Linux 5.14.4

index 0ca72f5cda41..5d1fc9c4bca5 100644
@@ -15,6 +15,7 @@
 #include <linux/fs.h>
 #include <linux/mman.h>
 #include <linux/sched.h>
+#include <linux/kmemleak.h>
 #include <linux/kvm.h>
 #include <linux/kvm_irqfd.h>
 #include <linux/irqbypass.h>

@@ -1986,6 +1987,12 @@ static int finalize_hyp_mode(void)
 	if (ret)
 		return ret;
 
+	/*
+	 * Exclude HYP BSS from kmemleak so that it doesn't get peeked
+	 * at, which would end badly once the section is inaccessible.
+	 * None of other sections should ever be introspected.
+	 */
+	kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start);
 	ret = pkvm_mark_hyp_section(__hyp_bss);
 	if (ret)
 		return ret;

index 2c580204f1dc..95a18cec14a3 100644
@@ -60,6 +60,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
 		u32 val = cpuif->vgic_lr[lr];
 		u32 cpuid, intid = val & GICH_LR_VIRTUALID;
 		struct vgic_irq *irq;
+		bool deactivated;
 
 		/* Extract the source vCPU id from the LR */
 		cpuid = val & GICH_LR_PHYSID_CPUID;

@@ -75,7 +76,8 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
 
 		raw_spin_lock(&irq->irq_lock);
 
-		/* Always preserve the active bit */
+		/* Always preserve the active bit, note deactivation */
+		deactivated = irq->active && !(val & GICH_LR_ACTIVE_BIT);
 		irq->active = !!(val & GICH_LR_ACTIVE_BIT);
 
 		if (irq->active && vgic_irq_is_sgi(intid))

@@ -96,36 +98,8 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
 		if (irq->config == VGIC_CONFIG_LEVEL && !(val & GICH_LR_STATE))
 			irq->pending_latch = false;
 
-		/*
-		 * Level-triggered mapped IRQs are special because we only
-		 * observe rising edges as input to the VGIC.
-		 *
-		 * If the guest never acked the interrupt we have to sample
-		 * the physical line and set the line level, because the
-		 * device state could have changed or we simply need to
-		 * process the still pending interrupt later.
-		 *
-		 * If this causes us to lower the level, we have to also clear
-		 * the physical active state, since we will otherwise never be
-		 * told when the interrupt becomes asserted again.
-		 *
-		 * Another case is when the interrupt requires a helping hand
-		 * on deactivation (no HW deactivation, for example).
-		 */
-		if (vgic_irq_is_mapped_level(irq)) {
-			bool resample = false;
-
-			if (val & GICH_LR_PENDING_BIT) {
-				irq->line_level = vgic_get_phys_line_level(irq);
-				resample = !irq->line_level;
-			} else if (vgic_irq_needs_resampling(irq) &&
-				   !(irq->active || irq->pending_latch)) {
-				resample = true;
-			}
-
-			if (resample)
-				vgic_irq_set_phys_active(irq, false);
-		}
+		/* Handle resampling for mapped interrupts if required */
+		vgic_irq_handle_resampling(irq, deactivated, val & GICH_LR_PENDING_BIT);
 
 		raw_spin_unlock(&irq->irq_lock);
 		vgic_put_irq(vcpu->kvm, irq);

index 66004f61cd83..21a6207fb2ee 100644
@@ -46,6 +46,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
 		u32 intid, cpuid;
 		struct vgic_irq *irq;
 		bool is_v2_sgi = false;
+		bool deactivated;
 
 		cpuid = val & GICH_LR_PHYSID_CPUID;
 		cpuid >>= GICH_LR_PHYSID_CPUID_SHIFT;

@@ -68,7 +69,8 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
 
 		raw_spin_lock(&irq->irq_lock);
 
-		/* Always preserve the active bit */
+		/* Always preserve the active bit, note deactivation */
+		deactivated = irq->active && !(val & ICH_LR_ACTIVE_BIT);
 		irq->active = !!(val & ICH_LR_ACTIVE_BIT);
 
 		if (irq->active && is_v2_sgi)

@@ -89,36 +91,8 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
 		if (irq->config == VGIC_CONFIG_LEVEL && !(val & ICH_LR_STATE))
 			irq->pending_latch = false;
 
-		/*
-		 * Level-triggered mapped IRQs are special because we only
-		 * observe rising edges as input to the VGIC.
-		 *
-		 * If the guest never acked the interrupt we have to sample
-		 * the physical line and set the line level, because the
-		 * device state could have changed or we simply need to
-		 * process the still pending interrupt later.
-		 *
-		 * If this causes us to lower the level, we have to also clear
-		 * the physical active state, since we will otherwise never be
-		 * told when the interrupt becomes asserted again.
-		 *
-		 * Another case is when the interrupt requires a helping hand
-		 * on deactivation (no HW deactivation, for example).
-		 */
-		if (vgic_irq_is_mapped_level(irq)) {
-			bool resample = false;
-
-			if (val & ICH_LR_PENDING_BIT) {
-				irq->line_level = vgic_get_phys_line_level(irq);
-				resample = !irq->line_level;
-			} else if (vgic_irq_needs_resampling(irq) &&
-				   !(irq->active || irq->pending_latch)) {
-				resample = true;
-			}
-
-			if (resample)
-				vgic_irq_set_phys_active(irq, false);
-		}
+		/* Handle resampling for mapped interrupts if required */
+		vgic_irq_handle_resampling(irq, deactivated, val & ICH_LR_PENDING_BIT);
 
 		raw_spin_unlock(&irq->irq_lock);
 		vgic_put_irq(vcpu->kvm, irq);

index 111bff47e471..42a6ac78fe95 100644
@@ -1022,3 +1022,41 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid)
 
 	return map_is_active;
 }
+
+/*
+ * Level-triggered mapped IRQs are special because we only observe rising
+ * edges as input to the VGIC.
+ *
+ * If the guest never acked the interrupt we have to sample the physical
+ * line and set the line level, because the device state could have changed
+ * or we simply need to process the still pending interrupt later.
+ *
+ * We could also have entered the guest with the interrupt active+pending.
+ * On the next exit, we need to re-evaluate the pending state, as it could
+ * otherwise result in a spurious interrupt by injecting a now potentially
+ * stale pending state.
+ *
+ * If this causes us to lower the level, we have to also clear the physical
+ * active state, since we will otherwise never be told when the interrupt
+ * becomes asserted again.
+ *
+ * Another case is when the interrupt requires a helping hand on
+ * deactivation (no HW deactivation, for example).
+ */
+void vgic_irq_handle_resampling(struct vgic_irq *irq,
+				bool lr_deactivated, bool lr_pending)
+{
+	if (vgic_irq_is_mapped_level(irq)) {
+		bool resample = false;
+
+		if (unlikely(vgic_irq_needs_resampling(irq))) {
+			resample = !(irq->active || irq->pending_latch);
+		} else if (lr_pending || (lr_deactivated && irq->line_level)) {
+			irq->line_level = vgic_get_phys_line_level(irq);
+			resample = !irq->line_level;
+		}
+
+		if (resample)
+			vgic_irq_set_phys_active(irq, false);
+	}
+}

index dc1f3d1657ee..14a9218641f5 100644
@@ -169,6 +169,8 @@ void vgic_irq_set_phys_active(struct vgic_irq *irq, bool active);
 bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
 			   unsigned long flags);
 void vgic_kick_vcpus(struct kvm *kvm);
+void vgic_irq_handle_resampling(struct vgic_irq *irq,
+				bool lr_deactivated, bool lr_pending);
 
 int vgic_check_ioaddr(struct kvm *kvm, phys_addr_t *ioaddr,
 		      phys_addr_t addr, phys_addr_t alignment);

index 2ed841e94111..d03b6c4aa86b 100644
@@ -78,7 +78,7 @@ int clk_enable(struct clk *clk)
 	unsigned long flags;
 
 	if (!clk)
-		return -EINVAL;
+		return 0;
 
 	spin_lock_irqsave(&clk_lock, flags);
 	if ((clk->enabled++ == 0) && clk->clk_ops)

index d2875e32abfc..79e55421cfb1 100644
@@ -254,8 +254,8 @@ static void __exit nfeth_cleanup(void)
 
 	for (i = 0; i < MAX_UNIT; i++) {
 		if (nfeth_dev[i]) {
-			unregister_netdev(nfeth_dev[0]);
-			free_netdev(nfeth_dev[0]);
+			unregister_netdev(nfeth_dev[i]);
+			free_netdev(nfeth_dev[i]);
 		}
 	}
 	free_irq(nfEtherIRQ, nfeth_interrupt);

index 8637bf8a2f65..cfba83d230fd 100644
@@ -48,7 +48,7 @@ static inline int arch_atomic_##op##_return(int i, atomic_t *v)		\
 			"	casl %2,%1,%0\n"			\
 			"	jne 1b"					\
 			: "+m" (*v), "=&d" (t), "=&d" (tmp)		\
-			: "g" (i), "2" (arch_atomic_read(v)));		\
+			: "di" (i), "2" (arch_atomic_read(v)));		\
 	return t;							\
 }
 

@@ -63,7 +63,7 @@ static inline int arch_atomic_fetch_##op(int i, atomic_t *v)		\
 			"	casl %2,%1,%0\n"			\
 			"	jne 1b"					\
 			: "+m" (*v), "=&d" (t), "=&d" (tmp)		\
-			: "g" (i), "2" (arch_atomic_read(v)));		\
+			: "di" (i), "2" (arch_atomic_read(v)));		\
 	return tmp;							\
 }
 

index 2d395998f524..7ee49f5881d1 100644
@@ -26,7 +26,7 @@
 extern char input_data[];
 extern int input_len;
 /* output_len is inserted by the linker possibly at an unaligned address */
-extern __le32 output_len __aligned(1);
+extern char output_len;
 extern char _text, _end;
 extern char _bss, _ebss;
 extern char _startcode_end;

index 161a9e12bfb8..630eab0fa176 100644
@@ -957,6 +957,7 @@ struct kvm_arch{
 	atomic64_t cmma_dirty_pages;
 	/* subset of available cpu features enabled by user space */
 	DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS);
+	/* indexed by vcpu_idx */
 	DECLARE_BITMAP(idle_mask, KVM_MAX_VCPUS);
 	struct kvm_s390_gisa_interrupt gisa_int;
 	struct kvm_s390_pv pv;

index 47bde5a20a41..11213c8bfca5 100644
@@ -124,7 +124,8 @@ struct lowcore {
 	/* Restart function and parameter. */
 	__u64	restart_fn;			/* 0x0370 */
 	__u64	restart_data;			/* 0x0378 */
-	__u64	restart_source;			/* 0x0380 */
+	__u32	restart_source;			/* 0x0380 */
+	__u32	restart_flags;			/* 0x0384 */
 
 	/* Address space pointer. */
 	__u64	kernel_asce;			/* 0x0388 */

index ddc7858bbce4..879b8e3f609c 100644
@@ -26,6 +26,8 @@
 #define _CIF_MCCK_GUEST		BIT(CIF_MCCK_GUEST)
 #define _CIF_DEDICATED_CPU	BIT(CIF_DEDICATED_CPU)
 
+#define RESTART_FLAG_CTLREGS	_AC(1 << 0, U)
+
 #ifndef __ASSEMBLY__
 
 #include <linux/cpumask.h>

index 77ff2130cb04..dc53b0452ce2 100644
@@ -116,6 +116,7 @@ int main(void)
 	OFFSET(__LC_RESTART_FN, lowcore, restart_fn);
 	OFFSET(__LC_RESTART_DATA, lowcore, restart_data);
 	OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source);
+	OFFSET(__LC_RESTART_FLAGS, lowcore, restart_flags);
 	OFFSET(__LC_KERNEL_ASCE, lowcore, kernel_asce);
 	OFFSET(__LC_USER_ASCE, lowcore, user_asce);
 	OFFSET(__LC_LPP, lowcore, lpp);

252 lines not on this page · raw message

index 50e2c21e0ec9..911cd3912351 100644
@@ -179,8 +179,6 @@ static inline int __diag308(unsigned long subcode, void *addr)
 
 int diag308(unsigned long subcode, void *addr)
 {
-	if (IS_ENABLED(CONFIG_KASAN))
-		__arch_local_irq_stosm(0x04); /* enable DAT */
 	diag_stat_inc(DIAG_STAT_X308);
 	return __diag308(subcode, addr);
 }

@@ -1843,7 +1841,6 @@ static struct kobj_attribute on_restart_attr = __ATTR_RW(on_restart);
 
 static void __do_restart(void *ignore)
 {
-	__arch_local_irq_stosm(0x04); /* enable DAT */
 	smp_send_stop();
 #ifdef CONFIG_CRASH_DUMP
 	crash_kexec(NULL);

index 1005a6935fbe..c1fbc979e0e8 100644
@@ -263,7 +263,6 @@ static void __do_machine_kexec(void *data)
  */
 static void __machine_kexec(void *data)
 {
-	__arch_local_irq_stosm(0x04); /* enable DAT */
 	pfault_fini();
 	tracing_off();
 	debug_locks_off();

index ff0f9e838916..ee23908f1b96 100644
@@ -421,7 +421,7 @@ static void __init setup_lowcore_dat_off(void)
 	lc->restart_stack = (unsigned long) restart_stack;
 	lc->restart_fn = (unsigned long) do_restart;
 	lc->restart_data = 0;
-	lc->restart_source = -1UL;
+	lc->restart_source = -1U;
 
 	mcck_stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE);
 	if (!mcck_stack)

@@ -450,12 +450,19 @@ static void __init setup_lowcore_dat_off(void)
 
 static void __init setup_lowcore_dat_on(void)
 {
+	struct lowcore *lc = lowcore_ptr[0];
+
 	__ctl_clear_bit(0, 28);
 	S390_lowcore.external_new_psw.mask |= PSW_MASK_DAT;
 	S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT;
 	S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT;
 	S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT;
+	__ctl_store(S390_lowcore.cregs_save_area, 0, 15);
 	__ctl_set_bit(0, 28);
+	mem_assign_absolute(S390_lowcore.restart_flags, RESTART_FLAG_CTLREGS);
+	mem_assign_absolute(S390_lowcore.program_new_psw, lc->program_new_psw);
+	memcpy_absolute(&S390_lowcore.cregs_save_area, lc->cregs_save_area,
+			sizeof(S390_lowcore.cregs_save_area));
 }
 
 static struct resource code_resource = {

index 8984711f72ed..8e8ace899407 100644
@@ -252,6 +252,7 @@ static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu)
 	cpumask_set_cpu(cpu, &init_mm.context.cpu_attach_mask);
 	cpumask_set_cpu(cpu, mm_cpumask(&init_mm));
 	lc->cpu_nr = cpu;
+	lc->restart_flags = RESTART_FLAG_CTLREGS;
 	lc->spinlock_lockval = arch_spin_lockval(cpu);
 	lc->spinlock_index = 0;
 	lc->percpu_offset = __per_cpu_offset[cpu];

@@ -297,7 +298,7 @@ static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data)
 	lc->restart_stack = lc->nodat_stack;
 	lc->restart_fn = (unsigned long) func;
 	lc->restart_data = (unsigned long) data;
-	lc->restart_source = -1UL;
+	lc->restart_source = -1U;
 	pcpu_sigp_retry(pcpu, SIGP_RESTART, 0);
 }
 

@@ -311,12 +312,12 @@ static void __pcpu_delegate(pcpu_delegate_fn *func, void *data)
 	func(data);	/* should not return */
 }
 
-static void __no_sanitize_address pcpu_delegate(struct pcpu *pcpu,
-						pcpu_delegate_fn *func,
-						void *data, unsigned long stack)
+static void pcpu_delegate(struct pcpu *pcpu,
+			  pcpu_delegate_fn *func,
+			  void *data, unsigned long stack)
 {
 	struct lowcore *lc = lowcore_ptr[pcpu - pcpu_devices];
-	unsigned long source_cpu = stap();
+	unsigned int source_cpu = stap();
 
 	__load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT);
 	if (pcpu->address == source_cpu) {

@@ -569,6 +570,9 @@ static void smp_ctl_bit_callback(void *info)
 	__ctl_load(cregs, 0, 15);
 }
 
+static DEFINE_SPINLOCK(ctl_lock);
+static unsigned long ctlreg;
+
 /*
  * Set a bit in a control register of all cpus
  */

@@ -576,6 +580,11 @@ void smp_ctl_set_bit(int cr, int bit)
 {
 	struct ec_creg_mask_parms parms = { 1UL << bit, -1UL, cr };
 
+	spin_lock(&ctl_lock);
+	memcpy_absolute(&ctlreg, &S390_lowcore.cregs_save_area[cr], sizeof(ctlreg));
+	__set_bit(bit, &ctlreg);
+	memcpy_absolute(&S390_lowcore.cregs_save_area[cr], &ctlreg, sizeof(ctlreg));
+	spin_unlock(&ctl_lock);
 	on_each_cpu(smp_ctl_bit_callback, &parms, 1);
 }
 EXPORT_SYMBOL(smp_ctl_set_bit);

@@ -587,6 +596,11 @@ void smp_ctl_clear_bit(int cr, int bit)
 {
 	struct ec_creg_mask_parms parms = { 0, ~(1UL << bit), cr };
 
+	spin_lock(&ctl_lock);
+	memcpy_absolute(&ctlreg, &S390_lowcore.cregs_save_area[cr], sizeof(ctlreg));
+	__clear_bit(bit, &ctlreg);
+	memcpy_absolute(&S390_lowcore.cregs_save_area[cr], &ctlreg, sizeof(ctlreg));
+	spin_unlock(&ctl_lock);
 	on_each_cpu(smp_ctl_bit_callback, &parms, 1);
 }
 EXPORT_SYMBOL(smp_ctl_clear_bit);

@@ -895,14 +909,13 @@ static void smp_init_secondary(void)
 /*
  *	Activate a secondary processor.
  */
-static void __no_sanitize_address smp_start_secondary(void *cpuvoid)
+static void smp_start_secondary(void *cpuvoid)
 {
 	S390_lowcore.restart_stack = (unsigned long) restart_stack;
 	S390_lowcore.restart_fn = (unsigned long) do_restart;
 	S390_lowcore.restart_data = 0;
-	S390_lowcore.restart_source = -1UL;
-	__ctl_load(S390_lowcore.cregs_save_area, 0, 15);
-	__load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT);
+	S390_lowcore.restart_source = -1U;
+	S390_lowcore.restart_flags = 0;
 	call_on_stack_noreturn(smp_init_secondary, S390_lowcore.kernel_stack);
 }
 

index d548d60caed2..16256e17a544 100644
@@ -419,13 +419,13 @@ static unsigned long deliverable_irqs(struct kvm_vcpu *vcpu)
 static void __set_cpu_idle(struct kvm_vcpu *vcpu)
 {
 	kvm_s390_set_cpuflags(vcpu, CPUSTAT_WAIT);
-	set_bit(vcpu->vcpu_id, vcpu->kvm->arch.idle_mask);
+	set_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask);
 }
 
 static void __unset_cpu_idle(struct kvm_vcpu *vcpu)
 {
 	kvm_s390_clear_cpuflags(vcpu, CPUSTAT_WAIT);
-	clear_bit(vcpu->vcpu_id, vcpu->kvm->arch.idle_mask);
+	clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask);
 }
 
 static void __reset_intercept_indicators(struct kvm_vcpu *vcpu)

@@ -3050,18 +3050,18 @@ int kvm_s390_get_irq_state(struct kvm_vcpu *vcpu, __u8 __user *buf, int len)
 
 static void __airqs_kick_single_vcpu(struct kvm *kvm, u8 deliverable_mask)
 {
-	int vcpu_id, online_vcpus = atomic_read(&kvm->online_vcpus);
+	int vcpu_idx, online_vcpus = atomic_read(&kvm->online_vcpus);
 	struct kvm_s390_gisa_interrupt *gi = &kvm->arch.gisa_int;
 	struct kvm_vcpu *vcpu;
 
-	for_each_set_bit(vcpu_id, kvm->arch.idle_mask, online_vcpus) {
-		vcpu = kvm_get_vcpu(kvm, vcpu_id);
+	for_each_set_bit(vcpu_idx, kvm->arch.idle_mask, online_vcpus) {
+		vcpu = kvm_get_vcpu(kvm, vcpu_idx);
 		if (psw_ioint_disabled(vcpu))
 			continue;
 		deliverable_mask &= (u8)(vcpu->arch.sie_block->gcr[6] >> 24);
 		if (deliverable_mask) {
 			/* lately kicked but not yet running */
-			if (test_and_set_bit(vcpu_id, gi->kicked_mask))
+			if (test_and_set_bit(vcpu_idx, gi->kicked_mask))
 				return;
 			kvm_s390_vcpu_wakeup(vcpu);
 			return;

index 4527ac7b5961..8580543c5bc3 100644
@@ -4044,7 +4044,7 @@ static int vcpu_pre_run(struct kvm_vcpu *vcpu)
 		kvm_s390_patch_guest_per_regs(vcpu);
 	}
 
-	clear_bit(vcpu->vcpu_id, vcpu->kvm->arch.gisa_int.kicked_mask);
+	clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.gisa_int.kicked_mask);
 
 	vcpu->arch.sie_block->icptcode = 0;
 	cpuflags = atomic_read(&vcpu->arch.sie_block->cpuflags);

index 9fad25109b0d..ecd741ee3276 100644
@@ -79,7 +79,7 @@ static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu)
 
 static inline int is_vcpu_idle(struct kvm_vcpu *vcpu)
 {
-	return test_bit(vcpu->vcpu_id, vcpu->kvm->arch.idle_mask);
+	return test_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask);
 }
 
 static inline int kvm_is_ucontrol(struct kvm *kvm)

56 lines not on this page · raw message

index 8fcb7ecb7225..77cd965cffef 100644
@@ -661,9 +661,10 @@ int zpci_enable_device(struct zpci_dev *zdev)
 {
 	int rc;
 
-	rc = clp_enable_fh(zdev, ZPCI_NR_DMA_SPACES);
-	if (rc)
+	if (clp_enable_fh(zdev, ZPCI_NR_DMA_SPACES)) {
+		rc = -EIO;
 		goto out;
+	}
 
 	rc = zpci_dma_init_device(zdev);
 	if (rc)

@@ -684,7 +685,7 @@ int zpci_disable_device(struct zpci_dev *zdev)
 	 * The zPCI function may already be disabled by the platform, this is
 	 * detected in clp_disable_fh() which becomes a no-op.
 	 */
-	return clp_disable_fh(zdev);
+	return clp_disable_fh(zdev) ? -EIO : 0;
 }
 
 /**

index d3331596ddbe..0a0e8b8293be 100644
@@ -213,15 +213,19 @@ int clp_query_pci_fn(struct zpci_dev *zdev)
 }
 
 static int clp_refresh_fh(u32 fid);
-/*
- * Enable/Disable a given PCI function and update its function handle if
- * necessary
+/**
+ * clp_set_pci_fn() - Execute a command on a PCI function
+ * @zdev: Function that will be affected
+ * @nr_dma_as: DMA address space number
+ * @command: The command code to execute
+ *
+ * Returns: 0 on success, < 0 for Linux errors (e.g. -ENOMEM), and
+ * > 0 for non-success platform responses
  */
 static int clp_set_pci_fn(struct zpci_dev *zdev, u8 nr_dma_as, u8 command)
 {
 	struct clp_req_rsp_set_pci *rrb;
 	int rc, retries = 100;
-	u32 fid = zdev->fid;
 
 	rrb = clp_alloc_block(GFP_KERNEL);
 	if (!rrb)

@@ -245,17 +249,16 @@ static int clp_set_pci_fn(struct zpci_dev *zdev, u8 nr_dma_as, u8 command)
 		}
 	} while (rrb->response.hdr.rsp == CLP_RC_SETPCIFN_BUSY);
 
-	if (rc || rrb->response.hdr.rsp != CLP_RC_OK) {
-		zpci_err("Set PCI FN:\n");
-		zpci_err_clp(rrb->response.hdr.rsp, rc);
-	}
-
 	if (!rc && rrb->response.hdr.rsp == CLP_RC_OK) {
 		zdev->fh = rrb->response.fh;
-	} else if (!rc && rrb->response.hdr.rsp == CLP_RC_SETPCIFN_ALRDY &&
-			rrb->response.fh == 0) {
+	} else if (!rc && rrb->response.hdr.rsp == CLP_RC_SETPCIFN_ALRDY) {
 		/* Function is already in desired state - update handle */
-		rc = clp_refresh_fh(fid);
+		rc = clp_refresh_fh(zdev->fid);
+	} else {
+		zpci_err("Set PCI FN:\n");
+		zpci_err_clp(rrb->response.hdr.rsp, rc);
+		if (!rc)
+			rc = rrb->response.hdr.rsp;
 	}
 	clp_free_block(rrb);
 	return rc;

@@ -301,17 +304,13 @@ int clp_enable_fh(struct zpci_dev *zdev, u8 nr_dma_as)
 
 	rc = clp_set_pci_fn(zdev, nr_dma_as, CLP_SET_ENABLE_PCI_FN);
 	zpci_dbg(3, "ena fid:%x, fh:%x, rc:%d\n", zdev->fid, zdev->fh, rc);
-	if (rc)
-		goto out;
-
-	if (zpci_use_mio(zdev)) {
+	if (!rc && zpci_use_mio(zdev)) {
 		rc = clp_set_pci_fn(zdev, nr_dma_as, CLP_SET_ENABLE_MIO);
 		zpci_dbg(3, "ena mio fid:%x, fh:%x, rc:%d\n",
 				zdev->fid, zdev->fh, rc);
 		if (rc)
 			clp_disable_fh(zdev);
 	}
-out:
 	return rc;
 }
 

index 2144e54a6c89..388643ca2177 100644
@@ -849,6 +849,8 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt)
 		return -EINVAL;
 
 	err = skcipher_walk_virt(&walk, req, false);
+	if (err)
+		return err;
 
 	if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
 		int blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;

@@ -862,7 +864,10 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt)
 		skcipher_request_set_crypt(&subreq, req->src, req->dst,
 					   blocks * AES_BLOCK_SIZE, req->iv);
 		req = &subreq;
+
 		err = skcipher_walk_virt(&walk, req, false);
+		if (err)
+			return err;
 	} else {
 		tail = 0;
 	}

index c682b09b18fa..482a9931d1e6 100644
@@ -3838,26 +3838,32 @@ pmu_iio_set_mapping(struct intel_uncore_type *type, struct attribute_group *ag)
 	return ret;
 }
 
-static int skx_iio_set_mapping(struct intel_uncore_type *type)
-{
-	return pmu_iio_set_mapping(type, &skx_iio_mapping_group);
-}
-
-static void skx_iio_cleanup_mapping(struct intel_uncore_type *type)
+static void
+pmu_iio_cleanup_mapping(struct intel_uncore_type *type, struct attribute_group *ag)
 {
-	struct attribute **attr = skx_iio_mapping_group.attrs;
+	struct attribute **attr = ag->attrs;
 
 	if (!attr)
 		return;
 
 	for (; *attr; attr++)
 		kfree((*attr)->name);
-	kfree(attr_to_ext_attr(*skx_iio_mapping_group.attrs));
-	kfree(skx_iio_mapping_group.attrs);
-	skx_iio_mapping_group.attrs = NULL;
+	kfree(attr_to_ext_attr(*ag->attrs));
+	kfree(ag->attrs);
+	ag->attrs = NULL;
 	kfree(type->topology);
 }
 
+static int skx_iio_set_mapping(struct intel_uncore_type *type)
+{
+	return pmu_iio_set_mapping(type, &skx_iio_mapping_group);
+}
+
+static void skx_iio_cleanup_mapping(struct intel_uncore_type *type)
+{
+	pmu_iio_cleanup_mapping(type, &skx_iio_mapping_group);
+}
+
 static struct intel_uncore_type skx_uncore_iio = {
 	.name			= "iio",
 	.num_counters		= 4,

@@ -4501,6 +4507,11 @@ static int snr_iio_set_mapping(struct intel_uncore_type *type)
 	return pmu_iio_set_mapping(type, &snr_iio_mapping_group);
 }
 
+static void snr_iio_cleanup_mapping(struct intel_uncore_type *type)
+{
+	pmu_iio_cleanup_mapping(type, &snr_iio_mapping_group);
+}
+
 static struct intel_uncore_type snr_uncore_iio = {
 	.name			= "iio",
 	.num_counters		= 4,

@@ -4517,7 +4528,7 @@ static struct intel_uncore_type snr_uncore_iio = {
 	.attr_update		= snr_iio_attr_update,
 	.get_topology		= snr_iio_get_topology,
 	.set_mapping		= snr_iio_set_mapping,
-	.cleanup_mapping	= skx_iio_cleanup_mapping,
+	.cleanup_mapping	= snr_iio_cleanup_mapping,
 };
 
 static struct intel_uncore_type snr_uncore_irp = {

@@ -5092,6 +5103,11 @@ static int icx_iio_set_mapping(struct intel_uncore_type *type)
 	return pmu_iio_set_mapping(type, &icx_iio_mapping_group);
 }
 
+static void icx_iio_cleanup_mapping(struct intel_uncore_type *type)
+{
+	pmu_iio_cleanup_mapping(type, &icx_iio_mapping_group);
+}
+
 static struct intel_uncore_type icx_uncore_iio = {
 	.name			= "iio",
 	.num_counters		= 4,

@@ -5109,7 +5125,7 @@ static struct intel_uncore_type icx_uncore_iio = {
 	.attr_update		= icx_iio_attr_update,
 	.get_topology		= icx_iio_get_topology,
 	.set_mapping		= icx_iio_set_mapping,
-	.cleanup_mapping	= skx_iio_cleanup_mapping,
+	.cleanup_mapping	= icx_iio_cleanup_mapping,
 };
 
 static struct intel_uncore_type icx_uncore_irp = {

index 0607ec4f5091..da9321548f6f 100644
@@ -265,6 +265,7 @@ enum mcp_flags {
 	MCP_TIMESTAMP	= BIT(0),	/* log time stamp */
 	MCP_UC		= BIT(1),	/* log uncorrected errors */
 	MCP_DONTLOG	= BIT(2),	/* only clear, don't log */
+	MCP_QUEUE_LOG	= BIT(3),	/* only queue to genpool */
 };
 bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b);
 

index 22791aadc085..8cb7816d03b4 100644
@@ -817,7 +817,10 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
 		if (mca_cfg.dont_log_ce && !mce_usable_address(&m))
 			goto clear_it;
 
-		mce_log(&m);
+		if (flags & MCP_QUEUE_LOG)
+			mce_gen_pool_add(&m);
+		else
+			mce_log(&m);
 
 clear_it:
 		/*

@@ -1639,10 +1642,12 @@ static void __mcheck_cpu_init_generic(void)
 		m_fl = MCP_DONTLOG;
 
 	/*
-	 * Log the machine checks left over from the previous reset.
+	 * Log the machine checks left over from the previous reset. Log them
+	 * only, do not start processing them. That will happen in mcheck_late_init()
+	 * when all consumers have been registered on the notifier chain.
 	 */
 	bitmap_fill(all_banks, MAX_NR_BANKS);
-	machine_check_poll(MCP_UC | m_fl, &all_banks);
+	machine_check_poll(MCP_UC | MCP_QUEUE_LOG | m_fl, &all_banks);
 
 	cr4_set_bits(X86_CR4_MCE);
 

index 47b765270239..c268fb59f779 100644
@@ -323,12 +323,6 @@ static bool check_mmio_spte(struct kvm_vcpu *vcpu, u64 spte)
 static gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access,
                                   struct x86_exception *exception)
 {
-	/* Check if guest physical address doesn't exceed guest maximum */
-	if (kvm_vcpu_is_illegal_gpa(vcpu, gpa)) {
-		exception->error_code |= PFERR_RSVD_MASK;
-		return UNMAPPED_GVA;
-	}
-
         return gpa;
 }
 

@@ -2852,6 +2846,7 @@ int kvm_mmu_max_mapping_level(struct kvm *kvm,
 			      kvm_pfn_t pfn, int max_level)
 {
 	struct kvm_lpage_info *linfo;
+	int host_level;
 
 	max_level = min(max_level, max_huge_page_level);
 	for ( ; max_level > PG_LEVEL_4K; max_level--) {

@@ -2863,7 +2858,8 @@ int kvm_mmu_max_mapping_level(struct kvm *kvm,
 	if (max_level == PG_LEVEL_4K)
 		return PG_LEVEL_4K;
 
-	return host_pfn_mapping_level(kvm, gfn, pfn, slot);
+	host_level = host_pfn_mapping_level(kvm, gfn, pfn, slot);
+	return min(host_level, max_level);
 }
 
 int kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, gfn_t gfn,

@@ -2887,17 +2883,12 @@ int kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, gfn_t gfn,
 	if (!slot)
 		return PG_LEVEL_4K;
 
-	level = kvm_mmu_max_mapping_level(vcpu->kvm, slot, gfn, pfn, max_level);
-	if (level == PG_LEVEL_4K)
-		return level;
-
-	*req_level = level = min(level, max_level);
-
 	/*
 	 * Enforce the iTLB multihit workaround after capturing the requested
 	 * level, which will be used to do precise, accurate accounting.
 	 */
-	if (huge_page_disallowed)
+	*req_level = level = kvm_mmu_max_mapping_level(vcpu->kvm, slot, gfn, pfn, max_level);
+	if (level == PG_LEVEL_4K || huge_page_disallowed)
 		return PG_LEVEL_4K;
 
 	/*

index d80cb122b5f3..0a1fa42d03aa 100644
@@ -412,6 +412,7 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
 	bool was_leaf = was_present && is_last_spte(old_spte, level);
 	bool is_leaf = is_present && is_last_spte(new_spte, level);
 	bool pfn_changed = spte_to_pfn(old_spte) != spte_to_pfn(new_spte);
+	bool was_large, is_large;
 
 	WARN_ON(level > PT64_ROOT_MAX_LEVEL);
 	WARN_ON(level < PG_LEVEL_4K);

@@ -445,13 +446,6 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
 
 	trace_kvm_tdp_mmu_spte_changed(as_id, gfn, level, old_spte, new_spte);
 
-	if (is_large_pte(old_spte) != is_large_pte(new_spte)) {
-		if (is_large_pte(old_spte))
-			atomic64_sub(1, (atomic64_t*)&kvm->stat.lpages);
-		else
-			atomic64_add(1, (atomic64_t*)&kvm->stat.lpages);
-	}
-
 	/*
 	 * The only times a SPTE should be changed from a non-present to
 	 * non-present state is when an MMIO entry is installed/modified/

@@ -477,6 +471,18 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
 		return;
 	}
 
+	/*
+	 * Update large page stats if a large page is being zapped, created, or
+	 * is replacing an existing shadow page.
+	 */
+	was_large = was_leaf && is_large_pte(old_spte);
+	is_large = is_leaf && is_large_pte(new_spte);
+	if (was_large != is_large) {
+		if (was_large)
+			atomic64_sub(1, (atomic64_t *)&kvm->stat.lpages);
+		else
+			atomic64_add(1, (atomic64_t *)&kvm->stat.lpages);
+	}
 
 	if (was_leaf && is_dirty_spte(old_spte) &&
 	    (!is_present || !is_dirty_spte(new_spte) || pfn_changed))

index b3f77d18eb5a..ac1803dac435 100644
@@ -2223,12 +2223,11 @@ static void prepare_vmcs02_early(struct vcpu_vmx *vmx, struct vmcs12 *vmcs12)
 			 ~PIN_BASED_VMX_PREEMPTION_TIMER);
 
 	/* Posted interrupts setting is only taken from vmcs12.  */
-	if (nested_cpu_has_posted_intr(vmcs12)) {
+	vmx->nested.pi_pending = false;
+	if (nested_cpu_has_posted_intr(vmcs12))
 		vmx->nested.posted_intr_nv = vmcs12->posted_intr_nv;
-		vmx->nested.pi_pending = false;
-	} else {
+	else
 		exec_control &= ~PIN_BASED_POSTED_INTR;
-	}
 	pin_controls_set(vmx, exec_control);
 
 	/*

index 927a552393b9..256f8cab4b8b 100644
@@ -6368,6 +6368,9 @@ static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 
+	if (vmx->emulation_required)
+		return;
+
 	if (vmx->exit_reason.basic == EXIT_REASON_EXTERNAL_INTERRUPT)
 		handle_external_interrupt_irqoff(vcpu);
 	else if (vmx->exit_reason.basic == EXIT_REASON_EXCEPTION_NMI)

index e5d5c5ed7dd4..7ec7c2dce506 100644
@@ -3316,6 +3316,10 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 			if (!msr_info->host_initiated) {
 				s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr;
 				adjust_tsc_offset_guest(vcpu, adj);
+				/* Before back to guest, tsc_timestamp must be adjusted
+				 * as well, otherwise guest's percpu pvclock time could jump.
+				 */
+				kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
 			}
 			vcpu->arch.ia32_tsc_adjust_msr = data;
 		}

index 727955918563..673a634eadd9 100644
@@ -2361,6 +2361,9 @@ static int bfq_request_merge(struct request_queue *q, struct request **req,
 	__rq = bfq_find_rq_fmerge(bfqd, bio, q);
 	if (__rq && elv_bio_merge_ok(__rq, bio)) {
 		*req = __rq;
+
+		if (blk_discard_mergable(__rq))
+			return ELEVATOR_DISCARD_MERGE;
 		return ELEVATOR_FRONT_MERGE;
 	}
 

index 1fab762e079b..d95e3456ba0c 100644
@@ -979,6 +979,14 @@ static int bio_iov_bvec_set_append(struct bio *bio, struct iov_iter *iter)
 	return 0;
 }
 
+static void bio_put_pages(struct page **pages, size_t size, size_t off)
+{
+	size_t i, nr = DIV_ROUND_UP(size + (off & ~PAGE_MASK), PAGE_SIZE);
+
+	for (i = 0; i < nr; i++)
+		put_page(pages[i]);
+}
+
 #define PAGE_PTRS_PER_BVEC     (sizeof(struct bio_vec) / sizeof(struct page *))
 
 /**

@@ -1023,8 +1031,10 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
 			if (same_page)
 				put_page(page);
 		} else {
-			if (WARN_ON_ONCE(bio_full(bio, len)))
-                                return -EINVAL;
+			if (WARN_ON_ONCE(bio_full(bio, len))) {
+				bio_put_pages(pages + i, left, offset);
+				return -EINVAL;
+			}
 			__bio_add_page(bio, page, len, offset);
 		}
 		offset = 0;

@@ -1069,6 +1079,7 @@ static int __bio_iov_append_get_pages(struct bio *bio, struct iov_iter *iter)
 		len = min_t(size_t, PAGE_SIZE - offset, left);
 		if (bio_add_hw_page(q, bio, page, len, offset,
 				max_append_sectors, &same_page) != len) {
+			bio_put_pages(pages + i, left, offset);
 			ret = -EINVAL;
 			break;
 		}

index c5bdaafffa29..103c2e2d50d6 100644
@@ -332,7 +332,7 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
 	if (mode->keysize == 0)
 		return -EINVAL;
 
-	if (dun_bytes == 0 || dun_bytes > BLK_CRYPTO_MAX_IV_SIZE)
+	if (dun_bytes == 0 || dun_bytes > mode->ivsize)
 		return -EINVAL;
 
 	if (!is_power_of_2(data_unit_size))

index a11b3b53717e..eeba8422ae82 100644
@@ -348,6 +348,8 @@ void __blk_queue_split(struct bio **bio, unsigned int *nr_segs)
 		trace_block_split(split, (*bio)->bi_iter.bi_sector);
 		submit_bio_noacct(*bio);
 		*bio = split;
+
+		blk_throtl_charge_bio_split(*bio);
 	}
 }
 

@@ -705,22 +707,6 @@ static void blk_account_io_merge_request(struct request *req)
 	}
 }
 
-/*
- * Two cases of handling DISCARD merge:
- * If max_discard_segments > 1, the driver takes every bio
- * as a range and send them to controller together. The ranges
- * needn't to be contiguous.
- * Otherwise, the bios/requests will be handled as same as
- * others which should be contiguous.
- */
-static inline bool blk_discard_mergable(struct request *req)
-{
-	if (req_op(req) == REQ_OP_DISCARD &&
-	    queue_max_discard_segments(req->q) > 1)
-		return true;
-	return false;
-}
-
 static enum elv_merge blk_try_req_merge(struct request *req,
 					struct request *next)
 {

index b1b22d863bdf..55c49015e533 100644
@@ -178,6 +178,9 @@ struct throtl_grp {
 	unsigned int bad_bio_cnt; /* bios exceeding latency threshold */
 	unsigned long bio_cnt_reset_time;
 
+	atomic_t io_split_cnt[2];
+	atomic_t last_io_split_cnt[2];
+
 	struct blkg_rwstat stat_bytes;
 	struct blkg_rwstat stat_ios;
 };

@@ -777,6 +780,8 @@ static inline void throtl_start_new_slice_with_credit(struct throtl_grp *tg,
 	tg->bytes_disp[rw] = 0;
 	tg->io_disp[rw] = 0;
 
+	atomic_set(&tg->io_split_cnt[rw], 0);
+
 	/*
 	 * Previous slice has expired. We must have trimmed it after last
 	 * bio dispatch. That means since start of last slice, we never used

@@ -799,6 +804,9 @@ static inline void throtl_start_new_slice(struct throtl_grp *tg, bool rw)
 	tg->io_disp[rw] = 0;
 	tg->slice_start[rw] = jiffies;
 	tg->slice_end[rw] = jiffies + tg->td->throtl_slice;
+
+	atomic_set(&tg->io_split_cnt[rw], 0);
+
 	throtl_log(&tg->service_queue,
 		   "[%c] new slice start=%lu end=%lu jiffies=%lu",
 		   rw == READ ? 'R' : 'W', tg->slice_start[rw],

@@ -1031,6 +1039,9 @@ static bool tg_may_dispatch(struct throtl_grp *tg, struct bio *bio,
 				jiffies + tg->td->throtl_slice);
 	}
 
+	if (iops_limit != UINT_MAX)
+		tg->io_disp[rw] += atomic_xchg(&tg->io_split_cnt[rw], 0);
+
 	if (tg_with_in_bps_limit(tg, bio, bps_limit, &bps_wait) &&
 	    tg_with_in_iops_limit(tg, bio, iops_limit, &iops_wait)) {
 		if (wait)

@@ -2052,12 +2063,14 @@ static void throtl_downgrade_check(struct throtl_grp *tg)
 	}
 
 	if (tg->iops[READ][LIMIT_LOW]) {
+		tg->last_io_disp[READ] += atomic_xchg(&tg->last_io_split_cnt[READ], 0);
 		iops = tg->last_io_disp[READ] * HZ / elapsed_time;
 		if (iops >= tg->iops[READ][LIMIT_LOW])
 			tg->last_low_overflow_time[READ] = now;
 	}
 
 	if (tg->iops[WRITE][LIMIT_LOW]) {
+		tg->last_io_disp[WRITE] += atomic_xchg(&tg->last_io_split_cnt[WRITE], 0);
 		iops = tg->last_io_disp[WRITE] * HZ / elapsed_time;
 		if (iops >= tg->iops[WRITE][LIMIT_LOW])
 			tg->last_low_overflow_time[WRITE] = now;

@@ -2176,6 +2189,25 @@ static inline void throtl_update_latency_buckets(struct throtl_data *td)
 }
 #endif
 
+void blk_throtl_charge_bio_split(struct bio *bio)
+{
+	struct blkcg_gq *blkg = bio->bi_blkg;
+	struct throtl_grp *parent = blkg_to_tg(blkg);
+	struct throtl_service_queue *parent_sq;
+	bool rw = bio_data_dir(bio);
+
+	do {
+		if (!parent->has_rules[rw])
+			break;
+
+		atomic_inc(&parent->io_split_cnt[rw]);
+		atomic_inc(&parent->last_io_split_cnt[rw]);
+
+		parent_sq = parent->service_queue.parent_sq;
+		parent = sq_to_tg(parent_sq);
+	} while (parent);
+}
+
 bool blk_throtl_bio(struct bio *bio)
 {
 	struct request_queue *q = bio->bi_bdev->bd_disk->queue;

index cb01429c162c..f10cc9b2c27f 100644
@@ -289,11 +289,13 @@ int create_task_io_context(struct task_struct *task, gfp_t gfp_mask, int node);
 extern int blk_throtl_init(struct request_queue *q);
 extern void blk_throtl_exit(struct request_queue *q);
 extern void blk_throtl_register_queue(struct request_queue *q);
+extern void blk_throtl_charge_bio_split(struct bio *bio);
 bool blk_throtl_bio(struct bio *bio);
 #else /* CONFIG_BLK_DEV_THROTTLING */
 static inline int blk_throtl_init(struct request_queue *q) { return 0; }
 static inline void blk_throtl_exit(struct request_queue *q) { }
 static inline void blk_throtl_register_queue(struct request_queue *q) { }
+static inline void blk_throtl_charge_bio_split(struct bio *bio) { }
 static inline bool blk_throtl_bio(struct bio *bio) { return false; }
 #endif /* CONFIG_BLK_DEV_THROTTLING */
 #ifdef CONFIG_BLK_DEV_THROTTLING_LOW

index 52ada14cfe45..a5fe2615ec0f 100644
@@ -336,6 +336,9 @@ enum elv_merge elv_merge(struct request_queue *q, struct request **req,
 	__rq = elv_rqhash_find(q, bio->bi_iter.bi_sector);
 	if (__rq && elv_bio_merge_ok(__rq, bio)) {
 		*req = __rq;
+
+		if (blk_discard_mergable(__rq))
+			return ELEVATOR_DISCARD_MERGE;
 		return ELEVATOR_BACK_MERGE;
 	}
 

index 36920670dccc..3c3693c34f06 100644
@@ -629,6 +629,8 @@ static int dd_request_merge(struct request_queue *q, struct request **rq,
 
 		if (elv_bio_merge_ok(__rq, bio)) {
 			*rq = __rq;
+			if (blk_discard_mergable(__rq))
+				return ELEVATOR_DISCARD_MERGE;
 			return ELEVATOR_FRONT_MERGE;
 		}
 	}

index a006132646a4..1350e8eb6ac2 100644
@@ -27,6 +27,7 @@
 #define _CRYPTO_ECC_H
 
 #include <crypto/ecc_curve.h>
+#include <asm/unaligned.h>
 
 /* One digit is u64 qword. */
 #define ECC_CURVE_NIST_P192_DIGITS  3

@@ -46,13 +47,13 @@
  * @out:      Output array
  * @ndigits:  Number of digits to copy
  */
-static inline void ecc_swap_digits(const u64 *in, u64 *out, unsigned int ndigits)
+static inline void ecc_swap_digits(const void *in, u64 *out, unsigned int ndigits)
 {
 	const __be64 *src = (__force __be64 *)in;
 	int i;
 
 	for (i = 0; i < ndigits; i++)
-		out[i] = be64_to_cpu(src[ndigits - 1 - i]);
+		out[i] = get_unaligned_be64(&src[ndigits - 1 - i]);
 }
 
 /**

index f8d06da78e4f..6863e57b088d 100644
@@ -290,6 +290,11 @@ static void test_mb_aead_speed(const char *algo, int enc, int secs,
 	}
 
 	ret = crypto_aead_setauthsize(tfm, authsize);
+	if (ret) {
+		pr_err("alg: aead: Failed to setauthsize for %s: %d\n", algo,
+		       ret);
+		goto out_free_tfm;
+	}
 
 	for (i = 0; i < num_mb; ++i)
 		if (testmgr_alloc_buf(data[i].xbuf)) {

@@ -315,7 +320,7 @@ static void test_mb_aead_speed(const char *algo, int enc, int secs,
 	for (i = 0; i < num_mb; ++i) {
 		data[i].req = aead_request_alloc(tfm, GFP_KERNEL);
 		if (!data[i].req) {
-			pr_err("alg: skcipher: Failed to allocate request for %s\n",
+			pr_err("alg: aead: Failed to allocate request for %s\n",
 			       algo);
 			while (i--)
 				aead_request_free(data[i].req);

@@ -567,13 +572,19 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
 	sgout = &sg[9];
 
 	tfm = crypto_alloc_aead(algo, 0, 0);
-
 	if (IS_ERR(tfm)) {
 		pr_err("alg: aead: Failed to load transform for %s: %ld\n", algo,
 		       PTR_ERR(tfm));
 		goto out_notfm;
 	}
 
+	ret = crypto_aead_setauthsize(tfm, authsize);
+	if (ret) {
+		pr_err("alg: aead: Failed to setauthsize for %s: %d\n", algo,
+		       ret);
+		goto out_noreq;
+	}
+
 	crypto_init_wait(&wait);
 	printk(KERN_INFO "\ntesting speed of %s (%s) %s\n", algo,
 			get_driver_name(crypto_aead, tfm), e);

@@ -611,8 +622,13 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
 					break;
 				}
 			}
+
 			ret = crypto_aead_setkey(tfm, key, *keysize);
-			ret = crypto_aead_setauthsize(tfm, authsize);
+			if (ret) {
+				pr_err("setkey() failed flags=%x: %d\n",
+					crypto_aead_get_flags(tfm), ret);
+				goto out;
+			}
 
 			iv_len = crypto_aead_ivsize(tfm);
 			if (iv_len)

@@ -622,15 +638,8 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
 			printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ",
 					i, *keysize * 8, bs);
 
-
 			memset(tvmem[0], 0xff, PAGE_SIZE);
 
-			if (ret) {
-				pr_err("setkey() failed flags=%x\n",
-						crypto_aead_get_flags(tfm));
-				goto out;
-			}
-
 			sg_init_aead(sg, xbuf, bs + (enc ? 0 : authsize),
 				     assoc, aad_size);
 

index 1f6007abcf18..89c22bc55057 100644
@@ -288,10 +288,18 @@ static acpi_status acpi_platformrt_space_handler(u32 function,
 
 void __init init_prmt(void)
 {
+	struct acpi_table_header *tbl;
 	acpi_status status;
-	int mc = acpi_table_parse_entries(ACPI_SIG_PRMT, sizeof(struct acpi_table_prmt) +
+	int mc;
+
+	status = acpi_get_table(ACPI_SIG_PRMT, 0, &tbl);
+	if (ACPI_FAILURE(status))
+		return;
+
+	mc = acpi_table_parse_entries(ACPI_SIG_PRMT, sizeof(struct acpi_table_prmt) +
 					  sizeof (struct acpi_table_prmt_header),
 					  0, acpi_parse_prmt, 0);
+	acpi_put_table(tbl);
 	/*
 	 * Return immediately if PRMT table is not present or no PRM module found.
 	 */

index 61c762961ca8..44f434acfce0 100644
@@ -5573,7 +5573,7 @@ int ata_host_start(struct ata_host *host)
 			have_stop = 1;
 	}
 
-	if (host->ops->host_stop)
+	if (host->ops && host->ops->host_stop)
 		have_stop = 1;
 
 	if (have_stop) {

index 2e5e7c993933..8b2a0eb3f32a 100644
@@ -323,8 +323,8 @@ static int hd44780_remove(struct platform_device *pdev)
 {
 	struct charlcd *lcd = platform_get_drvdata(pdev);
 
-	kfree(lcd->drvdata);
 	charlcd_unregister(lcd);
+	kfree(lcd->drvdata);
 
 	kfree(lcd);
 	return 0;

index 437cd61343b2..68ea1f949daa 100644
@@ -580,7 +580,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
 			goto probe_failed;
 	}
 
-	if (driver_sysfs_add(dev)) {
+	ret = driver_sysfs_add(dev);
+	if (ret) {
 		pr_err("%s: driver_sysfs_add(%s) failed\n",
 		       __func__, dev_name(dev));
 		goto probe_failed;

@@ -602,15 +603,18 @@ static int really_probe(struct device *dev, struct device_driver *drv)
 		goto probe_failed;
 	}
 
-	if (device_add_groups(dev, drv->dev_groups)) {
+	ret = device_add_groups(dev, drv->dev_groups);
+	if (ret) {
 		dev_err(dev, "device_add_groups() failed\n");
 		goto dev_groups_failed;
 	}
 
-	if (dev_has_sync_state(dev) &&
-	    device_create_file(dev, &dev_attr_state_synced)) {
-		dev_err(dev, "state_synced sysfs add failed\n");
-		goto dev_sysfs_state_synced_failed;
+	if (dev_has_sync_state(dev)) {
+		ret = device_create_file(dev, &dev_attr_state_synced);
+		if (ret) {
+			dev_err(dev, "state_synced sysfs add failed\n");
+			goto dev_sysfs_state_synced_failed;
+		}
 	}
 
 	if (test_remove) {

index 68c549d71230..bdbedc6660a8 100644
@@ -165,7 +165,7 @@ static inline int fw_state_wait(struct fw_priv *fw_priv)
 	return __fw_state_wait_common(fw_priv, MAX_SCHEDULE_TIMEOUT);
 }
 
-static int fw_cache_piggyback_on_request(const char *name);
+static void fw_cache_piggyback_on_request(struct fw_priv *fw_priv);
 
 static struct fw_priv *__allocate_fw_priv(const char *fw_name,
 					  struct firmware_cache *fwc,

@@ -707,10 +707,8 @@ int assign_fw(struct firmware *fw, struct device *device)
 	 * on request firmware.
 	 */
 	if (!(fw_priv->opt_flags & FW_OPT_NOCACHE) &&
-	    fw_priv->fwc->state == FW_LOADER_START_CACHE) {
-		if (fw_cache_piggyback_on_request(fw_priv->fw_name))
-			kref_get(&fw_priv->ref);
-	}
+	    fw_priv->fwc->state == FW_LOADER_START_CACHE)
+		fw_cache_piggyback_on_request(fw_priv);
 
 	/* pass the pages buffer to driver at the last minute */
 	fw_set_page_data(fw_priv, fw);

@@ -1259,11 +1257,11 @@ static int __fw_entry_found(const char *name)
 	return 0;
 }
 
-static int fw_cache_piggyback_on_request(const char *name)
+static void fw_cache_piggyback_on_request(struct fw_priv *fw_priv)
 {
-	struct firmware_cache *fwc = &fw_cache;
+	const char *name = fw_priv->fw_name;
+	struct firmware_cache *fwc = fw_priv->fwc;
 	struct fw_cache_entry *fce;
-	int ret = 0;
 
 	spin_lock(&fwc->name_lock);
 	if (__fw_entry_found(name))

@@ -1271,13 +1269,12 @@ static int fw_cache_piggyback_on_request(const char *name)
 
 	fce = alloc_fw_cache_entry(name);
 	if (fce) {
-		ret = 1;
 		list_add(&fce->list, &fwc->fw_names);
+		kref_get(&fw_priv->ref);
 		pr_debug("%s: fw: %s\n", __func__, name);
 	}
 found:
 	spin_unlock(&fwc->name_lock);
-	return ret;
 }
 
 static void free_fw_cache_entry(struct fw_cache_entry *fce)

@@ -1508,9 +1505,8 @@ static inline void unregister_fw_pm_ops(void)
 	unregister_pm_notifier(&fw_cache.pm_notify);
 }
 #else
-static int fw_cache_piggyback_on_request(const char *name)
+static void fw_cache_piggyback_on_request(struct fw_priv *fw_priv)
 {
-	return 0;
 }
 static inline int register_fw_pm_ops(void)
 {

index fe3e38dd5324..2fc826e97591 100644
@@ -1667,7 +1667,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
 			if (ret) {
 				dev_err(map->dev,
 					"Error in caching of register: %x ret: %d\n",
-					reg + i, ret);
+					reg + regmap_get_offset(map, i), ret);
 				return ret;
 			}
 		}

index 6535614a7dc1..1df2b5801c3b 100644
@@ -236,6 +236,7 @@ EXPORT_SYMBOL(bcma_core_irq);
 
 void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
 {
+	device_initialize(&core->dev);
 	core->dev.release = bcma_release_core_dev;
 	core->dev.bus = &bcma_bus_type;
 	dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index);

@@ -277,11 +278,10 @@ static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
 {
 	int err;
 
-	err = device_register(&core->dev);
+	err = device_add(&core->dev);
 	if (err) {
 		bcma_err(bus, "Could not register dev for core 0x%03X\n",
 			 core->id.id);
-		put_device(&core->dev);
 		return;
 	}
 	core->dev_registered = true;

@@ -372,7 +372,7 @@ void bcma_unregister_cores(struct bcma_bus *bus)
 	/* Now noone uses internally-handled cores, we can free them */
 	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
 		list_del(&core->list);
-		kfree(core);
+		put_device(&core->dev);
 	}
 }
 

165 lines not on this page · raw message

index 0255bf243ce5..bd37d6fb88c2 100644
@@ -2921,10 +2921,11 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
 	/* Read the Intel supported features and if new exception formats
 	 * supported, need to load the additional DDC config to enable.
 	 */
-	btintel_read_debug_features(hdev, &features);
-
-	/* Set DDC mask for available debug features */
-	btintel_set_debug_features(hdev, &features);
+	err = btintel_read_debug_features(hdev, &features);
+	if (!err) {
+		/* Set DDC mask for available debug features */
+		btintel_set_debug_features(hdev, &features);
+	}
 
 	/* Read the Intel version information after loading the FW  */
 	err = btintel_read_version(hdev, &ver);

@@ -3017,10 +3018,11 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
 	/* Read the Intel supported features and if new exception formats
 	 * supported, need to load the additional DDC config to enable.
 	 */
-	btintel_read_debug_features(hdev, &features);
-
-	/* Set DDC mask for available debug features */
-	btintel_set_debug_features(hdev, &features);
+	err = btintel_read_debug_features(hdev, &features);
+	if (!err) {
+		/* Set DDC mask for available debug features */
+		btintel_set_debug_features(hdev, &features);
+	}
 
 	/* Read the Intel version information after loading the FW  */
 	err = btintel_read_version_tlv(hdev, &version);

index 903604769de9..3af4c07a9342 100644
@@ -106,17 +106,12 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 {
 	struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
 	u16 len;
-	int sig;
 
 	if (!ibmvtpm->rtce_buf) {
 		dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n");
 		return 0;
 	}
 
-	sig = wait_event_interruptible(ibmvtpm->wq, !ibmvtpm->tpm_processing_cmd);
-	if (sig)
-		return -EINTR;
-
 	len = ibmvtpm->res_len;
 
 	if (count < len) {

@@ -237,7 +232,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
 	 * set the processing flag before the Hcall, since we may get the
 	 * result (interrupt) before even being able to check rc.
 	 */
-	ibmvtpm->tpm_processing_cmd = true;
+	ibmvtpm->tpm_processing_cmd = 1;
 
 again:
 	rc = ibmvtpm_send_crq(ibmvtpm->vdev,

@@ -255,7 +250,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
 			goto again;
 		}
 		dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
-		ibmvtpm->tpm_processing_cmd = false;
+		ibmvtpm->tpm_processing_cmd = 0;
 	}
 
 	spin_unlock(&ibmvtpm->rtce_lock);

@@ -269,7 +264,9 @@ static void tpm_ibmvtpm_cancel(struct tpm_chip *chip)
 
 static u8 tpm_ibmvtpm_status(struct tpm_chip *chip)
 {
-	return 0;
+	struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
+
+	return ibmvtpm->tpm_processing_cmd;
 }
 
 /**

@@ -457,7 +454,7 @@ static const struct tpm_class_ops tpm_ibmvtpm = {
 	.send = tpm_ibmvtpm_send,
 	.cancel = tpm_ibmvtpm_cancel,
 	.status = tpm_ibmvtpm_status,
-	.req_complete_mask = 0,
+	.req_complete_mask = 1,
 	.req_complete_val = 0,
 	.req_canceled = tpm_ibmvtpm_req_canceled,
 };

@@ -550,7 +547,7 @@ static void ibmvtpm_crq_process(struct ibmvtpm_crq *crq,
 		case VTPM_TPM_COMMAND_RES:
 			/* len of the data in rtce buffer */
 			ibmvtpm->res_len = be16_to_cpu(crq->len);
-			ibmvtpm->tpm_processing_cmd = false;
+			ibmvtpm->tpm_processing_cmd = 0;
 			wake_up_interruptible(&ibmvtpm->wq);
 			return;
 		default:

@@ -688,8 +685,15 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
 		goto init_irq_cleanup;
 	}
 
-	if (!strcmp(id->compat, "IBM,vtpm20")) {
+
+	if (!strcmp(id->compat, "IBM,vtpm20"))
 		chip->flags |= TPM_CHIP_FLAG_TPM2;
+
+	rc = tpm_get_timeouts(chip);
+	if (rc)
+		goto init_irq_cleanup;
+
+	if (chip->flags & TPM_CHIP_FLAG_TPM2) {
 		rc = tpm2_get_cc_attrs_tbl(chip);
 		if (rc)
 			goto init_irq_cleanup;

index b92aa7d3e93e..51198b137461 100644
@@ -41,7 +41,7 @@ struct ibmvtpm_dev {
 	wait_queue_head_t wq;
 	u16 res_len;
 	u32 vtpm_version;
-	bool tpm_processing_cmd;
+	u8 tpm_processing_cmd;
 };
 
 #define CRQ_RES_BUF_SIZE	PAGE_SIZE

index 47680237d0be..8bc893df4736 100644
@@ -265,6 +265,7 @@ static const char *powersave_parents[] = {
 static const struct clk_muxing_soc_desc kirkwood_mux_desc[] __initconst = {
 	{ "powersave", powersave_parents, ARRAY_SIZE(powersave_parents),
 		11, 1, 0 },
+	{ }
 };
 
 static struct clk *clk_muxing_get_src(

index d7ed99f0001f..dd0956ad969c 100644
@@ -579,7 +579,8 @@ static int sh_cmt_start(struct sh_cmt_channel *ch, unsigned long flag)
 	ch->flags |= flag;
 
 	/* setup timeout if no clockevent */
-	if ((flag == FLAG_CLOCKSOURCE) && (!(ch->flags & FLAG_CLOCKEVENT)))
+	if (ch->cmt->num_channels == 1 &&
+	    flag == FLAG_CLOCKSOURCE && (!(ch->flags & FLAG_CLOCKEVENT)))
 		__sh_cmt_set_next(ch, ch->max_match_value);
  out:
 	raw_spin_unlock_irqrestore(&ch->lock, flags);

@@ -621,20 +622,25 @@ static struct sh_cmt_channel *cs_to_sh_cmt(struct clocksource *cs)
 static u64 sh_cmt_clocksource_read(struct clocksource *cs)
 {
 	struct sh_cmt_channel *ch = cs_to_sh_cmt(cs);
-	unsigned long flags;
 	u32 has_wrapped;
-	u64 value;
-	u32 raw;
 
-	raw_spin_lock_irqsave(&ch->lock, flags);
-	value = ch->total_cycles;
-	raw = sh_cmt_get_counter(ch, &has_wrapped);
+	if (ch->cmt->num_channels == 1) {
+		unsigned long flags;
+		u64 value;
+		u32 raw;
 
-	if (unlikely(has_wrapped))
-		raw += ch->match_value + 1;
-	raw_spin_unlock_irqrestore(&ch->lock, flags);
+		raw_spin_lock_irqsave(&ch->lock, flags);
+		value = ch->total_cycles;
+		raw = sh_cmt_get_counter(ch, &has_wrapped);
+
+		if (unlikely(has_wrapped))
+			raw += ch->match_value + 1;
+		raw_spin_unlock_irqrestore(&ch->lock, flags);
+
+		return value + raw;
+	}
 
-	return value + raw;
+	return sh_cmt_get_counter(ch, &has_wrapped);
 }
 
 static int sh_cmt_clocksource_enable(struct clocksource *cs)

@@ -697,7 +703,7 @@ static int sh_cmt_register_clocksource(struct sh_cmt_channel *ch,
 	cs->disable = sh_cmt_clocksource_disable;
 	cs->suspend = sh_cmt_clocksource_suspend;
 	cs->resume = sh_cmt_clocksource_resume;
-	cs->mask = CLOCKSOURCE_MASK(sizeof(u64) * 8);
+	cs->mask = CLOCKSOURCE_MASK(ch->cmt->info->width);
 	cs->flags = CLOCK_SOURCE_IS_CONTINUOUS;
 
 	dev_info(&ch->cmt->pdev->dev, "ch%u: used as clock source\n",

index 09a9a77cce06..81f9642777fb 100644
@@ -715,12 +715,13 @@ static ssize_t quad8_count_ceiling_write(struct counter_device *counter,
 	case 1:
 	case 3:
 		quad8_preset_register_set(priv, count->id, ceiling);
-		break;
+		mutex_unlock(&priv->lock);
+		return len;
 	}
 
 	mutex_unlock(&priv->lock);
 
-	return len;
+	return -EINVAL;
 }
 
 static ssize_t quad8_count_preset_enable_read(struct counter_device *counter,

index 018415b9840a..d97cf02b1df7 100644
@@ -157,11 +157,6 @@ struct sec_ctx {
 	struct device *dev;
 };
 
-enum sec_endian {
-	SEC_LE = 0,
-	SEC_32BE,
-	SEC_64BE
-};
 
 enum sec_debug_file_index {
 	SEC_CLEAR_ENABLE,

index 490db7bccf61..a0cc46b649a3 100644
@@ -312,31 +312,20 @@ static const struct pci_device_id sec_dev_ids[] = {
 };
 MODULE_DEVICE_TABLE(pci, sec_dev_ids);
 
-static u8 sec_get_endian(struct hisi_qm *qm)
+static void sec_set_endian(struct hisi_qm *qm)
 {
 	u32 reg;
 
-	/*
-	 * As for VF, it is a wrong way to get endian setting by
-	 * reading a register of the engine
-	 */
-	if (qm->pdev->is_virtfn) {
-		dev_err_ratelimited(&qm->pdev->dev,
-				    "cannot access a register in VF!\n");
-		return SEC_LE;
-	}
 	reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
-	/* BD little endian mode */
-	if (!(reg & BIT(0)))
-		return SEC_LE;
+	reg &= ~(BIT(1) | BIT(0));
+	if (!IS_ENABLED(CONFIG_64BIT))
+		reg |= BIT(1);
 
-	/* BD 32-bits big endian mode */
-	else if (!(reg & BIT(1)))
-		return SEC_32BE;
 
-	/* BD 64-bits big endian mode */
-	else
-		return SEC_64BE;
+	if (!IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+		reg |= BIT(0);
+
+	writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
 }
 
 static void sec_open_sva_prefetch(struct hisi_qm *qm)

@@ -429,9 +418,7 @@ static int sec_engine_init(struct hisi_qm *qm)
 		       qm->io_base + SEC_BD_ERR_CHK_EN_REG3);
 
 	/* config endian */
-	reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
-	reg |= sec_get_endian(qm);
-	writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
+	sec_set_endian(qm);
 
 	return 0;
 }

@@ -984,7 +971,8 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 err_alg_unregister:
-	hisi_qm_alg_unregister(qm, &sec_devices);
+	if (qm->qp_num >= ctx_q_num)
+		hisi_qm_alg_unregister(qm, &sec_devices);
 err_qm_stop:
 	sec_debugfs_exit(qm);
 	hisi_qm_stop(qm, QM_NORMAL);

90 lines not on this page · raw message

index 0dd4c6b157de..9b968ac4ee7b 100644
@@ -1175,9 +1175,9 @@ static int omap_aes_probe(struct platform_device *pdev)
 	spin_lock_init(&dd->lock);
 
 	INIT_LIST_HEAD(&dd->list);
-	spin_lock(&list_lock);
+	spin_lock_bh(&list_lock);
 	list_add_tail(&dd->list, &dev_list);
-	spin_unlock(&list_lock);
+	spin_unlock_bh(&list_lock);
 
 	/* Initialize crypto engine */
 	dd->engine = crypto_engine_alloc_init(dev, 1);

@@ -1264,9 +1264,9 @@ static int omap_aes_remove(struct platform_device *pdev)
 	if (!dd)
 		return -ENODEV;
 
-	spin_lock(&list_lock);
+	spin_lock_bh(&list_lock);
 	list_del(&dd->list);
-	spin_unlock(&list_lock);
+	spin_unlock_bh(&list_lock);
 
 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) {

index bc8631363d72..be77656864e3 100644
@@ -1033,9 +1033,9 @@ static int omap_des_probe(struct platform_device *pdev)
 
 
 	INIT_LIST_HEAD(&dd->list);
-	spin_lock(&list_lock);
+	spin_lock_bh(&list_lock);
 	list_add_tail(&dd->list, &dev_list);
-	spin_unlock(&list_lock);
+	spin_unlock_bh(&list_lock);
 
 	/* Initialize des crypto engine */
 	dd->engine = crypto_engine_alloc_init(dev, 1);

@@ -1094,9 +1094,9 @@ static int omap_des_remove(struct platform_device *pdev)
 	if (!dd)
 		return -ENODEV;
 
-	spin_lock(&list_lock);
+	spin_lock_bh(&list_lock);
 	list_del(&dd->list);
-	spin_unlock(&list_lock);
+	spin_unlock_bh(&list_lock);
 
 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)

index dd53ad9987b0..63beea7cdba5 100644
@@ -1736,7 +1736,7 @@ static void omap_sham_done_task(unsigned long data)
 		if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags))
 			goto finish;
 	} else if (test_bit(FLAGS_DMA_READY, &dd->flags)) {
-		if (test_and_clear_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
+		if (test_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
 			omap_sham_update_dma_stop(dd);
 			if (dd->err) {
 				err = dd->err;

@@ -2144,9 +2144,9 @@ static int omap_sham_probe(struct platform_device *pdev)
 		(rev & dd->pdata->major_mask) >> dd->pdata->major_shift,
 		(rev & dd->pdata->minor_mask) >> dd->pdata->minor_shift);
 
-	spin_lock(&sham.lock);
+	spin_lock_bh(&sham.lock);
 	list_add_tail(&dd->list, &sham.dev_list);
-	spin_unlock(&sham.lock);
+	spin_unlock_bh(&sham.lock);
 
 	dd->engine = crypto_engine_alloc_init(dev, 1);
 	if (!dd->engine) {

@@ -2194,9 +2194,9 @@ static int omap_sham_probe(struct platform_device *pdev)
 err_engine_start:
 	crypto_engine_exit(dd->engine);
 err_engine:
-	spin_lock(&sham.lock);
+	spin_lock_bh(&sham.lock);
 	list_del(&dd->list);
-	spin_unlock(&sham.lock);
+	spin_unlock_bh(&sham.lock);
 err_pm:
 	pm_runtime_disable(dev);
 	if (!dd->polling_mode)

@@ -2215,9 +2215,9 @@ static int omap_sham_remove(struct platform_device *pdev)
 	dd = platform_get_drvdata(pdev);
 	if (!dd)
 		return -ENODEV;
-	spin_lock(&sham.lock);
+	spin_lock_bh(&sham.lock);
 	list_del(&dd->list);
-	spin_unlock(&sham.lock);
+	spin_unlock_bh(&sham.lock);
 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) {
 			crypto_unregister_ahash(

index 15f6b9bdfb22..ddf42fb32625 100644
@@ -81,10 +81,10 @@ void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
 	hw_data->enable_error_correction = adf_vf_void_noop;
 	hw_data->init_admin_comms = adf_vf_int_noop;
 	hw_data->exit_admin_comms = adf_vf_void_noop;
-	hw_data->send_admin_init = adf_vf2pf_init;
+	hw_data->send_admin_init = adf_vf2pf_notify_init;
 	hw_data->init_arb = adf_vf_int_noop;
 	hw_data->exit_arb = adf_vf_void_noop;
-	hw_data->disable_iov = adf_vf2pf_shutdown;
+	hw_data->disable_iov = adf_vf2pf_notify_shutdown;
 	hw_data->get_accel_mask = get_accel_mask;
 	hw_data->get_ae_mask = get_ae_mask;
 	hw_data->get_num_accels = get_num_accels;

index d231583428c9..7e202ef92523 100644
@@ -81,10 +81,10 @@ void adf_init_hw_data_c62xiov(struct adf_hw_device_data *hw_data)
 	hw_data->enable_error_correction = adf_vf_void_noop;
 	hw_data->init_admin_comms = adf_vf_int_noop;
 	hw_data->exit_admin_comms = adf_vf_void_noop;
-	hw_data->send_admin_init = adf_vf2pf_init;
+	hw_data->send_admin_init = adf_vf2pf_notify_init;
 	hw_data->init_arb = adf_vf_int_noop;
 	hw_data->exit_arb = adf_vf_void_noop;
-	hw_data->disable_iov = adf_vf2pf_shutdown;
+	hw_data->disable_iov = adf_vf2pf_notify_shutdown;
 	hw_data->get_accel_mask = get_accel_mask;
 	hw_data->get_ae_mask = get_ae_mask;
 	hw_data->get_num_accels = get_num_accels;

index c61476553728..dd4a811b7e89 100644
@@ -198,8 +198,8 @@ void adf_enable_vf2pf_interrupts(struct adf_accel_dev *accel_dev,
 void adf_enable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
 void adf_disable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
 
-int adf_vf2pf_init(struct adf_accel_dev *accel_dev);
-void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev);
+int adf_vf2pf_notify_init(struct adf_accel_dev *accel_dev);
+void adf_vf2pf_notify_shutdown(struct adf_accel_dev *accel_dev);
 int adf_init_pf_wq(void);
 void adf_exit_pf_wq(void);
 int adf_init_vf_wq(void);

@@ -222,12 +222,12 @@ static inline void adf_disable_pf2vf_interrupts(struct adf_accel_dev *accel_dev)
 {
 }
 
-static inline int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
+static inline int adf_vf2pf_notify_init(struct adf_accel_dev *accel_dev)
 {
 	return 0;
 }
 
-static inline void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
+static inline void adf_vf2pf_notify_shutdown(struct adf_accel_dev *accel_dev)
 {
 }
 

index 744c40351428..02864985dbb0 100644
@@ -61,6 +61,7 @@ int adf_dev_init(struct adf_accel_dev *accel_dev)
 	struct service_hndl *service;
 	struct list_head *list_itr;
 	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	int ret;
 
 	if (!hw_data) {
 		dev_err(&GET_DEV(accel_dev),

@@ -127,9 +128,9 @@ int adf_dev_init(struct adf_accel_dev *accel_dev)
 	}
 
 	hw_data->enable_error_correction(accel_dev);
-	hw_data->enable_vf2pf_comms(accel_dev);
+	ret = hw_data->enable_vf2pf_comms(accel_dev);
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(adf_dev_init);
 

index e3ad5587be49..daab02011717 100644
@@ -15,6 +15,8 @@
 #include "adf_transport_access_macros.h"
 #include "adf_transport_internal.h"
 
+#define ADF_MAX_NUM_VFS	32
+
 static int adf_enable_msix(struct adf_accel_dev *accel_dev)
 {
 	struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev;

@@ -72,7 +74,7 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr)
 		struct adf_bar *pmisc =
 			&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
 		void __iomem *pmisc_bar_addr = pmisc->virt_addr;
-		u32 vf_mask;
+		unsigned long vf_mask;
 
 		/* Get the interrupt sources triggered by VFs */
 		vf_mask = ((ADF_CSR_RD(pmisc_bar_addr, ADF_ERRSOU5) &

@@ -93,8 +95,7 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr)
 			 * unless the VF is malicious and is attempting to
 			 * flood the host OS with VF2PF interrupts.
 			 */
-			for_each_set_bit(i, (const unsigned long *)&vf_mask,
-					 (sizeof(vf_mask) * BITS_PER_BYTE)) {
+			for_each_set_bit(i, &vf_mask, ADF_MAX_NUM_VFS) {
 				vf_info = accel_dev->pf.vf_info + i;
 
 				if (!__ratelimit(&vf_info->vf2pf_ratelimit)) {

index a1b77bd7a894..efa4bffb4f60 100644
@@ -186,7 +186,6 @@ int adf_iov_putmsg(struct adf_accel_dev *accel_dev, u32 msg, u8 vf_nr)
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(adf_iov_putmsg);
 
 void adf_vf2pf_req_hndl(struct adf_accel_vf_info *vf_info)
 {

@@ -316,6 +315,8 @@ static int adf_vf2pf_request_version(struct adf_accel_dev *accel_dev)
 	msg |= ADF_PFVF_COMPATIBILITY_VERSION << ADF_VF2PF_COMPAT_VER_REQ_SHIFT;
 	BUILD_BUG_ON(ADF_PFVF_COMPATIBILITY_VERSION > 255);
 
+	reinit_completion(&accel_dev->vf.iov_msg_completion);
+
 	/* Send request from VF to PF */
 	ret = adf_iov_putmsg(accel_dev, msg, 0);
 	if (ret) {

index e85bd62d134a..3e25fac051b2 100644
@@ -5,14 +5,14 @@
 #include "adf_pf2vf_msg.h"
 
 /**
- * adf_vf2pf_init() - send init msg to PF
+ * adf_vf2pf_notify_init() - send init msg to PF
  * @accel_dev:  Pointer to acceleration VF device.
  *
  * Function sends an init message from the VF to a PF
  *
  * Return: 0 on success, error code otherwise.
  */
-int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
+int adf_vf2pf_notify_init(struct adf_accel_dev *accel_dev)
 {
 	u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM |
 		(ADF_VF2PF_MSGTYPE_INIT << ADF_VF2PF_MSGTYPE_SHIFT));

@@ -25,17 +25,17 @@ int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
 	set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
 	return 0;
 }
-EXPORT_SYMBOL_GPL(adf_vf2pf_init);
+EXPORT_SYMBOL_GPL(adf_vf2pf_notify_init);
 
 /**
- * adf_vf2pf_shutdown() - send shutdown msg to PF
+ * adf_vf2pf_notify_shutdown() - send shutdown msg to PF
  * @accel_dev:  Pointer to acceleration VF device.
  *
  * Function sends a shutdown message from the VF to a PF
  *
  * Return: void
  */
-void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
+void adf_vf2pf_notify_shutdown(struct adf_accel_dev *accel_dev)
 {
 	u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM |
 	    (ADF_VF2PF_MSGTYPE_SHUTDOWN << ADF_VF2PF_MSGTYPE_SHIFT));

@@ -45,4 +45,4 @@ void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
 			dev_err(&GET_DEV(accel_dev),
 				"Failed to send Shutdown event to PF\n");
 }
-EXPORT_SYMBOL_GPL(adf_vf2pf_shutdown);
+EXPORT_SYMBOL_GPL(adf_vf2pf_notify_shutdown);

index 888388acb6bd..3e4f64d248f9 100644
@@ -160,6 +160,7 @@ static irqreturn_t adf_isr(int irq, void *privdata)
 	struct adf_bar *pmisc =
 			&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
 	void __iomem *pmisc_bar_addr = pmisc->virt_addr;
+	bool handled = false;
 	u32 v_int;
 
 	/* Read VF INT source CSR to determine the source of VF interrupt */

@@ -172,7 +173,7 @@ static irqreturn_t adf_isr(int irq, void *privdata)
 
 		/* Schedule tasklet to handle interrupt BH */
 		tasklet_hi_schedule(&accel_dev->vf.pf2vf_bh_tasklet);
-		return IRQ_HANDLED;
+		handled = true;
 	}
 
 	/* Check bundle interrupt */

@@ -184,10 +185,10 @@ static irqreturn_t adf_isr(int irq, void *privdata)
 		csr_ops->write_csr_int_flag_and_col(bank->csr_addr,
 						    bank->bank_number, 0);
 		tasklet_hi_schedule(&bank->resp_handler);
-		return IRQ_HANDLED;
+		handled = true;
 	}
 
-	return IRQ_NONE;
+	return handled ? IRQ_HANDLED : IRQ_NONE;
 }
 
 static int adf_request_msi_irq(struct adf_accel_dev *accel_dev)

index f14fb82ed6df..744734caaf7b 100644
@@ -81,10 +81,10 @@ void adf_init_hw_data_dh895xcciov(struct adf_hw_device_data *hw_data)
 	hw_data->enable_error_correction = adf_vf_void_noop;
 	hw_data->init_admin_comms = adf_vf_int_noop;
 	hw_data->exit_admin_comms = adf_vf_void_noop;
-	hw_data->send_admin_init = adf_vf2pf_init;
+	hw_data->send_admin_init = adf_vf2pf_notify_init;
 	hw_data->init_arb = adf_vf_int_noop;
 	hw_data->exit_arb = adf_vf_void_noop;
-	hw_data->disable_iov = adf_vf2pf_shutdown;
+	hw_data->disable_iov = adf_vf2pf_notify_shutdown;
 	hw_data->get_accel_mask = get_accel_mask;
 	hw_data->get_ae_mask = get_ae_mask;
 	hw_data->get_num_accels = get_num_accels;

index 6ce0ed2ffaaf..b4a024cb8b97 100644
@@ -33,9 +33,9 @@
 #define I10NM_GET_DIMMMTR(m, i, j)	\
 	readl((m)->mbase + ((m)->hbm_mc ? 0x80c : 0x2080c) + \
 	(i) * (m)->chan_mmio_sz + (j) * 4)
-#define I10NM_GET_MCDDRTCFG(m, i, j)	\
+#define I10NM_GET_MCDDRTCFG(m, i)	\
 	readl((m)->mbase + ((m)->hbm_mc ? 0x970 : 0x20970) + \
-	(i) * (m)->chan_mmio_sz + (j) * 4)
+	(i) * (m)->chan_mmio_sz)
 #define I10NM_GET_MCMTR(m, i)		\
 	readl((m)->mbase + ((m)->hbm_mc ? 0xef8 : 0x20ef8) + \
 	(i) * (m)->chan_mmio_sz)

@@ -321,10 +321,10 @@ static int i10nm_get_dimm_config(struct mem_ctl_info *mci,
 
 		ndimms = 0;
 		amap = I10NM_GET_AMAP(imc, i);
+		mcddrtcfg = I10NM_GET_MCDDRTCFG(imc, i);
 		for (j = 0; j < imc->num_dimms; j++) {
 			dimm = edac_get_dimm(mci, i, j, 0);
 			mtr = I10NM_GET_DIMMMTR(imc, i, j);
-			mcddrtcfg = I10NM_GET_MCDDRTCFG(imc, i, j);
 			edac_dbg(1, "dimmmtr 0x%x mcddrtcfg 0x%x (mc%d ch%d dimm%d)\n",
 				 mtr, mcddrtcfg, imc->mc, i, j);
 

index 27d56920b469..67dbf4c31271 100644
@@ -1246,6 +1246,9 @@ static int __init mce_amd_init(void)
 	    c->x86_vendor != X86_VENDOR_HYGON)
 		return -ENODEV;
 
+	if (cpu_feature_enabled(X86_FEATURE_HYPERVISOR))
+		return -ENODEV;
+
 	if (boot_cpu_has(X86_FEATURE_SMCA)) {
 		xec_mask = 0x3f;
 		goto out;

index 250e01680742..4b8978b254f9 100644
@@ -329,12 +329,18 @@ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
 
 	fw = platform_get_drvdata(pdev);
 	if (!fw)
-		return NULL;
+		goto err_put_device;
 
 	if (!kref_get_unless_zero(&fw->consumers))
-		return NULL;
+		goto err_put_device;
+
+	put_device(&pdev->dev);
 
 	return fw;
+
+err_put_device:
+	put_device(&pdev->dev);
+	return NULL;
 }
 EXPORT_SYMBOL_GPL(rpi_firmware_get);
 

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