[gentoo-commits] proj/linux-patches:4.19 commit in: /

[Mike Pagano]

commit:     639a49e4ef9f0716154d7524de784a0c0e055f41
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Sep 26 14:13:46 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Sep 26 14:13:46 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=639a49e4

Linux patch 4.19.208

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README               |   4 +
 1207_linux-4.19.208.patch | 855 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 859 insertions(+)

diff --git a/0000_README b/0000_README
index 6a76482..e4a501b 100644
--- a/0000_README
+++ b/0000_README
@@ -867,6 +867,10 @@ Patch:  1206_linux-4.19.207.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.207
 
+Patch:  1207_linux-4.19.208.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.208
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1207_linux-4.19.208.patch b/1207_linux-4.19.208.patch
new file mode 100644
index 0000000..fa55a73
--- /dev/null
+++ b/1207_linux-4.19.208.patch
@@ -0,0 +1,855 @@
+diff --git a/Makefile b/Makefile
+index 77dd62aa0bbe5..a4c2526409831 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 207
++SUBLEVEL = 208
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arm64/kernel/cacheinfo.c b/arch/arm64/kernel/cacheinfo.c
+index 0bf0a835122f8..d17414cbb89a8 100644
+--- a/arch/arm64/kernel/cacheinfo.c
++++ b/arch/arm64/kernel/cacheinfo.c
+@@ -45,7 +45,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
+ 	this_leaf->type = type;
+ }
+ 
+-static int __init_cache_level(unsigned int cpu)
++int init_cache_level(unsigned int cpu)
+ {
+ 	unsigned int ctype, level, leaves, fw_level;
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+@@ -80,7 +80,7 @@ static int __init_cache_level(unsigned int cpu)
+ 	return 0;
+ }
+ 
+-static int __populate_cache_leaves(unsigned int cpu)
++int populate_cache_leaves(unsigned int cpu)
+ {
+ 	unsigned int level, idx;
+ 	enum cache_type type;
+@@ -99,6 +99,3 @@ static int __populate_cache_leaves(unsigned int cpu)
+ 	}
+ 	return 0;
+ }
+-
+-DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
+-DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)
+diff --git a/arch/mips/kernel/cacheinfo.c b/arch/mips/kernel/cacheinfo.c
+index 3ea95568ece49..1c19a06983089 100644
+--- a/arch/mips/kernel/cacheinfo.c
++++ b/arch/mips/kernel/cacheinfo.c
+@@ -28,7 +28,7 @@ do {								\
+ 	leaf++;							\
+ } while (0)
+ 
+-static int __init_cache_level(unsigned int cpu)
++int init_cache_level(unsigned int cpu)
+ {
+ 	struct cpuinfo_mips *c = &current_cpu_data;
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+@@ -80,7 +80,7 @@ static void fill_cpumask_cluster(int cpu, cpumask_t *cpu_map)
+ 			cpumask_set_cpu(cpu1, cpu_map);
+ }
+ 
+-static int __populate_cache_leaves(unsigned int cpu)
++int populate_cache_leaves(unsigned int cpu)
+ {
+ 	struct cpuinfo_mips *c = &current_cpu_data;
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+@@ -109,6 +109,3 @@ static int __populate_cache_leaves(unsigned int cpu)
+ 
+ 	return 0;
+ }
+-
+-DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
+-DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)
+diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c
+index 0bc86e5f8f3fb..9d46c8575a61a 100644
+--- a/arch/riscv/kernel/cacheinfo.c
++++ b/arch/riscv/kernel/cacheinfo.c
+@@ -31,7 +31,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
+ 		| CACHE_WRITE_ALLOCATE;
+ }
+ 
+-static int __init_cache_level(unsigned int cpu)
++int init_cache_level(unsigned int cpu)
+ {
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+ 	struct device_node *np = of_cpu_device_node_get(cpu);
+@@ -67,7 +67,7 @@ static int __init_cache_level(unsigned int cpu)
+ 	return 0;
+ }
+ 
+-static int __populate_cache_leaves(unsigned int cpu)
++int populate_cache_leaves(unsigned int cpu)
+ {
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+ 	struct cacheinfo *this_leaf = this_cpu_ci->info_list;
+@@ -99,6 +99,3 @@ static int __populate_cache_leaves(unsigned int cpu)
+ 
+ 	return 0;
+ }
+-
+-DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
+-DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)
+diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
+index 8508c2c0e2a3a..bdc33d0e3ffcb 100644
+--- a/arch/s390/net/bpf_jit_comp.c
++++ b/arch/s390/net/bpf_jit_comp.c
+@@ -561,10 +561,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT4(0xb9080000, dst_reg, src_reg);
+ 		break;
+ 	case BPF_ALU | BPF_ADD | BPF_K: /* dst = (u32) dst + (u32) imm */
+-		if (!imm)
+-			break;
+-		/* alfi %dst,imm */
+-		EMIT6_IMM(0xc20b0000, dst_reg, imm);
++		if (imm != 0) {
++			/* alfi %dst,imm */
++			EMIT6_IMM(0xc20b0000, dst_reg, imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_ADD | BPF_K: /* dst = dst + imm */
+@@ -586,10 +586,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT4(0xb9090000, dst_reg, src_reg);
+ 		break;
+ 	case BPF_ALU | BPF_SUB | BPF_K: /* dst = (u32) dst - (u32) imm */
+-		if (!imm)
+-			break;
+-		/* alfi %dst,-imm */
+-		EMIT6_IMM(0xc20b0000, dst_reg, -imm);
++		if (imm != 0) {
++			/* alfi %dst,-imm */
++			EMIT6_IMM(0xc20b0000, dst_reg, -imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_SUB | BPF_K: /* dst = dst - imm */
+@@ -616,10 +616,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT4(0xb90c0000, dst_reg, src_reg);
+ 		break;
+ 	case BPF_ALU | BPF_MUL | BPF_K: /* dst = (u32) dst * (u32) imm */
+-		if (imm == 1)
+-			break;
+-		/* msfi %r5,imm */
+-		EMIT6_IMM(0xc2010000, dst_reg, imm);
++		if (imm != 1) {
++			/* msfi %r5,imm */
++			EMIT6_IMM(0xc2010000, dst_reg, imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_MUL | BPF_K: /* dst = dst * imm */
+@@ -670,6 +670,8 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 			if (BPF_OP(insn->code) == BPF_MOD)
+ 				/* lhgi %dst,0 */
+ 				EMIT4_IMM(0xa7090000, dst_reg, 0);
++			else
++				EMIT_ZERO(dst_reg);
+ 			break;
+ 		}
+ 		/* lhi %w0,0 */
+@@ -762,10 +764,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT4(0xb9820000, dst_reg, src_reg);
+ 		break;
+ 	case BPF_ALU | BPF_XOR | BPF_K: /* dst = (u32) dst ^ (u32) imm */
+-		if (!imm)
+-			break;
+-		/* xilf %dst,imm */
+-		EMIT6_IMM(0xc0070000, dst_reg, imm);
++		if (imm != 0) {
++			/* xilf %dst,imm */
++			EMIT6_IMM(0xc0070000, dst_reg, imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_XOR | BPF_K: /* dst = dst ^ imm */
+@@ -786,10 +788,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT6_DISP_LH(0xeb000000, 0x000d, dst_reg, dst_reg, src_reg, 0);
+ 		break;
+ 	case BPF_ALU | BPF_LSH | BPF_K: /* dst = (u32) dst << (u32) imm */
+-		if (imm == 0)
+-			break;
+-		/* sll %dst,imm(%r0) */
+-		EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
++		if (imm != 0) {
++			/* sll %dst,imm(%r0) */
++			EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_LSH | BPF_K: /* dst = dst << imm */
+@@ -811,10 +813,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
+ 		EMIT6_DISP_LH(0xeb000000, 0x000c, dst_reg, dst_reg, src_reg, 0);
+ 		break;
+ 	case BPF_ALU | BPF_RSH | BPF_K: /* dst = (u32) dst >> (u32) imm */
+-		if (imm == 0)
+-			break;
+-		/* srl %dst,imm(%r0) */
+-		EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
++		if (imm != 0) {
++			/* srl %dst,imm(%r0) */
++			EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
++		}
+ 		EMIT_ZERO(dst_reg);
+ 		break;
+ 	case BPF_ALU64 | BPF_RSH | BPF_K: /* dst = dst >> imm */
+diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
+index 9d863e8f9b3f2..4a393023f5ac3 100644
+--- a/arch/x86/kernel/cpu/cacheinfo.c
++++ b/arch/x86/kernel/cpu/cacheinfo.c
+@@ -956,7 +956,7 @@ static void ci_leaf_init(struct cacheinfo *this_leaf,
+ 	this_leaf->priv = base->nb;
+ }
+ 
+-static int __init_cache_level(unsigned int cpu)
++int init_cache_level(unsigned int cpu)
+ {
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+ 
+@@ -985,7 +985,7 @@ static void get_cache_id(int cpu, struct _cpuid4_info_regs *id4_regs)
+ 	id4_regs->id = c->apicid >> index_msb;
+ }
+ 
+-static int __populate_cache_leaves(unsigned int cpu)
++int populate_cache_leaves(unsigned int cpu)
+ {
+ 	unsigned int idx, ret;
+ 	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+@@ -1004,6 +1004,3 @@ static int __populate_cache_leaves(unsigned int cpu)
+ 
+ 	return 0;
+ }
+-
+-DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)
+-DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)
+diff --git a/block/blk-throttle.c b/block/blk-throttle.c
+index caee658609d73..853b1770df367 100644
+--- a/block/blk-throttle.c
++++ b/block/blk-throttle.c
+@@ -2437,6 +2437,7 @@ int blk_throtl_init(struct request_queue *q)
+ void blk_throtl_exit(struct request_queue *q)
+ {
+ 	BUG_ON(!q->td);
++	del_timer_sync(&q->td->service_queue.pending_timer);
+ 	throtl_shutdown_wq(q);
+ 	blkcg_deactivate_policy(q, &blkcg_policy_throtl);
+ 	free_percpu(q->td->latency_buckets[READ]);
+diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
+index 07e1a286ee431..78b4f0f172ae5 100644
+--- a/drivers/crypto/talitos.c
++++ b/drivers/crypto/talitos.c
+@@ -853,7 +853,7 @@ static void talitos_unregister_rng(struct device *dev)
+  * HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
+  */
+ #define TALITOS_CRA_PRIORITY_AEAD_HSNA	(TALITOS_CRA_PRIORITY - 1)
+-#ifdef CONFIG_CRYPTO_DEV_TALITOS_SEC2
++#ifdef CONFIG_CRYPTO_DEV_TALITOS2
+ #define TALITOS_MAX_KEY_SIZE		(AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
+ #else
+ #define TALITOS_MAX_KEY_SIZE		(AES_MAX_KEY_SIZE + SHA256_BLOCK_SIZE)
+diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
+index 52dd4bd7c2098..e5f31af65aabf 100644
+--- a/drivers/dma/Kconfig
++++ b/drivers/dma/Kconfig
+@@ -266,7 +266,7 @@ config INTEL_IDMA64
+ 
+ config INTEL_IOATDMA
+ 	tristate "Intel I/OAT DMA support"
+-	depends on PCI && X86_64
++	depends on PCI && X86_64 && !UML
+ 	select DMA_ENGINE
+ 	select DMA_ENGINE_RAID
+ 	select DCA
+diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
+index 8d99c84361cbb..22ec10c71d813 100644
+--- a/drivers/dma/acpi-dma.c
++++ b/drivers/dma/acpi-dma.c
+@@ -72,10 +72,14 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp,
+ 
+ 	si = (const struct acpi_csrt_shared_info *)&grp[1];
+ 
+-	/* Match device by MMIO and IRQ */
++	/* Match device by MMIO */
+ 	if (si->mmio_base_low != lower_32_bits(mem) ||
+-	    si->mmio_base_high != upper_32_bits(mem) ||
+-	    si->gsi_interrupt != irq)
++	    si->mmio_base_high != upper_32_bits(mem))
++		return 0;
++
++	/* Match device by Linux vIRQ */
++	ret = acpi_register_gsi(NULL, si->gsi_interrupt, si->interrupt_mode, si->interrupt_polarity);
++	if (ret != irq)
+ 		return 0;
+ 
+ 	dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n",
+diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
+index 9e8ce56a83d8a..0fadf6a084943 100644
+--- a/drivers/dma/sprd-dma.c
++++ b/drivers/dma/sprd-dma.c
+@@ -1016,6 +1016,7 @@ static const struct of_device_id sprd_dma_match[] = {
+ 	{ .compatible = "sprd,sc9860-dma", },
+ 	{},
+ };
++MODULE_DEVICE_TABLE(of, sprd_dma_match);
+ 
+ static int __maybe_unused sprd_dma_runtime_suspend(struct device *dev)
+ {
+diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
+index d891ec05bc48b..3f38df6b51f2a 100644
+--- a/drivers/dma/xilinx/xilinx_dma.c
++++ b/drivers/dma/xilinx/xilinx_dma.c
+@@ -2674,7 +2674,7 @@ static int xilinx_dma_probe(struct platform_device *pdev)
+ 		xdev->ext_addr = false;
+ 
+ 	/* Set the dma mask bits */
+-	dma_set_mask(xdev->dev, DMA_BIT_MASK(addr_width));
++	dma_set_mask_and_coherent(xdev->dev, DMA_BIT_MASK(addr_width));
+ 
+ 	/* Initialize the DMA engine */
+ 	xdev->common.dev = &pdev->dev;
+diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
+index b0ece71aefdee..ce774579c89d1 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
++++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
+@@ -57,7 +57,7 @@ nvkm_control_mthd_pstate_info(struct nvkm_control *ctrl, void *data, u32 size)
+ 		args->v0.count = 0;
+ 		args->v0.ustate_ac = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
+ 		args->v0.ustate_dc = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE;
+-		args->v0.pwrsrc = -ENOSYS;
++		args->v0.pwrsrc = -ENODEV;
+ 		args->v0.pstate = NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN;
+ 	}
+ 
+diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
+index 29df6ab29e95c..2b60535a9c7bf 100644
+--- a/drivers/parisc/dino.c
++++ b/drivers/parisc/dino.c
+@@ -160,15 +160,6 @@ struct dino_device
+ 	(struct dino_device *)__pdata; })
+ 
+ 
+-/* Check if PCI device is behind a Card-mode Dino. */
+-static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
+-{
+-	struct dino_device *dino_dev;
+-
+-	dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
+-	return is_card_dino(&dino_dev->hba.dev->id);
+-}
+-
+ /*
+  * Dino Configuration Space Accessor Functions
+  */
+@@ -452,6 +443,15 @@ static void quirk_cirrus_cardbus(struct pci_dev *dev)
+ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6832, quirk_cirrus_cardbus );
+ 
+ #ifdef CONFIG_TULIP
++/* Check if PCI device is behind a Card-mode Dino. */
++static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
++{
++	struct dino_device *dino_dev;
++
++	dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
++	return is_card_dino(&dino_dev->hba.dev->id);
++}
++
+ static void pci_fixup_tulip(struct pci_dev *dev)
+ {
+ 	if (!pci_dev_is_behind_card_dino(dev))
+diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
+index 3b0a097ce2abd..6111e8848b076 100644
+--- a/drivers/pwm/pwm-img.c
++++ b/drivers/pwm/pwm-img.c
+@@ -332,23 +332,7 @@ err_pm_disable:
+ static int img_pwm_remove(struct platform_device *pdev)
+ {
+ 	struct img_pwm_chip *pwm_chip = platform_get_drvdata(pdev);
+-	u32 val;
+-	unsigned int i;
+-	int ret;
+-
+-	ret = pm_runtime_get_sync(&pdev->dev);
+-	if (ret < 0) {
+-		pm_runtime_put(&pdev->dev);
+-		return ret;
+-	}
+-
+-	for (i = 0; i < pwm_chip->chip.npwm; i++) {
+-		val = img_pwm_readl(pwm_chip, PWM_CTRL_CFG);
+-		val &= ~BIT(i);
+-		img_pwm_writel(pwm_chip, PWM_CTRL_CFG, val);
+-	}
+ 
+-	pm_runtime_put(&pdev->dev);
+ 	pm_runtime_disable(&pdev->dev);
+ 	if (!pm_runtime_status_suspended(&pdev->dev))
+ 		img_pwm_runtime_suspend(&pdev->dev);
+diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c
+index a9b3cff96aaca..ed8e9406b4af2 100644
+--- a/drivers/pwm/pwm-lpc32xx.c
++++ b/drivers/pwm/pwm-lpc32xx.c
+@@ -124,17 +124,17 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev)
+ 	lpc32xx->chip.npwm = 1;
+ 	lpc32xx->chip.base = -1;
+ 
++	/* If PWM is disabled, configure the output to the default value */
++	val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
++	val &= ~PWM_PIN_LEVEL;
++	writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
++
+ 	ret = pwmchip_add(&lpc32xx->chip);
+ 	if (ret < 0) {
+ 		dev_err(&pdev->dev, "failed to add PWM chip, error %d\n", ret);
+ 		return ret;
+ 	}
+ 
+-	/* When PWM is disable, configure the output to the default value */
+-	val = readl(lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+-	val &= ~PWM_PIN_LEVEL;
+-	writel(val, lpc32xx->base + (lpc32xx->chip.pwms[0].hwpwm << 2));
+-
+ 	platform_set_drvdata(pdev, lpc32xx);
+ 
+ 	return 0;
+diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
+index 48bcc853d57a7..cf34fb00c0547 100644
+--- a/drivers/pwm/pwm-rockchip.c
++++ b/drivers/pwm/pwm-rockchip.c
+@@ -392,20 +392,6 @@ static int rockchip_pwm_remove(struct platform_device *pdev)
+ {
+ 	struct rockchip_pwm_chip *pc = platform_get_drvdata(pdev);
+ 
+-	/*
+-	 * Disable the PWM clk before unpreparing it if the PWM device is still
+-	 * running. This should only happen when the last PWM user left it
+-	 * enabled, or when nobody requested a PWM that was previously enabled
+-	 * by the bootloader.
+-	 *
+-	 * FIXME: Maybe the core should disable all PWM devices in
+-	 * pwmchip_remove(). In this case we'd only have to call
+-	 * clk_unprepare() after pwmchip_remove().
+-	 *
+-	 */
+-	if (pwm_is_enabled(pc->chip.pwms))
+-		clk_disable(pc->clk);
+-
+ 	clk_unprepare(pc->pclk);
+ 	clk_unprepare(pc->clk);
+ 
+diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
+index 28e1f64134763..e92a140074221 100644
+--- a/drivers/pwm/pwm-stm32-lp.c
++++ b/drivers/pwm/pwm-stm32-lp.c
+@@ -224,8 +224,6 @@ static int stm32_pwm_lp_remove(struct platform_device *pdev)
+ {
+ 	struct stm32_pwm_lp *priv = platform_get_drvdata(pdev);
+ 
+-	pwm_disable(&priv->chip.pwms[0]);
+-
+ 	return pwmchip_remove(&priv->chip);
+ }
+ 
+diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
+index fc9399d9c0820..3376be6863cd8 100644
+--- a/drivers/thermal/samsung/exynos_tmu.c
++++ b/drivers/thermal/samsung/exynos_tmu.c
+@@ -1084,6 +1084,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
+ 		data->sclk = devm_clk_get(&pdev->dev, "tmu_sclk");
+ 		if (IS_ERR(data->sclk)) {
+ 			dev_err(&pdev->dev, "Failed to get sclk\n");
++			ret = PTR_ERR(data->sclk);
+ 			goto err_clk;
+ 		} else {
+ 			ret = clk_prepare_enable(data->sclk);
+diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
+index 918781c51f0ba..6443ba1e60eb4 100644
+--- a/fs/ceph/caps.c
++++ b/fs/ceph/caps.c
+@@ -1774,6 +1774,8 @@ static int __mark_caps_flushing(struct inode *inode,
+  * try to invalidate mapping pages without blocking.
+  */
+ static int try_nonblocking_invalidate(struct inode *inode)
++	__releases(ci->i_ceph_lock)
++	__acquires(ci->i_ceph_lock)
+ {
+ 	struct ceph_inode_info *ci = ceph_inode(inode);
+ 	u32 invalidating_gen = ci->i_rdcache_gen;
+diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
+index c6c8a33c81d5e..28a2db3b1787f 100644
+--- a/fs/nilfs2/sysfs.c
++++ b/fs/nilfs2/sysfs.c
+@@ -64,11 +64,9 @@ static const struct sysfs_ops nilfs_##name##_attr_ops = { \
+ #define NILFS_DEV_INT_GROUP_TYPE(name, parent_name) \
+ static void nilfs_##name##_attr_release(struct kobject *kobj) \
+ { \
+-	struct nilfs_sysfs_##parent_name##_subgroups *subgroups; \
+-	struct the_nilfs *nilfs = container_of(kobj->parent, \
+-						struct the_nilfs, \
+-						ns_##parent_name##_kobj); \
+-	subgroups = nilfs->ns_##parent_name##_subgroups; \
++	struct nilfs_sysfs_##parent_name##_subgroups *subgroups = container_of(kobj, \
++						struct nilfs_sysfs_##parent_name##_subgroups, \
++						sg_##name##_kobj); \
+ 	complete(&subgroups->sg_##name##_kobj_unregister); \
+ } \
+ static struct kobj_type nilfs_##name##_ktype = { \
+@@ -94,12 +92,12 @@ static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
+ 	err = kobject_init_and_add(kobj, &nilfs_##name##_ktype, parent, \
+ 				    #name); \
+ 	if (err) \
+-		return err; \
+-	return 0; \
++		kobject_put(kobj); \
++	return err; \
+ } \
+ static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
+ { \
+-	kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
++	kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
+ }
+ 
+ /************************************************************************
+@@ -210,14 +208,14 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root)
+ 	}
+ 
+ 	if (err)
+-		return err;
++		kobject_put(&root->snapshot_kobj);
+ 
+-	return 0;
++	return err;
+ }
+ 
+ void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root)
+ {
+-	kobject_del(&root->snapshot_kobj);
++	kobject_put(&root->snapshot_kobj);
+ }
+ 
+ /************************************************************************
+@@ -1000,7 +998,7 @@ int nilfs_sysfs_create_device_group(struct super_block *sb)
+ 	err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,
+ 				    "%s", sb->s_id);
+ 	if (err)
+-		goto free_dev_subgroups;
++		goto cleanup_dev_kobject;
+ 
+ 	err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);
+ 	if (err)
+@@ -1037,9 +1035,7 @@ delete_mounted_snapshots_group:
+ 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);
+ 
+ cleanup_dev_kobject:
+-	kobject_del(&nilfs->ns_dev_kobj);
+-
+-free_dev_subgroups:
++	kobject_put(&nilfs->ns_dev_kobj);
+ 	kfree(nilfs->ns_dev_subgroups);
+ 
+ failed_create_device_group:
+diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
+index 484785cdf96e2..931870768556c 100644
+--- a/fs/nilfs2/the_nilfs.c
++++ b/fs/nilfs2/the_nilfs.c
+@@ -797,14 +797,13 @@ nilfs_find_or_create_root(struct the_nilfs *nilfs, __u64 cno)
+ 
+ void nilfs_put_root(struct nilfs_root *root)
+ {
+-	if (refcount_dec_and_test(&root->count)) {
+-		struct the_nilfs *nilfs = root->nilfs;
++	struct the_nilfs *nilfs = root->nilfs;
+ 
+-		nilfs_sysfs_delete_snapshot_group(root);
+-
+-		spin_lock(&nilfs->ns_cptree_lock);
++	if (refcount_dec_and_lock(&root->count, &nilfs->ns_cptree_lock)) {
+ 		rb_erase(&root->rb_node, &nilfs->ns_cptree);
+ 		spin_unlock(&nilfs->ns_cptree_lock);
++
++		nilfs_sysfs_delete_snapshot_group(root);
+ 		iput(root->ifile);
+ 
+ 		kfree(root);
+diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h
+index 70e19bc6cc9fc..66654e6f96054 100644
+--- a/include/linux/cacheinfo.h
++++ b/include/linux/cacheinfo.h
+@@ -76,24 +76,6 @@ struct cpu_cacheinfo {
+ 	bool cpu_map_populated;
+ };
+ 
+-/*
+- * Helpers to make sure "func" is executed on the cpu whose cache
+- * attributes are being detected
+- */
+-#define DEFINE_SMP_CALL_CACHE_FUNCTION(func)			\
+-static inline void _##func(void *ret)				\
+-{								\
+-	int cpu = smp_processor_id();				\
+-	*(int *)ret = __##func(cpu);				\
+-}								\
+-								\
+-int func(unsigned int cpu)					\
+-{								\
+-	int ret;						\
+-	smp_call_function_single(cpu, _##func, &ret, true);	\
+-	return ret;						\
+-}
+-
+ struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu);
+ int init_cache_level(unsigned int cpu);
+ int populate_cache_leaves(unsigned int cpu);
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index 8dd4ebb58e973..827f70ce0b497 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -248,7 +248,8 @@ struct kvm_vcpu {
+ 	struct preempt_notifier preempt_notifier;
+ #endif
+ 	int cpu;
+-	int vcpu_id;
++	int vcpu_id; /* id given by userspace at creation */
++	int vcpu_idx; /* index in kvm->vcpus array */
+ 	int srcu_idx;
+ 	int mode;
+ 	u64 requests;
+@@ -551,13 +552,7 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
+ 
+ static inline int kvm_vcpu_get_idx(struct kvm_vcpu *vcpu)
+ {
+-	struct kvm_vcpu *tmp;
+-	int idx;
+-
+-	kvm_for_each_vcpu(idx, tmp, vcpu->kvm)
+-		if (tmp == vcpu)
+-			return idx;
+-	BUG();
++	return vcpu->vcpu_idx;
+ }
+ 
+ #define kvm_for_each_memslot(memslot, slots)	\
+diff --git a/kernel/profile.c b/kernel/profile.c
+index 9aa2a4445b0d2..efa58f63dc1bf 100644
+--- a/kernel/profile.c
++++ b/kernel/profile.c
+@@ -40,7 +40,8 @@ struct profile_hit {
+ #define NR_PROFILE_GRP		(NR_PROFILE_HIT/PROFILE_GRPSZ)
+ 
+ static atomic_t *prof_buffer;
+-static unsigned long prof_len, prof_shift;
++static unsigned long prof_len;
++static unsigned short int prof_shift;
+ 
+ int prof_on __read_mostly;
+ EXPORT_SYMBOL_GPL(prof_on);
+@@ -66,8 +67,8 @@ int profile_setup(char *str)
+ 		if (str[strlen(sleepstr)] == ',')
+ 			str += strlen(sleepstr) + 1;
+ 		if (get_option(&str, &par))
+-			prof_shift = par;
+-		pr_info("kernel sleep profiling enabled (shift: %ld)\n",
++			prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
++		pr_info("kernel sleep profiling enabled (shift: %u)\n",
+ 			prof_shift);
+ #else
+ 		pr_warn("kernel sleep profiling requires CONFIG_SCHEDSTATS\n");
+@@ -77,21 +78,21 @@ int profile_setup(char *str)
+ 		if (str[strlen(schedstr)] == ',')
+ 			str += strlen(schedstr) + 1;
+ 		if (get_option(&str, &par))
+-			prof_shift = par;
+-		pr_info("kernel schedule profiling enabled (shift: %ld)\n",
++			prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
++		pr_info("kernel schedule profiling enabled (shift: %u)\n",
+ 			prof_shift);
+ 	} else if (!strncmp(str, kvmstr, strlen(kvmstr))) {
+ 		prof_on = KVM_PROFILING;
+ 		if (str[strlen(kvmstr)] == ',')
+ 			str += strlen(kvmstr) + 1;
+ 		if (get_option(&str, &par))
+-			prof_shift = par;
+-		pr_info("kernel KVM profiling enabled (shift: %ld)\n",
++			prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
++		pr_info("kernel KVM profiling enabled (shift: %u)\n",
+ 			prof_shift);
+ 	} else if (get_option(&str, &par)) {
+-		prof_shift = par;
++		prof_shift = clamp(par, 0, BITS_PER_LONG - 1);
+ 		prof_on = CPU_PROFILING;
+-		pr_info("kernel profiling enabled (shift: %ld)\n",
++		pr_info("kernel profiling enabled (shift: %u)\n",
+ 			prof_shift);
+ 	}
+ 	return 1;
+@@ -467,7 +468,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
+ 	unsigned long p = *ppos;
+ 	ssize_t read;
+ 	char *pnt;
+-	unsigned int sample_step = 1 << prof_shift;
++	unsigned long sample_step = 1UL << prof_shift;
+ 
+ 	profile_flip_buffers();
+ 	if (p >= (prof_len+1)*sizeof(unsigned int))
+diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
+index 0b2c2ad69629c..72770a551c24d 100644
+--- a/kernel/rcu/tree_exp.h
++++ b/kernel/rcu/tree_exp.h
+@@ -613,7 +613,7 @@ static void rcu_exp_wait_wake(struct rcu_state *rsp, unsigned long s)
+ 			spin_unlock(&rnp->exp_lock);
+ 		}
+ 		smp_mb(); /* All above changes before wakeup. */
+-		wake_up_all(&rnp->exp_wq[rcu_seq_ctr(rsp->expedited_sequence) & 0x3]);
++		wake_up_all(&rnp->exp_wq[rcu_seq_ctr(s) & 0x3]);
+ 	}
+ 	trace_rcu_exp_grace_period(rsp->name, s, TPS("endwake"));
+ 	mutex_unlock(&rsp->exp_wake_mutex);
+diff --git a/kernel/sys.c b/kernel/sys.c
+index baf60a3aa34b7..d0663f8e6fb80 100644
+--- a/kernel/sys.c
++++ b/kernel/sys.c
+@@ -1931,13 +1931,6 @@ static int validate_prctl_map(struct prctl_mm_map *prctl_map)
+ 
+ 	error = -EINVAL;
+ 
+-	/*
+-	 * @brk should be after @end_data in traditional maps.
+-	 */
+-	if (prctl_map->start_brk <= prctl_map->end_data ||
+-	    prctl_map->brk <= prctl_map->end_data)
+-		goto out;
+-
+ 	/*
+ 	 * Neither we should allow to override limits if they set.
+ 	 */
+diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
+index 61eff45653f57..36dfea29d5fa0 100644
+--- a/kernel/trace/trace_kprobe.c
++++ b/kernel/trace/trace_kprobe.c
+@@ -836,8 +836,9 @@ static int create_trace_kprobe(int argc, char **argv)
+ 			pr_info("Failed to parse either an address or a symbol.\n");
+ 			return ret;
+ 		}
++		/* Defer the ENOENT case until register kprobe */
+ 		if (offset && is_return &&
+-		    !kprobe_on_func_entry(NULL, symbol, offset)) {
++		    kprobe_on_func_entry(NULL, symbol, offset) == -EINVAL) {
+ 			pr_info("Given offset is not valid for return probe.\n");
+ 			return -EINVAL;
+ 		}
+diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
+index 46a910acce3f0..6970759f296c5 100644
+--- a/lib/Kconfig.debug
++++ b/lib/Kconfig.debug
+@@ -853,7 +853,6 @@ config HARDLOCKUP_DETECTOR
+ 	depends on HAVE_HARDLOCKUP_DETECTOR_PERF || HAVE_HARDLOCKUP_DETECTOR_ARCH
+ 	select LOCKUP_DETECTOR
+ 	select HARDLOCKUP_DETECTOR_PERF if HAVE_HARDLOCKUP_DETECTOR_PERF
+-	select HARDLOCKUP_DETECTOR_ARCH if HAVE_HARDLOCKUP_DETECTOR_ARCH
+ 	help
+ 	  Say Y here to enable the kernel to act as a watchdog to detect
+ 	  hard lockups.
+diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
+index 849336211c79b..f7cd8e018bde0 100644
+--- a/net/9p/trans_virtio.c
++++ b/net/9p/trans_virtio.c
+@@ -620,7 +620,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
+ 	chan->vc_wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
+ 	if (!chan->vc_wq) {
+ 		err = -ENOMEM;
+-		goto out_free_tag;
++		goto out_remove_file;
+ 	}
+ 	init_waitqueue_head(chan->vc_wq);
+ 	chan->ring_bufs_avail = 1;
+@@ -638,6 +638,8 @@ static int p9_virtio_probe(struct virtio_device *vdev)
+ 
+ 	return 0;
+ 
++out_remove_file:
++	sysfs_remove_file(&vdev->dev.kobj, &dev_attr_mount_tag.attr);
+ out_free_tag:
+ 	kfree(tag);
+ out_free_vq:
+diff --git a/net/sctp/input.c b/net/sctp/input.c
+index 23c4f14bec256..8b7c07fc66d4b 100644
+--- a/net/sctp/input.c
++++ b/net/sctp/input.c
+@@ -1125,6 +1125,9 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
+ 	union sctp_addr_param *param;
+ 	union sctp_addr paddr;
+ 
++	if (ntohs(ch->length) < sizeof(*asconf) + sizeof(struct sctp_paramhdr))
++		return NULL;
++
+ 	/* Skip over the ADDIP header and find the Address parameter */
+ 	param = (union sctp_addr_param *)(asconf + 1);
+ 
+diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
+index a1ca070e36b0a..0789109c2d093 100644
+--- a/net/sctp/sm_make_chunk.c
++++ b/net/sctp/sm_make_chunk.c
+@@ -2172,9 +2172,16 @@ static enum sctp_ierror sctp_verify_param(struct net *net,
+ 		break;
+ 
+ 	case SCTP_PARAM_SET_PRIMARY:
+-		if (net->sctp.addip_enable)
+-			break;
+-		goto fallthrough;
++		if (!net->sctp.addip_enable)
++			goto fallthrough;
++
++		if (ntohs(param.p->length) < sizeof(struct sctp_addip_param) +
++					     sizeof(struct sctp_paramhdr)) {
++			sctp_process_inv_paramlength(asoc, param.p,
++						     chunk, err_chunk);
++			retval = SCTP_IERROR_ABORT;
++		}
++		break;
+ 
+ 	case SCTP_PARAM_HOST_NAME_ADDRESS:
+ 		/* Tell the peer, we won't support this param.  */
+diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
+index 1ec1e928cc09c..900c865b9e5ff 100644
+--- a/security/apparmor/apparmorfs.c
++++ b/security/apparmor/apparmorfs.c
+@@ -1960,9 +1960,6 @@ fail2:
+ 	return error;
+ }
+ 
+-
+-#define list_entry_is_head(pos, head, member) (&pos->member == (head))
+-
+ /**
+  * __next_ns - find the next namespace to list
+  * @root: root namespace to stop search at (NOT NULL)
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index a3d82113ae1ce..86ef740763b50 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -2751,7 +2751,8 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
+ 		goto unlock_vcpu_destroy;
+ 	}
+ 
+-	BUG_ON(kvm->vcpus[atomic_read(&kvm->online_vcpus)]);
++	vcpu->vcpu_idx = atomic_read(&kvm->online_vcpus);
++	BUG_ON(kvm->vcpus[vcpu->vcpu_idx]);
+ 
+ 	/* Now it's all set up, let userspace reach it */
+ 	kvm_get_kvm(kvm);
+@@ -2761,7 +2762,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
+ 		goto unlock_vcpu_destroy;
+ 	}
+ 
+-	kvm->vcpus[atomic_read(&kvm->online_vcpus)] = vcpu;
++	kvm->vcpus[vcpu->vcpu_idx] = vcpu;
+ 
+ 	/*
+ 	 * Pairs with smp_rmb() in kvm_get_vcpu.  Write kvm->vcpus