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

Conflicts: net/xdp/xsk.c 0ebc27a4c67d ("xsk: avoid data corruption on cq descriptor number") 8da7bea7db69 ("xsk: add indirect call for xsk_destruct_skb") 30ed05adca4a ("xsk: use a smaller new lock for shared pool case") https://lore.kernel.org/20251127105450.4a1665ec@canb.auug.org.au https://lore.kernel.org/eb4eee14-7e24-4d1b-b312-e9ea738fefee@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
author: Jakub Kicinski <kuba@kernel.org> 2025-11-27 12:16:40 -0800
committer: Jakub Kicinski <kuba@kernel.org> 2025-11-27 12:19:08 -0800
commit: db4029859d6fd03f0622d394f4cdb1be86d7ec62 (patch)
tree: e2e33b9c1f6bb9aea36df6ce974d698f0aaf177c /arch
parent: 73f784b2c938e17e4af90aff4cdcaafe4ca06a5f (diff)
parent: 1f5e808aa63af61ec0d6a14909056d6668813e86 (diff)
download: net-db4029859d6fd03f0622d394f4cdb1be86d7ec62.tar.gz
17 files changed, 165 insertions, 151 deletions
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index c022c1acb8c7d9..f1cb2447afc9c1 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -351,16 +351,6 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
 			 * as long as we take care not to create a writable
 			 * mapping for executable code.
 			 */
-			fallthrough;
-
-		case EFI_ACPI_MEMORY_NVS:
-			/*
-			 * ACPI NVS marks an area reserved for use by the
-			 * firmware, even after exiting the boot service.
-			 * This may be used by the firmware for sharing dynamic
-			 * tables/data (e.g., ACPI CCEL) with the OS. Map it
-			 * as read-only.
-			 */
 			prot = PAGE_KERNEL_RO;
 			break;
 
diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index c7d70d04c164ca..80a580e019c501 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -1032,6 +1032,8 @@ void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry)
 
 	if (arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE) {
 		/* No point mitigating Spectre-BHB alone. */
+	} else if (!IS_ENABLED(CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY)) {
+		/* Do nothing */
 	} else if (supports_ecbhb(SCOPE_LOCAL_CPU)) {
 		state = SPECTRE_MITIGATED;
 		set_bit(BHB_HW, &system_bhb_mitigations);
diff --git a/arch/loongarch/include/asm/cpu.h b/arch/loongarch/include/asm/cpu.h
index d4cd4041bee7ea..f3efb00b61414a 100644
--- a/arch/loongarch/include/asm/cpu.h
+++ b/arch/loongarch/include/asm/cpu.h
@@ -55,6 +55,27 @@ enum cpu_type_enum {
 	CPU_LAST
 };
 
+static inline char *id_to_core_name(unsigned int id)
+{
+	if ((id & PRID_COMP_MASK) != PRID_COMP_LOONGSON)
+		return "Unknown";
+
+	switch (id & PRID_SERIES_MASK) {
+	case PRID_SERIES_LA132:
+		return "LA132";
+	case PRID_SERIES_LA264:
+		return "LA264";
+	case PRID_SERIES_LA364:
+		return "LA364";
+	case PRID_SERIES_LA464:
+		return "LA464";
+	case PRID_SERIES_LA664:
+		return "LA664";
+	default:
+		return "Unknown";
+	}
+}
+
 #endif /* !__ASSEMBLER__ */
 
 /*
diff --git a/arch/loongarch/include/uapi/asm/ptrace.h b/arch/loongarch/include/uapi/asm/ptrace.h
index aafb3cd9e943e5..215e0f9e8aa32a 100644
--- a/arch/loongarch/include/uapi/asm/ptrace.h
+++ b/arch/loongarch/include/uapi/asm/ptrace.h
@@ -10,10 +10,6 @@
 
 #include <linux/types.h>
 
-#ifndef __KERNEL__
-#include <stdint.h>
-#endif
-
 /*
  * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
  * 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
@@ -41,44 +37,44 @@ struct user_pt_regs {
 } __attribute__((aligned(8)));
 
 struct user_fp_state {
-	uint64_t fpr[32];
-	uint64_t fcc;
-	uint32_t fcsr;
+	__u64 fpr[32];
+	__u64 fcc;
+	__u32 fcsr;
 };
 
 struct user_lsx_state {
 	/* 32 registers, 128 bits width per register. */
-	uint64_t vregs[32*2];
+	__u64 vregs[32*2];
 };
 
 struct user_lasx_state {
 	/* 32 registers, 256 bits width per register. */
-	uint64_t vregs[32*4];
+	__u64 vregs[32*4];
 };
 
 struct user_lbt_state {
-	uint64_t scr[4];
-	uint32_t eflags;
-	uint32_t ftop;
+	__u64 scr[4];
+	__u32 eflags;
+	__u32 ftop;
 };
 
 struct user_watch_state {
-	uint64_t dbg_info;
+	__u64 dbg_info;
 	struct {
-		uint64_t    addr;
-		uint64_t    mask;
-		uint32_t    ctrl;
-		uint32_t    pad;
+		__u64    addr;
+		__u64    mask;
+		__u32    ctrl;
+		__u32    pad;
 	} dbg_regs[8];
 };
 
 struct user_watch_state_v2 {
-	uint64_t dbg_info;
+	__u64 dbg_info;
 	struct {
-		uint64_t    addr;
-		uint64_t    mask;
-		uint32_t    ctrl;
-		uint32_t    pad;
+		__u64    addr;
+		__u64    mask;
+		__u32    ctrl;
+		__u32    pad;
 	} dbg_regs[14];
 };
 
diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c
index 6f943d1391ff75..a2060a24b39fd7 100644
--- a/arch/loongarch/kernel/cpu-probe.c
+++ b/arch/loongarch/kernel/cpu-probe.c
@@ -277,7 +277,7 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int
 	uint32_t config;
 	uint64_t *vendor = (void *)(&cpu_full_name[VENDOR_OFFSET]);
 	uint64_t *cpuname = (void *)(&cpu_full_name[CPUNAME_OFFSET]);
-	const char *core_name = "Unknown";
+	const char *core_name = id_to_core_name(c->processor_id);
 
 	switch (BIT(fls(c->isa_level) - 1)) {
 	case LOONGARCH_CPU_ISA_LA32R:
@@ -291,35 +291,23 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int
 		break;
 	}
 
-	switch (c->processor_id & PRID_SERIES_MASK) {
-	case PRID_SERIES_LA132:
-		core_name = "LA132";
-		break;
-	case PRID_SERIES_LA264:
-		core_name = "LA264";
-		break;
-	case PRID_SERIES_LA364:
-		core_name = "LA364";
-		break;
-	case PRID_SERIES_LA464:
-		core_name = "LA464";
-		break;
-	case PRID_SERIES_LA664:
-		core_name = "LA664";
-		break;
-	}
-
 	pr_info("%s Processor probed (%s Core)\n", __cpu_family[cpu], core_name);
 
-	if (!cpu_has_iocsr)
+	if (!cpu_has_iocsr) {
+		__cpu_full_name[cpu] = "Unknown";
 		return;
-
-	if (!__cpu_full_name[cpu])
-		__cpu_full_name[cpu] = cpu_full_name;
+	}
 
 	*vendor = iocsr_read64(LOONGARCH_IOCSR_VENDOR);
 	*cpuname = iocsr_read64(LOONGARCH_IOCSR_CPUNAME);
 
+	if (!__cpu_full_name[cpu]) {
+		if (((char *)vendor)[0] == 0)
+			__cpu_full_name[cpu] = "Unknown";
+		else
+			__cpu_full_name[cpu] = cpu_full_name;
+	}
+
 	config = iocsr_read32(LOONGARCH_IOCSR_FEATURES);
 	if (config & IOCSRF_CSRIPI)
 		c->options |= LOONGARCH_CPU_CSRIPI;
diff --git a/arch/loongarch/kernel/machine_kexec.c b/arch/loongarch/kernel/machine_kexec.c
index 2d64b7c81e5e45..d7fafda1d5417c 100644
--- a/arch/loongarch/kernel/machine_kexec.c
+++ b/arch/loongarch/kernel/machine_kexec.c
@@ -237,6 +237,7 @@ void machine_crash_shutdown(struct pt_regs *regs)
 #ifdef CONFIG_SMP
 	crash_smp_send_stop();
 #endif
+	machine_kexec_mask_interrupts();
 	cpumask_set_cpu(crashing_cpu, &cpus_in_crash);
 
 	pr_info("Starting crashdump kernel...\n");
@@ -274,6 +275,7 @@ void machine_kexec(struct kimage *image)
 
 	/* We do not want to be bothered. */
 	local_irq_disable();
+	machine_kexec_mask_interrupts();
 
 	pr_notice("EFI boot flag: 0x%lx\n", efi_boot);
 	pr_notice("Command line addr: 0x%lx\n", cmdline_ptr);
diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c
index ab9c660526a345..8b89898e20df10 100644
--- a/arch/loongarch/kernel/numa.c
+++ b/arch/loongarch/kernel/numa.c
@@ -158,35 +158,9 @@ static void __init node_mem_init(unsigned int node)
 
 #ifdef CONFIG_ACPI_NUMA
 
-/*
- * add_numamem_region
- *
- * Add a uasable memory region described by BIOS. The
- * routine gets each intersection between BIOS's region
- * and node's region, and adds them into node's memblock
- * pool.
- *
- */
-static void __init add_numamem_region(u64 start, u64 end, u32 type)
-{
-	u32 node = pa_to_nid(start);
-	u64 size = end - start;
-	static unsigned long num_physpages;
-
-	if (start >= end) {
-		pr_debug("Invalid region: %016llx-%016llx\n", start, end);
-		return;
-	}
+static unsigned long num_physpages;
 
-	num_physpages += (size >> PAGE_SHIFT);
-	pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx Bytes\n",
-		node, type, start, size);
-	pr_info("       start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
-		start >> PAGE_SHIFT, end >> PAGE_SHIFT, num_physpages);
-	memblock_set_node(start, size, &memblock.memory, node);
-}
-
-static void __init init_node_memblock(void)
+static void __init info_node_memblock(void)
 {
 	u32 mem_type;
 	u64 mem_end, mem_start, mem_size;
@@ -206,12 +180,20 @@ static void __init init_node_memblock(void)
 		case EFI_BOOT_SERVICES_DATA:
 		case EFI_PERSISTENT_MEMORY:
 		case EFI_CONVENTIONAL_MEMORY:
-			add_numamem_region(mem_start, mem_end, mem_type);
+			num_physpages += (mem_size >> PAGE_SHIFT);
+			pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx Bytes\n",
+				(u32)pa_to_nid(mem_start), mem_type, mem_start, mem_size);
+			pr_info("       start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
+				mem_start >> PAGE_SHIFT, mem_end >> PAGE_SHIFT, num_physpages);
 			break;
 		case EFI_PAL_CODE:
 		case EFI_UNUSABLE_MEMORY:
 		case EFI_ACPI_RECLAIM_MEMORY:
-			add_numamem_region(mem_start, mem_end, mem_type);
+			num_physpages += (mem_size >> PAGE_SHIFT);
+			pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx Bytes\n",
+				(u32)pa_to_nid(mem_start), mem_type, mem_start, mem_size);
+			pr_info("       start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
+				mem_start >> PAGE_SHIFT, mem_end >> PAGE_SHIFT, num_physpages);
 			fallthrough;
 		case EFI_RESERVED_TYPE:
 		case EFI_RUNTIME_SERVICES_CODE:
@@ -249,22 +231,16 @@ int __init init_numa_memory(void)
 	for (i = 0; i < NR_CPUS; i++)
 		set_cpuid_to_node(i, NUMA_NO_NODE);
 
-	numa_reset_distance();
-	nodes_clear(numa_nodes_parsed);
-	nodes_clear(node_possible_map);
-	nodes_clear(node_online_map);
-	WARN_ON(memblock_clear_hotplug(0, PHYS_ADDR_MAX));
-
 	/* Parse SRAT and SLIT if provided by firmware. */
-	ret = acpi_disabled ? fake_numa_init() : acpi_numa_init();
+	if (!acpi_disabled)
+		ret = numa_memblks_init(acpi_numa_init, false);
+	else
+		ret = numa_memblks_init(fake_numa_init, false);
+
 	if (ret < 0)
 		return ret;
 
-	node_possible_map = numa_nodes_parsed;
-	if (WARN_ON(nodes_empty(node_possible_map)))
-		return -EINVAL;
-
-	init_node_memblock();
+	info_node_memblock();
 	if (!memblock_validate_numa_coverage(SZ_1M))
 		return -EINVAL;
 
diff --git a/arch/loongarch/kernel/proc.c b/arch/loongarch/kernel/proc.c
index cea30768ae92a6..63d2b7e7e844b0 100644
--- a/arch/loongarch/kernel/proc.c
+++ b/arch/loongarch/kernel/proc.c
@@ -17,6 +17,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 {
 	unsigned long n = (unsigned long) v - 1;
 	unsigned int isa = cpu_data[n].isa_level;
+	unsigned int prid = cpu_data[n].processor_id;
 	unsigned int version = cpu_data[n].processor_id & 0xff;
 	unsigned int fp_version = cpu_data[n].fpu_vers;
 
@@ -37,6 +38,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	seq_printf(m, "global_id\t\t: %d\n", cpu_data[n].global_id);
 	seq_printf(m, "CPU Family\t\t: %s\n", __cpu_family[n]);
 	seq_printf(m, "Model Name\t\t: %s\n", __cpu_full_name[n]);
+	seq_printf(m, "PRID\t\t\t: %s (%08x)\n", id_to_core_name(prid), prid);
 	seq_printf(m, "CPU Revision\t\t: 0x%02x\n", version);
 	seq_printf(m, "FPU Revision\t\t: 0x%02x\n", fp_version);
 	seq_printf(m, "CPU MHz\t\t\t: %llu.%02llu\n",
diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index cbe53d0b7fb063..f97dc993640174 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -1624,6 +1624,9 @@ static int __arch_prepare_bpf_trampoline(struct jit_ctx *ctx, struct bpf_tramp_i
 	/* Direct jump skips 5 NOP instructions */
 	else if (is_bpf_text_address((unsigned long)orig_call))
 		orig_call += LOONGARCH_BPF_FENTRY_NBYTES;
+	/* Module tracing not supported - cause kernel lockups */
+	else if (is_module_text_address((unsigned long)orig_call))
+		return -ENOTSUPP;
 
 	if (flags & BPF_TRAMP_F_CALL_ORIG) {
 		move_addr(ctx, LOONGARCH_GPR_A0, (const u64)im);
diff --git a/arch/loongarch/pci/pci.c b/arch/loongarch/pci/pci.c
index 5bc9627a6cf9cb..d9fc5d520b3778 100644
--- a/arch/loongarch/pci/pci.c
+++ b/arch/loongarch/pci/pci.c
@@ -50,11 +50,11 @@ static int __init pcibios_init(void)
 	 */
 	lsize = cpu_last_level_cache_line_size();
 
-	BUG_ON(!lsize);
+	if (lsize) {
+		pci_dfl_cache_line_size = lsize >> 2;
 
-	pci_dfl_cache_line_size = lsize >> 2;
-
-	pr_debug("PCI: pci_cache_line_size set to %d bytes\n", lsize);
+		pr_debug("PCI: pci_cache_line_size set to %d bytes\n", lsize);
+	}
 
 	return 0;
 }
diff --git a/arch/mips/boot/dts/econet/en751221.dtsi b/arch/mips/boot/dts/econet/en751221.dtsi
index 66197e73d4f04b..2abeef5b744a88 100644
--- a/arch/mips/boot/dts/econet/en751221.dtsi
+++ b/arch/mips/boot/dts/econet/en751221.dtsi
@@ -18,7 +18,7 @@
 
 		cpu@0 {
 			device_type = "cpu";
-			compatible = "mips,mips24KEc";
+			compatible = "mips,mips34Kc";
 			reg = <0>;
 		};
 	};
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 29191fa1801e2a..a3101f2268c6c8 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -692,7 +692,7 @@ unsigned long mips_stack_top(void)
 	/* Space for the VDSO, data page & GIC user page */
 	if (current->thread.abi) {
 		top -= PAGE_ALIGN(current->thread.abi->vdso->size);
-		top -= PAGE_SIZE;
+		top -= VDSO_NR_PAGES * PAGE_SIZE;
 		top -= mips_gic_present() ? PAGE_SIZE : 0;
 
 		/* Space to randomize the VDSO base */
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 347126dc010dd5..3facf7cc6c7d3f 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -15,6 +15,7 @@
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/export.h>
+#include <linux/sort.h>
 
 #include <asm/cpu.h>
 #include <asm/cpu-type.h>
@@ -508,54 +509,78 @@ static int __init set_ntlb(char *str)
 
 __setup("ntlb=", set_ntlb);
 
-/* Initialise all TLB entries with unique values */
+
+/* Comparison function for EntryHi VPN fields.  */
+static int r4k_vpn_cmp(const void *a, const void *b)
+{
+	long v = *(unsigned long *)a - *(unsigned long *)b;
+	int s = sizeof(long) > sizeof(int) ? sizeof(long) * 8 - 1: 0;
+	return s ? (v != 0) | v >> s : v;
+}
+
+/*
+ * Initialise all TLB entries with unique values that do not clash with
+ * what we have been handed over and what we'll be using ourselves.
+ */
 static void r4k_tlb_uniquify(void)
 {
-	int entry = num_wired_entries();
+	unsigned long tlb_vpns[1 << MIPS_CONF1_TLBS_SIZE];
+	int tlbsize = current_cpu_data.tlbsize;
+	int start = num_wired_entries();
+	unsigned long vpn_mask;
+	int cnt, ent, idx, i;
+
+	vpn_mask = GENMASK(cpu_vmbits - 1, 13);
+	vpn_mask |= IS_ENABLED(CONFIG_64BIT) ? 3ULL << 62 : 1 << 31;
 
 	htw_stop();
+
+	for (i = start, cnt = 0; i < tlbsize; i++, cnt++) {
+		unsigned long vpn;
+
+		write_c0_index(i);
+		mtc0_tlbr_hazard();
+		tlb_read();
+		tlb_read_hazard();
+		vpn = read_c0_entryhi();
+		vpn &= vpn_mask & PAGE_MASK;
+		tlb_vpns[cnt] = vpn;
+
+		/* Prevent any large pages from overlapping regular ones.  */
+		write_c0_pagemask(read_c0_pagemask() & PM_DEFAULT_MASK);
+		mtc0_tlbw_hazard();
+		tlb_write_indexed();
+		tlbw_use_hazard();
+	}
+
+	sort(tlb_vpns, cnt, sizeof(tlb_vpns[0]), r4k_vpn_cmp, NULL);
+
+	write_c0_pagemask(PM_DEFAULT_MASK);
 	write_c0_entrylo0(0);
 	write_c0_entrylo1(0);
 
-	while (entry < current_cpu_data.tlbsize) {
-		unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
-		unsigned long asid = 0;
-		int idx;
+	idx = 0;
+	ent = tlbsize;
+	for (i = start; i < tlbsize; i++)
+		while (1) {
+			unsigned long entryhi, vpn;
 
-		/* Skip wired MMID to make ginvt_mmid work */
-		if (cpu_has_mmid)
-			asid = MMID_KERNEL_WIRED + 1;
+			entryhi = UNIQUE_ENTRYHI(ent);
+			vpn = entryhi & vpn_mask & PAGE_MASK;
 
-		/* Check for match before using UNIQUE_ENTRYHI */
-		do {
-			if (cpu_has_mmid) {
-				write_c0_memorymapid(asid);
-				write_c0_entryhi(UNIQUE_ENTRYHI(entry));
+			if (idx >= cnt || vpn < tlb_vpns[idx]) {
+				write_c0_entryhi(entryhi);
+				write_c0_index(i);
+				mtc0_tlbw_hazard();
+				tlb_write_indexed();
+				ent++;
+				break;
+			} else if (vpn == tlb_vpns[idx]) {
+				ent++;
 			} else {
-				write_c0_entryhi(UNIQUE_ENTRYHI(entry) | asid);
+				idx++;
 			}
-			mtc0_tlbw_hazard();
-			tlb_probe();
-			tlb_probe_hazard();
-			idx = read_c0_index();
-			/* No match or match is on current entry */
-			if (idx < 0 || idx == entry)
-				break;
-			/*
-			 * If we hit a match, we need to try again with
-			 * a different ASID.
-			 */
-			asid++;
-		} while (asid < asid_mask);
-
-		if (idx >= 0 && idx != entry)
-			panic("Unable to uniquify TLB entry %d", idx);
-
-		write_c0_index(entry);
-		mtc0_tlbw_hazard();
-		tlb_write_indexed();
-		entry++;
-	}
+		}
 
 	tlbw_use_hazard();
 	htw_start();
@@ -602,6 +627,7 @@ static void r4k_tlb_configure(void)
 
 	/* From this point on the ARC firmware is dead.	 */
 	r4k_tlb_uniquify();
+	local_flush_tlb_all();
 
 	/* Did I tell you that ARC SUCKS?  */
 }
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index 000d6d50520a89..82b0fd8576a241 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -241,16 +241,22 @@ mips_pci_controller:
 #endif
 
 		/*
-		 * Setup the Malta max (2GB) memory for PCI DMA in host bridge
-		 * in transparent addressing mode.
+		 * Set up memory mapping in host bridge for PCI DMA masters,
+		 * in transparent addressing mode.  For EVA use the Malta
+		 * maximum of 2 GiB memory in the alias space at 0x80000000
+		 * as per PHYS_OFFSET.  Otherwise use 256 MiB of memory in
+		 * the regular space, avoiding mapping the PCI MMIO window
+		 * for DMA as it seems to confuse the system controller's
+		 * logic, causing PCI MMIO to stop working.
 		 */
-		mask = PHYS_OFFSET | PCI_BASE_ADDRESS_MEM_PREFETCH;
-		MSC_WRITE(MSC01_PCI_BAR0, mask);
-		MSC_WRITE(MSC01_PCI_HEAD4, mask);
+		mask = PHYS_OFFSET ? PHYS_OFFSET : 0xf0000000;
+		MSC_WRITE(MSC01_PCI_BAR0,
+			  mask | PCI_BASE_ADDRESS_MEM_PREFETCH);
+		MSC_WRITE(MSC01_PCI_HEAD4,
+			  PHYS_OFFSET | PCI_BASE_ADDRESS_MEM_PREFETCH);
 
-		mask &= MSC01_PCI_BAR0_SIZE_MSK;
 		MSC_WRITE(MSC01_PCI_P2SCMSKL, mask);
-		MSC_WRITE(MSC01_PCI_P2SCMAPL, mask);
+		MSC_WRITE(MSC01_PCI_P2SCMAPL, PHYS_OFFSET);
 
 		/* Don't handle target retries indefinitely.  */
 		if ((data & MSC01_PCI_CFG_MAXRTRY_MSK) ==
diff --git a/arch/riscv/include/asm/vendorid_list.h b/arch/riscv/include/asm/vendorid_list.h
index 3b09874d7a6dfb..7f5030ee1fcf83 100644
--- a/arch/riscv/include/asm/vendorid_list.h
+++ b/arch/riscv/include/asm/vendorid_list.h
@@ -7,8 +7,8 @@
 
 #define ANDES_VENDOR_ID		0x31e
 #define MICROCHIP_VENDOR_ID	0x029
+#define MIPS_VENDOR_ID		0x127
 #define SIFIVE_VENDOR_ID	0x489
 #define THEAD_VENDOR_ID		0x5b7
-#define MIPS_VENDOR_ID		0x722
 
 #endif
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 5e8cde05526435..c443337056ab7d 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -648,9 +648,9 @@ int sbi_debug_console_read(char *bytes, unsigned int num_bytes)
 
 void __init sbi_init(void)
 {
+	bool srst_power_off = false;
 	int ret;
 
-	sbi_set_power_off();
 	ret = sbi_get_spec_version();
 	if (ret > 0)
 		sbi_spec_version = ret;
@@ -683,6 +683,7 @@ void __init sbi_init(void)
 		    sbi_probe_extension(SBI_EXT_SRST)) {
 			pr_info("SBI SRST extension detected\n");
 			register_platform_power_off(sbi_srst_power_off);
+			srst_power_off = true;
 			sbi_srst_reboot_nb.notifier_call = sbi_srst_reboot;
 			sbi_srst_reboot_nb.priority = 192;
 			register_restart_handler(&sbi_srst_reboot_nb);
@@ -702,4 +703,7 @@ void __init sbi_init(void)
 		__sbi_send_ipi	= __sbi_send_ipi_v01;
 		__sbi_rfence	= __sbi_rfence_v01;
 	}
+
+	if (!srst_power_off)
+		sbi_set_power_off();
 }
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index d6c945cc5d07c2..e228e564b15ea6 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -1325,8 +1325,6 @@ static void uncore_pci_sub_driver_init(void)
 				continue;
 
 			pmu = &type->pmus[UNCORE_PCI_DEV_IDX(ids->driver_data)];
-			if (!pmu)
-				continue;
 
 			if (uncore_pci_get_dev_die_info(pci_sub_dev, &die))
 				continue;
author	Jakub Kicinski <kuba@kernel.org>	2025-11-27 12:16:40 -0800
committer	Jakub Kicinski <kuba@kernel.org>	2025-11-27 12:19:08 -0800
commit	db4029859d6fd03f0622d394f4cdb1be86d7ec62 (patch)
tree	e2e33b9c1f6bb9aea36df6ce974d698f0aaf177c /arch
parent	73f784b2c938e17e4af90aff4cdcaafe4ca06a5f (diff)
parent	1f5e808aa63af61ec0d6a14909056d6668813e86 (diff)
download	net-db4029859d6fd03f0622d394f4cdb1be86d7ec62.tar.gz