Merge tag 'v6.1.118'

This is the 6.1.118 stable release

* tag 'v6.1.118': (264 commits)
  Linux 6.1.118
  9p: fix slab cache name creation for real
  fs/ntfs3: Fix general protection fault in run_is_mapped_full
  platform/x86: x86-android-tablets: Fix use after free on platform_device_register() errors
  mm: krealloc: Fix MTE false alarm in __do_krealloc
  Bluetooth: L2CAP: Fix uaf in l2cap_connect
  ext4: fix timer use-after-free on failed mount
  drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer
  uprobe: avoid out-of-bounds memory access of fetching args
  uprobes: encapsulate preparation of uprobe args buffer
  io_uring: fix possible deadlock in io_register_iowq_max_workers()
  md/raid10: improve code of mrdev in raid10_sync_request
  net: usb: qmi_wwan: add Fibocom FG132 0x0112 composition
  LoongArch: Use "Exception return address" to comment ERA
  HID: lenovo: Add support for Thinkpad X1 Tablet Gen 3 keyboard
  HID: multitouch: Add quirk for Logitech Bolt receiver w/ Casa touchpad
  fs: Fix uninitialized value issue in from_kuid and from_kgid
  bpf: Fix mismatched RCU unlock flavour in bpf_out_neigh_v6
  vDPA/ifcvf: Fix pci_read_config_byte() return code handling
  nvme: make keep-alive synchronous operation
  ...

Change-Id: I444ffa78df5ea265e328ff158178c4e640030da8

Conflicts:
	arch/arm/boot/dts/rk3036.dtsi

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 1
-SUBLEVEL = 115
+SUBLEVEL = 118
 EXTRAVERSION =
 NAME = Curry Ramen
 

arch/alpha/include/asm/pgtable.h

@@ -313,8 +313,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)	((pte_t) { (x).val })
 
-#define kern_addr_valid(addr)	(1)
-
 #define pte_ERROR(e) \
 	printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))
 #define pmd_ERROR(e) \

arch/arc/include/asm/pgtable-bits-arcv2.h

@@ -120,8 +120,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
 #define __pte_to_swp_entry(pte)		((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
-#define kern_addr_valid(addr)	(1)
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 #include <asm/hugepage.h>
 #endif

arch/arm/boot/dts/rk3036-kylin.dts

@@ -367,8 +367,8 @@
 &i2c2 {
 	status = "okay";
 
-	rt5616: rt5616@1b {
-		compatible = "rt5616";
+	rt5616: audio-codec@1b {
+		compatible = "realtek,rt5616";
 		reg = <0x1b>;
 		clocks = <&cru SCLK_I2S_OUT>;
 		clock-names = "mclk";

arch/arm/boot/dts/rk3036.dtsi

@@ -619,12 +619,13 @@
 		};
 	};
 
-	acodec: acodec-ana@20030000 {
+	acodec: audio-codec@20030000 {
 		compatible = "rockchip,rk3036-codec";
 		reg = <0x20030000 0x4000>;
-		rockchip,grf = <&grf>;
 		clock-names = "acodec_pclk";
 		clocks = <&cru PCLK_ACODEC>;
+		rockchip,grf = <&grf>;
+		#sound-dai-cells = <0>;
 		status = "disabled";
 	};
 
@@ -634,7 +635,6 @@
 		interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
 		clocks =  <&cru ACLK_VIO>, <&cru PCLK_HDMI>;
 		clock-names = "aclk", "pclk";
-		rockchip,grf = <&grf>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&hdmi_ctl>;
 		#address-cells = <1>;
@@ -802,11 +802,11 @@
 	};
 
 	spi: spi@20074000 {
-		compatible = "rockchip,rockchip-spi";
+		compatible = "rockchip,rk3036-spi";
 		reg = <0x20074000 0x1000>;
 		interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru PCLK_SPI>, <&cru SCLK_SPI>;
-		clock-names = "apb-pclk","spi_pclk";
+		clocks = <&cru SCLK_SPI>, <&cru PCLK_SPI>;
+		clock-names = "spiclk", "apb_pclk";
 		dmas = <&pdma 8>, <&pdma 9>;
 		dma-names = "tx", "rx";
 		pinctrl-names = "default";

arch/arm/include/asm/pgtable-nommu.h

@@ -21,8 +21,6 @@
 #define pgd_none(pgd)		(0)
 #define pgd_bad(pgd)		(0)
 #define pgd_clear(pgdp)
-#define kern_addr_valid(addr)	(1)
-/* FIXME */
 /*
  * PMD_SHIFT determines the size of the area a second-level page table can map
  * PGDIR_SHIFT determines what a third-level page table entry can map

arch/arm/include/asm/pgtable.h

@@ -300,10 +300,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
  */
 #define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
 
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-/* FIXME: this is not correct */
-#define kern_addr_valid(addr)	(1)
-
 /*
  * We provide our own arch_get_unmapped_area to cope with VIPT caches.
  */

arch/arm64/Kconfig

@@ -2113,6 +2113,7 @@ config ARM64_SME
 	bool "ARM Scalable Matrix Extension support"
 	default y
 	depends on ARM64_SVE
+	depends on BROKEN
 	help
 	  The Scalable Matrix Extension (SME) is an extension to the AArch64
 	  execution state which utilises a substantial subset of the SVE

arch/arm64/boot/dts/freescale/imx8-ss-vpu.dtsi

@@ -15,7 +15,7 @@ vpu: vpu@2c000000 {
 	mu_m0: mailbox@2d000000 {
 		compatible = "fsl,imx6sx-mu";
 		reg = <0x2d000000 0x20000>;
-		interrupts = <GIC_SPI 469 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 472 IRQ_TYPE_LEVEL_HIGH>;
 		#mbox-cells = <2>;
 		power-domains = <&pd IMX_SC_R_VPU_MU_0>;
 		status = "disabled";
@@ -24,7 +24,7 @@ vpu: vpu@2c000000 {
 	mu1_m0: mailbox@2d020000 {
 		compatible = "fsl,imx6sx-mu";
 		reg = <0x2d020000 0x20000>;
-		interrupts = <GIC_SPI 470 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 473 IRQ_TYPE_LEVEL_HIGH>;
 		#mbox-cells = <2>;
 		power-domains = <&pd IMX_SC_R_VPU_MU_1>;
 		status = "disabled";

arch/arm64/boot/dts/freescale/imx8mp.dtsi

@@ -934,7 +934,7 @@
 				compatible = "fsl,imx8mp-usdhc", "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
 				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MP_CLK_DUMMY>,
+				clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
 					 <&clk IMX8MP_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MP_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -948,7 +948,7 @@
 				compatible = "fsl,imx8mp-usdhc", "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b50000 0x10000>;
 				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MP_CLK_DUMMY>,
+				clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
 					 <&clk IMX8MP_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MP_CLK_USDHC2_ROOT>;
 				clock-names = "ipg", "ahb", "per";
@@ -962,7 +962,7 @@
 				compatible = "fsl,imx8mp-usdhc", "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
 				reg = <0x30b60000 0x10000>;
 				interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clk IMX8MP_CLK_DUMMY>,
+				clocks = <&clk IMX8MP_CLK_IPG_ROOT>,
 					 <&clk IMX8MP_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MP_CLK_USDHC3_ROOT>;
 				clock-names = "ipg", "ahb", "per";

arch/arm64/boot/dts/freescale/imx8qxp-ss-vpu.dtsi

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR X11)
+/*
+ * Copyright 2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+&mu_m0 {
+	interrupts = <GIC_SPI 469 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&mu1_m0 {
+	interrupts = <GIC_SPI 470 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&vpu_core0 {
+	reg = <0x2d040000 0x10000>;
+};
+
+&vpu_core1 {
+	reg = <0x2d050000 0x10000>;
+};
+
+/delete-node/ &mu2_m0;
+/delete-node/ &vpu_core2;

arch/arm64/boot/dts/freescale/imx8qxp.dtsi

@@ -46,9 +46,8 @@
 		serial1 = &lpuart1;
 		serial2 = &lpuart2;
 		serial3 = &lpuart3;
-		vpu_core0 = &vpu_core0;
-		vpu_core1 = &vpu_core1;
-		vpu_core2 = &vpu_core2;
+		vpu-core0 = &vpu_core0;
+		vpu-core1 = &vpu_core1;
 	};
 
 	cpus {
@@ -316,6 +315,7 @@
 };
 
 #include "imx8qxp-ss-img.dtsi"
+#include "imx8qxp-ss-vpu.dtsi"
 #include "imx8qxp-ss-adma.dtsi"
 #include "imx8qxp-ss-conn.dtsi"
 #include "imx8qxp-ss-lsio.dtsi"

arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts

@@ -36,14 +36,14 @@
 
 		power_led: led-0 {
 			label = "firefly:red:power";
-			linux,default-trigger = "ir-power-click";
+			linux,default-trigger = "default-on";
 			default-state = "on";
 			gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
 		};
 
 		user_led: led-1 {
 			label = "firefly:blue:user";
-			linux,default-trigger = "ir-user-click";
+			linux,default-trigger = "rc-feedback";
 			default-state = "off";
 			gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_HIGH>;
 		};

arch/arm64/boot/dts/rockchip/rk3328.dtsi

@@ -1221,8 +1221,7 @@
 		compatible = "rockchip,rk3328-dw-hdmi";
 		reg = <0x0 0xff3c0000 0x0 0x20000>;
 		reg-io-width = <4>;
-		interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru PCLK_HDMI>,
 			 <&cru SCLK_HDMI_SFC>,
 			 <&cru SCLK_RTC32K>;

arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi

@@ -60,7 +60,6 @@
 			fan: fan@18 {
 				compatible = "ti,amc6821";
 				reg = <0x18>;
-				#cooling-cells = <2>;
 			};
 
 			rtc_twi: rtc@6f {

arch/arm64/boot/dts/rockchip/rk3399-eaidk-610.dts

@@ -541,7 +541,7 @@
 	status = "okay";
 
 	rt5651: audio-codec@1a {
-		compatible = "rockchip,rt5651";
+		compatible = "realtek,rt5651";
 		reg = <0x1a>;
 		clocks = <&cru SCLK_I2S_8CH_OUT>;
 		clock-names = "mclk";

arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi

@@ -575,7 +575,7 @@
 	bluetooth {
 		compatible = "brcm,bcm43438-bt";
 		clocks = <&rk808 1>;
-		clock-names = "ext_clock";
+		clock-names = "txco";
 		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
 		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
 		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;

arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator.dts

@@ -163,7 +163,7 @@
 	status = "okay";
 
 	rt5651: rt5651@1a {
-		compatible = "rockchip,rt5651";
+		compatible = "realtek,rt5651";
 		reg = <0x1a>;
 		clocks = <&cru SCLK_I2S_8CH_OUT>;
 		clock-names = "mclk";

arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi

@@ -685,8 +685,8 @@
 		compatible = "brcm,bcm43438-bt";
 		clocks = <&rk817 1>;
 		clock-names = "lpo";
-		device-wake-gpios = <&gpio0 RK_PC2 GPIO_ACTIVE_HIGH>;
-		host-wake-gpios = <&gpio0 RK_PC3 GPIO_ACTIVE_HIGH>;
+		device-wakeup-gpios = <&gpio0 RK_PC2 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio0 RK_PC3 GPIO_ACTIVE_HIGH>;
 		reset-gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_LOW>;
 		pinctrl-0 = <&bt_enable_h>, <&bt_host_wake_l>, <&bt_wake_h>;
 		pinctrl-names = "default";

arch/arm64/include/asm/pgtable.h

@@ -1027,8 +1027,6 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
  */
 #define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
 
-extern int kern_addr_valid(unsigned long addr);
-
 #ifdef CONFIG_ARM64_MTE
 
 #define __HAVE_ARCH_PREPARE_TO_SWAP

arch/arm64/mm/mmu.c

@@ -875,53 +875,6 @@ void __init paging_init(void)
 	create_idmap();
 }
 
-/*
- * Check whether a kernel address is valid (derived from arch/x86/).
- */
-int kern_addr_valid(unsigned long addr)
-{
-	pgd_t *pgdp;
-	p4d_t *p4dp;
-	pud_t *pudp, pud;
-	pmd_t *pmdp, pmd;
-	pte_t *ptep, pte;
-
-	addr = arch_kasan_reset_tag(addr);
-	if ((((long)addr) >> VA_BITS) != -1UL)
-		return 0;
-
-	pgdp = pgd_offset_k(addr);
-	if (pgd_none(READ_ONCE(*pgdp)))
-		return 0;
-
-	p4dp = p4d_offset(pgdp, addr);
-	if (p4d_none(READ_ONCE(*p4dp)))
-		return 0;
-
-	pudp = pud_offset(p4dp, addr);
-	pud = READ_ONCE(*pudp);
-	if (pud_none(pud))
-		return 0;
-
-	if (pud_sect(pud))
-		return pfn_valid(pud_pfn(pud));
-
-	pmdp = pmd_offset(pudp, addr);
-	pmd = READ_ONCE(*pmdp);
-	if (pmd_none(pmd))
-		return 0;
-
-	if (pmd_sect(pmd))
-		return pfn_valid(pmd_pfn(pmd));
-
-	ptep = pte_offset_kernel(pmdp, addr);
-	pte = READ_ONCE(*ptep);
-	if (pte_none(pte))
-		return 0;
-
-	return pfn_valid(pte_pfn(pte));
-}
-
 #ifdef CONFIG_MEMORY_HOTPLUG
 static void free_hotplug_page_range(struct page *page, size_t size,
 				    struct vmem_altmap *altmap)

arch/arm64/mm/pageattr.c

@@ -204,8 +204,7 @@ void __kernel_map_pages(struct page *page, int numpages, int enable)
 
 /*
  * This function is used to determine if a linear map page has been marked as
- * not-valid. Walk the page table and check the PTE_VALID bit. This is based
- * on kern_addr_valid(), which almost does what we need.
+ * not-valid. Walk the page table and check the PTE_VALID bit.
  *
  * Because this is only called on the kernel linear map,  p?d_sect() implies
  * p?d_present(). When debug_pagealloc is enabled, sections mappings are

arch/csky/include/asm/pgtable.h

@@ -249,9 +249,6 @@ extern void paging_init(void);
 void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
 		      pte_t *pte);
 
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define kern_addr_valid(addr)	(1)
-
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
 	remap_pfn_range(vma, vaddr, pfn, size, prot)
 

arch/hexagon/include/asm/page.h

@@ -131,13 +131,6 @@ static inline void clear_page(void *page)
 
 #define page_to_virt(page)	__va(page_to_phys(page))
 
-/*
- * For port to Hexagon Virtual Machine, MAYBE we check for attempts
- * to reference reserved HVM space, but in any case, the VM will be
- * protected.
- */
-#define kern_addr_valid(addr)   (1)
-
 #include <asm/mem-layout.h>
 #include <asm-generic/memory_model.h>
 /* XXX Todo: implement assembly-optimized version of getorder. */

arch/ia64/include/asm/pgtable.h

@@ -181,22 +181,6 @@ ia64_phys_addr_valid (unsigned long addr)
 	return (addr & (local_cpu_data->unimpl_pa_mask)) == 0;
 }
 
-/*
- * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
- * memory.  For the return value to be meaningful, ADDR must be >=
- * PAGE_OFFSET.  This operation can be relatively expensive (e.g.,
- * require a hash-, or multi-level tree-lookup or something of that
- * sort) but it guarantees to return TRUE only if accessing the page
- * at that address does not cause an error.  Note that there may be
- * addresses for which kern_addr_valid() returns FALSE even though an
- * access would not cause an error (e.g., this is typically true for
- * memory mapped I/O regions.
- *
- * XXX Need to implement this for IA-64.
- */
-#define kern_addr_valid(addr)	(1)
-
-
 /*
  * Now come the defines and routines to manage and access the three-level
  * page table.

arch/loongarch/include/asm/loongarch.h

@@ -325,7 +325,7 @@ static __always_inline void iocsr_write64(u64 val, u32 reg)
 #define  CSR_ESTAT_IS_WIDTH		15
 #define  CSR_ESTAT_IS			(_ULCAST_(0x7fff) << CSR_ESTAT_IS_SHIFT)
 
-#define LOONGARCH_CSR_ERA		0x6	/* ERA */
+#define LOONGARCH_CSR_ERA		0x6	/* Exception return address */
 
 #define LOONGARCH_CSR_BADV		0x7	/* Bad virtual address */
 

arch/loongarch/include/asm/pgtable.h

@@ -425,8 +425,6 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 	__update_tlb(vma, address, (pte_t *)pmdp);
 }
 
-#define kern_addr_valid(addr)	(1)
-
 static inline unsigned long pmd_pfn(pmd_t pmd)
 {
 	return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT;

arch/loongarch/kernel/vdso.c

@@ -40,6 +40,8 @@ static struct page *vdso_pages[] = { NULL };
 struct vdso_data *vdso_data = generic_vdso_data.data;
 struct vdso_pcpu_data *vdso_pdata = loongarch_vdso_data.vdata.pdata;
 
+static struct page *find_timens_vvar_page(struct vm_area_struct *vma);
+
 static int vdso_mremap(const struct vm_special_mapping *sm, struct vm_area_struct *new_vma)
 {
 	current->mm->context.vdso = (void *)(new_vma->vm_start);
@@ -139,13 +141,37 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
 
 	mmap_read_lock(mm);
 	for_each_vma(vmi, vma) {
+		unsigned long size = vma->vm_end - vma->vm_start;
+
 		if (vma_is_special_mapping(vma, &vdso_info.data_mapping))
-			zap_vma_pages(vma);
+			zap_page_range(vma, vma->vm_start, size);
 	}
 	mmap_read_unlock(mm);
 
 	return 0;
 }
+
+static struct page *find_timens_vvar_page(struct vm_area_struct *vma)
+{
+	if (likely(vma->vm_mm == current->mm))
+		return current->nsproxy->time_ns->vvar_page;
+
+	/*
+	 * VM_PFNMAP | VM_IO protect .fault() handler from being called
+	 * through interfaces like /proc/$pid/mem or
+	 * process_vm_{readv,writev}() as long as there's no .access()
+	 * in special_mapping_vmops.
+	 * For more details check_vma_flags() and __access_remote_vm()
+	 */
+	WARN(1, "vvar_page accessed remotely");
+
+	return NULL;
+}
+#else
+static struct page *find_timens_vvar_page(struct vm_area_struct *vma)
+{
+	return NULL;
+}
 #endif
 
 static unsigned long vdso_base(void)

arch/m68k/include/asm/pgtable_mm.h

@@ -145,8 +145,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
 
 #endif /* !__ASSEMBLY__ */
 
-#define kern_addr_valid(addr)	(1)
-
 /* MMU-specific headers */
 
 #ifdef CONFIG_SUN3

arch/m68k/include/asm/pgtable_no.h

@@ -20,7 +20,6 @@
 #define pgd_none(pgd)		(0)
 #define pgd_bad(pgd)		(0)
 #define pgd_clear(pgdp)
-#define kern_addr_valid(addr)	(1)
 #define	pmd_offset(a, b)	((void *)0)
 
 #define PAGE_NONE	__pgprot(0)

arch/microblaze/include/asm/pgtable.h

@@ -416,9 +416,6 @@ extern unsigned long iopa(unsigned long addr);
 #define	IOMAP_NOCACHE_NONSER	2
 #define	IOMAP_NO_COPYBACK	3
 
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define kern_addr_valid(addr)	(1)
-
 void do_page_fault(struct pt_regs *regs, unsigned long address,
 		   unsigned long error_code);
 

arch/mips/include/asm/pgtable.h

@@ -550,8 +550,6 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 	__update_tlb(vma, address, pte);
 }
 
-#define kern_addr_valid(addr)	(1)
-
 /*
  * Allow physical addresses to be fixed up to help 36-bit peripherals.
  */

arch/nios2/include/asm/pgtable.h

@@ -249,8 +249,6 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
 #define __swp_entry_to_pte(swp)	((pte_t) { (swp).val })
 #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
 
-#define kern_addr_valid(addr)		(1)
-
 extern void __init paging_init(void);
 extern void __init mmu_init(void);
 

arch/openrisc/include/asm/pgtable.h

@@ -395,8 +395,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
 #define __pte_to_swp_entry(pte)		((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
-#define kern_addr_valid(addr)           (1)
-
 typedef pte_t *pte_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/parisc/include/asm/pgtable.h

@@ -23,21 +23,6 @@
 #include <asm/processor.h>
 #include <asm/cache.h>
 
-/*
- * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
- * memory.  For the return value to be meaningful, ADDR must be >=
- * PAGE_OFFSET.  This operation can be relatively expensive (e.g.,
- * require a hash-, or multi-level tree-lookup or something of that
- * sort) but it guarantees to return TRUE only if accessing the page
- * at that address does not cause an error.  Note that there may be
- * addresses for which kern_addr_valid() returns FALSE even though an
- * access would not cause an error (e.g., this is typically true for
- * memory mapped I/O regions.
- *
- * XXX Need to implement this for parisc.
- */
-#define kern_addr_valid(addr)	(1)
-
 /* This is for the serialization of PxTLB broadcasts. At least on the N class
  * systems, only one PxTLB inter processor broadcast can be active at any one
  * time on the Merced bus. */

arch/powerpc/include/asm/pgtable.h

@@ -81,13 +81,6 @@ void poking_init(void);
 extern unsigned long ioremap_bot;
 extern const pgprot_t protection_map[16];
 
-/*
- * kern_addr_valid is intended to indicate whether an address is a valid
- * kernel address.  Most 32-bit archs define it as always true (like this)
- * but most 64-bit archs actually perform a test.  What should we do here?
- */
-#define kern_addr_valid(addr)	(1)
-
 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 #define pmd_large(pmd)		0
 #endif

arch/powerpc/platforms/powernv/opal-irqchip.c

@@ -282,6 +282,7 @@ int __init opal_event_init(void)
 				 name, NULL);
 		if (rc) {
 			pr_warn("Error %d requesting OPAL irq %d\n", rc, (int)r->start);
+			kfree(name);
 			continue;
 		}
 	}

arch/riscv/include/asm/pgtable.h

@@ -805,8 +805,6 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
 
 #endif /* !CONFIG_MMU */
 
-#define kern_addr_valid(addr)   (1) /* FIXME */
-
 extern char _start[];
 extern void *_dtb_early_va;
 extern uintptr_t _dtb_early_pa;

arch/riscv/kernel/asm-offsets.c

@@ -4,8 +4,6 @@
  * Copyright (C) 2017 SiFive
  */
 
-#define GENERATING_ASM_OFFSETS
-
 #include <linux/kbuild.h>
 #include <linux/mm.h>
 #include <linux/sched.h>

arch/riscv/kernel/cpu-hotplug.c

@@ -65,7 +65,7 @@ void __cpu_die(unsigned int cpu)
 	if (cpu_ops[cpu]->cpu_is_stopped)
 		ret = cpu_ops[cpu]->cpu_is_stopped(cpu);
 	if (ret)
-		pr_warn("CPU%d may not have stopped: %d\n", cpu, ret);
+		pr_warn("CPU%u may not have stopped: %d\n", cpu, ret);
 }
 
 /*

arch/riscv/kernel/efi-header.S

@@ -59,7 +59,7 @@ extra_header_fields:
 	.long	efi_header_end - _start			// SizeOfHeaders
 	.long	0					// CheckSum
 	.short	IMAGE_SUBSYSTEM_EFI_APPLICATION		// Subsystem
-	.short	0					// DllCharacteristics
+	.short	IMAGE_DLL_CHARACTERISTICS_NX_COMPAT	// DllCharacteristics
 	.quad	0					// SizeOfStackReserve
 	.quad	0					// SizeOfStackCommit
 	.quad	0					// SizeOfHeapReserve

arch/riscv/kernel/traps_misaligned.c

@@ -132,8 +132,6 @@
 #define REG_PTR(insn, pos, regs)	\
 	(ulong *)((ulong)(regs) + REG_OFFSET(insn, pos))
 
-#define GET_RM(insn)			(((insn) >> 12) & 7)
-
 #define GET_RS1(insn, regs)		(*REG_PTR(insn, SH_RS1, regs))
 #define GET_RS2(insn, regs)		(*REG_PTR(insn, SH_RS2, regs))
 #define GET_RS1S(insn, regs)		(*REG_PTR(RVC_RS1S(insn), 0, regs))

arch/riscv/kernel/vdso/Makefile

@@ -18,6 +18,7 @@ obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o
 
 ccflags-y := -fno-stack-protector
 ccflags-y += -DDISABLE_BRANCH_PROFILING
+ccflags-y += -fno-builtin
 
 ifneq ($(c-gettimeofday-y),)
   CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y)

arch/riscv/purgatory/entry.S

@@ -11,6 +11,8 @@
 .macro	size, sym:req
 	.size \sym, . - \sym
 .endm
+#include <asm/asm.h>
+#include <linux/linkage.h>
 
 .text
 
@@ -39,6 +41,7 @@ size purgatory_start
 
 .data
 
+.align LGREG
 .globl riscv_kernel_entry
 riscv_kernel_entry:
 	.quad	0

arch/s390/include/asm/io.h

@@ -16,8 +16,10 @@
 #include <asm/pci_io.h>
 
 #define xlate_dev_mem_ptr xlate_dev_mem_ptr
+#define kc_xlate_dev_mem_ptr xlate_dev_mem_ptr
 void *xlate_dev_mem_ptr(phys_addr_t phys);
 #define unxlate_dev_mem_ptr unxlate_dev_mem_ptr
+#define kc_unxlate_dev_mem_ptr unxlate_dev_mem_ptr
 void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
 
 #define IO_SPACE_LIMIT 0

arch/s390/include/asm/pgtable.h

@@ -1776,8 +1776,6 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
 #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)	((pte_t) { (x).val })
 
-#define kern_addr_valid(addr)   (1)
-
 extern int vmem_add_mapping(unsigned long start, unsigned long size);
 extern void vmem_remove_mapping(unsigned long start, unsigned long size);
 extern int __vmem_map_4k_page(unsigned long addr, unsigned long phys, pgprot_t prot, bool alloc);

arch/sh/include/asm/pgtable.h

@@ -92,8 +92,6 @@ static inline unsigned long phys_addr_mask(void)
 
 typedef pte_t *pte_addr_t;
 
-#define kern_addr_valid(addr)	(1)
-
 #define pte_pfn(x)		((unsigned long)(((x).pte_low >> PAGE_SHIFT)))
 
 struct vm_area_struct;

arch/sparc/include/asm/pgtable_32.h

@@ -368,12 +368,6 @@ __get_iospace (unsigned long addr)
 	}
 }
 
-extern unsigned long *sparc_valid_addr_bitmap;
-
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define kern_addr_valid(addr) \
-	(test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.

arch/sparc/mm/init_32.c

@@ -37,8 +37,7 @@
 
 #include "mm_32.h"
 
-unsigned long *sparc_valid_addr_bitmap;
-EXPORT_SYMBOL(sparc_valid_addr_bitmap);
+static unsigned long *sparc_valid_addr_bitmap;
 
 unsigned long phys_base;
 EXPORT_SYMBOL(phys_base);

arch/sparc/mm/init_64.c

@@ -1667,7 +1667,6 @@ bool kern_addr_valid(unsigned long addr)
 
 	return pfn_valid(pte_pfn(*pte));
 }
-EXPORT_SYMBOL(kern_addr_valid);
 
 static unsigned long __ref kernel_map_hugepud(unsigned long vstart,
 					      unsigned long vend,

arch/um/include/asm/pgtable.h

@@ -298,8 +298,6 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
 	((swp_entry_t) { pte_val(pte_mkuptodate(pte)) })
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
-#define kern_addr_valid(addr) (1)
-
 /* Clear a kernel PTE and flush it from the TLB */
 #define kpte_clear_flush(ptep, vaddr)		\
 do {						\

arch/x86/include/asm/nospec-branch.h

@@ -211,7 +211,16 @@
  */
 .macro CLEAR_CPU_BUFFERS
 	ALTERNATIVE "jmp .Lskip_verw_\@", "", X86_FEATURE_CLEAR_CPU_BUF
-	verw _ASM_RIP(mds_verw_sel)
+#ifdef CONFIG_X86_64
+	verw mds_verw_sel(%rip)
+#else
+	/*
+	 * In 32bit mode, the memory operand must be a %cs reference. The data
+	 * segments may not be usable (vm86 mode), and the stack segment may not
+	 * be flat (ESPFIX32).
+	 */
+	verw %cs:mds_verw_sel
+#endif
 .Lskip_verw_\@:
 .endm
 

arch/x86/include/asm/pgtable_32.h

@@ -47,15 +47,6 @@ do {						\
 
 #endif /* !__ASSEMBLY__ */
 
-/*
- * kern_addr_valid() is (1) for FLATMEM and (0) for SPARSEMEM
- */
-#ifdef CONFIG_FLATMEM
-#define kern_addr_valid(addr)	(1)
-#else
-#define kern_addr_valid(kaddr)	(0)
-#endif
-
 /*
  * This is used to calculate the .brk reservation for initial pagetables.
  * Enough space is reserved to allocate pagetables sufficient to cover all

arch/x86/include/asm/pgtable_64.h

@@ -240,7 +240,6 @@ static inline void native_pgd_clear(pgd_t *pgd)
 #define __swp_entry_to_pte(x)		(__pte((x).val))
 #define __swp_entry_to_pmd(x)		(__pmd((x).val))
 
-extern int kern_addr_valid(unsigned long addr);
 extern void cleanup_highmap(void);
 
 #define HAVE_ARCH_UNMAPPED_AREA

arch/x86/mm/init_64.c

@@ -1420,47 +1420,6 @@ void mark_rodata_ro(void)
 	debug_checkwx();
 }
 
-int kern_addr_valid(unsigned long addr)
-{
-	unsigned long above = ((long)addr) >> __VIRTUAL_MASK_SHIFT;
-	pgd_t *pgd;
-	p4d_t *p4d;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *pte;
-
-	if (above != 0 && above != -1UL)
-		return 0;
-
-	pgd = pgd_offset_k(addr);
-	if (pgd_none(*pgd))
-		return 0;
-
-	p4d = p4d_offset(pgd, addr);
-	if (!p4d_present(*p4d))
-		return 0;
-
-	pud = pud_offset(p4d, addr);
-	if (!pud_present(*pud))
-		return 0;
-
-	if (pud_large(*pud))
-		return pfn_valid(pud_pfn(*pud));
-
-	pmd = pmd_offset(pud, addr);
-	if (!pmd_present(*pmd))
-		return 0;
-
-	if (pmd_large(*pmd))
-		return pfn_valid(pmd_pfn(*pmd));
-
-	pte = pte_offset_kernel(pmd, addr);
-	if (pte_none(*pte))
-		return 0;
-
-	return pfn_valid(pte_pfn(*pte));
-}
-
 /*
  * Block size is the minimum amount of memory which can be hotplugged or
  * hotremoved. It must be power of two and must be equal or larger than

arch/xtensa/include/asm/pgtable.h

@@ -386,8 +386,6 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 
 #else
 
-#define kern_addr_valid(addr)	(1)
-
 extern  void update_mmu_cache(struct vm_area_struct * vma,
 			      unsigned long address, pte_t *ptep);
 

block/blk-map.c

@@ -597,9 +597,7 @@ static int blk_rq_map_user_bvec(struct request *rq, const struct iov_iter *iter)
 		if (nsegs >= nr_segs || bytes > UINT_MAX - bv->bv_len)
 			goto put_bio;
 		if (bytes + bv->bv_len > nr_iter)
-			goto put_bio;
-		if (bv->bv_offset + bv->bv_len > PAGE_SIZE)
-			goto put_bio;
+			break;
 
 		nsegs++;
 		bytes += bv->bv_len;

block/elevator.c

@@ -624,7 +624,7 @@ out:
 static inline bool elv_support_iosched(struct request_queue *q)
 {
 	if (!queue_is_mq(q) ||
-	    (q->tag_set && (q->tag_set->flags & BLK_MQ_F_NO_SCHED)))
+	    (q->tag_set->flags & BLK_MQ_F_NO_SCHED))
 		return false;
 	return true;
 }
@@ -635,7 +635,7 @@ static inline bool elv_support_iosched(struct request_queue *q)
  */
 static struct elevator_type *elevator_get_default(struct request_queue *q)
 {
-	if (q->tag_set && q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT)
+	if (q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT)
 		return NULL;
 
 	if (q->nr_hw_queues != 1 &&

crypto/algapi.c

@@ -341,7 +341,7 @@ found:
 	q->cra_flags |= CRYPTO_ALG_DEAD;
 	alg = test->adult;
 
-	if (list_empty(&alg->cra_list))
+	if (crypto_is_dead(alg))
 		goto complete;
 
 	if (err == -ECANCELED)

drivers/acpi/cppc_acpi.c

@@ -857,7 +857,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
 
 	/* Store CPU Logical ID */
 	cpc_ptr->cpu_id = pr->id;
-	spin_lock_init(&cpc_ptr->rmw_lock);
+	raw_spin_lock_init(&cpc_ptr->rmw_lock);
 
 	/* Parse PSD data for this CPU */
 	ret = acpi_get_psd(cpc_ptr, handle);
@@ -1077,6 +1077,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
 	int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
 	struct cpc_reg *reg = &reg_res->cpc_entry.reg;
 	struct cpc_desc *cpc_desc;
+	unsigned long flags;
 
 	size = GET_BIT_WIDTH(reg);
 
@@ -1116,7 +1117,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
 			return -ENODEV;
 		}
 
-		spin_lock(&cpc_desc->rmw_lock);
+		raw_spin_lock_irqsave(&cpc_desc->rmw_lock, flags);
 		switch (size) {
 		case 8:
 			prev_val = readb_relaxed(vaddr);
@@ -1131,7 +1132,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
 			prev_val = readq_relaxed(vaddr);
 			break;
 		default:
-			spin_unlock(&cpc_desc->rmw_lock);
+			raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags);
 			return -EFAULT;
 		}
 		val = MASK_VAL_WRITE(reg, prev_val, val);
@@ -1164,7 +1165,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
 	}
 
 	if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
-		spin_unlock(&cpc_desc->rmw_lock);
+		raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags);
 
 	return ret_val;
 }

drivers/base/core.c

@@ -25,7 +25,6 @@
 #include <linux/mutex.h>
 #include <linux/pm_runtime.h>
 #include <linux/netdevice.h>
-#include <linux/rcupdate.h>
 #include <linux/sched/signal.h>
 #include <linux/sched/mm.h>
 #include <linux/swiotlb.h>
@@ -2559,7 +2558,6 @@ static const char *dev_uevent_name(struct kobject *kobj)
 static int dev_uevent(struct kobject *kobj, struct kobj_uevent_env *env)
 {
 	struct device *dev = kobj_to_dev(kobj);
-	struct device_driver *driver;
 	int retval = 0;
 
 	/* add device node properties if present */
@@ -2588,12 +2586,8 @@ static int dev_uevent(struct kobject *kobj, struct kobj_uevent_env *env)
 	if (dev->type && dev->type->name)
 		add_uevent_var(env, "DEVTYPE=%s", dev->type->name);
 
-	/* Synchronize with module_remove_driver() */
-	rcu_read_lock();
-	driver = READ_ONCE(dev->driver);
-	if (driver)
-		add_uevent_var(env, "DRIVER=%s", driver->name);
-	rcu_read_unlock();
+	if (dev->driver)
+		add_uevent_var(env, "DRIVER=%s", dev->driver->name);
 
 	/* Add common DT information about the device */
 	of_device_uevent(dev, env);
@@ -2663,8 +2657,11 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr,
 	if (!env)
 		return -ENOMEM;
 
+	/* Synchronize with really_probe() */
+	device_lock(dev);
 	/* let the kset specific function add its keys */
 	retval = kset->uevent_ops->uevent(&dev->kobj, env);
+	device_unlock(dev);
 	if (retval)
 		goto out;
 

drivers/base/module.c

@@ -7,7 +7,6 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 #include <linux/string.h>
-#include <linux/rcupdate.h>
 #include "base.h"
 
 static char *make_driver_name(struct device_driver *drv)
@@ -78,9 +77,6 @@ void module_remove_driver(struct device_driver *drv)
 	if (!drv)
 		return;
 
-	/* Synchronize with dev_uevent() */
-	synchronize_rcu();
-
 	sysfs_remove_link(&drv->p->kobj, "module");
 
 	if (drv->owner)

drivers/cpufreq/mediatek-cpufreq-hw.c

@@ -162,6 +162,7 @@ static int mtk_cpu_resources_init(struct platform_device *pdev,
 	struct mtk_cpufreq_data *data;
 	struct device *dev = &pdev->dev;
 	struct resource *res;
+	struct of_phandle_args args;
 	void __iomem *base;
 	int ret, i;
 	int index;
@@ -170,11 +171,14 @@ static int mtk_cpu_resources_init(struct platform_device *pdev,
 	if (!data)
 		return -ENOMEM;
 
-	index = of_perf_domain_get_sharing_cpumask(policy->cpu, "performance-domains",
-						   "#performance-domain-cells",
-						   policy->cpus);
-	if (index < 0)
-		return index;
+	ret = of_perf_domain_get_sharing_cpumask(policy->cpu, "performance-domains",
+						 "#performance-domain-cells",
+						 policy->cpus, &args);
+	if (ret < 0)
+		return ret;
+
+	index = args.args[0];
+	of_node_put(args.np);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, index);
 	if (!res) {

drivers/crypto/marvell/cesa/hash.c

@@ -947,7 +947,7 @@ struct ahash_alg mv_md5_alg = {
 		.base = {
 			.cra_name = "md5",
 			.cra_driver_name = "mv-md5",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,
@@ -1018,7 +1018,7 @@ struct ahash_alg mv_sha1_alg = {
 		.base = {
 			.cra_name = "sha1",
 			.cra_driver_name = "mv-sha1",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,
@@ -1092,7 +1092,7 @@ struct ahash_alg mv_sha256_alg = {
 		.base = {
 			.cra_name = "sha256",
 			.cra_driver_name = "mv-sha256",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,
@@ -1327,7 +1327,7 @@ struct ahash_alg mv_ahmac_md5_alg = {
 		.base = {
 			.cra_name = "hmac(md5)",
 			.cra_driver_name = "mv-hmac-md5",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,
@@ -1398,7 +1398,7 @@ struct ahash_alg mv_ahmac_sha1_alg = {
 		.base = {
 			.cra_name = "hmac(sha1)",
 			.cra_driver_name = "mv-hmac-sha1",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,
@@ -1469,7 +1469,7 @@ struct ahash_alg mv_ahmac_sha256_alg = {
 		.base = {
 			.cra_name = "hmac(sha256)",
 			.cra_driver_name = "mv-hmac-sha256",
-			.cra_priority = 300,
+			.cra_priority = 0,
 			.cra_flags = CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_ALLOCATES_MEMORY |
 				     CRYPTO_ALG_KERN_DRIVER_ONLY,

drivers/cxl/acpi.c

@@ -509,7 +509,8 @@ static int cxl_acpi_probe(struct platform_device *pdev)
 		return rc;
 
 	/* In case PCI is scanned before ACPI re-trigger memdev attach */
-	return cxl_bus_rescan();
+	cxl_bus_rescan();
+	return 0;
 }
 
 static const struct acpi_device_id cxl_acpi_ids[] = {
@@ -533,7 +534,19 @@ static struct platform_driver cxl_acpi_driver = {
 	.id_table = cxl_test_ids,
 };
 
-module_platform_driver(cxl_acpi_driver);
+static int __init cxl_acpi_init(void)
+{
+	return platform_driver_register(&cxl_acpi_driver);
+}
+
+static void __exit cxl_acpi_exit(void)
+{
+	platform_driver_unregister(&cxl_acpi_driver);
+	cxl_bus_drain();
+}
+
+module_init(cxl_acpi_init);
+module_exit(cxl_acpi_exit);
 MODULE_LICENSE("GPL v2");
 MODULE_IMPORT_NS(CXL);
 MODULE_IMPORT_NS(ACPI);

drivers/cxl/core/port.c

@@ -1786,12 +1786,34 @@ static void cxl_bus_remove(struct device *dev)
 
 static struct workqueue_struct *cxl_bus_wq;
 
-int cxl_bus_rescan(void)
+static int cxl_rescan_attach(struct device *dev, void *data)
 {
-	return bus_rescan_devices(&cxl_bus_type);
+	int rc = device_attach(dev);
+
+	dev_vdbg(dev, "rescan: %s\n", rc ? "attach" : "detached");
+
+	return 0;
+}
+
+static void cxl_bus_rescan_queue(struct work_struct *w)
+{
+	bus_for_each_dev(&cxl_bus_type, NULL, NULL, cxl_rescan_attach);
+}
+
+void cxl_bus_rescan(void)
+{
+	static DECLARE_WORK(rescan_work, cxl_bus_rescan_queue);
+
+	queue_work(cxl_bus_wq, &rescan_work);
 }
 EXPORT_SYMBOL_NS_GPL(cxl_bus_rescan, CXL);
 
+void cxl_bus_drain(void)
+{
+	drain_workqueue(cxl_bus_wq);
+}
+EXPORT_SYMBOL_NS_GPL(cxl_bus_drain, CXL);
+
 bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd)
 {
 	return queue_work(cxl_bus_wq, &cxlmd->detach_work);

drivers/cxl/cxl.h

@@ -564,7 +564,8 @@ struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport,
 				   struct cxl_dport *parent_dport);
 struct cxl_port *find_cxl_root(struct device *dev);
 int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd);
-int cxl_bus_rescan(void);
+void cxl_bus_rescan(void);
+void cxl_bus_drain(void);
 struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd,
 				   struct cxl_dport **dport);
 bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd);

drivers/firmware/arm_sdei.c

@@ -763,7 +763,7 @@ static int sdei_device_freeze(struct device *dev)
 	int err;
 
 	/* unregister private events */
-	cpuhp_remove_state(sdei_entry_point);
+	cpuhp_remove_state(sdei_hp_state);
 
 	err = sdei_unregister_shared();
 	if (err)

drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c

@@ -132,8 +132,8 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif,
 				      &buffer);
 	obj = (union acpi_object *)buffer.pointer;
 
-	/* Fail if calling the method fails and ATIF is supported */
-	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
+	/* Fail if calling the method fails */
+	if (ACPI_FAILURE(status)) {
 		DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n",
 				 acpi_format_exception(status));
 		kfree(obj);

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -344,15 +344,15 @@ allocate_mem_reserve_bo_failed:
 	return r;
 }
 
-void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj)
+void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void **mem_obj)
 {
-	struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj;
+	struct amdgpu_bo **bo = (struct amdgpu_bo **) mem_obj;
 
-	amdgpu_bo_reserve(bo, true);
-	amdgpu_bo_kunmap(bo);
-	amdgpu_bo_unpin(bo);
-	amdgpu_bo_unreserve(bo);
-	amdgpu_bo_unref(&(bo));
+	amdgpu_bo_reserve(*bo, true);
+	amdgpu_bo_kunmap(*bo);
+	amdgpu_bo_unpin(*bo);
+	amdgpu_bo_unreserve(*bo);
+	amdgpu_bo_unref(bo);
 }
 
 int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size,

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h

@@ -210,7 +210,7 @@ int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
 int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size,
 				void **mem_obj, uint64_t *gpu_addr,
 				void **cpu_ptr, bool mqd_gfx9);
-void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj);
+void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void **mem_obj);
 int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size,
 				void **mem_obj);
 void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj);

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

@@ -419,7 +419,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
 	ssize_t result = 0;
 	int r;
 
-	if (size & 0x3 || *pos & 0x3)
+	if (size > 4096 || size & 0x3 || *pos & 0x3)
 		return -EINVAL;
 
 	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
@@ -2009,11 +2009,11 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
 	amdgpu_securedisplay_debugfs_init(adev);
 	amdgpu_fw_attestation_debugfs_init(adev);
 
-	debugfs_create_file("amdgpu_evict_vram", 0444, root, adev,
+	debugfs_create_file("amdgpu_evict_vram", 0400, root, adev,
 			    &amdgpu_evict_vram_fops);
-	debugfs_create_file("amdgpu_evict_gtt", 0444, root, adev,
+	debugfs_create_file("amdgpu_evict_gtt", 0400, root, adev,
 			    &amdgpu_evict_gtt_fops);
-	debugfs_create_file("amdgpu_test_ib", 0444, root, adev,
+	debugfs_create_file("amdgpu_test_ib", 0400, root, adev,
 			    &amdgpu_debugfs_test_ib_fops);
 	debugfs_create_file("amdgpu_vm_info", 0444, root, adev,
 			    &amdgpu_debugfs_vm_info_fops);

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

@@ -408,7 +408,7 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
 
 err_create_queue:
 	if (wptr_bo)
-		amdgpu_amdkfd_free_gtt_mem(dev->adev, wptr_bo);
+		amdgpu_amdkfd_free_gtt_mem(dev->adev, (void **)&wptr_bo);
 err_wptr_map_gart:
 err_alloc_doorbells:
 err_bind_process:

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -673,7 +673,7 @@ kfd_interrupt_error:
 kfd_doorbell_error:
 	kfd_gtt_sa_fini(kfd);
 kfd_gtt_sa_init_error:
-	amdgpu_amdkfd_free_gtt_mem(kfd->adev, kfd->gtt_mem);
+	amdgpu_amdkfd_free_gtt_mem(kfd->adev, &kfd->gtt_mem);
 alloc_gtt_mem_failure:
 	if (kfd->gws)
 		amdgpu_amdkfd_free_gws(kfd->adev, kfd->gws);
@@ -693,7 +693,7 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
 		kfd_doorbell_fini(kfd);
 		ida_destroy(&kfd->doorbell_ida);
 		kfd_gtt_sa_fini(kfd);
-		amdgpu_amdkfd_free_gtt_mem(kfd->adev, kfd->gtt_mem);
+		amdgpu_amdkfd_free_gtt_mem(kfd->adev, &kfd->gtt_mem);
 		if (kfd->gws)
 			amdgpu_amdkfd_free_gws(kfd->adev, kfd->gws);
 	}

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

@@ -2392,7 +2392,7 @@ static void deallocate_hiq_sdma_mqd(struct kfd_dev *dev,
 {
 	WARN(!mqd, "No hiq sdma mqd trunk to free");
 
-	amdgpu_amdkfd_free_gtt_mem(dev->adev, mqd->gtt_mem);
+	amdgpu_amdkfd_free_gtt_mem(dev->adev, &mqd->gtt_mem);
 }
 
 void device_queue_manager_uninit(struct device_queue_manager *dqm)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c

@@ -204,7 +204,7 @@ void kfd_free_mqd_cp(struct mqd_manager *mm, void *mqd,
 	      struct kfd_mem_obj *mqd_mem_obj)
 {
 	if (mqd_mem_obj->gtt_mem) {
-		amdgpu_amdkfd_free_gtt_mem(mm->dev->adev, mqd_mem_obj->gtt_mem);
+		amdgpu_amdkfd_free_gtt_mem(mm->dev->adev, &mqd_mem_obj->gtt_mem);
 		kfree(mqd_mem_obj);
 	} else {
 		kfd_gtt_sa_free(mm->dev, mqd_mem_obj);

drivers/gpu/drm/amd/amdkfd/kfd_process.c

@@ -1052,7 +1052,7 @@ static void kfd_process_destroy_pdds(struct kfd_process *p)
 
 		if (pdd->dev->shared_resources.enable_mes)
 			amdgpu_amdkfd_free_gtt_mem(pdd->dev->adev,
-						   pdd->proc_ctx_bo);
+						   &pdd->proc_ctx_bo);
 		/*
 		 * before destroying pdd, make sure to report availability
 		 * for auto suspend

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

@@ -441,9 +441,9 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid)
 
 		if (dev->shared_resources.enable_mes) {
 			amdgpu_amdkfd_free_gtt_mem(dev->adev,
-						   pqn->q->gang_ctx_bo);
+						   &pqn->q->gang_ctx_bo);
 			if (pqn->q->wptr_bo)
-				amdgpu_amdkfd_free_gtt_mem(dev->adev, pqn->q->wptr_bo);
+				amdgpu_amdkfd_free_gtt_mem(dev->adev, (void **)&pqn->q->wptr_bo);
 
 		}
 		uninit_queue(pqn->q);

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -2990,6 +2990,10 @@ static int dm_resume(void *handle)
 	/* Do mst topology probing after resuming cached state*/
 	drm_connector_list_iter_begin(ddev, &iter);
 	drm_for_each_connector_iter(connector, &iter) {
+
+		if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
+			continue;
+
 		aconnector = to_amdgpu_dm_connector(connector);
 		if (aconnector->dc_link->type != dc_connection_mst_branch ||
 		    aconnector->mst_port)
@@ -5722,6 +5726,9 @@ get_highest_refresh_rate_mode(struct amdgpu_dm_connector *aconnector,
 		&aconnector->base.probed_modes :
 		&aconnector->base.modes;
 
+	if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
+		return NULL;
+
 	if (aconnector->freesync_vid_base.clock != 0)
 		return &aconnector->freesync_vid_base;
 
@@ -8242,6 +8249,9 @@ static void amdgpu_dm_commit_audio(struct drm_device *dev,
 			continue;
 
 	notify:
+		if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
+			continue;
+
 		aconnector = to_amdgpu_dm_connector(connector);
 
 		mutex_lock(&adev->dm.audio_lock);

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c

@@ -762,6 +762,9 @@ bool dcn30_apply_idle_power_optimizations(struct dc *dc, bool enable)
 			stream = dc->current_state->streams[0];
 			plane = (stream ? dc->current_state->stream_status[0].plane_states[0] : NULL);
 
+			if (!stream || !plane)
+				return false;
+
 			if (stream && plane) {
 				cursor_cache_enable = stream->cursor_position.enable &&
 						plane->address.grph.cursor_cache_addr.quad_part;

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -59,7 +59,7 @@
 #define VMWGFX_DRIVER_MINOR 20
 #define VMWGFX_DRIVER_PATCHLEVEL 0
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
-#define VMWGFX_MAX_DISPLAYS 16
+#define VMWGFX_NUM_DISPLAY_UNITS 8
 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
 
 #define VMWGFX_MIN_INITIAL_WIDTH 1280
@@ -79,7 +79,7 @@
 #define VMWGFX_NUM_GB_CONTEXT 256
 #define VMWGFX_NUM_GB_SHADER 20000
 #define VMWGFX_NUM_GB_SURFACE 32768
-#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
+#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_NUM_DISPLAY_UNITS
 #define VMWGFX_NUM_DXCONTEXT 256
 #define VMWGFX_NUM_DXQUERY 512
 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

@@ -2261,7 +2261,7 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_vmw_update_layout_arg *arg =
 		(struct drm_vmw_update_layout_arg *)data;
-	void __user *user_rects;
+	const void __user *user_rects;
 	struct drm_vmw_rect *rects;
 	struct drm_rect *drm_rects;
 	unsigned rects_size;
@@ -2273,6 +2273,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 					    VMWGFX_MIN_INITIAL_HEIGHT};
 		vmw_du_update_layout(dev_priv, 1, &def_rect);
 		return 0;
+	} else if (arg->num_outputs > VMWGFX_NUM_DISPLAY_UNITS) {
+		return -E2BIG;
 	}
 
 	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);

drivers/gpu/drm/vmwgfx/vmwgfx_kms.h

@@ -199,9 +199,6 @@ struct vmw_kms_dirty {
 	s32 unit_y2;
 };
 
-#define VMWGFX_NUM_DISPLAY_UNITS 8
-
-
 #define vmw_framebuffer_to_vfb(x) \
 	container_of(x, struct vmw_framebuffer, base)
 #define vmw_framebuffer_to_vfbs(x) \

drivers/hid/hid-ids.h

@@ -859,6 +859,7 @@
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1	0xc539
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1	0xc53f
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY	0xc53a
+#define USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER	0xc548
 #define USB_DEVICE_ID_SPACETRAVELLER	0xc623
 #define USB_DEVICE_ID_SPACENAVIGATOR	0xc626
 #define USB_DEVICE_ID_DINOVO_DESKTOP	0xc704

drivers/hid/hid-lenovo.c

@@ -473,6 +473,7 @@ static int lenovo_input_mapping(struct hid_device *hdev,
 		return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
 							       usage, bit, max);
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
 	default:
 		return 0;
@@ -583,6 +584,7 @@ static ssize_t attr_fn_lock_store(struct device *dev,
 		break;
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
 		if (ret)
 			return ret;
@@ -777,6 +779,7 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
 		return lenovo_event_cptkbd(hdev, field, usage, value);
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		return lenovo_event_tp10ubkbd(hdev, field, usage, value);
 	default:
 		return 0;
@@ -1059,6 +1062,7 @@ static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
 		break;
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
 		break;
 	}
@@ -1289,6 +1293,7 @@ static int lenovo_probe(struct hid_device *hdev,
 		break;
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		ret = lenovo_probe_tp10ubkbd(hdev);
 		break;
 	default:
@@ -1375,6 +1380,7 @@ static void lenovo_remove(struct hid_device *hdev)
 		break;
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
+	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		lenovo_remove_tp10ubkbd(hdev);
 		break;
 	}
@@ -1424,6 +1430,8 @@ static const struct hid_device_id lenovo_devices[] = {
 	 */
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
+	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) },
 	{ }
 };
 

drivers/hid/hid-multitouch.c

@@ -2020,6 +2020,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_ELAN, 0x3148) },
 
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_ELAN, 0x32ae) },
+
 	/* Elitegroup panel */
 	{ .driver_data = MT_CLS_SERIAL,
 		MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP,
@@ -2089,6 +2093,11 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			0x347d, 0x7853) },
 
+	/* HONOR MagicBook Art 14 touchpad */
+	{ .driver_data = MT_CLS_VTL,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			0x35cc, 0x0104) },
+
 	/* Ilitek dual touch panel */
 	{  .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
@@ -2131,6 +2140,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_LOGITECH,
 			USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD) },
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_LOGITECH,
+			USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER) },
 
 	/* MosArt panels */
 	{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,

drivers/iio/adc/ad7124.c

@@ -642,7 +642,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev,
 
 	switch (info) {
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		if (val2 != 0) {
+		if (val2 != 0 || val == 0) {
 			ret = -EINVAL;
 			break;
 		}

drivers/iio/light/veml6030.c

@@ -522,7 +522,7 @@ static int veml6030_read_raw(struct iio_dev *indio_dev,
 			}
 			if (mask == IIO_CHAN_INFO_PROCESSED) {
 				*val = (reg * data->cur_resolution) / 10000;
-				*val2 = (reg * data->cur_resolution) % 10000;
+				*val2 = (reg * data->cur_resolution) % 10000 * 100;
 				return IIO_VAL_INT_PLUS_MICRO;
 			}
 			*val = reg;

drivers/infiniband/hw/bnxt_re/qplib_fp.c

@@ -1014,7 +1014,8 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	hwq_attr.stride = sizeof(struct sq_sge);
 	hwq_attr.depth = bnxt_qplib_get_depth(sq);
 	hwq_attr.aux_stride = psn_sz;
-	hwq_attr.aux_depth = bnxt_qplib_set_sq_size(sq, qp->wqe_mode);
+	hwq_attr.aux_depth = psn_sz ? bnxt_qplib_set_sq_size(sq, qp->wqe_mode)
+				    : 0;
 	hwq_attr.type = HWQ_TYPE_QUEUE;
 	rc = bnxt_qplib_alloc_init_hwq(&sq->hwq, &hwq_attr);
 	if (rc)
@@ -1496,9 +1497,11 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res,
 	u32 tbl_indx;
 	int rc;
 
+	spin_lock_bh(&rcfw->tbl_lock);
 	tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw);
 	rcfw->qp_tbl[tbl_indx].qp_id = BNXT_QPLIB_QP_ID_INVALID;
 	rcfw->qp_tbl[tbl_indx].qp_handle = NULL;
+	spin_unlock_bh(&rcfw->tbl_lock);
 
 	RCFW_CMD_PREP(req, DESTROY_QP, cmd_flags);
 
@@ -1506,8 +1509,10 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res,
 	rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 					  (void *)&resp, NULL, 0);
 	if (rc) {
+		spin_lock_bh(&rcfw->tbl_lock);
 		rcfw->qp_tbl[tbl_indx].qp_id = qp->id;
 		rcfw->qp_tbl[tbl_indx].qp_handle = qp;
+		spin_unlock_bh(&rcfw->tbl_lock);
 		return rc;
 	}
 

drivers/infiniband/hw/bnxt_re/qplib_rcfw.c

@@ -320,17 +320,21 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
 	case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
 		err_event = (struct creq_qp_error_notification *)qp_event;
 		qp_id = le32_to_cpu(err_event->xid);
+		spin_lock(&rcfw->tbl_lock);
 		tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw);
 		qp = rcfw->qp_tbl[tbl_indx].qp_handle;
+		if (!qp) {
+			spin_unlock(&rcfw->tbl_lock);
+			break;
+		}
+		bnxt_qplib_mark_qp_error(qp);
+		rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp);
+		spin_unlock(&rcfw->tbl_lock);
 		dev_dbg(&pdev->dev, "Received QP error notification\n");
 		dev_dbg(&pdev->dev,
 			"qpid 0x%x, req_err=0x%x, resp_err=0x%x\n",
 			qp_id, err_event->req_err_state_reason,
 			err_event->res_err_state_reason);
-		if (!qp)
-			break;
-		bnxt_qplib_mark_qp_error(qp);
-		rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp);
 		break;
 	default:
 		/*
@@ -629,6 +633,7 @@ int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res,
 			       GFP_KERNEL);
 	if (!rcfw->qp_tbl)
 		goto fail;
+	spin_lock_init(&rcfw->tbl_lock);
 
 	return 0;
 

drivers/infiniband/hw/bnxt_re/qplib_rcfw.h

@@ -186,6 +186,8 @@ struct bnxt_qplib_rcfw {
 	struct bnxt_qplib_crsqe		*crsqe_tbl;
 	int qp_tbl_size;
 	struct bnxt_qplib_qp_node *qp_tbl;
+	/* To synchronize the qp-handle hash table */
+	spinlock_t			tbl_lock;
 	u64 oos_prev;
 	u32 init_oos_stats;
 	u32 cmdq_depth;

drivers/infiniband/hw/cxgb4/provider.c

@@ -474,6 +474,7 @@ static const struct ib_device_ops c4iw_dev_ops = {
 	.fill_res_cq_entry = c4iw_fill_res_cq_entry,
 	.fill_res_cm_id_entry = c4iw_fill_res_cm_id_entry,
 	.fill_res_mr_entry = c4iw_fill_res_mr_entry,
+	.fill_res_qp_entry = c4iw_fill_res_qp_entry,
 	.get_dev_fw_str = get_dev_fw_str,
 	.get_dma_mr = c4iw_get_dma_mr,
 	.get_hw_stats = c4iw_get_mib,

drivers/infiniband/hw/mlx5/qp.c

@@ -4187,14 +4187,14 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
 		MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt);
 
 	if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic)
-		MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic));
+		MLX5_SET(qpc, qpc, log_sra_max, fls(attr->max_rd_atomic - 1));
 
 	if (attr_mask & IB_QP_SQ_PSN)
 		MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn);
 
 	if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic)
 		MLX5_SET(qpc, qpc, log_rra_max,
-			 ilog2(attr->max_dest_rd_atomic));
+			 fls(attr->max_dest_rd_atomic - 1));
 
 	if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) {
 		err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc);

drivers/irqchip/irq-gic-v3.c

@@ -485,6 +485,13 @@ static int gic_irq_set_irqchip_state(struct irq_data *d,
 	}
 
 	gic_poke_irq(d, reg);
+
+	/*
+	 * Force read-back to guarantee that the active state has taken
+	 * effect, and won't race with a guest-driven deactivation.
+	 */
+	if (reg == GICD_ISACTIVER)
+		gic_peek_irq(d, reg);
 	return 0;
 }
 

drivers/irqchip/irq-mscc-ocelot.c

@@ -37,7 +37,7 @@ static struct chip_props ocelot_props = {
 	.reg_off_ena_clr	= 0x1c,
 	.reg_off_ena_set	= 0x20,
 	.reg_off_ident		= 0x38,
-	.reg_off_trigger	= 0x5c,
+	.reg_off_trigger	= 0x4,
 	.n_irq			= 24,
 };
 
@@ -70,7 +70,7 @@ static struct chip_props jaguar2_props = {
 	.reg_off_ena_clr	= 0x1c,
 	.reg_off_ena_set	= 0x20,
 	.reg_off_ident		= 0x38,
-	.reg_off_trigger	= 0x5c,
+	.reg_off_trigger	= 0x4,
 	.n_irq			= 29,
 };
 

drivers/md/dm-cache-target.c

@@ -1882,16 +1882,13 @@ static void check_migrations(struct work_struct *ws)
  * This function gets called on the error paths of the constructor, so we
  * have to cope with a partially initialised struct.
  */
-static void destroy(struct cache *cache)
+static void __destroy(struct cache *cache)
 {
-	unsigned int i;
-
 	mempool_exit(&cache->migration_pool);
 
 	if (cache->prison)
 		dm_bio_prison_destroy_v2(cache->prison);
 
-	cancel_delayed_work_sync(&cache->waker);
 	if (cache->wq)
 		destroy_workqueue(cache->wq);
 
@@ -1919,13 +1916,22 @@ static void destroy(struct cache *cache)
 	if (cache->policy)
 		dm_cache_policy_destroy(cache->policy);
 
+	bioset_exit(&cache->bs);
+
+	kfree(cache);
+}
+
+static void destroy(struct cache *cache)
+{
+	unsigned int i;
+
+	cancel_delayed_work_sync(&cache->waker);
+
 	for (i = 0; i < cache->nr_ctr_args ; i++)
 		kfree(cache->ctr_args[i]);
 	kfree(cache->ctr_args);
 
-	bioset_exit(&cache->bs);
-
-	kfree(cache);
+	__destroy(cache);
 }
 
 static void cache_dtr(struct dm_target *ti)
@@ -1980,7 +1986,6 @@ struct cache_args {
 	sector_t cache_sectors;
 
 	struct dm_dev *origin_dev;
-	sector_t origin_sectors;
 
 	uint32_t block_size;
 
@@ -2061,6 +2066,7 @@ static int parse_cache_dev(struct cache_args *ca, struct dm_arg_set *as,
 static int parse_origin_dev(struct cache_args *ca, struct dm_arg_set *as,
 			    char **error)
 {
+	sector_t origin_sectors;
 	int r;
 
 	if (!at_least_one_arg(as, error))
@@ -2073,8 +2079,8 @@ static int parse_origin_dev(struct cache_args *ca, struct dm_arg_set *as,
 		return r;
 	}
 
-	ca->origin_sectors = get_dev_size(ca->origin_dev);
-	if (ca->ti->len > ca->origin_sectors) {
+	origin_sectors = get_dev_size(ca->origin_dev);
+	if (ca->ti->len > origin_sectors) {
 		*error = "Device size larger than cached device";
 		return -EINVAL;
 	}
@@ -2384,7 +2390,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
 
 	ca->metadata_dev = ca->origin_dev = ca->cache_dev = NULL;
 
-	origin_blocks = cache->origin_sectors = ca->origin_sectors;
+	origin_blocks = cache->origin_sectors = ti->len;
 	origin_blocks = block_div(origin_blocks, ca->block_size);
 	cache->origin_blocks = to_oblock(origin_blocks);
 
@@ -2538,7 +2544,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
 	*result = cache;
 	return 0;
 bad:
-	destroy(cache);
+	__destroy(cache);
 	return r;
 }
 
@@ -2589,7 +2595,7 @@ static int cache_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	r = copy_ctr_args(cache, argc - 3, (const char **)argv + 3);
 	if (r) {
-		destroy(cache);
+		__destroy(cache);
 		goto out;
 	}
 
@@ -2872,19 +2878,19 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache)
 static bool can_resize(struct cache *cache, dm_cblock_t new_size)
 {
 	if (from_cblock(new_size) > from_cblock(cache->cache_size)) {
-		if (cache->sized) {
-			DMERR("%s: unable to extend cache due to missing cache table reload",
-			      cache_device_name(cache));
-			return false;
-		}
+		DMERR("%s: unable to extend cache due to missing cache table reload",
+		      cache_device_name(cache));
+		return false;
 	}
 
 	/*
 	 * We can't drop a dirty block when shrinking the cache.
 	 */
-	while (from_cblock(new_size) < from_cblock(cache->cache_size)) {
-		new_size = to_cblock(from_cblock(new_size) + 1);
-		if (is_dirty(cache, new_size)) {
+	if (cache->loaded_mappings) {
+		new_size = to_cblock(find_next_bit(cache->dirty_bitset,
+						   from_cblock(cache->cache_size),
+						   from_cblock(new_size)));
+		if (new_size != cache->cache_size) {
 			DMERR("%s: unable to shrink cache; cache block %llu is dirty",
 			      cache_device_name(cache),
 			      (unsigned long long) from_cblock(new_size));
@@ -2920,20 +2926,15 @@ static int cache_preresume(struct dm_target *ti)
 	/*
 	 * Check to see if the cache has resized.
 	 */
-	if (!cache->sized) {
-		r = resize_cache_dev(cache, csize);
-		if (r)
-			return r;
-
-		cache->sized = true;
-
-	} else if (csize != cache->cache_size) {
+	if (!cache->sized || csize != cache->cache_size) {
 		if (!can_resize(cache, csize))
 			return -EINVAL;
 
 		r = resize_cache_dev(cache, csize);
 		if (r)
 			return r;
+
+		cache->sized = true;
 	}
 
 	if (!cache->loaded_mappings) {

drivers/md/dm-unstripe.c

@@ -84,8 +84,8 @@ static int unstripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	}
 	uc->physical_start = start;
 
-	uc->unstripe_offset = uc->unstripe * uc->chunk_size;
-	uc->unstripe_width = (uc->stripes - 1) * uc->chunk_size;
+	uc->unstripe_offset = (sector_t)uc->unstripe * uc->chunk_size;
+	uc->unstripe_width = (sector_t)(uc->stripes - 1) * uc->chunk_size;
 	uc->chunk_shift = is_power_of_2(uc->chunk_size) ? fls(uc->chunk_size) - 1 : 0;
 
 	tmp_len = ti->len;

drivers/md/raid10.c

@@ -3432,7 +3432,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 			sector_t sect;
 			int must_sync;
 			int any_working;
-			int need_recover = 0;
 			struct raid10_info *mirror = &conf->mirrors[i];
 			struct md_rdev *mrdev, *mreplace;
 
@@ -3440,14 +3439,13 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 			mrdev = rcu_dereference(mirror->rdev);
 			mreplace = rcu_dereference(mirror->replacement);
 
-			if (mrdev != NULL &&
-			    !test_bit(Faulty, &mrdev->flags) &&
-			    !test_bit(In_sync, &mrdev->flags))
-				need_recover = 1;
+			if (mrdev && (test_bit(Faulty, &mrdev->flags) ||
+			    test_bit(In_sync, &mrdev->flags)))
+				mrdev = NULL;
 			if (mreplace && test_bit(Faulty, &mreplace->flags))
 				mreplace = NULL;
 
-			if (!need_recover && !mreplace) {
+			if (!mrdev && !mreplace) {
 				rcu_read_unlock();
 				continue;
 			}
@@ -3481,7 +3479,8 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 				rcu_read_unlock();
 				continue;
 			}
-			atomic_inc(&mrdev->nr_pending);
+			if (mrdev)
+				atomic_inc(&mrdev->nr_pending);
 			if (mreplace)
 				atomic_inc(&mreplace->nr_pending);
 			rcu_read_unlock();
@@ -3568,7 +3567,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 				r10_bio->devs[1].devnum = i;
 				r10_bio->devs[1].addr = to_addr;
 
-				if (need_recover) {
+				if (mrdev) {
 					bio = r10_bio->devs[1].bio;
 					bio->bi_next = biolist;
 					biolist = bio;
@@ -3613,7 +3612,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 					for (k = 0; k < conf->copies; k++)
 						if (r10_bio->devs[k].devnum == i)
 							break;
-					if (!test_bit(In_sync,
+					if (mrdev && !test_bit(In_sync,
 						      &mrdev->flags)
 					    && !rdev_set_badblocks(
 						    mrdev,
@@ -3639,12 +3638,14 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
 				if (rb2)
 					atomic_dec(&rb2->remaining);
 				r10_bio = rb2;
-				rdev_dec_pending(mrdev, mddev);
+				if (mrdev)
+					rdev_dec_pending(mrdev, mddev);
 				if (mreplace)
 					rdev_dec_pending(mreplace, mddev);
 				break;
 			}
-			rdev_dec_pending(mrdev, mddev);
+			if (mrdev)
+				rdev_dec_pending(mrdev, mddev);
 			if (mreplace)
 				rdev_dec_pending(mreplace, mddev);
 			if (r10_bio->devs[0].bio->bi_opf & MD_FAILFAST) {

drivers/media/cec/usb/pulse8/pulse8-cec.c

@@ -685,7 +685,7 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio,
 	err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 4);
 	if (err)
 		return err;
-	date = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+	date = ((unsigned)data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
 	dev_info(pulse8->dev, "Firmware build date %ptT\n", &date);
 
 	dev_dbg(pulse8->dev, "Persistent config:\n");

drivers/media/common/v4l2-tpg/v4l2-tpg-core.c

@@ -1795,6 +1795,9 @@ static void tpg_precalculate_line(struct tpg_data *tpg)
 	unsigned p;
 	unsigned x;
 
+	if (WARN_ON_ONCE(!tpg->src_width || !tpg->scaled_width))
+		return;
+
 	switch (tpg->pattern) {
 	case TPG_PAT_GREEN:
 		contrast = TPG_COLOR_100_RED;