_config_init(drm);
- drm->mode_config.allow_fb_modifiers = true;
ret = component_bind_all(drm->dev, drm);
if (ret) {
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 5bd60ded3d81..909eba43664a 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -196,9 +196,10 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev,
return ERR_CAST(obj);
ret = drm_gem_handle_create(file, &obj->base, handle);
- drm_gem_object_put_unlocked(&obj->base);
- if (ret)
+ if (ret) {
+ drm_gem_object_put_unlocked(&obj->base);
return ERR_PTR(ret);
+ }
return &obj->base;
}
@@ -221,7 +222,9 @@ static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
args->size = gem_object->size;
args->pitch = pitch;
- DRM_DEBUG("Created object of size %lld\n", size);
+ drm_gem_object_put_unlocked(gem_object);
+
+ DRM_DEBUG("Created object of size %llu\n", args->size);
return 0;
}
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index f01f4887fb2e..a91ed01abb68 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -82,8 +82,8 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
#define LTC_POLL_TIMEOUT 100 /* in milli-seconds */
-#define LTC_NOT_BUSY BIT(5)
-#define LTC_NOT_PENDING BIT(4)
+#define LTC_NOT_BUSY BIT(6)
+#define LTC_NOT_PENDING BIT(5)
/*
* LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index 6eb6d2717ca5..2b4d80393bd0 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -339,22 +339,16 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp,
if (!new_pps)
return NULL;
- if (qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) {
- if (!qp_pps) {
- new_pps->main.port_num = qp_attr->port_num;
- new_pps->main.pkey_index = qp_attr->pkey_index;
- } else {
- new_pps->main.port_num = (qp_attr_mask & IB_QP_PORT) ?
- qp_attr->port_num :
- qp_pps->main.port_num;
-
- new_pps->main.pkey_index =
- (qp_attr_mask & IB_QP_PKEY_INDEX) ?
- qp_attr->pkey_index :
- qp_pps->main.pkey_index;
- }
+ if (qp_attr_mask & IB_QP_PORT)
+ new_pps->main.port_num =
+ (qp_pps) ? qp_pps->main.port_num : qp_attr->port_num;
+ if (qp_attr_mask & IB_QP_PKEY_INDEX)
+ new_pps->main.pkey_index = (qp_pps) ? qp_pps->main.pkey_index :
+ qp_attr->pkey_index;
+ if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT))
new_pps->main.state = IB_PORT_PKEY_VALID;
- } else if (qp_pps) {
+
+ if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
new_pps->main.port_num = qp_pps->main.port_num;
new_pps->main.pkey_index = qp_pps->main.pkey_index;
if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index d1407fa378e8..1235ffb2389b 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1312,6 +1312,9 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
struct ib_umad_file *file;
int id;
+ cdev_device_del(&port->sm_cdev, &port->sm_dev);
+ cdev_device_del(&port->cdev, &port->dev);
+
mutex_lock(&port->file_mutex);
/* Mark ib_dev NULL and block ioctl or other file ops to progress
@@ -1331,8 +1334,6 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
mutex_unlock(&port->file_mutex);
- cdev_device_del(&port->sm_cdev, &port->sm_dev);
- cdev_device_del(&port->cdev, &port->dev);
ida_free(&umad_ida, port->dev_num);
/* balances device_initialize() */
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 06ed32c8662f..86e93ac46d75 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2720,12 +2720,6 @@ static int kern_spec_to_ib_spec_action(struct uverbs_attr_bundle *attrs,
return 0;
}
-static size_t kern_spec_filter_sz(const struct ib_uverbs_flow_spec_hdr *spec)
-{
- /* Returns user space filter size, includes padding */
- return (spec->size - sizeof(struct ib_uverbs_flow_spec_hdr)) / 2;
-}
-
static ssize_t spec_filter_size(const void *kern_spec_filter, u16 kern_filter_size,
u16 ib_real_filter_sz)
{
@@ -2869,11 +2863,16 @@ int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type,
static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec,
union ib_flow_spec *ib_spec)
{
- ssize_t kern_filter_sz;
+ size_t kern_filter_sz;
void *kern_spec_mask;
void *kern_spec_val;
- kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr);
+ if (check_sub_overflow((size_t)kern_spec->hdr.size,
+ sizeof(struct ib_uverbs_flow_spec_hdr),
+ &kern_filter_sz))
+ return -EINVAL;
+
+ kern_filter_sz /= 2;
kern_spec_val = (void *)kern_spec +
sizeof(struct ib_uverbs_flow_spec_hdr);
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index ee1182f9b627..d69dece3b1d5 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3036,6 +3036,10 @@ static int terminate(struct c4iw_dev *dev, struct sk_buff *skb)
C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);
}
+ /* As per draft-hilland-iwarp-verbs-v1.0, sec 6.2.3,
+ * when entering the TERM state the RNIC MUST initiate a CLOSE.
+ */
+ c4iw_ep_disconnect(ep, 1, GFP_KERNEL);
c4iw_put_ep(&ep->com);
} else
pr_warn("TERM received tid %u no ep/qp\n", tid);
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index bbcac539777a..89ac2f9ae6dd 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1948,10 +1948,10 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
qhp->attr.layer_etype = attrs->layer_etype;
qhp->attr.ecode = attrs->ecode;
ep = qhp->ep;
- c4iw_get_ep(&ep->com);
- disconnect = 1;
if (!internal) {
+ c4iw_get_ep(&ep->com);
terminate = 1;
+ disconnect = 1;
} else {
terminate = qhp->attr.send_term;
ret = rdma_fini(rhp, qhp, ep);
diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index c142b23bb401..1aeea5d65c01 100644
--- a/drivers/infiniband/hw/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
@@ -479,6 +479,8 @@ static int _dev_comp_vect_mappings_create(struct hfi1_devdata *dd,
rvt_get_ibdev_name(&(dd)->verbs_dev.rdi), i, cpu);
}
+ free_cpumask_var(available_cpus);
+ free_cpumask_var(non_intr_cpus);
return 0;
fail:
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 7c5e3fb22413..b7bb55b57889 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -200,23 +200,24 @@ static int hfi1_file_open(struct inode *inode, struct file *fp)
fd = kzalloc(sizeof(*fd), GFP_KERNEL);
- if (fd) {
- fd->rec_cpu_num = -1; /* no cpu affinity by default */
- fd->mm = current->mm;
- mmgrab(fd->mm);
- fd->dd = dd;
- kobject_get(&fd->dd->kobj);
- fp->private_data = fd;
- } else {
- fp->private_data = NULL;
-
- if (atomic_dec_and_test(&dd->user_refcount))
- complete(&dd->user_comp);
-
- return -ENOMEM;
- }
-
+ if (!fd || init_srcu_struct(&fd->pq_srcu))
+ goto nomem;
+ spin_lock_init(&fd->pq_rcu_lock);
+ spin_lock_init(&fd->tid_lock);
+ spin_lock_init(&fd->invalid_lock);
+ fd->rec_cpu_num = -1; /* no cpu affinity by default */
+ fd->mm = current->mm;
+ mmgrab(fd->mm);
+ fd->dd = dd;
+ kobject_get(&fd->dd->kobj);
+ fp->private_data = fd;
return 0;
+nomem:
+ kfree(fd);
+ fp->private_data = NULL;
+ if (atomic_dec_and_test(&dd->user_refcount))
+ complete(&dd->user_comp);
+ return -ENOMEM;
}
static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
@@ -301,21 +302,30 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
{
struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
- struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+ struct hfi1_user_sdma_pkt_q *pq;
struct hfi1_user_sdma_comp_q *cq = fd->cq;
int done = 0, reqs = 0;
unsigned long dim = from->nr_segs;
+ int idx;
- if (!cq || !pq)
+ idx = srcu_read_lock(&fd->pq_srcu);
+ pq = srcu_dereference(fd->pq, &fd->pq_srcu);
+ if (!cq || !pq) {
+ srcu_read_unlock(&fd->pq_srcu, idx);
return -EIO;
+ }
- if (!iter_is_iovec(from) || !dim)
+ if (!iter_is_iovec(from) || !dim) {
+ srcu_read_unlock(&fd->pq_srcu, idx);
return -EINVAL;
+ }
trace_hfi1_sdma_request(fd->dd, fd->uctxt->ctxt, fd->subctxt, dim);
- if (atomic_read(&pq->n_reqs) == pq->n_max_reqs)
+ if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
+ srcu_read_unlock(&fd->pq_srcu, idx);
return -ENOSPC;
+ }
while (dim) {
int ret;
@@ -333,6 +343,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
reqs++;
}
+ srcu_read_unlock(&fd->pq_srcu, idx);
return reqs;
}
@@ -707,6 +718,7 @@ static int hfi1_file_close(struct inode *inode, struct file *fp)
if (atomic_dec_and_test(&dd->user_refcount))
complete(&dd->user_comp);
+ cleanup_srcu_struct(&fdata->pq_srcu);
kfree(fdata);
return 0;
}
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index fc10d65fc3e1..27dea5e1e201 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1436,10 +1436,13 @@ struct mmu_rb_handler;
/* Private data for file operations */
struct hfi1_filedata {
+ struct srcu_struct pq_srcu;
struct hfi1_devdata *dd;
struct hfi1_ctxtdata *uctxt;
struct hfi1_user_sdma_comp_q *cq;
- struct hfi1_user_sdma_pkt_q *pq;
+ /* update side lock for SRCU */
+ spinlock_t pq_rcu_lock;
+ struct hfi1_user_sdma_pkt_q __rcu *pq;
u16 subctxt;
/* for cpu affinity; -1 if none */
int rec_cpu_num;
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index f05742ac0949..4da03f823474 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -87,9 +87,6 @@ int hfi1_user_exp_rcv_init(struct hfi1_filedata *fd,
{
int ret = 0;
- spin_lock_init(&fd->tid_lock);
- spin_lock_init(&fd->invalid_lock);
-
fd->entry_to_rb = kcalloc(uctxt->expected_count,
sizeof(struct rb_node *),
GFP_KERNEL);
@@ -142,10 +139,12 @@ void hfi1_user_exp_rcv_free(struct hfi1_filedata *fd)
{
struct hfi1_ctxtdata *uctxt = fd->uctxt;
+ mutex_lock(&uctxt->exp_mutex);
if (!EXP_TID_SET_EMPTY(uctxt->tid_full_list))
unlock_exp_tids(uctxt, &uctxt->tid_full_list, fd);
if (!EXP_TID_SET_EMPTY(uctxt->tid_used_list))
unlock_exp_tids(uctxt, &uctxt->tid_used_list, fd);
+ mutex_unlock(&uctxt->exp_mutex);
kfree(fd->invalid_tids);
fd->invalid_tids = NULL;
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index fd754a16475a..c2f0d9ba93de 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -179,7 +179,6 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
pq = kzalloc(sizeof(*pq), GFP_KERNEL);
if (!pq)
return -ENOMEM;
-
pq->dd = dd;
pq->ctxt = uctxt->ctxt;
pq->subctxt = fd->subctxt;
@@ -236,7 +235,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
goto pq_mmu_fail;
}
- fd->pq = pq;
+ rcu_assign_pointer(fd->pq, pq);
fd->cq = cq;
return 0;
@@ -264,8 +263,14 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd,
trace_hfi1_sdma_user_free_queues(uctxt->dd, uctxt->ctxt, fd->subctxt);
- pq = fd->pq;
+ spin_lock(&fd->pq_rcu_lock);
+ pq = srcu_dereference_check(fd->pq, &fd->pq_srcu,
+ lockdep_is_held(&fd->pq_rcu_lock));
if (pq) {
+ rcu_assign_pointer(fd->pq, NULL);
+ spin_unlock(&fd->pq_rcu_lock);
+ synchronize_srcu(&fd->pq_srcu);
+ /* at this point there can be no more new requests */
if (pq->handler)
hfi1_mmu_rb_unregister(pq->handler);
iowait_sdma_drain(&pq->busy);
@@ -277,7 +282,8 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd,
kfree(pq->req_in_use);
kmem_cache_destroy(pq->txreq_cache);
kfree(pq);
- fd->pq = NULL;
+ } else {
+ spin_unlock(&fd->pq_rcu_lock);
}
if (fd->cq) {
vfree(fd->cq->comps);
@@ -321,7 +327,8 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
{
int ret = 0, i;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
- struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+ struct hfi1_user_sdma_pkt_q *pq =
+ srcu_dereference(fd->pq, &fd->pq_srcu);
struct hfi1_user_sdma_comp_q *cq = fd->cq;
struct hfi1_devdata *dd = pq->dd;
unsigned long idx = 0;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 7e51870e9e01..89ba2f6cd815 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3394,9 +3394,6 @@ static int __mlx5_ib_qp_set_counter(struct ib_qp *qp,
struct mlx5_ib_qp_base *base;
u32 set_id;
- if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id))
- return 0;
-
if (counter)
set_id = counter->id;
else
@@ -6529,6 +6526,7 @@ void mlx5_ib_drain_rq(struct ib_qp *qp)
*/
int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter)
{
+ struct mlx5_ib_dev *dev = to_mdev(qp->device);
struct mlx5_ib_qp *mqp = to_mqp(qp);
int err = 0;
@@ -6538,6 +6536,11 @@ int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter)
goto out;
}
+ if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
if (mqp->state == IB_QPS_RTS) {
err = __mlx5_ib_qp_set_counter(qp, counter);
if (!err)
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 3cdf75d0c7a4..7858d499db03 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -61,6 +61,8 @@
#define RVT_RWQ_COUNT_THRESHOLD 16
static void rvt_rc_timeout(struct timer_list *t);
+static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+ enum ib_qp_type type);
/*
* Convert the AETH RNR timeout code into the number of microseconds.
@@ -452,40 +454,41 @@ int rvt_driver_qp_init(struct rvt_dev_info *rdi)
}
/**
- * free_all_qps - check for QPs still in use
+ * rvt_free_qp_cb - callback function to reset a qp
+ * @qp: the qp to reset
+ * @v: a 64-bit value
+ *
+ * This function resets the qp and removes it from the
+ * qp hash table.
+ */
+static void rvt_free_qp_cb(struct rvt_qp *qp, u64 v)
+{
+ unsigned int *qp_inuse = (unsigned int *)v;
+ struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device);
+
+ /* Reset the qp and remove it from the qp hash list */
+ rvt_reset_qp(rdi, qp, qp->ibqp.qp_type);
+
+ /* Increment the qp_inuse count */
+ (*qp_inuse)++;
+}
+
+/**
+ * rvt_free_all_qps - check for QPs still in use
* @rdi: rvt device info structure
*
* There should not be any QPs still in use.
* Free memory for table.
+ * Return the number of QPs still in use.
*/
static unsigned rvt_free_all_qps(struct rvt_dev_info *rdi)
{
- unsigned long flags;
- struct rvt_qp *qp;
- unsigned n, qp_inuse = 0;
- spinlock_t *ql; /* work around too long line below */
-
- if (rdi->driver_f.free_all_qps)
- qp_inuse = rdi->driver_f.free_all_qps(rdi);
+ unsigned int qp_inuse = 0;
qp_inuse += rvt_mcast_tree_empty(rdi);
- if (!rdi->qp_dev)
- return qp_inuse;
-
- ql = &rdi->qp_dev->qpt_lock;
- spin_lock_irqsave(ql, flags);
- for (n = 0; n < rdi->qp_dev->qp_table_size; n++) {
- qp = rcu_dereference_protected(rdi->qp_dev->qp_table[n],
- lockdep_is_held(ql));
- RCU_INIT_POINTER(rdi->qp_dev->qp_table[n], NULL);
+ rvt_qp_iter(rdi, (u64)&qp_inuse, rvt_free_qp_cb);
- for (; qp; qp = rcu_dereference_protected(qp->next,
- lockdep_is_held(ql)))
- qp_inuse++;
- }
- spin_unlock_irqrestore(ql, flags);
- synchronize_rcu();
return qp_inuse;
}
@@ -902,14 +905,14 @@ static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
}
/**
- * rvt_reset_qp - initialize the QP state to the reset state
+ * _rvt_reset_qp - initialize the QP state to the reset state
* @qp: the QP to reset
* @type: the QP type
*
* r_lock, s_hlock, and s_lock are required to be held by the caller
*/
-static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
- enum ib_qp_type type)
+static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+ enum ib_qp_type type)
__must_hold(&qp->s_lock)
__must_hold(&qp->s_hlock)
__must_hold(&qp->r_lock)
@@ -955,6 +958,27 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
lockdep_assert_held(&qp->s_lock);
}
+/**
+ * rvt_reset_qp - initialize the QP state to the reset state
+ * @rdi: the device info
+ * @qp: the QP to reset
+ * @type: the QP type
+ *
+ * This is the wrapper function to acquire the r_lock, s_hlock, and s_lock
+ * before calling _rvt_reset_qp().
+ */
+static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+ enum ib_qp_type type)
+{
+ spin_lock_irq(&qp->r_lock);
+ spin_lock(&qp->s_hlock);
+ spin_lock(&qp->s_lock);
+ _rvt_reset_qp(rdi, qp, type);
+ spin_unlock(&qp->s_lock);
+ spin_unlock(&qp->s_hlock);
+ spin_unlock_irq(&qp->r_lock);
+}
+
/** rvt_free_qpn - Free a qpn from the bit map
* @qpt: QP table
* @qpn: queue pair number to free
@@ -1546,7 +1570,7 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
switch (new_state) {
case IB_QPS_RESET:
if (qp->state != IB_QPS_RESET)
- rvt_reset_qp(rdi, qp, ibqp->qp_type);
+ _rvt_reset_qp(rdi, qp, ibqp->qp_type);
break;
case IB_QPS_RTR:
@@ -1695,13 +1719,7 @@ int rvt_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);
struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
- spin_lock_irq(&qp->r_lock);
- spin_lock(&qp->s_hlock);
- spin_lock(&qp->s_lock);
rvt_reset_qp(rdi, qp, ibqp->qp_type);
- spin_unlock(&qp->s_lock);
- spin_unlock(&qp->s_hlock);
- spin_unlock_irq(&qp->r_lock);
wait_event(qp->wait, !atomic_read(&qp->refcount));
/* qpn is now available for use again */
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 116cafc9afcf..4bc88708b355 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -329,7 +329,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
qp->comp.psn = pkt->psn;
if (qp->req.wait_psn) {
qp->req.wait_psn = 0;
- rxe_run_task(&qp->req.task, 1);
+ rxe_run_task(&qp->req.task, 0);
}
}
return COMPST_ERROR_RETRY;
@@ -463,7 +463,7 @@ static void do_complete(struct rxe_qp *qp, struct rxe_send_wqe *wqe)
*/
if (qp->req.wait_fence) {
qp->req.wait_fence = 0;
- rxe_run_task(&qp->req.task, 1);
+ rxe_run_task(&qp->req.task, 0);
}
}
@@ -479,7 +479,7 @@ static inline enum comp_state complete_ack(struct rxe_qp *qp,
if (qp->req.need_rd_atomic) {
qp->comp.timeout_retry = 0;
qp->req.need_rd_atomic = 0;
- rxe_run_task(&qp->req.task, 1);
+ rxe_run_task(&qp->req.task, 0);
}
}
@@ -725,7 +725,7 @@ int rxe_completer(void *arg)
RXE_CNT_COMP_RETRY);
qp->req.need_retry = 1;
qp->comp.started_retry = 1;
- rxe_run_task(&qp->req.task, 1);
+ rxe_run_task(&qp->req.task, 0);
}
if (pkt) {
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 1ae6f8bba9ae..2c666fb34625 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -146,7 +146,6 @@ static const char * const topbuttonpad_pnp_ids[] = {
"LEN0042", /* Yoga */
"LEN0045",
"LEN0047",
- "LEN0049",
"LEN2000", /* S540 */
"LEN2001", /* Edge E431 */
"LEN2002", /* Edge E531 */
@@ -166,9 +165,11 @@ static const char * const smbus_pnp_ids[] = {
/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */
+ "LEN0049", /* Yoga 11e */
"LEN004a", /* W541 */
"LEN005b", /* P50 */
"LEN005e", /* T560 */
+ "LEN006c", /* T470s */
"LEN0071", /* T480 */
"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
"LEN0073", /* X1 Carbon G5 (Elantech) */
@@ -179,6 +180,7 @@ static const char * const smbus_pnp_ids[] = {
"LEN0097", /* X280 -> ALPS trackpoint */
"LEN009b", /* T580 */
"LEN200f", /* T450s */
+ "LEN2044", /* L470 */
"LEN2054", /* E480 */
"LEN2055", /* E580 */
"SYN3052", /* HP EliteBook 840 G4 */
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 4a17096e83e1..84bf51d79888 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -321,7 +321,7 @@ static umode_t ili210x_calibrate_visible(struct kobject *kobj,
struct i2c_client *client = to_i2c_client(dev);
struct ili210x *priv = i2c_get_clientdata(client);
- return priv->chip->has_calibrate_reg;
+ return priv->chip->has_calibrate_reg ? attr->mode : 0;
}
static const struct attribute_group ili210x_attr_group = {
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 105b7a7c0251..b3484def0a8b 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -176,7 +176,6 @@ int mmc_of_parse(struct mmc_host *host)
u32 bus_width, drv_type, cd_debounce_delay_ms;
int ret;
bool cd_cap_invert, cd_gpio_invert = false;
- bool ro_cap_invert, ro_gpio_invert = false;
if (!dev || !dev_fwnode(dev))
return 0;
@@ -255,9 +254,11 @@ int mmc_of_parse(struct mmc_host *host)
}
/* Parse Write Protection */
- ro_cap_invert = device_property_read_bool(dev, "wp-inverted");
- ret = mmc_gpiod_request_ro(host, "wp", 0, 0, &ro_gpio_invert);
+ if (device_property_read_bool(dev, "wp-inverted"))
+ host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
+ ret = mmc_gpiod_request_ro(host, "wp", 0, 0, NULL);
if (!ret)
dev_info(host->parent, "Got WP GPIO\n");
else if (ret != -ENOENT && ret != -ENOSYS)
@@ -266,10 +267,6 @@ int mmc_of_parse(struct mmc_host *host)
if (device_property_read_bool(dev, "disable-wp"))
host->caps2 |= MMC_CAP2_NO_WRITE_PROTECT;
- /* See the comment on CD inversion above */
- if (ro_cap_invert ^ ro_gpio_invert)
- host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
-
if (device_property_read_bool(dev, "cap-sd-highspeed"))
host->caps |= MMC_CAP_SD_HIGHSPEED;
if (device_property_read_bool(dev, "cap-mmc-highspeed"))
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index da2596c5fa28..582ec3d720f6 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -241,6 +241,9 @@ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
return ret;
}
+ if (host->caps2 & MMC_CAP2_RO_ACTIVE_HIGH)
+ gpiod_toggle_active_low(desc);
+
if (gpio_invert)
*gpio_invert = !gpiod_is_active_low(desc);
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 024acc1b0a2e..b2bbcb09a49e 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -740,16 +740,16 @@ static int pxamci_probe(struct platform_device *pdev)
goto out;
}
+ if (!host->pdata->gpio_card_ro_invert)
+ mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL);
if (ret && ret != -ENOENT) {
dev_err(dev, "Failed requesting gpio_ro\n");
goto out;
}
- if (!ret) {
+ if (!ret)
host->use_ro_gpio = true;
- mmc->caps2 |= host->pdata->gpio_card_ro_invert ?
- 0 : MMC_CAP2_RO_ACTIVE_HIGH;
- }
if (host->pdata->init)
host->pdata->init(dev, pxamci_detect_irq, mmc);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1c988d6a2433..dccb4df46512 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1381,13 +1381,14 @@ static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev,
host->mmc->parent->platform_data);
/* write_protect */
if (boarddata->wp_type == ESDHC_WP_GPIO) {
+ host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
err = mmc_gpiod_request_ro(host->mmc, "wp", 0, 0, NULL);
if (err) {
dev_err(mmc_dev(host->mmc),
"failed to request write-protect gpio!\n");
return err;
}
- host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
}
/* card_detect */
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 5dc32b72e7fa..641c07347e8d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3867,7 +3867,7 @@ static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
if (!log)
return;
- if (nvme_get_log(ctrl, NVME_NSID_ALL, 0, NVME_LOG_FW_SLOT, log,
+ if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, log,
sizeof(*log), 0))
dev_warn(ctrl->device, "Get FW SLOT INFO log error\n");
kfree(log);
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index d78d77686d7b..cda75118ccdb 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -774,7 +774,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
return -EFAULT;
rc = cca_sec2protkey(ksp.cardnr, ksp.domain,
ksp.seckey.seckey, ksp.protkey.protkey,
- NULL, &ksp.protkey.type);
+ &ksp.protkey.len, &ksp.protkey.type);
DEBUG_DBG("%s cca_sec2protkey()=%d\n", __func__, rc);
if (rc)
break;
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index 97acc2ba2912..de844b412110 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -731,6 +731,7 @@ static int qpnpint_irq_domain_translate(struct irq_domain *d,
return 0;
}
+static struct lock_class_key qpnpint_irq_lock_class, qpnpint_irq_request_class;
static void qpnpint_irq_domain_map(struct spmi_pmic_arb *pmic_arb,
struct irq_domain *domain, unsigned int virq,
@@ -746,6 +747,9 @@ static void qpnpint_irq_domain_map(struct spmi_pmic_arb *pmic_arb,
else
handler = handle_level_irq;
+
+ irq_set_lockdep_class(virq, &qpnpint_irq_lock_class,
+ &qpnpint_irq_request_class);
irq_domain_set_info(domain, virq, hwirq, &pmic_arb_irqchip, pmic_arb,
handler, NULL, NULL);
}
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0c3c6450d1df..c1e47db439e2 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3164,6 +3164,7 @@ int __cold open_ctree(struct super_block *sb,
/* do not make disk changes in broken FS or nologreplay is given */
if (btrfs_super_log_root(disk_super) != 0 &&
!btrfs_test_opt(fs_info, NOLOGREPLAY)) {
+ btrfs_info(fs_info, "start tree-log replay");
ret = btrfs_replay_log(fs_info, fs_devices);
if (ret) {
err = ret;
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 6f417ff68980..bd6229fb2b6f 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -237,6 +237,17 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
struct extent_map *merge = NULL;
struct rb_node *rb;
+ /*
+ * We can't modify an extent map that is in the tree and that is being
+ * used by another task, as it can cause that other task to see it in
+ * inconsistent state during the merging. We always have 1 reference for
+ * the tree and 1 for this task (which is unpinning the extent map or
+ * clearing the logging flag), so anything > 2 means it's being used by
+ * other tasks too.
+ */
+ if (refcount_read(&em->refs) > 2)
+ return;
+
if (em->start != 0) {
rb = rb_prev(&em->rb_node);
if (rb)
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index b57f3618e58e..454a1015d026 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -744,6 +744,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
*/
be = add_block_entry(fs_info, bytenr, num_bytes, ref_root);
if (IS_ERR(be)) {
+ kfree(ref);
kfree(ra);
ret = PTR_ERR(be);
goto out;
@@ -757,6 +758,8 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
"re-allocated a block that still has references to it!");
dump_block_entry(fs_info, be);
dump_ref_action(fs_info, ra);
+ kfree(ref);
+ kfree(ra);
goto out_unlock;
}
@@ -819,6 +822,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
"dropping a ref for a existing root that doesn't have a ref on the block");
dump_block_entry(fs_info, be);
dump_ref_action(fs_info, ra);
+ kfree(ref);
kfree(ra);
goto out_unlock;
}
@@ -834,6 +838,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
"attempting to add another ref for an existing ref on a tree block");
dump_block_entry(fs_info, be);
dump_ref_action(fs_info, ra);
+ kfree(ref);
kfree(ra);
goto out_unlock;
}
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 6ccfef72d0e1..c6557d44907a 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1803,6 +1803,8 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
}
if (btrfs_super_log_root(fs_info->super_copy) != 0) {
+ btrfs_warn(fs_info,
+ "mount required to replay tree-log, cannot remount read-write");
ret = -EINVAL;
goto restore;
}
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 29a795f975df..9b5536451528 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1020,10 +1020,6 @@ static int ceph_get_tree(struct fs_context *fc)
if (!fc->source)
return invalf(fc, "ceph: No source");
-#ifdef CONFIG_CEPH_FS_POSIX_ACL
- fc->sb_flags |= SB_POSIXACL;
-#endif
-
/* create client (which we may/may not use) */
fsc = create_fs_client(pctx->opts, pctx->copts);
pctx->opts = NULL;
@@ -1141,6 +1137,10 @@ static int ceph_init_fs_context(struct fs_context *fc)
fsopt->max_readdir_bytes = CEPH_MAX_READDIR_BYTES_DEFAULT;
fsopt->congestion_kb = default_congestion_kb();
+#ifdef CONFIG_CEPH_FS_POSIX_ACL
+ fc->sb_flags |= SB_POSIXACL;
+#endif
+
fc->fs_private = pctx;
fc->ops = &ceph_context_ops;
return 0;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5492b9860baa..92b9c8221f07 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -414,7 +414,7 @@ cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
seq_puts(s, "ntlm");
break;
case Kerberos:
- seq_printf(s, "krb5,cruid=%u", from_kuid_munged(&init_user_ns,ses->cred_uid));
+ seq_puts(s, "krb5");
break;
case RawNTLMSSP:
seq_puts(s, "ntlmssp");
@@ -427,6 +427,10 @@ cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
if (ses->sign)
seq_puts(s, "i");
+
+ if (ses->sectype == Kerberos)
+ seq_printf(s, ",cruid=%u",
+ from_kuid_munged(&init_user_ns, ses->cred_uid));
}
static void
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 4b9c805ae5e1..65f76be0f454 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1115,7 +1115,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
void *data[1];
struct smb2_file_full_ea_info *ea = NULL;
struct kvec close_iov[1];
- int rc;
+ struct smb2_query_info_rsp *rsp;
+ int rc, used_len = 0;
if (smb3_encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
@@ -1138,6 +1139,38 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
cifs_sb);
if (rc == -ENODATA)
goto sea_exit;
+ } else {
+ /* If we are adding a attribute we should first check
+ * if there will be enough space available to store
+ * the new EA. If not we should not add it since we
+ * would not be able to even read the EAs back.
+ */
+ rc = smb2_query_info_compound(xid, tcon, utf16_path,
+ FILE_READ_EA,
+ FILE_FULL_EA_INFORMATION,
+ SMB2_O_INFO_FILE,
+ CIFSMaxBufSize -
+ MAX_SMB2_CREATE_RESPONSE_SIZE -
+ MAX_SMB2_CLOSE_RESPONSE_SIZE,
+ &rsp_iov[1], &resp_buftype[1], cifs_sb);
+ if (rc == 0) {
+ rsp = (struct smb2_query_info_rsp *)rsp_iov[1].iov_base;
+ used_len = le32_to_cpu(rsp->OutputBufferLength);
+ }
+ free_rsp_buf(resp_buftype[1], rsp_iov[1].iov_base);
+ resp_buftype[1] = CIFS_NO_BUFFER;
+ memset(&rsp_iov[1], 0, sizeof(rsp_iov[1]));
+ rc = 0;
+
+ /* Use a fudge factor of 256 bytes in case we collide
+ * with a different set_EAs command.
+ */
+ if(CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE -
+ MAX_SMB2_CLOSE_RESPONSE_SIZE - 256 <
+ used_len + ea_name_len + ea_value_len + 1) {
+ rc = -ENOSPC;
+ goto sea_exit;
+ }
}
}
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 1ee04e76bbe0..0a734ffb4310 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -207,6 +207,7 @@ static int ext4_protect_reserved_inode(struct super_block *sb,
return PTR_ERR(inode);
num = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
while (i < num) {
+ cond_resched();
map.m_lblk = i;
map.m_len = num - i;
n = ext4_map_blocks(NULL, inode, &map, 0);
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 060f8a6a5da9..4dc2615ab289 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -129,12 +129,14 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
if (err != ERR_BAD_DX_DIR) {
return err;
}
- /*
- * We don't set the inode dirty flag since it's not
- * critical that it get flushed back to the disk.
- */
- ext4_clear_inode_flag(file_inode(file),
- EXT4_INODE_INDEX);
+ /* Can we just clear INDEX flag to ignore htree information? */
+ if (!ext4_has_metadata_csum(sb)) {
+ /*
+ * We don't set the inode dirty flag since it's not
+ * critical that it gets flushed back to the disk.
+ */
+ ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+ }
}
if (ext4_has_inline_data(inode)) {
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index f8578caba40d..1fd6c1e2ce2a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2482,8 +2482,11 @@ void ext4_insert_dentry(struct inode *inode,
struct ext4_filename *fname);
static inline void ext4_update_dx_flag(struct inode *inode)
{
- if (!ext4_has_feature_dir_index(inode->i_sb))
+ if (!ext4_has_feature_dir_index(inode->i_sb)) {
+ /* ext4_iget() should have caught this... */
+ WARN_ON_ONCE(ext4_has_feature_metadata_csum(inode->i_sb));
ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+ }
}
static const unsigned char ext4_filetype_table[] = {
DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, DT_FIFO, DT_SOCK, DT_LNK
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 629a25d999f0..25191201ccdc 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4615,6 +4615,18 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
ret = -EFSCORRUPTED;
goto bad_inode;
}
+ /*
+ * If dir_index is not enabled but there's dir with INDEX flag set,
+ * we'd normally treat htree data as empty space. But with metadata
+ * checksumming that corrupts checksums so forbid that.
+ */
+ if (!ext4_has_feature_dir_index(sb) && ext4_has_metadata_csum(sb) &&
+ ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) {
+ ext4_error_inode(inode, function, line, 0,
+ "iget: Dir with htree data on filesystem without dir_index feature.");
+ ret = -EFSCORRUPTED;
+ goto bad_inode;
+ }
ei->i_disksize = inode->i_size;
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 2305b4374fd3..9d00e0dd2ba9 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -120,10 +120,10 @@ void __dump_mmp_msg(struct super_block *sb, struct mmp_struct *mmp,
{
__ext4_warning(sb, function, line, "%s", msg);
__ext4_warning(sb, function, line,
- "MMP failure info: last update time: %llu, last update "
- "node: %s, last update device: %s",
- (long long unsigned int) le64_to_cpu(mmp->mmp_time),
- mmp->mmp_nodename, mmp->mmp_bdevname);
+ "MMP failure info: last update time: %llu, last update node: %.*s, last update device: %.*s",
+ (unsigned long long)le64_to_cpu(mmp->mmp_time),
+ (int)sizeof(mmp->mmp_nodename), mmp->mmp_nodename,
+ (int)sizeof(mmp->mmp_bdevname), mmp->mmp_bdevname);
}
/*
@@ -154,6 +154,7 @@ static int kmmpd(void *data)
mmp_check_interval = max(EXT4_MMP_CHECK_MULT * mmp_update_interval,
EXT4_MMP_MIN_CHECK_INTERVAL);
mmp->mmp_check_interval = cpu_to_le16(mmp_check_interval);
+ BUILD_BUG_ON(sizeof(mmp->mmp_bdevname) < BDEVNAME_SIZE);
bdevname(bh->b_bdev, mmp->mmp_bdevname);
memcpy(mmp->mmp_nodename, init_utsname()->nodename,
@@ -375,7 +376,8 @@ int ext4_multi_mount_protect(struct super_block *sb,
/*
* Start a kernel thread to update the MMP block periodically.
*/
- EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%s",
+ EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%.*s",
+ (int)sizeof(mmp->mmp_bdevname),
bdevname(bh->b_bdev,
mmp->mmp_bdevname));
if (IS_ERR(EXT4_SB(sb)->s_mmp_tsk)) {
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 1cb42d940784..deb9f7a02976 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2207,6 +2207,13 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
retval = ext4_dx_add_entry(handle, &fname, dir, inode);
if (!retval || (retval != ERR_BAD_DX_DIR))
goto out;
+ /* Can we just ignore htree data? */
+ if (ext4_has_metadata_csum(sb)) {
+ EXT4_ERROR_INODE(dir,
+ "Directory has corrupted htree index.");
+ retval = -EFSCORRUPTED;
+ goto out;
+ }
ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
dx_fallback++;
ext4_mark_inode_dirty(handle, dir);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2937a8873fe1..c51d7ef2e467 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2964,17 +2964,11 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
return 0;
}
-#ifndef CONFIG_QUOTA
- if (ext4_has_feature_quota(sb) && !readonly) {
+#if !defined(CONFIG_QUOTA) || !defined(CONFIG_QFMT_V2)
+ if (!readonly && (ext4_has_feature_quota(sb) ||
+ ext4_has_feature_project(sb))) {
ext4_msg(sb, KERN_ERR,
- "Filesystem with quota feature cannot be mounted RDWR "
- "without CONFIG_QUOTA");
- return 0;
- }
- if (ext4_has_feature_project(sb) && !readonly) {
- ext4_msg(sb, KERN_ERR,
- "Filesystem with project quota feature cannot be mounted RDWR "
- "without CONFIG_QUOTA");
+ "The kernel was not built with CONFIG_QUOTA and CONFIG_QFMT_V2");
return 0;
}
#endif /* CONFIG_QUOTA */
@@ -3768,6 +3762,15 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
*/
sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT;
+ blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
+ if (blocksize < EXT4_MIN_BLOCK_SIZE ||
+ blocksize > EXT4_MAX_BLOCK_SIZE) {
+ ext4_msg(sb, KERN_ERR,
+ "Unsupported filesystem blocksize %d (%d log_block_size)",
+ blocksize, le32_to_cpu(es->s_log_block_size));
+ goto failed_mount;
+ }
+
if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
sbi->s_first_ino = EXT4_GOOD_OLD_FIRST_INO;
@@ -3785,6 +3788,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
ext4_msg(sb, KERN_ERR,
"unsupported inode size: %d",
sbi->s_inode_size);
+ ext4_msg(sb, KERN_ERR, "blocksize: %d", blocksize);
goto failed_mount;
}
/*
@@ -3988,14 +3992,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
if (!ext4_feature_set_ok(sb, (sb_rdonly(sb))))
goto failed_mount;
- blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
- if (blocksize < EXT4_MIN_BLOCK_SIZE ||
- blocksize > EXT4_MAX_BLOCK_SIZE) {
- ext4_msg(sb, KERN_ERR,
- "Unsupported filesystem blocksize %d (%d log_block_size)",
- blocksize, le32_to_cpu(es->s_log_block_size));
- goto failed_mount;
- }
if (le32_to_cpu(es->s_log_block_size) >
(EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
ext4_msg(sb, KERN_ERR,
@@ -5540,9 +5536,15 @@ static int ext4_statfs_project(struct super_block *sb,
return PTR_ERR(dquot);
spin_lock(&dquot->dq_dqb_lock);
- limit = (dquot->dq_dqb.dqb_bsoftlimit ?
- dquot->dq_dqb.dqb_bsoftlimit :
- dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits;
+ limit = 0;
+ if (dquot->dq_dqb.dqb_bsoftlimit &&
+ (!limit || dquot->dq_dqb.dqb_bsoftlimit < limit))
+ limit = dquot->dq_dqb.dqb_bsoftlimit;
+ if (dquot->dq_dqb.dqb_bhardlimit &&
+ (!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
+ limit = dquot->dq_dqb.dqb_bhardlimit;
+ limit >>= sb->s_blocksize_bits;
+
if (limit && buf->f_blocks > limit) {
curblock = (dquot->dq_dqb.dqb_curspace +
dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
@@ -5552,9 +5554,14 @@ static int ext4_statfs_project(struct super_block *sb,
(buf->f_blocks - curblock) : 0;
}
- limit = dquot->dq_dqb.dqb_isoftlimit ?
- dquot->dq_dqb.dqb_isoftlimit :
- dquot->dq_dqb.dqb_ihardlimit;
+ limit = 0;
+ if (dquot->dq_dqb.dqb_isoftlimit &&
+ (!limit || dquot->dq_dqb.dqb_isoftlimit < limit))
+ limit = dquot->dq_dqb.dqb_isoftlimit;
+ if (dquot->dq_dqb.dqb_ihardlimit &&
+ (!limit || dquot->dq_dqb.dqb_ihardlimit < limit))
+ limit = dquot->dq_dqb.dqb_ihardlimit;
+
if (limit && buf->f_files > limit) {
buf->f_files = limit;
buf->f_ffree =
diff --git a/fs/io-wq.c b/fs/io-wq.c
index 5147d2213b01..0dc4bb6de656 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/kthread.h>
#include <linux/rculist_nulls.h>
+#include <linux/fs_struct.h>
#include "io-wq.h"
@@ -58,6 +59,7 @@ struct io_worker {
struct mm_struct *mm;
const struct cred *creds;
struct files_struct *restore_files;
+ struct fs_struct *restore_fs;
};
#if BITS_PER_LONG == 64
@@ -150,6 +152,9 @@ static bool __io_worker_unuse(struct io_wqe *wqe, struct io_worker *worker)
task_unlock(current);
}
+ if (current->fs != worker->restore_fs)
+ current->fs = worker->restore_fs;
+
/*
* If we have an active mm, we need to drop the wq lock before unusing
* it. If we do, return true and let the caller retry the idle loop.
@@ -310,6 +315,7 @@ static void io_worker_start(struct io_wqe *wqe, struct io_worker *worker)
worker->flags |= (IO_WORKER_F_UP | IO_WORKER_F_RUNNING);
worker->restore_files = current->files;
+ worker->restore_fs = current->fs;
io_wqe_inc_running(wqe, worker);
}
@@ -456,6 +462,8 @@ static void io_worker_handle_work(struct io_worker *worker)
}
if (!worker->creds)
worker->creds = override_creds(wq->creds);
+ if (work->fs && current->fs != work->fs)
+ current->fs = work->fs;
if (test_bit(IO_WQ_BIT_CANCEL, &wq->state))
work->flags |= IO_WQ_WORK_CANCEL;
if (worker->mm)
diff --git a/fs/io-wq.h b/fs/io-wq.h
index 3f5e356de980..bbab98d1d328 100644
--- a/fs/io-wq.h
+++ b/fs/io-wq.h
@@ -72,6 +72,7 @@ struct io_wq_work {
};
void (*func)(struct io_wq_work **);
struct files_struct *files;
+ struct fs_struct *fs;
unsigned flags;
};
@@ -79,8 +80,9 @@ struct io_wq_work {
do { \
(work)->list.next = NULL; \
(work)->func = _func; \
- (work)->flags = 0; \
(work)->files = NULL; \
+ (work)->fs = NULL; \
+ (work)->flags = 0; \
} while (0) \
typedef void (get_work_fn)(struct io_wq_work *);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index f470fb21467e..6ae692b02980 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1786,17 +1786,6 @@ static int io_alloc_async_ctx(struct io_kiocb *req)
return req->io == NULL;
}
-static void io_rw_async(struct io_wq_work **workptr)
-{
- struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work);
- struct iovec *iov = NULL;
-
- if (req->io->rw.iov != req->io->rw.fast_iov)
- iov = req->io->rw.iov;
- io_wq_submit_work(workptr);
- kfree(iov);
-}
-
static int io_setup_async_rw(struct io_kiocb *req, ssize_t io_size,
struct iovec *iovec, struct iovec *fast_iov,
struct iov_iter *iter)
@@ -1810,7 +1799,6 @@ static int io_setup_async_rw(struct io_kiocb *req, ssize_t io_size,
io_req_map_rw(req, io_size, iovec, fast_iov, iter);
}
- req->work.func = io_rw_async;
return 0;
}
@@ -1897,8 +1885,7 @@ static int io_read(struct io_kiocb *req, struct io_kiocb **nxt,
}
}
out_free:
- if (!io_wq_current_is_worker())
- kfree(iovec);
+ kfree(iovec);
return ret;
}
@@ -1991,6 +1978,12 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt,
ret2 = call_write_iter(req->file, kiocb, &iter);
else
ret2 = loop_rw_iter(WRITE, req->file, kiocb, &iter);
+ /*
+ * Raw bdev writes will -EOPNOTSUPP for IOCB_NOWAIT. Just
+ * retry them without IOCB_NOWAIT.
+ */
+ if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT))
+ ret2 = -EAGAIN;
if (!force_nonblock || ret2 != -EAGAIN) {
kiocb_done(kiocb, ret2, nxt, req->in_async);
} else {
@@ -2003,8 +1996,7 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt,
}
}
out_free:
- if (!io_wq_current_is_worker())
- kfree(iovec);
+ kfree(iovec);
return ret;
}
@@ -2174,19 +2166,6 @@ static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt,
return 0;
}
-#if defined(CONFIG_NET)
-static void io_sendrecv_async(struct io_wq_work **workptr)
-{
- struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work);
- struct iovec *iov = NULL;
-
- if (req->io->rw.iov != req->io->rw.fast_iov)
- iov = req->io->msg.iov;
- io_wq_submit_work(workptr);
- kfree(iov);
-}
-#endif
-
static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
#if defined(CONFIG_NET)
@@ -2254,17 +2233,19 @@ static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt,
if (force_nonblock && ret == -EAGAIN) {
if (req->io)
return -EAGAIN;
- if (io_alloc_async_ctx(req))
+ if (io_alloc_async_ctx(req)) {
+ if (kmsg && kmsg->iov != kmsg->fast_iov)
+ kfree(kmsg->iov);
return -ENOMEM;
+ }
memcpy(&req->io->msg, &io.msg, sizeof(io.msg));
- req->work.func = io_sendrecv_async;
return -EAGAIN;
}
if (ret == -ERESTARTSYS)
ret = -EINTR;
}
- if (!io_wq_current_is_worker() && kmsg && kmsg->iov != kmsg->fast_iov)
+ if (kmsg && kmsg->iov != kmsg->fast_iov)
kfree(kmsg->iov);
io_cqring_add_event(req, ret);
if (ret < 0)
@@ -2346,17 +2327,19 @@ static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt,
if (force_nonblock && ret == -EAGAIN) {
if (req->io)
return -EAGAIN;
- if (io_alloc_async_ctx(req))
+ if (io_alloc_async_ctx(req)) {
+ if (kmsg && kmsg->iov != kmsg->fast_iov)
+ kfree(kmsg->iov);
return -ENOMEM;
+ }
memcpy(&req->io->msg, &io.msg, sizeof(io.msg));
- req->work.func = io_sendrecv_async;
return -EAGAIN;
}
if (ret == -ERESTARTSYS)
ret = -EINTR;
}
- if (!io_wq_current_is_worker() && kmsg && kmsg->iov != kmsg->fast_iov)
+ if (kmsg && kmsg->iov != kmsg->fast_iov)
kfree(kmsg->iov);
io_cqring_add_event(req, ret);
if (ret < 0)
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 7f0b362b3842..3845750f70ec 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -976,29 +976,33 @@ void jbd2_journal_commit_transaction(journal_t *journal)
* it. */
/*
- * A buffer which has been freed while still being journaled by
- * a previous transaction.
- */
- if (buffer_freed(bh)) {
+ * A buffer which has been freed while still being journaled
+ * by a previous transaction, refile the buffer to BJ_Forget of
+ * the running transaction. If the just committed transaction
+ * contains "add to orphan" operation, we can completely
+ * invalidate the buffer now. We are rather through in that
+ * since the buffer may be still accessible when blocksize <
+ * pagesize and it is attached to the last partial page.
+ */
+ if (buffer_freed(bh) && !jh->b_next_transaction) {
+ struct address_space *mapping;
+
+ clear_buffer_freed(bh);
+ clear_buffer_jbddirty(bh);
+
/*
- * If the running transaction is the one containing
- * "add to orphan" operation (b_next_transaction !=
- * NULL), we have to wait for that transaction to
- * commit before we can really get rid of the buffer.
- * So just clear b_modified to not confuse transaction
- * credit accounting and refile the buffer to
- * BJ_Forget of the running transaction. If the just
- * committed transaction contains "add to orphan"
- * operation, we can completely invalidate the buffer
- * now. We are rather through in that since the
- * buffer may be still accessible when blocksize <
- * pagesize and it is attached to the last partial
- * page.
+ * Block device buffers need to stay mapped all the
+ * time, so it is enough to clear buffer_jbddirty and
+ * buffer_freed bits. For the file mapping buffers (i.e.
+ * journalled data) we need to unmap buffer and clear
+ * more bits. We also need to be careful about the check
+ * because the data page mapping can get cleared under
+ * out hands, which alse need not to clear more bits
+ * because the page and buffers will be freed and can
+ * never be reused once we are done with them.
*/
- jh->b_modified = 0;
- if (!jh->b_next_transaction) {
- clear_buffer_freed(bh);
- clear_buffer_jbddirty(bh);
+ mapping = READ_ONCE(bh->b_page->mapping);
+ if (mapping && !sb_is_blkdev_sb(mapping->host->i_sb)) {
clear_buffer_mapped(bh);
clear_buffer_new(bh);
clear_buffer_req(bh);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 27b9f9dee434..0603dfa9ad90 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2329,14 +2329,16 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
return -EBUSY;
}
/*
- * OK, buffer won't be reachable after truncate. We just set
- * j_next_transaction to the running transaction (if there is
- * one) and mark buffer as freed so that commit code knows it
- * should clear dirty bits when it is done with the buffer.
+ * OK, buffer won't be reachable after truncate. We just clear
+ * b_modified to not confuse transaction credit accounting, and
+ * set j_next_transaction to the running transaction (if there
+ * is one) and mark buffer as freed so that commit code knows
+ * it should clear dirty bits when it is done with the buffer.
*/
set_buffer_freed(bh);
if (journal->j_running_transaction && buffer_jbddirty(bh))
jh->b_next_transaction = journal->j_running_transaction;
+ jh->b_modified = 0;
spin_unlock(&journal->j_list_lock);
spin_unlock(&jh->b_state_lock);
write_unlock(&journal->j_state_lock);
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index fe57b2b5314a..8e322bacde69 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -25,13 +25,29 @@
#include "internal.h"
#include "nfs4trace.h"
-static void nfs_free_delegation(struct nfs_delegation *delegation)
+static atomic_long_t nfs_active_delegations;
+
+static void __nfs_free_delegation(struct nfs_delegation *delegation)
{
put_cred(delegation->cred);
delegation->cred = NULL;
kfree_rcu(delegation, rcu);
}
+static void nfs_mark_delegation_revoked(struct nfs_delegation *delegation)
+{
+ if (!test_and_set_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) {
+ delegation->stateid.type = NFS4_INVALID_STATEID_TYPE;
+ atomic_long_dec(&nfs_active_delegations);
+ }
+}
+
+static void nfs_free_delegation(struct nfs_delegation *delegation)
+{
+ nfs_mark_delegation_revoked(delegation);
+ __nfs_free_delegation(delegation);
+}
+
/**
* nfs_mark_delegation_referenced - set delegation's REFERENCED flag
* @delegation: delegation to process
@@ -222,13 +238,18 @@ void nfs_inode_reclaim_delegation(struct inode *inode, const struct cred *cred,
static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int issync)
{
+ const struct cred *cred;
int res = 0;
- if (!test_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
- res = nfs4_proc_delegreturn(inode,
- delegation->cred,
+ if (!test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) {
+ spin_lock(&delegation->lock);
+ cred = get_cred(delegation->cred);
+ spin_unlock(&delegation->lock);
+ res = nfs4_proc_delegreturn(inode, cred,
&delegation->stateid,
issync);
+ put_cred(cred);
+ }
return res;
}
@@ -343,7 +364,8 @@ nfs_update_inplace_delegation(struct nfs_delegation *delegation,
delegation->stateid.seqid = update->stateid.seqid;
smp_wmb();
delegation->type = update->type;
- clear_bit(NFS_DELEGATION_REVOKED, &delegation->flags);
+ if (test_and_clear_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
+ atomic_long_inc(&nfs_active_delegations);
}
}
@@ -423,6 +445,8 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred,
rcu_assign_pointer(nfsi->delegation, delegation);
delegation = NULL;
+ atomic_long_inc(&nfs_active_delegations);
+
trace_nfs4_set_delegation(inode, type);
spin_lock(&inode->i_lock);
@@ -432,7 +456,7 @@ int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred,
out:
spin_unlock(&clp->cl_lock);
if (delegation != NULL)
- nfs_free_delegation(delegation);
+ __nfs_free_delegation(delegation);
if (freeme != NULL) {
nfs_do_return_delegation(inode, freeme, 0);
nfs_free_delegation(freeme);
@@ -760,13 +784,6 @@ static void nfs_client_mark_return_unused_delegation_types(struct nfs_client *cl
rcu_read_unlock();
}
-static void nfs_mark_delegation_revoked(struct nfs_server *server,
- struct nfs_delegation *delegation)
-{
- set_bit(NFS_DELEGATION_REVOKED, &delegation->flags);
- delegation->stateid.type = NFS4_INVALID_STATEID_TYPE;
-}
-
static void nfs_revoke_delegation(struct inode *inode,
const nfs4_stateid *stateid)
{
@@ -794,7 +811,7 @@ static void nfs_revoke_delegation(struct inode *inode,
}
spin_unlock(&delegation->lock);
}
- nfs_mark_delegation_revoked(NFS_SERVER(inode), delegation);
+ nfs_mark_delegation_revoked(delegation);
ret = true;
out:
rcu_read_unlock();
@@ -833,7 +850,7 @@ void nfs_delegation_mark_returned(struct inode *inode,
delegation->stateid.seqid = stateid->seqid;
}
- nfs_mark_delegation_revoked(NFS_SERVER(inode), delegation);
+ nfs_mark_delegation_revoked(delegation);
out_clear_returning:
clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a2759b4062ae..6ddb4f517d37 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5295,7 +5295,7 @@ static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr,
hdr->timestamp = jiffies;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
- nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 1, 0);
+ nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 0, 0);
nfs4_state_protect_write(server->nfs_client, clnt, msg, hdr);
}
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 18790b9e16b5..11fdb0cc9a83 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -752,6 +752,7 @@ ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u3
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
+ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
acpi_get_gpe_device(u32 gpe_index,
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 5215fdba6b9a..bf2d017dd7b7 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -158,6 +158,7 @@ int gpiod_set_raw_array_value_cansleep(unsigned int array_size,
int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce);
int gpiod_set_transitory(struct gpio_desc *desc, bool transitory);
+void gpiod_toggle_active_low(struct gpio_desc *desc);
int gpiod_is_active_low(const struct gpio_desc *desc);
int gpiod_cansleep(const struct gpio_desc *desc);
@@ -483,6 +484,12 @@ static inline int gpiod_set_transitory(struct gpio_desc *desc, bool transitory)
return -ENOSYS;
}
+static inline void gpiod_toggle_active_low(struct gpio_desc *desc)
+{
+ /* GPIO can never have been requested */
+ WARN_ON(desc);
+}
+
static inline int gpiod_is_active_low(const struct gpio_desc *desc)
{
/* GPIO can never have been requested */
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 6fc8843f1c9e..cd97d2c8840c 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -191,7 +191,7 @@ struct platform_s2idle_ops {
int (*begin)(void);
int (*prepare)(void);
int (*prepare_late)(void);
- void (*wake)(void);
+ bool (*wake)(void);
void (*restore_early)(void);
void (*restore)(void);
void (*end)(void);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index aa145808e57a..77e6b5a83b06 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1004,12 +1004,11 @@ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
struct ieee80211_tx_info {
/* common information */
u32 flags;
- u8 band;
-
- u8 hw_queue;
-
- u16 ack_frame_id:6;
- u16 tx_time_est:10;
+ u32 band:3,
+ ack_frame_id:13,
+ hw_queue:4,
+ tx_time_est:10;
+ /* 2 free bits */
union {
struct {
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1e12e6928bca..30892c4759b4 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5932,11 +5932,14 @@ void cgroup_post_fork(struct task_struct *child)
spin_lock_irq(&css_set_lock);
- WARN_ON_ONCE(!list_empty(&child->cg_list));
- cset = task_css_set(current); /* current is @child's parent */
- get_css_set(cset);
- cset->nr_tasks++;
- css_set_move_task(child, NULL, cset, false);
+ /* init tasks are special, only link regular threads */
+ if (likely(child->pid)) {
+ WARN_ON_ONCE(!list_empty(&child->cg_list));
+ cset = task_css_set(current); /* current is @child's parent */
+ get_css_set(cset);
+ cset->nr_tasks++;
+ css_set_move_task(child, NULL, cset, false);
+ }
/*
* If the cgroup has to be frozen, the new task has too. Let's set
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index f3b7239f1892..27f149f5d4a9 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -131,11 +131,12 @@ static void s2idle_loop(void)
* to avoid them upfront.
*/
for (;;) {
- if (s2idle_ops && s2idle_ops->wake)
- s2idle_ops->wake();
-
- if (pm_wakeup_pending())
+ if (s2idle_ops && s2idle_ops->wake) {
+ if (s2idle_ops->wake())
+ break;
+ } else if (pm_wakeup_pending()) {
break;
+ }
pm_wakeup_clear(false);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index bfe756dee129..894fb81313fd 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7260,7 +7260,7 @@ capacity_from_percent(char *buf)
&req.percent);
if (req.ret)
return req;
- if (req.percent > UCLAMP_PERCENT_SCALE) {
+ if ((u64)req.percent > UCLAMP_PERCENT_SCALE) {
req.ret = -ERANGE;
return req;
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 000c742d0527..6aee699deb28 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3450,7 +3450,7 @@ int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
spin_lock_irqsave(&local->ack_status_lock, spin_flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
- 1, 0x40, GFP_ATOMIC);
+ 1, 0x2000, GFP_ATOMIC);
spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
if (id < 0) {
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5fa13176036f..e041af2f021a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -8,7 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@...rmilk.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/delay.h>
@@ -1311,7 +1311,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (!res) {
ch_switch.timestamp = timestamp;
ch_switch.device_timestamp = device_timestamp;
- ch_switch.block_tx = beacon ? csa_ie.mode : 0;
+ ch_switch.block_tx = csa_ie.mode;
ch_switch.chandef = csa_ie.chandef;
ch_switch.count = csa_ie.count;
ch_switch.delay = csa_ie.max_switch_time;
@@ -1404,7 +1404,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->vif.csa_active = true;
sdata->csa_chandef = csa_ie.chandef;
- sdata->csa_block_tx = ch_switch.block_tx;
+ sdata->csa_block_tx = csa_ie.mode;
ifmgd->csa_ignored_same_chan = false;
if (sdata->csa_block_tx)
@@ -1438,7 +1438,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
* reset when the disconnection worker runs.
*/
sdata->vif.csa_active = true;
- sdata->csa_block_tx = ch_switch.block_tx;
+ sdata->csa_block_tx = csa_ie.mode;
ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
mutex_unlock(&local->chanctx_mtx);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a8a7306a1f56..b0444e4aba2a 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2442,7 +2442,7 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
spin_lock_irqsave(&local->ack_status_lock, flags);
id = idr_alloc(&local->ack_status_frames, ack_skb,
- 1, 0x40, GFP_ATOMIC);
+ 1, 0x2000, GFP_ATOMIC);
spin_unlock_irqrestore(&local->ack_status_lock, flags);
if (id >= 0) {
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 523722be6a16..45366570ea65 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -298,8 +298,8 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
{
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
struct ib_reg_wr *reg_wr;
+ int i, n, dma_nents;
struct ib_mr *ibmr;
- int i, n;
u8 key;
if (nsegs > ia->ri_max_frwr_depth)
@@ -323,15 +323,16 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
break;
}
mr->mr_dir = rpcrdma_data_dir(writing);
+ mr->mr_nents = i;
- mr->mr_nents =
- ib_dma_map_sg(ia->ri_id->device, mr->mr_sg, i, mr->mr_dir);
- if (!mr->mr_nents)
+ dma_nents = ib_dma_map_sg(ia->ri_id->device, mr->mr_sg, mr->mr_nents,
+ mr->mr_dir);
+ if (!dma_nents)
goto out_dmamap_err;
ibmr = mr->frwr.fr_mr;
- n = ib_map_mr_sg(ibmr, mr->mr_sg, mr->mr_nents, NULL, PAGE_SIZE);
- if (unlikely(n != mr->mr_nents))
+ n = ib_map_mr_sg(ibmr, mr->mr_sg, dma_nents, NULL, PAGE_SIZE);
+ if (n != dma_nents)
goto out_mapmr_err;
ibmr->iova &= 0x00000000ffffffff;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index c9b7e1a073ee..df40d38f6e29 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2474,7 +2474,8 @@ void snd_pcm_release_substream(struct snd_pcm_substream *substream)
snd_pcm_drop(substream);
if (substream->hw_opened) {
- do_hw_free(substream);
+ if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
+ do_hw_free(substream);
substream->ops->close(substream);
substream->hw_opened = 0;
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f2ea3528bfb1..128d81b4140b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2447,6 +2447,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD),
SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE),
SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS),
+ SND_PCI_QUIRK(0x1462, 0x1276, "MSI-GL73", ALC1220_FIXUP_CLEVO_P950),
SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD),
SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS),
SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
@@ -5701,8 +5702,11 @@ static void alc_fixup_headset_jack(struct hda_codec *codec,
break;
case HDA_FIXUP_ACT_INIT:
switch (codec->core.vendor_id) {
+ case 0x10ec0215:
case 0x10ec0225:
+ case 0x10ec0285:
case 0x10ec0295:
+ case 0x10ec0289:
case 0x10ec0299:
alc_write_coef_idx(codec, 0x48, 0xd011);
alc_update_coef_idx(codec, 0x49, 0x007f, 0x0045);
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 018b1ecb5404..a48313dfa967 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -151,8 +151,34 @@ static int uac_clock_selector_set_val(struct snd_usb_audio *chip, int selector_i
return ret;
}
+/*
+ * Assume the clock is valid if clock source supports only one single sample
+ * rate, the terminal is connected directly to it (there is no clock selector)
+ * and clock type is internal. This is to deal with some Denon DJ controllers
+ * that always reports that clock is invalid.
+ */
+static bool uac_clock_source_is_valid_quirk(struct snd_usb_audio *chip,
+ struct audioformat *fmt,
+ int source_id)
+{
+ if (fmt->protocol == UAC_VERSION_2) {
+ struct uac_clock_source_descriptor *cs_desc =
+ snd_usb_find_clock_source(chip->ctrl_intf, source_id);
+
+ if (!cs_desc)
+ return false;
+
+ return (fmt->nr_rates == 1 &&
+ (fmt->clock & 0xff) == cs_desc->bClockID &&
+ (cs_desc->bmAttributes & 0x3) !=
+ UAC_CLOCK_SOURCE_TYPE_EXT);
+ }
+
+ return false;
+}
+
static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
- int protocol,
+ struct audioformat *fmt,
int source_id)
{
int err;
@@ -160,7 +186,7 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
struct usb_device *dev = chip->dev;
u32 bmControls;
- if (protocol == UAC_VERSION_3) {
+ if (fmt->protocol == UAC_VERSION_3) {
struct uac3_clock_source_descriptor *cs_desc =
snd_usb_find_clock_source_v3(chip->ctrl_intf, source_id);
@@ -194,10 +220,14 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
return false;
}
- return data ? true : false;
+ if (data)
+ return true;
+ else
+ return uac_clock_source_is_valid_quirk(chip, fmt, source_id);
}
-static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
+static int __uac_clock_find_source(struct snd_usb_audio *chip,
+ struct audioformat *fmt, int entity_id,
unsigned long *visited, bool validate)
{
struct uac_clock_source_descriptor *source;
@@ -217,7 +247,7 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
source = snd_usb_find_clock_source(chip->ctrl_intf, entity_id);
if (source) {
entity_id = source->bClockID;
- if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_2,
+ if (validate && !uac_clock_source_is_valid(chip, fmt,
entity_id)) {
usb_audio_err(chip,
"clock source %d is not valid, cannot use\n",
@@ -248,8 +278,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
}
cur = ret;
- ret = __uac_clock_find_source(chip, selector->baCSourceID[ret - 1],
- visited, validate);
+ ret = __uac_clock_find_source(chip, fmt,
+ selector->baCSourceID[ret - 1],
+ visited, validate);
if (!validate || ret > 0 || !chip->autoclock)
return ret;
@@ -260,8 +291,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
if (i == cur)
continue;
- ret = __uac_clock_find_source(chip, selector->baCSourceID[i - 1],
- visited, true);
+ ret = __uac_clock_find_source(chip, fmt,
+ selector->baCSourceID[i - 1],
+ visited, true);
if (ret < 0)
continue;
@@ -281,14 +313,16 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
/* FIXME: multipliers only act as pass-thru element for now */
multiplier = snd_usb_find_clock_multiplier(chip->ctrl_intf, entity_id);
if (multiplier)
- return __uac_clock_find_source(chip, multiplier->bCSourceID,
- visited, validate);
+ return __uac_clock_find_source(chip, fmt,
+ multiplier->bCSourceID,
+ visited, validate);
return -EINVAL;
}
-static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
- unsigned long *visited, bool validate)
+static int __uac3_clock_find_source(struct snd_usb_audio *chip,
+ struct audioformat *fmt, int entity_id,
+ unsigned long *visited, bool validate)
{
struct uac3_clock_source_descriptor *source;
struct uac3_clock_selector_descriptor *selector;
@@ -307,7 +341,7 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
source = snd_usb_find_clock_source_v3(chip->ctrl_intf, entity_id);
if (source) {
entity_id = source->bClockID;
- if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_3,
+ if (validate && !uac_clock_source_is_valid(chip, fmt,
entity_id)) {
usb_audio_err(chip,
"clock source %d is not valid, cannot use\n",
@@ -338,7 +372,8 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
}
cur = ret;
- ret = __uac3_clock_find_source(chip, selector->baCSourceID[ret - 1],
+ ret = __uac3_clock_find_source(chip, fmt,
+ selector->baCSourceID[ret - 1],
visited, validate);
if (!validate || ret > 0 || !chip->autoclock)
return ret;
@@ -350,8 +385,9 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
if (i == cur)
continue;
- ret = __uac3_clock_find_source(chip, selector->baCSourceID[i - 1],
- visited, true);
+ ret = __uac3_clock_find_source(chip, fmt,
+ selector->baCSourceID[i - 1],
+ visited, true);
if (ret < 0)
continue;
@@ -372,7 +408,8 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
multiplier = snd_usb_find_clock_multiplier_v3(chip->ctrl_intf,
entity_id);
if (multiplier)
- return __uac3_clock_find_source(chip, multiplier->bCSourceID,
+ return __uac3_clock_find_source(chip, fmt,
+ multiplier->bCSourceID,
visited, validate);
return -EINVAL;
@@ -389,18 +426,18 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
*
* Returns the clock source UnitID (>=0) on success, or an error.
*/
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
- int entity_id, bool validate)
+int snd_usb_clock_find_source(struct snd_usb_audio *chip,
+ struct audioformat *fmt, bool validate)
{
DECLARE_BITMAP(visited, 256);
memset(visited, 0, sizeof(visited));
- switch (protocol) {
+ switch (fmt->protocol) {
case UAC_VERSION_2:
- return __uac_clock_find_source(chip, entity_id, visited,
+ return __uac_clock_find_source(chip, fmt, fmt->clock, visited,
validate);
case UAC_VERSION_3:
- return __uac3_clock_find_source(chip, entity_id, visited,
+ return __uac3_clock_find_source(chip, fmt, fmt->clock, visited,
validate);
default:
return -EINVAL;
@@ -501,8 +538,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
* automatic clock selection if the current clock is not
* valid.
*/
- clock = snd_usb_clock_find_source(chip, fmt->protocol,
- fmt->clock, true);
+ clock = snd_usb_clock_find_source(chip, fmt, true);
if (clock < 0) {
/* We did not find a valid clock, but that might be
* because the current sample rate does not match an
@@ -510,8 +546,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
* and we will do another validation after setting the
* rate.
*/
- clock = snd_usb_clock_find_source(chip, fmt->protocol,
- fmt->clock, false);
+ clock = snd_usb_clock_find_source(chip, fmt, false);
if (clock < 0)
return clock;
}
@@ -577,7 +612,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
validation:
/* validate clock after rate change */
- if (!uac_clock_source_is_valid(chip, fmt->protocol, clock))
+ if (!uac_clock_source_is_valid(chip, fmt, clock))
return -ENXIO;
return 0;
}
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index 076e31b79ee0..68df0fbe09d0 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -6,7 +6,7 @@ int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
struct usb_host_interface *alts,
struct audioformat *fmt, int rate);
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
- int entity_id, bool validate);
+int snd_usb_clock_find_source(struct snd_usb_audio *chip,
+ struct audioformat *fmt, bool validate);
#endif /* __USBAUDIO_CLOCK_H */
diff --git a/sound/usb/format.c b/sound/usb/format.c
index d79db71305f6..25668ba5e68e 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -322,8 +322,7 @@ static int parse_audio_format_rates_v2v3(struct snd_usb_audio *chip,
struct usb_device *dev = chip->dev;
unsigned char tmp[2], *data;
int nr_triplets, data_size, ret = 0, ret_l6;
- int clock = snd_usb_clock_find_source(chip, fp->protocol,
- fp->clock, false);
+ int clock = snd_usb_clock_find_source(chip, fp, false);
if (clock < 0) {
dev_err(&dev->dev,
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6cd4ff09c5ee..d2a050bb8341 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -897,6 +897,15 @@ static int parse_term_proc_unit(struct mixer_build *state,
return 0;
}
+static int parse_term_effect_unit(struct mixer_build *state,
+ struct usb_audio_term *term,
+ void *p1, int id)
+{
+ term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */
+ term->id = id;
+ return 0;
+}
+
static int parse_term_uac2_clock_source(struct mixer_build *state,
struct usb_audio_term *term,
void *p1, int id)
@@ -981,8 +990,7 @@ static int __check_input_term(struct mixer_build *state, int id,
UAC3_PROCESSING_UNIT);
case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT):
case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT):
- return parse_term_proc_unit(state, term, p1, id,
- UAC3_EFFECT_UNIT);
+ return parse_term_effect_unit(state, term, p1, id);
case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT):
case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2):
case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT):
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 82184036437b..1ed25b1d2a6a 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1402,6 +1402,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
+ case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
return true;
}
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 2c41d47f6f83..90d23cc3c8d4 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -18,7 +18,6 @@
* AGGR_NONE: Use matching CPU
* AGGR_THREAD: Not supported?
*/
-static bool have_frontend_stalled;
struct runtime_stat rt_stat;
struct stats walltime_nsecs_stats;
@@ -144,7 +143,6 @@ void runtime_stat__exit(struct runtime_stat *st)
void perf_stat__init_shadow_stats(void)
{
- have_frontend_stalled = pmu_have_event("cpu", "stalled-cycles-frontend");
runtime_stat__init(&rt_stat);
}
@@ -853,10 +851,6 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
print_metric(config, ctxp, NULL, "%7.2f ",
"stalled cycles per insn",
ratio);
- } else if (have_frontend_stalled) {
- out->new_line(config, ctxp);
- print_metric(config, ctxp, NULL, "%7.2f ",
- "stalled cycles per insn", 0);
}
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
if (runtime_stat_n(st, STAT_BRANCHES, ctx, cpu) != 0)
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