Merge remote-tracking branch 'stable/linux-6.12.y' into v6.12+

Documentation/arch/arm64/silicon-errata.rst

@@ -255,8 +255,9 @@ stable kernels.
 +----------------+-----------------+-----------------+-----------------------------+
 | Hisilicon      | Hip08 SMMU PMCG | #162001800      | N/A                         |
 +----------------+-----------------+-----------------+-----------------------------+
-| Hisilicon      | Hip{08,09,10,10C| #162001900      | N/A                         |
-|                | ,11} SMMU PMCG  |                 |                             |
+| Hisilicon      | Hip{08,09,09A,10| #162001900      | N/A                         |
+|                | ,10C,11}        |                 |                             |
+|                | SMMU PMCG       |                 |                             |
 +----------------+-----------------+-----------------+-----------------------------+
 | Hisilicon      | Hip09           | #162100801      | HISILICON_ERRATUM_162100801 |
 +----------------+-----------------+-----------------+-----------------------------+

Documentation/devicetree/bindings/sound/realtek,rt5645.yaml

@@ -51,7 +51,7 @@ properties:
     description: Power supply for AVDD, providing 1.8V.
 
   cpvdd-supply:
-    description: Power supply for CPVDD, providing 3.5V.
+    description: Power supply for CPVDD, providing 1.8V.
 
   hp-detect-gpios:
     description: 

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 12
-SUBLEVEL = 7
+SUBLEVEL = 8
 EXTRAVERSION =
 NAME = Baby Opossum Posse
 

arch/arm64/boot/dts/broadcom/bcm2712.dtsi

@@ -67,7 +67,7 @@
 			l2_cache_l0: l2-cache-l0 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
@@ -91,7 +91,7 @@
 			l2_cache_l1: l2-cache-l1 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
@@ -115,7 +115,7 @@
 			l2_cache_l2: l2-cache-l2 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
@@ -139,7 +139,7 @@
 			l2_cache_l3: l2-cache-l3 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;

arch/loongarch/include/asm/inst.h

@@ -683,7 +683,17 @@ DEF_EMIT_REG2I16_FORMAT(blt, blt_op)
 DEF_EMIT_REG2I16_FORMAT(bge, bge_op)
 DEF_EMIT_REG2I16_FORMAT(bltu, bltu_op)
 DEF_EMIT_REG2I16_FORMAT(bgeu, bgeu_op)
-DEF_EMIT_REG2I16_FORMAT(jirl, jirl_op)
+
+static inline void emit_jirl(union loongarch_instruction *insn,
+			     enum loongarch_gpr rd,
+			     enum loongarch_gpr rj,
+			     int offset)
+{
+	insn->reg2i16_format.opcode = jirl_op;
+	insn->reg2i16_format.immediate = offset;
+	insn->reg2i16_format.rd = rd;
+	insn->reg2i16_format.rj = rj;
+}
 
 #define DEF_EMIT_REG2BSTRD_FORMAT(NAME, OP)				\
 static inline void emit_##NAME(union loongarch_instruction *insn,	\

arch/loongarch/kernel/efi.c

@@ -95,7 +95,7 @@ static void __init init_screen_info(void)
 	memset(si, 0, sizeof(*si));
 	early_memunmap(si, sizeof(*si));
 
-	memblock_reserve(screen_info.lfb_base, screen_info.lfb_size);
+	memblock_reserve(__screen_info_lfb_base(&screen_info), screen_info.lfb_size);
 }
 
 void __init efi_init(void)

arch/loongarch/kernel/inst.c

@@ -332,7 +332,7 @@ u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
 		return INSN_BREAK;
 	}
 
-	emit_jirl(&insn, rj, rd, imm >> 2);
+	emit_jirl(&insn, rd, rj, imm >> 2);
 
 	return insn.word;
 }

arch/loongarch/net/bpf_jit.c

@@ -181,13 +181,13 @@ static void __build_epilogue(struct jit_ctx *ctx, bool is_tail_call)
 		/* Set return value */
 		emit_insn(ctx, addiw, LOONGARCH_GPR_A0, regmap[BPF_REG_0], 0);
 		/* Return to the caller */
-		emit_insn(ctx, jirl, LOONGARCH_GPR_RA, LOONGARCH_GPR_ZERO, 0);
+		emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_RA, 0);
 	} else {
 		/*
 		 * Call the next bpf prog and skip the first instruction
 		 * of TCC initialization.
 		 */
-		emit_insn(ctx, jirl, LOONGARCH_GPR_T3, LOONGARCH_GPR_ZERO, 1);
+		emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_T3, 1);
 	}
 }
 
@@ -904,7 +904,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext
 			return ret;
 
 		move_addr(ctx, t1, func_addr);
-		emit_insn(ctx, jirl, t1, LOONGARCH_GPR_RA, 0);
+		emit_insn(ctx, jirl, LOONGARCH_GPR_RA, t1, 0);
 		move_reg(ctx, regmap[BPF_REG_0], LOONGARCH_GPR_A0);
 		break;
 

arch/powerpc/platforms/book3s/vas-api.c

@@ -464,7 +464,43 @@ static vm_fault_t vas_mmap_fault(struct vm_fault *vmf)
 	return VM_FAULT_SIGBUS;
 }
 
+/*
+ * During mmap() paste address, mapping VMA is saved in VAS window
+ * struct which is used to unmap during migration if the window is
+ * still open. But the user space can remove this mapping with
+ * munmap() before closing the window and the VMA address will
+ * be invalid. Set VAS window VMA to NULL in this function which
+ * is called before VMA free.
+ */
+static void vas_mmap_close(struct vm_area_struct *vma)
+{
+	struct file *fp = vma->vm_file;
+	struct coproc_instance *cp_inst = fp->private_data;
+	struct vas_window *txwin;
+
+	/* Should not happen */
+	if (!cp_inst || !cp_inst->txwin) {
+		pr_err("No attached VAS window for the paste address mmap\n");
+		return;
+	}
+
+	txwin = cp_inst->txwin;
+	/*
+	 * task_ref.vma is set in coproc_mmap() during mmap paste
+	 * address. So it has to be the same VMA that is getting freed.
+	 */
+	if (WARN_ON(txwin->task_ref.vma != vma)) {
+		pr_err("Invalid paste address mmaping\n");
+		return;
+	}
+
+	mutex_lock(&txwin->task_ref.mmap_mutex);
+	txwin->task_ref.vma = NULL;
+	mutex_unlock(&txwin->task_ref.mmap_mutex);
+}
+
 static const struct vm_operations_struct vas_vm_ops = {
+	.close = vas_mmap_close,
 	.fault = vas_mmap_fault,
 };
 

arch/x86/events/intel/core.c

@@ -429,6 +429,16 @@ static struct event_constraint intel_lnc_event_constraints[] = {
 	EVENT_CONSTRAINT_END
 };
 
+static struct extra_reg intel_lnc_extra_regs[] __read_mostly = {
+	INTEL_UEVENT_EXTRA_REG(0x012a, MSR_OFFCORE_RSP_0, 0xfffffffffffull, RSP_0),
+	INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0xfffffffffffull, RSP_1),
+	INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
+	INTEL_UEVENT_EXTRA_REG(0x02c6, MSR_PEBS_FRONTEND, 0x9, FE),
+	INTEL_UEVENT_EXTRA_REG(0x03c6, MSR_PEBS_FRONTEND, 0x7fff1f, FE),
+	INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0xf, FE),
+	INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE),
+	EVENT_EXTRA_END
+};
 
 EVENT_ATTR_STR(mem-loads,	mem_ld_nhm,	"event=0x0b,umask=0x10,ldlat=3");
 EVENT_ATTR_STR(mem-loads,	mem_ld_snb,	"event=0xcd,umask=0x1,ldlat=3");
@@ -6344,7 +6354,7 @@ static __always_inline void intel_pmu_init_lnc(struct pmu *pmu)
 	intel_pmu_init_glc(pmu);
 	hybrid(pmu, event_constraints) = intel_lnc_event_constraints;
 	hybrid(pmu, pebs_constraints) = intel_lnc_pebs_event_constraints;
-	hybrid(pmu, extra_regs) = intel_rwc_extra_regs;
+	hybrid(pmu, extra_regs) = intel_lnc_extra_regs;
 }
 
 static __always_inline void intel_pmu_init_skt(struct pmu *pmu)

arch/x86/events/intel/ds.c

@@ -2496,6 +2496,7 @@ void __init intel_ds_init(void)
 			x86_pmu.large_pebs_flags |= PERF_SAMPLE_TIME;
 			break;
 
+		case 6:
 		case 5:
 			x86_pmu.pebs_ept = 1;
 			fallthrough;

arch/x86/events/intel/uncore.c

@@ -1910,6 +1910,7 @@ static const struct x86_cpu_id intel_uncore_match[] __initconst = {
 	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT,	&adl_uncore_init),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X,	&gnr_uncore_init),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT,	&gnr_uncore_init),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X,	&gnr_uncore_init),
 	{},
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_uncore_match);

arch/x86/kernel/cet.c

@@ -81,6 +81,34 @@ static void do_user_cp_fault(struct pt_regs *regs, unsigned long error_code)
 
 static __ro_after_init bool ibt_fatal = true;
 
+/*
+ * By definition, all missing-ENDBRANCH #CPs are a result of WFE && !ENDBR.
+ *
+ * For the kernel IBT no ENDBR selftest where #CPs are deliberately triggered,
+ * the WFE state of the interrupted context needs to be cleared to let execution
+ * continue.  Otherwise when the CPU resumes from the instruction that just
+ * caused the previous #CP, another missing-ENDBRANCH #CP is raised and the CPU
+ * enters a dead loop.
+ *
+ * This is not a problem with IDT because it doesn't preserve WFE and IRET doesn't
+ * set WFE.  But FRED provides space on the entry stack (in an expanded CS area)
+ * to save and restore the WFE state, thus the WFE state is no longer clobbered,
+ * so software must clear it.
+ */
+static void ibt_clear_fred_wfe(struct pt_regs *regs)
+{
+	/*
+	 * No need to do any FRED checks.
+	 *
+	 * For IDT event delivery, the high-order 48 bits of CS are pushed
+	 * as 0s into the stack, and later IRET ignores these bits.
+	 *
+	 * For FRED, a test to check if fred_cs.wfe is set would be dropped
+	 * by compilers.
+	 */
+	regs->fred_cs.wfe = 0;
+}
+
 static void do_kernel_cp_fault(struct pt_regs *regs, unsigned long error_code)
 {
 	if ((error_code & CP_EC) != CP_ENDBR) {
@@ -90,13 +118,15 @@ static void do_kernel_cp_fault(struct pt_regs *regs, unsigned long error_code)
 
 	if (unlikely(regs->ip == (unsigned long)&ibt_selftest_noendbr)) {
 		regs->ax = 0;
+		ibt_clear_fred_wfe(regs);
 		return;
 	}
 
 	pr_err("Missing ENDBR: %pS\n", (void *)instruction_pointer(regs));
 	if (!ibt_fatal) {
 		printk(KERN_DEFAULT CUT_HERE);
 		__warn(__FILE__, __LINE__, (void *)regs->ip, TAINT_WARN, regs, NULL);
+		ibt_clear_fred_wfe(regs);
 		return;
 	}
 	BUG();

block/blk-mq.c

@@ -3903,16 +3903,11 @@ static int blk_mq_init_hctx(struct request_queue *q,
 {
 	hctx->queue_num = hctx_idx;
 
-	if (!(hctx->flags & BLK_MQ_F_STACKING))
-		cpuhp_state_add_instance_nocalls(CPUHP_AP_BLK_MQ_ONLINE,
-				&hctx->cpuhp_online);
-	cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);
-
 	hctx->tags = set->tags[hctx_idx];
 
 	if (set->ops->init_hctx &&
 	    set->ops->init_hctx(hctx, set->driver_data, hctx_idx))
-		goto unregister_cpu_notifier;
+		goto fail;
 
 	if (blk_mq_init_request(set, hctx->fq->flush_rq, hctx_idx,
 				hctx->numa_node))
@@ -3921,6 +3916,11 @@ static int blk_mq_init_hctx(struct request_queue *q,
 	if (xa_insert(&q->hctx_table, hctx_idx, hctx, GFP_KERNEL))
 		goto exit_flush_rq;
 
+	if (!(hctx->flags & BLK_MQ_F_STACKING))
+		cpuhp_state_add_instance_nocalls(CPUHP_AP_BLK_MQ_ONLINE,
+				&hctx->cpuhp_online);
+	cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);
+
 	return 0;
 
  exit_flush_rq:
@@ -3929,8 +3929,7 @@ static int blk_mq_init_hctx(struct request_queue *q,
  exit_hctx:
 	if (set->ops->exit_hctx)
 		set->ops->exit_hctx(hctx, hctx_idx);
- unregister_cpu_notifier:
-	blk_mq_remove_cpuhp(hctx);
+ fail:
 	return -1;
 }
 

drivers/acpi/arm64/iort.c

@@ -1703,6 +1703,8 @@ static struct acpi_platform_list pmcg_plat_info[] __initdata = {
 	/* HiSilicon Hip09 Platform */
 	{"HISI  ", "HIP09   ", 0, ACPI_SIG_IORT, greater_than_or_equal,
 	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
+	{"HISI  ", "HIP09A  ", 0, ACPI_SIG_IORT, greater_than_or_equal,
+	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},
 	/* HiSilicon Hip10/11 Platform uses the same SMMU IP with Hip09 */
 	{"HISI  ", "HIP10   ", 0, ACPI_SIG_IORT, greater_than_or_equal,
 	 "Erratum #162001900", IORT_SMMU_V3_PMCG_HISI_HIP09},

drivers/base/regmap/regmap.c

@@ -1063,13 +1063,13 @@ struct regmap *__regmap_init(struct device *dev,
 
 		/* Sanity check */
 		if (range_cfg->range_max < range_cfg->range_min) {
-			dev_err(map->dev, "Invalid range %d: %d < %d\n", i,
+			dev_err(map->dev, "Invalid range %d: %u < %u\n", i,
 				range_cfg->range_max, range_cfg->range_min);
 			goto err_range;
 		}
 
 		if (range_cfg->range_max > map->max_register) {
-			dev_err(map->dev, "Invalid range %d: %d > %d\n", i,
+			dev_err(map->dev, "Invalid range %d: %u > %u\n", i,
 				range_cfg->range_max, map->max_register);
 			goto err_range;
 		}

drivers/block/ublk_drv.c

@@ -1599,6 +1599,21 @@ static void ublk_unquiesce_dev(struct ublk_device *ub)
 	blk_mq_kick_requeue_list(ub->ub_disk->queue);
 }
 
+static struct gendisk *ublk_detach_disk(struct ublk_device *ub)
+{
+	struct gendisk *disk;
+
+	/* Sync with ublk_abort_queue() by holding the lock */
+	spin_lock(&ub->lock);
+	disk = ub->ub_disk;
+	ub->dev_info.state = UBLK_S_DEV_DEAD;
+	ub->dev_info.ublksrv_pid = -1;
+	ub->ub_disk = NULL;
+	spin_unlock(&ub->lock);
+
+	return disk;
+}
+
 static void ublk_stop_dev(struct ublk_device *ub)
 {
 	struct gendisk *disk;
@@ -1612,14 +1627,7 @@ static void ublk_stop_dev(struct ublk_device *ub)
 		ublk_unquiesce_dev(ub);
 	}
 	del_gendisk(ub->ub_disk);
-
-	/* Sync with ublk_abort_queue() by holding the lock */
-	spin_lock(&ub->lock);
-	disk = ub->ub_disk;
-	ub->dev_info.state = UBLK_S_DEV_DEAD;
-	ub->dev_info.ublksrv_pid = -1;
-	ub->ub_disk = NULL;
-	spin_unlock(&ub->lock);
+	disk = ublk_detach_disk(ub);
 	put_disk(disk);
  unlock:
 	mutex_unlock(&ub->mutex);
@@ -2295,7 +2303,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd)
 
 out_put_cdev:
 	if (ret) {
-		ub->dev_info.state = UBLK_S_DEV_DEAD;
+		ublk_detach_disk(ub);
 		ublk_put_device(ub);
 	}
 	if (ret)