Linux 5.17.5

index 1da11bdb1dfb..1c6500c4e6a1 100644
@@ -580,7 +580,7 @@ static int __init ve_spc_clk_init(void)
 		}
 
 		cluster = topology_physical_package_id(cpu_dev->id);
-		if (init_opp_table[cluster])
+		if (cluster < 0 || init_opp_table[cluster])
 			continue;
 
 		if (ve_init_opp_table(cpu_dev))

index ec5b082f3de6..07eb69f9e7df 100644
@@ -337,12 +337,15 @@ int __init arch_xen_unpopulated_init(struct resource **res)
 
 	if (!nr_reg) {
 		pr_err("No extended regions are found\n");
+		of_node_put(np);
 		return -EINVAL;
 	}
 
 	regs = kcalloc(nr_reg, sizeof(*regs), GFP_KERNEL);
-	if (!regs)
+	if (!regs) {
+		of_node_put(np);
 		return -ENOMEM;
+	}
 
 	/*
 	 * Create resource from extended regions provided by the hypervisor to be

@@ -403,8 +406,8 @@ int __init arch_xen_unpopulated_init(struct resource **res)
 	*res = &xen_resource;
 
 err:
+	of_node_put(np);
 	kfree(regs);
-
 	return rc;
 }
 #endif

@@ -424,8 +427,10 @@ static void __init xen_dt_guest_init(void)
 
 	if (of_address_to_resource(xen_node, GRANT_TABLE_INDEX, &res)) {
 		pr_err("Xen grant table region is not found\n");
+		of_node_put(xen_node);
 		return;
 	}
+	of_node_put(xen_node);
 	xen_grant_frames = res.start;
 }
 

index 94e147e5456c..dff2b483ea50 100644
@@ -535,7 +535,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 				 PMD_TYPE_TABLE)
 #define pmd_sect(pmd)		((pmd_val(pmd) & PMD_TYPE_MASK) == \
 				 PMD_TYPE_SECT)
-#define pmd_leaf(pmd)		pmd_sect(pmd)
+#define pmd_leaf(pmd)		(pmd_present(pmd) && !pmd_table(pmd))
 #define pmd_bad(pmd)		(!pmd_table(pmd))
 
 #define pmd_leaf_size(pmd)	(pmd_cont(pmd) ? CONT_PMD_SIZE : PMD_SIZE)

@@ -625,7 +625,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
 #define pud_none(pud)		(!pud_val(pud))
 #define pud_bad(pud)		(!pud_table(pud))
 #define pud_present(pud)	pte_present(pud_pte(pud))
-#define pud_leaf(pud)		pud_sect(pud)
+#define pud_leaf(pud)		(pud_present(pud) && !pud_table(pud))
 #define pud_valid(pud)		pte_valid(pud_pte(pud))
 
 static inline void set_pud(pud_t *pudp, pud_t pud)

index 384f58a3f373..5f8933aec75c 100644
@@ -610,23 +610,22 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
 		return;
 	}
 
-	/* Conditionally hard-enable interrupts. */
-	if (should_hard_irq_enable()) {
-		/*
-		 * Ensure a positive value is written to the decrementer, or
-		 * else some CPUs will continue to take decrementer exceptions.
-		 * When the PPC_WATCHDOG (decrementer based) is configured,
-		 * keep this at most 31 bits, which is about 4 seconds on most
-		 * systems, which gives the watchdog a chance of catching timer
-		 * interrupt hard lockups.
-		 */
-		if (IS_ENABLED(CONFIG_PPC_WATCHDOG))
-			set_dec(0x7fffffff);
-		else
-			set_dec(decrementer_max);
+	/*
+	 * Ensure a positive value is written to the decrementer, or
+	 * else some CPUs will continue to take decrementer exceptions.
+	 * When the PPC_WATCHDOG (decrementer based) is configured,
+	 * keep this at most 31 bits, which is about 4 seconds on most
+	 * systems, which gives the watchdog a chance of catching timer
+	 * interrupt hard lockups.
+	 */
+	if (IS_ENABLED(CONFIG_PPC_WATCHDOG))
+		set_dec(0x7fffffff);
+	else
+		set_dec(decrementer_max);
 
+	/* Conditionally hard-enable interrupts. */
+	if (should_hard_irq_enable())
 		do_hard_irq_enable();
-	}
 
 #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
 	if (atomic_read(&ppc_n_lost_interrupts) != 0)

110 lines not on this page · raw message

103 lines not on this page · raw message

index 0975ad0b42c4..69b4565d1a8f 100644
@@ -91,8 +91,8 @@ extern u64 PERF_REG_EXTENDED_MASK;
 
 /* Table of alternatives, sorted by column 0 */
 static const unsigned int power10_event_alternatives[][MAX_ALT] = {
-	{ PM_CYC_ALT,			PM_CYC },
 	{ PM_INST_CMPL_ALT,		PM_INST_CMPL },
+	{ PM_CYC_ALT,			PM_CYC },
 };
 
 static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])

index 4b7c17e36100..37b2860db483 100644
@@ -133,11 +133,11 @@ int p9_dd22_bl_ev[] = {
 
 /* Table of alternatives, sorted by column 0 */
 static const unsigned int power9_event_alternatives[][MAX_ALT] = {
-	{ PM_INST_DISP,			PM_INST_DISP_ALT },
-	{ PM_RUN_CYC_ALT,		PM_RUN_CYC },
-	{ PM_RUN_INST_CMPL_ALT,		PM_RUN_INST_CMPL },
-	{ PM_LD_MISS_L1,		PM_LD_MISS_L1_ALT },
 	{ PM_BR_2PATH,			PM_BR_2PATH_ALT },
+	{ PM_INST_DISP,			PM_INST_DISP_ALT },
+	{ PM_RUN_CYC_ALT,               PM_RUN_CYC },
+	{ PM_LD_MISS_L1,                PM_LD_MISS_L1_ALT },
+	{ PM_RUN_INST_CMPL_ALT,         PM_RUN_INST_CMPL },
 };
 
 static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])

index 6785aef4cbd4..aad430668bb4 100644
@@ -38,14 +38,16 @@ const struct kvm_stats_header kvm_vcpu_stats_header = {
 		       sizeof(kvm_vcpu_stats_desc),
 };
 
-#define KVM_RISCV_ISA_ALLOWED	(riscv_isa_extension_mask(a) | \
-				 riscv_isa_extension_mask(c) | \
-				 riscv_isa_extension_mask(d) | \
-				 riscv_isa_extension_mask(f) | \
-				 riscv_isa_extension_mask(i) | \
-				 riscv_isa_extension_mask(m) | \
-				 riscv_isa_extension_mask(s) | \
-				 riscv_isa_extension_mask(u))
+#define KVM_RISCV_ISA_DISABLE_ALLOWED	(riscv_isa_extension_mask(d) | \
+					riscv_isa_extension_mask(f))
+
+#define KVM_RISCV_ISA_DISABLE_NOT_ALLOWED	(riscv_isa_extension_mask(a) | \
+						riscv_isa_extension_mask(c) | \
+						riscv_isa_extension_mask(i) | \
+						riscv_isa_extension_mask(m))
+
+#define KVM_RISCV_ISA_ALLOWED (KVM_RISCV_ISA_DISABLE_ALLOWED | \
+			       KVM_RISCV_ISA_DISABLE_NOT_ALLOWED)
 
 static void kvm_riscv_reset_vcpu(struct kvm_vcpu *vcpu)
 {

@@ -219,7 +221,8 @@ static int kvm_riscv_vcpu_set_reg_config(struct kvm_vcpu *vcpu,
 	switch (reg_num) {
 	case KVM_REG_RISCV_CONFIG_REG(isa):
 		if (!vcpu->arch.ran_atleast_once) {
-			vcpu->arch.isa = reg_val;
+			/* Ignore the disable request for these extensions */
+			vcpu->arch.isa = reg_val | KVM_RISCV_ISA_DISABLE_NOT_ALLOWED;
 			vcpu->arch.isa &= riscv_isa_extension_base(NULL);
 			vcpu->arch.isa &= KVM_RISCV_ISA_ALLOWED;
 			kvm_riscv_vcpu_fp_reset(vcpu);

index 7516e4199b3c..20fd0acd7d80 100644
@@ -28,15 +28,13 @@ typedef u16		compat_ipc_pid_t;
 typedef __kernel_fsid_t	compat_fsid_t;
 
 struct compat_stat {
-	compat_dev_t	st_dev;
-	u16		__pad1;
+	u32		st_dev;
 	compat_ino_t	st_ino;
 	compat_mode_t	st_mode;
 	compat_nlink_t	st_nlink;
 	__compat_uid_t	st_uid;
 	__compat_gid_t	st_gid;
-	compat_dev_t	st_rdev;
-	u16		__pad2;
+	u32		st_rdev;
 	u32		st_size;
 	u32		st_blksize;
 	u32		st_blocks;

index 85ee96abba80..c4b4c0839dbd 100644
@@ -969,12 +969,10 @@ enum hv_tsc_page_status {
 	HV_TSC_PAGE_UNSET = 0,
 	/* TSC page MSR was written by the guest, update pending */
 	HV_TSC_PAGE_GUEST_CHANGED,
-	/* TSC page MSR was written by KVM userspace, update pending */
+	/* TSC page update was triggered from the host side */
 	HV_TSC_PAGE_HOST_CHANGED,
 	/* TSC page was properly set up and is currently active  */
 	HV_TSC_PAGE_SET,
-	/* TSC page is currently being updated and therefore is inactive */
-	HV_TSC_PAGE_UPDATING,
 	/* TSC page was set up with an inaccessible GPA */
 	HV_TSC_PAGE_BROKEN,
 };

index 10bc257d3803..247ac71b7a10 100644
@@ -1128,11 +1128,13 @@ void kvm_hv_setup_tsc_page(struct kvm *kvm,
 	BUILD_BUG_ON(sizeof(tsc_seq) != sizeof(hv->tsc_ref.tsc_sequence));
 	BUILD_BUG_ON(offsetof(struct ms_hyperv_tsc_page, tsc_sequence) != 0);
 
+	mutex_lock(&hv->hv_lock);
+
 	if (hv->hv_tsc_page_status == HV_TSC_PAGE_BROKEN ||
+	    hv->hv_tsc_page_status == HV_TSC_PAGE_SET ||
 	    hv->hv_tsc_page_status == HV_TSC_PAGE_UNSET)
-		return;
+		goto out_unlock;
 
-	mutex_lock(&hv->hv_lock);
 	if (!(hv->hv_tsc_page & HV_X64_MSR_TSC_REFERENCE_ENABLE))
 		goto out_unlock;
 

@@ -1194,45 +1196,19 @@ void kvm_hv_setup_tsc_page(struct kvm *kvm,
 	mutex_unlock(&hv->hv_lock);
 }
 
-void kvm_hv_invalidate_tsc_page(struct kvm *kvm)
+void kvm_hv_request_tsc_page_update(struct kvm *kvm)
 {
 	struct kvm_hv *hv = to_kvm_hv(kvm);
-	u64 gfn;
-	int idx;
-
-	if (hv->hv_tsc_page_status == HV_TSC_PAGE_BROKEN ||
-	    hv->hv_tsc_page_status == HV_TSC_PAGE_UNSET ||
-	    tsc_page_update_unsafe(hv))
-		return;
 
 	mutex_lock(&hv->hv_lock);
 
-	if (!(hv->hv_tsc_page & HV_X64_MSR_TSC_REFERENCE_ENABLE))
-		goto out_unlock;
-
-	/* Preserve HV_TSC_PAGE_GUEST_CHANGED/HV_TSC_PAGE_HOST_CHANGED states */
-	if (hv->hv_tsc_page_status == HV_TSC_PAGE_SET)
-		hv->hv_tsc_page_status = HV_TSC_PAGE_UPDATING;
+	if (hv->hv_tsc_page_status == HV_TSC_PAGE_SET &&
+	    !tsc_page_update_unsafe(hv))
+		hv->hv_tsc_page_status = HV_TSC_PAGE_HOST_CHANGED;
 
-	gfn = hv->hv_tsc_page >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT;
-
-	hv->tsc_ref.tsc_sequence = 0;
-
-	/*
-	 * Take the srcu lock as memslots will be accessed to check the gfn
-	 * cache generation against the memslots generation.
-	 */
-	idx = srcu_read_lock(&kvm->srcu);
-	if (kvm_write_guest(kvm, gfn_to_gpa(gfn),
-			    &hv->tsc_ref, sizeof(hv->tsc_ref.tsc_sequence)))
-		hv->hv_tsc_page_status = HV_TSC_PAGE_BROKEN;
-	srcu_read_unlock(&kvm->srcu, idx);
-
-out_unlock:
 	mutex_unlock(&hv->hv_lock);
 }
 
-
 static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr)
 {
 	if (!hv_vcpu->enforce_cpuid)

index ed1c4e546d04..3e79b4a9ed4e 100644
@@ -133,7 +133,7 @@ void kvm_hv_process_stimers(struct kvm_vcpu *vcpu);
 
 void kvm_hv_setup_tsc_page(struct kvm *kvm,
 			   struct pvclock_vcpu_time_info *hv_clock);
-void kvm_hv_invalidate_tsc_page(struct kvm *kvm);
+void kvm_hv_request_tsc_page_update(struct kvm *kvm);
 
 void kvm_hv_init_vm(struct kvm *kvm);
 void kvm_hv_destroy_vm(struct kvm *kvm);

index 7a7b8d5b775e..5e7e8d163b98 100644
@@ -140,6 +140,15 @@ static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)
 	return sample_period;
 }
 
+static inline void pmc_update_sample_period(struct kvm_pmc *pmc)
+{
+	if (!pmc->perf_event || pmc->is_paused)
+		return;
+
+	perf_event_period(pmc->perf_event,
+			  get_sample_period(pmc, pmc->counter));
+}
+
 void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
 void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
 void reprogram_counter(struct kvm_pmu *pmu, int pmc_idx);

index ba40b7fced5a..b5b0837df0d1 100644
@@ -257,6 +257,7 @@ static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 	pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);
 	if (pmc) {
 		pmc->counter += data - pmc_read_counter(pmc);
+		pmc_update_sample_period(pmc);
 		return 0;
 	}
 	/* MSR_EVNTSELn */

83 lines not on this page · raw message

index dc822a1d403d..896ddf739236 100644
@@ -4618,6 +4618,11 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
 		kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
 	}
 
+	if (vmx->nested.update_vmcs01_apicv_status) {
+		vmx->nested.update_vmcs01_apicv_status = false;
+		kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
+	}
+
 	if ((vm_exit_reason != -1) &&
 	    (enable_shadow_vmcs || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)))
 		vmx->nested.need_vmcs12_to_shadow_sync = true;

index 5fa3870b8988..a0c84761c938 100644
@@ -431,15 +431,11 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 			    !(msr & MSR_PMC_FULL_WIDTH_BIT))
 				data = (s64)(s32)data;
 			pmc->counter += data - pmc_read_counter(pmc);
-			if (pmc->perf_event && !pmc->is_paused)
-				perf_event_period(pmc->perf_event,
-						  get_sample_period(pmc, data));
+			pmc_update_sample_period(pmc);
 			return 0;
 		} else if ((pmc = get_fixed_pmc(pmu, msr))) {
 			pmc->counter += data - pmc_read_counter(pmc);
-			if (pmc->perf_event && !pmc->is_paused)
-				perf_event_period(pmc->perf_event,
-						  get_sample_period(pmc, data));
+			pmc_update_sample_period(pmc);
 			return 0;
 		} else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
 			if (data == pmc->eventsel)

index b730d799c26e..ef63cfd57029 100644
@@ -4182,6 +4182,11 @@ static void vmx_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 
+	if (is_guest_mode(vcpu)) {
+		vmx->nested.update_vmcs01_apicv_status = true;
+		return;
+	}
+
 	pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
 	if (cpu_has_secondary_exec_ctrls()) {
 		if (kvm_vcpu_apicv_active(vcpu))

index 9c6bfcd84008..b98c7e96697a 100644
@@ -183,6 +183,7 @@ struct nested_vmx {
 	bool change_vmcs01_virtual_apic_mode;
 	bool reload_vmcs01_apic_access_page;
 	bool update_vmcs01_cpu_dirty_logging;
+	bool update_vmcs01_apicv_status;
 
 	/*
 	 * Enlightened VMCS has been enabled. It does not mean that L1 has to

index 05128162ebd5..23d176cd12a4 100644
@@ -2874,7 +2874,7 @@ static void kvm_end_pvclock_update(struct kvm *kvm)
 
 static void kvm_update_masterclock(struct kvm *kvm)
 {
-	kvm_hv_invalidate_tsc_page(kvm);
+	kvm_hv_request_tsc_page_update(kvm);
 	kvm_start_pvclock_update(kvm);
 	pvclock_update_vm_gtod_copy(kvm);
 	kvm_end_pvclock_update(kvm);

@@ -3086,8 +3086,7 @@ static int kvm_guest_time_update(struct kvm_vcpu *v)
 				       offsetof(struct compat_vcpu_info, time));
 	if (vcpu->xen.vcpu_time_info_set)
 		kvm_setup_pvclock_page(v, &vcpu->xen.vcpu_time_info_cache, 0);
-	if (!v->vcpu_idx)
-		kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock);
+	kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock);
 	return 0;
 }
 

@@ -6190,7 +6189,7 @@ static int kvm_vm_ioctl_set_clock(struct kvm *kvm, void __user *argp)
 	if (data.flags & ~KVM_CLOCK_VALID_FLAGS)
 		return -EINVAL;
 
-	kvm_hv_invalidate_tsc_page(kvm);
+	kvm_hv_request_tsc_page_update(kvm);
 	kvm_start_pvclock_update(kvm);
 	pvclock_update_vm_gtod_copy(kvm);
 

@@ -10297,12 +10296,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu)
 
 static inline int complete_emulated_io(struct kvm_vcpu *vcpu)
 {
-	int r;
-
-	vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
-	r = kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE);
-	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
-	return r;
+	return kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE);
 }
 
 static int complete_emulated_pio(struct kvm_vcpu *vcpu)

@@ -11119,8 +11113,21 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 		r = kvm_create_lapic(vcpu, lapic_timer_advance_ns);
 		if (r < 0)
 			goto fail_mmu_destroy;
-		if (kvm_apicv_activated(vcpu->kvm))
+
+		/*
+		 * Defer evaluating inhibits until the vCPU is first run, as
+		 * this vCPU will not get notified of any changes until this
+		 * vCPU is visible to other vCPUs (marked online and added to
+		 * the set of vCPUs).  Opportunistically mark APICv active as
+		 * VMX in particularly is highly unlikely to have inhibits.
+		 * Ignore the current per-VM APICv state so that vCPU creation
+		 * is guaranteed to run with a deterministic value, the request
+		 * will ensure the vCPU gets the correct state before VM-Entry.
+		 */
+		if (enable_apicv) {
 			vcpu->arch.apicv_active = true;
+			kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
+		}
 	} else
 		static_branch_inc(&kvm_has_noapic_vcpu);
 

index 0dde21e0d3de..ad1841cecdfb 100644
@@ -40,7 +40,7 @@ static int patch_text_stop_machine(void *data)
 {
 	struct patch *patch = data;
 
-	if (atomic_inc_return(&patch->cpu_count) == 1) {
+	if (atomic_inc_return(&patch->cpu_count) == num_online_cpus()) {
 		local_patch_text(patch->addr, patch->data, patch->sz);
 		atomic_inc(&patch->cpu_count);
 	} else {

index 4a86340133e4..f8703db99c73 100644
@@ -629,7 +629,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 		return compat_put_long(argp,
 			(bdev->bd_disk->bdi->ra_pages * PAGE_SIZE) / 512);
 	case BLKGETSIZE:
-		if (bdev_nr_sectors(bdev) > ~0UL)
+		if (bdev_nr_sectors(bdev) > ~(compat_ulong_t)0)
 			return -EFBIG;
 		return compat_put_ulong(argp, bdev_nr_sectors(bdev));
 

index 0c5a51970fbf..014ccb0f45dc 100644
@@ -77,6 +77,8 @@ static int marvell_cable_detect(struct ata_port *ap)
 	switch(ap->port_no)
 	{
 	case 0:
+		if (!ap->ioaddr.bmdma_addr)
+			return ATA_CBL_PATA_UNK;
 		if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
 			return ATA_CBL_PATA40;
 		return ATA_CBL_PATA80;

index 1476156af74b..def564d1e8fa 100644
@@ -1453,7 +1453,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 {
 	struct at_xdmac_chan	*atchan = to_at_xdmac_chan(chan);
 	struct at_xdmac		*atxdmac = to_at_xdmac(atchan->chan.device);
-	struct at_xdmac_desc	*desc, *_desc;
+	struct at_xdmac_desc	*desc, *_desc, *iter;
 	struct list_head	*descs_list;
 	enum dma_status		ret;
 	int			residue, retry;

@@ -1568,11 +1568,13 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 	 * microblock.
 	 */
 	descs_list = &desc->descs_list;
-	list_for_each_entry_safe(desc, _desc, descs_list, desc_node) {
-		dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg);
-		residue -= (desc->lld.mbr_ubc & 0xffffff) << dwidth;
-		if ((desc->lld.mbr_nda & 0xfffffffc) == cur_nda)
+	list_for_each_entry_safe(iter, _desc, descs_list, desc_node) {
+		dwidth = at_xdmac_get_dwidth(iter->lld.mbr_cfg);
+		residue -= (iter->lld.mbr_ubc & 0xffffff) << dwidth;
+		if ((iter->lld.mbr_nda & 0xfffffffc) == cur_nda) {
+			desc = iter;
 			break;
+		}
 	}
 	residue += cur_ubc << dwidth;
 

index 329fc2e57b70..b5b8f8181e77 100644
@@ -415,8 +415,11 @@ void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first)
 			  (DW_EDMA_V0_CCS | DW_EDMA_V0_LLE));
 		/* Linked list */
 		#ifdef CONFIG_64BIT
-			SET_CH_64(dw, chan->dir, chan->id, llp.reg,
-				  chunk->ll_region.paddr);
+			/* llp is not aligned on 64bit -> keep 32bit accesses */
+			SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
+				  lower_32_bits(chunk->ll_region.paddr));
+			SET_CH_32(dw, chan->dir, chan->id, llp.msb,
+				  upper_32_bits(chunk->ll_region.paddr));
 		#else /* CONFIG_64BIT */
 			SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
 				  lower_32_bits(chunk->ll_region.paddr));

index 3061fe857d69..f652da6ab47d 100644
@@ -373,7 +373,6 @@ static void idxd_wq_device_reset_cleanup(struct idxd_wq *wq)
 {
 	lockdep_assert_held(&wq->wq_lock);
 
-	idxd_wq_disable_cleanup(wq);
 	wq->size = 0;
 	wq->group = NULL;
 }

@@ -701,14 +700,17 @@ static void idxd_device_wqs_clear_state(struct idxd_device *idxd)
 
 		if (wq->state == IDXD_WQ_ENABLED) {
 			idxd_wq_disable_cleanup(wq);
-			idxd_wq_device_reset_cleanup(wq);
 			wq->state = IDXD_WQ_DISABLED;
 		}
+		idxd_wq_device_reset_cleanup(wq);
 	}
 }
 
 void idxd_device_clear_state(struct idxd_device *idxd)
 {
+	if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+		return;
+
 	idxd_groups_clear_state(idxd);
 	idxd_engines_clear_state(idxd);
 	idxd_device_wqs_clear_state(idxd);

index e289fd48711a..c01db23e3333 100644
@@ -150,14 +150,15 @@ static void llist_abort_desc(struct idxd_wq *wq, struct idxd_irq_entry *ie,
  */
 int idxd_enqcmds(struct idxd_wq *wq, void __iomem *portal, const void *desc)
 {
-	int rc, retries = 0;
+	unsigned int retries = wq->enqcmds_retries;
+	int rc;
 
 	do {
 		rc = enqcmds(portal, desc);
 		if (rc == 0)
 			break;
 		cpu_relax();
-	} while (retries++ < wq->enqcmds_retries);
+	} while (retries--);
 
 	return rc;
 }

index 7e19ab92b61a..dfd549685c46 100644
@@ -905,6 +905,9 @@ static ssize_t wq_max_transfer_size_store(struct device *dev, struct device_attr
 	u64 xfer_size;
 	int rc;
 
+	if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+		return -EPERM;
+
 	if (wq->state != IDXD_WQ_DISABLED)
 		return -EPERM;
 

@@ -939,6 +942,9 @@ static ssize_t wq_max_batch_size_store(struct device *dev, struct device_attribu
 	u64 batch_size;
 	int rc;
 
+	if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+		return -EPERM;
+
 	if (wq->state != IDXD_WQ_DISABLED)
 		return -EPERM;
 

index 75ec0754d4ad..b1e6173fcc27 100644
@@ -198,12 +198,12 @@ struct sdma_script_start_addrs {
 	s32 per_2_firi_addr;
 	s32 mcu_2_firi_addr;
 	s32 uart_2_per_addr;
-	s32 uart_2_mcu_ram_addr;
+	s32 uart_2_mcu_addr;
 	s32 per_2_app_addr;
 	s32 mcu_2_app_addr;
 	s32 per_2_per_addr;
 	s32 uartsh_2_per_addr;
-	s32 uartsh_2_mcu_ram_addr;
+	s32 uartsh_2_mcu_addr;
 	s32 per_2_shp_addr;
 	s32 mcu_2_shp_addr;
 	s32 ata_2_mcu_addr;

@@ -232,8 +232,8 @@ struct sdma_script_start_addrs {
 	s32 mcu_2_ecspi_addr;
 	s32 mcu_2_sai_addr;
 	s32 sai_2_mcu_addr;
-	s32 uart_2_mcu_addr;
-	s32 uartsh_2_mcu_addr;
+	s32 uart_2_mcu_rom_addr;
+	s32 uartsh_2_mcu_rom_addr;
 	/* End of v3 array */
 	s32 mcu_2_zqspi_addr;
 	/* End of v4 array */

@@ -1780,17 +1780,17 @@ static void sdma_add_scripts(struct sdma_engine *sdma,
 			saddr_arr[i] = addr_arr[i];
 
 	/*
-	 * get uart_2_mcu_addr/uartsh_2_mcu_addr rom script specially because
-	 * they are now replaced by uart_2_mcu_ram_addr/uartsh_2_mcu_ram_addr
-	 * to be compatible with legacy freescale/nxp sdma firmware, and they
-	 * are located in the bottom part of sdma_script_start_addrs which are
-	 * beyond the SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1.
+	 * For compatibility with NXP internal legacy kernel before 4.19 which
+	 * is based on uart ram script and mainline kernel based on uart rom
+	 * script, both uart ram/rom scripts are present in newer sdma
+	 * firmware. Use the rom versions if they are present (V3 or newer).
 	 */
-	if (addr->uart_2_mcu_addr)
-		sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_addr;
-	if (addr->uartsh_2_mcu_addr)
-		sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_addr;
-
+	if (sdma->script_number >= SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3) {
+		if (addr->uart_2_mcu_rom_addr)
+			sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_rom_addr;
+		if (addr->uartsh_2_mcu_rom_addr)
+			sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_rom_addr;
+	}
 }
 
 static void sdma_load_firmware(const struct firmware *fw, void *context)

@@ -1869,7 +1869,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
 	u32 reg, val, shift, num_map, i;
 	int ret = 0;
 
-	if (IS_ERR(np) || IS_ERR(gpr_np))
+	if (IS_ERR(np) || !gpr_np)
 		goto out;
 
 	event_remap = of_find_property(np, propname, NULL);

@@ -1917,7 +1917,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
 	}
 
 out:
-	if (!IS_ERR(gpr_np))
+	if (gpr_np)
 		of_node_put(gpr_np);
 
 	return ret;

index 375e7e647df6..a1517ef1f4a0 100644
@@ -274,7 +274,7 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
 	unsigned int status;
 	int ret;
 
-	ret = pm_runtime_get_sync(mtkd->ddev.dev);
+	ret = pm_runtime_resume_and_get(mtkd->ddev.dev);
 	if (ret < 0) {
 		pm_runtime_put_noidle(chan->device->dev);
 		return ret;

@@ -288,18 +288,21 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
 	ret = readx_poll_timeout(readl, c->base + VFF_EN,
 			  status, !status, 10, 100);
 	if (ret)
-		return ret;
+		goto err_pm;
 
 	ret = request_irq(c->irq, mtk_uart_apdma_irq_handler,
 			  IRQF_TRIGGER_NONE, KBUILD_MODNAME, chan);
 	if (ret < 0) {
 		dev_err(chan->device->dev, "Can't request dma IRQ\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_pm;
 	}
 
 	if (mtkd->support_33bits)
 		mtk_uart_apdma_write(c, VFF_4G_SUPPORT, VFF_4G_SUPPORT_CLR_B);
 
+err_pm:
+	pm_runtime_put_noidle(mtkd->ddev.dev);
 	return ret;
 }
 

index f05ff02c0656..40b1abeca856 100644
@@ -164,6 +164,11 @@
 #define ECC_STAT_CECNT_SHIFT		8
 #define ECC_STAT_BITNUM_MASK		0x7F
 
+/* ECC error count register definitions */
+#define ECC_ERRCNT_UECNT_MASK		0xFFFF0000
+#define ECC_ERRCNT_UECNT_SHIFT		16
+#define ECC_ERRCNT_CECNT_MASK		0xFFFF
+
 /* DDR QOS Interrupt register definitions */
 #define DDR_QOS_IRQ_STAT_OFST		0x20200
 #define DDR_QOSUE_MASK			0x4

@@ -423,15 +428,16 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv)
 	base = priv->baseaddr;
 	p = &priv->stat;
 
+	regval = readl(base + ECC_ERRCNT_OFST);
+	p->ce_cnt = regval & ECC_ERRCNT_CECNT_MASK;
+	p->ue_cnt = (regval & ECC_ERRCNT_UECNT_MASK) >> ECC_ERRCNT_UECNT_SHIFT;
+	if (!p->ce_cnt)
+		goto ue_err;
+
 	regval = readl(base + ECC_STAT_OFST);
 	if (!regval)
 		return 1;
 
-	p->ce_cnt = (regval & ECC_STAT_CECNT_MASK) >> ECC_STAT_CECNT_SHIFT;
-	p->ue_cnt = (regval & ECC_STAT_UECNT_MASK) >> ECC_STAT_UECNT_SHIFT;
-	if (!p->ce_cnt)
-		goto ue_err;
-
 	p->ceinfo.bitpos = (regval & ECC_STAT_BITNUM_MASK);
 
 	regval = readl(base + ECC_CEADDR0_OFST);

index e48108e694f8..7dad6f57d970 100644
@@ -955,8 +955,7 @@ static int cs_dsp_create_control(struct cs_dsp *dsp,
 	ctl->alg_region = *alg_region;
 	if (subname && dsp->fw_ver >= 2) {
 		ctl->subname_len = subname_len;
-		ctl->subname = kmemdup(subname,
-				       strlen(subname) + 1, GFP_KERNEL);
+		ctl->subname = kasprintf(GFP_KERNEL, "%.*s", subname_len, subname);
 		if (!ctl->subname) {
 			ret = -ENOMEM;
 			goto err_ctl;

index 344e376b2ee9..d5a5cf269102 100644
@@ -1601,8 +1601,6 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
 
 	gpiochip_set_irq_hooks(gc);
 
-	acpi_gpiochip_request_interrupts(gc);
-
 	/*
 	 * Using barrier() here to prevent compiler from reordering
 	 * gc->irq.initialized before initialization of above

@@ -1612,6 +1610,8 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
 
 	gc->irq.initialized = true;
 
+	acpi_gpiochip_request_interrupts(gc);
+
 	return 0;
 }
 

index 87ed48d5530d..8bd265b40847 100644
@@ -138,6 +138,10 @@ static bool dmub_psr_set_version(struct dmub_psr *dmub, struct dc_stream_state *
 		cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_UNSUPPORTED;
 		break;
 	}
+
+	if (cmd.psr_set_version.psr_set_version_data.version == PSR_VERSION_UNSUPPORTED)
+		return false;
+
 	cmd.psr_set_version.psr_set_version_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
 	cmd.psr_set_version.psr_set_version_data.panel_inst = panel_inst;
 	cmd.psr_set_version.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data);

index b00de57cc957..cd32e1470b3c 100644
@@ -887,6 +887,20 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 		return false;
 	}
 
+	/* Wa_16011303918:adl-p */
+	if (crtc_state->vrr.enable &&
+	    IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
+		drm_dbg_kms(&dev_priv->drm,
+			    "PSR2 not enabled, not compatible with HW stepping + VRR\n");
+		return false;
+	}
+
+	if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
+		drm_dbg_kms(&dev_priv->drm,
+			    "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
+		return false;
+	}
+
 	if (HAS_PSR2_SEL_FETCH(dev_priv)) {
 		if (!intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) &&
 		    !HAS_PSR_HW_TRACKING(dev_priv)) {

@@ -900,12 +914,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 	if (!crtc_state->enable_psr2_sel_fetch &&
 	    IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) {
 		drm_dbg_kms(&dev_priv->drm, "PSR2 HW tracking is not supported this Display stepping\n");
-		return false;
+		goto unsupported;
 	}
 
 	if (!psr2_granularity_check(intel_dp, crtc_state)) {
 		drm_dbg_kms(&dev_priv->drm, "PSR2 not enabled, SU granularity not compatible\n");
-		return false;
+		goto unsupported;
 	}
 
 	if (!crtc_state->enable_psr2_sel_fetch &&

@@ -914,25 +928,15 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 			    "PSR2 not enabled, resolution %dx%d > max supported %dx%d\n",
 			    crtc_hdisplay, crtc_vdisplay,
 			    psr_max_h, psr_max_v);
-		return false;
-	}
-
-	if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
-		drm_dbg_kms(&dev_priv->drm,
-			    "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
-		return false;
-	}
-
-	/* Wa_16011303918:adl-p */
-	if (crtc_state->vrr.enable &&
-	    IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
-		drm_dbg_kms(&dev_priv->drm,
-			    "PSR2 not enabled, not compatible with HW stepping + VRR\n");
-		return false;
+		goto unsupported;
 	}
 
 	tgl_dc3co_exitline_compute_config(intel_dp, crtc_state);
 	return true;
+
+unsupported:
+	crtc_state->enable_psr2_sel_fetch = false;
+	return false;
 }
 
 void intel_psr_compute_config(struct intel_dp *intel_dp,

index fb261930ad1c..e8a8240a6868 100644
@@ -601,29 +601,20 @@ static const struct of_device_id dt_match[] = {
 };
 
 #ifdef CONFIG_PM
-static int adreno_resume(struct device *dev)
+static int adreno_runtime_resume(struct device *dev)
 {
 	struct msm_gpu *gpu = dev_to_gpu(dev);
 
 	return gpu->funcs->pm_resume(gpu);
 }
 
-static int active_submits(struct msm_gpu *gpu)
-{
-	int active_submits;
-	mutex_lock(&gpu->active_lock);
-	active_submits = gpu->active_submits;
-	mutex_unlock(&gpu->active_lock);
-	return active_submits;
-}
-
-static int adreno_suspend(struct device *dev)
+static int adreno_runtime_suspend(struct device *dev)
 {
 	struct msm_gpu *gpu = dev_to_gpu(dev);
 	int remaining;
 
 	remaining = wait_event_timeout(gpu->retire_event,
-				       active_submits(gpu) == 0,
+				       gpu->active_submits == 0,
 				       msecs_to_jiffies(1000));
 	if (remaining == 0) {
 		dev_err(dev, "Timeout waiting for GPU to suspend\n");

@@ -636,7 +627,7 @@ static int adreno_suspend(struct device *dev)
 
 static const struct dev_pm_ops adreno_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL)
+	SET_RUNTIME_PM_OPS(adreno_runtime_suspend, adreno_runtime_resume, NULL)
 };
 
 static struct platform_driver adreno_driver = {

index c6b69afcbac8..50e854207c70 100644
@@ -90,7 +90,10 @@ static void mdp5_plane_reset(struct drm_plane *plane)
 		__drm_atomic_helper_plane_destroy_state(plane->state);
 
 	kfree(to_mdp5_plane_state(plane->state));
+	plane->state = NULL;
 	mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
+	if (!mdp5_state)
+		return;
 
 	if (plane->type == DRM_PLANE_TYPE_PRIMARY)
 		mdp5_state->base.zpos = STAGE_BASE;

index 5d2ff6791058..acfe1b31e079 100644
@@ -176,6 +176,8 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
 	va_list va;
 
 	new_blk = kzalloc(sizeof(struct msm_disp_state_block), GFP_KERNEL);
+	if (!new_blk)
+		return;
 
 	va_start(va, fmt);
 

index 46029c5610c8..145047e19394 100644
@@ -229,7 +229,7 @@ static void rpi_touchscreen_i2c_write(struct rpi_touchscreen *ts,
 
 	ret = i2c_smbus_write_byte_data(ts->i2c, reg, val);
 	if (ret)
-		dev_err(&ts->dsi->dev, "I2C write failed: %d\n", ret);
+		dev_err(&ts->i2c->dev, "I2C write failed: %d\n", ret);
 }
 
 static int rpi_touchscreen_write(struct rpi_touchscreen *ts, u16 reg, u32 val)

@@ -265,7 +265,7 @@ static int rpi_touchscreen_noop(struct drm_panel *panel)
 	return 0;
 }
 
-static int rpi_touchscreen_enable(struct drm_panel *panel)
+static int rpi_touchscreen_prepare(struct drm_panel *panel)
 {
 	struct rpi_touchscreen *ts = panel_to_ts(panel);
 	int i;

@@ -295,6 +295,13 @@ static int rpi_touchscreen_enable(struct drm_panel *panel)
 	rpi_touchscreen_write(ts, DSI_STARTDSI, 0x01);
 	msleep(100);
 
+	return 0;
+}
+
+static int rpi_touchscreen_enable(struct drm_panel *panel)
+{
+	struct rpi_touchscreen *ts = panel_to_ts(panel);
+
 	/* Turn on the backlight. */
 	rpi_touchscreen_i2c_write(ts, REG_PWM, 255);
 

@@ -349,7 +356,7 @@ static int rpi_touchscreen_get_modes(struct drm_panel *panel,
 static const struct drm_panel_funcs rpi_touchscreen_funcs = {
 	.disable = rpi_touchscreen_disable,
 	.unprepare = rpi_touchscreen_noop,
-	.prepare = rpi_touchscreen_noop,
+	.prepare = rpi_touchscreen_prepare,
 	.enable = rpi_touchscreen_enable,
 	.get_modes = rpi_touchscreen_get_modes,
 };

index b991ba1bcd51..f63efd8d5e52 100644
@@ -96,7 +96,7 @@ int radeon_sync_resv(struct radeon_device *rdev,
 	struct dma_fence *f;
 	int r = 0;
 
-	dma_resv_for_each_fence(&cursor, resv, shared, f) {
+	dma_resv_for_each_fence(&cursor, resv, !shared, f) {
 		fence = to_radeon_fence(f);
 		if (fence && fence->rdev == rdev)
 			radeon_sync_fence(sync, fence);

index 9300d3354c51..64dfefeb03f5 100644
@@ -846,7 +846,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
 	unsigned long phy_clock;
 	int ret;
 
-	ret = pm_runtime_get_sync(dev);
+	ret = pm_runtime_resume_and_get(dev);
 	if (ret) {
 		DRM_ERROR("Failed to runtime PM enable on DSI%d\n", dsi->variant->port);
 		return;

70 lines not on this page · raw message

index fe36efdb7ff5..f685d426af7e 100644
@@ -997,13 +997,10 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
 		goto out_no_fman;
 	}
 
-	drm_vma_offset_manager_init(&dev_priv->vma_manager,
-				    DRM_FILE_PAGE_OFFSET_START,
-				    DRM_FILE_PAGE_OFFSET_SIZE);
 	ret = ttm_device_init(&dev_priv->bdev, &vmw_bo_driver,
 			      dev_priv->drm.dev,
 			      dev_priv->drm.anon_inode->i_mapping,
-			      &dev_priv->vma_manager,
+			      dev_priv->drm.vma_offset_manager,
 			      dev_priv->map_mode == vmw_dma_alloc_coherent,
 			      false);
 	if (unlikely(ret != 0)) {

@@ -1173,7 +1170,6 @@ static void vmw_driver_unload(struct drm_device *dev)
 	vmw_devcaps_destroy(dev_priv);
 	vmw_vram_manager_fini(dev_priv);
 	ttm_device_fini(&dev_priv->bdev);
-	drm_vma_offset_manager_destroy(&dev_priv->vma_manager);
 	vmw_release_device_late(dev_priv);
 	vmw_fence_manager_takedown(dev_priv->fman);
 	if (dev_priv->capabilities & SVGA_CAP_IRQMASK)

@@ -1397,7 +1393,7 @@ vmw_get_unmapped_area(struct file *file, unsigned long uaddr,
 	struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev);
 
 	return drm_get_unmapped_area(file, uaddr, len, pgoff, flags,
-				     &dev_priv->vma_manager);
+				     dev_priv->drm.vma_offset_manager);
 }
 
 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,

index 00e8e27e4884..ace7ca150b03 100644
@@ -683,6 +683,9 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base)
 	    container_of(base, struct vmw_user_surface, prime.base);
 	struct vmw_resource *res = &user_srf->srf.res;
 
+	if (base->shareable && res && res->backup)
+		drm_gem_object_put(&res->backup->base.base);
+
 	*p_base = NULL;
 	vmw_resource_unreference(&res);
 }

@@ -857,6 +860,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 			goto out_unlock;
 		}
 		vmw_bo_reference(res->backup);
+		drm_gem_object_get(&res->backup->base.base);
 	}
 
 	tmp = vmw_resource_reference(&srf->res);

@@ -1513,7 +1517,6 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 							&res->backup);
 		if (ret == 0)
 			vmw_bo_reference(res->backup);
-
 	}
 
 	if (unlikely(ret != 0)) {

@@ -1561,6 +1564,8 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 			drm_vma_node_offset_addr(&res->backup->base.base.vma_node);
 		rep->buffer_size = res->backup->base.base.size;
 		rep->buffer_handle = backup_handle;
+		if (user_srf->prime.base.shareable)
+			drm_gem_object_get(&res->backup->base.base);
 	} else {
 		rep->buffer_map_handle = 0;
 		rep->buffer_size = 0;

index 43375b38ee59..8a7ce41b8c56 100644
@@ -393,7 +393,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
 	 * revision register.
 	 */
 	error = pm_runtime_get_sync(dev);
-	if (error) {
+	if (error < 0) {
 		dev_err(dev, "pm_runtime_get_sync() failed\n");
 		pm_runtime_put_noidle(dev);
 		return error;

index 33f1a1377588..24d715c28a35 100644
@@ -486,8 +486,8 @@ int aq_nic_start(struct aq_nic_s *self)
 	if (err < 0)
 		goto err_exit;
 
-	for (i = 0U, aq_vec = self->aq_vec[0];
-		self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
+	for (i = 0U; self->aq_vecs > i; ++i) {
+		aq_vec = self->aq_vec[i];
 		err = aq_vec_start(aq_vec);
 		if (err < 0)
 			goto err_exit;

@@ -517,8 +517,8 @@ int aq_nic_start(struct aq_nic_s *self)
 		mod_timer(&self->polling_timer, jiffies +
 			  AQ_CFG_POLLING_TIMER_INTERVAL);
 	} else {
-		for (i = 0U, aq_vec = self->aq_vec[0];
-			self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
+		for (i = 0U; self->aq_vecs > i; ++i) {
+			aq_vec = self->aq_vec[i];
 			err = aq_pci_func_alloc_irq(self, i, self->ndev->name,
 						    aq_vec_isr, aq_vec,
 						    aq_vec_get_affinity_mask(aq_vec));

index 797a95142d1f..3a529ee8c834 100644
@@ -444,22 +444,22 @@ static int atl_resume_common(struct device *dev, bool deep)
 
 static int aq_pm_freeze(struct device *dev)
 {
-	return aq_suspend_common(dev, false);
+	return aq_suspend_common(dev, true);
 }
 
 static int aq_pm_suspend_poweroff(struct device *dev)
 {
-	return aq_suspend_common(dev, true);
+	return aq_suspend_common(dev, false);
 }
 
 static int aq_pm_thaw(struct device *dev)
 {
-	return atl_resume_common(dev, false);
+	return atl_resume_common(dev, true);
 }
 
 static int aq_pm_resume_restore(struct device *dev)
 {
-	return atl_resume_common(dev, true);
+	return atl_resume_common(dev, false);
 }
 
 static const struct dev_pm_ops aq_pm_ops = {

index f4774cf051c9..6ab1f3212d24 100644
@@ -43,8 +43,8 @@ static int aq_vec_poll(struct napi_struct *napi, int budget)
 	if (!self) {
 		err = -EINVAL;
 	} else {
-		for (i = 0U, ring = self->ring[0];
-			self->tx_rings > i; ++i, ring = self->ring[i]) {
+		for (i = 0U; self->tx_rings > i; ++i) {
+			ring = self->ring[i];
 			u64_stats_update_begin(&ring[AQ_VEC_RX_ID].stats.rx.syncp);
 			ring[AQ_VEC_RX_ID].stats.rx.polls++;
 			u64_stats_update_end(&ring[AQ_VEC_RX_ID].stats.rx.syncp);

@@ -182,8 +182,8 @@ int aq_vec_init(struct aq_vec_s *self, const struct aq_hw_ops *aq_hw_ops,
 	self->aq_hw_ops = aq_hw_ops;
 	self->aq_hw = aq_hw;
 
-	for (i = 0U, ring = self->ring[0];
-		self->tx_rings > i; ++i, ring = self->ring[i]) {
+	for (i = 0U; self->tx_rings > i; ++i) {
+		ring = self->ring[i];
 		err = aq_ring_init(&ring[AQ_VEC_TX_ID], ATL_RING_TX);
 		if (err < 0)
 			goto err_exit;

@@ -224,8 +224,8 @@ int aq_vec_start(struct aq_vec_s *self)
 	unsigned int i = 0U;
 	int err = 0;
 
-	for (i = 0U, ring = self->ring[0];
-		self->tx_rings > i; ++i, ring = self->ring[i]) {
+	for (i = 0U; self->tx_rings > i; ++i) {
+		ring = self->ring[i];
 		err = self->aq_hw_ops->hw_ring_tx_start(self->aq_hw,
 							&ring[AQ_VEC_TX_ID]);
 		if (err < 0)

@@ -248,8 +248,8 @@ void aq_vec_stop(struct aq_vec_s *self)
 	struct aq_ring_s *ring = NULL;
 	unsigned int i = 0U;
 
-	for (i = 0U, ring = self->ring[0];
-		self->tx_rings > i; ++i, ring = self->ring[i]) {
+	for (i = 0U; self->tx_rings > i; ++i) {
+		ring = self->ring[i];
 		self->aq_hw_ops->hw_ring_tx_stop(self->aq_hw,
 						 &ring[AQ_VEC_TX_ID]);
 

@@ -268,8 +268,8 @@ void aq_vec_deinit(struct aq_vec_s *self)
 	if (!self)
 		goto err_exit;
 
-	for (i = 0U, ring = self->ring[0];
-		self->tx_rings > i; ++i, ring = self->ring[i]) {
+	for (i = 0U; self->tx_rings > i; ++i) {
+		ring = self->ring[i];
 		aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]);
 		aq_ring_rx_deinit(&ring[AQ_VEC_RX_ID]);
 	}

@@ -297,8 +297,8 @@ void aq_vec_ring_free(struct aq_vec_s *self)
 	if (!self)
 		goto err_exit;
 
-	for (i = 0U, ring = self->ring[0];
-		self->tx_rings > i; ++i, ring = self->ring[i]) {
+	for (i = 0U; self->tx_rings > i; ++i) {
+		ring = self->ring[i];
 		aq_ring_free(&ring[AQ_VEC_TX_ID]);
 		if (i < self->rx_rings)
 			aq_ring_free(&ring[AQ_VEC_RX_ID]);

index d13f06cf0308..c4f4b13ac469 100644
@@ -1656,6 +1656,7 @@ static void macb_tx_restart(struct macb_queue *queue)
 	unsigned int head = queue->tx_head;
 	unsigned int tail = queue->tx_tail;
 	struct macb *bp = queue->bp;
+	unsigned int head_idx, tbqp;
 
 	if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
 		queue_writel(queue, ISR, MACB_BIT(TXUBR));

@@ -1663,6 +1664,13 @@ static void macb_tx_restart(struct macb_queue *queue)
 	if (head == tail)
 		return;
 
+	tbqp = queue_readl(queue, TBQP) / macb_dma_desc_get_size(bp);
+	tbqp = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, tbqp));
+	head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, head));
+
+	if (tbqp == head_idx)
+		return;
+
 	macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART));
 }
 

index 763d2c7b5fb1..5750f9a56393 100644
@@ -489,11 +489,15 @@ static int dpaa_get_ts_info(struct net_device *net_dev,
 	info->phc_index = -1;
 
 	fman_node = of_get_parent(mac_node);
-	if (fman_node)
+	if (fman_node) {
 		ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
+		of_node_put(fman_node);
+	}
 
-	if (ptp_node)
+	if (ptp_node) {
 		ptp_dev = of_find_device_by_node(ptp_node);
+		of_node_put(ptp_node);
+	}
 
 	if (ptp_dev)
 		ptp = platform_get_drvdata(ptp_dev);

index d60e2016d03c..e6c8e6d5234f 100644
@@ -1009,8 +1009,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
 {
 	u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
 	    link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
-	u16 max_ltr_enc_d = 0;	/* maximum LTR decoded by platform */
-	u16 lat_enc_d = 0;	/* latency decoded */
+	u32 max_ltr_enc_d = 0;	/* maximum LTR decoded by platform */
+	u32 lat_enc_d = 0;	/* latency decoded */
 	u16 lat_enc = 0;	/* latency encoded */
 
 	if (link) {

index 73edc24d81d5..c54b72f9fd34 100644
@@ -342,7 +342,8 @@ ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 	np = netdev_priv(netdev);
 	vsi = np->vsi;
 
-	if (ice_is_reset_in_progress(vsi->back->state))
+	if (ice_is_reset_in_progress(vsi->back->state) ||
+	    test_bit(ICE_VF_DIS, vsi->back->state))
 		return NETDEV_TX_BUSY;
 
 	repr = ice_netdev_to_repr(netdev);

index bd58d9d2e565..6a413331572b 100644
@@ -52,7 +52,7 @@ static inline void ice_eswitch_update_repr(struct ice_vsi *vsi) { }
 
 static inline int ice_eswitch_configure(struct ice_pf *pf)
 {
-	return -EOPNOTSUPP;
+	return 0;
 }
 
 static inline int ice_eswitch_rebuild(struct ice_pf *pf)

index 4eb0599714f4..13cdb5ea594d 100644
@@ -641,6 +641,7 @@ ice_get_orom_civd_data(struct ice_hw *hw, enum ice_bank_select bank,
 	status = ice_read_flash_module(hw, bank, ICE_SR_1ST_OROM_BANK_PTR, 0,
 				       orom_data, hw->flash.banks.orom_size);
 	if (status) {
+		vfree(orom_data);
 		ice_debug(hw, ICE_DBG_NVM, "Unable to read Option ROM data\n");
 		return status;
 	}

index 66ea566488d1..59d5c467ea6e 100644
@@ -156,8 +156,15 @@ void igc_release_swfw_sync_i225(struct igc_hw *hw, u16 mask)
 {
 	u32 swfw_sync;
 
-	while (igc_get_hw_semaphore_i225(hw))
-		; /* Empty */
+	/* Releasing the resource requires first getting the HW semaphore.
+	 * If we fail to get the semaphore, there is nothing we can do,
+	 * except log an error and quit. We are not allowed to hang here
+	 * indefinitely, as it may cause denial of service or system crash.
+	 */
+	if (igc_get_hw_semaphore_i225(hw)) {
+		hw_dbg("Failed to release SW_FW_SYNC.\n");
+		return;
+	}
 
 	swfw_sync = rd32(IGC_SW_FW_SYNC);
 	swfw_sync &= ~mask;

index 40dbf4b43234..6961f65d36b9 100644
@@ -581,7 +581,7 @@ static s32 igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data)
 	 * the lower time out
 	 */
 	for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
-		usleep_range(500, 1000);
+		udelay(50);
 		mdic = rd32(IGC_MDIC);
 		if (mdic & IGC_MDIC_READY)
 			break;

@@ -638,7 +638,7 @@ static s32 igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data)
 	 * the lower time out
 	 */
 	for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
-		usleep_range(500, 1000);
+		udelay(50);
 		mdic = rd32(IGC_MDIC);
 		if (mdic & IGC_MDIC_READY)
 			break;

index 0d6e3215e98f..653e9f1e35b5 100644
@@ -992,6 +992,17 @@ static void igc_ptp_time_restore(struct igc_adapter *adapter)
 	igc_ptp_write_i225(adapter, &ts);
 }
 
+static void igc_ptm_stop(struct igc_adapter *adapter)
+{
+	struct igc_hw *hw = &adapter->hw;
+	u32 ctrl;
+
+	ctrl = rd32(IGC_PTM_CTRL);
+	ctrl &= ~IGC_PTM_CTRL_EN;
+
+	wr32(IGC_PTM_CTRL, ctrl);
+}
+
 /**
  * igc_ptp_suspend - Disable PTP work items and prepare for suspend
  * @adapter: Board private structure

@@ -1009,8 +1020,10 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
 	adapter->ptp_tx_skb = NULL;
 	clear_bit_unlock(__IGC_PTP_TX_IN_PROGRESS, &adapter->state);
 
-	if (pci_device_is_present(adapter->pdev))
+	if (pci_device_is_present(adapter->pdev)) {
 		igc_ptp_time_save(adapter);
+		igc_ptm_stop(adapter);
+	}
 }
 
 /**

index fd3ceb74620d..a314040c1a6a 100644
@@ -2508,6 +2508,8 @@ static void ocelot_port_set_mcast_flood(struct ocelot *ocelot, int port,
 		val = BIT(port);
 
 	ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MC);
+	ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV4);
+	ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV6);
 }
 
 static void ocelot_port_set_bcast_flood(struct ocelot *ocelot, int port,

index a7ec9f4d46ce..d68ef72dcdde 100644
@@ -71,9 +71,9 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
 	writel(value, ioaddr + PTP_TCR);
 
 	/* wait for present system time initialize to complete */
-	return readl_poll_timeout(ioaddr + PTP_TCR, value,
+	return readl_poll_timeout_atomic(ioaddr + PTP_TCR, value,
 				 !(value & PTP_TCR_TSINIT),
-				 10000, 100000);
+				 10, 100000);
 }
 
 static int config_addend(void __iomem *ioaddr, u32 addend)

index 359d16780dbb..1bf8f7c35b7d 100644
@@ -712,11 +712,11 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
 
 	rd = kmalloc(sizeof(*rd), GFP_ATOMIC);
 	if (rd == NULL)
-		return -ENOBUFS;
+		return -ENOMEM;
 
 	if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
 		kfree(rd);
-		return -ENOBUFS;
+		return -ENOMEM;
 	}
 
 	rd->remote_ip = *ip;

index 5d156e591b35..f7961b22e051 100644
@@ -557,7 +557,7 @@ enum brcmf_sdio_frmtype {
 	BRCMF_SDIO_FT_SUB,
 };
 
-#define SDIOD_DRVSTR_KEY(chip, pmu)     (((chip) << 16) | (pmu))
+#define SDIOD_DRVSTR_KEY(chip, pmu)     (((unsigned int)(chip) << 16) | (pmu))
 
 /* SDIO Pad drive strength to select value mappings */
 struct sdiod_drive_str {

index 8a22ee581674..df85ebc6e1df 100644
@@ -80,7 +80,7 @@ mt76x2e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
 
 	/* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
-	mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
+	mt76_rmw_field(dev, 0x15a0c, 0xfU << 28, 0xf);
 
 	/* RG_SSUSB_CDR_BR_PE1D = 0x3 */
 	mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);

index 6215d50ed3e7..10f7c79caac2 100644
@@ -1363,6 +1363,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
 				 warn_str, cur->nidl);
 			return -1;
 		}
+		if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+			return NVME_NIDT_EUI64_LEN;
 		memcpy(ids->eui64, data + sizeof(*cur), NVME_NIDT_EUI64_LEN);
 		return NVME_NIDT_EUI64_LEN;
 	case NVME_NIDT_NGUID:

@@ -1371,6 +1373,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
 				 warn_str, cur->nidl);
 			return -1;
 		}
+		if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+			return NVME_NIDT_NGUID_LEN;
 		memcpy(ids->nguid, data + sizeof(*cur), NVME_NIDT_NGUID_LEN);
 		return NVME_NIDT_NGUID_LEN;
 	case NVME_NIDT_UUID:

@@ -1379,6 +1383,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
 				 warn_str, cur->nidl);
 			return -1;
 		}
+		if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+			return NVME_NIDT_UUID_LEN;
 		uuid_copy(&ids->uuid, data + sizeof(*cur));
 		return NVME_NIDT_UUID_LEN;
 	case NVME_NIDT_CSI:

@@ -1475,12 +1481,18 @@ static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
 	if ((*id)->ncap == 0) /* namespace not allocated or attached */
 		goto out_free_id;
 
-	if (ctrl->vs >= NVME_VS(1, 1, 0) &&
-	    !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
-		memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
-	if (ctrl->vs >= NVME_VS(1, 2, 0) &&
-	    !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
-		memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
+
+	if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) {
+		dev_info(ctrl->device,
+			 "Ignoring bogus Namespace Identifiers\n");
+	} else {
+		if (ctrl->vs >= NVME_VS(1, 1, 0) &&
+		    !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
+			memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
+		if (ctrl->vs >= NVME_VS(1, 2, 0) &&
+		    !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
+			memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
+	}
 
 	return 0;
 

index 730cc80d84ff..68c42e831117 100644
@@ -144,6 +144,11 @@ enum nvme_quirks {
 	 * encoding the generation sequence number.
 	 */
 	NVME_QUIRK_SKIP_CID_GEN			= (1 << 17),
+
+	/*
+	 * Reports garbage in the namespace identifiers (eui64, nguid, uuid).
+	 */
+	NVME_QUIRK_BOGUS_NID			= (1 << 18),
 };
 
 /*

index 6a99ed680915..e4b79bee6206 100644
@@ -3405,7 +3405,10 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_VDEVICE(INTEL, 0x5845),	/* Qemu emulated controller */
 		.driver_data = NVME_QUIRK_IDENTIFY_CNS |
-				NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+				NVME_QUIRK_DISABLE_WRITE_ZEROES |
+				NVME_QUIRK_BOGUS_NID, },
+	{ PCI_VDEVICE(REDHAT, 0x0010),	/* Qemu emulated controller */
+		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x126f, 0x2263),	/* Silicon Motion unidentified */
 		.driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
 	{ PCI_DEVICE(0x1bb1, 0x0100),   /* Seagate Nytro Flash Storage */

@@ -3443,6 +3446,10 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
 	{ PCI_DEVICE(0x2646, 0x2263),   /* KINGSTON A2000 NVMe SSD  */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
+	{ PCI_DEVICE(0x1e4B, 0x1002),   /* MAXIO MAP1002 */
+		.driver_data = NVME_QUIRK_BOGUS_NID, },
+	{ PCI_DEVICE(0x1e4B, 0x1202),   /* MAXIO MAP1202 */
+		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0061),
 		.driver_data = NVME_QUIRK_DMA_ADDRESS_BITS_48, },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0065),

index 295cc7952d0e..57d20cf3da7a 100644
@@ -398,6 +398,9 @@ validate_group(struct perf_event *event)
 	if (!validate_event(event->pmu, &fake_pmu, leader))
 		return -EINVAL;
 
+	if (event == leader)
+		return 0;
+
 	for_each_sibling_event(sibling, leader) {
 		if (!validate_event(event->pmu, &fake_pmu, sibling))
 			return -EINVAL;

@@ -487,12 +490,7 @@ __hw_perf_event_init(struct perf_event *event)
 		local64_set(&hwc->period_left, hwc->sample_period);
 	}
 
-	if (event->group_leader != event) {
-		if (validate_group(event) != 0)
-			return -EINVAL;
-	}
-
-	return 0;
+	return validate_group(event);
 }
 
 static int armpmu_event_init(struct perf_event *event)

index c1d9ed9b7b67..19f6b456234f 100644
@@ -1121,8 +1121,6 @@ static void kbd_led_set(struct led_classdev *led_cdev,
 
 	if (value > samsung->kbd_led.max_brightness)
 		value = samsung->kbd_led.max_brightness;
-	else if (value < 0)
-		value = 0;
 
 	samsung->kbd_led_wk = value;
 	queue_work(samsung->led_workqueue, &samsung->kbd_led_work);

index 1e8315038850..a8dde4606360 100644
@@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, PTR_ERR(priv->rstc),
 				     "failed to get reset\n");
 
-	reset_control_deassert(priv->rstc);
+	error = reset_control_deassert(priv->rstc);
+	if (error)
+		return error;
 
 	priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
 	priv->rcdev.of_reset_n_cells = 1;

index 24d3395964cc..4c5bba52b105 100644
@@ -20,6 +20,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
 	struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
 	struct mrq_reset_request request;
 	struct tegra_bpmp_message msg;
+	int err;
 
 	memset(&request, 0, sizeof(request));
 	request.cmd = command;

@@ -30,7 +31,13 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
 	msg.tx.data = &request;
 	msg.tx.size = sizeof(request);
 
-	return tegra_bpmp_transfer(bpmp, &msg);
+	err = tegra_bpmp_transfer(bpmp, &msg);
+	if (err)
+		return err;
+	if (msg.rx.ret)
+		return -EINVAL;
+
+	return 0;
 }
 
 static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,

index 5521469ce678..e16327a4b4c9 100644
@@ -1977,7 +1977,7 @@ static int bnx2i_process_new_cqes(struct bnx2i_conn *bnx2i_conn)
 		if (nopin->cq_req_sn != qp->cqe_exp_seq_sn)
 			break;
 
-		if (unlikely(test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx))) {
+		if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
 			if (nopin->op_code == ISCSI_OP_NOOP_IN &&
 			    nopin->itt == (u16) RESERVED_ITT) {
 				printk(KERN_ALERT "bnx2i: Unsolicited "

index e21b053b4f3e..a592ca8602f9 100644
@@ -1721,7 +1721,7 @@ static int bnx2i_tear_down_conn(struct bnx2i_hba *hba,
 			struct iscsi_conn *conn = ep->conn->cls_conn->dd_data;
 
 			/* Must suspend all rx queue activity for this ep */
-			set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
+			set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
 		}
 		/* CONN_DISCONNECT timeout may or may not be an issue depending
 		 * on what transcribed in TCP layer, different targets behave

index 8c7d4dda4cf2..4365d52c6430 100644
@@ -1634,11 +1634,11 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk)
 	log_debug(1 << CXGBI_DBG_PDU_RX,
 		"csk 0x%p, conn 0x%p.\n", csk, conn);
 
-	if (unlikely(!conn || conn->suspend_rx)) {
+	if (unlikely(!conn || test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
 		log_debug(1 << CXGBI_DBG_PDU_RX,
-			"csk 0x%p, conn 0x%p, id %d, suspend_rx %lu!\n",
+			"csk 0x%p, conn 0x%p, id %d, conn flags 0x%lx!\n",
 			csk, conn, conn ? conn->id : 0xFF,
-			conn ? conn->suspend_rx : 0xFF);
+			conn ? conn->flags : 0xFF);
 		return;
 	}
 

index 059dae8909ee..f228d991038a 100644
@@ -678,7 +678,8 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
 	struct iscsi_task *task;
 	itt_t itt;
 
-	if (session->state == ISCSI_STATE_TERMINATE)
+	if (session->state == ISCSI_STATE_TERMINATE ||
+	    !test_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags))
 		return NULL;
 
 	if (opcode == ISCSI_OP_LOGIN || opcode == ISCSI_OP_TEXT) {

@@ -1392,8 +1393,8 @@ static bool iscsi_set_conn_failed(struct iscsi_conn *conn)
 	if (conn->stop_stage == 0)
 		session->state = ISCSI_STATE_FAILED;
 
-	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
-	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
+	set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+	set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
 	return true;
 }
 

@@ -1454,7 +1455,7 @@ static int iscsi_xmit_task(struct iscsi_conn *conn, struct iscsi_task *task,
 	 * Do this after dropping the extra ref because if this was a requeue
 	 * it's removed from that list and cleanup_queued_task would miss it.
 	 */
-	if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+	if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
 		/*
 		 * Save the task and ref in case we weren't cleaning up this
 		 * task and get woken up again.

@@ -1532,7 +1533,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
 	int rc = 0;
 
 	spin_lock_bh(&conn->session->frwd_lock);
-	if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+	if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
 		ISCSI_DBG_SESSION(conn->session, "Tx suspended!\n");
 		spin_unlock_bh(&conn->session->frwd_lock);
 		return -ENODATA;

@@ -1746,7 +1747,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
 		goto fault;
 	}
 
-	if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+	if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
 		reason = FAILURE_SESSION_IN_RECOVERY;
 		sc->result = DID_REQUEUE << 16;
 		goto fault;

@@ -1935,7 +1936,7 @@ static void fail_scsi_tasks(struct iscsi_conn *conn, u64 lun, int error)
 void iscsi_suspend_queue(struct iscsi_conn *conn)
 {
 	spin_lock_bh(&conn->session->frwd_lock);
-	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+	set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
 	spin_unlock_bh(&conn->session->frwd_lock);
 }
 EXPORT_SYMBOL_GPL(iscsi_suspend_queue);

@@ -1953,7 +1954,7 @@ void iscsi_suspend_tx(struct iscsi_conn *conn)
 	struct Scsi_Host *shost = conn->session->host;
 	struct iscsi_host *ihost = shost_priv(shost);
 
-	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+	set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
 	if (ihost->workq)
 		flush_workqueue(ihost->workq);
 }

@@ -1961,7 +1962,7 @@ EXPORT_SYMBOL_GPL(iscsi_suspend_tx);
 
 static void iscsi_start_tx(struct iscsi_conn *conn)
 {
-	clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+	clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
 	iscsi_conn_queue_work(conn);
 }
 

@@ -2214,6 +2215,8 @@ void iscsi_conn_unbind(struct iscsi_cls_conn *cls_conn, bool is_active)
 	iscsi_suspend_tx(conn);
 
 	spin_lock_bh(&session->frwd_lock);
+	clear_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
+
 	if (!is_active) {
 		/*
 		 * if logout timed out before userspace could even send a PDU

@@ -3311,6 +3314,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
 	spin_lock_bh(&session->frwd_lock);
 	if (is_leading)
 		session->leadconn = conn;
+
+	set_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
 	spin_unlock_bh(&session->frwd_lock);
 
 	/*

@@ -3323,8 +3328,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
 	/*
 	 * Unblock xmitworker(), Login Phase will pass through.
 	 */
-	clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
-	clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+	clear_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
+	clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_bind);

index 2e9ffe3d1a55..883005757ddb 100644
@@ -927,7 +927,7 @@ int iscsi_tcp_recv_skb(struct iscsi_conn *conn, struct sk_buff *skb,
 	 */
 	conn->last_recv = jiffies;
 
-	if (unlikely(conn->suspend_rx)) {
+	if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
 		ISCSI_DBG_TCP(conn, "Rx suspended!\n");
 		*status = ISCSI_TCP_SUSPENDED;
 		return 0;

102 lines not on this page · raw message

122 lines not on this page · raw message

index ddd00efc4882..fbdb5124d7f7 100644
@@ -41,7 +41,7 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
 	int result;
 	unsigned char *buffer;
 
-	buffer = kmalloc(32, GFP_KERNEL);
+	buffer = kzalloc(32, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 

@@ -55,10 +55,13 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
 	cgc.data_direction = DMA_FROM_DEVICE;
 
 	result = sr_do_ioctl(cd, &cgc);
+	if (result)
+		goto err;
 
 	tochdr->cdth_trk0 = buffer[2];
 	tochdr->cdth_trk1 = buffer[3];
 
+err:
 	kfree(buffer);
 	return result;
 }

@@ -71,7 +74,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
 	int result;
 	unsigned char *buffer;
 
-	buffer = kmalloc(32, GFP_KERNEL);
+	buffer = kzalloc(32, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 

@@ -86,6 +89,8 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
 	cgc.data_direction = DMA_FROM_DEVICE;
 
 	result = sr_do_ioctl(cd, &cgc);
+	if (result)
+		goto err;
 
 	tocentry->cdte_ctrl = buffer[5] & 0xf;
 	tocentry->cdte_adr = buffer[5] >> 4;

@@ -98,6 +103,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
 		tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
 			+ buffer[10]) << 8) + buffer[11];
 
+err:
 	kfree(buffer);
 	return result;
 }

@@ -384,7 +390,7 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
 {
 	Scsi_CD *cd = cdi->handle;
 	struct packet_command cgc;
-	char *buffer = kmalloc(32, GFP_KERNEL);
+	char *buffer = kzalloc(32, GFP_KERNEL);
 	int result;
 
 	if (!buffer)

@@ -400,10 +406,13 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
 	cgc.data_direction = DMA_FROM_DEVICE;
 	cgc.timeout = IOCTL_TIMEOUT;
 	result = sr_do_ioctl(cd, &cgc);
+	if (result)
+		goto err;
 
 	memcpy(mcn->medium_catalog_number, buffer + 9, 13);
 	mcn->medium_catalog_number[13] = 0;
 
+err:
 	kfree(buffer);
 	return result;
 }

index cb285d277201..5696e52c76e9 100644
@@ -367,7 +367,7 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
 static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 				     enum ufs_trace_str_t str_t)
 {
-	u64 lba;
+	u64 lba = 0;
 	u8 opcode = 0, group_id = 0;
 	u32 intr, doorbell;
 	struct ufshcd_lrb *lrbp = &hba->lrb[tag];

@@ -384,7 +384,6 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 		return;
 
 	opcode = cmd->cmnd[0];
-	lba = scsi_get_lba(cmd);
 
 	if (opcode == READ_10 || opcode == WRITE_10) {
 		/*

@@ -392,6 +391,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 		 */
 		transfer_len =
 		       be32_to_cpu(lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
+		lba = scsi_get_lba(cmd);
 		if (opcode == WRITE_10)
 			group_id = lrbp->cmd->cmnd[6];
 	} else if (opcode == UNMAP) {

@@ -399,6 +399,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 		 * The number of Bytes to be unmapped beginning with the lba.
 		 */
 		transfer_len = blk_rq_bytes(rq);
+		lba = scsi_get_lba(cmd);
 	}
 
 	intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);

index 92d9610df1fd..938017a60c8e 100644
@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
 static bool atmel_qspi_supports_op(struct spi_mem *mem,
 				   const struct spi_mem_op *op)
 {
+	if (!spi_mem_default_supports_op(mem, op))
+		return false;
+
 	if (atmel_qspi_find_mode(op) < 0)
 		return false;
 

index 75f356041138..b8ac24318cb3 100644
@@ -1415,9 +1415,24 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem,
 	all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr &&
 		    !op->data.dtr;
 
-	/* Mixed DTR modes not supported. */
-	if (!(all_true || all_false))
+	if (all_true) {
+		/* Right now we only support 8-8-8 DTR mode. */
+		if (op->cmd.nbytes && op->cmd.buswidth != 8)
+			return false;
+		if (op->addr.nbytes && op->addr.buswidth != 8)
+			return false;
+		if (op->data.nbytes && op->data.buswidth != 8)
+			return false;
+	} else if (all_false) {
+		/* Only 1-1-X ops are supported without DTR */
+		if (op->cmd.nbytes && op->cmd.buswidth > 1)
+			return false;
+		if (op->addr.nbytes && op->addr.buswidth > 1)
+			return false;
+	} else {
+		/* Mixed DTR modes are not supported. */
 		return false;
+	}
 
 	if (all_true)
 		return spi_mem_dtr_supports_op(mem, op);

index 5c93730615f8..6d203477c04b 100644
@@ -909,7 +909,17 @@ static int __maybe_unused mtk_nor_suspend(struct device *dev)
 
 static int __maybe_unused mtk_nor_resume(struct device *dev)
 {
-	return pm_runtime_force_resume(dev);
+	struct spi_controller *ctlr = dev_get_drvdata(dev);
+	struct mtk_nor *sp = spi_controller_get_devdata(ctlr);
+	int ret;
+
+	ret = pm_runtime_force_resume(dev);
+	if (ret)
+		return ret;
+
+	mtk_nor_init(sp);
+
+	return 0;
 }
 
 static const struct dev_pm_ops mtk_nor_pm_ops = {

index 792fdcfdc6ad..10aa0fb94613 100644
@@ -946,7 +946,7 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
 	ssize_t rc;
 	struct inode *inode = file_inode(iocb->ki_filp);
 
-	if (iocb->ki_filp->f_flags & O_DIRECT)
+	if (iocb->ki_flags & IOCB_DIRECT)
 		return cifs_user_readv(iocb, iter);
 
 	rc = cifs_revalidate_mapping(inode);

index c3be6a541c8f..532770c30415 100644
@@ -534,12 +534,19 @@ int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session)
 {
 	/* If tcp session is not an dfs connection, then reconnect to last target server */
 	spin_lock(&cifs_tcp_ses_lock);
-	if (!server->is_dfs_conn || !server->origin_fullpath || !server->leaf_fullpath) {
+	if (!server->is_dfs_conn) {
 		spin_unlock(&cifs_tcp_ses_lock);
 		return __cifs_reconnect(server, mark_smb_session);
 	}
 	spin_unlock(&cifs_tcp_ses_lock);
 
+	mutex_lock(&server->refpath_lock);
+	if (!server->origin_fullpath || !server->leaf_fullpath) {
+		mutex_unlock(&server->refpath_lock);
+		return __cifs_reconnect(server, mark_smb_session);
+	}
+	mutex_unlock(&server->refpath_lock);
+
 	return reconnect_dfs_server(server);
 }
 #else

@@ -3675,9 +3682,11 @@ static void setup_server_referral_paths(struct mount_ctx *mnt_ctx)
 {
 	struct TCP_Server_Info *server = mnt_ctx->server;
 
+	mutex_lock(&server->refpath_lock);
 	server->origin_fullpath = mnt_ctx->origin_fullpath;
 	server->leaf_fullpath = mnt_ctx->leaf_fullpath;
 	server->current_fullpath = mnt_ctx->leaf_fullpath;
+	mutex_unlock(&server->refpath_lock);
 	mnt_ctx->origin_fullpath = mnt_ctx->leaf_fullpath = NULL;
 }
 

index 30e040da4f09..956f8e5cf3e7 100644
@@ -1422,12 +1422,14 @@ static int refresh_tcon(struct cifs_ses **sessions, struct cifs_tcon *tcon, bool
 	struct TCP_Server_Info *server = tcon->ses->server;
 
 	mutex_lock(&server->refpath_lock);
-	if (strcasecmp(server->leaf_fullpath, server->origin_fullpath))
-		__refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, force_refresh);
+	if (server->origin_fullpath) {
+		if (server->leaf_fullpath && strcasecmp(server->leaf_fullpath,
+							server->origin_fullpath))
+			__refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, force_refresh);
+		__refresh_tcon(server->origin_fullpath + 1, sessions, tcon, force_refresh);
+	}
 	mutex_unlock(&server->refpath_lock);
 
-	__refresh_tcon(server->origin_fullpath + 1, sessions, tcon, force_refresh);
-
 	return 0;
 }
 

@@ -1530,11 +1532,14 @@ static void refresh_mounts(struct cifs_ses **sessions)
 		list_del_init(&tcon->ulist);
 
 		mutex_lock(&server->refpath_lock);
-		if (strcasecmp(server->leaf_fullpath, server->origin_fullpath))
-			__refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, false);
+		if (server->origin_fullpath) {
+			if (server->leaf_fullpath && strcasecmp(server->leaf_fullpath,
+								server->origin_fullpath))
+				__refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, false);
+			__refresh_tcon(server->origin_fullpath + 1, sessions, tcon, false);
+		}
 		mutex_unlock(&server->refpath_lock);
 
-		__refresh_tcon(server->origin_fullpath + 1, sessions, tcon, false);
 		cifs_put_tcon(tcon);
 	}
 }

index bcd3b9bf8069..9b8069322495 100644
@@ -2271,6 +2271,10 @@ static inline int ext4_forced_shutdown(struct ext4_sb_info *sbi)
  * Structure of a directory entry
  */
 #define EXT4_NAME_LEN 255
+/*
+ * Base length of the ext4 directory entry excluding the name length
+ */
+#define EXT4_BASE_DIR_LEN (sizeof(struct ext4_dir_entry_2) - EXT4_NAME_LEN)
 
 struct ext4_dir_entry {
 	__le32	inode;			/* Inode number */

@@ -3030,7 +3034,7 @@ extern int ext4_inode_attach_jinode(struct inode *inode);
 extern int ext4_can_truncate(struct inode *inode);
 extern int ext4_truncate(struct inode *);
 extern int ext4_break_layouts(struct inode *);
-extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
+extern int ext4_punch_hole(struct file *file, loff_t offset, loff_t length);
 extern void ext4_set_inode_flags(struct inode *, bool init);
 extern int ext4_alloc_da_blocks(struct inode *inode);
 extern void ext4_set_aops(struct inode *inode);

@@ -3062,6 +3066,7 @@ int ext4_fileattr_set(struct user_namespace *mnt_userns,
 		      struct dentry *dentry, struct fileattr *fa);
 int ext4_fileattr_get(struct dentry *dentry, struct fileattr *fa);
 extern void ext4_reset_inode_seed(struct inode *inode);
+int ext4_update_overhead(struct super_block *sb);
 
 /* migrate.c */
 extern int ext4_ext_migrate(struct inode *);

index c0f3f83e0c1b..488d7c1de941 100644
@@ -4501,9 +4501,9 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
 	return ret > 0 ? ret2 : ret;
 }
 
-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len);
+static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len);
 
-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len);
+static int ext4_insert_range(struct file *file, loff_t offset, loff_t len);
 
 static long ext4_zero_range(struct file *file, loff_t offset,
 			    loff_t len, int mode)

@@ -4575,6 +4575,10 @@ static long ext4_zero_range(struct file *file, loff_t offset,
 	/* Wait all existing dio workers, newcomers will block on i_rwsem */
 	inode_dio_wait(inode);
 
+	ret = file_modified(file);
+	if (ret)
+		goto out_mutex;
+
 	/* Preallocate the range including the unaligned edges */
 	if (partial_begin || partial_end) {
 		ret = ext4_alloc_file_blocks(file,

@@ -4691,7 +4695,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 		return -EOPNOTSUPP;
 
 	if (mode & FALLOC_FL_PUNCH_HOLE) {
-		ret = ext4_punch_hole(inode, offset, len);
+		ret = ext4_punch_hole(file, offset, len);
 		goto exit;
 	}
 

@@ -4700,12 +4704,12 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 		goto exit;
 
 	if (mode & FALLOC_FL_COLLAPSE_RANGE) {
-		ret = ext4_collapse_range(inode, offset, len);
+		ret = ext4_collapse_range(file, offset, len);
 		goto exit;
 	}
 
 	if (mode & FALLOC_FL_INSERT_RANGE) {
-		ret = ext4_insert_range(inode, offset, len);
+		ret = ext4_insert_range(file, offset, len);
 		goto exit;
 	}
 

@@ -4741,6 +4745,10 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 	/* Wait all existing dio workers, newcomers will block on i_rwsem */
 	inode_dio_wait(inode);
 
+	ret = file_modified(file);
+	if (ret)
+		goto out;
+
 	ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags);
 	if (ret)
 		goto out;

@@ -5242,8 +5250,9 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
  * This implements the fallocate's collapse range functionality for ext4
  * Returns: 0 and non-zero on error.
  */
-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
+static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
 {
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	struct address_space *mapping = inode->i_mapping;
 	ext4_lblk_t punch_start, punch_stop;

@@ -5295,6 +5304,10 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 	/* Wait for existing dio to complete */
 	inode_dio_wait(inode);
 
+	ret = file_modified(file);
+	if (ret)
+		goto out_mutex;
+
 	/*
 	 * Prevent page faults from reinstantiating pages we have released from
 	 * page cache.

@@ -5388,8 +5401,9 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
  * by len bytes.
  * Returns 0 on success, error otherwise.
  */
-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
+static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
 {
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	struct address_space *mapping = inode->i_mapping;
 	handle_t *handle;

@@ -5446,6 +5460,10 @@ static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
 	/* Wait for existing dio to complete */
 	inode_dio_wait(inode);
 
+	ret = file_modified(file);
+	if (ret)
+		goto out_mutex;
+
 	/*
 	 * Prevent page faults from reinstantiating pages we have released from
 	 * page cache.

index 531a94f48637..d8ff93a4b1b9 100644
@@ -3944,12 +3944,14 @@ int ext4_break_layouts(struct inode *inode)
  * Returns: 0 on success or negative on failure
  */
 
-int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
+int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 {
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	ext4_lblk_t first_block, stop_block;
 	struct address_space *mapping = inode->i_mapping;
-	loff_t first_block_offset, last_block_offset;
+	loff_t first_block_offset, last_block_offset, max_length;
+	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	handle_t *handle;
 	unsigned int credits;
 	int ret = 0, ret2 = 0;

@@ -3992,6 +3994,14 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 		   offset;
 	}
 
+	/*
+	 * For punch hole the length + offset needs to be within one block
+	 * before last range. Adjust the length if it goes beyond that limit.
+	 */
+	max_length = sbi->s_bitmap_maxbytes - inode->i_sb->s_blocksize;
+	if (offset + length > max_length)
+		length = max_length - offset;
+
 	if (offset & (sb->s_blocksize - 1) ||
 	    (offset + length) & (sb->s_blocksize - 1)) {
 		/*

@@ -4007,6 +4017,10 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 	/* Wait all existing dio workers, newcomers will block on i_rwsem */
 	inode_dio_wait(inode);
 
+	ret = file_modified(file);
+	if (ret)
+		goto out_mutex;
+
 	/*
 	 * Prevent page faults from reinstantiating pages we have released from
 	 * page cache.

index a8022c2c6a58..da0aefe67673 100644
@@ -1652,3 +1652,19 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	return ext4_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
 }
 #endif
+
+static void set_overhead(struct ext4_super_block *es, const void *arg)
+{
+	es->s_overhead_clusters = cpu_to_le32(*((unsigned long *) arg));
+}
+
+int ext4_update_overhead(struct super_block *sb)
+{
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
+
+	if (sb_rdonly(sb) || sbi->s_overhead == 0 ||
+	    sbi->s_overhead == le32_to_cpu(sbi->s_es->s_overhead_clusters))
+		return 0;
+
+	return ext4_update_superblocks_fn(sb, set_overhead, &sbi->s_overhead);
+}

index 39e223f7bf64..f62260264f68 100644
@@ -1466,10 +1466,10 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,
 
 	de = (struct ext4_dir_entry_2 *)search_buf;
 	dlimit = search_buf + buf_size;
-	while ((char *) de < dlimit) {
+	while ((char *) de < dlimit - EXT4_BASE_DIR_LEN) {
 		/* this code is executed quadratically often */
 		/* do minimal checking `by hand' */
-		if ((char *) de + de->name_len <= dlimit &&
+		if (de->name + de->name_len <= dlimit &&
 		    ext4_match(dir, fname, de)) {
 			/* found a match - just to be sure, do
 			 * a full check */

index 1d370364230e..40b7d8485b44 100644
@@ -134,8 +134,10 @@ static void ext4_finish_bio(struct bio *bio)
 				continue;
 			}
 			clear_buffer_async_write(bh);
-			if (bio->bi_status)
+			if (bio->bi_status) {
+				set_buffer_write_io_error(bh);
 				buffer_io_error(bh);
+			}
 		} while ((bh = bh->b_this_page) != head);
 		spin_unlock_irqrestore(&head->b_uptodate_lock, flags);
 		if (!under_io) {

index bed29f96ccc7..ba6530c2d271 100644
@@ -4156,9 +4156,11 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
 	ext4_fsblk_t		first_block, last_block, b;
 	ext4_group_t		i, ngroups = ext4_get_groups_count(sb);
 	int			s, j, count = 0;
+	int			has_super = ext4_bg_has_super(sb, grp);
 
 	if (!ext4_has_feature_bigalloc(sb))
-		return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) +
+		return (has_super + ext4_bg_num_gdb(sb, grp) +
+			(has_super ? le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) : 0) +
 			sbi->s_itb_per_group + 2);
 
 	first_block = le32_to_cpu(sbi->s_es->s_first_data_block) +

@@ -5266,9 +5268,18 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
 	 * Get the # of file system overhead blocks from the
 	 * superblock if present.
 	 */
-	if (es->s_overhead_clusters)
-		sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
-	else {
+	sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
+	/* ignore the precalculated value if it is ridiculous */
+	if (sbi->s_overhead > ext4_blocks_count(es))
+		sbi->s_overhead = 0;
+	/*
+	 * If the bigalloc feature is not enabled recalculating the
+	 * overhead doesn't take long, so we might as well just redo
+	 * it to make sure we are using the correct value.
+	 */
+	if (!ext4_has_feature_bigalloc(sb))
+		sbi->s_overhead = 0;
+	if (sbi->s_overhead == 0) {
 		err = ext4_calculate_overhead(sb);
 		if (err)
 			goto failed_mount_wq;

@@ -5586,6 +5597,8 @@ static int ext4_fill_super(struct super_block *sb, struct fs_context *fc)
 		ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
 			 "Quota mode: %s.", descr, ext4_quota_mode(sb));
 
+	/* Update the s_overhead_clusters if necessary */
+	ext4_update_overhead(sb);
 	return 0;
 
 free_sbi:

index 3b34bb24d0af..801ad9f4f2be 100644
@@ -923,15 +923,15 @@ static int read_rindex_entry(struct gfs2_inode *ip)
 	spin_lock_init(&rgd->rd_rsspin);
 	mutex_init(&rgd->rd_mutex);
 
-	error = compute_bitstructs(rgd);
-	if (error)
-		goto fail;
-
 	error = gfs2_glock_get(sdp, rgd->rd_addr,
 			       &gfs2_rgrp_glops, CREATE, &rgd->rd_gl);
 	if (error)
 		goto fail;
 
+	error = compute_bitstructs(rgd);
+	if (error)
+		goto fail_glock;
+
 	rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
 	rgd->rd_flags &= ~GFS2_RDF_PREFERRED;
 	if (rgd->rd_data > sdp->sd_max_rg_data)

@@ -945,6 +945,7 @@ static int read_rindex_entry(struct gfs2_inode *ip)
 	}
 
 	error = 0; /* someone else read in the rgrp; free it and ignore it */
+fail_glock:
 	gfs2_glock_put(rgd->rd_gl);
 
 fail:

index a7c6c7498be0..ed85051b1275 100644
@@ -206,7 +206,7 @@ hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
 	info.flags = 0;
 	info.length = len;
 	info.low_limit = current->mm->mmap_base;
-	info.high_limit = TASK_SIZE;
+	info.high_limit = arch_get_mmap_end(addr);
 	info.align_mask = PAGE_MASK & ~huge_page_mask(h);
 	info.align_offset = 0;
 	return vm_unmapped_area(&info);

@@ -222,7 +222,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
 	info.flags = VM_UNMAPPED_AREA_TOPDOWN;
 	info.length = len;
 	info.low_limit = max(PAGE_SIZE, mmap_min_addr);
-	info.high_limit = current->mm->mmap_base;
+	info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base);
 	info.align_mask = PAGE_MASK & ~huge_page_mask(h);
 	info.align_offset = 0;
 	addr = vm_unmapped_area(&info);

@@ -237,7 +237,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
 		VM_BUG_ON(addr != -ENOMEM);
 		info.flags = 0;
 		info.low_limit = current->mm->mmap_base;
-		info.high_limit = TASK_SIZE;
+		info.high_limit = arch_get_mmap_end(addr);
 		addr = vm_unmapped_area(&info);
 	}
 

@@ -251,6 +251,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma;
 	struct hstate *h = hstate_file(file);
+	const unsigned long mmap_end = arch_get_mmap_end(addr);
 
 	if (len & ~huge_page_mask(h))
 		return -EINVAL;

@@ -266,7 +267,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 	if (addr) {
 		addr = ALIGN(addr, huge_page_size(h));
 		vma = find_vma(mm, addr);
-		if (TASK_SIZE - len >= addr &&
+		if (mmap_end - len >= addr &&
 		    (!vma || addr + len <= vm_start_gap(vma)))
 			return addr;
 	}

index 619c67fd456d..fbba8342172a 100644
@@ -2612,11 +2612,10 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin)
 		/* order with io_complete_rw_iopoll(), e.g. ->result updates */
 		if (!smp_load_acquire(&req->iopoll_completed))
 			break;
+		nr_events++;
 		if (unlikely(req->flags & REQ_F_CQE_SKIP))
 			continue;
-
 		__io_fill_cqe(ctx, req->user_data, req->result, io_put_kbuf(req));
-		nr_events++;
 	}
 
 	if (unlikely(!nr_events))

@@ -3622,8 +3621,10 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags)
 		iovec = NULL;
 	}
 	ret = io_rw_init_file(req, FMODE_READ);
-	if (unlikely(ret))
+	if (unlikely(ret)) {
+		kfree(iovec);
 		return ret;
+	}
 	req->result = iov_iter_count(&s->iter);
 
 	if (force_nonblock) {

@@ -3742,8 +3743,10 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags)
 		iovec = NULL;
 	}
 	ret = io_rw_init_file(req, FMODE_WRITE);
-	if (unlikely(ret))
+	if (unlikely(ret)) {
+		kfree(iovec);
 		return ret;
+	}
 	req->result = iov_iter_count(&s->iter);
 
 	if (force_nonblock) {

index 5b9408e3b370..ac7f067b7bdd 100644
@@ -488,7 +488,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 	jbd2_journal_wait_updates(journal);
 
 	commit_transaction->t_state = T_SWITCH;
-	write_unlock(&journal->j_state_lock);
 
 	J_ASSERT (atomic_read(&commit_transaction->t_outstanding_credits) <=
 			journal->j_max_transaction_buffers);

@@ -508,6 +507,8 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 	 * has reserved.  This is consistent with the existing behaviour
 	 * that multiple jbd2_journal_get_write_access() calls to the same
 	 * buffer are perfectly permissible.
+	 * We use journal->j_state_lock here to serialize processing of
+	 * t_reserved_list with eviction of buffers from journal_unmap_buffer().
 	 */
 	while (commit_transaction->t_reserved_list) {
 		jh = commit_transaction->t_reserved_list;

@@ -527,6 +528,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 		jbd2_journal_refile_buffer(journal, jh);
 	}
 
+	write_unlock(&journal->j_state_lock);
 	/*
 	 * Now try to drop any written-back buffers from the journal's
 	 * checkpoint lists.  We do this *before* commit because it potentially

index 3f1829b3ab5b..509657fdf4f5 100644
@@ -3673,18 +3673,14 @@ static struct dentry *filename_create(int dfd, struct filename *name,
 {
 	struct dentry *dentry = ERR_PTR(-EEXIST);
 	struct qstr last;
+	bool want_dir = lookup_flags & LOOKUP_DIRECTORY;
+	unsigned int reval_flag = lookup_flags & LOOKUP_REVAL;
+	unsigned int create_flags = LOOKUP_CREATE | LOOKUP_EXCL;
 	int type;
 	int err2;
 	int error;
-	bool is_dir = (lookup_flags & LOOKUP_DIRECTORY);
 
-	/*
-	 * Note that only LOOKUP_REVAL and LOOKUP_DIRECTORY matter here. Any
-	 * other flags passed in are ignored!
-	 */
-	lookup_flags &= LOOKUP_REVAL;
-
-	error = filename_parentat(dfd, name, lookup_flags, path, &last, &type);
+	error = filename_parentat(dfd, name, reval_flag, path, &last, &type);
 	if (error)
 		return ERR_PTR(error);
 

@@ -3698,11 +3694,13 @@ static struct dentry *filename_create(int dfd, struct filename *name,
 	/* don't fail immediately if it's r/o, at least try to report other errors */
 	err2 = mnt_want_write(path->mnt);
 	/*
-	 * Do the final lookup.
+	 * Do the final lookup.  Suppress 'create' if there is a trailing
+	 * '/', and a directory wasn't requested.
 	 */
-	lookup_flags |= LOOKUP_CREATE | LOOKUP_EXCL;
+	if (last.name[last.len] && !want_dir)
+		create_flags = 0;
 	inode_lock_nested(path->dentry->d_inode, I_MUTEX_PARENT);
-	dentry = __lookup_hash(&last, path->dentry, lookup_flags);
+	dentry = __lookup_hash(&last, path->dentry, reval_flag | create_flags);
 	if (IS_ERR(dentry))
 		goto unlock;
 

@@ -3716,7 +3714,7 @@ static struct dentry *filename_create(int dfd, struct filename *name,
 	 * all is fine. Let's be bastards - you had / on the end, you've
 	 * been asking for (non-existent) directory. -ENOENT for you.
 	 */
-	if (unlikely(!is_dir && last.name[last.len])) {
+	if (unlikely(!create_flags)) {
 		error = -ENOENT;
 		goto fail;
 	}

index 80acb6885cf9..962d32468eb4 100644
@@ -759,9 +759,14 @@ static void posix_acl_fix_xattr_userns(
 }
 
 void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
+				   struct inode *inode,
 				   void *value, size_t size)
 {
 	struct user_namespace *user_ns = current_user_ns();
+
+	/* Leave ids untouched on non-idmapped mounts. */
+	if (no_idmapping(mnt_userns, i_user_ns(inode)))
+		mnt_userns = &init_user_ns;
 	if ((user_ns == &init_user_ns) && (mnt_userns == &init_user_ns))
 		return;
 	posix_acl_fix_xattr_userns(&init_user_ns, user_ns, mnt_userns, value,

@@ -769,9 +774,14 @@ void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
 }
 
 void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns,
+				 struct inode *inode,
 				 void *value, size_t size)
 {
 	struct user_namespace *user_ns = current_user_ns();
+
+	/* Leave ids untouched on non-idmapped mounts. */
+	if (no_idmapping(mnt_userns, i_user_ns(inode)))
+		mnt_userns = &init_user_ns;
 	if ((user_ns == &init_user_ns) && (mnt_userns == &init_user_ns))
 		return;
 	posix_acl_fix_xattr_userns(user_ns, &init_user_ns, mnt_userns, value,

index 28d2020ba1f4..246d138ec066 100644
@@ -334,9 +334,6 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat
 #  define choose_32_64(a,b) b
 #endif
 
-#define valid_dev(x)  choose_32_64(old_valid_dev(x),true)
-#define encode_dev(x) choose_32_64(old_encode_dev,new_encode_dev)(x)
-
 #ifndef INIT_STRUCT_STAT_PADDING
 #  define INIT_STRUCT_STAT_PADDING(st) memset(&st, 0, sizeof(st))
 #endif

@@ -345,7 +342,9 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 {
 	struct stat tmp;
 
-	if (!valid_dev(stat->dev) || !valid_dev(stat->rdev))
+	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+		return -EOVERFLOW;
+	if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
 		return -EOVERFLOW;
 #if BITS_PER_LONG == 32
 	if (stat->size > MAX_NON_LFS)

@@ -353,7 +352,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 #endif
 
 	INIT_STRUCT_STAT_PADDING(tmp);
-	tmp.st_dev = encode_dev(stat->dev);
+	tmp.st_dev = new_encode_dev(stat->dev);
 	tmp.st_ino = stat->ino;
 	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
 		return -EOVERFLOW;

@@ -363,7 +362,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
 		return -EOVERFLOW;
 	SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
 	SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
-	tmp.st_rdev = encode_dev(stat->rdev);
+	tmp.st_rdev = new_encode_dev(stat->rdev);
 	tmp.st_size = stat->size;
 	tmp.st_atime = stat->atime.tv_sec;
 	tmp.st_mtime = stat->mtime.tv_sec;

@@ -644,11 +643,13 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
 {
 	struct compat_stat tmp;
 
-	if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev))
+	if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+		return -EOVERFLOW;
+	if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
 		return -EOVERFLOW;
 
 	memset(&tmp, 0, sizeof(tmp));
-	tmp.st_dev = old_encode_dev(stat->dev);
+	tmp.st_dev = new_encode_dev(stat->dev);
 	tmp.st_ino = stat->ino;
 	if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
 		return -EOVERFLOW;

@@ -658,7 +659,7 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
 		return -EOVERFLOW;
 	SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
 	SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
-	tmp.st_rdev = old_encode_dev(stat->rdev);
+	tmp.st_rdev = new_encode_dev(stat->rdev);
 	if ((u64) stat->size > MAX_NON_LFS)
 		return -EOVERFLOW;
 	tmp.st_size = stat->size;

index 5c8c5175b385..998045165916 100644
@@ -569,7 +569,8 @@ setxattr(struct user_namespace *mnt_userns, struct dentry *d,
 		}
 		if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
 		    (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
-			posix_acl_fix_xattr_from_user(mnt_userns, kvalue, size);
+			posix_acl_fix_xattr_from_user(mnt_userns, d_inode(d),
+						      kvalue, size);
 	}
 
 	error = vfs_setxattr(mnt_userns, d, kname, kvalue, size, flags);

@@ -667,7 +668,8 @@ getxattr(struct user_namespace *mnt_userns, struct dentry *d,
 	if (error > 0) {
 		if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
 		    (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
-			posix_acl_fix_xattr_to_user(mnt_userns, kvalue, error);
+			posix_acl_fix_xattr_to_user(mnt_userns, d_inode(d),
+						    kvalue, error);
 		if (size && copy_to_user(value, kvalue, error))
 			error = -EFAULT;
 	} else if (error == -ERANGE && size >= XATTR_SIZE_MAX) {

index 2ad71cc90b37..92b10e67d5f8 100644
@@ -134,7 +134,7 @@ static inline bool is_multicast_ether_addr(const u8 *addr)
 #endif
 }
 
-static inline bool is_multicast_ether_addr_64bits(const u8 addr[6+2])
+static inline bool is_multicast_ether_addr_64bits(const u8 *addr)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
 #ifdef __BIG_ENDIAN

@@ -372,8 +372,7 @@ static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2)
  * Please note that alignment of addr1 & addr2 are only guaranteed to be 16 bits.
  */
 
-static inline bool ether_addr_equal_64bits(const u8 addr1[6+2],
-					   const u8 addr2[6+2])
+static inline bool ether_addr_equal_64bits(const u8 *addr1, const u8 *addr2)
 {
 #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
 	u64 fold = (*(const u64 *)addr1) ^ (*(const u64 *)addr2);

index 0abbd685703b..a1fcf5749347 100644
@@ -999,6 +999,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
 }
 
 void mem_cgroup_flush_stats(void);
+void mem_cgroup_flush_stats_delayed(void);
 
 void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
 			      int val);

@@ -1442,6 +1443,10 @@ static inline void mem_cgroup_flush_stats(void)
 {
 }
 
+static inline void mem_cgroup_flush_stats_delayed(void)
+{
+}
+
 static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec,
 					    enum node_stat_item idx, int val)
 {

index 060e8d203181..1766e1de6956 100644
@@ -34,15 +34,19 @@ posix_acl_xattr_count(size_t size)
 
 #ifdef CONFIG_FS_POSIX_ACL
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