diff options
Diffstat (limited to 'arch/arm64')
34 files changed, 213 insertions, 148 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 45272266dafb..e7101b19d590 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -10,7 +10,7 @@ # # Copyright (C) 1995-2001 by Russell King -LDFLAGS_vmlinux :=-p --no-undefined -X +LDFLAGS_vmlinux :=--no-undefined -X CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) GZFLAGS :=-9 @@ -60,15 +60,15 @@ ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian CHECKFLAGS += -D__AARCH64EB__ AS += -EB -LD += -EB -LDFLAGS += -maarch64linuxb +# We must use the linux target here, since distributions don't tend to package +# the ELF linker scripts with binutils, and this results in a build failure. +LDFLAGS += -EB -maarch64linuxb UTS_MACHINE := aarch64_be else KBUILD_CPPFLAGS += -mlittle-endian CHECKFLAGS += -D__AARCH64EL__ AS += -EL -LD += -EL -LDFLAGS += -maarch64linux +LDFLAGS += -EL -maarch64linux # See comment above UTS_MACHINE := aarch64 endif diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index e6b059378dc0..67dac595dc72 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -309,8 +309,7 @@ interrupts = <0 99 4>; resets = <&rst SPIM0_RESET>; reg-io-width = <4>; - num-chipselect = <4>; - bus-num = <0>; + num-cs = <4>; status = "disabled"; }; @@ -322,8 +321,7 @@ interrupts = <0 100 4>; resets = <&rst SPIM1_RESET>; reg-io-width = <4>; - num-chipselect = <4>; - bus-num = <0>; + num-cs = <4>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts index 4b3331fbfe39..dff9b15eb3c0 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts @@ -66,9 +66,22 @@ ðmac { status = "okay"; - phy-mode = "rgmii"; pinctrl-0 = <ð_rgmii_y_pins>; pinctrl-names = "default"; + phy-handle = <ð_phy0>; + phy-mode = "rgmii"; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy@0 { + /* Realtek RTL8211F (0x001cc916) */ + reg = <0>; + eee-broken-1000t; + }; + }; }; &uart_A { diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index fee87737a201..67d7115e4eff 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -132,7 +132,7 @@ sd_emmc_b: sd@5000 { compatible = "amlogic,meson-axg-mmc"; - reg = <0x0 0x5000 0x0 0x2000>; + reg = <0x0 0x5000 0x0 0x800>; interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>; status = "disabled"; clocks = <&clkc CLKID_SD_EMMC_B>, @@ -144,7 +144,7 @@ sd_emmc_c: mmc@7000 { compatible = "amlogic,meson-axg-mmc"; - reg = <0x0 0x7000 0x0 0x2000>; + reg = <0x0 0x7000 0x0 0x800>; interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>; status = "disabled"; clocks = <&clkc CLKID_SD_EMMC_C>, diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 3c31e21cbed7..b8dc4dbb391b 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -35,6 +35,12 @@ no-map; }; + /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */ + secmon_reserved_alt: secmon@5000000 { + reg = <0x0 0x05000000 0x0 0x300000>; + no-map; + }; + linux,cma { compatible = "shared-dma-pool"; reusable; @@ -457,21 +463,21 @@ sd_emmc_a: mmc@70000 { compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; - reg = <0x0 0x70000 0x0 0x2000>; + reg = <0x0 0x70000 0x0 0x800>; interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; status = "disabled"; }; sd_emmc_b: mmc@72000 { compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; - reg = <0x0 0x72000 0x0 0x2000>; + reg = <0x0 0x72000 0x0 0x800>; interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>; status = "disabled"; }; sd_emmc_c: mmc@74000 { compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; - reg = <0x0 0x74000 0x0 0x2000>; + reg = <0x0 0x74000 0x0 0x800>; interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi index eb327664a4d8..6aaafff674f9 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi @@ -6,7 +6,7 @@ &apb { mali: gpu@c0000 { - compatible = "amlogic,meson-gxbb-mali", "arm,mali-450"; + compatible = "amlogic,meson-gxl-mali", "arm,mali-450"; reg = <0x0 0xc0000 0x0 0x40000>; interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index 3e3eb31748a3..f63bceb88caa 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -234,9 +234,6 @@ bus-width = <4>; cap-sd-highspeed; - sd-uhs-sdr12; - sd-uhs-sdr25; - sd-uhs-sdr50; max-frequency = <100000000>; disable-wp; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi index 0cfd701809de..a1b31013ab6e 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi @@ -189,3 +189,10 @@ &usb0 { status = "okay"; }; + +&usb2_phy0 { + /* + * HDMI_5V is also used as supply for the USB VBUS. + */ + phy-supply = <&hdmi_5v>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 27538eea547b..c87a80e9bcc6 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -13,14 +13,6 @@ / { compatible = "amlogic,meson-gxl"; - reserved-memory { - /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */ - secmon_reserved_alt: secmon@5000000 { - reg = <0x0 0x05000000 0x0 0x300000>; - no-map; - }; - }; - soc { usb0: usb@c9000000 { status = "disabled"; diff --git a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi index 4a2a6af8e752..4057197048dc 100644 --- a/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi +++ b/arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi @@ -118,7 +118,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 281 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <0>; @@ -149,7 +149,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 305 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic 0 GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <4>; @@ -566,7 +566,7 @@ reg = <0x66080000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 394 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 394 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; @@ -594,7 +594,7 @@ reg = <0x660b0000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 395 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts b/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts index eb6f08cdbd79..77efa28c4dd5 100644 --- a/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts +++ b/arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts @@ -43,6 +43,10 @@ enet-phy-lane-swap; }; +&sdio0 { + mmc-ddr-1_8v; +}; + &uart2 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts b/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts index 5084b037320f..55ba495ef56e 100644 --- a/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts +++ b/arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts @@ -42,3 +42,7 @@ &gphy0 { enet-phy-lane-swap; }; + +&sdio0 { + mmc-ddr-1_8v; +}; diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi index 99aaff0b6d72..b203152ad67c 100644 --- a/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi +++ b/arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi @@ -409,7 +409,7 @@ reg = <0x000b0000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 177 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; @@ -453,7 +453,7 @@ reg = <0x000e0000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 178 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts index c6999624ed8a..68c5a6c819ae 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts @@ -585,6 +585,8 @@ vmmc-supply = <&wlan_en>; ti,non-removable; non-removable; + cap-power-off-card; + keep-power-in-suspend; #address-cells = <0x1>; #size-cells = <0x0>; status = "ok"; diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index edb4ee0b8896..7f12624f6c8e 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -322,6 +322,8 @@ dwmmc_2: dwmmc2@f723f000 { bus-width = <0x4>; non-removable; + cap-power-off-card; + keep-power-in-suspend; vmmc-supply = <®_vdd_3v3>; mmc-pwrseq = <&wl1835_pwrseq>; diff --git a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi index 7dabe25f6774..1c6ff8197a88 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi @@ -149,7 +149,7 @@ CP110_LABEL(icu): interrupt-controller@1e0000 { compatible = "marvell,cp110-icu"; - reg = <0x1e0000 0x10>; + reg = <0x1e0000 0x440>; #interrupt-cells = <3>; interrupt-controller; msi-parent = <&gicp>; diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi index 0f829db33efe..4d5ef01f43a3 100644 --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi @@ -75,7 +75,7 @@ serial@75b1000 { label = "LS-UART0"; - status = "okay"; + status = "disabled"; pinctrl-names = "default", "sleep"; pinctrl-0 = <&blsp2_uart2_4pins_default>; pinctrl-1 = <&blsp2_uart2_4pins_sleep>; diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 650f356f69ca..c2625d15a8c0 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -1191,14 +1191,14 @@ port@0 { reg = <0>; - etf_out: endpoint { + etf_in: endpoint { slave-mode; remote-endpoint = <&funnel0_out>; }; }; port@1 { reg = <0>; - etf_in: endpoint { + etf_out: endpoint { remote-endpoint = <&replicator_in>; }; }; diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts b/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts index 9b4dc41703e3..ae3b5adf32df 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts +++ b/arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts @@ -54,7 +54,7 @@ sound { compatible = "audio-graph-card"; label = "UniPhier LD11"; - widgets = "Headphone", "Headphone Jack"; + widgets = "Headphone", "Headphones"; dais = <&i2s_port2 &i2s_port3 &i2s_port4 diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts b/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts index fe6608ea3277..7919233c9ce2 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts @@ -54,7 +54,7 @@ sound { compatible = "audio-graph-card"; label = "UniPhier LD20"; - widgets = "Headphone", "Headphone Jack"; + widgets = "Headphone", "Headphones"; dais = <&i2s_port2 &i2s_port3 &i2s_port4 diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 3cfa8ca26738..f9a186f6af8a 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -47,6 +47,7 @@ CONFIG_ARCH_MVEBU=y CONFIG_ARCH_QCOM=y CONFIG_ARCH_ROCKCHIP=y CONFIG_ARCH_SEATTLE=y +CONFIG_ARCH_SYNQUACER=y CONFIG_ARCH_RENESAS=y CONFIG_ARCH_R8A7795=y CONFIG_ARCH_R8A7796=y @@ -58,7 +59,6 @@ CONFIG_ARCH_R8A77995=y CONFIG_ARCH_STRATIX10=y CONFIG_ARCH_TEGRA=y CONFIG_ARCH_SPRD=y -CONFIG_ARCH_SYNQUACER=y CONFIG_ARCH_THUNDER=y CONFIG_ARCH_THUNDER2=y CONFIG_ARCH_UNIPHIER=y @@ -67,25 +67,23 @@ CONFIG_ARCH_XGENE=y CONFIG_ARCH_ZX=y CONFIG_ARCH_ZYNQMP=y CONFIG_PCI=y -CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_PCI_IOV=y CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=y -CONFIG_PCI_LAYERSCAPE=y -CONFIG_PCI_HISI=y -CONFIG_PCIE_QCOM=y -CONFIG_PCIE_KIRIN=y -CONFIG_PCIE_ARMADA_8K=y -CONFIG_PCIE_HISI_STB=y CONFIG_PCI_AARDVARK=y CONFIG_PCI_TEGRA=y CONFIG_PCIE_RCAR=y -CONFIG_PCIE_ROCKCHIP=y -CONFIG_PCIE_ROCKCHIP_HOST=m CONFIG_PCI_HOST_GENERIC=y CONFIG_PCI_XGENE=y CONFIG_PCI_HOST_THUNDER_PEM=y CONFIG_PCI_HOST_THUNDER_ECAM=y +CONFIG_PCIE_ROCKCHIP_HOST=m +CONFIG_PCI_LAYERSCAPE=y +CONFIG_PCI_HISI=y +CONFIG_PCIE_QCOM=y +CONFIG_PCIE_ARMADA_8K=y +CONFIG_PCIE_KIRIN=y +CONFIG_PCIE_HISI_STB=y CONFIG_ARM64_VA_BITS_48=y CONFIG_SCHED_MC=y CONFIG_NUMA=y @@ -104,8 +102,6 @@ CONFIG_HIBERNATION=y CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y CONFIG_ARM_CPUIDLE=y CONFIG_CPU_FREQ=y -CONFIG_CPU_FREQ_GOV_ATTR_SET=y -CONFIG_CPU_FREQ_GOV_COMMON=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_FREQ_GOV_POWERSAVE=m CONFIG_CPU_FREQ_GOV_USERSPACE=y @@ -113,11 +109,11 @@ CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y CONFIG_CPUFREQ_DT=y +CONFIG_ACPI_CPPC_CPUFREQ=m CONFIG_ARM_ARMADA_37XX_CPUFREQ=y CONFIG_ARM_BIG_LITTLE_CPUFREQ=y CONFIG_ARM_SCPI_CPUFREQ=y CONFIG_ARM_TEGRA186_CPUFREQ=y -CONFIG_ACPI_CPPC_CPUFREQ=m CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -236,11 +232,6 @@ CONFIG_SMSC911X=y CONFIG_SNI_AVE=y CONFIG_SNI_NETSEC=y CONFIG_STMMAC_ETH=m -CONFIG_DWMAC_IPQ806X=m -CONFIG_DWMAC_MESON=m -CONFIG_DWMAC_ROCKCHIP=m -CONFIG_DWMAC_SUNXI=m -CONFIG_DWMAC_SUN8I=m CONFIG_MDIO_BUS_MUX_MMIOREG=y CONFIG_AT803X_PHY=m CONFIG_MARVELL_PHY=m @@ -269,8 +260,8 @@ CONFIG_WL18XX=m CONFIG_WLCORE_SDIO=m CONFIG_INPUT_EVDEV=y CONFIG_KEYBOARD_ADC=m -CONFIG_KEYBOARD_CROS_EC=y CONFIG_KEYBOARD_GPIO=y +CONFIG_KEYBOARD_CROS_EC=y CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ATMEL_MXT=m CONFIG_INPUT_MISC=y @@ -296,17 +287,13 @@ CONFIG_SERIAL_SAMSUNG=y CONFIG_SERIAL_SAMSUNG_CONSOLE=y CONFIG_SERIAL_TEGRA=y CONFIG_SERIAL_SH_SCI=y -CONFIG_SERIAL_SH_SCI_NR_UARTS=11 -CONFIG_SERIAL_SH_SCI_CONSOLE=y CONFIG_SERIAL_MSM=y CONFIG_SERIAL_MSM_CONSOLE=y CONFIG_SERIAL_XILINX_PS_UART=y CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y CONFIG_SERIAL_MVEBU_UART=y CONFIG_SERIAL_DEV_BUS=y -CONFIG_SERIAL_DEV_CTRL_TTYPORT=y CONFIG_VIRTIO_CONSOLE=y -CONFIG_I2C_HID=m CONFIG_I2C_CHARDEV=y CONFIG_I2C_MUX=y CONFIG_I2C_MUX_PCA954x=y @@ -325,26 +312,26 @@ CONFIG_I2C_RCAR=y CONFIG_I2C_CROS_EC_TUNNEL=y CONFIG_SPI=y CONFIG_SPI_ARMADA_3700=y -CONFIG_SPI_MESON_SPICC=m -CONFIG_SPI_MESON_SPIFC=m CONFIG_SPI_BCM2835=m CONFIG_SPI_BCM2835AUX=m +CONFIG_SPI_MESON_SPICC=m +CONFIG_SPI_MESON_SPIFC=m CONFIG_SPI_ORION=y CONFIG_SPI_PL022=y -CONFIG_SPI_QUP=y CONFIG_SPI_ROCKCHIP=y +CONFIG_SPI_QUP=y CONFIG_SPI_S3C64XX=y CONFIG_SPI_SPIDEV=m CONFIG_SPMI=y -CONFIG_PINCTRL_IPQ8074=y CONFIG_PINCTRL_SINGLE=y CONFIG_PINCTRL_MAX77620=y +CONFIG_PINCTRL_IPQ8074=y CONFIG_PINCTRL_MSM8916=y CONFIG_PINCTRL_MSM8994=y CONFIG_PINCTRL_MSM8996=y -CONFIG_PINCTRL_MT7622=y CONFIG_PINCTRL_QDF2XXX=y CONFIG_PINCTRL_QCOM_SPMI_PMIC=y +CONFIG_PINCTRL_MT7622=y CONFIG_GPIO_DWAPB=y CONFIG_GPIO_MB86S7X=y CONFIG_GPIO_PL061=y @@ -368,13 +355,13 @@ CONFIG_SENSORS_INA2XX=m CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y +CONFIG_ROCKCHIP_THERMAL=m +CONFIG_RCAR_GEN3_THERMAL=y CONFIG_ARMADA_THERMAL=y CONFIG_BRCMSTB_THERMAL=m CONFIG_EXYNOS_THERMAL=y -CONFIG_RCAR_GEN3_THERMAL=y -CONFIG_QCOM_TSENS=y -CONFIG_ROCKCHIP_THERMAL=m CONFIG_TEGRA_BPMP_THERMAL=m +CONFIG_QCOM_TSENS=y CONFIG_UNIPHIER_THERMAL=y CONFIG_WATCHDOG=y CONFIG_S3C2410_WATCHDOG=y @@ -395,9 +382,9 @@ CONFIG_MFD_MAX77620=y CONFIG_MFD_SPMI_PMIC=y CONFIG_MFD_RK808=y CONFIG_MFD_SEC_CORE=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_AXP20X=y CONFIG_REGULATOR_FAN53555=y -CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_HI6421V530=y CONFIG_REGULATOR_HI655X=y @@ -407,16 +394,15 @@ CONFIG_REGULATOR_QCOM_SMD_RPM=y CONFIG_REGULATOR_QCOM_SPMI=y CONFIG_REGULATOR_RK808=y CONFIG_REGULATOR_S2MPS11=y +CONFIG_RC_CORE=m +CONFIG_RC_DECODERS=y +CONFIG_RC_DEVICES=y +CONFIG_IR_MESON=m CONFIG_MEDIA_SUPPORT=m CONFIG_MEDIA_CAMERA_SUPPORT=y CONFIG_MEDIA_ANALOG_TV_SUPPORT=y CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y CONFIG_MEDIA_CONTROLLER=y -CONFIG_MEDIA_RC_SUPPORT=y -CONFIG_RC_CORE=m -CONFIG_RC_DEVICES=y -CONFIG_RC_DECODERS=y -CONFIG_IR_MESON=m CONFIG_VIDEO_V4L2_SUBDEV_API=y # CONFIG_DVB_NET is not set CONFIG_V4L_MEM2MEM_DRIVERS=y @@ -441,8 +427,7 @@ CONFIG_ROCKCHIP_DW_HDMI=y CONFIG_ROCKCHIP_DW_MIPI_DSI=y CONFIG_ROCKCHIP_INNO_HDMI=y CONFIG_DRM_RCAR_DU=m -CONFIG_DRM_RCAR_LVDS=y -CONFIG_DRM_RCAR_VSP=y +CONFIG_DRM_RCAR_LVDS=m CONFIG_DRM_TEGRA=m CONFIG_DRM_PANEL_SIMPLE=m CONFIG_DRM_I2C_ADV7511=m @@ -455,7 +440,6 @@ CONFIG_FB_ARMCLCD=y CONFIG_BACKLIGHT_GENERIC=m CONFIG_BACKLIGHT_PWM=m CONFIG_BACKLIGHT_LP855X=m -CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set @@ -468,6 +452,7 @@ CONFIG_SND_SOC_RCAR=m CONFIG_SND_SOC_AK4613=m CONFIG_SND_SIMPLE_CARD=m CONFIG_SND_AUDIO_GRAPH_CARD=m +CONFIG_I2C_HID=m CONFIG_USB=y CONFIG_USB_OTG=y CONFIG_USB_XHCI_HCD=y @@ -501,12 +486,12 @@ CONFIG_MMC_BLOCK_MINORS=32 CONFIG_MMC_ARMMMCI=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_ACPI=y -CONFIG_MMC_SDHCI_F_SDH30=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_OF_ARASAN=y CONFIG_MMC_SDHCI_OF_ESDHC=y CONFIG_MMC_SDHCI_CADENCE=y CONFIG_MMC_SDHCI_TEGRA=y +CONFIG_MMC_SDHCI_F_SDH30=y CONFIG_MMC_MESON_GX=y CONFIG_MMC_SDHCI_MSM=y CONFIG_MMC_SPI=y @@ -524,11 +509,11 @@ CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y CONFIG_LEDS_PWM=y CONFIG_LEDS_SYSCON=y +CONFIG_LEDS_TRIGGER_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_LEDS_TRIGGER_CPU=y CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_LEDS_TRIGGER_PANIC=y -CONFIG_LEDS_TRIGGER_DISK=y CONFIG_EDAC=y CONFIG_EDAC_GHES=y CONFIG_RTC_CLASS=y @@ -537,13 +522,13 @@ CONFIG_RTC_DRV_RK808=m CONFIG_RTC_DRV_S5M=y CONFIG_RTC_DRV_DS3232=y CONFIG_RTC_DRV_EFI=y +CONFIG_RTC_DRV_CROS_EC=y CONFIG_RTC_DRV_S3C=y CONFIG_RTC_DRV_PL031=y CONFIG_RTC_DRV_SUN6I=y CONFIG_RTC_DRV_ARMADA38X=y CONFIG_RTC_DRV_TEGRA=y CONFIG_RTC_DRV_XGENE=y -CONFIG_RTC_DRV_CROS_EC=y CONFIG_DMADEVICES=y CONFIG_DMA_BCM2835=m CONFIG_K3_DMA=y @@ -579,7 +564,6 @@ CONFIG_HWSPINLOCK_QCOM=y CONFIG_ARM_MHU=y CONFIG_PLATFORM_MHU=y CONFIG_BCM2835_MBOX=y -CONFIG_HI6220_MBOX=y CONFIG_QCOM_APCS_IPC=y CONFIG_ROCKCHIP_IOMMU=y CONFIG_TEGRA_IOMMU_SMMU=y @@ -602,7 +586,6 @@ CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y CONFIG_EXTCON_USB_GPIO=y CONFIG_EXTCON_USBC_CROS_EC=y CONFIG_MEMORY=y -CONFIG_TEGRA_MC=y CONFIG_IIO=y CONFIG_EXYNOS_ADC=y CONFIG_ROCKCHIP_SARADC=m @@ -618,27 +601,27 @@ CONFIG_PWM_RCAR=m CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_SAMSUNG=y CONFIG_PWM_TEGRA=m +CONFIG_PHY_XGENE=y +CONFIG_PHY_SUN4I_USB=y +CONFIG_PHY_HI6220_USB=y CONFIG_PHY_HISTB_COMBPHY=y CONFIG_PHY_HISI_INNO_USB2=y -CONFIG_PHY_RCAR_GEN3_USB2=y -CONFIG_PHY_RCAR_GEN3_USB3=m -CONFIG_PHY_HI6220_USB=y -CONFIG_PHY_QCOM_USB_HS=y -CONFIG_PHY_SUN4I_USB=y CONFIG_PHY_MVEBU_CP110_COMPHY=y CONFIG_PHY_QCOM_QMP=m -CONFIG_PHY_ROCKCHIP_INNO_USB2=y +CONFIG_PHY_QCOM_USB_HS=y +CONFIG_PHY_RCAR_GEN3_USB2=y +CONFIG_PHY_RCAR_GEN3_USB3=m CONFIG_PHY_ROCKCHIP_EMMC=y +CONFIG_PHY_ROCKCHIP_INNO_USB2=y CONFIG_PHY_ROCKCHIP_PCIE=m CONFIG_PHY_ROCKCHIP_TYPEC=y -CONFIG_PHY_XGENE=y CONFIG_PHY_TEGRA_XUSB=y CONFIG_QCOM_L2_PMU=y CONFIG_QCOM_L3_PMU=y -CONFIG_MESON_EFUSE=m CONFIG_QCOM_QFPROM=y CONFIG_ROCKCHIP_EFUSE=y CONFIG_UNIPHIER_EFUSE=y +CONFIG_MESON_EFUSE=m CONFIG_TEE=y CONFIG_OPTEE=y CONFIG_ARM_SCPI_PROTOCOL=y @@ -647,7 +630,6 @@ CONFIG_EFI_CAPSULE_LOADER=y CONFIG_ACPI=y CONFIG_ACPI_APEI=y CONFIG_ACPI_APEI_GHES=y -CONFIG_ACPI_APEI_PCIEAER=y CONFIG_ACPI_APEI_MEMORY_FAILURE=y CONFIG_ACPI_APEI_EINJ=y CONFIG_EXT2_FS=y @@ -682,7 +664,6 @@ CONFIG_DEBUG_INFO=y CONFIG_DEBUG_FS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y -CONFIG_LOCKUP_DETECTOR=y # CONFIG_SCHED_DEBUG is not set # CONFIG_DEBUG_PREEMPT is not set # CONFIG_FTRACE is not set @@ -691,20 +672,15 @@ CONFIG_SECURITY=y CONFIG_CRYPTO_ECHAINIV=y CONFIG_CRYPTO_ANSI_CPRNG=y CONFIG_ARM64_CRYPTO=y -CONFIG_CRYPTO_SHA256_ARM64=m -CONFIG_CRYPTO_SHA512_ARM64=m CONFIG_CRYPTO_SHA1_ARM64_CE=y CONFIG_CRYPTO_SHA2_ARM64_CE=y +CONFIG_CRYPTO_SHA512_ARM64_CE=m +CONFIG_CRYPTO_SHA3_ARM64=m +CONFIG_CRYPTO_SM3_ARM64_CE=m CONFIG_CRYPTO_GHASH_ARM64_CE=y CONFIG_CRYPTO_CRCT10DIF_ARM64_CE=m CONFIG_CRYPTO_CRC32_ARM64_CE=m -CONFIG_CRYPTO_AES_ARM64=m -CONFIG_CRYPTO_AES_ARM64_CE=m CONFIG_CRYPTO_AES_ARM64_CE_CCM=y CONFIG_CRYPTO_AES_ARM64_CE_BLK=y -CONFIG_CRYPTO_AES_ARM64_NEON_BLK=m CONFIG_CRYPTO_CHACHA20_NEON=m CONFIG_CRYPTO_AES_ARM64_BS=m -CONFIG_CRYPTO_SHA512_ARM64_CE=m -CONFIG_CRYPTO_SHA3_ARM64=m -CONFIG_CRYPTO_SM3_ARM64_CE=m diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 253188fb8cb0..e3e50950a863 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -223,8 +223,8 @@ static int ctr_encrypt(struct skcipher_request *req) kernel_neon_begin(); aes_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr, (u8 *)ctx->key_enc, rounds, blocks, walk.iv); - err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE); kernel_neon_end(); + err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE); } if (walk.nbytes) { u8 __aligned(8) tail[AES_BLOCK_SIZE]; diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h index a91933b1e2e6..4b650ec1d7dd 100644 --- a/arch/arm64/include/asm/alternative.h +++ b/arch/arm64/include/asm/alternative.h @@ -28,7 +28,12 @@ typedef void (*alternative_cb_t)(struct alt_instr *alt, __le32 *origptr, __le32 *updptr, int nr_inst); void __init apply_alternatives_all(void); -void apply_alternatives(void *start, size_t length); + +#ifdef CONFIG_MODULES +void apply_alternatives_module(void *start, size_t length); +#else +static inline void apply_alternatives_module(void *start, size_t length) { } +#endif #define ALTINSTR_ENTRY(feature,cb) \ " .word 661b - .\n" /* label */ \ diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index fda9a8ca48be..fe8777b12f86 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -306,6 +306,7 @@ struct kvm_vcpu_arch { #define KVM_ARM64_FP_ENABLED (1 << 1) /* guest FP regs loaded */ #define KVM_ARM64_FP_HOST (1 << 2) /* host FP regs loaded */ #define KVM_ARM64_HOST_SVE_IN_USE (1 << 3) /* backup for host TIF_SVE */ +#define KVM_ARM64_HOST_SVE_ENABLED (1 << 4) /* SVE enabled for EL0 */ #define vcpu_gp_regs(v) (&(v)->arch.ctxt.gp_regs) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 9f82d6b53851..1bdeca8918a6 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -224,10 +224,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte) * Only if the new pte is valid and kernel, otherwise TLB maintenance * or update_mmu_cache() have the necessary barriers. */ - if (pte_valid_not_user(pte)) { + if (pte_valid_not_user(pte)) dsb(ishst); - isb(); - } } extern void __sync_icache_dcache(pte_t pteval); @@ -434,7 +432,6 @@ static inline void set_pmd(pmd_t *pmdp, pmd_t pmd) { WRITE_ONCE(*pmdp, pmd); dsb(ishst); - isb(); } static inline void pmd_clear(pmd_t *pmdp) @@ -485,7 +482,6 @@ static inline void set_pud(pud_t *pudp, pud_t pud) { WRITE_ONCE(*pudp, pud); dsb(ishst); - isb(); } static inline void pud_clear(pud_t *pudp) diff --git a/arch/arm64/include/asm/simd.h b/arch/arm64/include/asm/simd.h index fa8b3fe932e6..6495cc51246f 100644 --- a/arch/arm64/include/asm/simd.h +++ b/arch/arm64/include/asm/simd.h @@ -29,20 +29,15 @@ DECLARE_PER_CPU(bool, kernel_neon_busy); static __must_check inline bool may_use_simd(void) { /* - * The raw_cpu_read() is racy if called with preemption enabled. - * This is not a bug: kernel_neon_busy is only set when - * preemption is disabled, so we cannot migrate to another CPU - * while it is set, nor can we migrate to a CPU where it is set. - * So, if we find it clear on some CPU then we're guaranteed to - * find it clear on any CPU we could migrate to. - * - * If we are in between kernel_neon_begin()...kernel_neon_end(), - * the flag will be set, but preemption is also disabled, so we - * can't migrate to another CPU and spuriously see it become - * false. + * kernel_neon_busy is only set while preemption is disabled, + * and is clear whenever preemption is enabled. Since + * this_cpu_read() is atomic w.r.t. preemption, kernel_neon_busy + * cannot change under our feet -- if it's set we cannot be + * migrated, and if it's clear we cannot be migrated to a CPU + * where it is set. */ return !in_irq() && !irqs_disabled() && !in_nmi() && - !raw_cpu_read(kernel_neon_busy); + !this_cpu_read(kernel_neon_busy); } #else /* ! CONFIG_KERNEL_MODE_NEON */ diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 6171178075dc..a8f84812c6e8 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -728,6 +728,17 @@ asm( asm volatile("msr_s " __stringify(r) ", %x0" : : "rZ" (__val)); \ } while (0) +/* + * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the + * set mask are set. Other bits are left as-is. + */ +#define sysreg_clear_set(sysreg, clear, set) do { \ + u64 __scs_val = read_sysreg(sysreg); \ + u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \ + if (__scs_new != __scs_val) \ + write_sysreg(__scs_new, sysreg); \ +} while (0) + static inline void config_sctlr_el1(u32 clear, u32 set) { u32 val; diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c index 5c4bce4ac381..36fb069fd049 100644 --- a/arch/arm64/kernel/alternative.c +++ b/arch/arm64/kernel/alternative.c @@ -122,7 +122,30 @@ static void patch_alternative(struct alt_instr *alt, } } -static void __apply_alternatives(void *alt_region, bool use_linear_alias) +/* + * We provide our own, private D-cache cleaning function so that we don't + * accidentally call into the cache.S code, which is patched by us at + * runtime. + */ +static void clean_dcache_range_nopatch(u64 start, u64 end) +{ + u64 cur, d_size, ctr_el0; + + ctr_el0 = read_sanitised_ftr_reg(SYS_CTR_EL0); + d_size = 4 << cpuid_feature_extract_unsigned_field(ctr_el0, + CTR_DMINLINE_SHIFT); + cur = start & ~(d_size - 1); + do { + /* + * We must clean+invalidate to the PoC in order to avoid + * Cortex-A53 errata 826319, 827319, 824069 and 819472 + * (this corresponds to ARM64_WORKAROUND_CLEAN_CACHE) + */ + asm volatile("dc civac, %0" : : "r" (cur) : "memory"); + } while (cur += d_size, cur < end); +} + +static void __apply_alternatives(void *alt_region, bool is_module) { struct alt_instr *alt; struct alt_region *region = alt_region; @@ -145,7 +168,7 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias) pr_info_once("patching kernel code\n"); origptr = ALT_ORIG_PTR(alt); - updptr = use_linear_alias ? lm_alias(origptr) : origptr; + updptr = is_module ? origptr : lm_alias(origptr); nr_inst = alt->orig_len / AARCH64_INSN_SIZE; if (alt->cpufeature < ARM64_CB_PATCH) @@ -155,8 +178,20 @@ static void __apply_alternatives(void *alt_region, bool use_linear_alias) alt_cb(alt, origptr, updptr, nr_inst); - flush_icache_range((uintptr_t)origptr, - (uintptr_t)(origptr + nr_inst)); + if (!is_module) { + clean_dcache_range_nopatch((u64)origptr, + (u64)(origptr + nr_inst)); + } + } + + /* + * The core module code takes care of cache maintenance in + * flush_module_icache(). + */ + if (!is_module) { + dsb(ish); + __flush_icache_all(); + isb(); } } @@ -178,7 +213,7 @@ static int __apply_alternatives_multi_stop(void *unused) isb(); } else { BUG_ON(alternatives_applied); - __apply_alternatives(®ion, true); + __apply_alternatives(®ion, false); /* Barriers provided by the cache flushing */ WRITE_ONCE(alternatives_applied, 1); } @@ -192,12 +227,14 @@ void __init apply_alternatives_all(void) stop_machine(__apply_alternatives_multi_stop, NULL, cpu_online_mask); } -void apply_alternatives(void *start, size_t length) +#ifdef CONFIG_MODULES +void apply_alternatives_module(void *start, size_t length) { struct alt_region region = { .begin = start, .end = start + length, }; - __apply_alternatives(®ion, false); + __apply_alternatives(®ion, true); } +#endif diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index d2856b129097..f24892a40d2c 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -937,7 +937,7 @@ static int __init parse_kpti(char *str) __kpti_forced = enabled ? 1 : -1; return 0; } -__setup("kpti=", parse_kpti); +early_param("kpti", parse_kpti); #endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */ #ifdef CONFIG_ARM64_HW_AFDBM diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index 155fd91e78f4..f0f27aeefb73 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -448,9 +448,8 @@ int module_finalize(const Elf_Ehdr *hdr, const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { - if (strcmp(".altinstructions", secstrs + s->sh_name) == 0) { - apply_alternatives((void *)s->sh_addr, s->sh_size); - } + if (strcmp(".altinstructions", secstrs + s->sh_name) == 0) + apply_alternatives_module((void *)s->sh_addr, s->sh_size); #ifdef CONFIG_ARM64_MODULE_PLTS if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) && !strcmp(".text.ftrace_trampoline", secstrs + s->sh_name)) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index f3e2e3aec0b0..2faa9863d2e5 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -179,7 +179,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) * This is the secondary CPU boot entry. We're using this CPUs * idle thread stack, but a set of temporary page tables. */ -asmlinkage void secondary_start_kernel(void) +asmlinkage notrace void secondary_start_kernel(void) { u64 mpidr = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; struct mm_struct *mm = &init_mm; diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c index dc6ecfa5a2d2..aac7808ce216 100644 --- a/arch/arm64/kvm/fpsimd.c +++ b/arch/arm64/kvm/fpsimd.c @@ -5,13 +5,14 @@ * Copyright 2018 Arm Limited * Author: Dave Martin <Dave.Martin@arm.com> */ -#include <linux/bottom_half.h> +#include <linux/irqflags.h> #include <linux/sched.h> #include <linux/thread_info.h> #include <linux/kvm_host.h> #include <asm/kvm_asm.h> #include <asm/kvm_host.h> #include <asm/kvm_mmu.h> +#include <asm/sysreg.h> /* * Called on entry to KVM_RUN unless this vcpu previously ran at least @@ -61,10 +62,16 @@ void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu) { BUG_ON(!current->mm); - vcpu->arch.flags &= ~(KVM_ARM64_FP_ENABLED | KVM_ARM64_HOST_SVE_IN_USE); + vcpu->arch.flags &= ~(KVM_ARM64_FP_ENABLED | + KVM_ARM64_HOST_SVE_IN_USE | + KVM_ARM64_HOST_SVE_ENABLED); vcpu->arch.flags |= KVM_ARM64_FP_HOST; + if (test_thread_flag(TIF_SVE)) vcpu->arch.flags |= KVM_ARM64_HOST_SVE_IN_USE; + + if (read_sysreg(cpacr_el1) & CPACR_EL1_ZEN_EL0EN) + vcpu->arch.flags |= KVM_ARM64_HOST_SVE_ENABLED; } /* @@ -92,19 +99,30 @@ void kvm_arch_vcpu_ctxsync_fp(struct kvm_vcpu *vcpu) */ void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu) { - local_bh_disable(); + unsigned long flags; - update_thread_flag(TIF_SVE, - vcpu->arch.flags & KVM_ARM64_HOST_SVE_IN_USE); + local_irq_save(flags); if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED) { /* Clean guest FP state to memory and invalidate cpu view */ fpsimd_save(); fpsimd_flush_cpu_state(); - } else if (!test_thread_flag(TIF_FOREIGN_FPSTATE)) { - /* Ensure user trap controls are correctly restored */ - fpsimd_bind_task_to_cpu(); + } else if (system_supports_sve()) { + /* + * The FPSIMD/SVE state in the CPU has not been touched, and we + * have SVE (and VHE): CPACR_EL1 (alias CPTR_EL2) has been + * reset to CPACR_EL1_DEFAULT by the Hyp code, disabling SVE + * for EL0. To avoid spurious traps, restore the trap state + * seen by kvm_arch_vcpu_load_fp(): + */ + if (vcpu->arch.flags & KVM_ARM64_HOST_SVE_ENABLED) + sysreg_clear_set(CPACR_EL1, 0, CPACR_EL1_ZEN_EL0EN); + else + sysreg_clear_set(CPACR_EL1, CPACR_EL1_ZEN_EL0EN, 0); } - local_bh_enable(); + update_thread_flag(TIF_SVE, + vcpu->arch.flags & KVM_ARM64_HOST_SVE_IN_USE); + + local_irq_restore(flags); } diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 49e217ac7e1e..61e93f0b5482 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -583,13 +583,14 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, size >> PAGE_SHIFT); return NULL; } - if (!coherent) - __dma_flush_area(page_to_virt(page), iosize); - addr = dma_common_contiguous_remap(page, size, VM_USERMAP, prot, __builtin_return_address(0)); - if (!addr) { + if (addr) { + memset(addr, 0, size); + if (!coherent) + __dma_flush_area(page_to_virt(page), iosize); + } else { iommu_dma_unmap_page(dev, *handle, iosize, 0, attrs); dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT); diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 5f9a73a4452c..03646e6a2ef4 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -217,8 +217,9 @@ ENDPROC(idmap_cpu_replace_ttbr1) .macro __idmap_kpti_put_pgtable_ent_ng, type orr \type, \type, #PTE_NG // Same bit for blocks and pages - str \type, [cur_\()\type\()p] // Update the entry and ensure it - dc civac, cur_\()\type\()p // is visible to all CPUs. + str \type, [cur_\()\type\()p] // Update the entry and ensure + dmb sy // that it is visible to all + dc civac, cur_\()\type\()p // CPUs. .endm /* |