diff options
196 files changed, 1835 insertions, 780 deletions
@@ -45,6 +45,7 @@ Andrey Konovalov <andreyknvl@gmail.com> <andreyknvl@google.com> Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com> Andrey Ryabinin <ryabinin.a.a@gmail.com> <aryabinin@virtuozzo.com> Andrzej Hajda <andrzej.hajda@intel.com> <a.hajda@samsung.com> +André Almeida <andrealmeid@igalia.com> <andrealmeid@collabora.com> Andy Adamson <andros@citi.umich.edu> Antoine Tenart <atenart@kernel.org> <antoine.tenart@bootlin.com> Antoine Tenart <atenart@kernel.org> <antoine.tenart@free-electrons.com> @@ -204,6 +205,7 @@ Juha Yrjola <at solidboot.com> Juha Yrjola <juha.yrjola@nokia.com> Juha Yrjola <juha.yrjola@solidboot.com> Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com> +Kalle Valo <kvalo@kernel.org> <kvalo@codeaurora.org> Kalyan Thota <quic_kalyant@quicinc.com> <kalyan_t@codeaurora.org> Kay Sievers <kay.sievers@vrfy.org> Kees Cook <keescook@chromium.org> <kees.cook@canonical.com> diff --git a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml index 625f573a7b90..458c7645ee68 100644 --- a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml +++ b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml @@ -55,8 +55,6 @@ allOf: then: properties: clocks: - minItems: 7 - maxItems: 7 items: - description: 32k osc - description: 25m osc @@ -66,8 +64,6 @@ allOf: - description: ext3 clock input - description: ext4 clock input clock-names: - minItems: 7 - maxItems: 7 items: - const: ckil - const: osc_25m diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml index a51baf8a4c76..bb9dbfb9beaf 100644 --- a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml @@ -95,7 +95,6 @@ then: properties: clocks: minItems: 1 - maxItems: 4 items: - description: Functional clock - description: EXTAL input clock @@ -104,7 +103,6 @@ then: clock-names: minItems: 1 - maxItems: 4 items: - const: fck # The LVDS encoder can use the EXTAL or DU_DOTCLKINx clocks. @@ -128,12 +126,10 @@ then: else: properties: clocks: - maxItems: 1 items: - description: Functional clock clock-names: - maxItems: 1 items: - const: fck diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml index 56cedcd6d576..b3e588022082 100644 --- a/Documentation/devicetree/bindings/display/renesas,du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml @@ -109,7 +109,6 @@ allOf: properties: clocks: minItems: 1 - maxItems: 3 items: - description: Functional clock - description: DU_DOTCLKIN0 input clock @@ -117,7 +116,6 @@ allOf: clock-names: minItems: 1 - maxItems: 3 items: - const: du.0 - pattern: '^dclkin\.[01]$' @@ -159,7 +157,6 @@ allOf: properties: clocks: minItems: 2 - maxItems: 4 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -168,7 +165,6 @@ allOf: clock-names: minItems: 2 - maxItems: 4 items: - const: du.0 - const: du.1 @@ -216,7 +212,6 @@ allOf: properties: clocks: minItems: 2 - maxItems: 4 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -225,7 +220,6 @@ allOf: clock-names: minItems: 2 - maxItems: 4 items: - const: du.0 - const: du.1 @@ -271,7 +265,6 @@ allOf: properties: clocks: minItems: 2 - maxItems: 4 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -280,7 +273,6 @@ allOf: clock-names: minItems: 2 - maxItems: 4 items: - const: du.0 - const: du.1 @@ -327,7 +319,6 @@ allOf: properties: clocks: minItems: 2 - maxItems: 4 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -336,7 +327,6 @@ allOf: clock-names: minItems: 2 - maxItems: 4 items: - const: du.0 - const: du.1 @@ -386,7 +376,6 @@ allOf: properties: clocks: minItems: 3 - maxItems: 6 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -397,7 +386,6 @@ allOf: clock-names: minItems: 3 - maxItems: 6 items: - const: du.0 - const: du.1 @@ -448,7 +436,6 @@ allOf: properties: clocks: minItems: 4 - maxItems: 8 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -461,7 +448,6 @@ allOf: clock-names: minItems: 4 - maxItems: 8 items: - const: du.0 - const: du.1 @@ -525,7 +511,6 @@ allOf: properties: clocks: minItems: 3 - maxItems: 6 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -536,7 +521,6 @@ allOf: clock-names: minItems: 3 - maxItems: 6 items: - const: du.0 - const: du.1 @@ -596,7 +580,6 @@ allOf: properties: clocks: minItems: 3 - maxItems: 6 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -607,7 +590,6 @@ allOf: clock-names: minItems: 3 - maxItems: 6 items: - const: du.0 - const: du.1 @@ -666,14 +648,12 @@ allOf: properties: clocks: minItems: 1 - maxItems: 2 items: - description: Functional clock for DU0 - description: DU_DOTCLKIN0 input clock clock-names: minItems: 1 - maxItems: 2 items: - const: du.0 - const: dclkin.0 @@ -723,7 +703,6 @@ allOf: properties: clocks: minItems: 2 - maxItems: 4 items: - description: Functional clock for DU0 - description: Functional clock for DU1 @@ -732,7 +711,6 @@ allOf: clock-names: minItems: 2 - maxItems: 4 items: - const: du.0 - const: du.1 @@ -791,7 +769,6 @@ allOf: - description: Functional clock clock-names: - maxItems: 1 items: - const: du.0 diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml index 4d6074518b5c..fa8da42cb1e6 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml @@ -138,7 +138,6 @@ allOf: - const: bus - const: adc minItems: 1 - maxItems: 2 interrupts: items: @@ -170,7 +169,6 @@ allOf: - const: bus - const: adc minItems: 1 - maxItems: 2 interrupts: items: diff --git a/Documentation/devicetree/bindings/leds/leds-mt6360.yaml b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml index b2fe6eb89389..10f95bf1d666 100644 --- a/Documentation/devicetree/bindings/leds/leds-mt6360.yaml +++ b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml @@ -43,8 +43,6 @@ patternProperties: - 4 # LED output FLASH1 - 5 # LED output FLASH2 -unevaluatedProperties: false - required: - compatible - "#address-cells" diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml index f3f4d5b02744..fe0270207622 100644 --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml @@ -202,22 +202,17 @@ allOf: clocks: items: - description: module clock - minItems: 1 - maxItems: 1 else: properties: clocks: items: - description: module clock - description: timeout clock - minItems: 2 - maxItems: 2 + clock-names: items: - const: sdhci - const: tmclk - minItems: 2 - maxItems: 2 required: - clock-names diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml index 9d764e654e1d..849aeae319a9 100644 --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml @@ -147,8 +147,6 @@ allOf: - description: SoC gpmi io clock - description: SoC gpmi bch apb clock clock-names: - minItems: 2 - maxItems: 2 items: - const: gpmi_io - const: gpmi_bch_apb diff --git a/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml index 8bad328b184d..51aa89ac7e85 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml @@ -80,8 +80,6 @@ if: then: properties: interrupts: - minItems: 4 - maxItems: 4 items: - description: Error and status IRQ - description: Message object IRQ @@ -91,7 +89,6 @@ then: else: properties: interrupts: - maxItems: 1 items: - description: Error and status IRQ diff --git a/Documentation/devicetree/bindings/pci/apple,pcie.yaml b/Documentation/devicetree/bindings/pci/apple,pcie.yaml index 7f01e15fc81c..daf602ac0d0f 100644 --- a/Documentation/devicetree/bindings/pci/apple,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/apple,pcie.yaml @@ -142,7 +142,6 @@ examples: device_type = "pci"; reg = <0x0 0x0 0x0 0x0 0x0>; reset-gpios = <&pinctrl_ap 152 0>; - max-link-speed = <2>; #address-cells = <3>; #size-cells = <2>; @@ -153,7 +152,6 @@ examples: device_type = "pci"; reg = <0x800 0x0 0x0 0x0 0x0>; reset-gpios = <&pinctrl_ap 153 0>; - max-link-speed = <2>; #address-cells = <3>; #size-cells = <2>; @@ -164,7 +162,6 @@ examples: device_type = "pci"; reg = <0x1000 0x0 0x0 0x0 0x0>; reset-gpios = <&pinctrl_ap 33 0>; - max-link-speed = <1>; #address-cells = <3>; #size-cells = <2>; diff --git a/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml index cb1aa325336f..435b971dfd9b 100644 --- a/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml +++ b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml @@ -102,19 +102,17 @@ if: then: properties: reg: - maxItems: 2 + minItems: 2 + reg-names: - items: - - const: "phy" - - const: "phy-ctrl" + minItems: 2 else: properties: reg: maxItems: 1 + reg-names: maxItems: 1 - items: - - const: "phy" required: - compatible diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml index 4b22a9e3a447..f5a121311f61 100644 --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml @@ -52,11 +52,19 @@ properties: hardware supporting it the pull strength in Ohm. drive-push-pull: - type: boolean + oneOf: + - type: boolean + - $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1 ] + deprecated: true description: drive actively high and low drive-open-drain: - type: boolean + oneOf: + - type: boolean + - $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 # No known cases of 0 + deprecated: true description: drive with open drain drive-open-source: diff --git a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml index 0b767fec39d8..6b38bd7eb3b4 100644 --- a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml +++ b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml @@ -71,7 +71,6 @@ allOf: then: properties: clock-output-names: - minItems: 1 maxItems: 1 - if: @@ -102,7 +101,6 @@ allOf: properties: clock-output-names: minItems: 3 - maxItems: 3 - if: properties: @@ -113,16 +111,12 @@ allOf: then: properties: clocks: - minItems: 3 - maxItems: 3 items: - description: Bus clock for register access - description: 24 MHz oscillator - description: 32 kHz clock from the CCU clock-names: - minItems: 3 - maxItems: 3 items: - const: bus - const: hosc @@ -142,7 +136,6 @@ allOf: properties: clocks: minItems: 3 - maxItems: 4 items: - description: Bus clock for register access - description: 24 MHz oscillator @@ -151,7 +144,6 @@ allOf: clock-names: minItems: 3 - maxItems: 4 items: - const: bus - const: hosc @@ -174,14 +166,12 @@ allOf: then: properties: interrupts: - minItems: 1 maxItems: 1 else: properties: interrupts: minItems: 2 - maxItems: 2 required: - "#clock-cells" diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml index d4688e317fc5..901c1e2cea28 100644 --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -100,7 +100,6 @@ allOf: maxItems: 3 clock-names: minItems: 2 - maxItems: 3 items: - const: uart - pattern: '^clk_uart_baud[0-1]$' @@ -118,11 +117,8 @@ allOf: then: properties: clocks: - minItems: 2 maxItems: 2 clock-names: - minItems: 2 - maxItems: 2 items: - const: uart - const: clk_uart_baud0 diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml index c21c807b667c..34f6ee9de392 100644 --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml @@ -89,7 +89,6 @@ allOf: properties: dmas: minItems: 1 - maxItems: 2 items: - description: RX DMA Channel - description: TX DMA Channel diff --git a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml index 6806f53a4aed..20ea5883b7ff 100644 --- a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml +++ b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml @@ -80,7 +80,6 @@ allOf: then: properties: clocks: - minItems: 6 items: - description: AUXCLK clock for McASP used by CPB audio - description: Parent for CPB_McASP auxclk (for 48KHz) @@ -107,7 +106,6 @@ allOf: then: properties: clocks: - maxItems: 4 items: - description: AUXCLK clock for McASP used by CPB audio - description: Parent for CPB_McASP auxclk (for 48KHz) diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml index f963204e0b16..1368d90da0e8 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml @@ -67,7 +67,6 @@ then: properties: reg: minItems: 2 - maxItems: 3 items: - description: TSC1 registers - description: TSC2 registers diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml index d227dea368be..fb45f66d6454 100644 --- a/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml +++ b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml @@ -43,6 +43,9 @@ properties: - const: phy_clk - const: ref_clk + power-domains: + maxItems: 1 + reg: maxItems: 1 diff --git a/MAINTAINERS b/MAINTAINERS index de6a26a01166..69b597aa4bc7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3571,8 +3571,9 @@ M: Andy Gospodarek <andy@greyhouse.net> L: netdev@vger.kernel.org S: Supported W: http://sourceforge.net/projects/bonding/ +F: Documentation/networking/bonding.rst F: drivers/net/bonding/ -F: include/net/bonding.h +F: include/net/bond* F: include/uapi/linux/if_bonding.h BOSCH SENSORTEC BMA400 ACCELEROMETER IIO DRIVER @@ -5919,7 +5920,7 @@ R: Benjamin Gaignard <benjamin.gaignard@collabora.com> R: Liam Mark <lmark@codeaurora.org> R: Laura Abbott <labbott@redhat.com> R: Brian Starkey <Brian.Starkey@arm.com> -R: John Stultz <john.stultz@linaro.org> +R: John Stultz <jstultz@google.com> L: linux-media@vger.kernel.org L: dri-devel@lists.freedesktop.org L: linaro-mm-sig@lists.linaro.org (moderated for non-subscribers) @@ -6589,7 +6590,7 @@ F: drivers/gpu/drm/gma500/ DRM DRIVERS FOR HISILICON M: Xinliang Liu <xinliang.liu@linaro.org> M: Tian Tao <tiantao6@hisilicon.com> -R: John Stultz <john.stultz@linaro.org> +R: John Stultz <jstultz@google.com> R: Xinwei Kong <kong.kongxinwei@hisilicon.com> R: Chen Feng <puck.chen@hisilicon.com> L: dri-devel@lists.freedesktop.org @@ -7501,7 +7502,7 @@ F: Documentation/hwmon/f71805f.rst F: drivers/hwmon/f71805f.c FADDR2LINE -M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Josh Poimboeuf <jpoimboe@kernel.org> S: Maintained F: scripts/faddr2line @@ -8114,7 +8115,7 @@ M: Ingo Molnar <mingo@redhat.com> R: Peter Zijlstra <peterz@infradead.org> R: Darren Hart <dvhart@infradead.org> R: Davidlohr Bueso <dave@stgolabs.net> -R: André Almeida <andrealmeid@collabora.com> +R: André Almeida <andrealmeid@igalia.com> L: linux-kernel@vger.kernel.org S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core @@ -8387,7 +8388,7 @@ M: Linus Walleij <linus.walleij@linaro.org> M: Bartosz Golaszewski <brgl@bgdev.pl> L: linux-gpio@vger.kernel.org S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git F: Documentation/ABI/obsolete/sysfs-gpio F: Documentation/ABI/testing/gpio-cdev F: Documentation/admin-guide/gpio/ @@ -8849,7 +8850,7 @@ F: Documentation/devicetree/bindings/net/hisilicon*.txt F: drivers/net/ethernet/hisilicon/ HIKEY960 ONBOARD USB GPIO HUB DRIVER -M: John Stultz <john.stultz@linaro.org> +M: John Stultz <jstultz@google.com> L: linux-kernel@vger.kernel.org S: Maintained F: drivers/misc/hisi_hikey_usb.c @@ -10132,7 +10133,7 @@ S: Supported F: drivers/net/wireless/intel/iwlegacy/ INTEL WIRELESS WIFI LINK (iwlwifi) -M: Luca Coelho <luciano.coelho@intel.com> +M: Gregory Greenman <gregory.greenman@intel.com> L: linux-wireless@vger.kernel.org S: Supported W: https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi @@ -11349,7 +11350,7 @@ F: drivers/mmc/host/litex_mmc.c N: litex LIVE PATCHING -M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Josh Poimboeuf <jpoimboe@kernel.org> M: Jiri Kosina <jikos@kernel.org> M: Miroslav Benes <mbenes@suse.cz> M: Petr Mladek <pmladek@suse.com> @@ -14250,7 +14251,7 @@ F: lib/objagg.c F: lib/test_objagg.c OBJTOOL -M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Josh Poimboeuf <jpoimboe@kernel.org> M: Peter Zijlstra <peterz@infradead.org> S: Supported F: tools/objtool/ @@ -18824,7 +18825,7 @@ F: include/dt-bindings/reset/starfive-jh7100.h STATIC BRANCH/CALL M: Peter Zijlstra <peterz@infradead.org> -M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Josh Poimboeuf <jpoimboe@kernel.org> M: Jason Baron <jbaron@akamai.com> R: Steven Rostedt <rostedt@goodmis.org> R: Ard Biesheuvel <ardb@kernel.org> @@ -19833,7 +19834,7 @@ F: drivers/net/wireless/ti/ F: include/linux/wl12xx.h TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER -M: John Stultz <john.stultz@linaro.org> +M: John Stultz <jstultz@google.com> M: Thomas Gleixner <tglx@linutronix.de> R: Stephen Boyd <sboyd@kernel.org> L: linux-kernel@vger.kernel.org @@ -21484,7 +21485,7 @@ F: arch/x86/kernel/apic/x2apic_uv_x.c F: arch/x86/platform/uv/ X86 STACK UNWINDING -M: Josh Poimboeuf <jpoimboe@redhat.com> +M: Josh Poimboeuf <jpoimboe@kernel.org> M: Peter Zijlstra <peterz@infradead.org> S: Supported F: arch/x86/include/asm/unwind*.h @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 18 SUBLEVEL = 0 -EXTRAVERSION = -rc5 +EXTRAVERSION = -rc6 NAME = Superb Owl # *DOCUMENTATION* diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h index b05bb70a2e46..8026baf46e72 100644 --- a/arch/mips/include/asm/timex.h +++ b/arch/mips/include/asm/timex.h @@ -40,9 +40,9 @@ typedef unsigned int cycles_t; /* - * On R4000/R4400 before version 5.0 an erratum exists such that if the - * cycle counter is read in the exact moment that it is matching the - * compare register, no interrupt will be generated. + * On R4000/R4400 an erratum exists such that if the cycle counter is + * read in the exact moment that it is matching the compare register, + * no interrupt will be generated. * * There is a suggested workaround and also the erratum can't strike if * the compare interrupt isn't being used as the clock source device. @@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid) if (!__builtin_constant_p(cpu_has_counter)) asm volatile("" : "=m" (cpu_data[0].options)); if (likely(cpu_has_counter && - prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0)))) + prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15)))) return 1; else return 0; diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index caa01457dce6..ed339d7979f3 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug(void) case CPU_R4400MC: /* * The published errata for the R4400 up to 3.0 say the CPU - * has the mfc0 from count bug. + * has the mfc0 from count bug. This seems the last version + * produced. */ - if ((current_cpu_data.processor_id & 0xff) <= 0x30) - return 1; - - /* - * we assume newer revisions are ok - */ - return 0; + return 1; } return 0; diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 52e550b45692..bd22578859d0 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -38,6 +38,7 @@ config PARISC select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD select GENERIC_ARCH_TOPOLOGY if SMP + select GENERIC_CPU_DEVICES if !SMP select GENERIC_LIB_DEVMEM_IS_ALLOWED select SYSCTL_ARCH_UNALIGN_ALLOW select SYSCTL_EXCEPTION_TRACE diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig index a5fee10d76ee..8ce0ae370680 100644 --- a/arch/parisc/configs/generic-32bit_defconfig +++ b/arch/parisc/configs/generic-32bit_defconfig @@ -6,6 +6,9 @@ CONFIG_BSD_PROCESS_ACCT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 +CONFIG_CGROUPS=y +CONFIG_NAMESPACES=y +CONFIG_USER_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y CONFIG_PERF_EVENTS=y @@ -47,7 +50,6 @@ CONFIG_PARPORT=y CONFIG_PARPORT_PC=m CONFIG_PARPORT_1284=y CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_CRYPTOLOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=6144 CONFIG_BLK_DEV_SD=y diff --git a/arch/parisc/configs/generic-64bit_defconfig b/arch/parisc/configs/generic-64bit_defconfig index 1b8fd80cbe7f..57501b0aed92 100644 --- a/arch/parisc/configs/generic-64bit_defconfig +++ b/arch/parisc/configs/generic-64bit_defconfig @@ -16,6 +16,7 @@ CONFIG_CGROUPS=y CONFIG_MEMCG=y CONFIG_CGROUP_PIDS=y CONFIG_CPUSETS=y +CONFIG_USER_NS=y CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -267,9 +268,9 @@ CONFIG_CRYPTO_DEFLATE=m CONFIG_CRC_CCITT=m CONFIG_LIBCRC32C=y CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_KERNEL=y CONFIG_STRIP_ASM_SYMS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y -CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_SCHED_DEBUG is not set diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index 939db6fe620b..69765a6dbe89 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -160,7 +160,7 @@ extern void __update_cache(pte_t pte); #define SPACEID_SHIFT (MAX_ADDRBITS - 32) #else #define MAX_ADDRBITS (BITS_PER_LONG) -#define MAX_ADDRESS (1UL << MAX_ADDRBITS) +#define MAX_ADDRESS (1ULL << MAX_ADDRBITS) #define SPACEID_SHIFT 0 #endif diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 23348199f3f8..e7911225a4f8 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -403,7 +403,7 @@ void __init parisc_setup_cache_timing(void) { unsigned long rangetime, alltime; unsigned long size; - unsigned long threshold, threshold2; + unsigned long threshold; alltime = mfctl(16); flush_data_cache(); @@ -418,20 +418,8 @@ void __init parisc_setup_cache_timing(void) alltime, size, rangetime); threshold = L1_CACHE_ALIGN(size * alltime / rangetime); - - /* - * The threshold computed above isn't very reliable since the - * flush times depend greatly on the percentage of dirty lines - * in the flush range. Further, the whole cache time doesn't - * include the time to refill lines that aren't in the mm/vma - * being flushed. By timing glibc build and checks on mako cpus, - * the following formula seems to work reasonably well. The - * value from the timing calculation is too small, and increases - * build and check times by almost a factor two. - */ - threshold2 = cache_info.dc_size * num_online_cpus(); - if (threshold2 > threshold) - threshold = threshold2; + if (threshold > cache_info.dc_size) + threshold = cache_info.dc_size; if (threshold) parisc_cache_flush_threshold = threshold; printk(KERN_INFO "Cache flush threshold set to %lu KiB\n", diff --git a/arch/parisc/kernel/kprobes.c b/arch/parisc/kernel/kprobes.c index 3343d2fb7889..6e0b86652f30 100644 --- a/arch/parisc/kernel/kprobes.c +++ b/arch/parisc/kernel/kprobes.c @@ -152,7 +152,7 @@ int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs) /* for absolute branch instructions we can copy iaoq_b. for relative * branch instructions we need to calculate the new address based on the * difference between iaoq_f and iaoq_b. We cannot use iaoq_b without - * modificationt because it's based on our ainsn.insn address. + * modifications because it's based on our ainsn.insn address. */ if (p->post_handler) diff --git a/arch/parisc/kernel/patch.c b/arch/parisc/kernel/patch.c index e59574f65e64..80a0ab372802 100644 --- a/arch/parisc/kernel/patch.c +++ b/arch/parisc/kernel/patch.c @@ -40,7 +40,10 @@ static void __kprobes *patch_map(void *addr, int fixmap, unsigned long *flags, *need_unmap = 1; set_fixmap(fixmap, page_to_phys(page)); - raw_spin_lock_irqsave(&patch_lock, *flags); + if (flags) + raw_spin_lock_irqsave(&patch_lock, *flags); + else + __acquire(&patch_lock); return (void *) (__fix_to_virt(fixmap) + (uintaddr & ~PAGE_MASK)); } @@ -49,7 +52,10 @@ static void __kprobes patch_unmap(int fixmap, unsigned long *flags) { clear_fixmap(fixmap); - raw_spin_unlock_irqrestore(&patch_lock, *flags); + if (flags) + raw_spin_unlock_irqrestore(&patch_lock, *flags); + else + __release(&patch_lock); } void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len) @@ -61,9 +67,8 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len) int mapped; /* Make sure we don't have any aliases in cache */ - flush_kernel_dcache_range_asm(start, end); - flush_kernel_icache_range_asm(start, end); - flush_tlb_kernel_range(start, end); + flush_kernel_vmap_range(addr, len); + flush_icache_range(start, end); p = fixmap = patch_map(addr, FIX_TEXT_POKE0, &flags, &mapped); @@ -76,10 +81,8 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len) * We're crossing a page boundary, so * need to remap */ - flush_kernel_dcache_range_asm((unsigned long)fixmap, - (unsigned long)p); - flush_tlb_kernel_range((unsigned long)fixmap, - (unsigned long)p); + flush_kernel_vmap_range((void *)fixmap, + (p-fixmap) * sizeof(*p)); if (mapped) patch_unmap(FIX_TEXT_POKE0, &flags); p = fixmap = patch_map(addr, FIX_TEXT_POKE0, &flags, @@ -87,10 +90,10 @@ void __kprobes __patch_text_multiple(void *addr, u32 *insn, unsigned int len) } } - flush_kernel_dcache_range_asm((unsigned long)fixmap, (unsigned long)p); - flush_tlb_kernel_range((unsigned long)fixmap, (unsigned long)p); + flush_kernel_vmap_range((void *)fixmap, (p-fixmap) * sizeof(*p)); if (mapped) patch_unmap(FIX_TEXT_POKE0, &flags); + flush_icache_range(start, end); } void __kprobes __patch_text(void *addr, u32 insn) diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index d98692115221..26eb568f8b96 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -171,6 +171,7 @@ static int __init processor_probe(struct parisc_device *dev) p->cpu_num = cpu_info.cpu_num; p->cpu_loc = cpu_info.cpu_loc; + set_cpu_possible(cpuid, true); store_cpu_topology(cpuid); #ifdef CONFIG_SMP @@ -419,8 +420,7 @@ show_cpuinfo (struct seq_file *m, void *v) } seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities); - seq_printf(m, "model\t\t: %s\n" - "model name\t: %s\n", + seq_printf(m, "model\t\t: %s - %s\n", boot_cpu_data.pdc.sys_model_name, cpuinfo->dev ? cpuinfo->dev->name : "Unknown"); @@ -461,6 +461,13 @@ static struct parisc_driver cpu_driver __refdata = { */ void __init processor_init(void) { + unsigned int cpu; + reset_cpu_topology(); + + /* reset possible mask. We will mark those which are possible. */ + for_each_possible_cpu(cpu) + set_cpu_possible(cpu, false); + register_parisc_driver(&cpu_driver); } diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index b91cb45ffd4e..f005ddedb50e 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -161,6 +161,8 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_PA11 dma_ops_init(); #endif + + clear_sched_clock_stable(); } /* diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index bb27dfeeddfc..9714fbd7c42d 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -251,13 +251,9 @@ void __init time_init(void) static int __init init_cr16_clocksource(void) { /* - * The cr16 interval timers are not syncronized across CPUs, even if - * they share the same socket. + * The cr16 interval timers are not synchronized across CPUs. */ if (num_online_cpus() > 1 && !running_on_qemu) { - /* mark sched_clock unstable */ - clear_sched_clock_stable(); - clocksource_cr16.name = "cr16_unstable"; clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE; clocksource_cr16.rating = 0; diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index a6e61cf2cad0..b78f1b9d45c1 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -469,7 +469,7 @@ void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long o * panic notifiers, and we should call panic * directly from the location that we wish. * e.g. We should not call panic from - * parisc_terminate, but rather the oter way around. + * parisc_terminate, but rather the other way around. * This hack works, prints the panic message twice, * and it enables reboot timers! */ diff --git a/arch/parisc/math-emu/dfadd.c b/arch/parisc/math-emu/dfadd.c index ec487e07f004..00e561d4aa55 100644 --- a/arch/parisc/math-emu/dfadd.c +++ b/arch/parisc/math-emu/dfadd.c @@ -253,7 +253,7 @@ dbl_fadd( return(NOEXCEPTION); } right_exponent = 1; /* Set exponent to reflect different bias - * with denomalized numbers. */ + * with denormalized numbers. */ } else { diff --git a/arch/parisc/math-emu/dfsub.c b/arch/parisc/math-emu/dfsub.c index c4f30acf2d48..4f03782284bd 100644 --- a/arch/parisc/math-emu/dfsub.c +++ b/arch/parisc/math-emu/dfsub.c @@ -256,7 +256,7 @@ dbl_fsub( return(NOEXCEPTION); } right_exponent = 1; /* Set exponent to reflect different bias - * with denomalized numbers. */ + * with denormalized numbers. */ } else { diff --git a/arch/parisc/math-emu/sfadd.c b/arch/parisc/math-emu/sfadd.c index 838758279d5b..9b98c874dfac 100644 --- a/arch/parisc/math-emu/sfadd.c +++ b/arch/parisc/math-emu/sfadd.c @@ -249,7 +249,7 @@ sgl_fadd( return(NOEXCEPTION); } right_exponent = 1; /* Set exponent to reflect different bias - * with denomalized numbers. */ + * with denormalized numbers. */ } else { diff --git a/arch/parisc/math-emu/sfsub.c b/arch/parisc/math-emu/sfsub.c index 583d3ace4634..29d9eed09d12 100644 --- a/arch/parisc/math-emu/sfsub.c +++ b/arch/parisc/math-emu/sfsub.c @@ -252,7 +252,7 @@ sgl_fsub( return(NOEXCEPTION); } right_exponent = 1; /* Set exponent to reflect different bias - * with denomalized numbers. */ + * with denormalized numbers. */ } else { diff --git a/arch/powerpc/kernel/vdso/gettimeofday.S b/arch/powerpc/kernel/vdso/gettimeofday.S index eb9c81e1c218..0c4ecc8fec5a 100644 --- a/arch/powerpc/kernel/vdso/gettimeofday.S +++ b/arch/powerpc/kernel/vdso/gettimeofday.S @@ -22,12 +22,15 @@ .macro cvdso_call funct call_time=0 .cfi_startproc PPC_STLU r1, -PPC_MIN_STKFRM(r1) + .cfi_adjust_cfa_offset PPC_MIN_STKFRM mflr r0 - .cfi_register lr, r0 PPC_STLU r1, -PPC_MIN_STKFRM(r1) + .cfi_adjust_cfa_offset PPC_MIN_STKFRM PPC_STL r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1) + .cfi_rel_offset lr, PPC_MIN_STKFRM + PPC_LR_STKOFF #ifdef __powerpc64__ PPC_STL r2, PPC_MIN_STKFRM + STK_GOT(r1) + .cfi_rel_offset r2, PPC_MIN_STKFRM + STK_GOT #endif get_datapage r5 .ifeq \call_time @@ -39,13 +42,15 @@ PPC_LL r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1) #ifdef __powerpc64__ PPC_LL r2, PPC_MIN_STKFRM + STK_GOT(r1) + .cfi_restore r2 #endif .ifeq \call_time cmpwi r3, 0 .endif mtlr r0 - .cfi_restore lr addi r1, r1, 2 * PPC_MIN_STKFRM + .cfi_restore lr + .cfi_def_cfa_offset 0 crclr so .ifeq \call_time beqlr+ diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index f58728d5f10d..39962c905542 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -462,7 +462,6 @@ static int papr_scm_pmu_check_events(struct papr_scm_priv *p, struct nvdimm_pmu { struct papr_scm_perf_stat *stat; struct papr_scm_perf_stats *stats; - char *statid; int index, rc, count; u32 available_events; @@ -493,14 +492,12 @@ static int papr_scm_pmu_check_events(struct papr_scm_priv *p, struct nvdimm_pmu for (index = 0, stat = stats->scm_statistic, count = 0; index < available_events; index++, ++stat) { - statid = kzalloc(strlen(stat->stat_id) + 1, GFP_KERNEL); - if (!statid) { + p->nvdimm_events_map[count] = kmemdup_nul(stat->stat_id, 8, GFP_KERNEL); + if (!p->nvdimm_events_map[count]) { rc = -ENOMEM; goto out_nvdimm_events_map; } - strcpy(statid, stat->stat_id); - p->nvdimm_events_map[count] = statid; count++; } p->nvdimm_events_map[count] = NULL; diff --git a/arch/powerpc/platforms/pseries/vas-sysfs.c b/arch/powerpc/platforms/pseries/vas-sysfs.c index 909535ca513a..ec65586cbeb3 100644 --- a/arch/powerpc/platforms/pseries/vas-sysfs.c +++ b/arch/powerpc/platforms/pseries/vas-sysfs.c @@ -27,22 +27,31 @@ struct vas_caps_entry { /* * This function is used to get the notification from the drmgr when - * QoS credits are changed. Though receiving the target total QoS - * credits here, get the official QoS capabilities from the hypervisor. + * QoS credits are changed. */ -static ssize_t update_total_credits_trigger(struct vas_cop_feat_caps *caps, +static ssize_t update_total_credits_store(struct vas_cop_feat_caps *caps, const char *buf, size_t count) { int err; u16 creds; err = kstrtou16(buf, 0, &creds); + /* + * The user space interface from the management console + * notifies OS with the new QoS credits and then the + * hypervisor. So OS has to use this new credits value + * and reconfigure VAS windows (close or reopen depends + * on the credits available) instead of depending on VAS + * QoS capabilities from the hypervisor. + */ if (!err) - err = vas_reconfig_capabilties(caps->win_type); + err = vas_reconfig_capabilties(caps->win_type, creds); if (err) return -EINVAL; + pr_info("Set QoS total credits %u\n", creds); + return count; } @@ -92,7 +101,7 @@ VAS_ATTR_RO(nr_total_credits); VAS_ATTR_RO(nr_used_credits); static struct vas_sysfs_entry update_total_credits_attribute = - __ATTR(update_total_credits, 0200, NULL, update_total_credits_trigger); + __ATTR(update_total_credits, 0200, NULL, update_total_credits_store); static struct attribute *vas_def_capab_attrs[] = { &nr_total_credits_attribute.attr, diff --git a/arch/powerpc/platforms/pseries/vas.c b/arch/powerpc/platforms/pseries/vas.c index 1f59d78c77a1..ec643bbdb67f 100644 --- a/arch/powerpc/platforms/pseries/vas.c +++ b/arch/powerpc/platforms/pseries/vas.c @@ -779,10 +779,10 @@ static int reconfig_close_windows(struct vas_caps *vcap, int excess_creds, * changes. Reconfig window configurations based on the credits * availability from this new capabilities. */ -int vas_reconfig_capabilties(u8 type) +int vas_reconfig_capabilties(u8 type, int new_nr_creds) { struct vas_cop_feat_caps *caps; - int old_nr_creds, new_nr_creds; + int old_nr_creds; struct vas_caps *vcaps; int rc = 0, nr_active_wins; @@ -795,12 +795,6 @@ int vas_reconfig_capabilties(u8 type) caps = &vcaps->caps; mutex_lock(&vas_pseries_mutex); - rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, vcaps->feat, - (u64)virt_to_phys(&hv_cop_caps)); - if (rc) - goto out; - - new_nr_creds = be16_to_cpu(hv_cop_caps.target_lpar_creds); old_nr_creds = atomic_read(&caps->nr_total_credits); @@ -832,7 +826,6 @@ int vas_reconfig_capabilties(u8 type) false); } -out: mutex_unlock(&vas_pseries_mutex); return rc; } @@ -850,7 +843,7 @@ static int pseries_vas_notifier(struct notifier_block *nb, struct of_reconfig_data *rd = data; struct device_node *dn = rd->dn; const __be32 *intserv = NULL; - int len, rc = 0; + int new_nr_creds, len, rc = 0; if ((action == OF_RECONFIG_ATTACH_NODE) || (action == OF_RECONFIG_DETACH_NODE)) @@ -862,7 +855,15 @@ static int pseries_vas_notifier(struct notifier_block *nb, if (!intserv) return NOTIFY_OK; - rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE); + rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, + vascaps[VAS_GZIP_DEF_FEAT_TYPE].feat, + (u64)virt_to_phys(&hv_cop_caps)); + if (!rc) { + new_nr_creds = be16_to_cpu(hv_cop_caps.target_lpar_creds); + rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE, + new_nr_creds); + } + if (rc) pr_err("Failed reconfig VAS capabilities with DLPAR\n"); diff --git a/arch/powerpc/platforms/pseries/vas.h b/arch/powerpc/platforms/pseries/vas.h index 34177881e998..333ffa2f9f42 100644 --- a/arch/powerpc/platforms/pseries/vas.h +++ b/arch/powerpc/platforms/pseries/vas.h @@ -135,7 +135,7 @@ struct pseries_vas_window { }; int sysfs_add_vas_caps(struct vas_cop_feat_caps *caps); -int vas_reconfig_capabilties(u8 type); +int vas_reconfig_capabilties(u8 type, int new_nr_creds); int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps); #ifdef CONFIG_PPC_VAS diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index b0793dc0c291..05ed641a1134 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -208,8 +208,25 @@ static void __init setup_bootmem(void) * early_init_fdt_reserve_self() since __pa() does * not work for DTB pointers that are fixmap addresses */ - if (!IS_ENABLED(CONFIG_BUILTIN_DTB)) - memblock_reserve(dtb_early_pa, fdt_totalsize(dtb_early_va)); + if (!IS_ENABLED(CONFIG_BUILTIN_DTB)) { + /* + * In case the DTB is not located in a memory region we won't + * be able to locate it later on via the linear mapping and + * get a segfault when accessing it via __va(dtb_early_pa). + * To avoid this situation copy DTB to a memory region. + * Note that memblock_phys_alloc will also reserve DTB region. + */ + if (!memblock_is_memory(dtb_early_pa)) { + size_t fdt_size = fdt_totalsize(dtb_early_va); + phys_addr_t new_dtb_early_pa = memblock_phys_alloc(fdt_size, PAGE_SIZE); + void *new_dtb_early_va = early_memremap(new_dtb_early_pa, fdt_size); + + memcpy(new_dtb_early_va, dtb_early_va, fdt_size); + early_memunmap(new_dtb_early_va, fdt_size); + _dtb_early_pa = new_dtb_early_pa; + } else + memblock_reserve(dtb_early_pa, fdt_totalsize(dtb_early_va)); + } early_init_fdt_scan_reserved_mem(); dma_contiguous_reserve(dma32_phys_limit); diff --git a/arch/s390/Makefile b/arch/s390/Makefile index e441b60b1812..df325eacf62d 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -30,6 +30,16 @@ KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-protector KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member) KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g) KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,)) + +ifdef CONFIG_CC_IS_GCC + ifeq ($(call cc-ifversion, -ge, 1200, y), y) + ifeq ($(call cc-ifversion, -lt, 1300, y), y) + KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds) + KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, array-bounds) + endif + endif +endif + UTS_MACHINE := s390x STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384) CHECKFLAGS += -D__s390__ -D__s390x__ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index da3dabda1a12..76ad6408cb2c 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2384,7 +2384,16 @@ static int kvm_s390_vm_mem_op(struct kvm *kvm, struct kvm_s390_mem_op *mop) return -EINVAL; if (mop->size > MEM_OP_MAX_SIZE) return -E2BIG; - if (kvm_s390_pv_is_protected(kvm)) + /* + * This is technically a heuristic only, if the kvm->lock is not + * taken, it is not guaranteed that the vm is/remains non-protected. + * This is ok from a kernel perspective, wrongdoing is detected + * on the access, -EFAULT is returned and the vm may crash the + * next time it accesses the memory in question. + * There is no sane usecase to do switching and a memop on two + * different CPUs at the same time. + */ + if (kvm_s390_pv_get_handle(kvm)) return -EINVAL; if (mop->flags & KVM_S390_MEMOP_F_SKEY_PROTECTION) { if (access_key_invalid(mop->key)) diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index af03cacf34ec..1ac73917a8d3 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -1183,6 +1183,7 @@ EXPORT_SYMBOL_GPL(gmap_read_table); static inline void gmap_insert_rmap(struct gmap *sg, unsigned long vmaddr, struct gmap_rmap *rmap) { + struct gmap_rmap *temp; void __rcu **slot; BUG_ON(!gmap_is_shadow(sg)); @@ -1190,6 +1191,12 @@ static inline void gmap_insert_rmap(struct gmap *sg, unsigned long vmaddr, if (slot) { rmap->next = radix_tree_deref_slot_protected(slot, &sg->guest_table_lock); + for (temp = rmap->next; temp; temp = temp->next) { + if (temp->raddr == rmap->raddr) { + kfree(rmap); + return; + } + } radix_tree_replace_slot(&sg->host_to_rmap, slot, rmap); } else { rmap->next = NULL; diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index c049561f373a..e28ab0ecc537 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -41,17 +41,7 @@ struct fpu_state_config fpu_user_cfg __ro_after_init; */ struct fpstate init_fpstate __ro_after_init; -/* - * Track whether the kernel is using the FPU state - * currently. - * - * This flag is used: - * - * - by IRQ context code to potentially use the FPU - * if it's unused. - * - * - to debug kernel_fpu_begin()/end() correctness - */ +/* Track in-kernel FPU usage */ static DEFINE_PER_CPU(bool, in_kernel_fpu); /* @@ -59,42 +49,37 @@ static DEFINE_PER_CPU(bool, in_kernel_fpu); */ DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); -static bool kernel_fpu_disabled(void) -{ - return this_cpu_read(in_kernel_fpu); -} - -static bool interrupted_kernel_fpu_idle(void) -{ - return !kernel_fpu_disabled(); -} - -/* - * Were we in user mode (or vm86 mode) when we were - * interrupted? - * - * Doing kernel_fpu_begin/end() is ok if we are running - * in an interrupt context from user mode - we'll just - * save the FPU state as required. - */ -static bool interrupted_user_mode(void) -{ - struct pt_regs *regs = get_irq_regs(); - return regs && user_mode(regs); -} - /* * Can we use the FPU in kernel mode with the * whole "kernel_fpu_begin/end()" sequence? - * - * It's always ok in process context (ie "not interrupt") - * but it is sometimes ok even from an irq. */ bool irq_fpu_usable(void) { - return !in_interrupt() || - interrupted_user_mode() || - interrupted_kernel_fpu_idle(); + if (WARN_ON_ONCE(in_nmi())) + return false; + + /* In kernel FPU usage already active? */ + if (this_cpu_read(in_kernel_fpu)) + return false; + + /* + * When not in NMI or hard interrupt context, FPU can be used in: + * + * - Task context except from within fpregs_lock()'ed critical + * regions. + * + * - Soft interrupt processing context which cannot happen + * while in a fpregs_lock()'ed critical region. + */ + if (!in_hardirq()) + return true; + + /* + * In hard interrupt context it's safe when soft interrupts + * are enabled, which means the interrupt did not hit in + * a fpregs_lock()'ed critical region. + */ + return !softirq_count(); } EXPORT_SYMBOL(irq_fpu_usable); diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 598334ed5fbc..0c1ba6aa0765 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -887,6 +887,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) union cpuid10_eax eax; union cpuid10_edx edx; + if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) { + entry->eax = entry->ebx = entry->ecx = entry->edx = 0; + break; + } + perf_get_x86_pmu_capability(&cap); /* diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 64a2a7e2be90..311e4e1d7870 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -473,30 +473,6 @@ retry: } #endif -static bool spte_has_volatile_bits(u64 spte) -{ - if (!is_shadow_present_pte(spte)) - return false; - - /* - * Always atomically update spte if it can be updated - * out of mmu-lock, it can ensure dirty bit is not lost, - * also, it can help us to get a stable is_writable_pte() - * to ensure tlb flush is not missed. - */ - if (spte_can_locklessly_be_made_writable(spte) || - is_access_track_spte(spte)) - return true; - - if (spte_ad_enabled(spte)) { - if ((spte & shadow_accessed_mask) == 0 || - (is_writable_pte(spte) && (spte & shadow_dirty_mask) == 0)) - return true; - } - - return false; -} - /* Rules for using mmu_spte_set: * Set the sptep from nonpresent to present. * Note: the sptep being assigned *must* be either not present @@ -557,7 +533,7 @@ static bool mmu_spte_update(u64 *sptep, u64 new_spte) * we always atomically update it, see the comments in * spte_has_volatile_bits(). */ - if (spte_can_locklessly_be_made_writable(old_spte) && + if (is_mmu_writable_spte(old_spte) && !is_writable_pte(new_spte)) flush = true; @@ -591,7 +567,8 @@ static int mmu_spte_clear_track_bits(struct kvm *kvm, u64 *sptep) u64 old_spte = *sptep; int level = sptep_to_sp(sptep)->role.level; - if (!spte_has_volatile_bits(old_spte)) + if (!is_shadow_present_pte(old_spte) || + !spte_has_volatile_bits(old_spte)) __update_clear_spte_fast(sptep, 0ull); else old_spte = __update_clear_spte_slow(sptep, 0ull); @@ -1187,7 +1164,7 @@ static bool spte_write_protect(u64 *sptep, bool pt_protect) u64 spte = *sptep; if (!is_writable_pte(spte) && - !(pt_protect && spte_can_locklessly_be_made_writable(spte))) + !(pt_protect && is_mmu_writable_spte(spte))) return false; rmap_printk("spte %p %llx\n", sptep, *sptep); @@ -3196,8 +3173,7 @@ static int fast_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) * be removed in the fast path only if the SPTE was * write-protected for dirty-logging or access tracking. */ - if (fault->write && - spte_can_locklessly_be_made_writable(spte)) { + if (fault->write && is_mmu_writable_spte(spte)) { new_spte |= PT_WRITABLE_MASK; /* diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c index 4739b53c9734..e5c0b6db6f2c 100644 --- a/arch/x86/kvm/mmu/spte.c +++ b/arch/x86/kvm/mmu/spte.c @@ -90,6 +90,34 @@ static bool kvm_is_mmio_pfn(kvm_pfn_t pfn) E820_TYPE_RAM); } +/* + * Returns true if the SPTE has bits that may be set without holding mmu_lock. + * The caller is responsible for checking if the SPTE is shadow-present, and + * for determining whether or not the caller cares about non-leaf SPTEs. + */ +bool spte_has_volatile_bits(u64 spte) +{ + /* + * Always atomically update spte if it can be updated + * out of mmu-lock, it can ensure dirty bit is not lost, + * also, it can help us to get a stable is_writable_pte() + * to ensure tlb flush is not missed. + */ + if (!is_writable_pte(spte) && is_mmu_writable_spte(spte)) + return true; + + if (is_access_track_spte(spte)) + return true; + + if (spte_ad_enabled(spte)) { + if (!(spte & shadow_accessed_mask) || + (is_writable_pte(spte) && !(spte & shadow_dirty_mask))) + return true; + } + + return false; +} + bool make_spte(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, const struct kvm_memory_slot *slot, unsigned int pte_access, gfn_t gfn, kvm_pfn_t pfn, diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h index e4abeb5df1b1..80ab0f5cff01 100644 --- a/arch/x86/kvm/mmu/spte.h +++ b/arch/x86/kvm/mmu/spte.h @@ -390,7 +390,7 @@ static inline void check_spte_writable_invariants(u64 spte) "kvm: Writable SPTE is not MMU-writable: %llx", spte); } -static inline bool spte_can_locklessly_be_made_writable(u64 spte) +static inline bool is_mmu_writable_spte(u64 spte) { return spte & shadow_mmu_writable_mask; } @@ -404,6 +404,8 @@ static inline u64 get_mmio_spte_generation(u64 spte) return gen; } +bool spte_has_volatile_bits(u64 spte); + bool make_spte(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, const struct kvm_memory_slot *slot, unsigned int pte_access, gfn_t gfn, kvm_pfn_t pfn, diff --git a/arch/x86/kvm/mmu/tdp_iter.h b/arch/x86/kvm/mmu/tdp_iter.h index b1eaf6ec0e0b..f0af385c56e0 100644 --- a/arch/x86/kvm/mmu/tdp_iter.h +++ b/arch/x86/kvm/mmu/tdp_iter.h @@ -6,6 +6,7 @@ #include <linux/kvm_host.h> #include "mmu.h" +#include "spte.h" /* * TDP MMU SPTEs are RCU protected to allow paging structures (non-leaf SPTEs) @@ -17,9 +18,38 @@ static inline u64 kvm_tdp_mmu_read_spte(tdp_ptep_t sptep) { return READ_ONCE(*rcu_dereference(sptep)); } -static inline void kvm_tdp_mmu_write_spte(tdp_ptep_t sptep, u64 val) + +static inline u64 kvm_tdp_mmu_write_spte_atomic(tdp_ptep_t sptep, u64 new_spte) +{ + return xchg(rcu_dereference(sptep), new_spte); +} + +static inline void __kvm_tdp_mmu_write_spte(tdp_ptep_t sptep, u64 new_spte) +{ + WRITE_ONCE(*rcu_dereference(sptep), new_spte); +} + +static inline u64 kvm_tdp_mmu_write_spte(tdp_ptep_t sptep, u64 old_spte, + u64 new_spte, int level) { - WRITE_ONCE(*rcu_dereference(sptep), val); + /* + * Atomically write the SPTE if it is a shadow-present, leaf SPTE with + * volatile bits, i.e. has bits that can be set outside of mmu_lock. + * The Writable bit can be set by KVM's fast page fault handler, and + * Accessed and Dirty bits can be set by the CPU. + * + * Note, non-leaf SPTEs do have Accessed bits and those bits are + * technically volatile, but KVM doesn't consume the Accessed bit of + * non-leaf SPTEs, i.e. KVM doesn't care if it clobbers the bit. This + * logic needs to be reassessed if KVM were to use non-leaf Accessed + * bits, e.g. to skip stepping down into child SPTEs when aging SPTEs. + */ + if (is_shadow_present_pte(old_spte) && is_last_spte(old_spte, level) && + spte_has_volatile_bits(old_spte)) + return kvm_tdp_mmu_write_spte_atomic(sptep, new_spte); + + __kvm_tdp_mmu_write_spte(sptep, new_spte); + return old_spte; } /* diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index edc68538819b..922b06bf4b94 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -426,9 +426,9 @@ static void handle_removed_pt(struct kvm *kvm, tdp_ptep_t pt, bool shared) tdp_mmu_unlink_sp(kvm, sp, shared); for (i = 0; i < PT64_ENT_PER_PAGE; i++) { - u64 *sptep = rcu_dereference(pt) + i; + tdp_ptep_t sptep = pt + i; gfn_t gfn = base_gfn + i * KVM_PAGES_PER_HPAGE(level); - u64 old_child_spte; + u64 old_spte; if (shared) { /* @@ -440,8 +440,8 @@ static void handle_removed_pt(struct kvm *kvm, tdp_ptep_t pt, bool shared) * value to the removed SPTE value. */ for (;;) { - old_child_spte = xchg(sptep, REMOVED_SPTE); - if (!is_removed_spte(old_child_spte)) + old_spte = kvm_tdp_mmu_write_spte_atomic(sptep, REMOVED_SPTE); + if (!is_removed_spte(old_spte)) break; cpu_relax(); } @@ -455,23 +455,43 @@ static void handle_removed_pt(struct kvm *kvm, tdp_ptep_t pt, bool shared) * are guarded by the memslots generation, not by being * unreachable. */ - old_child_spte = READ_ONCE(*sptep); - if (!is_shadow_present_pte(old_child_spte)) + old_spte = kvm_tdp_mmu_read_spte(sptep); + if (!is_shadow_present_pte(old_spte)) continue; /* - * Marking the SPTE as a removed SPTE is not - * strictly necessary here as the MMU lock will - * stop other threads from concurrently modifying - * this SPTE. Using the removed SPTE value keeps - * the two branches consistent and simplifies - * the function. + * Use the common helper instead of a raw WRITE_ONCE as + * the SPTE needs to be updated atomically if it can be + * modified by a different vCPU outside of mmu_lock. + * Even though the parent SPTE is !PRESENT, the TLB + * hasn't yet been flushed, and both Intel and AMD + * document that A/D assists can use upper-level PxE + * entries that are cached in the TLB, i.e. the CPU can + * still access the page and mark it dirty. + * + * No retry is needed in the atomic update path as the + * sole concern is dropping a Dirty bit, i.e. no other + * task can zap/remove the SPTE as mmu_lock is held for + * write. Marking the SPTE as a removed SPTE is not + * strictly necessary for the same reason, but using + * the remove SPTE value keeps the shared/exclusive + * paths consistent and allows the handle_changed_spte() + * call below to hardcode the new value to REMOVED_SPTE. + * + * Note, even though dropping a Dirty bit is the only + * scenario where a non-atomic update could result in a + * functional bug, simply checking the Dirty bit isn't + * sufficient as a fast page fault could read the upper + * level SPTE before it is zapped, and then make this + * target SPTE writable, resume the guest, and set the + * Dirty bit between reading the SPTE above and writing + * it here. */ - WRITE_ONCE(*sptep, REMOVED_SPTE); + old_spte = kvm_tdp_mmu_write_spte(sptep, old_spte, + REMOVED_SPTE, level); } handle_changed_spte(kvm, kvm_mmu_page_as_id(sp), gfn, - old_child_spte, REMOVED_SPTE, level, - shared); + old_spte, REMOVED_SPTE, level, shared); } call_rcu(&sp->rcu_head, tdp_mmu_free_sp_rcu_callback); @@ -667,14 +687,13 @@ static inline int tdp_mmu_zap_spte_atomic(struct kvm *kvm, KVM_PAGES_PER_HPAGE(iter->level)); /* - * No other thread can overwrite the removed SPTE as they - * must either wait on the MMU lock or use - * tdp_mmu_set_spte_atomic which will not overwrite the - * special removed SPTE value. No bookkeeping is needed - * here since the SPTE is going from non-present - * to non-present. + * No other thread can overwrite the removed SPTE as they must either + * wait on the MMU lock or use tdp_mmu_set_spte_atomic() which will not + * overwrite the special removed SPTE value. No bookkeeping is needed + * here since the SPTE is going from non-present to non-present. Use + * the raw write helper to avoid an unnecessary check on volatile bits. */ - kvm_tdp_mmu_write_spte(iter->sptep, 0); + __kvm_tdp_mmu_write_spte(iter->sptep, 0); return 0; } @@ -699,10 +718,13 @@ static inline int tdp_mmu_zap_spte_atomic(struct kvm *kvm, * unless performing certain dirty logging operations. * Leaving record_dirty_log unset in that case prevents page * writes from being double counted. + * + * Returns the old SPTE value, which _may_ be different than @old_spte if the + * SPTE had voldatile bits. */ -static void __tdp_mmu_set_spte(struct kvm *kvm, int as_id, tdp_ptep_t sptep, - u64 old_spte, u64 new_spte, gfn_t gfn, int level, - bool record_acc_track, bool record_dirty_log) +static u64 __tdp_mmu_set_spte(struct kvm *kvm, int as_id, tdp_ptep_t sptep, + u64 old_spte, u64 new_spte, gfn_t gfn, int level, + bool record_acc_track, bool record_dirty_log) { lockdep_assert_held_write(&kvm->mmu_lock); @@ -715,7 +737,7 @@ static void __tdp_mmu_set_spte(struct kvm *kvm, int as_id, tdp_ptep_t sptep, */ WARN_ON(is_removed_spte(old_spte) || is_removed_spte(new_spte)); - kvm_tdp_mmu_write_spte(sptep, new_spte); + old_spte = kvm_tdp_mmu_write_spte(sptep, old_spte, new_spte, level); __handle_changed_spte(kvm, as_id, gfn, old_spte, new_spte, level, false); @@ -724,6 +746,7 @@ static void __tdp_mmu_set_spte(struct kvm *kvm, int as_id, tdp_ptep_t sptep, if (record_dirty_log) handle_changed_spte_dirty_log(kvm, as_id, gfn, old_spte, new_spte, level); + return old_spte; } static inline void _tdp_mmu_set_spte(struct kvm *kvm, struct tdp_iter *iter, @@ -732,9 +755,10 @@ static inline void _tdp_mmu_set_spte(struct kvm *kvm, struct tdp_iter *iter, { WARN_ON_ONCE(iter->yielded); - __tdp_mmu_set_spte(kvm, iter->as_id, iter->sptep, iter->old_spte, - new_spte, iter->gfn, iter->level, - record_acc_track, record_dirty_log); + iter->old_spte = __tdp_mmu_set_spte(kvm, iter->as_id, iter->sptep, + iter->old_spte, new_spte, + iter->gfn, iter->level, + record_acc_track, record_dirty_log); } static inline void tdp_mmu_set_spte(struct kvm *kvm, struct tdp_iter *iter, diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c index b14860863c39..16a5ebb420cf 100644 --- a/arch/x86/kvm/svm/pmu.c +++ b/arch/x86/kvm/svm/pmu.c @@ -45,6 +45,22 @@ static struct kvm_event_hw_type_mapping amd_event_mapping[] = { [7] = { 0xd1, 0x00, PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, }; +/* duplicated from amd_f17h_perfmon_event_map. */ +static struct kvm_event_hw_type_mapping amd_f17h_event_mapping[] = { + [0] = { 0x76, 0x00, PERF_COUNT_HW_CPU_CYCLES }, + [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS }, + [2] = { 0x60, 0xff, PERF_COUNT_HW_CACHE_REFERENCES }, + [3] = { 0x64, 0x09, PERF_COUNT_HW_CACHE_MISSES }, + [4] = { 0xc2, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, + [5] = { 0xc3, 0x00, PERF_COUNT_HW_BRANCH_MISSES }, + [6] = { 0x87, 0x02, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, + [7] = { 0x87, 0x01, PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, +}; + +/* amd_pmc_perf_hw_id depends on these being the same size */ +static_assert(ARRAY_SIZE(amd_event_mapping) == + ARRAY_SIZE(amd_f17h_event_mapping)); + static unsigned int get_msr_base(struct kvm_pmu *pmu, enum pmu_type type) { struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu); @@ -140,6 +156,7 @@ static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr, static unsigned int amd_pmc_perf_hw_id(struct kvm_pmc *pmc) { + struct kvm_event_hw_type_mapping *event_mapping; u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT; u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8; int i; @@ -148,15 +165,20 @@ static unsigned int amd_pmc_perf_hw_id(struct kvm_pmc *pmc) if (WARN_ON(pmc_is_fixed(pmc))) return PERF_COUNT_HW_MAX; + if (guest_cpuid_family(pmc->vcpu) >= 0x17) + event_mapping = amd_f17h_event_mapping; + else + event_mapping = amd_event_mapping; + for (i = 0; i < ARRAY_SIZE(amd_event_mapping); i++) - if (amd_event_mapping[i].eventsel == event_select - && amd_event_mapping[i].unit_mask == unit_mask) + if (event_mapping[i].eventsel == event_select + && event_mapping[i].unit_mask == unit_mask) break; if (i == ARRAY_SIZE(amd_event_mapping)) return PERF_COUNT_HW_MAX; - return amd_event_mapping[i].event_type; + return event_mapping[i].event_type; } /* check if a PMC is enabled by comparing it against global_ctrl bits. Because diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 0ad70c12c7c3..7c392873626f 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -1594,24 +1594,51 @@ static void sev_unlock_two_vms(struct kvm *dst_kvm, struct kvm *src_kvm) atomic_set_release(&src_sev->migration_in_progress, 0); } +/* vCPU mutex subclasses. */ +enum sev_migration_role { + SEV_MIGRATION_SOURCE = 0, + SEV_MIGRATION_TARGET, + SEV_NR_MIGRATION_ROLES, +}; -static int sev_lock_vcpus_for_migration(struct kvm *kvm) +static int sev_lock_vcpus_for_migration(struct kvm *kvm, + enum sev_migration_role role) { struct kvm_vcpu *vcpu; unsigned long i, j; + bool first = true; kvm_for_each_vcpu(i, vcpu, kvm) { - if (mutex_lock_killable(&vcpu->mutex)) + if (mutex_lock_killable_nested(&vcpu->mutex, role)) goto out_unlock; + + if (first) { + /* + * Reset the role to one that avoids colliding with + * the role used for the first vcpu mutex. + */ + role = SEV_NR_MIGRATION_ROLES; + first = false; + } else { + mutex_release(&vcpu->mutex.dep_map, _THIS_IP_); + } } return 0; out_unlock: + + first = true; kvm_for_each_vcpu(j, vcpu, kvm) { if (i == j) break; + if (first) + first = false; + else + mutex_acquire(&vcpu->mutex.dep_map, role, 0, _THIS_IP_); + + mutex_unlock(&vcpu->mutex); } return -EINTR; @@ -1621,8 +1648,15 @@ static void sev_unlock_vcpus_for_migration(struct kvm *kvm) { struct kvm_vcpu *vcpu; unsigned long i; + bool first = true; kvm_for_each_vcpu(i, vcpu, kvm) { + if (first) + first = false; + else + mutex_acquire(&vcpu->mutex.dep_map, + SEV_NR_MIGRATION_ROLES, 0, _THIS_IP_); + mutex_unlock(&vcpu->mutex); } } @@ -1748,10 +1782,10 @@ int sev_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd) charged = true; } - ret = sev_lock_vcpus_for_migration(kvm); + ret = sev_lock_vcpus_for_migration(kvm, SEV_MIGRATION_SOURCE); if (ret) goto out_dst_cgroup; - ret = sev_lock_vcpus_for_migration(source_kvm); + ret = sev_lock_vcpus_for_migration(source_kvm, SEV_MIGRATION_TARGET); if (ret) goto out_dst_vcpu; diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index d58b763df855..610355b9ccce 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -5472,7 +5472,7 @@ static bool vmx_emulation_required_with_pending_exception(struct kvm_vcpu *vcpu) struct vcpu_vmx *vmx = to_vmx(vcpu); return vmx->emulation_required && !vmx->rmode.vm86_active && - vcpu->arch.exception.pending; + (vcpu->arch.exception.pending || vcpu->arch.exception.injected); } static int handle_invalid_guest_state(struct kvm_vcpu *vcpu) diff --git a/block/blk-core.c b/block/blk-core.c index 937bb6b86331..bc0506772152 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -50,7 +50,6 @@ #include "blk-pm.h" #include "blk-cgroup.h" #include "blk-throttle.h" -#include "blk-rq-qos.h" struct dentry *blk_debugfs_root; @@ -315,9 +314,6 @@ void blk_cleanup_queue(struct request_queue *q) */ blk_freeze_queue(q); - /* cleanup rq qos structures for queue without disk */ - rq_qos_exit(q); - blk_queue_flag_set(QUEUE_FLAG_DEAD, q); blk_sync_queue(q); diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 5d819a466e2f..e232cc4fd444 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -303,6 +303,7 @@ static struct atari_floppy_struct { int ref; int type; struct blk_mq_tag_set tag_set; + int error_count; } unit[FD_MAX_UNITS]; #define UD unit[drive] @@ -705,14 +706,14 @@ static void fd_error( void ) if (!fd_request) return; - fd_request->error_count++; - if (fd_request->error_count >= MAX_ERRORS) { + unit[SelectedDrive].error_count++; + if (unit[SelectedDrive].error_count >= MAX_ERRORS) { printk(KERN_ERR "fd%d: too many errors.\n", SelectedDrive ); fd_end_request_cur(BLK_STS_IOERR); finish_fdc(); return; } - else if (fd_request->error_count == RECALIBRATE_ERRORS) { + else if (unit[SelectedDrive].error_count == RECALIBRATE_ERRORS) { printk(KERN_WARNING "fd%d: recalibrating\n", SelectedDrive ); if (SelectedDrive != -1) SUD.track = -1; @@ -1491,7 +1492,7 @@ static void setup_req_params( int drive ) ReqData = ReqBuffer + 512 * ReqCnt; if (UseTrackbuffer) - read_track = (ReqCmd == READ && fd_request->error_count == 0); + read_track = (ReqCmd == READ && unit[drive].error_count == 0); else read_track = 0; @@ -1520,6 +1521,7 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx, return BLK_STS_RESOURCE; } fd_request = bd->rq; + unit[drive].error_count = 0; blk_mq_start_request(fd_request); atari_disable_irq( IRQ_MFP_FDC ); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index d5b9ff9bcbb2..015841f50f4e 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -509,8 +509,8 @@ static unsigned long fdc_busy; static DECLARE_WAIT_QUEUE_HEAD(fdc_wait); static DECLARE_WAIT_QUEUE_HEAD(command_done); -/* Errors during formatting are counted here. */ -static int format_errors; +/* errors encountered on the current (or last) request */ +static int floppy_errors; /* Format request descriptor. */ static struct format_descr format_req; @@ -530,7 +530,6 @@ static struct format_descr format_req; static char *floppy_track_buffer; static int max_buffer_sectors; -static int *errors; typedef void (*done_f)(int); static const struct cont_t { void (*interrupt)(void); @@ -1455,7 +1454,7 @@ static int interpret_errors(void) if (drive_params[current_drive].flags & FTD_MSG) DPRINT("Over/Underrun - retrying\n"); bad = 0; - } else if (*errors >= drive_params[current_drive].max_errors.reporting) { + } else if (floppy_errors >= drive_params[current_drive].max_errors.reporting) { print_errors(); } if (reply_buffer[ST2] & ST2_WC || reply_buffer[ST2] & ST2_BC) @@ -2095,7 +2094,7 @@ static void bad_flp_intr(void) if (!next_valid_format(current_drive)) return; } - err_count = ++(*errors); + err_count = ++floppy_errors; INFBOUND(write_errors[current_drive].badness, err_count); if (err_count > drive_params[current_drive].max_errors.abort) cont->done(0); @@ -2241,9 +2240,8 @@ static int do_format(int drive, struct format_descr *tmp_format_req) return -EINVAL; } format_req = *tmp_format_req; - format_errors = 0; cont = &format_cont; - errors = &format_errors; + floppy_errors = 0; ret = wait_til_done(redo_format, true); if (ret == -EINTR) return -EINTR; @@ -2759,10 +2757,11 @@ static int set_next_request(void) current_req = list_first_entry_or_null(&floppy_reqs, struct request, queuelist); if (current_req) { - current_req->error_count = 0; + floppy_errors = 0; list_del_init(¤t_req->queuelist); + return 1; } - return current_req != NULL; + return 0; } /* Starts or continues processing request. Will automatically unlock the @@ -2821,7 +2820,6 @@ do_request: _floppy = floppy_type + drive_params[current_drive].autodetect[drive_state[current_drive].probed_format]; } else probing = 0; - errors = &(current_req->error_count); tmp = make_raw_rw_request(); if (tmp < 2) { request_done(tmp); diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c index 54be88167c60..f3b3953cac83 100644 --- a/drivers/firewire/core-card.c +++ b/drivers/firewire/core-card.c @@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(fw_card_release); void fw_core_remove_card(struct fw_card *card) { struct fw_card_driver dummy_driver = dummy_driver_template; + unsigned long flags; card->driver->update_phy_reg(card, 4, PHY_LINK_ACTIVE | PHY_CONTENDER, 0); @@ -682,7 +683,9 @@ void fw_core_remove_card(struct fw_card *card) dummy_driver.stop_iso = card->driver->stop_iso; card->driver = &dummy_driver; + spin_lock_irqsave(&card->lock, flags); fw_destroy_nodes(card); + spin_unlock_irqrestore(&card->lock, flags); /* Wait for all users, especially device workqueue jobs, to finish. */ fw_card_put(card); diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 9f89c17730b1..708e417200f4 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1500,6 +1500,7 @@ static void outbound_phy_packet_callback(struct fw_packet *packet, { struct outbound_phy_packet_event *e = container_of(packet, struct outbound_phy_packet_event, p); + struct client *e_client; switch (status) { /* expected: */ @@ -1516,9 +1517,10 @@ static void outbound_phy_packet_callback(struct fw_packet *packet, } e->phy_packet.data[0] = packet->timestamp; + e_client = e->client; queue_event(e->client, &e->event, &e->phy_packet, sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0); - client_put(e->client); + client_put(e_client); } static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg) diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c index b63d55f5ebd3..f40c81534381 100644 --- a/drivers/firewire/core-topology.c +++ b/drivers/firewire/core-topology.c @@ -375,16 +375,13 @@ static void report_found_node(struct fw_card *card, card->bm_retries = 0; } +/* Must be called with card->lock held */ void fw_destroy_nodes(struct fw_card *card) { - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); card->color++; if (card->local_node != NULL) for_each_fw_node(card, card->local_node, report_lost_node); card->local_node = NULL; - spin_unlock_irqrestore(&card->lock, flags); } static void move_tree(struct fw_node *node0, struct fw_node *node1, int port) @@ -510,6 +507,8 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation, struct fw_node *local_node; unsigned long flags; + spin_lock_irqsave(&card->lock, flags); + /* * If the selfID buffer is not the immediate successor of the * previously processed one, we cannot reliably compare the @@ -521,8 +520,6 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation, card->bm_retries = 0; } - spin_lock_irqsave(&card->lock, flags); - card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated; card->node_id = node_id; /* diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index ac487c96bb71..6c20815cc8d1 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -73,24 +73,25 @@ static int try_cancel_split_timeout(struct fw_transaction *t) static int close_transaction(struct fw_transaction *transaction, struct fw_card *card, int rcode) { - struct fw_transaction *t; + struct fw_transaction *t = NULL, *iter; unsigned long flags; spin_lock_irqsave(&card->lock, flags); - list_for_each_entry(t, &card->transaction_list, link) { - if (t == transaction) { - if (!try_cancel_split_timeout(t)) { + list_for_each_entry(iter, &card->transaction_list, link) { + if (iter == transaction) { + if (!try_cancel_split_timeout(iter)) { spin_unlock_irqrestore(&card->lock, flags); goto timed_out; } - list_del_init(&t->link); - card->tlabel_mask &= ~(1ULL << t->tlabel); + list_del_init(&iter->link); + card->tlabel_mask &= ~(1ULL << iter->tlabel); + t = iter; break; } } spin_unlock_irqrestore(&card->lock, flags); - if (&t->link != &card->transaction_list) { + if (t) { t->callback(card, rcode, NULL, 0, t->callback_data); return 0; } @@ -935,7 +936,7 @@ EXPORT_SYMBOL(fw_core_handle_request); void fw_core_handle_response(struct fw_card *card, struct fw_packet *p) { - struct fw_transaction *t; + struct fw_transaction *t = NULL, *iter; unsigned long flags; u32 *data; size_t data_length; @@ -947,20 +948,21 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p) rcode = HEADER_GET_RCODE(p->header[1]); spin_lock_irqsave(&card->lock, flags); - list_for_each_entry(t, &card->transaction_list, link) { - if (t->node_id == source && t->tlabel == tlabel) { - if (!try_cancel_split_timeout(t)) { + list_for_each_entry(iter, &card->transaction_list, link) { + if (iter->node_id == source && iter->tlabel == tlabel) { + if (!try_cancel_split_timeout(iter)) { spin_unlock_irqrestore(&card->lock, flags); goto timed_out; } - list_del_init(&t->link); - card->tlabel_mask &= ~(1ULL << t->tlabel); + list_del_init(&iter->link); + card->tlabel_mask &= ~(1ULL << iter->tlabel); + t = iter; break; } } spin_unlock_irqrestore(&card->lock, flags); - if (&t->link == &card->transaction_list) { + if (!t) { timed_out: fw_notice(card, "unsolicited response (source %x, tlabel %x)\n", source, tlabel); diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 85cd379fd383..60051c0cabea 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -408,7 +408,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request, void *payload, size_t length, void *callback_data) { struct sbp2_logical_unit *lu = callback_data; - struct sbp2_orb *orb; + struct sbp2_orb *orb = NULL, *iter; struct sbp2_status status; unsigned long flags; @@ -433,17 +433,18 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request, /* Lookup the orb corresponding to this status write. */ spin_lock_irqsave(&lu->tgt->lock, flags); - list_for_each_entry(orb, &lu->orb_list, link) { + list_for_each_entry(iter, &lu->orb_list, link) { if (STATUS_GET_ORB_HIGH(status) == 0 && - STATUS_GET_ORB_LOW(status) == orb->request_bus) { - orb->rcode = RCODE_COMPLETE; - list_del(&orb->link); + STATUS_GET_ORB_LOW(status) == iter->request_bus) { + iter->rcode = RCODE_COMPLETE; + list_del(&iter->link); + orb = iter; break; } } spin_unlock_irqrestore(&lu->tgt->lock, flags); - if (&orb->link != &lu->orb_list) { + if (orb) { orb->callback(orb, &status); kref_put(&orb->kref, free_orb); /* orb callback reference */ } else { diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 4c1f9e1091b7..a2c8dd329b31 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -871,13 +871,6 @@ static int mvebu_pwm_probe(struct platform_device *pdev, mvpwm->chip.dev = dev; mvpwm->chip.ops = &mvebu_pwm_ops; mvpwm->chip.npwm = mvchip->chip.ngpio; - /* - * There may already be some PWM allocated, so we can't force - * mvpwm->chip.base to a fixed point like mvchip->chip.base. - * So, we let pwmchip_add() do the numbering and take the next free - * region. - */ - mvpwm->chip.base = -1; spin_lock_init(&mvpwm->lock); diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d2fe76f3f34f..8726921a1129 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -762,11 +762,11 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, unsigned long *pendin bitmap_xor(cur_stat, new_stat, old_stat, gc->ngpio); bitmap_and(trigger, cur_stat, chip->irq_mask, gc->ngpio); + bitmap_copy(chip->irq_stat, new_stat, gc->ngpio); + if (bitmap_empty(trigger, gc->ngpio)) return false; - bitmap_copy(chip->irq_stat, new_stat, gc->ngpio); - bitmap_and(cur_stat, chip->irq_trig_fall, old_stat, gc->ngpio); bitmap_and(old_stat, chip->irq_trig_raise, new_stat, gc->ngpio); bitmap_or(new_stat, old_stat, cur_stat, gc->ngpio); diff --git a/drivers/gpio/gpio-visconti.c b/drivers/gpio/gpio-visconti.c index 47455810bdb9..e6534ea1eaa7 100644 --- a/drivers/gpio/gpio-visconti.c +++ b/drivers/gpio/gpio-visconti.c @@ -130,7 +130,6 @@ static int visconti_gpio_probe(struct platform_device *pdev) struct gpio_irq_chip *girq; struct irq_domain *parent; struct device_node *irq_parent; - struct fwnode_handle *fwnode; int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -150,14 +149,12 @@ static int visconti_gpio_probe(struct platform_device *pdev) } parent = irq_find_host(irq_parent); + of_node_put(irq_parent); if (!parent) { dev_err(dev, "No IRQ parent domain\n"); return -ENODEV; } - fwnode = of_node_to_fwnode(irq_parent); - of_node_put(irq_parent); - ret = bgpio_init(&priv->gpio_chip, dev, 4, priv->base + GPIO_IDATA, priv->base + GPIO_OSET, @@ -180,7 +177,7 @@ static int visconti_gpio_probe(struct platform_device *pdev) girq = &priv->gpio_chip.irq; girq->chip = irq_chip; - girq->fwnode = fwnode; + girq->fwnode = of_node_to_fwnode(dev->of_node); girq->parent_domain = parent; girq->child_to_parent_hwirq = visconti_gpio_child_to_parent_hwirq; girq->populate_parent_alloc_arg = visconti_gpio_populate_parent_fwspec; diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index ae1ce319cd78..7e5e51d49d09 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -910,7 +910,7 @@ static void of_gpiochip_init_valid_mask(struct gpio_chip *chip) i, &start); of_property_read_u32_index(np, "gpio-reserved-ranges", i + 1, &count); - if (start >= chip->ngpio || start + count >= chip->ngpio) + if (start >= chip->ngpio || start + count > chip->ngpio) continue; bitmap_clear(chip->valid_mask, start, count); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index a025f080aa6a..5e3756643da3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <drm/drm_drv.h> +#include <xen/xen.h> #include "amdgpu.h" #include "amdgpu_ras.h" @@ -710,7 +711,8 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV; if (!reg) { - if (is_virtual_machine()) /* passthrough mode exclus sriov mod */ + /* passthrough mode exclus sriov mod */ + if (is_virtual_machine() && !xen_initial_domain()) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 22dabe596dfc..95b5b5bfa1ff 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -4440,7 +4440,7 @@ static void dp_test_get_audio_test_data(struct dc_link *link, bool disable_video &dpcd_pattern_type.value, sizeof(dpcd_pattern_type)); - channel_count = dpcd_test_mode.bits.channel_count + 1; + channel_count = min(dpcd_test_mode.bits.channel_count + 1, AUDIO_CHANNELS_COUNT); // read pattern periods for requested channels when sawTooth pattern is requested if (dpcd_pattern_type.value == AUDIO_TEST_PATTERN_SAWTOOTH || diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 007e5a282f67..2145b08f9534 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -78,6 +78,7 @@ config DRM_ITE_IT6505 tristate "ITE IT6505 DisplayPort bridge" depends on OF select DRM_KMS_HELPER + select DRM_DP_HELPER select EXTCON help ITE IT6505 DisplayPort bridge chip driver. diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index a42732b67349..178b774a5fbd 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -580,12 +580,6 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) dp->dp_display.connector_type, state); mutex_unlock(&dp->event_mutex); - /* - * add fail safe mode outside event_mutex scope - * to avoid potiential circular lock with drm thread - */ - dp_panel_add_fail_safe_mode(dp->dp_display.connector); - /* uevent will complete connection part */ return 0; }; diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 26c3653c99ec..26f4b6959c31 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -151,15 +151,6 @@ static int dp_panel_update_modes(struct drm_connector *connector, return rc; } -void dp_panel_add_fail_safe_mode(struct drm_connector *connector) -{ - /* fail safe edid */ - mutex_lock(&connector->dev->mode_config.mutex); - if (drm_add_modes_noedid(connector, 640, 480)) - drm_set_preferred_mode(connector, 640, 480); - mutex_unlock(&connector->dev->mode_config.mutex); -} - int dp_panel_read_sink_caps(struct dp_panel *dp_panel, struct drm_connector *connector) { @@ -215,8 +206,6 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, rc = -ETIMEDOUT; goto end; } - - dp_panel_add_fail_safe_mode(connector); } if (panel->aux_cfg_update_done) { diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h index 99739ea679a7..9023e5bb4b8b 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.h +++ b/drivers/gpu/drm/msm/dp/dp_panel.h @@ -59,7 +59,6 @@ int dp_panel_init_panel_info(struct dp_panel *dp_panel); int dp_panel_deinit(struct dp_panel *dp_panel); int dp_panel_timing_cfg(struct dp_panel *dp_panel); void dp_panel_dump_regs(struct dp_panel *dp_panel); -void dp_panel_add_fail_safe_mode(struct drm_connector *connector); int dp_panel_read_sink_caps(struct dp_panel *dp_panel, struct drm_connector *connector); u32 dp_panel_get_mode_bpp(struct dp_panel *dp_panel, u32 mode_max_bpp, diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c index dedb3b7edd8d..638bf4a1ed94 100644 --- a/drivers/infiniband/hw/irdma/cm.c +++ b/drivers/infiniband/hw/irdma/cm.c @@ -2308,10 +2308,8 @@ err: return NULL; } -static void irdma_cm_node_free_cb(struct rcu_head *rcu_head) +static void irdma_destroy_connection(struct irdma_cm_node *cm_node) { - struct irdma_cm_node *cm_node = - container_of(rcu_head, struct irdma_cm_node, rcu_head); struct irdma_cm_core *cm_core = cm_node->cm_core; struct irdma_qp *iwqp; struct irdma_cm_info nfo; @@ -2359,7 +2357,6 @@ static void irdma_cm_node_free_cb(struct rcu_head *rcu_head) } cm_core->cm_free_ah(cm_node); - kfree(cm_node); } /** @@ -2387,8 +2384,9 @@ void irdma_rem_ref_cm_node(struct irdma_cm_node *cm_node) spin_unlock_irqrestore(&cm_core->ht_lock, flags); - /* wait for all list walkers to exit their grace period */ - call_rcu(&cm_node->rcu_head, irdma_cm_node_free_cb); + irdma_destroy_connection(cm_node); + + kfree_rcu(cm_node, rcu_head); } /** @@ -3246,15 +3244,10 @@ int irdma_setup_cm_core(struct irdma_device *iwdev, u8 rdma_ver) */ void irdma_cleanup_cm_core(struct irdma_cm_core *cm_core) { - unsigned long flags; - if (!cm_core) return; - spin_lock_irqsave(&cm_core->ht_lock, flags); - if (timer_pending(&cm_core->tcp_timer)) - del_timer_sync(&cm_core->tcp_timer); - spin_unlock_irqrestore(&cm_core->ht_lock, flags); + del_timer_sync(&cm_core->tcp_timer); destroy_workqueue(cm_core->event_wq); cm_core->dev->ws_reset(&cm_core->iwdev->vsi); @@ -3467,12 +3460,6 @@ static void irdma_cm_disconn_true(struct irdma_qp *iwqp) } cm_id = iwqp->cm_id; - /* make sure we havent already closed this connection */ - if (!cm_id) { - spin_unlock_irqrestore(&iwqp->lock, flags); - return; - } - original_hw_tcp_state = iwqp->hw_tcp_state; original_ibqp_state = iwqp->ibqp_state; last_ae = iwqp->last_aeq; @@ -3494,11 +3481,11 @@ static void irdma_cm_disconn_true(struct irdma_qp *iwqp) disconn_status = -ECONNRESET; } - if ((original_hw_tcp_state == IRDMA_TCP_STATE_CLOSED || - original_hw_tcp_state == IRDMA_TCP_STATE_TIME_WAIT || - last_ae == IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE || - last_ae == IRDMA_AE_BAD_CLOSE || - last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->rf->reset)) { + if (original_hw_tcp_state == IRDMA_TCP_STATE_CLOSED || + original_hw_tcp_state == IRDMA_TCP_STATE_TIME_WAIT || + last_ae == IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE || + last_ae == IRDMA_AE_BAD_CLOSE || + last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->rf->reset || !cm_id) { issue_close = 1; iwqp->cm_id = NULL; qp->term_flags = 0; diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index 346c2c5dabdf..81760415d66c 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -258,18 +258,16 @@ int irdma_net_event(struct notifier_block *notifier, unsigned long event, u32 local_ipaddr[4] = {}; bool ipv4 = true; - real_dev = rdma_vlan_dev_real_dev(netdev); - if (!real_dev) - real_dev = netdev; - - ibdev = ib_device_get_by_netdev(real_dev, RDMA_DRIVER_IRDMA); - if (!ibdev) - return NOTIFY_DONE; - - iwdev = to_iwdev(ibdev); - switch (event) { case NETEVENT_NEIGH_UPDATE: + real_dev = rdma_vlan_dev_real_dev(netdev); + if (!real_dev) + real_dev = netdev; + ibdev = ib_device_get_by_netdev(real_dev, RDMA_DRIVER_IRDMA); + if (!ibdev) + return NOTIFY_DONE; + + iwdev = to_iwdev(ibdev); p = (__be32 *)neigh->primary_key; if (neigh->tbl->family == AF_INET6) { ipv4 = false; @@ -290,13 +288,12 @@ int irdma_net_event(struct notifier_block *notifier, unsigned long event, irdma_manage_arp_cache(iwdev->rf, neigh->ha, local_ipaddr, ipv4, IRDMA_ARP_DELETE); + ib_device_put(ibdev); break; default: break; } - ib_device_put(ibdev); - return NOTIFY_DONE; } diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 46f475394af5..52f3e88f8569 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1618,13 +1618,13 @@ int irdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, if (issue_modify_qp && iwqp->ibqp_state > IB_QPS_RTS) { if (dont_wait) { - if (iwqp->cm_id && iwqp->hw_tcp_state) { + if (iwqp->hw_tcp_state) { spin_lock_irqsave(&iwqp->lock, flags); iwqp->hw_tcp_state = IRDMA_TCP_STATE_CLOSED; iwqp->last_aeq = IRDMA_AE_RESET_SENT; spin_unlock_irqrestore(&iwqp->lock, flags); - irdma_cm_disconn(iwqp); } + irdma_cm_disconn(iwqp); } else { int close_timer_started; diff --git a/drivers/infiniband/sw/rxe/rxe_mcast.c b/drivers/infiniband/sw/rxe/rxe_mcast.c index ae8f11cb704a..873a9b10307c 100644 --- a/drivers/infiniband/sw/rxe/rxe_mcast.c +++ b/drivers/infiniband/sw/rxe/rxe_mcast.c @@ -38,13 +38,13 @@ static int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid) } /** - * rxe_mcast_delete - delete multicast address from rxe device + * rxe_mcast_del - delete multicast address from rxe device * @rxe: rxe device object * @mgid: multicast address as a gid * * Returns 0 on success else an error */ -static int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid) +static int rxe_mcast_del(struct rxe_dev *rxe, union ib_gid *mgid) { unsigned char ll_addr[ETH_ALEN]; @@ -143,11 +143,10 @@ static struct rxe_mcg *__rxe_lookup_mcg(struct rxe_dev *rxe, struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid) { struct rxe_mcg *mcg; - unsigned long flags; - spin_lock_irqsave(&rxe->mcg_lock, flags); + spin_lock_bh(&rxe->mcg_lock); mcg = __rxe_lookup_mcg(rxe, mgid); - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); return mcg; } @@ -159,17 +158,10 @@ struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid) * @mcg: new mcg object * * Context: caller should hold rxe->mcg lock - * Returns: 0 on success else an error */ -static int __rxe_init_mcg(struct rxe_dev *rxe, union ib_gid *mgid, - struct rxe_mcg *mcg) +static void __rxe_init_mcg(struct rxe_dev *rxe, union ib_gid *mgid, + struct rxe_mcg *mcg) { - int err; - - err = rxe_mcast_add(rxe, mgid); - if (unlikely(err)) - return err; - kref_init(&mcg->ref_cnt); memcpy(&mcg->mgid, mgid, sizeof(mcg->mgid)); INIT_LIST_HEAD(&mcg->qp_list); @@ -184,8 +176,6 @@ static int __rxe_init_mcg(struct rxe_dev *rxe, union ib_gid *mgid, */ kref_get(&mcg->ref_cnt); __rxe_insert_mcg(mcg); - - return 0; } /** @@ -198,7 +188,6 @@ static int __rxe_init_mcg(struct rxe_dev *rxe, union ib_gid *mgid, static struct rxe_mcg *rxe_get_mcg(struct rxe_dev *rxe, union ib_gid *mgid) { struct rxe_mcg *mcg, *tmp; - unsigned long flags; int err; if (rxe->attr.max_mcast_grp == 0) @@ -209,36 +198,38 @@ static struct rxe_mcg *rxe_get_mcg(struct rxe_dev *rxe, union ib_gid *mgid) if (mcg) return mcg; + /* check to see if we have reached limit */ + if (atomic_inc_return(&rxe->mcg_num) > rxe->attr.max_mcast_grp) { + err = -ENOMEM; + goto err_dec; + } + /* speculative alloc of new mcg */ mcg = kzalloc(sizeof(*mcg), GFP_KERNEL); if (!mcg) return ERR_PTR(-ENOMEM); - spin_lock_irqsave(&rxe->mcg_lock, flags); + spin_lock_bh(&rxe->mcg_lock); /* re-check to see if someone else just added it */ tmp = __rxe_lookup_mcg(rxe, mgid); if (tmp) { + spin_unlock_bh(&rxe->mcg_lock); + atomic_dec(&rxe->mcg_num); kfree(mcg); - mcg = tmp; - goto out; + return tmp; } - if (atomic_inc_return(&rxe->mcg_num) > rxe->attr.max_mcast_grp) { - err = -ENOMEM; - goto err_dec; - } + __rxe_init_mcg(rxe, mgid, mcg); + spin_unlock_bh(&rxe->mcg_lock); - err = __rxe_init_mcg(rxe, mgid, mcg); - if (err) - goto err_dec; -out: - spin_unlock_irqrestore(&rxe->mcg_lock, flags); - return mcg; + /* add mcast address outside of lock */ + err = rxe_mcast_add(rxe, mgid); + if (!err) + return mcg; + kfree(mcg); err_dec: atomic_dec(&rxe->mcg_num); - spin_unlock_irqrestore(&rxe->mcg_lock, flags); - kfree(mcg); return ERR_PTR(err); } @@ -268,7 +259,6 @@ static void __rxe_destroy_mcg(struct rxe_mcg *mcg) __rxe_remove_mcg(mcg); kref_put(&mcg->ref_cnt, rxe_cleanup_mcg); - rxe_mcast_delete(mcg->rxe, &mcg->mgid); atomic_dec(&rxe->mcg_num); } @@ -280,11 +270,12 @@ static void __rxe_destroy_mcg(struct rxe_mcg *mcg) */ static void rxe_destroy_mcg(struct rxe_mcg *mcg) { - unsigned long flags; + /* delete mcast address outside of lock */ + rxe_mcast_del(mcg->rxe, &mcg->mgid); - spin_lock_irqsave(&mcg->rxe->mcg_lock, flags); + spin_lock_bh(&mcg->rxe->mcg_lock); __rxe_destroy_mcg(mcg); - spin_unlock_irqrestore(&mcg->rxe->mcg_lock, flags); + spin_unlock_bh(&mcg->rxe->mcg_lock); } /** @@ -339,25 +330,24 @@ static int rxe_attach_mcg(struct rxe_mcg *mcg, struct rxe_qp *qp) { struct rxe_dev *rxe = mcg->rxe; struct rxe_mca *mca, *tmp; - unsigned long flags; int err; /* check to see if the qp is already a member of the group */ - spin_lock_irqsave(&rxe->mcg_lock, flags); + spin_lock_bh(&rxe->mcg_lock); list_for_each_entry(mca, &mcg->qp_list, qp_list) { if (mca->qp == qp) { - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); return 0; } } - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); /* speculative alloc new mca without using GFP_ATOMIC */ mca = kzalloc(sizeof(*mca), GFP_KERNEL); if (!mca) return -ENOMEM; - spin_lock_irqsave(&rxe->mcg_lock, flags); + spin_lock_bh(&rxe->mcg_lock); /* re-check to see if someone else just attached qp */ list_for_each_entry(tmp, &mcg->qp_list, qp_list) { if (tmp->qp == qp) { @@ -371,7 +361,7 @@ static int rxe_attach_mcg(struct rxe_mcg *mcg, struct rxe_qp *qp) if (err) kfree(mca); out: - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); return err; } @@ -405,9 +395,8 @@ static int rxe_detach_mcg(struct rxe_mcg *mcg, struct rxe_qp *qp) { struct rxe_dev *rxe = mcg->rxe; struct rxe_mca *mca, *tmp; - unsigned long flags; - spin_lock_irqsave(&rxe->mcg_lock, flags); + spin_lock_bh(&rxe->mcg_lock); list_for_each_entry_safe(mca, tmp, &mcg->qp_list, qp_list) { if (mca->qp == qp) { __rxe_cleanup_mca(mca, mcg); @@ -421,13 +410,13 @@ static int rxe_detach_mcg(struct rxe_mcg *mcg, struct rxe_qp *qp) if (atomic_read(&mcg->qp_num) <= 0) __rxe_destroy_mcg(mcg); - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); return 0; } } /* we didn't find the qp on the list */ - spin_unlock_irqrestore(&rxe->mcg_lock, flags); + spin_unlock_bh(&rxe->mcg_lock); return -EINVAL; } diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 16fc7ea1298d..9cd0eaff98de 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -680,6 +680,11 @@ static struct resp_res *rxe_prepare_read_res(struct rxe_qp *qp, * It is assumed that the access permissions if originally good * are OK and the mappings to be unchanged. * + * TODO: If someone reregisters an MR to change its size or + * access permissions during the processing of an RDMA read + * we should kill the responder resource and complete the + * operation with an error. + * * Return: mr on success else NULL */ static struct rxe_mr *rxe_recheck_mr(struct rxe_qp *qp, u32 rkey) @@ -690,23 +695,27 @@ static struct rxe_mr *rxe_recheck_mr(struct rxe_qp *qp, u32 rkey) if (rkey_is_mw(rkey)) { mw = rxe_pool_get_index(&rxe->mw_pool, rkey >> 8); - if (!mw || mw->rkey != rkey) + if (!mw) return NULL; - if (mw->state != RXE_MW_STATE_VALID) { + mr = mw->mr; + if (mw->rkey != rkey || mw->state != RXE_MW_STATE_VALID || + !mr || mr->state != RXE_MR_STATE_VALID) { rxe_put(mw); return NULL; } - mr = mw->mr; + rxe_get(mr); rxe_put(mw); - } else { - mr = rxe_pool_get_index(&rxe->mr_pool, rkey >> 8); - if (!mr || mr->rkey != rkey) - return NULL; + + return mr; } - if (mr->state != RXE_MR_STATE_VALID) { + mr = rxe_pool_get_index(&rxe->mr_pool, rkey >> 8); + if (!mr) + return NULL; + + if (mr->rkey != rkey || mr->state != RXE_MR_STATE_VALID) { rxe_put(mr); return NULL; } @@ -736,8 +745,14 @@ static enum resp_states read_reply(struct rxe_qp *qp, } if (res->state == rdatm_res_state_new) { - mr = qp->resp.mr; - qp->resp.mr = NULL; + if (!res->replay) { + mr = qp->resp.mr; + qp->resp.mr = NULL; + } else { + mr = rxe_recheck_mr(qp, res->read.rkey); + if (!mr) + return RESPST_ERR_RKEY_VIOLATION; + } if (res->read.resid <= mtu) opcode = IB_OPCODE_RC_RDMA_READ_RESPONSE_ONLY; diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c index 7acdd3c3a599..17f34d584cd9 100644 --- a/drivers/infiniband/sw/siw/siw_cm.c +++ b/drivers/infiniband/sw/siw/siw_cm.c @@ -968,14 +968,15 @@ static void siw_accept_newconn(struct siw_cep *cep) siw_cep_set_inuse(new_cep); rv = siw_proc_mpareq(new_cep); - siw_cep_set_free(new_cep); - if (rv != -EAGAIN) { siw_cep_put(cep); new_cep->listen_cep = NULL; - if (rv) + if (rv) { + siw_cep_set_free(new_cep); goto error; + } } + siw_cep_set_free(new_cep); } return; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index e7ea45386c22..efa95dc4fc4e 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1384,13 +1384,17 @@ static int mmc_select_hs400es(struct mmc_card *card) goto out_err; } + /* + * Bump to HS timing and frequency. Some cards don't handle + * SEND_STATUS reliably at the initial frequency. + */ mmc_set_timing(host, MMC_TIMING_MMC_HS); + mmc_set_bus_speed(card); + err = mmc_switch_status(card, true); if (err) goto out_err; - mmc_set_clock(host, card->ext_csd.hs_max_dtr); - /* Switch card to DDR with strobe bit */ val = EXT_CSD_DDR_BUS_WIDTH_8 | EXT_CSD_BUS_WIDTH_STROBE; err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, @@ -1448,7 +1452,7 @@ out_err: static int mmc_select_hs200(struct mmc_card *card) { struct mmc_host *host = card->host; - unsigned int old_timing, old_signal_voltage; + unsigned int old_timing, old_signal_voltage, old_clock; int err = -EINVAL; u8 val; @@ -1479,8 +1483,17 @@ static int mmc_select_hs200(struct mmc_card *card) false, true, MMC_CMD_RETRIES); if (err) goto err; + + /* + * Bump to HS timing and frequency. Some cards don't handle + * SEND_STATUS reliably at the initial frequency. + * NB: We can't move to full (HS200) speeds until after we've + * successfully switched over. + */ old_timing = host->ios.timing; + old_clock = host->ios.clock; mmc_set_timing(host, MMC_TIMING_MMC_HS200); + mmc_set_clock(card->host, card->ext_csd.hs_max_dtr); /* * For HS200, CRC errors are not a reliable way to know the @@ -1493,8 +1506,10 @@ static int mmc_select_hs200(struct mmc_card *card) * mmc_select_timing() assumes timing has not changed if * it is a switch error. */ - if (err == -EBADMSG) + if (err == -EBADMSG) { + mmc_set_clock(host, old_clock); mmc_set_timing(host, old_timing); + } } err: if (err) { diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 50c71e0ba5e4..ff9f5b63c337 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -17,6 +17,7 @@ #include <linux/regulator/consumer.h> #include <linux/interconnect.h> #include <linux/pinctrl/consumer.h> +#include <linux/reset.h> #include "sdhci-pltfm.h" #include "cqhci.h" @@ -2482,6 +2483,43 @@ static inline void sdhci_msm_get_of_property(struct platform_device *pdev, of_property_read_u32(node, "qcom,dll-config", &msm_host->dll_config); } +static int sdhci_msm_gcc_reset(struct device *dev, struct sdhci_host *host) +{ + struct reset_control *reset; + int ret = 0; + + reset = reset_control_get_optional_exclusive(dev, NULL); + if (IS_ERR(reset)) + return dev_err_probe(dev, PTR_ERR(reset), + "unable to acquire core_reset\n"); + + if (!reset) + return ret; + + ret = reset_control_assert(reset); + if (ret) { + reset_control_put(reset); + return dev_err_probe(dev, ret, "core_reset assert failed\n"); + } + + /* + * The hardware requirement for delay between assert/deassert + * is at least 3-4 sleep clock (32.7KHz) cycles, which comes to + * ~125us (4/32768). To be on the safe side add 200us delay. + */ + usleep_range(200, 210); + + ret = reset_control_deassert(reset); + if (ret) { + reset_control_put(reset); + return dev_err_probe(dev, ret, "core_reset deassert failed\n"); + } + + usleep_range(200, 210); + reset_control_put(reset); + + return ret; +} static int sdhci_msm_probe(struct platform_device *pdev) { @@ -2529,6 +2567,10 @@ static int sdhci_msm_probe(struct platform_device *pdev) msm_host->saved_tuning_phase = INVALID_TUNING_PHASE; + ret = sdhci_msm_gcc_reset(&pdev->dev, host); + if (ret) + goto pltfm_free; + /* Setup SDCC bus voter clock. */ msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus"); if (!IS_ERR(msm_host->bus_clk)) { diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index c62afd212692..46f9e2923d86 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -377,8 +377,9 @@ static void sunxi_mmc_init_idma_des(struct sunxi_mmc_host *host, pdes[i].buf_addr_ptr1 = cpu_to_le32(sg_dma_address(&data->sg[i]) >> host->cfg->idma_des_shift); - pdes[i].buf_addr_ptr2 = cpu_to_le32((u32)next_desc >> - host->cfg->idma_des_shift); + pdes[i].buf_addr_ptr2 = + cpu_to_le32(next_desc >> + host->cfg->idma_des_shift); } pdes[0].config |= cpu_to_le32(SDXC_IDMAC_DES0_FD); diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index cf82b1fa9725..87e81c636339 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -809,6 +809,9 @@ static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); u32 reg, offset; + if (priv->wol_ports_mask & BIT(port)) + return; + if (port != core_readl(priv, CORE_IMP0_PRT_ID)) { if (priv->type == BCM4908_DEVICE_ID || priv->type == BCM7445_DEVICE_ID) diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index f5c9d695408a..a23781d9a15c 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -322,6 +322,7 @@ static int felix_update_trapping_destinations(struct dsa_switch *ds, { struct ocelot *ocelot = ds->priv; struct felix *felix = ocelot_to_felix(ocelot); + struct ocelot_vcap_block *block_vcap_is2; struct ocelot_vcap_filter *trap; enum ocelot_mask_mode mask_mode; unsigned long port_mask; @@ -341,9 +342,13 @@ static int felix_update_trapping_destinations(struct dsa_switch *ds, /* We are sure that "cpu" was found, otherwise * dsa_tree_setup_default_cpu() would have failed earlier. */ + block_vcap_is2 = &ocelot->block[VCAP_IS2]; /* Make sure all traps are set up for that destination */ - list_for_each_entry(trap, &ocelot->traps, trap_list) { + list_for_each_entry(trap, &block_vcap_is2->rules, list) { + if (!trap->is_trap) + continue; + /* Figure out the current trapping destination */ if (using_tag_8021q) { /* Redirect to the tag_8021q CPU port. If timestamps diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index 3a529ee8c834..831833911a52 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -449,7 +449,7 @@ static int aq_pm_freeze(struct device *dev) static int aq_pm_suspend_poweroff(struct device *dev) { - return aq_suspend_common(dev, false); + return aq_suspend_common(dev, true); } static int aq_pm_thaw(struct device *dev) @@ -459,7 +459,7 @@ static int aq_pm_thaw(struct device *dev) static int aq_pm_resume_restore(struct device *dev) { - return atl_resume_common(dev, false); + return atl_resume_common(dev, true); } static const struct dev_pm_ops aq_pm_ops = { diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index ea740210803f..25129e723b57 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -544,7 +544,6 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, int *work_done, int budget) { struct net_device *ndev = aq_nic_get_ndev(self->aq_nic); - bool is_rsc_completed = true; int err = 0; for (; (self->sw_head != self->hw_head) && budget; @@ -562,12 +561,17 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, continue; if (!buff->is_eop) { + unsigned int frag_cnt = 0U; buff_ = buff; do { + bool is_rsc_completed = true; + if (buff_->next >= self->size) { err = -EIO; goto err_exit; } + + frag_cnt++; next_ = buff_->next, buff_ = &self->buff_ring[next_]; is_rsc_completed = @@ -575,18 +579,17 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, next_, self->hw_head); - if (unlikely(!is_rsc_completed)) - break; + if (unlikely(!is_rsc_completed) || + frag_cnt > MAX_SKB_FRAGS) { + err = 0; + goto err_exit; + } buff->is_error |= buff_->is_error; buff->is_cso_err |= buff_->is_cso_err; } while (!buff_->is_eop); - if (!is_rsc_completed) { - err = 0; - goto err_exit; - } if (buff->is_error || (buff->is_lro && buff->is_cso_err)) { buff_ = buff; @@ -644,7 +647,7 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, ALIGN(hdr_len, sizeof(long))); if (buff->len - hdr_len > 0) { - skb_add_rx_frag(skb, 0, buff->rxdata.page, + skb_add_rx_frag(skb, i++, buff->rxdata.page, buff->rxdata.pg_off + hdr_len, buff->len - hdr_len, self->frame_max); @@ -653,7 +656,6 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, if (!buff->is_eop) { buff_ = buff; - i = 1U; do { next_ = buff_->next; buff_ = &self->buff_ring[next_]; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 878a53abec33..54e70f07b573 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -889,6 +889,13 @@ int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self, err = -ENXIO; goto err_exit; } + + /* Validate that the new hw_head_ is reasonable. */ + if (hw_head_ >= ring->size) { + err = -ENXIO; + goto err_exit; + } + ring->hw_head = hw_head_; err = aq_hw_err_from_flags(self); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 65606351634e..8309fb993cdb 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3998,6 +3998,10 @@ static int bcmgenet_probe(struct platform_device *pdev) goto err; } priv->wol_irq = platform_get_irq_optional(pdev, 2); + if (priv->wol_irq == -EPROBE_DEFER) { + err = priv->wol_irq; + goto err; + } priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index e7b4e3ed056c..8d719f82854a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2793,14 +2793,14 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p) goto out; na = ret; - memcpy(p->id, vpd + id, min_t(int, id_len, ID_LEN)); + memcpy(p->id, vpd + id, min_t(unsigned int, id_len, ID_LEN)); strim(p->id); - memcpy(p->sn, vpd + sn, min_t(int, sn_len, SERNUM_LEN)); + memcpy(p->sn, vpd + sn, min_t(unsigned int, sn_len, SERNUM_LEN)); strim(p->sn); - memcpy(p->pn, vpd + pn, min_t(int, pn_len, PN_LEN)); + memcpy(p->pn, vpd + pn, min_t(unsigned int, pn_len, PN_LEN)); strim(p->pn); - memcpy(p->na, vpd + na, min_t(int, na_len, MACADDR_LEN)); - strim((char *)p->na); + memcpy(p->na, vpd + na, min_t(unsigned int, na_len, MACADDR_LEN)); + strim(p->na); out: vfree(vpd); diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 434d8bf0e8f9..825e81f5fd22 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -1399,8 +1399,10 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* alloc_etherdev ensures aligned and zeroed private structures */ dev = alloc_etherdev (sizeof (*tp)); - if (!dev) + if (!dev) { + pci_disable_device(pdev); return -ENOMEM; + } SET_NETDEV_DEV(dev, &pdev->dev); if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) { @@ -1785,6 +1787,7 @@ err_out_free_res: err_out_free_netdev: free_netdev (dev); + pci_disable_device(pdev); return -ENODEV; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 358c2edc118d..332a608dbaa6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -7554,42 +7554,43 @@ static void i40e_free_macvlan_channels(struct i40e_vsi *vsi) static int i40e_fwd_ring_up(struct i40e_vsi *vsi, struct net_device *vdev, struct i40e_fwd_adapter *fwd) { + struct i40e_channel *ch = NULL, *ch_tmp, *iter; int ret = 0, num_tc = 1, i, aq_err; - struct i40e_channel *ch, *ch_tmp; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; - if (list_empty(&vsi->macvlan_list)) - return -EINVAL; - /* Go through the list and find an available channel */ - list_for_each_entry_safe(ch, ch_tmp, &vsi->macvlan_list, list) { - if (!i40e_is_channel_macvlan(ch)) { - ch->fwd = fwd; + list_for_each_entry_safe(iter, ch_tmp, &vsi->macvlan_list, list) { + if (!i40e_is_channel_macvlan(iter)) { + iter->fwd = fwd; /* record configuration for macvlan interface in vdev */ for (i = 0; i < num_tc; i++) netdev_bind_sb_channel_queue(vsi->netdev, vdev, i, - ch->num_queue_pairs, - ch->base_queue); - for (i = 0; i < ch->num_queue_pairs; i++) { + iter->num_queue_pairs, + iter->base_queue); + for (i = 0; i < iter->num_queue_pairs; i++) { struct i40e_ring *tx_ring, *rx_ring; u16 pf_q; - pf_q = ch->base_queue + i; + pf_q = iter->base_queue + i; /* Get to TX ring ptr */ tx_ring = vsi->tx_rings[pf_q]; - tx_ring->ch = ch; + tx_ring->ch = iter; /* Get the RX ring ptr */ rx_ring = vsi->rx_rings[pf_q]; - rx_ring->ch = ch; + rx_ring->ch = iter; } + ch = iter; break; } } + if (!ch) + return -EINVAL; + /* Guarantee all rings are updated before we update the * MAC address filter. */ diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 2fbb3d737dfd..60453b3b8d23 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -540,6 +540,7 @@ struct ice_pf { struct mutex avail_q_mutex; /* protects access to avail_[rx|tx]qs */ struct mutex sw_mutex; /* lock for protecting VSI alloc flow */ struct mutex tc_mutex; /* lock to protect TC changes */ + struct mutex adev_mutex; /* lock to protect aux device access */ u32 msg_enable; struct ice_ptp ptp; struct tty_driver *ice_gnss_tty_driver; diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c index 7e941264ae21..895c32bcc8b5 100644 --- a/drivers/net/ethernet/intel/ice/ice_idc.c +++ b/drivers/net/ethernet/intel/ice/ice_idc.c @@ -37,14 +37,17 @@ void ice_send_event_to_aux(struct ice_pf *pf, struct iidc_event *event) if (WARN_ON_ONCE(!in_task())) return; + mutex_lock(&pf->adev_mutex); if (!pf->adev) - return; + goto finish; device_lock(&pf->adev->dev); iadrv = ice_get_auxiliary_drv(pf); if (iadrv && iadrv->event_handler) iadrv->event_handler(pf, event); device_unlock(&pf->adev->dev); +finish: + mutex_unlock(&pf->adev_mutex); } /** @@ -275,7 +278,6 @@ int ice_plug_aux_dev(struct ice_pf *pf) return -ENOMEM; adev = &iadev->adev; - pf->adev = adev; iadev->pf = pf; adev->id = pf->aux_idx; @@ -285,18 +287,20 @@ int ice_plug_aux_dev(struct ice_pf *pf) ret = auxiliary_device_init(adev); if (ret) { - pf->adev = NULL; kfree(iadev); return ret; } ret = auxiliary_device_add(adev); if (ret) { - pf->adev = NULL; auxiliary_device_uninit(adev); return ret; } + mutex_lock(&pf->adev_mutex); + pf->adev = adev; + mutex_unlock(&pf->adev_mutex); + return 0; } @@ -305,12 +309,17 @@ int ice_plug_aux_dev(struct ice_pf *pf) */ void ice_unplug_aux_dev(struct ice_pf *pf) { - if (!pf->adev) - return; + struct auxiliary_device *adev; - auxiliary_device_delete(pf->adev); - auxiliary_device_uninit(pf->adev); + mutex_lock(&pf->adev_mutex); + adev = pf->adev; pf->adev = NULL; + mutex_unlock(&pf->adev_mutex); + + if (adev) { + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); + } } /** diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 867908f94661..4a5d4d971161 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3785,6 +3785,7 @@ u16 ice_get_avail_rxq_count(struct ice_pf *pf) static void ice_deinit_pf(struct ice_pf *pf) { ice_service_task_stop(pf); + mutex_destroy(&pf->adev_mutex); mutex_destroy(&pf->sw_mutex); mutex_destroy(&pf->tc_mutex); mutex_destroy(&pf->avail_q_mutex); @@ -3863,6 +3864,7 @@ static int ice_init_pf(struct ice_pf *pf) mutex_init(&pf->sw_mutex); mutex_init(&pf->tc_mutex); + mutex_init(&pf->adev_mutex); INIT_HLIST_HEAD(&pf->aq_wait_list); spin_lock_init(&pf->aq_wait_lock); diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index a1cd33273ca4..da025c204577 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2287,6 +2287,7 @@ ice_ptp_init_tx_e810(struct ice_pf *pf, struct ice_ptp_tx *tx) /** * ice_ptp_tx_tstamp_cleanup - Cleanup old timestamp requests that got dropped + * @hw: pointer to the hw struct * @tx: PTP Tx tracker to clean up * * Loop through the Tx timestamp requests and see if any of them have been @@ -2295,7 +2296,7 @@ ice_ptp_init_tx_e810(struct ice_pf *pf, struct ice_ptp_tx *tx) * timestamp will never be captured. This might happen if the packet gets * discarded before it reaches the PHY timestamping block. */ -static void ice_ptp_tx_tstamp_cleanup(struct ice_ptp_tx *tx) +static void ice_ptp_tx_tstamp_cleanup(struct ice_hw *hw, struct ice_ptp_tx *tx) { u8 idx; @@ -2304,11 +2305,16 @@ static void ice_ptp_tx_tstamp_cleanup(struct ice_ptp_tx *tx) for_each_set_bit(idx, tx->in_use, tx->len) { struct sk_buff *skb; + u64 raw_tstamp; /* Check if this SKB has been waiting for too long */ if (time_is_after_jiffies(tx->tstamps[idx].start + 2 * HZ)) continue; + /* Read tstamp to be able to use this register again */ + ice_read_phy_tstamp(hw, tx->quad, idx + tx->quad_offset, + &raw_tstamp); + spin_lock(&tx->lock); skb = tx->tstamps[idx].skb; tx->tstamps[idx].skb = NULL; @@ -2330,7 +2336,7 @@ static void ice_ptp_periodic_work(struct kthread_work *work) ice_ptp_update_cached_phctime(pf); - ice_ptp_tx_tstamp_cleanup(&pf->ptp.port.tx); + ice_ptp_tx_tstamp_cleanup(&pf->hw, &pf->ptp.port.tx); /* Run twice a second */ kthread_queue_delayed_work(ptp->kworker, &ptp->work, diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index b47577a2841a..1d9b84c3937a 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -1290,12 +1290,51 @@ error_param: } /** + * ice_vf_vsi_dis_single_txq - disable a single Tx queue + * @vf: VF to disable queue for + * @vsi: VSI for the VF + * @q_id: VF relative (0-based) queue ID + * + * Attempt to disable the Tx queue passed in. If the Tx queue was successfully + * disabled then clear q_id bit in the enabled queues bitmap and return + * success. Otherwise return error. + */ +static int +ice_vf_vsi_dis_single_txq(struct ice_vf *vf, struct ice_vsi *vsi, u16 q_id) +{ + struct ice_txq_meta txq_meta = { 0 }; + struct ice_tx_ring *ring; + int err; + + if (!test_bit(q_id, vf->txq_ena)) + dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n", + q_id, vsi->vsi_num); + + ring = vsi->tx_rings[q_id]; + if (!ring) + return -EINVAL; + + ice_fill_txq_meta(vsi, ring, &txq_meta); + + err = ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, ring, &txq_meta); + if (err) { + dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n", + q_id, vsi->vsi_num); + return err; + } + + /* Clear enabled queues flag */ + clear_bit(q_id, vf->txq_ena); + + return 0; +} + +/** * ice_vc_dis_qs_msg * @vf: pointer to the VF info * @msg: pointer to the msg buffer * - * called from the VF to disable all or specific - * queue(s) + * called from the VF to disable all or specific queue(s) */ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg) { @@ -1332,30 +1371,15 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg) q_map = vqs->tx_queues; for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) { - struct ice_tx_ring *ring = vsi->tx_rings[vf_q_id]; - struct ice_txq_meta txq_meta = { 0 }; - if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param; } - if (!test_bit(vf_q_id, vf->txq_ena)) - dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n", - vf_q_id, vsi->vsi_num); - - ice_fill_txq_meta(vsi, ring, &txq_meta); - - if (ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, - ring, &txq_meta)) { - dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n", - vf_q_id, vsi->vsi_num); + if (ice_vf_vsi_dis_single_txq(vf, vsi, vf_q_id)) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param; } - - /* Clear enabled queues flag */ - clear_bit(vf_q_id, vf->txq_ena); } } @@ -1604,6 +1628,14 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg) if (qpi->txq.ring_len > 0) { vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr; vsi->tx_rings[i]->count = qpi->txq.ring_len; + + /* Disable any existing queue first */ + if (ice_vf_vsi_dis_single_txq(vf, vsi, q_idx)) { + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto error_param; + } + + /* Configure a queue with the requested settings */ if (ice_vsi_cfg_single_txq(vsi, vsi->tx_rings, q_idx)) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param; diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 683f89f8e3b2..dab8f3f771f8 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -715,7 +715,7 @@ static void mtk_ppe_init_foe_table(struct mtk_ppe *ppe) static const u8 skip[] = { 12, 25, 38, 51, 76, 89, 102 }; int i, k; - memset(ppe->foe_table, 0, MTK_PPE_ENTRIES * sizeof(ppe->foe_table)); + memset(ppe->foe_table, 0, MTK_PPE_ENTRIES * sizeof(*ppe->foe_table)); if (!IS_ENABLED(CONFIG_SOC_MT7621)) return; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c index 01cf5a6a26bd..a2ee695a3f17 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c @@ -568,10 +568,8 @@ static int mlxsw_sp2_ipip_rem_addr_set_gre6(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_ipip_entry *ipip_entry) { - struct __ip6_tnl_parm parms6; - - parms6 = mlxsw_sp_ipip_netdev_parms6(ipip_entry->ol_dev); - return mlxsw_sp_ipv6_addr_kvdl_index_get(mlxsw_sp, &parms6.raddr, + return mlxsw_sp_ipv6_addr_kvdl_index_get(mlxsw_sp, + &ipip_entry->parms.daddr.addr6, &ipip_entry->dip_kvdl_index); } @@ -579,10 +577,7 @@ static void mlxsw_sp2_ipip_rem_addr_unset_gre6(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_ipip_entry *ipip_entry) { - struct __ip6_tnl_parm parms6; - - parms6 = mlxsw_sp_ipip_netdev_parms6(ipip_entry->ol_dev); - mlxsw_sp_ipv6_addr_put(mlxsw_sp, &parms6.raddr); + mlxsw_sp_ipv6_addr_put(mlxsw_sp, &ipip_entry->parms.daddr.addr6); } static const struct mlxsw_sp_ipip_ops mlxsw_sp2_ipip_gre6_ops = { diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 9336f3b00c6e..5f81938c58a9 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1622,7 +1622,7 @@ int ocelot_trap_add(struct ocelot *ocelot, int port, trap->action.mask_mode = OCELOT_MASK_MODE_PERMIT_DENY; trap->action.port_mask = 0; trap->take_ts = take_ts; - list_add_tail(&trap->trap_list, &ocelot->traps); + trap->is_trap = true; new = true; } @@ -1634,10 +1634,8 @@ int ocelot_trap_add(struct ocelot *ocelot, int port, err = ocelot_vcap_filter_replace(ocelot, trap); if (err) { trap->ingress_port_mask &= ~BIT(port); - if (!trap->ingress_port_mask) { - list_del(&trap->trap_list); + if (!trap->ingress_port_mask) kfree(trap); - } return err; } @@ -1657,11 +1655,8 @@ int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie) return 0; trap->ingress_port_mask &= ~BIT(port); - if (!trap->ingress_port_mask) { - list_del(&trap->trap_list); - + if (!trap->ingress_port_mask) return ocelot_vcap_filter_del(ocelot, trap); - } return ocelot_vcap_filter_replace(ocelot, trap); } diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c index 03b5e59d033e..51cf241ff7d0 100644 --- a/drivers/net/ethernet/mscc/ocelot_flower.c +++ b/drivers/net/ethernet/mscc/ocelot_flower.c @@ -280,9 +280,10 @@ static int ocelot_flower_parse_action(struct ocelot *ocelot, int port, filter->type = OCELOT_VCAP_FILTER_OFFLOAD; break; case FLOW_ACTION_TRAP: - if (filter->block_id != VCAP_IS2) { + if (filter->block_id != VCAP_IS2 || + filter->lookup != 0) { NL_SET_ERR_MSG_MOD(extack, - "Trap action can only be offloaded to VCAP IS2"); + "Trap action can only be offloaded to VCAP IS2 lookup 0"); return -EOPNOTSUPP; } if (filter->goto_target != -1) { @@ -295,7 +296,7 @@ static int ocelot_flower_parse_action(struct ocelot *ocelot, int port, filter->action.cpu_copy_ena = true; filter->action.cpu_qu_num = 0; filter->type = OCELOT_VCAP_FILTER_OFFLOAD; - list_add_tail(&filter->trap_list, &ocelot->traps); + filter->is_trap = true; break; case FLOW_ACTION_POLICE: if (filter->block_id == PSFP_BLOCK_ID) { @@ -878,8 +879,6 @@ int ocelot_cls_flower_replace(struct ocelot *ocelot, int port, ret = ocelot_flower_parse(ocelot, port, ingress, f, filter); if (ret) { - if (!list_empty(&filter->trap_list)) - list_del(&filter->trap_list); kfree(filter); return ret; } diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.c b/drivers/net/ethernet/mscc/ocelot_vcap.c index cdbe29f2ddc7..73cdec5ca6a3 100644 --- a/drivers/net/ethernet/mscc/ocelot_vcap.c +++ b/drivers/net/ethernet/mscc/ocelot_vcap.c @@ -374,7 +374,6 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, OCELOT_VCAP_BIT_0); vcap_key_set(vcap, &data, VCAP_IS2_HK_IGR_PORT_MASK, 0, ~filter->ingress_port_mask); - vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_FIRST, OCELOT_VCAP_BIT_ANY); vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_HOST_MATCH, OCELOT_VCAP_BIT_ANY); vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L2_MC, filter->dmac_mc); @@ -1209,6 +1208,8 @@ int ocelot_vcap_filter_add(struct ocelot *ocelot, struct ocelot_vcap_filter *tmp; tmp = ocelot_vcap_block_find_filter_by_index(block, i); + /* Read back the filter's counters before moving it */ + vcap_entry_get(ocelot, i - 1, tmp); vcap_entry_set(ocelot, i, tmp); } @@ -1242,7 +1243,11 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, struct ocelot_vcap_filter del_filter; int i, index; + /* Need to inherit the block_id so that vcap_entry_set() + * does not get confused and knows where to install it. + */ memset(&del_filter, 0, sizeof(del_filter)); + del_filter.block_id = filter->block_id; /* Gets index of the filter */ index = ocelot_vcap_block_get_filter_index(block, filter); @@ -1257,6 +1262,8 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, struct ocelot_vcap_filter *tmp; tmp = ocelot_vcap_block_find_filter_by_index(block, i); + /* Read back the filter's counters before moving it */ + vcap_entry_get(ocelot, i + 1, tmp); vcap_entry_set(ocelot, i, tmp); } diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c index 6ffc62c41165..0a7a757494bc 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c @@ -256,7 +256,7 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = ionic_map_bars(ionic); if (err) - goto err_out_pci_disable_device; + goto err_out_pci_release_regions; /* Configure the device */ err = ionic_setup(ionic); @@ -360,6 +360,7 @@ err_out_teardown: err_out_unmap_bars: ionic_unmap_bars(ionic); +err_out_pci_release_regions: pci_release_regions(pdev); err_out_pci_disable_device: pci_disable_device(pdev); diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index c9ee5011803f..186cb28c03bd 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -3579,6 +3579,11 @@ static int efx_ef10_mtd_probe(struct efx_nic *efx) n_parts++; } + if (!n_parts) { + kfree(parts); + return 0; + } + rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts)); fail: if (rc) diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c index 3f28f9861dfa..79df636d6df8 100644 --- a/drivers/net/ethernet/sfc/efx_channels.c +++ b/drivers/net/ethernet/sfc/efx_channels.c @@ -598,7 +598,6 @@ void efx_fini_channels(struct efx_nic *efx) /* Allocate and initialise a channel structure, copying parameters * (but not resources) from an old channel structure. */ -static struct efx_channel *efx_copy_channel(const struct efx_channel *old_channel) { struct efx_rx_queue *rx_queue; @@ -848,7 +847,9 @@ static void efx_set_xdp_channels(struct efx_nic *efx) int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) { - struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel; + struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel, + *ptp_channel = efx_ptp_channel(efx); + struct efx_ptp_data *ptp_data = efx->ptp_data; unsigned int i, next_buffer_table = 0; u32 old_rxq_entries, old_txq_entries; int rc, rc2; @@ -919,6 +920,7 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) efx_set_xdp_channels(efx); out: + efx->ptp_data = NULL; /* Destroy unused channel structures */ for (i = 0; i < efx->n_channels; i++) { channel = other_channel[i]; @@ -929,6 +931,7 @@ out: } } + efx->ptp_data = ptp_data; rc2 = efx_soft_enable_interrupts(efx); if (rc2) { rc = rc ? rc : rc2; @@ -947,6 +950,7 @@ rollback: efx->txq_entries = old_txq_entries; for (i = 0; i < efx->n_channels; i++) swap(efx->channel[i], other_channel[i]); + efx_ptp_update_channel(efx, ptp_channel); goto out; } diff --git a/drivers/net/ethernet/sfc/efx_channels.h b/drivers/net/ethernet/sfc/efx_channels.h index 64abb99a56b8..46b702648721 100644 --- a/drivers/net/ethernet/sfc/efx_channels.h +++ b/drivers/net/ethernet/sfc/efx_channels.h @@ -39,6 +39,7 @@ int efx_set_channels(struct efx_nic *efx); void efx_remove_channel(struct efx_channel *channel); void efx_remove_channels(struct efx_nic *efx); void efx_fini_channels(struct efx_nic *efx); +struct efx_channel *efx_copy_channel(const struct efx_channel *old_channel); void efx_start_channels(struct efx_nic *efx); void efx_stop_channels(struct efx_nic *efx); diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index f0ef515e2ade..4625f85acab2 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -45,6 +45,7 @@ #include "farch_regs.h" #include "tx.h" #include "nic.h" /* indirectly includes ptp.h */ +#include "efx_channels.h" /* Maximum number of events expected to make up a PTP event */ #define MAX_EVENT_FRAGS 3 @@ -541,6 +542,12 @@ struct efx_channel *efx_ptp_channel(struct efx_nic *efx) return efx->ptp_data ? efx->ptp_data->channel : NULL; } +void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel) +{ + if (efx->ptp_data) + efx->ptp_data->channel = channel; +} + static u32 last_sync_timestamp_major(struct efx_nic *efx) { struct efx_channel *channel = efx_ptp_channel(efx); @@ -1443,6 +1450,11 @@ int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel) int rc = 0; unsigned int pos; + if (efx->ptp_data) { + efx->ptp_data->channel = channel; + return 0; + } + ptp = kzalloc(sizeof(struct efx_ptp_data), GFP_KERNEL); efx->ptp_data = ptp; if (!efx->ptp_data) @@ -2176,7 +2188,7 @@ static const struct efx_channel_type efx_ptp_channel_type = { .pre_probe = efx_ptp_probe_channel, .post_remove = efx_ptp_remove_channel, .get_name = efx_ptp_get_channel_name, - /* no copy operation; there is no need to reallocate this channel */ + .copy = efx_copy_channel, .receive_skb = efx_ptp_rx, .want_txqs = efx_ptp_want_txqs, .keep_eventq = false, diff --git a/drivers/net/ethernet/sfc/ptp.h b/drivers/net/ethernet/sfc/ptp.h index 9855e8c9e544..7b1ef7002b3f 100644 --- a/drivers/net/ethernet/sfc/ptp.h +++ b/drivers/net/ethernet/sfc/ptp.h @@ -16,6 +16,7 @@ struct ethtool_ts_info; int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel); void efx_ptp_defer_probe_with_channel(struct efx_nic *efx); struct efx_channel *efx_ptp_channel(struct efx_nic *efx); +void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel); void efx_ptp_remove(struct efx_nic *efx); int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr); int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index fcf17d8a0494..644bb54f5f02 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -181,7 +181,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev, return -ENOMEM; /* Enable pci device */ - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret) { dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n", __func__); @@ -241,8 +241,6 @@ static void stmmac_pci_remove(struct pci_dev *pdev) pcim_iounmap_regions(pdev, BIT(i)); break; } - - pci_disable_device(pdev); } static int __maybe_unused stmmac_pci_suspend(struct device *dev) diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 685a0ab5453c..c34a93403d1e 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1959,7 +1959,7 @@ static int ksz886x_cable_test_get_status(struct phy_device *phydev, static int lanphy_read_page_reg(struct phy_device *phydev, int page, u32 addr) { - u32 data; + int data; phy_lock_mdio_bus(phydev); __phy_write(phydev, LAN_EXT_PAGE_ACCESS_CONTROL, page); @@ -2660,8 +2660,7 @@ static int lan8804_config_init(struct phy_device *phydev) static irqreturn_t lan8814_handle_interrupt(struct phy_device *phydev) { - u16 tsu_irq_status; - int irq_status; + int irq_status, tsu_irq_status; irq_status = phy_read(phydev, LAN8814_INTS); if (irq_status > 0 && (irq_status & LAN8814_INT_LINK)) @@ -2896,6 +2895,7 @@ static struct phy_driver ksphy_driver[] = { .name = "Micrel KS8737", /* PHY_BASIC_FEATURES */ .driver_data = &ks8737_type, + .probe = kszphy_probe, .config_init = kszphy_config_init, .config_intr = kszphy_config_intr, .handle_interrupt = kszphy_handle_interrupt, @@ -3021,8 +3021,8 @@ static struct phy_driver ksphy_driver[] = { .config_init = ksz8061_config_init, .config_intr = kszphy_config_intr, .handle_interrupt = kszphy_handle_interrupt, - .suspend = kszphy_suspend, - .resume = kszphy_resume, + .suspend = genphy_suspend, + .resume = genphy_resume, }, { .phy_id = PHY_ID_KSZ9021, .phy_id_mask = 0x000ffffe, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 9034c6a8e18f..ef62f357b76d 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -974,8 +974,13 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) { struct phy_device *phydev = phy_dat; struct phy_driver *drv = phydev->drv; + irqreturn_t ret; - return drv->handle_interrupt(phydev); + mutex_lock(&phydev->lock); + ret = drv->handle_interrupt(phydev); + mutex_unlock(&phydev->lock); + + return ret; } /** diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index 866a33f49915..3237d4b528b5 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -371,7 +371,7 @@ void iwl_dbg_tlv_del_timers(struct iwl_trans *trans) struct iwl_dbg_tlv_timer_node *node, *tmp; list_for_each_entry_safe(node, tmp, timer_list, list) { - del_timer(&node->timer); + del_timer_sync(&node->timer); list_del(&node->list); kfree(node); } diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index afdf48550588..2f746eb64507 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2202,11 +2202,14 @@ mac80211_hwsim_sta_rc_update(struct ieee80211_hw *hw, if (!data->use_chanctx) { confbw = data->bw; } else { - struct ieee80211_chanctx_conf *chanctx_conf = - rcu_dereference(vif->chanctx_conf); + struct ieee80211_chanctx_conf *chanctx_conf; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(vif->chanctx_conf); if (!WARN_ON(!chanctx_conf)) confbw = chanctx_conf->def.width; + rcu_read_unlock(); } WARN(bw > hwsim_get_chanwidth(confbw), @@ -2475,11 +2478,13 @@ static void hw_scan_work(struct work_struct *work) if (req->ie_len) skb_put_data(probe, req->ie, req->ie_len); + rcu_read_lock(); if (!ieee80211_tx_prepare_skb(hwsim->hw, hwsim->hw_scan_vif, probe, hwsim->tmp_chan->band, NULL)) { + rcu_read_unlock(); kfree_skb(probe); continue; } @@ -2487,6 +2492,7 @@ static void hw_scan_work(struct work_struct *work) local_bh_disable(); mac80211_hwsim_tx_frame(hwsim->hw, probe, hwsim->tmp_chan); + rcu_read_unlock(); local_bh_enable(); } } diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c index d384d36098c2..a62c5dfe42d6 100644 --- a/drivers/platform/surface/aggregator/core.c +++ b/drivers/platform/surface/aggregator/core.c @@ -817,7 +817,7 @@ err_cpkg: err_bus: return status; } -module_init(ssam_core_init); +subsys_initcall(ssam_core_init); static void __exit ssam_core_exit(void) { diff --git a/drivers/platform/surface/surface_gpe.c b/drivers/platform/surface/surface_gpe.c index c1775db29efb..ec66fde28e75 100644 --- a/drivers/platform/surface/surface_gpe.c +++ b/drivers/platform/surface/surface_gpe.c @@ -100,6 +100,14 @@ static const struct dmi_system_id dmi_lid_device_table[] = { .driver_data = (void *)lid_device_props_l4D, }, { + .ident = "Surface Pro 8", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Surface Pro 8"), + }, + .driver_data = (void *)lid_device_props_l4B, + }, + { .ident = "Surface Book 1", .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c index 6b6f3e2a617a..f73ecfd4a309 100644 --- a/drivers/platform/x86/intel/pmt/telemetry.c +++ b/drivers/platform/x86/intel/pmt/telemetry.c @@ -103,7 +103,7 @@ static int pmt_telem_probe(struct auxiliary_device *auxdev, const struct auxilia auxiliary_set_drvdata(auxdev, priv); for (i = 0; i < intel_vsec_dev->num_resources; i++) { - struct intel_pmt_entry *entry = &priv->entry[i]; + struct intel_pmt_entry *entry = &priv->entry[priv->num_entries]; ret = intel_pmt_dev_create(entry, &pmt_telem_ns, intel_vsec_dev, i); if (ret < 0) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index c568fae56db2..e6cb4a14cdd4 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -309,6 +309,20 @@ struct ibm_init_struct { struct ibm_struct *data; }; +/* DMI Quirks */ +struct quirk_entry { + bool btusb_bug; + u32 s2idle_bug_mmio; +}; + +static struct quirk_entry quirk_btusb_bug = { + .btusb_bug = true, +}; + +static struct quirk_entry quirk_s2idle_bug = { + .s2idle_bug_mmio = 0xfed80380, +}; + static struct { u32 bluetooth:1; u32 hotkey:1; @@ -338,6 +352,7 @@ static struct { u32 hotkey_poll_active:1; u32 has_adaptive_kbd:1; u32 kbd_lang:1; + struct quirk_entry *quirks; } tp_features; static struct { @@ -4359,9 +4374,10 @@ static void bluetooth_exit(void) bluetooth_shutdown(); } -static const struct dmi_system_id bt_fwbug_list[] __initconst = { +static const struct dmi_system_id fwbug_list[] __initconst = { { .ident = "ThinkPad E485", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20KU"), @@ -4369,6 +4385,7 @@ static const struct dmi_system_id bt_fwbug_list[] __initconst = { }, { .ident = "ThinkPad E585", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20KV"), @@ -4376,6 +4393,7 @@ static const struct dmi_system_id bt_fwbug_list[] __initconst = { }, { .ident = "ThinkPad A285 - 20MW", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20MW"), @@ -4383,6 +4401,7 @@ static const struct dmi_system_id bt_fwbug_list[] __initconst = { }, { .ident = "ThinkPad A285 - 20MX", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20MX"), @@ -4390,6 +4409,7 @@ static const struct dmi_system_id bt_fwbug_list[] __initconst = { }, { .ident = "ThinkPad A485 - 20MU", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20MU"), @@ -4397,14 +4417,125 @@ static const struct dmi_system_id bt_fwbug_list[] __initconst = { }, { .ident = "ThinkPad A485 - 20MV", + .driver_data = &quirk_btusb_bug, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_BOARD_NAME, "20MV"), }, }, + { + .ident = "L14 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20X5"), + } + }, + { + .ident = "T14s Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XF"), + } + }, + { + .ident = "X13 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XH"), + } + }, + { + .ident = "T14 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XK"), + } + }, + { + .ident = "T14 Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UD"), + } + }, + { + .ident = "T14 Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UE"), + } + }, + { + .ident = "T14s Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UH"), + } + }, + { + .ident = "P14s Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20Y1"), + } + }, + { + .ident = "P14s Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21A0"), + } + }, {} }; +#ifdef CONFIG_SUSPEND +/* + * Lenovo laptops from a variety of generations run a SMI handler during the D3->D0 + * transition that occurs specifically when exiting suspend to idle which can cause + * large delays during resume when the IOMMU translation layer is enabled (the default + * behavior) for NVME devices: + * + * To avoid this firmware problem, skip the SMI handler on these machines before the + * D0 transition occurs. + */ +static void thinkpad_acpi_amd_s2idle_restore(void) +{ + struct resource *res; + void __iomem *addr; + u8 val; + + res = request_mem_region_muxed(tp_features.quirks->s2idle_bug_mmio, 1, + "thinkpad_acpi_pm80"); + if (!res) + return; + + addr = ioremap(tp_features.quirks->s2idle_bug_mmio, 1); + if (!addr) + goto cleanup_resource; + + val = ioread8(addr); + iowrite8(val & ~BIT(0), addr); + + iounmap(addr); +cleanup_resource: + release_resource(res); +} + +static struct acpi_s2idle_dev_ops thinkpad_acpi_s2idle_dev_ops = { + .restore = thinkpad_acpi_amd_s2idle_restore, +}; +#endif + static const struct pci_device_id fwbug_cards_ids[] __initconst = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x24F3) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x24FD) }, @@ -4419,7 +4550,8 @@ static int __init have_bt_fwbug(void) * Some AMD based ThinkPads have a firmware bug that calling * "GBDC" will cause bluetooth on Intel wireless cards blocked */ - if (dmi_check_system(bt_fwbug_list) && pci_dev_present(fwbug_cards_ids)) { + if (tp_features.quirks && tp_features.quirks->btusb_bug && + pci_dev_present(fwbug_cards_ids)) { vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL, FW_BUG "disable bluetooth subdriver for Intel cards\n"); return 1; @@ -8748,24 +8880,27 @@ static int __init fan_init(struct ibm_init_struct *iibm) fan_status_access_mode = TPACPI_FAN_RD_TPEC; if (quirks & TPACPI_FAN_Q1) fan_quirk1_setup(); - if (quirks & TPACPI_FAN_2FAN) { - tp_features.second_fan = 1; - pr_info("secondary fan support enabled\n"); - } - if (quirks & TPACPI_FAN_2CTL) { - tp_features.second_fan = 1; - tp_features.second_fan_ctl = 1; - pr_info("secondary fan control enabled\n"); - } /* Try and probe the 2nd fan */ + tp_features.second_fan = 1; /* needed for get_speed to work */ res = fan2_get_speed(&speed); if (res >= 0) { /* It responded - so let's assume it's there */ tp_features.second_fan = 1; tp_features.second_fan_ctl = 1; pr_info("secondary fan control detected & enabled\n"); + } else { + /* Fan not auto-detected */ + tp_features.second_fan = 0; + if (quirks & TPACPI_FAN_2FAN) { + tp_features.second_fan = 1; + pr_info("secondary fan support enabled\n"); + } + if (quirks & TPACPI_FAN_2CTL) { + tp_features.second_fan = 1; + tp_features.second_fan_ctl = 1; + pr_info("secondary fan control enabled\n"); + } } - } else { pr_err("ThinkPad ACPI EC access misbehaving, fan status and control unavailable\n"); return -ENODEV; @@ -11455,6 +11590,10 @@ static void thinkpad_acpi_module_exit(void) tpacpi_lifecycle = TPACPI_LIFE_EXITING; +#ifdef CONFIG_SUSPEND + if (tp_features.quirks && tp_features.quirks->s2idle_bug_mmio) + acpi_unregister_lps0_dev(&thinkpad_acpi_s2idle_dev_ops); +#endif if (tpacpi_hwmon) hwmon_device_unregister(tpacpi_hwmon); if (tp_features.sensors_pdrv_registered) @@ -11496,6 +11635,7 @@ static void thinkpad_acpi_module_exit(void) static int __init thinkpad_acpi_module_init(void) { + const struct dmi_system_id *dmi_id; int ret, i; tpacpi_lifecycle = TPACPI_LIFE_INIT; @@ -11535,6 +11675,10 @@ static int __init thinkpad_acpi_module_init(void) return -ENODEV; } + dmi_id = dmi_first_match(fwbug_list); + if (dmi_id) + tp_features.quirks = dmi_id->driver_data; + /* Device initialization */ tpacpi_pdev = platform_device_register_simple(TPACPI_DRVR_NAME, -1, NULL, 0); @@ -11623,6 +11767,13 @@ static int __init thinkpad_acpi_module_init(void) tp_features.input_device_registered = 1; } +#ifdef CONFIG_SUSPEND + if (tp_features.quirks && tp_features.quirks->s2idle_bug_mmio) { + if (!acpi_register_lps0_dev(&thinkpad_acpi_s2idle_dev_ops)) + pr_info("Using s2idle quirk to avoid %s platform firmware bug\n", + (dmi_id && dmi_id->ident) ? dmi_id->ident : ""); + } +#endif return 0; } diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 0feaa4b45317..dd45471f6780 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -1557,7 +1557,7 @@ ptp_ocp_signal_set(struct ptp_ocp *bp, int gen, struct ptp_ocp_signal *s) start_ns = ktime_set(ts.tv_sec, ts.tv_nsec) + NSEC_PER_MSEC; if (!s->start) { /* roundup() does not work on 32-bit systems */ - s->start = DIV_ROUND_UP_ULL(start_ns, s->period); + s->start = DIV64_U64_ROUND_UP(start_ns, s->period); s->start = ktime_add(s->start, s->phase); } diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 8e87a31e329d..ba6d78789660 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1422,6 +1422,13 @@ int dasd_start_IO(struct dasd_ccw_req *cqr) if (!cqr->lpm) cqr->lpm = dasd_path_get_opm(device); } + /* + * remember the amount of formatted tracks to prevent double format on + * ESE devices + */ + if (cqr->block) + cqr->trkcount = atomic_read(&cqr->block->trkcount); + if (cqr->cpmode == 1) { rc = ccw_device_tm_start(device->cdev, cqr->cpaddr, (long) cqr, cqr->lpm); @@ -1639,6 +1646,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, unsigned long now; int nrf_suppressed = 0; int fp_suppressed = 0; + struct request *req; u8 *sense = NULL; int expires; @@ -1739,7 +1747,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, } if (dasd_ese_needs_format(cqr->block, irb)) { - if (rq_data_dir((struct request *)cqr->callback_data) == READ) { + req = dasd_get_callback_data(cqr); + if (!req) { + cqr->status = DASD_CQR_ERROR; + return; + } + if (rq_data_dir(req) == READ) { device->discipline->ese_read(cqr, irb); cqr->status = DASD_CQR_SUCCESS; cqr->stopclk = now; @@ -2765,8 +2778,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr) * complete a request partially. */ if (proc_bytes) { - blk_update_request(req, BLK_STS_OK, - blk_rq_bytes(req) - proc_bytes); + blk_update_request(req, BLK_STS_OK, proc_bytes); blk_mq_requeue_request(req, true); } else if (likely(!blk_should_fake_timeout(req->q))) { blk_mq_complete_request(req); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 8410a25a65c1..836838f7d686 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1480,7 +1480,7 @@ static int dasd_eckd_pe_handler(struct dasd_device *device, { struct pe_handler_work_data *data; - data = kmalloc(sizeof(*data), GFP_ATOMIC | GFP_DMA); + data = kzalloc(sizeof(*data), GFP_ATOMIC | GFP_DMA); if (!data) { if (mutex_trylock(&dasd_pe_handler_mutex)) { data = pe_handler_worker; @@ -1488,9 +1488,6 @@ static int dasd_eckd_pe_handler(struct dasd_device *device, } else { return -ENOMEM; } - } else { - memset(data, 0, sizeof(*data)); - data->isglobal = 0; } INIT_WORK(&data->worker, do_pe_handler_work); dasd_get_device(device); @@ -3083,13 +3080,24 @@ static int dasd_eckd_format_device(struct dasd_device *base, } static bool test_and_set_format_track(struct dasd_format_entry *to_format, - struct dasd_block *block) + struct dasd_ccw_req *cqr) { + struct dasd_block *block = cqr->block; struct dasd_format_entry *format; unsigned long flags; bool rc = false; spin_lock_irqsave(&block->format_lock, flags); + if (cqr->trkcount != atomic_read(&block->trkcount)) { + /* + * The number of formatted tracks has changed after request + * start and we can not tell if the current track was involved. + * To avoid data corruption treat it as if the current track is + * involved + */ + rc = true; + goto out; + } list_for_each_entry(format, &block->format_list, list) { if (format->track == to_format->track) { rc = true; @@ -3109,6 +3117,7 @@ static void clear_format_track(struct dasd_format_entry *format, unsigned long flags; spin_lock_irqsave(&block->format_lock, flags); + atomic_inc(&block->trkcount); list_del_init(&format->list); spin_unlock_irqrestore(&block->format_lock, flags); } @@ -3145,7 +3154,7 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr, sector_t curr_trk; int rc; - req = cqr->callback_data; + req = dasd_get_callback_data(cqr); block = cqr->block; base = block->base; private = base->private; @@ -3170,8 +3179,11 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr, } format->track = curr_trk; /* test if track is already in formatting by another thread */ - if (test_and_set_format_track(format, block)) + if (test_and_set_format_track(format, cqr)) { + /* this is no real error so do not count down retries */ + cqr->retries++; return ERR_PTR(-EEXIST); + } fdata.start_unit = curr_trk; fdata.stop_unit = curr_trk; @@ -3270,12 +3282,11 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb) cqr->proc_bytes = blk_count * blksize; return 0; } - if (dst && !skip_block) { - dst += off; + if (dst && !skip_block) memset(dst, 0, blksize); - } else { + else skip_block--; - } + dst += blksize; blk_count++; } } diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 3b7af00a7825..83b918b84b4a 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -187,6 +187,7 @@ struct dasd_ccw_req { void (*callback)(struct dasd_ccw_req *, void *data); void *callback_data; unsigned int proc_bytes; /* bytes for partial completion */ + unsigned int trkcount; /* count formatted tracks */ }; /* @@ -610,6 +611,7 @@ struct dasd_block { struct list_head format_list; spinlock_t format_lock; + atomic_t trkcount; }; struct dasd_attention_data { @@ -756,6 +758,18 @@ dasd_check_blocksize(int bsize) return 0; } +/* + * return the callback data of the original request in case there are + * ERP requests build on top of it + */ +static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr) +{ + while (cqr->refers) + cqr = cqr->refers; + + return cqr->callback_data; +} + /* externals in dasd.c */ #define DASD_PROFILE_OFF 0 #define DASD_PROFILE_ON 1 diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index 88abfb5e8045..8ac213a55141 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -626,8 +626,6 @@ static void mpc_rcvd_sweep_resp(struct mpcg_info *mpcginfo) ctcm_clear_busy_do(dev); } - kfree(mpcginfo); - return; } @@ -1192,10 +1190,10 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb) CTCM_FUNTAIL, dev->name); priv->stats.rx_dropped++; /* mpcginfo only used for non-data transfers */ - kfree(mpcginfo); if (do_debug_data) ctcmpc_dump_skb(pskb, -8); } + kfree(mpcginfo); } done: @@ -1977,7 +1975,6 @@ static void mpc_action_rcvd_xid0(fsm_instance *fsm, int event, void *arg) } break; } - kfree(mpcginfo); CTCM_PR_DEBUG("ctcmpc:%s() %s xid2:%i xid7:%i xidt_p2:%i \n", __func__, ch->id, grp->outstanding_xid2, @@ -2038,7 +2035,6 @@ static void mpc_action_rcvd_xid7(fsm_instance *fsm, int event, void *arg) mpc_validate_xid(mpcginfo); break; } - kfree(mpcginfo); return; } diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c index ded1930a00b2..e3813a7aa5e6 100644 --- a/drivers/s390/net/ctcm_sysfs.c +++ b/drivers/s390/net/ctcm_sysfs.c @@ -39,11 +39,12 @@ static ssize_t ctcm_buffer_write(struct device *dev, struct ctcm_priv *priv = dev_get_drvdata(dev); int rc; - ndev = priv->channel[CTCM_READ]->netdev; - if (!(priv && priv->channel[CTCM_READ] && ndev)) { + if (!(priv && priv->channel[CTCM_READ] && + priv->channel[CTCM_READ]->netdev)) { CTCM_DBF_TEXT(SETUP, CTC_DBF_ERROR, "bfnondev"); return -ENODEV; } + ndev = priv->channel[CTCM_READ]->netdev; rc = kstrtouint(buf, 0, &bs1); if (rc) diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index bab9b34926c6..84c8981317b4 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1736,10 +1736,11 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd) lcs_schedule_recovery(card); break; case LCS_CMD_STOPLAN: - pr_warn("Stoplan for %s initiated by LGW\n", - card->dev->name); - if (card->dev) + if (card->dev) { + pr_warn("Stoplan for %s initiated by LGW\n", + card->dev->name); netif_carrier_off(card->dev); + } break; default: LCS_DBF_TEXT(5, trace, "noLGWcmd"); diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index a6bb0e438216..97eb0dee411c 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1434,7 +1434,10 @@ fb_release(struct inode *inode, struct file *file) __acquires(&info->lock) __releases(&info->lock) { - struct fb_info * const info = file->private_data; + struct fb_info * const info = file_fb_info(file); + + if (!info) + return -ENODEV; lock_fb_info(info); if (info->fbops->fb_release) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ed8e288cc369..31c3f592e587 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3658,6 +3658,17 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device if (sectorsize < PAGE_SIZE) { struct btrfs_subpage_info *subpage_info; + /* + * V1 space cache has some hardcoded PAGE_SIZE usage, and is + * going to be deprecated. + * + * Force to use v2 cache for subpage case. + */ + btrfs_clear_opt(fs_info->mount_opt, SPACE_CACHE); + btrfs_set_and_info(fs_info, FREE_SPACE_TREE, + "forcing free space tree for sector size %u with page size %lu", + sectorsize, PAGE_SIZE); + btrfs_warn(fs_info, "read-write for sector size %u with page size %lu is experimental", sectorsize, PAGE_SIZE); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 17389a42a3ab..ba78ca5aabbb 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -922,6 +922,9 @@ static ssize_t btrfs_exclusive_operation_show(struct kobject *kobj, case BTRFS_EXCLOP_BALANCE: str = "balance\n"; break; + case BTRFS_EXCLOP_BALANCE_PAUSED: + str = "balance paused\n"; + break; case BTRFS_EXCLOP_DEV_ADD: str = "device add\n"; break; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 11399c8eed87..e65633686378 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3721,11 +3721,29 @@ static noinline int insert_dir_log_key(struct btrfs_trans_handle *trans, key.offset = first_offset; key.type = BTRFS_DIR_LOG_INDEX_KEY; ret = btrfs_insert_empty_item(trans, log, path, &key, sizeof(*item)); - if (ret) + /* + * -EEXIST is fine and can happen sporadically when we are logging a + * directory and have concurrent insertions in the subvolume's tree for + * items from other inodes and that result in pushing off some dir items + * from one leaf to another in order to accommodate for the new items. + * This results in logging the same dir index range key. + */ + if (ret && ret != -EEXIST) return ret; item = btrfs_item_ptr(path->nodes[0], path->slots[0], struct btrfs_dir_log_item); + if (ret == -EEXIST) { + const u64 curr_end = btrfs_dir_log_end(path->nodes[0], item); + + /* + * btrfs_del_dir_entries_in_log() might have been called during + * an unlink between the initial insertion of this key and the + * current update, or we might be logging a single entry deletion + * during a rename, so set the new last_offset to the max value. + */ + last_offset = max(last_offset, curr_end); + } btrfs_set_dir_log_end(path->nodes[0], item, last_offset); btrfs_mark_buffer_dirty(path->nodes[0]); btrfs_release_path(path); @@ -3849,13 +3867,6 @@ static int process_dir_items_leaf(struct btrfs_trans_handle *trans, ret = insert_dir_log_key(trans, log, dst_path, ino, *last_old_dentry_offset + 1, key.offset - 1); - /* - * -EEXIST should never happen because when we - * log a directory in full mode (LOG_INODE_ALL) - * we drop all BTRFS_DIR_LOG_INDEX_KEY keys from - * the log tree. - */ - ASSERT(ret != -EEXIST); if (ret < 0) return ret; } @@ -7031,12 +7042,12 @@ void btrfs_log_new_name(struct btrfs_trans_handle *trans, /* * Other concurrent task might be logging the old directory, * as it can be triggered when logging other inode that had or - * still has a dentry in the old directory. So take the old - * directory's log_mutex to prevent getting an -EEXIST when - * logging a key to record the deletion, or having that other - * task logging the old directory get an -EEXIST if it attempts - * to log the same key after we just did it. In both cases that - * would result in falling back to a transaction commit. + * still has a dentry in the old directory. We lock the old + * directory's log_mutex to ensure the deletion of the old + * name is persisted, because during directory logging we + * delete all BTRFS_DIR_LOG_INDEX_KEY keys and the deletion of + * the old name's dir index item is in the delayed items, so + * it could be missed by an in progress directory logging. */ mutex_lock(&old_dir->log_mutex); ret = del_logged_dentry(trans, log, path, btrfs_ino(old_dir), diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 1b1b310c3c51..d31b0eda210f 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1835,6 +1835,12 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group) goto out_unlock; } + /* No space left */ + if (block_group->alloc_offset == block_group->zone_capacity) { + ret = false; + goto out_unlock; + } + for (i = 0; i < map->num_stripes; i++) { device = map->stripes[i].dev; physical = map->stripes[i].physical; @@ -1842,35 +1848,23 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group) if (device->zone_info->max_active_zones == 0) continue; - /* No space left */ - if (block_group->alloc_offset == block_group->zone_capacity) { - ret = false; - goto out_unlock; - } - if (!btrfs_dev_set_active_zone(device, physical)) { /* Cannot activate the zone */ ret = false; goto out_unlock; } - - /* Successfully activated all the zones */ - if (i == map->num_stripes - 1) - block_group->zone_is_active = 1; - - } + + /* Successfully activated all the zones */ + block_group->zone_is_active = 1; spin_unlock(&block_group->lock); - if (block_group->zone_is_active) { - /* For the active block group list */ - btrfs_get_block_group(block_group); + /* For the active block group list */ + btrfs_get_block_group(block_group); - spin_lock(&fs_info->zone_active_bgs_lock); - list_add_tail(&block_group->active_bg_list, - &fs_info->zone_active_bgs); - spin_unlock(&fs_info->zone_active_bgs_lock); - } + spin_lock(&fs_info->zone_active_bgs_lock); + list_add_tail(&block_group->active_bg_list, &fs_info->zone_active_bgs); + spin_unlock(&fs_info->zone_active_bgs_lock); return true; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 591fe9cf1659..1fae0196292a 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -1712,6 +1712,10 @@ static int writeback_single_inode(struct inode *inode, */ if (!(inode->i_state & I_DIRTY_ALL)) inode_cgwb_move_to_attached(inode, wb); + else if (!(inode->i_state & I_SYNC_QUEUED) && + (inode->i_state & I_DIRTY)) + redirty_tail_locked(inode, wb); + spin_unlock(&wb->list_lock); inode_sync_complete(inode); out: diff --git a/fs/io_uring.c b/fs/io_uring.c index e01f595f5b7d..91de361ea9ab 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -6947,7 +6947,12 @@ static int io_req_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) static int io_req_prep_async(struct io_kiocb *req) { - if (!io_op_defs[req->opcode].needs_async_setup) + const struct io_op_def *def = &io_op_defs[req->opcode]; + + /* assign early for deferred execution for non-fixed file */ + if (def->needs_file && !(req->flags & REQ_F_FIXED_FILE)) + req->file = io_file_get_normal(req, req->fd); + if (!def->needs_async_setup) return 0; if (WARN_ON_ONCE(req_has_async_data(req))) return -EFAULT; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 16106f805ffa..a79f66432bd3 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -363,6 +363,14 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent kunmap_atomic(start); } +static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version) +{ + if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) { + fattr->pre_change_attr = version; + fattr->valid |= NFS_ATTR_FATTR_PRECHANGE; + } +} + static void nfs4_test_and_free_stateid(struct nfs_server *server, nfs4_stateid *stateid, const struct cred *cred) @@ -6553,7 +6561,9 @@ static void nfs4_delegreturn_release(void *calldata) pnfs_roc_release(&data->lr.arg, &data->lr.res, data->res.lr_ret); if (inode) { - nfs_post_op_update_inode_force_wcc(inode, &data->fattr); + nfs4_fattr_set_prechange(&data->fattr, + inode_peek_iversion_raw(inode)); + nfs_refresh_inode(inode, &data->fattr); nfs_iput_and_deactive(inode); } kfree(calldata); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 9b32b76a9c30..a792e21c5309 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -1657,6 +1657,19 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask, else mnt = path.mnt; + /* + * FAN_RENAME is not allowed on non-dir (for now). + * We shouldn't have allowed setting any dirent events in mask of + * non-dir, but because we always allowed it, error only if group + * was initialized with the new flag FAN_REPORT_TARGET_FID. + */ + ret = -ENOTDIR; + if (inode && !S_ISDIR(inode->i_mode) && + ((mask & FAN_RENAME) || + ((mask & FANOTIFY_DIRENT_EVENTS) && + FAN_GROUP_FLAG(group, FAN_REPORT_TARGET_FID)))) + goto path_put_and_out; + /* Mask out FAN_EVENT_ON_CHILD flag for sb/mount/non-dir marks */ if (mnt || !S_ISDIR(inode->i_mode)) { mask &= ~FAN_EVENT_ON_CHILD; diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 0ed4861b038f..b3d5f97f16cd 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -75,11 +75,11 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, if (fileident) { if (adinicb || (offset + lfi < 0)) { - memcpy(udf_get_fi_ident(sfi), fileident, lfi); + memcpy(sfi->impUse + liu, fileident, lfi); } else if (offset >= 0) { memcpy(fibh->ebh->b_data + offset, fileident, lfi); } else { - memcpy(udf_get_fi_ident(sfi), fileident, -offset); + memcpy(sfi->impUse + liu, fileident, -offset); memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset); } @@ -88,11 +88,11 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, offset += lfi; if (adinicb || (offset + padlen < 0)) { - memset(udf_get_fi_ident(sfi) + lfi, 0x00, padlen); + memset(sfi->impUse + liu + lfi, 0x00, padlen); } else if (offset >= 0) { memset(fibh->ebh->b_data + offset, 0x00, padlen); } else { - memset(udf_get_fi_ident(sfi) + lfi, 0x00, -offset); + memset(sfi->impUse + liu + lfi, 0x00, -offset); memset(fibh->ebh->b_data, 0x00, padlen + offset); } diff --git a/include/linux/bio.h b/include/linux/bio.h index 278cc81cc1e7..00450fd86bb4 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -269,6 +269,7 @@ struct folio_iter { size_t offset; size_t length; /* private: for use by the iterator */ + struct folio *_next; size_t _seg_count; int _i; }; @@ -283,6 +284,7 @@ static inline void bio_first_folio(struct folio_iter *fi, struct bio *bio, PAGE_SIZE * (bvec->bv_page - &fi->folio->page); fi->_seg_count = bvec->bv_len; fi->length = min(folio_size(fi->folio) - fi->offset, fi->_seg_count); + fi->_next = folio_next(fi->folio); fi->_i = i; } @@ -290,9 +292,10 @@ static inline void bio_next_folio(struct folio_iter *fi, struct bio *bio) { fi->_seg_count -= fi->length; if (fi->_seg_count) { - fi->folio = folio_next(fi->folio); + fi->folio = fi->_next; fi->offset = 0; fi->length = min(folio_size(fi->folio), fi->_seg_count); + fi->_next = folio_next(fi->folio); } else if (fi->_i + 1 < bio->bi_vcnt) { bio_first_folio(fi, bio, fi->_i + 1); } else { diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 7aa5c54901a9..9f07061418db 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -163,7 +163,6 @@ struct request { struct rb_node rb_node; /* sort/lookup */ struct bio_vec special_vec; void *completion_data; - int error_count; /* for legacy drivers, don't use */ }; diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 2c6b9e416225..7c2d77d75a88 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -169,7 +169,7 @@ enum { #define NETIF_F_HW_HSR_FWD __NETIF_F(HW_HSR_FWD) #define NETIF_F_HW_HSR_DUP __NETIF_F(HW_HSR_DUP) -/* Finds the next feature with the highest number of the range of start till 0. +/* Finds the next feature with the highest number of the range of start-1 till 0. */ static inline int find_next_netdev_feature(u64 feature, unsigned long start) { @@ -188,7 +188,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start) for ((bit) = find_next_netdev_feature((mask_addr), \ NETDEV_FEATURE_COUNT); \ (bit) >= 0; \ - (bit) = find_next_netdev_feature((mask_addr), (bit) - 1)) + (bit) = find_next_netdev_feature((mask_addr), (bit))) /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 267b7aeaf1a6..db5149567305 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -160,6 +160,7 @@ struct rpc_add_xprt_test { #define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT (1UL << 9) #define RPC_CLNT_CREATE_SOFTERR (1UL << 10) #define RPC_CLNT_CREATE_REUSEPORT (1UL << 11) +#define RPC_CLNT_CREATE_IGNORE_NULL_UNAVAIL (1UL << 12) struct rpc_clnt *rpc_create(struct rpc_create_args *args); struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *, diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 8abd08245326..62d7b81b1cb7 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -36,6 +36,9 @@ /* HCI priority */ #define HCI_PRIO_MAX 7 +/* HCI maximum id value */ +#define HCI_MAX_ID 10000 + /* HCI Core structures */ struct inquiry_data { bdaddr_t bdaddr; diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h index 748cf87a4d7e..3e02709a1df6 100644 --- a/include/net/tc_act/tc_pedit.h +++ b/include/net/tc_act/tc_pedit.h @@ -14,6 +14,7 @@ struct tcf_pedit { struct tc_action common; unsigned char tcfp_nkeys; unsigned char tcfp_flags; + u32 tcfp_off_max_hint; struct tc_pedit_key *tcfp_keys; struct tcf_pedit_key_ex *tcfp_keys_ex; }; diff --git a/include/soc/mscc/ocelot_vcap.h b/include/soc/mscc/ocelot_vcap.h index 7b2bf9b1fe69..de26c992f821 100644 --- a/include/soc/mscc/ocelot_vcap.h +++ b/include/soc/mscc/ocelot_vcap.h @@ -681,7 +681,6 @@ struct ocelot_vcap_id { struct ocelot_vcap_filter { struct list_head list; - struct list_head trap_list; enum ocelot_vcap_filter_type type; int block_id; @@ -695,6 +694,7 @@ struct ocelot_vcap_filter { struct ocelot_vcap_stats stats; /* For VCAP IS1 and IS2 */ bool take_ts; + bool is_trap; unsigned long ingress_port_mask; /* For VCAP ES0 */ struct ocelot_vcap_port ingress_port; diff --git a/include/uapi/linux/rfkill.h b/include/uapi/linux/rfkill.h index 283c5a7b3f2c..db6c8588c1d0 100644 --- a/include/uapi/linux/rfkill.h +++ b/include/uapi/linux/rfkill.h @@ -184,7 +184,7 @@ struct rfkill_event_ext { #define RFKILL_IOC_NOINPUT 1 #define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) #define RFKILL_IOC_MAX_SIZE 2 -#define RFKILL_IOCTL_MAX_SIZE _IOW(RFKILL_IOC_MAGIC, RFKILL_IOC_EXT_SIZE, __u32) +#define RFKILL_IOCTL_MAX_SIZE _IOW(RFKILL_IOC_MAGIC, RFKILL_IOC_MAX_SIZE, __u32) /* and that's all userspace gets */ diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h index 80d76b75bccd..7aa2eb766205 100644 --- a/include/uapi/linux/virtio_ids.h +++ b/include/uapi/linux/virtio_ids.h @@ -73,12 +73,12 @@ * Virtio Transitional IDs */ -#define VIRTIO_TRANS_ID_NET 1000 /* transitional virtio net */ -#define VIRTIO_TRANS_ID_BLOCK 1001 /* transitional virtio block */ -#define VIRTIO_TRANS_ID_BALLOON 1002 /* transitional virtio balloon */ -#define VIRTIO_TRANS_ID_CONSOLE 1003 /* transitional virtio console */ -#define VIRTIO_TRANS_ID_SCSI 1004 /* transitional virtio SCSI */ -#define VIRTIO_TRANS_ID_RNG 1005 /* transitional virtio rng */ -#define VIRTIO_TRANS_ID_9P 1009 /* transitional virtio 9p console */ +#define VIRTIO_TRANS_ID_NET 0x1000 /* transitional virtio net */ +#define VIRTIO_TRANS_ID_BLOCK 0x1001 /* transitional virtio block */ +#define VIRTIO_TRANS_ID_BALLOON 0x1002 /* transitional virtio balloon */ +#define VIRTIO_TRANS_ID_CONSOLE 0x1003 /* transitional virtio console */ +#define VIRTIO_TRANS_ID_SCSI 0x1004 /* transitional virtio SCSI */ +#define VIRTIO_TRANS_ID_RNG 0x1005 /* transitional virtio rng */ +#define VIRTIO_TRANS_ID_9P 0x1009 /* transitional virtio 9p console */ #endif /* _LINUX_VIRTIO_IDS_H */ diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 9390bfd9f1cd..71a418858a5e 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -3390,8 +3390,11 @@ static struct notifier_block cpuset_track_online_nodes_nb = { */ void __init cpuset_init_smp(void) { - cpumask_copy(top_cpuset.cpus_allowed, cpu_active_mask); - top_cpuset.mems_allowed = node_states[N_MEMORY]; + /* + * cpus_allowd/mems_allowed set to v2 values in the initial + * cpuset_bind() call will be reset to v1 values in another + * cpuset_bind() call when v1 cpuset is mounted. + */ top_cpuset.old_mems_allowed = top_cpuset.mems_allowed; cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask); diff --git a/kernel/fork.c b/kernel/fork.c index 9796897560ab..35a3beff140b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -792,6 +792,7 @@ void __mmdrop(struct mm_struct *mm) mmu_notifier_subscriptions_destroy(mm); check_mm(mm); put_user_ns(mm->user_ns); + mm_pasid_drop(mm); free_mm(mm); } EXPORT_SYMBOL_GPL(__mmdrop); @@ -1190,7 +1191,6 @@ static inline void __mmput(struct mm_struct *mm) } if (mm->binfmt) module_put(mm->binfmt->module); - mm_pasid_drop(mm); mmdrop(mm); } diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 99cbdf55a8bd..f09c60393e55 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -29,12 +29,14 @@ extern struct irqaction chained_action; * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed * IRQTF_AFFINITY - irq thread is requested to adjust affinity * IRQTF_FORCED_THREAD - irq action is force threaded + * IRQTF_READY - signals that irq thread is ready */ enum { IRQTF_RUNTHREAD, IRQTF_WARNED, IRQTF_AFFINITY, IRQTF_FORCED_THREAD, + IRQTF_READY, }; /* diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 939d21cd55c3..0099b87dd853 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -407,6 +407,7 @@ static struct irq_desc *alloc_desc(int irq, int node, unsigned int flags, lockdep_set_class(&desc->lock, &irq_desc_lock_class); mutex_init(&desc->request_mutex); init_rcu_head(&desc->rcu); + init_waitqueue_head(&desc->wait_for_threads); desc_set_defaults(irq, desc, node, affinity, owner); irqd_set(&desc->irq_data, flags); @@ -575,6 +576,7 @@ int __init early_irq_init(void) raw_spin_lock_init(&desc[i].lock); lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); mutex_init(&desc[i].request_mutex); + init_waitqueue_head(&desc[i].wait_for_threads); desc_set_defaults(i, &desc[i], node, NULL, NULL); } return arch_early_irq_init(); diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index c03f71d5ec10..e3e245a4fd70 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1249,6 +1249,31 @@ static void irq_wake_secondary(struct irq_desc *desc, struct irqaction *action) } /* + * Internal function to notify that a interrupt thread is ready. + */ +static void irq_thread_set_ready(struct irq_desc *desc, + struct irqaction *action) +{ + set_bit(IRQTF_READY, &action->thread_flags); + wake_up(&desc->wait_for_threads); +} + +/* + * Internal function to wake up a interrupt thread and wait until it is + * ready. + */ +static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc, + struct irqaction *action) +{ + if (!action || !action->thread) + return; + + wake_up_process(action->thread); + wait_event(desc->wait_for_threads, + test_bit(IRQTF_READY, &action->thread_flags)); +} + +/* * Interrupt handler thread */ static int irq_thread(void *data) @@ -1259,6 +1284,8 @@ static int irq_thread(void *data) irqreturn_t (*handler_fn)(struct irq_desc *desc, struct irqaction *action); + irq_thread_set_ready(desc, action); + sched_set_fifo(current); if (force_irqthreads() && test_bit(IRQTF_FORCED_THREAD, @@ -1683,8 +1710,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) } if (!shared) { - init_waitqueue_head(&desc->wait_for_threads); - /* Setup the type (level, edge polarity) if configured: */ if (new->flags & IRQF_TRIGGER_MASK) { ret = __irq_set_trigger(desc, @@ -1780,14 +1805,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) irq_setup_timings(desc, new); - /* - * Strictly no need to wake it up, but hung_task complains - * when no hard interrupt wakes the thread up. - */ - if (new->thread) - wake_up_process(new->thread); - if (new->secondary) - wake_up_process(new->secondary->thread); + wake_up_and_wait_for_irq_thread_ready(desc, new); + wake_up_and_wait_for_irq_thread_ready(desc, new->secondary); register_irq_proc(irq, desc); new->dir = NULL; diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index dcdcb85121e4..3b1398fbddaf 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -482,7 +482,7 @@ static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf) * of the following timestamps. Callers need to be aware of that and * deal with it. */ -u64 ktime_get_mono_fast_ns(void) +u64 notrace ktime_get_mono_fast_ns(void) { return __ktime_get_fast_ns(&tk_fast_mono); } @@ -494,7 +494,7 @@ EXPORT_SYMBOL_GPL(ktime_get_mono_fast_ns); * Contrary to ktime_get_mono_fast_ns() this is always correct because the * conversion factor is not affected by NTP/PTP correction. */ -u64 ktime_get_raw_fast_ns(void) +u64 notrace ktime_get_raw_fast_ns(void) { return __ktime_get_fast_ns(&tk_fast_raw); } diff --git a/lib/dim/net_dim.c b/lib/dim/net_dim.c index 06811d866775..53f6b9c6e936 100644 --- a/lib/dim/net_dim.c +++ b/lib/dim/net_dim.c @@ -12,41 +12,41 @@ * Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES */ #define NET_DIM_PARAMS_NUM_PROFILES 5 -#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256 -#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128 +#define NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE 256 +#define NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE 128 #define NET_DIM_DEF_PROFILE_CQE 1 #define NET_DIM_DEF_PROFILE_EQE 1 #define NET_DIM_RX_EQE_PROFILES { \ - {1, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {8, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {64, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \ + {.usec = 1, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 8, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 64, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 128, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 256, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,} \ } #define NET_DIM_RX_CQE_PROFILES { \ - {2, 256}, \ - {8, 128}, \ - {16, 64}, \ - {32, 64}, \ - {64, 64} \ + {.usec = 2, .pkts = 256,}, \ + {.usec = 8, .pkts = 128,}, \ + {.usec = 16, .pkts = 64,}, \ + {.usec = 32, .pkts = 64,}, \ + {.usec = 64, .pkts = 64,} \ } #define NET_DIM_TX_EQE_PROFILES { \ - {1, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {8, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {32, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {64, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}, \ - {128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE} \ + {.usec = 1, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 8, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 32, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 64, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,}, \ + {.usec = 128, .pkts = NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE,} \ } #define NET_DIM_TX_CQE_PROFILES { \ - {5, 128}, \ - {8, 64}, \ - {16, 32}, \ - {32, 32}, \ - {64, 32} \ + {.usec = 5, .pkts = 128,}, \ + {.usec = 8, .pkts = 64,}, \ + {.usec = 16, .pkts = 32,}, \ + {.usec = 32, .pkts = 32,}, \ + {.usec = 64, .pkts = 32,} \ } static const struct dim_cq_moder diff --git a/mm/readahead.c b/mm/readahead.c index 8e3775829513..4a60cdb64262 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -474,7 +474,8 @@ static inline int ra_alloc_folio(struct readahead_control *ractl, pgoff_t index, if (!folio) return -ENOMEM; - if (mark - index < (1UL << order)) + mark = round_up(mark, 1UL << order); + if (index == mark) folio_set_readahead(folio); err = filemap_add_folio(ractl->mapping, folio, index, gfp); if (err) @@ -555,8 +556,9 @@ static void ondemand_readahead(struct readahead_control *ractl, struct file_ra_state *ra = ractl->ra; unsigned long max_pages = ra->ra_pages; unsigned long add_pages; - unsigned long index = readahead_index(ractl); - pgoff_t prev_index; + pgoff_t index = readahead_index(ractl); + pgoff_t expected, prev_index; + unsigned int order = folio ? folio_order(folio) : 0; /* * If the request exceeds the readahead window, allow the read to @@ -575,8 +577,9 @@ static void ondemand_readahead(struct readahead_control *ractl, * It's the expected callback index, assume sequential access. * Ramp up sizes, and push forward the readahead window. */ - if ((index == (ra->start + ra->size - ra->async_size) || - index == (ra->start + ra->size))) { + expected = round_up(ra->start + ra->size - ra->async_size, + 1UL << order); + if (index == expected || index == (ra->start + ra->size)) { ra->start += ra->size; ra->size = get_next_ra_size(ra, max_pages); ra->async_size = ra->size; @@ -662,7 +665,7 @@ readit: } ractl->_index = ra->start; - page_cache_ra_order(ractl, ra, folio ? folio_order(folio) : 0); + page_cache_ra_order(ractl, ra, order); } void page_cache_sync_ra(struct readahead_control *ractl, diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 0899a729a23f..c120c7c6d25f 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -475,6 +475,17 @@ int batadv_frag_send_packet(struct sk_buff *skb, goto free_skb; } + /* GRO might have added fragments to the fragment list instead of + * frags[]. But this is not handled by skb_split and must be + * linearized to avoid incorrect length information after all + * batman-adv fragments were created and submitted to the + * hard-interface + */ + if (skb_has_frag_list(skb) && __skb_linearize(skb)) { + ret = -ENOMEM; + goto free_skb; + } + /* Create one header to be copied to all fragments */ frag_header.packet_type = BATADV_UNICAST_FRAG; frag_header.version = BATADV_COMPAT_VERSION; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index b4782a6c1025..45c2dd2e1590 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2555,10 +2555,10 @@ int hci_register_dev(struct hci_dev *hdev) */ switch (hdev->dev_type) { case HCI_PRIMARY: - id = ida_simple_get(&hci_index_ida, 0, 0, GFP_KERNEL); + id = ida_simple_get(&hci_index_ida, 0, HCI_MAX_ID, GFP_KERNEL); break; case HCI_AMP: - id = ida_simple_get(&hci_index_ida, 1, 0, GFP_KERNEL); + id = ida_simple_get(&hci_index_ida, 1, HCI_MAX_ID, GFP_KERNEL); break; default: return -EINVAL; @@ -2567,7 +2567,7 @@ int hci_register_dev(struct hci_dev *hdev) if (id < 0) return id; - sprintf(hdev->name, "hci%d", id); + snprintf(hdev->name, sizeof(hdev->name), "hci%d", id); hdev->id = id; BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 15f7b6f99a8f..bd16e158b366 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3889,7 +3889,7 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb, unsigned int delta_len = 0; struct sk_buff *tail = NULL; struct sk_buff *nskb, *tmp; - int err; + int len_diff, err; skb_push(skb, -skb_network_offset(skb) + offset); @@ -3929,9 +3929,11 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb, skb_push(nskb, -skb_network_offset(nskb) + offset); skb_release_head_state(nskb); + len_diff = skb_network_header_len(nskb) - skb_network_header_len(skb); __copy_skb_header(nskb, skb); skb_headers_offset_update(nskb, skb_headroom(nskb) - skb_headroom(skb)); + nskb->transport_header += len_diff; skb_copy_from_linear_data_offset(skb, -tnl_hlen, nskb->data - tnl_hlen, offset + tnl_hlen); diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 0ee7d4c0c955..a09ba642b5e7 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -854,7 +854,7 @@ static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa) memcpy(msg->neighbor, dn_hiord, ETH_ALEN); if (dn_db->router) { - struct dn_neigh *dn = (struct dn_neigh *)dn_db->router; + struct dn_neigh *dn = container_of(dn_db->router, struct dn_neigh, n); dn_dn2eth(msg->neighbor, dn->addr); } @@ -902,7 +902,7 @@ static void dn_send_router_hello(struct net_device *dev, struct dn_ifaddr *ifa) { int n; struct dn_dev *dn_db = rcu_dereference_raw(dev->dn_ptr); - struct dn_neigh *dn = (struct dn_neigh *)dn_db->router; + struct dn_neigh *dn = container_of(dn_db->router, struct dn_neigh, n); struct sk_buff *skb; size_t size; unsigned char *ptr; diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c index 94b306f6d551..fbd98ac853ea 100644 --- a/net/decnet/dn_neigh.c +++ b/net/decnet/dn_neigh.c @@ -426,7 +426,8 @@ int dn_neigh_router_hello(struct net *net, struct sock *sk, struct sk_buff *skb) if (!dn_db->router) { dn_db->router = neigh_clone(neigh); } else { - if (msg->priority > ((struct dn_neigh *)dn_db->router)->priority) + if (msg->priority > container_of(dn_db->router, + struct dn_neigh, n)->priority) neigh_release(xchg(&dn_db->router, neigh_clone(neigh))); } } diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 7e85f2a1ae25..d1d78a463a06 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1120,7 +1120,7 @@ source_ok: /* Ok then, we assume its directly connected and move on */ select_source: if (neigh) - gateway = ((struct dn_neigh *)neigh)->addr; + gateway = container_of(neigh, struct dn_neigh, n)->addr; if (gateway == 0) gateway = fld.daddr; if (fld.saddr == 0) { @@ -1429,7 +1429,7 @@ static int dn_route_input_slow(struct sk_buff *skb) /* Use the default router if there is one */ neigh = neigh_clone(dn_db->router); if (neigh) { - gateway = ((struct dn_neigh *)neigh)->addr; + gateway = container_of(neigh, struct dn_neigh, n)->addr; goto make_route; } diff --git a/net/dsa/port.c b/net/dsa/port.c index 48e5a309ca5c..ecf0395cbddd 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -503,6 +503,7 @@ out_rollback_unoffload: switchdev_bridge_port_unoffload(brport_dev, dp, &dsa_slave_switchdev_notifier, &dsa_slave_switchdev_blocking_notifier); + dsa_flush_workqueue(); out_rollback_unbridge: dsa_broadcast(DSA_NOTIFIER_BRIDGE_LEAVE, &info); out_rollback: diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 5f8cad2978b3..1a43ca73f94d 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -305,6 +305,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, struct net *net = sock_net(sk); if (sk->sk_family == AF_INET) { struct sockaddr_in *addr = (struct sockaddr_in *) uaddr; + u32 tb_id = RT_TABLE_LOCAL; int chk_addr_ret; if (addr_len < sizeof(*addr)) @@ -318,7 +319,8 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n", sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port)); - chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr); + tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id; + chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id); if (!inet_addr_valid_or_nonlocal(net, inet_sk(sk), addr->sin_addr.s_addr, @@ -355,6 +357,14 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, return -ENODEV; } } + + if (!dev && sk->sk_bound_dev_if) { + dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); + if (!dev) { + rcu_read_unlock(); + return -ENODEV; + } + } has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev, scoped); rcu_read_unlock(); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ffbe2e4f8c89..444d4a2a422d 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1754,6 +1754,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, #endif RT_CACHE_STAT_INC(in_slow_mc); + skb_dst_drop(skb); skb_dst_set(skb, &rth->dst); return 0; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index b857915881e0..07a96f7c5dc3 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3657,6 +3657,12 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, cbss->transmitted_bss->bssid); bss_conf->bssid_indicator = cbss->max_bssid_indicator; bss_conf->bssid_index = cbss->bssid_index; + } else { + bss_conf->nontransmitted = false; + memset(bss_conf->transmitter_bssid, 0, + sizeof(bss_conf->transmitter_bssid)); + bss_conf->bssid_indicator = 0; + bss_conf->bssid_index = 0; } /* diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 959a36fd658b..3c08ae04ddbc 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1405,8 +1405,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, goto dont_reorder; /* not part of a BA session */ - if (ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK && - ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL) + if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_NOACK) goto dont_reorder; /* new, potentially un-ordered, ampdu frame - process it */ diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 1b5a9c2e1c29..0cd91f813a3b 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1974,7 +1974,6 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, copied = len; } - skb_reset_transport_header(data_skb); err = skb_copy_datagram_msg(data_skb, 0, msg, copied); if (msg->msg_name) { diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 2f638f8b7b1e..73ee2771093d 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -487,11 +487,11 @@ struct rds_tcp_net { /* All module specific customizations to the RDS-TCP socket should be done in * rds_tcp_tune() and applied after socket creation. */ -void rds_tcp_tune(struct socket *sock) +bool rds_tcp_tune(struct socket *sock) { struct sock *sk = sock->sk; struct net *net = sock_net(sk); - struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid); + struct rds_tcp_net *rtn; tcp_sock_set_nodelay(sock->sk); lock_sock(sk); @@ -499,10 +499,15 @@ void rds_tcp_tune(struct socket *sock) * a process which created this net namespace terminated. */ if (!sk->sk_net_refcnt) { + if (!maybe_get_net(net)) { + release_sock(sk); + return false; + } sk->sk_net_refcnt = 1; - get_net_track(net, &sk->ns_tracker, GFP_KERNEL); + netns_tracker_alloc(net, &sk->ns_tracker, GFP_KERNEL); sock_inuse_add(net, 1); } + rtn = net_generic(net, rds_tcp_netid); if (rtn->sndbuf_size > 0) { sk->sk_sndbuf = rtn->sndbuf_size; sk->sk_userlocks |= SOCK_SNDBUF_LOCK; @@ -512,6 +517,7 @@ void rds_tcp_tune(struct socket *sock) sk->sk_userlocks |= SOCK_RCVBUF_LOCK; } release_sock(sk); + return true; } static void rds_tcp_accept_worker(struct work_struct *work) diff --git a/net/rds/tcp.h b/net/rds/tcp.h index dc8d745d6857..f8b5930d7b34 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -49,7 +49,7 @@ struct rds_tcp_statistics { }; /* tcp.c */ -void rds_tcp_tune(struct socket *sock); +bool rds_tcp_tune(struct socket *sock); void rds_tcp_set_callbacks(struct socket *sock, struct rds_conn_path *cp); void rds_tcp_reset_callbacks(struct socket *sock, struct rds_conn_path *cp); void rds_tcp_restore_callbacks(struct socket *sock, diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c index 5461d77fff4f..f0c477c5d1db 100644 --- a/net/rds/tcp_connect.c +++ b/net/rds/tcp_connect.c @@ -124,7 +124,10 @@ int rds_tcp_conn_path_connect(struct rds_conn_path *cp) if (ret < 0) goto out; - rds_tcp_tune(sock); + if (!rds_tcp_tune(sock)) { + ret = -EINVAL; + goto out; + } if (isv6) { sin6.sin6_family = AF_INET6; diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 09cadd556d1e..7edf2e69d3fe 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -133,7 +133,10 @@ int rds_tcp_accept_one(struct socket *sock) __module_get(new_sock->ops->owner); rds_tcp_keepalive(new_sock); - rds_tcp_tune(new_sock); + if (!rds_tcp_tune(new_sock)) { + ret = -EINVAL; + goto out; + } inet = inet_sk(new_sock->sk); diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index e01ef7f109f4..d1221daa0952 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -149,7 +149,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, struct nlattr *pattr; struct tcf_pedit *p; int ret = 0, err; - int ksize; + int i, ksize; u32 index; if (!nla) { @@ -228,6 +228,18 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, p->tcfp_nkeys = parm->nkeys; } memcpy(p->tcfp_keys, parm->keys, ksize); + p->tcfp_off_max_hint = 0; + for (i = 0; i < p->tcfp_nkeys; ++i) { + u32 cur = p->tcfp_keys[i].off; + + /* The AT option can read a single byte, we can bound the actual + * value with uchar max. + */ + cur += (0xff & p->tcfp_keys[i].offmask) >> p->tcfp_keys[i].shift; + + /* Each key touches 4 bytes starting from the computed offset */ + p->tcfp_off_max_hint = max(p->tcfp_off_max_hint, cur + 4); + } p->tcfp_flags = parm->flags; goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); @@ -308,13 +320,18 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a, struct tcf_result *res) { struct tcf_pedit *p = to_pedit(a); + u32 max_offset; int i; - if (skb_unclone(skb, GFP_ATOMIC)) - return p->tcf_action; - spin_lock(&p->tcf_lock); + max_offset = (skb_transport_header_was_set(skb) ? + skb_transport_offset(skb) : + skb_network_offset(skb)) + + p->tcfp_off_max_hint; + if (skb_ensure_writable(skb, min(skb->len, max_offset))) + goto unlock; + tcf_lastuse_update(&p->tcf_tm); if (p->tcfp_nkeys > 0) { @@ -403,6 +420,7 @@ bad: p->tcf_qstats.overlimits++; done: bstats_update(&p->tcf_bstats, skb); +unlock: spin_unlock(&p->tcf_lock); return p->tcf_action; } diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c index 51e8eb2933ff..338b9ef806e8 100644 --- a/net/smc/smc_rx.c +++ b/net/smc/smc_rx.c @@ -355,12 +355,12 @@ int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg, } break; } + if (!timeo) + return -EAGAIN; if (signal_pending(current)) { read_done = sock_intr_errno(timeo); break; } - if (!timeo) - return -EAGAIN; } if (!smc_rx_data_available(conn)) { diff --git a/net/sunrpc/auth_gss/gss_rpc_upcall.c b/net/sunrpc/auth_gss/gss_rpc_upcall.c index 61c276bddaf2..8ca1d809b78d 100644 --- a/net/sunrpc/auth_gss/gss_rpc_upcall.c +++ b/net/sunrpc/auth_gss/gss_rpc_upcall.c @@ -97,7 +97,7 @@ static int gssp_rpc_create(struct net *net, struct rpc_clnt **_clnt) * timeout, which would result in reconnections being * done without the correct namespace: */ - .flags = RPC_CLNT_CREATE_NOPING | + .flags = RPC_CLNT_CREATE_IGNORE_NULL_UNAVAIL | RPC_CLNT_CREATE_NO_IDLE_TIMEOUT }; struct rpc_clnt *clnt; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index af0174d7ce5a..22c28cf43eba 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -479,6 +479,9 @@ static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args, if (!(args->flags & RPC_CLNT_CREATE_NOPING)) { int err = rpc_ping(clnt); + if ((args->flags & RPC_CLNT_CREATE_IGNORE_NULL_UNAVAIL) && + err == -EOPNOTSUPP) + err = 0; if (err != 0) { rpc_shutdown_client(clnt); return ERR_PTR(err); @@ -1065,10 +1068,13 @@ rpc_task_get_next_xprt(struct rpc_clnt *clnt) static void rpc_task_set_transport(struct rpc_task *task, struct rpc_clnt *clnt) { - if (task->tk_xprt && - !(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) && - (task->tk_flags & RPC_TASK_MOVEABLE))) - return; + if (task->tk_xprt) { + if (!(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) && + (task->tk_flags & RPC_TASK_MOVEABLE))) + return; + xprt_release(task); + xprt_put(task->tk_xprt); + } if (task->tk_flags & RPC_TASK_NO_ROUND_ROBIN) task->tk_xprt = rpc_task_get_first_xprt(clnt); else diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 5c91c5457197..fcdd0fca408e 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1419,6 +1419,26 @@ static size_t xs_tcp_bc_maxpayload(struct rpc_xprt *xprt) #endif /* CONFIG_SUNRPC_BACKCHANNEL */ /** + * xs_local_state_change - callback to handle AF_LOCAL socket state changes + * @sk: socket whose state has changed + * + */ +static void xs_local_state_change(struct sock *sk) +{ + struct rpc_xprt *xprt; + struct sock_xprt *transport; + + if (!(xprt = xprt_from_sock(sk))) + return; + transport = container_of(xprt, struct sock_xprt, xprt); + if (sk->sk_shutdown & SHUTDOWN_MASK) { + clear_bit(XPRT_CONNECTED, &xprt->state); + /* Trigger the socket release */ + xs_run_error_worker(transport, XPRT_SOCK_WAKE_DISCONNECT); + } +} + +/** * xs_tcp_state_change - callback to handle TCP socket state changes * @sk: socket whose state has changed * @@ -1866,6 +1886,7 @@ static int xs_local_finish_connecting(struct rpc_xprt *xprt, sk->sk_user_data = xprt; sk->sk_data_ready = xs_data_ready; sk->sk_write_space = xs_udp_write_space; + sk->sk_state_change = xs_local_state_change; sk->sk_error_report = xs_error_report; xprt_clear_connected(xprt); @@ -1950,6 +1971,9 @@ static void xs_local_connect(struct rpc_xprt *xprt, struct rpc_task *task) struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); int ret; + if (transport->file) + goto force_disconnect; + if (RPC_IS_ASYNC(task)) { /* * We want the AF_LOCAL connect to be resolved in the @@ -1962,11 +1986,17 @@ static void xs_local_connect(struct rpc_xprt *xprt, struct rpc_task *task) */ task->tk_rpc_status = -ENOTCONN; rpc_exit(task, -ENOTCONN); - return; + goto out_wake; } ret = xs_local_setup_socket(transport); if (ret && !RPC_IS_SOFTCONN(task)) msleep_interruptible(15000); + return; +force_disconnect: + xprt_force_disconnect(xprt); +out_wake: + xprt_clear_connecting(xprt); + xprt_wake_pending_tasks(xprt, -ENOTCONN); } #if IS_ENABLED(CONFIG_SUNRPC_SWAP) @@ -2845,9 +2875,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args) } xprt_set_bound(xprt); xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL); - ret = ERR_PTR(xs_local_setup_socket(transport)); - if (ret) - goto out_err; break; default: ret = ERR_PTR(-EAFNOSUPPORT); diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index b12f81a2b44c..bca00521ebc1 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -1345,7 +1345,10 @@ static int tls_device_down(struct net_device *netdev) /* Device contexts for RX and TX will be freed in on sk_destruct * by tls_device_free_ctx. rx_conf and tx_conf stay in TLS_HW. + * Now release the ref taken above. */ + if (refcount_dec_and_test(&ctx->refcount)) + tls_device_free_ctx(ctx); } up_write(&device_offload_lock); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 945ed87d12e0..02a29052e41d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3173,6 +3173,15 @@ int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) { chandef->width = nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]); + if (chandef->chan->band == NL80211_BAND_S1GHZ) { + /* User input error for channel width doesn't match channel */ + if (chandef->width != ieee80211_s1g_channel_width(chandef->chan)) { + NL_SET_ERR_MSG_ATTR(extack, + attrs[NL80211_ATTR_CHANNEL_WIDTH], + "bad channel width"); + return -EINVAL; + } + } if (attrs[NL80211_ATTR_CENTER_FREQ1]) { chandef->center_freq1 = nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]); @@ -11658,18 +11667,23 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, struct cfg80211_bitrate_mask mask; struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; int err; if (!rdev->ops->set_bitrate_mask) return -EOPNOTSUPP; + wdev_lock(wdev); err = nl80211_parse_tx_bitrate_mask(info, info->attrs, NL80211_ATTR_TX_RATES, &mask, dev, true); if (err) - return err; + goto out; - return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); + err = rdev_set_bitrate_mask(rdev, dev, NULL, &mask); +out: + wdev_unlock(wdev); + return err; } static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 4a6d86432910..6d82bd9eaf8c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1829,7 +1829,7 @@ int cfg80211_get_ies_channel_number(const u8 *ie, size_t ielen, if (tmp && tmp->datalen >= sizeof(struct ieee80211_s1g_oper_ie)) { struct ieee80211_s1g_oper_ie *s1gop = (void *)tmp->data; - return s1gop->primary_ch; + return s1gop->oper_ch; } } else { tmp = cfg80211_find_elem(WLAN_EID_DS_PARAMS, ie, ielen); diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c index 626c0c34b0b6..3a53914277d3 100644 --- a/sound/firewire/fireworks/fireworks_hwdep.c +++ b/sound/firewire/fireworks/fireworks_hwdep.c @@ -34,6 +34,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained, type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE; if (copy_to_user(buf, &type, sizeof(type))) return -EFAULT; + count += sizeof(type); remained -= sizeof(type); buf += sizeof(type); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 4c0c593f3c0a..cf531c1efa13 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8769,6 +8769,8 @@ static const struct hda_fixup alc269_fixups[] = { [ALC287_FIXUP_CS35L41_I2C_2] = { .type = HDA_FIXUP_FUNC, .v.func = cs35l41_fixup_i2c_two, + .chained = true, + .chain_id = ALC269_FIXUP_THINKPAD_ACPI, }, [ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED] = { .type = HDA_FIXUP_FUNC, @@ -9023,12 +9025,12 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8896, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x8898, "HP EliteBook 845 G8 Notebook PC", ALC285_FIXUP_HP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x103c, 0x88d0, "HP Pavilion 15-eh1xxx (mainboard 88D0)", ALC287_FIXUP_HP_GPIO_LED), - SND_PCI_QUIRK(0x103c, 0x896e, "HP EliteBook x360 830 G9", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x103c, 0x8971, "HP EliteBook 830 G9", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x103c, 0x8972, "HP EliteBook 840 G9", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x103c, 0x8973, "HP EliteBook 860 G9", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x103c, 0x8974, "HP EliteBook 840 Aero G9", ALC245_FIXUP_CS35L41_SPI_2), - SND_PCI_QUIRK(0x103c, 0x8975, "HP EliteBook x360 840 Aero G9", ALC245_FIXUP_CS35L41_SPI_2), + SND_PCI_QUIRK(0x103c, 0x896e, "HP EliteBook x360 830 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8971, "HP EliteBook 830 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8972, "HP EliteBook 840 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8973, "HP EliteBook 860 G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8974, "HP EliteBook 840 Aero G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8975, "HP EliteBook x360 840 Aero G9", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8981, "HP Elite Dragonfly G3", ALC245_FIXUP_CS35L41_SPI_4), SND_PCI_QUIRK(0x103c, 0x898e, "HP EliteBook 835 G9", ALC287_FIXUP_CS35L41_I2C_2), SND_PCI_QUIRK(0x103c, 0x898f, "HP EliteBook 835 G9", ALC287_FIXUP_CS35L41_I2C_2), @@ -9245,6 +9247,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME), SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS), + SND_PCI_QUIRK(0x17aa, 0x3820, "Yoga Duet 7 13ITL6", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF), SND_PCI_QUIRK(0x17aa, 0x3834, "Lenovo IdeaPad Slim 9i 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), diff --git a/sound/soc/atmel/mchp-pdmc.c b/sound/soc/atmel/mchp-pdmc.c index 1a7802fbf23c..a3856c73e221 100644 --- a/sound/soc/atmel/mchp-pdmc.c +++ b/sound/soc/atmel/mchp-pdmc.c @@ -966,6 +966,7 @@ static int mchp_pdmc_process(struct snd_pcm_substream *substream, static struct snd_dmaengine_pcm_config mchp_pdmc_config = { .process = mchp_pdmc_process, + .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, }; static int mchp_pdmc_probe(struct platform_device *pdev) diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index 13009d08b09a..c7493549a9a5 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mixer_ctrl = (struct soc_mixer_control *) kcontrol->private_value; unsigned int reg = mixer_ctrl->reg; - __le16 val; + __le16 val_new, val_old; int ret; /* @@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, * Therefore we need to convert to little endian here to align with * HW registers. */ - val = cpu_to_le16(ucontrol->value.integer.value[0]); + val_new = cpu_to_le16(ucontrol->value.integer.value[0]); mutex_lock(&da7219->ctrl_lock); - ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val)); + ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old)); + if (ret == 0 && (val_old != val_new)) + ret = regmap_raw_write(da7219->regmap, reg, + &val_new, sizeof(val_new)); mutex_unlock(&da7219->ctrl_lock); - return ret; + if (ret < 0) + return ret; + + return val_old != val_new; } diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index b45ec35cd63c..62b41ca050a2 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -413,6 +413,9 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol, val = (val >> mc->shift) & mask; + if (sel < 0 || sel > mc->max) + return -EINVAL; + *select = sel; /* Setting a volume is only valid if it is already On */ @@ -427,7 +430,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol, mask << mc->shift, sel << mc->shift); - return 0; + return *select != val; } static const char *max98090_perf_pwr_text[] = diff --git a/sound/soc/codecs/rt9120.c b/sound/soc/codecs/rt9120.c index 7aa1772a915f..6e0d7cf0c8c9 100644 --- a/sound/soc/codecs/rt9120.c +++ b/sound/soc/codecs/rt9120.c @@ -341,7 +341,6 @@ static int rt9120_get_reg_size(unsigned int reg) { switch (reg) { case 0x00: - case 0x09: case 0x20 ... 0x27: return 2; case 0x30 ... 0x3D: diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index e4018ba3b19a..7878c7a58ff1 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -530,7 +530,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol, wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]); - return 0; + return 1; } #define WM8958_MBC_SWITCH(xname, xval) {\ @@ -656,7 +656,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol, wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]); - return 0; + return 1; } @@ -730,7 +730,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol, wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]); - return 0; + return 1; } #define WM8958_HPF_SWITCH(xname, xval) {\ @@ -824,7 +824,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol, wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]); - return 0; + return 1; } #define WM8958_ENH_EQ_SWITCH(xname, xval) {\ diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index f2157944247f..da0c27828ce6 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -322,7 +322,7 @@ void asoc_simple_shutdown(struct snd_pcm_substream *substream) if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(cpu_dai)) snd_soc_dai_set_sysclk(cpu_dai, - 0, 0, SND_SOC_CLOCK_IN); + 0, 0, SND_SOC_CLOCK_OUT); asoc_simple_clk_disable(dai); } diff --git a/sound/soc/meson/aiu-acodec-ctrl.c b/sound/soc/meson/aiu-acodec-ctrl.c index 22e181646bc3..3776b073a3db 100644 --- a/sound/soc/meson/aiu-acodec-ctrl.c +++ b/sound/soc/meson/aiu-acodec-ctrl.c @@ -58,7 +58,7 @@ static int aiu_acodec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol, snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); - return 0; + return 1; } static SOC_ENUM_SINGLE_DECL(aiu_acodec_ctrl_mux_enum, AIU_ACODEC_CTRL, diff --git a/sound/soc/meson/aiu-codec-ctrl.c b/sound/soc/meson/aiu-codec-ctrl.c index 59ee66fc2bcd..286ac4983d40 100644 --- a/sound/soc/meson/aiu-codec-ctrl.c +++ b/sound/soc/meson/aiu-codec-ctrl.c @@ -57,7 +57,7 @@ static int aiu_codec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol, snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); - return 0; + return 1; } static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL, diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c index cbbaa55d92a6..2b77010c2c5c 100644 --- a/sound/soc/meson/axg-card.c +++ b/sound/soc/meson/axg-card.c @@ -320,7 +320,6 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np, dai_link->cpus = cpu; dai_link->num_cpus = 1; - dai_link->nonatomic = true; ret = meson_card_parse_dai(card, np, &dai_link->cpus->of_node, &dai_link->cpus->dai_name); diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c index 0c31934a9630..e076ced30025 100644 --- a/sound/soc/meson/axg-tdm-interface.c +++ b/sound/soc/meson/axg-tdm-interface.c @@ -351,29 +351,13 @@ static int axg_tdm_iface_hw_free(struct snd_pcm_substream *substream, return 0; } -static int axg_tdm_iface_trigger(struct snd_pcm_substream *substream, - int cmd, +static int axg_tdm_iface_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct axg_tdm_stream *ts = - snd_soc_dai_get_dma_data(dai, substream); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - axg_tdm_stream_start(ts); - break; - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - case SNDRV_PCM_TRIGGER_STOP: - axg_tdm_stream_stop(ts); - break; - default: - return -EINVAL; - } + struct axg_tdm_stream *ts = snd_soc_dai_get_dma_data(dai, substream); - return 0; + /* Force all attached formatters to update */ + return axg_tdm_stream_reset(ts); } static int axg_tdm_iface_remove_dai(struct snd_soc_dai *dai) @@ -413,8 +397,8 @@ static const struct snd_soc_dai_ops axg_tdm_iface_ops = { .set_fmt = axg_tdm_iface_set_fmt, .startup = axg_tdm_iface_startup, .hw_params = axg_tdm_iface_hw_params, + .prepare = axg_tdm_iface_prepare, .hw_free = axg_tdm_iface_hw_free, - .trigger = axg_tdm_iface_trigger, }; /* TDM Backend DAIs */ diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c index 9b2b59536ced..6c99052feafd 100644 --- a/sound/soc/meson/g12a-tohdmitx.c +++ b/sound/soc/meson/g12a-tohdmitx.c @@ -67,7 +67,7 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol, snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); - return 0; + return 1; } static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0, diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index 2ab2ddc1294d..285441d6aeed 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -86,10 +86,10 @@ static int dmaengine_pcm_hw_params(struct snd_soc_component *component, memset(&slave_config, 0, sizeof(slave_config)); - if (pcm->config && pcm->config->prepare_slave_config) - prepare_slave_config = pcm->config->prepare_slave_config; - else + if (!pcm->config) prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; + else + prepare_slave_config = pcm->config->prepare_slave_config; if (prepare_slave_config) { int ret = prepare_slave_config(substream, params, &slave_config); diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index a0ca58ba1627..e693070f51fe 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -461,7 +461,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, ret = err; } } - return err; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); @@ -519,7 +519,15 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; unsigned int val, val_mask; - int err, ret; + int err, ret, tmp; + + tmp = ucontrol->value.integer.value[0]; + if (tmp < 0) + return -EINVAL; + if (mc->platform_max && tmp > mc->platform_max) + return -EINVAL; + if (tmp > mc->max - mc->min + 1) + return -EINVAL; if (invert) val = (max - ucontrol->value.integer.value[0]) & mask; @@ -534,6 +542,14 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, ret = err; if (snd_soc_volsw_is_stereo(mc)) { + tmp = ucontrol->value.integer.value[1]; + if (tmp < 0) + return -EINVAL; + if (mc->platform_max && tmp > mc->platform_max) + return -EINVAL; + if (tmp > mc->max - mc->min + 1) + return -EINVAL; + if (invert) val = (max - ucontrol->value.integer.value[1]) & mask; else diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c index 12f5cff22448..7fa2649e56e5 100644 --- a/sound/soc/sof/sof-pci-dev.c +++ b/sound/soc/sof/sof-pci-dev.c @@ -153,6 +153,11 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) dev_dbg(&pci->dev, "PCI DSP detected"); + if (!desc) { + dev_err(dev, "error: no matching PCI descriptor\n"); + return -ENODEV; + } + if (!desc->ops) { dev_err(dev, "error: no matching PCI descriptor ops\n"); return -ENODEV; diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 0fbdacfdcd6a..811e9b712bea 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -25,6 +25,7 @@ TEST_PROGS += bareudp.sh TEST_PROGS += amt.sh TEST_PROGS += unicast_extensions.sh TEST_PROGS += udpgro_fwd.sh +TEST_PROGS += udpgro_frglist.sh TEST_PROGS += veth.sh TEST_PROGS += ioam6.sh TEST_PROGS += gro.sh @@ -62,6 +63,8 @@ TEST_FILES := settings KSFT_KHDR_INSTALL := 1 include ../lib.mk +include bpf/Makefile + $(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma $(OUTPUT)/tcp_mmap: LDLIBS += -lpthread $(OUTPUT)/tcp_inq: LDLIBS += -lpthread diff --git a/tools/testing/selftests/net/bpf/Makefile b/tools/testing/selftests/net/bpf/Makefile new file mode 100644 index 000000000000..f91bf14bbee7 --- /dev/null +++ b/tools/testing/selftests/net/bpf/Makefile @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 + +CLANG ?= clang +CCINCLUDE += -I../../bpf +CCINCLUDE += -I../../../../../usr/include/ + +TEST_CUSTOM_PROGS = $(OUTPUT)/bpf/nat6to4.o +all: $(TEST_CUSTOM_PROGS) + +$(OUTPUT)/%.o: %.c + $(CLANG) -O2 -target bpf -c $< $(CCINCLUDE) -o $@ + +clean: + rm -f $(TEST_CUSTOM_PROGS) diff --git a/tools/testing/selftests/net/bpf/nat6to4.c b/tools/testing/selftests/net/bpf/nat6to4.c new file mode 100644 index 000000000000..ac54c36b25fc --- /dev/null +++ b/tools/testing/selftests/net/bpf/nat6to4.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * This code is taken from the Android Open Source Project and the author + * (Maciej Żenczykowski) has gave permission to relicense it under the + * GPLv2. Therefore this program is free software; + * You can redistribute it and/or modify it under the terms of the GNU + * General Public License version 2 as published by the Free Software + * Foundation + + * The original headers, including the original license headers, are + * included below for completeness. + * + * Copyright (C) 2019 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include <linux/bpf.h> +#include <linux/if.h> +#include <linux/if_ether.h> +#include <linux/if_packet.h> +#include <linux/in.h> +#include <linux/in6.h> +#include <linux/ip.h> +#include <linux/ipv6.h> +#include <linux/pkt_cls.h> +#include <linux/swab.h> +#include <stdbool.h> +#include <stdint.h> + + +#include <linux/udp.h> + +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> + +#define IP_DF 0x4000 // Flag: "Don't Fragment" + +SEC("schedcls/ingress6/nat_6") +int sched_cls_ingress6_nat_6_prog(struct __sk_buff *skb) +{ + const int l2_header_size = sizeof(struct ethhdr); + void *data = (void *)(long)skb->data; + const void *data_end = (void *)(long)skb->data_end; + const struct ethhdr * const eth = data; // used iff is_ethernet + const struct ipv6hdr * const ip6 = (void *)(eth + 1); + + // Require ethernet dst mac address to be our unicast address. + if (skb->pkt_type != PACKET_HOST) + return TC_ACT_OK; + + // Must be meta-ethernet IPv6 frame + if (skb->protocol != bpf_htons(ETH_P_IPV6)) + return TC_ACT_OK; + + // Must have (ethernet and) ipv6 header + if (data + l2_header_size + sizeof(*ip6) > data_end) + return TC_ACT_OK; + + // Ethertype - if present - must be IPv6 + if (eth->h_proto != bpf_htons(ETH_P_IPV6)) + return TC_ACT_OK; + + // IP version must be 6 + if (ip6->version != 6) + return TC_ACT_OK; + // Maximum IPv6 payload length that can be translated to IPv4 + if (bpf_ntohs(ip6->payload_len) > 0xFFFF - sizeof(struct iphdr)) + return TC_ACT_OK; + switch (ip6->nexthdr) { + case IPPROTO_TCP: // For TCP & UDP the checksum neutrality of the chosen IPv6 + case IPPROTO_UDP: // address means there is no need to update their checksums. + case IPPROTO_GRE: // We do not need to bother looking at GRE/ESP headers, + case IPPROTO_ESP: // since there is never a checksum to update. + break; + default: // do not know how to handle anything else + return TC_ACT_OK; + } + + struct ethhdr eth2; // used iff is_ethernet + + eth2 = *eth; // Copy over the ethernet header (src/dst mac) + eth2.h_proto = bpf_htons(ETH_P_IP); // But replace the ethertype + + struct iphdr ip = { + .version = 4, // u4 + .ihl = sizeof(struct iphdr) / sizeof(__u32), // u4 + .tos = (ip6->priority << 4) + (ip6->flow_lbl[0] >> 4), // u8 + .tot_len = bpf_htons(bpf_ntohs(ip6->payload_len) + sizeof(struct iphdr)), // u16 + .id = 0, // u16 + .frag_off = bpf_htons(IP_DF), // u16 + .ttl = ip6->hop_limit, // u8 + .protocol = ip6->nexthdr, // u8 + .check = 0, // u16 + .saddr = 0x0201a8c0, // u32 + .daddr = 0x0101a8c0, // u32 + }; + + // Calculate the IPv4 one's complement checksum of the IPv4 header. + __wsum sum4 = 0; + + for (int i = 0; i < sizeof(ip) / sizeof(__u16); ++i) + sum4 += ((__u16 *)&ip)[i]; + + // Note that sum4 is guaranteed to be non-zero by virtue of ip.version == 4 + sum4 = (sum4 & 0xFFFF) + (sum4 >> 16); // collapse u32 into range 1 .. 0x1FFFE + sum4 = (sum4 & 0xFFFF) + (sum4 >> 16); // collapse any potential carry into u16 + ip.check = (__u16)~sum4; // sum4 cannot be zero, so this is never 0xFFFF + + // Calculate the *negative* IPv6 16-bit one's complement checksum of the IPv6 header. + __wsum sum6 = 0; + // We'll end up with a non-zero sum due to ip6->version == 6 (which has '0' bits) + for (int i = 0; i < sizeof(*ip6) / sizeof(__u16); ++i) + sum6 += ~((__u16 *)ip6)[i]; // note the bitwise negation + + // Note that there is no L4 checksum update: we are relying on the checksum neutrality + // of the ipv6 address chosen by netd's ClatdController. + + // Packet mutations begin - point of no return, but if this first modification fails + // the packet is probably still pristine, so let clatd handle it. + if (bpf_skb_change_proto(skb, bpf_htons(ETH_P_IP), 0)) + return TC_ACT_OK; + bpf_csum_update(skb, sum6); + + data = (void *)(long)skb->data; + data_end = (void *)(long)skb->data_end; + if (data + l2_header_size + sizeof(struct iphdr) > data_end) + return TC_ACT_SHOT; + + struct ethhdr *new_eth = data; + + // Copy over the updated ethernet header + *new_eth = eth2; + + // Copy over the new ipv4 header. + *(struct iphdr *)(new_eth + 1) = ip; + return bpf_redirect(skb->ifindex, BPF_F_INGRESS); +} + +SEC("schedcls/egress4/snat4") +int sched_cls_egress4_snat4_prog(struct __sk_buff *skb) +{ + const int l2_header_size = sizeof(struct ethhdr); + void *data = (void *)(long)skb->data; + const void *data_end = (void *)(long)skb->data_end; + const struct ethhdr *const eth = data; // used iff is_ethernet + const struct iphdr *const ip4 = (void *)(eth + 1); + + // Must be meta-ethernet IPv4 frame + if (skb->protocol != bpf_htons(ETH_P_IP)) + return TC_ACT_OK; + + // Must have ipv4 header + if (data + l2_header_size + sizeof(struct ipv6hdr) > data_end) + return TC_ACT_OK; + + // Ethertype - if present - must be IPv4 + if (eth->h_proto != bpf_htons(ETH_P_IP)) + return TC_ACT_OK; + + // IP version must be 4 + if (ip4->version != 4) + return TC_ACT_OK; + + // We cannot handle IP options, just standard 20 byte == 5 dword minimal IPv4 header + if (ip4->ihl != 5) + return TC_ACT_OK; + + // Maximum IPv6 payload length that can be translated to IPv4 + if (bpf_htons(ip4->tot_len) > 0xFFFF - sizeof(struct ipv6hdr)) + return TC_ACT_OK; + + // Calculate the IPv4 one's complement checksum of the IPv4 header. + __wsum sum4 = 0; + + for (int i = 0; i < sizeof(*ip4) / sizeof(__u16); ++i) + sum4 += ((__u16 *)ip4)[i]; + + // Note that sum4 is guaranteed to be non-zero by virtue of ip4->version == 4 + sum4 = (sum4 & 0xFFFF) + (sum4 >> 16); // collapse u32 into range 1 .. 0x1FFFE + sum4 = (sum4 & 0xFFFF) + (sum4 >> 16); // collapse any potential carry into u16 + // for a correct checksum we should get *a* zero, but sum4 must be positive, ie 0xFFFF + if (sum4 != 0xFFFF) + return TC_ACT_OK; + + // Minimum IPv4 total length is the size of the header + if (bpf_ntohs(ip4->tot_len) < sizeof(*ip4)) + return TC_ACT_OK; + + // We are incapable of dealing with IPv4 fragments + if (ip4->frag_off & ~bpf_htons(IP_DF)) + return TC_ACT_OK; + + switch (ip4->protocol) { + case IPPROTO_TCP: // For TCP & UDP the checksum neutrality of the chosen IPv6 + case IPPROTO_GRE: // address means there is no need to update their checksums. + case IPPROTO_ESP: // We do not need to bother looking at GRE/ESP headers, + break; // since there is never a checksum to update. + + case IPPROTO_UDP: // See above comment, but must also have UDP header... + if (data + sizeof(*ip4) + sizeof(struct udphdr) > data_end) + return TC_ACT_OK; + const struct udphdr *uh = (const struct udphdr *)(ip4 + 1); + // If IPv4/UDP checksum is 0 then fallback to clatd so it can calculate the + // checksum. Otherwise the network or more likely the NAT64 gateway might + // drop the packet because in most cases IPv6/UDP packets with a zero checksum + // are invalid. See RFC 6935. TODO: calculate checksum via bpf_csum_diff() + if (!uh->check) + return TC_ACT_OK; + break; + + default: // do not know how to handle anything else + return TC_ACT_OK; + } + struct ethhdr eth2; // used iff is_ethernet + + eth2 = *eth; // Copy over the ethernet header (src/dst mac) + eth2.h_proto = bpf_htons(ETH_P_IPV6); // But replace the ethertype + + struct ipv6hdr ip6 = { + .version = 6, // __u8:4 + .priority = ip4->tos >> 4, // __u8:4 + .flow_lbl = {(ip4->tos & 0xF) << 4, 0, 0}, // __u8[3] + .payload_len = bpf_htons(bpf_ntohs(ip4->tot_len) - 20), // __be16 + .nexthdr = ip4->protocol, // __u8 + .hop_limit = ip4->ttl, // __u8 + }; + ip6.saddr.in6_u.u6_addr32[0] = bpf_htonl(0x20010db8); + ip6.saddr.in6_u.u6_addr32[1] = 0; + ip6.saddr.in6_u.u6_addr32[2] = 0; + ip6.saddr.in6_u.u6_addr32[3] = bpf_htonl(1); + ip6.daddr.in6_u.u6_addr32[0] = bpf_htonl(0x20010db8); + ip6.daddr.in6_u.u6_addr32[1] = 0; + ip6.daddr.in6_u.u6_addr32[2] = 0; + ip6.daddr.in6_u.u6_addr32[3] = bpf_htonl(2); + + // Calculate the IPv6 16-bit one's complement checksum of the IPv6 header. + __wsum sum6 = 0; + // We'll end up with a non-zero sum due to ip6.version == 6 + for (int i = 0; i < sizeof(ip6) / sizeof(__u16); ++i) + sum6 += ((__u16 *)&ip6)[i]; + + // Packet mutations begin - point of no return, but if this first modification fails + // the packet is probably still pristine, so let clatd handle it. + if (bpf_skb_change_proto(skb, bpf_htons(ETH_P_IPV6), 0)) + return TC_ACT_OK; + + // This takes care of updating the skb->csum field for a CHECKSUM_COMPLETE packet. + // In such a case, skb->csum is a 16-bit one's complement sum of the entire payload, + // thus we need to subtract out the ipv4 header's sum, and add in the ipv6 header's sum. + // However, we've already verified the ipv4 checksum is correct and thus 0. + // Thus we only need to add the ipv6 header's sum. + // + // bpf_csum_update() always succeeds if the skb is CHECKSUM_COMPLETE and returns an error + // (-ENOTSUPP) if it isn't. So we just ignore the return code (see above for more details). + bpf_csum_update(skb, sum6); + + // bpf_skb_change_proto() invalidates all pointers - reload them. + data = (void *)(long)skb->data; + data_end = (void *)(long)skb->data_end; + + // I cannot think of any valid way for this error condition to trigger, however I do + // believe the explicit check is required to keep the in kernel ebpf verifier happy. + if (data + l2_header_size + sizeof(ip6) > data_end) + return TC_ACT_SHOT; + + struct ethhdr *new_eth = data; + + // Copy over the updated ethernet header + *new_eth = eth2; + // Copy over the new ipv4 header. + *(struct ipv6hdr *)(new_eth + 1) = ip6; + return TC_ACT_OK; +} + +char _license[] SEC("license") = ("GPL"); diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index 47c4d4b4a44a..54701c8b0cd7 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -810,10 +810,16 @@ ipv4_ping() setup set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null ipv4_ping_novrf + setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_ping_novrf log_subsection "With VRF" setup "yes" ipv4_ping_vrf + setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_ping_vrf } ################################################################################ @@ -2348,10 +2354,16 @@ ipv6_ping() log_subsection "No VRF" setup ipv6_ping_novrf + setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv6_ping_novrf log_subsection "With VRF" setup "yes" ipv6_ping_vrf + setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv6_ping_vrf } ################################################################################ diff --git a/tools/testing/selftests/net/udpgro_frglist.sh b/tools/testing/selftests/net/udpgro_frglist.sh new file mode 100755 index 000000000000..807b74c8fd80 --- /dev/null +++ b/tools/testing/selftests/net/udpgro_frglist.sh @@ -0,0 +1,101 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Run a series of udpgro benchmarks + +readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" + +cleanup() { + local -r jobs="$(jobs -p)" + local -r ns="$(ip netns list|grep $PEER_NS)" + + [ -n "${jobs}" ] && kill -INT ${jobs} 2>/dev/null + [ -n "$ns" ] && ip netns del $ns 2>/dev/null +} +trap cleanup EXIT + +run_one() { + # use 'rx' as separator between sender args and receiver args + local -r all="$@" + local -r tx_args=${all%rx*} + local rx_args=${all#*rx} + + + + ip netns add "${PEER_NS}" + ip -netns "${PEER_NS}" link set lo up + ip link add type veth + ip link set dev veth0 up + ip addr add dev veth0 192.168.1.2/24 + ip addr add dev veth0 2001:db8::2/64 nodad + + ip link set dev veth1 netns "${PEER_NS}" + ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24 + ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad + ip -netns "${PEER_NS}" link set dev veth1 up + ip netns exec "${PEER_NS}" ethtool -K veth1 rx-gro-list on + + + ip -n "${PEER_NS}" link set veth1 xdp object ../bpf/xdp_dummy.o section xdp_dummy + tc -n "${PEER_NS}" qdisc add dev veth1 clsact + tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file ../bpf/nat6to4.o section schedcls/ingress6/nat_6 direct-action + tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file ../bpf/nat6to4.o section schedcls/egress4/snat4 direct-action + echo ${rx_args} + ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r & + + # Hack: let bg programs complete the startup + sleep 0.1 + ./udpgso_bench_tx ${tx_args} +} + +run_in_netns() { + local -r args=$@ + echo ${args} + ./in_netns.sh $0 __subprocess ${args} +} + +run_udp() { + local -r args=$@ + + echo "udp gso - over veth touching data" + run_in_netns ${args} -u -S 0 rx -4 -v + + echo "udp gso and gro - over veth touching data" + run_in_netns ${args} -S 0 rx -4 -G +} + +run_tcp() { + local -r args=$@ + + echo "tcp - over veth touching data" + run_in_netns ${args} -t rx -4 -t +} + +run_all() { + local -r core_args="-l 4" + local -r ipv4_args="${core_args} -4 -D 192.168.1.1" + local -r ipv6_args="${core_args} -6 -D 2001:db8::1" + + echo "ipv6" + run_tcp "${ipv6_args}" + run_udp "${ipv6_args}" +} + +if [ ! -f ../bpf/xdp_dummy.o ]; then + echo "Missing xdp_dummy helper. Build bpf selftest first" + exit -1 +fi + +if [ ! -f bpf/nat6to4.o ]; then + echo "Missing nat6to4 helper. Build bpfnat6to4.o selftest first" + exit -1 +fi + +if [[ $# -eq 0 ]]; then + run_all +elif [[ $1 == "__subprocess" ]]; then + shift + run_one $@ +else + run_in_netns $@ +fi |