Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/ptp/Kconfig:
55c8fca1dae1 ("ptp_pch: Restore dependency on PCI")
e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
index b2a1e42..71de563 100644
--- a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
+++ b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml
@@ -152,47 +152,6 @@
maxItems: 1
st,drdy-int-pin: false
- - if:
- properties:
- compatible:
- enum:
- # Two intertial interrupts i.e. accelerometer/gyro interrupts
- - st,h3lis331dl-accel
- - st,l3g4200d-gyro
- - st,l3g4is-gyro
- - st,l3gd20-gyro
- - st,l3gd20h-gyro
- - st,lis2de12
- - st,lis2dw12
- - st,lis2hh12
- - st,lis2dh12-accel
- - st,lis331dl-accel
- - st,lis331dlh-accel
- - st,lis3de
- - st,lis3dh-accel
- - st,lis3dhh
- - st,lis3mdl-magn
- - st,lng2dm-accel
- - st,lps331ap-press
- - st,lsm303agr-accel
- - st,lsm303dlh-accel
- - st,lsm303dlhc-accel
- - st,lsm303dlm-accel
- - st,lsm330-accel
- - st,lsm330-gyro
- - st,lsm330d-accel
- - st,lsm330d-gyro
- - st,lsm330dl-accel
- - st,lsm330dl-gyro
- - st,lsm330dlc-accel
- - st,lsm330dlc-gyro
- - st,lsm9ds0-gyro
- - st,lsm9ds1-magn
- then:
- properties:
- interrupts:
- maxItems: 2
-
required:
- compatible
- reg
diff --git a/Documentation/i2c/index.rst b/Documentation/i2c/index.rst
index 8b76217..6270f1f 100644
--- a/Documentation/i2c/index.rst
+++ b/Documentation/i2c/index.rst
@@ -17,6 +17,7 @@
busses/index
i2c-topology
muxes/i2c-mux-gpio
+ i2c-sysfs
Writing device drivers
======================
diff --git a/Documentation/virt/kvm/locking.rst b/Documentation/virt/kvm/locking.rst
index 35eca37..88fa495 100644
--- a/Documentation/virt/kvm/locking.rst
+++ b/Documentation/virt/kvm/locking.rst
@@ -25,10 +25,10 @@
- vcpu->mutex is taken outside kvm->arch.hyperv.hv_lock
-- kvm->arch.mmu_lock is an rwlock. kvm->arch.tdp_mmu_pages_lock is
- taken inside kvm->arch.mmu_lock, and cannot be taken without already
- holding kvm->arch.mmu_lock (typically with ``read_lock``, otherwise
- there's no need to take kvm->arch.tdp_mmu_pages_lock at all).
+- kvm->arch.mmu_lock is an rwlock. kvm->arch.tdp_mmu_pages_lock and
+ kvm->arch.mmu_unsync_pages_lock are taken inside kvm->arch.mmu_lock, and
+ cannot be taken without already holding kvm->arch.mmu_lock (typically with
+ ``read_lock`` for the TDP MMU, thus the need for additional spinlocks).
Everything else is a leaf: no other lock is taken inside the critical
sections.
diff --git a/Makefile b/Makefile
index eae1314..c19d163 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 14
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
NAME = Opossums on Parade
# *DOCUMENTATION*
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index e9a2b8f..0ca72f5 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -94,10 +94,14 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
kvm->arch.return_nisv_io_abort_to_user = true;
break;
case KVM_CAP_ARM_MTE:
- if (!system_supports_mte() || kvm->created_vcpus)
- return -EINVAL;
- r = 0;
- kvm->arch.mte_enabled = true;
+ mutex_lock(&kvm->lock);
+ if (!system_supports_mte() || kvm->created_vcpus) {
+ r = -EINVAL;
+ } else {
+ r = 0;
+ kvm->arch.mte_enabled = true;
+ }
+ mutex_unlock(&kvm->lock);
break;
default:
r = -EINVAL;
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index d938ce9..a6ce991 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -193,7 +193,7 @@ static bool range_is_memory(u64 start, u64 end)
{
struct kvm_mem_range r1, r2;
- if (!find_mem_range(start, &r1) || !find_mem_range(end, &r2))
+ if (!find_mem_range(start, &r1) || !find_mem_range(end - 1, &r2))
return false;
if (r1.start != r2.start)
return false;
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index d4bdf7d..6b800d3 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -583,6 +583,9 @@ DECLARE_INTERRUPT_HANDLER_NMI(hmi_exception_realmode);
DECLARE_INTERRUPT_HANDLER_ASYNC(TAUException);
+/* irq.c */
+DECLARE_INTERRUPT_HANDLER_ASYNC(do_IRQ);
+
void __noreturn unrecoverable_exception(struct pt_regs *regs);
void replay_system_reset(void);
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index 4982f37..2b32785 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -52,7 +52,7 @@ extern void *mcheckirq_ctx[NR_CPUS];
extern void *hardirq_ctx[NR_CPUS];
extern void *softirq_ctx[NR_CPUS];
-extern void do_IRQ(struct pt_regs *regs);
+void __do_IRQ(struct pt_regs *regs);
extern void __init init_IRQ(void);
extern void __do_irq(struct pt_regs *regs);
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 3e5d470..14422e8 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -70,6 +70,22 @@ struct pt_regs
unsigned long __pad[4]; /* Maintain 16 byte interrupt stack alignment */
};
#endif
+#if defined(CONFIG_PPC32) && defined(CONFIG_BOOKE)
+ struct { /* Must be a multiple of 16 bytes */
+ unsigned long mas0;
+ unsigned long mas1;
+ unsigned long mas2;
+ unsigned long mas3;
+ unsigned long mas6;
+ unsigned long mas7;
+ unsigned long srr0;
+ unsigned long srr1;
+ unsigned long csrr0;
+ unsigned long csrr1;
+ unsigned long dsrr0;
+ unsigned long dsrr1;
+ };
+#endif
};
#endif
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index a47eefa..5bee245 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -309,24 +309,21 @@ int main(void)
STACK_PT_REGS_OFFSET(STACK_REGS_IAMR, iamr);
#endif
-#if defined(CONFIG_PPC32)
-#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
- DEFINE(EXC_LVL_SIZE, STACK_EXC_LVL_FRAME_SIZE);
- DEFINE(MAS0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
+#if defined(CONFIG_PPC32) && defined(CONFIG_BOOKE)
+ STACK_PT_REGS_OFFSET(MAS0, mas0);
/* we overload MMUCR for 44x on MAS0 since they are mutually exclusive */
- DEFINE(MMUCR, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas0));
- DEFINE(MAS1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas1));
- DEFINE(MAS2, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas2));
- DEFINE(MAS3, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas3));
- DEFINE(MAS6, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas6));
- DEFINE(MAS7, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, mas7));
- DEFINE(_SRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr0));
- DEFINE(_SRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, srr1));
- DEFINE(_CSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr0));
- DEFINE(_CSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, csrr1));
- DEFINE(_DSRR0, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr0));
- DEFINE(_DSRR1, STACK_INT_FRAME_SIZE+offsetof(struct exception_regs, dsrr1));
-#endif
+ STACK_PT_REGS_OFFSET(MMUCR, mas0);
+ STACK_PT_REGS_OFFSET(MAS1, mas1);
+ STACK_PT_REGS_OFFSET(MAS2, mas2);
+ STACK_PT_REGS_OFFSET(MAS3, mas3);
+ STACK_PT_REGS_OFFSET(MAS6, mas6);
+ STACK_PT_REGS_OFFSET(MAS7, mas7);
+ STACK_PT_REGS_OFFSET(_SRR0, srr0);
+ STACK_PT_REGS_OFFSET(_SRR1, srr1);
+ STACK_PT_REGS_OFFSET(_CSRR0, csrr0);
+ STACK_PT_REGS_OFFSET(_CSRR1, csrr1);
+ STACK_PT_REGS_OFFSET(_DSRR0, dsrr0);
+ STACK_PT_REGS_OFFSET(_DSRR1, dsrr1);
#endif
/* About the CPU features table */
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index 764edd8..68e5c0a 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -300,7 +300,7 @@
EXCEPTION_PROLOG_1
EXCEPTION_PROLOG_2 INTERRUPT_DATA_STORAGE DataAccess handle_dar_dsisr=1
prepare_transfer_to_handler
- lwz r5, _DSISR(r11)
+ lwz r5, _DSISR(r1)
andis. r0, r5, DSISR_DABRMATCH@h
bne- 1f
bl do_page_fault
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 87b806e..e550342 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -168,20 +168,18 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
/* only on e500mc */
#define DBG_STACK_BASE dbgirq_ctx
-#define EXC_LVL_FRAME_OVERHEAD (THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE)
-
#ifdef CONFIG_SMP
#define BOOKE_LOAD_EXC_LEVEL_STACK(level) \
mfspr r8,SPRN_PIR; \
slwi r8,r8,2; \
addis r8,r8,level##_STACK_BASE@ha; \
lwz r8,level##_STACK_BASE@l(r8); \
- addi r8,r8,EXC_LVL_FRAME_OVERHEAD;
+ addi r8,r8,THREAD_SIZE - INT_FRAME_SIZE;
#else
#define BOOKE_LOAD_EXC_LEVEL_STACK(level) \
lis r8,level##_STACK_BASE@ha; \
lwz r8,level##_STACK_BASE@l(r8); \
- addi r8,r8,EXC_LVL_FRAME_OVERHEAD;
+ addi r8,r8,THREAD_SIZE - INT_FRAME_SIZE;
#endif
/*
@@ -208,7 +206,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
mtmsr r11; \
mfspr r11,SPRN_SPRG_THREAD; /* if from user, start at top of */\
lwz r11, TASK_STACK - THREAD(r11); /* this thread's kernel stack */\
- addi r11,r11,EXC_LVL_FRAME_OVERHEAD; /* allocate stack frame */\
+ addi r11,r11,THREAD_SIZE - INT_FRAME_SIZE; /* allocate stack frame */\
beq 1f; \
/* COMING FROM USER MODE */ \
stw r9,_CCR(r11); /* save CR */\
@@ -516,24 +514,5 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
bl kernel_fp_unavailable_exception; \
b interrupt_return
-#else /* __ASSEMBLY__ */
-struct exception_regs {
- unsigned long mas0;
- unsigned long mas1;
- unsigned long mas2;
- unsigned long mas3;
- unsigned long mas6;
- unsigned long mas7;
- unsigned long srr0;
- unsigned long srr1;
- unsigned long csrr0;
- unsigned long csrr1;
- unsigned long dsrr0;
- unsigned long dsrr1;
-};
-
-/* ensure this structure is always sized to a multiple of the stack alignment */
-#define STACK_EXC_LVL_FRAME_SIZE ALIGN(sizeof (struct exception_regs), 16)
-
#endif /* __ASSEMBLY__ */
#endif /* __HEAD_BOOKE_H__ */
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 91e63ea..551b653 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -750,7 +750,7 @@ void __do_irq(struct pt_regs *regs)
trace_irq_exit(regs);
}
-DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ)
+void __do_IRQ(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
void *cursp, *irqsp, *sirqsp;
@@ -774,6 +774,11 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ)
set_irq_regs(old_regs);
}
+DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ)
+{
+ __do_IRQ(regs);
+}
+
static void *__init alloc_vm_stack(void)
{
return __vmalloc_node(THREAD_SIZE, THREAD_ALIGN, THREADINFO_GFP,
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index cbc28d1..7a7cd6b 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -292,7 +292,8 @@ int kprobe_handler(struct pt_regs *regs)
if (user_mode(regs))
return 0;
- if (!(regs->msr & MSR_IR) || !(regs->msr & MSR_DR))
+ if (!IS_ENABLED(CONFIG_BOOKE) &&
+ (!(regs->msr & MSR_IR) || !(regs->msr & MSR_DR)))
return 0;
/*
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 5ff0e55..defecb3 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -1167,7 +1167,7 @@ static int __init topology_init(void)
* CPU. For instance, the boot cpu might never be valid
* for hotplugging.
*/
- if (smp_ops->cpu_offline_self)
+ if (smp_ops && smp_ops->cpu_offline_self)
c->hotpluggable = 1;
#endif
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index e45ce427..c487ba5 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -586,7 +586,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
if (atomic_read(&ppc_n_lost_interrupts) != 0)
- do_IRQ(regs);
+ __do_IRQ(regs);
#endif
old_regs = set_irq_regs(regs);
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index dfbce527..d56254f0 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1104,7 +1104,7 @@ DEFINE_INTERRUPT_HANDLER(RunModeException)
_exception(SIGTRAP, regs, TRAP_UNK, 0);
}
-DEFINE_INTERRUPT_HANDLER(single_step_exception)
+static void __single_step_exception(struct pt_regs *regs)
{
clear_single_step(regs);
clear_br_trace(regs);
@@ -1121,6 +1121,11 @@ DEFINE_INTERRUPT_HANDLER(single_step_exception)
_exception(SIGTRAP, regs, TRAP_TRACE, regs->nip);
}
+DEFINE_INTERRUPT_HANDLER(single_step_exception)
+{
+ __single_step_exception(regs);
+}
+
/*
* After we have successfully emulated an instruction, we have to
* check if the instruction was being single-stepped, and if so,
@@ -1130,7 +1135,7 @@ DEFINE_INTERRUPT_HANDLER(single_step_exception)
static void emulate_single_step(struct pt_regs *regs)
{
if (single_stepping(regs))
- single_step_exception(regs);
+ __single_step_exception(regs);
}
static inline int __parse_fpscr(unsigned long fpscr)
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 6b08866..0dfaa6a 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -539,9 +539,10 @@ static void init_cpu_char_feature_flags(struct h_cpu_char_result *result)
* H_CPU_BEHAV_FAVOUR_SECURITY_H could be set only if
* H_CPU_BEHAV_FAVOUR_SECURITY is.
*/
- if (!(result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY))
+ if (!(result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY)) {
security_ftr_clear(SEC_FTR_FAVOUR_SECURITY);
- else if (result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY_H)
+ pseries_security_flavor = 0;
+ } else if (result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY_H)
pseries_security_flavor = 1;
else
pseries_security_flavor = 2;
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index dbdbbc2..943fd30 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -67,6 +67,7 @@ static struct irq_domain *xive_irq_domain;
static struct xive_ipi_desc {
unsigned int irq;
char name[16];
+ atomic_t started;
} *xive_ipis;
/*
@@ -1120,7 +1121,7 @@ static const struct irq_domain_ops xive_ipi_irq_domain_ops = {
.alloc = xive_ipi_irq_domain_alloc,
};
-static int __init xive_request_ipi(void)
+static int __init xive_init_ipis(void)
{
struct fwnode_handle *fwnode;
struct irq_domain *ipi_domain;
@@ -1144,10 +1145,6 @@ static int __init xive_request_ipi(void)
struct xive_ipi_desc *xid = &xive_ipis[node];
struct xive_ipi_alloc_info info = { node };
- /* Skip nodes without CPUs */
- if (cpumask_empty(cpumask_of_node(node)))
- continue;
-
/*
* Map one IPI interrupt per node for all cpus of that node.
* Since the HW interrupt number doesn't have any meaning,
@@ -1159,11 +1156,6 @@ static int __init xive_request_ipi(void)
xid->irq = ret;
snprintf(xid->name, sizeof(xid->name), "IPI-%d", node);
-
- ret = request_irq(xid->irq, xive_muxed_ipi_action,
- IRQF_PERCPU | IRQF_NO_THREAD, xid->name, NULL);
-
- WARN(ret < 0, "Failed to request IPI %d: %d\n", xid->irq, ret);
}
return ret;
@@ -1178,6 +1170,22 @@ static int __init xive_request_ipi(void)
return ret;
}
+static int __init xive_request_ipi(unsigned int cpu)
+{
+ struct xive_ipi_desc *xid = &xive_ipis[early_cpu_to_node(cpu)];
+ int ret;
+
+ if (atomic_inc_return(&xid->started) > 1)
+ return 0;
+
+ ret = request_irq(xid->irq, xive_muxed_ipi_action,
+ IRQF_PERCPU | IRQF_NO_THREAD,
+ xid->name, NULL);
+
+ WARN(ret < 0, "Failed to request IPI %d: %d\n", xid->irq, ret);
+ return ret;
+}
+
static int xive_setup_cpu_ipi(unsigned int cpu)
{
unsigned int xive_ipi_irq = xive_ipi_cpu_to_irq(cpu);
@@ -1192,6 +1200,9 @@ static int xive_setup_cpu_ipi(unsigned int cpu)
if (xc->hw_ipi != XIVE_BAD_IRQ)
return 0;
+ /* Register the IPI */
+ xive_request_ipi(cpu);
+
/* Grab an IPI from the backend, this will populate xc->hw_ipi */
if (xive_ops->get_ipi(cpu, xc))
return -EIO;
@@ -1231,6 +1242,8 @@ static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc)
if (xc->hw_ipi == XIVE_BAD_IRQ)
return;
+ /* TODO: clear IPI mapping */
+
/* Mask the IPI */
xive_do_source_set_mask(&xc->ipi_data, true);
@@ -1253,7 +1266,7 @@ void __init xive_smp_probe(void)
smp_ops->cause_ipi = xive_cause_ipi;
/* Register the IPI */
- xive_request_ipi();
+ xive_init_ipis();
/* Allocate and setup IPI for the boot CPU */
xive_setup_cpu_ipi(smp_processor_id());
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index d3081e4..3397dda 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -11,7 +11,7 @@
CFLAGS_syscall_table.o += $(call cc-option,-Wno-override-init,)
ifdef CONFIG_KEXEC
-AFLAGS_kexec_relocate.o := -mcmodel=medany -mno-relax
+AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
endif
extra-y += head.o
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 88134cc..7cb4f39 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -197,7 +197,7 @@ static void __init setup_bootmem(void)
* if end of dram is equal to maximum addressable memory. For 64-bit
* kernel, this problem can't happen here as the end of the virtual
* address space is occupied by the kernel mapping then this check must
- * be done in create_kernel_page_table.
+ * be done as soon as the kernel mapping base address is determined.
*/
max_mapped_addr = __pa(~(ulong)0);
if (max_mapped_addr == (phys_ram_end - 1))
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 974cbfb1..af6ce8d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1038,6 +1038,13 @@ struct kvm_arch {
struct list_head lpage_disallowed_mmu_pages;
struct kvm_page_track_notifier_node mmu_sp_tracker;
struct kvm_page_track_notifier_head track_notifier_head;
+ /*
+ * Protects marking pages unsync during page faults, as TDP MMU page
+ * faults only take mmu_lock for read. For simplicity, the unsync
+ * pages lock is always taken when marking pages unsync regardless of
+ * whether mmu_lock is held for read or write.
+ */
+ spinlock_t mmu_unsync_pages_lock;
struct list_head assigned_dev_head;
struct iommu_domain *iommu_domain;
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index e322676..b00dbc5 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -184,6 +184,8 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
#define V_IGN_TPR_SHIFT 20
#define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
+#define V_IRQ_INJECTION_BITS_MASK (V_IRQ_MASK | V_INTR_PRIO_MASK | V_IGN_TPR_MASK)
+
#define V_INTR_MASKING_SHIFT 24
#define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d5c691a..39224e0 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1986,7 +1986,8 @@ static struct irq_chip ioapic_chip __read_mostly = {
.irq_set_affinity = ioapic_set_affinity,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_get_irqchip_state = ioapic_irq_get_chip_state,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE |
+ IRQCHIP_AFFINITY_PRE_STARTUP,
};
static struct irq_chip ioapic_ir_chip __read_mostly = {
@@ -1999,7 +2000,8 @@ static struct irq_chip ioapic_ir_chip __read_mostly = {
.irq_set_affinity = ioapic_set_affinity,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_get_irqchip_state = ioapic_irq_get_chip_state,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE |
+ IRQCHIP_AFFINITY_PRE_STARTUP,
};
static inline void init_IO_APIC_traps(void)
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index 44ebe25..dbacb9e 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -58,11 +58,13 @@ msi_set_affinity(struct irq_data *irqd, const struct cpumask *mask, bool force)
* The quirk bit is not set in this case.
* - The new vector is the same as the old vector
* - The old vector is MANAGED_IRQ_SHUTDOWN_VECTOR (interrupt starts up)
+ * - The interrupt is not yet started up
* - The new destination CPU is the same as the old destination CPU
*/
if (!irqd_msi_nomask_quirk(irqd) ||
cfg->vector == old_cfg.vector ||
old_cfg.vector == MANAGED_IRQ_SHUTDOWN_VECTOR ||
+ !irqd_is_started(irqd) ||
cfg->dest_apicid == old_cfg.dest_apicid) {
irq_msi_update_msg(irqd, cfg);
return ret;
@@ -150,7 +152,8 @@ static struct irq_chip pci_msi_controller = {
.irq_ack = irq_chip_ack_parent,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_affinity = msi_set_affinity,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE |
+ IRQCHIP_AFFINITY_PRE_STARTUP,
};
int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec,
@@ -219,7 +222,8 @@ static struct irq_chip pci_msi_ir_controller = {
.irq_mask = pci_msi_mask_irq,
.irq_ack = irq_chip_ack_parent,
.irq_retrigger = irq_chip_retrigger_hierarchy,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE |
+ IRQCHIP_AFFINITY_PRE_STARTUP,
};
static struct msi_domain_info pci_msi_ir_domain_info = {
@@ -273,7 +277,8 @@ static struct irq_chip dmar_msi_controller = {
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_compose_msi_msg = dmar_msi_compose_msg,
.irq_write_msi_msg = dmar_msi_write_msg,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE |
+ IRQCHIP_AFFINITY_PRE_STARTUP,
};
static int dmar_msi_init(struct irq_domain *domain,
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index f07c10b..57e4bb6 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -285,15 +285,14 @@ static u64 mbm_overflow_count(u64 prev_msr, u64 cur_msr, unsigned int width)
return chunks >>= shift;
}
-static int __mon_event_count(u32 rmid, struct rmid_read *rr)
+static u64 __mon_event_count(u32 rmid, struct rmid_read *rr)
{
struct mbm_state *m;
u64 chunks, tval;
tval = __rmid_read(rmid, rr->evtid);
if (tval & (RMID_VAL_ERROR | RMID_VAL_UNAVAIL)) {
- rr->val = tval;
- return -EINVAL;
+ return tval;
}
switch (rr->evtid) {
case QOS_L3_OCCUP_EVENT_ID:
@@ -305,12 +304,6 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr)
case QOS_L3_MBM_LOCAL_EVENT_ID:
m = &rr->d->mbm_local[rmid];
break;
- default:
- /*
- * Code would never reach here because
- * an invalid event id would fail the __rmid_read.
- */
- return -EINVAL;
}
if (rr->first) {
@@ -361,23 +354,29 @@ void mon_event_count(void *info)
struct rdtgroup *rdtgrp, *entry;
struct rmid_read *rr = info;
struct list_head *head;
+ u64 ret_val;
rdtgrp = rr->rgrp;
- if (__mon_event_count(rdtgrp->mon.rmid, rr))
- return;
+ ret_val = __mon_event_count(rdtgrp->mon.rmid, rr);
/*
- * For Ctrl groups read data from child monitor groups.
+ * For Ctrl groups read data from child monitor groups and
+ * add them together. Count events which are read successfully.
+ * Discard the rmid_read's reporting errors.
*/
head = &rdtgrp->mon.crdtgrp_list;
if (rdtgrp->type == RDTCTRL_GROUP) {
list_for_each_entry(entry, head, mon.crdtgrp_list) {
- if (__mon_event_count(entry->mon.rmid, rr))
- return;
+ if (__mon_event_count(entry->mon.rmid, rr) == 0)
+ ret_val = 0;
}
}
+
+ /* Report error if none of rmid_reads are successful */
+ if (ret_val)
+ rr->val = ret_val;
}
/*
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 08651a4..42fc41d 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -508,7 +508,7 @@ static struct irq_chip hpet_msi_controller __ro_after_init = {
.irq_set_affinity = msi_domain_set_affinity,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_write_msi_msg = hpet_msi_write_msg,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_AFFINITY_PRE_STARTUP,
};
static int hpet_msi_init(struct irq_domain *domain,
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 739be5d..fe03bd9 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -208,30 +208,6 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_mmu_after_set_cpuid(vcpu);
}
-static int is_efer_nx(void)
-{
- return host_efer & EFER_NX;
-}
-
-static void cpuid_fix_nx_cap(struct kvm_vcpu *vcpu)
-{
- int i;
- struct kvm_cpuid_entry2 *e, *entry;
-
- entry = NULL;
- for (i = 0; i < vcpu->arch.cpuid_nent; ++i) {
- e = &vcpu->arch.cpuid_entries[i];
- if (e->function == 0x80000001) {
- entry = e;
- break;
- }
- }
- if (entry && cpuid_entry_has(entry, X86_FEATURE_NX) && !is_efer_nx()) {
- cpuid_entry_clear(entry, X86_FEATURE_NX);
- printk(KERN_INFO "kvm: guest NX capability removed\n");
- }
-}
-
int cpuid_query_maxphyaddr(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
@@ -302,7 +278,6 @@ int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
vcpu->arch.cpuid_entries = e2;
vcpu->arch.cpuid_nent = cpuid->nent;
- cpuid_fix_nx_cap(vcpu);
kvm_update_cpuid_runtime(vcpu);
kvm_vcpu_after_set_cpuid(vcpu);
@@ -401,7 +376,6 @@ static __always_inline void kvm_cpu_cap_mask(enum cpuid_leafs leaf, u32 mask)
void kvm_set_cpu_caps(void)
{
- unsigned int f_nx = is_efer_nx() ? F(NX) : 0;
#ifdef CONFIG_X86_64
unsigned int f_gbpages = F(GBPAGES);
unsigned int f_lm = F(LM);
@@ -515,7 +489,7 @@ void kvm_set_cpu_caps(void)
F(CX8) | F(APIC) | 0 /* Reserved */ | F(SYSCALL) |
F(MTRR) | F(PGE) | F(MCA) | F(CMOV) |
F(PAT) | F(PSE36) | 0 /* Reserved */ |
- f_nx | 0 /* Reserved */ | F(MMXEXT) | F(MMX) |
+ F(NX) | 0 /* Reserved */ | F(MMXEXT) | F(MMX) |
F(FXSR) | F(FXSR_OPT) | f_gbpages | F(RDTSCP) |
0 /* Reserved */ | f_lm | F(3DNOWEXT) | F(3DNOW)
);
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 0b38f94..41d2a53 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1933,7 +1933,7 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool
void kvm_hv_set_cpuid(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *entry;
- struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);
+ struct kvm_vcpu_hv *hv_vcpu;
entry = kvm_find_cpuid_entry(vcpu, HYPERV_CPUID_INTERFACE, 0);
if (entry && entry->eax == HYPERV_CPUID_SIGNATURE_EAX) {
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index c4f4fa2..47b7652 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -2535,6 +2535,7 @@ static void kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
int mmu_try_to_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn, bool can_unsync)
{
struct kvm_mmu_page *sp;
+ bool locked = false;
/*
* Force write-protection if the page is being tracked. Note, the page
@@ -2557,9 +2558,34 @@ int mmu_try_to_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn, bool can_unsync)
if (sp->unsync)
continue;
+ /*
+ * TDP MMU page faults require an additional spinlock as they
+ * run with mmu_lock held for read, not write, and the unsync
+ * logic is not thread safe. Take the spinklock regardless of
+ * the MMU type to avoid extra conditionals/parameters, there's
+ * no meaningful penalty if mmu_lock is held for write.
+ */
+ if (!locked) {
+ locked = true;
+ spin_lock(&vcpu->kvm->arch.mmu_unsync_pages_lock);
+
+ /*
+ * Recheck after taking the spinlock, a different vCPU
+ * may have since marked the page unsync. A false
+ * positive on the unprotected check above is not
+ * possible as clearing sp->unsync _must_ hold mmu_lock
+ * for write, i.e. unsync cannot transition from 0->1
+ * while this CPU holds mmu_lock for read (or write).
+ */
+ if (READ_ONCE(sp->unsync))
+ continue;
+ }
+
WARN_ON(sp->role.level != PG_LEVEL_4K);
kvm_unsync_page(vcpu, sp);
}
+ if (locked)
+ spin_unlock(&vcpu->kvm->arch.mmu_unsync_pages_lock);
/*
* We need to ensure that the marking of unsync pages is visible
@@ -5537,6 +5563,8 @@ void kvm_mmu_init_vm(struct kvm *kvm)
{
struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker;
+ spin_lock_init(&kvm->arch.mmu_unsync_pages_lock);
+
if (!kvm_mmu_init_tdp_mmu(kvm))
/*
* No smp_load/store wrappers needed here as we are in
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 0853370..d80cb12 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -43,6 +43,7 @@ void kvm_mmu_uninit_tdp_mmu(struct kvm *kvm)
if (!kvm->arch.tdp_mmu_enabled)
return;
+ WARN_ON(!list_empty(&kvm->arch.tdp_mmu_pages));
WARN_ON(!list_empty(&kvm->arch.tdp_mmu_roots));
/*
@@ -81,8 +82,6 @@ static void tdp_mmu_free_sp_rcu_callback(struct rcu_head *head)
void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root,
bool shared)
{
- gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT);
-
kvm_lockdep_assert_mmu_lock_held(kvm, shared);
if (!refcount_dec_and_test(&root->tdp_mmu_root_count))
@@ -94,7 +93,7 @@ void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root,
list_del_rcu(&root->link);
spin_unlock(&kvm->arch.tdp_mmu_pages_lock);
- zap_gfn_range(kvm, root, 0, max_gfn, false, false, shared);
+ zap_gfn_range(kvm, root, 0, -1ull, false, false, shared);
call_rcu(&root->rcu_head, tdp_mmu_free_sp_rcu_callback);
}
@@ -724,13 +723,29 @@ static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t start, gfn_t end, bool can_yield, bool flush,
bool shared)
{
+ gfn_t max_gfn_host = 1ULL << (shadow_phys_bits - PAGE_SHIFT);
+ bool zap_all = (start == 0 && end >= max_gfn_host);
struct tdp_iter iter;
+ /*
+ * No need to try to step down in the iterator when zapping all SPTEs,
+ * zapping the top-level non-leaf SPTEs will recurse on their children.
+ */
+ int min_level = zap_all ? root->role.level : PG_LEVEL_4K;
+
+ /*
+ * Bound the walk at host.MAXPHYADDR, guest accesses beyond that will
+ * hit a #PF(RSVD) and never get to an EPT Violation/Misconfig / #NPF,
+ * and so KVM will never install a SPTE for such addresses.
+ */
+ end = min(end, max_gfn_host);
+
kvm_lockdep_assert_mmu_lock_held(kvm, shared);
rcu_read_lock();
- tdp_root_for_each_pte(iter, root, start, end) {
+ for_each_tdp_pte_min_level(iter, root->spt, root->role.level,
+ min_level, start, end) {
retry:
if (can_yield &&
tdp_mmu_iter_cond_resched(kvm, &iter, flush, shared)) {
@@ -744,9 +759,10 @@ static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
/*
* If this is a non-last-level SPTE that covers a larger range
* than should be zapped, continue, and zap the mappings at a
- * lower level.
+ * lower level, except when zapping all SPTEs.
*/
- if ((iter.gfn < start ||
+ if (!zap_all &&
+ (iter.gfn < start ||
iter.gfn + KVM_PAGES_PER_HPAGE(iter.level) > end) &&
!is_last_spte(iter.old_spte, iter.level))
continue;
@@ -794,12 +810,11 @@ bool __kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, int as_id, gfn_t start,
void kvm_tdp_mmu_zap_all(struct kvm *kvm)
{
- gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT);
bool flush = false;
int i;
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
- flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, 0, max_gfn,
+ flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, 0, -1ull,
flush, false);
if (flush)
@@ -838,7 +853,6 @@ static struct kvm_mmu_page *next_invalidated_root(struct kvm *kvm,
*/
void kvm_tdp_mmu_zap_invalidated_roots(struct kvm *kvm)
{
- gfn_t max_gfn = 1ULL << (shadow_phys_bits - PAGE_SHIFT);
struct kvm_mmu_page *next_root;
struct kvm_mmu_page *root;
bool flush = false;
@@ -854,8 +868,7 @@ void kvm_tdp_mmu_zap_invalidated_roots(struct kvm *kvm)
rcu_read_unlock();
- flush = zap_gfn_range(kvm, root, 0, max_gfn, true, flush,
- true);
+ flush = zap_gfn_range(kvm, root, 0, -1ull, true, flush, true);
/*
* Put the reference acquired in
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 61738ff..e551547 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -158,6 +158,9 @@ void recalc_intercepts(struct vcpu_svm *svm)
/* If SMI is not intercepted, ignore guest SMI intercept as well */
if (!intercept_smi)
vmcb_clr_intercept(c, INTERCEPT_SMI);
+
+ vmcb_set_intercept(c, INTERCEPT_VMLOAD);
+ vmcb_set_intercept(c, INTERCEPT_VMSAVE);
}
static void copy_vmcb_control_area(struct vmcb_control_area *dst,
@@ -503,7 +506,11 @@ static void nested_vmcb02_prepare_save(struct vcpu_svm *svm, struct vmcb *vmcb12
static void nested_vmcb02_prepare_control(struct vcpu_svm *svm)
{
- const u32 mask = V_INTR_MASKING_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK;
+ const u32 int_ctl_vmcb01_bits =
+ V_INTR_MASKING_MASK | V_GIF_MASK | V_GIF_ENABLE_MASK;
+
+ const u32 int_ctl_vmcb12_bits = V_TPR_MASK | V_IRQ_INJECTION_BITS_MASK;
+
struct kvm_vcpu *vcpu = &svm->vcpu;
/*
@@ -535,8 +542,8 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm)
vcpu->arch.l1_tsc_offset + svm->nested.ctl.tsc_offset;
svm->vmcb->control.int_ctl =
- (svm->nested.ctl.int_ctl & ~mask) |
- (svm->vmcb01.ptr->control.int_ctl & mask);
+ (svm->nested.ctl.int_ctl & int_ctl_vmcb12_bits) |
+ (svm->vmcb01.ptr->control.int_ctl & int_ctl_vmcb01_bits);
svm->vmcb->control.virt_ext = svm->nested.ctl.virt_ext;
svm->vmcb->control.int_vector = svm->nested.ctl.int_vector;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e8ccab5..69639f9 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1589,17 +1589,18 @@ static void svm_set_vintr(struct vcpu_svm *svm)
static void svm_clear_vintr(struct vcpu_svm *svm)
{
- const u32 mask = V_TPR_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK | V_INTR_MASKING_MASK;
svm_clr_intercept(svm, INTERCEPT_VINTR);
/* Drop int_ctl fields related to VINTR injection. */
- svm->vmcb->control.int_ctl &= mask;
+ svm->vmcb->control.int_ctl &= ~V_IRQ_INJECTION_BITS_MASK;
if (is_guest_mode(&svm->vcpu)) {
- svm->vmcb01.ptr->control.int_ctl &= mask;
+ svm->vmcb01.ptr->control.int_ctl &= ~V_IRQ_INJECTION_BITS_MASK;
WARN_ON((svm->vmcb->control.int_ctl & V_TPR_MASK) !=
(svm->nested.ctl.int_ctl & V_TPR_MASK));
- svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl & ~mask;
+
+ svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl &
+ V_IRQ_INJECTION_BITS_MASK;
}
vmcb_mark_dirty(svm->vmcb, VMCB_INTR);
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 1a52134..b3f77d1 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -330,6 +330,31 @@ void nested_vmx_free_vcpu(struct kvm_vcpu *vcpu)
vcpu_put(vcpu);
}
+#define EPTP_PA_MASK GENMASK_ULL(51, 12)
+
+static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp)
+{
+ return VALID_PAGE(root_hpa) &&
+ ((root_eptp & EPTP_PA_MASK) == (eptp & EPTP_PA_MASK));
+}
+
+static void nested_ept_invalidate_addr(struct kvm_vcpu *vcpu, gpa_t eptp,
+ gpa_t addr)
+{
+ uint i;
+ struct kvm_mmu_root_info *cached_root;
+
+ WARN_ON_ONCE(!mmu_is_nested(vcpu));
+
+ for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) {
+ cached_root = &vcpu->arch.mmu->prev_roots[i];
+
+ if (nested_ept_root_matches(cached_root->hpa, cached_root->pgd,
+ eptp))
+ vcpu->arch.mmu->invlpg(vcpu, addr, cached_root->hpa);
+ }
+}
+
static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault)
{
@@ -342,10 +367,22 @@ static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
vm_exit_reason = EXIT_REASON_PML_FULL;
vmx->nested.pml_full = false;
exit_qualification &= INTR_INFO_UNBLOCK_NMI;
- } else if (fault->error_code & PFERR_RSVD_MASK)
- vm_exit_reason = EXIT_REASON_EPT_MISCONFIG;
- else
- vm_exit_reason = EXIT_REASON_EPT_VIOLATION;
+ } else {
+ if (fault->error_code & PFERR_RSVD_MASK)
+ vm_exit_reason = EXIT_REASON_EPT_MISCONFIG;
+ else
+ vm_exit_reason = EXIT_REASON_EPT_VIOLATION;
+
+ /*
+ * Although the caller (kvm_inject_emulated_page_fault) would
+ * have already synced the faulting address in the shadow EPT
+ * tables for the current EPTP12, we also need to sync it for
+ * any other cached EPTP02s based on the same EP4TA, since the
+ * TLB associates mappings to the EP4TA rather than the full EPTP.
+ */
+ nested_ept_invalidate_addr(vcpu, vmcs12->ept_pointer,
+ fault->address);
+ }
nested_vmx_vmexit(vcpu, vm_exit_reason, 0, exit_qualification);
vmcs12->guest_physical_address = fault->address;
@@ -5325,14 +5362,6 @@ static int handle_vmptrst(struct kvm_vcpu *vcpu)
return nested_vmx_succeed(vcpu);
}
-#define EPTP_PA_MASK GENMASK_ULL(51, 12)
-
-static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp)
-{
- return VALID_PAGE(root_hpa) &&
- ((root_eptp & EPTP_PA_MASK) == (eptp & EPTP_PA_MASK));
-}
-
/* Emulate the INVEPT instruction */
static int handle_invept(struct kvm_vcpu *vcpu)
{
@@ -5826,7 +5855,8 @@ static bool nested_vmx_l0_wants_exit(struct kvm_vcpu *vcpu,
if (is_nmi(intr_info))
return true;
else if (is_page_fault(intr_info))
- return vcpu->arch.apf.host_apf_flags || !enable_ept;
+ return vcpu->arch.apf.host_apf_flags ||
+ vmx_need_pf_intercept(vcpu);
else if (is_debug(intr_info) &&
vcpu->guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index db88ed4..17a1cb4 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -522,7 +522,7 @@ static inline struct vmcs *alloc_vmcs(bool shadow)
static inline bool vmx_has_waitpkg(struct vcpu_vmx *vmx)
{
- return vmx->secondary_exec_control &
+ return secondary_exec_controls_get(vmx) &
SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE;
}
diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
index fd1ab80..a4cf678 100644
--- a/arch/x86/tools/chkobjdump.awk
+++ b/arch/x86/tools/chkobjdump.awk
@@ -10,6 +10,7 @@
/^GNU objdump/ {
verstr = ""
+ gsub(/\(.*\)/, "");
for (i = 3; i <= NF; i++)
if (match($(i), "^[0-9]")) {
verstr = $(i);
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 64053d6..2f2158e 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -9,12 +9,6 @@
help
MQ version of the deadline IO scheduler.
-config MQ_IOSCHED_DEADLINE_CGROUP
- tristate
- default y
- depends on MQ_IOSCHED_DEADLINE
- depends on BLK_CGROUP
-
config MQ_IOSCHED_KYBER
tristate "Kyber I/O scheduler"
default y
diff --git a/block/Makefile b/block/Makefile
index bfbe4e1..1e1afa1 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -22,8 +22,6 @@
obj-$(CONFIG_BLK_CGROUP_IOLATENCY) += blk-iolatency.o
obj-$(CONFIG_BLK_CGROUP_IOCOST) += blk-iocost.o
obj-$(CONFIG_MQ_IOSCHED_DEADLINE) += mq-deadline.o
-mq-deadline-y += mq-deadline-main.o
-mq-deadline-$(CONFIG_MQ_IOSCHED_DEADLINE_CGROUP)+= mq-deadline-cgroup.o
obj-$(CONFIG_MQ_IOSCHED_KYBER) += kyber-iosched.o
bfq-y := bfq-iosched.o bfq-wf2q.o bfq-cgroup.o
obj-$(CONFIG_IOSCHED_BFQ) += bfq.o
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 5fac375..0e56557 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3061,19 +3061,19 @@ static ssize_t ioc_weight_write(struct kernfs_open_file *of, char *buf,
if (v < CGROUP_WEIGHT_MIN || v > CGROUP_WEIGHT_MAX)
return -EINVAL;
- spin_lock(&blkcg->lock);
+ spin_lock_irq(&blkcg->lock);
iocc->dfl_weight = v * WEIGHT_ONE;
hlist_for_each_entry(blkg, &blkcg->blkg_list, blkcg_node) {
struct ioc_gq *iocg = blkg_to_iocg(blkg);
if (iocg) {
- spin_lock_irq(&iocg->ioc->lock);
+ spin_lock(&iocg->ioc->lock);
ioc_now(iocg->ioc, &now);
weight_updated(iocg, &now);
- spin_unlock_irq(&iocg->ioc->lock);
+ spin_unlock(&iocg->ioc->lock);
}
}
- spin_unlock(&blkcg->lock);
+ spin_unlock_irq(&blkcg->lock);
return nbytes;
}
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 2c4ac51..2fe3963 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2994,10 +2994,12 @@ static void queue_set_hctx_shared(struct request_queue *q, bool shared)
int i;
queue_for_each_hw_ctx(q, hctx, i) {
- if (shared)
+ if (shared) {
hctx->flags |= BLK_MQ_F_TAG_QUEUE_SHARED;
- else
+ } else {
+ blk_mq_tag_idle(hctx);
hctx->flags &= ~BLK_MQ_F_TAG_QUEUE_SHARED;
+ }
}
}
diff --git a/block/mq-deadline-cgroup.c b/block/mq-deadline-cgroup.c
deleted file mode 100644
index 3b4bfdd..0000000
--- a/block/mq-deadline-cgroup.c
+++ /dev/null
@@ -1,126 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#include <linux/blk-cgroup.h>
-#include <linux/ioprio.h>
-
-#include "mq-deadline-cgroup.h"
-
-static struct blkcg_policy dd_blkcg_policy;
-
-static struct blkcg_policy_data *dd_cpd_alloc(gfp_t gfp)
-{
- struct dd_blkcg *pd;
-
- pd = kzalloc(sizeof(*pd), gfp);
- if (!pd)
- return NULL;
- pd->stats = alloc_percpu_gfp(typeof(*pd->stats),
- GFP_KERNEL | __GFP_ZERO);
- if (!pd->stats) {
- kfree(pd);
- return NULL;
- }
- return &pd->cpd;
-}
-
-static void dd_cpd_free(struct blkcg_policy_data *cpd)
-{
- struct dd_blkcg *dd_blkcg = container_of(cpd, typeof(*dd_blkcg), cpd);
-
- free_percpu(dd_blkcg->stats);
- kfree(dd_blkcg);
-}
-
-static struct dd_blkcg *dd_blkcg_from_pd(struct blkg_policy_data *pd)
-{
- return container_of(blkcg_to_cpd(pd->blkg->blkcg, &dd_blkcg_policy),
- struct dd_blkcg, cpd);
-}
-
-/*
- * Convert an association between a block cgroup and a request queue into a
- * pointer to the mq-deadline information associated with a (blkcg, queue) pair.
- */
-struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio)
-{
- struct blkg_policy_data *pd;
-
- pd = blkg_to_pd(bio->bi_blkg, &dd_blkcg_policy);
- if (!pd)
- return NULL;
-
- return dd_blkcg_from_pd(pd);
-}
-
-static size_t dd_pd_stat(struct blkg_policy_data *pd, char *buf, size_t size)
-{
- static const char *const prio_class_name[] = {
- [IOPRIO_CLASS_NONE] = "NONE",
- [IOPRIO_CLASS_RT] = "RT",
- [IOPRIO_CLASS_BE] = "BE",
- [IOPRIO_CLASS_IDLE] = "IDLE",
- };
- struct dd_blkcg *blkcg = dd_blkcg_from_pd(pd);
- int res = 0;
- u8 prio;
-
- for (prio = 0; prio < ARRAY_SIZE(blkcg->stats->stats); prio++)
- res += scnprintf(buf + res, size - res,
- " [%s] dispatched=%u inserted=%u merged=%u",
- prio_class_name[prio],
- ddcg_sum(blkcg, dispatched, prio) +
- ddcg_sum(blkcg, merged, prio) -
- ddcg_sum(blkcg, completed, prio),
- ddcg_sum(blkcg, inserted, prio) -
- ddcg_sum(blkcg, completed, prio),
- ddcg_sum(blkcg, merged, prio));
-
- return res;
-}
-
-static struct blkg_policy_data *dd_pd_alloc(gfp_t gfp, struct request_queue *q,
- struct blkcg *blkcg)
-{
- struct dd_blkg *pd;
-
- pd = kzalloc(sizeof(*pd), gfp);
- if (!pd)
- return NULL;
- return &pd->pd;
-}
-
-static void dd_pd_free(struct blkg_policy_data *pd)
-{
- struct dd_blkg *dd_blkg = container_of(pd, typeof(*dd_blkg), pd);
-
- kfree(dd_blkg);
-}
-
-static struct blkcg_policy dd_blkcg_policy = {
- .cpd_alloc_fn = dd_cpd_alloc,
- .cpd_free_fn = dd_cpd_free,
-
- .pd_alloc_fn = dd_pd_alloc,
- .pd_free_fn = dd_pd_free,
- .pd_stat_fn = dd_pd_stat,
-};
-
-int dd_activate_policy(struct request_queue *q)
-{
- return blkcg_activate_policy(q, &dd_blkcg_policy);
-}
-
-void dd_deactivate_policy(struct request_queue *q)
-{
- blkcg_deactivate_policy(q, &dd_blkcg_policy);
-}
-
-int __init dd_blkcg_init(void)
-{
- return blkcg_policy_register(&dd_blkcg_policy);
-}
-
-void __exit dd_blkcg_exit(void)
-{
- blkcg_policy_unregister(&dd_blkcg_policy);
-}
diff --git a/block/mq-deadline-cgroup.h b/block/mq-deadline-cgroup.h
deleted file mode 100644
index 0143fd7..0000000
--- a/block/mq-deadline-cgroup.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#if !defined(_MQ_DEADLINE_CGROUP_H_)
-#define _MQ_DEADLINE_CGROUP_H_
-
-#include <linux/blk-cgroup.h>
-
-struct request_queue;
-
-/**
- * struct io_stats_per_prio - I/O statistics per I/O priority class.
- * @inserted: Number of inserted requests.
- * @merged: Number of merged requests.
- * @dispatched: Number of dispatched requests.
- * @completed: Number of I/O completions.
- */
-struct io_stats_per_prio {
- local_t inserted;
- local_t merged;
- local_t dispatched;
- local_t completed;
-};
-
-/* I/O statistics per I/O cgroup per I/O priority class (IOPRIO_CLASS_*). */
-struct blkcg_io_stats {
- struct io_stats_per_prio stats[4];
-};
-
-/**
- * struct dd_blkcg - Per cgroup data.
- * @cpd: blkcg_policy_data structure.
- * @stats: I/O statistics.
- */
-struct dd_blkcg {
- struct blkcg_policy_data cpd; /* must be the first member */
- struct blkcg_io_stats __percpu *stats;
-};
-
-/*
- * Count one event of type 'event_type' and with I/O priority class
- * 'prio_class'.
- */
-#define ddcg_count(ddcg, event_type, prio_class) do { \
-if (ddcg) { \
- struct blkcg_io_stats *io_stats = get_cpu_ptr((ddcg)->stats); \
- \
- BUILD_BUG_ON(!__same_type((ddcg), struct dd_blkcg *)); \
- BUILD_BUG_ON(!__same_type((prio_class), u8)); \
- local_inc(&io_stats->stats[(prio_class)].event_type); \
- put_cpu_ptr(io_stats); \
-} \
-} while (0)
-
-/*
- * Returns the total number of ddcg_count(ddcg, event_type, prio_class) calls
- * across all CPUs. No locking or barriers since it is fine if the returned
- * sum is slightly outdated.
- */
-#define ddcg_sum(ddcg, event_type, prio) ({ \
- unsigned int cpu; \
- u32 sum = 0; \
- \
- BUILD_BUG_ON(!__same_type((ddcg), struct dd_blkcg *)); \
- BUILD_BUG_ON(!__same_type((prio), u8)); \
- for_each_present_cpu(cpu) \
- sum += local_read(&per_cpu_ptr((ddcg)->stats, cpu)-> \
- stats[(prio)].event_type); \
- sum; \
-})
-
-#ifdef CONFIG_BLK_CGROUP
-
-/**
- * struct dd_blkg - Per (cgroup, request queue) data.
- * @pd: blkg_policy_data structure.
- */
-struct dd_blkg {
- struct blkg_policy_data pd; /* must be the first member */
-};
-
-struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio);
-int dd_activate_policy(struct request_queue *q);
-void dd_deactivate_policy(struct request_queue *q);
-int __init dd_blkcg_init(void);
-void __exit dd_blkcg_exit(void);
-
-#else /* CONFIG_BLK_CGROUP */
-
-static inline struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio)
-{
- return NULL;
-}
-
-static inline int dd_activate_policy(struct request_queue *q)
-{
- return 0;
-}
-
-static inline void dd_deactivate_policy(struct request_queue *q)
-{
-}
-
-static inline int dd_blkcg_init(void)
-{
- return 0;
-}
-
-static inline void dd_blkcg_exit(void)
-{
-}
-
-#endif /* CONFIG_BLK_CGROUP */
-
-#endif /* _MQ_DEADLINE_CGROUP_H_ */
diff --git a/block/mq-deadline-main.c b/block/mq-deadline.c
similarity index 94%
rename from block/mq-deadline-main.c
rename to block/mq-deadline.c
index 6f612e6..a09761c 100644
--- a/block/mq-deadline-main.c
+++ b/block/mq-deadline.c
@@ -25,7 +25,6 @@
#include "blk-mq-debugfs.h"
#include "blk-mq-tag.h"
#include "blk-mq-sched.h"
-#include "mq-deadline-cgroup.h"
/*
* See Documentation/block/deadline-iosched.rst
@@ -57,6 +56,14 @@ enum dd_prio {
enum { DD_PRIO_COUNT = 3 };
+/* I/O statistics per I/O priority. */
+struct io_stats_per_prio {
+ local_t inserted;
+ local_t merged;
+ local_t dispatched;
+ local_t completed;
+};
+
/* I/O statistics for all I/O priorities (enum dd_prio). */
struct io_stats {
struct io_stats_per_prio stats[DD_PRIO_COUNT];
@@ -79,9 +86,6 @@ struct deadline_data {
* run time data
*/
- /* Request queue that owns this data structure. */
- struct request_queue *queue;
-
struct dd_per_prio per_prio[DD_PRIO_COUNT];
/* Data direction of latest dispatched request. */
@@ -234,10 +238,8 @@ static void dd_merged_requests(struct request_queue *q, struct request *req,
struct deadline_data *dd = q->elevator->elevator_data;
const u8 ioprio_class = dd_rq_ioclass(next);
const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
- struct dd_blkcg *blkcg = next->elv.priv[0];
dd_count(dd, merged, prio);
- ddcg_count(blkcg, merged, ioprio_class);
/*
* if next expires before rq, assign its expire time to rq
@@ -375,7 +377,6 @@ static struct request *__dd_dispatch_request(struct deadline_data *dd,
{
struct request *rq, *next_rq;
enum dd_data_dir data_dir;
- struct dd_blkcg *blkcg;
enum dd_prio prio;
u8 ioprio_class;
@@ -474,8 +475,6 @@ static struct request *__dd_dispatch_request(struct deadline_data *dd,
ioprio_class = dd_rq_ioclass(rq);
prio = ioprio_class_to_prio[ioprio_class];
dd_count(dd, dispatched, prio);
- blkcg = rq->elv.priv[0];
- ddcg_count(blkcg, dispatched, ioprio_class);
/*
* If the request needs its target zone locked, do it.
*/
@@ -569,8 +568,6 @@ static void dd_exit_sched(struct elevator_queue *e)
struct deadline_data *dd = e->elevator_data;
enum dd_prio prio;
- dd_deactivate_policy(dd->queue);
-
for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
struct dd_per_prio *per_prio = &dd->per_prio[prio];
@@ -584,7 +581,7 @@ static void dd_exit_sched(struct elevator_queue *e)
}
/*
- * Initialize elevator private data (deadline_data) and associate with blkcg.
+ * initialize elevator private data (deadline_data).
*/
static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
{
@@ -593,12 +590,6 @@ static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
enum dd_prio prio;
int ret = -ENOMEM;
- /*
- * Initialization would be very tricky if the queue is not frozen,
- * hence the warning statement below.
- */
- WARN_ON_ONCE(!percpu_ref_is_zero(&q->q_usage_counter));
-
eq = elevator_alloc(q, e);
if (!eq)
return ret;
@@ -614,8 +605,6 @@ static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
if (!dd->stats)
goto free_dd;
- dd->queue = q;
-
for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
struct dd_per_prio *per_prio = &dd->per_prio[prio];
@@ -635,17 +624,9 @@ static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
spin_lock_init(&dd->lock);
spin_lock_init(&dd->zone_lock);
- ret = dd_activate_policy(q);
- if (ret)
- goto free_stats;
-
- ret = 0;
q->elevator = eq;
return 0;
-free_stats:
- free_percpu(dd->stats);
-
free_dd:
kfree(dd);
@@ -718,7 +699,6 @@ static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
u8 ioprio_class = IOPRIO_PRIO_CLASS(ioprio);
struct dd_per_prio *per_prio;
enum dd_prio prio;
- struct dd_blkcg *blkcg;
LIST_HEAD(free);
lockdep_assert_held(&dd->lock);
@@ -729,18 +709,8 @@ static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
*/
blk_req_zone_write_unlock(rq);
- /*
- * If a block cgroup has been associated with the submitter and if an
- * I/O priority has been set in the associated block cgroup, use the
- * lowest of the cgroup priority and the request priority for the
- * request. If no priority has been set in the request, use the cgroup
- * priority.
- */
prio = ioprio_class_to_prio[ioprio_class];
dd_count(dd, inserted, prio);
- blkcg = dd_blkcg_from_bio(rq->bio);
- ddcg_count(blkcg, inserted, ioprio_class);
- rq->elv.priv[0] = blkcg;
if (blk_mq_sched_try_insert_merge(q, rq, &free)) {
blk_mq_free_requests(&free);
@@ -789,10 +759,12 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
spin_unlock(&dd->lock);
}
-/* Callback from inside blk_mq_rq_ctx_init(). */
+/*
+ * Nothing to do here. This is defined only to ensure that .finish_request
+ * method is called upon request completion.
+ */
static void dd_prepare_request(struct request *rq)
{
- rq->elv.priv[0] = NULL;
}
/*
@@ -815,13 +787,11 @@ static void dd_finish_request(struct request *rq)
{
struct request_queue *q = rq->q;
struct deadline_data *dd = q->elevator->elevator_data;
- struct dd_blkcg *blkcg = rq->elv.priv[0];
const u8 ioprio_class = dd_rq_ioclass(rq);
const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
struct dd_per_prio *per_prio = &dd->per_prio[prio];
dd_count(dd, completed, prio);
- ddcg_count(blkcg, completed, ioprio_class);
if (blk_queue_is_zoned(q)) {
unsigned long flags;
@@ -1144,26 +1114,11 @@ MODULE_ALIAS("mq-deadline-iosched");
static int __init deadline_init(void)
{
- int ret;
-
- ret = elv_register(&mq_deadline);
- if (ret)
- goto out;
- ret = dd_blkcg_init();
- if (ret)
- goto unreg;
-
-out:
- return ret;
-
-unreg:
- elv_unregister(&mq_deadline);
- goto out;
+ return elv_register(&mq_deadline);
}
static void __exit deadline_exit(void)
{
- dd_blkcg_exit();
elv_unregister(&mq_deadline);
}
diff --git a/crypto/Kconfig b/crypto/Kconfig
index ca3b02d..64b772c 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1768,7 +1768,7 @@
bool
default y
select CRYPTO_HMAC
- select CRYPTO_SHA256
+ select CRYPTO_SHA512
config CRYPTO_DRBG_HASH
bool "Enable Hash DRBG"
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 23d9a09..a3ef6cc 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -3021,6 +3021,9 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc,
struct acpi_nfit_memory_map *memdev = nfit_memdev->memdev;
struct nd_mapping_desc *mapping;
+ /* range index 0 == unmapped in SPA or invalid-SPA */
+ if (memdev->range_index == 0 || spa->range_index == 0)
+ continue;
if (memdev->range_index != spa->range_index)
continue;
if (count >= ND_MAX_MAPPINGS) {
diff --git a/drivers/base/core.c b/drivers/base/core.c
index f636049..6c0ef9d 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2837,6 +2837,7 @@ void device_initialize(struct device *dev)
device_pm_init(dev);
set_dev_node(dev, -1);
#ifdef CONFIG_GENERIC_MSI_IRQ
+ raw_spin_lock_init(&dev->msi_lock);
INIT_LIST_HEAD(&dev->msi_list);
#endif
INIT_LIST_HEAD(&dev->links.consumers);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index c383179..19f5d5a 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -818,6 +818,10 @@ static bool nbd_clear_req(struct request *req, void *data, bool reserved)
{
struct nbd_cmd *cmd = blk_mq_rq_to_pdu(req);
+ /* don't abort one completed request */
+ if (blk_mq_request_completed(req))
+ return true;
+
mutex_lock(&cmd->lock);
cmd->status = BLK_STS_IOERR;
mutex_unlock(&cmd->lock);
@@ -2004,15 +2008,19 @@ static void nbd_disconnect_and_put(struct nbd_device *nbd)
{
mutex_lock(&nbd->config_lock);
nbd_disconnect(nbd);
- nbd_clear_sock(nbd);
- mutex_unlock(&nbd->config_lock);
+ sock_shutdown(nbd);
/*
* Make sure recv thread has finished, so it does not drop the last
* config ref and try to destroy the workqueue from inside the work
- * queue.
+ * queue. And this also ensure that we can safely call nbd_clear_que()
+ * to cancel the inflight I/Os.
*/
if (nbd->recv_workq)
flush_workqueue(nbd->recv_workq);
+ nbd_clear_que(nbd);
+ nbd->task_setup = NULL;
+ mutex_unlock(&nbd->config_lock);
+
if (test_and_clear_bit(NBD_RT_HAS_CONFIG_REF,
&nbd->config->runtime_flags))
nbd_config_put(nbd);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 4b49df2..afb37aac 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -692,6 +692,28 @@ static const struct blk_mq_ops virtio_mq_ops = {
static unsigned int virtblk_queue_depth;
module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
+static int virtblk_validate(struct virtio_device *vdev)
+{
+ u32 blk_size;
+
+ if (!vdev->config->get) {
+ dev_err(&vdev->dev, "%s failure: config access disabled\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (!virtio_has_feature(vdev, VIRTIO_BLK_F_BLK_SIZE))
+ return 0;
+
+ blk_size = virtio_cread32(vdev,
+ offsetof(struct virtio_blk_config, blk_size));
+
+ if (blk_size < SECTOR_SIZE || blk_size > PAGE_SIZE)
+ __virtio_clear_bit(vdev, VIRTIO_BLK_F_BLK_SIZE);
+
+ return 0;
+}
+
static int virtblk_probe(struct virtio_device *vdev)
{
struct virtio_blk *vblk;
@@ -703,12 +725,6 @@ static int virtblk_probe(struct virtio_device *vdev)
u8 physical_block_exp, alignment_offset;
unsigned int queue_depth;
- if (!vdev->config->get) {
- dev_err(&vdev->dev, "%s failure: config access disabled\n",
- __func__);
- return -EINVAL;
- }
-
err = ida_simple_get(&vd_index_ida, 0, minor_to_index(1 << MINORBITS),
GFP_KERNEL);
if (err < 0)
@@ -823,6 +839,14 @@ static int virtblk_probe(struct virtio_device *vdev)
else
blk_size = queue_logical_block_size(q);
+ if (unlikely(blk_size < SECTOR_SIZE || blk_size > PAGE_SIZE)) {
+ dev_err(&vdev->dev,
+ "block size is changed unexpectedly, now is %u\n",
+ blk_size);
+ err = -EINVAL;
+ goto err_cleanup_disk;
+ }
+
/* Use topology information if available */
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_TOPOLOGY,
struct virtio_blk_config, physical_block_exp,
@@ -881,6 +905,8 @@ static int virtblk_probe(struct virtio_device *vdev)
device_add_disk(&vdev->dev, vblk->disk, virtblk_attr_groups);
return 0;
+err_cleanup_disk:
+ blk_cleanup_disk(vblk->disk);
out_free_tags:
blk_mq_free_tag_set(&vblk->tag_set);
out_free_vq:
@@ -983,6 +1009,7 @@ static struct virtio_driver virtio_blk = {
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
+ .validate = virtblk_validate,
.probe = virtblk_probe,
.remove = virtblk_remove,
.config_changed = virtblk_config_changed,
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 5fa6ae9..44736cb 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -313,7 +313,7 @@ long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
return -ENXIO;
if (nr_pages < 0)
- return nr_pages;
+ return -EINVAL;
avail = dax_dev->ops->direct_access(dax_dev, pgoff, nr_pages,
kaddr, pfn);
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index 7bf0a7a..2363fee 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -35,15 +35,48 @@ efi_status_t check_platform_features(void)
}
/*
- * Although relocatable kernels can fix up the misalignment with respect to
- * MIN_KIMG_ALIGN, the resulting virtual text addresses are subtly out of
- * sync with those recorded in the vmlinux when kaslr is disabled but the
- * image required relocation anyway. Therefore retain 2M alignment unless
- * KASLR is in use.
+ * Distro versions of GRUB may ignore the BSS allocation entirely (i.e., fail
+ * to provide space, and fail to zero it). Check for this condition by double
+ * checking that the first and the last byte of the image are covered by the
+ * same EFI memory map entry.
*/
-static u64 min_kimg_align(void)
+static bool check_image_region(u64 base, u64 size)
{
- return efi_nokaslr ? MIN_KIMG_ALIGN : EFI_KIMG_ALIGN;
+ unsigned long map_size, desc_size, buff_size;
+ efi_memory_desc_t *memory_map;
+ struct efi_boot_memmap map;
+ efi_status_t status;
+ bool ret = false;
+ int map_offset;
+
+ map.map = &memory_map;
+ map.map_size = &map_size;
+ map.desc_size = &desc_size;
+ map.desc_ver = NULL;
+ map.key_ptr = NULL;
+ map.buff_size = &buff_size;
+
+ status = efi_get_memory_map(&map);
+ if (status != EFI_SUCCESS)
+ return false;
+
+ for (map_offset = 0; map_offset < map_size; map_offset += desc_size) {
+ efi_memory_desc_t *md = (void *)memory_map + map_offset;
+ u64 end = md->phys_addr + md->num_pages * EFI_PAGE_SIZE;
+
+ /*
+ * Find the region that covers base, and return whether
+ * it covers base+size bytes.
+ */
+ if (base >= md->phys_addr && base < end) {
+ ret = (base + size) <= end;
+ break;
+ }
+ }
+
+ efi_bs_call(free_pool, memory_map);
+
+ return ret;
}
efi_status_t handle_kernel_image(unsigned long *image_addr,
@@ -56,6 +89,16 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
unsigned long kernel_size, kernel_memsize = 0;
u32 phys_seed = 0;
+ /*
+ * Although relocatable kernels can fix up the misalignment with
+ * respect to MIN_KIMG_ALIGN, the resulting virtual text addresses are
+ * subtly out of sync with those recorded in the vmlinux when kaslr is
+ * disabled but the image required relocation anyway. Therefore retain
+ * 2M alignment if KASLR was explicitly disabled, even if it was not
+ * going to be activated to begin with.
+ */
+ u64 min_kimg_align = efi_nokaslr ? MIN_KIMG_ALIGN : EFI_KIMG_ALIGN;
+
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
if (!efi_nokaslr) {
status = efi_get_random_bytes(sizeof(phys_seed),
@@ -76,6 +119,10 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
if (image->image_base != _text)
efi_err("FIRMWARE BUG: efi_loaded_image_t::image_base has bogus value\n");
+ if (!IS_ALIGNED((u64)_text, EFI_KIMG_ALIGN))
+ efi_err("FIRMWARE BUG: kernel image not aligned on %ldk boundary\n",
+ EFI_KIMG_ALIGN >> 10);
+
kernel_size = _edata - _text;
kernel_memsize = kernel_size + (_end - _edata);
*reserve_size = kernel_memsize;
@@ -85,14 +132,18 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
* If KASLR is enabled, and we have some randomness available,
* locate the kernel at a randomized offset in physical memory.
*/
- status = efi_random_alloc(*reserve_size, min_kimg_align(),
+ status = efi_random_alloc(*reserve_size, min_kimg_align,
reserve_addr, phys_seed);
+ if (status != EFI_SUCCESS)
+ efi_warn("efi_random_alloc() failed: 0x%lx\n", status);
} else {
status = EFI_OUT_OF_RESOURCES;
}
if (status != EFI_SUCCESS) {
- if (IS_ALIGNED((u64)_text, min_kimg_align())) {
+ if (!check_image_region((u64)_text, kernel_memsize)) {
+ efi_err("FIRMWARE BUG: Image BSS overlaps adjacent EFI memory region\n");
+ } else if (IS_ALIGNED((u64)_text, min_kimg_align)) {
/*
* Just execute from wherever we were loaded by the
* UEFI PE/COFF loader if the alignment is suitable.
@@ -103,7 +154,7 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
}
status = efi_allocate_pages_aligned(*reserve_size, reserve_addr,
- ULONG_MAX, min_kimg_align());
+ ULONG_MAX, min_kimg_align);
if (status != EFI_SUCCESS) {
efi_err("Failed to relocate kernel\n");
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index a408df4..724155b 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -30,6 +30,8 @@ static unsigned long get_entry_num_slots(efi_memory_desc_t *md,
region_end = min(md->phys_addr + md->num_pages * EFI_PAGE_SIZE - 1,
(u64)ULONG_MAX);
+ if (region_end < size)
+ return 0;
first_slot = round_up(md->phys_addr, align);
last_slot = round_down(region_end - size + 1, align);
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
index cceaf69..6304d1d 100644
--- a/drivers/i2c/busses/i2c-bcm-iproc.c
+++ b/drivers/i2c/busses/i2c-bcm-iproc.c
@@ -1224,14 +1224,14 @@ static int bcm_iproc_i2c_unreg_slave(struct i2c_client *slave)
disable_irq(iproc_i2c->irq);
+ tasklet_kill(&iproc_i2c->slave_rx_tasklet);
+
/* disable all slave interrupts */
tmp = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);
tmp &= ~(IE_S_ALL_INTERRUPT_MASK <<
IE_S_ALL_INTERRUPT_SHIFT);
iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, tmp);
- tasklet_kill(&iproc_i2c->slave_rx_tasklet);
-
/* Erase the slave address programmed */
tmp = iproc_i2c_rd_reg(iproc_i2c, S_CFG_SMBUS_ADDR_OFFSET);
tmp &= ~BIT(S_CFG_EN_NIC_SMB_ADDR3_SHIFT);
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index cb64fe6..77f576e 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -141,7 +141,7 @@ static ssize_t i2cdev_read(struct file *file, char __user *buf, size_t count,
if (count > 8192)
count = 8192;
- tmp = kmalloc(count, GFP_KERNEL);
+ tmp = kzalloc(count, GFP_KERNEL);
if (tmp == NULL)
return -ENOMEM;
@@ -150,7 +150,8 @@ static ssize_t i2cdev_read(struct file *file, char __user *buf, size_t count,
ret = i2c_master_recv(client, tmp, count);
if (ret >= 0)
- ret = copy_to_user(buf, tmp, count) ? -EFAULT : ret;
+ if (copy_to_user(buf, tmp, ret))
+ ret = -EFAULT;
kfree(tmp);
return ret;
}
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 0e56ace..8d8b1ba 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -231,6 +231,7 @@
config FXLS8962AF
tristate
+ depends on I2C || !I2C # cannot be built-in for modular I2C
config FXLS8962AF_I2C
tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer I2C Driver"
@@ -247,6 +248,7 @@
config FXLS8962AF_SPI
tristate "NXP FXLS8962AF/FXLS8964AF Accelerometer SPI Driver"
depends on SPI
+ depends on I2C || !I2C
select FXLS8962AF
select REGMAP_SPI
help
diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
index 078d878..0019f1e 100644
--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -637,7 +637,7 @@ static int fxls8962af_i2c_raw_read_errata3(struct fxls8962af_data *data,
return ret;
}
- return ret;
+ return 0;
}
static int fxls8962af_fifo_transfer(struct fxls8962af_data *data,
diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 6ef0960..f9c8385 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -664,8 +664,8 @@ static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc)
adc_period = adc->auto_conversion_period;
for (i = 0; i < 16; ++i) {
- if (((1000 * (1 << i)) / 32) < adc_period)
- continue;
+ if (((1000 * (1 << i)) / 32) >= adc_period)
+ break;
}
if (i > 0)
i--;
diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c
index 2383eac..a2b83f0 100644
--- a/drivers/iio/adc/ti-ads7950.c
+++ b/drivers/iio/adc/ti-ads7950.c
@@ -568,7 +568,6 @@ static int ti_ads7950_probe(struct spi_device *spi)
st->ring_xfer.tx_buf = &st->tx_buf[0];
st->ring_xfer.rx_buf = &st->rx_buf[0];
/* len will be set later */
- st->ring_xfer.cs_change = true;
spi_message_add_tail(&st->ring_xfer, &st->ring_msg);
diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index 2a957f1..9e0fce9 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -25,6 +25,8 @@
#include <linux/iio/trigger_consumer.h>
#include <linux/iio/triggered_buffer.h>
+#include <linux/time.h>
+
#define HDC100X_REG_TEMP 0x00
#define HDC100X_REG_HUMIDITY 0x01
@@ -166,7 +168,7 @@ static int hdc100x_get_measurement(struct hdc100x_data *data,
struct iio_chan_spec const *chan)
{
struct i2c_client *client = data->client;
- int delay = data->adc_int_us[chan->address];
+ int delay = data->adc_int_us[chan->address] + 1*USEC_PER_MSEC;
int ret;
__be16 val;
@@ -316,7 +318,7 @@ static irqreturn_t hdc100x_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct hdc100x_data *data = iio_priv(indio_dev);
struct i2c_client *client = data->client;
- int delay = data->adc_int_us[0] + data->adc_int_us[1];
+ int delay = data->adc_int_us[0] + data->adc_int_us[1] + 2*USEC_PER_MSEC;
int ret;
/* dual read starts at temp register */
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index a5b421f..b9a06ca 100644
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -411,12 +411,11 @@ int __adis_initial_startup(struct adis *adis)
int ret;
/* check if the device has rst pin low */
- gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_ASIS);
+ gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(gpio))
return PTR_ERR(gpio);
if (gpio) {
- gpiod_set_value_cansleep(gpio, 1);
msleep(10);
/* bring device out of reset */
gpiod_set_value_cansleep(gpio, 0);
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 3097e93..a761134 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -119,7 +119,7 @@ static int cfi_use_status_reg(struct cfi_private *cfi)
struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
u8 poll_mask = CFI_POLL_STATUS_REG | CFI_POLL_DQ;
- return extp->MinorVersion >= '5' &&
+ return extp && extp->MinorVersion >= '5' &&
(extp->SoftwareFeatures & poll_mask) == CFI_POLL_STATUS_REG;
}
diff --git a/drivers/mtd/devices/mchp48l640.c b/drivers/mtd/devices/mchp48l640.c
index efc2003..99400d0 100644
--- a/drivers/mtd/devices/mchp48l640.c
+++ b/drivers/mtd/devices/mchp48l640.c
@@ -229,7 +229,7 @@ static int mchp48l640_write(struct mtd_info *mtd, loff_t to, size_t len,
woff += ws;
}
- return ret;
+ return 0;
}
static int mchp48l640_read_page(struct mtd_info *mtd, loff_t from, size_t len,
@@ -255,6 +255,7 @@ static int mchp48l640_read_page(struct mtd_info *mtd, loff_t from, size_t len,
if (!ret)
*retlen += len;
+ kfree(cmd);
return ret;
fail:
@@ -286,7 +287,7 @@ static int mchp48l640_read(struct mtd_info *mtd, loff_t from, size_t len,
woff += ws;
}
- return ret;
+ return 0;
};
static const struct mchp48_caps mchp48l640_caps = {
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 6ce4bc5..44bea3f 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -419,6 +419,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
if (tr->discard) {
blk_queue_flag_set(QUEUE_FLAG_DISCARD, new->rq);
blk_queue_max_discard_sectors(new->rq, UINT_MAX);
+ new->rq->limits.discard_granularity = tr->blksize;
}
gd->queue = new->rq;
@@ -525,14 +526,10 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
if (!blktrans_notifier.list.next)
register_mtd_user(&blktrans_notifier);
-
- mutex_lock(&mtd_table_mutex);
-
ret = register_blkdev(tr->major, tr->name);
if (ret < 0) {
printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n",
tr->name, tr->major, ret);
- mutex_unlock(&mtd_table_mutex);
return ret;
}
@@ -542,12 +539,12 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
tr->blkshift = ffs(tr->blksize) - 1;
INIT_LIST_HEAD(&tr->devs);
- list_add(&tr->list, &blktrans_majors);
+ mutex_lock(&mtd_table_mutex);
+ list_add(&tr->list, &blktrans_majors);
mtd_for_each_device(mtd)
if (mtd->type != MTD_ABSENT)
tr->add_mtd(tr, mtd);
-
mutex_unlock(&mtd_table_mutex);
return 0;
}
@@ -564,8 +561,8 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr)
list_for_each_entry_safe(dev, next, &tr->devs, list)
tr->remove_dev(dev);
- unregister_blkdev(tr->major, tr->name);
mutex_unlock(&mtd_table_mutex);
+ unregister_blkdev(tr->major, tr->name);
BUG_ON(!list_empty(&tr->devs));
return 0;
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index b5ccd30..c8fd7f75 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -806,7 +806,9 @@ static ssize_t mtd_otp_size(struct mtd_info *mtd, bool is_user)
err:
kfree(info);
- return ret;
+
+ /* ENODATA means there is no OTP region. */
+ return ret == -ENODATA ? 0 : ret;
}
static struct nvmem_device *mtd_otp_nvmem_register(struct mtd_info *mtd,
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 57a5831..3d6c6e8 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -5228,12 +5228,18 @@ static bool of_get_nand_on_flash_bbt(struct device_node *np)
static int of_get_nand_secure_regions(struct nand_chip *chip)
{
struct device_node *dn = nand_get_flash_node(chip);
+ struct property *prop;
int nr_elem, i, j;
- nr_elem = of_property_count_elems_of_size(dn, "secure-regions", sizeof(u64));
- if (!nr_elem)
+ /* Only proceed if the "secure-regions" property is present in DT */
+ prop = of_find_property(dn, "secure-regions", NULL);
+ if (!prop)
return 0;
+ nr_elem = of_property_count_elems_of_size(dn, "secure-regions", sizeof(u64));
+ if (nr_elem <= 0)
+ return nr_elem;
+
chip->nr_secure_regions = nr_elem / 2;
chip->secure_regions = kcalloc(chip->nr_secure_regions, sizeof(*chip->secure_regions),
GFP_KERNEL);
diff --git a/drivers/net/dsa/sja1105/sja1105_mdio.c b/drivers/net/dsa/sja1105/sja1105_mdio.c
index 19aea8f..705d390 100644
--- a/drivers/net/dsa/sja1105/sja1105_mdio.c
+++ b/drivers/net/dsa/sja1105/sja1105_mdio.c
@@ -284,8 +284,7 @@ static int sja1105_mdiobus_base_tx_register(struct sja1105_private *priv,
struct mii_bus *bus;
int rc = 0;
- np = of_find_compatible_node(mdio_node, NULL,
- "nxp,sja1110-base-tx-mdio");
+ np = of_get_compatible_child(mdio_node, "nxp,sja1110-base-tx-mdio");
if (!np)
return 0;
@@ -339,8 +338,7 @@ static int sja1105_mdiobus_base_t1_register(struct sja1105_private *priv,
struct mii_bus *bus;
int rc = 0;
- np = of_find_compatible_node(mdio_node, NULL,
- "nxp,sja1110-base-t1-mdio");
+ np = of_get_compatible_child(mdio_node, "nxp,sja1110-base-t1-mdio");
if (!np)
return 0;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8eb5966..893bdaf 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -72,7 +72,8 @@
#include "bnxt_debugfs.h"
#define BNXT_TX_TIMEOUT (5 * HZ)
-#define BNXT_DEF_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_HW)
+#define BNXT_DEF_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_HW | \
+ NETIF_MSG_TX_ERR)
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Broadcom BCM573xx network driver");
@@ -367,6 +368,33 @@ static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb)
return md_dst->u.port_info.port_id;
}
+static void bnxt_txr_db_kick(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
+ u16 prod)
+{
+ bnxt_db_write(bp, &txr->tx_db, prod);
+ txr->kick_pending = 0;
+}
+
+static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp,
+ struct bnxt_tx_ring_info *txr,
+ struct netdev_queue *txq)
+{
+ netif_tx_stop_queue(txq);
+
+ /* netif_tx_stop_queue() must be done before checking
+ * tx index in bnxt_tx_avail() below, because in
+ * bnxt_tx_int(), we update tx index before checking for
+ * netif_tx_queue_stopped().
+ */
+ smp_mb();
+ if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) {
+ netif_tx_wake_queue(txq);
+ return false;
+ }
+
+ return true;
+}
+
static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
@@ -386,6 +414,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
i = skb_get_queue_mapping(skb);
if (unlikely(i >= bp->tx_nr_rings)) {
dev_kfree_skb_any(skb);
+ atomic_long_inc(&dev->tx_dropped);
return NETDEV_TX_OK;
}
@@ -395,8 +424,12 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
free_size = bnxt_tx_avail(bp, txr);
if (unlikely(free_size < skb_shinfo(skb)->nr_frags + 2)) {
- netif_tx_stop_queue(txq);
- return NETDEV_TX_BUSY;
+ /* We must have raced with NAPI cleanup */
+ if (net_ratelimit() && txr->kick_pending)
+ netif_warn(bp, tx_err, dev,
+ "bnxt: ring busy w/ flush pending!\n");
+ if (bnxt_txr_netif_try_stop_queue(bp, txr, txq))
+ return NETDEV_TX_BUSY;
}
length = skb->len;
@@ -519,21 +552,16 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
normal_tx:
if (length < BNXT_MIN_PKT_SIZE) {
pad = BNXT_MIN_PKT_SIZE - length;
- if (skb_pad(skb, pad)) {
+ if (skb_pad(skb, pad))
/* SKB already freed. */
- tx_buf->skb = NULL;
- return NETDEV_TX_OK;
- }
+ goto tx_kick_pending;
length = BNXT_MIN_PKT_SIZE;
}
mapping = dma_map_single(&pdev->dev, skb->data, len, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(&pdev->dev, mapping))) {
- dev_kfree_skb_any(skb);
- tx_buf->skb = NULL;
- return NETDEV_TX_OK;
- }
+ if (unlikely(dma_mapping_error(&pdev->dev, mapping)))
+ goto tx_free;
dma_unmap_addr_set(tx_buf, mapping, mapping);
flags = (len << TX_BD_LEN_SHIFT) | TX_BD_TYPE_LONG_TX_BD |
@@ -620,24 +648,17 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
txr->tx_prod = prod;
if (!netdev_xmit_more() || netif_xmit_stopped(txq))
- bnxt_db_write(bp, &txr->tx_db, prod);
+ bnxt_txr_db_kick(bp, txr, prod);
+ else
+ txr->kick_pending = 1;
tx_done:
if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) {
if (netdev_xmit_more() && !tx_buf->is_push)
- bnxt_db_write(bp, &txr->tx_db, prod);
+ bnxt_txr_db_kick(bp, txr, prod);
- netif_tx_stop_queue(txq);
-
- /* netif_tx_stop_queue() must be done before checking
- * tx index in bnxt_tx_avail() below, because in
- * bnxt_tx_int(), we update tx index before checking for
- * netif_tx_queue_stopped().
- */
- smp_mb();
- if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)
- netif_tx_wake_queue(txq);
+ bnxt_txr_netif_try_stop_queue(bp, txr, txq);
}
return NETDEV_TX_OK;
@@ -650,7 +671,6 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* start back at beginning and unmap skb */
prod = txr->tx_prod;
tx_buf = &txr->tx_buf_ring[prod];
- tx_buf->skb = NULL;
dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
skb_headlen(skb), PCI_DMA_TODEVICE);
prod = NEXT_TX(prod);
@@ -664,7 +684,13 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
PCI_DMA_TODEVICE);
}
+tx_free:
dev_kfree_skb_any(skb);
+tx_kick_pending:
+ if (txr->kick_pending)
+ bnxt_txr_db_kick(bp, txr, txr->tx_prod);
+ txr->tx_buf_ring[txr->tx_prod].skb = NULL;
+ atomic_long_inc(&dev->tx_dropped);
return NETDEV_TX_OK;
}
@@ -734,14 +760,9 @@ static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts)
smp_mb();
if (unlikely(netif_tx_queue_stopped(txq)) &&
- (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
- __netif_tx_lock(txq, smp_processor_id());
- if (netif_tx_queue_stopped(txq) &&
- bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
- txr->dev_state != BNXT_DEV_STATE_CLOSING)
- netif_tx_wake_queue(txq);
- __netif_tx_unlock(txq);
- }
+ bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
+ READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING)
+ netif_tx_wake_queue(txq);
}
static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping,
@@ -1769,6 +1790,10 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
return -EBUSY;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
prod = rxr->rx_prod;
if (cmp_type == CMP_TYPE_RX_L2_TPA_START_CMP) {
@@ -1991,6 +2016,10 @@ static int bnxt_force_rx_discard(struct bnxt *bp,
if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
return -EBUSY;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
cmp_type = RX_CMP_TYPE(rxcmp);
if (cmp_type == CMP_TYPE_RX_L2_CMP) {
rxcmp1->rx_cmp_cfa_code_errors_v2 |=
@@ -2477,6 +2506,10 @@ static int bnxt_poll_nitroa0(struct napi_struct *napi, int budget)
if (!TX_CMP_VALID(txcmp, raw_cons))
break;
+ /* The valid test of the entry must be done first before
+ * reading any further.
+ */
+ dma_rmb();
if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
tmp_raw_cons = NEXT_RAW_CMP(raw_cons);
cp_cons = RING_CMP(tmp_raw_cons);
@@ -9230,10 +9263,9 @@ static void bnxt_disable_napi(struct bnxt *bp)
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
+ napi_disable(&bp->bnapi[i]->napi);
if (bp->bnapi[i]->rx_ring)
cancel_work_sync(&cpr->dim.work);
-
- napi_disable(&bp->bnapi[i]->napi);
}
}
@@ -9267,9 +9299,11 @@ void bnxt_tx_disable(struct bnxt *bp)
if (bp->tx_ring) {
for (i = 0; i < bp->tx_nr_rings; i++) {
txr = &bp->tx_ring[i];
- txr->dev_state = BNXT_DEV_STATE_CLOSING;
+ WRITE_ONCE(txr->dev_state, BNXT_DEV_STATE_CLOSING);
}
}
+ /* Make sure napi polls see @dev_state change */
+ synchronize_net();
/* Drop carrier first to prevent TX timeout */
netif_carrier_off(bp->dev);
/* Stop all TX queues */
@@ -9283,8 +9317,10 @@ void bnxt_tx_enable(struct bnxt *bp)
for (i = 0; i < bp->tx_nr_rings; i++) {
txr = &bp->tx_ring[i];
- txr->dev_state = 0;
+ WRITE_ONCE(txr->dev_state, 0);
}
+ /* Make sure napi polls see @dev_state change */
+ synchronize_net();
netif_tx_wake_all_queues(bp->dev);
if (bp->link_info.link_up)
netif_carrier_on(bp->dev);
@@ -10863,6 +10899,9 @@ static bool bnxt_rfs_supported(struct bnxt *bp)
return true;
return false;
}
+ /* 212 firmware is broken for aRFS */
+ if (BNXT_FW_MAJ(bp) == 212)
+ return false;
if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
return true;
if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 9c3324e..7b989b6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -799,6 +799,7 @@ struct bnxt_tx_ring_info {
u16 tx_prod;
u16 tx_cons;
u16 txq_index;
+ u8 kick_pending;
struct bnxt_db_info tx_db;
struct tx_bd *tx_desc_ring[MAX_TX_PAGES];
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index d260993..1419c8d 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
@@ -3160,17 +3160,6 @@ static int dpaa2_switch_port_init(struct ethsw_port_priv *port_priv, u16 port)
return err;
}
-static void dpaa2_switch_takedown(struct fsl_mc_device *sw_dev)
-{
- struct device *dev = &sw_dev->dev;
- struct ethsw_core *ethsw = dev_get_drvdata(dev);
- int err;
-
- err = dpsw_close(ethsw->mc_io, 0, ethsw->dpsw_handle);
- if (err)
- dev_warn(dev, "dpsw_close err %d\n", err);
-}
-
static void dpaa2_switch_ctrl_if_teardown(struct ethsw_core *ethsw)
{
dpsw_ctrl_if_disable(ethsw->mc_io, 0, ethsw->dpsw_handle);
@@ -3180,6 +3169,21 @@ static void dpaa2_switch_ctrl_if_teardown(struct ethsw_core *ethsw)
dpaa2_switch_free_dpbp(ethsw);
}
+static void dpaa2_switch_teardown(struct fsl_mc_device *sw_dev)
+{
+ struct device *dev = &sw_dev->dev;
+ struct ethsw_core *ethsw = dev_get_drvdata(dev);
+ int err;
+
+ dpaa2_switch_ctrl_if_teardown(ethsw);
+
+ destroy_workqueue(ethsw->workqueue);
+
+ err = dpsw_close(ethsw->mc_io, 0, ethsw->dpsw_handle);
+ if (err)
+ dev_warn(dev, "dpsw_close err %d\n", err);
+}
+
static int dpaa2_switch_remove(struct fsl_mc_device *sw_dev)
{
struct ethsw_port_priv *port_priv;
@@ -3190,8 +3194,6 @@ static int dpaa2_switch_remove(struct fsl_mc_device *sw_dev)
dev = &sw_dev->dev;
ethsw = dev_get_drvdata(dev);
- dpaa2_switch_ctrl_if_teardown(ethsw);
-
dpaa2_switch_teardown_irqs(sw_dev);
dpsw_disable(ethsw->mc_io, 0, ethsw->dpsw_handle);
@@ -3207,9 +3209,7 @@ static int dpaa2_switch_remove(struct fsl_mc_device *sw_dev)
kfree(ethsw->filter_blocks);
kfree(ethsw->ports);
- dpaa2_switch_takedown(sw_dev);
-
- destroy_workqueue(ethsw->workqueue);
+ dpaa2_switch_teardown(sw_dev);
fsl_mc_portal_free(ethsw->mc_io);
@@ -3326,7 +3326,7 @@ static int dpaa2_switch_probe(struct fsl_mc_device *sw_dev)
GFP_KERNEL);
if (!(ethsw->ports)) {
err = -ENOMEM;
- goto err_takedown;
+ goto err_teardown;
}
ethsw->fdbs = kcalloc(ethsw->sw_attr.num_ifs, sizeof(*ethsw->fdbs),
@@ -3397,8 +3397,8 @@ static int dpaa2_switch_probe(struct fsl_mc_device *sw_dev)
err_free_ports:
kfree(ethsw->ports);
-err_takedown:
- dpaa2_switch_takedown(sw_dev);
+err_teardown:
+ dpaa2_switch_teardown(sw_dev);
err_free_cmdport:
fsl_mc_portal_free(ethsw->mc_io);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 3f25bd8..10a83e5 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3663,8 +3663,7 @@ u16 i40e_lan_select_queue(struct net_device *netdev,
/* is DCB enabled at all? */
if (vsi->tc_config.numtc == 1)
- return i40e_swdcb_skb_tx_hash(netdev, skb,
- netdev->real_num_tx_queues);
+ return netdev_pick_tx(netdev, skb, sb_dev);
prio = skb->priority;
hw = &vsi->back->hw;
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h
index b351ad6..68c80f0 100644
--- a/drivers/net/ethernet/intel/iavf/iavf.h
+++ b/drivers/net/ethernet/intel/iavf/iavf.h
@@ -136,6 +136,7 @@ struct iavf_q_vector {
struct iavf_mac_filter {
struct list_head list;
u8 macaddr[ETH_ALEN];
+ bool is_new_mac; /* filter is new, wait for PF decision */
bool remove; /* filter needs to be removed */
bool add; /* filter needs to be added */
};
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 1977891..23762a7 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -772,6 +772,7 @@ struct iavf_mac_filter *iavf_add_filter(struct iavf_adapter *adapter,
list_add_tail(&f->list, &adapter->mac_filter_list);
f->add = true;
+ f->is_new_mac = true;
adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER;
} else {
f->remove = false;
diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
index 0eab3c4..3c73596 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c
@@ -541,6 +541,47 @@ void iavf_del_ether_addrs(struct iavf_adapter *adapter)
}
/**
+ * iavf_mac_add_ok
+ * @adapter: adapter structure
+ *
+ * Submit list of filters based on PF response.
+ **/
+static void iavf_mac_add_ok(struct iavf_adapter *adapter)
+{
+ struct iavf_mac_filter *f, *ftmp;
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+ f->is_new_mac = false;
+ }
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
+/**
+ * iavf_mac_add_reject
+ * @adapter: adapter structure
+ *
+ * Remove filters from list based on PF response.
+ **/
+static void iavf_mac_add_reject(struct iavf_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct iavf_mac_filter *f, *ftmp;
+
+ spin_lock_bh(&adapter->mac_vlan_list_lock);
+ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
+ if (f->remove && ether_addr_equal(f->macaddr, netdev->dev_addr))
+ f->remove = false;
+
+ if (f->is_new_mac) {
+ list_del(&f->list);
+ kfree(f);
+ }
+ }
+ spin_unlock_bh(&adapter->mac_vlan_list_lock);
+}
+
+/**
* iavf_add_vlans
* @adapter: adapter structure
*
@@ -1492,6 +1533,7 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
case VIRTCHNL_OP_ADD_ETH_ADDR:
dev_err(&adapter->pdev->dev, "Failed to add MAC filter, error %s\n",
iavf_stat_str(&adapter->hw, v_retval));
+ iavf_mac_add_reject(adapter);
/* restore administratively set MAC address */
ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
break;
@@ -1639,10 +1681,11 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter,
}
}
switch (v_opcode) {
- case VIRTCHNL_OP_ADD_ETH_ADDR: {
+ case VIRTCHNL_OP_ADD_ETH_ADDR:
+ if (!v_retval)
+ iavf_mac_add_ok(adapter);
if (!ether_addr_equal(netdev->dev_addr, adapter->hw.mac.addr))
ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
- }
break;
case VIRTCHNL_OP_GET_STATS: {
struct iavf_eth_stats *stats =
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 5d5207b..9e3ddb9 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -656,7 +656,7 @@ static int ice_ptp_cfg_clkout(struct ice_pf *pf, unsigned int chan,
* maintaining phase
*/
if (start_time < current_time)
- start_time = div64_u64(current_time + NSEC_PER_MSEC - 1,
+ start_time = div64_u64(current_time + NSEC_PER_SEC - 1,
NSEC_PER_SEC) * NSEC_PER_SEC + phase;
start_time -= E810_OUT_PROP_DELAY_NS;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 96dd1a4..b1d22e4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -52,8 +52,11 @@ static int ixgbe_xsk_pool_enable(struct ixgbe_adapter *adapter,
/* Kick start the NAPI context so that receiving will start */
err = ixgbe_xsk_wakeup(adapter->netdev, qid, XDP_WAKEUP_RX);
- if (err)
+ if (err) {
+ clear_bit(qid, adapter->af_xdp_zc_qps);
+ xsk_pool_dma_unmap(pool, IXGBE_RX_DMA_ATTR);
return err;
+ }
}
return 0;
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index 5209650..8ec1941 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1358,6 +1358,7 @@ void ocelot_apply_bridge_fwd_mask(struct ocelot *ocelot)
struct net_device *bond = ocelot_port->bond;
mask = ocelot_get_bridge_fwd_mask(ocelot, bridge);
+ mask |= cpu_fwd_mask;
mask &= ~BIT(port);
if (bond) {
mask &= ~ocelot_get_bond_mask(ocelot, bond,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 02a4610..c46a7f7 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -327,6 +327,9 @@ static int qed_ll2_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
unsigned long flags;
int rc = -EINVAL;
+ if (!p_ll2_conn)
+ return rc;
+
spin_lock_irqsave(&p_tx->lock, flags);
if (p_tx->b_completing_packet) {
rc = -EBUSY;
@@ -500,7 +503,16 @@ static int qed_ll2_rxq_completion(struct qed_hwfn *p_hwfn, void *cookie)
unsigned long flags = 0;
int rc = 0;
+ if (!p_ll2_conn)
+ return rc;
+
spin_lock_irqsave(&p_rx->lock, flags);
+
+ if (!QED_LL2_RX_REGISTERED(p_ll2_conn)) {
+ spin_unlock_irqrestore(&p_rx->lock, flags);
+ return 0;
+ }
+
cq_new_idx = le16_to_cpu(*p_rx->p_fw_cons);
cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain);
@@ -821,6 +833,9 @@ static int qed_ll2_lb_rxq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
struct qed_ll2_info *p_ll2_conn = (struct qed_ll2_info *)p_cookie;
int rc;
+ if (!p_ll2_conn)
+ return 0;
+
if (!QED_LL2_RX_REGISTERED(p_ll2_conn))
return 0;
@@ -844,6 +859,9 @@ static int qed_ll2_lb_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
u16 new_idx = 0, num_bds = 0;
int rc;
+ if (!p_ll2_conn)
+ return 0;
+
if (!QED_LL2_TX_REGISTERED(p_ll2_conn))
return 0;
@@ -1728,6 +1746,8 @@ int qed_ll2_post_rx_buffer(void *cxt,
if (!p_ll2_conn)
return -EINVAL;
p_rx = &p_ll2_conn->rx_queue;
+ if (!p_rx->set_prod_addr)
+ return -EIO;
spin_lock_irqsave(&p_rx->lock, flags);
if (!list_empty(&p_rx->free_descq))
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index da864d1..4f4b792 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -1285,8 +1285,7 @@ qed_rdma_create_qp(void *rdma_cxt,
if (!rdma_cxt || !in_params || !out_params ||
!p_hwfn->p_rdma_info->active) {
- DP_ERR(p_hwfn->cdev,
- "qed roce create qp failed due to NULL entry (rdma_cxt=%p, in=%p, out=%p, roce_info=?\n",
+ pr_err("qed roce create qp failed due to NULL entry (rdma_cxt=%p, in=%p, out=%p, roce_info=?\n",
rdma_cxt, in_params, out_params);
return NULL;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index d8882d0..d51bac7 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3156,8 +3156,10 @@ int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
ret = QLCRD32(adapter, indirect_addr, &err);
- if (err == -EIO)
+ if (err == -EIO) {
+ qlcnic_83xx_unlock_flash(adapter);
return err;
+ }
word = ret;
*(u32 *)p_data = word;
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index fcf3af7..8fe8887 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -827,6 +827,12 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte)
return;
}
+ if (sp->rx_count_cooked + 2 >= sizeof(sp->cooked_buf)) {
+ pr_err("6pack: cooked buffer overrun, data loss\n");
+ sp->rx_count = 0;
+ return;
+ }
+
buf = sp->raw_buf;
sp->cooked_buf[sp->rx_count_cooked++] =
buf[0] | ((buf[1] << 2) & 0xc0);
diff --git a/drivers/net/mdio/mdio-mux.c b/drivers/net/mdio/mdio-mux.c
index 110e4ee..ebd001f 100644
--- a/drivers/net/mdio/mdio-mux.c
+++ b/drivers/net/mdio/mdio-mux.c
@@ -82,6 +82,17 @@ static int mdio_mux_write(struct mii_bus *bus, int phy_id,
static int parent_count;
+static void mdio_mux_uninit_children(struct mdio_mux_parent_bus *pb)
+{
+ struct mdio_mux_child_bus *cb = pb->children;
+
+ while (cb) {
+ mdiobus_unregister(cb->mii_bus);
+ mdiobus_free(cb->mii_bus);
+ cb = cb->next;
+ }
+}
+
int mdio_mux_init(struct device *dev,
struct device_node *mux_node,
int (*switch_fn)(int cur, int desired, void *data),
@@ -144,7 +155,7 @@ int mdio_mux_init(struct device *dev,
cb = devm_kzalloc(dev, sizeof(*cb), GFP_KERNEL);
if (!cb) {
ret_val = -ENOMEM;
- continue;
+ goto err_loop;
}
cb->bus_number = v;
cb->parent = pb;
@@ -152,8 +163,7 @@ int mdio_mux_init(struct device *dev,
cb->mii_bus = mdiobus_alloc();
if (!cb->mii_bus) {
ret_val = -ENOMEM;
- devm_kfree(dev, cb);
- continue;
+ goto err_loop;
}
cb->mii_bus->priv = cb;
@@ -165,11 +175,15 @@ int mdio_mux_init(struct device *dev,
cb->mii_bus->write = mdio_mux_write;
r = of_mdiobus_register(cb->mii_bus, child_bus_node);
if (r) {
+ mdiobus_free(cb->mii_bus);
+ if (r == -EPROBE_DEFER) {
+ ret_val = r;
+ goto err_loop;
+ }
+ devm_kfree(dev, cb);
dev_err(dev,
"Error: Failed to register MDIO bus for child %pOF\n",
child_bus_node);
- mdiobus_free(cb->mii_bus);
- devm_kfree(dev, cb);
} else {
cb->next = pb->children;
pb->children = cb;
@@ -181,7 +195,10 @@ int mdio_mux_init(struct device *dev,
}
dev_err(dev, "Error: No acceptable child buses found\n");
- devm_kfree(dev, pb);
+
+err_loop:
+ mdio_mux_uninit_children(pb);
+ of_node_put(child_bus_node);
err_pb_kz:
put_device(&parent_bus->dev);
err_parent_bus:
@@ -193,14 +210,8 @@ EXPORT_SYMBOL_GPL(mdio_mux_init);
void mdio_mux_uninit(void *mux_handle)
{
struct mdio_mux_parent_bus *pb = mux_handle;
- struct mdio_mux_child_bus *cb = pb->children;
- while (cb) {
- mdiobus_unregister(cb->mii_bus);
- mdiobus_free(cb->mii_bus);
- cb = cb->next;
- }
-
+ mdio_mux_uninit_children(pb);
put_device(&pb->mii_bus->dev);
}
EXPORT_SYMBOL_GPL(mdio_mux_uninit);
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index ac92bc5..38cda59 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -63,6 +63,29 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
value, index, data, size);
}
+static int asix_check_host_enable(struct usbnet *dev, int in_pm)
+{
+ int i, ret;
+ u8 smsr;
+
+ for (i = 0; i < 30; ++i) {
+ ret = asix_set_sw_mii(dev, in_pm);
+ if (ret == -ENODEV || ret == -ETIMEDOUT)
+ break;
+ usleep_range(1000, 1100);
+ ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG,
+ 0, 0, 1, &smsr, in_pm);
+ if (ret == -ENODEV)
+ break;
+ else if (ret < 0)
+ continue;
+ else if (smsr & AX_HOST_EN)
+ break;
+ }
+
+ return ret;
+}
+
static void reset_asix_rx_fixup_info(struct asix_rx_fixup_info *rx)
{
/* Reset the variables that have a lifetime outside of
@@ -467,19 +490,11 @@ int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(netdev);
__le16 res;
- u8 smsr;
- int i = 0;
int ret;
mutex_lock(&dev->phy_mutex);
- do {
- ret = asix_set_sw_mii(dev, 0);
- if (ret == -ENODEV || ret == -ETIMEDOUT)
- break;
- usleep_range(1000, 1100);
- ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG,
- 0, 0, 1, &smsr, 0);
- } while (!(smsr & AX_HOST_EN) && (i++ < 30) && (ret != -ENODEV));
+
+ ret = asix_check_host_enable(dev, 0);
if (ret == -ENODEV || ret == -ETIMEDOUT) {
mutex_unlock(&dev->phy_mutex);
return ret;
@@ -505,23 +520,14 @@ static int __asix_mdio_write(struct net_device *netdev, int phy_id, int loc,
{
struct usbnet *dev = netdev_priv(netdev);
__le16 res = cpu_to_le16(val);
- u8 smsr;
- int i = 0;
int ret;
netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
phy_id, loc, val);
mutex_lock(&dev->phy_mutex);
- do {
- ret = asix_set_sw_mii(dev, 0);
- if (ret == -ENODEV)
- break;
- usleep_range(1000, 1100);
- ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG,
- 0, 0, 1, &smsr, 0);
- } while (!(smsr & AX_HOST_EN) && (i++ < 30) && (ret != -ENODEV));
+ ret = asix_check_host_enable(dev, 0);
if (ret == -ENODEV)
goto out;
@@ -561,19 +567,11 @@ int asix_mdio_read_nopm(struct net_device *netdev, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(netdev);
__le16 res;
- u8 smsr;
- int i = 0;
int ret;
mutex_lock(&dev->phy_mutex);
- do {
- ret = asix_set_sw_mii(dev, 1);
- if (ret == -ENODEV || ret == -ETIMEDOUT)
- break;
- usleep_range(1000, 1100);
- ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG,
- 0, 0, 1, &smsr, 1);
- } while (!(smsr & AX_HOST_EN) && (i++ < 30) && (ret != -ENODEV));
+
+ ret = asix_check_host_enable(dev, 1);
if (ret == -ENODEV || ret == -ETIMEDOUT) {
mutex_unlock(&dev->phy_mutex);
return ret;
@@ -595,22 +593,14 @@ asix_mdio_write_nopm(struct net_device *netdev, int phy_id, int loc, int val)
{
struct usbnet *dev = netdev_priv(netdev);
__le16 res = cpu_to_le16(val);
- u8 smsr;
- int i = 0;
int ret;
netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
phy_id, loc, val);
mutex_lock(&dev->phy_mutex);
- do {
- ret = asix_set_sw_mii(dev, 1);
- if (ret == -ENODEV)
- break;
- usleep_range(1000, 1100);
- ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG,
- 0, 0, 1, &smsr, 1);
- } while (!(smsr & AX_HOST_EN) && (i++ < 30) && (ret != -ENODEV));
+
+ ret = asix_check_host_enable(dev, 1);
if (ret == -ENODEV) {
mutex_unlock(&dev->phy_mutex);
return;
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index d7fbc81..aa66671 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3955,17 +3955,28 @@ static void rtl_clear_bp(struct r8152 *tp, u16 type)
case RTL_VER_06:
ocp_write_byte(tp, type, PLA_BP_EN, 0);
break;
+ case RTL_VER_14:
+ ocp_write_word(tp, type, USB_BP2_EN, 0);
+
+ ocp_write_word(tp, type, USB_BP_8, 0);
+ ocp_write_word(tp, type, USB_BP_9, 0);
+ ocp_write_word(tp, type, USB_BP_10, 0);
+ ocp_write_word(tp, type, USB_BP_11, 0);
+ ocp_write_word(tp, type, USB_BP_12, 0);
+ ocp_write_word(tp, type, USB_BP_13, 0);
+ ocp_write_word(tp, type, USB_BP_14, 0);
+ ocp_write_word(tp, type, USB_BP_15, 0);
+ break;
case RTL_VER_08:
case RTL_VER_09:
case RTL_VER_10:
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_13:
- case RTL_VER_14:
case RTL_VER_15:
default:
if (type == MCU_TYPE_USB) {
- ocp_write_byte(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
+ ocp_write_word(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_8, 0);
ocp_write_word(tp, MCU_TYPE_USB, USB_BP_9, 0);
@@ -4331,7 +4342,6 @@ static bool rtl8152_is_fw_mac_ok(struct r8152 *tp, struct fw_mac *mac)
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_13:
- case RTL_VER_14:
case RTL_VER_15:
fw_reg = 0xf800;
bp_ba_addr = PLA_BP_BA;
@@ -4339,6 +4349,13 @@ static bool rtl8152_is_fw_mac_ok(struct r8152 *tp, struct fw_mac *mac)
bp_start = PLA_BP_0;
max_bp = 8;
break;
+ case RTL_VER_14:
+ fw_reg = 0xf800;
+ bp_ba_addr = PLA_BP_BA;
+ bp_en_addr = USB_BP2_EN;
+ bp_start = PLA_BP_0;
+ max_bp = 16;
+ break;
default:
goto out;
}
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2e42210..c8c9ad7 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -63,7 +63,7 @@ static const unsigned long guest_offloads[] = {
VIRTIO_NET_F_GUEST_CSUM
};
-#define GUEST_OFFLOAD_LRO_MASK ((1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
+#define GUEST_OFFLOAD_GRO_HW_MASK ((1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
(1ULL << VIRTIO_NET_F_GUEST_TSO6) | \
(1ULL << VIRTIO_NET_F_GUEST_ECN) | \
(1ULL << VIRTIO_NET_F_GUEST_UFO))
@@ -2504,7 +2504,7 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog,
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) ||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_UFO) ||
virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_CSUM))) {
- NL_SET_ERR_MSG_MOD(extack, "Can't set XDP while host is implementing LRO/CSUM, disable LRO/CSUM first");
+ NL_SET_ERR_MSG_MOD(extack, "Can't set XDP while host is implementing GRO_HW/CSUM, disable GRO_HW/CSUM first");
return -EOPNOTSUPP;
}
@@ -2635,15 +2635,15 @@ static int virtnet_set_features(struct net_device *dev,
u64 offloads;
int err;
- if ((dev->features ^ features) & NETIF_F_LRO) {
+ if ((dev->features ^ features) & NETIF_F_GRO_HW) {
if (vi->xdp_enabled)
return -EBUSY;
- if (features & NETIF_F_LRO)
+ if (features & NETIF_F_GRO_HW)
offloads = vi->guest_offloads_capable;
else
offloads = vi->guest_offloads_capable &
- ~GUEST_OFFLOAD_LRO_MASK;
+ ~GUEST_OFFLOAD_GRO_HW_MASK;
err = virtnet_set_guest_offloads(vi, offloads);
if (err)
@@ -3123,9 +3123,9 @@ static int virtnet_probe(struct virtio_device *vdev)
dev->features |= NETIF_F_RXCSUM;
if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6))
- dev->features |= NETIF_F_LRO;
+ dev->features |= NETIF_F_GRO_HW;
if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS))
- dev->hw_features |= NETIF_F_LRO;
+ dev->hw_features |= NETIF_F_GRO_HW;
dev->vlan_features = dev->features;
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 662e261..bf2fac9 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1360,6 +1360,8 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev,
bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
bool is_ndisc = ipv6_ndisc_frame(skb);
+ nf_reset_ct(skb);
+
/* loopback, multicast & non-ND link-local traffic; do not push through
* packet taps again. Reset pkt_type for upper layers to process skb.
* For strict packets with a source LLA, determine the dst using the
@@ -1422,6 +1424,8 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev,
skb->skb_iif = vrf_dev->ifindex;
IPCB(skb)->flags |= IPSKB_L3SLAVE;
+ nf_reset_ct(skb);
+
if (ipv4_is_multicast(ip_hdr(skb)->daddr))
goto out;
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
index 2403490..b4b1f75 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
@@ -37,6 +37,7 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data,
u32 sha1 = 0;
u16 mac_type = 0, rf_id = 0;
u8 *pnvm_data = NULL, *tmp;
+ bool hw_match = false;
u32 size = 0;
int ret;
@@ -83,6 +84,9 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data,
break;
}
+ if (hw_match)
+ break;
+
mac_type = le16_to_cpup((__le16 *)data);
rf_id = le16_to_cpup((__le16 *)(data + sizeof(__le16)));
@@ -90,15 +94,9 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data,
"Got IWL_UCODE_TLV_HW_TYPE mac_type 0x%0x rf_id 0x%0x\n",
mac_type, rf_id);
- if (mac_type != CSR_HW_REV_TYPE(trans->hw_rev) ||
- rf_id != CSR_HW_RFID_TYPE(trans->hw_rf_id)) {
- IWL_DEBUG_FW(trans,
- "HW mismatch, skipping PNVM section, mac_type 0x%0x, rf_id 0x%0x.\n",
- CSR_HW_REV_TYPE(trans->hw_rev), trans->hw_rf_id);
- ret = -ENOENT;
- goto out;
- }
-
+ if (mac_type == CSR_HW_REV_TYPE(trans->hw_rev) &&
+ rf_id == CSR_HW_RFID_TYPE(trans->hw_rf_id))
+ hw_match = true;
break;
case IWL_UCODE_TLV_SEC_RT: {
struct iwl_pnvm_section *section = (void *)data;
@@ -149,6 +147,15 @@ static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data,
}
done:
+ if (!hw_match) {
+ IWL_DEBUG_FW(trans,
+ "HW mismatch, skipping PNVM section (need mac_type 0x%x rf_id 0x%x)\n",
+ CSR_HW_REV_TYPE(trans->hw_rev),
+ CSR_HW_RFID_TYPE(trans->hw_rf_id));
+ ret = -ENOENT;
+ goto out;
+ }
+
if (!size) {
IWL_DEBUG_FW(trans, "Empty PNVM, skipping.\n");
ret = -ENOENT;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 16baee3..0b8a0cd 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -1110,12 +1110,80 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_NO_CDB,
iwl_cfg_bz_a0_mr_a0, iwl_ax211_name),
+/* SoF with JF2 */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF2, IWL_CFG_RF_ID_JF,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9560_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF2, IWL_CFG_RF_ID_JF,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9560_name),
+
+/* SoF with JF */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9461_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1_DIV,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9462_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9461_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SOF, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1_DIV,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9462_name),
+
/* So with GF */
_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
IWL_CFG_RF_TYPE_GF, IWL_CFG_ANY,
IWL_CFG_160, IWL_CFG_ANY, IWL_CFG_NO_CDB,
- iwlax211_2ax_cfg_so_gf_a0, iwl_ax211_name)
+ iwlax211_2ax_cfg_so_gf_a0, iwl_ax211_name),
+
+/* So with JF2 */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF2, IWL_CFG_RF_ID_JF,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9560_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF2, IWL_CFG_RF_ID_JF,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9560_name),
+
+/* So with JF */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9461_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1_DIV,
+ IWL_CFG_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9462_160_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9461_name),
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_SO, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_JF1, IWL_CFG_RF_ID_JF1_DIV,
+ IWL_CFG_NO_160, IWL_CFG_CORES_BT, IWL_CFG_NO_CDB,
+ iwlax210_2ax_cfg_so_jf_b0, iwl9462_name)
#endif /* CONFIG_IWLMVM */
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 863aa18..4396077 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -111,7 +111,7 @@ mt7915_mcu_get_cipher(int cipher)
case WLAN_CIPHER_SUITE_SMS4:
return MCU_CIPHER_WAPI;
default:
- return MT_CIPHER_NONE;
+ return MCU_CIPHER_NONE;
}
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index edd3ba3..e68a562 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -1073,7 +1073,8 @@ enum {
};
enum mcu_cipher_type {
- MCU_CIPHER_WEP40 = 1,
+ MCU_CIPHER_NONE = 0,
+ MCU_CIPHER_WEP40,
MCU_CIPHER_WEP104,
MCU_CIPHER_WEP128,
MCU_CIPHER_TKIP,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index cd690c6..9fbaacc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -111,7 +111,7 @@ mt7921_mcu_get_cipher(int cipher)
case WLAN_CIPHER_SUITE_SMS4:
return MCU_CIPHER_WAPI;
default:
- return MT_CIPHER_NONE;
+ return MCU_CIPHER_NONE;
}
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
index d76cf8f..de3c091 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
@@ -199,7 +199,8 @@ struct sta_rec_sec {
} __packed;
enum mcu_cipher_type {
- MCU_CIPHER_WEP40 = 1,
+ MCU_CIPHER_NONE = 0,
+ MCU_CIPHER_WEP40,
MCU_CIPHER_WEP104,
MCU_CIPHER_WEP128,
MCU_CIPHER_TKIP,
diff --git a/drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.c b/drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.c
index 804e6c4f2..519361e 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_chnl_cfg.c
@@ -64,10 +64,9 @@ static struct ipc_chnl_cfg modem_cfg[] = {
int ipc_chnl_cfg_get(struct ipc_chnl_cfg *chnl_cfg, int index)
{
- int array_size = ARRAY_SIZE(modem_cfg);
-
- if (index >= array_size) {
- pr_err("index: %d and array_size %d", index, array_size);
+ if (index >= ARRAY_SIZE(modem_cfg)) {
+ pr_err("index: %d and array size %zu", index,
+ ARRAY_SIZE(modem_cfg));
return -ECHRNG;
}
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 2403b71..7454782 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -2527,7 +2527,7 @@ static void deactivate_labels(void *region)
static int init_active_labels(struct nd_region *nd_region)
{
- int i;
+ int i, rc = 0;
for (i = 0; i < nd_region->ndr_mappings; i++) {
struct nd_mapping *nd_mapping = &nd_region->mapping[i];
@@ -2546,13 +2546,14 @@ static int init_active_labels(struct nd_region *nd_region)
else if (test_bit(NDD_LABELING, &nvdimm->flags))
/* fail, labels needed to disambiguate dpa */;
else
- return 0;
+ continue;
dev_err(&nd_region->dev, "%s: is %s, failing probe\n",
dev_name(&nd_mapping->nvdimm->dev),
test_bit(NDD_LOCKED, &nvdimm->flags)
? "locked" : "disabled");
- return -ENXIO;
+ rc = -ENXIO;
+ goto out;
}
nd_mapping->ndd = ndd;
atomic_inc(&nvdimm->busy);
@@ -2586,13 +2587,17 @@ static int init_active_labels(struct nd_region *nd_region)
break;
}
- if (i < nd_region->ndr_mappings) {
+ if (i < nd_region->ndr_mappings)
+ rc = -ENOMEM;
+
+out:
+ if (rc) {
deactivate_labels(nd_region);
- return -ENOMEM;
+ return rc;
}
return devm_add_action_or_reset(&nd_region->dev, deactivate_labels,
- nd_region);
+ nd_region);
}
int nd_region_register_namespaces(struct nd_region *nd_region, int *err)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 9232255..e5e7533 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -143,24 +143,25 @@ static inline __attribute_const__ u32 msi_mask(unsigned x)
* reliably as devices without an INTx disable bit will then generate a
* level IRQ which will never be cleared.
*/
-u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
+void __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
- u32 mask_bits = desc->masked;
+ raw_spinlock_t *lock = &desc->dev->msi_lock;
+ unsigned long flags;
if (pci_msi_ignore_mask || !desc->msi_attrib.maskbit)
- return 0;
+ return;
- mask_bits &= ~mask;
- mask_bits |= flag;
+ raw_spin_lock_irqsave(lock, flags);
+ desc->masked &= ~mask;
+ desc->masked |= flag;
pci_write_config_dword(msi_desc_to_pci_dev(desc), desc->mask_pos,
- mask_bits);
-
- return mask_bits;
+ desc->masked);
+ raw_spin_unlock_irqrestore(lock, flags);
}
static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
- desc->masked = __pci_msi_desc_mask_irq(desc, mask, flag);
+ __pci_msi_desc_mask_irq(desc, mask, flag);
}
static void __iomem *pci_msix_desc_addr(struct msi_desc *desc)
@@ -289,13 +290,31 @@ void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
/* Don't touch the hardware now */
} else if (entry->msi_attrib.is_msix) {
void __iomem *base = pci_msix_desc_addr(entry);
+ bool unmasked = !(entry->masked & PCI_MSIX_ENTRY_CTRL_MASKBIT);
if (!base)
goto skip;
+ /*
+ * The specification mandates that the entry is masked
+ * when the message is modified:
+ *
+ * "If software changes the Address or Data value of an
+ * entry while the entry is unmasked, the result is
+ * undefined."
+ */
+ if (unmasked)
+ __pci_msix_desc_mask_irq(entry, PCI_MSIX_ENTRY_CTRL_MASKBIT);
+
writel(msg->address_lo, base + PCI_MSIX_ENTRY_LOWER_ADDR);
writel(msg->address_hi, base + PCI_MSIX_ENTRY_UPPER_ADDR);
writel(msg->data, base + PCI_MSIX_ENTRY_DATA);
+
+ if (unmasked)
+ __pci_msix_desc_mask_irq(entry, 0);
+
+ /* Ensure that the writes are visible in the device */
+ readl(base + PCI_MSIX_ENTRY_DATA);
} else {
int pos = dev->msi_cap;
u16 msgctl;
@@ -316,6 +335,8 @@ void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
pci_write_config_word(dev, pos + PCI_MSI_DATA_32,
msg->data);
}
+ /* Ensure that the writes are visible in the device */
+ pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl);
}
skip:
@@ -636,21 +657,21 @@ static int msi_capability_init(struct pci_dev *dev, int nvec,
/* Configure MSI capability structure */
ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSI);
if (ret) {
- msi_mask_irq(entry, mask, ~mask);
+ msi_mask_irq(entry, mask, 0);
free_msi_irqs(dev);
return ret;
}
ret = msi_verify_entries(dev);
if (ret) {
- msi_mask_irq(entry, mask, ~mask);
+ msi_mask_irq(entry, mask, 0);
free_msi_irqs(dev);
return ret;
}
ret = populate_msi_sysfs(dev);
if (ret) {
- msi_mask_irq(entry, mask, ~mask);
+ msi_mask_irq(entry, mask, 0);
free_msi_irqs(dev);
return ret;
}
@@ -691,6 +712,7 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
{
struct irq_affinity_desc *curmsk, *masks = NULL;
struct msi_desc *entry;
+ void __iomem *addr;
int ret, i;
int vec_count = pci_msix_vec_count(dev);
@@ -711,6 +733,7 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
entry->msi_attrib.is_msix = 1;
entry->msi_attrib.is_64 = 1;
+
if (entries)
entry->msi_attrib.entry_nr = entries[i].entry;
else
@@ -722,6 +745,10 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
entry->msi_attrib.default_irq = dev->irq;
entry->mask_base = base;
+ addr = pci_msix_desc_addr(entry);
+ if (addr)
+ entry->masked = readl(addr + PCI_MSIX_ENTRY_VECTOR_CTRL);
+
list_add_tail(&entry->list, dev_to_msi_list(&dev->dev));
if (masks)
curmsk++;
@@ -732,28 +759,27 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
return ret;
}
-static void msix_program_entries(struct pci_dev *dev,
- struct msix_entry *entries)
+static void msix_update_entries(struct pci_dev *dev, struct msix_entry *entries)
{
struct msi_desc *entry;
- int i = 0;
- void __iomem *desc_addr;
for_each_pci_msi_entry(entry, dev) {
- if (entries)
- entries[i++].vector = entry->irq;
-
- desc_addr = pci_msix_desc_addr(entry);
- if (desc_addr)
- entry->masked = readl(desc_addr +
- PCI_MSIX_ENTRY_VECTOR_CTRL);
- else
- entry->masked = 0;
-
- msix_mask_irq(entry, 1);
+ if (entries) {
+ entries->vector = entry->irq;
+ entries++;
+ }
}
}
+static void msix_mask_all(void __iomem *base, int tsize)
+{
+ u32 ctrl = PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ int i;
+
+ for (i = 0; i < tsize; i++, base += PCI_MSIX_ENTRY_SIZE)
+ writel(ctrl, base + PCI_MSIX_ENTRY_VECTOR_CTRL);
+}
+
/**
* msix_capability_init - configure device's MSI-X capability
* @dev: pointer to the pci_dev data structure of MSI-X device function
@@ -768,22 +794,33 @@ static void msix_program_entries(struct pci_dev *dev,
static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
int nvec, struct irq_affinity *affd)
{
- int ret;
- u16 control;
void __iomem *base;
+ int ret, tsize;
+ u16 control;
- /* Ensure MSI-X is disabled while it is set up */
- pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0);
+ /*
+ * Some devices require MSI-X to be enabled before the MSI-X
+ * registers can be accessed. Mask all the vectors to prevent
+ * interrupts coming in before they're fully set up.
+ */
+ pci_msix_clear_and_set_ctrl(dev, 0, PCI_MSIX_FLAGS_MASKALL |
+ PCI_MSIX_FLAGS_ENABLE);
pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control);
/* Request & Map MSI-X table region */
- base = msix_map_region(dev, msix_table_size(control));
- if (!base)
- return -ENOMEM;
+ tsize = msix_table_size(control);
+ base = msix_map_region(dev, tsize);
+ if (!base) {
+ ret = -ENOMEM;
+ goto out_disable;
+ }
+
+ /* Ensure that all table entries are masked. */
+ msix_mask_all(base, tsize);
ret = msix_setup_entries(dev, base, entries, nvec, affd);
if (ret)
- return ret;
+ goto out_disable;
ret = pci_msi_setup_msi_irqs(dev, nvec, PCI_CAP_ID_MSIX);
if (ret)
@@ -794,15 +831,7 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
if (ret)
goto out_free;
- /*
- * Some devices require MSI-X to be enabled before we can touch the
- * MSI-X registers. We need to mask all the vectors to prevent
- * interrupts coming in before they're fully set up.
- */
- pci_msix_clear_and_set_ctrl(dev, 0,
- PCI_MSIX_FLAGS_MASKALL | PCI_MSIX_FLAGS_ENABLE);
-
- msix_program_entries(dev, entries);
+ msix_update_entries(dev, entries);
ret = populate_msi_sysfs(dev);
if (ret)
@@ -836,6 +865,9 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
out_free:
free_msi_irqs(dev);
+out_disable:
+ pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0);
+
return ret;
}
@@ -930,8 +962,7 @@ static void pci_msi_shutdown(struct pci_dev *dev)
/* Return the device with MSI unmasked as initial states */
mask = msi_mask(desc->msi_attrib.multi_cap);
- /* Keep cached state to be restored */
- __pci_msi_desc_mask_irq(desc, mask, ~mask);
+ msi_mask_irq(desc, mask, 0);
/* Restore dev->irq to its default pin-assertion IRQ */
dev->irq = desc->msi_attrib.default_irq;
@@ -1016,10 +1047,8 @@ static void pci_msix_shutdown(struct pci_dev *dev)
}
/* Return the device with MSI-X masked as initial states */
- for_each_pci_msi_entry(entry, dev) {
- /* Keep cached states to be restored */
+ for_each_pci_msi_entry(entry, dev)
__pci_msix_desc_mask_irq(entry, 1);
- }
pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0);
pci_intx_for_msi(dev, 1);
diff --git a/drivers/pinctrl/intel/pinctrl-tigerlake.c b/drivers/pinctrl/intel/pinctrl-tigerlake.c
index 3e4ef2b..0bcd195 100644
--- a/drivers/pinctrl/intel/pinctrl-tigerlake.c
+++ b/drivers/pinctrl/intel/pinctrl-tigerlake.c
@@ -701,32 +701,32 @@ static const struct pinctrl_pin_desc tglh_pins[] = {
static const struct intel_padgroup tglh_community0_gpps[] = {
TGL_GPP(0, 0, 24, 0), /* GPP_A */
- TGL_GPP(1, 25, 44, 128), /* GPP_R */
- TGL_GPP(2, 45, 70, 32), /* GPP_B */
- TGL_GPP(3, 71, 78, INTEL_GPIO_BASE_NOMAP), /* vGPIO_0 */
+ TGL_GPP(1, 25, 44, 32), /* GPP_R */
+ TGL_GPP(2, 45, 70, 64), /* GPP_B */
+ TGL_GPP(3, 71, 78, 96), /* vGPIO_0 */
};
static const struct intel_padgroup tglh_community1_gpps[] = {
- TGL_GPP(0, 79, 104, 96), /* GPP_D */
- TGL_GPP(1, 105, 128, 64), /* GPP_C */
- TGL_GPP(2, 129, 136, 160), /* GPP_S */
- TGL_GPP(3, 137, 153, 192), /* GPP_G */
- TGL_GPP(4, 154, 180, 224), /* vGPIO */
+ TGL_GPP(0, 79, 104, 128), /* GPP_D */
+ TGL_GPP(1, 105, 128, 160), /* GPP_C */
+ TGL_GPP(2, 129, 136, 192), /* GPP_S */
+ TGL_GPP(3, 137, 153, 224), /* GPP_G */
+ TGL_GPP(4, 154, 180, 256), /* vGPIO */
};
static const struct intel_padgroup tglh_community3_gpps[] = {
- TGL_GPP(0, 181, 193, 256), /* GPP_E */
- TGL_GPP(1, 194, 217, 288), /* GPP_F */
+ TGL_GPP(0, 181, 193, 288), /* GPP_E */
+ TGL_GPP(1, 194, 217, 320), /* GPP_F */
};
static const struct intel_padgroup tglh_community4_gpps[] = {
- TGL_GPP(0, 218, 241, 320), /* GPP_H */
+ TGL_GPP(0, 218, 241, 352), /* GPP_H */
TGL_GPP(1, 242, 251, 384), /* GPP_J */
- TGL_GPP(2, 252, 266, 352), /* GPP_K */
+ TGL_GPP(2, 252, 266, 416), /* GPP_K */
};
static const struct intel_padgroup tglh_community5_gpps[] = {
- TGL_GPP(0, 267, 281, 416), /* GPP_I */
+ TGL_GPP(0, 267, 281, 448), /* GPP_I */
TGL_GPP(1, 282, 290, INTEL_GPIO_BASE_NOMAP), /* JTAG */
};
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 5b3b048..45ebdeb 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -925,12 +925,10 @@ int mtk_pinconf_adv_pull_set(struct mtk_pinctrl *hw,
err = hw->soc->bias_set(hw, desc, pullup);
if (err)
return err;
- } else if (hw->soc->bias_set_combo) {
- err = hw->soc->bias_set_combo(hw, desc, pullup, arg);
- if (err)
- return err;
} else {
- return -ENOTSUPP;
+ err = mtk_pinconf_bias_set_rev1(hw, desc, pullup);
+ if (err)
+ err = mtk_pinconf_bias_set(hw, desc, pullup);
}
}
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index a76be6c..5b76474 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -444,8 +444,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
unsigned long flags;
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
- u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3) |
- BIT(WAKE_CNTRL_OFF_S4);
+ u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3);
raw_spin_lock_irqsave(&gpio_dev->lock, flags);
pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c
index f831526..49e3268 100644
--- a/drivers/pinctrl/pinctrl-k210.c
+++ b/drivers/pinctrl/pinctrl-k210.c
@@ -950,23 +950,37 @@ static int k210_fpioa_probe(struct platform_device *pdev)
return ret;
pdata->pclk = devm_clk_get_optional(dev, "pclk");
- if (!IS_ERR(pdata->pclk))
- clk_prepare_enable(pdata->pclk);
+ if (!IS_ERR(pdata->pclk)) {
+ ret = clk_prepare_enable(pdata->pclk);
+ if (ret)
+ goto disable_clk;
+ }
pdata->sysctl_map =
syscon_regmap_lookup_by_phandle_args(np,
"canaan,k210-sysctl-power",
1, &pdata->power_offset);
- if (IS_ERR(pdata->sysctl_map))
- return PTR_ERR(pdata->sysctl_map);
+ if (IS_ERR(pdata->sysctl_map)) {
+ ret = PTR_ERR(pdata->sysctl_map);
+ goto disable_pclk;
+ }
k210_fpioa_init_ties(pdata);
pdata->pctl = pinctrl_register(&k210_pinctrl_desc, dev, (void *)pdata);
- if (IS_ERR(pdata->pctl))
- return PTR_ERR(pdata->pctl);
+ if (IS_ERR(pdata->pctl)) {
+ ret = PTR_ERR(pdata->pctl);
+ goto disable_pclk;
+ }
return 0;
+
+disable_pclk:
+ clk_disable_unprepare(pdata->pclk);
+disable_clk:
+ clk_disable_unprepare(pdata->clk);
+
+ return ret;
}
static const struct of_device_id k210_fpioa_dt_ids[] = {
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 2f51b4f..cad4e60 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -13,7 +13,7 @@
config PINCTRL_APQ8064
tristate "Qualcomm APQ8064 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -21,7 +21,7 @@
config PINCTRL_APQ8084
tristate "Qualcomm APQ8084 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -29,7 +29,7 @@
config PINCTRL_IPQ4019
tristate "Qualcomm IPQ4019 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -37,7 +37,7 @@
config PINCTRL_IPQ8064
tristate "Qualcomm IPQ8064 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -45,7 +45,7 @@
config PINCTRL_IPQ8074
tristate "Qualcomm Technologies, Inc. IPQ8074 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -55,7 +55,7 @@
config PINCTRL_IPQ6018
tristate "Qualcomm Technologies, Inc. IPQ6018 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -65,7 +65,7 @@
config PINCTRL_MSM8226
tristate "Qualcomm 8226 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -74,7 +74,7 @@
config PINCTRL_MSM8660
tristate "Qualcomm 8660 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -82,7 +82,7 @@
config PINCTRL_MSM8960
tristate "Qualcomm 8960 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -90,7 +90,7 @@
config PINCTRL_MDM9615
tristate "Qualcomm 9615 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -98,7 +98,7 @@
config PINCTRL_MSM8X74
tristate "Qualcomm 8x74 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -106,7 +106,7 @@
config PINCTRL_MSM8916
tristate "Qualcomm 8916 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -114,7 +114,7 @@
config PINCTRL_MSM8953
tristate "Qualcomm 8953 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -124,7 +124,7 @@
config PINCTRL_MSM8976
tristate "Qualcomm 8976 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -134,7 +134,7 @@
config PINCTRL_MSM8994
tristate "Qualcomm 8994 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -143,7 +143,7 @@
config PINCTRL_MSM8996
tristate "Qualcomm MSM8996 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -151,7 +151,7 @@
config PINCTRL_MSM8998
tristate "Qualcomm MSM8998 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -159,7 +159,7 @@
config PINCTRL_QCS404
tristate "Qualcomm QCS404 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -167,7 +167,7 @@
config PINCTRL_QDF2XXX
tristate "Qualcomm Technologies QDF2xxx pin controller driver"
- depends on GPIOLIB && ACPI
+ depends on ACPI
depends on PINCTRL_MSM
help
This is the GPIO driver for the TLMM block found on the
@@ -175,7 +175,7 @@
config PINCTRL_QCOM_SPMI_PMIC
tristate "Qualcomm SPMI PMIC pin controller driver"
- depends on GPIOLIB && OF && SPMI
+ depends on OF && SPMI
select REGMAP_SPMI
select PINMUX
select PINCONF
@@ -190,7 +190,7 @@
config PINCTRL_QCOM_SSBI_PMIC
tristate "Qualcomm SSBI PMIC pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
select PINMUX
select PINCONF
select GENERIC_PINCONF
@@ -204,7 +204,7 @@
config PINCTRL_SC7180
tristate "Qualcomm Technologies Inc SC7180 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -213,7 +213,7 @@
config PINCTRL_SC7280
tristate "Qualcomm Technologies Inc SC7280 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -222,7 +222,7 @@
config PINCTRL_SC8180X
tristate "Qualcomm Technologies Inc SC8180x pin controller driver"
- depends on GPIOLIB && (OF || ACPI)
+ depends on (OF || ACPI)
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -231,7 +231,7 @@
config PINCTRL_SDM660
tristate "Qualcomm Technologies Inc SDM660 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -240,7 +240,7 @@
config PINCTRL_SDM845
tristate "Qualcomm Technologies Inc SDM845 pin controller driver"
- depends on GPIOLIB && (OF || ACPI)
+ depends on (OF || ACPI)
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -249,7 +249,7 @@
config PINCTRL_SDX55
tristate "Qualcomm Technologies Inc SDX55 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -258,7 +258,7 @@
config PINCTRL_SM6125
tristate "Qualcomm Technologies Inc SM6125 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -267,7 +267,7 @@
config PINCTRL_SM8150
tristate "Qualcomm Technologies Inc SM8150 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -276,7 +276,7 @@
config PINCTRL_SM8250
tristate "Qualcomm Technologies Inc SM8250 pin controller driver"
- depends on GPIOLIB && OF
+ depends on OF
depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -285,8 +285,7 @@
config PINCTRL_SM8350
tristate "Qualcomm Technologies Inc SM8350 pin controller driver"
- depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index dc8d39a..9c7679c 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -1219,10 +1219,12 @@ static int sunxi_pinctrl_build_state(struct platform_device *pdev)
}
/*
- * We suppose that we won't have any more functions than pins,
- * we'll reallocate that later anyway
+ * Find an upper bound for the maximum number of functions: in
+ * the worst case we have gpio_in, gpio_out, irq and up to four
+ * special functions per pin, plus one entry for the sentinel.
+ * We'll reallocate that later anyway.
*/
- pctl->functions = kcalloc(pctl->ngroups,
+ pctl->functions = kcalloc(4 * pctl->ngroups + 4,
sizeof(*pctl->functions),
GFP_KERNEL);
if (!pctl->functions)
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 0cb927f..a81dc4b 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -41,6 +41,10 @@ static int wapf = -1;
module_param(wapf, uint, 0444);
MODULE_PARM_DESC(wapf, "WAPF value");
+static int tablet_mode_sw = -1;
+module_param(tablet_mode_sw, uint, 0444);
+MODULE_PARM_DESC(tablet_mode_sw, "Tablet mode detect: -1:auto 0:disable 1:kbd-dock 2:lid-flip");
+
static struct quirk_entry *quirks;
static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
@@ -458,6 +462,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
.driver_data = &quirk_asus_use_lid_flip_devid,
},
+ {
+ .callback = dmi_matched,
+ .ident = "ASUS TP200s / E205SA",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "E205SA"),
+ },
+ .driver_data = &quirk_asus_use_lid_flip_devid,
+ },
{},
};
@@ -477,6 +490,21 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
else
wapf = quirks->wapf;
+ switch (tablet_mode_sw) {
+ case 0:
+ quirks->use_kbd_dock_devid = false;
+ quirks->use_lid_flip_devid = false;
+ break;
+ case 1:
+ quirks->use_kbd_dock_devid = true;
+ quirks->use_lid_flip_devid = false;
+ break;
+ case 2:
+ quirks->use_kbd_dock_devid = false;
+ quirks->use_lid_flip_devid = true;
+ break;
+ }
+
if (quirks->i8042_filter) {
ret = i8042_install_filter(quirks->i8042_filter);
if (ret) {
diff --git a/drivers/platform/x86/gigabyte-wmi.c b/drivers/platform/x86/gigabyte-wmi.c
index fbb224a..7f3a03f 100644
--- a/drivers/platform/x86/gigabyte-wmi.c
+++ b/drivers/platform/x86/gigabyte-wmi.c
@@ -140,6 +140,7 @@ static u8 gigabyte_wmi_detect_sensor_usability(struct wmi_device *wdev)
}}
static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = {
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B450M S2H V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE V2"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 GAMING X V2"),
@@ -147,6 +148,7 @@ static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = {
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M DS3H"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("Z390 I AORUS PRO WIFI-CF"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 AORUS ELITE"),
+ DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 GAMING X"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 I AORUS PRO WIFI"),
DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("X570 UD"),
{ }
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 8ad88c3..32660dc 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -103,7 +103,8 @@
config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on X86_32 || COMPILE_TEST
- depends on HAS_IOMEM && NET
+ depends on HAS_IOMEM && PCI
+ depends on NET
depends on PTP_1588_CLOCK
help
This driver adds support for using the PCH EG20T as a PTP
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 5983e05..e29523a 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -13193,6 +13193,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
if (!phba)
return -ENOMEM;
+ INIT_LIST_HEAD(&phba->poll_list);
+
/* Perform generic PCI device enabling operation */
error = lpfc_enable_pci_dev(phba);
if (error)
@@ -13327,7 +13329,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Enable RAS FW log support */
lpfc_sli4_ras_setup(phba);
- INIT_LIST_HEAD(&phba->poll_list);
timer_setup(&phba->cpuhp_poll_timer, lpfc_sli4_poll_hbtimer, 0);
cpuhp_state_add_instance_nocalls(lpfc_cpuhp_state, &phba->cpuhp);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 19b1c0c..cf4a3a2 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -7851,7 +7851,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
return r;
}
- rc = _base_static_config_pages(ioc);
+ r = _base_static_config_pages(ioc);
if (r)
return r;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 328bb96..37506b3 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1199,14 +1199,24 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
vstor_packet->vm_srb.sense_info_length);
if (vstor_packet->vm_srb.scsi_status != 0 ||
- vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS)
- storvsc_log(device, STORVSC_LOGGING_ERROR,
+ vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS) {
+
+ /*
+ * Log TEST_UNIT_READY errors only as warnings. Hyper-V can
+ * return errors when detecting devices using TEST_UNIT_READY,
+ * and logging these as errors produces unhelpful noise.
+ */
+ int loglevel = (stor_pkt->vm_srb.cdb[0] == TEST_UNIT_READY) ?
+ STORVSC_LOGGING_WARN : STORVSC_LOGGING_ERROR;
+
+ storvsc_log(device, loglevel,
"tag#%d cmd 0x%x status: scsi 0x%x srb 0x%x hv 0x%x\n",
request->cmd->request->tag,
stor_pkt->vm_srb.cdb[0],
vstor_packet->vm_srb.scsi_status,
vstor_packet->vm_srb.srb_status,
vstor_packet->status);
+ }
if (vstor_packet->vm_srb.scsi_status == SAM_STAT_CHECK_CONDITION &&
(vstor_packet->vm_srb.srb_status & SRB_STATUS_AUTOSENSE_VALID))
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index b8d4b2d..84fe57e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1741,13 +1741,9 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
{
struct dwc3_request *req;
struct dwc3_request *tmp;
- struct list_head local;
struct dwc3 *dwc = dep->dwc;
-restart:
- list_replace_init(&dep->cancelled_list, &local);
-
- list_for_each_entry_safe(req, tmp, &local, list) {
+ list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) {
dwc3_gadget_ep_skip_trbs(dep, req);
switch (req->status) {
case DWC3_REQUEST_STATUS_DISCONNECTED:
@@ -1765,9 +1761,6 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
break;
}
}
-
- if (!list_empty(&dep->cancelled_list))
- goto restart;
}
static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
@@ -2976,12 +2969,8 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
{
struct dwc3_request *req;
struct dwc3_request *tmp;
- struct list_head local;
-restart:
- list_replace_init(&dep->started_list, &local);
-
- list_for_each_entry_safe(req, tmp, &local, list) {
+ list_for_each_entry_safe(req, tmp, &dep->started_list, list) {
int ret;
ret = dwc3_gadget_ep_cleanup_completed_request(dep, event,
@@ -2989,9 +2978,6 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
if (ret)
break;
}
-
- if (!list_empty(&dep->started_list))
- goto restart;
}
static bool dwc3_gadget_ep_should_continue(struct dwc3_ep *dep)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 21b78f1..351c6cf 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -493,9 +493,9 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa,
dev, &ifc_vdpa_ops, NULL);
- if (adapter == NULL) {
+ if (IS_ERR(adapter)) {
IFCVF_ERR(pdev, "Failed to allocate vDPA structure");
- return -ENOMEM;
+ return PTR_ERR(adapter);
}
pci_set_master(pdev);
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index dcee603..e59135f 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -512,11 +512,6 @@ void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev)
mutex_unlock(&mr->mkey_mtx);
}
-static bool map_empty(struct vhost_iotlb *iotlb)
-{
- return !vhost_iotlb_itree_first(iotlb, 0, U64_MAX);
-}
-
int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
bool *change_map)
{
@@ -524,10 +519,6 @@ int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io
int err = 0;
*change_map = false;
- if (map_empty(iotlb)) {
- mlx5_vdpa_destroy_mr(mvdev);
- return 0;
- }
mutex_lock(&mr->mkey_mtx);
if (mr->initialized) {
mlx5_vdpa_info(mvdev, "memory map update\n");
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index b94d3c7..5906cad 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -752,12 +752,12 @@ static int get_queue_type(struct mlx5_vdpa_net *ndev)
type_mask = MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, virtio_queue_type);
/* prefer split queue */
- if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED)
- return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED;
+ if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)
+ return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT;
- WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT));
+ WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED));
- return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT;
+ return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED;
}
static bool vq_is_tx(u16 idx)
@@ -2029,6 +2029,12 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name)
return -ENOSPC;
mdev = mgtdev->madev->mdev;
+ if (!(MLX5_CAP_DEV_VDPA_EMULATION(mdev, virtio_queue_type) &
+ MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)) {
+ dev_warn(mdev->device, "missing support for split virtqueues\n");
+ return -EOPNOTSUPP;
+ }
+
/* we save one virtqueue for control virtqueue should we require it */
max_vqs = MLX5_CAP_DEV_VDPA_EMULATION(mdev, max_num_virtio_queues);
max_vqs = min_t(u32, max_vqs, MLX5_MAX_SUPPORTED_VQS);
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 14e024d..c621cf7 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -251,8 +251,10 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr)
vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops,
dev_attr->name);
- if (!vdpasim)
+ if (IS_ERR(vdpasim)) {
+ ret = PTR_ERR(vdpasim);
goto err_alloc;
+ }
vdpasim->dev_attr = *dev_attr;
INIT_WORK(&vdpasim->work, dev_attr->work_fn);
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
index 7b4a639..fe05273 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -436,9 +436,9 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
vp_vdpa = vdpa_alloc_device(struct vp_vdpa, vdpa,
dev, &vp_vdpa_ops, NULL);
- if (vp_vdpa == NULL) {
+ if (IS_ERR(vp_vdpa)) {
dev_err(dev, "vp_vdpa: Failed to allocate vDPA structure\n");
- return -ENOMEM;
+ return PTR_ERR(vp_vdpa);
}
mdev = &vp_vdpa->mdev;
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 210ab35..9479f7f 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -614,7 +614,8 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v,
long pinned;
int ret = 0;
- if (msg->iova < v->range.first ||
+ if (msg->iova < v->range.first || !msg->size ||
+ msg->iova > U64_MAX - msg->size + 1 ||
msg->iova + msg->size - 1 > v->range.last)
return -EINVAL;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index b9e853e..59edb5a 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -735,10 +735,16 @@ static bool log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
(sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);
}
+/* Make sure 64 bit math will not overflow. */
static bool vhost_overflow(u64 uaddr, u64 size)
{
- /* Make sure 64 bit math will not overflow. */
- return uaddr > ULONG_MAX || size > ULONG_MAX || uaddr > ULONG_MAX - size;
+ if (uaddr > ULONG_MAX || size > ULONG_MAX)
+ return true;
+
+ if (!size)
+ return false;
+
+ return uaddr > ULONG_MAX - size + 1;
}
/* Caller should have vq mutex and device mutex. */
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index 4af8fa2..14e2043 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -359,7 +359,7 @@ __vringh_iov(struct vringh *vrh, u16 i,
iov = wiov;
else {
iov = riov;
- if (unlikely(wiov && wiov->i)) {
+ if (unlikely(wiov && wiov->used)) {
vringh_bad("Readable desc %p after writable",
&descs[i]);
err = -EINVAL;
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 4b15c00..49984d2 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -355,6 +355,7 @@ int register_virtio_device(struct virtio_device *dev)
virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
INIT_LIST_HEAD(&dev->vqs);
+ spin_lock_init(&dev->vqs_list_lock);
/*
* device_add() causes the bus infrastructure to look for a matching
diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index 222d630..b35bb2d 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -576,6 +576,13 @@ static void virtio_pci_remove(struct pci_dev *pci_dev)
struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
struct device *dev = get_device(&vp_dev->vdev.dev);
+ /*
+ * Device is marked broken on surprise removal so that virtio upper
+ * layers can abort any ongoing operation.
+ */
+ if (!pci_device_is_present(pci_dev))
+ virtio_break_device(&vp_dev->vdev);
+
pci_disable_sriov(pci_dev);
unregister_virtio_device(&vp_dev->vdev);
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 89bfe46..dd95dfd 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/hrtimer.h>
#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
#include <xen/xen.h>
#ifdef DEBUG
@@ -1755,7 +1756,9 @@ static struct virtqueue *vring_create_virtqueue_packed(
cpu_to_le16(vq->packed.event_flags_shadow);
}
+ spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
+ spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
err_desc_extra:
@@ -2229,7 +2232,9 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index,
memset(vq->split.desc_state, 0, vring.num *
sizeof(struct vring_desc_state_split));
+ spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
+ spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
err_extra:
@@ -2291,6 +2296,10 @@ void vring_del_virtqueue(struct virtqueue *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);
+ spin_lock(&vq->vq.vdev->vqs_list_lock);
+ list_del(&_vq->list);
+ spin_unlock(&vq->vq.vdev->vqs_list_lock);
+
if (vq->we_own_ring) {
if (vq->packed_ring) {
vring_free_queue(vq->vq.vdev,
@@ -2321,7 +2330,6 @@ void vring_del_virtqueue(struct virtqueue *_vq)
kfree(vq->split.desc_state);
kfree(vq->split.desc_extra);
}
- list_del(&_vq->list);
kfree(vq);
}
EXPORT_SYMBOL_GPL(vring_del_virtqueue);
@@ -2373,7 +2381,7 @@ bool virtqueue_is_broken(struct virtqueue *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);
- return vq->broken;
+ return READ_ONCE(vq->broken);
}
EXPORT_SYMBOL_GPL(virtqueue_is_broken);
@@ -2385,10 +2393,14 @@ void virtio_break_device(struct virtio_device *dev)
{
struct virtqueue *_vq;
+ spin_lock(&dev->vqs_list_lock);
list_for_each_entry(_vq, &dev->vqs, list) {
struct vring_virtqueue *vq = to_vvq(_vq);
- vq->broken = true;
+
+ /* Pairs with READ_ONCE() in virtqueue_is_broken(). */
+ WRITE_ONCE(vq->broken, true);
}
+ spin_unlock(&dev->vqs_list_lock);
}
EXPORT_SYMBOL_GPL(virtio_break_device);
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index e1a1411..72eaef2 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -151,6 +151,9 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index,
if (!name)
return NULL;
+ if (index >= vdpa->nvqs)
+ return ERR_PTR(-ENOENT);
+
/* Queue shouldn't already be set up. */
if (ops->get_vq_ready(vdpa, index))
return ERR_PTR(-ENOENT);
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index d7e361f..a78704a 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -198,12 +198,12 @@ static void disable_dynirq(struct irq_data *data);
static DEFINE_PER_CPU(unsigned int, irq_epoch);
-static void clear_evtchn_to_irq_row(unsigned row)
+static void clear_evtchn_to_irq_row(int *evtchn_row)
{
unsigned col;
for (col = 0; col < EVTCHN_PER_ROW; col++)
- WRITE_ONCE(evtchn_to_irq[row][col], -1);
+ WRITE_ONCE(evtchn_row[col], -1);
}
static void clear_evtchn_to_irq_all(void)
@@ -213,7 +213,7 @@ static void clear_evtchn_to_irq_all(void)
for (row = 0; row < EVTCHN_ROW(xen_evtchn_max_channels()); row++) {
if (evtchn_to_irq[row] == NULL)
continue;
- clear_evtchn_to_irq_row(row);
+ clear_evtchn_to_irq_row(evtchn_to_irq[row]);
}
}
@@ -221,6 +221,7 @@ static int set_evtchn_to_irq(evtchn_port_t evtchn, unsigned int irq)
{
unsigned row;
unsigned col;
+ int *evtchn_row;
if (evtchn >= xen_evtchn_max_channels())
return -EINVAL;
@@ -233,11 +234,18 @@ static int set_evtchn_to_irq(evtchn_port_t evtchn, unsigned int irq)
if (irq == -1)
return 0;
- evtchn_to_irq[row] = (int *)get_zeroed_page(GFP_KERNEL);
- if (evtchn_to_irq[row] == NULL)
+ evtchn_row = (int *) __get_free_pages(GFP_KERNEL, 0);
+ if (evtchn_row == NULL)
return -ENOMEM;
- clear_evtchn_to_irq_row(row);
+ clear_evtchn_to_irq_row(evtchn_row);
+
+ /*
+ * We've prepared an empty row for the mapping. If a different
+ * thread was faster inserting it, we can drop ours.
+ */
+ if (cmpxchg(&evtchn_to_irq[row], NULL, evtchn_row) != NULL)
+ free_page((unsigned long) evtchn_row);
}
WRITE_ONCE(evtchn_to_irq[row][col], irq);
@@ -1009,7 +1017,7 @@ static void __unbind_from_irq(unsigned int irq)
int xen_bind_pirq_gsi_to_irq(unsigned gsi,
unsigned pirq, int shareable, char *name)
{
- int irq = -1;
+ int irq;
struct physdev_irq irq_op;
int ret;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0117d86..06f9f16 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9226,8 +9226,14 @@ static int btrfs_rename_exchange(struct inode *old_dir,
bool dest_log_pinned = false;
bool need_abort = false;
- /* we only allow rename subvolume link between subvolumes */
- if (old_ino != BTRFS_FIRST_FREE_OBJECTID && root != dest)
+ /*
+ * For non-subvolumes allow exchange only within one subvolume, in the
+ * same inode namespace. Two subvolumes (represented as directory) can
+ * be exchanged as they're a logical link and have a fixed inode number.
+ */
+ if (root != dest &&
+ (old_ino != BTRFS_FIRST_FREE_OBJECTID ||
+ new_ino != BTRFS_FIRST_FREE_OBJECTID))
return -EXDEV;
/* close the race window with snapshot create/destroy ioctl */
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c0bfc2f..c6a9542 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1611,6 +1611,11 @@ struct dfs_info3_param {
int ttl;
};
+struct file_list {
+ struct list_head list;
+ struct cifsFileInfo *cfile;
+};
+
/*
* common struct for holding inode info when searching for or updating an
* inode with new info
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 79402ca..5f8a302 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -100,7 +100,7 @@ build_path_from_dentry_optional_prefix(struct dentry *direntry, void *page,
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
pplen = cifs_sb->prepath ? strlen(cifs_sb->prepath) + 1 : 0;
- s = dentry_path_raw(direntry, page, PAGE_SIZE);
+ s = dentry_path_raw(direntry, page, PATH_MAX);
if (IS_ERR(s))
return s;
if (!s[1]) // for root we want "", not "/"
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0a72840..bb98fbd 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -4848,6 +4848,22 @@ void cifs_oplock_break(struct work_struct *work)
oplock_break_ack:
/*
+ * When oplock break is received and there are no active
+ * file handles but cached, then schedule deferred close immediately.
+ * So, new open will not use cached handle.
+ */
+ spin_lock(&CIFS_I(inode)->deferred_lock);
+ is_deferred = cifs_is_deferred_close(cfile, &dclose);
+ spin_unlock(&CIFS_I(inode)->deferred_lock);
+ if (is_deferred &&
+ cfile->deferred_close_scheduled &&
+ delayed_work_pending(&cfile->deferred)) {
+ if (cancel_delayed_work(&cfile->deferred)) {
+ _cifsFileInfo_put(cfile, false, false);
+ goto oplock_break_done;
+ }
+ }
+ /*
* releasing stale oplock after recent reconnect of smb session using
* a now incorrect file handle is not a data integrity issue but do
* not bother sending an oplock release if session to server still is
@@ -4858,24 +4874,7 @@ void cifs_oplock_break(struct work_struct *work)
cinode);
cifs_dbg(FYI, "Oplock release rc = %d\n", rc);
}
- /*
- * When oplock break is received and there are no active
- * file handles but cached, then schedule deferred close immediately.
- * So, new open will not use cached handle.
- */
- spin_lock(&CIFS_I(inode)->deferred_lock);
- is_deferred = cifs_is_deferred_close(cfile, &dclose);
- if (is_deferred &&
- cfile->deferred_close_scheduled &&
- delayed_work_pending(&cfile->deferred)) {
- /*
- * If there is no pending work, mod_delayed_work queues new work.
- * So, Increase the ref count to avoid use-after-free.
- */
- if (!mod_delayed_work(deferredclose_wq, &cfile->deferred, 0))
- cifsFileInfo_get(cfile);
- }
- spin_unlock(&CIFS_I(inode)->deferred_lock);
+oplock_break_done:
_cifsFileInfo_put(cfile, false /* do not wait for ourself */, false);
cifs_done_oplock_break(cinode);
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index b96b253..65f8a70 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1625,7 +1625,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
goto unlink_out;
}
- cifs_close_all_deferred_files(tcon);
+ cifs_close_deferred_file(CIFS_I(inode));
if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(tcon->fsUnixInfo.Capability))) {
rc = CIFSPOSIXDelFile(xid, tcon, full_path,
@@ -2084,6 +2084,7 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
+ int retry_count = 0;
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -2113,10 +2114,24 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
goto cifs_rename_exit;
}
- cifs_close_all_deferred_files(tcon);
+ cifs_close_deferred_file(CIFS_I(d_inode(source_dentry)));
+ if (d_inode(target_dentry) != NULL)
+ cifs_close_deferred_file(CIFS_I(d_inode(target_dentry)));
+
rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry,
to_name);
+ if (rc == -EACCES) {
+ while (retry_count < 3) {
+ cifs_close_all_deferred_files(tcon);
+ rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry,
+ to_name);
+ if (rc != -EACCES)
+ break;
+ retry_count++;
+ }
+ }
+
/*
* No-replace is the natural behavior for CIFS, so skip unlink hacks.
*/
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 844abeb..9469f1c 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -723,13 +723,31 @@ void
cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode)
{
struct cifsFileInfo *cfile = NULL;
- struct cifs_deferred_close *dclose;
+ struct file_list *tmp_list, *tmp_next_list;
+ struct list_head file_head;
+ if (cifs_inode == NULL)
+ return;
+
+ INIT_LIST_HEAD(&file_head);
+ spin_lock(&cifs_inode->open_file_lock);
list_for_each_entry(cfile, &cifs_inode->openFileList, flist) {
- spin_lock(&cifs_inode->deferred_lock);
- if (cifs_is_deferred_close(cfile, &dclose))
- mod_delayed_work(deferredclose_wq, &cfile->deferred, 0);
- spin_unlock(&cifs_inode->deferred_lock);
+ if (delayed_work_pending(&cfile->deferred)) {
+ if (cancel_delayed_work(&cfile->deferred)) {
+ tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
+ if (tmp_list == NULL)
+ continue;
+ tmp_list->cfile = cfile;
+ list_add_tail(&tmp_list->list, &file_head);
+ }
+ }
+ }
+ spin_unlock(&cifs_inode->open_file_lock);
+
+ list_for_each_entry_safe(tmp_list, tmp_next_list, &file_head, list) {
+ _cifsFileInfo_put(tmp_list->cfile, true, false);
+ list_del(&tmp_list->list);
+ kfree(tmp_list);
}
}
@@ -738,20 +756,30 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon)
{
struct cifsFileInfo *cfile;
struct list_head *tmp;
+ struct file_list *tmp_list, *tmp_next_list;
+ struct list_head file_head;
+ INIT_LIST_HEAD(&file_head);
spin_lock(&tcon->open_file_lock);
list_for_each(tmp, &tcon->openFileList) {
cfile = list_entry(tmp, struct cifsFileInfo, tlist);
if (delayed_work_pending(&cfile->deferred)) {
- /*
- * If there is no pending work, mod_delayed_work queues new work.
- * So, Increase the ref count to avoid use-after-free.
- */
- if (!mod_delayed_work(deferredclose_wq, &cfile->deferred, 0))
- cifsFileInfo_get(cfile);
+ if (cancel_delayed_work(&cfile->deferred)) {
+ tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
+ if (tmp_list == NULL)
+ continue;
+ tmp_list->cfile = cfile;
+ list_add_tail(&tmp_list->list, &file_head);
+ }
}
}
spin_unlock(&tcon->open_file_lock);
+
+ list_for_each_entry_safe(tmp_list, tmp_next_list, &file_head, list) {
+ _cifsFileInfo_put(tmp_list->cfile, true, false);
+ list_del(&tmp_list->list);
+ kfree(tmp_list);
+ }
}
/* parses DFS refferal V3 structure
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 781d14e..b6d2e35 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2426,7 +2426,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len)
memcpy(aclptr, &acl, sizeof(struct cifs_acl));
buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd);
- *len = ptr - (__u8 *)buf;
+ *len = roundup(ptr - (__u8 *)buf, 8);
return buf;
}
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index 5a0be99..0ad3215 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -177,28 +177,22 @@ static ssize_t configfs_bin_read_iter(struct kiocb *iocb, struct iov_iter *to)
return retval;
}
-/* Fill [buffer, buffer + pos) with data coming from @from. */
-static int fill_write_buffer(struct configfs_buffer *buffer, loff_t pos,
+/* Fill @buffer with data coming from @from. */
+static int fill_write_buffer(struct configfs_buffer *buffer,
struct iov_iter *from)
{
- loff_t to_copy;
int copied;
- u8 *to;
if (!buffer->page)
buffer->page = (char *)__get_free_pages(GFP_KERNEL, 0);
if (!buffer->page)
return -ENOMEM;
- to_copy = SIMPLE_ATTR_SIZE - 1 - pos;
- if (to_copy <= 0)
- return 0;
- to = buffer->page + pos;
- copied = copy_from_iter(to, to_copy, from);
+ copied = copy_from_iter(buffer->page, SIMPLE_ATTR_SIZE - 1, from);
buffer->needs_read_fill = 1;
/* if buf is assumed to contain a string, terminate it by \0,
* so e.g. sscanf() can scan the string easily */
- to[copied] = 0;
+ buffer->page[copied] = 0;
return copied ? : -EFAULT;
}
@@ -227,10 +221,10 @@ static ssize_t configfs_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct configfs_buffer *buffer = file->private_data;
- ssize_t len;
+ int len;
mutex_lock(&buffer->mutex);
- len = fill_write_buffer(buffer, iocb->ki_pos, from);
+ len = fill_write_buffer(buffer, from);
if (len > 0)
len = flush_write_buffer(file, buffer, len);
if (len > 0)
diff --git a/fs/dax.c b/fs/dax.c
index da41f93..99b4e78 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -722,7 +722,7 @@ static int copy_cow_page_dax(struct block_device *bdev, struct dax_device *dax_d
return rc;
id = dax_read_lock();
- rc = dax_direct_access(dax_dev, pgoff, PHYS_PFN(PAGE_SIZE), &kaddr, NULL);
+ rc = dax_direct_access(dax_dev, pgoff, 1, &kaddr, NULL);
if (rc < 0) {
dax_read_unlock(id);
return rc;
diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c
index e557237..9d58371 100644
--- a/fs/fuse/dax.c
+++ b/fs/fuse/dax.c
@@ -1235,8 +1235,6 @@ void fuse_dax_conn_free(struct fuse_conn *fc)
static int fuse_dax_mem_range_init(struct fuse_conn_dax *fcd)
{
long nr_pages, nr_ranges;
- void *kaddr;
- pfn_t pfn;
struct fuse_dax_mapping *range;
int ret, id;
size_t dax_size = -1;
@@ -1248,8 +1246,8 @@ static int fuse_dax_mem_range_init(struct fuse_conn_dax *fcd)
INIT_DELAYED_WORK(&fcd->free_work, fuse_dax_free_mem_worker);
id = dax_read_lock();
- nr_pages = dax_direct_access(fcd->dev, 0, PHYS_PFN(dax_size), &kaddr,
- &pfn);
+ nr_pages = dax_direct_access(fcd->dev, 0, PHYS_PFN(dax_size), NULL,
+ NULL);
dax_read_unlock(id);
if (nr_pages < 0) {
pr_debug("dax_direct_access() returned %ld\n", nr_pages);
diff --git a/fs/io-wq.c b/fs/io-wq.c
index 12fc193..7d2ed8c 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -129,7 +129,7 @@ struct io_cb_cancel_data {
bool cancel_all;
};
-static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index);
+static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index, bool first);
static void io_wqe_dec_running(struct io_worker *worker);
static bool io_worker_get(struct io_worker *worker)
@@ -248,18 +248,20 @@ static void io_wqe_wake_worker(struct io_wqe *wqe, struct io_wqe_acct *acct)
rcu_read_unlock();
if (!ret) {
- bool do_create = false;
+ bool do_create = false, first = false;
raw_spin_lock_irq(&wqe->lock);
if (acct->nr_workers < acct->max_workers) {
atomic_inc(&acct->nr_running);
atomic_inc(&wqe->wq->worker_refs);
+ if (!acct->nr_workers)
+ first = true;
acct->nr_workers++;
do_create = true;
}
raw_spin_unlock_irq(&wqe->lock);
if (do_create)
- create_io_worker(wqe->wq, wqe, acct->index);
+ create_io_worker(wqe->wq, wqe, acct->index, first);
}
}
@@ -282,16 +284,26 @@ static void create_worker_cb(struct callback_head *cb)
struct io_wq *wq;
struct io_wqe *wqe;
struct io_wqe_acct *acct;
+ bool do_create = false, first = false;
cwd = container_of(cb, struct create_worker_data, work);
wqe = cwd->wqe;
wq = wqe->wq;
acct = &wqe->acct[cwd->index];
raw_spin_lock_irq(&wqe->lock);
- if (acct->nr_workers < acct->max_workers)
+ if (acct->nr_workers < acct->max_workers) {
+ if (!acct->nr_workers)
+ first = true;
acct->nr_workers++;
+ do_create = true;
+ }
raw_spin_unlock_irq(&wqe->lock);
- create_io_worker(wq, cwd->wqe, cwd->index);
+ if (do_create) {
+ create_io_worker(wq, wqe, cwd->index, first);
+ } else {
+ atomic_dec(&acct->nr_running);
+ io_worker_ref_put(wq);
+ }
kfree(cwd);
}
@@ -629,7 +641,7 @@ void io_wq_worker_sleeping(struct task_struct *tsk)
raw_spin_unlock_irq(&worker->wqe->lock);
}
-static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index)
+static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index, bool first)
{
struct io_wqe_acct *acct = &wqe->acct[index];
struct io_worker *worker;
@@ -670,7 +682,7 @@ static void create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index)
worker->flags |= IO_WORKER_F_FREE;
if (index == IO_WQ_ACCT_BOUND)
worker->flags |= IO_WORKER_F_BOUND;
- if ((acct->nr_workers == 1) && (worker->flags & IO_WORKER_F_BOUND))
+ if (first && (worker->flags & IO_WORKER_F_BOUND))
worker->flags |= IO_WORKER_F_FIXED;
raw_spin_unlock_irq(&wqe->lock);
wake_up_new_task(tsk);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index bf548af..04c6d05 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -78,6 +78,7 @@
#include <linux/task_work.h>
#include <linux/pagemap.h>
#include <linux/io_uring.h>
+#include <linux/tracehook.h>
#define CREATE_TRACE_POINTS
#include <trace/events/io_uring.h>
@@ -1499,7 +1500,8 @@ static bool __io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force)
all_flushed = list_empty(&ctx->cq_overflow_list);
if (all_flushed) {
clear_bit(0, &ctx->check_cq_overflow);
- ctx->rings->sq_flags &= ~IORING_SQ_CQ_OVERFLOW;
+ WRITE_ONCE(ctx->rings->sq_flags,
+ ctx->rings->sq_flags & ~IORING_SQ_CQ_OVERFLOW);
}
if (posted)
@@ -1578,7 +1580,9 @@ static bool io_cqring_event_overflow(struct io_ring_ctx *ctx, u64 user_data,
}
if (list_empty(&ctx->cq_overflow_list)) {
set_bit(0, &ctx->check_cq_overflow);
- ctx->rings->sq_flags |= IORING_SQ_CQ_OVERFLOW;
+ WRITE_ONCE(ctx->rings->sq_flags,
+ ctx->rings->sq_flags | IORING_SQ_CQ_OVERFLOW);
+
}
ocqe->cqe.user_data = user_data;
ocqe->cqe.res = res;
@@ -2222,9 +2226,9 @@ static inline unsigned int io_put_rw_kbuf(struct io_kiocb *req)
static inline bool io_run_task_work(void)
{
- if (current->task_works) {
+ if (test_thread_flag(TIF_NOTIFY_SIGNAL) || current->task_works) {
__set_current_state(TASK_RUNNING);
- task_work_run();
+ tracehook_notify_signal();
return true;
}
@@ -6803,14 +6807,16 @@ static inline void io_ring_set_wakeup_flag(struct io_ring_ctx *ctx)
{
/* Tell userspace we may need a wakeup call */
spin_lock_irq(&ctx->completion_lock);
- ctx->rings->sq_flags |= IORING_SQ_NEED_WAKEUP;
+ WRITE_ONCE(ctx->rings->sq_flags,
+ ctx->rings->sq_flags | IORING_SQ_NEED_WAKEUP);
spin_unlock_irq(&ctx->completion_lock);
}
static inline void io_ring_clear_wakeup_flag(struct io_ring_ctx *ctx)
{
spin_lock_irq(&ctx->completion_lock);
- ctx->rings->sq_flags &= ~IORING_SQ_NEED_WAKEUP;
+ WRITE_ONCE(ctx->rings->sq_flags,
+ ctx->rings->sq_flags & ~IORING_SQ_NEED_WAKEUP);
spin_unlock_irq(&ctx->completion_lock);
}
@@ -7132,16 +7138,6 @@ static void **io_alloc_page_table(size_t size)
return table;
}
-static inline void io_rsrc_ref_lock(struct io_ring_ctx *ctx)
-{
- spin_lock_bh(&ctx->rsrc_ref_lock);
-}
-
-static inline void io_rsrc_ref_unlock(struct io_ring_ctx *ctx)
-{
- spin_unlock_bh(&ctx->rsrc_ref_lock);
-}
-
static void io_rsrc_node_destroy(struct io_rsrc_node *ref_node)
{
percpu_ref_exit(&ref_node->refs);
@@ -7158,9 +7154,9 @@ static void io_rsrc_node_switch(struct io_ring_ctx *ctx,
struct io_rsrc_node *rsrc_node = ctx->rsrc_node;
rsrc_node->rsrc_data = data_to_kill;
- io_rsrc_ref_lock(ctx);
+ spin_lock_irq(&ctx->rsrc_ref_lock);
list_add_tail(&rsrc_node->node, &ctx->rsrc_ref_list);
- io_rsrc_ref_unlock(ctx);
+ spin_unlock_irq(&ctx->rsrc_ref_lock);
atomic_inc(&data_to_kill->refs);
percpu_ref_kill(&rsrc_node->refs);
@@ -7199,17 +7195,19 @@ static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, struct io_ring_ctx *ct
/* kill initial ref, already quiesced if zero */
if (atomic_dec_and_test(&data->refs))
break;
+ mutex_unlock(&ctx->uring_lock);
flush_delayed_work(&ctx->rsrc_put_work);
ret = wait_for_completion_interruptible(&data->done);
- if (!ret)
+ if (!ret) {
+ mutex_lock(&ctx->uring_lock);
break;
+ }
atomic_inc(&data->refs);
/* wait for all works potentially completing data->done */
flush_delayed_work(&ctx->rsrc_put_work);
reinit_completion(&data->done);
- mutex_unlock(&ctx->uring_lock);
ret = io_run_task_work_sig();
mutex_lock(&ctx->uring_lock);
} while (ret >= 0);
@@ -7668,9 +7666,10 @@ static void io_rsrc_node_ref_zero(struct percpu_ref *ref)
{
struct io_rsrc_node *node = container_of(ref, struct io_rsrc_node, refs);
struct io_ring_ctx *ctx = node->rsrc_data->ctx;
+ unsigned long flags;
bool first_add = false;
- io_rsrc_ref_lock(ctx);
+ spin_lock_irqsave(&ctx->rsrc_ref_lock, flags);
node->done = true;
while (!list_empty(&ctx->rsrc_ref_list)) {
@@ -7682,7 +7681,7 @@ static void io_rsrc_node_ref_zero(struct percpu_ref *ref)
list_del(&node->node);
first_add |= llist_add(&node->llist, &ctx->rsrc_put_llist);
}
- io_rsrc_ref_unlock(ctx);
+ spin_unlock_irqrestore(&ctx->rsrc_ref_lock, flags);
if (first_add)
mod_delayed_work(system_wq, &ctx->rsrc_put_work, HZ);
@@ -8653,13 +8652,10 @@ static void io_req_caches_free(struct io_ring_ctx *ctx)
mutex_unlock(&ctx->uring_lock);
}
-static bool io_wait_rsrc_data(struct io_rsrc_data *data)
+static void io_wait_rsrc_data(struct io_rsrc_data *data)
{
- if (!data)
- return false;
- if (!atomic_dec_and_test(&data->refs))
+ if (data && !atomic_dec_and_test(&data->refs))
wait_for_completion(&data->done);
- return true;
}
static void io_ring_ctx_free(struct io_ring_ctx *ctx)
@@ -8671,10 +8667,14 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
ctx->mm_account = NULL;
}
+ /* __io_rsrc_put_work() may need uring_lock to progress, wait w/o it */
+ io_wait_rsrc_data(ctx->buf_data);
+ io_wait_rsrc_data(ctx->file_data);
+
mutex_lock(&ctx->uring_lock);
- if (io_wait_rsrc_data(ctx->buf_data))
+ if (ctx->buf_data)
__io_sqe_buffers_unregister(ctx);
- if (io_wait_rsrc_data(ctx->file_data))
+ if (ctx->file_data)
__io_sqe_files_unregister(ctx);
if (ctx->rings)
__io_cqring_overflow_flush(ctx, true);
diff --git a/fs/pipe.c b/fs/pipe.c
index 8e6ef62..678dee2 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -444,9 +444,6 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
#endif
/*
- * Epoll nonsensically wants a wakeup whether the pipe
- * was already empty or not.
- *
* If it wasn't empty we try to merge new data into
* the last buffer.
*
@@ -455,9 +452,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
* spanning multiple pages.
*/
head = pipe->head;
- was_empty = true;
+ was_empty = pipe_empty(head, pipe->tail);
chars = total_len & (PAGE_SIZE-1);
- if (chars && !pipe_empty(head, pipe->tail)) {
+ if (chars && !was_empty) {
unsigned int mask = pipe->ring_size - 1;
struct pipe_buffer *buf = &pipe->bufs[(head - 1) & mask];
int offset = buf->offset + buf->len;
@@ -590,8 +587,11 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
* This is particularly important for small writes, because of
* how (for example) the GNU make jobserver uses small writes to
* wake up pending jobs
+ *
+ * Epoll nonsensically wants a wakeup whether the pipe
+ * was already empty or not.
*/
- if (was_empty) {
+ if (was_empty || pipe->poll_usage) {
wake_up_interruptible_sync_poll(&pipe->rd_wait, EPOLLIN | EPOLLRDNORM);
kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
}
@@ -654,6 +654,9 @@ pipe_poll(struct file *filp, poll_table *wait)
struct pipe_inode_info *pipe = filp->private_data;
unsigned int head, tail;
+ /* Epoll has some historical nasty semantics, this enables them */
+ pipe->poll_usage = 1;
+
/*
* Reading pipe state only -- no need for acquiring the semaphore.
*
diff --git a/include/linux/device.h b/include/linux/device.h
index 59940f1..65d84b6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -407,6 +407,7 @@ struct dev_links_info {
* @em_pd: device's energy model performance domain
* @pins: For device pin management.
* See Documentation/driver-api/pin-control.rst for details.
+ * @msi_lock: Lock to protect MSI mask cache and mask register
* @msi_list: Hosts MSI descriptors
* @msi_domain: The generic MSI domain this device is using.
* @numa_node: NUMA node this device is close to.
@@ -506,6 +507,7 @@ struct device {
struct dev_pin_info *pins;
#endif
#ifdef CONFIG_GENERIC_MSI_IRQ
+ raw_spinlock_t msi_lock;
struct list_head msi_list;
#endif
#ifdef CONFIG_DMA_OPS
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8e9a9ae..c8293c8 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -569,6 +569,7 @@ struct irq_chip {
* IRQCHIP_SUPPORTS_NMI: Chip can deliver NMIs, only for root irqchips
* IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND: Invokes __enable_irq()/__disable_irq() for wake irqs
* in the suspend path if they are in disabled state
+ * IRQCHIP_AFFINITY_PRE_STARTUP: Default affinity update before startup
*/
enum {
IRQCHIP_SET_TYPE_MASKED = (1 << 0),
@@ -581,6 +582,7 @@ enum {
IRQCHIP_SUPPORTS_LEVEL_MSI = (1 << 7),
IRQCHIP_SUPPORTS_NMI = (1 << 8),
IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND = (1 << 9),
+ IRQCHIP_AFFINITY_PRE_STARTUP = (1 << 10),
};
#include <linux/irqdesc.h>
diff --git a/include/linux/mlx5/mlx5_ifc_vdpa.h b/include/linux/mlx5/mlx5_ifc_vdpa.h
index 98b56b7..1a9c9d9 100644
--- a/include/linux/mlx5/mlx5_ifc_vdpa.h
+++ b/include/linux/mlx5/mlx5_ifc_vdpa.h
@@ -11,13 +11,15 @@ enum {
};
enum {
- MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT = 0x1, // do I check this caps?
- MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED = 0x2,
+ MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT = 0,
+ MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED = 1,
};
enum {
- MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT = 0,
- MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED = 1,
+ MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT =
+ BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT),
+ MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED =
+ BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED),
};
struct mlx5_ifc_virtio_q_bits {
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 6aff469..e8bdcb8 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -233,7 +233,7 @@ void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag);
-u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
+void __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
void pci_msi_mask_irq(struct irq_data *data);
void pci_msi_unmask_irq(struct irq_data *data);
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 5d2705f..fc56424 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -48,6 +48,7 @@ struct pipe_buffer {
* @files: number of struct file referring this pipe (protected by ->i_lock)
* @r_counter: reader counter
* @w_counter: writer counter
+ * @poll_usage: is this pipe used for epoll, which has crazy wakeups?
* @fasync_readers: reader side fasync
* @fasync_writers: writer side fasync
* @bufs: the circular array of pipe buffers
@@ -70,6 +71,7 @@ struct pipe_inode_info {
unsigned int files;
unsigned int r_counter;
unsigned int w_counter;
+ unsigned int poll_usage;
struct page *tmp_page;
struct fasync_struct *fasync_readers;
struct fasync_struct *fasync_writers;
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 3357ac9..8cfe49d 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -277,6 +277,17 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent,
const struct vdpa_config_ops *config,
size_t size, const char *name);
+/**
+ * vdpa_alloc_device - allocate and initilaize a vDPA device
+ *
+ * @dev_struct: the type of the parent structure
+ * @member: the name of struct vdpa_device within the @dev_struct
+ * @parent: the parent device
+ * @config: the bus operations that is supported by this device
+ * @name: name of the vdpa device
+ *
+ * Return allocated data structure or ERR_PTR upon error
+ */
#define vdpa_alloc_device(dev_struct, member, parent, config, name) \
container_of(__vdpa_alloc_device( \
parent, config, \
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index b1894e0..41edbc0 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -110,6 +110,7 @@ struct virtio_device {
bool config_enabled;
bool config_change_pending;
spinlock_t config_lock;
+ spinlock_t vqs_list_lock; /* Protects VQs list access */
struct device dev;
struct virtio_device_id id;
const struct virtio_config_ops *config;
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index 84db7b8..212892c 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -14,6 +14,7 @@
#include <linux/virtio_byteorder.h>
#include <linux/uio.h>
#include <linux/slab.h>
+#include <linux/spinlock.h>
#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
#include <linux/dma-direction.h>
#include <linux/vhost_iotlb.h>
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 5aa27ac..3961461 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -319,14 +319,12 @@ flow_action_mixed_hw_stats_check(const struct flow_action *action,
if (flow_offload_has_one_action(action))
return true;
- if (action) {
- flow_action_for_each(i, action_entry, action) {
- if (i && action_entry->hw_stats != last_hw_stats) {
- NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported");
- return false;
- }
- last_hw_stats = action_entry->hw_stats;
+ flow_action_for_each(i, action_entry, action) {
+ if (i && action_entry->hw_stats != last_hw_stats) {
+ NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported");
+ return false;
}
+ last_hw_stats = action_entry->hw_stats;
}
return true;
}
diff --git a/init/main.c b/init/main.c
index 11cbbec..daad697 100644
--- a/init/main.c
+++ b/init/main.c
@@ -397,6 +397,12 @@ static int __init bootconfig_params(char *param, char *val,
return 0;
}
+static int __init warn_bootconfig(char *str)
+{
+ /* The 'bootconfig' has been handled by bootconfig_params(). */
+ return 0;
+}
+
static void __init setup_boot_config(void)
{
static char tmp_cmdline[COMMAND_LINE_SIZE] __initdata;
@@ -475,9 +481,8 @@ static int __init warn_bootconfig(char *str)
pr_warn("WARNING: 'bootconfig' found on the kernel command line but CONFIG_BOOT_CONFIG is not set.\n");
return 0;
}
-early_param("bootconfig", warn_bootconfig);
-
#endif
+early_param("bootconfig", warn_bootconfig);
/* Change NUL term back to "=", to make "param" the whole string. */
static void __init repair_env_string(char *param, char *val)
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 32761be..04010a5 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -363,9 +363,15 @@ const struct bpf_func_proto bpf_jiffies64_proto = {
#ifdef CONFIG_CGROUPS
BPF_CALL_0(bpf_get_current_cgroup_id)
{
- struct cgroup *cgrp = task_dfl_cgroup(current);
+ struct cgroup *cgrp;
+ u64 cgrp_id;
- return cgroup_id(cgrp);
+ rcu_read_lock();
+ cgrp = task_dfl_cgroup(current);
+ cgrp_id = cgroup_id(cgrp);
+ rcu_read_unlock();
+
+ return cgrp_id;
}
const struct bpf_func_proto bpf_get_current_cgroup_id_proto = {
@@ -376,13 +382,17 @@ const struct bpf_func_proto bpf_get_current_cgroup_id_proto = {
BPF_CALL_1(bpf_get_current_ancestor_cgroup_id, int, ancestor_level)
{
- struct cgroup *cgrp = task_dfl_cgroup(current);
+ struct cgroup *cgrp;
struct cgroup *ancestor;
+ u64 cgrp_id;
+ rcu_read_lock();
+ cgrp = task_dfl_cgroup(current);
ancestor = cgroup_ancestor(cgrp, ancestor_level);
- if (!ancestor)
- return 0;
- return cgroup_id(ancestor);
+ cgrp_id = ancestor ? cgroup_id(ancestor) : 0;
+ rcu_read_unlock();
+
+ return cgrp_id;
}
const struct bpf_func_proto bpf_get_current_ancestor_cgroup_id_proto = {
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 5ea2238..e5f2b23 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -11955,6 +11955,7 @@ static void sanitize_dead_code(struct bpf_verifier_env *env)
if (aux_data[i].seen)
continue;
memcpy(insn + i, &trap, sizeof(trap));
+ aux_data[i].zext_dst = false;
}
}
diff --git a/kernel/cfi.c b/kernel/cfi.c
index e17a5663..9594cfd 100644
--- a/kernel/cfi.c
+++ b/kernel/cfi.c
@@ -248,9 +248,9 @@ static inline cfi_check_fn find_shadow_check_fn(unsigned long ptr)
{
cfi_check_fn fn;
- rcu_read_lock_sched();
+ rcu_read_lock_sched_notrace();
fn = ptr_to_check_fn(rcu_dereference_sched(cfi_shadow), ptr);
- rcu_read_unlock_sched();
+ rcu_read_unlock_sched_notrace();
return fn;
}
@@ -269,11 +269,11 @@ static inline cfi_check_fn find_module_check_fn(unsigned long ptr)
cfi_check_fn fn = NULL;
struct module *mod;
- rcu_read_lock_sched();
+ rcu_read_lock_sched_notrace();
mod = __module_address(ptr);
if (mod)
fn = mod->cfi_check;
- rcu_read_unlock_sched();
+ rcu_read_unlock_sched_notrace();
return fn;
}
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 7f04c7d..a98bcfc 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -265,8 +265,11 @@ int irq_startup(struct irq_desc *desc, bool resend, bool force)
} else {
switch (__irq_startup_managed(desc, aff, force)) {
case IRQ_STARTUP_NORMAL:
+ if (d->chip->flags & IRQCHIP_AFFINITY_PRE_STARTUP)
+ irq_setup_affinity(desc);
ret = __irq_startup(desc);
- irq_setup_affinity(desc);
+ if (!(d->chip->flags & IRQCHIP_AFFINITY_PRE_STARTUP))
+ irq_setup_affinity(desc);
break;
case IRQ_STARTUP_MANAGED:
irq_do_set_affinity(d, aff, false);
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index c41965e..85df3ca 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -476,11 +476,6 @@ int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
return 0;
cleanup:
- for_each_msi_vector(desc, i, dev) {
- irq_data = irq_domain_get_irq_data(domain, i);
- if (irqd_is_activated(irq_data))
- irq_domain_deactivate_irq(irq_data);
- }
msi_domain_free_irqs(domain, dev);
return ret;
}
@@ -505,7 +500,15 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
void __msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)
{
+ struct irq_data *irq_data;
struct msi_desc *desc;
+ int i;
+
+ for_each_msi_vector(desc, i, dev) {
+ irq_data = irq_domain_get_irq_data(domain, i);
+ if (irqd_is_activated(irq_data))
+ irq_domain_deactivate_irq(irq_data);
+ }
for_each_msi_entry(desc, dev) {
/*
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c
index d309d6f..4d2a702 100644
--- a/kernel/irq/timings.c
+++ b/kernel/irq/timings.c
@@ -453,6 +453,11 @@ static __always_inline void __irq_timings_store(int irq, struct irqt_stat *irqs,
*/
index = irq_timings_interval_index(interval);
+ if (index > PREDICTION_BUFFER_SIZE - 1) {
+ irqs->count = 0;
+ return;
+ }
+
/*
* Store the index as an element of the pattern in another
* circular array.
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index b5d9bb5..ad0db32 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -343,7 +343,7 @@ static __always_inline bool
rt_mutex_cond_detect_deadlock(struct rt_mutex_waiter *waiter,
enum rtmutex_chainwalk chwalk)
{
- if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEX))
+ if (IS_ENABLED(CONFIG_DEBUG_RT_MUTEXES))
return waiter != NULL;
return chwalk == RT_MUTEX_FULL_CHAINWALK;
}
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d567b17..3ee23f4 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -219,6 +219,11 @@
depends on DYNAMIC_FTRACE_WITH_REGS
depends on HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+config DYNAMIC_FTRACE_WITH_ARGS
+ def_bool y
+ depends on DYNAMIC_FTRACE
+ depends on HAVE_DYNAMIC_FTRACE_WITH_ARGS
+
config FUNCTION_PROFILER
bool "Kernel function profiler"
depends on FUNCTION_TRACER
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 33899a7..a1adb29 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2897,14 +2897,26 @@ int tracepoint_printk_sysctl(struct ctl_table *table, int write,
void trace_event_buffer_commit(struct trace_event_buffer *fbuffer)
{
+ enum event_trigger_type tt = ETT_NONE;
+ struct trace_event_file *file = fbuffer->trace_file;
+
+ if (__event_trigger_test_discard(file, fbuffer->buffer, fbuffer->event,
+ fbuffer->entry, &tt))
+ goto discard;
+
if (static_key_false(&tracepoint_printk_key.key))
output_printk(fbuffer);
if (static_branch_unlikely(&trace_event_exports_enabled))
ftrace_exports(fbuffer->event, TRACE_EXPORT_EVENT);
- event_trigger_unlock_commit_regs(fbuffer->trace_file, fbuffer->buffer,
- fbuffer->event, fbuffer->entry,
- fbuffer->trace_ctx, fbuffer->regs);
+
+ trace_buffer_unlock_commit_regs(file->tr, fbuffer->buffer,
+ fbuffer->event, fbuffer->trace_ctx, fbuffer->regs);
+
+discard:
+ if (tt)
+ event_triggers_post_call(file, tt);
+
}
EXPORT_SYMBOL_GPL(trace_event_buffer_commit);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index a180abf..4a0e693 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1389,38 +1389,6 @@ event_trigger_unlock_commit(struct trace_event_file *file,
event_triggers_post_call(file, tt);
}
-/**
- * event_trigger_unlock_commit_regs - handle triggers and finish event commit
- * @file: The file pointer associated with the event
- * @buffer: The ring buffer that the event is being written to
- * @event: The event meta data in the ring buffer
- * @entry: The event itself
- * @trace_ctx: The tracing context flags.
- *
- * This is a helper function to handle triggers that require data
- * from the event itself. It also tests the event against filters and
- * if the event is soft disabled and should be discarded.
- *
- * Same as event_trigger_unlock_commit() but calls
- * trace_buffer_unlock_commit_regs() instead of trace_buffer_unlock_commit().
- */
-static inline void
-event_trigger_unlock_commit_regs(struct trace_event_file *file,
- struct trace_buffer *buffer,
- struct ring_buffer_event *event,
- void *entry, unsigned int trace_ctx,
- struct pt_regs *regs)
-{
- enum event_trigger_type tt = ETT_NONE;
-
- if (!__event_trigger_test_discard(file, buffer, event, entry, &tt))
- trace_buffer_unlock_commit_regs(file->tr, buffer, event,
- trace_ctx, regs);
-
- if (tt)
- event_triggers_post_call(file, tt);
-}
-
#define FILTER_PRED_INVALID ((unsigned short)-1)
#define FILTER_PRED_IS_RIGHT (1 << 15)
#define FILTER_PRED_FOLD (1 << 15)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 949ef09..a48aa2a 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -3430,6 +3430,8 @@ trace_action_create_field_var(struct hist_trigger_data *hist_data,
event = data->match_data.event;
}
+ if (!event)
+ goto free;
/*
* At this point, we're looking at a field on another
* event. Because we can't modify a hist trigger on
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index a7e3c24..b61eefe 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -253,6 +253,7 @@ static struct osnoise_data {
*/
static bool osnoise_busy;
+#ifdef CONFIG_PREEMPT_RT
/*
* Print the osnoise header info.
*/
@@ -261,6 +262,35 @@ static void print_osnoise_headers(struct seq_file *s)
if (osnoise_data.tainted)
seq_puts(s, "# osnoise is tainted!\n");
+ seq_puts(s, "# _-------=> irqs-off\n");
+ seq_puts(s, "# / _------=> need-resched\n");
+ seq_puts(s, "# | / _-----=> need-resched-lazy\n");
+ seq_puts(s, "# || / _----=> hardirq/softirq\n");
+ seq_puts(s, "# ||| / _---=> preempt-depth\n");
+ seq_puts(s, "# |||| / _--=> preempt-lazy-depth\n");
+ seq_puts(s, "# ||||| / _-=> migrate-disable\n");
+
+ seq_puts(s, "# |||||| / ");
+ seq_puts(s, " MAX\n");
+
+ seq_puts(s, "# ||||| / ");
+ seq_puts(s, " SINGLE Interference counters:\n");
+
+ seq_puts(s, "# ||||||| RUNTIME ");
+ seq_puts(s, " NOISE %% OF CPU NOISE +-----------------------------+\n");
+
+ seq_puts(s, "# TASK-PID CPU# ||||||| TIMESTAMP IN US ");
+ seq_puts(s, " IN US AVAILABLE IN US HW NMI IRQ SIRQ THREAD\n");
+
+ seq_puts(s, "# | | | ||||||| | | ");
+ seq_puts(s, " | | | | | | | |\n");
+}
+#else /* CONFIG_PREEMPT_RT */
+static void print_osnoise_headers(struct seq_file *s)
+{
+ if (osnoise_data.tainted)
+ seq_puts(s, "# osnoise is tainted!\n");
+
seq_puts(s, "# _-----=> irqs-off\n");
seq_puts(s, "# / _----=> need-resched\n");
seq_puts(s, "# | / _---=> hardirq/softirq\n");
@@ -279,6 +309,7 @@ static void print_osnoise_headers(struct seq_file *s)
seq_puts(s, "# | | | |||| | | ");
seq_puts(s, " | | | | | | | |\n");
}
+#endif /* CONFIG_PREEMPT_RT */
/*
* osnoise_taint - report an osnoise error.
@@ -323,6 +354,24 @@ static void trace_osnoise_sample(struct osnoise_sample *sample)
/*
* Print the timerlat header info.
*/
+#ifdef CONFIG_PREEMPT_RT
+static void print_timerlat_headers(struct seq_file *s)
+{
+ seq_puts(s, "# _-------=> irqs-off\n");
+ seq_puts(s, "# / _------=> need-resched\n");
+ seq_puts(s, "# | / _-----=> need-resched-lazy\n");
+ seq_puts(s, "# || / _----=> hardirq/softirq\n");
+ seq_puts(s, "# ||| / _---=> preempt-depth\n");
+ seq_puts(s, "# |||| / _--=> preempt-lazy-depth\n");
+ seq_puts(s, "# ||||| / _-=> migrate-disable\n");
+ seq_puts(s, "# |||||| /\n");
+ seq_puts(s, "# ||||||| ACTIVATION\n");
+ seq_puts(s, "# TASK-PID CPU# ||||||| TIMESTAMP ID ");
+ seq_puts(s, " CONTEXT LATENCY\n");
+ seq_puts(s, "# | | | ||||||| | | ");
+ seq_puts(s, " | |\n");
+}
+#else /* CONFIG_PREEMPT_RT */
static void print_timerlat_headers(struct seq_file *s)
{
seq_puts(s, "# _-----=> irqs-off\n");
@@ -336,6 +385,7 @@ static void print_timerlat_headers(struct seq_file *s)
seq_puts(s, "# | | | |||| | | ");
seq_puts(s, " | |\n");
}
+#endif /* CONFIG_PREEMPT_RT */
/*
* Record an timerlat_sample into the tracer buffer.
@@ -1025,9 +1075,13 @@ diff_osn_sample_stats(struct osnoise_variables *osn_var, struct osnoise_sample *
/*
* osnoise_stop_tracing - Stop tracing and the tracer.
*/
-static void osnoise_stop_tracing(void)
+static __always_inline void osnoise_stop_tracing(void)
{
struct trace_array *tr = osnoise_trace;
+
+ trace_array_printk_buf(tr->array_buffer.buffer, _THIS_IP_,
+ "stop tracing hit on cpu %d\n", smp_processor_id());
+
tracer_tracing_off(tr);
}
diff --git a/lib/devmem_is_allowed.c b/lib/devmem_is_allowed.c
index c0d67c5..60be9e2 100644
--- a/lib/devmem_is_allowed.c
+++ b/lib/devmem_is_allowed.c
@@ -19,7 +19,7 @@
*/
int devmem_is_allowed(unsigned long pfn)
{
- if (iomem_is_exclusive(pfn << PAGE_SHIFT))
+ if (iomem_is_exclusive(PFN_PHYS(pfn)))
return 0;
if (!page_is_ram(pfn))
return 1;
diff --git a/mm/gup.c b/mm/gup.c
index 42b8b1f..b947179 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1558,9 +1558,12 @@ long faultin_vma_page_range(struct vm_area_struct *vma, unsigned long start,
gup_flags |= FOLL_WRITE;
/*
- * See check_vma_flags(): Will return -EFAULT on incompatible mappings
- * or with insufficient permissions.
+ * We want to report -EINVAL instead of -EFAULT for any permission
+ * problems or incompatible mappings.
*/
+ if (check_vma_flags(vma, gup_flags))
+ return -EINVAL;
+
return __get_user_pages(mm, start, nr_pages, gup_flags,
NULL, NULL, locked);
}
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 228a2fb..73d46d1 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -290,7 +290,7 @@ static void hex_dump_object(struct seq_file *seq,
warn_or_seq_printf(seq, " hex dump (first %zu bytes):\n", len);
kasan_disable_current();
warn_or_seq_hex_dump(seq, DUMP_PREFIX_NONE, HEX_ROW_SIZE,
- HEX_GROUP_SIZE, ptr, len, HEX_ASCII);
+ HEX_GROUP_SIZE, kasan_reset_tag((void *)ptr), len, HEX_ASCII);
kasan_enable_current();
}
@@ -1171,7 +1171,7 @@ static bool update_checksum(struct kmemleak_object *object)
kasan_disable_current();
kcsan_disable_current();
- object->checksum = crc32(0, (void *)object->pointer, object->size);
+ object->checksum = crc32(0, kasan_reset_tag((void *)object->pointer), object->size);
kasan_enable_current();
kcsan_enable_current();
@@ -1246,7 +1246,7 @@ static void scan_block(void *_start, void *_end,
break;
kasan_disable_current();
- pointer = *ptr;
+ pointer = *(unsigned long *)kasan_reset_tag((void *)ptr);
kasan_enable_current();
untagged_ptr = (unsigned long)kasan_reset_tag((void *)pointer);
diff --git a/mm/madvise.c b/mm/madvise.c
index 6d3d348..5c065bc 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -862,10 +862,12 @@ static long madvise_populate(struct vm_area_struct *vma,
switch (pages) {
case -EINTR:
return -EINTR;
- case -EFAULT: /* Incompatible mappings / permissions. */
+ case -EINVAL: /* Incompatible mappings / permissions. */
return -EINVAL;
case -EHWPOISON:
return -EHWPOISON;
+ case -EFAULT: /* VM_FAULT_SIGBUS or VM_FAULT_SIGSEGV */
+ return -EFAULT;
default:
pr_warn_once("%s: unhandled return value: %ld\n",
__func__, pages);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index be585ce..389b576 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3106,13 +3106,15 @@ void mod_objcg_state(struct obj_cgroup *objcg, struct pglist_data *pgdat,
stock->cached_pgdat = pgdat;
} else if (stock->cached_pgdat != pgdat) {
/* Flush the existing cached vmstat data */
+ struct pglist_data *oldpg = stock->cached_pgdat;
+
if (stock->nr_slab_reclaimable_b) {
- mod_objcg_mlstate(objcg, pgdat, NR_SLAB_RECLAIMABLE_B,
+ mod_objcg_mlstate(objcg, oldpg, NR_SLAB_RECLAIMABLE_B,
stock->nr_slab_reclaimable_b);
stock->nr_slab_reclaimable_b = 0;
}
if (stock->nr_slab_unreclaimable_b) {
- mod_objcg_mlstate(objcg, pgdat, NR_SLAB_UNRECLAIMABLE_B,
+ mod_objcg_mlstate(objcg, oldpg, NR_SLAB_UNRECLAIMABLE_B,
stock->nr_slab_unreclaimable_b);
stock->nr_slab_unreclaimable_b = 0;
}
diff --git a/mm/slub.c b/mm/slub.c
index af984e4..f77d8cd 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -576,8 +576,8 @@ static void print_section(char *level, char *text, u8 *addr,
unsigned int length)
{
metadata_access_enable();
- print_hex_dump(level, kasan_reset_tag(text), DUMP_PREFIX_ADDRESS,
- 16, 1, addr, length, 1);
+ print_hex_dump(level, text, DUMP_PREFIX_ADDRESS,
+ 16, 1, kasan_reset_tag((void *)addr), length, 1);
metadata_access_disable();
}
@@ -1400,12 +1400,13 @@ parse_slub_debug_flags(char *str, slab_flags_t *flags, char **slabs, bool init)
static int __init setup_slub_debug(char *str)
{
slab_flags_t flags;
+ slab_flags_t global_flags;
char *saved_str;
char *slab_list;
bool global_slub_debug_changed = false;
bool slab_list_specified = false;
- slub_debug = DEBUG_DEFAULT_FLAGS;
+ global_flags = DEBUG_DEFAULT_FLAGS;
if (*str++ != '=' || !*str)
/*
* No options specified. Switch on full debugging.
@@ -1417,7 +1418,7 @@ static int __init setup_slub_debug(char *str)
str = parse_slub_debug_flags(str, &flags, &slab_list, true);
if (!slab_list) {
- slub_debug = flags;
+ global_flags = flags;
global_slub_debug_changed = true;
} else {
slab_list_specified = true;
@@ -1426,16 +1427,18 @@ static int __init setup_slub_debug(char *str)
/*
* For backwards compatibility, a single list of flags with list of
- * slabs means debugging is only enabled for those slabs, so the global
- * slub_debug should be 0. We can extended that to multiple lists as
+ * slabs means debugging is only changed for those slabs, so the global
+ * slub_debug should be unchanged (0 or DEBUG_DEFAULT_FLAGS, depending
+ * on CONFIG_SLUB_DEBUG_ON). We can extended that to multiple lists as
* long as there is no option specifying flags without a slab list.
*/
if (slab_list_specified) {
if (!global_slub_debug_changed)
- slub_debug = 0;
+ global_flags = slub_debug;
slub_debug_string = saved_str;
}
out:
+ slub_debug = global_flags;
if (slub_debug != 0 || slub_debug_string)
static_branch_enable(&slub_debug_enabled);
else
@@ -3236,12 +3239,12 @@ struct detached_freelist {
struct kmem_cache *s;
};
-static inline void free_nonslab_page(struct page *page)
+static inline void free_nonslab_page(struct page *page, void *object)
{
unsigned int order = compound_order(page);
VM_BUG_ON_PAGE(!PageCompound(page), page);
- kfree_hook(page_address(page));
+ kfree_hook(object);
mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B, -(PAGE_SIZE << order));
__free_pages(page, order);
}
@@ -3282,7 +3285,7 @@ int build_detached_freelist(struct kmem_cache *s, size_t size,
if (!s) {
/* Handle kalloc'ed objects */
if (unlikely(!PageSlab(page))) {
- free_nonslab_page(page);
+ free_nonslab_page(page, object);
p[size] = NULL; /* mark object processed */
return size;
}
@@ -4258,7 +4261,7 @@ void kfree(const void *x)
page = virt_to_head_page(x);
if (unlikely(!PageSlab(page))) {
- free_nonslab_page(page);
+ free_nonslab_page(page, object);
return;
}
slab_free(page->slab_cache, page, object, NULL, 1, _RET_IP_);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 05f4c3c..fcae76d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -260,6 +260,8 @@ static void ieee80211_restart_work(struct work_struct *work)
flush_work(&local->radar_detected_work);
rtnl_lock();
+ /* we might do interface manipulations, so need both */
+ wiphy_lock(local->hw.wiphy);
WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
"%s called with hardware scan in progress\n", __func__);
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index e37b6f2..bebb759 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -885,20 +885,16 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *ssk,
return subflow->mp_capable;
}
- if (mp_opt->dss && mp_opt->use_ack) {
+ if ((mp_opt->dss && mp_opt->use_ack) ||
+ (mp_opt->add_addr && !mp_opt->echo)) {
/* subflows are fully established as soon as we get any
- * additional ack.
+ * additional ack, including ADD_ADDR.
*/
subflow->fully_established = 1;
WRITE_ONCE(msk->fully_established, true);
goto fully_established;
}
- if (mp_opt->add_addr) {
- WRITE_ONCE(msk->fully_established, true);
- return true;
- }
-
/* If the first established packet does not contain MP_CAPABLE + data
* then fallback to TCP. Fallback scenarios requires a reset for
* MP_JOIN subflows.
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 6e3df62..480f43e 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1297,36 +1297,12 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net,
return 0;
}
-struct addr_entry_release_work {
- struct rcu_work rwork;
- struct mptcp_pm_addr_entry *entry;
-};
-
-static void mptcp_pm_release_addr_entry(struct work_struct *work)
+/* caller must ensure the RCU grace period is already elapsed */
+static void __mptcp_pm_release_addr_entry(struct mptcp_pm_addr_entry *entry)
{
- struct addr_entry_release_work *w;
- struct mptcp_pm_addr_entry *entry;
-
- w = container_of(to_rcu_work(work), struct addr_entry_release_work, rwork);
- entry = w->entry;
- if (entry) {
- if (entry->lsk)
- sock_release(entry->lsk);
- kfree(entry);
- }
- kfree(w);
-}
-
-static void mptcp_pm_free_addr_entry(struct mptcp_pm_addr_entry *entry)
-{
- struct addr_entry_release_work *w;
-
- w = kmalloc(sizeof(*w), GFP_ATOMIC);
- if (w) {
- INIT_RCU_WORK(&w->rwork, mptcp_pm_release_addr_entry);
- w->entry = entry;
- queue_rcu_work(system_wq, &w->rwork);
- }
+ if (entry->lsk)
+ sock_release(entry->lsk);
+ kfree(entry);
}
static int mptcp_nl_remove_id_zero_address(struct net *net,
@@ -1406,7 +1382,8 @@ static int mptcp_nl_cmd_del_addr(struct sk_buff *skb, struct genl_info *info)
spin_unlock_bh(&pernet->lock);
mptcp_nl_remove_subflow_and_signal_addr(sock_net(skb->sk), &entry->addr);
- mptcp_pm_free_addr_entry(entry);
+ synchronize_rcu();
+ __mptcp_pm_release_addr_entry(entry);
return ret;
}
@@ -1459,6 +1436,7 @@ static void mptcp_nl_remove_addrs_list(struct net *net,
}
}
+/* caller must ensure the RCU grace period is already elapsed */
static void __flush_addrs(struct list_head *list)
{
while (!list_empty(list)) {
@@ -1467,7 +1445,7 @@ static void __flush_addrs(struct list_head *list)
cur = list_entry(list->next,
struct mptcp_pm_addr_entry, list);
list_del_rcu(&cur->list);
- mptcp_pm_free_addr_entry(cur);
+ __mptcp_pm_release_addr_entry(cur);
}
}
@@ -1491,6 +1469,7 @@ static int mptcp_nl_cmd_flush_addrs(struct sk_buff *skb, struct genl_info *info)
bitmap_zero(pernet->id_bitmap, MAX_ADDR_ID + 1);
spin_unlock_bh(&pernet->lock);
mptcp_nl_remove_addrs_list(sock_net(skb->sk), &free_list);
+ synchronize_rcu();
__flush_addrs(&free_list);
return 0;
}
@@ -2102,7 +2081,8 @@ static void __net_exit pm_nl_exit_net(struct list_head *net_list)
struct pm_nl_pernet *pernet = net_generic(net, pm_nl_pernet_id);
/* net is removed from namespace list, can't race with
- * other modifiers
+ * other modifiers, also netns core already waited for a
+ * RCU grace period.
*/
__flush_addrs(&pernet->local_addr_list);
}
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 88deb5b..cf2ce58 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -507,6 +507,7 @@ void ovs_vport_send(struct vport *vport, struct sk_buff *skb, u8 mac_proto)
}
skb->dev = vport->dev;
+ skb->tstamp = 0;
vport->ops->send(skb);
return;
diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c
index 9b6ffff..28c1b00 100644
--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -131,9 +131,9 @@ static int rds_ib_post_reg_frmr(struct rds_ib_mr *ibmr)
cpu_relax();
}
- ret = ib_map_mr_sg_zbva(frmr->mr, ibmr->sg, ibmr->sg_len,
+ ret = ib_map_mr_sg_zbva(frmr->mr, ibmr->sg, ibmr->sg_dma_len,
&off, PAGE_SIZE);
- if (unlikely(ret != ibmr->sg_len))
+ if (unlikely(ret != ibmr->sg_dma_len))
return ret < 0 ? ret : -EINVAL;
if (cmpxchg(&frmr->fr_state,
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index ecc5c4d..3c2300d 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -720,7 +720,7 @@ static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb,
skip_hash:
if (flow_override)
flow_hash = flow_override - 1;
- else if (use_skbhash)
+ else if (use_skbhash && (flow_mode & CAKE_FLOW_FLOWS))
flow_hash = skb->hash;
if (host_override) {
dsthost_hash = host_override - 1;
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index b15b2b1..e3105ba 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1518,7 +1518,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
if (unlikely(syn && !rc)) {
tipc_set_sk_state(sk, TIPC_CONNECTING);
- if (timeout) {
+ if (dlen && timeout) {
timeout = msecs_to_jiffies(timeout);
tipc_wait_for_connect(sock, &timeout);
}
diff --git a/sound/firewire/oxfw/oxfw-stream.c b/sound/firewire/oxfw/oxfw-stream.c
index 0ef242f..fff18b5 100644
--- a/sound/firewire/oxfw/oxfw-stream.c
+++ b/sound/firewire/oxfw/oxfw-stream.c
@@ -153,7 +153,7 @@ static int init_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
struct cmp_connection *conn;
enum cmp_direction c_dir;
enum amdtp_stream_direction s_dir;
- unsigned int flags = CIP_UNAWARE_SYT;
+ unsigned int flags = 0;
int err;
if (!(oxfw->quirks & SND_OXFW_QUIRK_BLOCKING_TRANSMISSION))
@@ -161,6 +161,13 @@ static int init_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
else
flags |= CIP_BLOCKING;
+ // OXFW 970/971 has no function to generate playback timing according to the sequence
+ // of value in syt field, thus the packet should include NO_INFO value in the field.
+ // However, some models just ignore data blocks in packet with NO_INFO for audio data
+ // processing.
+ if (!(oxfw->quirks & SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET))
+ flags |= CIP_UNAWARE_SYT;
+
if (stream == &oxfw->tx_stream) {
conn = &oxfw->out_conn;
c_dir = CMP_OUTPUT;
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 84971d7..cb5b5e3 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -159,8 +159,10 @@ static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id
return snd_oxfw_scs1x_add(oxfw);
}
- if (entry->vendor_id == OUI_APOGEE && entry->model_id == MODEL_DUET_FW)
- oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
+ if (entry->vendor_id == OUI_APOGEE && entry->model_id == MODEL_DUET_FW) {
+ oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION |
+ SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET;
+ }
/*
* TASCAM FireOne has physical control and requires a pair of additional
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
index ee47abc..c13034f 100644
--- a/sound/firewire/oxfw/oxfw.h
+++ b/sound/firewire/oxfw/oxfw.h
@@ -42,6 +42,11 @@ enum snd_oxfw_quirk {
SND_OXFW_QUIRK_BLOCKING_TRANSMISSION = 0x04,
// Stanton SCS1.d and SCS1.m support unique transaction.
SND_OXFW_QUIRK_SCS_TRANSACTION = 0x08,
+ // Apogee Duet FireWire ignores data blocks in packet with NO_INFO for audio data
+ // processing, while output level meter moves. Any value in syt field of packet takes
+ // the device to process audio data even if the value is invalid in a point of
+ // IEC 61883-1/6.
+ SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET = 0x10,
};
/* This is an arbitrary number for convinience. */
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index e97d005..481d8f8 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -3460,7 +3460,7 @@ static int cap_put_caller(struct snd_kcontrol *kcontrol,
struct hda_gen_spec *spec = codec->spec;
const struct hda_input_mux *imux;
struct nid_path *path;
- int i, adc_idx, err = 0;
+ int i, adc_idx, ret, err = 0;
imux = &spec->input_mux;
adc_idx = kcontrol->id.index;
@@ -3470,9 +3470,13 @@ static int cap_put_caller(struct snd_kcontrol *kcontrol,
if (!path || !path->ctls[type])
continue;
kcontrol->private_value = path->ctls[type];
- err = func(kcontrol, ucontrol);
- if (err < 0)
+ ret = func(kcontrol, ucontrol);
+ if (ret < 0) {
+ err = ret;
break;
+ }
+ if (ret > 0)
+ err = 1;
}
mutex_unlock(&codec->control_mutex);
if (err >= 0 && spec->cap_sync_hook)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0322b28..0062c18 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -883,10 +883,11 @@ static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)
return azx_get_pos_posbuf(chip, azx_dev);
}
-static void azx_shutdown_chip(struct azx *chip)
+static void __azx_shutdown_chip(struct azx *chip, bool skip_link_reset)
{
azx_stop_chip(chip);
- azx_enter_link_reset(chip);
+ if (!skip_link_reset)
+ azx_enter_link_reset(chip);
azx_clear_irq_pending(chip);
display_power(chip, false);
}
@@ -895,6 +896,11 @@ static void azx_shutdown_chip(struct azx *chip)
static DEFINE_MUTEX(card_list_lock);
static LIST_HEAD(card_list);
+static void azx_shutdown_chip(struct azx *chip)
+{
+ __azx_shutdown_chip(chip, false);
+}
+
static void azx_add_card_list(struct azx *chip)
{
struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
@@ -2385,7 +2391,7 @@ static void azx_shutdown(struct pci_dev *pci)
return;
chip = card->private_data;
if (chip && chip->running)
- azx_shutdown_chip(chip);
+ __azx_shutdown_chip(chip, true);
}
/* PCI IDs */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a065260..96f32ea 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8332,6 +8332,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0a2e, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1028, 0x0a30, "Dell", ALC236_FIXUP_DELL_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1028, 0x0a58, "Dell", ALC255_FIXUP_DELL_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1028, 0x0a61, "Dell XPS 15 9510", ALC289_FIXUP_DUAL_SPK),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index a5c1a2c..773a136 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1041,6 +1041,7 @@ static const struct hda_fixup via_fixups[] = {
};
static const struct snd_pci_quirk vt2002p_fixups[] = {
+ SND_PCI_QUIRK(0x1043, 0x13f7, "Asus B23E", VIA_FIXUP_POWER_SAVE),
SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75),
SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST),
SND_PCI_QUIRK_VENDOR(0x1558, "Clevo", VIA_FIXUP_POWER_SAVE),
diff --git a/tools/io_uring/io_uring-cp.c b/tools/io_uring/io_uring-cp.c
index 8146181..d9bd6f5 100644
--- a/tools/io_uring/io_uring-cp.c
+++ b/tools/io_uring/io_uring-cp.c
@@ -131,8 +131,7 @@ static int copy_file(struct io_uring *ring, off_t insize)
writes = reads = offset = 0;
while (insize || write_left) {
- unsigned long had_reads;
- int got_comp;
+ int had_reads, got_comp;
/*
* Queue up as many reads as we can
@@ -174,8 +173,13 @@ static int copy_file(struct io_uring *ring, off_t insize)
if (!got_comp) {
ret = io_uring_wait_cqe(ring, &cqe);
got_comp = 1;
- } else
+ } else {
ret = io_uring_peek_cqe(ring, &cqe);
+ if (ret == -EAGAIN) {
+ cqe = NULL;
+ ret = 0;
+ }
+ }
if (ret < 0) {
fprintf(stderr, "io_uring_peek_cqe: %s\n",
strerror(-ret));
@@ -194,7 +198,7 @@ static int copy_file(struct io_uring *ring, off_t insize)
fprintf(stderr, "cqe failed: %s\n",
strerror(-cqe->res));
return 1;
- } else if ((size_t) cqe->res != data->iov.iov_len) {
+ } else if (cqe->res != data->iov.iov_len) {
/* Short read/write, adjust and requeue */
data->iov.iov_base += cqe->res;
data->iov.iov_len -= cqe->res;
@@ -221,6 +225,25 @@ static int copy_file(struct io_uring *ring, off_t insize)
}
}
+ /* wait out pending writes */
+ while (writes) {
+ struct io_data *data;
+
+ ret = io_uring_wait_cqe(ring, &cqe);
+ if (ret) {
+ fprintf(stderr, "wait_cqe=%d\n", ret);
+ return 1;
+ }
+ if (cqe->res < 0) {
+ fprintf(stderr, "write res=%d\n", cqe->res);
+ return 1;
+ }
+ data = io_uring_cqe_get_data(cqe);
+ free(data);
+ writes--;
+ io_uring_cqe_seen(ring, cqe);
+ }
+
return 0;
}
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index 54f367c..b1bff5f 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -434,7 +434,7 @@ static int nd_intel_test_finish_query(struct nfit_test *t,
dev_dbg(dev, "%s: transition out verify\n", __func__);
fw->state = FW_STATE_UPDATED;
fw->missed_activate = false;
- /* fall through */
+ fallthrough;
case FW_STATE_UPDATED:
nd_cmd->status = 0;
/* bogus test version */
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c
index 2c8935b..ee45432 100644
--- a/tools/testing/selftests/bpf/verifier/dead_code.c
+++ b/tools/testing/selftests/bpf/verifier/dead_code.c
@@ -159,3 +159,15 @@
.result = ACCEPT,
.retval = 2,
},
+{
+ "dead code: zero extension",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4),
+ BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -4),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+},
diff --git a/tools/testing/selftests/sgx/sigstruct.c b/tools/testing/selftests/sgx/sigstruct.c
index dee7a3d..92bbc5a 100644
--- a/tools/testing/selftests/sgx/sigstruct.c
+++ b/tools/testing/selftests/sgx/sigstruct.c
@@ -55,10 +55,27 @@ static bool alloc_q1q2_ctx(const uint8_t *s, const uint8_t *m,
return true;
}
+static void reverse_bytes(void *data, int length)
+{
+ int i = 0;
+ int j = length - 1;
+ uint8_t temp;
+ uint8_t *ptr = data;
+
+ while (i < j) {
+ temp = ptr[i];
+ ptr[i] = ptr[j];
+ ptr[j] = temp;
+ i++;
+ j--;
+ }
+}
+
static bool calc_q1q2(const uint8_t *s, const uint8_t *m, uint8_t *q1,
uint8_t *q2)
{
struct q1q2_ctx ctx;
+ int len;
if (!alloc_q1q2_ctx(s, m, &ctx)) {
fprintf(stderr, "Not enough memory for Q1Q2 calculation\n");
@@ -89,8 +106,10 @@ static bool calc_q1q2(const uint8_t *s, const uint8_t *m, uint8_t *q1,
goto out;
}
- BN_bn2bin(ctx.q1, q1);
- BN_bn2bin(ctx.q2, q2);
+ len = BN_bn2bin(ctx.q1, q1);
+ reverse_bytes(q1, len);
+ len = BN_bn2bin(ctx.q2, q2);
+ reverse_bytes(q2, len);
free_q1q2_ctx(&ctx);
return true;
@@ -152,22 +171,6 @@ static RSA *gen_sign_key(void)
return key;
}
-static void reverse_bytes(void *data, int length)
-{
- int i = 0;
- int j = length - 1;
- uint8_t temp;
- uint8_t *ptr = data;
-
- while (i < j) {
- temp = ptr[i];
- ptr[i] = ptr[j];
- ptr[j] = temp;
- i++;
- j--;
- }
-}
-
enum mrtags {
MRECREATE = 0x0045544145524345,
MREADD = 0x0000000044444145,
@@ -367,8 +370,6 @@ bool encl_measure(struct encl *encl)
/* BE -> LE */
reverse_bytes(sigstruct->signature, SGX_MODULUS_SIZE);
reverse_bytes(sigstruct->modulus, SGX_MODULUS_SIZE);
- reverse_bytes(sigstruct->q1, SGX_MODULUS_SIZE);
- reverse_bytes(sigstruct->q2, SGX_MODULUS_SIZE);
EVP_MD_CTX_destroy(ctx);
RSA_free(key);
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
index b587b9a..0d7bbe4 100644
--- a/tools/virtio/Makefile
+++ b/tools/virtio/Makefile
@@ -4,7 +4,8 @@
virtio_test: virtio_ring.o virtio_test.o
vringh_test: vringh_test.o vringh.o virtio_ring.o
-CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h
+CFLAGS += -g -O2 -Werror -Wno-maybe-uninitialized -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h
+LDFLAGS += -lpthread
vpath %.c ../../drivers/virtio ../../drivers/vhost
mod:
${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
diff --git a/tools/virtio/linux/spinlock.h b/tools/virtio/linux/spinlock.h
new file mode 100644
index 0000000..028e3cd
--- /dev/null
+++ b/tools/virtio/linux/spinlock.h
@@ -0,0 +1,56 @@
+#ifndef SPINLOCK_H_STUB
+#define SPINLOCK_H_STUB
+
+#include <pthread.h>
+
+typedef pthread_spinlock_t spinlock_t;
+
+static inline void spin_lock_init(spinlock_t *lock)
+{
+ int r = pthread_spin_init(lock, 0);
+ assert(!r);
+}
+
+static inline void spin_lock(spinlock_t *lock)
+{
+ int ret = pthread_spin_lock(lock);
+ assert(!ret);
+}
+
+static inline void spin_unlock(spinlock_t *lock)
+{
+ int ret = pthread_spin_unlock(lock);
+ assert(!ret);
+}
+
+static inline void spin_lock_bh(spinlock_t *lock)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_bh(spinlock_t *lock)
+{
+ spin_unlock(lock);
+}
+
+static inline void spin_lock_irq(spinlock_t *lock)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_irq(spinlock_t *lock)
+{
+ spin_unlock(lock);
+}
+
+static inline void spin_lock_irqsave(spinlock_t *lock, unsigned long f)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long f)
+{
+ spin_unlock(lock);
+}
+
+#endif
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 5d90254..363b982 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -3,6 +3,7 @@
#define LINUX_VIRTIO_H
#include <linux/scatterlist.h>
#include <linux/kernel.h>
+#include <linux/spinlock.h>
struct device {
void *parent;
@@ -12,6 +13,7 @@ struct virtio_device {
struct device dev;
u64 features;
struct list_head vqs;
+ spinlock_t vqs_list_lock;
};
struct virtqueue {