diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 12af5b0ecc8e..1eff15169983 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2954,6 +2954,7 @@ spec_store_bypass_disable=off [X86,PPC] spectre_v2_user=off [X86] ssbd=force-off [ARM64] + nospectre_bhb [ARM64] tsx_async_abort=off [X86]

Exceptions: @@ -3367,6 +3368,10 @@ vulnerability. System may allow data leaks with this option.

+ nospectre_bhb [ARM64] Disable all mitigations for Spectre-BHB (branch + history injection) vulnerability. System may allow data leaks + with this option. + nospec_store_bypass_disable [HW] Disable all mitigations for the Speculative Store Bypass vulnerability

@@ -5122,8 +5127,6 @@

Selecting 'on' will also enable the mitigation against user space to user space task attacks. - Selecting specific mitigation does not force enable - user mitigations.

Selecting 'off' will disable both the kernel and the user space protections. diff --git a/MAINTAINERS b/MAINTAINERS index cdb5f1f22f4c..beaa5f6294bd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11633,6 +11633,15 @@ F: drivers/scsi/smartpqi/smartpqi*.[ch] F: include/linux/cciss*.h F: include/uapi/linux/cciss*.h

+MICROSOFT SURFACE HARDWARE PLATFORM SUPPORT +M: Hans de Goede hdegoede@redhat.com +M: Mark Gross mgross@linux.intel.com +M: Maximilian Luz luzmaximilian@gmail.com +L: platform-driver-x86@vger.kernel.org +S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git +F: drivers/platform/surface/ + MICROSOFT SURFACE PRO 3 BUTTON DRIVER M: Chen Yu yu.c.chen@intel.com L: platform-driver-x86@vger.kernel.org diff --git a/Makefile b/Makefile index 7d94034c906d..9ffd9397399d 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 238 +SUBLEVEL = 239 EXTRAVERSION = NAME = Dare mighty things

@@ -586,8 +586,7 @@ else CLANG_FLAGS += -fno-integrated-as endif CLANG_FLAGS += -Werror=unknown-warning-option -KBUILD_CFLAGS += $(CLANG_FLAGS) -KBUILD_AFLAGS += $(CLANG_FLAGS) +KBUILD_CPPFLAGS += $(CLANG_FLAGS) export CLANG_FLAGS endif

@@ -1034,8 +1033,8 @@ LDFLAGS_vmlinux += --orphan-handling=warn endif

# Align the bit size of userspace programs with the kernel -KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) -KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS)) +KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)) +KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))

# userspace programs are linked via the compiler, use the correct linker ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_LD_IS_LLD),yy) diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi index 2d51d4bba6d4..f955fe22b663 100644 --- a/arch/arm/boot/dts/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -145,6 +145,8 @@ davinci_mdio_default: davinci_mdio_default { /* MDIO */ AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0) AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0) + /* Added to support GPIO controlled PHY reset */ + AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLUP, MUX_MODE7) >; };

@@ -153,6 +155,8 @@ davinci_mdio_sleep: davinci_mdio_sleep { /* MDIO reset value */ AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7) AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7) + /* Added to support GPIO controlled PHY reset */ + AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE7) >; };

@@ -374,6 +378,10 @@ &davinci_mdio {

ethphy0: ethernet-phy@0 { reg = <0>; + /* Support GPIO reset on revision C3 boards */ + reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; + reset-assert-us = <300>; + reset-deassert-us = <50000>; }; };

diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts index 71f60576761a..df206bdb6788 100644 --- a/arch/arm/boot/dts/at91sam9263ek.dts +++ b/arch/arm/boot/dts/at91sam9263ek.dts @@ -148,7 +148,7 @@ nand_controller: nand-controller { nand@3 { reg = <0x3 0x0 0x800000>; rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>; - cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>; nand-bus-width = <8>; nand-ecc-mode = "soft"; nand-on-flash-bbt; diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index 3f1002c34446..ba6cc81684c8 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -211,12 +211,6 @@ sleep_clk: sleep_clk { }; };

- sfpb_mutex: hwmutex { - compatible = "qcom,sfpb-mutex"; - syscon = <&sfpb_wrapper_mutex 0x604 0x4>; - #hwlock-cells = <1>; - }; - smem { compatible = "qcom,smem"; memory-region = <&smem_region>; @@ -360,9 +354,10 @@ tlmm_pinmux: pinctrl@800000 { pinctrl-0 = <&ps_hold>; };

- sfpb_wrapper_mutex: syscon@1200000 { - compatible = "syscon"; - reg = <0x01200000 0x8000>; + sfpb_mutex: hwmutex@1200600 { + compatible = "qcom,sfpb-mutex"; + reg = <0x01200600 0x100>; + #hwlock-cells = <1>; };

intc: interrupt-controller@2000000 { diff --git a/arch/arm/boot/dts/tny_a9263.dts b/arch/arm/boot/dts/tny_a9263.dts index 62b7d9f9a926..c8b6318aaa83 100644 --- a/arch/arm/boot/dts/tny_a9263.dts +++ b/arch/arm/boot/dts/tny_a9263.dts @@ -64,7 +64,7 @@ nand_controller: nand-controller { nand@3 { reg = <0x3 0x0 0x800000>; rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>; - cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>; nand-bus-width = <8>; nand-ecc-mode = "soft"; nand-on-flash-bbt; diff --git a/arch/arm/boot/dts/usb_a9263.dts b/arch/arm/boot/dts/usb_a9263.dts index 8a0cfbfd0c45..87a5f96014e0 100644 --- a/arch/arm/boot/dts/usb_a9263.dts +++ b/arch/arm/boot/dts/usb_a9263.dts @@ -58,7 +58,7 @@ usb1: gadget@fff78000 { };

spi0: spi@fffa4000 { - cs-gpios = <&pioB 15 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioA 5 GPIO_ACTIVE_LOW>; status = "okay"; mtd_dataflash@0 { compatible = "atmel,at45", "atmel,dataflash"; @@ -84,7 +84,7 @@ nand_controller: nand-controller { nand@3 { reg = <0x3 0x0 0x800000>; rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>; - cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>; nand-bus-width = <8>; nand-ecc-mode = "soft"; nand-on-flash-bbt; diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index 68550b23c938..eb6ca2ea8067 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -48,6 +48,7 @@ #define CLKDM_NO_AUTODEPS (1 << 4) #define CLKDM_ACTIVE_WITH_MPU (1 << 5) #define CLKDM_MISSING_IDLE_REPORTING (1 << 6) +#define CLKDM_STANDBY_FORCE_WAKEUP BIT(7)

#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO) #define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP) diff --git a/arch/arm/mach-omap2/clockdomains33xx_data.c b/arch/arm/mach-omap2/clockdomains33xx_data.c index b4d5144df445..c53df9d42ecf 100644 --- a/arch/arm/mach-omap2/clockdomains33xx_data.c +++ b/arch/arm/mach-omap2/clockdomains33xx_data.c @@ -27,7 +27,7 @@ static struct clockdomain l4ls_am33xx_clkdm = { .pwrdm = { .name = "per_pwrdm" }, .cm_inst = AM33XX_CM_PER_MOD, .clkdm_offs = AM33XX_CM_PER_L4LS_CLKSTCTRL_OFFSET, - .flags = CLKDM_CAN_SWSUP, + .flags = CLKDM_CAN_SWSUP | CLKDM_STANDBY_FORCE_WAKEUP, };

static struct clockdomain l3s_am33xx_clkdm = { diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index ac4882ebdca3..be84c6750026 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -28,6 +28,9 @@ #include "cm-regbits-34xx.h" #include "cm-regbits-33xx.h" #include "prm33xx.h" +#if IS_ENABLED(CONFIG_SUSPEND) +#include <linux/suspend.h> +#endif

/* * CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield: @@ -336,8 +339,17 @@ static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm) { bool hwsup = false;

+#if IS_ENABLED(CONFIG_SUSPEND) + /* + * In case of standby, Don't put the l4ls clk domain to sleep. + * Since CM3 PM FW doesn't wake-up/enable the l4ls clk domain + * upon wake-up, CM3 PM FW fails to wake-up th MPU. + */ + if (pm_suspend_target_state == PM_SUSPEND_STANDBY && + (clkdm->flags & CLKDM_STANDBY_FORCE_WAKEUP)) + return 0; +#endif hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs); - if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) am33xx_clkdm_sleep(clkdm);

diff --git a/arch/arm/mach-omap2/pmic-cpcap.c b/arch/arm/mach-omap2/pmic-cpcap.c index 668dc84fd31e..527cf4b7e378 100644 --- a/arch/arm/mach-omap2/pmic-cpcap.c +++ b/arch/arm/mach-omap2/pmic-cpcap.c @@ -264,7 +264,11 @@ int __init omap4_cpcap_init(void)

static int __init cpcap_late_init(void) { - omap4_vc_set_pmic_signaling(PWRDM_POWER_RET); + if (!of_find_compatible_node(NULL, NULL, "motorola,cpcap")) + return 0; + + if (soc_is_omap443x() || soc_is_omap446x() || soc_is_omap447x()) + omap4_vc_set_pmic_signaling(PWRDM_POWER_RET);

return 0; } diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 2660bdfcad4d..b378e514d137 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -483,7 +483,5 @@ void __init early_ioremap_init(void) bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size, unsigned long flags) { - unsigned long pfn = PHYS_PFN(offset); - - return memblock_is_map_memory(pfn); + return memblock_is_map_memory(offset); } diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi index b88c3c99b007..34b2e862b708 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi @@ -194,6 +194,7 @@ eeprom@50 { rtc@51 { compatible = "nxp,pcf85263"; reg = <0x51>; + quartz-load-femtofarads = <12500>; }; };

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts index 3fc761c8d550..40be64a37c47 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts @@ -246,14 +246,6 @@ &uart2 { status = "okay"; };

-&usb_host0_ehci { - status = "okay"; -}; - -&usb_host0_ohci { - status = "okay"; -}; - &vopb { status = "okay"; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index a3538279d710..ec7d444b228d 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -268,6 +268,8 @@ sdhci0: sdhci@4f80000 { interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>; mmc-ddr-1_8v; mmc-hs200-1_8v; + ti,clkbuf-sel = <0x7>; + ti,trm-icp = <0x8>; ti,otap-del-sel-legacy = <0x0>; ti,otap-del-sel-mmc-hs = <0x0>; ti,otap-del-sel-sd-hs = <0x0>; @@ -278,8 +280,9 @@ sdhci0: sdhci@4f80000 { ti,otap-del-sel-ddr50 = <0x5>; ti,otap-del-sel-ddr52 = <0x5>; ti,otap-del-sel-hs200 = <0x5>; - ti,otap-del-sel-hs400 = <0x0>; - ti,trm-icp = <0x8>; + ti,itap-del-sel-legacy = <0xa>; + ti,itap-del-sel-mmc-hs = <0x1>; + ti,itap-del-sel-ddr52 = <0x0>; dma-coherent; };

@@ -290,19 +293,22 @@ sdhci1: sdhci@4fa0000 { clocks = <&k3_clks 48 0>, <&k3_clks 48 1>; clock-names = "clk_ahb", "clk_xin"; interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>; + ti,clkbuf-sel = <0x7>; + ti,trm-icp = <0x8>; ti,otap-del-sel-legacy = <0x0>; ti,otap-del-sel-mmc-hs = <0x0>; ti,otap-del-sel-sd-hs = <0x0>; - ti,otap-del-sel-sdr12 = <0x0>; - ti,otap-del-sel-sdr25 = <0x0>; + ti,otap-del-sel-sdr12 = <0xf>; + ti,otap-del-sel-sdr25 = <0xf>; ti,otap-del-sel-sdr50 = <0x8>; ti,otap-del-sel-sdr104 = <0x7>; ti,otap-del-sel-ddr50 = <0x4>; ti,otap-del-sel-ddr52 = <0x4>; ti,otap-del-sel-hs200 = <0x7>; - ti,clkbuf-sel = <0x7>; - ti,otap-del-sel = <0x2>; - ti,trm-icp = <0x8>; + ti,itap-del-sel-legacy = <0xa>; + ti,itap-del-sel-sd-hs = <0x1>; + ti,itap-del-sel-sdr12 = <0xa>; + ti,itap-del-sel-sdr25 = <0x1>; dma-coherent; no-1-8-v; }; diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 423bc03a21f2..dc88e9d2e5d2 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -80,6 +80,7 @@ #define ARM_CPU_PART_CORTEX_A78AE 0xD42 #define ARM_CPU_PART_CORTEX_X1 0xD44 #define ARM_CPU_PART_CORTEX_A510 0xD46 +#define ARM_CPU_PART_CORTEX_X1C 0xD4C #define ARM_CPU_PART_CORTEX_A520 0xD80 #define ARM_CPU_PART_CORTEX_A710 0xD47 #define ARM_CPU_PART_CORTEX_A715 0xD4D @@ -144,6 +145,7 @@ #define MIDR_CORTEX_A78AE MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78AE) #define MIDR_CORTEX_X1 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1) #define MIDR_CORTEX_A510 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A510) +#define MIDR_CORTEX_X1C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1C) #define MIDR_CORTEX_A520 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A520) #define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710) #define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715) diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index c16ed5b68768..e1d166beb99b 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -34,18 +34,6 @@ */ #define BREAK_INSTR_SIZE AARCH64_INSN_SIZE

-/* - * BRK instruction encoding - * The #imm16 value should be placed at bits[20:5] within BRK ins - */ -#define AARCH64_BREAK_MON 0xd4200000 - -/* - * BRK instruction for provoking a fault on purpose - * Unlike kgdb, #imm16 value with unallocated handler is used for faulting. - */ -#define AARCH64_BREAK_FAULT (AARCH64_BREAK_MON | (FAULT_BRK_IMM << 5)) - #define AARCH64_BREAK_KGDB_DYN_DBG \ (AARCH64_BREAK_MON | (KGDB_DYN_DBG_BRK_IMM << 5))

diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index d45b42295254..1ef7bcc4a9b1 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -9,10 +9,23 @@ #define __ASM_INSN_H #include <linux/build_bug.h> #include <linux/types.h> +#include <asm/brk-imm.h>

/* A64 instructions are always 32 bits. */ #define AARCH64_INSN_SIZE 4

+/* + * BRK instruction encoding + * The #imm16 value should be placed at bits[20:5] within BRK ins + */ +#define AARCH64_BREAK_MON 0xd4200000 + +/* + * BRK instruction for provoking a fault on purpose + * Unlike kgdb, #imm16 value with unallocated handler is used for faulting. + */ +#define AARCH64_BREAK_FAULT (AARCH64_BREAK_MON | (FAULT_BRK_IMM << 5)) + #ifndef __ASSEMBLY__ /* * ARM Architecture Reference Manual for ARMv8 Profile-A, Issue A.a @@ -206,7 +219,9 @@ enum aarch64_insn_ldst_type { AARCH64_INSN_LDST_LOAD_PAIR_POST_INDEX, AARCH64_INSN_LDST_STORE_PAIR_POST_INDEX, AARCH64_INSN_LDST_LOAD_EX, + AARCH64_INSN_LDST_LOAD_ACQ_EX, AARCH64_INSN_LDST_STORE_EX, + AARCH64_INSN_LDST_STORE_REL_EX, };

enum aarch64_insn_adsb_type { @@ -281,6 +296,36 @@ enum aarch64_insn_adr_type { AARCH64_INSN_ADR_TYPE_ADR, };

+enum aarch64_insn_mem_atomic_op { + AARCH64_INSN_MEM_ATOMIC_ADD, + AARCH64_INSN_MEM_ATOMIC_CLR, + AARCH64_INSN_MEM_ATOMIC_EOR, + AARCH64_INSN_MEM_ATOMIC_SET, + AARCH64_INSN_MEM_ATOMIC_SWP, +}; + +enum aarch64_insn_mem_order_type { + AARCH64_INSN_MEM_ORDER_NONE, + AARCH64_INSN_MEM_ORDER_ACQ, + AARCH64_INSN_MEM_ORDER_REL, + AARCH64_INSN_MEM_ORDER_ACQREL, +}; + +enum aarch64_insn_mb_type { + AARCH64_INSN_MB_SY, + AARCH64_INSN_MB_ST, + AARCH64_INSN_MB_LD, + AARCH64_INSN_MB_ISH, + AARCH64_INSN_MB_ISHST, + AARCH64_INSN_MB_ISHLD, + AARCH64_INSN_MB_NSH, + AARCH64_INSN_MB_NSHST, + AARCH64_INSN_MB_NSHLD, + AARCH64_INSN_MB_OSH, + AARCH64_INSN_MB_OSHST, + AARCH64_INSN_MB_OSHLD, +}; + #define __AARCH64_INSN_FUNCS(abbr, mask, val) \ static __always_inline bool aarch64_insn_is_##abbr(u32 code) \ { \ @@ -298,6 +343,11 @@ __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000) __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000) __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800) __AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000) +__AARCH64_INSN_FUNCS(ldclr, 0x3F20FC00, 0x38201000) +__AARCH64_INSN_FUNCS(ldeor, 0x3F20FC00, 0x38202000) +__AARCH64_INSN_FUNCS(ldset, 0x3F20FC00, 0x38203000) +__AARCH64_INSN_FUNCS(swp, 0x3F20FC00, 0x38208000) +__AARCH64_INSN_FUNCS(cas, 0x3FA07C00, 0x08A07C00) __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800) __AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000) __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) @@ -370,6 +420,14 @@ __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF) __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000) __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F) __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000) +__AARCH64_INSN_FUNCS(dmb, 0xFFFFF0FF, 0xD50330BF) +__AARCH64_INSN_FUNCS(dsb_base, 0xFFFFF0FF, 0xD503309F) +__AARCH64_INSN_FUNCS(dsb_nxs, 0xFFFFF3FF, 0xD503323F) +__AARCH64_INSN_FUNCS(isb, 0xFFFFF0FF, 0xD50330DF) +__AARCH64_INSN_FUNCS(sb, 0xFFFFFFFF, 0xD50330FF) +__AARCH64_INSN_FUNCS(clrex, 0xFFFFF0FF, 0xD503305F) +__AARCH64_INSN_FUNCS(ssbb, 0xFFFFFFFF, 0xD503309F) +__AARCH64_INSN_FUNCS(pssbb, 0xFFFFFFFF, 0xD503349F)

#undef __AARCH64_INSN_FUNCS

@@ -381,6 +439,19 @@ static inline bool aarch64_insn_is_adr_adrp(u32 insn) return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn); }

+static inline bool aarch64_insn_is_dsb(u32 insn) +{ + return aarch64_insn_is_dsb_base(insn) || aarch64_insn_is_dsb_nxs(insn); +} + +static inline bool aarch64_insn_is_barrier(u32 insn) +{ + return aarch64_insn_is_dmb(insn) || aarch64_insn_is_dsb(insn) || + aarch64_insn_is_isb(insn) || aarch64_insn_is_sb(insn) || + aarch64_insn_is_clrex(insn) || aarch64_insn_is_ssbb(insn) || + aarch64_insn_is_pssbb(insn); +} + int aarch64_insn_read(void *addr, u32 *insnp); int aarch64_insn_write(void *addr, u32 insn); enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); @@ -419,13 +490,6 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg, enum aarch64_insn_register state, enum aarch64_insn_size_type size, enum aarch64_insn_ldst_type type); -u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result, - enum aarch64_insn_register address, - enum aarch64_insn_register value, - enum aarch64_insn_size_type size); -u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address, - enum aarch64_insn_register value, - enum aarch64_insn_size_type size); u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst, enum aarch64_insn_register src, int imm, enum aarch64_insn_variant variant, @@ -486,6 +550,43 @@ u32 aarch64_insn_gen_prefetch(enum aarch64_insn_register base, enum aarch64_insn_prfm_type type, enum aarch64_insn_prfm_target target, enum aarch64_insn_prfm_policy policy); +#ifdef CONFIG_ARM64_LSE_ATOMICS +u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_atomic_op op, + enum aarch64_insn_mem_order_type order); +u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_order_type order); +#else +static inline +u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_atomic_op op, + enum aarch64_insn_mem_order_type order) +{ + return AARCH64_BREAK_FAULT; +} + +static inline +u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_order_type order) +{ + return AARCH64_BREAK_FAULT; +} +#endif +u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type); +u32 aarch64_insn_gen_dsb(enum aarch64_insn_mb_type type); + s32 aarch64_get_branch_offset(u32 insn); u32 aarch64_set_branch_offset(u32 insn, s32 offset);

diff --git a/arch/arm64/include/asm/spectre.h b/arch/arm64/include/asm/spectre.h index e48afcb69392..09073bb6712a 100644 --- a/arch/arm64/include/asm/spectre.h +++ b/arch/arm64/include/asm/spectre.h @@ -32,7 +32,9 @@ void spectre_v4_enable_task_mitigation(struct task_struct *tsk);

enum mitigation_state arm64_get_spectre_bhb_state(void); bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry, int scope); -u8 spectre_bhb_loop_affected(int scope); +extern bool __nospectre_bhb; +u8 get_spectre_bhb_loop_value(void); +bool is_spectre_bhb_fw_mitigated(void); void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *__unused); bool try_emulate_el1_ssbs(struct pt_regs *regs, u32 instr); #endif /* __ASM_SPECTRE_H */ diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c index 7d4fdf974542..2d84453f5200 100644 --- a/arch/arm64/kernel/insn.c +++ b/arch/arm64/kernel/insn.c @@ -5,6 +5,7 @@ * * Copyright (C) 2014-2016 Zi Shen Lim zlim.lnx@gmail.com */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/bug.h> #include <linux/compiler.h> @@ -721,10 +722,16 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,

switch (type) { case AARCH64_INSN_LDST_LOAD_EX: + case AARCH64_INSN_LDST_LOAD_ACQ_EX: insn = aarch64_insn_get_load_ex_value(); + if (type == AARCH64_INSN_LDST_LOAD_ACQ_EX) + insn |= BIT(15); break; case AARCH64_INSN_LDST_STORE_EX: + case AARCH64_INSN_LDST_STORE_REL_EX: insn = aarch64_insn_get_store_ex_value(); + if (type == AARCH64_INSN_LDST_STORE_REL_EX) + insn |= BIT(15); break; default: pr_err("%s: unknown load/store exclusive encoding %d\n", __func__, type); @@ -746,12 +753,65 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg, state); }

-u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result, - enum aarch64_insn_register address, - enum aarch64_insn_register value, - enum aarch64_insn_size_type size) +#ifdef CONFIG_ARM64_LSE_ATOMICS +static u32 aarch64_insn_encode_ldst_order(enum aarch64_insn_mem_order_type type, + u32 insn) { - u32 insn = aarch64_insn_get_ldadd_value(); + u32 order; + + switch (type) { + case AARCH64_INSN_MEM_ORDER_NONE: + order = 0; + break; + case AARCH64_INSN_MEM_ORDER_ACQ: + order = 2; + break; + case AARCH64_INSN_MEM_ORDER_REL: + order = 1; + break; + case AARCH64_INSN_MEM_ORDER_ACQREL: + order = 3; + break; + default: + pr_err("%s: unknown mem order %d\n", __func__, type); + return AARCH64_BREAK_FAULT; + } + + insn &= ~GENMASK(23, 22); + insn |= order << 22; + + return insn; +} + +u32 aarch64_insn_gen_atomic_ld_op(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_atomic_op op, + enum aarch64_insn_mem_order_type order) +{ + u32 insn; + + switch (op) { + case AARCH64_INSN_MEM_ATOMIC_ADD: + insn = aarch64_insn_get_ldadd_value(); + break; + case AARCH64_INSN_MEM_ATOMIC_CLR: + insn = aarch64_insn_get_ldclr_value(); + break; + case AARCH64_INSN_MEM_ATOMIC_EOR: + insn = aarch64_insn_get_ldeor_value(); + break; + case AARCH64_INSN_MEM_ATOMIC_SET: + insn = aarch64_insn_get_ldset_value(); + break; + case AARCH64_INSN_MEM_ATOMIC_SWP: + insn = aarch64_insn_get_swp_value(); + break; + default: + pr_err("%s: unimplemented mem atomic op %d\n", __func__, op); + return AARCH64_BREAK_FAULT; + }

switch (size) { case AARCH64_INSN_SIZE_32: @@ -764,6 +824,8 @@ u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,

insn = aarch64_insn_encode_ldst_size(size, insn);

+ insn = aarch64_insn_encode_ldst_order(order, insn); + insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RT, insn, result);

@@ -774,18 +836,69 @@ u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result, value); }

-u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address, - enum aarch64_insn_register value, - enum aarch64_insn_size_type size) +static u32 aarch64_insn_encode_cas_order(enum aarch64_insn_mem_order_type type, + u32 insn) { - /* - * STADD is simply encoded as an alias for LDADD with XZR as - * the destination register. - */ - return aarch64_insn_gen_ldadd(AARCH64_INSN_REG_ZR, address, - value, size); + u32 order; + + switch (type) { + case AARCH64_INSN_MEM_ORDER_NONE: + order = 0; + break; + case AARCH64_INSN_MEM_ORDER_ACQ: + order = BIT(22); + break; + case AARCH64_INSN_MEM_ORDER_REL: + order = BIT(15); + break; + case AARCH64_INSN_MEM_ORDER_ACQREL: + order = BIT(15) | BIT(22); + break; + default: + pr_err("%s: unknown mem order %d\n", __func__, type); + return AARCH64_BREAK_FAULT; + } + + insn &= ~(BIT(15) | BIT(22)); + insn |= order; + + return insn; }

+u32 aarch64_insn_gen_cas(enum aarch64_insn_register result, + enum aarch64_insn_register address, + enum aarch64_insn_register value, + enum aarch64_insn_size_type size, + enum aarch64_insn_mem_order_type order) +{ + u32 insn; + + switch (size) { + case AARCH64_INSN_SIZE_32: + case AARCH64_INSN_SIZE_64: + break; + default: + pr_err("%s: unimplemented size encoding %d\n", __func__, size); + return AARCH64_BREAK_FAULT; + } + + insn = aarch64_insn_get_cas_value(); + + insn = aarch64_insn_encode_ldst_size(size, insn); + + insn = aarch64_insn_encode_cas_order(order, insn); + + insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RT, insn, + result); + + insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RN, insn, + address); + + return aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RS, insn, + value); +} +#endif + static u32 aarch64_insn_encode_prfm_imm(enum aarch64_insn_prfm_type type, enum aarch64_insn_prfm_target target, enum aarch64_insn_prfm_policy policy, @@ -1697,3 +1810,61 @@ u32 aarch64_insn_gen_extr(enum aarch64_insn_variant variant, insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RN, insn, Rn); return aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RM, insn, Rm); } + +static u32 __get_barrier_crm_val(enum aarch64_insn_mb_type type) +{ + switch (type) { + case AARCH64_INSN_MB_SY: + return 0xf; + case AARCH64_INSN_MB_ST: + return 0xe; + case AARCH64_INSN_MB_LD: + return 0xd; + case AARCH64_INSN_MB_ISH: + return 0xb; + case AARCH64_INSN_MB_ISHST: + return 0xa; + case AARCH64_INSN_MB_ISHLD: + return 0x9; + case AARCH64_INSN_MB_NSH: + return 0x7; + case AARCH64_INSN_MB_NSHST: + return 0x6; + case AARCH64_INSN_MB_NSHLD: + return 0x5; + default: + pr_err("%s: unknown barrier type %d\n", __func__, type); + return AARCH64_BREAK_FAULT; + } +} + +u32 aarch64_insn_gen_dmb(enum aarch64_insn_mb_type type) +{ + u32 opt; + u32 insn; + + opt = __get_barrier_crm_val(type); + if (opt == AARCH64_BREAK_FAULT) + return AARCH64_BREAK_FAULT; + + insn = aarch64_insn_get_dmb_value(); + insn &= ~GENMASK(11, 8); + insn |= (opt << 8); + + return insn; +} + +u32 aarch64_insn_gen_dsb(enum aarch64_insn_mb_type type) +{ + u32 opt, insn; + + opt = __get_barrier_crm_val(type); + if (opt == AARCH64_BREAK_FAULT) + return AARCH64_BREAK_FAULT; + + insn = aarch64_insn_get_dsb_base_value(); + insn &= ~GENMASK(11, 8); + insn |= (opt << 8); + + return insn; +} diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 45fdfe70b69f..2773bf189a3f 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -853,53 +853,89 @@ enum mitigation_state arm64_get_spectre_bhb_state(void) * This must be called with SCOPE_LOCAL_CPU for each type of CPU, before any * SCOPE_SYSTEM call will give the right answer. */ -u8 spectre_bhb_loop_affected(int scope) +static bool is_spectre_bhb_safe(int scope) +{ + static const struct midr_range spectre_bhb_safe_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A35), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A510), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A520), + MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_2XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), + {}, + }; + static bool all_safe = true; + + if (scope != SCOPE_LOCAL_CPU) + return all_safe; + + if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_safe_list)) + return true; + + all_safe = false; + + return false; +} + +static u8 spectre_bhb_loop_affected(void) { u8 k = 0; - static u8 max_bhb_k; - - if (scope == SCOPE_LOCAL_CPU) { - static const struct midr_range spectre_bhb_k32_list[] = { - MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A78AE), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), - MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), - MIDR_ALL_VERSIONS(MIDR_CORTEX_X2), - MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), - MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), - {}, - }; - static const struct midr_range spectre_bhb_k24_list[] = { - MIDR_ALL_VERSIONS(MIDR_CORTEX_A76), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A77), - MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), - MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_GOLD), - {}, - }; - static const struct midr_range spectre_bhb_k11_list[] = { - MIDR_ALL_VERSIONS(MIDR_AMPERE1), - {}, - }; - static const struct midr_range spectre_bhb_k8_list[] = { - MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), - {}, - }; - - if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k32_list)) - k = 32; - else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k24_list)) - k = 24; - else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k11_list)) - k = 11; - else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k8_list)) - k = 8; - - max_bhb_k = max(max_bhb_k, k); - } else { - k = max_bhb_k; - } + + static const struct midr_range spectre_bhb_k132_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_X3), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), + {}, + }; + static const struct midr_range spectre_bhb_k38_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A715), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), + {}, + }; + static const struct midr_range spectre_bhb_k32_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78AE), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1C), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), + {}, + }; + static const struct midr_range spectre_bhb_k24_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A76), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A76AE), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A77), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_GOLD), + {}, + }; + static const struct midr_range spectre_bhb_k11_list[] = { + MIDR_ALL_VERSIONS(MIDR_AMPERE1), + {}, + }; + static const struct midr_range spectre_bhb_k8_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), + {}, + }; + + if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k132_list)) + k = 132; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k38_list)) + k = 38; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k32_list)) + k = 32; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k24_list)) + k = 24; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k11_list)) + k = 11; + else if (is_midr_in_range_list(read_cpuid_id(), spectre_bhb_k8_list)) + k = 8;

return k; } @@ -925,29 +961,13 @@ static enum mitigation_state spectre_bhb_get_cpu_fw_mitigation_state(void) } }

-static bool is_spectre_bhb_fw_affected(int scope) +static bool has_spectre_bhb_fw_mitigation(void) { - static bool system_affected; enum mitigation_state fw_state; bool has_smccc = arm_smccc_1_1_get_conduit() != SMCCC_CONDUIT_NONE; - static const struct midr_range spectre_bhb_firmware_mitigated_list[] = { - MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), - MIDR_ALL_VERSIONS(MIDR_CORTEX_A75), - {}, - }; - bool cpu_in_list = is_midr_in_range_list(read_cpuid_id(), - spectre_bhb_firmware_mitigated_list); - - if (scope != SCOPE_LOCAL_CPU) - return system_affected;

fw_state = spectre_bhb_get_cpu_fw_mitigation_state(); - if (cpu_in_list || (has_smccc && fw_state == SPECTRE_MITIGATED)) { - system_affected = true; - return true; - } - - return false; + return has_smccc && fw_state == SPECTRE_MITIGATED; }

static bool supports_ecbhb(int scope) @@ -963,6 +983,8 @@ static bool supports_ecbhb(int scope) ID_AA64MMFR1_ECBHB_SHIFT); }

+static u8 max_bhb_k; + bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry, int scope) { @@ -971,16 +993,23 @@ bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry, if (supports_csv2p3(scope)) return false;

- if (supports_clearbhb(scope)) - return true; + if (is_spectre_bhb_safe(scope)) + return false;

- if (spectre_bhb_loop_affected(scope)) - return true; + /* + * At this point the core isn't known to be "safe" so we're going to + * assume it's vulnerable. We still need to update `max_bhb_k` though, + * but only if we aren't mitigating with clearbhb though. + */ + if (scope == SCOPE_LOCAL_CPU && !supports_clearbhb(SCOPE_LOCAL_CPU)) + max_bhb_k = max(max_bhb_k, spectre_bhb_loop_affected());

- if (is_spectre_bhb_fw_affected(scope)) - return true; + return true; +}

- return false; +u8 get_spectre_bhb_loop_value(void) +{ + return max_bhb_k; }

static void this_cpu_set_vectors(enum arm64_bp_harden_el1_vectors slot) @@ -1059,9 +1088,18 @@ static void kvm_setup_bhb_slot(const char *hyp_vecs_start) static void kvm_setup_bhb_slot(const char *hyp_vecs_start) { } #endif /* CONFIG_KVM */

+static bool spectre_bhb_fw_mitigated; +bool __read_mostly __nospectre_bhb; +static int __init parse_spectre_bhb_param(char *str) +{ + __nospectre_bhb = true; + return 0; +} +early_param("nospectre_bhb", parse_spectre_bhb_param); + void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry) { - enum mitigation_state fw_state, state = SPECTRE_VULNERABLE; + enum mitigation_state state = SPECTRE_VULNERABLE;

if (!is_spectre_bhb_affected(entry, SCOPE_LOCAL_CPU)) return; @@ -1070,7 +1108,7 @@ void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry) /* No point mitigating Spectre-BHB alone. */ } else if (!IS_ENABLED(CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY)) { pr_info_once("spectre-bhb mitigation disabled by compile time option\n"); - } else if (cpu_mitigations_off()) { + } else if (cpu_mitigations_off() || __nospectre_bhb) { pr_info_once("spectre-bhb mitigation disabled by command line option\n"); } else if (supports_ecbhb(SCOPE_LOCAL_CPU)) { state = SPECTRE_MITIGATED; @@ -1079,8 +1117,8 @@ void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry) this_cpu_set_vectors(EL1_VECTOR_BHB_CLEAR_INSN);

state = SPECTRE_MITIGATED; - } else if (spectre_bhb_loop_affected(SCOPE_LOCAL_CPU)) { - switch (spectre_bhb_loop_affected(SCOPE_SYSTEM)) { + } else if (spectre_bhb_loop_affected()) { + switch (max_bhb_k) { case 8: kvm_setup_bhb_slot(__spectre_bhb_loop_k8); break; @@ -1096,26 +1134,28 @@ void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *entry) this_cpu_set_vectors(EL1_VECTOR_BHB_LOOP);

state = SPECTRE_MITIGATED; - } else if (is_spectre_bhb_fw_affected(SCOPE_LOCAL_CPU)) { - fw_state = spectre_bhb_get_cpu_fw_mitigation_state(); - if (fw_state == SPECTRE_MITIGATED) { - kvm_setup_bhb_slot(__smccc_workaround_3_smc); - this_cpu_set_vectors(EL1_VECTOR_BHB_FW); + } else if (has_spectre_bhb_fw_mitigation()) { + kvm_setup_bhb_slot(__smccc_workaround_3_smc); + this_cpu_set_vectors(EL1_VECTOR_BHB_FW);

- state = SPECTRE_MITIGATED; - } + state = SPECTRE_MITIGATED; + spectre_bhb_fw_mitigated = true; }

update_mitigation_state(&spectre_bhb_state, state); }

+bool is_spectre_bhb_fw_mitigated(void) +{ + return spectre_bhb_fw_mitigated; +} + /* Patched to correct the immediate */ void noinstr spectre_bhb_patch_loop_iter(struct alt_instr *alt, __le32 *origptr, __le32 *updptr, int nr_inst) { u8 rd; u32 insn; - u16 loop_count = spectre_bhb_loop_affected(SCOPE_SYSTEM);

BUG_ON(nr_inst != 1); /* MOV -> MOV */

@@ -1124,7 +1164,7 @@ void noinstr spectre_bhb_patch_loop_iter(struct alt_instr *alt,

insn = le32_to_cpu(*origptr); rd = aarch64_insn_decode_register(AARCH64_INSN_REGTYPE_RD, insn); - insn = aarch64_insn_gen_movewide(rd, loop_count, 0, + insn = aarch64_insn_gen_movewide(rd, max_bhb_k, 0, AARCH64_INSN_VARIANT_64BIT, AARCH64_INSN_MOVEWIDE_ZERO); *updptr++ = cpu_to_le32(insn); diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 6c9e7662c07f..5d52eac22d83 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -140,7 +140,7 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)

addr += n; if (regs_within_kernel_stack(regs, (unsigned long)addr)) - return *addr; + return READ_ONCE_NOCHECK(*addr); else return 0; } diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h index cc0cf0f5c7c3..9d9250c7cc72 100644 --- a/arch/arm64/net/bpf_jit.h +++ b/arch/arm64/net/bpf_jit.h @@ -89,9 +89,16 @@ #define A64_STXR(sf, Rt, Rn, Rs) \ A64_LSX(sf, Rt, Rn, Rs, STORE_EX)

-/* LSE atomics */ +/* + * LSE atomics + * + * STADD is simply encoded as an alias for LDADD with XZR as + * the destination register. + */ #define A64_STADD(sf, Rn, Rs) \ - aarch64_insn_gen_stadd(Rn, Rs, A64_SIZE(sf)) + aarch64_insn_gen_atomic_ld_op(A64_ZR, Rn, Rs, \ + A64_SIZE(sf), AARCH64_INSN_MEM_ATOMIC_ADD, \ + AARCH64_INSN_MEM_ORDER_NONE)

/* Add/subtract (immediate) */ #define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \ diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 18627cbd6da4..970d8f318177 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -7,14 +7,17 @@

#define pr_fmt(fmt) "bpf_jit: " fmt

+#include <linux/arm-smccc.h> #include <linux/bitfield.h> #include <linux/bpf.h> +#include <linux/cpu.h> #include <linux/filter.h> #include <linux/printk.h> #include <linux/slab.h>

#include <asm/byteorder.h> #include <asm/cacheflush.h> +#include <asm/cpufeature.h> #include <asm/debug-monitors.h> #include <asm/set_memory.h>

@@ -328,7 +331,51 @@ static int emit_bpf_tail_call(struct jit_ctx *ctx) #undef jmp_offset }

-static void build_epilogue(struct jit_ctx *ctx) +/* Clobbers BPF registers 1-4, aka x0-x3 */ +static void __maybe_unused build_bhb_mitigation(struct jit_ctx *ctx) +{ + const u8 r1 = bpf2a64[BPF_REG_1]; /* aka x0 */ + u8 k = get_spectre_bhb_loop_value(); + + if (!IS_ENABLED(CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY) || + cpu_mitigations_off() || __nospectre_bhb || + arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE) + return; + + if (capable(CAP_SYS_ADMIN)) + return; + + if (supports_clearbhb(SCOPE_SYSTEM)) { + emit(aarch64_insn_gen_hint(AARCH64_INSN_HINT_CLEARBHB), ctx); + return; + } + + if (k) { + emit_a64_mov_i64(r1, k, ctx); + emit(A64_B(1), ctx); + emit(A64_SUBS_I(true, r1, r1, 1), ctx); + emit(A64_B_(A64_COND_NE, -2), ctx); + emit(aarch64_insn_gen_dsb(AARCH64_INSN_MB_ISH), ctx); + emit(aarch64_insn_get_isb_value(), ctx); + } + + if (is_spectre_bhb_fw_mitigated()) { + emit(A64_ORR_I(false, r1, AARCH64_INSN_REG_ZR, + ARM_SMCCC_ARCH_WORKAROUND_3), ctx); + switch (arm_smccc_1_1_get_conduit()) { + case SMCCC_CONDUIT_HVC: + emit(aarch64_insn_get_hvc_value(), ctx); + break; + case SMCCC_CONDUIT_SMC: + emit(aarch64_insn_get_smc_value(), ctx); + break; + default: + pr_err_once("Firmware mitigation enabled with unknown conduit\n"); + } + } +} + +static void build_epilogue(struct jit_ctx *ctx, bool was_classic) { const u8 r0 = bpf2a64[BPF_REG_0]; const u8 r6 = bpf2a64[BPF_REG_6]; @@ -347,10 +394,13 @@ static void build_epilogue(struct jit_ctx *ctx) emit(A64_POP(r8, r9, A64_SP), ctx); emit(A64_POP(r6, r7, A64_SP), ctx);

+ if (was_classic) + build_bhb_mitigation(ctx); + /* Restore FP/LR registers */ emit(A64_POP(A64_FP, A64_LR, A64_SP), ctx);

- /* Set return value */ + /* Move the return value from bpf:r0 (aka x7) to x0 */ emit(A64_MOV(1, A64_R(0), r0), ctx);

emit(A64_RET(A64_LR), ctx); @@ -1057,7 +1107,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) }

ctx.epilogue_offset = ctx.idx; - build_epilogue(&ctx); + build_epilogue(&ctx, was_classic);

extable_size = prog->aux->num_exentries * sizeof(struct exception_table_entry); @@ -1089,7 +1139,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) goto out_off; }

- build_epilogue(&ctx); + build_epilogue(&ctx, was_classic);

/* 3. Extra pass to validate JITed code. */ if (validate_code(&ctx)) { diff --git a/arch/arm64/xen/hypercall.S b/arch/arm64/xen/hypercall.S index 5b09aca55108..d0ccf2d76f70 100644 --- a/arch/arm64/xen/hypercall.S +++ b/arch/arm64/xen/hypercall.S @@ -84,7 +84,26 @@ HYPERCALL1(tmem_op); HYPERCALL1(platform_op_raw); HYPERCALL2(multicall); HYPERCALL2(vm_assist); -HYPERCALL3(dm_op); + +SYM_FUNC_START(HYPERVISOR_dm_op) + mov x16, #__HYPERVISOR_dm_op; \ + /* + * dm_op hypercalls are issued by the userspace. The kernel needs to + * enable access to TTBR0_EL1 as the hypervisor would issue stage 1 + * translations to user memory via AT instructions. Since AT + * instructions are not affected by the PAN bit (ARMv8.1), we only + * need the explicit uaccess_enable/disable if the TTBR0 PAN emulation + * is enabled (it implies that hardware UAO and PAN disabled). + */ + uaccess_ttbr0_enable x6, x7, x8 + hvc XEN_IMM + + /* + * Disable userspace access from kernel once the hyp call completed. + */ + uaccess_ttbr0_disable x6, x7 + ret +SYM_FUNC_END(HYPERVISOR_dm_op);

SYM_FUNC_START(privcmd_call) mov x16, x0 diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 2bea1799b8de..856042fecd81 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -800,7 +800,7 @@ static void __init mac_identify(void) }

macintosh_config = mac_data_table; - for (m = macintosh_config; m->ident != -1; m++) { + for (m = &mac_data_table[1]; m->ident != -1; m++) { if (m->ident == model) { macintosh_config = m; break; diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 289fb4b88d0e..5303a386cd6d 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -110,7 +110,7 @@ endif # (specifically newer than 2.24.51.20140728) we then also need to explicitly # set ".set hardfloat" in all files which manipulate floating point registers. # -ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) +ifneq ($(call cc-option,$(cflags-y) -Wa$(comma)-msoft-float,),) cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float endif

@@ -153,7 +153,7 @@ cflags-y += -fno-stack-check # # Avoid this by explicitly disabling that assembler behaviour. # -cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) +cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)

# # CPU-dependent compiler/assembler options for optimization. @@ -319,7 +319,7 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_LDFLAGS += -m $(ld-emul)

ifdef CONFIG_MIPS -CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ +CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \ sed -e "s/^#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/$$/&&/g') endif diff --git a/arch/mips/boot/dts/loongson/loongson64c_4core_ls7a.dts b/arch/mips/boot/dts/loongson/loongson64c_4core_ls7a.dts index c7ea4f1c0bb2..6c277ab83d4b 100644 --- a/arch/mips/boot/dts/loongson/loongson64c_4core_ls7a.dts +++ b/arch/mips/boot/dts/loongson/loongson64c_4core_ls7a.dts @@ -29,6 +29,7 @@ msi: msi-controller@2ff00000 { compatible = "loongson,pch-msi-1.0"; reg = <0 0x2ff00000 0 0x8>; interrupt-controller; + #interrupt-cells = <1>; msi-controller; loongson,msi-base-vec = <64>; loongson,msi-num-vecs = <64>; diff --git a/arch/mips/loongson2ef/Platform b/arch/mips/loongson2ef/Platform index ae023b9a1c51..bc3cad78990d 100644 --- a/arch/mips/loongson2ef/Platform +++ b/arch/mips/loongson2ef/Platform @@ -28,7 +28,7 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += \ # binutils does not merge support for the flag then we can revisit & remove # this later - for now it ensures vendor toolchains don't cause problems. # -cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) +cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)

# Enable the workarounds for Loongson2f ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index 2131d3fd7333..638aaaba44ce 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -29,6 +29,7 @@ endif # offsets. cflags-vdso := $(ccflags-vdso) \ $(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \ + $(filter -std=%,$(KBUILD_CFLAGS)) \ -O3 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \ -mrelax-pic-calls $(call cc-option, -mexplicit-relocs) \ -fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \ diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h index 2600d76c310c..966fef8249bb 100644 --- a/arch/nios2/include/asm/pgtable.h +++ b/arch/nios2/include/asm/pgtable.h @@ -277,4 +277,20 @@ extern void __init mmu_init(void); extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *pte);

+static inline int pte_same(pte_t pte_a, pte_t pte_b); + +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +static inline int ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, + pte_t entry, int dirty) +{ + if (!pte_same(*ptep, entry)) + set_ptes(vma->vm_mm, address, ptep, entry, 1); + /* + * update_mmu_cache will unconditionally execute, handling both + * the case that the PTE changed and the spurious fault case. + */ + return true; +} + #endif /* _ASM_NIOS2_PGTABLE_H */ diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index dff453687530..4e5aecc263a2 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -22,6 +22,7 @@ KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os ifndef CONFIG_64BIT KBUILD_CFLAGS += -mfast-indirect-calls endif +KBUILD_CFLAGS += -std=gnu11

OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o

diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h index 47062b457049..c6df6fefbe8c 100644 --- a/arch/powerpc/include/asm/vas.h +++ b/arch/powerpc/include/asm/vas.h @@ -162,6 +162,9 @@ int vas_copy_crb(void *crb, int offset); */ int vas_paste_crb(struct vas_window *win, int offset, bool re);

+void vas_win_paste_addr(struct vas_window *window, u64 *addr, + int *len); + /* * Register / unregister coprocessor type to VAS API which will be exported * to user space. Applications can use this API to open / close window diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 20c417ad9c6d..fbc6eaaf10e1 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -1525,6 +1525,8 @@ int eeh_pe_configure(struct eeh_pe *pe) /* Invalid PE ? */ if (!pe) return -ENODEV; + else + ret = eeh_ops->configure_bridge(pe);

return ret; } diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 7a5e8f4541e3..594544a65b02 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -20,6 +20,7 @@ source "arch/powerpc/platforms/embedded6xx/Kconfig" source "arch/powerpc/platforms/44x/Kconfig" source "arch/powerpc/platforms/40x/Kconfig" source "arch/powerpc/platforms/amigaone/Kconfig" +source "arch/powerpc/platforms/book3s/Kconfig"

config KVM_GUEST bool "KVM Guest support" diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 143d4417f6cc..0e75d7df387b 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_PPC_CELL) += cell/ obj-$(CONFIG_PPC_PS3) += ps3/ obj-$(CONFIG_EMBEDDED6xx) += embedded6xx/ obj-$(CONFIG_AMIGAONE) += amigaone/ +obj-$(CONFIG_PPC_BOOK3S) += book3s/ diff --git a/arch/powerpc/platforms/book3s/Kconfig b/arch/powerpc/platforms/book3s/Kconfig new file mode 100644 index 000000000000..34c931592ef0 --- /dev/null +++ b/arch/powerpc/platforms/book3s/Kconfig @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0 +config PPC_VAS + bool "IBM Virtual Accelerator Switchboard (VAS)" + depends on (PPC_POWERNV || PPC_PSERIES) && PPC_64K_PAGES + default y + help + This enables support for IBM Virtual Accelerator Switchboard (VAS). + + VAS devices are found in POWER9-based and later systems, they + provide access to accelerator coprocessors such as NX-GZIP and + NX-842. This config allows the kernel to use NX-842 accelerators, + and user-mode APIs for the NX-GZIP accelerator on POWER9 PowerNV + and POWER10 PowerVM platforms. + + If unsure, say "N". diff --git a/arch/powerpc/platforms/book3s/Makefile b/arch/powerpc/platforms/book3s/Makefile new file mode 100644 index 000000000000..e790f1910f61 --- /dev/null +++ b/arch/powerpc/platforms/book3s/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_PPC_VAS) += vas-api.o diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c new file mode 100644 index 000000000000..9bf6bc700ae9 --- /dev/null +++ b/arch/powerpc/platforms/book3s/vas-api.c @@ -0,0 +1,287 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * VAS user space API for its accelerators (Only NX-GZIP is supported now) + * Copyright (C) 2019 Haren Myneni, IBM Corp + */ + +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/cdev.h> +#include <linux/fs.h> +#include <linux/slab.h> +#include <linux/uaccess.h> +#include <linux/io.h> +#include <asm/vas.h> +#include <uapi/asm/vas-api.h> + +/* + * The driver creates the device node that can be used as follows: + * For NX-GZIP + * + * fd = open("/dev/crypto/nx-gzip", O_RDWR); + * rc = ioctl(fd, VAS_TX_WIN_OPEN, &attr); + * paste_addr = mmap(NULL, PAGE_SIZE, prot, MAP_SHARED, fd, 0ULL). + * vas_copy(&crb, 0, 1); + * vas_paste(paste_addr, 0, 1); + * close(fd) or exit process to close window. + * + * where "vas_copy" and "vas_paste" are defined in copy-paste.h. + * copy/paste returns to the user space directly. So refer NX hardware + * documententation for exact copy/paste usage and completion / error + * conditions. + */ + +/* + * Wrapper object for the nx-gzip device - there is just one instance of + * this node for the whole system. + */ +static struct coproc_dev { + struct cdev cdev; + struct device *device; + char *name; + dev_t devt; + struct class *class; + enum vas_cop_type cop_type; +} coproc_device; + +struct coproc_instance { + struct coproc_dev *coproc; + struct vas_window *txwin; +}; + +static char *coproc_devnode(struct device *dev, umode_t *mode) +{ + return kasprintf(GFP_KERNEL, "crypto/%s", dev_name(dev)); +} + +static int coproc_open(struct inode *inode, struct file *fp) +{ + struct coproc_instance *cp_inst; + + cp_inst = kzalloc(sizeof(*cp_inst), GFP_KERNEL); + if (!cp_inst) + return -ENOMEM; + + cp_inst->coproc = container_of(inode->i_cdev, struct coproc_dev, + cdev); + fp->private_data = cp_inst; + + return 0; +} + +static int coproc_ioc_tx_win_open(struct file *fp, unsigned long arg) +{ + void __user *uptr = (void __user *)arg; + struct vas_tx_win_attr txattr = {}; + struct vas_tx_win_open_attr uattr; + struct coproc_instance *cp_inst; + struct vas_window *txwin; + int rc, vasid; + + cp_inst = fp->private_data; + + /* + * One window for file descriptor + */ + if (cp_inst->txwin) + return -EEXIST; + + rc = copy_from_user(&uattr, uptr, sizeof(uattr)); + if (rc) { + pr_err("%s(): copy_from_user() returns %d\n", __func__, rc); + return -EFAULT; + } + + if (uattr.version != 1) { + pr_err("Invalid version\n"); + return -EINVAL; + } + + vasid = uattr.vas_id; + + vas_init_tx_win_attr(&txattr, cp_inst->coproc->cop_type); + + txattr.lpid = mfspr(SPRN_LPID); + txattr.pidr = mfspr(SPRN_PID); + txattr.user_win = true; + txattr.rsvd_txbuf_count = false; + txattr.pswid = false; + + pr_devel("Pid %d: Opening txwin, PIDR %ld\n", txattr.pidr, + mfspr(SPRN_PID)); + + txwin = vas_tx_win_open(vasid, cp_inst->coproc->cop_type, &txattr); + if (IS_ERR(txwin)) { + pr_err("%s() vas_tx_win_open() failed, %ld\n", __func__, + PTR_ERR(txwin)); + return PTR_ERR(txwin); + } + + cp_inst->txwin = txwin; + + return 0; +} + +static int coproc_release(struct inode *inode, struct file *fp) +{ + struct coproc_instance *cp_inst = fp->private_data; + + if (cp_inst->txwin) { + vas_win_close(cp_inst->txwin); + cp_inst->txwin = NULL; + } + + kfree(cp_inst); + fp->private_data = NULL; + + /* + * We don't know here if user has other receive windows + * open, so we can't really call clear_thread_tidr(). + * So, once the process calls set_thread_tidr(), the + * TIDR value sticks around until process exits, resulting + * in an extra copy in restore_sprs(). + */ + + return 0; +} + +static int coproc_mmap(struct file *fp, struct vm_area_struct *vma) +{ + struct coproc_instance *cp_inst = fp->private_data; + struct vas_window *txwin; + unsigned long pfn; + u64 paste_addr; + pgprot_t prot; + int rc; + + txwin = cp_inst->txwin; + + if ((vma->vm_end - vma->vm_start) > PAGE_SIZE) { + pr_debug("%s(): size 0x%zx, PAGE_SIZE 0x%zx\n", __func__, + (vma->vm_end - vma->vm_start), PAGE_SIZE); + return -EINVAL; + } + + /* + * Map complete page to the paste address. So the user + * space should pass 0ULL to the offset parameter. + */ + if (vma->vm_pgoff) { + pr_debug("Page offset unsupported to map paste address\n"); + return -EINVAL; + } + + /* Ensure instance has an open send window */ + if (!txwin) { + pr_err("%s(): No send window open?\n", __func__); + return -EINVAL; + } + + vas_win_paste_addr(txwin, &paste_addr, NULL); + pfn = paste_addr >> PAGE_SHIFT; + + /* flags, page_prot from cxl_mmap(), except we want cachable */ + vma->vm_flags |= VM_IO | VM_PFNMAP; + vma->vm_page_prot = pgprot_cached(vma->vm_page_prot); + + prot = __pgprot(pgprot_val(vma->vm_page_prot) | _PAGE_DIRTY); + + rc = remap_pfn_range(vma, vma->vm_start, pfn + vma->vm_pgoff, + vma->vm_end - vma->vm_start, prot); + + pr_devel("%s(): paste addr %llx at %lx, rc %d\n", __func__, + paste_addr, vma->vm_start, rc); + + return rc; +} + +static long coproc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case VAS_TX_WIN_OPEN: + return coproc_ioc_tx_win_open(fp, arg); + default: + return -EINVAL; + } +} + +static struct file_operations coproc_fops = { + .open = coproc_open, + .release = coproc_release, + .mmap = coproc_mmap, + .unlocked_ioctl = coproc_ioctl, +}; + +/* + * Supporting only nx-gzip coprocessor type now, but this API code + * extended to other coprocessor types later. + */ +int vas_register_coproc_api(struct module *mod, enum vas_cop_type cop_type, + const char *name) +{ + int rc = -EINVAL; + dev_t devno; + + rc = alloc_chrdev_region(&coproc_device.devt, 1, 1, name); + if (rc) { + pr_err("Unable to allocate coproc major number: %i\n", rc); + return rc; + } + + pr_devel("%s device allocated, dev [%i,%i]\n", name, + MAJOR(coproc_device.devt), MINOR(coproc_device.devt)); + + coproc_device.class = class_create(mod, name); + if (IS_ERR(coproc_device.class)) { + rc = PTR_ERR(coproc_device.class); + pr_err("Unable to create %s class %d\n", name, rc); + goto err_class; + } + coproc_device.class->devnode = coproc_devnode; + coproc_device.cop_type = cop_type; + + coproc_fops.owner = mod; + cdev_init(&coproc_device.cdev, &coproc_fops); + + devno = MKDEV(MAJOR(coproc_device.devt), 0); + rc = cdev_add(&coproc_device.cdev, devno, 1); + if (rc) { + pr_err("cdev_add() failed %d\n", rc); + goto err_cdev; + } + + coproc_device.device = device_create(coproc_device.class, NULL, + devno, NULL, name, MINOR(devno)); + if (IS_ERR(coproc_device.device)) { + rc = PTR_ERR(coproc_device.device); + pr_err("Unable to create coproc-%d %d\n", MINOR(devno), rc); + goto err; + } + + pr_devel("%s: Added dev [%d,%d]\n", __func__, MAJOR(devno), + MINOR(devno)); + + return 0; + +err: + cdev_del(&coproc_device.cdev); +err_cdev: + class_destroy(coproc_device.class); +err_class: + unregister_chrdev_region(coproc_device.devt, 1); + return rc; +} +EXPORT_SYMBOL_GPL(vas_register_coproc_api); + +void vas_unregister_coproc_api(void) +{ + dev_t devno; + + cdev_del(&coproc_device.cdev); + devno = MKDEV(MAJOR(coproc_device.devt), 0); + device_destroy(coproc_device.class, devno); + + class_destroy(coproc_device.class); + unregister_chrdev_region(coproc_device.devt, 1); +} +EXPORT_SYMBOL_GPL(vas_unregister_coproc_api); diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig index 938803eab0ad..b3cb3d0c51c7 100644 --- a/arch/powerpc/platforms/powernv/Kconfig +++ b/arch/powerpc/platforms/powernv/Kconfig @@ -33,20 +33,6 @@ config PPC_MEMTRACE Enabling this option allows for the removal of memory (RAM) from the kernel mappings to be used for hardware tracing.

-config PPC_VAS - bool "IBM Virtual Accelerator Switchboard (VAS)" - depends on PPC_POWERNV && PPC_64K_PAGES - default y - help - This enables support for IBM Virtual Accelerator Switchboard (VAS). - - VAS allows accelerators in co-processors like NX-GZIP and NX-842 - to be accessible to kernel subsystems and user processes. - - VAS adapters are found in POWER9 based systems. - - If unsure, say N. - config SCOM_DEBUGFS bool "Expose SCOM controllers via debugfs" depends on DEBUG_FS diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile index 2eb6ae150d1f..c747a1f1d25b 100644 --- a/arch/powerpc/platforms/powernv/Makefile +++ b/arch/powerpc/platforms/powernv/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_MEMORY_FAILURE) += opal-memory-errors.o obj-$(CONFIG_OPAL_PRD) += opal-prd.o obj-$(CONFIG_PERF_EVENTS) += opal-imc.o obj-$(CONFIG_PPC_MEMTRACE) += memtrace.o -obj-$(CONFIG_PPC_VAS) += vas.o vas-window.o vas-debug.o vas-fault.o vas-api.o +obj-$(CONFIG_PPC_VAS) += vas.o vas-window.o vas-debug.o vas-fault.o obj-$(CONFIG_OCXL_BASE) += ocxl.o obj-$(CONFIG_SCOM_DEBUGFS) += opal-xscom.o obj-$(CONFIG_PPC_SECURE_BOOT) += opal-secvar.o diff --git a/arch/powerpc/platforms/powernv/vas-api.c b/arch/powerpc/platforms/powernv/vas-api.c deleted file mode 100644 index 98ed5d8c5441..000000000000 --- a/arch/powerpc/platforms/powernv/vas-api.c +++ /dev/null @@ -1,278 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * VAS user space API for its accelerators (Only NX-GZIP is supported now) - * Copyright (C) 2019 Haren Myneni, IBM Corp - */ - -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/cdev.h> -#include <linux/fs.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <asm/vas.h> -#include <uapi/asm/vas-api.h> -#include "vas.h" - -/* - * The driver creates the device node that can be used as follows: - * For NX-GZIP - * - * fd = open("/dev/crypto/nx-gzip", O_RDWR); - * rc = ioctl(fd, VAS_TX_WIN_OPEN, &attr); - * paste_addr = mmap(NULL, PAGE_SIZE, prot, MAP_SHARED, fd, 0ULL). - * vas_copy(&crb, 0, 1); - * vas_paste(paste_addr, 0, 1); - * close(fd) or exit process to close window. - * - * where "vas_copy" and "vas_paste" are defined in copy-paste.h. - * copy/paste returns to the user space directly. So refer NX hardware - * documententation for exact copy/paste usage and completion / error - * conditions. - */ - -/* - * Wrapper object for the nx-gzip device - there is just one instance of - * this node for the whole system. - */ -static struct coproc_dev { - struct cdev cdev; - struct device *device; - char *name; - dev_t devt; - struct class *class; - enum vas_cop_type cop_type; -} coproc_device; - -struct coproc_instance { - struct coproc_dev *coproc; - struct vas_window *txwin; -}; - -static char *coproc_devnode(struct device *dev, umode_t *mode) -{ - return kasprintf(GFP_KERNEL, "crypto/%s", dev_name(dev)); -} - -static int coproc_open(struct inode *inode, struct file *fp) -{ - struct coproc_instance *cp_inst; - - cp_inst = kzalloc(sizeof(*cp_inst), GFP_KERNEL); - if (!cp_inst) - return -ENOMEM; - - cp_inst->coproc = container_of(inode->i_cdev, struct coproc_dev, - cdev); - fp->private_data = cp_inst; - - return 0; -} - -static int coproc_ioc_tx_win_open(struct file *fp, unsigned long arg) -{ - void __user *uptr = (void __user *)arg; - struct vas_tx_win_attr txattr = {}; - struct vas_tx_win_open_attr uattr; - struct coproc_instance *cp_inst; - struct vas_window *txwin; - int rc, vasid; - - cp_inst = fp->private_data; - - /* - * One window for file descriptor - */ - if (cp_inst->txwin) - return -EEXIST; - - rc = copy_from_user(&uattr, uptr, sizeof(uattr)); - if (rc) { - pr_err("%s(): copy_from_user() returns %d\n", __func__, rc); - return -EFAULT; - } - - if (uattr.version != 1) { - pr_err("Invalid version\n"); - return -EINVAL; - } - - vasid = uattr.vas_id; - - vas_init_tx_win_attr(&txattr, cp_inst->coproc->cop_type); - - txattr.lpid = mfspr(SPRN_LPID); - txattr.pidr = mfspr(SPRN_PID); - txattr.user_win = true; - txattr.rsvd_txbuf_count = false; - txattr.pswid = false; - - pr_devel("Pid %d: Opening txwin, PIDR %ld\n", txattr.pidr, - mfspr(SPRN_PID)); - - txwin = vas_tx_win_open(vasid, cp_inst->coproc->cop_type, &txattr); - if (IS_ERR(txwin)) { - pr_err("%s() vas_tx_win_open() failed, %ld\n", __func__, - PTR_ERR(txwin)); - return PTR_ERR(txwin); - } - - cp_inst->txwin = txwin; - - return 0; -} - -static int coproc_release(struct inode *inode, struct file *fp) -{ - struct coproc_instance *cp_inst = fp->private_data; - - if (cp_inst->txwin) { - vas_win_close(cp_inst->txwin); - cp_inst->txwin = NULL; - } - - kfree(cp_inst); - fp->private_data = NULL; - - /* - * We don't know here if user has other receive windows - * open, so we can't really call clear_thread_tidr(). - * So, once the process calls set_thread_tidr(), the - * TIDR value sticks around until process exits, resulting - * in an extra copy in restore_sprs(). - */ - - return 0; -} - -static int coproc_mmap(struct file *fp, struct vm_area_struct *vma) -{ - struct coproc_instance *cp_inst = fp->private_data; - struct vas_window *txwin; - unsigned long pfn; - u64 paste_addr; - pgprot_t prot; - int rc; - - txwin = cp_inst->txwin; - - if ((vma->vm_end - vma->vm_start) > PAGE_SIZE) { - pr_debug("%s(): size 0x%zx, PAGE_SIZE 0x%zx\n", __func__, - (vma->vm_end - vma->vm_start), PAGE_SIZE); - return -EINVAL; - } - - /* Ensure instance has an open send window */ - if (!txwin) { - pr_err("%s(): No send window open?\n", __func__); - return -EINVAL; - } - - vas_win_paste_addr(txwin, &paste_addr, NULL); - pfn = paste_addr >> PAGE_SHIFT; - - /* flags, page_prot from cxl_mmap(), except we want cachable */ - vma->vm_flags |= VM_IO | VM_PFNMAP; - vma->vm_page_prot = pgprot_cached(vma->vm_page_prot); - - prot = __pgprot(pgprot_val(vma->vm_page_prot) | _PAGE_DIRTY); - - rc = remap_pfn_range(vma, vma->vm_start, pfn + vma->vm_pgoff, - vma->vm_end - vma->vm_start, prot); - - pr_devel("%s(): paste addr %llx at %lx, rc %d\n", __func__, - paste_addr, vma->vm_start, rc); - - return rc; -} - -static long coproc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) -{ - switch (cmd) { - case VAS_TX_WIN_OPEN: - return coproc_ioc_tx_win_open(fp, arg); - default: - return -EINVAL; - } -} - -static struct file_operations coproc_fops = { - .open = coproc_open, - .release = coproc_release, - .mmap = coproc_mmap, - .unlocked_ioctl = coproc_ioctl, -}; - -/* - * Supporting only nx-gzip coprocessor type now, but this API code - * extended to other coprocessor types later. - */ -int vas_register_coproc_api(struct module *mod, enum vas_cop_type cop_type, - const char *name) -{ - int rc = -EINVAL; - dev_t devno; - - rc = alloc_chrdev_region(&coproc_device.devt, 1, 1, name); - if (rc) { - pr_err("Unable to allocate coproc major number: %i\n", rc); - return rc; - } - - pr_devel("%s device allocated, dev [%i,%i]\n", name, - MAJOR(coproc_device.devt), MINOR(coproc_device.devt)); - - coproc_device.class = class_create(mod, name); - if (IS_ERR(coproc_device.class)) { - rc = PTR_ERR(coproc_device.class); - pr_err("Unable to create %s class %d\n", name, rc); - goto err_class; - } - coproc_device.class->devnode = coproc_devnode; - coproc_device.cop_type = cop_type; - - coproc_fops.owner = mod; - cdev_init(&coproc_device.cdev, &coproc_fops); - - devno = MKDEV(MAJOR(coproc_device.devt), 0); - rc = cdev_add(&coproc_device.cdev, devno, 1); - if (rc) { - pr_err("cdev_add() failed %d\n", rc); - goto err_cdev; - } - - coproc_device.device = device_create(coproc_device.class, NULL, - devno, NULL, name, MINOR(devno)); - if (IS_ERR(coproc_device.device)) { - rc = PTR_ERR(coproc_device.device); - pr_err("Unable to create coproc-%d %d\n", MINOR(devno), rc); - goto err; - } - - pr_devel("%s: Added dev [%d,%d]\n", __func__, MAJOR(devno), - MINOR(devno)); - - return 0; - -err: - cdev_del(&coproc_device.cdev); -err_cdev: - class_destroy(coproc_device.class); -err_class: - unregister_chrdev_region(coproc_device.devt, 1); - return rc; -} -EXPORT_SYMBOL_GPL(vas_register_coproc_api); - -void vas_unregister_coproc_api(void) -{ - dev_t devno; - - cdev_del(&coproc_device.cdev); - devno = MKDEV(MAJOR(coproc_device.devt), 0); - device_destroy(coproc_device.class, devno); - - class_destroy(coproc_device.class); - unregister_chrdev_region(coproc_device.devt, 1); -} -EXPORT_SYMBOL_GPL(vas_unregister_coproc_api); diff --git a/arch/powerpc/platforms/powernv/vas.h b/arch/powerpc/platforms/powernv/vas.h index 1f6e73809205..032b04d4d3d4 100644 --- a/arch/powerpc/platforms/powernv/vas.h +++ b/arch/powerpc/platforms/powernv/vas.h @@ -437,8 +437,6 @@ extern irqreturn_t vas_fault_handler(int irq, void *dev_id); extern void vas_return_credit(struct vas_window *window, bool tx); extern struct vas_window *vas_pswid_to_window(struct vas_instance *vinst, uint32_t pswid); -extern void vas_win_paste_addr(struct vas_window *window, u64 *addr, - int *len);

static inline int vas_window_pid(struct vas_window *window) { diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index cd0cbdafedbd..03742d7cb61a 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -543,17 +543,15 @@ static void bpf_jit_prologue(struct bpf_jit *jit, u32 stack_depth) } /* Setup stack and backchain */ if (is_first_pass(jit) || (jit->seen & SEEN_STACK)) { - if (is_first_pass(jit) || (jit->seen & SEEN_FUNC)) - /* lgr %w1,%r15 (backchain) */ - EMIT4(0xb9040000, REG_W1, REG_15); + /* lgr %w1,%r15 (backchain) */ + EMIT4(0xb9040000, REG_W1, REG_15); /* la %bfp,STK_160_UNUSED(%r15) (BPF frame pointer) */ EMIT4_DISP(0x41000000, BPF_REG_FP, REG_15, STK_160_UNUSED); /* aghi %r15,-STK_OFF */ EMIT4_IMM(0xa70b0000, REG_15, -(STK_OFF + stack_depth)); - if (is_first_pass(jit) || (jit->seen & SEEN_FUNC)) - /* stg %w1,152(%r15) (backchain) */ - EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, - REG_15, 152); + /* stg %w1,152(%r15) (backchain) */ + EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, + REG_15, 152); } }

diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c index 6e7c4762bd23..d3be09092a3b 100644 --- a/arch/s390/pci/pci_mmio.c +++ b/arch/s390/pci/pci_mmio.c @@ -229,7 +229,7 @@ static inline int __pcilg_mio_inuser( : [cc] "+d" (cc), [val] "=d" (val), [len] "+d" (len), [dst] "+a" (dst), [cnt] "+d" (cnt), [tmp] "=d" (tmp), - [shift] "+d" (shift) + [shift] "+a" (shift) : [ioaddr] "a" (addr) : "cc", "memory"); diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 9509d345edcb..e1a750baf036 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -49,7 +49,7 @@ KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += -D__DISABLE_EXPORTS # Disable relocation relaxation in case the link is not PIE. -KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no) +KBUILD_CFLAGS += $(call cc-option,-Wa$(comma)-mrelax-relocations=no) KBUILD_CFLAGS += -include $(srctree)/include/linux/hidden.h

# sev-es.c indirectly inludes inat-table.h which is generated during diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 9b3611e4cb80..045ab6d0a98b 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1231,13 +1231,9 @@ static __ro_after_init enum spectre_v2_mitigation_cmd spectre_v2_cmd; static enum spectre_v2_user_cmd __init spectre_v2_parse_user_cmdline(void) { - enum spectre_v2_user_cmd mode; char arg[20]; int ret, i;

- mode = IS_ENABLED(CONFIG_MITIGATION_SPECTRE_V2) ? - SPECTRE_V2_USER_CMD_AUTO : SPECTRE_V2_USER_CMD_NONE; - switch (spectre_v2_cmd) { case SPECTRE_V2_CMD_NONE: return SPECTRE_V2_USER_CMD_NONE; @@ -1250,7 +1246,7 @@ spectre_v2_parse_user_cmdline(void) ret = cmdline_find_option(boot_command_line, "spectre_v2_user", arg, sizeof(arg)); if (ret < 0) - return mode; + return SPECTRE_V2_USER_CMD_AUTO;

for (i = 0; i < ARRAY_SIZE(v2_user_options); i++) { if (match_option(arg, ret, v2_user_options[i].option)) { @@ -1260,8 +1256,8 @@ spectre_v2_parse_user_cmdline(void) } }

- pr_err("Unknown user space protection option (%s). Switching to default\n", arg); - return mode; + pr_err("Unknown user space protection option (%s). Switching to AUTO select\n", arg); + return SPECTRE_V2_USER_CMD_AUTO; }

static inline bool spectre_v2_in_eibrs_mode(enum spectre_v2_mitigation mode) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 840fdffec850..db225e325ccf 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -931,17 +931,18 @@ void get_cpu_cap(struct cpuinfo_x86 *c) c->x86_capability[CPUID_D_1_EAX] = eax; }

- /* AMD-defined flags: level 0x80000001 */ + /* + * Check if extended CPUID leaves are implemented: Max extended + * CPUID leaf must be in the 0x80000001-0x8000ffff range. + */ eax = cpuid_eax(0x80000000); - c->extended_cpuid_level = eax; + c->extended_cpuid_level = ((eax & 0xffff0000) == 0x80000000) ? eax : 0;

- if ((eax & 0xffff0000) == 0x80000000) { - if (eax >= 0x80000001) { - cpuid(0x80000001, &eax, &ebx, &ecx, &edx); + if (c->extended_cpuid_level >= 0x80000001) { + cpuid(0x80000001, &eax, &ebx, &ecx, &edx);

- c->x86_capability[CPUID_8000_0001_ECX] = ecx; - c->x86_capability[CPUID_8000_0001_EDX] = edx; - } + c->x86_capability[CPUID_8000_0001_ECX] = ecx; + c->x86_capability[CPUID_8000_0001_EDX] = edx; }

if (c->extended_cpuid_level >= 0x80000007) { diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index a29997e6cf9e..214c8a8c4793 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -350,7 +350,7 @@ static void get_fixed_ranges(mtrr_type *frs)

void mtrr_save_fixed_ranges(void *info) { - if (boot_cpu_has(X86_FEATURE_MTRR)) + if (mtrr_state.have_fixed) get_fixed_ranges(mtrr_state.fixed_ranges); }

diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index e2fab3ceb09f..9a101150376d 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -33,8 +33,9 @@ void io_bitmap_share(struct task_struct *tsk) set_tsk_thread_flag(tsk, TIF_IO_BITMAP); }

-static void task_update_io_bitmap(struct task_struct *tsk) +static void task_update_io_bitmap(void) { + struct task_struct *tsk = current; struct thread_struct *t = &tsk->thread;

if (t->iopl_emul == 3 || t->io_bitmap) { @@ -54,7 +55,12 @@ void io_bitmap_exit(struct task_struct *tsk) struct io_bitmap *iobm = tsk->thread.io_bitmap;

tsk->thread.io_bitmap = NULL; - task_update_io_bitmap(tsk); + /* + * Don't touch the TSS when invoked on a failed fork(). TSS + * reflects the state of @current and not the state of @tsk. + */ + if (tsk == current) + task_update_io_bitmap(); if (iobm && refcount_dec_and_test(&iobm->refcnt)) kfree(iobm); } @@ -192,8 +198,7 @@ SYSCALL_DEFINE1(iopl, unsigned int, level) }

t->iopl_emul = level; - task_update_io_bitmap(current); - + task_update_io_bitmap(); return 0; }

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 38c517a786f4..34e7c49b8057 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -143,6 +143,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg, frame->ret_addr = (unsigned long) ret_from_fork; p->thread.sp = (unsigned long) fork_frame; p->thread.io_bitmap = NULL; + clear_tsk_thread_flag(p, TIF_IO_BITMAP); p->thread.iopl_warn = 0; memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));

@@ -401,6 +402,11 @@ void native_tss_update_io_bitmap(void) } else { struct io_bitmap *iobm = t->io_bitmap;

+ if (WARN_ON_ONCE(!iobm)) { + clear_thread_flag(TIF_IO_BITMAP); + native_tss_invalidate_io_bitmap(); + } + /* * Only copy bitmap data when the sequence number differs. The * update time is accounted to the incoming task. diff --git a/crypto/lrw.c b/crypto/lrw.c index 80d9076e42e0..7adc105c12f7 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -322,7 +322,7 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb)

err = crypto_grab_skcipher(spawn, skcipher_crypto_instance(inst), cipher_name, 0, mask); - if (err == -ENOENT) { + if (err == -ENOENT && memcmp(cipher_name, "ecb(", 4)) { err = -ENAMETOOLONG; if (snprintf(ecb_name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", cipher_name) >= CRYPTO_MAX_ALG_NAME) @@ -356,7 +356,7 @@ static int lrw_create(struct crypto_template *tmpl, struct rtattr **tb) /* Alas we screwed up the naming so we have to mangle the * cipher name. */ - if (!strncmp(cipher_name, "ecb(", 4)) { + if (!memcmp(cipher_name, "ecb(", 4)) { int len;

len = strscpy(ecb_name, cipher_name + 4, sizeof(ecb_name)); diff --git a/crypto/xts.c b/crypto/xts.c index 74dc199d5486..a4677e1a1611 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -360,7 +360,7 @@ static int xts_create(struct crypto_template *tmpl, struct rtattr **tb)

err = crypto_grab_skcipher(&ctx->spawn, skcipher_crypto_instance(inst), cipher_name, 0, mask); - if (err == -ENOENT) { + if (err == -ENOENT && memcmp(cipher_name, "ecb(", 4)) { err = -ENAMETOOLONG; if (snprintf(ctx->name, CRYPTO_MAX_ALG_NAME, "ecb(%s)", cipher_name) >= CRYPTO_MAX_ALG_NAME) @@ -394,7 +394,7 @@ static int xts_create(struct crypto_template *tmpl, struct rtattr **tb) /* Alas we screwed up the naming so we have to mangle the * cipher name. */ - if (!strncmp(cipher_name, "ecb(", 4)) { + if (!memcmp(cipher_name, "ecb(", 4)) { int len;

len = strscpy(ctx->name, cipher_name + 4, sizeof(ctx->name)); diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index fb9ed5e1da89..2bdae8a25e08 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -668,6 +668,8 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state, union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS]; u32 arg_count = 0; u32 index = walk_state->num_operands; + u32 prev_num_operands = walk_state->num_operands; + u32 new_num_operands; u32 i;

ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg); @@ -696,6 +698,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,

/* Create the interpreter arguments, in reverse order */

+ new_num_operands = index; index--; for (i = 0; i < arg_count; i++) { arg = arguments[index]; @@ -720,7 +723,11 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state, * pop everything off of the operand stack and delete those * objects */ - acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state); + walk_state->num_operands = i; + acpi_ds_obj_stack_pop_and_delete(new_num_operands, walk_state); + + /* Restore operand count */ + walk_state->num_operands = prev_num_operands;

ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index)); return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c index 2480c26c5171..bf708126a752 100644 --- a/drivers/acpi/acpica/psobject.c +++ b/drivers/acpi/acpica/psobject.c @@ -636,7 +636,8 @@ acpi_status acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, union acpi_parse_object *op, acpi_status status) { - acpi_status status2; + acpi_status return_status = status; + u8 ascending = TRUE;

ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);

@@ -650,7 +651,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, op)); do { if (op) { - if (walk_state->ascending_callback != NULL) { + if (ascending && walk_state->ascending_callback != NULL) { walk_state->op = op; walk_state->op_info = acpi_ps_get_opcode_info(op->common. @@ -672,49 +673,26 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, }

if (status == AE_CTRL_TERMINATE) { - status = AE_OK; - - /* Clean up */ - do { - if (op) { - status2 = - acpi_ps_complete_this_op - (walk_state, op); - if (ACPI_FAILURE - (status2)) { - return_ACPI_STATUS - (status2); - } - } - - acpi_ps_pop_scope(& - (walk_state-> - parser_state), - &op, - &walk_state-> - arg_types, - &walk_state-> - arg_count); - - } while (op); - - return_ACPI_STATUS(status); + ascending = FALSE; + return_status = AE_CTRL_TERMINATE; }

else if (ACPI_FAILURE(status)) {

/* First error is most important */

- (void) - acpi_ps_complete_this_op(walk_state, - op); - return_ACPI_STATUS(status); + ascending = FALSE; + return_status = status; } }

- status2 = acpi_ps_complete_this_op(walk_state, op); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); + status = acpi_ps_complete_this_op(walk_state, op); + if (ACPI_FAILURE(status)) { + ascending = FALSE; + if (ACPI_SUCCESS(return_status) || + return_status == AE_CTRL_TERMINATE) { + return_status = status; + } } }

@@ -724,5 +702,5 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,

} while (op);

- return_ACPI_STATUS(status); + return_ACPI_STATUS(return_status); } diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c index 681c11f4af4e..a288643e8acd 100644 --- a/drivers/acpi/acpica/utprint.c +++ b/drivers/acpi/acpica/utprint.c @@ -333,11 +333,8 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)

pos = string;

- if (size != ACPI_UINT32_MAX) { - end = string + size; - } else { - end = ACPI_CAST_PTR(char, ACPI_UINT32_MAX); - } + size = ACPI_MIN(size, ACPI_PTR_DIFF(ACPI_MAX_PTR, string)); + end = string + size;

for (; *format; ++format) { if (*format != '%') { diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index 6b18f8bc7be3..71e0d64a7792 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -23,6 +23,7 @@ config ACPI_APEI_GHES select ACPI_HED select IRQ_WORK select GENERIC_ALLOCATOR + select ARM_SDE_INTERFACE if ARM64 help Generic Hardware Error Source provides a way to report platform hardware errors (such as that from chipset). It diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index a6c851411073..72087e05b5a5 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -1478,7 +1478,7 @@ void __init ghes_init(void) { int rc;

- sdei_init(); + acpi_sdei_init();

if (acpi_disabled) return; diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index f9fb092f33a2..4a188cc28b5c 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -255,10 +255,23 @@ static int acpi_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CURRENT_NOW: case POWER_SUPPLY_PROP_POWER_NOW: - if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) + if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) { ret = -ENODEV; - else - val->intval = battery->rate_now * 1000; + break; + } + + val->intval = battery->rate_now * 1000; + /* + * When discharging, the current should be reported as a + * negative number as per the power supply class interface + * definition. + */ + if (psp == POWER_SUPPLY_PROP_CURRENT_NOW && + (battery->state & ACPI_BATTERY_STATE_DISCHARGING) && + acpi_battery_handle_discharging(battery) + == POWER_SUPPLY_STATUS_DISCHARGING) + val->intval = -val->intval; + break; case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c index 9f6853809138..d93409f2b2a0 100644 --- a/drivers/acpi/osi.c +++ b/drivers/acpi/osi.c @@ -42,7 +42,6 @@ static struct acpi_osi_entry osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { {"Module Device", true}, {"Processor Device", true}, - {"3.0 _SCP Extensions", true}, {"Processor Aggregator Device", true}, /* * Linux-Dell-Video is used by BIOS to disable RTD3 for NVidia graphics diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 38044e679795..e5c4d954514d 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -368,7 +368,8 @@ static unsigned long via_mode_filter(struct ata_device *dev, unsigned long mask) }

if (dev->class == ATA_DEV_ATAPI && - dmi_check_system(no_atapi_dma_dmi_table)) { + (dmi_check_system(no_atapi_dma_dmi_table) || + config->id == PCI_DEVICE_ID_VIA_6415)) { ata_dev_warn(dev, "controller locks up on ATAPI DMA, forcing PIO\n"); mask &= ATA_MASK_PIO; } diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c index 96bea1ab1ecc..ff558908897f 100644 --- a/drivers/atm/atmtcp.c +++ b/drivers/atm/atmtcp.c @@ -288,7 +288,9 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) struct sk_buff *new_skb; int result = 0;

- if (!skb->len) return 0; + if (skb->len < sizeof(struct atmtcp_hdr)) + goto done; + dev = vcc->dev_data; hdr = (struct atmtcp_hdr *) skb->data; if (hdr->length == ATMTCP_HDR_MAGIC) { diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index f5a032b6b8d6..7a76f0c53f54 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2676,7 +2676,7 @@ struct device *genpd_dev_pm_attach_by_id(struct device *dev, /* Verify that the index is within a valid range. */ num_domains = of_count_phandle_with_args(dev->of_node, "power-domains", "#power-domain-cells"); - if (index >= num_domains) + if (num_domains < 0 || index >= num_domains) return NULL;

/* Allocate and register device on the genpd bus. */ diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 00a0bdcbb4aa..5600ceb9212d 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -903,6 +903,8 @@ static void __device_resume(struct device *dev, pm_message_t state, bool async) if (!dev->power.is_suspended) goto Complete;

+ dev->power.is_suspended = false; + if (dev->power.direct_complete) { /* Match the pm_runtime_disable() in __device_suspend(). */ pm_runtime_enable(dev); @@ -958,7 +960,6 @@ static void __device_resume(struct device *dev, pm_message_t state, bool async)

End: error = dpm_run_callback(callback, dev, state, info); - dev->power.is_suspended = false;

device_unlock(dev); dpm_watchdog_clear(&wd); diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 4950864d3ea5..58d376b1cd68 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -998,7 +998,7 @@ static enum hrtimer_restart pm_suspend_timer_fn(struct hrtimer *timer) * If 'expires' is after the current time, we've been called * too early. */ - if (expires > 0 && expires < ktime_get_mono_fast_ns()) { + if (expires > 0 && expires <= ktime_get_mono_fast_ns()) { dev->power.timer_expires = 0; rpm_suspend(dev, dev->power.timer_autosuspends ? (RPM_ASYNC | RPM_AUTO) : RPM_ASYNC); diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index b664c36388e2..89b53ca086d6 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -508,7 +508,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, if (prop->is_inline) return -EINVAL;

- if (index * sizeof(*ref) >= prop->length) + if ((index + 1) * sizeof(*ref) > prop->length) return -ENOENT;

ref_array = prop->pointer; diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index e2ea2356da06..ec043f4bb1f2 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -198,6 +198,7 @@ aoedev_downdev(struct aoedev *d) { struct aoetgt *t, **tt, **te; struct list_head *head, *pos, *nx; + struct request *rq, *rqnext; int i;

d->flags &= ~DEVFL_UP; @@ -223,6 +224,13 @@ aoedev_downdev(struct aoedev *d) /* clean out the in-process request (if any) */ aoe_failip(d);

+ /* clean out any queued block requests */ + list_for_each_entry_safe(rq, rqnext, &d->rq_list, queuelist) { + list_del_init(&rq->queuelist); + blk_mq_start_request(rq); + blk_mq_end_request(rq, BLK_STS_IOERR); + } + /* fast fail all pending I/O */ if (d->blkq) { /* UP is cleared, freeze+quiesce to insure all are errored */ diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index e329cdd7156c..9c207f1c19fb 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -800,8 +800,10 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,

error_cleanup_dev: kfree(mc_dev->regions); - kfree(mc_bus); - kfree(mc_dev); + if (mc_bus) + kfree(mc_bus); + else + kfree(mc_dev);

return error; } diff --git a/drivers/bus/fsl-mc/mc-io.c b/drivers/bus/fsl-mc/mc-io.c index 305015486b91..ca8e2aec6ce2 100644 --- a/drivers/bus/fsl-mc/mc-io.c +++ b/drivers/bus/fsl-mc/mc-io.c @@ -214,12 +214,19 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev, if (error < 0) goto error_cleanup_resource;

- dpmcp_dev->consumer_link = device_link_add(&mc_dev->dev, - &dpmcp_dev->dev, - DL_FLAG_AUTOREMOVE_CONSUMER); - if (!dpmcp_dev->consumer_link) { - error = -EINVAL; - goto error_cleanup_mc_io; + /* If the DPRC device itself tries to allocate a portal (usually for + * UAPI interaction), don't add a device link between them since the + * DPMCP device is an actual child device of the DPRC and a reverse + * dependency is not allowed. + */ + if (mc_dev != mc_bus_dev) { + dpmcp_dev->consumer_link = device_link_add(&mc_dev->dev, + &dpmcp_dev->dev, + DL_FLAG_AUTOREMOVE_CONSUMER); + if (!dpmcp_dev->consumer_link) { + error = -EINVAL; + goto error_cleanup_mc_io; + } }

*new_mc_io = mc_io; diff --git a/drivers/bus/fsl-mc/mc-sys.c b/drivers/bus/fsl-mc/mc-sys.c index 85a0225db522..14d77dc618cc 100644 --- a/drivers/bus/fsl-mc/mc-sys.c +++ b/drivers/bus/fsl-mc/mc-sys.c @@ -19,7 +19,7 @@ /** * Timeout in milliseconds to wait for the completion of an MC command */ -#define MC_CMD_COMPLETION_TIMEOUT_MS 500 +#define MC_CMD_COMPLETION_TIMEOUT_MS 15000

/* * usleep_range() min and max values used to throttle down polling diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c index fe8ecd6eaa4d..19300745ceaa 100644 --- a/drivers/bus/mhi/host/pm.c +++ b/drivers/bus/mhi/host/pm.c @@ -454,6 +454,7 @@ static void mhi_pm_disable_transition(struct mhi_controller *mhi_cntrl, struct mhi_cmd *mhi_cmd; struct mhi_event_ctxt *er_ctxt; struct device *dev = &mhi_cntrl->mhi_dev->dev; + bool reset_device = false; int ret, i;

dev_dbg(dev, "Transitioning from PM state: %s to: %s\n", @@ -485,8 +486,23 @@ static void mhi_pm_disable_transition(struct mhi_controller *mhi_cntrl, return; }

- /* Trigger MHI RESET so that the device will not access host memory */ if (MHI_REG_ACCESS_VALID(prev_state)) { + /* + * If the device is in PBL or SBL, it will only respond to + * RESET if the device is in SYSERR state. SYSERR might + * already be cleared at this point. + */ + enum mhi_state cur_state = mhi_get_mhi_state(mhi_cntrl); + enum mhi_ee_type cur_ee = mhi_get_exec_env(mhi_cntrl); + + if (cur_state == MHI_STATE_SYS_ERR) + reset_device = true; + else if (cur_ee != MHI_EE_PBL && cur_ee != MHI_EE_SBL) + reset_device = true; + } + + /* Trigger MHI RESET so that the device will not access host memory */ + if (reset_device) { u32 in_reset = -1; unsigned long timeout = msecs_to_jiffies(mhi_cntrl->timeout_ms);

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index b1aa793b9eed..ed38c25fb0c5 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -687,51 +687,6 @@ static int sysc_parse_and_check_child_range(struct sysc *ddata) return 0; }

-/* Interconnect instances to probe before l4_per instances */ -static struct resource early_bus_ranges[] = { - /* am3/4 l4_wkup */ - { .start = 0x44c00000, .end = 0x44c00000 + 0x300000, }, - /* omap4/5 and dra7 l4_cfg */ - { .start = 0x4a000000, .end = 0x4a000000 + 0x300000, }, - /* omap4 l4_wkup */ - { .start = 0x4a300000, .end = 0x4a300000 + 0x30000, }, - /* omap5 and dra7 l4_wkup without dra7 dcan segment */ - { .start = 0x4ae00000, .end = 0x4ae00000 + 0x30000, }, -}; - -static atomic_t sysc_defer = ATOMIC_INIT(10); - -/** - * sysc_defer_non_critical - defer non_critical interconnect probing - * @ddata: device driver data - * - * We want to probe l4_cfg and l4_wkup interconnect instances before any - * l4_per instances as l4_per instances depend on resources on l4_cfg and - * l4_wkup interconnects. - */ -static int sysc_defer_non_critical(struct sysc *ddata) -{ - struct resource *res; - int i; - - if (!atomic_read(&sysc_defer)) - return 0; - - for (i = 0; i < ARRAY_SIZE(early_bus_ranges); i++) { - res = &early_bus_ranges[i]; - if (ddata->module_pa >= res->start && - ddata->module_pa <= res->end) { - atomic_set(&sysc_defer, 0); - - return 0; - } - } - - atomic_dec_if_positive(&sysc_defer); - - return -EPROBE_DEFER; -} - static struct device_node *stdout_path;

static void sysc_init_stdout_path(struct sysc *ddata) @@ -956,10 +911,6 @@ static int sysc_map_and_check_registers(struct sysc *ddata) if (error) return error;

- error = sysc_defer_non_critical(ddata); - if (error) - return error; - sysc_check_children(ddata);

error = sysc_parse_registers(ddata); diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index 969227e2df21..f6e7ff6e9d7c 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -199,6 +199,8 @@ static struct clk_hw *raspberrypi_clk_register(struct raspberrypi_clk *rpi, init.name = devm_kasprintf(rpi->dev, GFP_KERNEL, "fw-clk-%s", rpi_firmware_clk_names[id]); + if (!init.name) + return ERR_PTR(-ENOMEM); init.ops = &raspberrypi_firmware_clk_ops; init.flags = CLK_GET_RATE_NOCACHE;

diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index 3280b7410a13..d6b42cd9c913 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -3906,6 +3906,7 @@ static const struct clk_parent_data spicc_sclk_parent_data[] = { { .hw = &g12a_clk81.hw }, { .hw = &g12a_fclk_div4.hw }, { .hw = &g12a_fclk_div3.hw }, + { .hw = &g12a_fclk_div2.hw }, { .hw = &g12a_fclk_div5.hw }, { .hw = &g12a_fclk_div7.hw }, }; diff --git a/drivers/clk/qcom/gcc-msm8939.c b/drivers/clk/qcom/gcc-msm8939.c index 39ebb443ae3d..a51f5c25782f 100644 --- a/drivers/clk/qcom/gcc-msm8939.c +++ b/drivers/clk/qcom/gcc-msm8939.c @@ -433,7 +433,7 @@ static const struct parent_map gcc_xo_gpll0_gpll1a_gpll6_sleep_map[] = { { P_XO, 0 }, { P_GPLL0, 1 }, { P_GPLL1_AUX, 2 }, - { P_GPLL6, 2 }, + { P_GPLL6, 3 }, { P_SLEEP_CLK, 6 }, };

@@ -1075,7 +1075,7 @@ static struct clk_rcg2 jpeg0_clk_src = { };

static const struct freq_tbl ftbl_gcc_camss_mclk0_1_clk[] = { - F(24000000, P_GPLL0, 1, 1, 45), + F(24000000, P_GPLL6, 1, 1, 45), F(66670000, P_GPLL0, 12, 0, 0), { } }; diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 6a46f85ad837..4a8c72d99573 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -429,6 +429,7 @@ static const char *const rk3036_critical_clocks[] __initconst = { "hclk_peri", "pclk_peri", "pclk_ddrupctl", + "ddrphy", };

static void __init rk3036_clk_init(struct device_node *np) diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 4109dda5e36d..0f74c5e5ed0f 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -657,7 +657,7 @@ static u64 get_max_boost_ratio(unsigned int cpu, u64 *nominal_freq) nominal_perf = perf_caps.nominal_perf;

if (nominal_freq) - *nominal_freq = perf_caps.nominal_freq; + *nominal_freq = perf_caps.nominal_freq * 1000;

if (!highest_perf || !nominal_perf) { pr_debug("CPU%d: highest or nominal performance missing\n", cpu); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index d13139497da4..6294e10657b4 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2637,8 +2637,10 @@ int cpufreq_boost_trigger_state(int state) unsigned long flags; int ret = 0;

- if (cpufreq_driver->boost_enabled == state) - return 0; + /* + * Don't compare 'cpufreq_driver->boost_enabled' with 'state' here to + * make sure all policies are in sync with global boost flag. + */

write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver->boost_enabled = state; diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h index 558027516aed..0cacbd51b480 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h @@ -295,8 +295,8 @@ struct sun8i_ce_hash_tfm_ctx { * @flow: the flow to use for this request */ struct sun8i_ce_hash_reqctx { - struct ahash_request fallback_req; int flow; + struct ahash_request fallback_req; // keep at the end };

/* diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c index 8a94f812e6d2..f8603b931b9b 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c @@ -117,7 +117,7 @@ static int sun8i_ss_setup_ivs(struct skcipher_request *areq)

/* we need to copy all IVs from source in case DMA is bi-directionnal */ while (sg && len) { - if (sg_dma_len(sg) == 0) { + if (sg->length == 0) { sg = sg_next(sg); continue; } diff --git a/drivers/crypto/marvell/cesa/cesa.c b/drivers/crypto/marvell/cesa/cesa.c index 06211858bf2e..967338426959 100644 --- a/drivers/crypto/marvell/cesa/cesa.c +++ b/drivers/crypto/marvell/cesa/cesa.c @@ -94,7 +94,7 @@ static int mv_cesa_std_process(struct mv_cesa_engine *engine, u32 status)

static int mv_cesa_int_process(struct mv_cesa_engine *engine, u32 status) { - if (engine->chain.first && engine->chain.last) + if (engine->chain_hw.first && engine->chain_hw.last) return mv_cesa_tdma_process(engine, status);

return mv_cesa_std_process(engine, status); diff --git a/drivers/crypto/marvell/cesa/cesa.h b/drivers/crypto/marvell/cesa/cesa.h index fa56b45620c7..4051d566359e 100644 --- a/drivers/crypto/marvell/cesa/cesa.h +++ b/drivers/crypto/marvell/cesa/cesa.h @@ -439,8 +439,10 @@ struct mv_cesa_dev { * SRAM * @queue: fifo of the pending crypto requests * @load: engine load counter, useful for load balancing - * @chain: list of the current tdma descriptors being processed - * by this engine. + * @chain_hw: list of the current tdma descriptors being processed + * by the hardware. + * @chain_sw: list of the current tdma descriptors that will be + * submitted to the hardware. * @complete_queue: fifo of the processed requests by the engine * * Structure storing CESA engine information. @@ -459,7 +461,8 @@ struct mv_cesa_engine { struct gen_pool *pool; struct crypto_queue queue; atomic_t load; - struct mv_cesa_tdma_chain chain; + struct mv_cesa_tdma_chain chain_hw; + struct mv_cesa_tdma_chain chain_sw; struct list_head complete_queue; int irq; }; diff --git a/drivers/crypto/marvell/cesa/cipher.c b/drivers/crypto/marvell/cesa/cipher.c index 8dc10f998894..051a661a63ee 100644 --- a/drivers/crypto/marvell/cesa/cipher.c +++ b/drivers/crypto/marvell/cesa/cipher.c @@ -449,6 +449,9 @@ static int mv_cesa_skcipher_queue_req(struct skcipher_request *req, struct mv_cesa_skcipher_req *creq = skcipher_request_ctx(req); struct mv_cesa_engine *engine;

+ if (!req->cryptlen) + return 0; + ret = mv_cesa_skcipher_req_init(req, tmpl); if (ret) return ret; diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index 8441c3198d46..823a8fb114bb 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -639,7 +639,7 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) if (ret) goto err_free_tdma;

- if (iter.src.sg) { + if (iter.base.len > iter.src.op_offset) { /* * Add all the new data, inserting an operation block and * launch command between each full SRAM block-worth of diff --git a/drivers/crypto/marvell/cesa/tdma.c b/drivers/crypto/marvell/cesa/tdma.c index 5d9c48fb72b2..9619c9e886aa 100644 --- a/drivers/crypto/marvell/cesa/tdma.c +++ b/drivers/crypto/marvell/cesa/tdma.c @@ -38,6 +38,15 @@ void mv_cesa_dma_step(struct mv_cesa_req *dreq) { struct mv_cesa_engine *engine = dreq->engine;

+ spin_lock_bh(&engine->lock); + if (engine->chain_sw.first == dreq->chain.first) { + engine->chain_sw.first = NULL; + engine->chain_sw.last = NULL; + } + engine->chain_hw.first = dreq->chain.first; + engine->chain_hw.last = dreq->chain.last; + spin_unlock_bh(&engine->lock); + writel_relaxed(0, engine->regs + CESA_SA_CFG);

mv_cesa_set_int_mask(engine, CESA_SA_INT_ACC0_IDMA_DONE); @@ -96,25 +105,27 @@ void mv_cesa_dma_prepare(struct mv_cesa_req *dreq, void mv_cesa_tdma_chain(struct mv_cesa_engine *engine, struct mv_cesa_req *dreq) { - if (engine->chain.first == NULL && engine->chain.last == NULL) { - engine->chain.first = dreq->chain.first; - engine->chain.last = dreq->chain.last; - } else { - struct mv_cesa_tdma_desc *last; + struct mv_cesa_tdma_desc *last = engine->chain_sw.last;

- last = engine->chain.last; + /* + * Break the DMA chain if the request being queued needs the IV + * regs to be set before lauching the request. + */ + if (!last || dreq->chain.first->flags & CESA_TDMA_SET_STATE) + engine->chain_sw.first = dreq->chain.first; + else { last->next = dreq->chain.first; - engine->chain.last = dreq->chain.last; - - /* - * Break the DMA chain if the CESA_TDMA_BREAK_CHAIN is set on - * the last element of the current chain, or if the request - * being queued needs the IV regs to be set before lauching - * the request. - */ - if (!(last->flags & CESA_TDMA_BREAK_CHAIN) && - !(dreq->chain.first->flags & CESA_TDMA_SET_STATE)) - last->next_dma = cpu_to_le32(dreq->chain.first->cur_dma); + last->next_dma = cpu_to_le32(dreq->chain.first->cur_dma); + } + last = dreq->chain.last; + engine->chain_sw.last = last; + /* + * Break the DMA chain if the CESA_TDMA_BREAK_CHAIN is set on + * the last element of the current chain. + */ + if (last->flags & CESA_TDMA_BREAK_CHAIN) { + engine->chain_sw.first = NULL; + engine->chain_sw.last = NULL; } }

@@ -127,7 +138,7 @@ int mv_cesa_tdma_process(struct mv_cesa_engine *engine, u32 status)

tdma_cur = readl(engine->regs + CESA_TDMA_CUR);

- for (tdma = engine->chain.first; tdma; tdma = next) { + for (tdma = engine->chain_hw.first; tdma; tdma = next) { spin_lock_bh(&engine->lock); next = tdma->next; spin_unlock_bh(&engine->lock); @@ -149,12 +160,12 @@ int mv_cesa_tdma_process(struct mv_cesa_engine *engine, u32 status) &backlog);

/* Re-chaining to the next request */ - engine->chain.first = tdma->next; + engine->chain_hw.first = tdma->next; tdma->next = NULL;

/* If this is the last request, clear the chain */ - if (engine->chain.first == NULL) - engine->chain.last = NULL; + if (engine->chain_hw.first == NULL) + engine->chain_hw.last = NULL; spin_unlock_bh(&engine->lock);

ctx = crypto_tfm_ctx(req->tfm); diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index 597a92438afc..4264d88a5e6b 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -127,8 +127,7 @@ static int begin_cpu_udmabuf(struct dma_buf *buf, ubuf->sg = NULL; } } else { - dma_sync_sg_for_cpu(dev, ubuf->sg->sgl, ubuf->sg->nents, - direction); + dma_sync_sgtable_for_cpu(dev, ubuf->sg, direction); }

return ret; @@ -143,7 +142,7 @@ static int end_cpu_udmabuf(struct dma_buf *buf, if (!ubuf->sg) return -EINVAL;

- dma_sync_sg_for_device(dev, ubuf->sg->sgl, ubuf->sg->nents, direction); + dma_sync_sgtable_for_device(dev, ubuf->sg, direction); return 0; }

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 1f01bd483c6b..cade321095d2 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -3672,7 +3672,8 @@ static int udma_probe(struct platform_device *pdev) uc->config.dir = DMA_MEM_TO_MEM; uc->name = devm_kasprintf(dev, GFP_KERNEL, "%s chan%d", dev_name(dev), i); - + if (!uc->name) + return -ENOMEM; vchan_init(&uc->vc, &ud->ddev); /* Use custom vchan completion handling */ tasklet_setup(&uc->vc.task, udma_vchan_complete); diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 99aaada3a2d9..61de8b1ed75e 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -1704,9 +1704,9 @@ static ssize_t altr_edac_a10_device_trig(struct file *file,

local_irq_save(flags); if (trig_type == ALTR_UE_TRIGGER_CHAR) - writel(priv->ue_set_mask, set_addr); + writew(priv->ue_set_mask, set_addr); else - writel(priv->ce_set_mask, set_addr); + writew(priv->ce_set_mask, set_addr);

/* Ensure the interrupt test bits are set */ wmb(); @@ -1736,7 +1736,7 @@ static ssize_t altr_edac_a10_device_trig2(struct file *file,

local_irq_save(flags); if (trig_type == ALTR_UE_TRIGGER_CHAR) { - writel(priv->ue_set_mask, set_addr); + writew(priv->ue_set_mask, set_addr); } else { /* Setup read/write of 4 bytes */ writel(ECC_WORD_WRITE, drvdata->base + ECC_BLK_DBYTECTRL_OFST); diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index b585cbe3eff9..1c408e665f7c 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -112,6 +112,7 @@ EXPORT_SYMBOL_GPL(skx_adxl_get);

void skx_adxl_put(void) { + adxl_component_count = 0; kfree(adxl_values); kfree(adxl_msg); } diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index a83101310e34..67023e184bb1 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -72,7 +72,6 @@ config ARM_SCPI_POWER_DOMAIN config ARM_SDE_INTERFACE bool "ARM Software Delegated Exception Interface (SDEI)" depends on ARM64 - depends on ACPI_APEI_GHES help The Software Delegated Exception Interface (SDEI) is an ARM standard for registering callbacks from the platform firmware diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index b160851c524c..0fbf12df19d0 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -1063,13 +1063,12 @@ static bool __init sdei_present_acpi(void) return true; }

-void __init sdei_init(void) +void __init acpi_sdei_init(void) { struct platform_device *pdev; int ret;

- ret = platform_driver_register(&sdei_driver); - if (ret || !sdei_present_acpi()) + if (!sdei_present_acpi()) return;

pdev = platform_device_register_simple(sdei_driver.driver.name, @@ -1082,6 +1081,12 @@ void __init sdei_init(void) } }

+static int __init sdei_init(void) +{ + return platform_driver_register(&sdei_driver); +} +arch_initcall(sdei_init); + int sdei_event_handler(struct pt_regs *regs, struct sdei_registered_event *arg) { diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 00af99b6f97c..2c435a8d3548 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -571,8 +571,10 @@ int __init psci_dt_init(void)

np = of_find_matching_node_and_match(NULL, psci_of_match, &matched_np);

- if (!np || !of_device_is_available(np)) + if (!np || !of_device_is_available(np)) { + of_node_put(np); return -ENODEV; + }

init_fn = (psci_initcall_t)matched_np->data; ret = init_fn(np); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 72410a2d4e6b..567183a69660 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -4002,8 +4002,6 @@ static void gfx_v10_0_get_csb_buffer(struct amdgpu_device *adev, PACKET3_SET_CONTEXT_REG_START); for (i = 0; i < ext->reg_count; i++) buffer[count++] = cpu_to_le32(ext->extent[i]); - } else { - return; } } } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 79c52c7a02e3..d447b2416b98 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -2896,8 +2896,6 @@ static void gfx_v6_0_get_csb_buffer(struct amdgpu_device *adev, buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000); for (i = 0; i < ext->reg_count; i++) buffer[count++] = cpu_to_le32(ext->extent[i]); - } else { - return; } } } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 04eaf3a8fddb..d6f3d3cfc19f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -4000,8 +4000,6 @@ static void gfx_v7_0_get_csb_buffer(struct amdgpu_device *adev, buffer[count++] = cpu_to_le32(ext->reg_index - PACKET3_SET_CONTEXT_REG_START); for (i = 0; i < ext->reg_count; i++) buffer[count++] = cpu_to_le32(ext->extent[i]); - } else { - return; } } } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index c36258d56b44..0459e7b71945 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1268,8 +1268,6 @@ static void gfx_v8_0_get_csb_buffer(struct amdgpu_device *adev, PACKET3_SET_CONTEXT_REG_START); for (i = 0; i < ext->reg_count; i++) buffer[count++] = cpu_to_le32(ext->extent[i]); - } else { - return; } } } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 432c24f3c798..5bd1fcd02396 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1741,8 +1741,6 @@ static void gfx_v9_0_get_csb_buffer(struct amdgpu_device *adev, PACKET3_SET_CONTEXT_REG_START); for (i = 0; i < ext->reg_count; i++) buffer[count++] = cpu_to_le32(ext->extent[i]); - } else { - return; } } } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index dadeb2013fd9..dc468dfce391 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -396,6 +396,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, m->sdma_engine_id = q->sdma_engine_id; m->sdma_queue_id = q->sdma_queue_id; m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT; + /* Allow context switch so we don't cross-process starve with a massive + * command buffer of long-running SDMA commands + */ + m->sdmax_rlcx_ib_cntl |= SDMA0_GFX_IB_CNTL__SWITCH_INSIDE_IB_MASK;

q->is_active = QUEUE_IS_ACTIVE(*q); } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 260133562db5..45420968e5f1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8098,16 +8098,20 @@ static int dm_force_atomic_commit(struct drm_connector *connector) */ conn_state = drm_atomic_get_connector_state(state, connector);

- ret = PTR_ERR_OR_ZERO(conn_state); - if (ret) + /* Check for error in getting connector state */ + if (IS_ERR(conn_state)) { + ret = PTR_ERR(conn_state); goto out; + }

/* Attach crtc to drm_atomic_state*/ crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);

- ret = PTR_ERR_OR_ZERO(crtc_state); - if (ret) + /* Check for error in getting crtc state */ + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); goto out; + }

/* force a restore */ crtc_state->mode_changed = true; @@ -8115,9 +8119,11 @@ static int dm_force_atomic_commit(struct drm_connector *connector) /* Attach plane to drm_atomic_state */ plane_state = drm_atomic_get_plane_state(state, plane);

- ret = PTR_ERR_OR_ZERO(plane_state); - if (ret) + /* Check for error in getting plane state */ + if (IS_ERR(plane_state)) { + ret = PTR_ERR(plane_state); goto out; + }

/* Call commit internally with the state we just constructed */ ret = drm_atomic_commit(state); diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile index 5fcaf78334ff..54db9af8437d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile @@ -10,7 +10,7 @@ DCN20 = dcn20_resource.o dcn20_init.o dcn20_hwseq.o dcn20_dpp.o dcn20_dpp_cm.o d DCN20 += dcn20_dsc.o

ifdef CONFIG_X86 -CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := $(if $(CONFIG_CC_IS_GCC), -mhard-float) -msse endif

ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile index 07684d3e375a..90eefd2c3ecf 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile @@ -6,7 +6,7 @@ DCN21 = dcn21_init.o dcn21_hubp.o dcn21_hubbub.o dcn21_resource.o \ dcn21_hwseq.o dcn21_link_encoder.o

ifdef CONFIG_X86 -CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := $(if $(CONFIG_CC_IS_GCC), -mhard-float) -msse endif

ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile index 417331438c30..ce8251151b45 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -26,7 +26,8 @@ # subcomponents.

ifdef CONFIG_X86 -dml_ccflags := -mhard-float -msse +dml_ccflags-$(CONFIG_CC_IS_GCC) := -mhard-float +dml_ccflags := $(dml_ccflags-y) -msse endif

ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index e8baa07450b7..3d8f08d89561 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1778,10 +1778,10 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) * that we can get the current state of the GPIO. */ dp->irq = gpiod_to_irq(dp->hpd_gpiod); - irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; + irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN; } else { dp->irq = platform_get_irq(pdev, 0); - irq_flags = 0; + irq_flags = IRQF_NO_AUTOEN; }

if (dp->irq == -ENXIO) { @@ -1798,7 +1798,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) dev_err(&pdev->dev, "failed to request irq\n"); goto err_disable_clk; } - disable_irq(dp->irq);

return dp;

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c index ccd44d0418f8..8bcf87726ec6 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c @@ -102,7 +102,7 @@ static int a6xx_hfi_wait_for_ack(struct a6xx_gmu *gmu, u32 id, u32 seqnum,

/* Wait for a response */ ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_GMU2HOST_INTR_INFO, val, - val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 5000); + val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 1000000);

if (ret) { DRM_DEV_ERROR(gmu->dev, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c index 33880f66625e..f9da37999946 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c @@ -353,7 +353,8 @@ static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx) static bool dpu_encoder_phys_vid_needs_single_flush( struct dpu_encoder_phys *phys_enc) { - return phys_enc->split_role != ENC_ROLE_SOLO; + return !(phys_enc->hw_ctl->caps->features & BIT(DPU_CTL_ACTIVE_CFG)) && + phys_enc->split_role != ENC_ROLE_SOLO; }

static void _dpu_encoder_phys_vid_setup_irq_hw_idx( diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c b/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c index de182c004843..9c78c6c528be 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_i2c.c @@ -107,11 +107,15 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c, if (num == 0) return num;

+ ret = pm_runtime_resume_and_get(&hdmi->pdev->dev); + if (ret) + return ret; + init_ddc(hdmi_i2c);

ret = ddc_clear_irq(hdmi_i2c); if (ret) - return ret; + goto fail;

for (i = 0; i < num; i++) { struct i2c_msg *p = &msgs[i]; @@ -169,7 +173,7 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c, hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS), hdmi_read(hdmi, REG_HDMI_DDC_HW_STATUS), hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL)); - return ret; + goto fail; }

ddc_status = hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS); @@ -202,7 +206,13 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c, } }

+ pm_runtime_put(&hdmi->pdev->dev); + return i; + +fail: + pm_runtime_put(&hdmi->pdev->dev); + return ret; }

static u32 msm_hdmi_i2c_func(struct i2c_adapter *adapter) diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index f2f3280c3a50..171cc170c458 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -40,7 +40,7 @@ #include "nouveau_connector.h"

static struct ida bl_ida; -#define BL_NAME_SIZE 15 // 12 for name + 2 for digits + 1 for '\0' +#define BL_NAME_SIZE 24 // 12 for name + 11 for digits + 1 for '\0'

struct nouveau_backlight { struct backlight_device *dev; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 7015e22872bb..41b4a6715dad 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -626,7 +626,7 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) ret = of_parse_phandle_with_fixed_args(np, vsps_prop_name, cells, i, &args); if (ret < 0) - goto error; + goto done;

/* * Add the VSP to the list or update the corresponding existing @@ -664,13 +664,11 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) vsp->dev = rcdu;

ret = rcar_du_vsp_init(vsp, vsps[i].np, vsps[i].crtcs_mask); - if (ret < 0) - goto error; + if (ret) + goto done; }

- return 0; - -error: +done: for (i = 0; i < ARRAY_SIZE(vsps); ++i) of_node_put(vsps[i].np);

diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 4142a56ca764..a3052f645c47 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -170,6 +170,11 @@ static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = { .atomic_check = tegra_rgb_encoder_atomic_check, };

+static void tegra_dc_of_node_put(void *data) +{ + of_node_put(data); +} + int tegra_dc_rgb_probe(struct tegra_dc *dc) { struct device_node *np; @@ -177,7 +182,14 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) int err;

np = of_get_child_by_name(dc->dev->of_node, "rgb"); - if (!np || !of_device_is_available(np)) + if (!np) + return -ENODEV; + + err = devm_add_action_or_reset(dc->dev, tegra_dc_of_node_put, np); + if (err < 0) + return err; + + if (!of_device_is_available(np)) return -ENODEV;

rgb = devm_kzalloc(dc->dev, sizeof(*rgb), GFP_KERNEL); diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 1ae5cd47d954..2225e764e709 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -194,7 +194,7 @@ static int vkms_crtc_atomic_check(struct drm_crtc *crtc, i++; }

- vkms_state->active_planes = kcalloc(i, sizeof(plane), GFP_KERNEL); + vkms_state->active_planes = kcalloc(i, sizeof(*vkms_state->active_planes), GFP_KERNEL); if (!vkms_state->active_planes) return -ENOMEM; vkms_state->num_active_planes = i; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 616f6cb62278..987633c6c49f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -4027,6 +4027,23 @@ static int vmw_execbuf_tie_context(struct vmw_private *dev_priv, return 0; }

+/* + * DMA fence callback to remove a seqno_waiter + */ +struct seqno_waiter_rm_context { + struct dma_fence_cb base; + struct vmw_private *dev_priv; +}; + +static void seqno_waiter_rm_cb(struct dma_fence *f, struct dma_fence_cb *cb) +{ + struct seqno_waiter_rm_context *ctx = + container_of(cb, struct seqno_waiter_rm_context, base); + + vmw_seqno_waiter_remove(ctx->dev_priv); + kfree(ctx); +} + int vmw_execbuf_process(struct drm_file *file_priv, struct vmw_private *dev_priv, void __user *user_commands, void *kernel_commands, @@ -4220,6 +4237,15 @@ int vmw_execbuf_process(struct drm_file *file_priv, } else { /* Link the fence with the FD created earlier */ fd_install(out_fence_fd, sync_file->file); + struct seqno_waiter_rm_context *ctx = + kmalloc(sizeof(*ctx), GFP_KERNEL); + ctx->dev_priv = dev_priv; + vmw_seqno_waiter_add(dev_priv); + if (dma_fence_add_callback(&fence->base, &ctx->base, + seqno_waiter_rm_cb) < 0) { + vmw_seqno_waiter_remove(dev_priv); + kfree(ctx); + } } }

diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index b7704dd6809d..bf77cfb723d5 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -199,7 +199,8 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device, if (!input_device->hid_desc) goto cleanup;

- input_device->report_desc_size = desc->desc[0].wDescriptorLength; + input_device->report_desc_size = le16_to_cpu( + desc->rpt_desc.wDescriptorLength); if (input_device->report_desc_size == 0) { input_device->dev_info_status = -EINVAL; goto cleanup; @@ -217,7 +218,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,

memcpy(input_device->report_desc, ((unsigned char *)desc) + desc->bLength, - desc->desc[0].wDescriptorLength); + le16_to_cpu(desc->rpt_desc.wDescriptorLength));

/* Send the ack */ memset(&ack, 0, sizeof(struct mousevsc_prt_msg)); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 009a0469d54f..c3b104c72e49 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -984,12 +984,11 @@ static int usbhid_parse(struct hid_device *hid) struct usb_host_interface *interface = intf->cur_altsetting; struct usb_device *dev = interface_to_usbdev (intf); struct hid_descriptor *hdesc; + struct hid_class_descriptor *hcdesc; u32 quirks = 0; unsigned int rsize = 0; char *rdesc; - int ret, n; - int num_descriptors; - size_t offset = offsetof(struct hid_descriptor, desc); + int ret;

quirks = hid_lookup_quirk(hid);

@@ -1011,20 +1010,19 @@ static int usbhid_parse(struct hid_device *hid) return -ENODEV; }

- if (hdesc->bLength < sizeof(struct hid_descriptor)) { - dbg_hid("hid descriptor is too short\n"); + if (!hdesc->bNumDescriptors || + hdesc->bLength != sizeof(*hdesc) + + (hdesc->bNumDescriptors - 1) * sizeof(*hcdesc)) { + dbg_hid("hid descriptor invalid, bLen=%hhu bNum=%hhu\n", + hdesc->bLength, hdesc->bNumDescriptors); return -EINVAL; }

hid->version = le16_to_cpu(hdesc->bcdHID); hid->country = hdesc->bCountryCode;

- num_descriptors = min_t(int, hdesc->bNumDescriptors, - (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor)); - - for (n = 0; n < num_descriptors; n++) - if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT) - rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); + if (hdesc->rpt_desc.bDescriptorType == HID_DT_REPORT) + rsize = le16_to_cpu(hdesc->rpt_desc.wDescriptorLength);

if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { dbg_hid("weird size of report descriptor (%u)\n", rsize); @@ -1052,6 +1050,11 @@ static int usbhid_parse(struct hid_device *hid) goto err; }

+ if (hdesc->bNumDescriptors > 1) + hid_warn(intf, + "%u unsupported optional hid class descriptors\n", + (int)(hdesc->bNumDescriptors - 1)); + hid->quirks |= quirks;

return 0; diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index d052502dc2c0..18f1b57431ff 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -41,6 +41,14 @@ struct temp_sensor_2 { u8 value; } __packed;

+struct temp_sensor_10 { + u32 sensor_id; + u8 fru_type; + u8 value; + u8 throttle; + u8 reserved; +} __packed; + struct freq_sensor_1 { u16 sensor_id; u16 value; @@ -307,6 +315,53 @@ static ssize_t occ_show_temp_2(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%u\n", val); }

+static ssize_t occ_show_temp_10(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int rc; + u32 val = 0; + struct temp_sensor_10 *temp; + struct occ *occ = dev_get_drvdata(dev); + struct occ_sensors *sensors = &occ->sensors; + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + + rc = occ_update_response(occ); + if (rc) + return rc; + + temp = ((struct temp_sensor_10 *)sensors->temp.data) + sattr->index; + + switch (sattr->nr) { + case 0: + val = get_unaligned_be32(&temp->sensor_id); + break; + case 1: + val = temp->value; + if (val == OCC_TEMP_SENSOR_FAULT) + return -EREMOTEIO; + + /* sensor not ready */ + if (val == 0) + return -EAGAIN; + + val *= 1000; + break; + case 2: + val = temp->fru_type; + break; + case 3: + val = temp->value == OCC_TEMP_SENSOR_FAULT; + break; + case 4: + val = temp->throttle * 1000; + break; + default: + return -EINVAL; + } + + return snprintf(buf, PAGE_SIZE - 1, "%u\n", val); +} + static ssize_t occ_show_freq_1(struct device *dev, struct device_attribute *attr, char *buf) { @@ -406,12 +461,10 @@ static ssize_t occ_show_power_1(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%llu\n", val); }

-static u64 occ_get_powr_avg(u64 *accum, u32 *samples) +static u64 occ_get_powr_avg(u64 accum, u32 samples) { - u64 divisor = get_unaligned_be32(samples); - - return (divisor == 0) ? 0 : - div64_u64(get_unaligned_be64(accum) * 1000000ULL, divisor); + return (samples == 0) ? 0 : + mul_u64_u32_div(accum, 1000000UL, samples); }

static ssize_t occ_show_power_2(struct device *dev, @@ -436,8 +489,8 @@ static ssize_t occ_show_power_2(struct device *dev, get_unaligned_be32(&power->sensor_id), power->function_id, power->apss_channel); case 1: - val = occ_get_powr_avg(&power->accumulator, - &power->update_tag); + val = occ_get_powr_avg(get_unaligned_be64(&power->accumulator), + get_unaligned_be32(&power->update_tag)); break; case 2: val = (u64)get_unaligned_be32(&power->update_tag) * @@ -474,8 +527,8 @@ static ssize_t occ_show_power_a0(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%u_system\n", get_unaligned_be32(&power->sensor_id)); case 1: - val = occ_get_powr_avg(&power->system.accumulator, - &power->system.update_tag); + val = occ_get_powr_avg(get_unaligned_be64(&power->system.accumulator), + get_unaligned_be32(&power->system.update_tag)); break; case 2: val = (u64)get_unaligned_be32(&power->system.update_tag) * @@ -488,8 +541,8 @@ static ssize_t occ_show_power_a0(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%u_proc\n", get_unaligned_be32(&power->sensor_id)); case 5: - val = occ_get_powr_avg(&power->proc.accumulator, - &power->proc.update_tag); + val = occ_get_powr_avg(get_unaligned_be64(&power->proc.accumulator), + get_unaligned_be32(&power->proc.update_tag)); break; case 6: val = (u64)get_unaligned_be32(&power->proc.update_tag) * @@ -502,8 +555,8 @@ static ssize_t occ_show_power_a0(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%u_vdd\n", get_unaligned_be32(&power->sensor_id)); case 9: - val = occ_get_powr_avg(&power->vdd.accumulator, - &power->vdd.update_tag); + val = occ_get_powr_avg(get_unaligned_be64(&power->vdd.accumulator), + get_unaligned_be32(&power->vdd.update_tag)); break; case 10: val = (u64)get_unaligned_be32(&power->vdd.update_tag) * @@ -516,8 +569,8 @@ static ssize_t occ_show_power_a0(struct device *dev, return snprintf(buf, PAGE_SIZE - 1, "%u_vdn\n", get_unaligned_be32(&power->sensor_id)); case 13: - val = occ_get_powr_avg(&power->vdn.accumulator, - &power->vdn.update_tag); + val = occ_get_powr_avg(get_unaligned_be64(&power->vdn.accumulator), + get_unaligned_be32(&power->vdn.update_tag)); break; case 14: val = (u64)get_unaligned_be32(&power->vdn.update_tag) * @@ -623,6 +676,9 @@ static ssize_t occ_show_caps_3(struct device *dev, case 7: val = caps->user_source; break; + case 8: + val = get_unaligned_be16(&caps->soft_min) * 1000000ULL; + break; default: return -EINVAL; } @@ -694,29 +750,30 @@ static ssize_t occ_show_extended(struct device *dev, }

/* - * Some helper macros to make it easier to define an occ_attribute. Since these - * are dynamically allocated, we shouldn't use the existing kernel macros which + * A helper to make it easier to define an occ_attribute. Since these + * are dynamically allocated, we cannot use the existing kernel macros which * stringify the name argument. */ -#define ATTR_OCC(_name, _mode, _show, _store) { \ - .attr = { \ - .name = _name, \ - .mode = VERIFY_OCTAL_PERMISSIONS(_mode), \ - }, \ - .show = _show, \ - .store = _store, \ -} - -#define SENSOR_ATTR_OCC(_name, _mode, _show, _store, _nr, _index) { \ - .dev_attr = ATTR_OCC(_name, _mode, _show, _store), \ - .index = _index, \ - .nr = _nr, \ +static void occ_init_attribute(struct occ_attribute *attr, int mode, + ssize_t (*show)(struct device *dev, struct device_attribute *attr, char *buf), + ssize_t (*store)(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count), + int nr, int index, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vsnprintf(attr->name, sizeof(attr->name), fmt, args); + va_end(args); + + attr->sensor.dev_attr.attr.name = attr->name; + attr->sensor.dev_attr.attr.mode = mode; + attr->sensor.dev_attr.show = show; + attr->sensor.dev_attr.store = store; + attr->sensor.index = index; + attr->sensor.nr = nr; }

-#define OCC_INIT_ATTR(_name, _mode, _show, _store, _nr, _index) \ - ((struct sensor_device_attribute_2) \ - SENSOR_ATTR_OCC(_name, _mode, _show, _store, _nr, _index)) - /* * Allocate and instatiate sensor_device_attribute_2s. It's most efficient to * use our own instead of the built-in hwmon attribute types. @@ -745,6 +802,10 @@ static int occ_setup_sensor_attrs(struct occ *occ) num_attrs += (sensors->temp.num_sensors * 4); show_temp = occ_show_temp_2; break; + case 0x10: + num_attrs += (sensors->temp.num_sensors * 5); + show_temp = occ_show_temp_10; + break; default: sensors->temp.num_sensors = 0; } @@ -779,12 +840,13 @@ static int occ_setup_sensor_attrs(struct occ *occ) case 1: num_attrs += (sensors->caps.num_sensors * 7); break; - case 3: - show_caps = occ_show_caps_3; - fallthrough; case 2: num_attrs += (sensors->caps.num_sensors * 8); break; + case 3: + show_caps = occ_show_caps_3; + num_attrs += (sensors->caps.num_sensors * 9); + break; default: sensors->caps.num_sensors = 0; } @@ -797,14 +859,15 @@ static int occ_setup_sensor_attrs(struct occ *occ) sensors->extended.num_sensors = 0; }

- occ->attrs = devm_kzalloc(dev, sizeof(*occ->attrs) * num_attrs, + occ->attrs = devm_kcalloc(dev, num_attrs, sizeof(*occ->attrs), GFP_KERNEL); if (!occ->attrs) return -ENOMEM;

/* null-terminated list */ - occ->group.attrs = devm_kzalloc(dev, sizeof(*occ->group.attrs) * - num_attrs + 1, GFP_KERNEL); + occ->group.attrs = devm_kcalloc(dev, num_attrs + 1, + sizeof(*occ->group.attrs), + GFP_KERNEL); if (!occ->group.attrs) return -ENOMEM;

@@ -814,50 +877,47 @@ static int occ_setup_sensor_attrs(struct occ *occ) s = i + 1; temp = ((struct temp_sensor_2 *)sensors->temp.data) + i;

- snprintf(attr->name, sizeof(attr->name), "temp%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_temp, NULL, - 0, i); + occ_init_attribute(attr, 0444, show_temp, NULL, + 0, i, "temp%d_label", s); attr++;

- if (sensors->temp.version > 1 && + if (sensors->temp.version == 2 && temp->fru_type == OCC_FRU_TYPE_VRM) { - snprintf(attr->name, sizeof(attr->name), - "temp%d_alarm", s); + occ_init_attribute(attr, 0444, show_temp, NULL, + 1, i, "temp%d_alarm", s); } else { - snprintf(attr->name, sizeof(attr->name), - "temp%d_input", s); + occ_init_attribute(attr, 0444, show_temp, NULL, + 1, i, "temp%d_input", s); }

- attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_temp, NULL, - 1, i); attr++;

if (sensors->temp.version > 1) { - snprintf(attr->name, sizeof(attr->name), - "temp%d_fru_type", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_temp, NULL, 2, i); + occ_init_attribute(attr, 0444, show_temp, NULL, + 2, i, "temp%d_fru_type", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "temp%d_fault", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_temp, NULL, 3, i); + occ_init_attribute(attr, 0444, show_temp, NULL, + 3, i, "temp%d_fault", s); attr++; + + if (sensors->temp.version == 0x10) { + occ_init_attribute(attr, 0444, show_temp, NULL, + 4, i, "temp%d_max", s); + attr++; + } } }

for (i = 0; i < sensors->freq.num_sensors; ++i) { s = i + 1;

- snprintf(attr->name, sizeof(attr->name), "freq%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_freq, NULL, - 0, i); + occ_init_attribute(attr, 0444, show_freq, NULL, + 0, i, "freq%d_label", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "freq%d_input", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_freq, NULL, - 1, i); + occ_init_attribute(attr, 0444, show_freq, NULL, + 1, i, "freq%d_input", s); attr++; }

@@ -873,32 +933,24 @@ static int occ_setup_sensor_attrs(struct occ *occ) s = (i * 4) + 1;

for (j = 0; j < 4; ++j) { - snprintf(attr->name, sizeof(attr->name), - "power%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, - nr++, i); + occ_init_attribute(attr, 0444, show_power, + NULL, nr++, i, + "power%d_label", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_average", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, - nr++, i); + occ_init_attribute(attr, 0444, show_power, + NULL, nr++, i, + "power%d_average", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_average_interval", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, - nr++, i); + occ_init_attribute(attr, 0444, show_power, + NULL, nr++, i, + "power%d_average_interval", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_input", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, - nr++, i); + occ_init_attribute(attr, 0444, show_power, + NULL, nr++, i, + "power%d_input", s); attr++;

s++; @@ -910,28 +962,20 @@ static int occ_setup_sensor_attrs(struct occ *occ) for (i = 0; i < sensors->power.num_sensors; ++i) { s = i + 1;

- snprintf(attr->name, sizeof(attr->name), - "power%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, 0, i); + occ_init_attribute(attr, 0444, show_power, NULL, + 0, i, "power%d_label", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_average", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, 1, i); + occ_init_attribute(attr, 0444, show_power, NULL, + 1, i, "power%d_average", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_average_interval", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, 2, i); + occ_init_attribute(attr, 0444, show_power, NULL, + 2, i, "power%d_average_interval", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_input", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_power, NULL, 3, i); + occ_init_attribute(attr, 0444, show_power, NULL, + 3, i, "power%d_input", s); attr++; }

@@ -939,68 +983,61 @@ static int occ_setup_sensor_attrs(struct occ *occ) }

if (sensors->caps.num_sensors >= 1) { - snprintf(attr->name, sizeof(attr->name), "power%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 0, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 0, 0, "power%d_label", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "power%d_cap", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 1, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 1, 0, "power%d_cap", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "power%d_input", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 2, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 2, 0, "power%d_input", s); attr++;

- snprintf(attr->name, sizeof(attr->name), - "power%d_cap_not_redundant", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 3, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 3, 0, "power%d_cap_not_redundant", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "power%d_cap_max", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 4, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 4, 0, "power%d_cap_max", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "power%d_cap_min", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, - 5, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 5, 0, "power%d_cap_min", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "power%d_cap_user", - s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0644, show_caps, - occ_store_caps_user, 6, 0); + occ_init_attribute(attr, 0644, show_caps, occ_store_caps_user, + 6, 0, "power%d_cap_user", s); attr++;

if (sensors->caps.version > 1) { - snprintf(attr->name, sizeof(attr->name), - "power%d_cap_user_source", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - show_caps, NULL, 7, 0); + occ_init_attribute(attr, 0444, show_caps, NULL, + 7, 0, "power%d_cap_user_source", s); attr++; + + if (sensors->caps.version > 2) { + occ_init_attribute(attr, 0444, show_caps, NULL, + 8, 0, + "power%d_cap_min_soft", s); + attr++; + } } }

for (i = 0; i < sensors->extended.num_sensors; ++i) { s = i + 1;

- snprintf(attr->name, sizeof(attr->name), "extn%d_label", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - occ_show_extended, NULL, 0, i); + occ_init_attribute(attr, 0444, occ_show_extended, NULL, + 0, i, "extn%d_label", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "extn%d_flags", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - occ_show_extended, NULL, 1, i); + occ_init_attribute(attr, 0444, occ_show_extended, NULL, + 1, i, "extn%d_flags", s); attr++;

- snprintf(attr->name, sizeof(attr->name), "extn%d_input", s); - attr->sensor = OCC_INIT_ATTR(attr->name, 0444, - occ_show_extended, NULL, 2, i); + occ_init_attribute(attr, 0444, occ_show_extended, NULL, + 2, i, "extn%d_input", s); attr++; }

diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c index 5b54a9b9ed1a..09b8ccc040c6 100644 --- a/drivers/i2c/busses/i2c-designware-slave.c +++ b/drivers/i2c/busses/i2c-designware-slave.c @@ -97,7 +97,7 @@ static int i2c_dw_unreg_slave(struct i2c_client *slave) dev->disable(dev); synchronize_irq(dev->irq); dev->slave = NULL; - pm_runtime_put(dev->dev); + pm_runtime_put_sync_suspend(dev->dev);

return 0; } diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index d97694ac29ca..3f30c3cff720 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -1950,10 +1950,14 @@ static int npcm_i2c_init_module(struct npcm_i2c *bus, enum i2c_mode mode,

/* check HW is OK: SDA and SCL should be high at this point. */ if ((npcm_i2c_get_SDA(&bus->adap) == 0) || (npcm_i2c_get_SCL(&bus->adap) == 0)) { - dev_err(bus->dev, "I2C%d init fail: lines are low\n", bus->num); - dev_err(bus->dev, "SDA=%d SCL=%d\n", npcm_i2c_get_SDA(&bus->adap), - npcm_i2c_get_SCL(&bus->adap)); - return -ENXIO; + dev_warn(bus->dev, " I2C%d SDA=%d SCL=%d, attempting to recover\n", bus->num, + npcm_i2c_get_SDA(&bus->adap), npcm_i2c_get_SCL(&bus->adap)); + if (npcm_i2c_recovery_tgclk(&bus->adap)) { + dev_err(bus->dev, "I2C%d init fail: SDA=%d SCL=%d\n", + bus->num, npcm_i2c_get_SDA(&bus->adap), + npcm_i2c_get_SCL(&bus->adap)); + return -ENXIO; + } }

npcm_i2c_int_enable(bus, true); diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 99d1288e6682..503814fca4dc 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -320,9 +320,9 @@ static int ad7124_get_3db_filter_freq(struct ad7124_state *st,

switch (st->channel_config[channel].filter_type) { case AD7124_SINC3_FILTER: - return DIV_ROUND_CLOSEST(fadc * 230, 1000); + return DIV_ROUND_CLOSEST(fadc * 272, 1000); case AD7124_SINC4_FILTER: - return DIV_ROUND_CLOSEST(fadc * 262, 1000); + return DIV_ROUND_CLOSEST(fadc * 230, 1000); default: return -EINVAL; } diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index e9f4043966ae..0798ac74d972 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -151,7 +151,7 @@ static int ad7606_spi_reg_write(struct ad7606_state *st, struct spi_device *spi = to_spi_device(st->dev);

st->d16[0] = cpu_to_be16((st->bops->rd_wr_cmd(addr, 1) << 8) | - (val & 0x1FF)); + (val & 0xFF));

return spi_write(spi, &st->d16[0], sizeof(st->d16[0])); } diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c index 213cce1c3111..91f0f381082b 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c @@ -67,16 +67,18 @@ int inv_icm42600_temp_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; /* * T°C = (temp / 132.48) + 25 - * Tm°C = 1000 * ((temp * 100 / 13248) + 25) + * Tm°C = 1000 * ((temp / 132.48) + 25) + * Tm°C = 7.548309 * temp + 25000 + * Tm°C = (temp + 3312) * 7.548309 * scale: 100000 / 13248 ~= 7.548309 - * offset: 25000 + * offset: 3312 */ case IIO_CHAN_INFO_SCALE: *val = 7; *val2 = 548309; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_OFFSET: - *val = 25000; + *val = 3312; return IIO_VAL_INT; default: return -EINVAL; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 13aa8dd42f7d..bb744ba155e2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -42,7 +42,6 @@ #include <rdma/ib_umem.h> #include <rdma/uverbs_ioctl.h>

-#include "hnae3.h" #include "hns_roce_common.h" #include "hns_roce_device.h" #include "hns_roce_cmd.h" diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 8948d2b5577d..80d14261cc4e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -34,6 +34,7 @@ #define _HNS_ROCE_HW_V2_H

#include <linux/bitops.h> +#include "hnae3.h"

#define HNS_ROCE_VF_QPC_BT_NUM 256 #define HNS_ROCE_VF_SCCC_BT_NUM 64 diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 3c79668c6b3b..9078855aad18 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -37,7 +37,6 @@ #include <rdma/ib_smi.h> #include <rdma/ib_user_verbs.h> #include <rdma/ib_cache.h> -#include "hnae3.h" #include "hns_roce_common.h" #include "hns_roce_device.h" #include <rdma/hns-abi.h> diff --git a/drivers/infiniband/hw/hns/hns_roce_restrack.c b/drivers/infiniband/hw/hns/hns_roce_restrack.c index 259444c0a630..8acab99f7ea6 100644 --- a/drivers/infiniband/hw/hns/hns_roce_restrack.c +++ b/drivers/infiniband/hw/hns/hns_roce_restrack.c @@ -4,7 +4,6 @@ #include <rdma/rdma_cm.h> #include <rdma/restrack.h> #include <uapi/rdma/rdma_netlink.h> -#include "hnae3.h" #include "hns_roce_common.h" #include "hns_roce_device.h" #include "hns_roce_hw_v2.h" diff --git a/drivers/infiniband/hw/mlx5/qpc.c b/drivers/infiniband/hw/mlx5/qpc.c index 9a306da7f949..245b7675bb4d 100644 --- a/drivers/infiniband/hw/mlx5/qpc.c +++ b/drivers/infiniband/hw/mlx5/qpc.c @@ -21,8 +21,10 @@ mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) spin_lock_irqsave(&table->lock, flags);

common = radix_tree_lookup(&table->tree, rsn); - if (common) + if (common && !common->invalid) refcount_inc(&common->refcount); + else + common = NULL;

spin_unlock_irqrestore(&table->lock, flags);

@@ -172,6 +174,18 @@ static int create_resource_common(struct mlx5_ib_dev *dev, return 0; }

+static void modify_resource_common_state(struct mlx5_ib_dev *dev, + struct mlx5_core_qp *qp, + bool invalid) +{ + struct mlx5_qp_table *table = &dev->qp_table; + unsigned long flags; + + spin_lock_irqsave(&table->lock, flags); + qp->common.invalid = invalid; + spin_unlock_irqrestore(&table->lock, flags); +} + static void destroy_resource_common(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp) { @@ -578,8 +592,20 @@ int mlx5_core_create_rq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen, int mlx5_core_destroy_rq_tracked(struct mlx5_ib_dev *dev, struct mlx5_core_qp *rq) { + int ret; + + /* The rq destruction can be called again in case it fails, hence we + * mark the common resource as invalid and only once FW destruction + * is completed successfully we actually destroy the resources. + */ + modify_resource_common_state(dev, rq, true); + ret = destroy_rq_tracked(dev, rq->qpn, rq->uid); + if (ret) { + modify_resource_common_state(dev, rq, false); + return ret; + } destroy_resource_common(dev, rq); - return destroy_rq_tracked(dev, rq->qpn, rq->uid); + return 0; }

static void destroy_sq_tracked(struct mlx5_ib_dev *dev, u32 sqn, u16 uid) diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index e5cb20e7f57b..7ced98d07431 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -845,6 +845,12 @@ static int ims_pcu_flash_firmware(struct ims_pcu *pcu, addr = be32_to_cpu(rec->addr) / 2; len = be16_to_cpu(rec->len);

+ if (len > sizeof(pcu->cmd_buf) - 1 - sizeof(*fragment)) { + dev_err(pcu->dev, + "Invalid record length in firmware: %d\n", len); + return -EINVAL; + } + fragment = (void *)&pcu->cmd_buf[1]; put_unaligned_le32(addr, &fragment->addr); fragment->len = len; diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c index cdcb7737c46a..b6549f44a67b 100644 --- a/drivers/input/misc/sparcspkr.c +++ b/drivers/input/misc/sparcspkr.c @@ -74,9 +74,14 @@ static int bbc_spkr_event(struct input_dev *dev, unsigned int type, unsigned int return -1;

switch (code) { - case SND_BELL: if (value) value = 1000; - case SND_TONE: break; - default: return -1; + case SND_BELL: + if (value) + value = 1000; + break; + case SND_TONE: + break; + default: + return -1; }

if (value > 20 && value < 32767) @@ -112,9 +117,14 @@ static int grover_spkr_event(struct input_dev *dev, unsigned int type, unsigned return -1;

switch (code) { - case SND_BELL: if (value) value = 1000; - case SND_TONE: break; - default: return -1; + case SND_BELL: + if (value) + value = 1000; + break; + case SND_TONE: + break; + default: + return -1; }

if (value > 20 && value < 32767) diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c index e5dca9868f87..c93a8ccd87c7 100644 --- a/drivers/input/rmi4/rmi_f34.c +++ b/drivers/input/rmi4/rmi_f34.c @@ -4,6 +4,7 @@ * Copyright (C) 2016 Zodiac Inflight Innovations */

+#include "linux/device.h" #include <linux/kernel.h> #include <linux/rmi.h> #include <linux/firmware.h> @@ -298,39 +299,30 @@ static int rmi_f34_update_firmware(struct f34_data *f34, return ret; }

-static int rmi_f34_status(struct rmi_function *fn) -{ - struct f34_data *f34 = dev_get_drvdata(&fn->dev); - - /* - * The status is the percentage complete, or once complete, - * zero for success or a negative return code. - */ - return f34->update_status; -} - static ssize_t rmi_driver_bootloader_id_show(struct device *dev, struct device_attribute *dattr, char *buf) { struct rmi_driver_data *data = dev_get_drvdata(dev); - struct rmi_function *fn = data->f34_container; + struct rmi_function *fn; struct f34_data *f34;

- if (fn) { - f34 = dev_get_drvdata(&fn->dev); - - if (f34->bl_version == 5) - return scnprintf(buf, PAGE_SIZE, "%c%c\n", - f34->bootloader_id[0], - f34->bootloader_id[1]); - else - return scnprintf(buf, PAGE_SIZE, "V%d.%d\n", - f34->bootloader_id[1], - f34->bootloader_id[0]); - } + fn = data->f34_container; + if (!fn) + return -ENODEV;

- return 0; + f34 = dev_get_drvdata(&fn->dev); + if (!f34) + return -ENODEV; + + if (f34->bl_version == 5) + return sysfs_emit(buf, "%c%c\n", + f34->bootloader_id[0], + f34->bootloader_id[1]); + else + return sysfs_emit(buf, "V%d.%d\n", + f34->bootloader_id[1], + f34->bootloader_id[0]); }

static DEVICE_ATTR(bootloader_id, 0444, rmi_driver_bootloader_id_show, NULL); @@ -343,13 +335,16 @@ static ssize_t rmi_driver_configuration_id_show(struct device *dev, struct rmi_function *fn = data->f34_container; struct f34_data *f34;

- if (fn) { - f34 = dev_get_drvdata(&fn->dev); + fn = data->f34_container; + if (!fn) + return -ENODEV;

- return scnprintf(buf, PAGE_SIZE, "%s\n", f34->configuration_id); - } + f34 = dev_get_drvdata(&fn->dev); + if (!f34) + return -ENODEV;

- return 0; + + return sysfs_emit(buf, "%s\n", f34->configuration_id); }

static DEVICE_ATTR(configuration_id, 0444, @@ -365,10 +360,14 @@ static int rmi_firmware_update(struct rmi_driver_data *data,

if (!data->f34_container) { dev_warn(dev, "%s: No F34 present!\n", __func__); - return -EINVAL; + return -ENODEV; }

f34 = dev_get_drvdata(&data->f34_container->dev); + if (!f34) { + dev_warn(dev, "%s: No valid F34 present!\n", __func__); + return -ENODEV; + }

if (f34->bl_version == 7) { if (data->pdt_props & HAS_BSR) { @@ -494,12 +493,20 @@ static ssize_t rmi_driver_update_fw_status_show(struct device *dev, char *buf) { struct rmi_driver_data *data = dev_get_drvdata(dev); - int update_status = 0; + struct f34_data *f34; + int update_status = -ENODEV;

- if (data->f34_container) - update_status = rmi_f34_status(data->f34_container); + /* + * The status is the percentage complete, or once complete, + * zero for success or a negative return code. + */ + if (data->f34_container) { + f34 = dev_get_drvdata(&data->f34_container->dev); + if (f34) + update_status = f34->update_status; + }

- return scnprintf(buf, PAGE_SIZE, "%d\n", update_status); + return sysfs_emit(buf, "%d\n", update_status); }

static DEVICE_ATTR(update_fw_status, 0444, @@ -517,33 +524,21 @@ static const struct attribute_group rmi_firmware_attr_group = { .attrs = rmi_firmware_attrs, };

-static int rmi_f34_probe(struct rmi_function *fn) +static int rmi_f34v5_probe(struct f34_data *f34) { - struct f34_data *f34; - unsigned char f34_queries[9]; + struct rmi_function *fn = f34->fn; + u8 f34_queries[9]; bool has_config_id; - u8 version = fn->fd.function_version; - int ret; - - f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL); - if (!f34) - return -ENOMEM; - - f34->fn = fn; - dev_set_drvdata(&fn->dev, f34); - - /* v5 code only supported version 0, try V7 probe */ - if (version > 0) - return rmi_f34v7_probe(f34); + int error;

f34->bl_version = 5;

- ret = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, - f34_queries, sizeof(f34_queries)); - if (ret) { + error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, + f34_queries, sizeof(f34_queries)); + if (error) { dev_err(&fn->dev, "%s: Failed to query properties\n", __func__); - return ret; + return error; }

snprintf(f34->bootloader_id, sizeof(f34->bootloader_id), @@ -569,11 +564,11 @@ static int rmi_f34_probe(struct rmi_function *fn) f34->v5.config_blocks);

if (has_config_id) { - ret = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr, - f34_queries, sizeof(f34_queries)); - if (ret) { + error = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr, + f34_queries, sizeof(f34_queries)); + if (error) { dev_err(&fn->dev, "Failed to read F34 config ID\n"); - return ret; + return error; }

snprintf(f34->configuration_id, sizeof(f34->configuration_id), @@ -582,12 +577,34 @@ static int rmi_f34_probe(struct rmi_function *fn) f34_queries[2], f34_queries[3]);

rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Configuration ID: %s\n", - f34->configuration_id); + f34->configuration_id); }

return 0; }

+static int rmi_f34_probe(struct rmi_function *fn) +{ + struct f34_data *f34; + u8 version = fn->fd.function_version; + int error; + + f34 = devm_kzalloc(&fn->dev, sizeof(struct f34_data), GFP_KERNEL); + if (!f34) + return -ENOMEM; + + f34->fn = fn; + + /* v5 code only supported version 0 */ + error = version == 0 ? rmi_f34v5_probe(f34) : rmi_f34v7_probe(f34); + if (error) + return error; + + dev_set_drvdata(&fn->dev, f34); + + return 0; +} + int rmi_f34_create_sysfs(struct rmi_device *rmi_dev) { return sysfs_create_group(&rmi_dev->dev.kobj, &rmi_firmware_attr_group); diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index a9a3f9c649c7..334303b1d27b 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -750,6 +750,14 @@ int amd_iommu_register_ga_log_notifier(int (*notifier)(u32)) { iommu_ga_log_notifier = notifier;

+ /* + * Ensure all in-flight IRQ handlers run to completion before returning + * to the caller, e.g. to ensure module code isn't unloaded while it's + * being executed in the IRQ handler. + */ + if (!notifier) + synchronize_rcu(); + return 0; } EXPORT_SYMBOL(amd_iommu_register_ga_log_notifier); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index fa09bc4e4c54..a4578b3321de 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -128,10 +128,9 @@ static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw) spin_lock_irqsave(&ms->lock, flags); should_wake = !(bl->head); bio_list_add(bl, bio); - spin_unlock_irqrestore(&ms->lock, flags); - if (should_wake) wakeup_mirrord(ms); + spin_unlock_irqrestore(&ms->lock, flags); }

static void dispatch_bios(void *context, struct bio_list *bio_list) @@ -638,9 +637,9 @@ static void write_callback(unsigned long error, void *context) if (!ms->failures.head) should_wake = 1; bio_list_add(&ms->failures, bio); - spin_unlock_irqrestore(&ms->lock, flags); if (should_wake) wakeup_mirrord(ms); + spin_unlock_irqrestore(&ms->lock, flags); }

static void do_write(struct mirror_set *ms, struct bio *bio) diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 748131151c49..83b49e7ae978 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -465,7 +465,7 @@ vb2_dma_sg_dmabuf_ops_begin_cpu_access(struct dma_buf *dbuf, struct vb2_dma_sg_buf *buf = dbuf->priv; struct sg_table *sgt = buf->dma_sgt;

- dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); + dma_sync_sgtable_for_cpu(buf->dev, sgt, buf->dma_dir); return 0; }

@@ -476,7 +476,7 @@ vb2_dma_sg_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf, struct vb2_dma_sg_buf *buf = dbuf->priv; struct sg_table *sgt = buf->dma_sgt;

- dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir); + dma_sync_sgtable_for_device(buf->dev, sgt, buf->dma_dir); return 0; }

diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c index 2f4ceaa80593..ab4750ca9241 100644 --- a/drivers/media/i2c/ov8856.c +++ b/drivers/media/i2c/ov8856.c @@ -1663,8 +1663,8 @@ static int ov8856_get_hwcfg(struct ov8856 *ov8856, struct device *dev) if (!is_acpi_node(fwnode)) { ov8856->xvclk = devm_clk_get(dev, "xvclk"); if (IS_ERR(ov8856->xvclk)) { - dev_err(dev, "could not get xvclk clock (%pe)\n", - ov8856->xvclk); + dev_err_probe(dev, PTR_ERR(ov8856->xvclk), + "could not get xvclk clock\n"); return PTR_ERR(ov8856->xvclk); }

@@ -1758,11 +1758,8 @@ static int ov8856_probe(struct i2c_client *client) return -ENOMEM;

ret = ov8856_get_hwcfg(ov8856, &client->dev); - if (ret) { - dev_err(&client->dev, "failed to get HW configuration: %d", - ret); + if (ret) return ret; - }

v4l2_i2c_subdev_init(&ov8856->sd, client, &ov8856_subdev_ops);

diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 8e9df9007d2e..1b3441510b6f 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -309,6 +309,10 @@ static int tc358743_get_detected_timings(struct v4l2_subdev *sd,

memset(timings, 0, sizeof(struct v4l2_dv_timings));

+ /* if HPD is low, ignore any video */ + if (!(i2c_rd8(sd, HPD_CTL) & MASK_HPD_OUT0)) + return -ENOLINK; + if (no_signal(sd)) { v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); return -ENOLINK; diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c index 366e6393817d..5f9c44e825a5 100644 --- a/drivers/media/platform/exynos4-is/fimc-is-regs.c +++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c @@ -164,6 +164,7 @@ int fimc_is_hw_change_mode(struct fimc_is *is) if (WARN_ON(is->config_index >= ARRAY_SIZE(cmd))) return -EINVAL;

+ fimc_is_hw_wait_intmsr0_intmsd0(is); mcuctl_write(cmd[is->config_index], is, MCUCTL_REG_ISSR(0)); mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1)); mcuctl_write(is->setfile.sub_index, is, MCUCTL_REG_ISSR(2)); diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 987b1d010c04..b8bbd9d71b79 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -290,7 +290,7 @@ static int venus_probe(struct platform_device *pdev)

ret = v4l2_device_register(dev, &core->v4l2_dev); if (ret) - goto err_core_deinit; + goto err_hfi_destroy;

platform_set_drvdata(pdev, core);

@@ -322,24 +322,24 @@ static int venus_probe(struct platform_device *pdev)

ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_DEC); if (ret) - goto err_venus_shutdown; + goto err_core_deinit;

ret = venus_enumerate_codecs(core, VIDC_SESSION_TYPE_ENC); if (ret) - goto err_venus_shutdown; + goto err_core_deinit;

ret = pm_runtime_put_sync(dev); if (ret) { pm_runtime_get_noresume(dev); - goto err_dev_unregister; + goto err_core_deinit; }

venus_dbgfs_init(core);

return 0;

-err_dev_unregister: - v4l2_device_unregister(&core->v4l2_dev); +err_core_deinit: + hfi_core_deinit(core, false); err_venus_shutdown: venus_shutdown(core); err_firmware_deinit: @@ -350,9 +350,9 @@ static int venus_probe(struct platform_device *pdev) pm_runtime_put_noidle(dev); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); + v4l2_device_unregister(&core->v4l2_dev); +err_hfi_destroy: hfi_destroy(core); -err_core_deinit: - hfi_core_deinit(core, false); err_core_put: if (core->pm_ops->core_put) core->pm_ops->core_put(core); diff --git a/drivers/media/test-drivers/vidtv/vidtv_channel.c b/drivers/media/test-drivers/vidtv/vidtv_channel.c index 7838e6272712..f3023e91b3eb 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_channel.c +++ b/drivers/media/test-drivers/vidtv/vidtv_channel.c @@ -497,7 +497,7 @@ int vidtv_channel_si_init(struct vidtv_mux *m) vidtv_psi_sdt_table_destroy(m->si.sdt); free_pat: vidtv_psi_pat_table_destroy(m->si.pat); - return 0; + return -EINVAL; }

void vidtv_channel_si_destroy(struct vidtv_mux *m) diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 9370c684e076..8886b58d1805 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -962,8 +962,8 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection if (dev->has_compose_cap) { v4l2_rect_set_min_size(compose, &min_rect); v4l2_rect_set_max_size(compose, &max_rect); - v4l2_rect_map_inside(compose, &fmt); } + v4l2_rect_map_inside(compose, &fmt); dev->fmt_cap_rect = fmt; tpg_s_buf_height(&dev->tpg, fmt.height); } else if (dev->has_compose_cap) { diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 7707de7bae7c..bdfb8afff262 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -119,9 +119,8 @@ static void cxusb_gpio_tuner(struct dvb_usb_device *d, int onoff)

o[0] = GPIO_TUNER; o[1] = onoff; - cxusb_ctrl_msg(d, CMD_GPIO_WRITE, o, 2, &i, 1);

- if (i != 0x01) + if (!cxusb_ctrl_msg(d, CMD_GPIO_WRITE, o, 2, &i, 1) && i != 0x01) dev_info(&d->udev->dev, "gpio_write failed.\n");

st->gpio_write_state[GPIO_TUNER] = onoff; diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c index 5a47dcbf1c8e..303b055fefea 100644 --- a/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c +++ b/drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c @@ -520,12 +520,13 @@ static int hdcs_init(struct sd *sd) static int hdcs_dump(struct sd *sd) { u16 reg, val; + int err = 0;

pr_info("Dumping sensor registers:\n");

- for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH; reg++) { - stv06xx_read_sensor(sd, reg, &val); + for (reg = HDCS_IDENT; reg <= HDCS_ROWEXPH && !err; reg++) { + err = stv06xx_read_sensor(sd, reg, &val); pr_info("reg 0x%02x = 0x%02x\n", reg, val); } - return 0; + return (err < 0) ? err : 0; } diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index 4c31aa0a941e..0c49a2d19cbc 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -1029,25 +1029,25 @@ int __video_register_device(struct video_device *vdev, vdev->dev.class = &video_class; vdev->dev.devt = MKDEV(VIDEO_MAJOR, vdev->minor); vdev->dev.parent = vdev->dev_parent; + vdev->dev.release = v4l2_device_release; dev_set_name(&vdev->dev, "%s%d", name_base, vdev->num); + + /* Increase v4l2_device refcount */ + v4l2_device_get(vdev->v4l2_dev); + mutex_lock(&videodev_lock); ret = device_register(&vdev->dev); if (ret < 0) { mutex_unlock(&videodev_lock); pr_err("%s: device_register failed\n", __func__); - goto cleanup; + put_device(&vdev->dev); + return ret; } - /* Register the release callback that will be called when the last - reference to the device goes away. */ - vdev->dev.release = v4l2_device_release;

if (nr != -1 && nr != vdev->num && warn_if_nr_in_use) pr_warn("%s: requested %s%d, got %s\n", __func__, name_base, nr, video_device_node_name(vdev));

- /* Increase v4l2_device refcount */ - v4l2_device_get(vdev->v4l2_dev); - /* Part 5: Register the entity. */ ret = video_register_media_controller(vdev);

diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c index 99bd0e73c19c..ffda3445d1c0 100644 --- a/drivers/mfd/exynos-lpass.c +++ b/drivers/mfd/exynos-lpass.c @@ -144,7 +144,6 @@ static int exynos_lpass_remove(struct platform_device *pdev) { struct exynos_lpass *lpass = platform_get_drvdata(pdev);

- exynos_lpass_disable(lpass); pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) exynos_lpass_disable(lpass); diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c index 7351734f7593..07fa56e5337d 100644 --- a/drivers/mfd/stmpe-spi.c +++ b/drivers/mfd/stmpe-spi.c @@ -129,7 +129,7 @@ static const struct spi_device_id stmpe_spi_id[] = { { "stmpe2403", STMPE2403 }, { } }; -MODULE_DEVICE_TABLE(spi, stmpe_id); +MODULE_DEVICE_TABLE(spi, stmpe_spi_id);

static struct spi_driver stmpe_spi_driver = { .driver = { diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 52eb28f3277c..782190531f2f 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -818,6 +818,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct nand_chip *nand, if (ret) return ret;

+ sunxi_nfc_randomizer_config(nand, page, false); sunxi_nfc_randomizer_enable(nand); writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP, nfc->regs + NFC_REG_CMD); @@ -1045,6 +1046,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct nand_chip *nand, if (ret) return ret;

+ sunxi_nfc_randomizer_config(nand, page, false); sunxi_nfc_randomizer_enable(nand); sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, 0, bbm, page);

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c index 1401fc4632b5..d9d3bf9b9277 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c @@ -117,7 +117,6 @@ static netdev_tx_t aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *nd } #endif

- skb_tx_timestamp(skb); return aq_nic_xmit(aq_nic, skb); }

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index 54aa84f06e40..8b0531c085be 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -751,6 +751,8 @@ int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)

frags = aq_nic_map_skb(self, skb, ring);

+ skb_tx_timestamp(skb); + if (likely(frags)) { err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw, ring, frags); diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 74f3cabf8ed6..2a103be1c9d8 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -4571,7 +4571,11 @@ static int macb_probe(struct platform_device *pdev)

#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) { - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); + if (err) { + dev_err(&pdev->dev, "failed to set DMA mask\n"); + goto err_out_free_netdev; + } bp->hw_dma_cap |= HW_DMA_CAP_64B; } #endif diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c index 66e0fbdcef22..b7f992103da3 100644 --- a/drivers/net/ethernet/dlink/dl2k.c +++ b/drivers/net/ethernet/dlink/dl2k.c @@ -146,6 +146,8 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) np->ioaddr = ioaddr; np->chip_id = chip_idx; np->pdev = pdev; + + spin_lock_init(&np->stats_lock); spin_lock_init (&np->tx_lock); spin_lock_init (&np->rx_lock);

@@ -869,7 +871,6 @@ tx_error (struct net_device *dev, int tx_status) frame_id = (tx_status & 0xffff0000); printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n", dev->name, tx_status, frame_id); - dev->stats.tx_errors++; /* Ttransmit Underrun */ if (tx_status & 0x10) { dev->stats.tx_fifo_errors++; @@ -906,9 +907,15 @@ tx_error (struct net_device *dev, int tx_status) rio_set_led_mode(dev); /* Let TxStartThresh stay default value */ } + + spin_lock(&np->stats_lock); /* Maximum Collisions */ if (tx_status & 0x08) dev->stats.collisions++; + + dev->stats.tx_errors++; + spin_unlock(&np->stats_lock); + /* Restart the Tx */ dw32(MACCtrl, dr16(MACCtrl) | TxEnable); } @@ -1077,7 +1084,9 @@ get_stats (struct net_device *dev) int i; #endif unsigned int stat_reg; + unsigned long flags;

+ spin_lock_irqsave(&np->stats_lock, flags); /* All statistics registers need to be acknowledged, else statistic overflow could cause problems */

@@ -1127,6 +1136,9 @@ get_stats (struct net_device *dev) dr16(TCPCheckSumErrors); dr16(UDPCheckSumErrors); dr16(IPCheckSumErrors); + + spin_unlock_irqrestore(&np->stats_lock, flags); + return &dev->stats; }

diff --git a/drivers/net/ethernet/dlink/dl2k.h b/drivers/net/ethernet/dlink/dl2k.h index 0e33e2eaae96..56aff2f0bdbf 100644 --- a/drivers/net/ethernet/dlink/dl2k.h +++ b/drivers/net/ethernet/dlink/dl2k.h @@ -372,6 +372,8 @@ struct netdev_private { struct pci_dev *pdev; void __iomem *ioaddr; void __iomem *eeprom_addr; + // To ensure synchronization when stats are updated. + spinlock_t stats_lock; spinlock_t tx_lock; spinlock_t rx_lock; unsigned int rx_buf_sz; /* Based on MTU+slack. */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 9812a9a5d033..d9bceb26f4e5 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -1608,7 +1608,7 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) /* version 1 of the cmd is not supported only by BE2 */ if (BE2_chip(adapter)) hdr->version = 0; - if (BE3_chip(adapter) || lancer_chip(adapter)) + else if (BE3_chip(adapter) || lancer_chip(adapter)) hdr->version = 1; else hdr->version = 2; diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index b76d1d019a81..f458a97dd791 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -1086,7 +1086,7 @@ void gve_handle_report_stats(struct gve_priv *priv) }; stats[stats_idx++] = (struct stats) { .stat_name = cpu_to_be32(RX_BUFFERS_POSTED), - .value = cpu_to_be64(priv->rx[0].fill_cnt), + .value = cpu_to_be64(priv->rx[idx].fill_cnt), .queue_id = cpu_to_be32(idx), }; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index 59a467f7aba3..430f236be653 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1320,10 +1320,11 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw) void i40e_clear_hw(struct i40e_hw *hw) { u32 num_queues, base_queue; - u32 num_pf_int; - u32 num_vf_int; + s32 num_pf_int; + s32 num_vf_int; u32 num_vfs; - u32 i, j; + s32 i; + u32 j; u32 val; u32 eol = 0x7ff;

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 4f23243bbfbb..852ece241a27 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1495,8 +1495,8 @@ static void i40e_cleanup_reset_vf(struct i40e_vf *vf) * @vf: pointer to the VF structure * @flr: VFLR was issued or not * - * Returns true if the VF is in reset, resets successfully, or resets - * are disabled and false otherwise. + * Return: True if reset was performed successfully or if resets are disabled. + * False if reset is already in progress. **/ bool i40e_reset_vf(struct i40e_vf *vf, bool flr) { @@ -1515,7 +1515,7 @@ bool i40e_reset_vf(struct i40e_vf *vf, bool flr)

/* If VF is being reset already we don't need to continue. */ if (test_and_set_bit(I40E_VF_STATE_RESETTING, &vf->vf_states)) - return true; + return false;

i40e_trigger_vf_reset(vf, flr);

@@ -4170,7 +4170,10 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf) reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); if (reg & BIT(bit_idx)) /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */ - i40e_reset_vf(vf, true); + if (!i40e_reset_vf(vf, true)) { + /* At least one VF did not finish resetting, retry next time */ + set_bit(__I40E_VFLR_EVENT_PENDING, pf->state); + } }

return 0; diff --git a/drivers/net/ethernet/intel/ice/ice_arfs.c b/drivers/net/ethernet/intel/ice/ice_arfs.c index 085b1a0d67c5..bb27474805c4 100644 --- a/drivers/net/ethernet/intel/ice/ice_arfs.c +++ b/drivers/net/ethernet/intel/ice/ice_arfs.c @@ -376,6 +376,50 @@ ice_arfs_is_perfect_flow_set(struct ice_hw *hw, __be16 l3_proto, u8 l4_proto) return false; }

+/** + * ice_arfs_cmp - Check if aRFS filter matches this flow. + * @fltr_info: filter info of the saved ARFS entry. + * @fk: flow dissector keys. + * @n_proto: One of htons(ETH_P_IP) or htons(ETH_P_IPV6). + * @ip_proto: One of IPPROTO_TCP or IPPROTO_UDP. + * + * Since this function assumes limited values for n_proto and ip_proto, it + * is meant to be called only from ice_rx_flow_steer(). + * + * Return: + * * true - fltr_info refers to the same flow as fk. + * * false - fltr_info and fk refer to different flows. + */ +static bool +ice_arfs_cmp(const struct ice_fdir_fltr *fltr_info, const struct flow_keys *fk, + __be16 n_proto, u8 ip_proto) +{ + /* Determine if the filter is for IPv4 or IPv6 based on flow_type, + * which is one of ICE_FLTR_PTYPE_NONF_IPV{4,6}_{TCP,UDP}. + */ + bool is_v4 = fltr_info->flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP || + fltr_info->flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP; + + /* Following checks are arranged in the quickest and most discriminative + * fields first for early failure. + */ + if (is_v4) + return n_proto == htons(ETH_P_IP) && + fltr_info->ip.v4.src_port == fk->ports.src && + fltr_info->ip.v4.dst_port == fk->ports.dst && + fltr_info->ip.v4.src_ip == fk->addrs.v4addrs.src && + fltr_info->ip.v4.dst_ip == fk->addrs.v4addrs.dst && + fltr_info->ip.v4.proto == ip_proto; + + return fltr_info->ip.v6.src_port == fk->ports.src && + fltr_info->ip.v6.dst_port == fk->ports.dst && + fltr_info->ip.v6.proto == ip_proto && + !memcmp(&fltr_info->ip.v6.src_ip, &fk->addrs.v6addrs.src, + sizeof(struct in6_addr)) && + !memcmp(&fltr_info->ip.v6.dst_ip, &fk->addrs.v6addrs.dst, + sizeof(struct in6_addr)); +} + /** * ice_rx_flow_steer - steer the Rx flow to where application is being run * @netdev: ptr to the netdev being adjusted @@ -447,6 +491,10 @@ ice_rx_flow_steer(struct net_device *netdev, const struct sk_buff *skb, continue;

fltr_info = &arfs_entry->fltr_info; + + if (!ice_arfs_cmp(fltr_info, &fk, n_proto, ip_proto)) + continue; + ret = fltr_info->fltr_id;

if (fltr_info->q_index == rxq_idx || diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index f5bfb662f1df..504a5913caf0 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -1396,16 +1396,16 @@ ice_sched_get_vsi_node(struct ice_hw *hw, struct ice_sched_node *tc_node, /** * ice_sched_calc_vsi_child_nodes - calculate number of VSI child nodes * @hw: pointer to the HW struct - * @num_qs: number of queues + * @num_new_qs: number of new queues that will be added to the tree * @num_nodes: num nodes array * * This function calculates the number of VSI child nodes based on the * number of queues. */ static void -ice_sched_calc_vsi_child_nodes(struct ice_hw *hw, u16 num_qs, u16 *num_nodes) +ice_sched_calc_vsi_child_nodes(struct ice_hw *hw, u16 num_new_qs, u16 *num_nodes) { - u16 num = num_qs; + u16 num = num_new_qs; u8 i, qgl, vsil;

qgl = ice_sched_get_qgrp_layer(hw); @@ -1646,8 +1646,9 @@ ice_sched_update_vsi_child_nodes(struct ice_port_info *pi, u16 vsi_handle, if (status) return status;

- if (new_numqs) - ice_sched_calc_vsi_child_nodes(hw, new_numqs, new_num_nodes); + ice_sched_calc_vsi_child_nodes(hw, new_numqs - prev_numqs, + new_num_nodes); + /* Keep the max number of queue configuration all the time. Update the * tree only if number of queues > previous number of queues. This may * leave some extra nodes in the tree if number of queues < previous diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c index 96d2891f1675..9d884699ed9c 100644 --- a/drivers/net/ethernet/mediatek/mtk_star_emac.c +++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c @@ -1409,6 +1409,8 @@ static __maybe_unused int mtk_star_suspend(struct device *dev) if (netif_running(ndev)) mtk_star_disable(ndev);

+ netif_device_detach(ndev); + clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks);

return 0; @@ -1433,6 +1435,8 @@ static __maybe_unused int mtk_star_resume(struct device *dev) clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks); }

+ netif_device_attach(ndev); + return ret; }

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 024788549c25..060698b0c65c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -251,7 +251,7 @@ static const struct ptp_clock_info mlx4_en_ptp_clock_info = { static u32 freq_to_shift(u16 freq) { u32 freq_khz = freq * 1000; - u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC; + u64 max_val_cycles = freq_khz * 1000ULL * MLX4_EN_WRAP_AROUND_SEC; u64 max_val_cycles_rounded = 1ULL << fls64(max_val_cycles - 1); /* calculate max possible multiplier in order to fit in 64bit */ u64 max_mul = div64_u64(ULLONG_MAX, max_val_cycles_rounded); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 962851000ace..7cb4dde12b92 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1905,6 +1905,7 @@ static int mlx4_en_get_ts_info(struct net_device *dev, if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE;

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index c1a33f05702e..4b237a0fee34 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1869,6 +1869,7 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, struct mlx5_flow_handle *rule; struct match_list *iter; bool take_write = false; + bool try_again = false; struct fs_fte *fte; u64 version = 0; int err; @@ -1928,6 +1929,7 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, nested_down_write_ref_node(&g->node, FS_LOCK_PARENT);

if (!g->node.active) { + try_again = true; up_write_ref_node(&g->node, false); continue; } @@ -1949,7 +1951,8 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, tree_put_node(&fte->node, false); return rule; } - rule = ERR_PTR(-ENOENT); + err = try_again ? -EAGAIN : -ENOENT; + rule = ERR_PTR(err); out: kmem_cache_free(steering->ftes_cache, fte); return rule; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index 1ea71f06fdb1..b7ccdef697fd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -272,7 +272,7 @@ static void free_4k(struct mlx5_core_dev *dev, u64 addr, u32 function) static int alloc_system_page(struct mlx5_core_dev *dev, u32 function) { struct device *device = mlx5_core_dma_dev(dev); - int nid = dev_to_node(device); + int nid = dev->priv.numa_node; struct page *page; u64 zero_addr = 1; u64 addr; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c index e77cf11356c0..78702b0a1b42 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c @@ -440,19 +440,22 @@ int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid) { u32 *out; int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out); + int err;

out = kvzalloc(outlen, GFP_KERNEL); if (!out) return -ENOMEM;

- mlx5_query_nic_vport_context(mdev, 0, out); + err = mlx5_query_nic_vport_context(mdev, 0, out); + if (err) + goto out;

*node_guid = MLX5_GET64(query_nic_vport_context_out, out, nic_vport_context.node_guid); - +out: kvfree(out);

- return 0; + return err; } EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);

@@ -494,19 +497,22 @@ int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev, { u32 *out; int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out); + int err;

out = kvzalloc(outlen, GFP_KERNEL); if (!out) return -ENOMEM;

- mlx5_query_nic_vport_context(mdev, 0, out); + err = mlx5_query_nic_vport_context(mdev, 0, out); + if (err) + goto out;

*qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out, nic_vport_context.qkey_violation_counter); - +out: kvfree(out);

- return 0; + return err; } EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_qkey_viol_cntr);

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index a0f490a90757..26a230c60efb 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -918,7 +918,7 @@ static int lan743x_mac_set_mtu(struct lan743x_adapter *adapter, int new_mtu) }

/* PHY */ -static int lan743x_phy_reset(struct lan743x_adapter *adapter) +static int lan743x_hw_reset_phy(struct lan743x_adapter *adapter) { u32 data;

@@ -952,7 +952,7 @@ static void lan743x_phy_update_flowcontrol(struct lan743x_adapter *adapter,

static int lan743x_phy_init(struct lan743x_adapter *adapter) { - return lan743x_phy_reset(adapter); + return lan743x_hw_reset_phy(adapter); }

static void lan743x_phy_link_status_change(struct net_device *netdev) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f02ce09020fb..7ebbb81375e8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -400,6 +400,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) struct device_node *np = pdev->dev.of_node; struct plat_stmmacenet_data *plat; struct stmmac_dma_cfg *dma_cfg; + static int bus_id = -ENODEV; int phy_mode; int rc;

@@ -435,8 +436,14 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) of_property_read_u32(np, "max-speed", &plat->max_speed);

plat->bus_id = of_alias_get_id(np, "ethernet"); - if (plat->bus_id < 0) - plat->bus_id = 0; + if (plat->bus_id < 0) { + if (bus_id < 0) + bus_id = of_alias_get_highest_id("ethernet"); + /* No ethernet alias found, init at -1 so first bus_id is 0 */ + if (bus_id < 0) + bus_id = -1; + plat->bus_id = ++bus_id; + }

/* Default to phy auto-detection */ plat->phy_addr = -1; diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 5e30fd017b3a..e6a013da6680 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -260,15 +260,39 @@ static sci_t make_sci(u8 *addr, __be16 port) return sci; }

-static sci_t macsec_frame_sci(struct macsec_eth_header *hdr, bool sci_present) +static sci_t macsec_active_sci(struct macsec_secy *secy) { - sci_t sci; + struct macsec_rx_sc *rx_sc = rcu_dereference_bh(secy->rx_sc); + + /* Case single RX SC */ + if (rx_sc && !rcu_dereference_bh(rx_sc->next)) + return (rx_sc->active) ? rx_sc->sci : 0; + /* Case no RX SC or multiple */ + else + return 0; +} + +static sci_t macsec_frame_sci(struct macsec_eth_header *hdr, bool sci_present, + struct macsec_rxh_data *rxd) +{ + struct macsec_dev *macsec; + sci_t sci = 0;

- if (sci_present) + /* SC = 1 */ + if (sci_present) { memcpy(&sci, hdr->secure_channel_id, sizeof(hdr->secure_channel_id)); - else + /* SC = 0; ES = 0 */ + } else if ((!(hdr->tci_an & (MACSEC_TCI_ES | MACSEC_TCI_SC))) && + (list_is_singular(&rxd->secys))) { + /* Only one SECY should exist on this scenario */ + macsec = list_first_or_null_rcu(&rxd->secys, struct macsec_dev, + secys); + if (macsec) + return macsec_active_sci(&macsec->secy); + } else { sci = make_sci(hdr->eth.h_source, MACSEC_PORT_ES); + }

return sci; } @@ -1096,7 +1120,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) struct macsec_rxh_data *rxd; struct macsec_dev *macsec; unsigned int len; - sci_t sci; + sci_t sci = 0; u32 hdr_pn; bool cbit; struct pcpu_rx_sc_stats *rxsc_stats; @@ -1143,11 +1167,14 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)

macsec_skb_cb(skb)->has_sci = !!(hdr->tci_an & MACSEC_TCI_SC); macsec_skb_cb(skb)->assoc_num = hdr->tci_an & MACSEC_AN_MASK; - sci = macsec_frame_sci(hdr, macsec_skb_cb(skb)->has_sci);

rcu_read_lock(); rxd = macsec_data_rcu(skb->dev);

+ sci = macsec_frame_sci(hdr, macsec_skb_cb(skb)->has_sci, rxd); + if (!sci) + goto drop_nosc; + list_for_each_entry_rcu(macsec, &rxd->secys, secys) { struct macsec_rx_sc *sc = find_rx_sc(&macsec->secy, sci);

@@ -1270,6 +1297,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) macsec_rxsa_put(rx_sa); drop_nosa: macsec_rxsc_put(rx_sc); +drop_nosc: rcu_read_unlock(); drop_direct: kfree_skb(skb); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index e9303be48655..d15deb3281ed 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -754,7 +754,13 @@ int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum)

WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock));

- retval = bus->read(bus, addr, regnum); + if (addr >= PHY_MAX_ADDR) + return -ENXIO; + + if (bus->read) + retval = bus->read(bus, addr, regnum); + else + retval = -EOPNOTSUPP;

trace_mdio_access(bus, 1, addr, regnum, retval, retval); mdiobus_stats_acct(&bus->stats[addr], true, retval); @@ -780,7 +786,13 @@ int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)

WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock));

- err = bus->write(bus, addr, regnum, val); + if (addr >= PHY_MAX_ADDR) + return -ENXIO; + + if (bus->write) + err = bus->write(bus, addr, regnum, val); + else + err = -EOPNOTSUPP;

trace_mdio_access(bus, 0, addr, regnum, val, err); mdiobus_stats_acct(&bus->stats[addr], false, err); diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c index b97ee79f3cdf..85102e895665 100644 --- a/drivers/net/phy/mscc/mscc_ptp.c +++ b/drivers/net/phy/mscc/mscc_ptp.c @@ -943,7 +943,9 @@ static int vsc85xx_ip1_conf(struct phy_device *phydev, enum ts_blk blk, /* UDP checksum offset in IPv4 packet * according to: https://tools.ietf.org/html/rfc768 */ - val |= IP1_NXT_PROT_UDP_CHKSUM_OFF(26) | IP1_NXT_PROT_UDP_CHKSUM_CLEAR; + val |= IP1_NXT_PROT_UDP_CHKSUM_OFF(26); + if (enable) + val |= IP1_NXT_PROT_UDP_CHKSUM_CLEAR; vsc85xx_ts_write_csr(phydev, blk, MSCC_ANA_IP1_NXT_PROT_UDP_CHKSUM, val);

diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 895d4f5166f9..485959771431 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -30,11 +30,14 @@ static int aqc111_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value, ret = usbnet_read_cmd_nopm(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, data, size);

- if (unlikely(ret < 0)) + if (unlikely(ret < size)) { netdev_warn(dev->net, "Failed to read(0x%x) reg index 0x%04x: %d\n", cmd, index, ret);

+ ret = ret < 0 ? ret : -ENODATA; + } + return ret; }

@@ -46,11 +49,14 @@ static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value, ret = usbnet_read_cmd(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, data, size);

- if (unlikely(ret < 0)) + if (unlikely(ret < size)) { netdev_warn(dev->net, "Failed to read(0x%x) reg index 0x%04x: %d\n", cmd, index, ret);

+ ret = ret < 0 ? ret : -ENODATA; + } + return ret; }

diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c index f69d9b902da0..a206ffa76f1b 100644 --- a/drivers/net/usb/ch9200.c +++ b/drivers/net/usb/ch9200.c @@ -178,6 +178,7 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc) { struct usbnet *dev = netdev_priv(netdev); unsigned char buff[2]; + int ret;

netdev_dbg(netdev, "%s phy_id:%02x loc:%02x\n", __func__, phy_id, loc); @@ -185,8 +186,10 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc) if (phy_id != 0) return -ENODEV;

- control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02, - CONTROL_TIMEOUT_MS); + ret = control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02, + CONTROL_TIMEOUT_MS); + if (ret < 0) + return ret;

return (buff[0] | buff[1] << 8); } diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 3b889fed9882..50a7a1abb90a 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1355,6 +1355,30 @@ vmxnet3_get_hdr_len(struct vmxnet3_adapter *adapter, struct sk_buff *skb, return (hlen + (hdr.tcp->doff << 2)); }

+static void +vmxnet3_lro_tunnel(struct sk_buff *skb, __be16 ip_proto) +{ + struct udphdr *uh = NULL; + + if (ip_proto == htons(ETH_P_IP)) { + struct iphdr *iph = (struct iphdr *)skb->data; + + if (iph->protocol == IPPROTO_UDP) + uh = (struct udphdr *)(iph + 1); + } else { + struct ipv6hdr *iph = (struct ipv6hdr *)skb->data; + + if (iph->nexthdr == IPPROTO_UDP) + uh = (struct udphdr *)(iph + 1); + } + if (uh) { + if (uh->check) + skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL_CSUM; + else + skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL; + } +} + static int vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter, int quota) @@ -1591,6 +1615,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, if (segCnt != 0 && mss != 0) { skb_shinfo(skb)->gso_type = rcd->v4 ? SKB_GSO_TCPV4 : SKB_GSO_TCPV6; + if (encap_lro) + vmxnet3_lro_tunnel(skb, skb->protocol); skb_shinfo(skb)->gso_size = mss; skb_shinfo(skb)->gso_segs = segCnt; } else if ((segCnt != 0 || skb->len > mtu) && !encap_lro) { diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index 7d7aa7d76880..7973d4070ee3 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -712,10 +712,10 @@ static int vxlan_fdb_append(struct vxlan_fdb *f, if (rd == NULL) return -ENOMEM;

- if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) { - kfree(rd); - return -ENOMEM; - } + /* The driver can work correctly without a dst cache, so do not treat + * dst cache initialization errors as fatal. + */ + dst_cache_init(&rd->dst_cache, GFP_ATOMIC | __GFP_NOWARN);

rd->remote_ip = *ip; rd->remote_port = port; diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index 05a61975c83f..869524852fba 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -626,7 +626,7 @@ static int ath10k_ahb_hif_start(struct ath10k *ar) { ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot ahb hif start\n");

- napi_enable(&ar->napi); + ath10k_core_napi_enable(ar); ath10k_ce_enable_interrupts(ar); ath10k_pci_enable_legacy_irq(ar);

@@ -644,8 +644,7 @@ static void ath10k_ahb_hif_stop(struct ath10k *ar) ath10k_ahb_irq_disable(ar); synchronize_irq(ar_ahb->irq);

- napi_synchronize(&ar->napi); - napi_disable(&ar->napi); + ath10k_core_napi_sync_disable(ar);

ath10k_pci_flush(ar); } diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index d03a36c45f9f..a2a52c627672 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2292,6 +2292,42 @@ static int ath10k_init_hw_params(struct ath10k *ar) return 0; }

+void ath10k_core_start_recovery(struct ath10k *ar) +{ + if (test_and_set_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags)) { + ath10k_warn(ar, "already restarting\n"); + return; + } + + queue_work(ar->workqueue, &ar->restart_work); +} +EXPORT_SYMBOL(ath10k_core_start_recovery); + +void ath10k_core_napi_enable(struct ath10k *ar) +{ + lockdep_assert_held(&ar->conf_mutex); + + if (test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags)) + return; + + napi_enable(&ar->napi); + set_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags); +} +EXPORT_SYMBOL(ath10k_core_napi_enable); + +void ath10k_core_napi_sync_disable(struct ath10k *ar) +{ + lockdep_assert_held(&ar->conf_mutex); + + if (!test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags)) + return; + + napi_synchronize(&ar->napi); + napi_disable(&ar->napi); + clear_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags); +} +EXPORT_SYMBOL(ath10k_core_napi_sync_disable); + static void ath10k_core_restart(struct work_struct *work) { struct ath10k *ar = container_of(work, struct ath10k, restart_work); diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index b50ab9e229dc..30c01f18b3d2 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -857,6 +857,12 @@ enum ath10k_dev_flags {

/* Per Station statistics service */ ATH10K_FLAG_PEER_STATS, + + /* Indicates that ath10k device is during recovery process and not complete */ + ATH10K_FLAG_RESTARTING, + + /* protected by conf_mutex */ + ATH10K_FLAG_NAPI_ENABLED, };

enum ath10k_cal_mode { @@ -1297,6 +1303,8 @@ static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)

extern unsigned long ath10k_coredump_mask;

+void ath10k_core_napi_sync_disable(struct ath10k *ar); +void ath10k_core_napi_enable(struct ath10k *ar); struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, enum ath10k_bus bus, enum ath10k_hw_rev hw_rev, @@ -1312,6 +1320,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, const struct ath10k_fw_components *fw_components); int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt); void ath10k_core_stop(struct ath10k *ar); +void ath10k_core_start_recovery(struct ath10k *ar); int ath10k_core_register(struct ath10k *ar, const struct ath10k_bus_params *bus_params); void ath10k_core_unregister(struct ath10k *ar); diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index ab737177a86b..64d48d8cce50 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -583,7 +583,7 @@ static ssize_t ath10k_write_simulate_fw_crash(struct file *file, ret = ath10k_debug_fw_assert(ar); } else if (!strcmp(buf, "hw-restart")) { ath10k_info(ar, "user requested hw restart\n"); - queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); ret = 0; } else { ret = -EINVAL; @@ -2005,7 +2005,7 @@ static ssize_t ath10k_write_btcoex(struct file *file, } } else { ath10k_info(ar, "restarting firmware due to btcoex change"); - queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); }

if (val) @@ -2136,7 +2136,7 @@ static ssize_t ath10k_write_peer_stats(struct file *file,

ath10k_info(ar, "restarting firmware due to Peer stats change");

- queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); ret = count;

exit: diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 323b6763cb0f..5dd0239e9d51 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7969,6 +7969,7 @@ static void ath10k_reconfig_complete(struct ieee80211_hw *hw, ath10k_info(ar, "device successfully recovered\n"); ar->state = ATH10K_STATE_ON; ieee80211_wake_queues(ar->hw); + clear_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags); }

mutex_unlock(&ar->conf_mutex); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 2c8f04b415c7..24ae59c57206 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1774,7 +1774,7 @@ static void ath10k_pci_fw_dump_work(struct work_struct *work)

mutex_unlock(&ar->dump_mutex);

- queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); }

static void ath10k_pci_fw_crashed_dump(struct ath10k *ar) @@ -1958,7 +1958,7 @@ static int ath10k_pci_hif_start(struct ath10k *ar)

ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif start\n");

- napi_enable(&ar->napi); + ath10k_core_napi_enable(ar);

ath10k_pci_irq_enable(ar); ath10k_pci_rx_post(ar); @@ -2076,8 +2076,9 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)

ath10k_pci_irq_disable(ar); ath10k_pci_irq_sync(ar); - napi_synchronize(&ar->napi); - napi_disable(&ar->napi); + + ath10k_core_napi_sync_disable(ar); + cancel_work_sync(&ar_pci->dump_work);

/* Most likely the device has HTT Rx ring configured. The only way to diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 418e40560f59..7cb1bc8d6e01 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -562,7 +562,7 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar, ATH10K_HTC_MBOX_MAX_PAYLOAD_LENGTH); ret = -ENOMEM;

- queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); ath10k_warn(ar, "exceeds length, start recovery\n");

goto err; @@ -961,7 +961,7 @@ static int ath10k_sdio_mbox_read_int_status(struct ath10k *ar, ret = ath10k_sdio_read(ar, MBOX_HOST_INT_STATUS_ADDRESS, irq_proc_reg, sizeof(*irq_proc_reg)); if (ret) { - queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); ath10k_warn(ar, "read int status fail, start recovery\n"); goto out; } @@ -1863,7 +1863,7 @@ static int ath10k_sdio_hif_start(struct ath10k *ar) struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar); int ret;

- napi_enable(&ar->napi); + ath10k_core_napi_enable(ar);

/* Sleep 20 ms before HIF interrupts are disabled. * This will give target plenty of time to process the BMI done @@ -1990,8 +1990,7 @@ static void ath10k_sdio_hif_stop(struct ath10k *ar)

spin_unlock_bh(&ar_sdio->wr_async_lock);

- napi_synchronize(&ar->napi); - napi_disable(&ar->napi); + ath10k_core_napi_sync_disable(ar); }

#ifdef CONFIG_PM @@ -2505,7 +2504,7 @@ void ath10k_sdio_fw_crashed_dump(struct ath10k *ar)

ath10k_sdio_enable_intrs(ar);

- queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); }

static int ath10k_sdio_probe(struct sdio_func *func, diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index f7ee1032b172..616fcaed061f 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -923,8 +923,7 @@ static void ath10k_snoc_hif_stop(struct ath10k *ar) if (!test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) ath10k_snoc_irq_disable(ar);

- napi_synchronize(&ar->napi); - napi_disable(&ar->napi); + ath10k_core_napi_sync_disable(ar); ath10k_snoc_buffer_cleanup(ar); ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n"); } @@ -934,8 +933,11 @@ static int ath10k_snoc_hif_start(struct ath10k *ar) struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);

bitmap_clear(ar_snoc->pending_ce_irqs, 0, CE_COUNT_MAX); - napi_enable(&ar->napi); - ath10k_snoc_irq_enable(ar); + + ath10k_core_napi_enable(ar); + /* IRQs are left enabled when we restart due to a firmware crash */ + if (!test_bit(ATH10K_SNOC_FLAG_RECOVERY, &ar_snoc->flags)) + ath10k_snoc_irq_enable(ar); ath10k_snoc_rx_post(ar);

clear_bit(ATH10K_SNOC_FLAG_RECOVERY, &ar_snoc->flags); @@ -1315,7 +1317,7 @@ int ath10k_snoc_fw_indication(struct ath10k *ar, u64 type) switch (type) { case ATH10K_QMI_EVENT_FW_READY_IND: if (test_bit(ATH10K_SNOC_FLAG_REGISTERED, &ar_snoc->flags)) { - queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); break; }

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index dc5d9f9be34f..c9a74f3e2e60 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1957,7 +1957,7 @@ int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id) if (ret == -EAGAIN) { ath10k_warn(ar, "wmi command %d timeout, restarting hardware\n", cmd_id); - queue_work(ar->workqueue, &ar->restart_work); + ath10k_core_start_recovery(ar); }

return ret; diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 473d92240a82..6282ccad79d5 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -736,6 +736,7 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab) void ath11k_core_halt(struct ath11k *ar) { struct ath11k_base *ab = ar->ab; + struct list_head *pos, *n;

lockdep_assert_held(&ar->conf_mutex);

@@ -749,7 +750,12 @@ void ath11k_core_halt(struct ath11k *ar)

rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); - INIT_LIST_HEAD(&ar->arvifs); + + spin_lock_bh(&ar->data_lock); + list_for_each_safe(pos, n, &ar->arvifs) + list_del_init(pos); + spin_unlock_bh(&ar->data_lock); + idr_init(&ar->txmgmt_idr); }

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index c745897aa3d6..259a36b4c7cb 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -290,6 +290,9 @@ void ath9k_htc_swba(struct ath9k_htc_priv *priv, struct ath_common *common = ath9k_hw_common(priv->ah); int slot;

+ if (!priv->cur_beacon_conf.enable_beacon) + return; + if (swba->beacon_pending != 0) { priv->beacon.bmisscnt++; if (priv->beacon.bmisscnt > BSTUCK_THRESHOLD) { diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index a5265997b576..debac4699687 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -438,14 +438,21 @@ static void carl9170_usb_rx_complete(struct urb *urb)

if (atomic_read(&ar->rx_anch_urbs) == 0) { /* - * The system is too slow to cope with - * the enormous workload. We have simply - * run out of active rx urbs and this - * unfortunately leads to an unpredictable - * device. + * At this point, either the system is too slow to + * cope with the enormous workload (so we have simply + * run out of active rx urbs and this unfortunately + * leads to an unpredictable device), or the device + * is not fully functional after an unsuccessful + * firmware loading attempts (so it doesn't pass + * ieee80211_register_hw() and there is no internal + * workqueue at all). */

- ieee80211_queue_work(ar->hw, &ar->ping_work); + if (ar->registered) + ieee80211_queue_work(ar->hw, &ar->ping_work); + else + pr_warn_once("device %s is not registered\n", + dev_name(&ar->udev->dev)); } } else { /* diff --git a/drivers/net/wireless/intersil/p54/fwio.c b/drivers/net/wireless/intersil/p54/fwio.c index bece14e4ff0d..459c35912d76 100644 --- a/drivers/net/wireless/intersil/p54/fwio.c +++ b/drivers/net/wireless/intersil/p54/fwio.c @@ -233,6 +233,7 @@ int p54_download_eeprom(struct p54_common *priv, void *buf,

mutex_lock(&priv->eeprom_mutex); priv->eeprom = buf; + priv->eeprom_slice_size = len; eeprom_hdr = skb_put(skb, eeprom_hdr_size + len);

if (priv->fw_var < 0x509) { @@ -255,6 +256,7 @@ int p54_download_eeprom(struct p54_common *priv, void *buf, ret = -EBUSY; } priv->eeprom = NULL; + priv->eeprom_slice_size = 0; mutex_unlock(&priv->eeprom_mutex); return ret; } diff --git a/drivers/net/wireless/intersil/p54/p54.h b/drivers/net/wireless/intersil/p54/p54.h index 3356ea708d81..97fc863fef81 100644 --- a/drivers/net/wireless/intersil/p54/p54.h +++ b/drivers/net/wireless/intersil/p54/p54.h @@ -258,6 +258,7 @@ struct p54_common {

/* eeprom handling */ void *eeprom; + size_t eeprom_slice_size; struct completion eeprom_comp; struct mutex eeprom_mutex; }; diff --git a/drivers/net/wireless/intersil/p54/txrx.c b/drivers/net/wireless/intersil/p54/txrx.c index 873fea59894f..6333b1000f92 100644 --- a/drivers/net/wireless/intersil/p54/txrx.c +++ b/drivers/net/wireless/intersil/p54/txrx.c @@ -500,14 +500,19 @@ static void p54_rx_eeprom_readback(struct p54_common *priv, return ;

if (priv->fw_var >= 0x509) { - memcpy(priv->eeprom, eeprom->v2.data, - le16_to_cpu(eeprom->v2.len)); + if (le16_to_cpu(eeprom->v2.len) != priv->eeprom_slice_size) + return; + + memcpy(priv->eeprom, eeprom->v2.data, priv->eeprom_slice_size); } else { - memcpy(priv->eeprom, eeprom->v1.data, - le16_to_cpu(eeprom->v1.len)); + if (le16_to_cpu(eeprom->v1.len) != priv->eeprom_slice_size) + return; + + memcpy(priv->eeprom, eeprom->v1.data, priv->eeprom_slice_size); }

priv->eeprom = NULL; + priv->eeprom_slice_size = 0; tmp = p54_find_and_unlink_skb(priv, hdr->req_id); dev_kfree_skb_any(tmp); complete(&priv->eeprom_comp); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c index 82a193aac09d..95c548f45bdf 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c @@ -17,6 +17,8 @@ static const struct usb_device_id mt76x2u_device_table[] = { { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ { USB_DEVICE(0x0e8d, 0x7632) }, /* HC-M7662BU1 */ + { USB_DEVICE(0x0471, 0x2126) }, /* LiteOn WN4516R module, nonstandard USB connector */ + { USB_DEVICE(0x0471, 0x7600) }, /* LiteOn WN4519R module, nonstandard USB connector */ { USB_DEVICE(0x2c4e, 0x0103) }, /* Mercury UD13 */ { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c index ffc2deba29ac..c845e8389765 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c @@ -191,6 +191,7 @@ int mt76x2u_register_device(struct mt76x02_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); struct mt76_usb *usb = &dev->mt76.usb; + bool vht; int err;

INIT_DELAYED_WORK(&dev->cal_work, mt76x2u_phy_calibrate); @@ -215,7 +216,17 @@ int mt76x2u_register_device(struct mt76x02_dev *dev)

/* check hw sg support in order to enable AMSDU */ hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_TX_SG_MAX_SIZE : 1; - err = mt76_register_device(&dev->mt76, true, mt76x02_rates, + switch (dev->mt76.rev) { + case 0x76320044: + /* these ASIC revisions do not support VHT */ + vht = false; + break; + default: + vht = true; + break; + } + + err = mt76_register_device(&dev->mt76, vht, mt76x02_rates, ARRAY_SIZE(mt76x02_rates)); if (err) goto fail; diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 925e4f807eb9..f024533d34a9 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -155,6 +155,16 @@ static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw) if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8192SE && init_aspm == 0x43) ppsc->support_aspm = false; + + /* RTL8723BE found on some ASUSTek laptops, such as F441U and + * X555UQ with subsystem ID 11ad:1723 are known to output large + * amounts of PCIe AER errors during and after boot up, causing + * heavy lags, poor network throughput, and occasional lock-ups. + */ + if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8723BE && + (rtlpci->pdev->subsystem_vendor == 0x11ad && + rtlpci->pdev->subsystem_device == 0x1723)) + ppsc->support_aspm = false; }

static bool _rtl_pci_platform_switch_device_pci_aspm( diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index abed17e4c8c7..a7fc2287521f 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -3157,7 +3157,8 @@ static void rtw8822c_dpk_cal_coef1(struct rtw_dev *rtwdev) rtw_write32(rtwdev, REG_NCTL0, 0x00001148); rtw_write32(rtwdev, REG_NCTL0, 0x00001149);

- check_hw_ready(rtwdev, 0x2d9c, MASKBYTE0, 0x55); + if (!check_hw_ready(rtwdev, 0x2d9c, MASKBYTE0, 0x55)) + rtw_warn(rtwdev, "DPK stuck, performance may be suboptimal");

rtw_write8(rtwdev, 0x1b10, 0x0); rtw_write32_mask(rtwdev, REG_NCTL0, BIT_SUBPAGE, 0x0000000c); diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c index 4d8d15ac51ef..c29176bdecd1 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-host.c +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c @@ -548,14 +548,5 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc) if (!bridge->ops) bridge->ops = &cdns_pcie_host_ops;

- ret = pci_host_probe(bridge); - if (ret < 0) - goto err_init; - - return 0; - - err_init: - pm_runtime_put_sync(dev); - - return ret; + return pci_host_probe(bridge); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 24916e78c507..31bcda363cbb 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5356,7 +5356,8 @@ static void pci_slot_unlock(struct pci_slot *slot) continue; if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } }

diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index ab83f78f3eb1..cabbaacdb6e6 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -263,7 +263,7 @@ static int dpc_get_aer_uncorrect_severity(struct pci_dev *dev, void dpc_process_error(struct pci_dev *pdev) { u16 cap = pdev->dpc_cap, status, source, reason, ext_reason; - struct aer_err_info info; + struct aer_err_info info = {};

pci_read_config_word(pdev, cap + PCI_EXP_DPC_STATUS, &status); pci_read_config_word(pdev, cap + PCI_EXP_DPC_SOURCE_ID, &source); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6564df6c9d0c..7d9f048ed18f 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4828,6 +4828,18 @@ static int pci_quirk_brcm_acs(struct pci_dev *dev, u16 acs_flags) PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); }

+static int pci_quirk_loongson_acs(struct pci_dev *dev, u16 acs_flags) +{ + /* + * Loongson PCIe Root Ports don't advertise an ACS capability, but + * they do not allow peer-to-peer transactions between Root Ports. + * Allow each Root Port to be in a separate IOMMU group by masking + * SV/RR/CR/UF bits. + */ + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); +} + /* * Wangxun 40G/25G/10G/1G NICs have no ACS capability, but on * multi-function devices, the hardware isolates the functions by @@ -4961,6 +4973,17 @@ static const struct pci_dev_acs_enabled { { PCI_VENDOR_ID_BROADCOM, 0x1762, pci_quirk_mf_endpoint_acs }, { PCI_VENDOR_ID_BROADCOM, 0x1763, pci_quirk_mf_endpoint_acs }, { PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs }, + /* Loongson PCIe Root Ports */ + { PCI_VENDOR_ID_LOONGSON, 0x3C09, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x3C19, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x3C29, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A09, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A19, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A29, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A39, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A49, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A59, pci_quirk_loongson_acs }, + { PCI_VENDOR_ID_LOONGSON, 0x7A69, pci_quirk_loongson_acs }, /* Amazon Annapurna Labs */ { PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs }, /* Zhaoxin multi-function devices */ diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index 85a0052bb0e6..ee4457832ccd 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -354,9 +354,7 @@ static int armada_37xx_pmx_set_by_name(struct pinctrl_dev *pctldev,

val = grp->val[func];

- regmap_update_bits(info->regmap, reg, mask, val); - - return 0; + return regmap_update_bits(info->regmap, reg, mask, val); }

static int armada_37xx_pmx_set(struct pinctrl_dev *pctldev, @@ -398,10 +396,13 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip, struct armada_37xx_pinctrl *info = gpiochip_get_data(chip); unsigned int reg = OUTPUT_EN; unsigned int val, mask; + int ret;

armada_37xx_update_reg(&reg, &offset); mask = BIT(offset); - regmap_read(info->regmap, reg, &val); + ret = regmap_read(info->regmap, reg, &val); + if (ret) + return ret;

if (val & mask) return GPIO_LINE_DIRECTION_OUT; @@ -413,20 +414,22 @@ static int armada_37xx_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { struct armada_37xx_pinctrl *info = gpiochip_get_data(chip); - unsigned int reg = OUTPUT_EN; + unsigned int en_offset = offset; + unsigned int reg = OUTPUT_VAL; unsigned int mask, val, ret;

armada_37xx_update_reg(&reg, &offset); mask = BIT(offset); + val = value ? mask : 0;

- ret = regmap_update_bits(info->regmap, reg, mask, mask); - + ret = regmap_update_bits(info->regmap, reg, mask, val); if (ret) return ret;

- reg = OUTPUT_VAL; - val = value ? mask : 0; - regmap_update_bits(info->regmap, reg, mask, val); + reg = OUTPUT_EN; + armada_37xx_update_reg(&reg, &en_offset); + + regmap_update_bits(info->regmap, reg, mask, mask);

return 0; } @@ -436,11 +439,14 @@ static int armada_37xx_gpio_get(struct gpio_chip *chip, unsigned int offset) struct armada_37xx_pinctrl *info = gpiochip_get_data(chip); unsigned int reg = INPUT_VAL; unsigned int val, mask; + int ret;

armada_37xx_update_reg(&reg, &offset); mask = BIT(offset);

- regmap_read(info->regmap, reg, &val); + ret = regmap_read(info->regmap, reg, &val); + if (ret) + return ret;

return (val & mask) != 0; } @@ -465,16 +471,17 @@ static int armada_37xx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, { struct armada_37xx_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); struct gpio_chip *chip = range->gc; + int ret;

dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n", offset, range->name, offset, input ? "input" : "output");

if (input) - armada_37xx_gpio_direction_input(chip, offset); + ret = armada_37xx_gpio_direction_input(chip, offset); else - armada_37xx_gpio_direction_output(chip, offset, 0); + ret = armada_37xx_gpio_direction_output(chip, offset, 0);

- return 0; + return ret; }

static int armada_37xx_gpio_request_enable(struct pinctrl_dev *pctldev, diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index bb9348f14b1b..3b299f4e2c93 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1820,12 +1820,16 @@ static int at91_gpio_probe(struct platform_device *pdev) struct at91_gpio_chip *at91_chip = NULL; struct gpio_chip *chip; struct pinctrl_gpio_range *range; + int alias_idx; int ret = 0; int irq, i; - int alias_idx = of_alias_get_id(np, "gpio"); uint32_t ngpio; char **names;

+ alias_idx = of_alias_get_id(np, "gpio"); + if (alias_idx < 0) + return alias_idx; + BUG_ON(alias_idx >= ARRAY_SIZE(gpio_chips)); if (gpio_chips[alias_idx]) { ret = -EBUSY; diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig index 971426bb4302..18fc6a08569e 100644 --- a/drivers/platform/Kconfig +++ b/drivers/platform/Kconfig @@ -13,3 +13,5 @@ source "drivers/platform/chrome/Kconfig" source "drivers/platform/mellanox/Kconfig"

source "drivers/platform/olpc/Kconfig" + +source "drivers/platform/surface/Kconfig" diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile index 6fda58c021ca..4de08ef4ec9d 100644 --- a/drivers/platform/Makefile +++ b/drivers/platform/Makefile @@ -9,3 +9,4 @@ obj-$(CONFIG_MIPS) += mips/ obj-$(CONFIG_OLPC_EC) += olpc/ obj-$(CONFIG_GOLDFISH) += goldfish/ obj-$(CONFIG_CHROME_PLATFORMS) += chrome/ +obj-$(CONFIG_SURFACE_PLATFORMS) += surface/ diff --git a/drivers/platform/surface/Kconfig b/drivers/platform/surface/Kconfig new file mode 100644 index 000000000000..b67926ece95f --- /dev/null +++ b/drivers/platform/surface/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Microsoft Surface Platform-Specific Drivers +# + +menuconfig SURFACE_PLATFORMS + bool "Microsoft Surface Platform-Specific Device Drivers" + default y + help + Say Y here to get to see options for platform-specific device drivers + for Microsoft Surface devices. This option alone does not add any + kernel code. + + If you say N, all options in this submenu will be skipped and disabled. diff --git a/drivers/platform/surface/Makefile b/drivers/platform/surface/Makefile new file mode 100644 index 000000000000..3700f9e84299 --- /dev/null +++ b/drivers/platform/surface/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for linux/drivers/platform/surface +# Microsoft Surface Platform-Specific Drivers +# diff --git a/drivers/platform/x86/dell_rbu.c b/drivers/platform/x86/dell_rbu.c index 03c3ff34bcf5..68a860a97f31 100644 --- a/drivers/platform/x86/dell_rbu.c +++ b/drivers/platform/x86/dell_rbu.c @@ -292,7 +292,7 @@ static int packet_read_list(char *data, size_t * pread_length) remaining_bytes = *pread_length; bytes_read = rbu_data.packet_read_count;

- list_for_each_entry(newpacket, (&packet_data_head.list)->next, list) { + list_for_each_entry(newpacket, &packet_data_head.list, list) { bytes_copied = do_packet_read(pdest, newpacket, remaining_bytes, bytes_read, &temp_count); remaining_bytes -= bytes_copied; @@ -315,14 +315,14 @@ static void packet_empty_list(void) { struct packet_data *newpacket, *tmp;

- list_for_each_entry_safe(newpacket, tmp, (&packet_data_head.list)->next, list) { + list_for_each_entry_safe(newpacket, tmp, &packet_data_head.list, list) { list_del(&newpacket->list);

/* * zero out the RBU packet memory before freeing * to make sure there are no stale RBU packets left in memory */ - memset(newpacket->data, 0, rbu_data.packetsize); + memset(newpacket->data, 0, newpacket->length); set_memory_wb((unsigned long)newpacket->data, 1 << newpacket->ordernum); free_pages((unsigned long) newpacket->data, diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 3ff9d93a5226..6659001291f4 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -81,12 +81,11 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, " str %4, [%0, %6]\n\t" /* Disable SDRAM1 accesses */ "1: tst %1, #0\n\t" - " beq 2f\n\t" " strne %3, [%1, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" /* Power down SDRAM1 */ " strne %4, [%1, %6]\n\t" /* Reset CPU */ - "2: str %5, [%2, #" __stringify(AT91_RSTC_CR) "]\n\t" + " str %5, [%2, #" __stringify(AT91_RSTC_CR) "]\n\t"

" b .\n\t" : @@ -97,7 +96,7 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), "r" (reset->args), "r" (reset->ramc_lpr) - : "r4"); + );

return NOTIFY_DONE; } diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index be2aac8fbf43..b8131f823654 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -2000,7 +2000,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, mutex_unlock(&di->lock);

if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0) - return -ENODEV; + return di->cache.flags;

switch (psp) { case POWER_SUPPLY_PROP_STATUS: diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 6fbae8fc2e50..d0c8edadec4b 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -6,6 +6,7 @@ * Andrew F. Davis afd@ti.com */

+#include <linux/delay.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/module.h> @@ -32,6 +33,7 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg, struct i2c_msg msg[2]; u8 data[2]; int ret; + int retry = 0;

if (!client->adapter) return -ENODEV; @@ -48,7 +50,16 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg, else msg[1].len = 2;

- ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + do { + ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + if (ret == -EBUSY && ++retry < 3) { + /* sleep 10 milliseconds when busy */ + usleep_range(10000, 11000); + continue; + } + break; + } while (1); + if (ret < 0) return ret;

diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c index db4c265287ae..b35ef7e9381e 100644 --- a/drivers/rapidio/rio_cm.c +++ b/drivers/rapidio/rio_cm.c @@ -787,6 +787,9 @@ static int riocm_ch_send(u16 ch_id, void *buf, int len) if (buf == NULL || ch_id == 0 || len == 0 || len > RIO_MAX_MSG_SIZE) return -EINVAL;

+ if (len < sizeof(struct rio_ch_chan_hdr)) + return -EINVAL; /* insufficient data from user */ + ch = riocm_get_channel(ch_id); if (!ch) { riocm_error("%s(%d) ch_%d not found", current->comm, diff --git a/drivers/regulator/max14577-regulator.c b/drivers/regulator/max14577-regulator.c index e34face736f4..091a55819fc1 100644 --- a/drivers/regulator/max14577-regulator.c +++ b/drivers/regulator/max14577-regulator.c @@ -40,11 +40,14 @@ static int max14577_reg_get_current_limit(struct regulator_dev *rdev) struct max14577 *max14577 = rdev_get_drvdata(rdev); const struct maxim_charger_current *limits = &maxim_charger_currents[max14577->dev_type]; + int ret;

if (rdev_get_id(rdev) != MAX14577_CHARGER) return -EINVAL;

- max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data); + ret = max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data); + if (ret < 0) + return ret;

if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0) return limits->min; diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index b5167ef93abf..6facf1b31d46 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -746,7 +746,7 @@ static int __qcom_smd_send(struct qcom_smd_channel *channel, const void *data, __le32 hdr[5] = { cpu_to_le32(len), }; int tlen = sizeof(hdr) + len; unsigned long flags; - int ret; + int ret = 0;

/* Word aligned channels only accept word size aligned data */ if (channel->info_word && len % 4) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 8ddd334e049e..6a4aa5abe366 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -10,6 +10,16 @@ config RTC_MC146818_LIB bool select RTC_LIB

+config RTC_LIB_KUNIT_TEST + tristate "KUnit test for RTC lib functions" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + select RTC_LIB + help + Enable this option to test RTC library functions. + + If unsure, say N. + menuconfig RTC_CLASS bool "Real Time Clock" default n diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index bfb57464118d..03ab2329a0e2 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -183,3 +183,4 @@ obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o obj-$(CONFIG_RTC_DRV_XGENE) += rtc-xgene.o obj-$(CONFIG_RTC_DRV_ZYNQMP) += rtc-zynqmp.o +obj-$(CONFIG_RTC_LIB_KUNIT_TEST) += lib_test.o diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 625effe6cb65..b1ce3bd724b2 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -314,7 +314,7 @@ static void rtc_device_get_offset(struct rtc_device *rtc) * * Otherwise the offset seconds should be 0. */ - if (rtc->start_secs > rtc->range_max || + if ((rtc->start_secs >= 0 && rtc->start_secs > rtc->range_max) || rtc->start_secs + range_secs - 1 < rtc->range_min) rtc->offset_secs = rtc->start_secs - rtc->range_min; else if (rtc->start_secs > rtc->range_min) diff --git a/drivers/rtc/lib.c b/drivers/rtc/lib.c index 23284580df97..13b5b1f20465 100644 --- a/drivers/rtc/lib.c +++ b/drivers/rtc/lib.c @@ -6,6 +6,8 @@ * Author: Alessandro Zummo a.zummo@towertech.it * * based on arch/arm/common/rtctime.c and other bits + * + * Author: Cassio Neri cassio.neri@gmail.com (rtc_time64_to_tm) */

#include <linux/export.h> @@ -22,8 +24,6 @@ static const unsigned short rtc_ydays[2][13] = { { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } };

-#define LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400) - /* * The number of days in the month. */ @@ -42,42 +42,109 @@ int rtc_year_days(unsigned int day, unsigned int month, unsigned int year) } EXPORT_SYMBOL(rtc_year_days);

-/* - * rtc_time64_to_tm - Converts time64_t to rtc_time. - * Convert seconds since 01-01-1970 00:00:00 to Gregorian date. +/** + * rtc_time64_to_tm - converts time64_t to rtc_time. + * + * @time: The number of seconds since 01-01-1970 00:00:00. + * Works for values since at least 1900 + * @tm: Pointer to the struct rtc_time. */ void rtc_time64_to_tm(time64_t time, struct rtc_time *tm) { - unsigned int month, year, secs; - int days; + int days, secs;

- /* time must be positive */ - days = div_s64_rem(time, 86400, &secs); + u64 u64tmp; + u32 u32tmp, udays, century, day_of_century, year_of_century, year, + day_of_year, month, day; + bool is_Jan_or_Feb, is_leap_year;

- /* day of the week, 1970-01-01 was a Thursday */ - tm->tm_wday = (days + 4) % 7; + /* + * Get days and seconds while preserving the sign to + * handle negative time values (dates before 1970-01-01) + */ + days = div_s64_rem(time, 86400, &secs);

- year = 1970 + days / 365; - days -= (year - 1970) * 365 - + LEAPS_THRU_END_OF(year - 1) - - LEAPS_THRU_END_OF(1970 - 1); - while (days < 0) { - year -= 1; - days += 365 + is_leap_year(year); + /* + * We need 0 <= secs < 86400 which isn't given for negative + * values of time. Fixup accordingly. + */ + if (secs < 0) { + days -= 1; + secs += 86400; } - tm->tm_year = year - 1900; - tm->tm_yday = days + 1; - - for (month = 0; month < 11; month++) { - int newdays;

- newdays = days - rtc_month_days(month, year); - if (newdays < 0) - break; - days = newdays; - } - tm->tm_mon = month; - tm->tm_mday = days + 1; + /* day of the week, 1970-01-01 was a Thursday */ + tm->tm_wday = (days + 4) % 7; + /* Ensure tm_wday is always positive */ + if (tm->tm_wday < 0) + tm->tm_wday += 7; + + /* + * The following algorithm is, basically, Proposition 6.3 of Neri + * and Schneider [1]. In a few words: it works on the computational + * (fictitious) calendar where the year starts in March, month = 2 + * (*), and finishes in February, month = 13. This calendar is + * mathematically convenient because the day of the year does not + * depend on whether the year is leap or not. For instance: + * + * March 1st 0-th day of the year; + * ... + * April 1st 31-st day of the year; + * ... + * January 1st 306-th day of the year; (Important!) + * ... + * February 28th 364-th day of the year; + * February 29th 365-th day of the year (if it exists). + * + * After having worked out the date in the computational calendar + * (using just arithmetics) it's easy to convert it to the + * corresponding date in the Gregorian calendar. + * + * [1] "Euclidean Affine Functions and Applications to Calendar + * Algorithms". https://arxiv.org/abs/2102.06959 + * + * (*) The numbering of months follows rtc_time more closely and + * thus, is slightly different from [1]. + */ + + udays = days + 719468; + + u32tmp = 4 * udays + 3; + century = u32tmp / 146097; + day_of_century = u32tmp % 146097 / 4; + + u32tmp = 4 * day_of_century + 3; + u64tmp = 2939745ULL * u32tmp; + year_of_century = upper_32_bits(u64tmp); + day_of_year = lower_32_bits(u64tmp) / 2939745 / 4; + + year = 100 * century + year_of_century; + is_leap_year = year_of_century != 0 ? + year_of_century % 4 == 0 : century % 4 == 0; + + u32tmp = 2141 * day_of_year + 132377; + month = u32tmp >> 16; + day = ((u16) u32tmp) / 2141; + + /* + * Recall that January 01 is the 306-th day of the year in the + * computational (not Gregorian) calendar. + */ + is_Jan_or_Feb = day_of_year >= 306; + + /* Converts to the Gregorian calendar. */ + year = year + is_Jan_or_Feb; + month = is_Jan_or_Feb ? month - 12 : month; + day = day + 1; + + day_of_year = is_Jan_or_Feb ? + day_of_year - 306 : day_of_year + 31 + 28 + is_leap_year; + + /* Converts to rtc_time's format. */ + tm->tm_year = (int) (year - 1900); + tm->tm_mon = (int) month; + tm->tm_mday = (int) day; + tm->tm_yday = (int) day_of_year + 1;

tm->tm_hour = secs / 3600; secs -= tm->tm_hour * 3600; diff --git a/drivers/rtc/lib_test.c b/drivers/rtc/lib_test.c new file mode 100644 index 000000000000..fa6fd2875b3d --- /dev/null +++ b/drivers/rtc/lib_test.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: LGPL-2.1+ + +#include <kunit/test.h> +#include <linux/rtc.h> + +/* + * Advance a date by one day. + */ +static void advance_date(int *year, int *month, int *mday, int *yday) +{ + if (*mday != rtc_month_days(*month - 1, *year)) { + ++*mday; + ++*yday; + return; + } + + *mday = 1; + if (*month != 12) { + ++*month; + ++*yday; + return; + } + + *month = 1; + *yday = 1; + ++*year; +} + +/* + * Checks every day in a 160000 years interval starting on 1970-01-01 + * against the expected result. + */ +static void rtc_time64_to_tm_test_date_range(struct kunit *test) +{ + /* + * 160000 years = (160000 / 400) * 400 years + * = (160000 / 400) * 146097 days + * = (160000 / 400) * 146097 * 86400 seconds + */ + time64_t total_secs = ((time64_t) 160000) / 400 * 146097 * 86400; + + int year = 1970; + int month = 1; + int mday = 1; + int yday = 1; + + struct rtc_time result; + time64_t secs; + s64 days; + + for (secs = 0; secs <= total_secs; secs += 86400) { + + rtc_time64_to_tm(secs, &result); + + days = div_s64(secs, 86400); + + #define FAIL_MSG "%d/%02d/%02d (%2d) : %lld", \ + year, month, mday, yday, days + + KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG); + KUNIT_ASSERT_EQ_MSG(test, month - 1, result.tm_mon, FAIL_MSG); + KUNIT_ASSERT_EQ_MSG(test, mday, result.tm_mday, FAIL_MSG); + KUNIT_ASSERT_EQ_MSG(test, yday, result.tm_yday, FAIL_MSG); + + advance_date(&year, &month, &mday, &yday); + } +} + +static struct kunit_case rtc_lib_test_cases[] = { + KUNIT_CASE(rtc_time64_to_tm_test_date_range), + {} +}; + +static struct kunit_suite rtc_lib_test_suite = { + .name = "rtc_lib_test_cases", + .test_cases = rtc_lib_test_cases, +}; + +kunit_test_suite(rtc_lib_test_suite); diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 9167b48014a1..7d2367104a9b 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -485,9 +485,15 @@ static int __init sh_rtc_probe(struct platform_device *pdev) return -ENOENT; }

- rtc->periodic_irq = ret; - rtc->carry_irq = platform_get_irq(pdev, 1); - rtc->alarm_irq = platform_get_irq(pdev, 2); + if (!pdev->dev.of_node) { + rtc->periodic_irq = ret; + rtc->carry_irq = platform_get_irq(pdev, 1); + rtc->alarm_irq = platform_get_irq(pdev, 2); + } else { + rtc->alarm_irq = ret; + rtc->periodic_irq = platform_get_irq(pdev, 1); + rtc->carry_irq = platform_get_irq(pdev, 2); + }

res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!res) diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 3c7f5ecf5511..27ad03550aa5 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -450,6 +450,8 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev, if (kstrtoull(buf, 0, (unsigned long long *) &fcp_lun)) return -EINVAL;

+ flush_work(&port->rport_work); + retval = zfcp_unit_add(port, fcp_lun); if (retval) return retval; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 353c360b0c6a..ca91527a1807 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4772,7 +4772,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba *phba, case CMD_GEN_REQUEST64_CR: if (iocb->context_un.ndlp == ndlp) return 1; - fallthrough; + break; case CMD_ELS_REQUEST64_CR: if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) return 1; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 84f90f4d5abd..ff39c596f000 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -5530,9 +5530,9 @@ lpfc_sli4_get_ctl_attr(struct lpfc_hba *phba) phba->sli4_hba.lnk_info.lnk_no = bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr);

- memset(phba->BIOSVersion, 0, sizeof(phba->BIOSVersion)); - strlcat(phba->BIOSVersion, (char *)cntl_attr->bios_ver_str, + memcpy(phba->BIOSVersion, cntl_attr->bios_ver_str, sizeof(phba->BIOSVersion)); + phba->BIOSVersion[sizeof(phba->BIOSVersion) - 1] = '\0';

lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3086 lnk_type:%d, lnk_numb:%d, bios_ver:%s\n", diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 912845415d9b..22b0bfc3f055 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -692,7 +692,7 @@ static u32 qedf_get_login_failures(void *cookie) }

static struct qed_fcoe_cb_ops qedf_cb_ops = { - { + .common = { .link_update = qedf_link_update, .bw_update = qedf_bw_update, .schedule_recovery_handler = qedf_schedule_recovery_handler, diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 548adbe54444..9fdfe1be9516 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -3502,7 +3502,7 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.new_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_new_fnode; }

index = transport->new_flashnode(shost, data, len); @@ -3512,7 +3512,6 @@ static int iscsi_new_flashnode(struct iscsi_transport *transport, else err = -EIO;

-put_host: scsi_host_put(shost);

exit_new_fnode: @@ -3537,7 +3536,7 @@ static int iscsi_del_flashnode(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.del_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_del_fnode; }

idx = ev->u.del_flashnode.flashnode_idx; @@ -3579,7 +3578,7 @@ static int iscsi_login_flashnode(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.login_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_login_fnode; }

idx = ev->u.login_flashnode.flashnode_idx; @@ -3631,7 +3630,7 @@ static int iscsi_logout_flashnode(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.logout_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_logout_fnode; }

idx = ev->u.logout_flashnode.flashnode_idx; @@ -3681,7 +3680,7 @@ static int iscsi_logout_flashnode_sid(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.logout_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_logout_sid; }

session = iscsi_session_lookup(ev->u.logout_flashnode_sid.sid); diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index dca2a06e5cb8..8c98dc672ca8 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -400,7 +400,7 @@ MODULE_PARM_DESC(ring_avail_percent_lowater, /* * Timeout in seconds for all devices managed by this driver. */ -static int storvsc_timeout = 180; +static const int storvsc_timeout = 180;

#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) static struct scsi_transport_template *fc_transport_template; @@ -779,7 +779,7 @@ static void handle_multichannel_storage(struct hv_device *device, int max_chns) return; }

- t = wait_for_completion_timeout(&request->wait_event, 10*HZ); + t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ); if (t == 0) { dev_err(dev, "Failed to create sub-channel: timed out\n"); return; @@ -840,7 +840,7 @@ static int storvsc_execute_vstor_op(struct hv_device *device, if (ret != 0) return ret;

- t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ); if (t == 0) return -ETIMEDOUT;

@@ -1301,6 +1301,8 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size, return ret;

ret = storvsc_channel_init(device, is_fc); + if (ret) + vmbus_close(device->channel);

return ret; } @@ -1623,7 +1625,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) if (ret != 0) return FAILED;

- t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ); if (t == 0) return TIMEOUT_ERROR;

diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index 538d7aab8db5..43e30937fc9d 100644 --- a/drivers/soc/aspeed/aspeed-lpc-snoop.c +++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c @@ -168,7 +168,7 @@ static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop, int rc;

lpc_snoop->irq = platform_get_irq(pdev, 0); - if (!lpc_snoop->irq) + if (lpc_snoop->irq < 0) return -ENODEV;

rc = devm_request_irq(dev, lpc_snoop->irq, @@ -202,11 +202,15 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop, lpc_snoop->chan[channel].miscdev.minor = MISC_DYNAMIC_MINOR; lpc_snoop->chan[channel].miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "%s%d", DEVICE_NAME, channel); + if (!lpc_snoop->chan[channel].miscdev.name) { + rc = -ENOMEM; + goto err_free_fifo; + } lpc_snoop->chan[channel].miscdev.fops = &snoop_fops; lpc_snoop->chan[channel].miscdev.parent = dev; rc = misc_register(&lpc_snoop->chan[channel].miscdev); if (rc) - return rc; + goto err_free_fifo;

/* Enable LPC snoop channel at requested port */ switch (channel) { @@ -223,7 +227,8 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop, hicrb_en = HICRB_ENSNP1D; break; default: - return -EINVAL; + rc = -EINVAL; + goto err_misc_deregister; }

regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en); @@ -233,6 +238,12 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop, regmap_update_bits(lpc_snoop->regmap, HICRB, hicrb_en, hicrb_en);

+ return 0; + +err_misc_deregister: + misc_deregister(&lpc_snoop->chan[channel].miscdev); +err_free_fifo: + kfifo_free(&lpc_snoop->chan[channel].fifo); return rc; }

diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index 02f56fc001b4..7d8e5c66f6d1 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -357,7 +357,7 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk);

- reset = devm_reset_control_get_optional_exclusive(dev, NULL); + reset = devm_reset_control_get_optional_shared(dev, NULL); if (IS_ERR(reset)) return PTR_ERR(reset);

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index b31b5f4e959e..da559b86f6b1 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -533,7 +533,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) return PTR_ERR(clk); }

- reset = devm_reset_control_get_optional_exclusive(dev, NULL); + reset = devm_reset_control_get_optional_shared(dev, NULL); if (IS_ERR(reset)) return PTR_ERR(reset);

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 12fd02f92e37..f1ca8b5356bc 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -915,6 +915,7 @@ static int sh_msiof_transfer_one(struct spi_controller *ctlr, void *rx_buf = t->rx_buf; unsigned int len = t->len; unsigned int bits = t->bits_per_word; + unsigned int max_wdlen = 256; unsigned int bytes_per_word; unsigned int words; int n; @@ -928,17 +929,17 @@ static int sh_msiof_transfer_one(struct spi_controller *ctlr, if (!spi_controller_is_slave(p->ctlr)) sh_msiof_spi_set_clk_regs(p, clk_get_rate(p->clk), t->speed_hz);

+ if (tx_buf) + max_wdlen = min(max_wdlen, p->tx_fifo_size); + if (rx_buf) + max_wdlen = min(max_wdlen, p->rx_fifo_size); + while (ctlr->dma_tx && len > 15) { /* * DMA supports 32-bit words only, hence pack 8-bit and 16-bit * words, with byte resp. word swapping. */ - unsigned int l = 0; - - if (tx_buf) - l = min(round_down(len, 4), p->tx_fifo_size * 4); - if (rx_buf) - l = min(round_down(len, 4), p->rx_fifo_size * 4); + unsigned int l = min(round_down(len, 4), max_wdlen * 4);

if (bits <= 8) { copy32 = copy_bswap32; diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 7d91d64b26f3..3d2ae33a8bc9 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -412,7 +412,7 @@ static ssize_t ad5933_store(struct device *dev, ret = ad5933_cmd(st, 0); break; case AD5933_OUT_SETTLING_CYCLES: - val = clamp(val, (u16)0, (u16)0x7FF); + val = clamp(val, (u16)0, (u16)0x7FC); st->settling_cycles = val;

/* 2x, 4x handling, see datasheet */ diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index 86483f1c070b..3266f1d78e88 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -178,8 +178,14 @@ static int rkvdec_enum_framesizes(struct file *file, void *priv, if (!fmt) return -EINVAL;

- fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; - fsize->stepwise = fmt->frmsize; + fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; + fsize->stepwise.min_width = 1; + fsize->stepwise.max_width = fmt->frmsize.max_width; + fsize->stepwise.step_width = 1; + fsize->stepwise.min_height = 1; + fsize->stepwise.max_height = fmt->frmsize.max_height; + fsize->stepwise.step_height = 1; + return 0; }

@@ -821,24 +827,24 @@ static int rkvdec_open(struct file *filp) rkvdec_reset_decoded_fmt(ctx); v4l2_fh_init(&ctx->fh, video_devdata(filp));

- ret = rkvdec_init_ctrls(ctx); - if (ret) - goto err_free_ctx; - ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(rkvdec->m2m_dev, ctx, rkvdec_queue_init); if (IS_ERR(ctx->fh.m2m_ctx)) { ret = PTR_ERR(ctx->fh.m2m_ctx); - goto err_cleanup_ctrls; + goto err_free_ctx; }

+ ret = rkvdec_init_ctrls(ctx); + if (ret) + goto err_cleanup_m2m_ctx; + filp->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh);

return 0;

-err_cleanup_ctrls: - v4l2_ctrl_handler_free(&ctx->ctrl_hdl); +err_cleanup_m2m_ctx: + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);

err_free_ctx: kfree(ctx); diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 9cc4a7b63b0d..e6de0e80b793 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -10,6 +10,7 @@ #include <linux/fs.h> #include <linux/idr.h> #include <linux/module.h> +#include <linux/overflow.h> #include <linux/slab.h> #include <linux/tee_drv.h> #include <linux/uaccess.h> @@ -19,7 +20,7 @@

#define TEE_NUM_DEVICES 32

-#define TEE_IOCTL_PARAM_SIZE(x) (sizeof(struct tee_param) * (x)) +#define TEE_IOCTL_PARAM_SIZE(x) (size_mul(sizeof(struct tee_param), (x)))

#define TEE_UUID_NS_NAME_SIZE 128

@@ -492,7 +493,7 @@ static int tee_ioctl_open_session(struct tee_context *ctx, if (copy_from_user(&arg, uarg, sizeof(arg))) return -EFAULT;

- if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len) + if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len) return -EINVAL;

if (arg.num_params) { @@ -570,7 +571,7 @@ static int tee_ioctl_invoke(struct tee_context *ctx, if (copy_from_user(&arg, uarg, sizeof(arg))) return -EFAULT;

- if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len) + if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len) return -EINVAL;

if (arg.num_params) { @@ -704,7 +705,7 @@ static int tee_ioctl_supp_recv(struct tee_context *ctx, if (get_user(num_params, &uarg->num_params)) return -EFAULT;

- if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len) + if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) != buf.buf_len) return -EINVAL;

params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL); @@ -803,7 +804,7 @@ static int tee_ioctl_supp_send(struct tee_context *ctx, get_user(num_params, &uarg->num_params)) return -EFAULT;

- if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len) + if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) > buf.buf_len) return -EINVAL;

params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL); diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index c73792ca727a..38492dbd60f3 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -264,7 +264,7 @@ static void tsens_set_interrupt(struct tsens_priv *priv, u32 hw_id, dev_dbg(priv->dev, "[%u] %s: %s -> %s\n", hw_id, __func__, irq_type ? ((irq_type == 1) ? "UP" : "CRITICAL") : "LOW", enable ? "en" : "dis"); - if (tsens_version(priv) > VER_1_X) + if (tsens_version(priv) >= VER_2_X) tsens_set_interrupt_v2(priv, hw_id, irq_type, enable); else tsens_set_interrupt_v1(priv, hw_id, irq_type, enable); @@ -316,7 +316,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, ret = regmap_field_read(priv->rf[LOW_INT_CLEAR_0 + hw_id], &d->low_irq_clear); if (ret) return ret; - if (tsens_version(priv) > VER_1_X) { + if (tsens_version(priv) >= VER_2_X) { ret = regmap_field_read(priv->rf[UP_INT_MASK_0 + hw_id], &d->up_irq_mask); if (ret) return ret; @@ -360,7 +360,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,

static inline u32 masked_irq(u32 hw_id, u32 mask, enum tsens_ver ver) { - if (ver > VER_1_X) + if (ver >= VER_2_X) return mask & (1 << hw_id);

/* v1, v0.1 don't have a irq mask register */ @@ -560,7 +560,7 @@ static int tsens_set_trips(void *_sensor, int low, int high) static int tsens_enable_irq(struct tsens_priv *priv) { int ret; - int val = tsens_version(priv) > VER_1_X ? 7 : 1; + int val = tsens_version(priv) >= VER_2_X ? 7 : 1;

ret = regmap_field_write(priv->rf[INT_EN], val); if (ret < 0) @@ -826,7 +826,7 @@ int __init init_common(struct tsens_priv *priv) } }

- if (tsens_version(priv) > VER_1_X && ver_minor > 2) { + if (tsens_version(priv) >= VER_2_X && ver_minor > 2) { /* Watchdog is present only on v2.3+ */ priv->feat->has_watchdog = 1; for (i = WDOG_BARK_STATUS; i <= CC_MON_MASK; i++) { diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 772acb190f50..85a6b093a097 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -131,6 +131,11 @@ static void tb_cfg_request_dequeue(struct tb_cfg_request *req) struct tb_ctl *ctl = req->ctl;

mutex_lock(&ctl->request_queue_lock); + if (!test_bit(TB_CFG_REQUEST_ACTIVE, &req->flags)) { + mutex_unlock(&ctl->request_queue_lock); + return; + } + list_del(&req->list); clear_bit(TB_CFG_REQUEST_ACTIVE, &req->flags); if (test_bit(TB_CFG_REQUEST_CANCELED, &req->flags)) diff --git a/drivers/tty/serial/milbeaut_usio.c b/drivers/tty/serial/milbeaut_usio.c index 8f2cab7f66ad..d9f094514945 100644 --- a/drivers/tty/serial/milbeaut_usio.c +++ b/drivers/tty/serial/milbeaut_usio.c @@ -523,7 +523,10 @@ static int mlb_usio_probe(struct platform_device *pdev) } port->membase = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - + if (!port->membase) { + ret = -ENOMEM; + goto failed; + } ret = platform_get_irq_byname(pdev, "rx"); mlb_usio_irq[index][RX] = ret;

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 26c5c585c221..2e1783ae8a9b 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -157,6 +157,7 @@ struct sci_port {

bool has_rtscts; bool autorts; + bool tx_occurred; };

#define SCI_NPORTS CONFIG_SERIAL_SH_SCI_NR_UARTS @@ -165,6 +166,7 @@ static struct sci_port sci_ports[SCI_NPORTS]; static unsigned long sci_ports_in_use; static struct uart_driver sci_uart_driver; static bool sci_uart_earlycon; +static bool sci_uart_earlycon_dev_probing;

static inline struct sci_port * to_sci_port(struct uart_port *uart) @@ -806,6 +808,7 @@ static void sci_transmit_chars(struct uart_port *port) { struct circ_buf *xmit = &port->state->xmit; unsigned int stopped = uart_tx_stopped(port); + struct sci_port *s = to_sci_port(port); unsigned short status; unsigned short ctrl; int count; @@ -837,6 +840,7 @@ static void sci_transmit_chars(struct uart_port *port) }

serial_port_out(port, SCxTDR, c); + s->tx_occurred = true;

port->icount.tx++; } while (--count > 0); @@ -1204,6 +1208,8 @@ static void sci_dma_tx_complete(void *arg) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port);

+ s->tx_occurred = true; + if (!uart_circ_empty(xmit)) { s->cookie_tx = 0; schedule_work(&s->work_tx); @@ -1686,6 +1692,19 @@ static void sci_flush_buffer(struct uart_port *port) s->cookie_tx = -EINVAL; } } + +static void sci_dma_check_tx_occurred(struct sci_port *s) +{ + struct dma_tx_state state; + enum dma_status status; + + if (!s->chan_tx) + return; + + status = dmaengine_tx_status(s->chan_tx, s->cookie_tx, &state); + if (status == DMA_COMPLETE || status == DMA_IN_PROGRESS) + s->tx_occurred = true; +} #else /* !CONFIG_SERIAL_SH_SCI_DMA */ static inline void sci_request_dma(struct uart_port *port) { @@ -1695,6 +1714,10 @@ static inline void sci_free_dma(struct uart_port *port) { }

+static void sci_dma_check_tx_occurred(struct sci_port *s) +{ +} + #define sci_flush_buffer NULL #endif /* !CONFIG_SERIAL_SH_SCI_DMA */

@@ -2007,6 +2030,12 @@ static unsigned int sci_tx_empty(struct uart_port *port) { unsigned short status = serial_port_in(port, SCxSR); unsigned short in_tx_fifo = sci_txfill(port); + struct sci_port *s = to_sci_port(port); + + sci_dma_check_tx_occurred(s); + + if (!s->tx_occurred) + return TIOCSER_TEMT;

return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0; } @@ -2177,6 +2206,7 @@ static int sci_startup(struct uart_port *port)

dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);

+ s->tx_occurred = false; sci_request_dma(port);

ret = sci_request_irq(s); @@ -2992,10 +3022,6 @@ static int sci_init_single(struct platform_device *dev, ret = sci_init_clocks(sci_port, &dev->dev); if (ret < 0) return ret; - - port->dev = &dev->dev; - - pm_runtime_enable(&dev->dev); }

port->type = p->type; @@ -3025,11 +3051,6 @@ static int sci_init_single(struct platform_device *dev, return 0; }

-static void sci_cleanup_single(struct sci_port *port) -{ - pm_runtime_disable(port->port.dev); -} - #if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) || \ defined(CONFIG_SERIAL_SH_SCI_EARLYCON) static void serial_console_putchar(struct uart_port *port, int ch) @@ -3187,8 +3208,6 @@ static int sci_remove(struct platform_device *dev) sci_ports_in_use &= ~BIT(port->port.line); uart_remove_one_port(&sci_uart_driver, &port->port);

- sci_cleanup_single(port); - if (port->port.fifosize > 1) device_remove_file(&dev->dev, &dev_attr_rx_fifo_trigger); if (type == PORT_SCIFA || type == PORT_SCIFB || type == PORT_HSCIF) @@ -3290,7 +3309,8 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev, static int sci_probe_single(struct platform_device *dev, unsigned int index, struct plat_sci_port *p, - struct sci_port *sciport) + struct sci_port *sciport, + struct resource *sci_res) { int ret;

@@ -3319,6 +3339,11 @@ static int sci_probe_single(struct platform_device *dev, if (ret) return ret;

+ sciport->port.dev = &dev->dev; + ret = devm_pm_runtime_enable(&dev->dev); + if (ret) + return ret; + sciport->gpios = mctrl_gpio_init(&sciport->port, 0); if (IS_ERR(sciport->gpios)) return PTR_ERR(sciport->gpios); @@ -3332,13 +3357,31 @@ static int sci_probe_single(struct platform_device *dev, sciport->port.flags |= UPF_HARD_FLOW; }

- ret = uart_add_one_port(&sci_uart_driver, &sciport->port); - if (ret) { - sci_cleanup_single(sciport); - return ret; + if (sci_uart_earlycon && sci_ports[0].port.mapbase == sci_res->start) { + /* + * In case: + * - this is the earlycon port (mapped on index 0 in sci_ports[]) and + * - it now maps to an alias other than zero and + * - the earlycon is still alive (e.g., "earlycon keep_bootcon" is + * available in bootargs) + * + * we need to avoid disabling clocks and PM domains through the runtime + * PM APIs called in __device_attach(). For this, increment the runtime + * PM reference counter (the clocks and PM domains were already enabled + * by the bootloader). Otherwise the earlycon may access the HW when it + * has no clocks enabled leading to failures (infinite loop in + * sci_poll_put_char()). + */ + pm_runtime_get_noresume(&dev->dev); + + /* + * Skip cleanup the sci_port[0] in early_console_exit(), this + * port is the same as the earlycon one. + */ + sci_uart_earlycon_dev_probing = true; }

- return 0; + return uart_add_one_port(&sci_uart_driver, &sciport->port); }

static int sci_probe(struct platform_device *dev) @@ -3396,7 +3439,7 @@ static int sci_probe(struct platform_device *dev)

platform_set_drvdata(dev, sp);

- ret = sci_probe_single(dev, dev_id, p, sp); + ret = sci_probe_single(dev, dev_id, p, sp, res); if (ret) return ret;

@@ -3479,6 +3522,22 @@ sh_early_platform_init_buffer("earlyprintk", &sci_driver, #ifdef CONFIG_SERIAL_SH_SCI_EARLYCON static struct plat_sci_port port_cfg;

+static int early_console_exit(struct console *co) +{ + struct sci_port *sci_port = &sci_ports[0]; + + /* + * Clean the slot used by earlycon. A new SCI device might + * map to this slot. + */ + if (!sci_uart_earlycon_dev_probing) { + memset(sci_port, 0, sizeof(*sci_port)); + sci_uart_earlycon = false; + } + + return 0; +} + static int __init early_console_setup(struct earlycon_device *device, int type) { @@ -3498,6 +3557,8 @@ static int __init early_console_setup(struct earlycon_device *device, SCSCR_RE | SCSCR_TE | port_cfg.scscr);

device->con->write = serial_console_write; + device->con->exit = early_console_exit; + return 0; } static int __init sci_early_console_setup(struct earlycon_device *device, diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index b10b86e2c17e..b62ab122fb4a 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -1104,8 +1104,6 @@ long vt_compat_ioctl(struct tty_struct *tty, case VT_WAITACTIVE: case VT_RELDISP: case VT_DISALLOCATE: - case VT_RESIZE: - case VT_RESIZEX: return vt_ioctl(tty, cmd, arg);

/* diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index 3343cac60737..67cfe838a787 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -288,13 +288,13 @@ hv_uio_probe(struct hv_device *dev, pdata->info.mem[INT_PAGE_MAP].name = "int_page"; pdata->info.mem[INT_PAGE_MAP].addr = (uintptr_t)vmbus_connection.int_page; - pdata->info.mem[INT_PAGE_MAP].size = PAGE_SIZE; + pdata->info.mem[INT_PAGE_MAP].size = HV_HYP_PAGE_SIZE; pdata->info.mem[INT_PAGE_MAP].memtype = UIO_MEM_LOGICAL;

pdata->info.mem[MON_PAGE_MAP].name = "monitor_page"; pdata->info.mem[MON_PAGE_MAP].addr = (uintptr_t)vmbus_connection.monitor_pages[1]; - pdata->info.mem[MON_PAGE_MAP].size = PAGE_SIZE; + pdata->info.mem[MON_PAGE_MAP].size = HV_HYP_PAGE_SIZE; pdata->info.mem[MON_PAGE_MAP].memtype = UIO_MEM_LOGICAL;

pdata->recv_buf = vzalloc(RECV_BUFFER_SIZE); diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index f76fedd8fa90..ff706f48e0ad 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -486,6 +486,7 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data, __u8 stb; int rv; long wait_rv; + unsigned long expire;

dev_dbg(dev, "Enter ioctl_read_stb iin_ep_present: %d\n", data->iin_ep_present); @@ -528,10 +529,11 @@ static int usbtmc488_ioctl_read_stb(struct usbtmc_file_data *file_data, }

if (data->iin_ep_present) { + expire = msecs_to_jiffies(file_data->timeout); wait_rv = wait_event_interruptible_timeout( data->waitq, atomic_read(&data->iin_data_valid) != 0, - file_data->timeout); + expire); if (wait_rv < 0) { dev_dbg(dev, "wait interrupted %ld\n", wait_rv); rv = wait_rv; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 29e8f4833124..b88e3a5e8616 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -6014,6 +6014,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) struct usb_hub *parent_hub; struct usb_hcd *hcd = bus_to_hcd(udev->bus); struct usb_device_descriptor descriptor; + struct usb_interface *intf; struct usb_host_bos *bos; int i, j, ret = 0; int port1 = udev->portnum; @@ -6074,6 +6075,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev) if (!udev->actconfig) goto done;

+ /* + * Some devices can't handle setting default altsetting 0 with a + * Set-Interface request. Disable host-side endpoints of those + * interfaces here. Enable and reset them back after host has set + * its internal endpoint structures during usb_hcd_alloc_bandwith() + */ + for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { + intf = udev->actconfig->interface[i]; + if (intf->cur_altsetting->desc.bAlternateSetting == 0) + usb_disable_interface(udev, intf, true); + } + mutex_lock(hcd->bandwidth_mutex); ret = usb_hcd_alloc_bandwidth(udev, udev->actconfig, NULL, NULL); if (ret < 0) { @@ -6105,12 +6118,11 @@ static int usb_reset_and_verify_device(struct usb_device *udev) */ for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { struct usb_host_config *config = udev->actconfig; - struct usb_interface *intf = config->interface[i]; struct usb_interface_descriptor *desc;

+ intf = config->interface[i]; desc = &intf->cur_altsetting->desc; if (desc->bAlternateSetting == 0) { - usb_disable_interface(udev, intf, true); usb_enable_interface(udev, intf, true); ret = 0; } else { diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d9936c530874..89ffadb1a4f0 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -369,6 +369,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* SanDisk Corp. SanDisk 3.2Gen1 */ { USB_DEVICE(0x0781, 0x55a3), .driver_info = USB_QUIRK_DELAY_INIT },

+ /* SanDisk Extreme 55AE */ + { USB_DEVICE(0x0781, 0x55ae), .driver_info = USB_QUIRK_NO_LPM }, + /* Realforce 87U Keyboard */ { USB_DEVICE(0x0853, 0x011b), .driver_info = USB_QUIRK_NO_LPM },

diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index ba018aeb21d8..2f30699f0426 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -114,8 +114,8 @@ static struct hid_descriptor hidg_desc = { .bcdHID = cpu_to_le16(0x0101), .bCountryCode = 0x00, .bNumDescriptors = 0x1, - /*.desc[0].bDescriptorType = DYNAMIC */ - /*.desc[0].wDescriptorLenght = DYNAMIC */ + /*.rpt_desc.bDescriptorType = DYNAMIC */ + /*.rpt_desc.wDescriptorLength = DYNAMIC */ };

/* Super-Speed Support */ @@ -724,8 +724,8 @@ static int hidg_setup(struct usb_function *f, struct hid_descriptor hidg_desc_copy = hidg_desc;

VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n"); - hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc_copy.desc[0].wDescriptorLength = + hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc_copy.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length);

length = min_t(unsigned short, length, @@ -966,8 +966,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) * We can use hidg_desc struct here but we should not relay * that its content won't change after returning from this function. */ - hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT; - hidg_desc.desc[0].wDescriptorLength = + hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT; + hidg_desc.rpt_desc.wDescriptorLength = cpu_to_le16(hidg->report_desc_length);

hidg_hs_in_ep_desc.bEndpointAddress = diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index df679908b8d2..23d160ef4cd2 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -678,10 +678,29 @@ static int usbhs_probe(struct platform_device *pdev) INIT_DELAYED_WORK(&priv->notify_hotplug_work, usbhsc_notify_hotplug); spin_lock_init(usbhs_priv_to_lock(priv));

+ /* + * Acquire clocks and enable power management (PM) early in the + * probe process, as the driver accesses registers during + * initialization. Ensure the device is active before proceeding. + */ + pm_runtime_enable(dev); + + ret = usbhsc_clk_get(dev, priv); + if (ret) + goto probe_pm_disable; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + goto probe_clk_put; + + ret = usbhsc_clk_prepare_enable(priv); + if (ret) + goto probe_pm_put; + /* call pipe and module init */ ret = usbhs_pipe_probe(priv); if (ret < 0) - return ret; + goto probe_clk_dis_unprepare;

ret = usbhs_fifo_probe(priv); if (ret < 0) @@ -698,10 +717,6 @@ static int usbhs_probe(struct platform_device *pdev) if (ret) goto probe_fail_rst;

- ret = usbhsc_clk_get(dev, priv); - if (ret) - goto probe_fail_clks; - /* * deviece reset here because * USB device might be used in boot loader. @@ -714,7 +729,7 @@ static int usbhs_probe(struct platform_device *pdev) if (ret) { dev_warn(dev, "USB function not selected (GPIO)\n"); ret = -ENOTSUPP; - goto probe_end_mod_exit; + goto probe_assert_rest; } }

@@ -728,14 +743,19 @@ static int usbhs_probe(struct platform_device *pdev) ret = usbhs_platform_call(priv, hardware_init, pdev); if (ret < 0) { dev_err(dev, "platform init failed.\n"); - goto probe_end_mod_exit; + goto probe_assert_rest; }

/* reset phy for connection */ usbhs_platform_call(priv, phy_reset, pdev);

- /* power control */ - pm_runtime_enable(dev); + /* + * Disable the clocks that were enabled earlier in the probe path, + * and let the driver handle the clocks beyond this point. + */ + usbhsc_clk_disable_unprepare(priv); + pm_runtime_put(dev); + if (!usbhs_get_dparam(priv, runtime_pwctrl)) { usbhsc_power_ctrl(priv, 1); usbhs_mod_autonomy_mode(priv); @@ -752,9 +772,7 @@ static int usbhs_probe(struct platform_device *pdev)

return ret;

-probe_end_mod_exit: - usbhsc_clk_put(priv); -probe_fail_clks: +probe_assert_rest: reset_control_assert(priv->rsts); probe_fail_rst: usbhs_mod_remove(priv); @@ -762,6 +780,14 @@ static int usbhs_probe(struct platform_device *pdev) usbhs_fifo_remove(priv); probe_end_pipe_exit: usbhs_pipe_remove(priv); +probe_clk_dis_unprepare: + usbhsc_clk_disable_unprepare(priv); +probe_pm_put: + pm_runtime_put(dev); +probe_clk_put: + usbhsc_clk_put(priv); +probe_pm_disable: + pm_runtime_disable(dev);

dev_info(dev, "probe failed (%d)\n", ret);

diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index d460d71b4257..1477e31d7763 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -52,6 +52,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),

+/* Reported-by: Zhihong Zhou zhouzhihong@greatwall.com.cn */ +UNUSUAL_DEV(0x0781, 0x55e8, 0x0000, 0x9999, + "SanDisk", + "", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_UAS), + /* Reported-by: Hongling Zeng zenghongling@kylinos.cn */ UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999, "Hiksemi", diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 9b01f88ae476..b2a543e7cac4 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -269,7 +269,7 @@ static int vfio_dma_bitmap_alloc_all(struct vfio_iommu *iommu, size_t pgsize) struct rb_node *p;

for (p = rb_prev(n); p; p = rb_prev(p)) { - struct vfio_dma *dma = rb_entry(n, + struct vfio_dma *dma = rb_entry(p, struct vfio_dma, node);

vfio_dma_bitmap_free(dma); diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c index 486d35da0150..54c4bb66009f 100644 --- a/drivers/video/backlight/qcom-wled.c +++ b/drivers/video/backlight/qcom-wled.c @@ -1404,9 +1404,11 @@ static int wled_configure(struct wled *wled) wled->ctrl_addr = be32_to_cpu(*prop_addr);

rc = of_property_read_string(dev->of_node, "label", &wled->name); - if (rc) + if (rc) { wled->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFn", dev->of_node); - + if (!wled->name) + return -ENOMEM; + } switch (wled->version) { case 3: u32_opts = wled3_opts; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 042e166d9268..ae555fa5f583 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1200,7 +1200,7 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b, c->vc_screenbuf_size - delta); c->vc_origin = vga_vram_end - c->vc_screenbuf_size; vga_rolled_over = 0; - } else + } else if (oldo - delta >= (unsigned long)c->vc_screenbuf) c->vc_origin -= delta; c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; scr_memsetw((u16 *) (c->vc_origin), c->vc_video_erase_char, diff --git a/drivers/video/fbdev/core/fbcvt.c b/drivers/video/fbdev/core/fbcvt.c index 64843464c661..cd3821bd82e5 100644 --- a/drivers/video/fbdev/core/fbcvt.c +++ b/drivers/video/fbdev/core/fbcvt.c @@ -312,7 +312,7 @@ int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb) cvt.f_refresh = cvt.refresh; cvt.interlace = 1;

- if (!cvt.xres || !cvt.yres || !cvt.refresh) { + if (!cvt.xres || !cvt.yres || !cvt.refresh || cvt.f_refresh > INT_MAX) { printk(KERN_INFO "fbcvt: Invalid input parameters\n"); return 1; } diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 1704deaf4152..285e6f5ae13c 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1062,8 +1062,10 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) !list_empty(&info->modelist)) ret = fb_add_videomode(&mode, &info->modelist);

- if (ret) + if (ret) { + info->var = old_var; return ret; + }

event.info = info; event.data = &mode; diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c index d708c091bf1b..180526220d8c 100644 --- a/drivers/watchdog/da9052_wdt.c +++ b/drivers/watchdog/da9052_wdt.c @@ -164,6 +164,7 @@ static int da9052_wdt_probe(struct platform_device *pdev) da9052_wdt = &driver_data->wdt;

da9052_wdt->timeout = DA9052_DEF_TIMEOUT; + da9052_wdt->min_hw_heartbeat_ms = DA9052_TWDMIN; da9052_wdt->info = &da9052_wdt_info; da9052_wdt->ops = &da9052_wdt_ops; da9052_wdt->parent = dev; diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 12388ed4faa5..fcacee2b3c0f 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -619,7 +619,7 @@ static int populate_attrs(struct config_item *item) break; } } - if (t->ct_bin_attrs) { + if (!error && t->ct_bin_attrs) { for (i = 0; (bin_attr = t->ct_bin_attrs[i]) != NULL; i++) { error = configfs_create_bin_file(item, bin_attr); if (error) diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c index 314d5407a1be..a75d5fb2404c 100644 --- a/fs/exfat/nls.c +++ b/fs/exfat/nls.c @@ -804,4 +804,5 @@ int exfat_create_upcase_table(struct super_block *sb) void exfat_free_upcase_table(struct exfat_sb_info *sbi) { kvfree(sbi->vol_utbl); + sbi->vol_utbl = NULL; } diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index fec021e6bb60..1dc1292d8977 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3229,6 +3229,13 @@ static inline unsigned int ext4_flex_bg_size(struct ext4_sb_info *sbi) return 1 << sbi->s_log_groups_per_flex; }

+static inline loff_t ext4_get_maxbytes(struct inode *inode) +{ + if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) + return inode->i_sb->s_maxbytes; + return EXT4_SB(inode->i_sb)->s_bitmap_maxbytes; +} + #define ext4_std_error(sb, errno) \ do { \ if ((errno)) \ diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index ffdc68b11c01..12da59c03c7c 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -1526,7 +1526,7 @@ static int ext4_ext_search_left(struct inode *inode, static int ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path, ext4_lblk_t *logical, ext4_fsblk_t *phys, - struct ext4_extent *ret_ex) + struct ext4_extent *ret_ex, int flags) { struct buffer_head *bh = NULL; struct ext4_extent_header *eh; @@ -1600,7 +1600,8 @@ static int ext4_ext_search_right(struct inode *inode, ix++; while (++depth < path->p_depth) { /* subtract from p_depth to get proper eh_depth */ - bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0); + bh = read_extent_tree_block(inode, ix, path->p_depth - depth, + flags); if (IS_ERR(bh)) return PTR_ERR(bh); eh = ext_block_hdr(bh); @@ -1608,7 +1609,7 @@ static int ext4_ext_search_right(struct inode *inode, put_bh(bh); }

- bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0); + bh = read_extent_tree_block(inode, ix, path->p_depth - depth, flags); if (IS_ERR(bh)) return PTR_ERR(bh); eh = ext_block_hdr(bh); @@ -2367,18 +2368,19 @@ int ext4_ext_calc_credits_for_single_extent(struct inode *inode, int nrblocks, int ext4_ext_index_trans_blocks(struct inode *inode, int extents) { int index; - int depth;

/* If we are converting the inline data, only one is needed here. */ if (ext4_has_inline_data(inode)) return 1;

- depth = ext_depth(inode); - + /* + * Extent tree can change between the time we estimate credits and + * the time we actually modify the tree. Assume the worst case. + */ if (extents <= 1) - index = depth * 2; + index = EXT4_MAX_EXTENT_DEPTH * 2; else - index = depth * 3; + index = EXT4_MAX_EXTENT_DEPTH * 3;

return index; } @@ -2793,6 +2795,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, struct partial_cluster partial; handle_t *handle; int i = 0, err = 0; + int flags = EXT4_EX_NOCACHE | EXT4_EX_NOFAIL;

partial.pclu = 0; partial.lblk = 0; @@ -2823,8 +2826,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, ext4_fsblk_t pblk;

/* find extent for or closest extent to this block */ - path = ext4_find_extent(inode, end, NULL, - EXT4_EX_NOCACHE | EXT4_EX_NOFAIL); + path = ext4_find_extent(inode, end, NULL, flags); if (IS_ERR(path)) { ext4_journal_stop(handle); return PTR_ERR(path); @@ -2889,7 +2891,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, */ lblk = ex_end + 1; err = ext4_ext_search_right(inode, path, &lblk, &pblk, - NULL); + NULL, flags); if (err < 0) goto out; if (pblk) { @@ -2966,8 +2968,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, i + 1, ext4_idx_pblock(path[i].p_idx)); memset(path + i + 1, 0, sizeof(*path)); bh = read_extent_tree_block(inode, path[i].p_idx, - depth - i - 1, - EXT4_EX_NOCACHE); + depth - i - 1, flags); if (IS_ERR(bh)) { /* should we reset i_size? */ err = PTR_ERR(bh); @@ -4269,7 +4270,8 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, if (err) goto out; ar.lright = map->m_lblk; - err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright, &ex2); + err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright, + &ex2, 0); if (err < 0) goto out;

@@ -4969,12 +4971,7 @@ static const struct iomap_ops ext4_iomap_xattr_ops = {

static int ext4_fiemap_check_ranges(struct inode *inode, u64 start, u64 *len) { - u64 maxbytes; - - if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) - maxbytes = inode->i_sb->s_maxbytes; - else - maxbytes = EXT4_SB(inode->i_sb)->s_bitmap_maxbytes; + u64 maxbytes = ext4_get_maxbytes(inode);

if (*len == 0) return -EINVAL; @@ -5037,7 +5034,9 @@ int ext4_get_es_cache(struct inode *inode, struct fiemap_extent_info *fieinfo, }

if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { + inode_lock_shared(inode); error = ext4_ext_precache(inode); + inode_unlock_shared(inode); if (error) return error; fieinfo->fi_flags &= ~FIEMAP_FLAG_CACHE; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index c78df91f17da..bbed22731ac9 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -858,12 +858,7 @@ static int ext4_file_open(struct inode *inode, struct file *filp) loff_t ext4_llseek(struct file *file, loff_t offset, int whence) { struct inode *inode = file->f_mapping->host; - loff_t maxbytes; - - if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) - maxbytes = EXT4_SB(inode->i_sb)->s_bitmap_maxbytes; - else - maxbytes = inode->i_sb->s_maxbytes; + loff_t maxbytes = ext4_get_maxbytes(inode);

switch (whence) { default: diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index da1ca9e0869f..8ccbb3703954 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -389,7 +389,7 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode, }

static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode, - unsigned int len) + loff_t len) { int ret, size, no_expand; struct ext4_inode_info *ei = EXT4_I(inode); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 15d020279d3b..ef39d6b141a6 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4868,7 +4868,8 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, ei->i_file_acl |= ((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32; inode->i_size = ext4_isize(sb, raw_inode); - if ((size = i_size_read(inode)) < 0) { + size = i_size_read(inode); + if (size < 0 || size > ext4_get_maxbytes(inode)) { ext4_error_inode(inode, function, line, 0, "iget: bad i_size value: %lld", size); ret = -EFSCORRUPTED; diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 56829507e68c..b6da12b4c8a8 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -1139,8 +1139,14 @@ static long __ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return 0; } case EXT4_IOC_PRECACHE_EXTENTS: - return ext4_ext_precache(inode); + { + int ret;

+ inode_lock_shared(inode); + ret = ext4_ext_precache(inode); + inode_unlock_shared(inode); + return ret; + } case FS_IOC_SET_ENCRYPTION_POLICY: if (!ext4_has_feature_encrypt(sb)) return -EOPNOTSUPP; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 1b764f70b70e..9eb20211619d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -77,7 +77,7 @@ static bool __is_cp_guaranteed(struct page *page) struct inode *inode; struct f2fs_sb_info *sbi;

- if (!mapping) + if (fscrypt_is_bounce_page(page)) return false;

if (f2fs_is_compressed_page(page)) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 10231d5bba15..4e42ca56da86 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2076,8 +2076,14 @@ static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;

spin_lock(&sbi->stat_lock); - f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); - sbi->total_valid_block_count -= (block_t)count; + if (unlikely(sbi->total_valid_block_count < count)) { + f2fs_warn(sbi, "Inconsistent total_valid_block_count:%u, ino:%lu, count:%u", + sbi->total_valid_block_count, inode->i_ino, count); + sbi->total_valid_block_count = 0; + set_sbi_flag(sbi, SBI_NEED_FSCK); + } else { + sbi->total_valid_block_count -= count; + } if (sbi->reserved_blocks && sbi->current_reserved_blocks < sbi->reserved_blocks) sbi->current_reserved_blocks = min(sbi->reserved_blocks, diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 56d23bc25435..7be488ecb210 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -396,7 +396,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,

if (is_inode_flag_set(dir, FI_PROJ_INHERIT) && (!projid_eq(F2FS_I(dir)->i_projid, - F2FS_I(old_dentry->d_inode)->i_projid))) + F2FS_I(inode)->i_projid))) return -EXDEV;

err = dquot_initialize(dir); @@ -606,6 +606,15 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) goto fail; }

+ if (unlikely(inode->i_nlink == 0)) { + f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink", + __func__, inode->i_ino); + err = -EFSCORRUPTED; + set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK); + f2fs_put_page(page, 0); + goto fail; + } + f2fs_balance_fs(sbi, true);

f2fs_lock_op(sbi); @@ -932,7 +941,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,

if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && (!projid_eq(F2FS_I(new_dir)->i_projid, - F2FS_I(old_dentry->d_inode)->i_projid))) + F2FS_I(old_inode)->i_projid))) return -EXDEV;

/* @@ -1122,10 +1131,10 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,

if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && !projid_eq(F2FS_I(new_dir)->i_projid, - F2FS_I(old_dentry->d_inode)->i_projid)) || - (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) && + F2FS_I(old_inode)->i_projid)) || + (is_inode_flag_set(old_dir, FI_PROJ_INHERIT) && !projid_eq(F2FS_I(old_dir)->i_projid, - F2FS_I(new_dentry->d_inode)->i_projid))) + F2FS_I(new_inode)->i_projid))) return -EXDEV;

err = dquot_initialize(old_dir); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 9afbb51bd678..b7997df291a6 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1507,9 +1507,9 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_fsid = u64_to_fsid(id);

#ifdef CONFIG_QUOTA - if (is_inode_flag_set(dentry->d_inode, FI_PROJ_INHERIT) && + if (is_inode_flag_set(d_inode(dentry), FI_PROJ_INHERIT) && sb_has_quota_limits_enabled(sb, PRJQUOTA)) { - f2fs_statfs_project(sb, F2FS_I(dentry->d_inode)->i_projid, buf); + f2fs_statfs_project(sb, F2FS_I(d_inode(dentry))->i_projid, buf); } #endif return 0; @@ -3017,6 +3017,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) block_t user_block_count, valid_user_blocks; block_t avail_node_count, valid_node_count; unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks; + unsigned int sit_blk_cnt; int i, j;

total = le32_to_cpu(raw_super->segment_count); @@ -3118,6 +3119,13 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) return 1; }

+ sit_blk_cnt = DIV_ROUND_UP(main_segs, SIT_ENTRY_PER_BLOCK); + if (sit_bitmap_size * 8 < sit_blk_cnt) { + f2fs_err(sbi, "Wrong bitmap size: sit: %u, sit_blk_cnt:%u", + sit_bitmap_size, sit_blk_cnt); + return 1; + } + cp_pack_start_sum = __start_sum_addr(sbi); cp_payload = __cp_payload(sbi); if (cp_pack_start_sum < cp_payload + 1 || diff --git a/fs/filesystems.c b/fs/filesystems.c index 90b8d879fbaf..1ab8eb5edf28 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -156,15 +156,19 @@ static int fs_index(const char __user * __name) static int fs_name(unsigned int index, char __user * buf) { struct file_system_type * tmp; - int len, res; + int len, res = -EINVAL;

read_lock(&file_systems_lock); - for (tmp = file_systems; tmp; tmp = tmp->next, index--) - if (index <= 0 && try_module_get(tmp->owner)) + for (tmp = file_systems; tmp; tmp = tmp->next, index--) { + if (index == 0) { + if (try_module_get(tmp->owner)) + res = 0; break; + } + } read_unlock(&file_systems_lock); - if (!tmp) - return -EINVAL; + if (res) + return res;

/* OK, we got the reference, so we can safely block */ len = strlen(tmp->name) + 1; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 22905a076a6a..f266dec20517 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -636,7 +636,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (!IS_ERR(inode)) { if (S_ISDIR(inode->i_mode)) { iput(inode); - inode = ERR_PTR(-EISDIR); + inode = NULL; + error = -EISDIR; goto fail_gunlock; } d_instantiate(dentry, inode); diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c index 5564aa8b4592..432d32c7c479 100644 --- a/fs/gfs2/lock_dlm.c +++ b/fs/gfs2/lock_dlm.c @@ -939,14 +939,15 @@ static int control_mount(struct gfs2_sbd *sdp) if (sdp->sd_args.ar_spectator) { fs_info(sdp, "Recovery is required. Waiting for a " "non-spectator to mount.\n"); + spin_unlock(&ls->ls_recover_spin); msleep_interruptible(1000); } else { fs_info(sdp, "control_mount wait1 block %u start %u " "mount %u lvb %u flags %lx\n", block_gen, start_gen, mount_gen, lvb_gen, ls->ls_recover_flags); + spin_unlock(&ls->ls_recover_spin); } - spin_unlock(&ls->ls_recover_spin); goto restart; }

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 1baf2d607268..c2241469cf90 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1492,7 +1492,7 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) jh->b_next_transaction == transaction); spin_unlock(&jh->b_state_lock); } - if (jh->b_modified == 1) { + if (data_race(jh->b_modified == 1)) { /* If it's in our transaction it must be in BJ_Metadata list. */ if (data_race(jh->b_transaction == transaction && jh->b_jlist != BJ_Metadata)) { @@ -1511,7 +1511,6 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) goto out; }

- journal = transaction->t_journal; spin_lock(&jh->b_state_lock);

if (is_handle_aborted(handle)) { @@ -1526,6 +1525,8 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh) goto out_unlock_bh; }

+ journal = transaction->t_journal; + if (jh->b_modified == 0) { /* * This buffer's got modified and becoming part diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index 5fbaf6ab9f48..796dd3807a5d 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -427,7 +427,9 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb .totlen = cpu_to_je32(c->cleanmarker_size) };

- jffs2_prealloc_raw_node_refs(c, jeb, 1); + ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); + if (ret) + goto filebad;

marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));

diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 29671e33a171..62879c218d4b 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -256,7 +256,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)

jffs2_dbg(1, "%s(): Skipping %d bytes in nextblock to ensure page alignment\n", __func__, skip); - jffs2_prealloc_raw_node_refs(c, c->nextblock, 1); + ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1); + if (ret) + goto out; jffs2_scan_dirty_space(c, c->nextblock, skip); } #endif diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c index 4fe64519870f..d83372d3e1a0 100644 --- a/fs/jffs2/summary.c +++ b/fs/jffs2/summary.c @@ -858,7 +858,10 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) spin_unlock(&c->erase_completion_lock);

jeb = c->nextblock; - jffs2_prealloc_raw_node_refs(c, jeb, 1); + ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); + + if (ret) + goto out;

if (!c->summary->sum_num || !c->summary->sum_list_head) { JFFS2_WARNING("Empty summary info!!!\n"); @@ -872,6 +875,8 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) datasize += padsize;

ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize); + +out: spin_lock(&c->erase_completion_lock); return ret; } diff --git a/fs/jfs/jfs_discard.c b/fs/jfs/jfs_discard.c index 5f4b305030ad..4b660296caf3 100644 --- a/fs/jfs/jfs_discard.c +++ b/fs/jfs/jfs_discard.c @@ -86,7 +86,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) down_read(&sb->s_umount); bmp = JFS_SBI(ip->i_sb)->bmap;

- if (minlen > bmp->db_agsize || + if (bmp == NULL || + minlen > bmp->db_agsize || start >= bmp->db_mapsize || range->len < sb->s_blocksize) { up_read(&sb->s_umount); diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c index 417d1c2fc291..27ca98614b0b 100644 --- a/fs/jfs/jfs_dtree.c +++ b/fs/jfs/jfs_dtree.c @@ -2909,7 +2909,7 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot) * fsck.jfs should really fix this, but it currently does not. * Called from jfs_readdir when bad index is detected. */ -static void add_missing_indices(struct inode *inode, s64 bn) +static int add_missing_indices(struct inode *inode, s64 bn) { struct ldtentry *d; struct dt_lock *dtlck; @@ -2918,7 +2918,7 @@ static void add_missing_indices(struct inode *inode, s64 bn) struct lv *lv; struct metapage *mp; dtpage_t *p; - int rc; + int rc = 0; s8 *stbl; tid_t tid; struct tlock *tlck; @@ -2943,6 +2943,16 @@ static void add_missing_indices(struct inode *inode, s64 bn)

stbl = DT_GETSTBL(p); for (i = 0; i < p->header.nextindex; i++) { + if (stbl[i] < 0) { + jfs_err("jfs: add_missing_indices: Invalid stbl[%d] = %d for inode %ld, block = %lld", + i, stbl[i], (long)inode->i_ino, (long long)bn); + rc = -EIO; + + DT_PUTPAGE(mp); + txAbort(tid, 0); + goto end; + } + d = (struct ldtentry *) &p->slot[stbl[i]]; index = le32_to_cpu(d->index); if ((index < 2) || (index >= JFS_IP(inode)->next_index)) { @@ -2960,6 +2970,7 @@ static void add_missing_indices(struct inode *inode, s64 bn) (void) txCommit(tid, 1, &inode, 0); end: txEnd(tid); + return rc; }

/* @@ -3313,7 +3324,8 @@ int jfs_readdir(struct file *file, struct dir_context *ctx) }

if (fix_page) { - add_missing_indices(ip, bn); + if ((rc = add_missing_indices(ip, bn))) + goto out; page_fixed = 1; }

diff --git a/fs/namespace.c b/fs/namespace.c index 869cc6e06d88..2d5af6653cd1 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2308,6 +2308,10 @@ static int do_change_type(struct path *path, int ms_flags) return -EINVAL;

namespace_lock(); + if (!check_mnt(mnt)) { + err = -EINVAL; + goto out_unlock; + } if (type == MS_SHARED) { err = invent_group_ids(mnt, recurse); if (err) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2d2238548a6e..7c58a1688f7f 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1000,6 +1000,16 @@ int nfs_reconfigure(struct fs_context *fc)

sync_filesystem(sb);

+ /* + * The SB_RDONLY flag has been removed from the superblock during + * mounts to prevent interference between different filesystems. + * Similarly, it is also necessary to ignore the SB_RDONLY flag + * during reconfiguration; otherwise, it may also result in the + * creation of redundant superblocks when mounting a directory with + * different rw and ro flags multiple times. + */ + fc->sb_flags_mask &= ~SB_RDONLY; + /* * Userspace mount programs that send binary options generally send * them populated with default values. We have no way to know which @@ -1248,8 +1258,17 @@ int nfs_get_tree_common(struct fs_context *fc) if (IS_ERR(server)) return PTR_ERR(server);

+ /* + * When NFS_MOUNT_UNSHARED is not set, NFS forces the sharing of a + * superblock among each filesystem that mounts sub-directories + * belonging to a single exported root path. + * To prevent interference between different filesystems, the + * SB_RDONLY flag should be removed from the superblock. + */ if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; + else + fc->sb_flags &= ~SB_RDONLY;

/* -o noac implies -o sync */ if (server->flags & NFS_MOUNT_NOAC) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 8cf0e4e62bc8..1da06a15b13f 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -3537,7 +3537,8 @@ bool nfsd4_spo_must_allow(struct svc_rqst *rqstp) struct nfs4_op_map *allow = &cstate->clp->cl_spo_must_allow; u32 opiter;

- if (!cstate->minorversion) + if (rqstp->rq_procinfo != &nfsd_version4.vs_proc[NFSPROC4_COMPOUND] || + cstate->minorversion == 0) return false;

if (cstate->spo_must_allowed) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 29eb9861684e..b71af165b577 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -427,13 +427,13 @@ static int nfsd_startup_net(struct net *net, const struct cred *cred) if (ret) goto out_filecache;

+#ifdef CONFIG_NFSD_V4_2_INTER_SSC + nfsd4_ssc_init_umount_work(nn); +#endif ret = nfs4_state_start_net(net); if (ret) goto out_reply_cache;

-#ifdef CONFIG_NFSD_V4_2_INTER_SSC - nfsd4_ssc_init_umount_work(nn); -#endif nn->nfsd_net_up = true; return 0;

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 7c9f4d79bdbc..4a5e8495fa67 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -2097,11 +2097,13 @@ static int nilfs_btree_propagate(struct nilfs_bmap *btree,

ret = nilfs_btree_do_lookup(btree, path, key, NULL, level + 1, 0); if (ret < 0) { - if (unlikely(ret == -ENOENT)) + if (unlikely(ret == -ENOENT)) { nilfs_crit(btree->b_inode->i_sb, "writing node/leaf block does not appear in b-tree (ino=%lu) at key=%llu, level=%d", btree->b_inode->i_ino, (unsigned long long)key, level); + ret = -EINVAL; + } goto out; }

diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c index 7faf8c285d6c..a72371cd6b95 100644 --- a/fs/nilfs2/direct.c +++ b/fs/nilfs2/direct.c @@ -273,6 +273,9 @@ static int nilfs_direct_propagate(struct nilfs_bmap *bmap, dat = nilfs_bmap_get_dat(bmap); key = nilfs_bmap_data_get_key(bmap, bh); ptr = nilfs_direct_get_ptr(bmap, key); + if (ptr == NILFS_BMAP_INVALID_PTR) + return -EINVAL; + if (!buffer_nilfs_volatile(bh)) { oldreq.pr_entry_nr = ptr; newreq.pr_entry_nr = ptr; diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 88cc94be1076..5a47b5c2fdc0 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -86,6 +86,11 @@ static int squashfs_fill_super(struct super_block *sb, struct fs_context *fc) msblk = sb->s_fs_info;

msblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE); + if (!msblk->devblksize) { + errorf(fc, "squashfs: unable to set blocksize\n"); + return -EINVAL; + } + msblk->devblksize_log2 = ffz(~msblk->devblksize);

mutex_init(&msblk->meta_index_mutex); diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 7334037624c5..a2bf54fb946a 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -524,7 +524,7 @@ typedef u64 acpi_integer;

/* Support for the special RSDP signature (8 characters) */

-#define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) +#define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, (sizeof(a) < 8) ? ACPI_NAMESEG_SIZE : 8)) #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))

/* Support for OEMx signature (x can be any character) */ diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h index 255701e1251b..f652a5028b59 100644 --- a/include/linux/arm_sdei.h +++ b/include/linux/arm_sdei.h @@ -46,12 +46,12 @@ int sdei_unregister_ghes(struct ghes *ghes); /* For use by arch code when CPU hotplug notifiers are not appropriate. */ int sdei_mask_local_cpu(void); int sdei_unmask_local_cpu(void); -void __init sdei_init(void); +void __init acpi_sdei_init(void); void sdei_handler_abort(void); #else static inline int sdei_mask_local_cpu(void) { return 0; } static inline int sdei_unmask_local_cpu(void) { return 0; } -static inline void sdei_init(void) { } +static inline void acpi_sdei_init(void) { } static inline void sdei_handler_abort(void) { } #endif /* CONFIG_ARM_SDE_INTERFACE */

diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index 5d5ff2203fa2..bc24d19ec2b3 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -248,6 +248,12 @@ static inline void atm_account_tx(struct atm_vcc *vcc, struct sk_buff *skb) ATM_SKB(skb)->atm_options = vcc->atm_options; }

+static inline void atm_return_tx(struct atm_vcc *vcc, struct sk_buff *skb) +{ + WARN_ON_ONCE(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, + &sk_atm(vcc)->sk_wmem_alloc)); +} + static inline void atm_force_charge(struct atm_vcc *vcc,int truesize) { atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 340f4fef5b5a..5d5d0bc7ca50 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1793,7 +1793,7 @@ static inline void bpf_map_offload_map_free(struct bpf_map *map) } #endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */

-#if defined(CONFIG_BPF_STREAM_PARSER) +#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog, struct bpf_prog *old, u32 which); int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog); @@ -1802,7 +1802,18 @@ int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value, u64 fl void sock_map_unhash(struct sock *sk); void sock_map_destroy(struct sock *sk); void sock_map_close(struct sock *sk, long timeout); + +void bpf_sk_reuseport_detach(struct sock *sk); +int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, + void *value); +int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key, + void *value, u64 map_flags); #else +static inline void bpf_sk_reuseport_detach(struct sock *sk) +{ +} + +#ifdef CONFIG_BPF_SYSCALL static inline int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog, struct bpf_prog *old, u32 which) @@ -1827,20 +1838,7 @@ static inline int sock_map_update_elem_sys(struct bpf_map *map, void *key, void { return -EOPNOTSUPP; } -#endif /* CONFIG_BPF_STREAM_PARSER */

-#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) -void bpf_sk_reuseport_detach(struct sock *sk); -int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, - void *value); -int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key, - void *value, u64 map_flags); -#else -static inline void bpf_sk_reuseport_detach(struct sock *sk) -{ -} - -#ifdef CONFIG_BPF_SYSCALL static inline int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, void *value) { diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index a8137bb6dd3c..2bb5801b5887 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -103,10 +103,6 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_HASH_OF_MAPS, htab_of_maps_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP, dev_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP_HASH, dev_map_hash_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_SK_STORAGE, sk_storage_map_ops) -#if defined(CONFIG_BPF_STREAM_PARSER) -BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKMAP, sock_map_ops) -BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKHASH, sock_hash_ops) -#endif #ifdef CONFIG_BPF_LSM BPF_MAP_TYPE(BPF_MAP_TYPE_INODE_STORAGE, inode_storage_map_ops) #endif @@ -115,6 +111,8 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_CPUMAP, cpu_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_XSKMAP, xsk_map_ops) #endif #ifdef CONFIG_INET +BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKMAP, sock_map_ops) +BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKHASH, sock_hash_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, reuseport_array_ops) #endif #endif diff --git a/include/linux/hid.h b/include/linux/hid.h index 9e306bf9959d..03627c96d814 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -674,8 +674,9 @@ struct hid_descriptor { __le16 bcdHID; __u8 bCountryCode; __u8 bNumDescriptors; + struct hid_class_descriptor rpt_desc;

- struct hid_class_descriptor desc[1]; + struct hid_class_descriptor opt_descs[]; } __attribute__ ((packed));

#define HID_DEVICE(b, g, ven, prod) \ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 90c66b9458c3..1c03935aa3d1 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -188,6 +188,8 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot);

bool is_hugetlb_entry_migration(pte_t pte); +void hugetlb_unshare_all_pmds(struct vm_area_struct *vma); +void hugetlb_split(struct vm_area_struct *vma, unsigned long addr);

#else /* !CONFIG_HUGETLB_PAGE */

@@ -369,6 +371,10 @@ static inline vm_fault_t hugetlb_fault(struct mm_struct *mm, return 0; }

+static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { } + +static inline void hugetlb_split(struct vm_area_struct *vma, unsigned long addr) {} + #endif /* !CONFIG_HUGETLB_PAGE */ /* * hugepages at page global directory. If arch support diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 56cb2fbc496e..0737d5fc35c7 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -390,6 +390,7 @@ struct mlx5_core_rsc_common { enum mlx5_res_type res; refcount_t refcount; struct completion free; + bool invalid; };

struct mlx5_uars_page { diff --git a/include/linux/mm.h b/include/linux/mm.h index 94e630862d58..e159a11424f1 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2318,6 +2318,9 @@ static inline bool pgtable_pmd_page_ctor(struct page *page) if (!pmd_ptlock_init(page)) return false; __SetPageTable(page); +#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE + atomic_set(&page->pt_share_count, 0); +#endif inc_zone_page_state(page, NR_PAGETABLE); return true; } diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 4eb38918da8f..b6cf570dc98c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -151,6 +151,9 @@ struct page { union { struct mm_struct *pt_mm; /* x86 pgds only */ atomic_t pt_frag_refcount; /* powerpc */ +#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE + atomic_t pt_share_count; +#endif }; #if ALLOC_SPLIT_PTLOCKS spinlock_t *ptl; diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 49db90cfe375..e9e9fabbfedd 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -71,7 +71,9 @@ struct sk_psock_link { };

struct sk_psock_parser { +#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER) struct strparser strp; +#endif bool enabled; void (*saved_data_ready)(struct sock *sk); }; @@ -307,9 +309,25 @@ static inline void sk_psock_report_error(struct sk_psock *psock, int err)

struct sk_psock *sk_psock_init(struct sock *sk, int node);

+#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER) int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock); void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock); void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock); +#else +static inline int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock) +{ + return -EOPNOTSUPP; +} + +static inline void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock) +{ +} + +static inline void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock) +{ +} +#endif + void sk_psock_start_verdict(struct sock *sk, struct sk_psock *psock); void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock);

diff --git a/include/net/checksum.h b/include/net/checksum.h index 8b7d0c31598f..5b6a87f5486a 100644 --- a/include/net/checksum.h +++ b/include/net/checksum.h @@ -152,7 +152,7 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb, const __be32 *from, const __be32 *to, bool pseudohdr); void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb, - __wsum diff, bool pseudohdr); + __wsum diff, bool pseudohdr, bool ipv6);

static __always_inline void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb, diff --git a/include/net/sock.h b/include/net/sock.h index 548f9aab9aa1..bc9a1e535d58 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1226,7 +1226,7 @@ struct proto { #endif

bool (*stream_memory_free)(const struct sock *sk, int wake); - bool (*stream_memory_read)(const struct sock *sk); + bool (*sock_is_readable)(struct sock *sk); /* Memory pressure */ void (*enter_memory_pressure)(struct sock *sk); void (*leave_memory_pressure)(struct sock *sk); @@ -2825,4 +2825,13 @@ void sock_set_sndtimeo(struct sock *sk, s64 secs);

int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);

+static inline bool sk_is_readable(struct sock *sk) +{ + const struct proto *prot = READ_ONCE(sk->sk_prot); + + if (prot->sock_is_readable) + return prot->sock_is_readable(sk); + + return false; +} #endif /* _SOCK_H */ diff --git a/include/net/tcp.h b/include/net/tcp.h index 2aad2e79ac6a..4c87936a33d6 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1445,6 +1445,18 @@ static inline bool tcp_rmem_pressure(const struct sock *sk) return atomic_read(&sk->sk_rmem_alloc) > threshold; }

+static inline bool tcp_epollin_ready(const struct sock *sk, int target) +{ + const struct tcp_sock *tp = tcp_sk(sk); + int avail = READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq); + + if (avail <= 0) + return false; + + return (avail >= target) || tcp_rmem_pressure(sk) || + (tcp_receive_window(tp) <= inet_csk(sk)->icsk_ack.rcv_mss); +} + extern void tcp_openreq_init_rwin(struct request_sock *req, const struct sock *sk_listener, const struct dst_entry *dst); @@ -2262,25 +2274,27 @@ void tcp_update_ulp(struct sock *sk, struct proto *p, __MODULE_INFO(alias, alias_userspace, name); \ __MODULE_INFO(alias, alias_tcp_ulp, "tcp-ulp-" name)

+#ifdef CONFIG_NET_SOCK_MSG struct sk_msg; struct sk_psock;

-#ifdef CONFIG_BPF_STREAM_PARSER +#ifdef CONFIG_BPF_SYSCALL struct proto *tcp_bpf_get_proto(struct sock *sk, struct sk_psock *psock); void tcp_bpf_clone(const struct sock *sk, struct sock *newsk); -#else -static inline void tcp_bpf_clone(const struct sock *sk, struct sock *newsk) -{ -} -#endif /* CONFIG_BPF_STREAM_PARSER */ +#endif /* CONFIG_BPF_SYSCALL */

-#ifdef CONFIG_NET_SOCK_MSG int tcp_bpf_sendmsg_redir(struct sock *sk, struct sk_msg *msg, u32 bytes, int flags); int __tcp_bpf_recvmsg(struct sock *sk, struct sk_psock *psock, struct msghdr *msg, int len, int flags); #endif /* CONFIG_NET_SOCK_MSG */

+#if !defined(CONFIG_BPF_SYSCALL) || !defined(CONFIG_NET_SOCK_MSG) +static inline void tcp_bpf_clone(const struct sock *sk, struct sock *newsk) +{ +} +#endif + #ifdef CONFIG_CGROUP_BPF static inline void bpf_skops_init_skb(struct bpf_sock_ops_kern *skops, struct sk_buff *skb, diff --git a/include/net/tls.h b/include/net/tls.h index d9cb597cab46..c76a827a678a 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -377,7 +377,7 @@ void tls_sw_release_resources_rx(struct sock *sk); void tls_sw_free_ctx_rx(struct tls_context *tls_ctx); int tls_sw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int flags, int *addr_len); -bool tls_sw_stream_read(const struct sock *sk); +bool tls_sw_sock_is_readable(struct sock *sk); ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags); diff --git a/include/net/udp.h b/include/net/udp.h index e2550a4547a7..db599b15b630 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -514,9 +514,9 @@ static inline struct sk_buff *udp_rcv_segment(struct sock *sk, return segs; }

-#ifdef CONFIG_BPF_STREAM_PARSER +#ifdef CONFIG_BPF_SYSCALL struct sk_psock; struct proto *udp_bpf_get_proto(struct sock *sk, struct sk_psock *psock); -#endif /* BPF_STREAM_PARSER */ +#endif

#endif /* _UDP_H */ diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h index db4f2cec8360..0e02e6460fd7 100644 --- a/include/trace/events/erofs.h +++ b/include/trace/events/erofs.h @@ -235,24 +235,6 @@ DEFINE_EVENT(erofs__map_blocks_exit, z_erofs_map_blocks_iter_exit, TP_ARGS(inode, map, flags, ret) );

-TRACE_EVENT(erofs_destroy_inode, - TP_PROTO(struct inode *inode), - - TP_ARGS(inode), - - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( erofs_nid_t, nid ) - ), - - TP_fast_assign( - __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_I(inode)->nid; - ), - - TP_printk("dev = (%d,%d), nid = %llu", show_dev_nid(__entry)) -); - #endif /* _TRACE_EROFS_H */

/* This part must be outside protection */ diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 29cc0eb2e488..2292fb44bbac 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -909,6 +909,7 @@ union bpf_attr { * for updates resulting in a null checksum the value is set to * **CSUM_MANGLED_0** instead. Flag **BPF_F_PSEUDO_HDR** indicates * the checksum is to be computed against a pseudo-header. + * Flag **BPF_F_IPV6** should be set for IPv6 packets. * * This helper works in combination with **bpf_csum_diff**\ (), * which does not update the checksum in-place, but offers more @@ -3937,6 +3938,7 @@ enum { BPF_F_PSEUDO_HDR = (1ULL << 4), BPF_F_MARK_MANGLED_0 = (1ULL << 5), BPF_F_MARK_ENFORCE = (1ULL << 6), + BPF_F_IPV6 = (1ULL << 7), };

/* BPF_FUNC_clone_redirect and BPF_FUNC_redirect flags. */ diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 1bbd81f031fe..1ee25344c076 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -153,10 +153,18 @@ enum v4l2_buf_type { V4L2_BUF_TYPE_SDR_OUTPUT = 12, V4L2_BUF_TYPE_META_CAPTURE = 13, V4L2_BUF_TYPE_META_OUTPUT = 14, + /* + * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must + * be updated if a new type is added. + */ /* Deprecated, do not use */ V4L2_BUF_TYPE_PRIVATE = 0x80, };

+#define V4L2_TYPE_IS_VALID(type) \ + ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\ + (type) <= V4L2_BUF_TYPE_META_OUTPUT) + #define V4L2_TYPE_IS_MULTIPLANAR(type) \ ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) @@ -164,14 +172,14 @@ enum v4l2_buf_type { #define V4L2_TYPE_IS_OUTPUT(type) \ ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ - || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ || (type) == V4L2_BUF_TYPE_META_OUTPUT)

-#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) +#define V4L2_TYPE_IS_CAPTURE(type) \ + (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))

enum v4l2_tuner_type { V4L2_TUNER_RADIO = 1, diff --git a/init/Kconfig b/init/Kconfig index 233166e54df3..a6a4eaec73c8 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1720,6 +1720,7 @@ config BPF_SYSCALL select BPF select IRQ_WORK select TASKS_TRACE_RCU + select NET_SOCK_MSG if INET default n help Enable the bpf() system call that allows to manipulate eBPF diff --git a/ipc/shm.c b/ipc/shm.c index b418731d66e8..323a5810a947 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -417,8 +417,11 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data) void shm_destroy_orphaned(struct ipc_namespace *ns) { down_write(&shm_ids(ns).rwsem); - if (shm_ids(ns).in_use) + if (shm_ids(ns).in_use) { + rcu_read_lock(); idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns); + rcu_read_unlock(); + } up_write(&shm_ids(ns).rwsem); }

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index e6d50e371a2b..75251870430e 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1796,12 +1796,29 @@ static int push_jmp_history(struct bpf_verifier_env *env,

/* Backtrack one insn at a time. If idx is not at the top of recorded * history then previous instruction came from straight line execution. + * Return -ENOENT if we exhausted all instructions within given state. + * + * It's legal to have a bit of a looping with the same starting and ending + * insn index within the same state, e.g.: 3->4->5->3, so just because current + * instruction index is the same as state's first_idx doesn't mean we are + * done. If there is still some jump history left, we should keep going. We + * need to take into account that we might have a jump history between given + * state's parent and itself, due to checkpointing. In this case, we'll have + * history entry recording a jump from last instruction of parent state and + * first instruction of given state. */ static int get_prev_insn_idx(struct bpf_verifier_state *st, int i, u32 *history) { u32 cnt = *history;

+ if (i == st->first_insn_idx) { + if (cnt == 0) + return -ENOENT; + if (cnt == 1 && st->jmp_history[0].idx == i) + return -ENOENT; + } + if (cnt && st->jmp_history[cnt - 1].idx == i) { i = st->jmp_history[cnt - 1].prev_idx; (*history)--; @@ -2269,9 +2286,9 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int frame, int r * Nothing to be tracked further in the parent state. */ return 0; - if (i == first_idx) - break; i = get_prev_insn_idx(st, i, &history); + if (i == -ENOENT) + break; if (i >= env->prog->len) { /* This can happen if backtracking reached insn 0 * and there are still reg_mask or stack_mask diff --git a/kernel/events/core.c b/kernel/events/core.c index 8f19d6ab039e..b133abe23a4b 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6628,6 +6628,10 @@ perf_sample_ustack_size(u16 stack_size, u16 header_size, if (!regs) return 0;

+ /* No mm, no stack, no dump. */ + if (!current->mm) + return 0; + /* * Check if we fit in with the requested stack size into the: * - TASK_SIZE @@ -7228,6 +7232,9 @@ perf_callchain(struct perf_event *event, struct pt_regs *regs) const u32 max_stack = event->attr.sample_max_stack; struct perf_callchain_entry *callchain;

+ if (!current->mm) + user = false; + if (!kernel && !user) return &__empty_callchain;

@@ -9031,14 +9038,14 @@ __perf_event_account_interrupt(struct perf_event *event, int throttle) hwc->interrupts = 1; } else { hwc->interrupts++; - if (unlikely(throttle && - hwc->interrupts > max_samples_per_tick)) { - __this_cpu_inc(perf_throttled_count); - tick_dep_set_cpu(smp_processor_id(), TICK_DEP_BIT_PERF_EVENTS); - hwc->interrupts = MAX_INTERRUPTS; - perf_log_throttle(event, 0); - ret = 1; - } + } + + if (unlikely(throttle && hwc->interrupts >= max_samples_per_tick)) { + __this_cpu_inc(perf_throttled_count); + tick_dep_set_cpu(smp_processor_id(), TICK_DEP_BIT_PERF_EVENTS); + hwc->interrupts = MAX_INTERRUPTS; + perf_log_throttle(event, 0); + ret = 1; }

if (event->attr.freq) { diff --git a/kernel/exit.c b/kernel/exit.c index af9c8e794e4d..cfdf2d275bba 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -844,6 +844,15 @@ void __noreturn do_exit(long code) tsk->exit_code = code; taskstats_exit(tsk, group_dead);

+ /* + * Since sampling can touch ->mm, make sure to stop everything before we + * tear it down. + * + * Also flushes inherited counters to the parent - before the parent + * gets woken up by child-exit notifications. + */ + perf_event_exit_task(tsk); + exit_mm();

if (group_dead) @@ -860,14 +869,6 @@ void __noreturn do_exit(long code) exit_task_work(tsk); exit_thread(tsk);

- /* - * Flush inherited counters to the parent - before the parent - * gets woken up by child-exit notifications. - * - * because of cgroup mode, must be called before cgroup_exit() - */ - perf_event_exit_task(tsk); - sched_autogroup_exit_task(tsk); cgroup_exit(tsk);

diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c index 52571dcad768..4e941999a53b 100644 --- a/kernel/power/wakelock.c +++ b/kernel/power/wakelock.c @@ -49,6 +49,9 @@ ssize_t pm_show_wakelocks(char *buf, bool show_active) len += sysfs_emit_at(buf, len, "%s ", wl->name); }

+ if (len > 0) + --len; + len += sysfs_emit_at(buf, len, "\n");

mutex_unlock(&wakelocks_lock); diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index b22508c5d2d9..bd49fec0f624 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -273,7 +273,7 @@ static void clocksource_verify_choose_cpus(void) { int cpu, i, n = verify_n_cpus;

- if (n < 0) { + if (n < 0 || n >= num_online_cpus()) { /* Check all of the CPUs. */ cpumask_copy(&cpus_chosen, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), &cpus_chosen); diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index bede1e608d95..c8bc6722ee95 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1373,6 +1373,15 @@ void run_posix_cpu_timers(void)

lockdep_assert_irqs_disabled();

+ /* + * Ensure that release_task(tsk) can't happen while + * handle_posix_cpu_timers() is running. Otherwise, a concurrent + * posix_cpu_timer_del() may fail to lock_task_sighand(tsk) and + * miss timer->it.cpu.firing != 0. + */ + if (tsk->exit_state) + return; + /* * If the actual expiry is deferred to task work context and the * work is already scheduled there is no point to do anything here. diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 6957381b139c..782e64ff839d 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -1604,7 +1604,7 @@ static struct pt_regs *get_bpf_raw_tp_regs(void) struct bpf_raw_tp_regs *tp_regs = this_cpu_ptr(&bpf_raw_tp_regs); int nest_level = this_cpu_inc_return(bpf_raw_tp_nest_level);

- if (WARN_ON_ONCE(nest_level > ARRAY_SIZE(tp_regs->regs))) { + if (nest_level > ARRAY_SIZE(tp_regs->regs)) { this_cpu_dec(bpf_raw_tp_nest_level); return ERR_PTR(-EBUSY); } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7425989c3a12..5a33ee30b40f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -6474,9 +6474,10 @@ void ftrace_release_mod(struct module *mod)

mutex_lock(&ftrace_lock);

- if (ftrace_disabled) - goto out_unlock; - + /* + * To avoid the UAF problem after the module is unloaded, the + * 'mod_map' resource needs to be released unconditionally. + */ list_for_each_entry_safe(mod_map, n, &ftrace_mod_maps, list) { if (mod_map->mod == mod) { list_del_rcu(&mod_map->list); @@ -6485,6 +6486,9 @@ void ftrace_release_mod(struct module *mod) } }

+ if (ftrace_disabled) + goto out_unlock; + /* * Each module has its own ftrace_pages, remove * them from the list. diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index d63d388acffc..42c38a26c801 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6686,7 +6686,7 @@ static ssize_t tracing_splice_read_pipe(struct file *filp, ret = trace_seq_to_buffer(&iter->seq, page_address(spd.pages[i]), min((size_t)trace_seq_used(&iter->seq), - PAGE_SIZE)); + (size_t)PAGE_SIZE)); if (ret < 0) { __free_page(spd.pages[i]); break; diff --git a/lib/Kconfig b/lib/Kconfig index 36326864249d..4f280d0d93db 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -692,4 +692,5 @@ config GENERIC_LIB_UCMPDI2

config PLDMFW bool + select CRC32 default n diff --git a/mm/huge_memory.c b/mm/huge_memory.c index e4c690c21fc9..92550e398e5d 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2227,7 +2227,7 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, VM_BUG_ON(freeze && !page); if (page) { VM_WARN_ON_ONCE(!PageLocked(page)); - if (page != pmd_page(*pmd)) + if (is_pmd_migration_entry(*pmd) || page != pmd_page(*pmd)) goto out; }

diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 02b7c8f9b0e8..1411c2f34bbf 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -96,6 +96,8 @@ static inline void ClearPageHugeFreed(struct page *head)

/* Forward declaration */ static int hugetlb_acct_memory(struct hstate *h, long delta); +static void hugetlb_unshare_pmds(struct vm_area_struct *vma, + unsigned long start, unsigned long end, bool take_locks);

static inline void unlock_or_release_subpool(struct hugepage_subpool *spool) { @@ -3700,6 +3702,39 @@ static int hugetlb_vm_op_split(struct vm_area_struct *vma, unsigned long addr) return 0; }

+void hugetlb_split(struct vm_area_struct *vma, unsigned long addr) +{ + /* + * PMD sharing is only possible for PUD_SIZE-aligned address ranges + * in HugeTLB VMAs. If we will lose PUD_SIZE alignment due to this + * split, unshare PMDs in the PUD_SIZE interval surrounding addr now. + * This function is called in the middle of a VMA split operation, with + * MM, VMA and rmap all write-locked to prevent concurrent page table + * walks (except hardware and gup_fast()). + */ + mmap_assert_write_locked(vma->vm_mm); + i_mmap_assert_write_locked(vma->vm_file->f_mapping); + + if (addr & ~PUD_MASK) { + unsigned long floor = addr & PUD_MASK; + unsigned long ceil = floor + PUD_SIZE; + + if (floor >= vma->vm_start && ceil <= vma->vm_end) { + /* + * Locking: + * Use take_locks=false here. + * The file rmap lock is already held. + * The hugetlb VMA lock can't be taken when we already + * hold the file rmap lock, and we don't need it because + * its purpose is to synchronize against concurrent page + * table walks, which are not possible thanks to the + * locks held by our caller. + */ + hugetlb_unshare_pmds(vma, floor, ceil, /* take_locks = */ false); + } + } +} + static unsigned long hugetlb_vm_op_pagesize(struct vm_area_struct *vma) { struct hstate *hstate = hstate_vma(vma); @@ -5407,7 +5442,7 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) spte = huge_pte_offset(svma->vm_mm, saddr, vma_mmu_pagesize(svma)); if (spte) { - get_page(virt_to_page(spte)); + atomic_inc(&virt_to_page(spte)->pt_share_count); break; } } @@ -5422,7 +5457,7 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) (pmd_t *)((unsigned long)spte & PAGE_MASK)); mm_inc_nr_pmds(mm); } else { - put_page(virt_to_page(spte)); + atomic_dec(&virt_to_page(spte)->pt_share_count); } spin_unlock(ptl); out: @@ -5433,11 +5468,7 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) /* * unmap huge page backed by shared pte. * - * Hugetlb pte page is ref counted at the time of mapping. If pte is shared - * indicated by page_count > 1, unmap is achieved by clearing pud and - * decrementing the ref count. If count == 1, the pte page is not shared. - * - * Called with page table lock held and i_mmap_rwsem held in write mode. + * Called with page table lock held. * * returns: 1 successfully unmapped a shared pte page * 0 the underlying pte page is not shared, or it is the last user @@ -5445,17 +5476,26 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long *addr, pte_t *ptep) { + unsigned long sz = huge_page_size(hstate_vma(vma)); pgd_t *pgd = pgd_offset(mm, *addr); p4d_t *p4d = p4d_offset(pgd, *addr); pud_t *pud = pud_offset(p4d, *addr);

i_mmap_assert_write_locked(vma->vm_file->f_mapping); - BUG_ON(page_count(virt_to_page(ptep)) == 0); - if (page_count(virt_to_page(ptep)) == 1) + if (sz != PMD_SIZE) + return 0; + if (!atomic_read(&virt_to_page(ptep)->pt_share_count)) return 0;

pud_clear(pud); - put_page(virt_to_page(ptep)); + /* + * Once our caller drops the rmap lock, some other process might be + * using this page table as a normal, non-hugetlb page table. + * Wait for pending gup_fast() in other threads to finish before letting + * that happen. + */ + tlb_remove_table_sync_one(); + atomic_dec(&virt_to_page(ptep)->pt_share_count); mm_dec_nr_pmds(mm); /* * This update of passed address optimizes loops sequentially @@ -5706,6 +5746,63 @@ void move_hugetlb_state(struct page *oldpage, struct page *newpage, int reason) } }

+/* + * If @take_locks is false, the caller must ensure that no concurrent page table + * access can happen (except for gup_fast() and hardware page walks). + * If @take_locks is true, we take the hugetlb VMA lock (to lock out things like + * concurrent page fault handling) and the file rmap lock. + */ +static void hugetlb_unshare_pmds(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, + bool take_locks) +{ + struct hstate *h = hstate_vma(vma); + unsigned long sz = huge_page_size(h); + struct mm_struct *mm = vma->vm_mm; + struct mmu_notifier_range range; + unsigned long address; + spinlock_t *ptl; + pte_t *ptep; + + if (!(vma->vm_flags & VM_MAYSHARE)) + return; + + if (start >= end) + return; + + flush_cache_range(vma, start, end); + /* + * No need to call adjust_range_if_pmd_sharing_possible(), because + * we have already done the PUD_SIZE alignment. + */ + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, + start, end); + mmu_notifier_invalidate_range_start(&range); + if (take_locks) { + i_mmap_lock_write(vma->vm_file->f_mapping); + } else { + i_mmap_assert_write_locked(vma->vm_file->f_mapping); + } + for (address = start; address < end; address += PUD_SIZE) { + ptep = huge_pte_offset(mm, address, sz); + if (!ptep) + continue; + ptl = huge_pte_lock(h, mm, ptep); + huge_pmd_unshare(mm, vma, &address, ptep); + spin_unlock(ptl); + } + flush_hugetlb_tlb_range(vma, start, end); + if (take_locks) { + i_mmap_unlock_write(vma->vm_file->f_mapping); + } + /* + * No need to call mmu_notifier_invalidate_range(), see + * Documentation/mm/mmu_notifier.rst. + */ + mmu_notifier_invalidate_range_end(&range); +} + #ifdef CONFIG_CMA static bool cma_reserve_called __initdata;

diff --git a/mm/mmap.c b/mm/mmap.c index 9f76625a1743..8c188ed3738a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -832,7 +832,15 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start, } } again: + /* + * Get rid of huge pages and shared page tables straddling the split + * boundary. + */ vma_adjust_trans_huge(orig_vma, start, end, adjust_next); + if (is_vm_hugetlb_page(orig_vma)) { + hugetlb_split(orig_vma, start); + hugetlb_split(orig_vma, end); + }

if (file) { mapping = file->f_mapping; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index b2c916474855..588dd69d117a 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -557,8 +557,8 @@ int dirty_ratio_handler(struct ctl_table *table, int write, void *buffer,

ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos); if (ret == 0 && write && vm_dirty_ratio != old_ratio) { - writeback_set_ratelimit(); vm_dirty_bytes = 0; + writeback_set_ratelimit(); } return ret; } diff --git a/net/Kconfig b/net/Kconfig index a22c3fb88564..b0e834410a30 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -311,13 +311,9 @@ config BPF_STREAM_PARSER select STREAM_PARSER select NET_SOCK_MSG help - Enabling this allows a stream parser to be used with + Enabling this allows a TCP stream parser to be used with BPF_MAP_TYPE_SOCKMAP.

- BPF_MAP_TYPE_SOCKMAP provides a map type to use with network sockets. - It can be used to enforce socket policy, implement socket redirects, - etc. - config NET_FLOW_LIMIT bool depends on RPS diff --git a/net/atm/common.c b/net/atm/common.c index 1cfa9bf1d187..930eb302cd10 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -635,6 +635,7 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)

skb->dev = NULL; /* for paths shared with net_device interfaces */ if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) { + atm_return_tx(vcc, skb); kfree_skb(skb); error = -EFAULT; goto out; diff --git a/net/atm/lec.c b/net/atm/lec.c index ca9952c52fb5..73078306504c 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -124,6 +124,7 @@ static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

/* Device structures */ static struct net_device *dev_lec[MAX_LEC_ITF]; +static DEFINE_MUTEX(lec_mutex);

#if IS_ENABLED(CONFIG_BRIDGE) static void lec_handle_bridge(struct sk_buff *skb, struct net_device *dev) @@ -687,6 +688,7 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg) int bytes_left; struct atmlec_ioc ioc_data;

+ lockdep_assert_held(&lec_mutex); /* Lecd must be up in this case */ bytes_left = copy_from_user(&ioc_data, arg, sizeof(struct atmlec_ioc)); if (bytes_left != 0) @@ -712,6 +714,7 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)

static int lec_mcast_attach(struct atm_vcc *vcc, int arg) { + lockdep_assert_held(&lec_mutex); if (arg < 0 || arg >= MAX_LEC_ITF) return -EINVAL; arg = array_index_nospec(arg, MAX_LEC_ITF); @@ -727,6 +730,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg) int i; struct lec_priv *priv;

+ lockdep_assert_held(&lec_mutex); if (arg < 0) arg = 0; if (arg >= MAX_LEC_ITF) @@ -744,6 +748,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg) snprintf(dev_lec[i]->name, IFNAMSIZ, "lec%d", i); if (register_netdev(dev_lec[i])) { free_netdev(dev_lec[i]); + dev_lec[i] = NULL; return -EINVAL; }

@@ -906,7 +911,6 @@ static void *lec_itf_walk(struct lec_state *state, loff_t *l) v = (dev && netdev_priv(dev)) ? lec_priv_walk(state, l, netdev_priv(dev)) : NULL; if (!v && dev) { - dev_put(dev); /* Partial state reset for the next time we get called */ dev = NULL; } @@ -930,6 +934,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos) { struct lec_state *state = seq->private;

+ mutex_lock(&lec_mutex); state->itf = 0; state->dev = NULL; state->locked = NULL; @@ -947,8 +952,9 @@ static void lec_seq_stop(struct seq_file *seq, void *v) if (state->dev) { spin_unlock_irqrestore(&state->locked->lec_arp_lock, state->flags); - dev_put(state->dev); + state->dev = NULL; } + mutex_unlock(&lec_mutex); }

static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos) @@ -1005,6 +1011,7 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) return -ENOIOCTLCMD; }

+ mutex_lock(&lec_mutex); switch (cmd) { case ATMLEC_CTRL: err = lecd_attach(vcc, (int)arg); @@ -1019,6 +1026,7 @@ static int lane_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) break; }

+ mutex_unlock(&lec_mutex); return err; }

diff --git a/net/atm/raw.c b/net/atm/raw.c index b3ba44aab0ee..b11ef6dccc31 100644 --- a/net/atm/raw.c +++ b/net/atm/raw.c @@ -36,7 +36,7 @@ static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)

pr_debug("(%d) %d -= %d\n", vcc->vci, sk_wmem_alloc_get(sk), ATM_SKB(skb)->acct_truesize); - WARN_ON(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, &sk->sk_wmem_alloc)); + atm_return_tx(vcc, skb); dev_kfree_skb_any(skb); sk->sk_write_space(sk); } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index be281a95a0a8..08d91a3d3460 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -5861,7 +5861,8 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,

if (!smp_sufficient_security(conn->hcon, pchan->sec_level, SMP_ALLOW_STK)) { - result = L2CAP_CR_LE_AUTHENTICATION; + result = pchan->sec_level == BT_SECURITY_MEDIUM ? + L2CAP_CR_LE_ENCRYPTION : L2CAP_CR_LE_AUTHENTICATION; chan = NULL; goto response_unlock; } diff --git a/net/bridge/netfilter/nf_conntrack_bridge.c b/net/bridge/netfilter/nf_conntrack_bridge.c index d14b2dbbd1df..abf0c9460ddf 100644 --- a/net/bridge/netfilter/nf_conntrack_bridge.c +++ b/net/bridge/netfilter/nf_conntrack_bridge.c @@ -59,19 +59,19 @@ static int nf_br_ip_fragment(struct net *net, struct sock *sk, struct ip_fraglist_iter iter; struct sk_buff *frag;

- if (first_len - hlen > mtu || - skb_headroom(skb) < ll_rs) + if (first_len - hlen > mtu) goto blackhole;

- if (skb_cloned(skb)) + if (skb_cloned(skb) || + skb_headroom(skb) < ll_rs) goto slow_path;

skb_walk_frags(skb, frag) { - if (frag->len > mtu || - skb_headroom(frag) < hlen + ll_rs) + if (frag->len > mtu) goto blackhole;

- if (skb_shared(frag)) + if (skb_shared(frag) || + skb_headroom(frag) < hlen + ll_rs) goto slow_path; }

diff --git a/net/core/Makefile b/net/core/Makefile index 3e2c378e5f31..0c2233c826fd 100644 --- a/net/core/Makefile +++ b/net/core/Makefile @@ -16,7 +16,6 @@ obj-y += dev.o dev_addr_lists.o dst.o netevent.o \ obj-y += net-sysfs.o obj-$(CONFIG_PAGE_POOL) += page_pool.o obj-$(CONFIG_PROC_FS) += net-procfs.o -obj-$(CONFIG_NET_SOCK_MSG) += skmsg.o obj-$(CONFIG_NET_PKTGEN) += pktgen.o obj-$(CONFIG_NETPOLL) += netpoll.o obj-$(CONFIG_FIB_RULES) += fib_rules.o @@ -28,10 +27,13 @@ obj-$(CONFIG_CGROUP_NET_PRIO) += netprio_cgroup.o obj-$(CONFIG_CGROUP_NET_CLASSID) += netclassid_cgroup.o obj-$(CONFIG_LWTUNNEL) += lwtunnel.o obj-$(CONFIG_LWTUNNEL_BPF) += lwt_bpf.o -obj-$(CONFIG_BPF_STREAM_PARSER) += sock_map.o obj-$(CONFIG_DST_CACHE) += dst_cache.o obj-$(CONFIG_HWBM) += hwbm.o obj-$(CONFIG_NET_DEVLINK) += devlink.o obj-$(CONFIG_GRO_CELLS) += gro_cells.o obj-$(CONFIG_FAILOVER) += failover.o +ifeq ($(CONFIG_INET),y) +obj-$(CONFIG_NET_SOCK_MSG) += skmsg.o +obj-$(CONFIG_BPF_SYSCALL) += sock_map.o +endif obj-$(CONFIG_BPF_SYSCALL) += bpf_sk_storage.o diff --git a/net/core/filter.c b/net/core/filter.c index b262cad02bad..2018001d16bf 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1953,10 +1953,11 @@ BPF_CALL_5(bpf_l4_csum_replace, struct sk_buff *, skb, u32, offset, bool is_pseudo = flags & BPF_F_PSEUDO_HDR; bool is_mmzero = flags & BPF_F_MARK_MANGLED_0; bool do_mforce = flags & BPF_F_MARK_ENFORCE; + bool is_ipv6 = flags & BPF_F_IPV6; __sum16 *ptr;

if (unlikely(flags & ~(BPF_F_MARK_MANGLED_0 | BPF_F_MARK_ENFORCE | - BPF_F_PSEUDO_HDR | BPF_F_HDR_FIELD_MASK))) + BPF_F_PSEUDO_HDR | BPF_F_HDR_FIELD_MASK | BPF_F_IPV6))) return -EINVAL; if (unlikely(offset > 0xffff || offset & 1)) return -EFAULT; @@ -1972,7 +1973,7 @@ BPF_CALL_5(bpf_l4_csum_replace, struct sk_buff *, skb, u32, offset, if (unlikely(from != 0)) return -EINVAL;

- inet_proto_csum_replace_by_diff(ptr, skb, to, is_pseudo); + inet_proto_csum_replace_by_diff(ptr, skb, to, is_pseudo, is_ipv6); break; case 2: inet_proto_csum_replace2(ptr, skb, from, to, is_pseudo); diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 890e16bbc072..8680cdfbdb9d 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -664,15 +664,15 @@ static void sk_psock_link_destroy(struct sk_psock *psock) } }

+static void sk_psock_done_strp(struct sk_psock *psock); + static void sk_psock_destroy_deferred(struct work_struct *gc) { struct sk_psock *psock = container_of(gc, struct sk_psock, gc);

/* No sk_callback_lock since already detached. */

- /* Parser has been stopped */ - if (psock->progs.skb_parser) - strp_done(&psock->parser.strp); + sk_psock_done_strp(psock);

cancel_work_sync(&psock->work);

@@ -769,14 +769,6 @@ static int sk_psock_bpf_run(struct sk_psock *psock, struct bpf_prog *prog, return bpf_prog_run_pin_on_cpu(prog, skb); }

-static struct sk_psock *sk_psock_from_strp(struct strparser *strp) -{ - struct sk_psock_parser *parser; - - parser = container_of(strp, struct sk_psock_parser, strp); - return container_of(parser, struct sk_psock, parser); -} - static void sk_psock_skb_redirect(struct sk_buff *skb) { struct sk_psock *psock_other; @@ -880,6 +872,24 @@ static void sk_psock_verdict_apply(struct sk_psock *psock, } }

+static void sk_psock_write_space(struct sock *sk) +{ + struct sk_psock *psock; + void (*write_space)(struct sock *sk) = NULL; + + rcu_read_lock(); + psock = sk_psock(sk); + if (likely(psock)) { + if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) + schedule_work(&psock->work); + write_space = psock->saved_write_space; + } + rcu_read_unlock(); + if (write_space) + write_space(sk); +} + +#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER) static void sk_psock_strp_read(struct strparser *strp, struct sk_buff *skb) { struct sk_psock *psock; @@ -912,6 +922,14 @@ static int sk_psock_strp_read_done(struct strparser *strp, int err) return err; }

+static struct sk_psock *sk_psock_from_strp(struct strparser *strp) +{ + struct sk_psock_parser *parser; + + parser = container_of(strp, struct sk_psock_parser, strp); + return container_of(parser, struct sk_psock, parser); +} + static int sk_psock_strp_parse(struct strparser *strp, struct sk_buff *skb) { struct sk_psock *psock = sk_psock_from_strp(strp); @@ -948,6 +966,56 @@ static void sk_psock_strp_data_ready(struct sock *sk) rcu_read_unlock(); }

+int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock) +{ + static const struct strp_callbacks cb = { + .rcv_msg = sk_psock_strp_read, + .read_sock_done = sk_psock_strp_read_done, + .parse_msg = sk_psock_strp_parse, + }; + + psock->parser.enabled = false; + return strp_init(&psock->parser.strp, sk, &cb); +} + +void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock) +{ + struct sk_psock_parser *parser = &psock->parser; + + if (parser->enabled) + return; + + parser->saved_data_ready = sk->sk_data_ready; + sk->sk_data_ready = sk_psock_strp_data_ready; + sk->sk_write_space = sk_psock_write_space; + parser->enabled = true; +} + +void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock) +{ + struct sk_psock_parser *parser = &psock->parser; + + if (!parser->enabled) + return; + + sk->sk_data_ready = parser->saved_data_ready; + parser->saved_data_ready = NULL; + strp_stop(&parser->strp); + parser->enabled = false; +} + +static void sk_psock_done_strp(struct sk_psock *psock) +{ + /* Parser has been stopped */ + if (psock->progs.skb_parser) + strp_done(&psock->parser.strp); +} +#else +static void sk_psock_done_strp(struct sk_psock *psock) +{ +} +#endif /* CONFIG_BPF_STREAM_PARSER */ + static int sk_psock_verdict_recv(read_descriptor_t *desc, struct sk_buff *skb, unsigned int offset, size_t orig_len) { @@ -1000,35 +1068,6 @@ static void sk_psock_verdict_data_ready(struct sock *sk) sock->ops->read_sock(sk, &desc, sk_psock_verdict_recv); }

-static void sk_psock_write_space(struct sock *sk) -{ - struct sk_psock *psock; - void (*write_space)(struct sock *sk) = NULL; - - rcu_read_lock(); - psock = sk_psock(sk); - if (likely(psock)) { - if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) - schedule_work(&psock->work); - write_space = psock->saved_write_space; - } - rcu_read_unlock(); - if (write_space) - write_space(sk); -} - -int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock) -{ - static const struct strp_callbacks cb = { - .rcv_msg = sk_psock_strp_read, - .read_sock_done = sk_psock_strp_read_done, - .parse_msg = sk_psock_strp_parse, - }; - - psock->parser.enabled = false; - return strp_init(&psock->parser.strp, sk, &cb); -} - void sk_psock_start_verdict(struct sock *sk, struct sk_psock *psock) { struct sk_psock_parser *parser = &psock->parser; @@ -1042,32 +1081,6 @@ void sk_psock_start_verdict(struct sock *sk, struct sk_psock *psock) parser->enabled = true; }

-void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock) -{ - struct sk_psock_parser *parser = &psock->parser; - - if (parser->enabled) - return; - - parser->saved_data_ready = sk->sk_data_ready; - sk->sk_data_ready = sk_psock_strp_data_ready; - sk->sk_write_space = sk_psock_write_space; - parser->enabled = true; -} - -void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock) -{ - struct sk_psock_parser *parser = &psock->parser; - - if (!parser->enabled) - return; - - sk->sk_data_ready = parser->saved_data_ready; - parser->saved_data_ready = NULL; - strp_stop(&parser->strp); - parser->enabled = false; -} - void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock) { struct sk_psock_parser *parser = &psock->parser; diff --git a/net/core/sock.c b/net/core/sock.c index d5818a5a86fd..3c8b263d2cf2 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -3433,7 +3433,7 @@ static int assign_proto_idx(struct proto *prot) { prot->inuse_idx = find_first_zero_bit(proto_inuse_idx, PROTO_INUSE_NR);

- if (unlikely(prot->inuse_idx == PROTO_INUSE_NR - 1)) { + if (unlikely(prot->inuse_idx == PROTO_INUSE_NR)) { pr_err("PROTO_INUSE_NR exhausted\n"); return -ENOSPC; } @@ -3444,7 +3444,7 @@ static int assign_proto_idx(struct proto *prot)

static void release_proto_idx(struct proto *prot) { - if (prot->inuse_idx != PROTO_INUSE_NR - 1) + if (prot->inuse_idx != PROTO_INUSE_NR) clear_bit(prot->inuse_idx, proto_inuse_idx); } #else diff --git a/net/core/sock_map.c b/net/core/sock_map.c index d334a2ccd523..3a9e0046a780 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -1506,9 +1506,11 @@ int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog, case BPF_SK_MSG_VERDICT: pprog = &progs->msg_parser; break; +#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER) case BPF_SK_SKB_STREAM_PARSER: pprog = &progs->skb_parser; break; +#endif case BPF_SK_SKB_STREAM_VERDICT: pprog = &progs->skb_verdict; break; diff --git a/net/core/utils.c b/net/core/utils.c index 1f31a39236d5..d010fcf1dc08 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -473,11 +473,11 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb, EXPORT_SYMBOL(inet_proto_csum_replace16);

void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb, - __wsum diff, bool pseudohdr) + __wsum diff, bool pseudohdr, bool ipv6) { if (skb->ip_summed != CHECKSUM_PARTIAL) { *sum = csum_fold(csum_add(diff, ~csum_unfold(*sum))); - if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr) + if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr && !ipv6) skb->csum = ~csum_add(diff, ~skb->csum); } else if (pseudohdr) { *sum = ~csum_fold(csum_add(diff, csum_unfold(*sum))); diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile index 5b77a46885b9..bbdd9c44f14e 100644 --- a/net/ipv4/Makefile +++ b/net/ipv4/Makefile @@ -62,7 +62,7 @@ obj-$(CONFIG_TCP_CONG_LP) += tcp_lp.o obj-$(CONFIG_TCP_CONG_YEAH) += tcp_yeah.o obj-$(CONFIG_TCP_CONG_ILLINOIS) += tcp_illinois.o obj-$(CONFIG_NET_SOCK_MSG) += tcp_bpf.o -obj-$(CONFIG_BPF_STREAM_PARSER) += udp_bpf.o +obj-$(CONFIG_BPF_SYSCALL) += udp_bpf.o obj-$(CONFIG_NETLABEL) += cipso_ipv4.o

obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \ diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index fea74ab2a4be..ac2d185c04ef 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -943,7 +943,7 @@ int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) nblocks = max(2U * L1_CACHE_BYTES / locksz, 1U) * num_possible_cpus();

/* At least one page per NUMA node. */ - nblocks = max(nblocks, num_online_nodes() * PAGE_SIZE / locksz); + nblocks = max_t(unsigned int, nblocks, num_online_nodes() * PAGE_SIZE / locksz);

nblocks = roundup_pow_of_two(nblocks);

diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a2a7f2597e20..815b6b0089c2 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -197,7 +197,11 @@ const __u8 ip_tos2prio[16] = { EXPORT_SYMBOL(ip_tos2prio);

static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat); +#ifndef CONFIG_PREEMPT_RT #define RT_CACHE_STAT_INC(field) raw_cpu_inc(rt_cache_stat.field) +#else +#define RT_CACHE_STAT_INC(field) this_cpu_inc(rt_cache_stat.field) +#endif

#ifdef CONFIG_PROC_FS static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 24ebd51c5e0b..2d870d5e31cf 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -476,22 +476,11 @@ static void tcp_tx_timestamp(struct sock *sk, u16 tsflags) } }

-static inline bool tcp_stream_is_readable(const struct tcp_sock *tp, - int target, struct sock *sk) +static bool tcp_stream_is_readable(struct sock *sk, int target) { - int avail = READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq); - - if (avail > 0) { - if (avail >= target) - return true; - if (tcp_rmem_pressure(sk)) - return true; - if (tcp_receive_window(tp) <= inet_csk(sk)->icsk_ack.rcv_mss) - return true; - } - if (sk->sk_prot->stream_memory_read) - return sk->sk_prot->stream_memory_read(sk); - return false; + if (tcp_epollin_ready(sk, target)) + return true; + return sk_is_readable(sk); }

/* @@ -565,7 +554,7 @@ __poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait) tp->urg_data) target++;

- if (tcp_stream_is_readable(tp, target, sk)) + if (tcp_stream_is_readable(sk, target)) mask |= EPOLLIN | EPOLLRDNORM;

if (!(shutdown & SEND_SHUTDOWN)) { diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index 804464beb343..f97e357e2644 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -232,8 +232,8 @@ int tcp_bpf_sendmsg_redir(struct sock *sk, struct sk_msg *msg, } EXPORT_SYMBOL_GPL(tcp_bpf_sendmsg_redir);

-#ifdef CONFIG_BPF_STREAM_PARSER -static bool tcp_bpf_stream_read(const struct sock *sk) +#ifdef CONFIG_BPF_SYSCALL +static bool tcp_bpf_sock_is_readable(struct sock *sk) { struct sk_psock *psock; bool empty = true; @@ -582,7 +582,7 @@ static void tcp_bpf_rebuild_protos(struct proto prot[TCP_BPF_NUM_CFGS], prot[TCP_BPF_BASE].destroy = sock_map_destroy; prot[TCP_BPF_BASE].close = sock_map_close; prot[TCP_BPF_BASE].recvmsg = tcp_bpf_recvmsg; - prot[TCP_BPF_BASE].stream_memory_read = tcp_bpf_stream_read; + prot[TCP_BPF_BASE].sock_is_readable = tcp_bpf_sock_is_readable;

prot[TCP_BPF_TX] = prot[TCP_BPF_BASE]; prot[TCP_BPF_TX].sendmsg = tcp_bpf_sendmsg; @@ -646,4 +646,4 @@ void tcp_bpf_clone(const struct sock *sk, struct sock *newsk) if (is_insidevar(prot, tcp_bpf_prots)) newsk->sk_prot = sk->sk_prot_creator; } -#endif /* CONFIG_BPF_STREAM_PARSER */ +#endif /* CONFIG_BPF_SYSCALL */ diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 7c2e714527f6..82382ac1514f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -640,10 +640,12 @@ EXPORT_SYMBOL(tcp_initialize_rcv_mss); */ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep) { - u32 new_sample = tp->rcv_rtt_est.rtt_us; - long m = sample; + u32 new_sample, old_sample = tp->rcv_rtt_est.rtt_us; + long m = sample << 3;

- if (new_sample != 0) { + if (old_sample == 0 || m < old_sample) { + new_sample = m; + } else { /* If we sample in larger samples in the non-timestamp * case, we could grossly overestimate the RTT especially * with chatty applications or bulk transfer apps which @@ -654,17 +656,9 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep) * else with timestamps disabled convergence takes too * long. */ - if (!win_dep) { - m -= (new_sample >> 3); - new_sample += m; - } else { - m <<= 3; - if (m < new_sample) - new_sample = m; - } - } else { - /* No previous measure. */ - new_sample = m << 3; + if (win_dep) + return; + new_sample = old_sample - (old_sample >> 3) + sample; }

tp->rcv_rtt_est.rtt_us = new_sample; @@ -2430,20 +2424,33 @@ static inline bool tcp_packet_delayed(const struct tcp_sock *tp) { const struct sock *sk = (const struct sock *)tp;

- if (tp->retrans_stamp && - tcp_tsopt_ecr_before(tp, tp->retrans_stamp)) - return true; /* got echoed TS before first retransmission */ + /* Received an echoed timestamp before the first retransmission? */ + if (tp->retrans_stamp) + return tcp_tsopt_ecr_before(tp, tp->retrans_stamp); + + /* We set tp->retrans_stamp upon the first retransmission of a loss + * recovery episode, so normally if tp->retrans_stamp is 0 then no + * retransmission has happened yet (likely due to TSQ, which can cause + * fast retransmits to be delayed). So if snd_una advanced while + * (tp->retrans_stamp is 0 then apparently a packet was merely delayed, + * not lost. But there are exceptions where we retransmit but then + * clear tp->retrans_stamp, so we check for those exceptions. + */

- /* Check if nothing was retransmitted (retrans_stamp==0), which may - * happen in fast recovery due to TSQ. But we ignore zero retrans_stamp - * in TCP_SYN_SENT, since when we set FLAG_SYN_ACKED we also clear - * retrans_stamp even if we had retransmitted the SYN. + /* (1) For non-SACK connections, tcp_is_non_sack_preventing_reopen() + * clears tp->retrans_stamp when snd_una == high_seq. */ - if (!tp->retrans_stamp && /* no record of a retransmit/SYN? */ - sk->sk_state != TCP_SYN_SENT) /* not the FLAG_SYN_ACKED case? */ - return true; /* nothing was retransmitted */ + if (!tcp_is_sack(tp) && !before(tp->snd_una, tp->high_seq)) + return false;

- return false; + /* (2) In TCP_SYN_SENT tcp_clean_rtx_queue() clears tp->retrans_stamp + * when setting FLAG_SYN_ACKED is set, even if the SYN was + * retransmitted. + */ + if (sk->sk_state == TCP_SYN_SENT) + return false; + + return true; /* tp->retrans_stamp is zero; no retransmit yet */ }

/* Undo procedures. */ @@ -5028,15 +5035,8 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)

void tcp_data_ready(struct sock *sk) { - const struct tcp_sock *tp = tcp_sk(sk); - int avail = tp->rcv_nxt - tp->copied_seq; - - if (avail < sk->sk_rcvlowat && !tcp_rmem_pressure(sk) && - !sock_flag(sk, SOCK_DONE) && - tcp_receive_window(tp) > inet_csk(sk)->icsk_ack.rcv_mss) - return; - - sk->sk_data_ready(sk); + if (tcp_epollin_ready(sk, sk->sk_rcvlowat) || sock_flag(sk, SOCK_DONE)) + sk->sk_data_ready(sk); }

static void tcp_data_queue(struct sock *sk, struct sk_buff *skb) @@ -6525,6 +6525,9 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) if (!tp->srtt_us) tcp_synack_rtt_meas(sk, req);

+ if (tp->rx_opt.tstamp_ok) + tp->advmss -= TCPOLEN_TSTAMP_ALIGNED; + if (req) { tcp_rcv_synrecv_state_fastopen(sk); } else { @@ -6549,9 +6552,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) tp->snd_wnd = ntohs(th->window) << tp->rx_opt.snd_wscale; tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);

- if (tp->rx_opt.tstamp_ok) - tp->advmss -= TCPOLEN_TSTAMP_ALIGNED; - if (!inet_csk(sk)->icsk_ca_ops->cong_control) tcp_update_pacing_rate(sk);

diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c index e17e756bb1ad..59997e5d1343 100644 --- a/net/ipv6/calipso.c +++ b/net/ipv6/calipso.c @@ -1210,6 +1210,10 @@ static int calipso_req_setattr(struct request_sock *req, struct ipv6_opt_hdr *old, *new; struct sock *sk = sk_to_full_sk(req_to_sk(req));

+ /* sk is NULL for SYN+ACK w/ SYN Cookie */ + if (!sk) + return -ENOMEM; + if (req_inet->ipv6_opt && req_inet->ipv6_opt->hopopt) old = req_inet->ipv6_opt->hopopt; else @@ -1250,6 +1254,10 @@ static void calipso_req_delattr(struct request_sock *req) struct ipv6_txoptions *txopts; struct sock *sk = sk_to_full_sk(req_to_sk(req));

+ /* sk is NULL for SYN+ACK w/ SYN Cookie */ + if (!sk) + return; + if (!req_inet->ipv6_opt || !req_inet->ipv6_opt->hopopt) return;

diff --git a/net/ipv6/ila/ila_common.c b/net/ipv6/ila/ila_common.c index 95e9146918cc..b8d43ed4689d 100644 --- a/net/ipv6/ila/ila_common.c +++ b/net/ipv6/ila/ila_common.c @@ -86,7 +86,7 @@ static void ila_csum_adjust_transport(struct sk_buff *skb,

diff = get_csum_diff(ip6h, p); inet_proto_csum_replace_by_diff(&th->check, skb, - diff, true); + diff, true, true); } break; case NEXTHDR_UDP: @@ -97,7 +97,7 @@ static void ila_csum_adjust_transport(struct sk_buff *skb, if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) { diff = get_csum_diff(ip6h, p); inet_proto_csum_replace_by_diff(&uh->check, skb, - diff, true); + diff, true, true); if (!uh->check) uh->check = CSUM_MANGLED_0; } @@ -111,7 +111,7 @@ static void ila_csum_adjust_transport(struct sk_buff *skb,

diff = get_csum_diff(ip6h, p); inet_proto_csum_replace_by_diff(&ih->icmp6_cksum, skb, - diff, true); + diff, true, true); } break; } diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index ab9a279dd6d4..93e1af6c2dfb 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -155,20 +155,20 @@ int br_ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, struct ip6_fraglist_iter iter; struct sk_buff *frag2;

- if (first_len - hlen > mtu || - skb_headroom(skb) < (hroom + sizeof(struct frag_hdr))) + if (first_len - hlen > mtu) goto blackhole;

- if (skb_cloned(skb)) + if (skb_cloned(skb) || + skb_headroom(skb) < (hroom + sizeof(struct frag_hdr))) goto slow_path;

skb_walk_frags(skb, frag2) { - if (frag2->len > mtu || - skb_headroom(frag2) < (hlen + hroom + sizeof(struct frag_hdr))) + if (frag2->len > mtu) goto blackhole;

/* Partially cloned skb? */ - if (skb_shared(frag2)) + if (skb_shared(frag2) || + skb_headroom(frag2) < (hlen + hroom + sizeof(struct frag_hdr))) goto slow_path; }

diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 1a08b00aa321..b7e543d4d57b 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -154,6 +154,7 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, { const struct nft_fib *priv = nft_expr_priv(expr); int noff = skb_network_offset(pkt->skb); + const struct net_device *found = NULL; const struct net_device *oif = NULL; u32 *dest = &regs->data[priv->dreg]; struct ipv6hdr *iph, _iph; @@ -198,11 +199,15 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, if (rt->rt6i_flags & (RTF_REJECT | RTF_ANYCAST | RTF_LOCAL)) goto put_rt_err;

- if (oif && oif != rt->rt6i_idev->dev && - l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) != oif->ifindex) - goto put_rt_err; + if (!oif) { + found = rt->rt6i_idev->dev; + } else { + if (oif == rt->rt6i_idev->dev || + l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) == oif->ifindex) + found = oif; + }

- nft_fib_store_result(dest, priv, rt->rt6i_idev->dev); + nft_fib_store_result(dest, priv, found); put_rt_err: ip6_rt_put(rt); } diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 4848e3c2f0af..a8e80cb6a5ce 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -620,7 +620,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, mesh_path_add_gate(mpath); } rcu_read_unlock(); - } else { + } else if (ifmsh->mshcfg.dot11MeshForwarding) { rcu_read_lock(); mpath = mesh_path_lookup(sdata, target_addr); if (mpath) { @@ -638,6 +638,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, } } rcu_read_unlock(); + } else { + forward = false; }

if (reply) { @@ -655,7 +657,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, } }

- if (forward && ifmsh->mshcfg.dot11MeshForwarding) { + if (forward) { u32 preq_id; u8 hopcount;

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 1dcbdab9319b..fa095bc8b0c1 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -80,8 +80,8 @@ static struct mpls_route *mpls_route_input_rcu(struct net *net, unsigned index)

if (index < net->mpls.platform_labels) { struct mpls_route __rcu **platform_label = - rcu_dereference(net->mpls.platform_label); - rt = rcu_dereference(platform_label[index]); + rcu_dereference_rtnl(net->mpls.platform_label); + rt = rcu_dereference_rtnl(platform_label[index]); } return rt; } diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h index dea60e25e860..c61d2e2e93ad 100644 --- a/net/ncsi/internal.h +++ b/net/ncsi/internal.h @@ -140,16 +140,15 @@ struct ncsi_channel_vlan_filter { };

struct ncsi_channel_stats { - u32 hnc_cnt_hi; /* Counter cleared */ - u32 hnc_cnt_lo; /* Counter cleared */ - u32 hnc_rx_bytes; /* Rx bytes */ - u32 hnc_tx_bytes; /* Tx bytes */ - u32 hnc_rx_uc_pkts; /* Rx UC packets */ - u32 hnc_rx_mc_pkts; /* Rx MC packets */ - u32 hnc_rx_bc_pkts; /* Rx BC packets */ - u32 hnc_tx_uc_pkts; /* Tx UC packets */ - u32 hnc_tx_mc_pkts; /* Tx MC packets */ - u32 hnc_tx_bc_pkts; /* Tx BC packets */ + u64 hnc_cnt; /* Counter cleared */ + u64 hnc_rx_bytes; /* Rx bytes */ + u64 hnc_tx_bytes; /* Tx bytes */ + u64 hnc_rx_uc_pkts; /* Rx UC packets */ + u64 hnc_rx_mc_pkts; /* Rx MC packets */ + u64 hnc_rx_bc_pkts; /* Rx BC packets */ + u64 hnc_tx_uc_pkts; /* Tx UC packets */ + u64 hnc_tx_mc_pkts; /* Tx MC packets */ + u64 hnc_tx_bc_pkts; /* Tx BC packets */ u32 hnc_fcs_err; /* FCS errors */ u32 hnc_align_err; /* Alignment errors */ u32 hnc_false_carrier; /* False carrier detection */ @@ -178,7 +177,7 @@ struct ncsi_channel_stats { u32 hnc_tx_1023_frames; /* Tx 512-1023 bytes frames */ u32 hnc_tx_1522_frames; /* Tx 1024-1522 bytes frames */ u32 hnc_tx_9022_frames; /* Tx 1523-9022 bytes frames */ - u32 hnc_rx_valid_bytes; /* Rx valid bytes */ + u64 hnc_rx_valid_bytes; /* Rx valid bytes */ u32 hnc_rx_runt_pkts; /* Rx error runt packets */ u32 hnc_rx_jabber_pkts; /* Rx error jabber packets */ u32 ncsi_rx_cmds; /* Rx NCSI commands */ diff --git a/net/ncsi/ncsi-pkt.h b/net/ncsi/ncsi-pkt.h index 3fbea7e74fb1..2729581360ec 100644 --- a/net/ncsi/ncsi-pkt.h +++ b/net/ncsi/ncsi-pkt.h @@ -246,16 +246,15 @@ struct ncsi_rsp_gp_pkt { /* Get Controller Packet Statistics */ struct ncsi_rsp_gcps_pkt { struct ncsi_rsp_pkt_hdr rsp; /* Response header */ - __be32 cnt_hi; /* Counter cleared */ - __be32 cnt_lo; /* Counter cleared */ - __be32 rx_bytes; /* Rx bytes */ - __be32 tx_bytes; /* Tx bytes */ - __be32 rx_uc_pkts; /* Rx UC packets */ - __be32 rx_mc_pkts; /* Rx MC packets */ - __be32 rx_bc_pkts; /* Rx BC packets */ - __be32 tx_uc_pkts; /* Tx UC packets */ - __be32 tx_mc_pkts; /* Tx MC packets */ - __be32 tx_bc_pkts; /* Tx BC packets */ + __be64 cnt; /* Counter cleared */ + __be64 rx_bytes; /* Rx bytes */ + __be64 tx_bytes; /* Tx bytes */ + __be64 rx_uc_pkts; /* Rx UC packets */ + __be64 rx_mc_pkts; /* Rx MC packets */ + __be64 rx_bc_pkts; /* Rx BC packets */ + __be64 tx_uc_pkts; /* Tx UC packets */ + __be64 tx_mc_pkts; /* Tx MC packets */ + __be64 tx_bc_pkts; /* Tx BC packets */ __be32 fcs_err; /* FCS errors */ __be32 align_err; /* Alignment errors */ __be32 false_carrier; /* False carrier detection */ @@ -284,11 +283,11 @@ struct ncsi_rsp_gcps_pkt { __be32 tx_1023_frames; /* Tx 512-1023 bytes frames */ __be32 tx_1522_frames; /* Tx 1024-1522 bytes frames */ __be32 tx_9022_frames; /* Tx 1523-9022 bytes frames */ - __be32 rx_valid_bytes; /* Rx valid bytes */ + __be64 rx_valid_bytes; /* Rx valid bytes */ __be32 rx_runt_pkts; /* Rx error runt packets */ __be32 rx_jabber_pkts; /* Rx error jabber packets */ __be32 checksum; /* Checksum */ -}; +} __packed __aligned(4);

/* Get NCSI Statistics */ struct ncsi_rsp_gns_pkt { diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c index 960e2cfc1fd2..88fb86cf7b20 100644 --- a/net/ncsi/ncsi-rsp.c +++ b/net/ncsi/ncsi-rsp.c @@ -933,16 +933,15 @@ static int ncsi_rsp_handler_gcps(struct ncsi_request *nr)

/* Update HNC's statistics */ ncs = &nc->stats; - ncs->hnc_cnt_hi = ntohl(rsp->cnt_hi); - ncs->hnc_cnt_lo = ntohl(rsp->cnt_lo); - ncs->hnc_rx_bytes = ntohl(rsp->rx_bytes); - ncs->hnc_tx_bytes = ntohl(rsp->tx_bytes); - ncs->hnc_rx_uc_pkts = ntohl(rsp->rx_uc_pkts); - ncs->hnc_rx_mc_pkts = ntohl(rsp->rx_mc_pkts); - ncs->hnc_rx_bc_pkts = ntohl(rsp->rx_bc_pkts); - ncs->hnc_tx_uc_pkts = ntohl(rsp->tx_uc_pkts); - ncs->hnc_tx_mc_pkts = ntohl(rsp->tx_mc_pkts); - ncs->hnc_tx_bc_pkts = ntohl(rsp->tx_bc_pkts); + ncs->hnc_cnt = be64_to_cpu(rsp->cnt); + ncs->hnc_rx_bytes = be64_to_cpu(rsp->rx_bytes); + ncs->hnc_tx_bytes = be64_to_cpu(rsp->tx_bytes); + ncs->hnc_rx_uc_pkts = be64_to_cpu(rsp->rx_uc_pkts); + ncs->hnc_rx_mc_pkts = be64_to_cpu(rsp->rx_mc_pkts); + ncs->hnc_rx_bc_pkts = be64_to_cpu(rsp->rx_bc_pkts); + ncs->hnc_tx_uc_pkts = be64_to_cpu(rsp->tx_uc_pkts); + ncs->hnc_tx_mc_pkts = be64_to_cpu(rsp->tx_mc_pkts); + ncs->hnc_tx_bc_pkts = be64_to_cpu(rsp->tx_bc_pkts); ncs->hnc_fcs_err = ntohl(rsp->fcs_err); ncs->hnc_align_err = ntohl(rsp->align_err); ncs->hnc_false_carrier = ntohl(rsp->false_carrier); @@ -971,7 +970,7 @@ static int ncsi_rsp_handler_gcps(struct ncsi_request *nr) ncs->hnc_tx_1023_frames = ntohl(rsp->tx_1023_frames); ncs->hnc_tx_1522_frames = ntohl(rsp->tx_1522_frames); ncs->hnc_tx_9022_frames = ntohl(rsp->tx_9022_frames); - ncs->hnc_rx_valid_bytes = ntohl(rsp->rx_valid_bytes); + ncs->hnc_rx_valid_bytes = be64_to_cpu(rsp->rx_valid_bytes); ncs->hnc_rx_runt_pkts = ntohl(rsp->rx_runt_pkts); ncs->hnc_rx_jabber_pkts = ntohl(rsp->rx_jabber_pkts);

diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c index 826e5f8c78f3..07e73e50b713 100644 --- a/net/netfilter/nft_socket.c +++ b/net/netfilter/nft_socket.c @@ -88,13 +88,13 @@ static void nft_socket_eval(const struct nft_expr *expr, *dest = sk->sk_mark; } else { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } break; case NFT_SOCKET_WILDCARD: if (!sk_fullsock(sk)) { regs->verdict.code = NFT_BREAK; - return; + goto out_put_sk; } nft_socket_wildcard(pkt, regs, sk, dest); break; @@ -103,6 +103,7 @@ static void nft_socket_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; }

+out_put_sk: if (sk != skb->sk) sock_gen_put(sk); } diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c index cfe6cf1be421..95f823032228 100644 --- a/net/netfilter/nft_tunnel.c +++ b/net/netfilter/nft_tunnel.c @@ -588,10 +588,10 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb, struct geneve_opt *opt; int offset = 0;

- inner = nla_nest_start_noflag(skb, NFTA_TUNNEL_KEY_OPTS_GENEVE); - if (!inner) - goto failure; while (opts->len > offset) { + inner = nla_nest_start_noflag(skb, NFTA_TUNNEL_KEY_OPTS_GENEVE); + if (!inner) + goto failure; opt = (struct geneve_opt *)(opts->u.data + offset); if (nla_put_be16(skb, NFTA_TUNNEL_KEY_GENEVE_CLASS, opt->opt_class) || @@ -601,8 +601,8 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb, opt->length * 4, opt->opt_data)) goto inner_failure; offset += sizeof(*opt) + opt->length * 4; + nla_nest_end(skb, inner); } - nla_nest_end(skb, inner); } nla_nest_end(skb, nest); return 0; diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 96059c99b915..19325925941f 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -1140,6 +1140,11 @@ int netlbl_conn_setattr(struct sock *sk, break; #if IS_ENABLED(CONFIG_IPV6) case AF_INET6: + if (sk->sk_family != AF_INET6) { + ret_val = -EAFNOSUPPORT; + goto conn_setattr_return; + } + addr6 = (struct sockaddr_in6 *)addr; entry = netlbl_domhsh_getentry_af6(secattr->domain, &addr6->sin6_addr); diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c index 1204c438e87d..03a51bcb9c37 100644 --- a/net/nfc/nci/uart.c +++ b/net/nfc/nci/uart.c @@ -131,22 +131,22 @@ static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver)

memcpy(nu, nci_uart_drivers[driver], sizeof(struct nci_uart)); nu->tty = tty; - tty->disc_data = nu; skb_queue_head_init(&nu->tx_q); INIT_WORK(&nu->write_work, nci_uart_write_work); spin_lock_init(&nu->rx_lock);

ret = nu->ops.open(nu); if (ret) { - tty->disc_data = NULL; kfree(nu); + return ret; } else if (!try_module_get(nu->owner)) { nu->ops.close(nu); - tty->disc_data = NULL; kfree(nu); return -ENOENT; } - return ret; + tty->disc_data = nu; + + return 0; }

/* ------ LDISC part ------ */ diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 9bad601c7fe8..94531289ed26 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -638,7 +638,7 @@ static int key_extract_l3l4(struct sk_buff *skb, struct sw_flow_key *key) memset(&key->ipv4, 0, sizeof(key->ipv4)); } } else if (eth_p_mpls(key->eth.type)) { - u8 label_count = 1; + size_t label_count = 1;

memset(&key->mpls, 0, sizeof(key->mpls)); skb_set_inner_network_header(skb, skb->mac_len); diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c index 35b8577aef7d..4f4da11a2c77 100644 --- a/net/sched/sch_ets.c +++ b/net/sched/sch_ets.c @@ -298,7 +298,7 @@ static void ets_class_qlen_notify(struct Qdisc *sch, unsigned long arg) * to remove them. */ if (!ets_class_is_strict(q, cl) && sch->q.qlen) - list_del(&cl->alist); + list_del_init(&cl->alist); }

static int ets_class_dump(struct Qdisc *sch, unsigned long arg, @@ -499,7 +499,7 @@ static struct sk_buff *ets_qdisc_dequeue(struct Qdisc *sch) if (unlikely(!skb)) goto out; if (cl->qdisc->q.qlen == 0) - list_del(&cl->alist); + list_del_init(&cl->alist); return ets_qdisc_dequeue_skb(sch, skb); }

@@ -674,8 +674,8 @@ static int ets_qdisc_change(struct Qdisc *sch, struct nlattr *opt, } for (i = q->nbands; i < oldbands; i++) { if (i >= q->nstrict && q->classes[i].qdisc->q.qlen) - list_del(&q->classes[i].alist); - qdisc_tree_flush_backlog(q->classes[i].qdisc); + list_del_init(&q->classes[i].alist); + qdisc_purge_queue(q->classes[i].qdisc); } q->nstrict = nstrict; memcpy(q->prio2band, priomap, sizeof(priomap)); @@ -723,7 +723,7 @@ static void ets_qdisc_reset(struct Qdisc *sch)

for (band = q->nstrict; band < q->nbands; band++) { if (q->classes[band].qdisc->q.qlen) - list_del(&q->classes[band].alist); + list_del_init(&q->classes[band].alist); } for (band = 0; band < q->nbands; band++) qdisc_reset(q->classes[band].qdisc); diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 1c805fe05b82..3d92497af01f 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -211,7 +211,7 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt, memcpy(q->prio2band, qopt->priomap, TC_PRIO_MAX+1);

for (i = q->bands; i < oldbands; i++) - qdisc_tree_flush_backlog(q->queues[i]); + qdisc_purge_queue(q->queues[i]);

for (i = oldbands; i < q->bands; i++) { q->queues[i] = queues[i]; diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 935d90874b1b..1b69b7b90d85 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -283,7 +283,7 @@ static int __red_change(struct Qdisc *sch, struct nlattr **tb, q->userbits = userbits; q->limit = ctl->limit; if (child) { - qdisc_tree_flush_backlog(q->qdisc); + qdisc_purge_queue(q->qdisc); old_child = q->qdisc; q->qdisc = child; } diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 066754a18569..e87560e24486 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -77,12 +77,6 @@ #define SFQ_EMPTY_SLOT 0xffff #define SFQ_DEFAULT_HASH_DIVISOR 1024

-/* We use 16 bits to store allot, and want to handle packets up to 64K - * Scale allot by 8 (1<<3) so that no overflow occurs. - */ -#define SFQ_ALLOT_SHIFT 3 -#define SFQ_ALLOT_SIZE(X) DIV_ROUND_UP(X, 1 << SFQ_ALLOT_SHIFT) - /* This type should contain at least SFQ_MAX_DEPTH + 1 + SFQ_MAX_FLOWS values */ typedef u16 sfq_index;

@@ -104,7 +98,7 @@ struct sfq_slot { sfq_index next; /* next slot in sfq RR chain */ struct sfq_head dep; /* anchor in dep[] chains */ unsigned short hash; /* hash value (index in ht[]) */ - short allot; /* credit for this slot */ + int allot; /* credit for this slot */

unsigned int backlog; struct red_vars vars; @@ -120,7 +114,6 @@ struct sfq_sched_data { siphash_key_t perturbation; u8 cur_depth; /* depth of longest slot */ u8 flags; - unsigned short scaled_quantum; /* SFQ_ALLOT_SIZE(quantum) */ struct tcf_proto __rcu *filter_list; struct tcf_block *block; sfq_index *ht; /* Hash table ('divisor' slots) */ @@ -317,7 +310,10 @@ static unsigned int sfq_drop(struct Qdisc *sch, struct sk_buff **to_free) /* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */ x = q->tail->next; slot = &q->slots[x]; - q->tail->next = slot->next; + if (slot->next == x) + q->tail = NULL; /* no more active slots */ + else + q->tail->next = slot->next; q->ht[slot->hash] = SFQ_EMPTY_SLOT; goto drop; } @@ -456,7 +452,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) */ q->tail = slot; /* We could use a bigger initial quantum for new flows */ - slot->allot = q->scaled_quantum; + slot->allot = q->quantum; } if (++sch->q.qlen <= q->limit) return NET_XMIT_SUCCESS; @@ -493,7 +489,7 @@ sfq_dequeue(struct Qdisc *sch) slot = &q->slots[a]; if (slot->allot <= 0) { q->tail = slot; - slot->allot += q->scaled_quantum; + slot->allot += q->quantum; goto next_slot; } skb = slot_dequeue_head(slot); @@ -512,7 +508,7 @@ sfq_dequeue(struct Qdisc *sch) } q->tail->next = next_a; } else { - slot->allot -= SFQ_ALLOT_SIZE(qdisc_pkt_len(skb)); + slot->allot -= qdisc_pkt_len(skb); } return skb; } @@ -595,7 +591,7 @@ static void sfq_rehash(struct Qdisc *sch) q->tail->next = x; } q->tail = slot; - slot->allot = q->scaled_quantum; + slot->allot = q->quantum; } } sch->q.qlen -= dropped; @@ -608,6 +604,7 @@ static void sfq_perturbation(struct timer_list *t) struct Qdisc *sch = q->sch; spinlock_t *root_lock = qdisc_lock(qdisc_root_sleeping(sch)); siphash_key_t nkey; + int period;

get_random_bytes(&nkey, sizeof(nkey)); spin_lock(root_lock); @@ -616,11 +613,16 @@ static void sfq_perturbation(struct timer_list *t) sfq_rehash(sch); spin_unlock(root_lock);

- if (q->perturb_period) - mod_timer(&q->perturb_timer, jiffies + q->perturb_period); + /* q->perturb_period can change under us from + * sfq_change() and sfq_destroy(). + */ + period = READ_ONCE(q->perturb_period); + if (period) + mod_timer(&q->perturb_timer, jiffies + period); }

-static int sfq_change(struct Qdisc *sch, struct nlattr *opt) +static int sfq_change(struct Qdisc *sch, struct nlattr *opt, + struct netlink_ext_ack *extack) { struct sfq_sched_data *q = qdisc_priv(sch); struct tc_sfq_qopt *ctl = nla_data(opt); @@ -629,6 +631,15 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) struct red_parms *p = NULL; struct sk_buff *to_free = NULL; struct sk_buff *tail = NULL; + unsigned int maxflows; + unsigned int quantum; + unsigned int divisor; + int perturb_period; + u8 headdrop; + u8 maxdepth; + int limit; + u8 flags; +

if (opt->nla_len < nla_attr_size(sizeof(*ctl))) return -EINVAL; @@ -638,14 +649,10 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) (!is_power_of_2(ctl->divisor) || ctl->divisor > 65536)) return -EINVAL;

- /* slot->allot is a short, make sure quantum is not too big. */ - if (ctl->quantum) { - unsigned int scaled = SFQ_ALLOT_SIZE(ctl->quantum); - - if (scaled <= 0 || scaled > SHRT_MAX) - return -EINVAL; + if ((int)ctl->quantum < 0) { + NL_SET_ERR_MSG_MOD(extack, "invalid quantum"); + return -EINVAL; } - if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max, ctl_v1->Wlog, ctl_v1->Scell_log, NULL)) return -EINVAL; @@ -654,38 +661,65 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) if (!p) return -ENOMEM; } + sch_tree_lock(sch); - if (ctl->quantum) { - q->quantum = ctl->quantum; - q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum); - } - q->perturb_period = ctl->perturb_period * HZ; + + limit = q->limit; + divisor = q->divisor; + headdrop = q->headdrop; + maxdepth = q->maxdepth; + maxflows = q->maxflows; + perturb_period = q->perturb_period; + quantum = q->quantum; + flags = q->flags; + + /* update and validate configuration */ + if (ctl->quantum) + quantum = ctl->quantum; + perturb_period = ctl->perturb_period * HZ; if (ctl->flows) - q->maxflows = min_t(u32, ctl->flows, SFQ_MAX_FLOWS); + maxflows = min_t(u32, ctl->flows, SFQ_MAX_FLOWS); if (ctl->divisor) { - q->divisor = ctl->divisor; - q->maxflows = min_t(u32, q->maxflows, q->divisor); + divisor = ctl->divisor; + maxflows = min_t(u32, maxflows, divisor); } if (ctl_v1) { if (ctl_v1->depth) - q->maxdepth = min_t(u32, ctl_v1->depth, SFQ_MAX_DEPTH); + maxdepth = min_t(u32, ctl_v1->depth, SFQ_MAX_DEPTH); if (p) { - swap(q->red_parms, p); - red_set_parms(q->red_parms, + red_set_parms(p, ctl_v1->qth_min, ctl_v1->qth_max, ctl_v1->Wlog, ctl_v1->Plog, ctl_v1->Scell_log, NULL, ctl_v1->max_P); } - q->flags = ctl_v1->flags; - q->headdrop = ctl_v1->headdrop; + flags = ctl_v1->flags; + headdrop = ctl_v1->headdrop; } if (ctl->limit) { - q->limit = min_t(u32, ctl->limit, q->maxdepth * q->maxflows); - q->maxflows = min_t(u32, q->maxflows, q->limit); + limit = min_t(u32, ctl->limit, maxdepth * maxflows); + maxflows = min_t(u32, maxflows, limit); + } + if (limit == 1) { + sch_tree_unlock(sch); + kfree(p); + NL_SET_ERR_MSG_MOD(extack, "invalid limit"); + return -EINVAL; }

+ /* commit configuration */ + q->limit = limit; + q->divisor = divisor; + q->headdrop = headdrop; + q->maxdepth = maxdepth; + q->maxflows = maxflows; + WRITE_ONCE(q->perturb_period, perturb_period); + q->quantum = quantum; + q->flags = flags; + if (p) + swap(q->red_parms, p); + qlen = sch->q.qlen; while (sch->q.qlen > q->limit) { dropped += sfq_drop(sch, &to_free); @@ -721,7 +755,7 @@ static void sfq_destroy(struct Qdisc *sch) struct sfq_sched_data *q = qdisc_priv(sch);

tcf_block_put(q->block); - q->perturb_period = 0; + WRITE_ONCE(q->perturb_period, 0); del_timer_sync(&q->perturb_timer); sfq_free(q->ht); sfq_free(q->slots); @@ -754,12 +788,11 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt, q->divisor = SFQ_DEFAULT_HASH_DIVISOR; q->maxflows = SFQ_DEFAULT_FLOWS; q->quantum = psched_mtu(qdisc_dev(sch)); - q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum); q->perturb_period = 0; get_random_bytes(&q->perturbation, sizeof(q->perturbation));

if (opt) { - int err = sfq_change(sch, opt); + int err = sfq_change(sch, opt, extack); if (err) return err; } @@ -870,7 +903,7 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl, if (idx != SFQ_EMPTY_SLOT) { const struct sfq_slot *slot = &q->slots[idx];

- xstats.allot = slot->allot << SFQ_ALLOT_SHIFT; + xstats.allot = slot->allot; qs.qlen = slot->qlen; qs.backlog = slot->backlog; } diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 5f50fdeaafa8..411970dc07f7 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -437,7 +437,7 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt,

sch_tree_lock(sch); if (child) { - qdisc_tree_flush_backlog(q->qdisc); + qdisc_purge_queue(q->qdisc); old = q->qdisc; q->qdisc = child; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 3d6c9e35781e..196196ebe81a 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -8849,7 +8849,8 @@ static void __sctp_write_space(struct sctp_association *asoc) wq = rcu_dereference(sk->sk_wq); if (wq) { if (waitqueue_active(&wq->wait)) - wake_up_interruptible(&wq->wait); + wake_up_interruptible_poll(&wq->wait, EPOLLOUT | + EPOLLWRNORM | EPOLLWRBAND);

/* Note that we try to include the Async I/O support * here by modeling from the current TCP/UDP code. diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 486c466ab466..81a780c1226c 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -133,6 +133,8 @@ static struct cache_head *sunrpc_cache_add_entry(struct cache_detail *detail,

hlist_add_head_rcu(&new->cache_list, head); detail->entries++; + if (detail->nextcheck > new->expiry_time) + detail->nextcheck = new->expiry_time + 1; cache_get(new); spin_unlock(&detail->hash_lock);

@@ -449,24 +451,21 @@ static int cache_clean(void) } }

+ spin_lock(&current_detail->hash_lock); + /* find a non-empty bucket in the table */ - while (current_detail && - current_index < current_detail->hash_size && + while (current_index < current_detail->hash_size && hlist_empty(&current_detail->hash_table[current_index])) current_index++;

/* find a cleanable entry in the bucket and clean it, or set to next bucket */ - - if (current_detail && current_index < current_detail->hash_size) { + if (current_index < current_detail->hash_size) { struct cache_head *ch = NULL; struct cache_detail *d; struct hlist_head *head; struct hlist_node *tmp;

- spin_lock(&current_detail->hash_lock); - /* Ok, now to clean this strand */ - head = &current_detail->hash_table[current_index]; hlist_for_each_entry_safe(ch, tmp, head, cache_list) { if (current_detail->nextcheck > ch->expiry_time) @@ -487,8 +486,10 @@ static int cache_clean(void) spin_unlock(&cache_list_lock); if (ch) sunrpc_end_cache_remove_entry(ch, d); - } else + } else { + spin_unlock(&current_detail->hash_lock); spin_unlock(&cache_list_lock); + }

return rv; } diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index 159d891b81c5..cc409d55e157 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -419,7 +419,7 @@ static void tipc_aead_free(struct rcu_head *rp) } free_percpu(aead->tfm_entry); kfree_sensitive(aead->key); - kfree(aead); + kfree_sensitive(aead); }

static int tipc_aead_users(struct tipc_aead __rcu *aead) @@ -822,7 +822,11 @@ static int tipc_aead_encrypt(struct tipc_aead *aead, struct sk_buff *skb, }

/* Get net to avoid freed tipc_crypto when delete namespace */ - get_net(aead->crypto->net); + if (!maybe_get_net(aead->crypto->net)) { + tipc_bearer_put(b); + rc = -ENODEV; + goto exit; + }

/* Now, do encrypt */ rc = crypto_aead_encrypt(req); diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 25e733919131..881f4c160dbf 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -481,7 +481,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb)

rtnl_lock(); b = tipc_bearer_find(net, bname); - if (!b) { + if (!b || b->bcast_addr.media_id != TIPC_MEDIA_TYPE_UDP) { rtnl_unlock(); return -EINVAL; } @@ -492,7 +492,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb)

rtnl_lock(); b = rtnl_dereference(tn->bearer_list[bid]); - if (!b) { + if (!b || b->bcast_addr.media_id != TIPC_MEDIA_TYPE_UDP) { rtnl_unlock(); return -EINVAL; } diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index 9d7b52370155..63517995c692 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -731,12 +731,12 @@ static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],

prot[TLS_BASE][TLS_SW] = prot[TLS_BASE][TLS_BASE]; prot[TLS_BASE][TLS_SW].recvmsg = tls_sw_recvmsg; - prot[TLS_BASE][TLS_SW].stream_memory_read = tls_sw_stream_read; + prot[TLS_BASE][TLS_SW].sock_is_readable = tls_sw_sock_is_readable; prot[TLS_BASE][TLS_SW].close = tls_sk_proto_close;

prot[TLS_SW][TLS_SW] = prot[TLS_SW][TLS_BASE]; prot[TLS_SW][TLS_SW].recvmsg = tls_sw_recvmsg; - prot[TLS_SW][TLS_SW].stream_memory_read = tls_sw_stream_read; + prot[TLS_SW][TLS_SW].sock_is_readable = tls_sw_sock_is_readable; prot[TLS_SW][TLS_SW].close = tls_sk_proto_close;

#ifdef CONFIG_TLS_DEVICE diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index ec57ca01b3c4..7a448fd96f81 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -859,6 +859,13 @@ static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk, err = tcp_bpf_sendmsg_redir(sk_redir, &msg_redir, send, flags); lock_sock(sk); if (err < 0) { + /* Regardless of whether the data represented by + * msg_redir is sent successfully, we have already + * uncharged it via sk_msg_return_zero(). The + * msg->sg.size represents the remaining unprocessed + * data, which needs to be uncharged here. + */ + sk_mem_uncharge(sk, msg->sg.size); *copied -= sk_msg_free_nocharge(sk, &msg_redir); msg->sg.size = 0; } @@ -2040,7 +2047,7 @@ ssize_t tls_sw_splice_read(struct socket *sock, loff_t *ppos, return copied ? : err; }

-bool tls_sw_stream_read(const struct sock *sk) +bool tls_sw_sock_is_readable(struct sock *sk) { struct tls_context *tls_ctx = tls_get_ctx(sk); struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx); diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 25696de8114a..3e5c8d09d82c 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -101,16 +101,16 @@ try-run = $(shell set -e; \ fi)

# as-option -# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,) +# Usage: aflags-y += $(call as-option,-Wa$(comma)-isa=foo,)

as-option = $(call try-run,\ - $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2)) + $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(1) -c -x assembler-with-cpp /dev/null -o "$$TMP",$(1),$(2))

# as-instr -# Usage: cflags-y += $(call as-instr,instr,option1,option2) +# Usage: aflags-y += $(call as-instr,instr,option1,option2)

as-instr = $(call try-run,\ - printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) + printf "%b\n" "$(1)" | $(CC) -Werror $(CLANG_FLAGS) $(KBUILD_AFLAGS) -c -x assembler-with-cpp -o "$$TMP" -,$(2),$(3))

# __cc-option # Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586) diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include index 6d37cb780452..65a0ae119262 100644 --- a/scripts/Kconfig.include +++ b/scripts/Kconfig.include @@ -33,7 +33,7 @@ ld-option = $(success,$(LD) -v $(1))

# $(as-instr,<instr>) # Return y if the assembler supports <instr>, n otherwise -as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) -c -x assembler -o /dev/null -) +as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) -c -x assembler-with-cpp -o /dev/null -)

# check if $(CC) and $(LD) exist $(error-if,$(failure,command -v $(CC)),compiler '$(CC)' not found) diff --git a/scripts/as-version.sh b/scripts/as-version.sh index 532270bd4b7e..68e9344c1bca 100755 --- a/scripts/as-version.sh +++ b/scripts/as-version.sh @@ -45,7 +45,7 @@ orig_args="$@" # Get the first line of the --version output. IFS=' ' -set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler /dev/null -o /dev/null 2>/dev/null) +set -- $(LC_ALL=C "$@" -Wa,--version -c -x assembler-with-cpp /dev/null -o /dev/null 2>/dev/null)

# Split the line on spaces. IFS=' ' diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c index 114245b6f7c7..5b315e3e8dc3 100644 --- a/security/selinux/xfrm.c +++ b/security/selinux/xfrm.c @@ -95,7 +95,7 @@ static int selinux_xfrm_alloc_user(struct xfrm_sec_ctx **ctxp,

ctx->ctx_doi = XFRM_SC_DOI_LSM; ctx->ctx_alg = XFRM_SC_ALG_SELINUX; - ctx->ctx_len = str_len; + ctx->ctx_len = str_len + 1; memcpy(ctx->ctx_str, &uctx[1], str_len); ctx->ctx_str[str_len] = '\0'; rc = security_context_to_sid(&selinux_state, ctx->ctx_str, str_len, diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 407bbf9264ac..dd7c7cb0de14 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2295,6 +2295,8 @@ static const struct snd_pci_quirk power_save_denylist[] = { SND_PCI_QUIRK(0x1734, 0x1232, "KONTRON SinglePC", 0), /* Dell ALC3271 */ SND_PCI_QUIRK(0x1028, 0x0962, "Dell ALC3271", 0), + /* https://bugzilla.kernel.org/show_bug.cgi?id=220210 */ + SND_PCI_QUIRK(0x17aa, 0x5079, "Lenovo Thinkpad E15", 0), {} }; #endif /* CONFIG_PM */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b2df53215279..2c289a42d178 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9151,6 +9151,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0871, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC), SND_PCI_QUIRK(0x1028, 0x0872, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC), SND_PCI_QUIRK(0x1028, 0x0873, "Dell Precision 3930", ALC255_FIXUP_DUMMY_LINEOUT_VERB), + SND_PCI_QUIRK(0x1028, 0x0879, "Dell Latitude 5420 Rugged", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x08ad, "Dell WYSE AIO", ALC225_FIXUP_DELL_WYSE_AIO_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x08ae, "Dell WYSE NB", ALC225_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0935, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB), diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c index 1928c1616a52..629cc24d51c3 100644 --- a/sound/soc/codecs/tas2770.c +++ b/sound/soc/codecs/tas2770.c @@ -158,11 +158,37 @@ static const struct snd_kcontrol_new isense_switch = static const struct snd_kcontrol_new vsense_switch = SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 2, 1, 1);

+static int sense_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct tas2770_priv *tas2770 = snd_soc_component_get_drvdata(component); + + /* + * Powering up ISENSE/VSENSE requires a trip through the shutdown state. + * Do that here to ensure that our changes are applied properly, otherwise + * we might end up with non-functional IVSENSE if playback started earlier, + * which would break software speaker protection. + */ + switch (event) { + case SND_SOC_DAPM_PRE_REG: + return snd_soc_component_update_bits(component, TAS2770_PWR_CTRL, + TAS2770_PWR_CTRL_MASK, + TAS2770_PWR_CTRL_SHUTDOWN); + case SND_SOC_DAPM_POST_REG: + return tas2770_update_pwr_ctrl(tas2770); + default: + return 0; + } +} + static const struct snd_soc_dapm_widget tas2770_dapm_widgets[] = { SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2770_asi1_mux), - SND_SOC_DAPM_SWITCH("ISENSE", TAS2770_PWR_CTRL, 3, 1, &isense_switch), - SND_SOC_DAPM_SWITCH("VSENSE", TAS2770_PWR_CTRL, 2, 1, &vsense_switch), + SND_SOC_DAPM_SWITCH_E("ISENSE", TAS2770_PWR_CTRL, 3, 1, &isense_switch, + sense_event, SND_SOC_DAPM_PRE_REG | SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_SWITCH_E("VSENSE", TAS2770_PWR_CTRL, 2, 1, &vsense_switch, + sense_event, SND_SOC_DAPM_PRE_REG | SND_SOC_DAPM_POST_REG), SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2770_dac_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_OUTPUT("OUT"), diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c index 0e2691f011b7..150e12037dfe 100644 --- a/sound/soc/meson/meson-card-utils.c +++ b/sound/soc/meson/meson-card-utils.c @@ -245,7 +245,7 @@ static int meson_card_parse_of_optional(struct snd_soc_card *card, const char *p)) { /* If property is not provided, don't fail ... */ - if (!of_property_read_bool(card->dev->of_node, propname)) + if (!of_property_present(card->dev->of_node, propname)) return 0;

/* ... but do fail if it is provided and the parsing fails */ diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c index 6be7a32933ad..8a63cf03eb3a 100644 --- a/sound/soc/qcom/sdm845.c +++ b/sound/soc/qcom/sdm845.c @@ -78,6 +78,10 @@ static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream, else ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch, 0, NULL); + if (ret != 0 && ret != -ENOTSUPP) { + dev_err(rtd->dev, "failed to set cpu chan map, err:%d\n", ret); + return ret; + } }

return 0; diff --git a/sound/soc/tegra/tegra210_ahub.c b/sound/soc/tegra/tegra210_ahub.c index 1b2f7cb8c6ad..686c8ff46ec8 100644 --- a/sound/soc/tegra/tegra210_ahub.c +++ b/sound/soc/tegra/tegra210_ahub.c @@ -607,6 +607,8 @@ static int tegra_ahub_probe(struct platform_device *pdev) return -ENOMEM;

ahub->soc_data = of_device_get_match_data(&pdev->dev); + if (!ahub->soc_data) + return -ENODEV;

platform_set_drvdata(pdev, ahub);

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index a973e02babf5..08082fdf8218 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -367,6 +367,13 @@ static const struct usbmix_name_map corsair_virtuoso_map[] = { { 0 } };

+/* KTMicro USB */ +static struct usbmix_name_map s31b2_0022_map[] = { + { 23, "Speaker Playback" }, + { 18, "Headphone Playback" }, + { 0 } +}; + /* ASUS ROG Zenith II with Realtek ALC1220-VB */ static const struct usbmix_name_map asus_zenith_ii_map[] = { { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */ @@ -649,6 +656,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x1395, 0x0025), .map = sennheiser_pc8_map, }, + { + /* KTMicro USB */ + .id = USB_ID(0X31b2, 0x0022), + .map = s31b2_0022_map, + }, { 0 } /* terminator */ };

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 63ea5bc6f1c4..66c490c8d908 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -909,6 +909,7 @@ union bpf_attr { * for updates resulting in a null checksum the value is set to * **CSUM_MANGLED_0** instead. Flag **BPF_F_PSEUDO_HDR** indicates * the checksum is to be computed against a pseudo-header. + * Flag **BPF_F_IPV6** should be set for IPv6 packets. * * This helper works in combination with **bpf_csum_diff**\ (), * which does not update the checksum in-place, but offers more @@ -3937,6 +3938,7 @@ enum { BPF_F_PSEUDO_HDR = (1ULL << 4), BPF_F_MARK_MANGLED_0 = (1ULL << 5), BPF_F_MARK_ENFORCE = (1ULL << 6), + BPF_F_IPV6 = (1ULL << 7), };

/* BPF_FUNC_clone_redirect and BPF_FUNC_redirect flags. */ diff --git a/tools/lib/bpf/nlattr.c b/tools/lib/bpf/nlattr.c index 1a04299a2a60..35ad5a845a14 100644 --- a/tools/lib/bpf/nlattr.c +++ b/tools/lib/bpf/nlattr.c @@ -63,16 +63,16 @@ static int validate_nla(struct nlattr *nla, int maxtype, minlen = nla_attr_minlen[pt->type];

if (libbpf_nla_len(nla) < minlen) - return -1; + return -EINVAL;

if (pt->maxlen && libbpf_nla_len(nla) > pt->maxlen) - return -1; + return -EINVAL;

if (pt->type == LIBBPF_NLA_STRING) { char *data = libbpf_nla_data(nla);

if (data[libbpf_nla_len(nla) - 1] != '\0') - return -1; + return -EINVAL; }

return 0; @@ -118,19 +118,18 @@ int libbpf_nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, if (policy) { err = validate_nla(nla, maxtype, policy); if (err < 0) - goto errout; + return err; }

- if (tb[type]) + if (tb[type]) { pr_warn("Attribute of type %#x found multiple times in message, " "previous attribute is being ignored.\n", type); + }

tb[type] = nla; }

- err = 0; -errout: - return err; + return 0; }

/** diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 89905b4e9309..e9edf29026ed 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -521,6 +521,8 @@ ifndef NO_LIBELF ifeq ($(feature-libdebuginfod), 1) CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT EXTLIBS += -ldebuginfod + else + $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) endif endif

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 167cd8d3b7a2..42f6ec953b7c 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -2516,7 +2516,7 @@ static struct option __record_options[] = { "sample selected machine registers on interrupt," " use '-I?' to list register names", parse_intr_regs), OPT_CALLBACK_OPTARG(0, "user-regs", &record.opts.sample_user_regs, NULL, "any register", - "sample selected machine registers on interrupt," + "sample selected machine registers in user space," " use '--user-regs=?' to list register names", parse_user_regs), OPT_BOOLEAN(0, "running-time", &record.opts.running_time, "Record running/enabled time of read (:S) events"), diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py index 711d4f9f5645..4cea374b284c 100755 --- a/tools/perf/scripts/python/exported-sql-viewer.py +++ b/tools/perf/scripts/python/exported-sql-viewer.py @@ -679,7 +679,10 @@ class CallGraphModelBase(TreeModel): s = value.replace("%", "%") s = s.replace("_", "_") # Translate * and ? into SQL LIKE pattern characters % and _ - trans = string.maketrans("*?", "%_") + if sys.version_info[0] == 3: + trans = str.maketrans("*?", "%_") + else: + trans = string.maketrans("*?", "%_") match = " LIKE '" + str(s).translate(trans) + "'" else: match = " GLOB '" + str(value) + "'" diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index db5e1f70053a..7b28d468fc6e 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -255,7 +255,7 @@ static int compar(const void *a, const void *b) const struct event_node *nodeb = b; s64 cmp = nodea->event_time - nodeb->event_time;

- return cmp; + return cmp < 0 ? -1 : (cmp > 0 ? 1 : 0); }

static int process_events(struct evlist *evlist, diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index f2586e46d53e..19e79e159996 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -3241,10 +3241,10 @@ static int perf_evsel__hists_browse(struct evsel *evsel, int nr_events, /* * No need to set actions->dso here since * it's just to remove the current filter. - * Ditto for thread below. */ do_zoom_dso(browser, actions); } else if (top == &browser->hists->thread_filter) { + actions->thread = thread; do_zoom_thread(browser, actions); } else if (top == &browser->hists->socket_filter) { do_zoom_socket(browser, actions); diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 413a7b9f3c4d..7f62635226fd 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -3081,12 +3081,15 @@ TEST(syscall_restart) ret = get_syscall(_metadata, child_pid); #if defined(__arm__) /* - * FIXME: * - native ARM registers do NOT expose true syscall. * - compat ARM registers on ARM64 DO expose true syscall. + * - values of utsbuf.machine include 'armv8l' or 'armb8b' + * for ARM64 running in compat mode. */ ASSERT_EQ(0, uname(&utsbuf)); - if (strncmp(utsbuf.machine, "arm", 3) == 0) { + if ((strncmp(utsbuf.machine, "arm", 3) == 0) && + (strncmp(utsbuf.machine, "armv8l", 6) != 0) && + (strncmp(utsbuf.machine, "armv8b", 6) != 0)) { EXPECT_EQ(__NR_nanosleep, ret); } else #endif diff --git a/usr/include/Makefile b/usr/include/Makefile index 703a255cddc6..c53dcf3e5aba 100644 --- a/usr/include/Makefile +++ b/usr/include/Makefile @@ -10,7 +10,7 @@ UAPI_CFLAGS := -std=c90 -Wall -Werror=implicit-function-declaration

# In theory, we do not care -m32 or -m64 for header compile tests. # It is here just because CONFIG_CC_CAN_LINK is tested with -m32 or -m64. -UAPI_CFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS)) +UAPI_CFLAGS += $(filter -m32 -m64, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))

override c_flags = $(UAPI_CFLAGS) -Wp,-MMD,$(depfile) -I$(objtree)/usr/include