Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

net/devlink/leftover.c / net/core/devlink.c:
  565b4824c3 ("devlink: change port event netdev notifier from per-net to global")
  f05bd8ebeb ("devlink: move code to a dedicated directory")
  687125b579 ("devlink: split out core code")
https://lore.kernel.org/all/20230208094657.379f2b1a@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

.mailmap

@@ -130,6 +130,7 @@ Domen Puncer <domen@coderock.org>
 Douglas Gilbert <dougg@torque.net>
 Ed L. Cashin <ecashin@coraid.com>
 Erik Kaneda <erik.kaneda@intel.com> <erik.schmauss@intel.com>
+Eugen Hristev <eugen.hristev@collabora.com> <eugen.hristev@microchip.com>
 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> <ezequiel@collabora.com>
 Felipe W Damasio <felipewd@terra.com.br>

Documentation/admin-guide/cgroup-v2.rst

@@ -1245,13 +1245,17 @@ PAGE_SIZE multiple when read back.
 	This is a simple interface to trigger memory reclaim in the
 	target cgroup.
 
-	This file accepts a string which contains the number of bytes to
-	reclaim.
+	This file accepts a single key, the number of bytes to reclaim.
+	No nested keys are currently supported.
 
 	Example::
 
 	  echo "1G" > memory.reclaim
 
+	The interface can be later extended with nested keys to
+	configure the reclaim behavior. For example, specify the
+	type of memory to reclaim from (anon, file, ..).
+
 	Please note that the kernel can over or under reclaim from
 	the target cgroup. If less bytes are reclaimed than the
 	specified amount, -EAGAIN is returned.
@@ -1263,13 +1267,6 @@ PAGE_SIZE multiple when read back.
 	This means that the networking layer will not adapt based on
 	reclaim induced by memory.reclaim.
 
-	This file also allows the user to specify the nodes to reclaim from,
-	via the 'nodes=' key, for example::
-
-	  echo "1G nodes=0,1" > memory.reclaim
-
-	The above instructs the kernel to reclaim memory from nodes 0,1.
-
   memory.peak
 	A read-only single value file which exists on non-root
 	cgroups.

Documentation/devicetree/bindings/.gitignore

@@ -2,3 +2,8 @@
 *.example.dts
 /processed-schema*.yaml
 /processed-schema*.json
+
+#
+# We don't want to ignore the following even if they are dot-files
+#
+!.yamllint

Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml

@@ -108,7 +108,7 @@ properties:
 
   msi-controller:
     description:
-      Only present if the Message Based Interrupt functionnality is
+      Only present if the Message Based Interrupt functionality is
       being exposed by the HW, and the mbi-ranges property present.
 
   mbi-ranges:

Documentation/devicetree/bindings/rtc/qcom-pm8xxx-rtc.yaml

@@ -40,6 +40,8 @@ properties:
     description:
       Indicates that the setting of RTC time is allowed by the host CPU.
 
+  wakeup-source: true
+
 required:
   - compatible
   - reg

Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst

@@ -16,5 +16,5 @@ Contents
 
 Support
 =======
-If you got any problem, contact Wangxun support team via support@trustnetic.com
+If you got any problem, contact Wangxun support team via nic-support@net-swift.com
 and Cc: netdev.

Documentation/virt/kvm/api.rst

@@ -8070,9 +8070,13 @@ considering the state as complete. VMM needs to ensure that the dirty
 state is final and avoid missing dirty pages from another ioctl ordered
 after the bitmap collection.
 
-NOTE: One example of using the backup bitmap is saving arm64 vgic/its
-tables through KVM_DEV_ARM_{VGIC_GRP_CTRL, ITS_SAVE_TABLES} command on
-KVM device "kvm-arm-vgic-its" when dirty ring is enabled.
+NOTE: Multiple examples of using the backup bitmap: (1) save vgic/its
+tables through command KVM_DEV_ARM_{VGIC_GRP_CTRL, ITS_SAVE_TABLES} on
+KVM device "kvm-arm-vgic-its". (2) restore vgic/its tables through
+command KVM_DEV_ARM_{VGIC_GRP_CTRL, ITS_RESTORE_TABLES} on KVM device
+"kvm-arm-vgic-its". VGICv3 LPI pending status is restored. (3) save
+vgic3 pending table through KVM_DEV_ARM_VGIC_{GRP_CTRL, SAVE_PENDING_TABLES}
+command on KVM device "kvm-arm-vgic-v3".
 
 8.30 KVM_CAP_XEN_HVM
 --------------------

MAINTAINERS

@@ -15679,7 +15679,7 @@ OPENRISC ARCHITECTURE
 M:	Jonas Bonn <jonas@southpole.se>
 M:	Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
 M:	Stafford Horne <shorne@gmail.com>
-L:	openrisc@lists.librecores.org
+L:	linux-openrisc@vger.kernel.org
 S:	Maintained
 W:	http://openrisc.io
 T:	git https://github.com/openrisc/linux.git
@@ -21752,6 +21752,7 @@ F:	include/uapi/linux/uvcvideo.h
 
 USB WEBCAM GADGET
 M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+M:	Daniel Scally <dan.scally@ideasonboard.com>
 L:	linux-usb@vger.kernel.org
 S:	Maintained
 F:	drivers/usb/gadget/function/*uvc*

Makefile

@@ -2,7 +2,7 @@
 VERSION = 6
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
 NAME = Hurr durr I'ma ninja sloth
 
 # *DOCUMENTATION*

arch/arm64/kvm/vgic/vgic-its.c

@@ -2187,7 +2187,7 @@ static int vgic_its_save_ite(struct vgic_its *its, struct its_device *dev,
 	       ((u64)ite->irq->intid << KVM_ITS_ITE_PINTID_SHIFT) |
 		ite->collection->collection_id;
 	val = cpu_to_le64(val);
-	return kvm_write_guest_lock(kvm, gpa, &val, ite_esz);
+	return vgic_write_guest_lock(kvm, gpa, &val, ite_esz);
 }
 
 /**
@@ -2339,7 +2339,7 @@ static int vgic_its_save_dte(struct vgic_its *its, struct its_device *dev,
 	       (itt_addr_field << KVM_ITS_DTE_ITTADDR_SHIFT) |
 		(dev->num_eventid_bits - 1));
 	val = cpu_to_le64(val);
-	return kvm_write_guest_lock(kvm, ptr, &val, dte_esz);
+	return vgic_write_guest_lock(kvm, ptr, &val, dte_esz);
 }
 
 /**
@@ -2526,7 +2526,7 @@ static int vgic_its_save_cte(struct vgic_its *its,
 	       ((u64)collection->target_addr << KVM_ITS_CTE_RDBASE_SHIFT) |
 	       collection->collection_id);
 	val = cpu_to_le64(val);
-	return kvm_write_guest_lock(its->dev->kvm, gpa, &val, esz);
+	return vgic_write_guest_lock(its->dev->kvm, gpa, &val, esz);
 }
 
 /*
@@ -2607,7 +2607,7 @@ static int vgic_its_save_collection_table(struct vgic_its *its)
 	 */
 	val = 0;
 	BUG_ON(cte_esz > sizeof(val));
-	ret = kvm_write_guest_lock(its->dev->kvm, gpa, &val, cte_esz);
+	ret = vgic_write_guest_lock(its->dev->kvm, gpa, &val, cte_esz);
 	return ret;
 }
 
@@ -2743,7 +2743,6 @@ static int vgic_its_has_attr(struct kvm_device *dev,
 static int vgic_its_ctrl(struct kvm *kvm, struct vgic_its *its, u64 attr)
 {
 	const struct vgic_its_abi *abi = vgic_its_get_abi(its);
-	struct vgic_dist *dist = &kvm->arch.vgic;
 	int ret = 0;
 
 	if (attr == KVM_DEV_ARM_VGIC_CTRL_INIT) /* Nothing to do */
@@ -2763,9 +2762,7 @@ static int vgic_its_ctrl(struct kvm *kvm, struct vgic_its *its, u64 attr)
 		vgic_its_reset(kvm, its);
 		break;
 	case KVM_DEV_ARM_ITS_SAVE_TABLES:
-		dist->save_its_tables_in_progress = true;
 		ret = abi->save_tables(its);
-		dist->save_its_tables_in_progress = false;
 		break;
 	case KVM_DEV_ARM_ITS_RESTORE_TABLES:
 		ret = abi->restore_tables(its);
@@ -2792,7 +2789,7 @@ bool kvm_arch_allow_write_without_running_vcpu(struct kvm *kvm)
 {
 	struct vgic_dist *dist = &kvm->arch.vgic;
 
-	return dist->save_its_tables_in_progress;
+	return dist->table_write_in_progress;
 }
 
 static int vgic_its_set_attr(struct kvm_device *dev,

arch/arm64/kvm/vgic/vgic-v3.c

@@ -339,7 +339,7 @@ retry:
 	if (status) {
 		/* clear consumed data */
 		val &= ~(1 << bit_nr);
-		ret = kvm_write_guest_lock(kvm, ptr, &val, 1);
+		ret = vgic_write_guest_lock(kvm, ptr, &val, 1);
 		if (ret)
 			return ret;
 	}
@@ -434,7 +434,7 @@ int vgic_v3_save_pending_tables(struct kvm *kvm)
 		else
 			val &= ~(1 << bit_nr);
 
-		ret = kvm_write_guest_lock(kvm, ptr, &val, 1);
+		ret = vgic_write_guest_lock(kvm, ptr, &val, 1);
 		if (ret)
 			goto out;
 	}

arch/arm64/kvm/vgic/vgic.h

@@ -6,6 +6,7 @@
 #define __KVM_ARM_VGIC_NEW_H__
 
 #include <linux/irqchip/arm-gic-common.h>
+#include <asm/kvm_mmu.h>
 
 #define PRODUCT_ID_KVM		0x4b	/* ASCII code K */
 #define IMPLEMENTER_ARM		0x43b
@@ -131,6 +132,19 @@ static inline bool vgic_irq_is_multi_sgi(struct vgic_irq *irq)
 	return vgic_irq_get_lr_count(irq) > 1;
 }
 
+static inline int vgic_write_guest_lock(struct kvm *kvm, gpa_t gpa,
+					const void *data, unsigned long len)
+{
+	struct vgic_dist *dist = &kvm->arch.vgic;
+	int ret;
+
+	dist->table_write_in_progress = true;
+	ret = kvm_write_guest_lock(kvm, gpa, data, len);
+	dist->table_write_in_progress = false;
+
+	return ret;
+}
+
 /*
  * This struct provides an intermediate representation of the fields contained
  * in the GICH_VMCR and ICH_VMCR registers, such that code exporting the GIC

arch/ia64/kernel/sys_ia64.c

@@ -170,6 +170,9 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
 asmlinkage long
 ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
 {
+	struct timespec64 rtn_tp;
+	s64 tick_ns;
+
 	/*
 	 * ia64's clock_gettime() syscall is implemented as a vdso call
 	 * fsys_clock_gettime(). Currently it handles only
@@ -185,8 +188,8 @@ ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *
 	switch (which_clock) {
 	case CLOCK_REALTIME:
 	case CLOCK_MONOTONIC:
-		s64 tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
-		struct timespec64 rtn_tp = ns_to_timespec64(tick_ns);
+		tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
+		rtn_tp = ns_to_timespec64(tick_ns);
 		return put_timespec64(&rtn_tp, tp);
 	}
 

arch/parisc/kernel/firmware.c

@@ -1303,7 +1303,7 @@ static char iodc_dbuf[4096] __page_aligned_bss;
  */
 int pdc_iodc_print(const unsigned char *str, unsigned count)
 {
-	unsigned int i;
+	unsigned int i, found = 0;
 	unsigned long flags;
 
 	count = min_t(unsigned int, count, sizeof(iodc_dbuf));
@@ -1315,6 +1315,7 @@ int pdc_iodc_print(const unsigned char *str, unsigned count)
 			iodc_dbuf[i+0] = '\r';
 			iodc_dbuf[i+1] = '\n';
 			i += 2;
+			found = 1;
 			goto print;
 		default:
 			iodc_dbuf[i] = str[i];
@@ -1330,7 +1331,7 @@ print:
 		__pa(pdc_result), 0, __pa(iodc_dbuf), i, 0);
 	spin_unlock_irqrestore(&pdc_lock, flags);
 
-	return i;
+	return i - found;
 }
 
 #if !defined(BOOTLOADER)

arch/parisc/kernel/ptrace.c

@@ -126,6 +126,12 @@ long arch_ptrace(struct task_struct *child, long request,
 	unsigned long tmp;
 	long ret = -EIO;
 
+	unsigned long user_regs_struct_size = sizeof(struct user_regs_struct);
+#ifdef CONFIG_64BIT
+	if (is_compat_task())
+		user_regs_struct_size /= 2;
+#endif
+
 	switch (request) {
 
 	/* Read the word at location addr in the USER area.  For ptraced
@@ -166,7 +172,7 @@ long arch_ptrace(struct task_struct *child, long request,
 		     addr >= sizeof(struct pt_regs))
 			break;
 		if (addr == PT_IAOQ0 || addr == PT_IAOQ1) {
-			data |= 3; /* ensure userspace privilege */
+			data |= PRIV_USER; /* ensure userspace privilege */
 		}
 		if ((addr >= PT_GR1 && addr <= PT_GR31) ||
 				addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
@@ -181,14 +187,14 @@ long arch_ptrace(struct task_struct *child, long request,
 		return copy_regset_to_user(child,
 					   task_user_regset_view(current),
 					   REGSET_GENERAL,
-					   0, sizeof(struct user_regs_struct),
+					   0, user_regs_struct_size,
 					   datap);
 
 	case PTRACE_SETREGS:	/* Set all gp regs in the child. */
 		return copy_regset_from_user(child,
 					     task_user_regset_view(current),
 					     REGSET_GENERAL,
-					     0, sizeof(struct user_regs_struct),
+					     0, user_regs_struct_size,
 					     datap);
 
 	case PTRACE_GETFPREGS:	/* Get the child FPU state. */
@@ -285,7 +291,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 			if (addr >= sizeof(struct pt_regs))
 				break;
 			if (addr == PT_IAOQ0+4 || addr == PT_IAOQ1+4) {
-				data |= 3; /* ensure userspace privilege */
+				data |= PRIV_USER; /* ensure userspace privilege */
 			}
 			if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
 				/* Special case, fp regs are 64 bits anyway */
@@ -302,6 +308,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 			}
 		}
 		break;
+	case PTRACE_GETREGS:
+	case PTRACE_SETREGS:
+	case PTRACE_GETFPREGS:
+	case PTRACE_SETFPREGS:
+		return arch_ptrace(child, request, addr, data);
 
 	default:
 		ret = compat_ptrace_request(child, request, addr, data);
@@ -484,7 +495,7 @@ static void set_reg(struct pt_regs *regs, int num, unsigned long val)
 	case RI(iaoq[0]):
 	case RI(iaoq[1]):
 			/* set 2 lowest bits to ensure userspace privilege: */
-			regs->iaoq[num - RI(iaoq[0])] = val | 3;
+			regs->iaoq[num - RI(iaoq[0])] = val | PRIV_USER;
 			return;
 	case RI(sar):	regs->sar = val;
 			return;

arch/powerpc/include/asm/book3s/64/tlbflush.h

@@ -97,6 +97,8 @@ static inline void tlb_flush(struct mmu_gather *tlb)
 {
 	if (radix_enabled())
 		radix__tlb_flush(tlb);
+
+	return hash__tlb_flush(tlb);
 }
 
 #ifdef CONFIG_SMP

arch/powerpc/include/asm/hw_irq.h

@@ -173,6 +173,15 @@ static inline notrace unsigned long irq_soft_mask_or_return(unsigned long mask)
 	return flags;
 }
 
+static inline notrace unsigned long irq_soft_mask_andc_return(unsigned long mask)
+{
+	unsigned long flags = irq_soft_mask_return();
+
+	irq_soft_mask_set(flags & ~mask);
+
+	return flags;
+}
+
 static inline unsigned long arch_local_save_flags(void)
 {
 	return irq_soft_mask_return();
@@ -192,7 +201,7 @@ static inline void arch_local_irq_enable(void)
 
 static inline unsigned long arch_local_irq_save(void)
 {
-	return irq_soft_mask_set_return(IRQS_DISABLED);
+	return irq_soft_mask_or_return(IRQS_DISABLED);
 }
 
 static inline bool arch_irqs_disabled_flags(unsigned long flags)
@@ -331,10 +340,11 @@ bool power_pmu_wants_prompt_pmi(void);
  * is a different soft-masked interrupt pending that requires hard
  * masking.
  */
-static inline bool should_hard_irq_enable(void)
+static inline bool should_hard_irq_enable(struct pt_regs *regs)
 {
 	if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) {
-		WARN_ON(irq_soft_mask_return() == IRQS_ENABLED);
+		WARN_ON(irq_soft_mask_return() != IRQS_ALL_DISABLED);
+		WARN_ON(!(get_paca()->irq_happened & PACA_IRQ_HARD_DIS));
 		WARN_ON(mfmsr() & MSR_EE);
 	}
 
@@ -347,8 +357,17 @@ static inline bool should_hard_irq_enable(void)
 	 *
 	 * TODO: Add test for 64e
 	 */
-	if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && !power_pmu_wants_prompt_pmi())
-		return false;
+	if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) {
+		if (!power_pmu_wants_prompt_pmi())
+			return false;
+		/*
+		 * If PMIs are disabled then IRQs should be disabled as well,
+		 * so we shouldn't see this condition, check for it just in
+		 * case because we are about to enable PMIs.
+		 */
+		if (WARN_ON_ONCE(regs->softe & IRQS_PMI_DISABLED))
+			return false;
+	}
 
 	if (get_paca()->irq_happened & PACA_IRQ_MUST_HARD_MASK)
 		return false;
@@ -358,18 +377,16 @@ static inline bool should_hard_irq_enable(void)
 
 /*
  * Do the hard enabling, only call this if should_hard_irq_enable is true.
+ * This allows PMI interrupts to profile irq handlers.
  */
 static inline void do_hard_irq_enable(void)
 {
-	if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) {
-		WARN_ON(irq_soft_mask_return() == IRQS_ENABLED);
-		WARN_ON(get_paca()->irq_happened & PACA_IRQ_MUST_HARD_MASK);
-		WARN_ON(mfmsr() & MSR_EE);
-	}
 	/*
-	 * This allows PMI interrupts (and watchdog soft-NMIs) through.
-	 * There is no other reason to enable this way.
+	 * Asynch interrupts come in with IRQS_ALL_DISABLED,
+	 * PACA_IRQ_HARD_DIS, and MSR[EE]=0.
 	 */
+	if (IS_ENABLED(CONFIG_PPC_BOOK3S_64))
+		irq_soft_mask_andc_return(IRQS_PMI_DISABLED);
 	get_paca()->irq_happened &= ~PACA_IRQ_HARD_DIS;
 	__hard_irq_enable();
 }
@@ -452,7 +469,7 @@ static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
 	return !(regs->msr & MSR_EE);
 }
 
-static __always_inline bool should_hard_irq_enable(void)
+static __always_inline bool should_hard_irq_enable(struct pt_regs *regs)
 {
 	return false;
 }

arch/powerpc/kernel/dbell.c

@@ -27,7 +27,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(doorbell_exception)
 
 	ppc_msgsync();
 
-	if (should_hard_irq_enable())
+	if (should_hard_irq_enable(regs))
 		do_hard_irq_enable();
 
 	kvmppc_clear_host_ipi(smp_processor_id());

arch/powerpc/kernel/head_85xx.S

@@ -864,7 +864,7 @@ _GLOBAL(load_up_spe)
  * SPE unavailable trap from kernel - print a message, but let
  * the task use SPE in the kernel until it returns to user mode.
  */
-KernelSPE:
+SYM_FUNC_START_LOCAL(KernelSPE)
 	lwz	r3,_MSR(r1)
 	oris	r3,r3,MSR_SPE@h
 	stw	r3,_MSR(r1)	/* enable use of SPE after return */
@@ -881,6 +881,7 @@ KernelSPE:
 #endif
 	.align	4,0
 
+SYM_FUNC_END(KernelSPE)
 #endif /* CONFIG_SPE */
 
 /*

arch/powerpc/kernel/irq.c

@@ -238,7 +238,7 @@ static void __do_irq(struct pt_regs *regs, unsigned long oldsp)
 	irq = static_call(ppc_get_irq)();
 
 	/* We can hard enable interrupts now to allow perf interrupts */
-	if (should_hard_irq_enable())
+	if (should_hard_irq_enable(regs))
 		do_hard_irq_enable();
 
 	/* And finally process it */