diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2019-03-13 18:07:49 -0400 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2019-03-13 18:07:49 -0400 |
| commit | 1f44abc4f0483b4c40349d848e8bbcd3ebb200ed (patch) | |
| tree | 947cd98686f59062dba7b3098bcb71251443326b | |
| parent | proj/linux-patches: Linux patch 4.19.28 (diff) | |
| download | linux-patches-1f44abc4.tar.gz linux-patches-1f44abc4.tar.bz2 linux-patches-1f44abc4.zip | |
proj/linux-patches: Linux patch 4.19.294.19-30
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1028_linux-4.19.29.patch | 6412 |
2 files changed, 6416 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 292278e8..9c98a667 100644 --- a/0000_README +++ b/0000_README @@ -155,6 +155,10 @@ Patch: 1027_linux-4.19.28.patch From: http://www.kernel.org Desc: Linux 4.19.28 +Patch: 1028_linux-4.19.29.patch +From: http://www.kernel.org +Desc: Linux 4.19.29 + 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/1028_linux-4.19.29.patch b/1028_linux-4.19.29.patch new file mode 100644 index 00000000..0eb9cf93 --- /dev/null +++ b/1028_linux-4.19.29.patch @@ -0,0 +1,6412 @@ +diff --git a/Makefile b/Makefile +index c6ac023ba33a..6e526583291c 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 19 +-SUBLEVEL = 28 ++SUBLEVEL = 29 + EXTRAVERSION = + NAME = "People's Front" + +diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi +index 27a1ee28c3bb..94efca78c42f 100644 +--- a/arch/arm/boot/dts/exynos3250.dtsi ++++ b/arch/arm/boot/dts/exynos3250.dtsi +@@ -168,6 +168,9 @@ + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; ++ clock-names = "clkout8"; ++ clocks = <&cmu CLK_FIN_PLL>; ++ #clock-cells = <1>; + }; + + mipi_phy: video-phy { +diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +index a09e46c9dbc0..00820d239753 100644 +--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi ++++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +@@ -49,7 +49,7 @@ + }; + + emmc_pwrseq: pwrseq { +- pinctrl-0 = <&sd1_cd>; ++ pinctrl-0 = <&emmc_rstn>; + pinctrl-names = "default"; + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpk1 2 GPIO_ACTIVE_LOW>; +@@ -161,12 +161,6 @@ + cpu0-supply = <&buck2_reg>; + }; + +-/* RSTN signal for eMMC */ +-&sd1_cd { +- samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; +- samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; +-}; +- + &pinctrl_1 { + gpio_power_key: power_key { + samsung,pins = "gpx1-3"; +@@ -184,6 +178,11 @@ + samsung,pins = "gpx3-7"; + samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; + }; ++ ++ emmc_rstn: emmc-rstn { ++ samsung,pins = "gpk1-2"; ++ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; ++ }; + }; + + &ehci { +diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +index 2f4f40882dab..27214e6ebe4f 100644 +--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi ++++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +@@ -334,7 +334,7 @@ + buck8_reg: BUCK8 { + regulator-name = "vdd_1.8v_ldo"; + regulator-min-microvolt = <800000>; +- regulator-max-microvolt = <1500000>; ++ regulator-max-microvolt = <2000000>; + regulator-always-on; + regulator-boot-on; + }; +diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi +index 844caa39364f..50083cecc6c9 100644 +--- a/arch/arm/boot/dts/imx6sx.dtsi ++++ b/arch/arm/boot/dts/imx6sx.dtsi +@@ -462,7 +462,7 @@ + }; + + gpt: gpt@2098000 { +- compatible = "fsl,imx6sx-gpt", "fsl,imx31-gpt"; ++ compatible = "fsl,imx6sx-gpt", "fsl,imx6dl-gpt"; + reg = <0x02098000 0x4000>; + interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6SX_CLK_GPT_BUS>, +diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi +index 0d9faf1a51ea..a86b89086334 100644 +--- a/arch/arm/boot/dts/meson.dtsi ++++ b/arch/arm/boot/dts/meson.dtsi +@@ -263,7 +263,7 @@ + compatible = "amlogic,meson6-dwmac", "snps,dwmac"; + reg = <0xc9410000 0x10000 + 0xc1108108 0x4>; +- interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE_RISING>; ++ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq"; + status = "disabled"; + }; +diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts +index ef3177d3da3d..8fdeeffecbdb 100644 +--- a/arch/arm/boot/dts/meson8b-odroidc1.dts ++++ b/arch/arm/boot/dts/meson8b-odroidc1.dts +@@ -125,7 +125,6 @@ + /* Realtek RTL8211F (0x001cc916) */ + eth_phy: ethernet-phy@0 { + reg = <0>; +- eee-broken-1000t; + interrupt-parent = <&gpio_intc>; + /* GPIOH_3 */ + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; +@@ -172,8 +171,7 @@ + cap-sd-highspeed; + disable-wp; + +- cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; +- cd-inverted; ++ cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; + + vmmc-supply = <&tflash_vdd>; + vqmmc-supply = <&tf_io>; +diff --git a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +index f5853610b20b..6ac02beb5fa7 100644 +--- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts ++++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +@@ -206,8 +206,7 @@ + cap-sd-highspeed; + disable-wp; + +- cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; +- cd-inverted; ++ cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; + + vmmc-supply = <&vcc_3v3>; + }; +diff --git a/arch/arm/boot/dts/motorola-cpcap-mapphone.dtsi b/arch/arm/boot/dts/motorola-cpcap-mapphone.dtsi +index ddc7a7bb33c0..f57acf8f66b9 100644 +--- a/arch/arm/boot/dts/motorola-cpcap-mapphone.dtsi ++++ b/arch/arm/boot/dts/motorola-cpcap-mapphone.dtsi +@@ -105,7 +105,7 @@ + interrupts-extended = < + &cpcap 15 0 &cpcap 14 0 &cpcap 28 0 &cpcap 19 0 + &cpcap 18 0 &cpcap 17 0 &cpcap 16 0 &cpcap 49 0 +- &cpcap 48 1 ++ &cpcap 48 0 + >; + interrupt-names = + "id_ground", "id_float", "se0conn", "vbusvld", +diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi +index 0d9b85317529..e142e6c70a59 100644 +--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi ++++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi +@@ -370,6 +370,19 @@ + compatible = "ti,omap2-onenand"; + reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */ + ++ /* ++ * These timings are based on CONFIG_OMAP_GPMC_DEBUG=y reported ++ * bootloader set values when booted with v4.19 using both N950 ++ * and N9 devices (OneNAND Manufacturer: Samsung): ++ * ++ * gpmc cs0 before gpmc_cs_program_settings: ++ * cs0 GPMC_CS_CONFIG1: 0xfd001202 ++ * cs0 GPMC_CS_CONFIG2: 0x00181800 ++ * cs0 GPMC_CS_CONFIG3: 0x00030300 ++ * cs0 GPMC_CS_CONFIG4: 0x18001804 ++ * cs0 GPMC_CS_CONFIG5: 0x03171d1d ++ * cs0 GPMC_CS_CONFIG6: 0x97080000 ++ */ + gpmc,sync-read; + gpmc,sync-write; + gpmc,burst-length = <16>; +@@ -379,26 +392,27 @@ + gpmc,device-width = <2>; + gpmc,mux-add-data = <2>; + gpmc,cs-on-ns = <0>; +- gpmc,cs-rd-off-ns = <87>; +- gpmc,cs-wr-off-ns = <87>; ++ gpmc,cs-rd-off-ns = <122>; ++ gpmc,cs-wr-off-ns = <122>; + gpmc,adv-on-ns = <0>; +- gpmc,adv-rd-off-ns = <10>; +- gpmc,adv-wr-off-ns = <10>; +- gpmc,oe-on-ns = <15>; +- gpmc,oe-off-ns = <87>; ++ gpmc,adv-rd-off-ns = <15>; ++ gpmc,adv-wr-off-ns = <15>; ++ gpmc,oe-on-ns = <20>; ++ gpmc,oe-off-ns = <122>; + gpmc,we-on-ns = <0>; +- gpmc,we-off-ns = <87>; +- gpmc,rd-cycle-ns = <112>; +- gpmc,wr-cycle-ns = <112>; +- gpmc,access-ns = <81>; ++ gpmc,we-off-ns = <122>; ++ gpmc,rd-cycle-ns = <148>; ++ gpmc,wr-cycle-ns = <148>; ++ gpmc,access-ns = <117>; + gpmc,page-burst-access-ns = <15>; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,wait-monitoring-ns = <0>; +- gpmc,clk-activation-ns = <5>; +- gpmc,wr-data-mux-bus-ns = <30>; +- gpmc,wr-access-ns = <81>; +- gpmc,sync-clk-ps = <15000>; ++ gpmc,clk-activation-ns = <10>; ++ gpmc,wr-data-mux-bus-ns = <40>; ++ gpmc,wr-access-ns = <117>; ++ ++ gpmc,sync-clk-ps = <15000>; /* TBC; Where this value came? */ + + /* + * MTD partition table corresponding to Nokia's MeeGo 1.2 +diff --git a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts +index 5d23667dc2d2..25540b7694d5 100644 +--- a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts ++++ b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts +@@ -53,7 +53,7 @@ + + aliases { + serial0 = &uart0; +- /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */ ++ ethernet0 = &emac; + ethernet1 = &sdiowifi; + }; + +diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c +index ed36dcab80f1..f51919974183 100644 +--- a/arch/arm/plat-pxa/ssp.c ++++ b/arch/arm/plat-pxa/ssp.c +@@ -190,8 +190,6 @@ static int pxa_ssp_remove(struct platform_device *pdev) + if (ssp == NULL) + return -ENODEV; + +- iounmap(ssp->mmio_base); +- + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + +@@ -201,7 +199,6 @@ static int pxa_ssp_remove(struct platform_device *pdev) + list_del(&ssp->node); + mutex_unlock(&ssp_lock); + +- kfree(ssp); + return 0; + } + +diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +index f4964bee6a1a..e80a792827ed 100644 +--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts ++++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +@@ -118,6 +118,7 @@ + reset-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; + clocks = <&pmic>; + clock-names = "ext_clock"; ++ post-power-on-delay-ms = <10>; + power-off-delay-us = <10>; + }; + +@@ -300,7 +301,6 @@ + + dwmmc_0: dwmmc0@f723d000 { + cap-mmc-highspeed; +- mmc-hs200-1_8v; + non-removable; + bus-width = <0x8>; + vmmc-supply = <&ldo19>; +diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi +index cd3865e7a270..8c86c41a0d25 100644 +--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi ++++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi +@@ -399,7 +399,7 @@ + }; + + intc: interrupt-controller@9bc0000 { +- compatible = "arm,gic-v3"; ++ compatible = "qcom,msm8996-gic-v3", "arm,gic-v3"; + #interrupt-cells = <3>; + interrupt-controller; + #redistributor-regions = <1>; +diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi +index cbd35c00b4af..33cb0281c39c 100644 +--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi ++++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi +@@ -1161,6 +1161,9 @@ + <&cpg CPG_CORE R8A7796_CLK_S3D1>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; ++ dmas = <&dmac1 0x13>, <&dmac1 0x12>, ++ <&dmac2 0x13>, <&dmac2 0x12>; ++ dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A7796_PD_ALWAYS_ON>; + resets = <&cpg 310>; + status = "disabled"; +diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi +index 0cd44461a0bd..f60f08ba1a6f 100644 +--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi ++++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi +@@ -951,6 +951,9 @@ + <&cpg CPG_CORE R8A77965_CLK_S3D1>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; ++ dmas = <&dmac1 0x13>, <&dmac1 0x12>, ++ <&dmac2 0x13>, <&dmac2 0x12>; ++ dma-names = "tx", "rx", "tx", "rx"; + power-domains = <&sysc R8A77965_PD_ALWAYS_ON>; + resets = <&cpg 310>; + status = "disabled"; +diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts +index eb5e8bddb610..8954c8c6f547 100644 +--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts ++++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts +@@ -101,6 +101,7 @@ + sdio_pwrseq: sdio_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio 7 GPIO_ACTIVE_LOW>; /* WIFI_EN */ ++ post-power-on-delay-ms = <10>; + }; + }; + +diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c +index b5a367d4bba6..30bb13797034 100644 +--- a/arch/arm64/kernel/probes/kprobes.c ++++ b/arch/arm64/kernel/probes/kprobes.c +@@ -478,13 +478,13 @@ bool arch_within_kprobe_blacklist(unsigned long addr) + addr < (unsigned long)__entry_text_end) || + (addr >= (unsigned long)__idmap_text_start && + addr < (unsigned long)__idmap_text_end) || ++ (addr >= (unsigned long)__hyp_text_start && ++ addr < (unsigned long)__hyp_text_end) || + !!search_exception_tables(addr)) + return true; + + if (!is_kernel_in_hyp_mode()) { +- if ((addr >= (unsigned long)__hyp_text_start && +- addr < (unsigned long)__hyp_text_end) || +- (addr >= (unsigned long)__hyp_idmap_text_start && ++ if ((addr >= (unsigned long)__hyp_idmap_text_start && + addr < (unsigned long)__hyp_idmap_text_end)) + return true; + } +diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts +index 50cff3cbcc6d..4f7b1fa31cf5 100644 +--- a/arch/mips/boot/dts/ingenic/ci20.dts ++++ b/arch/mips/boot/dts/ingenic/ci20.dts +@@ -76,7 +76,7 @@ + status = "okay"; + + pinctrl-names = "default"; +- pinctrl-0 = <&pins_uart2>; ++ pinctrl-0 = <&pins_uart3>; + }; + + &uart4 { +@@ -196,9 +196,9 @@ + bias-disable; + }; + +- pins_uart2: uart2 { +- function = "uart2"; +- groups = "uart2-data", "uart2-hwflow"; ++ pins_uart3: uart3 { ++ function = "uart3"; ++ groups = "uart3-data", "uart3-hwflow"; + bias-disable; + }; + +diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c +index d4f7fd4550e1..85522c137f19 100644 +--- a/arch/mips/kernel/process.c ++++ b/arch/mips/kernel/process.c +@@ -371,7 +371,7 @@ static inline int is_sp_move_ins(union mips_instruction *ip, int *frame_size) + static int get_frame_info(struct mips_frame_info *info) + { + bool is_mmips = IS_ENABLED(CONFIG_CPU_MICROMIPS); +- union mips_instruction insn, *ip, *ip_end; ++ union mips_instruction insn, *ip; + const unsigned int max_insns = 128; + unsigned int last_insn_size = 0; + unsigned int i; +@@ -384,10 +384,9 @@ static int get_frame_info(struct mips_frame_info *info) + if (!ip) + goto err; + +- ip_end = (void *)ip + info->func_size; +- +- for (i = 0; i < max_insns && ip < ip_end; i++) { ++ for (i = 0; i < max_insns; i++) { + ip = (void *)ip + last_insn_size; ++ + if (is_mmips && mm_insn_16bit(ip->halfword[0])) { + insn.word = ip->halfword[0] << 16; + last_insn_size = 2; +diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h +index 3fe4af8147d2..c23578a37b44 100644 +--- a/arch/riscv/include/asm/processor.h ++++ b/arch/riscv/include/asm/processor.h +@@ -22,7 +22,7 @@ + * This decides where the kernel will search for a free chunk of vm + * space during mmap's. + */ +-#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE >> 1) ++#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3) + + #define STACK_TOP TASK_SIZE + #define STACK_TOP_MAX STACK_TOP +diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c +index b2d26d9d8489..9713d4e8c22b 100644 +--- a/arch/riscv/kernel/setup.c ++++ b/arch/riscv/kernel/setup.c +@@ -186,7 +186,7 @@ static void __init setup_bootmem(void) + BUG_ON(mem_size == 0); + + set_max_mapnr(PFN_DOWN(mem_size)); +- max_low_pfn = memblock_end_of_DRAM(); ++ max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); + + #ifdef CONFIG_BLK_DEV_INITRD + setup_initrd(); +diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c +index 58a522f9bcc3..200a4b315e15 100644 +--- a/arch/riscv/mm/init.c ++++ b/arch/riscv/mm/init.c +@@ -29,7 +29,8 @@ static void __init zone_sizes_init(void) + unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; + + #ifdef CONFIG_ZONE_DMA32 +- max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn)); ++ max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, ++ (unsigned long) PFN_PHYS(max_low_pfn))); + #endif + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + +diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S +index 64037895b085..f105ae8651c9 100644 +--- a/arch/x86/boot/compressed/head_64.S ++++ b/arch/x86/boot/compressed/head_64.S +@@ -600,6 +600,14 @@ ENTRY(trampoline_32bit_src) + leal TRAMPOLINE_32BIT_PGTABLE_OFFSET(%ecx), %eax + movl %eax, %cr3 + 3: ++ /* Set EFER.LME=1 as a precaution in case hypervsior pulls the rug */ ++ pushl %ecx ++ movl $MSR_EFER, %ecx ++ rdmsr ++ btsl $_EFER_LME, %eax ++ wrmsr ++ popl %ecx ++ + /* Enable PAE and LA57 (if required) paging modes */ + movl $X86_CR4_PAE, %eax + cmpl $0, %edx +diff --git a/arch/x86/boot/compressed/pgtable.h b/arch/x86/boot/compressed/pgtable.h +index 91f75638f6e6..6ff7e81b5628 100644 +--- a/arch/x86/boot/compressed/pgtable.h ++++ b/arch/x86/boot/compressed/pgtable.h +@@ -6,7 +6,7 @@ + #define TRAMPOLINE_32BIT_PGTABLE_OFFSET 0 + + #define TRAMPOLINE_32BIT_CODE_OFFSET PAGE_SIZE +-#define TRAMPOLINE_32BIT_CODE_SIZE 0x60 ++#define TRAMPOLINE_32BIT_CODE_SIZE 0x70 + + #define TRAMPOLINE_32BIT_STACK_END TRAMPOLINE_32BIT_SIZE + +diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c +index c04a8813cff9..a41554350893 100644 +--- a/arch/x86/events/core.c ++++ b/arch/x86/events/core.c +@@ -1970,7 +1970,7 @@ static int x86_pmu_commit_txn(struct pmu *pmu) + */ + static void free_fake_cpuc(struct cpu_hw_events *cpuc) + { +- kfree(cpuc->shared_regs); ++ intel_cpuc_finish(cpuc); + kfree(cpuc); + } + +@@ -1982,14 +1982,11 @@ static struct cpu_hw_events *allocate_fake_cpuc(void) + cpuc = kzalloc(sizeof(*cpuc), GFP_KERNEL); + if (!cpuc) + return ERR_PTR(-ENOMEM); +- +- /* only needed, if we have extra_regs */ +- if (x86_pmu.extra_regs) { +- cpuc->shared_regs = allocate_shared_regs(cpu); +- if (!cpuc->shared_regs) +- goto error; +- } + cpuc->is_fake = 1; ++ ++ if (intel_cpuc_prepare(cpuc, cpu)) ++ goto error; ++ + return cpuc; + error: + free_fake_cpuc(cpuc); +diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c +index fbd7551a8d44..220b40b75e6f 100644 +--- a/arch/x86/events/intel/core.c ++++ b/arch/x86/events/intel/core.c +@@ -1995,6 +1995,39 @@ static void intel_pmu_nhm_enable_all(int added) + intel_pmu_enable_all(added); + } + ++static void intel_set_tfa(struct cpu_hw_events *cpuc, bool on) ++{ ++ u64 val = on ? MSR_TFA_RTM_FORCE_ABORT : 0; ++ ++ if (cpuc->tfa_shadow != val) { ++ cpuc->tfa_shadow = val; ++ wrmsrl(MSR_TSX_FORCE_ABORT, val); ++ } ++} ++ ++static void intel_tfa_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr) ++{ ++ /* ++ * We're going to use PMC3, make sure TFA is set before we touch it. ++ */ ++ if (cntr == 3 && !cpuc->is_fake) ++ intel_set_tfa(cpuc, true); ++} ++ ++static void intel_tfa_pmu_enable_all(int added) ++{ ++ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); ++ ++ /* ++ * If we find PMC3 is no longer used when we enable the PMU, we can ++ * clear TFA. ++ */ ++ if (!test_bit(3, cpuc->active_mask)) ++ intel_set_tfa(cpuc, false); ++ ++ intel_pmu_enable_all(added); ++} ++ + static inline u64 intel_pmu_get_status(void) + { + u64 status; +@@ -2652,6 +2685,35 @@ intel_stop_scheduling(struct cpu_hw_events *cpuc) + raw_spin_unlock(&excl_cntrs->lock); + } + ++static struct event_constraint * ++dyn_constraint(struct cpu_hw_events *cpuc, struct event_constraint *c, int idx) ++{ ++ WARN_ON_ONCE(!cpuc->constraint_list); ++ ++ if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { ++ struct event_constraint *cx; ++ ++ /* ++ * grab pre-allocated constraint entry ++ */ ++ cx = &cpuc->constraint_list[idx]; ++ ++ /* ++ * initialize dynamic constraint ++ * with static constraint ++ */ ++ *cx = *c; ++ ++ /* ++ * mark constraint as dynamic ++ */ ++ cx->flags |= PERF_X86_EVENT_DYNAMIC; ++ c = cx; ++ } ++ ++ return c; ++} ++ + static struct event_constraint * + intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, + int idx, struct event_constraint *c) +@@ -2682,27 +2744,7 @@ intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event, + * only needed when constraint has not yet + * been cloned (marked dynamic) + */ +- if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) { +- struct event_constraint *cx; +- +- /* +- * grab pre-allocated constraint entry +- */ +- cx = &cpuc->constraint_list[idx]; +- +- /* +- * initialize dynamic constraint +- * with static constraint +- */ +- *cx = *c; +- +- /* +- * mark constraint as dynamic, so we +- * can free it later on +- */ +- cx->flags |= PERF_X86_EVENT_DYNAMIC; +- c = cx; +- } ++ c = dyn_constraint(cpuc, c, idx); + + /* + * From here on, the constraint is dynamic. +@@ -3229,6 +3271,26 @@ glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + return c; + } + ++static bool allow_tsx_force_abort = true; ++ ++static struct event_constraint * ++tfa_get_event_constraints(struct cpu_hw_events *cpuc, int idx, ++ struct perf_event *event) ++{ ++ struct event_constraint *c = hsw_get_event_constraints(cpuc, idx, event); ++ ++ /* ++ * Without TFA we must not use PMC3. ++ */ ++ if (!allow_tsx_force_abort && test_bit(3, c->idxmsk)) { ++ c = dyn_constraint(cpuc, c, idx); ++ c->idxmsk64 &= ~(1ULL << 3); ++ c->weight--; ++ } ++ ++ return c; ++} ++ + /* + * Broadwell: + * +@@ -3282,7 +3344,7 @@ ssize_t intel_event_sysfs_show(char *page, u64 config) + return x86_event_sysfs_show(page, config, event); + } + +-struct intel_shared_regs *allocate_shared_regs(int cpu) ++static struct intel_shared_regs *allocate_shared_regs(int cpu) + { + struct intel_shared_regs *regs; + int i; +@@ -3314,23 +3376,24 @@ static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu) + return c; + } + +-static int intel_pmu_cpu_prepare(int cpu) +-{ +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + ++int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu) ++{ + if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { + cpuc->shared_regs = allocate_shared_regs(cpu); + if (!cpuc->shared_regs) + goto err; + } + +- if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { ++ if (x86_pmu.flags & (PMU_FL_EXCL_CNTRS | PMU_FL_TFA)) { + size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint); + +- cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); ++ cpuc->constraint_list = kzalloc_node(sz, GFP_KERNEL, cpu_to_node(cpu)); + if (!cpuc->constraint_list) + goto err_shared_regs; ++ } + ++ if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { + cpuc->excl_cntrs = allocate_excl_cntrs(cpu); + if (!cpuc->excl_cntrs) + goto err_constraint_list; +@@ -3352,6 +3415,11 @@ err: + return -ENOMEM; + } + ++static int intel_pmu_cpu_prepare(int cpu) ++{ ++ return intel_cpuc_prepare(&per_cpu(cpu_hw_events, cpu), cpu); ++} ++ + static void flip_smm_bit(void *data) + { + unsigned long set = *(unsigned long *)data; +@@ -3423,9 +3491,8 @@ static void intel_pmu_cpu_starting(int cpu) + } + } + +-static void free_excl_cntrs(int cpu) ++static void free_excl_cntrs(struct cpu_hw_events *cpuc) + { +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + struct intel_excl_cntrs *c; + + c = cpuc->excl_cntrs; +@@ -3433,9 +3500,10 @@ static void free_excl_cntrs(int cpu) + if (c->core_id == -1 || --c->refcnt == 0) + kfree(c); + cpuc->excl_cntrs = NULL; +- kfree(cpuc->constraint_list); +- cpuc->constraint_list = NULL; + } ++ ++ kfree(cpuc->constraint_list); ++ cpuc->constraint_list = NULL; + } + + static void intel_pmu_cpu_dying(int cpu) +@@ -3443,9 +3511,8 @@ static void intel_pmu_cpu_dying(int cpu) + fini_debug_store_on_cpu(cpu); + } + +-static void intel_pmu_cpu_dead(int cpu) ++void intel_cpuc_finish(struct cpu_hw_events *cpuc) + { +- struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + struct intel_shared_regs *pc; + + pc = cpuc->shared_regs; +@@ -3455,7 +3522,12 @@ static void intel_pmu_cpu_dead(int cpu) + cpuc->shared_regs = NULL; + } + +- free_excl_cntrs(cpu); ++ free_excl_cntrs(cpuc); ++} ++ ++static void intel_pmu_cpu_dead(int cpu) ++{ ++ intel_cpuc_finish(&per_cpu(cpu_hw_events, cpu)); + } + + static void intel_pmu_sched_task(struct perf_event_context *ctx, +@@ -3917,8 +3989,11 @@ static struct attribute *intel_pmu_caps_attrs[] = { + NULL + }; + ++DEVICE_BOOL_ATTR(allow_tsx_force_abort, 0644, allow_tsx_force_abort); ++ + static struct attribute *intel_pmu_attrs[] = { + &dev_attr_freeze_on_smi.attr, ++ NULL, /* &dev_attr_allow_tsx_force_abort.attr.attr */ + NULL, + }; + +@@ -4374,6 +4449,15 @@ __init int intel_pmu_init(void) + x86_pmu.cpu_events = get_hsw_events_attrs(); + intel_pmu_pebs_data_source_skl( + boot_cpu_data.x86_model == INTEL_FAM6_SKYLAKE_X); ++ ++ if (boot_cpu_has(X86_FEATURE_TSX_FORCE_ABORT)) { ++ x86_pmu.flags |= PMU_FL_TFA; ++ x86_pmu.get_event_constraints = tfa_get_event_constraints; ++ x86_pmu.enable_all = intel_tfa_pmu_enable_all; ++ x86_pmu.commit_scheduling = intel_tfa_commit_scheduling; ++ intel_pmu_attrs[1] = &dev_attr_allow_tsx_force_abort.attr.attr; ++ } ++ + pr_cont("Skylake events, "); + name = "skylake"; + break; +@@ -4515,7 +4599,7 @@ static __init int fixup_ht_bug(void) + hardlockup_detector_perf_restart(); + + for_each_online_cpu(c) +- free_excl_cntrs(c); ++ free_excl_cntrs(&per_cpu(cpu_hw_events, c)); + + cpus_read_unlock(); + pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n"); +diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h +index 0ee3a441ad79..5c424009b71f 100644 +--- a/arch/x86/events/perf_event.h ++++ b/arch/x86/events/perf_event.h +@@ -242,6 +242,11 @@ struct cpu_hw_events { + struct intel_excl_cntrs *excl_cntrs; + int excl_thread_id; /* 0 or 1 */ + ++ /* ++ * SKL TSX_FORCE_ABORT shadow ++ */ ++ u64 tfa_shadow; ++ + /* + * AMD specific bits + */ +@@ -679,6 +684,7 @@ do { \ + #define PMU_FL_EXCL_CNTRS 0x4 /* has exclusive counter requirements */ + #define PMU_FL_EXCL_ENABLED 0x8 /* exclusive counter active */ + #define PMU_FL_PEBS_ALL 0x10 /* all events are valid PEBS events */ ++#define PMU_FL_TFA 0x20 /* deal with TSX force abort */ + + #define EVENT_VAR(_id) event_attr_##_id + #define EVENT_PTR(_id) &event_attr_##_id.attr.attr +@@ -887,7 +893,8 @@ struct event_constraint * + x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event); + +-struct intel_shared_regs *allocate_shared_regs(int cpu); ++extern int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu); ++extern void intel_cpuc_finish(struct cpu_hw_events *cpuc); + + int intel_pmu_init(void); + +@@ -1023,9 +1030,13 @@ static inline int intel_pmu_init(void) + return 0; + } + +-static inline struct intel_shared_regs *allocate_shared_regs(int cpu) ++static inline int intel_cpuc_prepare(struct cpu_hw_event *cpuc, int cpu) ++{ ++ return 0; ++} ++ ++static inline void intel_cpuc_finish(struct cpu_hw_event *cpuc) + { +- return NULL; + } + + static inline int is_ht_workaround_enabled(void) +diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h +index 89a048c2faec..7b31ee5223fc 100644 +--- a/arch/x86/include/asm/cpufeatures.h ++++ b/arch/x86/include/asm/cpufeatures.h +@@ -340,6 +340,7 @@ + /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */ + #define X86_FEATURE_AVX512_4VNNIW (18*32+ 2) /* AVX-512 Neural Network Instructions */ + #define X86_FEATURE_AVX512_4FMAPS (18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */ ++#define X86_FEATURE_TSX_FORCE_ABORT (18*32+13) /* "" TSX_FORCE_ABORT */ + #define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */ + #define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */ + #define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */ +diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h +index 1f9de7635bcb..f14ca0be1e3f 100644 +--- a/arch/x86/include/asm/msr-index.h ++++ b/arch/x86/include/asm/msr-index.h +@@ -629,6 +629,12 @@ + + #define MSR_IA32_TSC_DEADLINE 0x000006E0 + ++ ++#define MSR_TSX_FORCE_ABORT 0x0000010F ++ ++#define MSR_TFA_RTM_FORCE_ABORT_BIT 0 ++#define MSR_TFA_RTM_FORCE_ABORT BIT_ULL(MSR_TFA_RTM_FORCE_ABORT_BIT) ++ + /* P4/Xeon+ specific */ + #define MSR_IA32_MCG_EAX 0x00000180 + #define MSR_IA32_MCG_EBX 0x00000181 +diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h +index b99d497e342d..0b6352aabbd3 100644 +--- a/arch/x86/include/asm/page_64_types.h ++++ b/arch/x86/include/asm/page_64_types.h +@@ -7,7 +7,11 @@ + #endif + + #ifdef CONFIG_KASAN ++#ifdef CONFIG_KASAN_EXTRA ++#define KASAN_STACK_ORDER 2 ++#else + #define KASAN_STACK_ORDER 1 ++#endif + #else + #define KASAN_STACK_ORDER 0 + #endif +diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c +index 07b5fc00b188..a4e7e100ed26 100644 +--- a/arch/x86/kernel/cpu/microcode/amd.c ++++ b/arch/x86/kernel/cpu/microcode/amd.c +@@ -707,7 +707,7 @@ load_microcode_amd(bool save, u8 family, const u8 *data, size_t size) + if (!p) { + return ret; + } else { +- if (boot_cpu_data.microcode == p->patch_id) ++ if (boot_cpu_data.microcode >= p->patch_id) + return ret; + + ret = UCODE_NEW; +diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c +index 278cd07228dd..9490a2845f14 100644 +--- a/arch/x86/kernel/kexec-bzimage64.c ++++ b/arch/x86/kernel/kexec-bzimage64.c +@@ -167,6 +167,9 @@ setup_efi_state(struct boot_params *params, unsigned long params_load_addr, + struct efi_info *current_ei = &boot_params.efi_info; + struct efi_info *ei = ¶ms->efi_info; + ++ if (!efi_enabled(EFI_RUNTIME_SERVICES)) ++ return 0; ++ + if (!current_ei->efi_memmap_size) + return 0; + +diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c +index 13f4485ca388..bd372e896557 100644 +--- a/arch/x86/pci/fixup.c ++++ b/arch/x86/pci/fixup.c +@@ -641,6 +641,22 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334b, quirk_no_aersid); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334c, quirk_no_aersid); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334d, quirk_no_aersid); + ++static void quirk_intel_th_dnv(struct pci_dev *dev) ++{ ++ struct resource *r = &dev->resource[4]; ++ ++ /* ++ * Denverton reports 2k of RTIT_BAR (intel_th resource 4), which ++ * appears to be 4 MB in reality. ++ */ ++ if (r->end == r->start + 0x7ff) { ++ r->start = 0; ++ r->end = 0x3fffff; ++ r->flags |= IORESOURCE_UNSET; ++ } ++} ++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x19e1, quirk_intel_th_dnv); ++ + #ifdef CONFIG_PHYS_ADDR_T_64BIT + + #define AMD_141b_MMIO_BASE(x) (0x80 + (x) * 0x8) +diff --git a/arch/xtensa/configs/smp_lx200_defconfig b/arch/xtensa/configs/smp_lx200_defconfig +index 11fed6c06a7c..b5938160fb3d 100644 +--- a/arch/xtensa/configs/smp_lx200_defconfig ++++ b/arch/xtensa/configs/smp_lx200_defconfig +@@ -33,6 +33,7 @@ CONFIG_SMP=y + CONFIG_HOTPLUG_CPU=y + # CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is not set + # CONFIG_PCI is not set ++CONFIG_VECTORS_OFFSET=0x00002000 + CONFIG_XTENSA_PLATFORM_XTFPGA=y + CONFIG_CMDLINE_BOOL=y + CONFIG_CMDLINE="earlycon=uart8250,mmio32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=96M@0" +diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S +index 9053a5622d2c..5bd38ea2da38 100644 +--- a/arch/xtensa/kernel/head.S ++++ b/arch/xtensa/kernel/head.S +@@ -280,12 +280,13 @@ should_never_return: + + movi a2, cpu_start_ccount + 1: ++ memw + l32i a3, a2, 0 + beqi a3, 0, 1b + movi a3, 0 + s32i a3, a2, 0 +- memw + 1: ++ memw + l32i a3, a2, 0 + beqi a3, 0, 1b + wsr a3, ccount +@@ -321,11 +322,13 @@ ENTRY(cpu_restart) + rsr a0, prid + neg a2, a0 + movi a3, cpu_start_id ++ memw + s32i a2, a3, 0 + #if XCHAL_DCACHE_IS_WRITEBACK + dhwbi a3, 0 + #endif + 1: ++ memw + l32i a2, a3, 0 + dhi a3, 0 + bne a2, a0, 1b +diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c +index 932d64689bac..be1f280c322c 100644 +--- a/arch/xtensa/kernel/smp.c ++++ b/arch/xtensa/kernel/smp.c +@@ -83,7 +83,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) + { + unsigned i; + +- for (i = 0; i < max_cpus; ++i) ++ for_each_possible_cpu(i) + set_cpu_present(i, true); + } + +@@ -96,6 +96,11 @@ void __init smp_init_cpus(void) + pr_info("%s: Core Count = %d\n", __func__, ncpus); + pr_info("%s: Core Id = %d\n", __func__, core_id); + ++ if (ncpus > NR_CPUS) { ++ ncpus = NR_CPUS; ++ pr_info("%s: limiting core count by %d\n", __func__, ncpus); ++ } ++ + for (i = 0; i < ncpus; ++i) + set_cpu_possible(i, true); + } +@@ -195,9 +200,11 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts) + int i; + + #ifdef CONFIG_HOTPLUG_CPU +- cpu_start_id = cpu; +- system_flush_invalidate_dcache_range( +- (unsigned long)&cpu_start_id, sizeof(cpu_start_id)); ++ WRITE_ONCE(cpu_start_id, cpu); ++ /* Pairs with the third memw in the cpu_restart */ ++ mb(); ++ system_flush_invalidate_dcache_range((unsigned long)&cpu_start_id, ++ sizeof(cpu_start_id)); + #endif + smp_call_function_single(0, mx_cpu_start, (void *)cpu, 1); + +@@ -206,18 +213,21 @@ static int boot_secondary(unsigned int cpu, struct task_struct *ts) + ccount = get_ccount(); + while (!ccount); + +- cpu_start_ccount = ccount; ++ WRITE_ONCE(cpu_start_ccount, ccount); + +- while (time_before(jiffies, timeout)) { ++ do { ++ /* ++ * Pairs with the first two memws in the ++ * .Lboot_secondary. ++ */ + mb(); +- if (!cpu_start_ccount) +- break; +- } ++ ccount = READ_ONCE(cpu_start_ccount); ++ } while (ccount && time_before(jiffies, timeout)); + +- if (cpu_start_ccount) { ++ if (ccount) { + smp_call_function_single(0, mx_cpu_stop, +- (void *)cpu, 1); +- cpu_start_ccount = 0; ++ (void *)cpu, 1); ++ WRITE_ONCE(cpu_start_ccount, 0); + return -EIO; + } + } +@@ -237,6 +247,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) + pr_debug("%s: Calling wakeup_secondary(cpu:%d, idle:%p, sp: %08lx)\n", + __func__, cpu, idle, start_info.stack); + ++ init_completion(&cpu_running); + ret = boot_secondary(cpu, idle); + if (ret == 0) { + wait_for_completion_timeout(&cpu_running, +@@ -298,8 +309,10 @@ void __cpu_die(unsigned int cpu) + unsigned long timeout = jiffies + msecs_to_jiffies(1000); + while (time_before(jiffies, timeout)) { + system_invalidate_dcache_range((unsigned long)&cpu_start_id, +- sizeof(cpu_start_id)); +- if (cpu_start_id == -cpu) { ++ sizeof(cpu_start_id)); ++ /* Pairs with the second memw in the cpu_restart */ ++ mb(); ++ if (READ_ONCE(cpu_start_id) == -cpu) { + platform_cpu_kill(cpu); + return; + } +diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c +index fd524a54d2ab..378186b5eb40 100644 +--- a/arch/xtensa/kernel/time.c ++++ b/arch/xtensa/kernel/time.c +@@ -89,7 +89,7 @@ static int ccount_timer_shutdown(struct clock_event_device *evt) + container_of(evt, struct ccount_timer, evt); + + if (timer->irq_enabled) { +- disable_irq(evt->irq); ++ disable_irq_nosync(evt->irq); + timer->irq_enabled = 0; + } + return 0; +diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c +index 19923f8a029d..b154e057ca67 100644 +--- a/block/blk-iolatency.c ++++ b/block/blk-iolatency.c +@@ -72,6 +72,7 @@ + #include <linux/sched/loadavg.h> + #include <linux/sched/signal.h> + #include <trace/events/block.h> ++#include <linux/blk-mq.h> + #include "blk-rq-qos.h" + #include "blk-stat.h" + +@@ -568,6 +569,9 @@ static void blkcg_iolatency_done_bio(struct rq_qos *rqos, struct bio *bio) + return; + + enabled = blk_iolatency_enabled(iolat->blkiolat); ++ if (!enabled) ++ return; ++ + while (blkg && blkg->parent) { + iolat = blkg_to_lat(blkg); + if (!iolat) { +@@ -577,7 +581,7 @@ static void blkcg_iolatency_done_bio(struct rq_qos *rqos, struct bio *bio) + rqw = &iolat->rq_wait; + + atomic_dec(&rqw->inflight); +- if (!enabled || iolat->min_lat_nsec == 0) ++ if (iolat->min_lat_nsec == 0) + goto next; + iolatency_record_time(iolat, &bio->bi_issue, now, + issue_as_root); +@@ -721,10 +725,13 @@ int blk_iolatency_init(struct request_queue *q) + return 0; + } + +-static void iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val) ++/* ++ * return 1 for enabling iolatency, return -1 for disabling iolatency, otherwise ++ * return 0. ++ */ ++static int iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val) + { + struct iolatency_grp *iolat = blkg_to_lat(blkg); +- struct blk_iolatency *blkiolat = iolat->blkiolat; + u64 oldval = iolat->min_lat_nsec; + + iolat->min_lat_nsec = val; +@@ -733,9 +740,10 @@ static void iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val) + BLKIOLATENCY_MAX_WIN_SIZE); + + if (!oldval && val) +- atomic_inc(&blkiolat->enabled); ++ return 1; + if (oldval && !val) +- atomic_dec(&blkiolat->enabled); ++ return -1; ++ return 0; + } + + static void iolatency_clear_scaling(struct blkcg_gq *blkg) +@@ -768,6 +776,7 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf, + u64 lat_val = 0; + u64 oldval; + int ret; ++ int enable = 0; + + ret = blkg_conf_prep(blkcg, &blkcg_policy_iolatency, buf, &ctx); + if (ret) +@@ -803,7 +812,12 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf, + blkg = ctx.blkg; + oldval = iolat->min_lat_nsec; + +- iolatency_set_min_lat_nsec(blkg, lat_val); ++ enable = iolatency_set_min_lat_nsec(blkg, lat_val); ++ if (enable) { ++ WARN_ON_ONCE(!blk_get_queue(blkg->q)); ++ blkg_get(blkg); ++ } ++ + if (oldval != iolat->min_lat_nsec) { + iolatency_clear_scaling(blkg); + } +@@ -811,6 +825,24 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf, + ret = 0; + out: + blkg_conf_finish(&ctx); ++ if (ret == 0 && enable) { ++ struct iolatency_grp *tmp = blkg_to_lat(blkg); ++ struct blk_iolatency *blkiolat = tmp->blkiolat; ++ ++ blk_mq_freeze_queue(blkg->q); ++ ++ if (enable == 1) ++ atomic_inc(&blkiolat->enabled); ++ else if (enable == -1) ++ atomic_dec(&blkiolat->enabled); ++ else ++ WARN_ON_ONCE(1); ++ ++ blk_mq_unfreeze_queue(blkg->q); ++ ++ blkg_put(blkg); ++ blk_put_queue(blkg->q); ++ } + return ret ?: nbytes; + } + +@@ -910,8 +942,14 @@ static void iolatency_pd_offline(struct blkg_policy_data *pd) + { + struct iolatency_grp *iolat = pd_to_lat(pd); + struct blkcg_gq *blkg = lat_to_blkg(iolat); ++ struct blk_iolatency *blkiolat = iolat->blkiolat; ++ int ret; + +- iolatency_set_min_lat_nsec(blkg, 0); ++ ret = iolatency_set_min_lat_nsec(blkg, 0); ++ if (ret == 1) ++ atomic_inc(&blkiolat->enabled); ++ if (ret == -1) ++ atomic_dec(&blkiolat->enabled); + iolatency_clear_scaling(blkg); + } + +diff --git a/drivers/base/dd.c b/drivers/base/dd.c +index 7caa1adaf62a..f5b74856784a 100644 +--- a/drivers/base/dd.c ++++ b/drivers/base/dd.c +@@ -963,9 +963,9 @@ static void __device_release_driver(struct device *dev, struct device *parent) + drv->remove(dev); + + device_links_driver_cleanup(dev); +- dma_deconfigure(dev); + + devres_release_all(dev); ++ dma_deconfigure(dev); + dev->driver = NULL; + dev_set_drvdata(dev, NULL); + if (dev->pm_domain && dev->pm_domain->dismiss) +diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c +index fa1a196350f1..3bf11a620094 100644 +--- a/drivers/clk/qcom/gcc-sdm845.c ++++ b/drivers/clk/qcom/gcc-sdm845.c +@@ -131,8 +131,8 @@ static const char * const gcc_parent_names_6[] = { + "core_bi_pll_test_se", + }; + +-static const char * const gcc_parent_names_7[] = { +- "bi_tcxo", ++static const char * const gcc_parent_names_7_ao[] = { ++ "bi_tcxo_ao", + "gpll0", + "gpll0_out_even", + "core_bi_pll_test_se", +@@ -144,6 +144,12 @@ static const char * const gcc_parent_names_8[] = { + "core_bi_pll_test_se", + }; + ++static const char * const gcc_parent_names_8_ao[] = { ++ "bi_tcxo_ao", ++ "gpll0", ++ "core_bi_pll_test_se", ++}; ++ + static const struct parent_map gcc_parent_map_10[] = { + { P_BI_TCXO, 0 }, + { P_GPLL0_OUT_MAIN, 1 }, +@@ -226,7 +232,7 @@ static struct clk_rcg2 gcc_cpuss_ahb_clk_src = { + .freq_tbl = ftbl_gcc_cpuss_ahb_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gcc_cpuss_ahb_clk_src", +- .parent_names = gcc_parent_names_7, ++ .parent_names = gcc_parent_names_7_ao, + .num_parents = 4, + .ops = &clk_rcg2_ops, + }, +@@ -245,7 +251,7 @@ static struct clk_rcg2 gcc_cpuss_rbcpr_clk_src = { + .freq_tbl = ftbl_gcc_cpuss_rbcpr_clk_src, + .clkr.hw.init = &(struct clk_init_data){ + .name = "gcc_cpuss_rbcpr_clk_src", +- .parent_names = gcc_parent_names_8, ++ .parent_names = gcc_parent_names_8_ao, + .num_parents = 3, + .ops = &clk_rcg2_ops, + }, +diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c +index ccfb4d9a152a..079f0beda8b6 100644 +--- a/drivers/clk/ti/divider.c ++++ b/drivers/clk/ti/divider.c +@@ -367,8 +367,10 @@ int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div, + num_dividers = i; + + tmp = kcalloc(valid_div + 1, sizeof(*tmp), GFP_KERNEL); +- if (!tmp) ++ if (!tmp) { ++ *table = ERR_PTR(-ENOMEM); + return -ENOMEM; ++ } + + valid_div = 0; + *width = 0; +@@ -403,6 +405,7 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) + { + struct clk_omap_divider *div; + struct clk_omap_reg *reg; ++ int ret; + + if (!setup) + return NULL; +@@ -422,6 +425,12 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) + div->flags |= CLK_DIVIDER_POWER_OF_TWO; + + div->table = _get_div_table_from_setup(setup, &div->width); ++ if (IS_ERR(div->table)) { ++ ret = PTR_ERR(div->table); ++ kfree(div); ++ return ERR_PTR(ret); ++ } ++ + + div->shift = setup->bit_shift; + div->latch = -EINVAL; +diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c +index 4bf72561667c..a75b95fac3bd 100644 +--- a/drivers/dma/at_xdmac.c ++++ b/drivers/dma/at_xdmac.c +@@ -203,6 +203,7 @@ struct at_xdmac_chan { + u32 save_cim; + u32 save_cnda; + u32 save_cndc; ++ u32 irq_status; + unsigned long status; + struct tasklet_struct tasklet; + struct dma_slave_config sconfig; +@@ -1580,8 +1581,8 @@ static void at_xdmac_tasklet(unsigned long data) + struct at_xdmac_desc *desc; + u32 error_mask; + +- dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08lx\n", +- __func__, atchan->status); ++ dev_dbg(chan2dev(&atchan->chan), "%s: status=0x%08x\n", ++ __func__, atchan->irq_status); + + error_mask = AT_XDMAC_CIS_RBEIS + | AT_XDMAC_CIS_WBEIS +@@ -1589,15 +1590,15 @@ static void at_xdmac_tasklet(unsigned long data) + + if (at_xdmac_chan_is_cyclic(atchan)) { + at_xdmac_handle_cyclic(atchan); +- } else if ((atchan->status & AT_XDMAC_CIS_LIS) +- || (atchan->status & error_mask)) { ++ } else if ((atchan->irq_status & AT_XDMAC_CIS_LIS) ++ || (atchan->irq_status & error_mask)) { + struct dma_async_tx_descriptor *txd; + +- if (atchan->status & AT_XDMAC_CIS_RBEIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_RBEIS) + dev_err(chan2dev(&atchan->chan), "read bus error!!!"); +- if (atchan->status & AT_XDMAC_CIS_WBEIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_WBEIS) + dev_err(chan2dev(&atchan->chan), "write bus error!!!"); +- if (atchan->status & AT_XDMAC_CIS_ROIS) ++ if (atchan->irq_status & AT_XDMAC_CIS_ROIS) + dev_err(chan2dev(&atchan->chan), "request overflow error!!!"); + + spin_lock_bh(&atchan->lock); +@@ -1652,7 +1653,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) + atchan = &atxdmac->chan[i]; + chan_imr = at_xdmac_chan_read(atchan, AT_XDMAC_CIM); + chan_status = at_xdmac_chan_read(atchan, AT_XDMAC_CIS); +- atchan->status = chan_status & chan_imr; ++ atchan->irq_status = chan_status & chan_imr; + dev_vdbg(atxdmac->dma.dev, + "%s: chan%d: imr=0x%x, status=0x%x\n", + __func__, i, chan_imr, chan_status); +@@ -1666,7 +1667,7 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id) + at_xdmac_chan_read(atchan, AT_XDMAC_CDA), + at_xdmac_chan_read(atchan, AT_XDMAC_CUBC)); + +- if (atchan->status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) ++ if (atchan->irq_status & (AT_XDMAC_CIS_RBEIS | AT_XDMAC_CIS_WBEIS)) + at_xdmac_write(atxdmac, AT_XDMAC_GD, atchan->mask); + + tasklet_schedule(&atchan->tasklet); +diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c +index aa1712beb0cc..7b7fba0c9253 100644 +--- a/drivers/dma/dmatest.c ++++ b/drivers/dma/dmatest.c +@@ -642,11 +642,9 @@ static int dmatest_func(void *data) + srcs[i] = um->addr[i] + src_off; + ret = dma_mapping_error(dev->dev, um->addr[i]); + if (ret) { +- dmaengine_unmap_put(um); + result("src mapping error", total_tests, + src_off, dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + um->to_cnt++; + } +@@ -661,11 +659,9 @@ static int dmatest_func(void *data) + DMA_BIDIRECTIONAL); + ret = dma_mapping_error(dev->dev, dsts[i]); + if (ret) { +- dmaengine_unmap_put(um); + result("dst mapping error", total_tests, + src_off, dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + um->bidi_cnt++; + } +@@ -693,12 +689,10 @@ static int dmatest_func(void *data) + } + + if (!tx) { +- dmaengine_unmap_put(um); + result("prep error", total_tests, src_off, + dst_off, len, ret); + msleep(100); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + + done->done = false; +@@ -707,12 +701,10 @@ static int dmatest_func(void *data) + cookie = tx->tx_submit(tx); + + if (dma_submit_error(cookie)) { +- dmaengine_unmap_put(um); + result("submit error", total_tests, src_off, + dst_off, len, ret); + msleep(100); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + dma_async_issue_pending(chan); + +@@ -725,16 +717,14 @@ static int dmatest_func(void *data) + dmaengine_unmap_put(um); + result("test timed out", total_tests, src_off, dst_off, + len, 0); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } else if (status != DMA_COMPLETE) { + dmaengine_unmap_put(um); + result(status == DMA_ERROR ? + "completion error status" : + "completion busy status", total_tests, src_off, + dst_off, len, ret); +- failed_tests++; +- continue; ++ goto error_unmap_continue; + } + + dmaengine_unmap_put(um); +@@ -779,6 +769,12 @@ static int dmatest_func(void *data) + verbose_result("test passed", total_tests, src_off, + dst_off, len, 0); + } ++ ++ continue; ++ ++error_unmap_continue: ++ dmaengine_unmap_put(um); ++ failed_tests++; + } + ktime = ktime_sub(ktime_get(), ktime); + ktime = ktime_sub(ktime, comparetime); +diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c +index 6bc8e6640d71..c51462f5aa1e 100644 +--- a/drivers/firmware/iscsi_ibft.c ++++ b/drivers/firmware/iscsi_ibft.c +@@ -542,6 +542,7 @@ static umode_t __init ibft_check_tgt_for(void *data, int type) + case ISCSI_BOOT_TGT_NIC_ASSOC: + case ISCSI_BOOT_TGT_CHAP_TYPE: + rc = S_IRUGO; ++ break; + case ISCSI_BOOT_TGT_NAME: + if (tgt->tgt_name_len) + rc = S_IRUGO; +diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c +index d4ad6d0e02a2..7e09ce75ffb2 100644 +--- a/drivers/gpio/gpio-vf610.c ++++ b/drivers/gpio/gpio-vf610.c +@@ -259,6 +259,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) + struct vf610_gpio_port *port; + struct resource *iores; + struct gpio_chip *gc; ++ int i; + int ret; + + port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL); +@@ -298,6 +299,10 @@ static int vf610_gpio_probe(struct platform_device *pdev) + if (ret < 0) + return ret; + ++ /* Mask all GPIO interrupts */ ++ for (i = 0; i < gc->ngpio; i++) ++ vf610_gpio_writel(0, port->base + PORT_PCR(i)); ++ + /* Clear the interrupt status register for all GPIO's */ + vf610_gpio_writel(~0, port->base + PORT_ISFR); + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +index 7b4e657a95c7..c3df75a9f65d 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +@@ -1443,7 +1443,8 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, + effective_mode &= ~S_IWUSR; + + if ((adev->flags & AMD_IS_APU) && +- (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || ++ (attr == &sensor_dev_attr_power1_average.dev_attr.attr || ++ attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || + attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr|| + attr == &sensor_dev_attr_power1_cap.dev_attr.attr)) + return 0; +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +index 1c5d97f4b4dd..8dcf6227ab99 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c +@@ -37,6 +37,7 @@ + #include "amdgpu_display.h" + #include <drm/amdgpu_drm.h> + #include <linux/dma-buf.h> ++#include <linux/dma-fence-array.h> + + static const struct dma_buf_ops amdgpu_dmabuf_ops; + +@@ -188,6 +189,48 @@ error: + return ERR_PTR(ret); + } + ++static int ++__reservation_object_make_exclusive(struct reservation_object *obj) ++{ ++ struct dma_fence **fences; ++ unsigned int count; ++ int r; ++ ++ if (!reservation_object_get_list(obj)) /* no shared fences to convert */ ++ return 0; ++ ++ r = reservation_object_get_fences_rcu(obj, NULL, &count, &fences); ++ if (r) ++ return r; ++ ++ if (count == 0) { ++ /* Now that was unexpected. */ ++ } else if (count == 1) { ++ reservation_object_add_excl_fence(obj, fences[0]); ++ dma_fence_put(fences[0]); ++ kfree(fences); ++ } else { ++ struct dma_fence_array *array; ++ ++ array = dma_fence_array_create(count, fences, ++ dma_fence_context_alloc(1), 0, ++ false); ++ if (!array) ++ goto err_fences_put; ++ ++ reservation_object_add_excl_fence(obj, &array->base); ++ dma_fence_put(&array->base); ++ } ++ ++ return 0; ++ ++err_fences_put: ++ while (count--) ++ dma_fence_put(fences[count]); ++ kfree(fences); ++ return -ENOMEM; ++} ++ + /** + * amdgpu_gem_map_attach - &dma_buf_ops.attach implementation + * @dma_buf: shared DMA buffer +@@ -219,16 +262,16 @@ static int amdgpu_gem_map_attach(struct dma_buf *dma_buf, + + if (attach->dev->driver != adev->dev->driver) { + /* +- * Wait for all shared fences to complete before we switch to future +- * use of exclusive fence on this prime shared bo. ++ * We only create shared fences for internal use, but importers ++ * of the dmabuf rely on exclusive fences for implicitly ++ * tracking write hazards. As any of the current fences may ++ * correspond to a write, we need to convert all existing ++ * fences on the reservation object into a single exclusive ++ * fence. + */ +- r = reservation_object_wait_timeout_rcu(bo->tbo.resv, +- true, false, +- MAX_SCHEDULE_TIMEOUT); +- if (unlikely(r < 0)) { +- DRM_DEBUG_PRIME("Fence wait failed: %li\n", r); ++ r = __reservation_object_make_exclusive(bo->tbo.resv); ++ if (r) + goto error_unreserve; +- } + } + + /* pin buffer into GTT */ +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index 6a84526e20e0..49fe5084c53d 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -3011,14 +3011,15 @@ void amdgpu_vm_get_task_info(struct amdgpu_device *adev, unsigned int pasid, + struct amdgpu_task_info *task_info) + { + struct amdgpu_vm *vm; ++ unsigned long flags; + +- spin_lock(&adev->vm_manager.pasid_lock); ++ spin_lock_irqsave(&adev->vm_manager.pasid_lock, flags); + + vm = idr_find(&adev->vm_manager.pasid_idr, pasid); + if (vm) + *task_info = vm->task_info; + +- spin_unlock(&adev->vm_manager.pasid_lock); ++ spin_unlock_irqrestore(&adev->vm_manager.pasid_lock, flags); + } + + /** +diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c +index d587779a80b4..a97294ac96d5 100644 +--- a/drivers/gpu/drm/radeon/ci_dpm.c ++++ b/drivers/gpu/drm/radeon/ci_dpm.c +@@ -5676,7 +5676,7 @@ int ci_dpm_init(struct radeon_device *rdev) + u16 data_offset, size; + u8 frev, crev; + struct ci_power_info *pi; +- enum pci_bus_speed speed_cap; ++ enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; + struct pci_dev *root = rdev->pdev->bus->self; + int ret; + +@@ -5685,7 +5685,8 @@ int ci_dpm_init(struct radeon_device *rdev) + return -ENOMEM; + rdev->pm.dpm.priv = pi; + +- speed_cap = pcie_get_speed_cap(root); ++ if (!pci_is_root_bus(rdev->pdev->bus)) ++ speed_cap = pcie_get_speed_cap(root); + if (speed_cap == PCI_SPEED_UNKNOWN) { + pi->sys_pcie_mask = 0; + } else { +diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c +index 8fb60b3af015..0a785ef0ab66 100644 +--- a/drivers/gpu/drm/radeon/si_dpm.c ++++ b/drivers/gpu/drm/radeon/si_dpm.c +@@ -6899,7 +6899,7 @@ int si_dpm_init(struct radeon_device *rdev) + struct ni_power_info *ni_pi; + struct si_power_info *si_pi; + struct atom_clock_dividers dividers; +- enum pci_bus_speed speed_cap; ++ enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; + struct pci_dev *root = rdev->pdev->bus->self; + int ret; + +@@ -6911,7 +6911,8 @@ int si_dpm_init(struct radeon_device *rdev) + eg_pi = &ni_pi->eg; + pi = &eg_pi->rv7xx; + +- speed_cap = pcie_get_speed_cap(root); ++ if (!pci_is_root_bus(rdev->pdev->bus)) ++ speed_cap = pcie_get_speed_cap(root); + if (speed_cap == PCI_SPEED_UNKNOWN) { + si_pi->sys_pcie_mask = 0; + } else { +diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c +index 3fb084f802e2..8c31c9ab06f8 100644 +--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c ++++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c +@@ -672,6 +672,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, + return PTR_ERR(tcon->sclk0); + } + } ++ clk_prepare_enable(tcon->sclk0); + + if (tcon->quirks->has_channel_1) { + tcon->sclk1 = devm_clk_get(dev, "tcon-ch1"); +@@ -686,6 +687,7 @@ static int sun4i_tcon_init_clocks(struct device *dev, + + static void sun4i_tcon_free_clocks(struct sun4i_tcon *tcon) + { ++ clk_disable_unprepare(tcon->sclk0); + clk_disable_unprepare(tcon->clk); + } + +diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c +index 65d06a819307..2ac86096ddd9 100644 +--- a/drivers/i2c/busses/i2c-omap.c ++++ b/drivers/i2c/busses/i2c-omap.c +@@ -1498,8 +1498,7 @@ static int omap_i2c_remove(struct platform_device *pdev) + return 0; + } + +-#ifdef CONFIG_PM +-static int omap_i2c_runtime_suspend(struct device *dev) ++static int __maybe_unused omap_i2c_runtime_suspend(struct device *dev) + { + struct omap_i2c_dev *omap = dev_get_drvdata(dev); + +@@ -1525,7 +1524,7 @@ static int omap_i2c_runtime_suspend(struct device *dev) + return 0; + } + +-static int omap_i2c_runtime_resume(struct device *dev) ++static int __maybe_unused omap_i2c_runtime_resume(struct device *dev) + { + struct omap_i2c_dev *omap = dev_get_drvdata(dev); + +@@ -1540,20 +1539,18 @@ static int omap_i2c_runtime_resume(struct device *dev) + } + + static const struct dev_pm_ops omap_i2c_pm_ops = { ++ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, ++ pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(omap_i2c_runtime_suspend, + omap_i2c_runtime_resume, NULL) + }; +-#define OMAP_I2C_PM_OPS (&omap_i2c_pm_ops) +-#else +-#define OMAP_I2C_PM_OPS NULL +-#endif /* CONFIG_PM */ + + static struct platform_driver omap_i2c_driver = { + .probe = omap_i2c_probe, + .remove = omap_i2c_remove, + .driver = { + .name = "omap_i2c", +- .pm = OMAP_I2C_PM_OPS, ++ .pm = &omap_i2c_pm_ops, + .of_match_table = of_match_ptr(omap_i2c_of_match), + }, + }; +diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c +index 70d39fc450a1..54eb69564264 100644 +--- a/drivers/infiniband/hw/hfi1/ud.c ++++ b/drivers/infiniband/hw/hfi1/ud.c +@@ -980,7 +980,6 @@ void hfi1_ud_rcv(struct hfi1_packet *packet) + opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { + wc.ex.imm_data = packet->ohdr->u.ud.imm_data; + wc.wc_flags = IB_WC_WITH_IMM; +- tlen -= sizeof(u32); + } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { + wc.ex.imm_data = 0; + wc.wc_flags = 0; +diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c +index f8d029a2390f..bce2b5cd3c7b 100644 +--- a/drivers/infiniband/hw/qib/qib_ud.c ++++ b/drivers/infiniband/hw/qib/qib_ud.c +@@ -513,7 +513,6 @@ void qib_ud_rcv(struct qib_ibport *ibp, struct ib_header *hdr, + opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) { + wc.ex.imm_data = ohdr->u.ud.imm_data; + wc.wc_flags = IB_WC_WITH_IMM; +- tlen -= sizeof(u32); + } else if (opcode == IB_OPCODE_UD_SEND_ONLY) { + wc.ex.imm_data = 0; + wc.wc_flags = 0; +diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h +index 1abe3c62f106..b22d02c9de90 100644 +--- a/drivers/infiniband/ulp/ipoib/ipoib.h ++++ b/drivers/infiniband/ulp/ipoib/ipoib.h +@@ -248,7 +248,6 @@ struct ipoib_cm_tx { + struct list_head list; + struct net_device *dev; + struct ipoib_neigh *neigh; +- struct ipoib_path *path; + struct ipoib_tx_buf *tx_ring; + unsigned int tx_head; + unsigned int tx_tail; +diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c +index 0428e01e8f69..aa9dcfc36cd3 100644 +--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c ++++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c +@@ -1312,7 +1312,6 @@ struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path + + neigh->cm = tx; + tx->neigh = neigh; +- tx->path = path; + tx->dev = dev; + list_add(&tx->list, &priv->cm.start_list); + set_bit(IPOIB_FLAG_INITIALIZED, &tx->flags); +@@ -1371,7 +1370,7 @@ static void ipoib_cm_tx_start(struct work_struct *work) + neigh->daddr + QPN_AND_OPTIONS_OFFSET); + goto free_neigh; + } +- memcpy(&pathrec, &p->path->pathrec, sizeof(pathrec)); ++ memcpy(&pathrec, &path->pathrec, sizeof(pathrec)); + + spin_unlock_irqrestore(&priv->lock, flags); + netif_tx_unlock_bh(dev); +diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c +index 225ae6980182..628ef617bb2f 100644 +--- a/drivers/input/mouse/elan_i2c_core.c ++++ b/drivers/input/mouse/elan_i2c_core.c +@@ -1337,6 +1337,7 @@ static const struct acpi_device_id elan_acpi_id[] = { + { "ELAN0000", 0 }, + { "ELAN0100", 0 }, + { "ELAN0600", 0 }, ++ { "ELAN0601", 0 }, + { "ELAN0602", 0 }, + { "ELAN0605", 0 }, + { "ELAN0608", 0 }, +diff --git a/drivers/input/tablet/wacom_serial4.c b/drivers/input/tablet/wacom_serial4.c +index 38bfaca48eab..150f9eecaca7 100644 +--- a/drivers/input/tablet/wacom_serial4.c ++++ b/drivers/input/tablet/wacom_serial4.c +@@ -187,6 +187,7 @@ enum { + MODEL_DIGITIZER_II = 0x5544, /* UD */ + MODEL_GRAPHIRE = 0x4554, /* ET */ + MODEL_PENPARTNER = 0x4354, /* CT */ ++ MODEL_ARTPAD_II = 0x4B54, /* KT */ + }; + + static void wacom_handle_model_response(struct wacom *wacom) +@@ -245,6 +246,7 @@ static void wacom_handle_model_response(struct wacom *wacom) + wacom->flags = F_HAS_STYLUS2 | F_HAS_SCROLLWHEEL; + break; + ++ case MODEL_ARTPAD_II: + case MODEL_DIGITIZER_II: + wacom->dev->name = "Wacom Digitizer II"; + wacom->dev->id.version = MODEL_DIGITIZER_II; +diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c +index 34c9aa76a7bd..27500abe8ca7 100644 +--- a/drivers/iommu/amd_iommu.c ++++ b/drivers/iommu/amd_iommu.c +@@ -1929,16 +1929,13 @@ static void do_attach(struct iommu_dev_data *dev_data, + + static void do_detach(struct iommu_dev_data *dev_data) + { ++ struct protection_domain *domain = dev_data->domain; + struct amd_iommu *iommu; + u16 alias; + + iommu = amd_iommu_rlookup_table[dev_data->devid]; + alias = dev_data->alias; + +- /* decrease reference counters */ +- dev_data->domain->dev_iommu[iommu->index] -= 1; +- dev_data->domain->dev_cnt -= 1; +- + /* Update data structures */ + dev_data->domain = NULL; + list_del(&dev_data->list); +@@ -1948,6 +1945,16 @@ static void do_detach(struct iommu_dev_data *dev_data) + + /* Flush the DTE entry */ + device_flush_dte(dev_data); ++ ++ /* Flush IOTLB */ ++ domain_flush_tlb_pde(domain); ++ ++ /* Wait for the flushes to finish */ ++ domain_flush_complete(domain); ++ ++ /* decrease reference counters - needs to happen after the flushes */ ++ domain->dev_iommu[iommu->index] -= 1; ++ domain->dev_cnt -= 1; + } + + /* +@@ -2555,13 +2562,13 @@ out_unmap: + bus_addr = address + s->dma_address + (j << PAGE_SHIFT); + iommu_unmap_page(domain, bus_addr, PAGE_SIZE); + +- if (--mapped_pages) ++ if (--mapped_pages == 0) + goto out_free_iova; + } + } + + out_free_iova: +- free_iova_fast(&dma_dom->iovad, address, npages); ++ free_iova_fast(&dma_dom->iovad, address >> PAGE_SHIFT, npages); + + out_err: + return 0; +diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c +index 4c2246fe5dbe..15579cba1a88 100644 +--- a/drivers/irqchip/irq-gic-v3-its.c ++++ b/drivers/irqchip/irq-gic-v3-its.c +@@ -1581,6 +1581,9 @@ static unsigned long *its_lpi_alloc(int nr_irqs, u32 *base, int *nr_ids) + nr_irqs /= 2; + } while (nr_irqs > 0); + ++ if (!nr_irqs) ++ err = -ENOSPC; ++ + if (err) + goto out; + +@@ -1951,6 +1954,29 @@ static void its_free_pending_table(struct page *pt) + get_order(max_t(u32, LPI_PENDBASE_SZ, SZ_64K))); + } + ++static u64 its_clear_vpend_valid(void __iomem *vlpi_base) ++{ ++ u32 count = 1000000; /* 1s! */ ++ bool clean; ++ u64 val; ++ ++ val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); ++ val &= ~GICR_VPENDBASER_Valid; ++ gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER); ++ ++ do { ++ val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); ++ clean = !(val & GICR_VPENDBASER_Dirty); ++ if (!clean) { ++ count--; ++ cpu_relax(); ++ udelay(1); ++ } ++ } while (!clean && count); ++ ++ return val; ++} ++ + static void its_cpu_init_lpis(void) + { + void __iomem *rbase = gic_data_rdist_rd_base(); +@@ -2024,6 +2050,30 @@ static void its_cpu_init_lpis(void) + val |= GICR_CTLR_ENABLE_LPIS; + writel_relaxed(val, rbase + GICR_CTLR); + ++ if (gic_rdists->has_vlpis) { ++ void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); ++ ++ /* ++ * It's possible for CPU to receive VLPIs before it is ++ * sheduled as a vPE, especially for the first CPU, and the ++ * VLPI with INTID larger than 2^(IDbits+1) will be considered ++ * as out of range and dropped by GIC. ++ * So we initialize IDbits to known value to avoid VLPI drop. ++ */ ++ val = (LPI_NRBITS - 1) & GICR_VPROPBASER_IDBITS_MASK; ++ pr_debug("GICv4: CPU%d: Init IDbits to 0x%llx for GICR_VPROPBASER\n", ++ smp_processor_id(), val); ++ gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER); ++ ++ /* ++ * Also clear Valid bit of GICR_VPENDBASER, in case some ++ * ancient programming gets left in and has possibility of ++ * corrupting memory. ++ */ ++ val = its_clear_vpend_valid(vlpi_base); ++ WARN_ON(val & GICR_VPENDBASER_Dirty); ++ } ++ + /* Make sure the GIC has seen the above */ + dsb(sy); + } +@@ -2644,26 +2694,11 @@ static void its_vpe_schedule(struct its_vpe *vpe) + static void its_vpe_deschedule(struct its_vpe *vpe) + { + void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); +- u32 count = 1000000; /* 1s! */ +- bool clean; + u64 val; + +- /* We're being scheduled out */ +- val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); +- val &= ~GICR_VPENDBASER_Valid; +- gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER); +- +- do { +- val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER); +- clean = !(val & GICR_VPENDBASER_Dirty); +- if (!clean) { +- count--; +- cpu_relax(); +- udelay(1); +- } +- } while (!clean && count); ++ val = its_clear_vpend_valid(vlpi_base); + +- if (unlikely(!clean && !count)) { ++ if (unlikely(val & GICR_VPENDBASER_Dirty)) { + pr_err_ratelimited("ITS virtual pending table not cleaning\n"); + vpe->idai = false; + vpe->pending_last = true; +diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c +index 25f32e1d7764..3496b61a312a 100644 +--- a/drivers/irqchip/irq-mmp.c ++++ b/drivers/irqchip/irq-mmp.c +@@ -34,6 +34,9 @@ + #define SEL_INT_PENDING (1 << 6) + #define SEL_INT_NUM_MASK 0x3f + ++#define MMP2_ICU_INT_ROUTE_PJ4_IRQ (1 << 5) ++#define MMP2_ICU_INT_ROUTE_PJ4_FIQ (1 << 6) ++ + struct icu_chip_data { + int nr_irqs; + unsigned int virq_base; +@@ -190,7 +193,8 @@ static const struct mmp_intc_conf mmp_conf = { + static const struct mmp_intc_conf mmp2_conf = { + .conf_enable = 0x20, + .conf_disable = 0x0, +- .conf_mask = 0x7f, ++ .conf_mask = MMP2_ICU_INT_ROUTE_PJ4_IRQ | ++ MMP2_ICU_INT_ROUTE_PJ4_FIQ, + }; + + static void __exception_irq_entry mmp_handle_irq(struct pt_regs *regs) +diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c +index 361abbc00486..6f1fd40fce10 100644 +--- a/drivers/media/usb/uvc/uvc_driver.c ++++ b/drivers/media/usb/uvc/uvc_driver.c +@@ -1065,11 +1065,19 @@ static int uvc_parse_standard_control(struct uvc_device *dev, + return -EINVAL; + } + +- /* Make sure the terminal type MSB is not null, otherwise it +- * could be confused with a unit. ++ /* ++ * Reject invalid terminal types that would cause issues: ++ * ++ * - The high byte must be non-zero, otherwise it would be ++ * confused with a unit. ++ * ++ * - Bit 15 must be 0, as we use it internally as a terminal ++ * direction flag. ++ * ++ * Other unknown types are accepted. + */ + type = get_unaligned_le16(&buffer[4]); +- if ((type & 0xff00) == 0) { ++ if ((type & 0x7f00) == 0 || (type & 0x8000) != 0) { + uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol " + "interface %d INPUT_TERMINAL %d has invalid " + "type 0x%04x, skipping\n", udev->devnum, +diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c +index 0fb986ba3290..0ae723f75341 100644 +--- a/drivers/net/ethernet/altera/altera_msgdma.c ++++ b/drivers/net/ethernet/altera/altera_msgdma.c +@@ -145,7 +145,8 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv) + & 0xffff; + + if (inuse) { /* Tx FIFO is not empty */ +- ready = priv->tx_prod - priv->tx_cons - inuse - 1; ++ ready = max_t(int, ++ priv->tx_prod - priv->tx_cons - inuse - 1, 0); + } else { + /* Check for buffered last packet */ + status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status)); +diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h +index 3d45f4c92cf6..9bbaad9f3d63 100644 +--- a/drivers/net/ethernet/cadence/macb.h ++++ b/drivers/net/ethernet/cadence/macb.h +@@ -643,6 +643,7 @@ + #define MACB_CAPS_JUMBO 0x00000020 + #define MACB_CAPS_GEM_HAS_PTP 0x00000040 + #define MACB_CAPS_BD_RD_PREFETCH 0x00000080 ++#define MACB_CAPS_NEEDS_RSTONUBR 0x00000100 + #define MACB_CAPS_FIFO_MODE 0x10000000 + #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 + #define MACB_CAPS_SG_DISABLED 0x40000000 +@@ -1214,6 +1215,8 @@ struct macb { + + int rx_bd_rd_prefetch; + int tx_bd_rd_prefetch; ++ ++ u32 rx_intr_mask; + }; + + #ifdef CONFIG_MACB_USE_HWSTAMP +diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c +index 8f4b2f9a8e07..8abea1c3844f 100644 +--- a/drivers/net/ethernet/cadence/macb_main.c ++++ b/drivers/net/ethernet/cadence/macb_main.c +@@ -56,8 +56,7 @@ + /* level of occupied TX descriptors under which we wake up TX process */ + #define MACB_TX_WAKEUP_THRESH(bp) (3 * (bp)->tx_ring_size / 4) + +-#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \ +- | MACB_BIT(ISR_ROVR)) ++#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(ISR_ROVR)) + #define MACB_TX_ERR_FLAGS (MACB_BIT(ISR_TUND) \ + | MACB_BIT(ISR_RLE) \ + | MACB_BIT(TXERR)) +@@ -1271,7 +1270,7 @@ static int macb_poll(struct napi_struct *napi, int budget) + queue_writel(queue, ISR, MACB_BIT(RCOMP)); + napi_reschedule(napi); + } else { +- queue_writel(queue, IER, MACB_RX_INT_FLAGS); ++ queue_writel(queue, IER, bp->rx_intr_mask); + } + } + +@@ -1289,7 +1288,7 @@ static void macb_hresp_error_task(unsigned long data) + u32 ctrl; + + for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) { +- queue_writel(queue, IDR, MACB_RX_INT_FLAGS | ++ queue_writel(queue, IDR, bp->rx_intr_mask | + MACB_TX_INT_FLAGS | + MACB_BIT(HRESP)); + } +@@ -1319,7 +1318,7 @@ static void macb_hresp_error_task(unsigned long data) + + /* Enable interrupts */ + queue_writel(queue, IER, +- MACB_RX_INT_FLAGS | ++ bp->rx_intr_mask | + MACB_TX_INT_FLAGS | + MACB_BIT(HRESP)); + } +@@ -1373,14 +1372,14 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) + (unsigned int)(queue - bp->queues), + (unsigned long)status); + +- if (status & MACB_RX_INT_FLAGS) { ++ if (status & bp->rx_intr_mask) { + /* There's no point taking any more interrupts + * until we have processed the buffers. The + * scheduling call may fail if the poll routine + * is already scheduled, so disable interrupts + * now. + */ +- queue_writel(queue, IDR, MACB_RX_INT_FLAGS); ++ queue_writel(queue, IDR, bp->rx_intr_mask); + if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) + queue_writel(queue, ISR, MACB_BIT(RCOMP)); + +@@ -1413,8 +1412,9 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) + /* There is a hardware issue under heavy load where DMA can + * stop, this causes endless "used buffer descriptor read" + * interrupts but it can be cleared by re-enabling RX. See +- * the at91 manual, section 41.3.1 or the Zynq manual +- * section 16.7.4 for details. ++ * the at91rm9200 manual, section 41.3.1 or the Zynq manual ++ * section 16.7.4 for details. RXUBR is only enabled for ++ * these two versions. + */ + if (status & MACB_BIT(RXUBR)) { + ctrl = macb_readl(bp, NCR); +@@ -2264,7 +2264,7 @@ static void macb_init_hw(struct macb *bp) + + /* Enable interrupts */ + queue_writel(queue, IER, +- MACB_RX_INT_FLAGS | ++ bp->rx_intr_mask | + MACB_TX_INT_FLAGS | + MACB_BIT(HRESP)); + } +@@ -3912,6 +3912,7 @@ static const struct macb_config sama5d4_config = { + }; + + static const struct macb_config emac_config = { ++ .caps = MACB_CAPS_NEEDS_RSTONUBR, + .clk_init = at91ether_clk_init, + .init = at91ether_init, + }; +@@ -3933,7 +3934,8 @@ static const struct macb_config zynqmp_config = { + }; + + static const struct macb_config zynq_config = { +- .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_NO_GIGABIT_HALF, ++ .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_NO_GIGABIT_HALF | ++ MACB_CAPS_NEEDS_RSTONUBR, + .dma_burst_length = 16, + .clk_init = macb_clk_init, + .init = macb_init, +@@ -4088,6 +4090,10 @@ static int macb_probe(struct platform_device *pdev) + macb_dma_desc_get_size(bp); + } + ++ bp->rx_intr_mask = MACB_RX_INT_FLAGS; ++ if (bp->caps & MACB_CAPS_NEEDS_RSTONUBR) ++ bp->rx_intr_mask |= MACB_BIT(RXUBR); ++ + mac = of_get_mac_address(np); + if (mac) { + ether_addr_copy(bp->dev->dev_addr, mac); +diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c +index 6242249c9f4c..b043370c2685 100644 +--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c ++++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c +@@ -2419,6 +2419,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) + out_notify_fail: + (void)cancel_work_sync(&priv->service_task); + out_read_prop_fail: ++ /* safe for ACPI FW */ ++ of_node_put(to_of_node(priv->fwnode)); + free_netdev(ndev); + return ret; + } +@@ -2448,6 +2450,9 @@ static int hns_nic_dev_remove(struct platform_device *pdev) + set_bit(NIC_STATE_REMOVING, &priv->state); + (void)cancel_work_sync(&priv->service_task); + ++ /* safe for ACPI FW */ ++ of_node_put(to_of_node(priv->fwnode)); ++ + free_netdev(ndev); + return 0; + } +diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +index 774beda040a1..e2710ff48fb0 100644 +--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c ++++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +@@ -1157,16 +1157,18 @@ static int hns_get_regs_len(struct net_device *net_dev) + */ + static int hns_nic_nway_reset(struct net_device *netdev) + { +- int ret = 0; + struct phy_device *phy = netdev->phydev; + +- if (netif_running(netdev)) { +- /* if autoneg is disabled, don't restart auto-negotiation */ +- if (phy && phy->autoneg == AUTONEG_ENABLE) +- ret = genphy_restart_aneg(phy); +- } ++ if (!netif_running(netdev)) ++ return 0; + +- return ret; ++ if (!phy) ++ return -EOPNOTSUPP; ++ ++ if (phy->autoneg != AUTONEG_ENABLE) ++ return -EINVAL; ++ ++ return genphy_restart_aneg(phy); + } + + static u32 +diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c +index 017e08452d8c..baf5cc251f32 100644 +--- a/drivers/net/ethernet/hisilicon/hns_mdio.c ++++ b/drivers/net/ethernet/hisilicon/hns_mdio.c +@@ -321,7 +321,7 @@ static int hns_mdio_read(struct mii_bus *bus, int phy_id, int regnum) + } + + hns_mdio_cmd_write(mdio_dev, is_c45, +- MDIO_C45_WRITE_ADDR, phy_id, devad); ++ MDIO_C45_READ, phy_id, devad); + } + + /* Step 5: waitting for MDIO_COMMAND_REG 's mdio_start==0,*/ +diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c +index 2f69ee9221c6..4dd82a1612aa 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c +@@ -473,19 +473,19 @@ static void qed_init_qm_pq(struct qed_hwfn *p_hwfn, + + /* get pq index according to PQ_FLAGS */ + static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn, +- u32 pq_flags) ++ unsigned long pq_flags) + { + struct qed_qm_info *qm_info = &p_hwfn->qm_info; + + /* Can't have multiple flags set here */ +- if (bitmap_weight((unsigned long *)&pq_flags, ++ if (bitmap_weight(&pq_flags, + sizeof(pq_flags) * BITS_PER_BYTE) > 1) { +- DP_ERR(p_hwfn, "requested multiple pq flags 0x%x\n", pq_flags); ++ DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags); + goto err; + } + + if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) { +- DP_ERR(p_hwfn, "pq flag 0x%x is not set\n", pq_flags); ++ DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags); + goto err; + } + +diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c +index 67c02ea93906..64ac95ca4df2 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c +@@ -609,6 +609,10 @@ qed_sp_update_accept_mode(struct qed_hwfn *p_hwfn, + (!!(accept_filter & QED_ACCEPT_MCAST_MATCHED) && + !!(accept_filter & QED_ACCEPT_MCAST_UNMATCHED))); + ++ SET_FIELD(state, ETH_VPORT_TX_MODE_UCAST_ACCEPT_ALL, ++ (!!(accept_filter & QED_ACCEPT_UCAST_MATCHED) && ++ !!(accept_filter & QED_ACCEPT_UCAST_UNMATCHED))); ++ + SET_FIELD(state, ETH_VPORT_TX_MODE_BCAST_ACCEPT_ALL, + !!(accept_filter & QED_ACCEPT_BCAST)); + +@@ -744,6 +748,11 @@ int qed_sp_vport_update(struct qed_hwfn *p_hwfn, + return rc; + } + ++ if (p_params->update_ctl_frame_check) { ++ p_cmn->ctl_frame_mac_check_en = p_params->mac_chk_en; ++ p_cmn->ctl_frame_ethtype_check_en = p_params->ethtype_chk_en; ++ } ++ + /* Update mcast bins for VFs, PF doesn't use this functionality */ + qed_sp_update_mcast_bin(p_hwfn, p_ramrod, p_params); + +@@ -2207,7 +2216,7 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, + u16 num_queues = 0; + + /* Since the feature controls only queue-zones, +- * make sure we have the contexts [rx, tx, xdp] to ++ * make sure we have the contexts [rx, xdp, tcs] to + * match. + */ + for_each_hwfn(cdev, i) { +@@ -2217,7 +2226,8 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev, + u16 cids; + + cids = hwfn->pf_params.eth_pf_params.num_cons; +- num_queues += min_t(u16, l2_queues, cids / 3); ++ cids /= (2 + info->num_tc); ++ num_queues += min_t(u16, l2_queues, cids); + } + + /* queues might theoretically be >256, but interrupts' +@@ -2688,7 +2698,8 @@ static int qed_configure_filter_rx_mode(struct qed_dev *cdev, + if (type == QED_FILTER_RX_MODE_TYPE_PROMISC) { + accept_flags.rx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED | + QED_ACCEPT_MCAST_UNMATCHED; +- accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; ++ accept_flags.tx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED | ++ QED_ACCEPT_MCAST_UNMATCHED; + } else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC) { + accept_flags.rx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; + accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED; +diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h +index 8d80f1095d17..7127d5aaac42 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_l2.h ++++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h +@@ -219,6 +219,9 @@ struct qed_sp_vport_update_params { + struct qed_rss_params *rss_params; + struct qed_filter_accept_flags accept_flags; + struct qed_sge_tpa_params *sge_tpa_params; ++ u8 update_ctl_frame_check; ++ u8 mac_chk_en; ++ u8 ethtype_chk_en; + }; + + int qed_sp_vport_update(struct qed_hwfn *p_hwfn, +diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c +index 92cd8abeb41d..015de1e0addd 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c +@@ -2430,19 +2430,24 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, + { + struct qed_ll2_tx_pkt_info pkt; + const skb_frag_t *frag; ++ u8 flags = 0, nr_frags; + int rc = -EINVAL, i; + dma_addr_t mapping; + u16 vlan = 0; +- u8 flags = 0; + + if (unlikely(skb->ip_summed != CHECKSUM_NONE)) { + DP_INFO(cdev, "Cannot transmit a checksummed packet\n"); + return -EINVAL; + } + +- if (1 + skb_shinfo(skb)->nr_frags > CORE_LL2_TX_MAX_BDS_PER_PACKET) { ++ /* Cache number of fragments from SKB since SKB may be freed by ++ * the completion routine after calling qed_ll2_prepare_tx_packet() ++ */ ++ nr_frags = skb_shinfo(skb)->nr_frags; ++ ++ if (1 + nr_frags > CORE_LL2_TX_MAX_BDS_PER_PACKET) { + DP_ERR(cdev, "Cannot transmit a packet with %d fragments\n", +- 1 + skb_shinfo(skb)->nr_frags); ++ 1 + nr_frags); + return -EINVAL; + } + +@@ -2464,7 +2469,7 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, + } + + memset(&pkt, 0, sizeof(pkt)); +- pkt.num_of_bds = 1 + skb_shinfo(skb)->nr_frags; ++ pkt.num_of_bds = 1 + nr_frags; + pkt.vlan = vlan; + pkt.bd_flags = flags; + pkt.tx_dest = QED_LL2_TX_DEST_NW; +@@ -2475,12 +2480,17 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb, + test_bit(QED_LL2_XMIT_FLAGS_FIP_DISCOVERY, &xmit_flags)) + pkt.remove_stag = true; + ++ /* qed_ll2_prepare_tx_packet() may actually send the packet if ++ * there are no fragments in the skb and subsequently the completion ++ * routine may run and free the SKB, so no dereferencing the SKB ++ * beyond this point unless skb has any fragments. ++ */ + rc = qed_ll2_prepare_tx_packet(&cdev->hwfns[0], cdev->ll2->handle, + &pkt, 1); + if (rc) + goto err; + +- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { ++ for (i = 0; i < nr_frags; i++) { + frag = &skb_shinfo(skb)->frags[i]; + + mapping = skb_frag_dma_map(&cdev->pdev->dev, frag, 0, +diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h +index 3157c0d99441..dae2896e1d8e 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h ++++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h +@@ -380,6 +380,7 @@ void qed_consq_setup(struct qed_hwfn *p_hwfn); + * @param p_hwfn + */ + void qed_consq_free(struct qed_hwfn *p_hwfn); ++int qed_spq_pend_post(struct qed_hwfn *p_hwfn); + + /** + * @file +diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c +index 7106ad17afe2..a0ee847f379b 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c +@@ -402,6 +402,11 @@ int qed_eq_completion(struct qed_hwfn *p_hwfn, void *cookie) + + qed_eq_prod_update(p_hwfn, qed_chain_get_prod_idx(p_chain)); + ++ /* Attempt to post pending requests */ ++ spin_lock_bh(&p_hwfn->p_spq->lock); ++ rc = qed_spq_pend_post(p_hwfn); ++ spin_unlock_bh(&p_hwfn->p_spq->lock); ++ + return rc; + } + +@@ -745,7 +750,7 @@ static int qed_spq_post_list(struct qed_hwfn *p_hwfn, + return 0; + } + +-static int qed_spq_pend_post(struct qed_hwfn *p_hwfn) ++int qed_spq_pend_post(struct qed_hwfn *p_hwfn) + { + struct qed_spq *p_spq = p_hwfn->p_spq; + struct qed_spq_entry *p_ent = NULL; +@@ -883,7 +888,6 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, + struct qed_spq_entry *p_ent = NULL; + struct qed_spq_entry *tmp; + struct qed_spq_entry *found = NULL; +- int rc; + + if (!p_hwfn) + return -EINVAL; +@@ -941,12 +945,7 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, + */ + qed_spq_return_entry(p_hwfn, found); + +- /* Attempt to post pending requests */ +- spin_lock_bh(&p_spq->lock); +- rc = qed_spq_pend_post(p_hwfn); +- spin_unlock_bh(&p_spq->lock); +- +- return rc; ++ return 0; + } + + int qed_consq_alloc(struct qed_hwfn *p_hwfn) +diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c +index ca6290fa0f30..71a7af134dd8 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c +@@ -1969,7 +1969,9 @@ static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn, + params.vport_id = vf->vport_id; + params.max_buffers_per_cqe = start->max_buffers_per_cqe; + params.mtu = vf->mtu; +- params.check_mac = true; ++ ++ /* Non trusted VFs should enable control frame filtering */ ++ params.check_mac = !vf->p_vf_info.is_trusted_configured; + + rc = qed_sp_eth_vport_start(p_hwfn, ¶ms); + if (rc) { +@@ -5130,6 +5132,9 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + ++ params.update_ctl_frame_check = 1; ++ params.mac_chk_en = !vf_info->is_trusted_configured; ++ + if (vf_info->rx_accept_mode & mask) { + flags->update_rx_mode_config = 1; + flags->rx_accept_filter = vf_info->rx_accept_mode; +@@ -5147,7 +5152,8 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) + } + + if (flags->update_rx_mode_config || +- flags->update_tx_mode_config) ++ flags->update_tx_mode_config || ++ params.update_ctl_frame_check) + qed_sp_vport_update(hwfn, ¶ms, + QED_SPQ_MODE_EBLOCK, NULL); + } +diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c +index be118d057b92..6ab3fb008139 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c +@@ -261,6 +261,7 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) + struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; + struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; + struct vf_pf_resc_request *p_resc; ++ u8 retry_cnt = VF_ACQUIRE_THRESH; + bool resources_acquired = false; + struct vfpf_acquire_tlv *req; + int rc = 0, attempts = 0; +@@ -314,6 +315,15 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) + + /* send acquire request */ + rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); ++ ++ /* Re-try acquire in case of vf-pf hw channel timeout */ ++ if (retry_cnt && rc == -EBUSY) { ++ DP_VERBOSE(p_hwfn, QED_MSG_IOV, ++ "VF retrying to acquire due to VPC timeout\n"); ++ retry_cnt--; ++ continue; ++ } ++ + if (rc) + goto exit; + +diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h +index 6a4d266fb8e2..d242a5724069 100644 +--- a/drivers/net/ethernet/qlogic/qede/qede.h ++++ b/drivers/net/ethernet/qlogic/qede/qede.h +@@ -489,6 +489,9 @@ struct qede_reload_args { + + /* Datapath functions definition */ + netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev); ++u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, ++ struct net_device *sb_dev, ++ select_queue_fallback_t fallback); + netdev_features_t qede_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features); +diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c +index 1a78027de071..a96da16f3404 100644 +--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c ++++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c +@@ -1695,6 +1695,19 @@ netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev) + return NETDEV_TX_OK; + } + ++u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, ++ struct net_device *sb_dev, ++ select_queue_fallback_t fallback) ++{ ++ struct qede_dev *edev = netdev_priv(dev); ++ int total_txq; ++ ++ total_txq = QEDE_TSS_COUNT(edev) * edev->dev_info.num_tc; ++ ++ return QEDE_TSS_COUNT(edev) ? ++ fallback(dev, skb, NULL) % total_txq : 0; ++} ++ + /* 8B udp header + 8B base tunnel header + 32B option length */ + #define QEDE_MAX_TUN_HDR_LEN 48 + +diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c +index 46d0f2eaa0c0..f3d9c40c4115 100644 +--- a/drivers/net/ethernet/qlogic/qede/qede_main.c ++++ b/drivers/net/ethernet/qlogic/qede/qede_main.c +@@ -631,6 +631,7 @@ static const struct net_device_ops qede_netdev_ops = { + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, ++ .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, +@@ -666,6 +667,7 @@ static const struct net_device_ops qede_netdev_vf_ops = { + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, ++ .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, +@@ -684,6 +686,7 @@ static const struct net_device_ops qede_netdev_vf_xdp_ops = { + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, ++ .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +index 7b923362ee55..3b174eae77c1 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +@@ -1342,8 +1342,10 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) + } + + ret = phy_power_on(bsp_priv, true); +- if (ret) ++ if (ret) { ++ gmac_clk_enable(bsp_priv, false); + return ret; ++ } + + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); +diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +index 9caf79ba5ef1..4d5fb4b51cc4 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +@@ -719,8 +719,11 @@ static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv) + { + unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); + +- if (!clk) +- return 0; ++ if (!clk) { ++ clk = priv->plat->clk_ref_rate; ++ if (!clk) ++ return 0; ++ } + + return (usec * (clk / 1000000)) / 256; + } +@@ -729,8 +732,11 @@ static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv) + { + unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); + +- if (!clk) +- return 0; ++ if (!clk) { ++ clk = priv->plat->clk_ref_rate; ++ if (!clk) ++ return 0; ++ } + + return (riwt * 256) / (clk / 1000000); + } +diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +index 123b74e25ed8..43ab9e905bed 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +@@ -3028,10 +3028,22 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) + + tx_q = &priv->tx_queue[queue]; + ++ if (priv->tx_path_in_lpi_mode) ++ stmmac_disable_eee_mode(priv); ++ + /* Manage oversized TCP frames for GMAC4 device */ + if (skb_is_gso(skb) && priv->tso) { +- if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) ++ if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { ++ /* ++ * There is no way to determine the number of TSO ++ * capable Queues. Let's use always the Queue 0 ++ * because if TSO is supported then at least this ++ * one will be capable. ++ */ ++ skb_set_queue_mapping(skb, 0); ++ + return stmmac_tso_xmit(skb, dev); ++ } + } + + if (unlikely(stmmac_tx_avail(priv, queue) < nfrags + 1)) { +@@ -3046,9 +3058,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) + return NETDEV_TX_BUSY; + } + +- if (priv->tx_path_in_lpi_mode) +- stmmac_disable_eee_mode(priv); +- + entry = tx_q->cur_tx; + first_entry = entry; + WARN_ON(tx_q->tx_skbuff[first_entry]); +diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c +index c070a9e51ebf..fae572b38416 100644 +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -636,15 +636,15 @@ static int ath9k_of_init(struct ath_softc *sc) + ret = ath9k_eeprom_request(sc, eeprom_name); + if (ret) + return ret; ++ ++ ah->ah_flags &= ~AH_USE_EEPROM; ++ ah->ah_flags |= AH_NO_EEP_SWAP; + } + + mac = of_get_mac_address(np); + if (mac) + ether_addr_copy(common->macaddr, mac); + +- ah->ah_flags &= ~AH_USE_EEPROM; +- ah->ah_flags |= AH_NO_EEP_SWAP; +- + return 0; + } + +diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c +index 750bea3574ee..627df164b7b6 100644 +--- a/drivers/net/wireless/ti/wlcore/sdio.c ++++ b/drivers/net/wireless/ti/wlcore/sdio.c +@@ -164,6 +164,12 @@ static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue) + } + + sdio_claim_host(func); ++ /* ++ * To guarantee that the SDIO card is power cycled, as required to make ++ * the FW programming to succeed, let's do a brute force HW reset. ++ */ ++ mmc_hw_reset(card->host); ++ + sdio_enable_func(func); + sdio_release_host(func); + +@@ -174,20 +180,13 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue) + { + struct sdio_func *func = dev_to_sdio_func(glue->dev); + struct mmc_card *card = func->card; +- int error; + + sdio_claim_host(func); + sdio_disable_func(func); + sdio_release_host(func); + + /* Let runtime PM know the card is powered off */ +- error = pm_runtime_put(&card->dev); +- if (error < 0 && error != -EBUSY) { +- dev_err(&card->dev, "%s failed: %i\n", __func__, error); +- +- return error; +- } +- ++ pm_runtime_put(&card->dev); + return 0; + } + +diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c +index e0d2b7473901..2cdb3032ca0f 100644 +--- a/drivers/nvme/host/core.c ++++ b/drivers/nvme/host/core.c +@@ -1182,6 +1182,7 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, + * effects say only one namespace is affected. + */ + if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { ++ mutex_lock(&ctrl->scan_lock); + nvme_start_freeze(ctrl); + nvme_wait_freeze(ctrl); + } +@@ -1210,8 +1211,10 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) + */ + if (effects & NVME_CMD_EFFECTS_LBCC) + nvme_update_formats(ctrl); +- if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) ++ if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { + nvme_unfreeze(ctrl); ++ mutex_unlock(&ctrl->scan_lock); ++ } + if (effects & NVME_CMD_EFFECTS_CCC) + nvme_init_identify(ctrl); + if (effects & (NVME_CMD_EFFECTS_NIC | NVME_CMD_EFFECTS_NCC)) +@@ -3292,6 +3295,7 @@ static void nvme_scan_work(struct work_struct *work) + if (nvme_identify_ctrl(ctrl, &id)) + return; + ++ mutex_lock(&ctrl->scan_lock); + nn = le32_to_cpu(id->nn); + if (ctrl->vs >= NVME_VS(1, 1, 0) && + !(ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS)) { +@@ -3300,6 +3304,7 @@ static void nvme_scan_work(struct work_struct *work) + } + nvme_scan_ns_sequential(ctrl, nn); + out_free_id: ++ mutex_unlock(&ctrl->scan_lock); + kfree(id); + down_write(&ctrl->namespaces_rwsem); + list_sort(NULL, &ctrl->namespaces, ns_cmp); +@@ -3535,6 +3540,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, + + ctrl->state = NVME_CTRL_NEW; + spin_lock_init(&ctrl->lock); ++ mutex_init(&ctrl->scan_lock); + INIT_LIST_HEAD(&ctrl->namespaces); + init_rwsem(&ctrl->namespaces_rwsem); + ctrl->dev = dev; +diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h +index 60220de2db52..e82cdaec81c9 100644 +--- a/drivers/nvme/host/nvme.h ++++ b/drivers/nvme/host/nvme.h +@@ -148,6 +148,7 @@ struct nvme_ctrl { + enum nvme_ctrl_state state; + bool identified; + spinlock_t lock; ++ struct mutex scan_lock; + const struct nvme_ctrl_ops *ops; + struct request_queue *admin_q; + struct request_queue *connect_q; +diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c +index f46313f441ec..7b9ef8e734e7 100644 +--- a/drivers/nvme/host/pci.c ++++ b/drivers/nvme/host/pci.c +@@ -2260,27 +2260,18 @@ static void nvme_reset_work(struct work_struct *work) + if (dev->ctrl.ctrl_config & NVME_CC_ENABLE) + nvme_dev_disable(dev, false); + +- /* +- * Introduce CONNECTING state from nvme-fc/rdma transports to mark the +- * initializing procedure here. +- */ +- if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_CONNECTING)) { +- dev_warn(dev->ctrl.device, +- "failed to mark controller CONNECTING\n"); +- goto out; +- } +- ++ mutex_lock(&dev->shutdown_lock); + result = nvme_pci_enable(dev); + if (result) +- goto out; ++ goto out_unlock; + + result = nvme_pci_configure_admin_queue(dev); + if (result) +- goto out; ++ goto out_unlock; + + result = nvme_alloc_admin_tags(dev); + if (result) +- goto out; ++ goto out_unlock; + + /* + * Limit the max command size to prevent iod->sg allocations going +@@ -2288,6 +2279,17 @@ static void nvme_reset_work(struct work_struct *work) + */ + dev->ctrl.max_hw_sectors = NVME_MAX_KB_SZ << 1; + dev->ctrl.max_segments = NVME_MAX_SEGS; ++ mutex_unlock(&dev->shutdown_lock); ++ ++ /* ++ * Introduce CONNECTING state from nvme-fc/rdma transports to mark the ++ * initializing procedure here. ++ */ ++ if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_CONNECTING)) { ++ dev_warn(dev->ctrl.device, ++ "failed to mark controller CONNECTING\n"); ++ goto out; ++ } + + result = nvme_init_identify(&dev->ctrl); + if (result) +@@ -2352,6 +2354,8 @@ static void nvme_reset_work(struct work_struct *work) + nvme_start_ctrl(&dev->ctrl); + return; + ++ out_unlock: ++ mutex_unlock(&dev->shutdown_lock); + out: + nvme_remove_dead_ctrl(dev, result); + } +diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c +index cf73a403d22d..cecbce21d01f 100644 +--- a/drivers/pinctrl/pinctrl-mcp23s08.c ++++ b/drivers/pinctrl/pinctrl-mcp23s08.c +@@ -832,8 +832,13 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, + break; + + case MCP_TYPE_S18: ++ one_regmap_config = ++ devm_kmemdup(dev, &mcp23x17_regmap, ++ sizeof(struct regmap_config), GFP_KERNEL); ++ if (!one_regmap_config) ++ return -ENOMEM; + mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, +- &mcp23x17_regmap); ++ one_regmap_config); + mcp->reg_shift = 1; + mcp->chip.ngpio = 16; + mcp->chip.label = "mcp23s18"; +diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig +index 0c1aa6c314f5..7563c07e14e4 100644 +--- a/drivers/platform/x86/Kconfig ++++ b/drivers/platform/x86/Kconfig +@@ -856,6 +856,7 @@ config TOSHIBA_WMI + config ACPI_CMPC + tristate "CMPC Laptop Extras" + depends on ACPI && INPUT ++ depends on BACKLIGHT_LCD_SUPPORT + depends on RFKILL || RFKILL=n + select BACKLIGHT_CLASS_DEVICE + help +@@ -1077,6 +1078,7 @@ config INTEL_OAKTRAIL + config SAMSUNG_Q10 + tristate "Samsung Q10 Extras" + depends on ACPI ++ depends on BACKLIGHT_LCD_SUPPORT + select BACKLIGHT_CLASS_DEVICE + ---help--- + This driver provides support for backlight control on Samsung Q10 +diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h +index 970654fcc48d..2d1f6a583641 100644 +--- a/drivers/s390/net/qeth_core.h ++++ b/drivers/s390/net/qeth_core.h +@@ -22,6 +22,7 @@ + #include <linux/hashtable.h> + #include <linux/ip.h> + #include <linux/refcount.h> ++#include <linux/workqueue.h> + + #include <net/ipv6.h> + #include <net/if_inet6.h> +diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c +index b03515d43745..56aacf32f71b 100644 +--- a/drivers/s390/net/qeth_core_main.c ++++ b/drivers/s390/net/qeth_core_main.c +@@ -565,6 +565,7 @@ static int __qeth_issue_next_read(struct qeth_card *card) + QETH_DBF_MESSAGE(2, "%s error in starting next read ccw! " + "rc=%i\n", dev_name(&card->gdev->dev), rc); + atomic_set(&channel->irq_pending, 0); ++ qeth_release_buffer(channel, iob); + card->read_or_write_problem = 1; + qeth_schedule_recovery(card); + wake_up(&card->wait_q); +@@ -1187,6 +1188,8 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, + rc = qeth_get_problem(cdev, irb); + if (rc) { + card->read_or_write_problem = 1; ++ if (iob) ++ qeth_release_buffer(iob->channel, iob); + qeth_clear_ipacmd_list(card); + qeth_schedule_recovery(card); + goto out; +@@ -1852,6 +1855,7 @@ static int qeth_idx_activate_get_answer(struct qeth_channel *channel, + QETH_DBF_MESSAGE(2, "Error2 in activating channel rc=%d\n", rc); + QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); + atomic_set(&channel->irq_pending, 0); ++ qeth_release_buffer(channel, iob); + wake_up(&card->wait_q); + return rc; + } +@@ -1923,6 +1927,7 @@ static int qeth_idx_activate_channel(struct qeth_channel *channel, + rc); + QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); + atomic_set(&channel->irq_pending, 0); ++ qeth_release_buffer(channel, iob); + wake_up(&card->wait_q); + return rc; + } +@@ -2110,6 +2115,7 @@ int qeth_send_control_data(struct qeth_card *card, int len, + } + reply = qeth_alloc_reply(card); + if (!reply) { ++ qeth_release_buffer(channel, iob); + return -ENOMEM; + } + reply->callback = reply_cb; +@@ -2448,11 +2454,12 @@ static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *q, int bidx) + return 0; + } + +-static void qeth_free_qdio_out_buf(struct qeth_qdio_out_q *q) ++static void qeth_free_output_queue(struct qeth_qdio_out_q *q) + { + if (!q) + return; + ++ qeth_clear_outq_buffers(q, 1); + qdio_free_buffers(q->qdio_bufs, QDIO_MAX_BUFFERS_PER_Q); + kfree(q); + } +@@ -2526,10 +2533,8 @@ out_freeoutqbufs: + card->qdio.out_qs[i]->bufs[j] = NULL; + } + out_freeoutq: +- while (i > 0) { +- qeth_free_qdio_out_buf(card->qdio.out_qs[--i]); +- qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); +- } ++ while (i > 0) ++ qeth_free_output_queue(card->qdio.out_qs[--i]); + kfree(card->qdio.out_qs); + card->qdio.out_qs = NULL; + out_freepool: +@@ -2562,10 +2567,8 @@ static void qeth_free_qdio_buffers(struct qeth_card *card) + qeth_free_buffer_pool(card); + /* free outbound qdio_qs */ + if (card->qdio.out_qs) { +- for (i = 0; i < card->qdio.no_out_queues; ++i) { +- qeth_clear_outq_buffers(card->qdio.out_qs[i], 1); +- qeth_free_qdio_out_buf(card->qdio.out_qs[i]); +- } ++ for (i = 0; i < card->qdio.no_out_queues; i++) ++ qeth_free_output_queue(card->qdio.out_qs[i]); + kfree(card->qdio.out_qs); + card->qdio.out_qs = NULL; + } +diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c +index 76b2fba5fba2..b7513c5848cf 100644 +--- a/drivers/s390/net/qeth_l2_main.c ++++ b/drivers/s390/net/qeth_l2_main.c +@@ -854,6 +854,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) + + if (cgdev->state == CCWGROUP_ONLINE) + qeth_l2_set_offline(cgdev); ++ ++ cancel_work_sync(&card->close_dev_work); + if (qeth_netdev_is_registered(card->dev)) + unregister_netdev(card->dev); + } +diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c +index b7f6a8384543..7f71ca0d08e7 100644 +--- a/drivers/s390/net/qeth_l3_main.c ++++ b/drivers/s390/net/qeth_l3_main.c +@@ -2611,6 +2611,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) + if (cgdev->state == CCWGROUP_ONLINE) + qeth_l3_set_offline(cgdev); + ++ cancel_work_sync(&card->close_dev_work); + if (qeth_netdev_is_registered(card->dev)) + unregister_netdev(card->dev); + qeth_l3_clear_ip_htable(card, 0); +diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c +index 6be77b3aa8a5..ac79f2088b31 100644 +--- a/drivers/scsi/53c700.c ++++ b/drivers/scsi/53c700.c +@@ -295,7 +295,7 @@ NCR_700_detect(struct scsi_host_template *tpnt, + if(tpnt->sdev_attrs == NULL) + tpnt->sdev_attrs = NCR_700_dev_attrs; + +- memory = dma_alloc_attrs(hostdata->dev, TOTAL_MEM_SIZE, &pScript, ++ memory = dma_alloc_attrs(dev, TOTAL_MEM_SIZE, &pScript, + GFP_KERNEL, DMA_ATTR_NON_CONSISTENT); + if(memory == NULL) { + printk(KERN_ERR "53c700: Failed to allocate memory for driver, detaching\n"); +diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c +index 6e1b022a823d..3236240a4edd 100644 +--- a/drivers/scsi/aacraid/commsup.c ++++ b/drivers/scsi/aacraid/commsup.c +@@ -1304,8 +1304,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) + ADD : DELETE; + break; + } +- case AifBuManagerEvent: +- aac_handle_aif_bu(dev, aifcmd); ++ break; ++ case AifBuManagerEvent: ++ aac_handle_aif_bu(dev, aifcmd); + break; + } + +diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c +index 350257c13a5b..bc9f2a2365f4 100644 +--- a/drivers/scsi/bnx2fc/bnx2fc_io.c ++++ b/drivers/scsi/bnx2fc/bnx2fc_io.c +@@ -240,6 +240,7 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) + return NULL; + } + ++ cmgr->hba = hba; + cmgr->free_list = kcalloc(arr_sz, sizeof(*cmgr->free_list), + GFP_KERNEL); + if (!cmgr->free_list) { +@@ -256,7 +257,6 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) + goto mem_err; + } + +- cmgr->hba = hba; + cmgr->cmds = (struct bnx2fc_cmd **)(cmgr + 1); + + for (i = 0; i < arr_sz; i++) { +@@ -295,7 +295,7 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) + + /* Allocate pool of io_bdts - one for each bnx2fc_cmd */ + mem_size = num_ios * sizeof(struct io_bdt *); +- cmgr->io_bdt_pool = kmalloc(mem_size, GFP_KERNEL); ++ cmgr->io_bdt_pool = kzalloc(mem_size, GFP_KERNEL); + if (!cmgr->io_bdt_pool) { + printk(KERN_ERR PFX "failed to alloc io_bdt_pool\n"); + goto mem_err; +diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c +index be83590ed955..ff943f477d6f 100644 +--- a/drivers/scsi/libfc/fc_lport.c ++++ b/drivers/scsi/libfc/fc_lport.c +@@ -1726,14 +1726,14 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, + fc_frame_payload_op(fp) != ELS_LS_ACC) { + FC_LPORT_DBG(lport, "FLOGI not accepted or bad response\n"); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + flp = fc_frame_payload_get(fp, sizeof(*flp)); + if (!flp) { + FC_LPORT_DBG(lport, "FLOGI bad response\n"); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + mfs = ntohs(flp->fl_csp.sp_bb_data) & +@@ -1743,7 +1743,7 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, + FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, " + "lport->mfs:%hu\n", mfs, lport->mfs); + fc_lport_error(lport, fp); +- goto err; ++ goto out; + } + + if (mfs <= lport->mfs) { +diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c +index 372387a450df..1797e47fab38 100644 +--- a/drivers/scsi/libfc/fc_rport.c ++++ b/drivers/scsi/libfc/fc_rport.c +@@ -184,7 +184,6 @@ void fc_rport_destroy(struct kref *kref) + struct fc_rport_priv *rdata; + + rdata = container_of(kref, struct fc_rport_priv, kref); +- WARN_ON(!list_empty(&rdata->peers)); + kfree_rcu(rdata, rcu); + } + EXPORT_SYMBOL(fc_rport_destroy); +diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c +index 60bcc6df97a9..65305b3848bc 100644 +--- a/drivers/scsi/scsi_debug.c ++++ b/drivers/scsi/scsi_debug.c +@@ -62,7 +62,7 @@ + + /* make sure inq_product_rev string corresponds to this version */ + #define SDEBUG_VERSION "0188" /* format to fit INQUIRY revision field */ +-static const char *sdebug_version_date = "20180128"; ++static const char *sdebug_version_date = "20190125"; + + #define MY_NAME "scsi_debug" + +@@ -735,7 +735,7 @@ static inline bool scsi_debug_lbp(void) + (sdebug_lbpu || sdebug_lbpws || sdebug_lbpws10); + } + +-static void *fake_store(unsigned long long lba) ++static void *lba2fake_store(unsigned long long lba) + { + lba = do_div(lba, sdebug_store_sectors); + +@@ -2514,8 +2514,8 @@ static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba, + return ret; + } + +-/* If fake_store(lba,num) compares equal to arr(num), then copy top half of +- * arr into fake_store(lba,num) and return true. If comparison fails then ++/* If lba2fake_store(lba,num) compares equal to arr(num), then copy top half of ++ * arr into lba2fake_store(lba,num) and return true. If comparison fails then + * return false. */ + static bool comp_write_worker(u64 lba, u32 num, const u8 *arr) + { +@@ -2643,7 +2643,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec, + if (sdt->app_tag == cpu_to_be16(0xffff)) + continue; + +- ret = dif_verify(sdt, fake_store(sector), sector, ei_lba); ++ ret = dif_verify(sdt, lba2fake_store(sector), sector, ei_lba); + if (ret) { + dif_errors++; + return ret; +@@ -3261,10 +3261,12 @@ err_out: + static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, + u32 ei_lba, bool unmap, bool ndob) + { ++ int ret; + unsigned long iflags; + unsigned long long i; +- int ret; +- u64 lba_off; ++ u32 lb_size = sdebug_sector_size; ++ u64 block, lbaa; ++ u8 *fs1p; + + ret = check_device_access_params(scp, lba, num); + if (ret) +@@ -3276,31 +3278,30 @@ static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, + unmap_region(lba, num); + goto out; + } +- +- lba_off = lba * sdebug_sector_size; ++ lbaa = lba; ++ block = do_div(lbaa, sdebug_store_sectors); + /* if ndob then zero 1 logical block, else fetch 1 logical block */ ++ fs1p = fake_storep + (block * lb_size); + if (ndob) { +- memset(fake_storep + lba_off, 0, sdebug_sector_size); ++ memset(fs1p, 0, lb_size); + ret = 0; + } else +- ret = fetch_to_dev_buffer(scp, fake_storep + lba_off, +- sdebug_sector_size); ++ ret = fetch_to_dev_buffer(scp, fs1p, lb_size); + + if (-1 == ret) { + write_unlock_irqrestore(&atomic_rw, iflags); + return DID_ERROR << 16; +- } else if (sdebug_verbose && !ndob && (ret < sdebug_sector_size)) ++ } else if (sdebug_verbose && !ndob && (ret < lb_size)) + sdev_printk(KERN_INFO, scp->device, + "%s: %s: lb size=%u, IO sent=%d bytes\n", +- my_name, "write same", +- sdebug_sector_size, ret); ++ my_name, "write same", lb_size, ret); + + /* Copy first sector to remaining blocks */ +- for (i = 1 ; i < num ; i++) +- memcpy(fake_storep + ((lba + i) * sdebug_sector_size), +- fake_storep + lba_off, +- sdebug_sector_size); +- ++ for (i = 1 ; i < num ; i++) { ++ lbaa = lba + i; ++ block = do_div(lbaa, sdebug_store_sectors); ++ memmove(fake_storep + (block * lb_size), fs1p, lb_size); ++ } + if (scsi_debug_lbp()) + map_region(lba, num); + out: +diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c +index 8cc015183043..a4ac6073c555 100644 +--- a/drivers/soc/fsl/qbman/qman.c ++++ b/drivers/soc/fsl/qbman/qman.c +@@ -1081,18 +1081,19 @@ static void qm_mr_process_task(struct work_struct *work); + static irqreturn_t portal_isr(int irq, void *ptr) + { + struct qman_portal *p = ptr; +- +- u32 clear = QM_DQAVAIL_MASK | p->irq_sources; + u32 is = qm_in(&p->p, QM_REG_ISR) & p->irq_sources; ++ u32 clear = 0; + + if (unlikely(!is)) + return IRQ_NONE; + + /* DQRR-handling if it's interrupt-driven */ +- if (is & QM_PIRQ_DQRI) ++ if (is & QM_PIRQ_DQRI) { + __poll_portal_fast(p, QMAN_POLL_LIMIT); ++ clear = QM_DQAVAIL_MASK | QM_PIRQ_DQRI; ++ } + /* Handling of anything else that's interrupt-driven */ +- clear |= __poll_portal_slow(p, is); ++ clear |= __poll_portal_slow(p, is) & QM_PIRQ_SLOW; + qm_out(&p->p, QM_REG_ISR, clear); + return IRQ_HANDLED; + } +diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c +index 9e7815f55a17..7448744cc515 100644 +--- a/drivers/staging/erofs/inode.c ++++ b/drivers/staging/erofs/inode.c +@@ -184,16 +184,16 @@ static int fill_inode(struct inode *inode, int isdir) + /* setup the new inode */ + if (S_ISREG(inode->i_mode)) { + #ifdef CONFIG_EROFS_FS_XATTR +- if (vi->xattr_isize) +- inode->i_op = &erofs_generic_xattr_iops; ++ inode->i_op = &erofs_generic_xattr_iops; + #endif + inode->i_fop = &generic_ro_fops; + } else if (S_ISDIR(inode->i_mode)) { + inode->i_op = + #ifdef CONFIG_EROFS_FS_XATTR +- vi->xattr_isize ? &erofs_dir_xattr_iops : +-#endif ++ &erofs_dir_xattr_iops; ++#else + &erofs_dir_iops; ++#endif + inode->i_fop = &erofs_dir_fops; + } else if (S_ISLNK(inode->i_mode)) { + /* by default, page_get_link is used for symlink */ +diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h +index 9f44ed8f0023..c70f0c5237ea 100644 +--- a/drivers/staging/erofs/internal.h ++++ b/drivers/staging/erofs/internal.h +@@ -327,12 +327,17 @@ static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid) + return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits); + } + +-#define inode_set_inited_xattr(inode) (EROFS_V(inode)->flags |= 1) +-#define inode_has_inited_xattr(inode) (EROFS_V(inode)->flags & 1) ++/* atomic flag definitions */ ++#define EROFS_V_EA_INITED_BIT 0 ++ ++/* bitlock definitions (arranged in reverse order) */ ++#define EROFS_V_BL_XATTR_BIT (BITS_PER_LONG - 1) + + struct erofs_vnode { + erofs_nid_t nid; +- unsigned int flags; ++ ++ /* atomic flags (including bitlocks) */ ++ unsigned long flags; + + unsigned char data_mapping_mode; + /* inline size in bytes */ +@@ -485,8 +490,9 @@ struct erofs_map_blocks_iter { + }; + + +-static inline struct page *erofs_get_inline_page(struct inode *inode, +- erofs_blk_t blkaddr) ++static inline struct page * ++erofs_get_inline_page(struct inode *inode, ++ erofs_blk_t blkaddr) + { + return erofs_get_meta_page(inode->i_sb, + blkaddr, S_ISDIR(inode->i_mode)); +diff --git a/drivers/staging/erofs/namei.c b/drivers/staging/erofs/namei.c +index 546a47156101..023f64fa2c87 100644 +--- a/drivers/staging/erofs/namei.c ++++ b/drivers/staging/erofs/namei.c +@@ -15,74 +15,77 @@ + + #include <trace/events/erofs.h> + +-/* based on the value of qn->len is accurate */ +-static inline int dirnamecmp(struct qstr *qn, +- struct qstr *qd, unsigned *matched) ++struct erofs_qstr { ++ const unsigned char *name; ++ const unsigned char *end; ++}; ++ ++/* based on the end of qn is accurate and it must have the trailing '\0' */ ++static inline int dirnamecmp(const struct erofs_qstr *qn, ++ const struct erofs_qstr *qd, ++ unsigned int *matched) + { +- unsigned i = *matched, len = min(qn->len, qd->len); +-loop: +- if (unlikely(i >= len)) { +- *matched = i; +- if (qn->len < qd->len) { +- /* +- * actually (qn->len == qd->len) +- * when qd->name[i] == '\0' +- */ +- return qd->name[i] == '\0' ? 0 : -1; ++ unsigned int i = *matched; ++ ++ /* ++ * on-disk error, let's only BUG_ON in the debugging mode. ++ * otherwise, it will return 1 to just skip the invalid name ++ * and go on (in consideration of the lookup performance). ++ */ ++ DBG_BUGON(qd->name > qd->end); ++ ++ /* qd could not have trailing '\0' */ ++ /* However it is absolutely safe if < qd->end */ ++ while (qd->name + i < qd->end && qd->name[i] != '\0') { ++ if (qn->name[i] != qd->name[i]) { ++ *matched = i; ++ return qn->name[i] > qd->name[i] ? 1 : -1; + } +- return (qn->len > qd->len); ++ ++i; + } +- +- if (qn->name[i] != qd->name[i]) { +- *matched = i; +- return qn->name[i] > qd->name[i] ? 1 : -1; +- } +- +- ++i; +- goto loop; ++ *matched = i; ++ /* See comments in __d_alloc on the terminating NUL character */ ++ return qn->name[i] == '\0' ? 0 : 1; + } + +-static struct erofs_dirent *find_target_dirent( +- struct qstr *name, +- u8 *data, int maxsize) ++#define nameoff_from_disk(off, sz) (le16_to_cpu(off) & ((sz) - 1)) ++ ++static struct erofs_dirent *find_target_dirent(struct erofs_qstr *name, ++ u8 *data, ++ unsigned int dirblksize, ++ const int ndirents) + { +- unsigned ndirents, head, back; +- unsigned startprfx, endprfx; ++ int head, back; ++ unsigned int startprfx, endprfx; + struct erofs_dirent *const de = (struct erofs_dirent *)data; + +- /* make sure that maxsize is valid */ +- BUG_ON(maxsize < sizeof(struct erofs_dirent)); +- +- ndirents = le16_to_cpu(de->nameoff) / sizeof(*de); +- +- /* corrupted dir (may be unnecessary...) */ +- BUG_ON(!ndirents); +- +- head = 0; ++ /* since the 1st dirent has been evaluated previously */ ++ head = 1; + back = ndirents - 1; + startprfx = endprfx = 0; + + while (head <= back) { +- unsigned mid = head + (back - head) / 2; +- unsigned nameoff = le16_to_cpu(de[mid].nameoff); +- unsigned matched = min(startprfx, endprfx); +- +- struct qstr dname = QSTR_INIT(data + nameoff, +- unlikely(mid >= ndirents - 1) ? +- maxsize - nameoff : +- le16_to_cpu(de[mid + 1].nameoff) - nameoff); ++ const int mid = head + (back - head) / 2; ++ const int nameoff = nameoff_from_disk(de[mid].nameoff, ++ dirblksize); ++ unsigned int matched = min(startprfx, endprfx); ++ struct erofs_qstr dname = { ++ .name = data + nameoff, ++ .end = unlikely(mid >= ndirents - 1) ? ++ data + dirblksize : ++ data + nameoff_from_disk(de[mid + 1].nameoff, ++ dirblksize) ++ }; + + /* string comparison without already matched prefix */ + int ret = dirnamecmp(name, &dname, &matched); + +- if (unlikely(!ret)) ++ if (unlikely(!ret)) { + return de + mid; +- else if (ret > 0) { ++ } else if (ret > 0) { + head = mid + 1; + startprfx = matched; +- } else if (unlikely(mid < 1)) /* fix "mid" overflow */ +- break; +- else { ++ } else { + back = mid - 1; + endprfx = matched; + } +@@ -91,12 +94,12 @@ static struct erofs_dirent *find_target_dirent( + return ERR_PTR(-ENOENT); + } + +-static struct page *find_target_block_classic( +- struct inode *dir, +- struct qstr *name, int *_diff) ++static struct page *find_target_block_classic(struct inode *dir, ++ struct erofs_qstr *name, ++ int *_ndirents) + { +- unsigned startprfx, endprfx; +- unsigned head, back; ++ unsigned int startprfx, endprfx; ++ int head, back; + struct address_space *const mapping = dir->i_mapping; + struct page *candidate = ERR_PTR(-ENOENT); + +@@ -105,41 +108,43 @@ static struct page *find_target_block_classic( + back = inode_datablocks(dir) - 1; + + while (head <= back) { +- unsigned mid = head + (back - head) / 2; ++ const int mid = head + (back - head) / 2; + struct page *page = read_mapping_page(mapping, mid, NULL); + +- if (IS_ERR(page)) { +-exact_out: +- if (!IS_ERR(candidate)) /* valid candidate */ +- put_page(candidate); +- return page; +- } else { +- int diff; +- unsigned ndirents, matched; +- struct qstr dname; ++ if (!IS_ERR(page)) { + struct erofs_dirent *de = kmap_atomic(page); +- unsigned nameoff = le16_to_cpu(de->nameoff); +- +- ndirents = nameoff / sizeof(*de); ++ const int nameoff = nameoff_from_disk(de->nameoff, ++ EROFS_BLKSIZ); ++ const int ndirents = nameoff / sizeof(*de); ++ int diff; ++ unsigned int matched; ++ struct erofs_qstr dname; + +- /* corrupted dir (should have one entry at least) */ +- BUG_ON(!ndirents || nameoff > PAGE_SIZE); ++ if (unlikely(!ndirents)) { ++ DBG_BUGON(1); ++ kunmap_atomic(de); ++ put_page(page); ++ page = ERR_PTR(-EIO); ++ goto out; ++ } + + matched = min(startprfx, endprfx); + + dname.name = (u8 *)de + nameoff; +- dname.len = ndirents == 1 ? +- /* since the rest of the last page is 0 */ +- EROFS_BLKSIZ - nameoff +- : le16_to_cpu(de[1].nameoff) - nameoff; ++ if (ndirents == 1) ++ dname.end = (u8 *)de + EROFS_BLKSIZ; ++ else ++ dname.end = (u8 *)de + ++ nameoff_from_disk(de[1].nameoff, ++ EROFS_BLKSIZ); + + /* string comparison without already matched prefix */ + diff = dirnamecmp(name, &dname, &matched); + kunmap_atomic(de); + + if (unlikely(!diff)) { +- *_diff = 0; +- goto exact_out; ++ *_ndirents = 0; ++ goto out; + } else if (diff > 0) { + head = mid + 1; + startprfx = matched; +@@ -147,45 +152,51 @@ exact_out: + if (likely(!IS_ERR(candidate))) + put_page(candidate); + candidate = page; ++ *_ndirents = ndirents; + } else { + put_page(page); + +- if (unlikely(mid < 1)) /* fix "mid" overflow */ +- break; +- + back = mid - 1; + endprfx = matched; + } ++ continue; + } ++out: /* free if the candidate is valid */ ++ if (!IS_ERR(candidate)) ++ put_page(candidate); ++ return page; + } +- *_diff = 1; + return candidate; + } + + int erofs_namei(struct inode *dir, +- struct qstr *name, +- erofs_nid_t *nid, unsigned *d_type) ++ struct qstr *name, ++ erofs_nid_t *nid, unsigned int *d_type) + { +- int diff; ++ int ndirents; + struct page *page; +- u8 *data; ++ void *data; + struct erofs_dirent *de; ++ struct erofs_qstr qn; + + if (unlikely(!dir->i_size)) + return -ENOENT; + +- diff = 1; +- page = find_target_block_classic(dir, name, &diff); ++ qn.name = name->name; ++ qn.end = name->name + name->len; ++ ++ ndirents = 0; ++ page = find_target_block_classic(dir, &qn, &ndirents); + + if (unlikely(IS_ERR(page))) + return PTR_ERR(page); + + data = kmap_atomic(page); + /* the target page has been mapped */ +- de = likely(diff) ? +- /* since the rest of the last page is 0 */ +- find_target_dirent(name, data, EROFS_BLKSIZ) : +- (struct erofs_dirent *)data; ++ if (ndirents) ++ de = find_target_dirent(&qn, data, EROFS_BLKSIZ, ndirents); ++ else ++ de = (struct erofs_dirent *)data; + + if (likely(!IS_ERR(de))) { + *nid = le64_to_cpu(de->nid); +diff --git a/drivers/staging/erofs/xattr.c b/drivers/staging/erofs/xattr.c +index 0e9cfeccdf99..2db99cff3c99 100644 +--- a/drivers/staging/erofs/xattr.c ++++ b/drivers/staging/erofs/xattr.c +@@ -24,36 +24,77 @@ struct xattr_iter { + + static inline void xattr_iter_end(struct xattr_iter *it, bool atomic) + { +- /* only init_inode_xattrs use non-atomic once */ ++ /* the only user of kunmap() is 'init_inode_xattrs' */ + if (unlikely(!atomic)) + kunmap(it->page); + else + kunmap_atomic(it->kaddr); ++ + unlock_page(it->page); + put_page(it->page); + } + +-static void init_inode_xattrs(struct inode *inode) ++static inline void xattr_iter_end_final(struct xattr_iter *it) ++{ ++ if (!it->page) ++ return; ++ ++ xattr_iter_end(it, true); ++} ++ ++static int init_inode_xattrs(struct inode *inode) + { ++ struct erofs_vnode *const vi = EROFS_V(inode); + struct xattr_iter it; + unsigned i; + struct erofs_xattr_ibody_header *ih; + struct erofs_sb_info *sbi; +- struct erofs_vnode *vi; + bool atomic_map; ++ int ret = 0; + +- if (likely(inode_has_inited_xattr(inode))) +- return; ++ /* the most case is that xattrs of this inode are initialized. */ ++ if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) ++ return 0; ++ ++ if (wait_on_bit_lock(&vi->flags, EROFS_V_BL_XATTR_BIT, TASK_KILLABLE)) ++ return -ERESTARTSYS; + +- vi = EROFS_V(inode); +- BUG_ON(!vi->xattr_isize); ++ /* someone has initialized xattrs for us? */ ++ if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) ++ goto out_unlock; ++ ++ /* ++ * bypass all xattr operations if ->xattr_isize is not greater than ++ * sizeof(struct erofs_xattr_ibody_header), in detail: ++ * 1) it is not enough to contain erofs_xattr_ibody_header then ++ * ->xattr_isize should be 0 (it means no xattr); ++ * 2) it is just to contain erofs_xattr_ibody_header, which is on-disk ++ * undefined right now (maybe use later with some new sb feature). ++ */ ++ if (vi->xattr_isize == sizeof(struct erofs_xattr_ibody_header)) { ++ errln("xattr_isize %d of nid %llu is not supported yet", ++ vi->xattr_isize, vi->nid); ++ ret = -ENOTSUPP; ++ goto out_unlock; ++ } else if (vi->xattr_isize < sizeof(struct erofs_xattr_ibody_header)) { ++ if (unlikely(vi->xattr_isize)) { ++ DBG_BUGON(1); ++ ret = -EIO; ++ goto out_unlock; /* xattr ondisk layout error */ ++ } ++ ret = -ENOATTR; ++ goto out_unlock; ++ } + + sbi = EROFS_I_SB(inode); + it.blkaddr = erofs_blknr(iloc(sbi, vi->nid) + vi->inode_isize); + it.ofs = erofs_blkoff(iloc(sbi, vi->nid) + vi->inode_isize); + + it.page = erofs_get_inline_page(inode, it.blkaddr); +- BUG_ON(IS_ERR(it.page)); ++ if (IS_ERR(it.page)) { ++ ret = PTR_ERR(it.page); ++ goto out_unlock; ++ } + + /* read in shared xattr array (non-atomic, see kmalloc below) */ + it.kaddr = kmap(it.page); +@@ -62,9 +103,13 @@ static void init_inode_xattrs(struct inode *inode) + ih = (struct erofs_xattr_ibody_header *)(it.kaddr + it.ofs); + + vi->xattr_shared_count = ih->h_shared_count; +- vi->xattr_shared_xattrs = (unsigned *)kmalloc_array( +- vi->xattr_shared_count, sizeof(unsigned), +- GFP_KERNEL | __GFP_NOFAIL); ++ vi->xattr_shared_xattrs = kmalloc_array(vi->xattr_shared_count, ++ sizeof(uint), GFP_KERNEL); ++ if (!vi->xattr_shared_xattrs) { ++ xattr_iter_end(&it, atomic_map); ++ ret = -ENOMEM; ++ goto out_unlock; ++ } + + /* let's skip ibody header */ + it.ofs += sizeof(struct erofs_xattr_ibody_header); +@@ -77,7 +122,12 @@ static void init_inode_xattrs(struct inode *inode) + + it.page = erofs_get_meta_page(inode->i_sb, + ++it.blkaddr, S_ISDIR(inode->i_mode)); +- BUG_ON(IS_ERR(it.page)); ++ if (IS_ERR(it.page)) { ++ kfree(vi->xattr_shared_xattrs); ++ vi->xattr_shared_xattrs = NULL; ++ ret = PTR_ERR(it.page); ++ goto out_unlock; ++ } + + it.kaddr = kmap_atomic(it.page); + atomic_map = true; +@@ -89,7 +139,11 @@ static void init_inode_xattrs(struct inode *inode) + } + xattr_iter_end(&it, atomic_map); + +- inode_set_inited_xattr(inode); ++ set_bit(EROFS_V_EA_INITED_BIT, &vi->flags); ++ ++out_unlock: ++ clear_and_wake_up_bit(EROFS_V_BL_XATTR_BIT, &vi->flags); ++ return ret; + } + + struct xattr_iter_handlers { +@@ -99,18 +153,25 @@ struct xattr_iter_handlers { + void (*value)(struct xattr_iter *, unsigned, char *, unsigned); + }; + +-static void xattr_iter_fixup(struct xattr_iter *it) ++static inline int xattr_iter_fixup(struct xattr_iter *it) + { +- if (unlikely(it->ofs >= EROFS_BLKSIZ)) { +- xattr_iter_end(it, true); ++ if (it->ofs < EROFS_BLKSIZ) ++ return 0; + +- it->blkaddr += erofs_blknr(it->ofs); +- it->page = erofs_get_meta_page(it->sb, it->blkaddr, false); +- BUG_ON(IS_ERR(it->page)); ++ xattr_iter_end(it, true); + +- it->kaddr = kmap_atomic(it->page); +- it->ofs = erofs_blkoff(it->ofs); ++ it->blkaddr += erofs_blknr(it->ofs); ++ it->page = erofs_get_meta_page(it->sb, it->blkaddr, false); ++ if (IS_ERR(it->page)) { ++ int err = PTR_ERR(it->page); ++ ++ it->page = NULL; ++ return err; + } ++ ++ it->kaddr = kmap_atomic(it->page); ++ it->ofs = erofs_blkoff(it->ofs); ++ return 0; + } + + static int inline_xattr_iter_begin(struct xattr_iter *it, +@@ -132,21 +193,24 @@ static int inline_xattr_iter_begin(struct xattr_iter *it, + it->ofs = erofs_blkoff(iloc(sbi, vi->nid) + inline_xattr_ofs); + + it->page = erofs_get_inline_page(inode, it->blkaddr); +- BUG_ON(IS_ERR(it->page)); +- it->kaddr = kmap_atomic(it->page); ++ if (IS_ERR(it->page)) ++ return PTR_ERR(it->page); + ++ it->kaddr = kmap_atomic(it->page); + return vi->xattr_isize - xattr_header_sz; + } + + static int xattr_foreach(struct xattr_iter *it, +- struct xattr_iter_handlers *op, unsigned *tlimit) ++ const struct xattr_iter_handlers *op, unsigned int *tlimit) + { + struct erofs_xattr_entry entry; + unsigned value_sz, processed, slice; + int err; + + /* 0. fixup blkaddr, ofs, ipage */ +- xattr_iter_fixup(it); ++ err = xattr_iter_fixup(it); ++ if (err) ++ return err; + + /* + * 1. read xattr entry to the memory, +@@ -178,7 +242,9 @@ static int xattr_foreach(struct xattr_iter *it, + if (it->ofs >= EROFS_BLKSIZ) { + BUG_ON(it->ofs > EROFS_BLKSIZ); + +- xattr_iter_fixup(it); ++ err = xattr_iter_fixup(it); ++ if (err) ++ goto out; + it->ofs = 0; + } + +@@ -210,7 +276,10 @@ static int xattr_foreach(struct xattr_iter *it, + while (processed < value_sz) { + if (it->ofs >= EROFS_BLKSIZ) { + BUG_ON(it->ofs > EROFS_BLKSIZ); +- xattr_iter_fixup(it); ++ ++ err = xattr_iter_fixup(it); ++ if (err) ++ goto out; + it->ofs = 0; + } + +@@ -270,7 +339,7 @@ static void xattr_copyvalue(struct xattr_iter *_it, + memcpy(it->buffer + processed, buf, len); + } + +-static struct xattr_iter_handlers find_xattr_handlers = { ++static const struct xattr_iter_handlers find_xattr_handlers = { + .entry = xattr_entrymatch, + .name = xattr_namematch, + .alloc_buffer = xattr_checkbuffer, +@@ -291,8 +360,11 @@ static int inline_getxattr(struct inode *inode, struct getxattr_iter *it) + ret = xattr_foreach(&it->it, &find_xattr_handlers, &remaining); + if (ret >= 0) + break; ++ ++ if (ret != -ENOATTR) /* -ENOMEM, -EIO, etc. */ ++ break; + } +- xattr_iter_end(&it->it, true); ++ xattr_iter_end_final(&it->it); + + return ret < 0 ? ret : it->buffer_size; + } +@@ -315,8 +387,10 @@ static int shared_getxattr(struct inode *inode, struct getxattr_iter *it) + xattr_iter_end(&it->it, true); + + it->it.page = erofs_get_meta_page(inode->i_sb, +- blkaddr, false); +- BUG_ON(IS_ERR(it->it.page)); ++ blkaddr, false); ++ if (IS_ERR(it->it.page)) ++ return PTR_ERR(it->it.page); ++ + it->it.kaddr = kmap_atomic(it->it.page); + it->it.blkaddr = blkaddr; + } +@@ -324,9 +398,12 @@ static int shared_getxattr(struct inode *inode, struct getxattr_iter *it) + ret = xattr_foreach(&it->it, &find_xattr_handlers, NULL); + if (ret >= 0) + break; ++ ++ if (ret != -ENOATTR) /* -ENOMEM, -EIO, etc. */ ++ break; + } + if (vi->xattr_shared_count) +- xattr_iter_end(&it->it, true); ++ xattr_iter_end_final(&it->it); + + return ret < 0 ? ret : it->buffer_size; + } +@@ -351,7 +428,9 @@ int erofs_getxattr(struct inode *inode, int index, + if (unlikely(name == NULL)) + return -EINVAL; + +- init_inode_xattrs(inode); ++ ret = init_inode_xattrs(inode); ++ if (ret) ++ return ret; + + it.index = index; + +@@ -374,7 +453,6 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, void *buffer, size_t size) + { +- struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_sb_info *const sbi = EROFS_I_SB(inode); + + switch (handler->flags) { +@@ -392,9 +470,6 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler, + return -EINVAL; + } + +- if (!vi->xattr_isize) +- return -ENOATTR; +- + return erofs_getxattr(inode, handler->flags, name, buffer, size); + } + +@@ -494,7 +569,7 @@ static int xattr_skipvalue(struct xattr_iter *_it, + return 1; + } + +-static struct xattr_iter_handlers list_xattr_handlers = { ++static const struct xattr_iter_handlers list_xattr_handlers = { + .entry = xattr_entrylist, + .name = xattr_namelist, + .alloc_buffer = xattr_skipvalue, +@@ -516,7 +591,7 @@ static int inline_listxattr(struct listxattr_iter *it) + if (ret < 0) + break; + } +- xattr_iter_end(&it->it, true); ++ xattr_iter_end_final(&it->it); + return ret < 0 ? ret : it->buffer_ofs; + } + +@@ -538,8 +613,10 @@ static int shared_listxattr(struct listxattr_iter *it) + xattr_iter_end(&it->it, true); + + it->it.page = erofs_get_meta_page(inode->i_sb, +- blkaddr, false); +- BUG_ON(IS_ERR(it->it.page)); ++ blkaddr, false); ++ if (IS_ERR(it->it.page)) ++ return PTR_ERR(it->it.page); ++ + it->it.kaddr = kmap_atomic(it->it.page); + it->it.blkaddr = blkaddr; + } +@@ -549,7 +626,7 @@ static int shared_listxattr(struct listxattr_iter *it) + break; + } + if (vi->xattr_shared_count) +- xattr_iter_end(&it->it, true); ++ xattr_iter_end_final(&it->it); + + return ret < 0 ? ret : it->buffer_ofs; + } +@@ -560,7 +637,9 @@ ssize_t erofs_listxattr(struct dentry *dentry, + int ret; + struct listxattr_iter it; + +- init_inode_xattrs(d_inode(dentry)); ++ ret = init_inode_xattrs(d_inode(dentry)); ++ if (ret) ++ return ret; + + it.dentry = dentry; + it.buffer = buffer; +diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig +index d7312eed6088..91ea3083e7ad 100644 +--- a/drivers/usb/phy/Kconfig ++++ b/drivers/usb/phy/Kconfig +@@ -21,7 +21,7 @@ config AB8500_USB + + config FSL_USB2_OTG + bool "Freescale USB OTG Transceiver Driver" +- depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM ++ depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM=y && PM + depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y' + select USB_PHY + help +diff --git a/fs/autofs/expire.c b/fs/autofs/expire.c +index d441244b79df..28d9c2b1b3bb 100644 +--- a/fs/autofs/expire.c ++++ b/fs/autofs/expire.c +@@ -596,7 +596,6 @@ int autofs_expire_run(struct super_block *sb, + pkt.len = dentry->d_name.len; + memcpy(pkt.name, dentry->d_name.name, pkt.len); + pkt.name[pkt.len] = '\0'; +- dput(dentry); + + if (copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire))) + ret = -EFAULT; +@@ -609,6 +608,8 @@ int autofs_expire_run(struct super_block *sb, + complete_all(&ino->expire_complete); + spin_unlock(&sbi->fs_lock); + ++ dput(dentry); ++ + return ret; + } + +diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c +index 846c052569dd..3c14a8e45ffb 100644 +--- a/fs/autofs/inode.c ++++ b/fs/autofs/inode.c +@@ -255,8 +255,10 @@ int autofs_fill_super(struct super_block *s, void *data, int silent) + } + root_inode = autofs_get_inode(s, S_IFDIR | 0755); + root = d_make_root(root_inode); +- if (!root) ++ if (!root) { ++ ret = -ENOMEM; + goto fail_ino; ++ } + pipe = NULL; + + root->d_fsdata = ino; +diff --git a/fs/buffer.c b/fs/buffer.c +index 6f1ae3ac9789..c083c4b3c1e7 100644 +--- a/fs/buffer.c ++++ b/fs/buffer.c +@@ -200,6 +200,7 @@ __find_get_block_slow(struct block_device *bdev, sector_t block) + struct buffer_head *head; + struct page *page; + int all_mapped = 1; ++ static DEFINE_RATELIMIT_STATE(last_warned, HZ, 1); + + index = block >> (PAGE_SHIFT - bd_inode->i_blkbits); + page = find_get_page_flags(bd_mapping, index, FGP_ACCESSED); +@@ -227,15 +228,15 @@ __find_get_block_slow(struct block_device *bdev, sector_t block) + * file io on the block device and getblk. It gets dealt with + * elsewhere, don't buffer_error if we had some unmapped buffers + */ +- if (all_mapped) { +- printk("__find_get_block_slow() failed. " +- "block=%llu, b_blocknr=%llu\n", +- (unsigned long long)block, +- (unsigned long long)bh->b_blocknr); +- printk("b_state=0x%08lx, b_size=%zu\n", +- bh->b_state, bh->b_size); +- printk("device %pg blocksize: %d\n", bdev, +- 1 << bd_inode->i_blkbits); ++ ratelimit_set_flags(&last_warned, RATELIMIT_MSG_ON_RELEASE); ++ if (all_mapped && __ratelimit(&last_warned)) { ++ printk("__find_get_block_slow() failed. block=%llu, " ++ "b_blocknr=%llu, b_state=0x%08lx, b_size=%zu, " ++ "device %pg blocksize: %d\n", ++ (unsigned long long)block, ++ (unsigned long long)bh->b_blocknr, ++ bh->b_state, bh->b_size, bdev, ++ 1 << bd_inode->i_blkbits); + } + out_unlock: + spin_unlock(&bd_mapping->private_lock); +diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c +index 1e5a1171212f..a2d701775c49 100644 +--- a/fs/cifs/smb2pdu.c ++++ b/fs/cifs/smb2pdu.c +@@ -2243,10 +2243,12 @@ SMB2_open_free(struct smb_rqst *rqst) + { + int i; + +- cifs_small_buf_release(rqst->rq_iov[0].iov_base); +- for (i = 1; i < rqst->rq_nvec; i++) +- if (rqst->rq_iov[i].iov_base != smb2_padding) +- kfree(rqst->rq_iov[i].iov_base); ++ if (rqst && rqst->rq_iov) { ++ cifs_small_buf_release(rqst->rq_iov[0].iov_base); ++ for (i = 1; i < rqst->rq_nvec; i++) ++ if (rqst->rq_iov[i].iov_base != smb2_padding) ++ kfree(rqst->rq_iov[i].iov_base); ++ } + } + + int +@@ -2535,7 +2537,8 @@ SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, + void + SMB2_close_free(struct smb_rqst *rqst) + { +- cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ ++ if (rqst && rqst->rq_iov) ++ cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ + } + + int +@@ -2685,7 +2688,8 @@ SMB2_query_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, + void + SMB2_query_info_free(struct smb_rqst *rqst) + { +- cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ ++ if (rqst && rqst->rq_iov) ++ cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ + } + + static int +diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h +index 8fb7887f2b3d..437257d1116f 100644 +--- a/fs/cifs/smb2pdu.h ++++ b/fs/cifs/smb2pdu.h +@@ -84,8 +84,8 @@ + + #define NUMBER_OF_SMB2_COMMANDS 0x0013 + +-/* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */ +-#define MAX_SMB2_HDR_SIZE 0x00b0 ++/* 52 transform hdr + 64 hdr + 88 create rsp */ ++#define MAX_SMB2_HDR_SIZE 204 + + #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) + #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd) +diff --git a/fs/drop_caches.c b/fs/drop_caches.c +index 82377017130f..d31b6c72b476 100644 +--- a/fs/drop_caches.c ++++ b/fs/drop_caches.c +@@ -21,8 +21,13 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused) + spin_lock(&sb->s_inode_list_lock); + list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { + spin_lock(&inode->i_lock); ++ /* ++ * We must skip inodes in unusual state. We may also skip ++ * inodes without pages but we deliberately won't in case ++ * we need to reschedule to avoid softlockups. ++ */ + if ((inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW)) || +- (inode->i_mapping->nrpages == 0)) { ++ (inode->i_mapping->nrpages == 0 && !need_resched())) { + spin_unlock(&inode->i_lock); + continue; + } +@@ -30,6 +35,7 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused) + spin_unlock(&inode->i_lock); + spin_unlock(&sb->s_inode_list_lock); + ++ cond_resched(); + invalidate_mapping_pages(inode->i_mapping, 0, -1); + iput(toput_inode); + toput_inode = inode; +diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c +index 4614ee25f621..9d566e62684c 100644 +--- a/fs/gfs2/glock.c ++++ b/fs/gfs2/glock.c +@@ -107,7 +107,7 @@ static int glock_wake_function(wait_queue_entry_t *wait, unsigned int mode, + + static wait_queue_head_t *glock_waitqueue(struct lm_lockname *name) + { +- u32 hash = jhash2((u32 *)name, sizeof(*name) / 4, 0); ++ u32 hash = jhash2((u32 *)name, ht_parms.key_len / 4, 0); + + return glock_wait_table + hash_32(hash, GLOCK_WAIT_TABLE_BITS); + } +diff --git a/fs/iomap.c b/fs/iomap.c +index e57fb1e534c5..fac45206418a 100644 +--- a/fs/iomap.c ++++ b/fs/iomap.c +@@ -117,6 +117,12 @@ iomap_page_create(struct inode *inode, struct page *page) + atomic_set(&iop->read_count, 0); + atomic_set(&iop->write_count, 0); + bitmap_zero(iop->uptodate, PAGE_SIZE / SECTOR_SIZE); ++ ++ /* ++ * migrate_page_move_mapping() assumes that pages with private data have ++ * their count elevated by 1. ++ */ ++ get_page(page); + set_page_private(page, (unsigned long)iop); + SetPagePrivate(page); + return iop; +@@ -133,6 +139,7 @@ iomap_page_release(struct page *page) + WARN_ON_ONCE(atomic_read(&iop->write_count)); + ClearPagePrivate(page); + set_page_private(page, 0); ++ put_page(page); + kfree(iop); + } + +@@ -565,8 +572,10 @@ iomap_migrate_page(struct address_space *mapping, struct page *newpage, + + if (page_has_private(page)) { + ClearPagePrivate(page); ++ get_page(newpage); + set_page_private(newpage, page_private(page)); + set_page_private(page, 0); ++ put_page(page); + SetPagePrivate(newpage); + } + +@@ -1778,6 +1787,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + loff_t pos = iocb->ki_pos, start = pos; + loff_t end = iocb->ki_pos + count - 1, ret = 0; + unsigned int flags = IOMAP_DIRECT; ++ bool wait_for_completion = is_sync_kiocb(iocb); + struct blk_plug plug; + struct iomap_dio *dio; + +@@ -1797,7 +1807,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + dio->end_io = end_io; + dio->error = 0; + dio->flags = 0; +- dio->wait_for_completion = is_sync_kiocb(iocb); + + dio->submit.iter = iter; + dio->submit.waiter = current; +@@ -1852,7 +1861,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + dio_warn_stale_pagecache(iocb->ki_filp); + ret = 0; + +- if (iov_iter_rw(iter) == WRITE && !dio->wait_for_completion && ++ if (iov_iter_rw(iter) == WRITE && !wait_for_completion && + !inode->i_sb->s_dio_done_wq) { + ret = sb_init_dio_done_wq(inode->i_sb); + if (ret < 0) +@@ -1868,7 +1877,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + if (ret <= 0) { + /* magic error code to fall back to buffered I/O */ + if (ret == -ENOTBLK) { +- dio->wait_for_completion = true; ++ wait_for_completion = true; + ret = 0; + } + break; +@@ -1890,8 +1899,24 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + if (dio->flags & IOMAP_DIO_WRITE_FUA) + dio->flags &= ~IOMAP_DIO_NEED_SYNC; + ++ /* ++ * We are about to drop our additional submission reference, which ++ * might be the last reference to the dio. There are three three ++ * different ways we can progress here: ++ * ++ * (a) If this is the last reference we will always complete and free ++ * the dio ourselves. ++ * (b) If this is not the last reference, and we serve an asynchronous ++ * iocb, we must never touch the dio after the decrement, the ++ * I/O completion handler will complete and free it. ++ * (c) If this is not the last reference, but we serve a synchronous ++ * iocb, the I/O completion handler will wake us up on the drop ++ * of the final reference, and we will complete and free it here ++ * after we got woken by the I/O completion handler. ++ */ ++ dio->wait_for_completion = wait_for_completion; + if (!atomic_dec_and_test(&dio->ref)) { +- if (!dio->wait_for_completion) ++ if (!wait_for_completion) + return -EIOCBQUEUED; + + for (;;) { +@@ -1908,9 +1933,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, + __set_current_state(TASK_RUNNING); + } + +- ret = iomap_dio_complete(dio); +- +- return ret; ++ return iomap_dio_complete(dio); + + out_free_dio: + kfree(dio); +diff --git a/fs/nfs/super.c b/fs/nfs/super.c +index 5ef2c71348bd..6b666d187907 100644 +--- a/fs/nfs/super.c ++++ b/fs/nfs/super.c +@@ -1906,6 +1906,11 @@ static int nfs_parse_devname(const char *dev_name, + size_t len; + char *end; + ++ if (unlikely(!dev_name || !*dev_name)) { ++ dfprintk(MOUNT, "NFS: device name not specified\n"); ++ return -EINVAL; ++ } ++ + /* Is the host name protected with square brakcets? */ + if (*dev_name == '[') { + end = strchr(++dev_name, ']'); +diff --git a/fs/proc/generic.c b/fs/proc/generic.c +index 8ae109429a88..e39bac94dead 100644 +--- a/fs/proc/generic.c ++++ b/fs/proc/generic.c +@@ -256,7 +256,7 @@ struct dentry *proc_lookup_de(struct inode *dir, struct dentry *dentry, + inode = proc_get_inode(dir->i_sb, de); + if (!inode) + return ERR_PTR(-ENOMEM); +- d_set_d_op(dentry, &proc_misc_dentry_ops); ++ d_set_d_op(dentry, de->proc_dops); + return d_splice_alias(inode, dentry); + } + read_unlock(&proc_subdir_lock); +@@ -429,6 +429,8 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, + INIT_LIST_HEAD(&ent->pde_openers); + proc_set_user(ent, (*parent)->uid, (*parent)->gid); + ++ ent->proc_dops = &proc_misc_dentry_ops; ++ + out: + return ent; + } +diff --git a/fs/proc/internal.h b/fs/proc/internal.h +index 5185d7f6a51e..95b14196f284 100644 +--- a/fs/proc/internal.h ++++ b/fs/proc/internal.h +@@ -44,6 +44,7 @@ struct proc_dir_entry { + struct completion *pde_unload_completion; + const struct inode_operations *proc_iops; + const struct file_operations *proc_fops; ++ const struct dentry_operations *proc_dops; + union { + const struct seq_operations *seq_ops; + int (*single_show)(struct seq_file *, void *); +diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c +index d5e0fcb3439e..a7b12435519e 100644 +--- a/fs/proc/proc_net.c ++++ b/fs/proc/proc_net.c +@@ -38,6 +38,22 @@ static struct net *get_proc_net(const struct inode *inode) + return maybe_get_net(PDE_NET(PDE(inode))); + } + ++static int proc_net_d_revalidate(struct dentry *dentry, unsigned int flags) ++{ ++ return 0; ++} ++ ++static const struct dentry_operations proc_net_dentry_ops = { ++ .d_revalidate = proc_net_d_revalidate, ++ .d_delete = always_delete_dentry, ++}; ++ ++static void pde_force_lookup(struct proc_dir_entry *pde) ++{ ++ /* /proc/net/ entries can be changed under us by setns(CLONE_NEWNET) */ ++ pde->proc_dops = &proc_net_dentry_ops; ++} ++ + static int seq_open_net(struct inode *inode, struct file *file) + { + unsigned int state_size = PDE(inode)->state_size; +@@ -90,6 +106,7 @@ struct proc_dir_entry *proc_create_net_data(const char *name, umode_t mode, + p = proc_create_reg(name, mode, &parent, data); + if (!p) + return NULL; ++ pde_force_lookup(p); + p->proc_fops = &proc_net_seq_fops; + p->seq_ops = ops; + p->state_size = state_size; +@@ -133,6 +150,7 @@ struct proc_dir_entry *proc_create_net_data_write(const char *name, umode_t mode + p = proc_create_reg(name, mode, &parent, data); + if (!p) + return NULL; ++ pde_force_lookup(p); + p->proc_fops = &proc_net_seq_fops; + p->seq_ops = ops; + p->state_size = state_size; +@@ -181,6 +199,7 @@ struct proc_dir_entry *proc_create_net_single(const char *name, umode_t mode, + p = proc_create_reg(name, mode, &parent, data); + if (!p) + return NULL; ++ pde_force_lookup(p); + p->proc_fops = &proc_net_single_fops; + p->single_show = show; + return proc_register(parent, p); +@@ -223,6 +242,7 @@ struct proc_dir_entry *proc_create_net_single_write(const char *name, umode_t mo + p = proc_create_reg(name, mode, &parent, data); + if (!p) + return NULL; ++ pde_force_lookup(p); + p->proc_fops = &proc_net_single_fops; + p->single_show = show; + p->write = write; +diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h +index bfe1639df02d..97fc498dc767 100644 +--- a/include/drm/drm_cache.h ++++ b/include/drm/drm_cache.h +@@ -47,6 +47,24 @@ static inline bool drm_arch_can_wc_memory(void) + return false; + #elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3) + return false; ++#elif defined(CONFIG_ARM) || defined(CONFIG_ARM64) ++ /* ++ * The DRM driver stack is designed to work with cache coherent devices ++ * only, but permits an optimization to be enabled in some cases, where ++ * for some buffers, both the CPU and the GPU use uncached mappings, ++ * removing the need for DMA snooping and allocation in the CPU caches. ++ * ++ * The use of uncached GPU mappings relies on the correct implementation ++ * of the PCIe NoSnoop TLP attribute by the platform, otherwise the GPU ++ * will use cached mappings nonetheless. On x86 platforms, this does not ++ * seem to matter, as uncached CPU mappings will snoop the caches in any ++ * case. However, on ARM and arm64, enabling this optimization on a ++ * platform where NoSnoop is ignored results in loss of coherency, which ++ * breaks correct operation of the device. Since we have no way of ++ * detecting whether NoSnoop works or not, just disable this ++ * optimization entirely for ARM and arm64. ++ */ ++ return false; + #else + return true; + #endif +diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h +index 8bdbb5f29494..3188c0bef3e7 100644 +--- a/include/linux/irqchip/arm-gic-v3.h ++++ b/include/linux/irqchip/arm-gic-v3.h +@@ -319,7 +319,7 @@ + #define GITS_TYPER_PLPIS (1UL << 0) + #define GITS_TYPER_VLPIS (1UL << 1) + #define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4 +-#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1) ++#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0xf) + 1) + #define GITS_TYPER_IDBITS_SHIFT 8 + #define GITS_TYPER_DEVBITS_SHIFT 13 + #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) +diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h +index 7ddfc65586b0..4335bd771ce5 100644 +--- a/include/linux/stmmac.h ++++ b/include/linux/stmmac.h +@@ -184,6 +184,7 @@ struct plat_stmmacenet_data { + struct clk *pclk; + struct clk *clk_ptp_ref; + unsigned int clk_ptp_rate; ++ unsigned int clk_ref_rate; + struct reset_control *stmmac_rst; + struct stmmac_axi *axi; + int has_gmac4; +diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c +index 03cc59ee9c95..cebadd6af4d9 100644 +--- a/kernel/bpf/hashtab.c ++++ b/kernel/bpf/hashtab.c +@@ -677,7 +677,7 @@ static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l) + } + + if (htab_is_prealloc(htab)) { +- pcpu_freelist_push(&htab->freelist, &l->fnode); ++ __pcpu_freelist_push(&htab->freelist, &l->fnode); + } else { + atomic_dec(&htab->count); + l->htab = htab; +@@ -739,7 +739,7 @@ static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key, + } else { + struct pcpu_freelist_node *l; + +- l = pcpu_freelist_pop(&htab->freelist); ++ l = __pcpu_freelist_pop(&htab->freelist); + if (!l) + return ERR_PTR(-E2BIG); + l_new = container_of(l, struct htab_elem, fnode); +diff --git a/kernel/bpf/percpu_freelist.c b/kernel/bpf/percpu_freelist.c +index 673fa6fe2d73..0c1b4ba9e90e 100644 +--- a/kernel/bpf/percpu_freelist.c ++++ b/kernel/bpf/percpu_freelist.c +@@ -28,8 +28,8 @@ void pcpu_freelist_destroy(struct pcpu_freelist *s) + free_percpu(s->freelist); + } + +-static inline void __pcpu_freelist_push(struct pcpu_freelist_head *head, +- struct pcpu_freelist_node *node) ++static inline void ___pcpu_freelist_push(struct pcpu_freelist_head *head, ++ struct pcpu_freelist_node *node) + { + raw_spin_lock(&head->lock); + node->next = head->first; +@@ -37,12 +37,22 @@ static inline void __pcpu_freelist_push(struct pcpu_freelist_head *head, + raw_spin_unlock(&head->lock); + } + +-void pcpu_freelist_push(struct pcpu_freelist *s, ++void __pcpu_freelist_push(struct pcpu_freelist *s, + struct pcpu_freelist_node *node) + { + struct pcpu_freelist_head *head = this_cpu_ptr(s->freelist); + +- __pcpu_freelist_push(head, node); ++ ___pcpu_freelist_push(head, node); ++} ++ ++void pcpu_freelist_push(struct pcpu_freelist *s, ++ struct pcpu_freelist_node *node) ++{ ++ unsigned long flags; ++ ++ local_irq_save(flags); ++ __pcpu_freelist_push(s, node); ++ local_irq_restore(flags); + } + + void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size, +@@ -63,7 +73,7 @@ void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size, + for_each_possible_cpu(cpu) { + again: + head = per_cpu_ptr(s->freelist, cpu); +- __pcpu_freelist_push(head, buf); ++ ___pcpu_freelist_push(head, buf); + i++; + buf += elem_size; + if (i == nr_elems) +@@ -74,14 +84,12 @@ again: + local_irq_restore(flags); + } + +-struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *s) ++struct pcpu_freelist_node *__pcpu_freelist_pop(struct pcpu_freelist *s) + { + struct pcpu_freelist_head *head; + struct pcpu_freelist_node *node; +- unsigned long flags; + int orig_cpu, cpu; + +- local_irq_save(flags); + orig_cpu = cpu = raw_smp_processor_id(); + while (1) { + head = per_cpu_ptr(s->freelist, cpu); +@@ -89,16 +97,25 @@ struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *s) + node = head->first; + if (node) { + head->first = node->next; +- raw_spin_unlock_irqrestore(&head->lock, flags); ++ raw_spin_unlock(&head->lock); + return node; + } + raw_spin_unlock(&head->lock); + cpu = cpumask_next(cpu, cpu_possible_mask); + if (cpu >= nr_cpu_ids) + cpu = 0; +- if (cpu == orig_cpu) { +- local_irq_restore(flags); ++ if (cpu == orig_cpu) + return NULL; +- } + } + } ++ ++struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *s) ++{ ++ struct pcpu_freelist_node *ret; ++ unsigned long flags; ++ ++ local_irq_save(flags); ++ ret = __pcpu_freelist_pop(s); ++ local_irq_restore(flags); ++ return ret; ++} +diff --git a/kernel/bpf/percpu_freelist.h b/kernel/bpf/percpu_freelist.h +index 3049aae8ea1e..c3960118e617 100644 +--- a/kernel/bpf/percpu_freelist.h ++++ b/kernel/bpf/percpu_freelist.h +@@ -22,8 +22,12 @@ struct pcpu_freelist_node { + struct pcpu_freelist_node *next; + }; + ++/* pcpu_freelist_* do spin_lock_irqsave. */ + void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *); + struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *); ++/* __pcpu_freelist_* do spin_lock only. caller must disable irqs. */ ++void __pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *); ++struct pcpu_freelist_node *__pcpu_freelist_pop(struct pcpu_freelist *); + void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size, + u32 nr_elems); + int pcpu_freelist_init(struct pcpu_freelist *); +diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c +index 382c09dddf93..cc40b8be1171 100644 +--- a/kernel/bpf/syscall.c ++++ b/kernel/bpf/syscall.c +@@ -701,8 +701,13 @@ static int map_lookup_elem(union bpf_attr *attr) + + if (bpf_map_is_dev_bound(map)) { + err = bpf_map_offload_lookup_elem(map, key, value); +- } else if (map->map_type == BPF_MAP_TYPE_PERCPU_HASH || +- map->map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH) { ++ goto done; ++ } ++ ++ preempt_disable(); ++ this_cpu_inc(bpf_prog_active); ++ if (map->map_type == BPF_MAP_TYPE_PERCPU_HASH || ++ map->map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH) { + err = bpf_percpu_hash_copy(map, key, value); + } else if (map->map_type == BPF_MAP_TYPE_PERCPU_ARRAY) { + err = bpf_percpu_array_copy(map, key, value); +@@ -722,7 +727,10 @@ static int map_lookup_elem(union bpf_attr *attr) + rcu_read_unlock(); + err = ptr ? 0 : -ENOENT; + } ++ this_cpu_dec(bpf_prog_active); ++ preempt_enable(); + ++done: + if (err) + goto free_value; + +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 4fb9d5054618..aa996a0854b9 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -436,18 +436,18 @@ int perf_proc_update_handler(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) + { +- int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); +- +- if (ret || !write) +- return ret; +- ++ int ret; ++ int perf_cpu = sysctl_perf_cpu_time_max_percent; + /* + * If throttling is disabled don't allow the write: + */ +- if (sysctl_perf_cpu_time_max_percent == 100 || +- sysctl_perf_cpu_time_max_percent == 0) ++ if (write && (perf_cpu == 100 || perf_cpu == 0)) + return -EINVAL; + ++ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); ++ if (ret || !write) ++ return ret; ++ + max_samples_per_tick = DIV_ROUND_UP(sysctl_perf_event_sample_rate, HZ); + perf_sample_period_ns = NSEC_PER_SEC / sysctl_perf_event_sample_rate; + update_perf_cpu_limits(); +diff --git a/kernel/relay.c b/kernel/relay.c +index 04f248644e06..9e0f52375487 100644 +--- a/kernel/relay.c ++++ b/kernel/relay.c +@@ -428,6 +428,8 @@ static struct dentry *relay_create_buf_file(struct rchan *chan, + dentry = chan->cb->create_buf_file(tmpname, chan->parent, + S_IRUSR, buf, + &chan->is_global); ++ if (IS_ERR(dentry)) ++ dentry = NULL; + + kfree(tmpname); + +@@ -461,7 +463,7 @@ static struct rchan_buf *relay_open_buf(struct rchan *chan, unsigned int cpu) + dentry = chan->cb->create_buf_file(NULL, NULL, + S_IRUSR, buf, + &chan->is_global); +- if (WARN_ON(dentry)) ++ if (IS_ERR_OR_NULL(dentry)) + goto free_buf; + } + +diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c +index 9864a35c8bb5..6c28d519447d 100644 +--- a/kernel/trace/bpf_trace.c ++++ b/kernel/trace/bpf_trace.c +@@ -1158,22 +1158,12 @@ static int __bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog * + + int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog) + { +- int err; +- +- mutex_lock(&bpf_event_mutex); +- err = __bpf_probe_register(btp, prog); +- mutex_unlock(&bpf_event_mutex); +- return err; ++ return __bpf_probe_register(btp, prog); + } + + int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog) + { +- int err; +- +- mutex_lock(&bpf_event_mutex); +- err = tracepoint_probe_unregister(btp->tp, (void *)btp->bpf_func, prog); +- mutex_unlock(&bpf_event_mutex); +- return err; ++ return tracepoint_probe_unregister(btp->tp, (void *)btp->bpf_func, prog); + } + + int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id, +diff --git a/lib/test_kmod.c b/lib/test_kmod.c +index d82d022111e0..9cf77628fc91 100644 +--- a/lib/test_kmod.c ++++ b/lib/test_kmod.c +@@ -632,7 +632,7 @@ static void __kmod_config_free(struct test_config *config) + config->test_driver = NULL; + + kfree_const(config->test_fs); +- config->test_driver = NULL; ++ config->test_fs = NULL; + } + + static void kmod_config_free(struct kmod_test_device *test_dev) +diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c +index c6119ad3561e..156991edec2a 100644 +--- a/mm/memory_hotplug.c ++++ b/mm/memory_hotplug.c +@@ -1213,11 +1213,13 @@ static inline int pageblock_free(struct page *page) + return PageBuddy(page) && page_order(page) >= pageblock_order; + } + +-/* Return the start of the next active pageblock after a given page */ +-static struct page *next_active_pageblock(struct page *page) ++/* Return the pfn of the start of the next active pageblock after a given pfn */ ++static unsigned long next_active_pageblock(unsigned long pfn) + { ++ struct page *page = pfn_to_page(pfn); ++ + /* Ensure the starting page is pageblock-aligned */ +- BUG_ON(page_to_pfn(page) & (pageblock_nr_pages - 1)); ++ BUG_ON(pfn & (pageblock_nr_pages - 1)); + + /* If the entire pageblock is free, move to the end of free page */ + if (pageblock_free(page)) { +@@ -1225,16 +1227,16 @@ static struct page *next_active_pageblock(struct page *page) + /* be careful. we don't have locks, page_order can be changed.*/ + order = page_order(page); + if ((order < MAX_ORDER) && (order >= pageblock_order)) +- return page + (1 << order); ++ return pfn + (1 << order); + } + +- return page + pageblock_nr_pages; ++ return pfn + pageblock_nr_pages; + } + +-static bool is_pageblock_removable_nolock(struct page *page) ++static bool is_pageblock_removable_nolock(unsigned long pfn) + { ++ struct page *page = pfn_to_page(pfn); + struct zone *zone; +- unsigned long pfn; + + /* + * We have to be careful here because we are iterating over memory +@@ -1257,12 +1259,14 @@ static bool is_pageblock_removable_nolock(struct page *page) + /* Checks if this range of memory is likely to be hot-removable. */ + bool is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) + { +- struct page *page = pfn_to_page(start_pfn); +- struct page *end_page = page + nr_pages; ++ unsigned long end_pfn, pfn; ++ ++ end_pfn = min(start_pfn + nr_pages, ++ zone_end_pfn(page_zone(pfn_to_page(start_pfn)))); + + /* Check the starting page of each pageblock within the range */ +- for (; page < end_page; page = next_active_pageblock(page)) { +- if (!is_pageblock_removable_nolock(page)) ++ for (pfn = start_pfn; pfn < end_pfn; pfn = next_active_pageblock(pfn)) { ++ if (!is_pageblock_removable_nolock(pfn)) + return false; + cond_resched(); + } +@@ -1298,6 +1302,9 @@ int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn, + i++; + if (i == MAX_ORDER_NR_PAGES || pfn + i >= end_pfn) + continue; ++ /* Check if we got outside of the zone */ ++ if (zone && !zone_spans_pfn(zone, pfn + i)) ++ return 0; + page = pfn_to_page(pfn + i); + if (zone && page_zone(page) != zone) + return 0; +diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c +index e8090f099eb8..ef0dec20c7d8 100644 +--- a/net/batman-adv/bat_v_elp.c ++++ b/net/batman-adv/bat_v_elp.c +@@ -104,6 +104,9 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh) + + ret = cfg80211_get_station(real_netdev, neigh->addr, &sinfo); + ++ /* free the TID stats immediately */ ++ cfg80211_sinfo_release_content(&sinfo); ++ + dev_put(real_netdev); + if (ret == -ENOENT) { + /* Node is not associated anymore! It would be +diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c +index 5e55cef0cec3..6693e209efe8 100644 +--- a/net/bridge/netfilter/ebtables.c ++++ b/net/bridge/netfilter/ebtables.c +@@ -2293,9 +2293,12 @@ static int compat_do_replace(struct net *net, void __user *user, + + xt_compat_lock(NFPROTO_BRIDGE); + +- ret = xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries); +- if (ret < 0) +- goto out_unlock; ++ if (tmp.nentries) { ++ ret = xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries); ++ if (ret < 0) ++ goto out_unlock; ++ } ++ + ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state); + if (ret < 0) + goto out_unlock; +diff --git a/net/core/filter.c b/net/core/filter.c +index fb0080e84bd4..bed9061102f4 100644 +--- a/net/core/filter.c ++++ b/net/core/filter.c +@@ -3909,10 +3909,12 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock, + /* Only some socketops are supported */ + switch (optname) { + case SO_RCVBUF: ++ val = min_t(u32, val, sysctl_rmem_max); + sk->sk_userlocks |= SOCK_RCVBUF_LOCK; + sk->sk_rcvbuf = max_t(int, val * 2, SOCK_MIN_RCVBUF); + break; + case SO_SNDBUF: ++ val = min_t(u32, val, sysctl_wmem_max); + sk->sk_userlocks |= SOCK_SNDBUF_LOCK; + sk->sk_sndbuf = max_t(int, val * 2, SOCK_MIN_SNDBUF); + break; +diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c +index 7f56944b020f..40a7cd56e008 100644 +--- a/net/ipv4/ip_vti.c ++++ b/net/ipv4/ip_vti.c +@@ -74,6 +74,33 @@ drop: + return 0; + } + ++static int vti_input_ipip(struct sk_buff *skb, int nexthdr, __be32 spi, ++ int encap_type) ++{ ++ struct ip_tunnel *tunnel; ++ const struct iphdr *iph = ip_hdr(skb); ++ struct net *net = dev_net(skb->dev); ++ struct ip_tunnel_net *itn = net_generic(net, vti_net_id); ++ ++ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY, ++ iph->saddr, iph->daddr, 0); ++ if (tunnel) { ++ if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) ++ goto drop; ++ ++ XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = tunnel; ++ ++ skb->dev = tunnel->dev; ++ ++ return xfrm_input(skb, nexthdr, spi, encap_type); ++ } ++ ++ return -EINVAL; ++drop: ++ kfree_skb(skb); ++ return 0; ++} ++ + static int vti_rcv(struct sk_buff *skb) + { + XFRM_SPI_SKB_CB(skb)->family = AF_INET; +@@ -82,6 +109,14 @@ static int vti_rcv(struct sk_buff *skb) + return vti_input(skb, ip_hdr(skb)->protocol, 0, 0); + } + ++static int vti_rcv_ipip(struct sk_buff *skb) ++{ ++ XFRM_SPI_SKB_CB(skb)->family = AF_INET; ++ XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr); ++ ++ return vti_input_ipip(skb, ip_hdr(skb)->protocol, ip_hdr(skb)->saddr, 0); ++} ++ + static int vti_rcv_cb(struct sk_buff *skb, int err) + { + unsigned short family; +@@ -435,6 +470,12 @@ static struct xfrm4_protocol vti_ipcomp4_protocol __read_mostly = { + .priority = 100, + }; + ++static struct xfrm_tunnel ipip_handler __read_mostly = { ++ .handler = vti_rcv_ipip, ++ .err_handler = vti4_err, ++ .priority = 0, ++}; ++ + static int __net_init vti_init_net(struct net *net) + { + int err; +@@ -603,6 +644,13 @@ static int __init vti_init(void) + if (err < 0) + goto xfrm_proto_comp_failed; + ++ msg = "ipip tunnel"; ++ err = xfrm4_tunnel_register(&ipip_handler, AF_INET); ++ if (err < 0) { ++ pr_info("%s: cant't register tunnel\n",__func__); ++ goto xfrm_tunnel_failed; ++ } ++ + msg = "netlink interface"; + err = rtnl_link_register(&vti_link_ops); + if (err < 0) +@@ -612,6 +660,8 @@ static int __init vti_init(void) + + rtnl_link_failed: + xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP); ++xfrm_tunnel_failed: ++ xfrm4_tunnel_deregister(&ipip_handler, AF_INET); + xfrm_proto_comp_failed: + xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH); + xfrm_proto_ah_failed: +diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c +index 518364f4abcc..55a77314340a 100644 +--- a/net/netfilter/ipvs/ip_vs_ctl.c ++++ b/net/netfilter/ipvs/ip_vs_ctl.c +@@ -2220,6 +2220,18 @@ static int ip_vs_set_timeout(struct netns_ipvs *ipvs, struct ip_vs_timeout_user + u->tcp_fin_timeout, + u->udp_timeout); + ++#ifdef CONFIG_IP_VS_PROTO_TCP ++ if (u->tcp_timeout < 0 || u->tcp_timeout > (INT_MAX / HZ) || ++ u->tcp_fin_timeout < 0 || u->tcp_fin_timeout > (INT_MAX / HZ)) { ++ return -EINVAL; ++ } ++#endif ++ ++#ifdef CONFIG_IP_VS_PROTO_UDP ++ if (u->udp_timeout < 0 || u->udp_timeout > (INT_MAX / HZ)) ++ return -EINVAL; ++#endif ++ + #ifdef CONFIG_IP_VS_PROTO_TCP + if (u->tcp_timeout) { + pd = ip_vs_proto_data_get(ipvs, IPPROTO_TCP); +diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c +index 277d02a8cac8..895171a2e1f1 100644 +--- a/net/netfilter/nf_conntrack_core.c ++++ b/net/netfilter/nf_conntrack_core.c +@@ -1007,6 +1007,22 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, + } + + if (nf_ct_key_equal(h, tuple, zone, net)) { ++ /* Tuple is taken already, so caller will need to find ++ * a new source port to use. ++ * ++ * Only exception: ++ * If the *original tuples* are identical, then both ++ * conntracks refer to the same flow. ++ * This is a rare situation, it can occur e.g. when ++ * more than one UDP packet is sent from same socket ++ * in different threads. ++ * ++ * Let nf_ct_resolve_clash() deal with this later. ++ */ ++ if (nf_ct_tuple_equal(&ignored_conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple, ++ &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple)) ++ continue; ++ + NF_CT_STAT_INC_ATOMIC(net, found); + rcu_read_unlock(); + return 1; +diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c +index 0d0d68c989df..1dae02a97ee3 100644 +--- a/net/netfilter/xt_TEE.c ++++ b/net/netfilter/xt_TEE.c +@@ -14,6 +14,8 @@ + #include <linux/skbuff.h> + #include <linux/route.h> + #include <linux/netfilter/x_tables.h> ++#include <net/net_namespace.h> ++#include <net/netns/generic.h> + #include <net/route.h> + #include <net/netfilter/ipv4/nf_dup_ipv4.h> + #include <net/netfilter/ipv6/nf_dup_ipv6.h> +@@ -25,8 +27,15 @@ struct xt_tee_priv { + int oif; + }; + ++static unsigned int tee_net_id __read_mostly; + static const union nf_inet_addr tee_zero_address; + ++struct tee_net { ++ struct list_head priv_list; ++ /* lock protects the priv_list */ ++ struct mutex lock; ++}; ++ + static unsigned int + tee_tg4(struct sk_buff *skb, const struct xt_action_param *par) + { +@@ -51,17 +60,16 @@ tee_tg6(struct sk_buff *skb, const struct xt_action_param *par) + } + #endif + +-static DEFINE_MUTEX(priv_list_mutex); +-static LIST_HEAD(priv_list); +- + static int tee_netdev_event(struct notifier_block *this, unsigned long event, + void *ptr) + { + struct net_device *dev = netdev_notifier_info_to_dev(ptr); ++ struct net *net = dev_net(dev); ++ struct tee_net *tn = net_generic(net, tee_net_id); + struct xt_tee_priv *priv; + +- mutex_lock(&priv_list_mutex); +- list_for_each_entry(priv, &priv_list, list) { ++ mutex_lock(&tn->lock); ++ list_for_each_entry(priv, &tn->priv_list, list) { + switch (event) { + case NETDEV_REGISTER: + if (!strcmp(dev->name, priv->tginfo->oif)) +@@ -79,13 +87,14 @@ static int tee_netdev_event(struct notifier_block *this, unsigned long event, + break; + } + } +- mutex_unlock(&priv_list_mutex); ++ mutex_unlock(&tn->lock); + + return NOTIFY_DONE; + } + + static int tee_tg_check(const struct xt_tgchk_param *par) + { ++ struct tee_net *tn = net_generic(par->net, tee_net_id); + struct xt_tee_tginfo *info = par->targinfo; + struct xt_tee_priv *priv; + +@@ -95,6 +104,8 @@ static int tee_tg_check(const struct xt_tgchk_param *par) + return -EINVAL; + + if (info->oif[0]) { ++ struct net_device *dev; ++ + if (info->oif[sizeof(info->oif)-1] != '\0') + return -EINVAL; + +@@ -106,9 +117,14 @@ static int tee_tg_check(const struct xt_tgchk_param *par) + priv->oif = -1; + info->priv = priv; + +- mutex_lock(&priv_list_mutex); +- list_add(&priv->list, &priv_list); +- mutex_unlock(&priv_list_mutex); ++ dev = dev_get_by_name(par->net, info->oif); ++ if (dev) { ++ priv->oif = dev->ifindex; ++ dev_put(dev); ++ } ++ mutex_lock(&tn->lock); ++ list_add(&priv->list, &tn->priv_list); ++ mutex_unlock(&tn->lock); + } else + info->priv = NULL; + +@@ -118,12 +134,13 @@ static int tee_tg_check(const struct xt_tgchk_param *par) + + static void tee_tg_destroy(const struct xt_tgdtor_param *par) + { ++ struct tee_net *tn = net_generic(par->net, tee_net_id); + struct xt_tee_tginfo *info = par->targinfo; + + if (info->priv) { +- mutex_lock(&priv_list_mutex); ++ mutex_lock(&tn->lock); + list_del(&info->priv->list); +- mutex_unlock(&priv_list_mutex); ++ mutex_unlock(&tn->lock); + kfree(info->priv); + } + static_key_slow_dec(&xt_tee_enabled); +@@ -156,6 +173,21 @@ static struct xt_target tee_tg_reg[] __read_mostly = { + #endif + }; + ++static int __net_init tee_net_init(struct net *net) ++{ ++ struct tee_net *tn = net_generic(net, tee_net_id); ++ ++ INIT_LIST_HEAD(&tn->priv_list); ++ mutex_init(&tn->lock); ++ return 0; ++} ++ ++static struct pernet_operations tee_net_ops = { ++ .init = tee_net_init, ++ .id = &tee_net_id, ++ .size = sizeof(struct tee_net), ++}; ++ + static struct notifier_block tee_netdev_notifier = { + .notifier_call = tee_netdev_event, + }; +@@ -164,22 +196,32 @@ static int __init tee_tg_init(void) + { + int ret; + +- ret = xt_register_targets(tee_tg_reg, ARRAY_SIZE(tee_tg_reg)); +- if (ret) ++ ret = register_pernet_subsys(&tee_net_ops); ++ if (ret < 0) + return ret; ++ ++ ret = xt_register_targets(tee_tg_reg, ARRAY_SIZE(tee_tg_reg)); ++ if (ret < 0) ++ goto cleanup_subsys; ++ + ret = register_netdevice_notifier(&tee_netdev_notifier); +- if (ret) { +- xt_unregister_targets(tee_tg_reg, ARRAY_SIZE(tee_tg_reg)); +- return ret; +- } ++ if (ret < 0) ++ goto unregister_targets; + + return 0; ++ ++unregister_targets: ++ xt_unregister_targets(tee_tg_reg, ARRAY_SIZE(tee_tg_reg)); ++cleanup_subsys: ++ unregister_pernet_subsys(&tee_net_ops); ++ return ret; + } + + static void __exit tee_tg_exit(void) + { + unregister_netdevice_notifier(&tee_netdev_notifier); + xt_unregister_targets(tee_tg_reg, ARRAY_SIZE(tee_tg_reg)); ++ unregister_pernet_subsys(&tee_net_ops); + } + + module_init(tee_tg_init); +diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c +index 5d3cce9e8744..15eb5d3d4750 100644 +--- a/net/vmw_vsock/virtio_transport.c ++++ b/net/vmw_vsock/virtio_transport.c +@@ -75,6 +75,9 @@ static u32 virtio_transport_get_local_cid(void) + { + struct virtio_vsock *vsock = virtio_vsock_get(); + ++ if (!vsock) ++ return VMADDR_CID_ANY; ++ + return vsock->guest_cid; + } + +@@ -584,10 +587,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev) + + virtio_vsock_update_guest_cid(vsock); + +- ret = vsock_core_init(&virtio_transport.transport); +- if (ret < 0) +- goto out_vqs; +- + vsock->rx_buf_nr = 0; + vsock->rx_buf_max_nr = 0; + atomic_set(&vsock->queued_replies, 0); +@@ -618,8 +617,6 @@ static int virtio_vsock_probe(struct virtio_device *vdev) + mutex_unlock(&the_virtio_vsock_mutex); + return 0; + +-out_vqs: +- vsock->vdev->config->del_vqs(vsock->vdev); + out: + kfree(vsock); + mutex_unlock(&the_virtio_vsock_mutex); +@@ -637,6 +634,9 @@ static void virtio_vsock_remove(struct virtio_device *vdev) + flush_work(&vsock->event_work); + flush_work(&vsock->send_pkt_work); + ++ /* Reset all connected sockets when the device disappear */ ++ vsock_for_each_connected_socket(virtio_vsock_reset_sock); ++ + vdev->config->reset(vdev); + + mutex_lock(&vsock->rx_lock); +@@ -669,7 +669,6 @@ static void virtio_vsock_remove(struct virtio_device *vdev) + + mutex_lock(&the_virtio_vsock_mutex); + the_virtio_vsock = NULL; +- vsock_core_exit(); + mutex_unlock(&the_virtio_vsock_mutex); + + vdev->config->del_vqs(vdev); +@@ -702,14 +701,28 @@ static int __init virtio_vsock_init(void) + virtio_vsock_workqueue = alloc_workqueue("virtio_vsock", 0, 0); + if (!virtio_vsock_workqueue) + return -ENOMEM; ++ + ret = register_virtio_driver(&virtio_vsock_driver); + if (ret) +- destroy_workqueue(virtio_vsock_workqueue); ++ goto out_wq; ++ ++ ret = vsock_core_init(&virtio_transport.transport); ++ if (ret) ++ goto out_vdr; ++ ++ return 0; ++ ++out_vdr: ++ unregister_virtio_driver(&virtio_vsock_driver); ++out_wq: ++ destroy_workqueue(virtio_vsock_workqueue); + return ret; ++ + } + + static void __exit virtio_vsock_exit(void) + { ++ vsock_core_exit(); + unregister_virtio_driver(&virtio_vsock_driver); + destroy_workqueue(virtio_vsock_workqueue); + } +diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c +index 08c88de0ffda..11975ec8d566 100644 +--- a/security/apparmor/domain.c ++++ b/security/apparmor/domain.c +@@ -1444,7 +1444,10 @@ check: + new = aa_label_merge(label, target, GFP_KERNEL); + if (IS_ERR_OR_NULL(new)) { + info = "failed to build target label"; +- error = PTR_ERR(new); ++ if (!new) ++ error = -ENOMEM; ++ else ++ error = PTR_ERR(new); + new = NULL; + perms.allow = 0; + goto audit; +diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c +index b455930a3eaf..ec73d83d0d31 100644 +--- a/tools/bpf/bpftool/map.c ++++ b/tools/bpf/bpftool/map.c +@@ -370,6 +370,20 @@ static char **parse_bytes(char **argv, const char *name, unsigned char *val, + return argv + i; + } + ++/* on per cpu maps we must copy the provided value on all value instances */ ++static void fill_per_cpu_value(struct bpf_map_info *info, void *value) ++{ ++ unsigned int i, n, step; ++ ++ if (!map_is_per_cpu(info->type)) ++ return; ++ ++ n = get_possible_cpus(); ++ step = round_up(info->value_size, 8); ++ for (i = 1; i < n; i++) ++ memcpy(value + i * step, value, info->value_size); ++} ++ + static int parse_elem(char **argv, struct bpf_map_info *info, + void *key, void *value, __u32 key_size, __u32 value_size, + __u32 *flags, __u32 **value_fd) +@@ -449,6 +463,8 @@ static int parse_elem(char **argv, struct bpf_map_info *info, + argv = parse_bytes(argv, "value", value, value_size); + if (!argv) + return -1; ++ ++ fill_per_cpu_value(info, value); + } + + return parse_elem(argv, info, key, NULL, key_size, value_size, +diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c +index 0de024a6cc2b..bbba0d61570f 100644 +--- a/tools/bpf/bpftool/prog.c ++++ b/tools/bpf/bpftool/prog.c +@@ -109,13 +109,14 @@ static void print_boot_time(__u64 nsecs, char *buf, unsigned int size) + + static int prog_fd_by_tag(unsigned char *tag) + { +- struct bpf_prog_info info = {}; +- __u32 len = sizeof(info); + unsigned int id = 0; + int err; + int fd; + + while (true) { ++ struct bpf_prog_info info = {}; ++ __u32 len = sizeof(info); ++ + err = bpf_prog_get_next_id(id, &id); + if (err) { + p_err("%s", strerror(errno)); +diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c +index 6c1e7ceedcf3..53c11fc0855e 100644 +--- a/tools/perf/builtin-script.c ++++ b/tools/perf/builtin-script.c +@@ -1589,13 +1589,8 @@ static void perf_sample__fprint_metric(struct perf_script *script, + .force_header = false, + }; + struct perf_evsel *ev2; +- static bool init; + u64 val; + +- if (!init) { +- perf_stat__init_shadow_stats(); +- init = true; +- } + if (!evsel->stats) + perf_evlist__alloc_stats(script->session->evlist, false); + if (evsel_script(evsel->leader)->gnum++ == 0) +@@ -1658,7 +1653,7 @@ static void process_event(struct perf_script *script, + return; + } + +- if (PRINT_FIELD(TRACE)) { ++ if (PRINT_FIELD(TRACE) && sample->raw_data) { + event_format__fprintf(evsel->tp_format, sample->cpu, + sample->raw_data, sample->raw_size, fp); + } +@@ -2214,6 +2209,8 @@ static int __cmd_script(struct perf_script *script) + + signal(SIGINT, sig_handler); + ++ perf_stat__init_shadow_stats(); ++ + /* override event processing functions */ + if (script->show_task_events) { + script->tool.comm = process_comm_event; +diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c +index 22ab8e67c760..3f43aedb384d 100644 +--- a/tools/perf/builtin-trace.c ++++ b/tools/perf/builtin-trace.c +@@ -2263,19 +2263,30 @@ static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp); + + static bool perf_evlist__add_vfs_getname(struct perf_evlist *evlist) + { +- struct perf_evsel *evsel = perf_evsel__newtp("probe", "vfs_getname"); ++ bool found = false; ++ struct perf_evsel *evsel, *tmp; ++ struct parse_events_error err = { .idx = 0, }; ++ int ret = parse_events(evlist, "probe:vfs_getname*", &err); + +- if (IS_ERR(evsel)) ++ if (ret) + return false; + +- if (perf_evsel__field(evsel, "pathname") == NULL) { ++ evlist__for_each_entry_safe(evlist, evsel, tmp) { ++ if (!strstarts(perf_evsel__name(evsel), "probe:vfs_getname")) ++ continue; ++ ++ if (perf_evsel__field(evsel, "pathname")) { ++ evsel->handler = trace__vfs_getname; ++ found = true; ++ continue; ++ } ++ ++ list_del_init(&evsel->node); ++ evsel->evlist = NULL; + perf_evsel__delete(evsel); +- return false; + } + +- evsel->handler = trace__vfs_getname; +- perf_evlist__add(evlist, evsel); +- return true; ++ return found; + } + + static struct perf_evsel *perf_evsel__new_pgfault(u64 config) +diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c +index 1ccbd3342069..383674f448fc 100644 +--- a/tools/perf/util/cpumap.c ++++ b/tools/perf/util/cpumap.c +@@ -134,7 +134,12 @@ struct cpu_map *cpu_map__new(const char *cpu_list) + if (!cpu_list) + return cpu_map__read_all_cpu_map(); + +- if (!isdigit(*cpu_list)) ++ /* ++ * must handle the case of empty cpumap to cover ++ * TOPOLOGY header for NUMA nodes with no CPU ++ * ( e.g., because of CPU hotplug) ++ */ ++ if (!isdigit(*cpu_list) && *cpu_list != '\0') + goto out; + + while (isdigit(*cpu_list)) { +@@ -181,8 +186,10 @@ struct cpu_map *cpu_map__new(const char *cpu_list) + + if (nr_cpus > 0) + cpus = cpu_map__trim_new(nr_cpus, tmp_cpus); +- else ++ else if (*cpu_list != '\0') + cpus = cpu_map__default_new(); ++ else ++ cpus = cpu_map__dummy_new(); + invalid: + free(tmp_cpus); + out: +diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c +index 6e70cc00c161..a701a8a48f00 100644 +--- a/tools/perf/util/symbol-elf.c ++++ b/tools/perf/util/symbol-elf.c +@@ -87,6 +87,11 @@ static inline uint8_t elf_sym__type(const GElf_Sym *sym) + return GELF_ST_TYPE(sym->st_info); + } + ++static inline uint8_t elf_sym__visibility(const GElf_Sym *sym) ++{ ++ return GELF_ST_VISIBILITY(sym->st_other); ++} ++ + #ifndef STT_GNU_IFUNC + #define STT_GNU_IFUNC 10 + #endif +@@ -111,7 +116,9 @@ static inline int elf_sym__is_label(const GElf_Sym *sym) + return elf_sym__type(sym) == STT_NOTYPE && + sym->st_name != 0 && + sym->st_shndx != SHN_UNDEF && +- sym->st_shndx != SHN_ABS; ++ sym->st_shndx != SHN_ABS && ++ elf_sym__visibility(sym) != STV_HIDDEN && ++ elf_sym__visibility(sym) != STV_INTERNAL; + } + + static bool elf_sym__filter(GElf_Sym *sym) +diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h +index 315a44fa32af..84fd6f1bf33e 100644 +--- a/tools/testing/selftests/bpf/bpf_util.h ++++ b/tools/testing/selftests/bpf/bpf_util.h +@@ -13,7 +13,7 @@ static inline unsigned int bpf_num_possible_cpus(void) + unsigned int start, end, possible_cpus = 0; + char buff[128]; + FILE *fp; +- int n; ++ int len, n, i, j = 0; + + fp = fopen(fcpu, "r"); + if (!fp) { +@@ -21,17 +21,27 @@ static inline unsigned int bpf_num_possible_cpus(void) + exit(1); + } + +- while (fgets(buff, sizeof(buff), fp)) { +- n = sscanf(buff, "%u-%u", &start, &end); +- if (n == 0) { +- printf("Failed to retrieve # possible CPUs!\n"); +- exit(1); +- } else if (n == 1) { +- end = start; ++ if (!fgets(buff, sizeof(buff), fp)) { ++ printf("Failed to read %s!\n", fcpu); ++ exit(1); ++ } ++ ++ len = strlen(buff); ++ for (i = 0; i <= len; i++) { ++ if (buff[i] == ',' || buff[i] == '\0') { ++ buff[i] = '\0'; ++ n = sscanf(&buff[j], "%u-%u", &start, &end); ++ if (n <= 0) { ++ printf("Failed to retrieve # possible CPUs!\n"); ++ exit(1); ++ } else if (n == 1) { ++ end = start; ++ } ++ possible_cpus += end - start + 1; ++ j = i + 1; + } +- possible_cpus = start == 0 ? end + 1 : 0; +- break; + } ++ + fclose(fp); + + return possible_cpus; +diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +index bab13dd025a6..0d26b5e3f966 100755 +--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh ++++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +@@ -37,6 +37,10 @@ prerequisite() + exit $ksft_skip + fi + ++ present_cpus=`cat $SYSFS/devices/system/cpu/present` ++ present_max=${present_cpus##*-} ++ echo "present_cpus = $present_cpus present_max = $present_max" ++ + echo -e "\t Cpus in online state: $online_cpus" + + offline_cpus=`cat $SYSFS/devices/system/cpu/offline` +@@ -151,6 +155,8 @@ online_cpus=0 + online_max=0 + offline_cpus=0 + offline_max=0 ++present_cpus=0 ++present_max=0 + + while getopts e:ahp: opt; do + case $opt in +@@ -190,9 +196,10 @@ if [ $allcpus -eq 0 ]; then + online_cpu_expect_success $online_max + + if [[ $offline_cpus -gt 0 ]]; then +- echo -e "\t offline to online to offline: cpu $offline_max" +- online_cpu_expect_success $offline_max +- offline_cpu_expect_success $offline_max ++ echo -e "\t offline to online to offline: cpu $present_max" ++ online_cpu_expect_success $present_max ++ offline_cpu_expect_success $present_max ++ online_cpu $present_max + fi + exit 0 + else +diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile +index 919aa2ac00af..9a3764a1084e 100644 +--- a/tools/testing/selftests/net/Makefile ++++ b/tools/testing/selftests/net/Makefile +@@ -18,6 +18,6 @@ TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict tls + KSFT_KHDR_INSTALL := 1 + include ../lib.mk + +-$(OUTPUT)/reuseport_bpf_numa: LDFLAGS += -lnuma ++$(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma + $(OUTPUT)/tcp_mmap: LDFLAGS += -lpthread + $(OUTPUT)/tcp_inq: LDFLAGS += -lpthread +diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile +index 47ed6cef93fb..c9ff2b47bd1c 100644 +--- a/tools/testing/selftests/netfilter/Makefile ++++ b/tools/testing/selftests/netfilter/Makefile +@@ -1,6 +1,6 @@ + # SPDX-License-Identifier: GPL-2.0 + # Makefile for netfilter selftests + +-TEST_PROGS := nft_trans_stress.sh ++TEST_PROGS := nft_trans_stress.sh nft_nat.sh + + include ../lib.mk +diff --git a/tools/testing/selftests/netfilter/config b/tools/testing/selftests/netfilter/config +index 1017313e41a8..59caa8f71cd8 100644 +--- a/tools/testing/selftests/netfilter/config ++++ b/tools/testing/selftests/netfilter/config +@@ -1,2 +1,2 @@ + CONFIG_NET_NS=y +-NF_TABLES_INET=y ++CONFIG_NF_TABLES_INET=y +diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh +new file mode 100755 +index 000000000000..8ec76681605c +--- /dev/null ++++ b/tools/testing/selftests/netfilter/nft_nat.sh +@@ -0,0 +1,762 @@ ++#!/bin/bash ++# ++# This test is for basic NAT functionality: snat, dnat, redirect, masquerade. ++# ++ ++# Kselftest framework requirement - SKIP code is 4. ++ksft_skip=4 ++ret=0 ++ ++nft --version > /dev/null 2>&1 ++if [ $? -ne 0 ];then ++ echo "SKIP: Could not run test without nft tool" ++ exit $ksft_skip ++fi ++ ++ip -Version > /dev/null 2>&1 ++if [ $? -ne 0 ];then ++ echo "SKIP: Could not run test without ip tool" ++ exit $ksft_skip ++fi ++ ++ip netns add ns0 ++ip netns add ns1 ++ip netns add ns2 ++ ++ip link add veth0 netns ns0 type veth peer name eth0 netns ns1 ++ip link add veth1 netns ns0 type veth peer name eth0 netns ns2 ++ ++ip -net ns0 link set lo up ++ip -net ns0 link set veth0 up ++ip -net ns0 addr add 10.0.1.1/24 dev veth0 ++ip -net ns0 addr add dead:1::1/64 dev veth0 ++ ++ip -net ns0 link set veth1 up ++ip -net ns0 addr add 10.0.2.1/24 dev veth1 ++ip -net ns0 addr add dead:2::1/64 dev veth1 ++ ++for i in 1 2; do ++ ip -net ns$i link set lo up ++ ip -net ns$i link set eth0 up ++ ip -net ns$i addr add 10.0.$i.99/24 dev eth0 ++ ip -net ns$i route add default via 10.0.$i.1 ++ ip -net ns$i addr add dead:$i::99/64 dev eth0 ++ ip -net ns$i route add default via dead:$i::1 ++done ++ ++bad_counter() ++{ ++ local ns=$1 ++ local counter=$2 ++ local expect=$3 ++ ++ echo "ERROR: $counter counter in $ns has unexpected value (expected $expect)" 1>&2 ++ ip netns exec $ns nft list counter inet filter $counter 1>&2 ++} ++ ++check_counters() ++{ ++ ns=$1 ++ local lret=0 ++ ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0in | grep -q "packets 1 bytes 84") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0in "packets 1 bytes 84" ++ lret=1 ++ fi ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0out | grep -q "packets 1 bytes 84") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0out "packets 1 bytes 84" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0in6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0in6 "$expect" ++ lret=1 ++ fi ++ cnt=$(ip netns exec $ns nft list counter inet filter ns0out6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter $ns ns0out6 "$expect" ++ lret=1 ++ fi ++ ++ return $lret ++} ++ ++check_ns0_counters() ++{ ++ local ns=$1 ++ local lret=0 ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0in | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0in "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0in6 "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0out | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0out "packets 0 bytes 0" ++ lret=1 ++ fi ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0out6 "packets 0 bytes 0" ++ lret=1 ++ fi ++ ++ for dir in "in" "out" ; do ++ expect="packets 1 bytes 84" ++ cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 $ns$dir "$expect" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir}6 | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 $ns$dir6 "$expect" ++ lret=1 ++ fi ++ done ++ ++ return $lret ++} ++ ++reset_counters() ++{ ++ for i in 0 1 2;do ++ ip netns exec ns$i nft reset counters inet > /dev/null ++ done ++} ++ ++test_local_dnat6() ++{ ++ local lret=0 ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain output { ++ type nat hook output priority 0; policy accept; ++ ip6 daddr dead:1::99 dnat to dead:2::99 ++ } ++} ++EOF ++ if [ $? -ne 0 ]; then ++ echo "SKIP: Could not add add ip6 dnat hook" ++ return $ksft_skip ++ fi ++ ++ # ping netns1, expect rewrite to netns2 ++ ip netns exec ns0 ping -q -c 1 dead:1::99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping6 failed" ++ return $lret ++ fi ++ ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 count in ns1 ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 packet in ns2 ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was NATted to ns2" ++ ip netns exec ns0 nft flush chain ip6 nat output ++ ++ return $lret ++} ++ ++test_local_dnat() ++{ ++ local lret=0 ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain output { ++ type nat hook output priority 0; policy accept; ++ ip daddr 10.0.1.99 dnat to 10.0.2.99 ++ } ++} ++EOF ++ # ping netns1, expect rewrite to netns2 ++ ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping failed" ++ return $lret ++ fi ++ ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 count in ns1 ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 packet in ns2 ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ping to ns1 was NATted to ns2" ++ ++ ip netns exec ns0 nft flush chain ip nat output ++ ++ reset_counters ++ ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null ++ if [ $? -ne 0 ]; then ++ lret=1 ++ echo "ERROR: ping failed" ++ return $lret ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 1 count in ns1 ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns0 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # expect 0 packet in ns2 ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns2$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ test $lret -eq 0 && echo "PASS: ping to ns1 OK after nat output chain flush" ++ ++ return $lret ++} ++ ++ ++test_masquerade6() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 via ipv6" ++ return 1 ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add masquerading rule ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain postrouting { ++ type nat hook postrouting priority 0; policy accept; ++ meta oif veth0 masquerade ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerading" ++ lret=1 ++ fi ++ ++ # ns1 should have seen packets from ns0, due to masquerade ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns1 should not have seen packets from ns2, due to masquerade ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft flush chain ip6 nat postrouting ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not flush ip6 nat postrouting" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IPv6 masquerade for ns2" ++ ++ return $lret ++} ++ ++test_masquerade() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null ++ ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: canot ping ns1 from ns2" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add masquerading rule ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain postrouting { ++ type nat hook postrouting priority 0; policy accept; ++ meta oif veth0 masquerade ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip masquerading" ++ lret=1 ++ fi ++ ++ # ns1 should have seen packets from ns0, due to masquerade ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns1 should not have seen packets from ns2, due to masquerade ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft flush chain ip nat postrouting ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not flush nat postrouting" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IP masquerade for ns2" ++ ++ return $lret ++} ++ ++test_redirect6() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannnot ping ns1 from ns2 via ipv6" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add redirect rule ++ip netns exec ns0 nft -f - <<EOF ++table ip6 nat { ++ chain prerouting { ++ type nat hook prerouting priority 0; policy accept; ++ meta iif veth1 meta l4proto icmpv6 ip6 saddr dead:2::99 ip6 daddr dead:1::99 redirect ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip6 redirect" ++ lret=1 ++ fi ++ ++ # ns1 should have seen no packets from ns2, due to redirection ++ expect="packets 0 bytes 0" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns0 should have seen packets from ns2, due to masquerade ++ expect="packets 1 bytes 104" ++ for dir in "in6" "out6" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft delete table ip6 nat ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not delete ip6 nat table" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IPv6 redirection for ns2" ++ ++ return $lret ++} ++ ++test_redirect() ++{ ++ local lret=0 ++ ++ ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null ++ ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null ++ ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2" ++ lret=1 ++ fi ++ ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns2$dir "$expect" ++ lret=1 ++ fi ++ ++ cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns2 ns1$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ reset_counters ++ ++# add redirect rule ++ip netns exec ns0 nft -f - <<EOF ++table ip nat { ++ chain prerouting { ++ type nat hook prerouting priority 0; policy accept; ++ meta iif veth1 ip protocol icmp ip saddr 10.0.2.99 ip daddr 10.0.1.99 redirect ++ } ++} ++EOF ++ ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1 ++ if [ $? -ne 0 ] ; then ++ echo "ERROR: cannot ping ns1 from ns2 with active ip redirect" ++ lret=1 ++ fi ++ ++ # ns1 should have seen no packets from ns2, due to redirection ++ expect="packets 0 bytes 0" ++ for dir in "in" "out" ; do ++ ++ cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ # ns0 should have seen packets from ns2, due to masquerade ++ expect="packets 1 bytes 84" ++ for dir in "in" "out" ; do ++ cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect") ++ if [ $? -ne 0 ]; then ++ bad_counter ns1 ns0$dir "$expect" ++ lret=1 ++ fi ++ done ++ ++ ip netns exec ns0 nft delete table ip nat ++ if [ $? -ne 0 ]; then ++ echo "ERROR: Could not delete nat table" 1>&2 ++ lret=1 ++ fi ++ ++ test $lret -eq 0 && echo "PASS: IP redirection for ns2" ++ ++ return $lret ++} ++ ++ ++# ip netns exec ns0 ping -c 1 -q 10.0.$i.99 ++for i in 0 1 2; do ++ip netns exec ns$i nft -f - <<EOF ++table inet filter { ++ counter ns0in {} ++ counter ns1in {} ++ counter ns2in {} ++ ++ counter ns0out {} ++ counter ns1out {} ++ counter ns2out {} ++ ++ counter ns0in6 {} ++ counter ns1in6 {} ++ counter ns2in6 {} ++ ++ counter ns0out6 {} ++ counter ns1out6 {} ++ counter ns2out6 {} ++ ++ map nsincounter { ++ type ipv4_addr : counter ++ elements = { 10.0.1.1 : "ns0in", ++ 10.0.2.1 : "ns0in", ++ 10.0.1.99 : "ns1in", ++ 10.0.2.99 : "ns2in" } ++ } ++ ++ map nsincounter6 { ++ type ipv6_addr : counter ++ elements = { dead:1::1 : "ns0in6", ++ dead:2::1 : "ns0in6", ++ dead:1::99 : "ns1in6", ++ dead:2::99 : "ns2in6" } ++ } ++ ++ map nsoutcounter { ++ type ipv4_addr : counter ++ elements = { 10.0.1.1 : "ns0out", ++ 10.0.2.1 : "ns0out", ++ 10.0.1.99: "ns1out", ++ 10.0.2.99: "ns2out" } ++ } ++ ++ map nsoutcounter6 { ++ type ipv6_addr : counter ++ elements = { dead:1::1 : "ns0out6", ++ dead:2::1 : "ns0out6", ++ dead:1::99 : "ns1out6", ++ dead:2::99 : "ns2out6" } ++ } ++ ++ chain input { ++ type filter hook input priority 0; policy accept; ++ counter name ip saddr map @nsincounter ++ icmpv6 type { "echo-request", "echo-reply" } counter name ip6 saddr map @nsincounter6 ++ } ++ chain output { ++ type filter hook output priority 0; policy accept; ++ counter name ip daddr map @nsoutcounter ++ icmpv6 type { "echo-request", "echo-reply" } counter name ip6 daddr map @nsoutcounter6 ++ } ++} ++EOF ++done ++ ++sleep 3 ++# test basic connectivity ++for i in 1 2; do ++ ip netns exec ns0 ping -c 1 -q 10.0.$i.99 > /dev/null ++ if [ $? -ne 0 ];then ++ echo "ERROR: Could not reach other namespace(s)" 1>&2 ++ ret=1 ++ fi ++ ++ ip netns exec ns0 ping -c 1 -q dead:$i::99 > /dev/null ++ if [ $? -ne 0 ];then ++ echo "ERROR: Could not reach other namespace(s) via ipv6" 1>&2 ++ ret=1 ++ fi ++ check_counters ns$i ++ if [ $? -ne 0 ]; then ++ ret=1 ++ fi ++ ++ check_ns0_counters ns$i ++ if [ $? -ne 0 ]; then ++ ret=1 ++ fi ++ reset_counters ++done ++ ++if [ $ret -eq 0 ];then ++ echo "PASS: netns routing/connectivity: ns0 can reach ns1 and ns2" ++fi ++ ++reset_counters ++test_local_dnat ++test_local_dnat6 ++ ++reset_counters ++test_masquerade ++test_masquerade6 ++ ++reset_counters ++test_redirect ++test_redirect6 ++ ++for i in 0 1 2; do ip netns del ns$i;done ++ ++exit $ret +diff --git a/tools/testing/selftests/proc/.gitignore b/tools/testing/selftests/proc/.gitignore +index 82121a81681f..29bac5ef9a93 100644 +--- a/tools/testing/selftests/proc/.gitignore ++++ b/tools/testing/selftests/proc/.gitignore +@@ -10,4 +10,5 @@ + /proc-uptime-002 + /read + /self ++/setns-dcache + /thread-self +diff --git a/tools/testing/selftests/proc/Makefile b/tools/testing/selftests/proc/Makefile +index 1c12c34cf85d..434d033ee067 100644 +--- a/tools/testing/selftests/proc/Makefile ++++ b/tools/testing/selftests/proc/Makefile +@@ -14,6 +14,7 @@ TEST_GEN_PROGS += proc-uptime-001 + TEST_GEN_PROGS += proc-uptime-002 + TEST_GEN_PROGS += read + TEST_GEN_PROGS += self ++TEST_GEN_PROGS += setns-dcache + TEST_GEN_PROGS += thread-self + + include ../lib.mk +diff --git a/tools/testing/selftests/proc/setns-dcache.c b/tools/testing/selftests/proc/setns-dcache.c +new file mode 100644 +index 000000000000..60ab197a73fc +--- /dev/null ++++ b/tools/testing/selftests/proc/setns-dcache.c +@@ -0,0 +1,129 @@ ++/* ++ * Copyright © 2019 Alexey Dobriyan <adobriyan@gmail.com> ++ * ++ * Permission to use, copy, modify, and distribute this software for any ++ * purpose with or without fee is hereby granted, provided that the above ++ * copyright notice and this permission notice appear in all copies. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ++ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ++ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ++ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ++ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ++ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ++ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ++ */ ++/* ++ * Test that setns(CLONE_NEWNET) points to new /proc/net content even ++ * if old one is in dcache. ++ * ++ * FIXME /proc/net/unix is under CONFIG_UNIX which can be disabled. ++ */ ++#undef NDEBUG ++#include <assert.h> ++#include <errno.h> ++#include <sched.h> ++#include <signal.h> ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++#include <unistd.h> ++#include <sys/types.h> ++#include <sys/stat.h> ++#include <fcntl.h> ++#include <sys/socket.h> ++ ++static pid_t pid = -1; ++ ++static void f(void) ++{ ++ if (pid > 0) { ++ kill(pid, SIGTERM); ++ } ++} ++ ++int main(void) ++{ ++ int fd[2]; ++ char _ = 0; ++ int nsfd; ++ ++ atexit(f); ++ ++ /* Check for priviledges and syscall availability straight away. */ ++ if (unshare(CLONE_NEWNET) == -1) { ++ if (errno == ENOSYS || errno == EPERM) { ++ return 4; ++ } ++ return 1; ++ } ++ /* Distinguisher between two otherwise empty net namespaces. */ ++ if (socket(AF_UNIX, SOCK_STREAM, 0) == -1) { ++ return 1; ++ } ++ ++ if (pipe(fd) == -1) { ++ return 1; ++ } ++ ++ pid = fork(); ++ if (pid == -1) { ++ return 1; ++ } ++ ++ if (pid == 0) { ++ if (unshare(CLONE_NEWNET) == -1) { ++ return 1; ++ } ++ ++ if (write(fd[1], &_, 1) != 1) { ++ return 1; ++ } ++ ++ pause(); ++ ++ return 0; ++ } ++ ++ if (read(fd[0], &_, 1) != 1) { ++ return 1; ++ } ++ ++ { ++ char buf[64]; ++ snprintf(buf, sizeof(buf), "/proc/%u/ns/net", pid); ++ nsfd = open(buf, O_RDONLY); ++ if (nsfd == -1) { ++ return 1; ++ } ++ } ++ ++ /* Reliably pin dentry into dcache. */ ++ (void)open("/proc/net/unix", O_RDONLY); ++ ++ if (setns(nsfd, CLONE_NEWNET) == -1) { ++ return 1; ++ } ++ ++ kill(pid, SIGTERM); ++ pid = 0; ++ ++ { ++ char buf[4096]; ++ ssize_t rv; ++ int fd; ++ ++ fd = open("/proc/net/unix", O_RDONLY); ++ if (fd == -1) { ++ return 1; ++ } ++ ++#define S "Num RefCount Protocol Flags Type St Inode Path\n" ++ rv = read(fd, buf, sizeof(buf)); ++ ++ assert(rv == strlen(S)); ++ assert(memcmp(buf, S, strlen(S)) == 0); ++ } ++ ++ return 0; ++} +diff --git a/tools/testing/selftests/timers/Makefile b/tools/testing/selftests/timers/Makefile +index c02683cfb6c9..7656c7ce79d9 100644 +--- a/tools/testing/selftests/timers/Makefile ++++ b/tools/testing/selftests/timers/Makefile +@@ -1,6 +1,6 @@ + # SPDX-License-Identifier: GPL-2.0 + CFLAGS += -O3 -Wl,-no-as-needed -Wall +-LDFLAGS += -lrt -lpthread -lm ++LDLIBS += -lrt -lpthread -lm + + # these are all "safe" tests that don't modify + # system time or require escalated privileges |