Changes 27/12/21

Documentation/admin-guide/kernel-parameters.txt

@@ -2413,8 +2413,12 @@
 			Default is 1 (enabled)
 
 	kvm-intel.emulate_invalid_guest_state=
-			[KVM,Intel] Enable emulation of invalid guest states
-			Default is 0 (disabled)
+			[KVM,Intel] Disable emulation of invalid guest state.
+			Ignored if kvm-intel.enable_unrestricted_guest=1, as
+			guest state is never invalid for unrestricted guests.
+			This param doesn't apply to nested guests (L2), as KVM
+			never emulates invalid L2 guest state.
+			Default is 1 (enabled)
 
 	kvm-intel.flexpriority=
 			[KVM,Intel] Disable FlexPriority feature (TPR shadow).

Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml

@@ -51,6 +51,19 @@ patternProperties:
     description:
       Properties for single BUCK regulator.
 
+    properties:
+      op_mode:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        enum: [0, 1, 2, 3]
+        default: 1
+        description: |
+          Describes the different operating modes of the regulator with power
+          mode change in SOC. The different possible values are:
+            0 - always off mode
+            1 - on in normal mode
+            2 - low power mode
+            3 - suspend mode
+
     required:
       - regulator-name
 
@@ -63,6 +76,18 @@ patternProperties:
       Properties for single BUCK regulator.
 
     properties:
+      op_mode:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        enum: [0, 1, 2, 3]
+        default: 1
+        description: |
+          Describes the different operating modes of the regulator with power
+          mode change in SOC. The different possible values are:
+            0 - always off mode
+            1 - on in normal mode
+            2 - low power mode
+            3 - suspend mode
+
       s5m8767,pmic-ext-control-gpios:
         maxItems: 1
         description: |

MAINTAINERS

@@ -21059,7 +21059,7 @@ S:	Maintained
 F:	arch/x86/kernel/cpu/zhaoxin.c
 
 ZONEFS FILESYSTEM
-M:	Damien Le Moal <[email protected]>
+M:	Damien Le Moal <damien.lemoal@opensource.wdc.com>
 M:	Naohiro Aota <[email protected]>
 R:	Johannes Thumshirn <[email protected]>
 L:	[email protected]

Makefile

@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 16
 SUBLEVEL = 0
-EXTRAVERSION = -gravity1
+EXTRAVERSION = -gravity2
 NAME = Gobble Gobble
 
 # *DOCUMENTATION*

arch/mips/include/asm/mach-ralink/spaces.h

@@ -6,5 +6,7 @@
 #define PCI_IOSIZE	SZ_64K
 #define IO_SPACE_LIMIT	(PCI_IOSIZE - 1)
 
+#define pci_remap_iospace pci_remap_iospace
+
 #include <asm/mach-generic/spaces.h>
 #endif

arch/mips/include/asm/pci.h

@@ -20,10 +20,6 @@
 #include <linux/list.h>
 #include <linux/of.h>
 
-#ifdef CONFIG_PCI_DRIVERS_GENERIC
-#define pci_remap_iospace pci_remap_iospace
-#endif
-
 #ifdef CONFIG_PCI_DRIVERS_LEGACY
 
 /*

arch/mips/pci/pci-generic.c

@@ -47,6 +47,7 @@ void pcibios_fixup_bus(struct pci_bus *bus)
 	pci_read_bridge_bases(bus);
 }
 
+#ifdef pci_remap_iospace
 int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
 {
 	unsigned long vaddr;
@@ -60,3 +61,4 @@ int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
 	set_io_port_base(vaddr);
 	return 0;
 }
+#endif

arch/powerpc/kernel/module_64.c

@@ -422,11 +422,17 @@ static inline int create_stub(const Elf64_Shdr *sechdrs,
 			      const char *name)
 {
 	long reladdr;
+	func_desc_t desc;
+	int i;
 
 	if (is_mprofile_ftrace_call(name))
 		return create_ftrace_stub(entry, addr, me);
 
-	memcpy(entry->jump, ppc64_stub_insns, sizeof(ppc64_stub_insns));
+	for (i = 0; i < sizeof(ppc64_stub_insns) / sizeof(u32); i++) {
+		if (patch_instruction(&entry->jump[i],
+				      ppc_inst(ppc64_stub_insns[i])))
+			return 0;
+	}
 
 	/* Stub uses address relative to r2. */
 	reladdr = (unsigned long)entry - my_r2(sechdrs, me);
@@ -437,10 +443,24 @@ static inline int create_stub(const Elf64_Shdr *sechdrs,
 	}
 	pr_debug("Stub %p get data from reladdr %li\n", entry, reladdr);
 
-	entry->jump[0] |= PPC_HA(reladdr);
-	entry->jump[1] |= PPC_LO(reladdr);
-	entry->funcdata = func_desc(addr);
-	entry->magic = STUB_MAGIC;
+	if (patch_instruction(&entry->jump[0],
+			      ppc_inst(entry->jump[0] | PPC_HA(reladdr))))
+		return 0;
+
+	if (patch_instruction(&entry->jump[1],
+			  ppc_inst(entry->jump[1] | PPC_LO(reladdr))))
+		return 0;
+
+	// func_desc_t is 8 bytes if ABIv2, else 16 bytes
+	desc = func_desc(addr);
+	for (i = 0; i < sizeof(func_desc_t) / sizeof(u32); i++) {
+		if (patch_instruction(((u32 *)&entry->funcdata) + i,
+				      ppc_inst(((u32 *)(&desc))[i])))
+			return 0;
+	}
+
+	if (patch_instruction(&entry->magic, ppc_inst(STUB_MAGIC)))
+		return 0;
 
 	return 1;
 }
@@ -495,8 +515,11 @@ static int restore_r2(const char *name, u32 *instruction, struct module *me)
 			me->name, *instruction, instruction);
 		return 0;
 	}
+
 	/* ld r2,R2_STACK_OFFSET(r1) */
-	*instruction = PPC_INST_LD_TOC;
+	if (patch_instruction(instruction, ppc_inst(PPC_INST_LD_TOC)))
+		return 0;
+
 	return 1;
 }
 
@@ -636,9 +659,12 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
 			}
 
 			/* Only replace bits 2 through 26 */
-			*(uint32_t *)location
-				= (*(uint32_t *)location & ~0x03fffffc)
+			value = (*(uint32_t *)location & ~0x03fffffc)
 				| (value & 0x03fffffc);
+
+			if (patch_instruction((u32 *)location, ppc_inst(value)))
+				return -EFAULT;
+
 			break;
 
 		case R_PPC64_REL64:

arch/powerpc/platforms/85xx/smp.c

@@ -220,7 +220,7 @@ static int smp_85xx_start_cpu(int cpu)
 	local_irq_save(flags);
 	hard_irq_disable();
 
-	if (qoriq_pm_ops)
+	if (qoriq_pm_ops && qoriq_pm_ops->cpu_up_prepare)
 		qoriq_pm_ops->cpu_up_prepare(cpu);
 
 	/* if cpu is not spinning, reset it */
@@ -292,7 +292,7 @@ static int smp_85xx_kick_cpu(int nr)
 		booting_thread_hwid = cpu_thread_in_core(nr);
 		primary = cpu_first_thread_sibling(nr);
 
-		if (qoriq_pm_ops)
+		if (qoriq_pm_ops && qoriq_pm_ops->cpu_up_prepare)
 			qoriq_pm_ops->cpu_up_prepare(nr);
 
 		/*

arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts

@@ -76,6 +76,7 @@
 		spi-max-frequency = <20000000>;
 		voltage-ranges = <3300 3300>;
 		disable-wp;
+		gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 	};
 };