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-rw-r--r--.mailmap6
-rw-r--r--CREDITS6
-rw-r--r--Documentation/ABI/testing/sysfs-class-power1
-rw-r--r--Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing6
-rw-r--r--Documentation/admin-guide/mm/pagemap.rst2
-rw-r--r--Documentation/arm64/silicon-errata.rst2
-rw-r--r--Documentation/core-api/dma-attributes.rst8
-rw-r--r--Documentation/cpu-freq/cpu-drivers.rst3
-rw-r--r--Documentation/dev-tools/kselftest.rst8
-rw-r--r--Documentation/dev-tools/kunit/usage.rst2
-rw-r--r--Documentation/devicetree/bindings/arm/atmel-at91.yaml3
-rw-r--r--Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt2
-rw-r--r--Documentation/devicetree/bindings/arm/omap/omap.txt3
-rw-r--r--Documentation/devicetree/bindings/clock/qoriq-clock.txt1
-rw-r--r--Documentation/devicetree/bindings/gpio/sifive,gpio.yaml1
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml21
-rw-r--r--Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml2
-rw-r--r--Documentation/devicetree/bindings/net/qcom,ipa.yaml6
-rw-r--r--Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml2
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-sifive.yaml1
-rw-r--r--Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml1
-rw-r--r--Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml1
-rw-r--r--Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml5
-rw-r--r--Documentation/devicetree/bindings/usb/dwc2.yaml1
-rw-r--r--Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml2
-rw-r--r--Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml2
-rw-r--r--Documentation/filesystems/netfs_library.rst16
-rw-r--r--Documentation/gpu/todo.rst24
-rw-r--r--Documentation/tools/rtla/common_hist_options.rst2
-rw-r--r--Documentation/tools/rtla/common_osnoise_description.rst2
-rw-r--r--Documentation/tools/rtla/rtla-osnoise-hist.rst2
-rw-r--r--Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst2
-rw-r--r--Documentation/userspace-api/ioctl/ioctl-number.rst3
-rw-r--r--Documentation/virt/kvm/api.rst16
-rw-r--r--MAINTAINERS144
-rw-r--r--Makefile4
-rw-r--r--arch/arm/boot/dts/Makefile1
-rw-r--r--arch/arm/boot/dts/am335x-wega.dtsi2
-rw-r--r--arch/arm/boot/dts/dra7.dtsi20
-rw-r--r--arch/arm/boot/dts/imx23-evk.dts1
-rw-r--r--arch/arm/boot/dts/imx6qdl-udoo.dtsi5
-rw-r--r--arch/arm/boot/dts/imx7ulp.dtsi2
-rw-r--r--arch/arm/boot/dts/meson.dtsi8
-rw-r--r--arch/arm/boot/dts/meson8.dtsi24
-rw-r--r--arch/arm/boot/dts/meson8b.dtsi24
-rw-r--r--arch/arm/boot/dts/omap3-beagle-ab4.dts47
-rw-r--r--arch/arm/boot/dts/omap3-beagle.dts33
-rw-r--r--arch/arm/boot/dts/omap3-devkit8000-common.dtsi18
-rw-r--r--arch/arm/boot/dts/omap3-devkit8000.dts33
-rw-r--r--arch/arm/boot/dts/rk322x.dtsi4
-rw-r--r--arch/arm/boot/dts/rk3288.dtsi2
-rw-r--r--arch/arm/boot/dts/spear320-hmi.dts1
-rw-r--r--arch/arm/boot/dts/ste-ux500-samsung-skomer.dts4
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-big.dts15
-rw-r--r--arch/arm/boot/dts/tegra124-nyan-blaze.dts15
-rw-r--r--arch/arm/boot/dts/tegra124-venice2.dts14
-rw-r--r--arch/arm/crypto/blake2s-shash.c4
-rw-r--r--arch/arm/kernel/kgdb.c36
-rw-r--r--arch/arm/mach-omap2/display.c2
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c4
-rw-r--r--arch/arm/mach-socfpga/Kconfig2
-rw-r--r--arch/arm/mm/mmu.c2
-rw-r--r--arch/arm64/Kconfig17
-rw-r--r--arch/arm64/Kconfig.platforms3
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi6
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts8
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi4
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gx.dtsi6
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts2
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi2
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts8
-rw-r--r--arch/arm64/boot/dts/arm/juno-base.dtsi3
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts4
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm.dtsi1
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi4
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq.dtsi10
-rw-r--r--arch/arm64/boot/dts/freescale/imx8ulp.dtsi2
-rw-r--r--arch/arm64/boot/dts/freescale/mba8mx.dtsi2
-rw-r--r--arch/arm64/boot/dts/intel/socfpga_agilex.dtsi4
-rw-r--r--arch/arm64/boot/dts/rockchip/px30.dtsi2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3328.dtsi2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi17
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts1
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi20
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399.dtsi6
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3568.dtsi6
-rw-r--r--arch/arm64/boot/dts/rockchip/rk356x.dtsi4
-rw-r--r--arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts14
-rw-r--r--arch/arm64/boot/dts/ti/k3-j721s2.dtsi22
-rw-r--r--arch/arm64/include/asm/el2_setup.h2
-rw-r--r--arch/arm64/kernel/cpu_errata.c8
-rw-r--r--arch/arm64/kvm/arm.c51
-rw-r--r--arch/arm64/kvm/handle_exit.c8
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/switch.h23
-rw-r--r--arch/arm64/kvm/psci.c3
-rw-r--r--arch/arm64/kvm/vgic/vgic-mmio.c2
-rw-r--r--arch/arm64/tools/cpucaps5
-rw-r--r--arch/mips/boot/dts/ingenic/ci20.dts15
-rw-r--r--arch/mips/cavium-octeon/octeon-memcpy.S2
-rw-r--r--arch/mips/kernel/setup.c2
-rw-r--r--arch/mips/kernel/smp.c6
-rw-r--r--arch/mips/kvm/mips.c50
-rw-r--r--arch/mips/kvm/vz.c12
-rw-r--r--arch/mips/ralink/mt7621.c36
-rw-r--r--arch/parisc/include/asm/bitops.h8
-rw-r--r--arch/parisc/include/asm/uaccess.h29
-rw-r--r--arch/parisc/kernel/unaligned.c14
-rw-r--r--arch/parisc/lib/iomap.c18
-rw-r--r--arch/parisc/mm/init.c9
-rw-r--r--arch/riscv/Makefile6
-rw-r--r--arch/riscv/boot/dts/canaan/k210.dtsi3
-rw-r--r--arch/riscv/configs/nommu_k210_sdcard_defconfig2
-rw-r--r--arch/riscv/include/asm/page.h2
-rw-r--r--arch/riscv/include/asm/pgtable.h1
-rw-r--r--arch/riscv/kernel/Makefile2
-rw-r--r--arch/riscv/kernel/cpu-hotplug.c2
-rw-r--r--arch/riscv/kernel/entry.S10
-rw-r--r--arch/riscv/kernel/head.S11
-rw-r--r--arch/riscv/kernel/sbi.c72
-rw-r--r--arch/riscv/kernel/stacktrace.c9
-rw-r--r--arch/riscv/kernel/trace_irq.c27
-rw-r--r--arch/riscv/kernel/trace_irq.h11
-rw-r--r--arch/riscv/kvm/vcpu.c48
-rw-r--r--arch/riscv/kvm/vcpu_sbi_base.c3
-rw-r--r--arch/riscv/mm/Makefile3
-rw-r--r--arch/riscv/mm/extable.c6
-rw-r--r--arch/riscv/mm/init.c4
-rw-r--r--arch/riscv/mm/kasan_init.c8
-rw-r--r--arch/riscv/mm/physaddr.c4
-rw-r--r--arch/s390/include/asm/extable.h9
-rw-r--r--arch/s390/include/asm/ftrace.h10
-rw-r--r--arch/s390/include/asm/ptrace.h2
-rw-r--r--arch/s390/kernel/ftrace.c37
-rw-r--r--arch/s390/kernel/mcount.S9
-rw-r--r--arch/s390/kernel/setup.c2
-rw-r--r--arch/s390/kvm/kvm-s390.c2
-rw-r--r--arch/s390/lib/test_modules.c3
-rw-r--r--arch/s390/lib/test_modules.h3
-rw-r--r--arch/x86/crypto/blake2s-shash.c4
-rw-r--r--arch/x86/events/intel/core.c13
-rw-r--r--arch/x86/events/intel/pt.c5
-rw-r--r--arch/x86/include/asm/bug.h20
-rw-r--r--arch/x86/include/asm/kvm-x86-ops.h2
-rw-r--r--arch/x86/include/asm/kvm_host.h4
-rw-r--r--arch/x86/include/asm/msr-index.h1
-rw-r--r--arch/x86/include/asm/svm.h36
-rw-r--r--arch/x86/include/asm/xen/cpuid.h7
-rw-r--r--arch/x86/include/asm/xen/hypervisor.h14
-rw-r--r--arch/x86/kernel/cpu/sgx/encl.c2
-rw-r--r--arch/x86/kernel/cpu/sgx/main.c10
-rw-r--r--arch/x86/kernel/fpu/regset.c9
-rw-r--r--arch/x86/kernel/fpu/xstate.c5
-rw-r--r--arch/x86/kernel/kvm.c9
-rw-r--r--arch/x86/kernel/ptrace.c4
-rw-r--r--arch/x86/kernel/resource.c23
-rw-r--r--arch/x86/kvm/cpuid.c18
-rw-r--r--arch/x86/kvm/lapic.c17
-rw-r--r--arch/x86/kvm/mmu/mmu.c13
-rw-r--r--arch/x86/kvm/pmu.c7
-rw-r--r--arch/x86/kvm/svm/avic.c93
-rw-r--r--arch/x86/kvm/svm/nested.c26
-rw-r--r--arch/x86/kvm/svm/svm.c111
-rw-r--r--arch/x86/kvm/svm/svm.h15
-rw-r--r--arch/x86/kvm/vmx/nested.c11
-rw-r--r--arch/x86/kvm/vmx/vmx.c50
-rw-r--r--arch/x86/kvm/vmx/vmx.h5
-rw-r--r--arch/x86/kvm/x86.c44
-rw-r--r--arch/x86/kvm/x86.h45
-rw-r--r--arch/x86/kvm/xen.c97
-rw-r--r--arch/x86/xen/enlighten_hvm.c22
-rw-r--r--arch/x86/xen/enlighten_pv.c4
-rw-r--r--arch/x86/xen/smp_pv.c26
-rw-r--r--arch/x86/xen/vga.c16
-rw-r--r--block/bfq-iosched.c2
-rw-r--r--block/bio-integrity.c2
-rw-r--r--block/blk-core.c10
-rw-r--r--block/blk-map.c2
-rw-r--r--block/blk-mq.c4
-rw-r--r--block/elevator.c2
-rw-r--r--block/fops.c35
-rw-r--r--block/genhd.c14
-rw-r--r--crypto/af_alg.c3
-rw-r--r--crypto/algapi.c1
-rw-r--r--crypto/api.c1
-rw-r--r--crypto/blake2s_generic.c4
-rw-r--r--drivers/accessibility/speakup/speakup_dectlk.c1
-rw-r--r--drivers/acpi/Kconfig1
-rw-r--r--drivers/acpi/arm64/iort.c14
-rw-r--r--drivers/acpi/ec.c10
-rw-r--r--drivers/acpi/processor_idle.c5
-rw-r--r--drivers/acpi/sleep.c15
-rw-r--r--drivers/acpi/tables.c2
-rw-r--r--drivers/acpi/x86/s2idle.c12
-rw-r--r--drivers/ata/libata-core.c25
-rw-r--r--drivers/ata/pata_hpt37x.c18
-rw-r--r--drivers/ata/sata_fsl.c16
-rw-r--r--drivers/atm/firestream.c2
-rw-r--r--drivers/auxdisplay/lcd2s.c24
-rw-r--r--drivers/base/dd.c5
-rw-r--r--drivers/base/power/wakeup.c41
-rw-r--r--drivers/base/regmap/regmap-irq.c20
-rw-r--r--drivers/block/loop.c73
-rw-r--r--drivers/block/loop.h1
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c2
-rw-r--r--drivers/block/rbd.c2
-rw-r--r--drivers/block/xen-blkfront.c2
-rw-r--r--drivers/bus/mhi/pci_generic.c2
-rw-r--r--drivers/char/random.c39
-rw-r--r--drivers/clk/ingenic/jz4725b-cgu.c3
-rw-r--r--drivers/clk/qcom/gcc-msm8994.c106
-rw-r--r--drivers/clocksource/timer-ti-dm-systimer.c3
-rw-r--r--drivers/cpufreq/cpufreq.c4
-rw-r--r--drivers/cpufreq/qcom-cpufreq-hw.c11
-rw-r--r--drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c3
-rw-r--r--drivers/dma-buf/dma-heap.c2
-rw-r--r--drivers/dma/at_xdmac.c4
-rw-r--r--drivers/dma/ptdma/ptdma-dev.c17
-rw-r--r--drivers/dma/sh/rcar-dmac.c9
-rw-r--r--drivers/dma/sh/shdma-base.c4
-rw-r--r--drivers/dma/stm32-dmamux.c4
-rw-r--r--drivers/edac/altera_edac.c2
-rw-r--r--drivers/edac/edac_mc.c2
-rw-r--r--drivers/edac/xgene_edac.c2
-rw-r--r--drivers/firmware/arm_scmi/driver.c2
-rw-r--r--drivers/firmware/efi/libstub/riscv-stub.c17
-rw-r--r--drivers/firmware/efi/vars.c5
-rw-r--r--drivers/gpio/gpio-aggregator.c18
-rw-r--r--drivers/gpio/gpio-rockchip.c56
-rw-r--r--drivers/gpio/gpio-sifive.c2
-rw-r--r--drivers/gpio/gpio-sim.c19
-rw-r--r--drivers/gpio/gpio-tegra186.c14
-rw-r--r--drivers/gpio/gpiolib-cdev.c6
-rw-r--r--drivers/gpio/gpiolib-sysfs.c7
-rw-r--r--drivers/gpio/gpiolib.c10
-rw-r--r--drivers/gpio/gpiolib.h12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c37
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c14
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/soc15.c9
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c19
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c16
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c20
-rw-r--r--drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c6
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c9
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c20
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c29
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c15
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c61
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h4
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c3
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c64
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.h8
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c9
-rw-r--r--drivers/gpu/drm/arm/Kconfig1
-rw-r--r--drivers/gpu/drm/bridge/nwl-dsi.c12
-rw-r--r--drivers/gpu/drm/bridge/ti-sn65dsi86.c5
-rw-r--r--drivers/gpu/drm/drm_atomic_uapi.c14
-rw-r--r--drivers/gpu/drm/drm_connector.c3
-rw-r--r--drivers/gpu/drm/drm_edid.c2
-rw-r--r--drivers/gpu/drm/drm_gem_cma_helper.c1
-rw-r--r--drivers/gpu/drm/drm_privacy_screen.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos7_drm_decon.c12
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dsi.c6
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimc.c13
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c13
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gsc.c10
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c14
-rw-r--r--drivers/gpu/drm/i915/Kconfig1
-rw-r--r--drivers/gpu/drm/i915/display/intel_bw.c18
-rw-r--r--drivers/gpu/drm/i915/display/intel_bw.h8
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c1
-rw-r--r--drivers/gpu/drm/i915/display/intel_drrs.c8
-rw-r--r--drivers/gpu/drm/i915/display/intel_fbc.c3
-rw-r--r--drivers/gpu/drm/i915/display/intel_opregion.c15
-rw-r--r--drivers/gpu/drm/i915/display/intel_overlay.c3
-rw-r--r--drivers/gpu/drm/i915/display/intel_snps_phy.c2
-rw-r--r--drivers/gpu/drm/i915/display/intel_tc.c29
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c9
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_ttm.c6
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc.h5
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c2
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c114
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c4
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c2
-rw-r--r--drivers/gpu/drm/i915/i915_mm.h1
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h3
-rw-r--r--drivers/gpu/drm/i915/intel_pch.c2
-rw-r--r--drivers/gpu/drm/i915/intel_pch.h2
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c169
-rw-r--r--drivers/gpu/drm/i915/intel_pm.h1
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c4
-rw-r--r--drivers/gpu/drm/imx/dcss/Kconfig1
-rw-r--r--drivers/gpu/drm/kmb/kmb_plane.c6
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c167
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_kms.c6
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1254 files changed, 12874 insertions, 6807 deletions
diff --git a/.mailmap b/.mailmap
index b76e520809d0..10ee1103c823 100644
--- a/.mailmap
+++ b/.mailmap
@@ -80,6 +80,9 @@ Chris Chiu <chris.chiu@canonical.com> <chiu@endlessos.org>
Christian Borntraeger <borntraeger@linux.ibm.com> <borntraeger@de.ibm.com>
Christian Borntraeger <borntraeger@linux.ibm.com> <cborntra@de.ibm.com>
Christian Borntraeger <borntraeger@linux.ibm.com> <borntrae@de.ibm.com>
+Christian Brauner <brauner@kernel.org> <christian@brauner.io>
+Christian Brauner <brauner@kernel.org> <christian.brauner@canonical.com>
+Christian Brauner <brauner@kernel.org> <christian.brauner@ubuntu.com>
Christophe Ricard <christophe.ricard@gmail.com>
Christoph Hellwig <hch@lst.de>
Colin Ian King <colin.king@intel.com> <colin.king@canonical.com>
@@ -330,6 +333,9 @@ Rémi Denis-Courmont <rdenis@simphalempin.com>
Ricardo Ribalda <ribalda@kernel.org> <ricardo@ribalda.com>
Ricardo Ribalda <ribalda@kernel.org> Ricardo Ribalda Delgado <ribalda@kernel.org>
Ricardo Ribalda <ribalda@kernel.org> <ricardo.ribalda@gmail.com>
+Roman Gushchin <roman.gushchin@linux.dev> <guro@fb.com>
+Roman Gushchin <roman.gushchin@linux.dev> <guroan@gmail.com>
+Roman Gushchin <roman.gushchin@linux.dev> <klamm@yandex-team.ru>
Ross Zwisler <zwisler@kernel.org> <ross.zwisler@linux.intel.com>
Rudolf Marek <R.Marek@sh.cvut.cz>
Rui Saraiva <rmps@joel.ist.utl.pt>
diff --git a/CREDITS b/CREDITS
index b97256d5bc24..7e85a53b6a88 100644
--- a/CREDITS
+++ b/CREDITS
@@ -895,6 +895,12 @@ S: 3000 FORE Drive
S: Warrendale, Pennsylvania 15086
S: USA
+N: Ludovic Desroches
+E: ludovic.desroches@microchip.com
+D: Maintainer for ARM/Microchip (AT91) SoC support
+D: Author of ADC, pinctrl, XDMA and SDHCI drivers for this platform
+S: France
+
N: Martin Devera
E: devik@cdi.cz
W: http://luxik.cdi.cz/~devik/qos/
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
index fde21d900420..859501366777 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -468,6 +468,7 @@ Description:
auto: Charge normally, respect thresholds
inhibit-charge: Do not charge while AC is attached
force-discharge: Force discharge while AC is attached
+ ================ ====================================
What: /sys/class/power_supply/<supply_name>/technology
Date: May 2007
diff --git a/Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing b/Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing
index b363827da437..910df0e5815a 100644
--- a/Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing
+++ b/Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing
@@ -1,4 +1,4 @@
-What: /sys/bus/platform/drivers/aspeed-uart-routing/*/uart*
+What: /sys/bus/platform/drivers/aspeed-uart-routing/\*/uart\*
Date: September 2021
Contact: Oskar Senft <osk@google.com>
Chia-Wei Wang <chiawei_wang@aspeedtech.com>
@@ -9,7 +9,7 @@ Description: Selects the RX source of the UARTx device.
depends on the selected file.
e.g.
- cat /sys/bus/platform/drivers/aspeed-uart-routing/*.uart_routing/uart1
+ cat /sys/bus/platform/drivers/aspeed-uart-routing/\*.uart_routing/uart1
[io1] io2 io3 io4 uart2 uart3 uart4 io6
In this case, UART1 gets its input from IO1 (physical serial port 1).
@@ -17,7 +17,7 @@ Description: Selects the RX source of the UARTx device.
Users: OpenBMC. Proposed changes should be mailed to
openbmc@lists.ozlabs.org
-What: /sys/bus/platform/drivers/aspeed-uart-routing/*/io*
+What: /sys/bus/platform/drivers/aspeed-uart-routing/\*/io\*
Date: September 2021
Contact: Oskar Senft <osk@google.com>
Chia-Wei Wang <chiawei_wang@aspeedtech.com>
diff --git a/Documentation/admin-guide/mm/pagemap.rst b/Documentation/admin-guide/mm/pagemap.rst
index bfc28704856c..6e2e416af783 100644
--- a/Documentation/admin-guide/mm/pagemap.rst
+++ b/Documentation/admin-guide/mm/pagemap.rst
@@ -23,7 +23,7 @@ There are four components to pagemap:
* Bit 56 page exclusively mapped (since 4.2)
* Bit 57 pte is uffd-wp write-protected (since 5.13) (see
:ref:`Documentation/admin-guide/mm/userfaultfd.rst <userfaultfd>`)
- * Bits 57-60 zero
+ * Bits 58-60 zero
* Bit 61 page is file-page or shared-anon (since 3.5)
* Bit 62 page swapped
* Bit 63 page present
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 0ec7b7f1524b..ea281dd75517 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -100,6 +100,8 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A510 | #2051678 | ARM64_ERRATUM_2051678 |
+----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A510 | #2077057 | ARM64_ERRATUM_2077057 |
++----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A710 | #2119858 | ARM64_ERRATUM_2119858 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A710 | #2054223 | ARM64_ERRATUM_2054223 |
diff --git a/Documentation/core-api/dma-attributes.rst b/Documentation/core-api/dma-attributes.rst
index 1887d92e8e92..17706dc91ec9 100644
--- a/Documentation/core-api/dma-attributes.rst
+++ b/Documentation/core-api/dma-attributes.rst
@@ -130,3 +130,11 @@ accesses to DMA buffers in both privileged "supervisor" and unprivileged
subsystem that the buffer is fully accessible at the elevated privilege
level (and ideally inaccessible or at least read-only at the
lesser-privileged levels).
+
+DMA_ATTR_OVERWRITE
+------------------
+
+This is a hint to the DMA-mapping subsystem that the device is expected to
+overwrite the entire mapped size, thus the caller does not require any of the
+previous buffer contents to be preserved. This allows bounce-buffering
+implementations to optimise DMA_FROM_DEVICE transfers.
diff --git a/Documentation/cpu-freq/cpu-drivers.rst b/Documentation/cpu-freq/cpu-drivers.rst
index 3b32336a7803..d84ededb66f9 100644
--- a/Documentation/cpu-freq/cpu-drivers.rst
+++ b/Documentation/cpu-freq/cpu-drivers.rst
@@ -75,6 +75,9 @@ And optionally
.resume - A pointer to a per-policy resume function which is called
with interrupts disabled and _before_ the governor is started again.
+ .ready - A pointer to a per-policy ready function which is called after
+ the policy is fully initialized.
+
.attr - A pointer to a NULL-terminated list of "struct freq_attr" which
allow to export values to sysfs.
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index dcefee707ccd..a833ecf12fbc 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -7,6 +7,14 @@ directory. These are intended to be small tests to exercise individual code
paths in the kernel. Tests are intended to be run after building, installing
and booting a kernel.
+Kselftest from mainline can be run on older stable kernels. Running tests
+from mainline offers the best coverage. Several test rings run mainline
+kselftest suite on stable releases. The reason is that when a new test
+gets added to test existing code to regression test a bug, we should be
+able to run that test on an older kernel. Hence, it is important to keep
+code that can still test an older kernel and make sure it skips the test
+gracefully on newer releases.
+
You can find additional information on Kselftest framework, how to
write new tests using the framework on Kselftest wiki:
diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
index 76af931a332c..1c83e7d60a8a 100644
--- a/Documentation/dev-tools/kunit/usage.rst
+++ b/Documentation/dev-tools/kunit/usage.rst
@@ -242,7 +242,7 @@ example:
int rectangle_area(struct shape *this)
{
- struct rectangle *self = container_of(this, struct shape, parent);
+ struct rectangle *self = container_of(this, struct rectangle, parent);
return self->length * self->width;
};
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.yaml b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
index c612e1f48dba..ff91df04f9f4 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.yaml
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
@@ -8,7 +8,8 @@ title: Atmel AT91 device tree bindings.
maintainers:
- Alexandre Belloni <alexandre.belloni@bootlin.com>
- - Ludovic Desroches <ludovic.desroches@microchip.com>
+ - Claudiu Beznea <claudiu.beznea@microchip.com>
+ - Nicolas Ferre <nicolas.ferre@microchip.com>
description: |
Boards with a SoC of the Atmel AT91 or SMART family shall have the following
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt
index b5cb374dc47d..10a91cc8b997 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt
@@ -8,7 +8,7 @@ Required properties:
- compatible: Should contain a chip-specific compatible string,
Chip-specific strings are of the form "fsl,<chip>-dcfg",
The following <chip>s are known to be supported:
- ls1012a, ls1021a, ls1043a, ls1046a, ls2080a.
+ ls1012a, ls1021a, ls1043a, ls1046a, ls2080a, lx2160a
- reg : should contain base address and length of DCFG memory-mapped registers
diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
index e77635c5422c..fa8b31660cad 100644
--- a/Documentation/devicetree/bindings/arm/omap/omap.txt
+++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
@@ -119,6 +119,9 @@ Boards (incomplete list of examples):
- OMAP3 BeagleBoard : Low cost community board
compatible = "ti,omap3-beagle", "ti,omap3430", "ti,omap3"
+- OMAP3 BeagleBoard A to B4 : Early BeagleBoard revisions A to B4 with a timer quirk
+ compatible = "ti,omap3-beagle-ab4", "ti,omap3-beagle", "ti,omap3430", "ti,omap3"
+
- OMAP3 Tobi with Overo : Commercial expansion board with daughter board
compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3"
diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
index f7d48f23da44..10119d9ef4b1 100644
--- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
+++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
@@ -44,6 +44,7 @@ Required properties:
* "fsl,ls1046a-clockgen"
* "fsl,ls1088a-clockgen"
* "fsl,ls2080a-clockgen"
+ * "fsl,lx2160a-clockgen"
Chassis-version clock strings include:
* "fsl,qoriq-clockgen-1.0": for chassis 1.0 clocks
* "fsl,qoriq-clockgen-2.0": for chassis 2.0 clocks
diff --git a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
index e04349567eeb..427c5873f96a 100644
--- a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
@@ -7,7 +7,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: SiFive GPIO controller
maintainers:
- - Yash Shah <yash.shah@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
properties:
diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
index 0dfa6b26e099..27092c6a86c4 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
@@ -35,6 +35,10 @@ description:
contains a specific memory layout, which is documented in chapter 8 of the
SiFive U5 Coreplex Series Manual <https://static.dev.sifive.com/U54-MC-RVCoreIP.pdf>.
+ The thead,c900-plic is different from sifive,plic-1.0.0 in opensbi, the
+ T-HEAD PLIC implementation requires setting a delegation bit to allow access
+ from S-mode. So add thead,c900-plic to distinguish them.
+
maintainers:
- Sagar Kadam <sagar.kadam@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
@@ -42,12 +46,17 @@ maintainers:
properties:
compatible:
- items:
- - enum:
- - sifive,fu540-c000-plic
- - starfive,jh7100-plic
- - canaan,k210-plic
- - const: sifive,plic-1.0.0
+ oneOf:
+ - items:
+ - enum:
+ - sifive,fu540-c000-plic
+ - starfive,jh7100-plic
+ - canaan,k210-plic
+ - const: sifive,plic-1.0.0
+ - items:
+ - enum:
+ - allwinner,sun20i-d1-plic
+ - const: thead,c900-plic
reg:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
index 272832e9f8f2..fa86691ebf16 100644
--- a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
+++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
@@ -20,7 +20,7 @@ description: |
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>
- - Roger Quadros <rogerq@ti.com
+ - Roger Quadros <rogerq@kernel.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
index b86edf67ce62..58ecc62adfaa 100644
--- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
@@ -107,6 +107,10 @@ properties:
- const: imem
- const: config
+ qcom,qmp:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to the AOSS side-channel message RAM
+
qcom,smem-states:
$ref: /schemas/types.yaml#/definitions/phandle-array
description: State bits used in by the AP to signal the modem.
@@ -222,6 +226,8 @@ examples:
"imem",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml b/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
index cbbf5e8b1197..f78d3246fbdc 100644
--- a/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,omap-usb2.yaml
@@ -8,7 +8,7 @@ title: OMAP USB2 PHY
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>
- - Roger Quadros <rogerq@ti.com>
+ - Roger Quadros <rogerq@kernel.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
index 84e66913d042..db41cd7bf150 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-sifive.yaml
@@ -8,7 +8,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: SiFive PWM controller
maintainers:
- - Yash Shah <yash.shah@sifive.com>
- Sagar Kadam <sagar.kadam@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
index 2b1f91603897..e2d330bd4608 100644
--- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
@@ -9,7 +9,6 @@ title: SiFive L2 Cache Controller
maintainers:
- Sagar Kadam <sagar.kadam@sifive.com>
- - Yash Shah <yash.shah@sifive.com>
- Paul Walmsley <paul.walmsley@sifive.com>
description:
diff --git a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
index 77adbebed824..c3e9f3485449 100644
--- a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
+++ b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
@@ -8,6 +8,7 @@ title: Audio codec controlled by ChromeOS EC
maintainers:
- Cheng-Yi Chiang <cychiang@chromium.org>
+ - Tzung-Bi Shih <tzungbi@google.com>
description: |
Google's ChromeOS EC codec is a digital mic codec provided by the
diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 5dd209206e88..3ec2d7b83775 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -23,8 +23,9 @@ properties:
minItems: 1
maxItems: 256
items:
- minimum: 0
- maximum: 256
+ items:
+ - minimum: 0
+ maximum: 256
description:
Chip select used by the device.
diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
index f00867ebc147..481aaa09f3f2 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
@@ -53,6 +53,7 @@ properties:
- const: st,stm32mp15-hsotg
- const: snps,dwc2
- const: samsung,s3c6400-hsotg
+ - const: intel,socfpga-agilex-hsotg
reg:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml b/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
index a634774c537c..eedde385d299 100644
--- a/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml
@@ -7,7 +7,7 @@ $schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Bindings for the TI wrapper module for the Cadence USBSS-DRD controller
maintainers:
- - Roger Quadros <rogerq@ti.com>
+ - Roger Quadros <rogerq@kernel.org>
properties:
compatible:
diff --git a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
index f6e91a5fd8fe..4f7a212fddd3 100644
--- a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI Keystone Soc USB Controller
maintainers:
- - Roger Quadros <rogerq@ti.com>
+ - Roger Quadros <rogerq@kernel.org>
properties:
compatible:
diff --git a/Documentation/filesystems/netfs_library.rst b/Documentation/filesystems/netfs_library.rst
index 136f8da3d0e2..4f373a8ec47b 100644
--- a/Documentation/filesystems/netfs_library.rst
+++ b/Documentation/filesystems/netfs_library.rst
@@ -462,6 +462,10 @@ operation table looks like the following::
struct iov_iter *iter,
netfs_io_terminated_t term_func,
void *term_func_priv);
+
+ int (*query_occupancy)(struct netfs_cache_resources *cres,
+ loff_t start, size_t len, size_t granularity,
+ loff_t *_data_start, size_t *_data_len);
};
With a termination handler function pointer::
@@ -536,6 +540,18 @@ The methods defined in the table are:
indicating whether the termination is definitely happening in the caller's
context.
+ * ``query_occupancy()``
+
+ [Required] Called to find out where the next piece of data is within a
+ particular region of the cache. The start and length of the region to be
+ queried are passed in, along with the granularity to which the answer needs
+ to be aligned. The function passes back the start and length of the data,
+ if any, available within that region. Note that there may be a hole at the
+ front.
+
+ It returns 0 if some data was found, -ENODATA if there was no usable data
+ within the region or -ENOBUFS if there is no caching on this file.
+
Note that these methods are passed a pointer to the cache resource structure,
not the read request structure as they could be used in other situations where
there isn't a read request structure as well, such as writing dirty data to the
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index da138dd39883..a1212b5b3026 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -300,30 +300,6 @@ Contact: Daniel Vetter, Noralf Tronnes
Level: Advanced
-Garbage collect fbdev scrolling acceleration
---------------------------------------------
-
-Scroll acceleration has been disabled in fbcon. Now it works as the old
-SCROLL_REDRAW mode. A ton of code was removed in fbcon.c and the hook bmove was
-removed from fbcon_ops.
-Remaining tasks:
-
-- a bunch of the hooks in fbcon_ops could be removed or simplified by calling
- directly instead of the function table (with a switch on p->rotate)
-
-- fb_copyarea is unused after this, and can be deleted from all drivers
-
-- after that, fb_copyarea can be deleted from fb_ops in include/linux/fb.h as
- well as cfb_copyarea
-
-Note that not all acceleration code can be deleted, since clearing and cursor
-support is still accelerated, which might be good candidates for further
-deletion projects.
-
-Contact: Daniel Vetter
-
-Level: Intermediate
-
idr_init_base()
---------------
diff --git a/Documentation/tools/rtla/common_hist_options.rst b/Documentation/tools/rtla/common_hist_options.rst
index 0266cd08a6c9..df53ff835bfb 100644
--- a/Documentation/tools/rtla/common_hist_options.rst
+++ b/Documentation/tools/rtla/common_hist_options.rst
@@ -2,7 +2,7 @@
Set the histogram bucket size (default *1*).
-**-e**, **--entries** *N*
+**-E**, **--entries** *N*
Set the number of entries of the histogram (default 256).
diff --git a/Documentation/tools/rtla/common_osnoise_description.rst b/Documentation/tools/rtla/common_osnoise_description.rst
index 8973c5df888f..d5d61615b967 100644
--- a/Documentation/tools/rtla/common_osnoise_description.rst
+++ b/Documentation/tools/rtla/common_osnoise_description.rst
@@ -1,7 +1,7 @@
The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
*osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
time in a loop while with preemption, softirq and IRQs enabled, thus
-allowing all the sources of operating systme noise during its execution.
+allowing all the sources of operating system noise during its execution.
The *osnoise*'s tracer threads take note of the delta between each time
read, along with an interference counter of all sources of interference.
At the end of each period, the *osnoise* tracer displays a summary of
diff --git a/Documentation/tools/rtla/rtla-osnoise-hist.rst b/Documentation/tools/rtla/rtla-osnoise-hist.rst
index 52298ddd8701..f2e79d22c4c4 100644
--- a/Documentation/tools/rtla/rtla-osnoise-hist.rst
+++ b/Documentation/tools/rtla/rtla-osnoise-hist.rst
@@ -36,7 +36,7 @@ default). The reason for reducing the runtime is to avoid starving the
**rtla** tool. The tool is also set to run for *one minute*. The output
histogram is set to group outputs in buckets of *10us* and *25* entries::
- [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -e 25
+ [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -E 25
# RTLA osnoise histogram
# Time unit is microseconds (us)
# Duration: 0 00:01:00
diff --git a/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst b/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
index 87a36044f828..2ca92042767b 100644
--- a/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
+++ b/Documentation/translations/zh_CN/cpu-freq/cpu-drivers.rst
@@ -84,6 +84,8 @@ CPUfreq核心层注册一个cpufreq_driver结构体。
.resume - 一个指向per-policy恢复函数的指针,该函数在关中断且在调节器再一次启动前被
调用。
+ .ready - 一个指向per-policy准备函数的指针,该函数在策略完全初始化之后被调用。
+
.attr - 一个指向NULL结尾的"struct freq_attr"列表的指针,该列表允许导出值到
sysfs。
diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index 687efcf245c1..e6fce2cbd99e 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -115,6 +115,7 @@ Code Seq# Include File Comments
'B' 00-1F linux/cciss_ioctl.h conflict!
'B' 00-0F include/linux/pmu.h conflict!
'B' C0-FF advanced bbus <mailto:maassen@uni-freiburg.de>
+'B' 00-0F xen/xenbus_dev.h conflict!
'C' all linux/soundcard.h conflict!
'C' 01-2F linux/capi.h conflict!
'C' F0-FF drivers/net/wan/cosa.h conflict!
@@ -134,6 +135,7 @@ Code Seq# Include File Comments
'F' 80-8F linux/arcfb.h conflict!
'F' DD video/sstfb.h conflict!
'G' 00-3F drivers/misc/sgi-gru/grulib.h conflict!
+'G' 00-0F xen/gntalloc.h, xen/gntdev.h conflict!
'H' 00-7F linux/hiddev.h conflict!
'H' 00-0F linux/hidraw.h conflict!
'H' 01 linux/mei.h conflict!
@@ -176,6 +178,7 @@ Code Seq# Include File Comments
'P' 60-6F sound/sscape_ioctl.h conflict!
'P' 00-0F drivers/usb/class/usblp.c conflict!
'P' 01-09 drivers/misc/pci_endpoint_test.c conflict!
+'P' 00-0F xen/privcmd.h conflict!
'Q' all linux/soundcard.h
'R' 00-1F linux/random.h conflict!
'R' 01 linux/rfkill.h conflict!
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index a4267104db50..9f3172376ec3 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -1394,7 +1394,7 @@ documentation when it pops into existence).
-------------------
:Capability: KVM_CAP_ENABLE_CAP
-:Architectures: mips, ppc, s390
+:Architectures: mips, ppc, s390, x86
:Type: vcpu ioctl
:Parameters: struct kvm_enable_cap (in)
:Returns: 0 on success; -1 on error
@@ -6997,6 +6997,20 @@ indicated by the fd to the VM this is called on.
This is intended to support intra-host migration of VMs between userspace VMMs,
upgrading the VMM process without interrupting the guest.
+7.30 KVM_CAP_PPC_AIL_MODE_3
+-------------------------------
+
+:Capability: KVM_CAP_PPC_AIL_MODE_3
+:Architectures: ppc
+:Type: vm
+
+This capability indicates that the kernel supports the mode 3 setting for the
+"Address Translation Mode on Interrupt" aka "Alternate Interrupt Location"
+resource that is controlled with the H_SET_MODE hypercall.
+
+This capability allows a guest kernel to use a better-performance mode for
+handling interrupts and system calls.
+
8. Other capabilities.
======================
diff --git a/MAINTAINERS b/MAINTAINERS
index f41088418aae..05fd080b82f3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1620,6 +1620,7 @@ M: Olof Johansson <olof@lixom.net>
M: soc@kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+C: irc://irc.libera.chat/armlinux
T: git git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
F: arch/arm/boot/dts/Makefile
F: arch/arm64/boot/dts/Makefile
@@ -1627,6 +1628,7 @@ F: arch/arm64/boot/dts/Makefile
ARM SUB-ARCHITECTURES
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+C: irc://irc.libera.chat/armlinux
T: git git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
F: arch/arm/mach-*/
F: arch/arm/plat-*/
@@ -1780,6 +1782,7 @@ F: drivers/irqchip/irq-apple-aic.c
F: drivers/mailbox/apple-mailbox.c
F: drivers/pinctrl/pinctrl-apple-gpio.c
F: drivers/soc/apple/*
+F: drivers/watchdog/apple_wdt.c
F: include/dt-bindings/interrupt-controller/apple-aic.h
F: include/dt-bindings/pinctrl/apple.h
F: include/linux/apple-mailbox.h
@@ -2251,7 +2254,7 @@ F: drivers/phy/mediatek/
ARM/Microchip (AT91) SoC support
M: Nicolas Ferre <nicolas.ferre@microchip.com>
M: Alexandre Belloni <alexandre.belloni@bootlin.com>
-M: Ludovic Desroches <ludovic.desroches@microchip.com>
+M: Claudiu Beznea <claudiu.beznea@microchip.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
W: http://www.linux4sam.org
@@ -2570,10 +2573,13 @@ N: rockchip
ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES
M: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+R: Alim Akhtar <alim.akhtar@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org
S: Maintained
+C: irc://irc.libera.chat/linux-exynos
Q: https://patchwork.kernel.org/project/linux-samsung-soc/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
F: Documentation/arm/samsung/
F: Documentation/devicetree/bindings/arm/samsung/
F: Documentation/devicetree/bindings/power/pd-samsung.yaml
@@ -3133,11 +3139,9 @@ W: https://wireless.wiki.kernel.org/en/users/Drivers/ath5k
F: drivers/net/wireless/ath/ath5k/
ATHEROS ATH6KL WIRELESS DRIVER
-M: Kalle Valo <kvalo@kernel.org>
L: linux-wireless@vger.kernel.org
-S: Supported
+S: Orphan
W: https://wireless.wiki.kernel.org/en/users/Drivers/ath6kl
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
F: drivers/net/wireless/ath/ath6kl/
ATI_REMOTE2 DRIVER
@@ -4157,9 +4161,8 @@ N: csky
K: csky
CA8210 IEEE-802.15.4 RADIO DRIVER
-M: Harry Morris <h.morris@cascoda.com>
L: linux-wpan@vger.kernel.org
-S: Maintained
+S: Orphan
W: https://github.com/Cascoda/ca8210-linux.git
F: Documentation/devicetree/bindings/net/ieee802154/ca8210.txt
F: drivers/net/ieee802154/ca8210.c
@@ -4544,6 +4547,7 @@ F: drivers/platform/chrome/
CHROMEOS EC CODEC DRIVER
M: Cheng-Yi Chiang <cychiang@chromium.org>
+M: Tzung-Bi Shih <tzungbi@google.com>
R: Guenter Roeck <groeck@chromium.org>
S: Maintained
F: Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
@@ -4909,7 +4913,8 @@ F: kernel/cgroup/cpuset.c
CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
M: Johannes Weiner <hannes@cmpxchg.org>
M: Michal Hocko <mhocko@kernel.org>
-M: Vladimir Davydov <vdavydov.dev@gmail.com>
+M: Roman Gushchin <roman.gushchin@linux.dev>
+M: Shakeel Butt <shakeelb@google.com>
L: cgroups@vger.kernel.org
L: linux-mm@kvack.org
S: Maintained
@@ -5773,7 +5778,7 @@ F: tools/testing/selftests/dma/
DMA-BUF HEAPS FRAMEWORK
M: Sumit Semwal <sumit.semwal@linaro.org>
-R: Benjamin Gaignard <benjamin.gaignard@linaro.org>
+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>
@@ -6503,7 +6508,7 @@ F: Documentation/devicetree/bindings/display/rockchip/
F: drivers/gpu/drm/rockchip/
DRM DRIVERS FOR STI
-M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
+M: Alain Volmat <alain.volmat@foss.st.com>
L: dri-devel@lists.freedesktop.org
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
@@ -6512,8 +6517,8 @@ F: drivers/gpu/drm/sti
DRM DRIVERS FOR STM
M: Yannick Fertre <yannick.fertre@foss.st.com>
+M: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
M: Philippe Cornu <philippe.cornu@foss.st.com>
-M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
L: dri-devel@lists.freedesktop.org
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
@@ -7007,12 +7012,6 @@ L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/sb_edac.c
-EDAC-SIFIVE
-M: Yash Shah <yash.shah@sifive.com>
-L: linux-edac@vger.kernel.org
-S: Supported
-F: drivers/edac/sifive_edac.c
-
EDAC-SKYLAKE
M: Tony Luck <tony.luck@intel.com>
L: linux-edac@vger.kernel.org
@@ -7183,7 +7182,7 @@ F: drivers/net/can/usb/etas_es58x/
ETHERNET BRIDGE
M: Roopa Prabhu <roopa@nvidia.com>
-M: Nikolay Aleksandrov <nikolay@nvidia.com>
+M: Nikolay Aleksandrov <razor@blackwall.org>
L: bridge@lists.linux-foundation.org (moderated for non-subscribers)
L: netdev@vger.kernel.org
S: Maintained
@@ -7576,6 +7575,12 @@ S: Maintained
W: http://floatingpoint.sourceforge.net/emulator/index.html
F: arch/x86/math-emu/
+FRAMEBUFFER CORE
+M: Daniel Vetter <daniel@ffwll.ch>
+F: drivers/video/fbdev/core/
+S: Odd Fixes
+T: git git://anongit.freedesktop.org/drm/drm-misc
+
FRAMEBUFFER LAYER
M: Helge Deller <deller@gmx.de>
L: linux-fbdev@vger.kernel.org
@@ -7739,8 +7744,7 @@ M: Qiang Zhao <qiang.zhao@nxp.com>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/soc/fsl/qe/
-F: include/soc/fsl/*qe*.h
-F: include/soc/fsl/*ucc*.h
+F: include/soc/fsl/qe/
FREESCALE QUICC ENGINE UCC ETHERNET DRIVER
M: Li Yang <leoyang.li@nxp.com>
@@ -7771,6 +7775,7 @@ F: Documentation/devicetree/bindings/misc/fsl,dpaa2-console.yaml
F: Documentation/devicetree/bindings/soc/fsl/
F: drivers/soc/fsl/
F: include/linux/fsl/
+F: include/soc/fsl/
FREESCALE SOC FS_ENET DRIVER
M: Pantelis Antoniou <pantelis.antoniou@gmail.com>
@@ -9253,6 +9258,15 @@ S: Maintained
W: https://github.com/o2genum/ideapad-slidebar
F: drivers/input/misc/ideapad_slidebar.c
+IDMAPPED MOUNTS
+M: Christian Brauner <brauner@kernel.org>
+L: linux-fsdevel@vger.kernel.org
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git
+F: Documentation/filesystems/idmappings.rst
+F: tools/testing/selftests/mount_setattr/
+F: include/linux/mnt_idmapping.h
+
IDT VersaClock 5 CLOCK DRIVER
M: Luca Ceresoli <luca@lucaceresoli.net>
S: Maintained
@@ -10880,6 +10894,12 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
F: drivers/ata/pata_arasan_cf.c
F: include/linux/pata_arasan_cf_data.h
+LIBATA PATA DRIVERS
+R: Sergey Shtylyov <s.shtylyov@omp.ru>
+L: linux-ide@vger.kernel.org
+F: drivers/ata/ata_*.c
+F: drivers/ata/pata_*.c
+
LIBATA PATA FARADAY FTIDE010 AND GEMINI SATA BRIDGE DRIVERS
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-ide@vger.kernel.org
@@ -12400,7 +12420,7 @@ F: include/uapi/linux/membarrier.h
F: kernel/sched/membarrier.c
MEMBLOCK
-M: Mike Rapoport <rppt@linux.ibm.com>
+M: Mike Rapoport <rppt@kernel.org>
L: linux-mm@kvack.org
S: Maintained
F: Documentation/core-api/boot-time-mm.rst
@@ -13298,8 +13318,8 @@ W: http://www.iptables.org/
W: http://www.nftables.org/
Q: http://patchwork.ozlabs.org/project/netfilter-devel/list/
C: irc://irc.libera.chat/netfilter
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next.git
F: include/linux/netfilter*
F: include/linux/netfilter/
F: include/net/netfilter/
@@ -13566,7 +13586,7 @@ F: tools/testing/selftests/nci/
NFS, SUNRPC, AND LOCKD CLIENTS
M: Trond Myklebust <trond.myklebust@hammerspace.com>
-M: Anna Schumaker <anna.schumaker@netapp.com>
+M: Anna Schumaker <anna@kernel.org>
L: linux-nfs@vger.kernel.org
S: Maintained
W: http://client.linux-nfs.org
@@ -13679,7 +13699,7 @@ F: scripts/nsdeps
NTB AMD DRIVER
M: Sanjay R Mehta <sanju.mehta@amd.com>
M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
-L: linux-ntb@googlegroups.com
+L: ntb@lists.linux.dev
S: Supported
F: drivers/ntb/hw/amd/
@@ -13687,7 +13707,7 @@ NTB DRIVER CORE
M: Jon Mason <jdmason@kudzu.us>
M: Dave Jiang <dave.jiang@intel.com>
M: Allen Hubbe <allenbh@gmail.com>
-L: linux-ntb@googlegroups.com
+L: ntb@lists.linux.dev
S: Supported
W: https://github.com/jonmason/ntb/wiki
T: git git://github.com/jonmason/ntb.git
@@ -13699,13 +13719,13 @@ F: tools/testing/selftests/ntb/
NTB IDT DRIVER
M: Serge Semin <fancer.lancer@gmail.com>
-L: linux-ntb@googlegroups.com
+L: ntb@lists.linux.dev
S: Supported
F: drivers/ntb/hw/idt/
NTB INTEL DRIVER
M: Dave Jiang <dave.jiang@intel.com>
-L: linux-ntb@googlegroups.com
+L: ntb@lists.linux.dev
S: Supported
W: https://github.com/davejiang/linux/wiki
T: git https://github.com/davejiang/linux.git
@@ -14384,6 +14404,7 @@ M: Rob Herring <robh+dt@kernel.org>
M: Frank Rowand <frowand.list@gmail.com>
L: devicetree@vger.kernel.org
S: Maintained
+C: irc://irc.libera.chat/devicetree
W: http://www.devicetree.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
F: Documentation/ABI/testing/sysfs-firmware-ofw
@@ -14395,6 +14416,7 @@ OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
M: Rob Herring <robh+dt@kernel.org>
L: devicetree@vger.kernel.org
S: Maintained
+C: irc://irc.libera.chat/devicetree
Q: http://patchwork.ozlabs.org/project/devicetree-bindings/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
F: Documentation/devicetree/
@@ -15128,7 +15150,7 @@ M: Ingo Molnar <mingo@redhat.com>
M: Arnaldo Carvalho de Melo <acme@kernel.org>
R: Mark Rutland <mark.rutland@arm.com>
R: Alexander Shishkin <alexander.shishkin@linux.intel.com>
-R: Jiri Olsa <jolsa@redhat.com>
+R: Jiri Olsa <jolsa@kernel.org>
R: Namhyung Kim <namhyung@kernel.org>
L: linux-perf-users@vger.kernel.org
L: linux-kernel@vger.kernel.org
@@ -15285,9 +15307,11 @@ PIN CONTROLLER - SAMSUNG
M: Tomasz Figa <tomasz.figa@gmail.com>
M: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
+R: Alim Akhtar <alim.akhtar@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org
S: Maintained
+C: irc://irc.libera.chat/linux-exynos
Q: https://patchwork.kernel.org/project/linux-samsung-soc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git
F: Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
@@ -15544,6 +15568,7 @@ M: Iurii Zaikin <yzaikin@google.com>
L: linux-kernel@vger.kernel.org
L: linux-fsdevel@vger.kernel.org
S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-next
F: fs/proc/proc_sysctl.c
F: include/linux/sysctl.h
F: kernel/sysctl-test.c
@@ -15891,6 +15916,7 @@ S: Supported
W: https://wireless.wiki.kernel.org/en/users/Drivers/ath10k
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
F: drivers/net/wireless/ath/ath10k/
+F: Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
QUALCOMM ATHEROS ATH11K WIRELESS DRIVER
M: Kalle Valo <kvalo@kernel.org>
@@ -15898,11 +15924,12 @@ L: ath11k@lists.infradead.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
F: drivers/net/wireless/ath/ath11k/
+F: Documentation/devicetree/bindings/net/wireless/qcom,ath11k.txt
QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
-M: ath9k-devel@qca.qualcomm.com
+M: Toke Høiland-Jørgensen <toke@toke.dk>
L: linux-wireless@vger.kernel.org
-S: Supported
+S: Maintained
W: https://wireless.wiki.kernel.org/en/users/Drivers/ath9k
F: Documentation/devicetree/bindings/net/wireless/qca,ath9k.yaml
F: drivers/net/wireless/ath/ath9k/
@@ -15977,14 +16004,6 @@ F: Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
F: drivers/misc/fastrpc.c
F: include/uapi/misc/fastrpc.h
-QUALCOMM GENERIC INTERFACE I2C DRIVER
-M: Akash Asthana <akashast@codeaurora.org>
-M: Mukesh Savaliya <msavaliy@codeaurora.org>
-L: linux-i2c@vger.kernel.org
-L: linux-arm-msm@vger.kernel.org
-S: Supported
-F: drivers/i2c/busses/i2c-qcom-geni.c
-
QUALCOMM HEXAGON ARCHITECTURE
M: Brian Cain <bcain@codeaurora.org>
L: linux-hexagon@vger.kernel.org
@@ -16056,8 +16075,8 @@ F: Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
F: drivers/mtd/nand/raw/qcom_nandc.c
QUALCOMM RMNET DRIVER
-M: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
-M: Sean Tranchetti <stranche@codeaurora.org>
+M: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
+M: Sean Tranchetti <quic_stranche@quicinc.com>
L: netdev@vger.kernel.org
S: Maintained
F: Documentation/networking/device_drivers/cellular/qualcomm/rmnet.rst
@@ -16083,11 +16102,10 @@ F: Documentation/devicetree/bindings/media/*venus*
F: drivers/media/platform/qcom/venus/
QUALCOMM WCN36XX WIRELESS DRIVER
-M: Kalle Valo <kvalo@kernel.org>
+M: Loic Poulain <loic.poulain@linaro.org>
L: wcn36xx@lists.infradead.org
S: Supported
W: https://wireless.wiki.kernel.org/en/users/Drivers/wcn36xx
-T: git git://github.com/KrasnikovEugene/wcn36xx.git
F: drivers/net/wireless/ath/wcn36xx/
QUANTENNA QTNFMAC WIRELESS DRIVER
@@ -16350,6 +16368,7 @@ F: drivers/watchdog/realtek_otto_wdt.c
REALTEK RTL83xx SMI DSA ROUTER CHIPS
M: Linus Walleij <linus.walleij@linaro.org>
+M: Alvin Šipraga <alsi@bang-olufsen.dk>
S: Maintained
F: Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
F: drivers/net/dsa/realtek-smi*
@@ -16469,6 +16488,14 @@ F: Documentation/devicetree/bindings/i2c/renesas,rmobile-iic.yaml
F: drivers/i2c/busses/i2c-rcar.c
F: drivers/i2c/busses/i2c-sh_mobile.c
+RENESAS R-CAR SATA DRIVER
+R: Sergey Shtylyov <s.shtylyov@omp.ru>
+S: Supported
+L: linux-ide@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+F: Documentation/devicetree/bindings/ata/renesas,rcar-sata.yaml
+F: drivers/ata/sata_rcar.c
+
RENESAS R-CAR THERMAL DRIVERS
M: Niklas Söderlund <niklas.soderlund@ragnatech.se>
L: linux-renesas-soc@vger.kernel.org
@@ -16804,8 +16831,8 @@ F: drivers/video/fbdev/savage/
S390
M: Heiko Carstens <hca@linux.ibm.com>
M: Vasily Gorbik <gor@linux.ibm.com>
-M: Christian Borntraeger <borntraeger@linux.ibm.com>
-R: Alexander Gordeev <agordeev@linux.ibm.com>
+M: Alexander Gordeev <agordeev@linux.ibm.com>
+R: Christian Borntraeger <borntraeger@linux.ibm.com>
R: Sven Schnelle <svens@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
@@ -17076,6 +17103,7 @@ SAMSUNG SOC CLOCK DRIVERS
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
M: Tomasz Figa <tomasz.figa@gmail.com>
M: Chanwoo Choi <cw00.choi@samsung.com>
+R: Alim Akhtar <alim.akhtar@samsung.com>
L: linux-samsung-soc@vger.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk.git
@@ -17712,6 +17740,21 @@ S: Maintained
W: http://www.winischhofer.at/linuxsisusbvga.shtml
F: drivers/usb/misc/sisusbvga/
+SL28 CPLD MFD DRIVER
+M: Michael Walle <michael@walle.cc>
+S: Maintained
+F: Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
+F: Documentation/devicetree/bindings/hwmon/kontron,sl28cpld-hwmon.yaml
+F: Documentation/devicetree/bindings/interrupt-controller/kontron,sl28cpld-intc.yaml
+F: Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml
+F: Documentation/devicetree/bindings/pwm/kontron,sl28cpld-pwm.yaml
+F: Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
+F: drivers/gpio/gpio-sl28cpld.c
+F: drivers/hwmon/sl28cpld-hwmon.c
+F: drivers/irqchip/irq-sl28cpld.c
+F: drivers/pwm/pwm-sl28cpld.c
+F: drivers/watchdog/sl28cpld_wdt.c
+
SLAB ALLOCATOR
M: Christoph Lameter <cl@linux.com>
M: Pekka Enberg <penberg@kernel.org>
@@ -17719,8 +17762,10 @@ M: David Rientjes <rientjes@google.com>
M: Joonsoo Kim <iamjoonsoo.kim@lge.com>
M: Andrew Morton <akpm@linux-foundation.org>
M: Vlastimil Babka <vbabka@suse.cz>
+R: Roman Gushchin <roman.gushchin@linux.dev>
L: linux-mm@kvack.org
S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git
F: include/linux/sl?b*.h
F: mm/sl?b*
@@ -18428,7 +18473,7 @@ F: Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
F: sound/soc/sti/
STI CEC DRIVER
-M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
+M: Alain Volmat <alain.volmat@foss.st.com>
S: Maintained
F: Documentation/devicetree/bindings/media/stih-cec.txt
F: drivers/media/cec/platform/sti/
@@ -19582,6 +19627,14 @@ F: Documentation/trace/timerlat-tracer.rst
F: Documentation/trace/hwlat_detector.rst
F: arch/*/kernel/trace.c
+Real-time Linux Analysis (RTLA) tools
+M: Daniel Bristot de Oliveira <bristot@kernel.org>
+M: Steven Rostedt <rostedt@goodmis.org>
+L: linux-trace-devel@vger.kernel.org
+S: Maintained
+F: Documentation/tools/rtla/
+F: tools/tracing/rtla/
+
TRADITIONAL CHINESE DOCUMENTATION
M: Hu Haowen <src.res@email.cn>
L: linux-doc-tw-discuss@lists.sourceforge.net
@@ -21415,7 +21468,6 @@ THE REST
M: Linus Torvalds <torvalds@linux-foundation.org>
L: linux-kernel@vger.kernel.org
S: Buried alive in reporters
-Q: http://patchwork.kernel.org/project/LKML/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
F: *
F: */
diff --git a/Makefile b/Makefile
index 1fc3491096cb..daeb5c88b50b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
VERSION = 5
PATCHLEVEL = 17
SUBLEVEL = 0
-EXTRAVERSION = -rc2
-NAME = Gobble Gobble
+EXTRAVERSION = -rc6
+NAME = Superb Owl
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 235ad559acb2..e41eca79c950 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -806,6 +806,7 @@ dtb-$(CONFIG_ARCH_OMAP3) += \
logicpd-som-lv-37xx-devkit.dtb \
omap3430-sdp.dtb \
omap3-beagle.dtb \
+ omap3-beagle-ab4.dtb \
omap3-beagle-xm.dtb \
omap3-beagle-xm-ab.dtb \
omap3-cm-t3517.dtb \
diff --git a/arch/arm/boot/dts/am335x-wega.dtsi b/arch/arm/boot/dts/am335x-wega.dtsi
index 673159d93a6a..f957fea8208e 100644
--- a/arch/arm/boot/dts/am335x-wega.dtsi
+++ b/arch/arm/boot/dts/am335x-wega.dtsi
@@ -55,7 +55,7 @@
2 1 0 0 /* # 0: INACTIVE, 1: TX, 2: RX */
>;
tx-num-evt = <16>;
- rt-num-evt = <16>;
+ rx-num-evt = <16>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 6b485cbed8d5..42bff117656c 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -160,7 +160,7 @@
target-module@48210000 {
compatible = "ti,sysc-omap4-simple", "ti,sysc";
power-domains = <&prm_mpu>;
- clocks = <&mpu_clkctrl DRA7_MPU_CLKCTRL 0>;
+ clocks = <&mpu_clkctrl DRA7_MPU_MPU_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
@@ -875,10 +875,10 @@
<0x58000014 4>;
reg-names = "rev", "syss";
ti,syss-mask = <1>;
- clocks = <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 0>,
- <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 9>,
- <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 10>,
- <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 11>;
+ clocks = <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 0>,
+ <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 9>,
+ <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 10>,
+ <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 11>;
clock-names = "fck", "hdmi_clk", "sys_clk", "tv_clk";
#address-cells = <1>;
#size-cells = <1>;
@@ -912,7 +912,7 @@
SYSC_OMAP2_SOFTRESET |
SYSC_OMAP2_AUTOIDLE)>;
ti,syss-mask = <1>;
- clocks = <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 8>;
+ clocks = <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 8>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
@@ -939,8 +939,8 @@
<SYSC_IDLE_SMART>,
<SYSC_IDLE_SMART_WKUP>;
ti,sysc-mask = <(SYSC_OMAP4_SOFTRESET)>;
- clocks = <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 9>,
- <&dss_clkctrl DRA7_DSS_CORE_CLKCTRL 8>;
+ clocks = <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 9>,
+ <&dss_clkctrl DRA7_DSS_DSS_CORE_CLKCTRL 8>;
clock-names = "fck", "dss_clk";
#address-cells = <1>;
#size-cells = <1>;
@@ -979,7 +979,7 @@
compatible = "vivante,gc";
reg = <0x0 0x700>;
interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&dss_clkctrl DRA7_BB2D_CLKCTRL 0>;
+ clocks = <&dss_clkctrl DRA7_DSS_BB2D_CLKCTRL 0>;
clock-names = "core";
};
};
@@ -1333,7 +1333,7 @@
ti,no-reset-on-init;
ti,no-idle;
timer@0 {
- assigned-clocks = <&wkupaon_clkctrl DRA7_TIMER1_CLKCTRL 24>;
+ assigned-clocks = <&wkupaon_clkctrl DRA7_WKUPAON_TIMER1_CLKCTRL 24>;
assigned-clock-parents = <&sys_32k_ck>;
};
};
diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index 8cbaf1c81174..3b609d987d88 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -79,7 +79,6 @@
MX23_PAD_LCD_RESET__GPIO_1_18
MX23_PAD_PWM3__GPIO_1_29
MX23_PAD_PWM4__GPIO_1_30
- MX23_PAD_SSP1_DETECT__SSP1_DETECT
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
diff --git a/arch/arm/boot/dts/imx6qdl-udoo.dtsi b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
index d07d8f83456d..ccfa8e320be6 100644
--- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
@@ -5,6 +5,8 @@
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*/
+#include <dt-bindings/gpio/gpio.h>
+
/ {
aliases {
backlight = &backlight;
@@ -226,6 +228,7 @@
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
+ MX6QDL_PAD_SD3_DAT5__GPIO7_IO00 0x1b0b0
>;
};
@@ -304,7 +307,7 @@
&usdhc3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc3>;
- non-removable;
+ cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi
index b7ea37ad4e55..bcec98b96411 100644
--- a/arch/arm/boot/dts/imx7ulp.dtsi
+++ b/arch/arm/boot/dts/imx7ulp.dtsi
@@ -259,7 +259,7 @@
interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
assigned-clocks = <&pcc2 IMX7ULP_CLK_WDG1>;
- assigned-clocks-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
+ assigned-clock-parents = <&scg1 IMX7ULP_CLK_FIRC_BUS_CLK>;
timeout-sec = <40>;
};
diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 3be7cba603d5..26eaba3fa96f 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi
@@ -59,7 +59,7 @@
};
uart_A: serial@84c0 {
- compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+ compatible = "amlogic,meson6-uart";
reg = <0x84c0 0x18>;
interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
fifo-size = <128>;
@@ -67,7 +67,7 @@
};
uart_B: serial@84dc {
- compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+ compatible = "amlogic,meson6-uart";
reg = <0x84dc 0x18>;
interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
@@ -105,7 +105,7 @@
};
uart_C: serial@8700 {
- compatible = "amlogic,meson6-uart", "amlogic,meson-uart";
+ compatible = "amlogic,meson6-uart";
reg = <0x8700 0x18>;
interrupts = <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
@@ -228,7 +228,7 @@
};
uart_AO: serial@4c0 {
- compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart", "amlogic,meson-uart";
+ compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart";
reg = <0x4c0 0x18>;
interrupts = <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index f80ddc98d3a2..9997a5d0333a 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -736,27 +736,27 @@
};
&uart_AO {
- compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_CLK81>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8-uart", "amlogic,meson-ao-uart";
+ clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_A {
- compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART0>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_B {
- compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART1>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_C {
- compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART2>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&usb0 {
diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index b49b7cbaed4e..94f1c03decce 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -724,27 +724,27 @@
};
&uart_AO {
- compatible = "amlogic,meson8b-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_CLK81>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8b-uart", "amlogic,meson-ao-uart";
+ clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_A {
- compatible = "amlogic,meson8b-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART0>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8b-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_B {
- compatible = "amlogic,meson8b-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART1>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8b-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&uart_C {
- compatible = "amlogic,meson8b-uart", "amlogic,meson-uart";
- clocks = <&clkc CLKID_CLK81>, <&xtal>, <&clkc CLKID_UART2>;
- clock-names = "baud", "xtal", "pclk";
+ compatible = "amlogic,meson8b-uart";
+ clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+ clock-names = "xtal", "pclk", "baud";
};
&usb0 {
diff --git a/arch/arm/boot/dts/omap3-beagle-ab4.dts b/arch/arm/boot/dts/omap3-beagle-ab4.dts
new file mode 100644
index 000000000000..990ff2d84686
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-beagle-ab4.dts
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/dts-v1/;
+
+#include "omap3-beagle.dts"
+
+/ {
+ model = "TI OMAP3 BeagleBoard A to B4";
+ compatible = "ti,omap3-beagle-ab4", "ti,omap3-beagle", "ti,omap3430", "ti,omap3";
+};
+
+/*
+ * Workaround for capacitor C70 issue, see "Boards revision A and < B5"
+ * section at https://elinux.org/BeagleBoard_Community
+ */
+
+/* Unusable as clocksource because of unreliable oscillator */
+&counter32k {
+ status = "disabled";
+};
+
+/* Unusable as clockevent because of unreliable oscillator, allow to idle */
+&timer1_target {
+ /delete-property/ti,no-reset-on-init;
+ /delete-property/ti,no-idle;
+ timer@0 {
+ /delete-property/ti,timer-alwon;
+ };
+};
+
+/* Preferred always-on timer for clocksource */
+&timer12_target {
+ ti,no-reset-on-init;
+ ti,no-idle;
+ timer@0 {
+ /* Always clocked by secure_32k_fck */
+ };
+};
+
+/* Preferred timer for clockevent */
+&timer2_target {
+ ti,no-reset-on-init;
+ ti,no-idle;
+ timer@0 {
+ assigned-clocks = <&gpt2_fck>;
+ assigned-clock-parents = <&sys_ck>;
+ };
+};
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index f9f34b8458e9..0548b391334f 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -304,39 +304,6 @@
phys = <0 &hsusb2_phy>;
};
-/* Unusable as clocksource because of unreliable oscillator */
-&counter32k {
- status = "disabled";
-};
-
-/* Unusable as clockevent because if unreliable oscillator, allow to idle */
-&timer1_target {
- /delete-property/ti,no-reset-on-init;
- /delete-property/ti,no-idle;
- timer@0 {
- /delete-property/ti,timer-alwon;
- };
-};
-
-/* Preferred always-on timer for clocksource */
-&timer12_target {
- ti,no-reset-on-init;
- ti,no-idle;
- timer@0 {
- /* Always clocked by secure_32k_fck */
- };
-};
-
-/* Preferred timer for clockevent */
-&timer2_target {
- ti,no-reset-on-init;
- ti,no-idle;
- timer@0 {
- assigned-clocks = <&gpt2_fck>;
- assigned-clock-parents = <&sys_ck>;
- };
-};
-
&twl_gpio {
ti,use-leds;
/* pullups: BIT(1) */
diff --git a/arch/arm/boot/dts/omap3-devkit8000-common.dtsi b/arch/arm/boot/dts/omap3-devkit8000-common.dtsi
index 5e55198e4576..54cd37336be7 100644
--- a/arch/arm/boot/dts/omap3-devkit8000-common.dtsi
+++ b/arch/arm/boot/dts/omap3-devkit8000-common.dtsi
@@ -158,6 +158,24 @@
status = "disabled";
};
+/* Unusable as clockevent because if unreliable oscillator, allow to idle */
+&timer1_target {
+ /delete-property/ti,no-reset-on-init;
+ /delete-property/ti,no-idle;
+ timer@0 {
+ /delete-property/ti,timer-alwon;
+ };
+};
+
+/* Preferred timer for clockevent */
+&timer12_target {
+ ti,no-reset-on-init;
+ ti,no-idle;
+ timer@0 {
+ /* Always clocked by secure_32k_fck */
+ };
+};
+
&twl_gpio {
ti,use-leds;
/*
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index c2995a280729..162d0726b008 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -14,36 +14,3 @@
display2 = &tv0;
};
};
-
-/* Unusable as clocksource because of unreliable oscillator */
-&counter32k {
- status = "disabled";
-};
-
-/* Unusable as clockevent because if unreliable oscillator, allow to idle */
-&timer1_target {
- /delete-property/ti,no-reset-on-init;
- /delete-property/ti,no-idle;
- timer@0 {
- /delete-property/ti,timer-alwon;
- };
-};
-
-/* Preferred always-on timer for clocksource */
-&timer12_target {
- ti,no-reset-on-init;
- ti,no-idle;
- timer@0 {
- /* Always clocked by secure_32k_fck */
- };
-};
-
-/* Preferred timer for clockevent */
-&timer2_target {
- ti,no-reset-on-init;
- ti,no-idle;
- timer@0 {
- assigned-clocks = <&gpt2_fck>;
- assigned-clock-parents = <&sys_ck>;
- };
-};
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 8eed9e3a92e9..5868eb512f69 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -718,8 +718,8 @@
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
assigned-clocks = <&cru SCLK_HDMI_PHY>;
assigned-clock-parents = <&hdmi_phy>;
- clocks = <&cru SCLK_HDMI_HDCP>, <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_CEC>;
- clock-names = "isfr", "iahb", "cec";
+ clocks = <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>, <&cru SCLK_HDMI_CEC>;
+ clock-names = "iahb", "isfr", "cec";
pinctrl-names = "default";
pinctrl-0 = <&hdmii2c_xfer &hdmi_hpd &hdmi_cec>;
resets = <&cru SRST_HDMI_P>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index aaaa61875701..45a9d9b908d2 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -971,7 +971,7 @@
status = "disabled";
};
- crypto: cypto-controller@ff8a0000 {
+ crypto: crypto@ff8a0000 {
compatible = "rockchip,rk3288-crypto";
reg = <0x0 0xff8a0000 0x0 0x4000>;
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm/boot/dts/spear320-hmi.dts b/arch/arm/boot/dts/spear320-hmi.dts
index 367ba48aac3e..b587e4ec11e5 100644
--- a/arch/arm/boot/dts/spear320-hmi.dts
+++ b/arch/arm/boot/dts/spear320-hmi.dts
@@ -235,7 +235,6 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0x41>;
- irq-over-gpio;
irq-gpios = <&gpiopinctrl 29 0x4>;
id = <0>;
blocks = <0x5>;
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
index 580ca497f312..f8c5899fbdba 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts
@@ -185,10 +185,6 @@
cap-sd-highspeed;
cap-mmc-highspeed;
/* All direction control is used */
- st,sig-dir-cmd;
- st,sig-dir-dat0;
- st,sig-dir-dat2;
- st,sig-dir-dat31;
st,sig-pin-fbclk;
full-pwr-cycle;
vmmc-supply = <&ab8500_ldo_aux3_reg>;
diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts b/arch/arm/boot/dts/tegra124-nyan-big.dts
index 1d2aac2cb6d0..fdc1d64dfff9 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
@@ -13,12 +13,15 @@
"google,nyan-big-rev1", "google,nyan-big-rev0",
"google,nyan-big", "google,nyan", "nvidia,tegra124";
- panel: panel {
- compatible = "auo,b133xtn01";
-
- power-supply = <&vdd_3v3_panel>;
- backlight = <&backlight>;
- ddc-i2c-bus = <&dpaux>;
+ host1x@50000000 {
+ dpaux@545c0000 {
+ aux-bus {
+ panel: panel {
+ compatible = "auo,b133xtn01";
+ backlight = <&backlight>;
+ };
+ };
+ };
};
mmc@700b0400 { /* SD Card on this bus */
diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze.dts b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
index 677babde6460..abdf4456826f 100644
--- a/arch/arm/boot/dts/tegra124-nyan-blaze.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
@@ -15,12 +15,15 @@
"google,nyan-blaze-rev0", "google,nyan-blaze",
"google,nyan", "nvidia,tegra124";
- panel: panel {
- compatible = "samsung,ltn140at29-301";
-
- power-supply = <&vdd_3v3_panel>;
- backlight = <&backlight>;
- ddc-i2c-bus = <&dpaux>;
+ host1x@50000000 {
+ dpaux@545c0000 {
+ aux-bus {
+ panel: panel {
+ compatible = "samsung,ltn140at29-301";
+ backlight = <&backlight>;
+ };
+ };
+ };
};
sound {
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 232c90604df9..6a9592ceb5f2 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -48,6 +48,13 @@
dpaux@545c0000 {
vdd-supply = <&vdd_3v3_panel>;
status = "okay";
+
+ aux-bus {
+ panel: panel {
+ compatible = "lg,lp129qe";
+ backlight = <&backlight>;
+ };
+ };
};
};
@@ -1080,13 +1087,6 @@
};
};
- panel: panel {
- compatible = "lg,lp129qe";
- power-supply = <&vdd_3v3_panel>;
- backlight = <&backlight>;
- ddc-i2c-bus = <&dpaux>;
- };
-
vdd_mux: regulator-mux {
compatible = "regulator-fixed";
regulator-name = "+VDD_MUX";
diff --git a/arch/arm/crypto/blake2s-shash.c b/arch/arm/crypto/blake2s-shash.c
index 17c1c3bfe2f5..763c73beea2d 100644
--- a/arch/arm/crypto/blake2s-shash.c
+++ b/arch/arm/crypto/blake2s-shash.c
@@ -13,12 +13,12 @@
static int crypto_blake2s_update_arm(struct shash_desc *desc,
const u8 *in, unsigned int inlen)
{
- return crypto_blake2s_update(desc, in, inlen, blake2s_compress);
+ return crypto_blake2s_update(desc, in, inlen, false);
}
static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
{
- return crypto_blake2s_final(desc, out, blake2s_compress);
+ return crypto_blake2s_final(desc, out, false);
}
#define BLAKE2S_ALG(name, driver_name, digest_size) \
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index 7bd30c0a4280..22f937e6f3ff 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -154,22 +154,38 @@ static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int instr)
return 0;
}
-static struct undef_hook kgdb_brkpt_hook = {
+static struct undef_hook kgdb_brkpt_arm_hook = {
.instr_mask = 0xffffffff,
.instr_val = KGDB_BREAKINST,
- .cpsr_mask = MODE_MASK,
+ .cpsr_mask = PSR_T_BIT | MODE_MASK,
.cpsr_val = SVC_MODE,
.fn = kgdb_brk_fn
};
-static struct undef_hook kgdb_compiled_brkpt_hook = {
+static struct undef_hook kgdb_brkpt_thumb_hook = {
+ .instr_mask = 0xffff,
+ .instr_val = KGDB_BREAKINST & 0xffff,
+ .cpsr_mask = PSR_T_BIT | MODE_MASK,
+ .cpsr_val = PSR_T_BIT | SVC_MODE,
+ .fn = kgdb_brk_fn
+};
+
+static struct undef_hook kgdb_compiled_brkpt_arm_hook = {
.instr_mask = 0xffffffff,
.instr_val = KGDB_COMPILED_BREAK,
- .cpsr_mask = MODE_MASK,
+ .cpsr_mask = PSR_T_BIT | MODE_MASK,
.cpsr_val = SVC_MODE,
.fn = kgdb_compiled_brk_fn
};
+static struct undef_hook kgdb_compiled_brkpt_thumb_hook = {
+ .instr_mask = 0xffff,
+ .instr_val = KGDB_COMPILED_BREAK & 0xffff,
+ .cpsr_mask = PSR_T_BIT | MODE_MASK,
+ .cpsr_val = PSR_T_BIT | SVC_MODE,
+ .fn = kgdb_compiled_brk_fn
+};
+
static int __kgdb_notify(struct die_args *args, unsigned long cmd)
{
struct pt_regs *regs = args->regs;
@@ -210,8 +226,10 @@ int kgdb_arch_init(void)
if (ret != 0)
return ret;
- register_undef_hook(&kgdb_brkpt_hook);
- register_undef_hook(&kgdb_compiled_brkpt_hook);
+ register_undef_hook(&kgdb_brkpt_arm_hook);
+ register_undef_hook(&kgdb_brkpt_thumb_hook);
+ register_undef_hook(&kgdb_compiled_brkpt_arm_hook);
+ register_undef_hook(&kgdb_compiled_brkpt_thumb_hook);
return 0;
}
@@ -224,8 +242,10 @@ int kgdb_arch_init(void)
*/
void kgdb_arch_exit(void)
{
- unregister_undef_hook(&kgdb_brkpt_hook);
- unregister_undef_hook(&kgdb_compiled_brkpt_hook);
+ unregister_undef_hook(&kgdb_brkpt_arm_hook);
+ unregister_undef_hook(&kgdb_brkpt_thumb_hook);
+ unregister_undef_hook(&kgdb_compiled_brkpt_arm_hook);
+ unregister_undef_hook(&kgdb_compiled_brkpt_thumb_hook);
unregister_die_notifier(&kgdb_notifier);
}
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 6daaa645ae5d..21413a9b7b6c 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -263,9 +263,9 @@ static int __init omapdss_init_of(void)
}
r = of_platform_populate(node, NULL, NULL, &pdev->dev);
+ put_device(&pdev->dev);
if (r) {
pr_err("Unable to populate DSS submodule devices\n");
- put_device(&pdev->dev);
return r;
}
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index ccb0e3732c0d..31d1a21f6041 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -752,8 +752,10 @@ static int __init _init_clkctrl_providers(void)
for_each_matching_node(np, ti_clkctrl_match_table) {
ret = _setup_clkctrl_provider(np);
- if (ret)
+ if (ret) {
+ of_node_put(np);
break;
+ }
}
return ret;
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index 43ddec677c0b..594edf9bbea4 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -2,6 +2,7 @@
menuconfig ARCH_INTEL_SOCFPGA
bool "Altera SOCFPGA family"
depends on ARCH_MULTI_V7
+ select ARCH_HAS_RESET_CONTROLLER
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_GIC
@@ -18,6 +19,7 @@ menuconfig ARCH_INTEL_SOCFPGA
select PL310_ERRATA_727915
select PL310_ERRATA_753970 if PL310
select PL310_ERRATA_769419
+ select RESET_CONTROLLER
if ARCH_INTEL_SOCFPGA
config SOCFPGA_SUSPEND
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 274e4f73fd33..5e2be37a198e 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -212,12 +212,14 @@ early_param("ecc", early_ecc);
static int __init early_cachepolicy(char *p)
{
pr_warn("cachepolicy kernel parameter not supported without cp15\n");
+ return 0;
}
early_param("cachepolicy", early_cachepolicy);
static int __init noalign_setup(char *__unused)
{
pr_warn("noalign kernel parameter not supported without cp15\n");
+ return 1;
}
__setup("noalign", noalign_setup);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index f2b5a4abef21..09b885cc4db5 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -672,6 +672,7 @@ config ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE
config ARM64_ERRATUM_2051678
bool "Cortex-A510: 2051678: disable Hardware Update of the page table dirty bit"
+ default y
help
This options adds the workaround for ARM Cortex-A510 erratum ARM64_ERRATUM_2051678.
Affected Coretex-A510 might not respect the ordering rules for
@@ -680,6 +681,22 @@ config ARM64_ERRATUM_2051678
If unsure, say Y.
+config ARM64_ERRATUM_2077057
+ bool "Cortex-A510: 2077057: workaround software-step corrupting SPSR_EL2"
+ help
+ This option adds the workaround for ARM Cortex-A510 erratum 2077057.
+ Affected Cortex-A510 may corrupt SPSR_EL2 when the a step exception is
+ expected, but a Pointer Authentication trap is taken instead. The
+ erratum causes SPSR_EL1 to be copied to SPSR_EL2, which could allow
+ EL1 to cause a return to EL2 with a guest controlled ELR_EL2.
+
+ This can only happen when EL2 is stepping EL1.
+
+ When these conditions occur, the SPSR_EL2 value is unchanged from the
+ previous guest entry, and can be restored from the in-memory copy.
+
+ If unsure, say Y.
+
config ARM64_ERRATUM_2119858
bool "Cortex-A710/X2: 2119858: workaround TRBE overwriting trace data in FILL mode"
default y
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 7d5d58800170..21697449d762 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -309,9 +309,6 @@ config ARCH_VISCONTI
help
This enables support for Toshiba Visconti SoCs Family.
-config ARCH_VULCAN
- def_bool n
-
config ARCH_XGENE
bool "AppliedMicro X-Gene SOC Family"
help
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 517519e6e87f..f84d4b489e0b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -107,6 +107,12 @@
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon@5300000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
index d8838dde0f0f..4fb31c2ba31c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
@@ -157,14 +157,6 @@
regulator-always-on;
};
- reserved-memory {
- /* TEE Reserved Memory */
- bl32_reserved: bl32@5000000 {
- reg = <0x0 0x05300000 0x0 0x2000000>;
- no-map;
- };
- };
-
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 3e968b244191..fd3fa82e4c33 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -17,7 +17,7 @@
rtc1 = &vrtc;
};
- dioo2133: audio-amplifier-0 {
+ dio2133: audio-amplifier-0 {
compatible = "simple-audio-amplifier";
enable-gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
VCC-supply = <&vcc_5v>;
@@ -219,7 +219,7 @@
audio-widgets = "Line", "Lineout";
audio-aux-devs = <&tdmout_b>, <&tdmout_c>, <&tdmin_a>,
<&tdmin_b>, <&tdmin_c>, <&tdmin_lb>,
- <&dioo2133>;
+ <&dio2133>;
audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
"TDMOUT_B IN 1", "FRDDR_B OUT 1",
"TDMOUT_B IN 2", "FRDDR_C OUT 1",
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 6b457b2c30a4..aa14ea017a61 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -49,6 +49,12 @@
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon@5300000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
index 212c6aa5a3b8..5751c48620ed 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
@@ -123,7 +123,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
- enable-gpio = <&gpio GPIOE_2 GPIO_ACTIVE_HIGH>;
+ enable-gpio = <&gpio_ao GPIOE_2 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
index 0bd1e98a0eef..ddb1b345397f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
@@ -48,7 +48,7 @@
regulator-max-microvolt = <3300000>;
vin-supply = <&vcc_5v>;
- enable-gpio = <&gpio GPIOE_2 GPIO_ACTIVE_HIGH>;
+ enable-gpio = <&gpio_ao GPIOE_2 GPIO_OPEN_DRAIN>;
enable-active-high;
regulator-always-on;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
index 427475846fc7..a5d79f2f7c19 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
@@ -203,14 +203,6 @@
regulator-always-on;
};
- reserved-memory {
- /* TEE Reserved Memory */
- bl32_reserved: bl32@5000000 {
- reg = <0x0 0x05300000 0x0 0x2000000>;
- no-map;
- };
- };
-
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 6288e104a089..a2635b14da30 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -543,8 +543,7 @@
<0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>,
<0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>;
/* Standard AXI Translation entries as programmed by EDK2 */
- dma-ranges = <0x02000000 0x0 0x2c1c0000 0x0 0x2c1c0000 0x0 0x00040000>,
- <0x02000000 0x0 0x80000000 0x0 0x80000000 0x0 0x80000000>,
+ dma-ranges = <0x02000000 0x0 0x80000000 0x0 0x80000000 0x0 0x80000000>,
<0x43000000 0x8 0x00000000 0x8 0x00000000 0x2 0x00000000>;
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 7>;
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
index d74e738e4070..c03f4e183389 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
@@ -157,6 +157,10 @@
};
};
+&ftm_alarm0 {
+ status = "okay";
+};
+
&gpio1 {
gpio-line-names =
"", "", "", "", "", "", "", "",
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index f77f90ed416f..0c7a72c51a31 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -707,7 +707,6 @@
clocks = <&clk IMX8MM_CLK_VPU_DEC_ROOT>;
assigned-clocks = <&clk IMX8MM_CLK_VPU_BUS>;
assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_800M>;
- resets = <&src IMX8MQ_RESET_VPU_RESET>;
};
pgc_vpu_g1: power-domain@7 {
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index f3e3418f7edc..2d4a472af6a9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1115,8 +1115,8 @@
status = "okay";
ports {
- port@1 {
- reg = <1>;
+ port@0 {
+ reg = <0>;
mipi1_sensor_ep: endpoint {
remote-endpoint = <&camera1_ep>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 2df2510d0118..e92ebb6147e6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -554,7 +554,7 @@
assigned-clock-rates = <0>, <0>, <0>, <594000000>;
status = "disabled";
- port@0 {
+ port {
lcdif_mipi_dsi: endpoint {
remote-endpoint = <&mipi_dsi_lcdif_in>;
};
@@ -1151,8 +1151,8 @@
#address-cells = <1>;
#size-cells = <0>;
- port@0 {
- reg = <0>;
+ port@1 {
+ reg = <1>;
csi1_mipi_ep: endpoint {
remote-endpoint = <&csi1_ep>;
@@ -1203,8 +1203,8 @@
#address-cells = <1>;
#size-cells = <0>;
- port@0 {
- reg = <0>;
+ port@1 {
+ reg = <1>;
csi2_mipi_ep: endpoint {
remote-endpoint = <&csi2_ep>;
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index a987ff7156bd..09f7364dd1d0 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -132,7 +132,7 @@
scmi_sensor: protocol@15 {
reg = <0x15>;
- #thermal-sensor-cells = <0>;
+ #thermal-sensor-cells = <1>;
};
};
};
diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
index f27e3c8de916..ce6d5bdba0a8 100644
--- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi
+++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi
@@ -91,7 +91,7 @@
sound {
compatible = "fsl,imx-audio-tlv320aic32x4";
- model = "tqm-tlv320aic32";
+ model = "imx-audio-tlv320aic32x4";
ssi-controller = <&sai3>;
audio-codec = <&tlv320aic3x04>;
};
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index 0dd2d2ee765a..f4270cf18996 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -502,7 +502,7 @@
};
usb0: usb@ffb00000 {
- compatible = "snps,dwc2";
+ compatible = "intel,socfpga-agilex-hsotg", "snps,dwc2";
reg = <0xffb00000 0x40000>;
interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy0>;
@@ -515,7 +515,7 @@
};
usb1: usb@ffb40000 {
- compatible = "snps,dwc2";
+ compatible = "intel,socfpga-agilex-hsotg", "snps,dwc2";
reg = <0xffb40000 0x40000>;
interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbphy0>;
diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi
index f972704dfe7a..56dfbb2e2fa6 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -711,7 +711,7 @@
clock-names = "pclk", "timer";
};
- dmac: dmac@ff240000 {
+ dmac: dma-controller@ff240000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0xff240000 0x0 0x4000>;
interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 39db0b85b4da..b822533dc7f1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -489,7 +489,7 @@
status = "disabled";
};
- dmac: dmac@ff1f0000 {
+ dmac: dma-controller@ff1f0000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0xff1f0000 0x0 0x4000>;
interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
index 45a5ae5d2027..162f08bca0d4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
@@ -286,7 +286,7 @@
sound: sound {
compatible = "rockchip,rk3399-gru-sound";
- rockchip,cpu = <&i2s0 &i2s2>;
+ rockchip,cpu = <&i2s0 &spdif>;
};
};
@@ -437,10 +437,6 @@ ap_i2c_audio: &i2c8 {
status = "okay";
};
-&i2s2 {
- status = "okay";
-};
-
&io_domains {
status = "okay";
@@ -537,6 +533,17 @@ ap_i2c_audio: &i2c8 {
vqmmc-supply = <&ppvar_sd_card_io>;
};
+&spdif {
+ status = "okay";
+
+ /*
+ * SPDIF is routed internally to DP; we either don't use these pins, or
+ * mux them to something else.
+ */
+ /delete-property/ pinctrl-0;
+ /delete-property/ pinctrl-names;
+};
+
&spi1 {
status = "okay";
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index 292bb7e80cf3..3ae5d727e367 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -232,6 +232,7 @@
&usbdrd_dwc3_0 {
dr_mode = "otg";
+ extcon = <&extcon_usb3>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index fb67db4619ea..08fa00364b42 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -25,6 +25,13 @@
};
};
+ extcon_usb3: extcon-usb3 {
+ compatible = "linux,extcon-usb-gpio";
+ id-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb3_id>;
+ };
+
clkin_gmac: external-gmac-clock {
compatible = "fixed-clock";
clock-frequency = <125000000>;
@@ -422,9 +429,22 @@
<4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ usb3 {
+ usb3_id: usb3-id {
+ rockchip,pins =
+ <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&sdhci {
+ /*
+ * Signal integrity isn't great at 200MHz but 100MHz has proven stable
+ * enough.
+ */
+ max-frequency = <100000000>;
+
bus-width = <8>;
mmc-hs400-1_8v;
mmc-hs400-enhanced-strobe;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index d3cdf6f42a30..080457a68e3c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1881,10 +1881,10 @@
interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&cru PCLK_HDMI_CTRL>,
<&cru SCLK_HDMI_SFR>,
- <&cru PLL_VPLL>,
+ <&cru SCLK_HDMI_CEC>,
<&cru PCLK_VIO_GRF>,
- <&cru SCLK_HDMI_CEC>;
- clock-names = "iahb", "isfr", "vpll", "grf", "cec";
+ <&cru PLL_VPLL>;
+ clock-names = "iahb", "isfr", "cec", "grf", "vpll";
power-domains = <&power RK3399_PD_HDCP>;
reg-io-width = <4>;
rockchip,grf = <&grf>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 166399b7f13f..d9eb92d59099 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -285,8 +285,6 @@
vcc_ddr: DCDC_REG3 {
regulator-always-on;
regulator-boot-on;
- regulator-min-microvolt = <1100000>;
- regulator-max-microvolt = <1100000>;
regulator-initial-mode = <0x2>;
regulator-name = "vcc_ddr";
regulator-state-mem {
diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 2fd313a295f8..d91df1cde736 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -32,13 +32,11 @@
clocks = <&cru SCLK_GMAC0>, <&cru SCLK_GMAC0_RX_TX>,
<&cru SCLK_GMAC0_RX_TX>, <&cru CLK_MAC0_REFOUT>,
<&cru ACLK_GMAC0>, <&cru PCLK_GMAC0>,
- <&cru SCLK_GMAC0_RX_TX>, <&cru CLK_GMAC0_PTP_REF>,
- <&cru PCLK_XPCS>;
+ <&cru SCLK_GMAC0_RX_TX>, <&cru CLK_GMAC0_PTP_REF>;
clock-names = "stmmaceth", "mac_clk_rx",
"mac_clk_tx", "clk_mac_refout",
"aclk_mac", "pclk_mac",
- "clk_mac_speed", "ptp_ref",
- "pclk_xpcs";
+ "clk_mac_speed", "ptp_ref";
resets = <&cru SRST_A_GMAC0>;
reset-names = "stmmaceth";
rockchip,grf = <&grf>;
diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index a68033a23975..8ccce54ee8e7 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -651,7 +651,7 @@
status = "disabled";
};
- dmac0: dmac@fe530000 {
+ dmac0: dma-controller@fe530000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0xfe530000 0x0 0x4000>;
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
@@ -662,7 +662,7 @@
#dma-cells = <1>;
};
- dmac1: dmac@fe550000 {
+ dmac1: dma-controller@fe550000 {
compatible = "arm,pl330", "arm,primecell";
reg = <0x0 0xfe550000 0x0 0x4000>;
interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index a5a24f9f46c5..b210cc07c539 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -15,8 +15,18 @@
model = "Texas Instruments J721S2 EVM";
chosen {
- stdout-path = "serial10:115200n8";
- bootargs = "console=ttyS10,115200n8 earlycon=ns16550a,mmio32,2880000";
+ stdout-path = "serial2:115200n8";
+ bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,2880000";
+ };
+
+ aliases {
+ serial1 = &mcu_uart0;
+ serial2 = &main_uart8;
+ mmc0 = &main_sdhci0;
+ mmc1 = &main_sdhci1;
+ can0 = &main_mcan16;
+ can1 = &mcu_mcan0;
+ can2 = &mcu_mcan1;
};
evm_12v0: fixedregulator-evm12v0 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2.dtsi
index 80d3cae03e88..fe5234c40f6c 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2.dtsi
@@ -21,28 +21,6 @@
#address-cells = <2>;
#size-cells = <2>;
- aliases {
- serial0 = &wkup_uart0;
- serial1 = &mcu_uart0;
- serial2 = &main_uart0;
- serial3 = &main_uart1;
- serial4 = &main_uart2;
- serial5 = &main_uart3;
- serial6 = &main_uart4;
- serial7 = &main_uart5;
- serial8 = &main_uart6;
- serial9 = &main_uart7;
- serial10 = &main_uart8;
- serial11 = &main_uart9;
- mmc0 = &main_sdhci0;
- mmc1 = &main_sdhci1;
- can0 = &main_mcan16;
- can1 = &mcu_mcan0;
- can2 = &mcu_mcan1;
- can3 = &main_mcan3;
- can4 = &main_mcan5;
- };
-
chosen { };
cpus {
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h
index 3198acb2aad8..7f3c87f7a0ce 100644
--- a/arch/arm64/include/asm/el2_setup.h
+++ b/arch/arm64/include/asm/el2_setup.h
@@ -106,7 +106,7 @@
msr_s SYS_ICC_SRE_EL2, x0
isb // Make sure SRE is now set
mrs_s x0, SYS_ICC_SRE_EL2 // Read SRE back,
- tbz x0, #0, 1f // and check that it sticks
+ tbz x0, #0, .Lskip_gicv3_\@ // and check that it sticks
msr_s SYS_ICH_HCR_EL2, xzr // Reset ICC_HCR_EL2 to defaults
.Lskip_gicv3_\@:
.endm
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 066098198c24..b217941713a8 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -600,6 +600,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
CAP_MIDR_RANGE_LIST(trbe_write_out_of_range_cpus),
},
#endif
+#ifdef CONFIG_ARM64_ERRATUM_2077057
+ {
+ .desc = "ARM erratum 2077057",
+ .capability = ARM64_WORKAROUND_2077057,
+ .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+ ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 2),
+ },
+#endif
#ifdef CONFIG_ARM64_ERRATUM_2064142
{
.desc = "ARM erratum 2064142",
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index a4a0063df456..ecc5958e27fe 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -797,6 +797,24 @@ static bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu, int *ret)
xfer_to_guest_mode_work_pending();
}
+/*
+ * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while
+ * the vCPU is running.
+ *
+ * This must be noinstr as instrumentation may make use of RCU, and this is not
+ * safe during the EQS.
+ */
+static int noinstr kvm_arm_vcpu_enter_exit(struct kvm_vcpu *vcpu)
+{
+ int ret;
+
+ guest_state_enter_irqoff();
+ ret = kvm_call_hyp_ret(__kvm_vcpu_run, vcpu);
+ guest_state_exit_irqoff();
+
+ return ret;
+}
+
/**
* kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
* @vcpu: The VCPU pointer
@@ -881,9 +899,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
* Enter the guest
*/
trace_kvm_entry(*vcpu_pc(vcpu));
- guest_enter_irqoff();
+ guest_timing_enter_irqoff();
- ret = kvm_call_hyp_ret(__kvm_vcpu_run, vcpu);
+ ret = kvm_arm_vcpu_enter_exit(vcpu);
vcpu->mode = OUTSIDE_GUEST_MODE;
vcpu->stat.exits++;
@@ -918,26 +936,23 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
kvm_arch_vcpu_ctxsync_fp(vcpu);
/*
- * We may have taken a host interrupt in HYP mode (ie
- * while executing the guest). This interrupt is still
- * pending, as we haven't serviced it yet!
+ * We must ensure that any pending interrupts are taken before
+ * we exit guest timing so that timer ticks are accounted as
+ * guest time. Transiently unmask interrupts so that any
+ * pending interrupts are taken.
*
- * We're now back in SVC mode, with interrupts
- * disabled. Enabling the interrupts now will have
- * the effect of taking the interrupt again, in SVC
- * mode this time.
+ * Per ARM DDI 0487G.b section D1.13.4, an ISB (or other
+ * context synchronization event) is necessary to ensure that
+ * pending interrupts are taken.
*/
local_irq_enable();
+ isb();
+ local_irq_disable();
+
+ guest_timing_exit_irqoff();
+
+ local_irq_enable();
- /*
- * We do local_irq_enable() before calling guest_exit() so
- * that if a timer interrupt hits while running the guest we
- * account that tick as being spent in the guest. We enable
- * preemption after calling guest_exit() so that if we get
- * preempted we make sure ticks after that is not counted as
- * guest time.
- */
- guest_exit();
trace_kvm_exit(ret, kvm_vcpu_trap_get_class(vcpu), *vcpu_pc(vcpu));
/* Exit types that need handling before we can be preempted */
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index fd2dd26caf91..e3140abd2e2e 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -228,6 +228,14 @@ int handle_exit(struct kvm_vcpu *vcpu, int exception_index)
{
struct kvm_run *run = vcpu->run;
+ if (ARM_SERROR_PENDING(exception_index)) {
+ /*
+ * The SError is handled by handle_exit_early(). If the guest
+ * survives it will re-execute the original instruction.
+ */
+ return 1;
+ }
+
exception_index = ARM_EXCEPTION_CODE(exception_index);
switch (exception_index) {
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 58e14f8ead23..701cfb964905 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -402,6 +402,24 @@ static inline bool kvm_hyp_handle_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
return false;
}
+static inline void synchronize_vcpu_pstate(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+ /*
+ * Check for the conditions of Cortex-A510's #2077057. When these occur
+ * SPSR_EL2 can't be trusted, but isn't needed either as it is
+ * unchanged from the value in vcpu_gp_regs(vcpu)->pstate.
+ * Are we single-stepping the guest, and took a PAC exception from the
+ * active-not-pending state?
+ */
+ if (cpus_have_final_cap(ARM64_WORKAROUND_2077057) &&
+ vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP &&
+ *vcpu_cpsr(vcpu) & DBG_SPSR_SS &&
+ ESR_ELx_EC(read_sysreg_el2(SYS_ESR)) == ESR_ELx_EC_PAC)
+ write_sysreg_el2(*vcpu_cpsr(vcpu), SYS_SPSR);
+
+ vcpu->arch.ctxt.regs.pstate = read_sysreg_el2(SYS_SPSR);
+}
+
/*
* Return true when we were able to fixup the guest exit and should return to
* the guest, false when we should restore the host state and return to the
@@ -413,7 +431,7 @@ static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
* Save PSTATE early so that we can evaluate the vcpu mode
* early on.
*/
- vcpu->arch.ctxt.regs.pstate = read_sysreg_el2(SYS_SPSR);
+ synchronize_vcpu_pstate(vcpu, exit_code);
/*
* Check whether we want to repaint the state one way or
@@ -424,7 +442,8 @@ static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
if (ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ)
vcpu->arch.fault.esr_el2 = read_sysreg_el2(SYS_ESR);
- if (ARM_SERROR_PENDING(*exit_code)) {
+ if (ARM_SERROR_PENDING(*exit_code) &&
+ ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ) {
u8 esr_ec = kvm_vcpu_trap_get_class(vcpu);
/*
diff --git a/arch/arm64/kvm/psci.c b/arch/arm64/kvm/psci.c
index 3eae32876897..2ce60fecd861 100644
--- a/arch/arm64/kvm/psci.c
+++ b/arch/arm64/kvm/psci.c
@@ -46,8 +46,7 @@ static unsigned long kvm_psci_vcpu_suspend(struct kvm_vcpu *vcpu)
* specification (ARM DEN 0022A). This means all suspend states
* for KVM will preserve the register state.
*/
- kvm_vcpu_halt(vcpu);
- kvm_clear_request(KVM_REQ_UNHALT, vcpu);
+ kvm_vcpu_wfi(vcpu);
return PSCI_RET_SUCCESS;
}
diff --git a/arch/arm64/kvm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index 7068da080799..49837d3a3ef5 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio.c
@@ -248,6 +248,8 @@ unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
IRQCHIP_STATE_PENDING,
&val);
WARN_RATELIMIT(err, "IRQ %d", irq->host_irq);
+ } else if (vgic_irq_is_mapped_level(irq)) {
+ val = vgic_get_phys_line_level(irq);
} else {
val = irq_is_pending(irq);
}
diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps
index e7719e8f18de..9c65b1e25a96 100644
--- a/arch/arm64/tools/cpucaps
+++ b/arch/arm64/tools/cpucaps
@@ -55,9 +55,10 @@ WORKAROUND_1418040
WORKAROUND_1463225
WORKAROUND_1508412
WORKAROUND_1542419
-WORKAROUND_2064142
-WORKAROUND_2038923
WORKAROUND_1902691
+WORKAROUND_2038923
+WORKAROUND_2064142
+WORKAROUND_2077057
WORKAROUND_TRBE_OVERWRITE_FILL_MODE
WORKAROUND_TSB_FLUSH_FAILURE
WORKAROUND_TRBE_WRITE_OUT_OF_RANGE
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 3e336b3dbb10..ab6e3dc0bc1d 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -83,6 +83,8 @@
label = "HDMI OUT";
type = "a";
+ ddc-en-gpios = <&gpa 25 GPIO_ACTIVE_HIGH>;
+
port {
hdmi_con: endpoint {
remote-endpoint = <&dw_hdmi_out>;
@@ -114,17 +116,6 @@
gpio = <&gpf 14 GPIO_ACTIVE_LOW>;
enable-active-high;
};
-
- hdmi_power: fixedregulator@3 {
- compatible = "regulator-fixed";
-
- regulator-name = "hdmi_power";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
-
- gpio = <&gpa 25 0>;
- enable-active-high;
- };
};
&ext {
@@ -576,8 +567,6 @@
pinctrl-names = "default";
pinctrl-0 = <&pins_hdmi_ddc>;
- hdmi-5v-supply = <&hdmi_power>;
-
ports {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S
index 0a515cde1c18..25860fba6218 100644
--- a/arch/mips/cavium-octeon/octeon-memcpy.S
+++ b/arch/mips/cavium-octeon/octeon-memcpy.S
@@ -74,7 +74,7 @@
#define EXC(inst_reg,addr,handler) \
9: inst_reg, addr; \
.section __ex_table,"a"; \
- PTR 9b, handler; \
+ PTR_WD 9b, handler; \
.previous
/*
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index f979adfd4fc2..ef73ba1e0ec1 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -803,7 +803,7 @@ early_param("coherentio", setcoherentio);
static int __init setnocoherentio(char *str)
{
- dma_default_coherent = true;
+ dma_default_coherent = false;
pr_info("Software DMA cache coherency (command line)\n");
return 0;
}
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index d542fb7af3ba..1986d1309410 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -351,6 +351,9 @@ asmlinkage void start_secondary(void)
cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;
+ set_cpu_sibling_map(cpu);
+ set_cpu_core_map(cpu);
+
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
@@ -362,9 +365,6 @@ asmlinkage void start_secondary(void)
/* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);
- set_cpu_sibling_map(cpu);
- set_cpu_core_map(cpu);
-
calculate_cpu_foreign_map();
/*
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index e59cb6246f76..a25e0b73ee70 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -414,6 +414,24 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
return -ENOIOCTLCMD;
}
+/*
+ * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while
+ * the vCPU is running.
+ *
+ * This must be noinstr as instrumentation may make use of RCU, and this is not
+ * safe during the EQS.
+ */
+static int noinstr kvm_mips_vcpu_enter_exit(struct kvm_vcpu *vcpu)
+{
+ int ret;
+
+ guest_state_enter_irqoff();
+ ret = kvm_mips_callbacks->vcpu_run(vcpu);
+ guest_state_exit_irqoff();
+
+ return ret;
+}
+
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
int r = -EINTR;
@@ -434,7 +452,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
lose_fpu(1);
local_irq_disable();
- guest_enter_irqoff();
+ guest_timing_enter_irqoff();
trace_kvm_enter(vcpu);
/*
@@ -445,10 +463,23 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
*/
smp_store_mb(vcpu->mode, IN_GUEST_MODE);
- r = kvm_mips_callbacks->vcpu_run(vcpu);
+ r = kvm_mips_vcpu_enter_exit(vcpu);
+
+ /*
+ * We must ensure that any pending interrupts are taken before
+ * we exit guest timing so that timer ticks are accounted as
+ * guest time. Transiently unmask interrupts so that any
+ * pending interrupts are taken.
+ *
+ * TODO: is there a barrier which ensures that pending interrupts are
+ * recognised? Currently this just hopes that the CPU takes any pending
+ * interrupts between the enable and disable.
+ */
+ local_irq_enable();
+ local_irq_disable();
trace_kvm_out(vcpu);
- guest_exit_irqoff();
+ guest_timing_exit_irqoff();
local_irq_enable();
out:
@@ -1168,7 +1199,7 @@ static void kvm_mips_set_c0_status(void)
/*
* Return value is in the form (errcode<<2 | RESUME_FLAG_HOST | RESUME_FLAG_NV)
*/
-int kvm_mips_handle_exit(struct kvm_vcpu *vcpu)
+static int __kvm_mips_handle_exit(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
u32 cause = vcpu->arch.host_cp0_cause;
@@ -1357,6 +1388,17 @@ int kvm_mips_handle_exit(struct kvm_vcpu *vcpu)
return ret;
}
+int noinstr kvm_mips_handle_exit(struct kvm_vcpu *vcpu)
+{
+ int ret;
+
+ guest_state_exit_irqoff();
+ ret = __kvm_mips_handle_exit(vcpu);
+ guest_state_enter_irqoff();
+
+ return ret;
+}
+
/* Enable FPU for guest and restore context */
void kvm_own_fpu(struct kvm_vcpu *vcpu)
{
diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
index 4adca5abbc72..c706f5890a05 100644
--- a/arch/mips/kvm/vz.c
+++ b/arch/mips/kvm/vz.c
@@ -458,8 +458,8 @@ void kvm_vz_acquire_htimer(struct kvm_vcpu *vcpu)
/**
* _kvm_vz_save_htimer() - Switch to software emulation of guest timer.
* @vcpu: Virtual CPU.
- * @compare: Pointer to write compare value to.
- * @cause: Pointer to write cause value to.
+ * @out_compare: Pointer to write compare value to.
+ * @out_cause: Pointer to write cause value to.
*
* Save VZ guest timer state and switch to software emulation of guest CP0
* timer. The hard timer must already be in use, so preemption should be
@@ -1541,11 +1541,14 @@ static int kvm_trap_vz_handle_guest_exit(struct kvm_vcpu *vcpu)
}
/**
- * kvm_trap_vz_handle_cop_unusuable() - Guest used unusable coprocessor.
+ * kvm_trap_vz_handle_cop_unusable() - Guest used unusable coprocessor.
* @vcpu: Virtual CPU context.
*
* Handle when the guest attempts to use a coprocessor which hasn't been allowed
* by the root context.
+ *
+ * Return: value indicating whether to resume the host or the guest
+ * (RESUME_HOST or RESUME_GUEST)
*/
static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
{
@@ -1592,6 +1595,9 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
*
* Handle when the guest attempts to use MSA when it is disabled in the root
* context.
+ *
+ * Return: value indicating whether to resume the host or the guest
+ * (RESUME_HOST or RESUME_GUEST)
*/
static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu)
{
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index d6efffd4dd20..fb0565bc34fd 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -22,7 +22,9 @@
#include "common.h"
-static void *detect_magic __initdata = detect_memory_region;
+#define MT7621_MEM_TEST_PATTERN 0xaa5555aa
+
+static u32 detect_magic __initdata;
int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
{
@@ -58,24 +60,32 @@ phys_addr_t mips_cpc_default_phys_base(void)
panic("Cannot detect cpc address");
}
+static bool __init mt7621_addr_wraparound_test(phys_addr_t size)
+{
+ void *dm = (void *)KSEG1ADDR(&detect_magic);
+
+ if (CPHYSADDR(dm + size) >= MT7621_LOWMEM_MAX_SIZE)
+ return true;
+ __raw_writel(MT7621_MEM_TEST_PATTERN, dm);
+ if (__raw_readl(dm) != __raw_readl(dm + size))
+ return false;
+ __raw_writel(~MT7621_MEM_TEST_PATTERN, dm);
+ return __raw_readl(dm) == __raw_readl(dm + size);
+}
+
static void __init mt7621_memory_detect(void)
{
- void *dm = &detect_magic;
phys_addr_t size;
- for (size = 32 * SZ_1M; size < 256 * SZ_1M; size <<= 1) {
- if (!__builtin_memcmp(dm, dm + size, sizeof(detect_magic)))
- break;
+ for (size = 32 * SZ_1M; size <= 256 * SZ_1M; size <<= 1) {
+ if (mt7621_addr_wraparound_test(size)) {
+ memblock_add(MT7621_LOWMEM_BASE, size);
+ return;
+ }
}
- if ((size == 256 * SZ_1M) &&
- (CPHYSADDR(dm + size) < MT7621_LOWMEM_MAX_SIZE) &&
- __builtin_memcmp(dm, dm + size, sizeof(detect_magic))) {
- memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
- memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
- } else {
- memblock_add(MT7621_LOWMEM_BASE, size);
- }
+ memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
+ memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
}
void __init ralink_of_remap(void)
diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
index 0ec9cfc5131f..56ffd260c669 100644
--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -12,6 +12,14 @@
#include <asm/barrier.h>
#include <linux/atomic.h>
+/* compiler build environment sanity checks: */
+#if !defined(CONFIG_64BIT) && defined(__LP64__)
+#error "Please use 'ARCH=parisc' to build the 32-bit kernel."
+#endif
+#if defined(CONFIG_64BIT) && !defined(__LP64__)
+#error "Please use 'ARCH=parisc64' to build the 64-bit kernel."
+#endif
+
/* See http://marc.theaimsgroup.com/?t=108826637900003 for discussion
* on use of volatile and __*_bit() (set/clear/change):
* *_bit() want use of volatile.
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index ebf8a845b017..123d5f16cd9d 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -89,8 +89,8 @@ struct exception_table_entry {
__asm__("1: " ldx " 0(" sr "%2),%0\n" \
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
- : "=r"(__gu_val), "=r"(__gu_err) \
- : "r"(ptr), "1"(__gu_err)); \
+ : "=r"(__gu_val), "+r"(__gu_err) \
+ : "r"(ptr)); \
\
(val) = (__force __typeof__(*(ptr))) __gu_val; \
}
@@ -123,8 +123,8 @@ struct exception_table_entry {
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b) \
- : "=&r"(__gu_tmp.l), "=r"(__gu_err) \
- : "r"(ptr), "1"(__gu_err)); \
+ : "=&r"(__gu_tmp.l), "+r"(__gu_err) \
+ : "r"(ptr)); \
\
(val) = __gu_tmp.t; \
}
@@ -135,13 +135,12 @@ struct exception_table_entry {
#define __put_user_internal(sr, x, ptr) \
({ \
ASM_EXCEPTIONTABLE_VAR(__pu_err); \
- __typeof__(*(ptr)) __x = (__typeof__(*(ptr)))(x); \
\
switch (sizeof(*(ptr))) { \
- case 1: __put_user_asm(sr, "stb", __x, ptr); break; \
- case 2: __put_user_asm(sr, "sth", __x, ptr); break; \
- case 4: __put_user_asm(sr, "stw", __x, ptr); break; \
- case 8: STD_USER(sr, __x, ptr); break; \
+ case 1: __put_user_asm(sr, "stb", x, ptr); break; \
+ case 2: __put_user_asm(sr, "sth", x, ptr); break; \
+ case 4: __put_user_asm(sr, "stw", x, ptr); break; \
+ case 8: STD_USER(sr, x, ptr); break; \
default: BUILD_BUG(); \
} \
\
@@ -150,7 +149,9 @@ struct exception_table_entry {
#define __put_user(x, ptr) \
({ \
- __put_user_internal("%%sr3,", x, ptr); \
+ __typeof__(&*(ptr)) __ptr = ptr; \
+ __typeof__(*(__ptr)) __x = (__typeof__(*(__ptr)))(x); \
+ __put_user_internal("%%sr3,", __x, __ptr); \
})
#define __put_kernel_nofault(dst, src, type, err_label) \
@@ -180,8 +181,8 @@ struct exception_table_entry {
"1: " stx " %2,0(" sr "%1)\n" \
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
- : "=r"(__pu_err) \
- : "r"(ptr), "r"(x), "0"(__pu_err))
+ : "+r"(__pu_err) \
+ : "r"(ptr), "r"(x))
#if !defined(CONFIG_64BIT)
@@ -193,8 +194,8 @@ struct exception_table_entry {
"9:\n" \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b) \
- : "=r"(__pu_err) \
- : "r"(ptr), "r"(__val), "0"(__pu_err)); \
+ : "+r"(__pu_err) \
+ : "r"(ptr), "r"(__val)); \
} while (0)
#endif /* !defined(CONFIG_64BIT) */
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index 237d20dd5622..286cec4d86d7 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -340,7 +340,7 @@ static int emulate_stw(struct pt_regs *regs, int frreg, int flop)
: "r" (val), "r" (regs->ior), "r" (regs->isr)
: "r19", "r20", "r21", "r22", "r1", FIXUP_BRANCH_CLOBBER );
- return 0;
+ return ret;
}
static int emulate_std(struct pt_regs *regs, int frreg, int flop)
{
@@ -397,7 +397,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
__asm__ __volatile__ (
" mtsp %4, %%sr1\n"
" zdep %2, 29, 2, %%r19\n"
-" dep %%r0, 31, 2, %2\n"
+" dep %%r0, 31, 2, %3\n"
" mtsar %%r19\n"
" zvdepi -2, 32, %%r19\n"
"1: ldw 0(%%sr1,%3),%%r20\n"
@@ -409,7 +409,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
" andcm %%r21, %%r19, %%r21\n"
" or %1, %%r20, %1\n"
" or %2, %%r21, %2\n"
-"3: stw %1,0(%%sr1,%1)\n"
+"3: stw %1,0(%%sr1,%3)\n"
"4: stw %%r1,4(%%sr1,%3)\n"
"5: stw %2,8(%%sr1,%3)\n"
" copy %%r0, %0\n"
@@ -596,7 +596,6 @@ void handle_unaligned(struct pt_regs *regs)
ret = ERR_NOTHANDLED; /* "undefined", but lets kill them. */
break;
}
-#ifdef CONFIG_PA20
switch (regs->iir & OPCODE2_MASK)
{
case OPCODE_FLDD_L:
@@ -607,22 +606,23 @@ void handle_unaligned(struct pt_regs *regs)
flop=1;
ret = emulate_std(regs, R2(regs->iir),1);
break;
+#ifdef CONFIG_PA20
case OPCODE_LDD_L:
ret = emulate_ldd(regs, R2(regs->iir),0);
break;
case OPCODE_STD_L:
ret = emulate_std(regs, R2(regs->iir),0);
break;
- }
#endif
+ }
switch (regs->iir & OPCODE3_MASK)
{
case OPCODE_FLDW_L:
flop=1;
- ret = emulate_ldw(regs, R2(regs->iir),0);
+ ret = emulate_ldw(regs, R2(regs->iir), 1);
break;
case OPCODE_LDW_M:
- ret = emulate_ldw(regs, R2(regs->iir),1);
+ ret = emulate_ldw(regs, R2(regs->iir), 0);
break;
case OPCODE_FSTW_L:
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index 367f6397bda7..860385058085 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -346,6 +346,16 @@ u64 ioread64be(const void __iomem *addr)
return *((u64 *)addr);
}
+u64 ioread64_lo_hi(const void __iomem *addr)
+{
+ u32 low, high;
+
+ low = ioread32(addr);
+ high = ioread32(addr + sizeof(u32));
+
+ return low + ((u64)high << 32);
+}
+
u64 ioread64_hi_lo(const void __iomem *addr)
{
u32 low, high;
@@ -419,6 +429,12 @@ void iowrite64be(u64 datum, void __iomem *addr)
}
}
+void iowrite64_lo_hi(u64 val, void __iomem *addr)
+{
+ iowrite32(val, addr);
+ iowrite32(val >> 32, addr + sizeof(u32));
+}
+
void iowrite64_hi_lo(u64 val, void __iomem *addr)
{
iowrite32(val >> 32, addr + sizeof(u32));
@@ -530,6 +546,7 @@ EXPORT_SYMBOL(ioread32);
EXPORT_SYMBOL(ioread32be);
EXPORT_SYMBOL(ioread64);
EXPORT_SYMBOL(ioread64be);
+EXPORT_SYMBOL(ioread64_lo_hi);
EXPORT_SYMBOL(ioread64_hi_lo);
EXPORT_SYMBOL(iowrite8);
EXPORT_SYMBOL(iowrite16);
@@ -538,6 +555,7 @@ EXPORT_SYMBOL(iowrite32);
EXPORT_SYMBOL(iowrite32be);
EXPORT_SYMBOL(iowrite64);
EXPORT_SYMBOL(iowrite64be);
+EXPORT_SYMBOL(iowrite64_lo_hi);
EXPORT_SYMBOL(iowrite64_hi_lo);
EXPORT_SYMBOL(ioread8_rep);
EXPORT_SYMBOL(ioread16_rep);
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 1ae31db9988f..1dc2e88e7b04 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -337,9 +337,9 @@ static void __init setup_bootmem(void)
static bool kernel_set_to_readonly;
-static void __init map_pages(unsigned long start_vaddr,
- unsigned long start_paddr, unsigned long size,
- pgprot_t pgprot, int force)
+static void __ref map_pages(unsigned long start_vaddr,
+ unsigned long start_paddr, unsigned long size,
+ pgprot_t pgprot, int force)
{
pmd_t *pmd;
pte_t *pg_table;
@@ -449,7 +449,7 @@ void __init set_kernel_text_rw(int enable_read_write)
flush_tlb_all();
}
-void __ref free_initmem(void)
+void free_initmem(void)
{
unsigned long init_begin = (unsigned long)__init_begin;
unsigned long init_end = (unsigned long)__init_end;
@@ -463,7 +463,6 @@ void __ref free_initmem(void)
/* The init text pages are marked R-X. We have to
* flush the icache and mark them RW-
*
- * This is tricky, because map_pages is in the init section.
* Do a dummy remap of the data section first (the data
* section is already PAGE_KERNEL) to pull in the TLB entries
* for map_kernel */
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 8a107ed18b0d..7d81102cffd4 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -50,6 +50,12 @@ riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima
riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima
riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd
riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
+
+# Newer binutils versions default to ISA spec version 20191213 which moves some
+# instructions from the I extension to the Zicsr and Zifencei extensions.
+toolchain-need-zicsr-zifencei := $(call cc-option-yn, -march=$(riscv-march-y)_zicsr_zifencei)
+riscv-march-$(toolchain-need-zicsr-zifencei) := $(riscv-march-y)_zicsr_zifencei
+
KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
KBUILD_AFLAGS += -march=$(riscv-march-y)
diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index 56f57118c633..44d338514761 100644
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -113,7 +113,8 @@
compatible = "canaan,k210-plic", "sifive,plic-1.0.0";
reg = <0xC000000 0x4000000>;
interrupt-controller;
- interrupts-extended = <&cpu0_intc 11>, <&cpu1_intc 11>;
+ interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
+ <&cpu1_intc 11>, <&cpu1_intc 9>;
riscv,ndev = <65>;
};
diff --git a/arch/riscv/configs/nommu_k210_sdcard_defconfig b/arch/riscv/configs/nommu_k210_sdcard_defconfig
index 2a82a3b2992b..af64b95e88cc 100644
--- a/arch/riscv/configs/nommu_k210_sdcard_defconfig
+++ b/arch/riscv/configs/nommu_k210_sdcard_defconfig
@@ -23,7 +23,7 @@ CONFIG_SLOB=y
CONFIG_SOC_CANAAN=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
-CONFIG_CMDLINE="earlycon console=ttySIF0 rootdelay=2 root=/dev/mmcblk0p1 ro"
+CONFIG_CMDLINE="earlycon console=ttySIF0 root=/dev/mmcblk0p1 rootwait ro"
CONFIG_CMDLINE_FORCE=y
# CONFIG_SECCOMP is not set
# CONFIG_STACKPROTECTOR is not set
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h
index 160e3a1e8f8b..004372f8da54 100644
--- a/arch/riscv/include/asm/page.h
+++ b/arch/riscv/include/asm/page.h
@@ -119,7 +119,7 @@ extern phys_addr_t phys_ram_base;
((x) >= kernel_map.virt_addr && (x) < (kernel_map.virt_addr + kernel_map.size))
#define is_linear_mapping(x) \
- ((x) >= PAGE_OFFSET && (!IS_ENABLED(CONFIG_64BIT) || (x) < kernel_map.virt_addr))
+ ((x) >= PAGE_OFFSET && (!IS_ENABLED(CONFIG_64BIT) || (x) < PAGE_OFFSET + KERN_VIRT_SIZE))
#define linear_mapping_pa_to_va(x) ((void *)((unsigned long)(x) + kernel_map.va_pa_offset))
#define kernel_mapping_pa_to_va(y) ({ \
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 7e949f25c933..e3549e50de95 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -13,6 +13,7 @@
#ifndef CONFIG_MMU
#define KERNEL_LINK_ADDR PAGE_OFFSET
+#define KERN_VIRT_SIZE (UL(-1))
#else
#define ADDRESS_SPACE_END (UL(-1))
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index 612556faa527..ffc87e76b1dd 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -51,6 +51,8 @@ obj-$(CONFIG_MODULE_SECTIONS) += module-sections.o
obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o
+obj-$(CONFIG_TRACE_IRQFLAGS) += trace_irq.o
+
obj-$(CONFIG_RISCV_BASE_PMU) += perf_event.o
obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o
diff --git a/arch/riscv/kernel/cpu-hotplug.c b/arch/riscv/kernel/cpu-hotplug.c
index be7f05b542bb..f7a832e3a1d1 100644
--- a/arch/riscv/kernel/cpu-hotplug.c
+++ b/arch/riscv/kernel/cpu-hotplug.c
@@ -12,6 +12,7 @@
#include <linux/sched/hotplug.h>
#include <asm/irq.h>
#include <asm/cpu_ops.h>
+#include <asm/numa.h>
#include <asm/sbi.h>
bool cpu_has_hotplug(unsigned int cpu)
@@ -40,6 +41,7 @@ int __cpu_disable(void)
return ret;
remove_cpu_topology(cpu);
+ numa_remove_cpu(cpu);
set_cpu_online(cpu, false);
irq_migrate_all_off_this_cpu();
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index ed29e9c8f660..d6a46ed0bf05 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -108,7 +108,7 @@ _save_context:
.option pop
#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_off
+ call __trace_hardirqs_off
#endif
#ifdef CONFIG_CONTEXT_TRACKING
@@ -143,7 +143,7 @@ skip_context_tracking:
li t0, EXC_BREAKPOINT
beq s4, t0, 1f
#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_on
+ call __trace_hardirqs_on
#endif
csrs CSR_STATUS, SR_IE
@@ -234,7 +234,7 @@ ret_from_exception:
REG_L s0, PT_STATUS(sp)
csrc CSR_STATUS, SR_IE
#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_off
+ call __trace_hardirqs_off
#endif
#ifdef CONFIG_RISCV_M_MODE
/* the MPP value is too large to be used as an immediate arg for addi */
@@ -270,10 +270,10 @@ restore_all:
REG_L s1, PT_STATUS(sp)
andi t0, s1, SR_PIE
beqz t0, 1f
- call trace_hardirqs_on
+ call __trace_hardirqs_on
j 2f
1:
- call trace_hardirqs_off
+ call __trace_hardirqs_off
2:
#endif
REG_L a0, PT_STATUS(sp)
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S
index 2363b43312fc..ec07f991866a 100644
--- a/arch/riscv/kernel/head.S
+++ b/arch/riscv/kernel/head.S
@@ -22,14 +22,13 @@
add \reg, \reg, t0
.endm
.macro XIP_FIXUP_FLASH_OFFSET reg
- la t1, __data_loc
- li t0, XIP_OFFSET_MASK
- and t1, t1, t0
- li t1, XIP_OFFSET
- sub t0, t0, t1
- sub \reg, \reg, t0
+ la t0, __data_loc
+ REG_L t1, _xip_phys_offset
+ sub \reg, \reg, t1
+ add \reg, \reg, t0
.endm
_xip_fixup: .dword CONFIG_PHYS_RAM_BASE - CONFIG_XIP_PHYS_ADDR - XIP_OFFSET
+_xip_phys_offset: .dword CONFIG_XIP_PHYS_ADDR + XIP_OFFSET
#else
.macro XIP_FIXUP_OFFSET reg
.endm
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index f72527fcb347..775d3322b422 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -5,6 +5,7 @@
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*/
+#include <linux/bits.h>
#include <linux/init.h>
#include <linux/pm.h>
#include <linux/reboot.h>
@@ -85,7 +86,7 @@ static unsigned long __sbi_v01_cpumask_to_hartmask(const struct cpumask *cpu_mas
pr_warn("Unable to send any request to hartid > BITS_PER_LONG for SBI v0.1\n");
break;
}
- hmask |= 1 << hartid;
+ hmask |= BIT(hartid);
}
return hmask;
@@ -160,7 +161,7 @@ static int __sbi_send_ipi_v01(const struct cpumask *cpu_mask)
{
unsigned long hart_mask;
- if (!cpu_mask)
+ if (!cpu_mask || cpumask_empty(cpu_mask))
cpu_mask = cpu_online_mask;
hart_mask = __sbi_v01_cpumask_to_hartmask(cpu_mask);
@@ -176,7 +177,7 @@ static int __sbi_rfence_v01(int fid, const struct cpumask *cpu_mask,
int result = 0;
unsigned long hart_mask;
- if (!cpu_mask)
+ if (!cpu_mask || cpumask_empty(cpu_mask))
cpu_mask = cpu_online_mask;
hart_mask = __sbi_v01_cpumask_to_hartmask(cpu_mask);
@@ -249,26 +250,37 @@ static void __sbi_set_timer_v02(uint64_t stime_value)
static int __sbi_send_ipi_v02(const struct cpumask *cpu_mask)
{
- unsigned long hartid, cpuid, hmask = 0, hbase = 0;
+ unsigned long hartid, cpuid, hmask = 0, hbase = 0, htop = 0;
struct sbiret ret = {0};
int result;
- if (!cpu_mask)
+ if (!cpu_mask || cpumask_empty(cpu_mask))
cpu_mask = cpu_online_mask;
for_each_cpu(cpuid, cpu_mask) {
hartid = cpuid_to_hartid_map(cpuid);
- if (hmask && ((hbase + BITS_PER_LONG) <= hartid)) {
- ret = sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI,
- hmask, hbase, 0, 0, 0, 0);
- if (ret.error)
- goto ecall_failed;
- hmask = 0;
- hbase = 0;
+ if (hmask) {
+ if (hartid + BITS_PER_LONG <= htop ||
+ hbase + BITS_PER_LONG <= hartid) {
+ ret = sbi_ecall(SBI_EXT_IPI,
+ SBI_EXT_IPI_SEND_IPI, hmask,
+ hbase, 0, 0, 0, 0);
+ if (ret.error)
+ goto ecall_failed;
+ hmask = 0;
+ } else if (hartid < hbase) {
+ /* shift the mask to fit lower hartid */
+ hmask <<= hbase - hartid;
+ hbase = hartid;
+ }
}
- if (!hmask)
+ if (!hmask) {
hbase = hartid;
- hmask |= 1UL << (hartid - hbase);
+ htop = hartid;
+ } else if (hartid > htop) {
+ htop = hartid;
+ }
+ hmask |= BIT(hartid - hbase);
}
if (hmask) {
@@ -344,25 +356,35 @@ static int __sbi_rfence_v02(int fid, const struct cpumask *cpu_mask,
unsigned long start, unsigned long size,
unsigned long arg4, unsigned long arg5)
{
- unsigned long hartid, cpuid, hmask = 0, hbase = 0;
+ unsigned long hartid, cpuid, hmask = 0, hbase = 0, htop = 0;
int result;
- if (!cpu_mask)
+ if (!cpu_mask || cpumask_empty(cpu_mask))
cpu_mask = cpu_online_mask;
for_each_cpu(cpuid, cpu_mask) {
hartid = cpuid_to_hartid_map(cpuid);
- if (hmask && ((hbase + BITS_PER_LONG) <= hartid)) {
- result = __sbi_rfence_v02_call(fid, hmask, hbase,
- start, size, arg4, arg5);
- if (result)
- return result;
- hmask = 0;
- hbase = 0;
+ if (hmask) {
+ if (hartid + BITS_PER_LONG <= htop ||
+ hbase + BITS_PER_LONG <= hartid) {
+ result = __sbi_rfence_v02_call(fid, hmask,
+ hbase, start, size, arg4, arg5);
+ if (result)
+ return result;
+ hmask = 0;
+ } else if (hartid < hbase) {
+ /* shift the mask to fit lower hartid */
+ hmask <<= hbase - hartid;
+ hbase = hartid;
+ }
}
- if (!hmask)
+ if (!hmask) {
hbase = hartid;
- hmask |= 1UL << (hartid - hbase);
+ htop = hartid;
+ } else if (hartid > htop) {
+ htop = hartid;
+ }
+ hmask |= BIT(hartid - hbase);
}
if (hmask) {
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 201ee206fb57..14d2b53ec322 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -22,15 +22,16 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(void *, unsigned long), void *arg)
{
unsigned long fp, sp, pc;
+ int level = 0;
if (regs) {
fp = frame_pointer(regs);
sp = user_stack_pointer(regs);
pc = instruction_pointer(regs);
} else if (task == NULL || task == current) {
- fp = (unsigned long)__builtin_frame_address(1);
- sp = (unsigned long)__builtin_frame_address(0);
- pc = (unsigned long)__builtin_return_address(0);
+ fp = (unsigned long)__builtin_frame_address(0);
+ sp = sp_in_global;
+ pc = (unsigned long)walk_stackframe;
} else {
/* task blocked in __switch_to */
fp = task->thread.s[0];
@@ -42,7 +43,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
unsigned long low, high;
struct stackframe *frame;
- if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))
+ if (unlikely(!__kernel_text_address(pc) || (level++ >= 1 && !fn(arg, pc))))
break;
/* Validate frame pointer */
diff --git a/arch/riscv/kernel/trace_irq.c b/arch/riscv/kernel/trace_irq.c
new file mode 100644
index 000000000000..095ac976d7da
--- /dev/null
+++ b/arch/riscv/kernel/trace_irq.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
+ */
+
+#include <linux/irqflags.h>
+#include <linux/kprobes.h>
+#include "trace_irq.h"
+
+/*
+ * trace_hardirqs_on/off require the caller to setup frame pointer properly.
+ * Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel.
+ * Here we add one extra level so they can be safely called by low
+ * level entry code which $fp is used for other purpose.
+ */
+
+void __trace_hardirqs_on(void)
+{
+ trace_hardirqs_on();
+}
+NOKPROBE_SYMBOL(__trace_hardirqs_on);
+
+void __trace_hardirqs_off(void)
+{
+ trace_hardirqs_off();
+}
+NOKPROBE_SYMBOL(__trace_hardirqs_off);
diff --git a/arch/riscv/kernel/trace_irq.h b/arch/riscv/kernel/trace_irq.h
new file mode 100644
index 000000000000..99fe67377e5e
--- /dev/null
+++ b/arch/riscv/kernel/trace_irq.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
+ */
+#ifndef __TRACE_IRQ_H
+#define __TRACE_IRQ_H
+
+void __trace_hardirqs_on(void);
+void __trace_hardirqs_off(void);
+
+#endif /* __TRACE_IRQ_H */
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index 0c5239e05721..624166004e36 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -90,6 +90,7 @@ int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id)
int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
{
struct kvm_cpu_context *cntx;
+ struct kvm_vcpu_csr *reset_csr = &vcpu->arch.guest_reset_csr;
/* Mark this VCPU never ran */
vcpu->arch.ran_atleast_once = false;
@@ -106,6 +107,9 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
cntx->hstatus |= HSTATUS_SPVP;
cntx->hstatus |= HSTATUS_SPV;
+ /* By default, make CY, TM, and IR counters accessible in VU mode */
+ reset_csr->scounteren = 0x7;
+
/* Setup VCPU timer */
kvm_riscv_vcpu_timer_init(vcpu);
@@ -699,6 +703,20 @@ static void kvm_riscv_update_hvip(struct kvm_vcpu *vcpu)
csr_write(CSR_HVIP, csr->hvip);
}
+/*
+ * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while
+ * the vCPU is running.
+ *
+ * This must be noinstr as instrumentation may make use of RCU, and this is not
+ * safe during the EQS.
+ */
+static void noinstr kvm_riscv_vcpu_enter_exit(struct kvm_vcpu *vcpu)
+{
+ guest_state_enter_irqoff();
+ __kvm_riscv_switch_to(&vcpu->arch);
+ guest_state_exit_irqoff();
+}
+
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
int ret;
@@ -790,9 +808,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
continue;
}
- guest_enter_irqoff();
+ guest_timing_enter_irqoff();
- __kvm_riscv_switch_to(&vcpu->arch);
+ kvm_riscv_vcpu_enter_exit(vcpu);
vcpu->mode = OUTSIDE_GUEST_MODE;
vcpu->stat.exits++;
@@ -812,25 +830,21 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
kvm_riscv_vcpu_sync_interrupts(vcpu);
/*
- * We may have taken a host interrupt in VS/VU-mode (i.e.
- * while executing the guest). This interrupt is still
- * pending, as we haven't serviced it yet!
+ * We must ensure that any pending interrupts are taken before
+ * we exit guest timing so that timer ticks are accounted as
+ * guest time. Transiently unmask interrupts so that any
+ * pending interrupts are taken.
*
- * We're now back in HS-mode with interrupts disabled
- * so enabling the interrupts now will have the effect
- * of taking the interrupt again, in HS-mode this time.
+ * There's no barrier which ensures that pending interrupts are
+ * recognised, so we just hope that the CPU takes any pending
+ * interrupts between the enable and disable.
*/
local_irq_enable();
+ local_irq_disable();
- /*
- * We do local_irq_enable() before calling guest_exit() so
- * that if a timer interrupt hits while running the guest
- * we account that tick as being spent in the guest. We
- * enable preemption after calling guest_exit() so that if
- * we get preempted we make sure ticks after that is not
- * counted as guest time.
- */
- guest_exit();
+ guest_timing_exit_irqoff();
+
+ local_irq_enable();
preempt_enable();
diff --git a/arch/riscv/kvm/vcpu_sbi_base.c b/arch/riscv/kvm/vcpu_sbi_base.c
index 4ecf377f483b..48f431091cdb 100644
--- a/arch/riscv/kvm/vcpu_sbi_base.c
+++ b/arch/riscv/kvm/vcpu_sbi_base.c
@@ -9,6 +9,7 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/kvm_host.h>
+#include <linux/version.h>
#include <asm/csr.h>
#include <asm/sbi.h>
#include <asm/kvm_vcpu_timer.h>
@@ -32,7 +33,7 @@ static int kvm_sbi_ext_base_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
*out_val = KVM_SBI_IMPID;
break;
case SBI_EXT_BASE_GET_IMP_VERSION:
- *out_val = 0;
+ *out_val = LINUX_VERSION_CODE;
break;
case SBI_EXT_BASE_PROBE_EXT:
if ((cp->a0 >= SBI_EXT_EXPERIMENTAL_START &&
diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile
index 7ebaef10ea1b..ac7a25298a04 100644
--- a/arch/riscv/mm/Makefile
+++ b/arch/riscv/mm/Makefile
@@ -24,6 +24,9 @@ obj-$(CONFIG_KASAN) += kasan_init.o
ifdef CONFIG_KASAN
KASAN_SANITIZE_kasan_init.o := n
KASAN_SANITIZE_init.o := n
+ifdef CONFIG_DEBUG_VIRTUAL
+KASAN_SANITIZE_physaddr.o := n
+endif
endif
obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o
diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c
index 05978f78579f..35484d830fd6 100644
--- a/arch/riscv/mm/extable.c
+++ b/arch/riscv/mm/extable.c
@@ -33,7 +33,7 @@ static inline void regs_set_gpr(struct pt_regs *regs, unsigned int offset,
if (unlikely(offset > MAX_REG_OFFSET))
return;
- if (!offset)
+ if (offset)
*(unsigned long *)((unsigned long)regs + offset) = val;
}
@@ -43,8 +43,8 @@ static bool ex_handler_uaccess_err_zero(const struct exception_table_entry *ex,
int reg_err = FIELD_GET(EX_DATA_REG_ERR, ex->data);
int reg_zero = FIELD_GET(EX_DATA_REG_ZERO, ex->data);
- regs_set_gpr(regs, reg_err, -EFAULT);
- regs_set_gpr(regs, reg_zero, 0);
+ regs_set_gpr(regs, reg_err * sizeof(unsigned long), -EFAULT);
+ regs_set_gpr(regs, reg_zero * sizeof(unsigned long), 0);
regs->epc = get_ex_fixup(ex);
return true;
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index cf4d018b7d66..0d588032d6e6 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -125,7 +125,6 @@ void __init mem_init(void)
else
swiotlb_force = SWIOTLB_NO_FORCE;
#endif
- high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
memblock_free_all();
print_vm_layout();
@@ -195,6 +194,7 @@ static void __init setup_bootmem(void)
min_low_pfn = PFN_UP(phys_ram_base);
max_low_pfn = max_pfn = PFN_DOWN(phys_ram_end);
+ high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
dma32_phys_limit = min(4UL * SZ_1G, (unsigned long)PFN_PHYS(max_low_pfn));
set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET);
@@ -232,6 +232,7 @@ static pmd_t __maybe_unused early_dtb_pmd[PTRS_PER_PMD] __initdata __aligned(PAG
#ifdef CONFIG_XIP_KERNEL
#define pt_ops (*(struct pt_alloc_ops *)XIP_FIXUP(&pt_ops))
+#define riscv_pfn_base (*(unsigned long *)XIP_FIXUP(&riscv_pfn_base))
#define trampoline_pg_dir ((pgd_t *)XIP_FIXUP(trampoline_pg_dir))
#define fixmap_pte ((pte_t *)XIP_FIXUP(fixmap_pte))
#define early_pg_dir ((pgd_t *)XIP_FIXUP(early_pg_dir))
@@ -522,6 +523,7 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size)
}
#ifdef CONFIG_XIP_KERNEL
+#define phys_ram_base (*(phys_addr_t *)XIP_FIXUP(&phys_ram_base))
extern char _xiprom[], _exiprom[], __data_loc;
/* called from head.S with MMU off */
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index f61f7ca6fe0f..cd1a145257b7 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -113,8 +113,11 @@ static void __init kasan_populate_pud(pgd_t *pgd,
base_pud = pt_ops.get_pud_virt(pfn_to_phys(_pgd_pfn(*pgd)));
} else {
base_pud = (pud_t *)pgd_page_vaddr(*pgd);
- if (base_pud == lm_alias(kasan_early_shadow_pud))
+ if (base_pud == lm_alias(kasan_early_shadow_pud)) {
base_pud = memblock_alloc(PTRS_PER_PUD * sizeof(pud_t), PAGE_SIZE);
+ memcpy(base_pud, (void *)kasan_early_shadow_pud,
+ sizeof(pud_t) * PTRS_PER_PUD);
+ }
}
pudp = base_pud + pud_index(vaddr);
@@ -202,8 +205,7 @@ asmlinkage void __init kasan_early_init(void)
for (i = 0; i < PTRS_PER_PTE; ++i)
set_pte(kasan_early_shadow_pte + i,
- mk_pte(virt_to_page(kasan_early_shadow_page),
- PAGE_KERNEL));
+ pfn_pte(virt_to_pfn(kasan_early_shadow_page), PAGE_KERNEL));
for (i = 0; i < PTRS_PER_PMD; ++i)
set_pmd(kasan_early_shadow_pmd + i,
diff --git a/arch/riscv/mm/physaddr.c b/arch/riscv/mm/physaddr.c
index e7fd0c253c7b..19cf25a74ee2 100644
--- a/arch/riscv/mm/physaddr.c
+++ b/arch/riscv/mm/physaddr.c
@@ -8,12 +8,10 @@
phys_addr_t __virt_to_phys(unsigned long x)
{
- phys_addr_t y = x - PAGE_OFFSET;
-
/*
* Boundary checking aginst the kernel linear mapping space.
*/
- WARN(y >= KERN_VIRT_SIZE,
+ WARN(!is_linear_mapping(x) && !is_kernel_mapping(x),
"virt_to_phys used for non-linear address: %pK (%pS)\n",
(void *)x, (void *)x);
diff --git a/arch/s390/include/asm/extable.h b/arch/s390/include/asm/extable.h
index 16dc57dd90b3..8511f0e59290 100644
--- a/arch/s390/include/asm/extable.h
+++ b/arch/s390/include/asm/extable.h
@@ -69,8 +69,13 @@ static inline void swap_ex_entry_fixup(struct exception_table_entry *a,
{
a->fixup = b->fixup + delta;
b->fixup = tmp.fixup - delta;
- a->handler = b->handler + delta;
- b->handler = tmp.handler - delta;
+ a->handler = b->handler;
+ if (a->handler)
+ a->handler += delta;
+ b->handler = tmp.handler;
+ if (b->handler)
+ b->handler -= delta;
}
+#define swap_ex_entry_fixup swap_ex_entry_fixup
#endif
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 267f70f4393f..6f80ec9c04be 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -47,15 +47,17 @@ struct ftrace_regs {
static __always_inline struct pt_regs *arch_ftrace_get_regs(struct ftrace_regs *fregs)
{
- return &fregs->regs;
+ struct pt_regs *regs = &fregs->regs;
+
+ if (test_pt_regs_flag(regs, PIF_FTRACE_FULL_REGS))
+ return regs;
+ return NULL;
}
static __always_inline void ftrace_instruction_pointer_set(struct ftrace_regs *fregs,
unsigned long ip)
{
- struct pt_regs *regs = arch_ftrace_get_regs(fregs);
-
- regs->psw.addr = ip;
+ fregs->regs.psw.addr = ip;
}
/*
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 4ffa8e7f0ed3..ddb70fb13fbc 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -15,11 +15,13 @@
#define PIF_EXECVE_PGSTE_RESTART 1 /* restart execve for PGSTE binaries */
#define PIF_SYSCALL_RET_SET 2 /* return value was set via ptrace */
#define PIF_GUEST_FAULT 3 /* indicates program check in sie64a */
+#define PIF_FTRACE_FULL_REGS 4 /* all register contents valid (ftrace) */
#define _PIF_SYSCALL BIT(PIF_SYSCALL)
#define _PIF_EXECVE_PGSTE_RESTART BIT(PIF_EXECVE_PGSTE_RESTART)
#define _PIF_SYSCALL_RET_SET BIT(PIF_SYSCALL_RET_SET)
#define _PIF_GUEST_FAULT BIT(PIF_GUEST_FAULT)
+#define _PIF_FTRACE_FULL_REGS BIT(PIF_FTRACE_FULL_REGS)
#ifndef __ASSEMBLY__
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 21d62d8b6b9a..89c0870d5679 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -159,9 +159,38 @@ int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec)
return 0;
}
+static struct ftrace_hotpatch_trampoline *ftrace_get_trampoline(struct dyn_ftrace *rec)
+{
+ struct ftrace_hotpatch_trampoline *trampoline;
+ struct ftrace_insn insn;
+ s64 disp;
+ u16 opc;
+
+ if (copy_from_kernel_nofault(&insn, (void *)rec->ip, sizeof(insn)))
+ return ERR_PTR(-EFAULT);
+ disp = (s64)insn.disp * 2;
+ trampoline = (void *)(rec->ip + disp);
+ if (get_kernel_nofault(opc, &trampoline->brasl_opc))
+ return ERR_PTR(-EFAULT);
+ if (opc != 0xc015)
+ return ERR_PTR(-EINVAL);
+ return trampoline;
+}
+
int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
unsigned long addr)
{
+ struct ftrace_hotpatch_trampoline *trampoline;
+ u64 old;
+
+ trampoline = ftrace_get_trampoline(rec);
+ if (IS_ERR(trampoline))
+ return PTR_ERR(trampoline);
+ if (get_kernel_nofault(old, &trampoline->interceptor))
+ return -EFAULT;
+ if (old != old_addr)
+ return -EINVAL;
+ s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));
return 0;
}
@@ -188,6 +217,12 @@ static void brcl_enable(void *brcl)
int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
{
+ struct ftrace_hotpatch_trampoline *trampoline;
+
+ trampoline = ftrace_get_trampoline(rec);
+ if (IS_ERR(trampoline))
+ return PTR_ERR(trampoline);
+ s390_kernel_write(&trampoline->interceptor, &addr, sizeof(addr));
brcl_enable((void *)rec->ip);
return 0;
}
@@ -291,7 +326,7 @@ void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
regs = ftrace_get_regs(fregs);
p = get_kprobe((kprobe_opcode_t *)ip);
- if (unlikely(!p) || kprobe_disabled(p))
+ if (!regs || unlikely(!p) || kprobe_disabled(p))
goto out;
if (kprobe_running()) {
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 39bcc0e39a10..a24177dcd12a 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -27,6 +27,7 @@ ENDPROC(ftrace_stub)
#define STACK_PTREGS_GPRS (STACK_PTREGS + __PT_GPRS)
#define STACK_PTREGS_PSW (STACK_PTREGS + __PT_PSW)
#define STACK_PTREGS_ORIG_GPR2 (STACK_PTREGS + __PT_ORIG_GPR2)
+#define STACK_PTREGS_FLAGS (STACK_PTREGS + __PT_FLAGS)
#ifdef __PACK_STACK
/* allocate just enough for r14, r15 and backchain */
#define TRACED_FUNC_FRAME_SIZE 24
@@ -57,6 +58,14 @@ ENDPROC(ftrace_stub)
.if \allregs == 1
stg %r14,(STACK_PTREGS_PSW)(%r15)
stosm (STACK_PTREGS_PSW)(%r15),0
+#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
+ mvghi STACK_PTREGS_FLAGS(%r15),_PIF_FTRACE_FULL_REGS
+#else
+ lghi %r14,_PIF_FTRACE_FULL_REGS
+ stg %r14,STACK_PTREGS_FLAGS(%r15)
+#endif
+ .else
+ xc STACK_PTREGS_FLAGS(8,%r15),STACK_PTREGS_FLAGS(%r15)
.endif
lg %r14,(__SF_GPRS+8*8)(%r1) # restore original return address
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index f2c25d113e7b..05327be3a982 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -800,6 +800,8 @@ static void __init check_initrd(void)
static void __init reserve_kernel(void)
{
memblock_reserve(0, STARTUP_NORMAL_OFFSET);
+ memblock_reserve(OLDMEM_BASE, sizeof(unsigned long));
+ memblock_reserve(OLDMEM_SIZE, sizeof(unsigned long));
memblock_reserve(__amode31_base, __eamode31 - __samode31);
memblock_reserve(__pa(sclp_early_sccb), EXT_SCCB_READ_SCP);
memblock_reserve(__pa(_stext), _end - _stext);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 577f1ead6a51..2296b1ff1e02 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -4667,6 +4667,8 @@ static long kvm_s390_guest_sida_op(struct kvm_vcpu *vcpu,
return -EINVAL;
if (mop->size + mop->sida_offset > sida_size(vcpu->arch.sie_block))
return -E2BIG;
+ if (!kvm_s390_pv_cpu_is_protected(vcpu))
+ return -EINVAL;
switch (mop->op) {
case KVM_S390_MEMOP_SIDA_READ:
diff --git a/arch/s390/lib/test_modules.c b/arch/s390/lib/test_modules.c
index d056baa8fbb0..9894009fc1f2 100644
--- a/arch/s390/lib/test_modules.c
+++ b/arch/s390/lib/test_modules.c
@@ -5,9 +5,6 @@
#include "test_modules.h"
-#define DECLARE_RETURN(i) int test_modules_return_ ## i(void)
-REPEAT_10000(DECLARE_RETURN);
-
/*
* Test that modules with many relocations are loaded properly.
*/
diff --git a/arch/s390/lib/test_modules.h b/arch/s390/lib/test_modules.h
index 43b5e4b4af3e..6371fcf17684 100644
--- a/arch/s390/lib/test_modules.h
+++ b/arch/s390/lib/test_modules.h
@@ -47,4 +47,7 @@
__REPEAT_10000_1(f, 8); \
__REPEAT_10000_1(f, 9)
+#define DECLARE_RETURN(i) int test_modules_return_ ## i(void)
+REPEAT_10000(DECLARE_RETURN);
+
#endif
diff --git a/arch/x86/crypto/blake2s-shash.c b/arch/x86/crypto/blake2s-shash.c
index f9e2fecdb761..59ae28abe35c 100644
--- a/arch/x86/crypto/blake2s-shash.c
+++ b/arch/x86/crypto/blake2s-shash.c
@@ -18,12 +18,12 @@
static int crypto_blake2s_update_x86(struct shash_desc *desc,
const u8 *in, unsigned int inlen)
{
- return crypto_blake2s_update(desc, in, inlen, blake2s_compress);
+ return crypto_blake2s_update(desc, in, inlen, false);
}
static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out)
{
- return crypto_blake2s_final(desc, out, blake2s_compress);
+ return crypto_blake2s_final(desc, out, false);
}
#define BLAKE2S_ALG(name, driver_name, digest_size) \
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index c91434056c29..a3c7ca876aeb 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4703,6 +4703,19 @@ static __initconst const struct x86_pmu intel_pmu = {
.lbr_read = intel_pmu_lbr_read_64,
.lbr_save = intel_pmu_lbr_save,
.lbr_restore = intel_pmu_lbr_restore,
+
+ /*
+ * SMM has access to all 4 rings and while traditionally SMM code only
+ * ran in CPL0, 2021-era firmware is starting to make use of CPL3 in SMM.
+ *
+ * Since the EVENTSEL.{USR,OS} CPL filtering makes no distinction
+ * between SMM or not, this results in what should be pure userspace
+ * counters including SMM data.
+ *
+ * This is a clear privilege issue, therefore globally disable
+ * counting SMM by default.
+ */
+ .attr_freeze_on_smi = 1,
};
static __init void intel_clovertown_quirk(void)
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 7f406c14715f..2d33bba9a144 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -897,8 +897,9 @@ static void pt_handle_status(struct pt *pt)
* means we are already losing data; need to let the decoder
* know.
*/
- if (!intel_pt_validate_hw_cap(PT_CAP_topa_multiple_entries) ||
- buf->output_off == pt_buffer_region_size(buf)) {
+ if (!buf->single &&
+ (!intel_pt_validate_hw_cap(PT_CAP_topa_multiple_entries) ||
+ buf->output_off == pt_buffer_region_size(buf))) {
perf_aux_output_flag(&pt->handle,
PERF_AUX_FLAG_TRUNCATED);
advance++;
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 84b87538a15d..bab883c0b6fe 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -22,7 +22,7 @@
#ifdef CONFIG_DEBUG_BUGVERBOSE
-#define _BUG_FLAGS(ins, flags) \
+#define _BUG_FLAGS(ins, flags, extra) \
do { \
asm_inline volatile("1:\t" ins "\n" \
".pushsection __bug_table,\"aw\"\n" \
@@ -31,7 +31,8 @@ do { \
"\t.word %c1" "\t# bug_entry::line\n" \
"\t.word %c2" "\t# bug_entry::flags\n" \
"\t.org 2b+%c3\n" \
- ".popsection" \
+ ".popsection\n" \
+ extra \
: : "i" (__FILE__), "i" (__LINE__), \
"i" (flags), \
"i" (sizeof(struct bug_entry))); \
@@ -39,14 +40,15 @@ do { \
#else /* !CONFIG_DEBUG_BUGVERBOSE */
-#define _BUG_FLAGS(ins, flags) \
+#define _BUG_FLAGS(ins, flags, extra) \
do { \
asm_inline volatile("1:\t" ins "\n" \
".pushsection __bug_table,\"aw\"\n" \
"2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
"\t.word %c0" "\t# bug_entry::flags\n" \
"\t.org 2b+%c1\n" \
- ".popsection" \
+ ".popsection\n" \
+ extra \
: : "i" (flags), \
"i" (sizeof(struct bug_entry))); \
} while (0)
@@ -55,7 +57,7 @@ do { \
#else
-#define _BUG_FLAGS(ins, flags) asm volatile(ins)
+#define _BUG_FLAGS(ins, flags, extra) asm volatile(ins)
#endif /* CONFIG_GENERIC_BUG */
@@ -63,8 +65,8 @@ do { \
#define BUG() \
do { \
instrumentation_begin(); \
- _BUG_FLAGS(ASM_UD2, 0); \
- unreachable(); \
+ _BUG_FLAGS(ASM_UD2, 0, ""); \
+ __builtin_unreachable(); \
} while (0)
/*
@@ -75,9 +77,9 @@ do { \
*/
#define __WARN_FLAGS(flags) \
do { \
+ __auto_type f = BUGFLAG_WARNING|(flags); \
instrumentation_begin(); \
- _BUG_FLAGS(ASM_UD2, BUGFLAG_WARNING|(flags)); \
- annotate_reachable(); \
+ _BUG_FLAGS(ASM_UD2, f, ASM_REACHABLE); \
instrumentation_end(); \
} while (0)
diff --git a/arch/x86/include/asm/kvm-x86-ops.h b/arch/x86/include/asm/kvm-x86-ops.h
index 631d5040b31e..d39e0de06be2 100644
--- a/arch/x86/include/asm/kvm-x86-ops.h
+++ b/arch/x86/include/asm/kvm-x86-ops.h
@@ -82,7 +82,7 @@ KVM_X86_OP_NULL(guest_apic_has_interrupt)
KVM_X86_OP(load_eoi_exitmap)
KVM_X86_OP(set_virtual_apic_mode)
KVM_X86_OP_NULL(set_apic_access_page_addr)
-KVM_X86_OP(deliver_posted_interrupt)
+KVM_X86_OP(deliver_interrupt)
KVM_X86_OP_NULL(sync_pir_to_irr)
KVM_X86_OP(set_tss_addr)
KVM_X86_OP(set_identity_map_addr)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 6e7c545bc7ee..ec9830d2aabf 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -703,7 +703,6 @@ struct kvm_vcpu_arch {
struct fpu_guest guest_fpu;
u64 xcr0;
- u64 guest_supported_xcr0;
struct kvm_pio_request pio;
void *pio_data;
@@ -1410,7 +1409,8 @@ struct kvm_x86_ops {
void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
void (*set_virtual_apic_mode)(struct kvm_vcpu *vcpu);
void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu);
- int (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
+ void (*deliver_interrupt)(struct kvm_lapic *apic, int delivery_mode,
+ int trig_mode, int vector);
int (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
int (*set_identity_map_addr)(struct kvm *kvm, u64 ident_addr);
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 3faf0f97edb1..a4a39c3e0f19 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -476,6 +476,7 @@
#define MSR_AMD64_ICIBSEXTDCTL 0xc001103c
#define MSR_AMD64_IBSOPDATA4 0xc001103d
#define MSR_AMD64_IBS_REG_COUNT_MAX 8 /* includes MSR_AMD64_IBSBRTARGET */
+#define MSR_AMD64_SVM_AVIC_DOORBELL 0xc001011b
#define MSR_AMD64_VM_PAGE_FLUSH 0xc001011e
#define MSR_AMD64_SEV_ES_GHCB 0xc0010130
#define MSR_AMD64_SEV 0xc0010131
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index b00dbc5fac2b..bb2fb78523ce 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -220,6 +220,42 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
#define SVM_NESTED_CTL_SEV_ENABLE BIT(1)
#define SVM_NESTED_CTL_SEV_ES_ENABLE BIT(2)
+
+/* AVIC */
+#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFF)
+#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31
+#define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31)
+
+#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK (0xFFULL)
+#define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12)
+#define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62)
+#define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63)
+#define AVIC_PHYSICAL_ID_TABLE_SIZE_MASK (0xFF)
+
+#define AVIC_DOORBELL_PHYSICAL_ID_MASK (0xFF)
+
+#define AVIC_UNACCEL_ACCESS_WRITE_MASK 1
+#define AVIC_UNACCEL_ACCESS_OFFSET_MASK 0xFF0
+#define AVIC_UNACCEL_ACCESS_VECTOR_MASK 0xFFFFFFFF
+
+enum avic_ipi_failure_cause {
+ AVIC_IPI_FAILURE_INVALID_INT_TYPE,
+ AVIC_IPI_FAILURE_TARGET_NOT_RUNNING,
+ AVIC_IPI_FAILURE_INVALID_TARGET,
+ AVIC_IPI_FAILURE_INVALID_BACKING_PAGE,
+};
+
+
+/*
+ * 0xff is broadcast, so the max index allowed for physical APIC ID
+ * table is 0xfe. APIC IDs above 0xff are reserved.
+ */
+#define AVIC_MAX_PHYSICAL_ID_COUNT 0xff
+
+#define AVIC_HPA_MASK ~((0xFFFULL << 52) | 0xFFF)
+#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
+
+
struct vmcb_seg {
u16 selector;
u16 attrib;
diff --git a/arch/x86/include/asm/xen/cpuid.h b/arch/x86/include/asm/xen/cpuid.h
index a9630104f1c4..78e667a31d6c 100644
--- a/arch/x86/include/asm/xen/cpuid.h
+++ b/arch/x86/include/asm/xen/cpuid.h
@@ -100,6 +100,13 @@
/* Memory mapped from other domains has valid IOMMU entries */
#define XEN_HVM_CPUID_IOMMU_MAPPINGS (1u << 2)
#define XEN_HVM_CPUID_VCPU_ID_PRESENT (1u << 3) /* vcpu id is present in EBX */
+#define XEN_HVM_CPUID_DOMID_PRESENT (1u << 4) /* domid is present in ECX */
+/*
+ * Bits 55:49 from the IO-APIC RTE and bits 11:5 from the MSI address can be
+ * used to store high bits for the Destination ID. This expands the Destination
+ * ID field from 8 to 15 bits, allowing to target APIC IDs up 32768.
+ */
+#define XEN_HVM_CPUID_EXT_DEST_ID (1u << 5)
/*
* Leaf 6 (0x40000x05)
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index 1bf2ad34188a..16f548a661cf 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -43,20 +43,6 @@ static inline uint32_t xen_cpuid_base(void)
return hypervisor_cpuid_base("XenVMMXenVMM", 2);
}
-#ifdef CONFIG_XEN
-extern bool __init xen_hvm_need_lapic(void);
-
-static inline bool __init xen_x2apic_para_available(void)
-{
- return xen_hvm_need_lapic();
-}
-#else
-static inline bool __init xen_x2apic_para_available(void)
-{
- return (xen_cpuid_base() != 0);
-}
-#endif
-
struct pci_dev;
#ifdef CONFIG_XEN_PV_DOM0
diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
index 001808e3901c..48afe96ae0f0 100644
--- a/arch/x86/kernel/cpu/sgx/encl.c
+++ b/arch/x86/kernel/cpu/sgx/encl.c
@@ -410,6 +410,8 @@ void sgx_encl_release(struct kref *ref)
}
kfree(entry);
+ /* Invoke scheduler to prevent soft lockups. */
+ cond_resched();
}
xa_destroy(&encl->page_array);
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 4b41efc9e367..8e4bc6453d26 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -344,10 +344,8 @@ static void sgx_reclaim_pages(void)
{
struct sgx_epc_page *chunk[SGX_NR_TO_SCAN];
struct sgx_backing backing[SGX_NR_TO_SCAN];
- struct sgx_epc_section *section;
struct sgx_encl_page *encl_page;
struct sgx_epc_page *epc_page;
- struct sgx_numa_node *node;
pgoff_t page_index;
int cnt = 0;
int ret;
@@ -418,13 +416,7 @@ skip:
kref_put(&encl_page->encl->refcount, sgx_encl_release);
epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;
- section = &sgx_epc_sections[epc_page->section];
- node = section->node;
-
- spin_lock(&node->lock);
- list_add_tail(&epc_page->list, &node->free_page_list);
- spin_unlock(&node->lock);
- atomic_long_inc(&sgx_nr_free_pages);
+ sgx_free_epc_page(epc_page);
}
}
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index 437d7c930c0b..75ffaef8c299 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -91,11 +91,9 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
const void *kbuf, const void __user *ubuf)
{
struct fpu *fpu = &target->thread.fpu;
- struct user32_fxsr_struct newstate;
+ struct fxregs_state newstate;
int ret;
- BUILD_BUG_ON(sizeof(newstate) != sizeof(struct fxregs_state));
-
if (!cpu_feature_enabled(X86_FEATURE_FXSR))
return -ENODEV;
@@ -116,9 +114,10 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
/* Copy the state */
memcpy(&fpu->fpstate->regs.fxsave, &newstate, sizeof(newstate));
- /* Clear xmm8..15 */
+ /* Clear xmm8..15 for 32-bit callers */
BUILD_BUG_ON(sizeof(fpu->__fpstate.regs.fxsave.xmm_space) != 16 * 16);
- memset(&fpu->fpstate->regs.fxsave.xmm_space[8], 0, 8 * 16);
+ if (in_ia32_syscall())
+ memset(&fpu->fpstate->regs.fxsave.xmm_space[8*4], 0, 8 * 16);
/* Mark FP and SSE as in use when XSAVE is enabled */
if (use_xsave())
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 02b3ddaf4f75..7c7824ae7862 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1558,7 +1558,10 @@ static int fpstate_realloc(u64 xfeatures, unsigned int ksize,
fpregs_restore_userregs();
newfps->xfeatures = curfps->xfeatures | xfeatures;
- newfps->user_xfeatures = curfps->user_xfeatures | xfeatures;
+
+ if (!guest_fpu)
+ newfps->user_xfeatures = curfps->user_xfeatures | xfeatures;
+
newfps->xfd = curfps->xfd & ~xfeatures;
/* Do the final updates within the locked region */
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index a438217cbfac..f734e3b0cfec 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -462,19 +462,22 @@ static bool pv_tlb_flush_supported(void)
{
return (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) &&
!kvm_para_has_hint(KVM_HINTS_REALTIME) &&
- kvm_para_has_feature(KVM_FEATURE_STEAL_TIME));
+ kvm_para_has_feature(KVM_FEATURE_STEAL_TIME) &&
+ (num_possible_cpus() != 1));
}
static bool pv_ipi_supported(void)
{
- return kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI);
+ return (kvm_para_has_feature(KVM_FEATURE_PV_SEND_IPI) &&
+ (num_possible_cpus() != 1));
}
static bool pv_sched_yield_supported(void)
{
return (kvm_para_has_feature(KVM_FEATURE_PV_SCHED_YIELD) &&
!kvm_para_has_hint(KVM_HINTS_REALTIME) &&
- kvm_para_has_feature(KVM_FEATURE_STEAL_TIME));
+ kvm_para_has_feature(KVM_FEATURE_STEAL_TIME) &&
+ (num_possible_cpus() != 1));
}
#define KVM_IPI_CLUSTER_SIZE (2 * BITS_PER_LONG)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 6d2244c94799..8d2f2f995539 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1224,7 +1224,7 @@ static struct user_regset x86_64_regsets[] __ro_after_init = {
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG,
- .n = sizeof(struct user_i387_struct) / sizeof(long),
+ .n = sizeof(struct fxregs_state) / sizeof(long),
.size = sizeof(long), .align = sizeof(long),
.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
},
@@ -1271,7 +1271,7 @@ static struct user_regset x86_32_regsets[] __ro_after_init = {
},
[REGSET_XFP] = {
.core_note_type = NT_PRXFPREG,
- .n = sizeof(struct user32_fxsr_struct) / sizeof(u32),
+ .n = sizeof(struct fxregs_state) / sizeof(u32),
.size = sizeof(u32), .align = sizeof(u32),
.active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
},
diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c
index 9ae64f9af956..9b9fb7882c20 100644
--- a/arch/x86/kernel/resource.c
+++ b/arch/x86/kernel/resource.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/dmi.h>
#include <linux/ioport.h>
#include <asm/e820/api.h>
@@ -24,31 +23,11 @@ static void resource_clip(struct resource *res, resource_size_t start,
res->start = end + 1;
}
-/*
- * Some BIOS-es contain a bug where they add addresses which map to
- * system RAM in the PCI host bridge window returned by the ACPI _CRS
- * method, see commit 4dc2287c1805 ("x86: avoid E820 regions when
- * allocating address space"). To avoid this Linux by default excludes
- * E820 reservations when allocating addresses since 2010.
- * In 2019 some systems have shown-up with E820 reservations which cover
- * the entire _CRS returned PCI host bridge window, causing all attempts
- * to assign memory to PCI BARs to fail if Linux uses E820 reservations.
- *
- * Ideally Linux would fully stop using E820 reservations, but then
- * the old systems this was added for will regress.
- * Instead keep the old behavior for old systems, while ignoring the
- * E820 reservations for any systems from now on.
- */
static void remove_e820_regions(struct resource *avail)
{
- int i, year = dmi_get_bios_year();
+ int i;
struct e820_entry *entry;
- if (year >= 2018)
- return;
-
- pr_info_once("PCI: Removing E820 reservations from host bridge windows\n");
-
for (i = 0; i < e820_table->nr_entries; i++) {
entry = &e820_table->entries[i];
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 28be02adc669..b8f8d268d058 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -282,6 +282,7 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
struct kvm_cpuid_entry2 *best;
+ u64 guest_supported_xcr0;
best = kvm_find_cpuid_entry(vcpu, 1, 0);
if (best && apic) {
@@ -293,9 +294,11 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_apic_set_version(vcpu);
}
- vcpu->arch.guest_supported_xcr0 =
+ guest_supported_xcr0 =
cpuid_get_supported_xcr0(vcpu->arch.cpuid_entries, vcpu->arch.cpuid_nent);
+ vcpu->arch.guest_fpu.fpstate->user_xfeatures = guest_supported_xcr0;
+
kvm_update_pv_runtime(vcpu);
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
@@ -554,12 +557,13 @@ void kvm_set_cpu_caps(void)
);
kvm_cpu_cap_mask(CPUID_7_0_EBX,
- F(FSGSBASE) | F(SGX) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
- F(BMI2) | F(ERMS) | F(INVPCID) | F(RTM) | 0 /*MPX*/ | F(RDSEED) |
- F(ADX) | F(SMAP) | F(AVX512IFMA) | F(AVX512F) | F(AVX512PF) |
- F(AVX512ER) | F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB) | F(AVX512DQ) |
- F(SHA_NI) | F(AVX512BW) | F(AVX512VL) | 0 /*INTEL_PT*/
- );
+ F(FSGSBASE) | F(SGX) | F(BMI1) | F(HLE) | F(AVX2) |
+ F(FDP_EXCPTN_ONLY) | F(SMEP) | F(BMI2) | F(ERMS) | F(INVPCID) |
+ F(RTM) | F(ZERO_FCS_FDS) | 0 /*MPX*/ | F(AVX512F) |
+ F(AVX512DQ) | F(RDSEED) | F(ADX) | F(SMAP) | F(AVX512IFMA) |
+ F(CLFLUSHOPT) | F(CLWB) | 0 /*INTEL_PT*/ | F(AVX512PF) |
+ F(AVX512ER) | F(AVX512CD) | F(SHA_NI) | F(AVX512BW) |
+ F(AVX512VL));
kvm_cpu_cap_mask(CPUID_7_ECX,
F(AVX512VBMI) | F(LA57) | F(PKU) | 0 /*OSPKE*/ | F(RDPID) |
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 4662469240bc..9322e6340a74 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1096,14 +1096,8 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
apic->regs + APIC_TMR);
}
- if (static_call(kvm_x86_deliver_posted_interrupt)(vcpu, vector)) {
- kvm_lapic_set_irr(vector, apic);
- kvm_make_request(KVM_REQ_EVENT, vcpu);
- kvm_vcpu_kick(vcpu);
- } else {
- trace_kvm_apicv_accept_irq(vcpu->vcpu_id, delivery_mode,
- trig_mode, vector);
- }
+ static_call(kvm_x86_deliver_interrupt)(apic, delivery_mode,
+ trig_mode, vector);
break;
case APIC_DM_REMRD:
@@ -2312,7 +2306,12 @@ void kvm_apic_update_apicv(struct kvm_vcpu *vcpu)
apic->irr_pending = true;
apic->isr_count = 1;
} else {
- apic->irr_pending = (apic_search_irr(apic) != -1);
+ /*
+ * Don't clear irr_pending, searching the IRR can race with
+ * updates from the CPU as APICv is still active from hardware's
+ * perspective. The flag will be cleared as appropriate when
+ * KVM injects the interrupt.
+ */
apic->isr_count = count_vectors(apic->regs + APIC_ISR);
}
}
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 593093b52395..8e24f73bf60b 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -3889,12 +3889,23 @@ static void shadow_page_table_clear_flood(struct kvm_vcpu *vcpu, gva_t addr)
walk_shadow_page_lockless_end(vcpu);
}
+static u32 alloc_apf_token(struct kvm_vcpu *vcpu)
+{
+ /* make sure the token value is not 0 */
+ u32 id = vcpu->arch.apf.id;
+
+ if (id << 12 == 0)
+ vcpu->arch.apf.id = 1;
+
+ return (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
+}
+
static bool kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
gfn_t gfn)
{
struct kvm_arch_async_pf arch;
- arch.token = (vcpu->arch.apf.id++ << 12) | vcpu->vcpu_id;
+ arch.token = alloc_apf_token(vcpu);
arch.gfn = gfn;
arch.direct_map = vcpu->arch.mmu->direct_map;
arch.cr3 = vcpu->arch.mmu->get_guest_pgd(vcpu);
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index f614f95acc6b..b1a02993782b 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -95,7 +95,7 @@ static void kvm_perf_overflow(struct perf_event *perf_event,
}
static void pmc_reprogram_counter(struct kvm_pmc *pmc, u32 type,
- unsigned config, bool exclude_user,
+ u64 config, bool exclude_user,
bool exclude_kernel, bool intr,
bool in_tx, bool in_tx_cp)
{
@@ -181,7 +181,8 @@ static int cmp_u64(const void *a, const void *b)
void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
{
- unsigned config, type = PERF_TYPE_RAW;
+ u64 config;
+ u32 type = PERF_TYPE_RAW;
struct kvm *kvm = pmc->vcpu->kvm;
struct kvm_pmu_event_filter *filter;
bool allow_event = true;
@@ -220,7 +221,7 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
}
if (type == PERF_TYPE_RAW)
- config = eventsel & X86_RAW_EVENT_MASK;
+ config = eventsel & AMD64_RAW_EVENT_MASK;
if (pmc->current_config == eventsel && pmc_resume_counter(pmc))
return;
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 90364d02f22a..fb3e20791338 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -27,20 +27,6 @@
#include "irq.h"
#include "svm.h"
-#define SVM_AVIC_DOORBELL 0xc001011b
-
-#define AVIC_HPA_MASK ~((0xFFFULL << 52) | 0xFFF)
-
-/*
- * 0xff is broadcast, so the max index allowed for physical APIC ID
- * table is 0xfe. APIC IDs above 0xff are reserved.
- */
-#define AVIC_MAX_PHYSICAL_ID_COUNT 255
-
-#define AVIC_UNACCEL_ACCESS_WRITE_MASK 1
-#define AVIC_UNACCEL_ACCESS_OFFSET_MASK 0xFF0
-#define AVIC_UNACCEL_ACCESS_VECTOR_MASK 0xFFFFFFFF
-
/* AVIC GATAG is encoded using VM and VCPU IDs */
#define AVIC_VCPU_ID_BITS 8
#define AVIC_VCPU_ID_MASK ((1 << AVIC_VCPU_ID_BITS) - 1)
@@ -73,12 +59,6 @@ struct amd_svm_iommu_ir {
void *data; /* Storing pointer to struct amd_ir_data */
};
-enum avic_ipi_failure_cause {
- AVIC_IPI_FAILURE_INVALID_INT_TYPE,
- AVIC_IPI_FAILURE_TARGET_NOT_RUNNING,
- AVIC_IPI_FAILURE_INVALID_TARGET,
- AVIC_IPI_FAILURE_INVALID_BACKING_PAGE,
-};
/* Note:
* This function is called from IOMMU driver to notify
@@ -289,6 +269,22 @@ static int avic_init_backing_page(struct kvm_vcpu *vcpu)
return 0;
}
+void avic_ring_doorbell(struct kvm_vcpu *vcpu)
+{
+ /*
+ * Note, the vCPU could get migrated to a different pCPU at any point,
+ * which could result in signalling the wrong/previous pCPU. But if
+ * that happens the vCPU is guaranteed to do a VMRUN (after being
+ * migrated) and thus will process pending interrupts, i.e. a doorbell
+ * is not needed (and the spurious one is harmless).
+ */
+ int cpu = READ_ONCE(vcpu->cpu);
+
+ if (cpu != get_cpu())
+ wrmsrl(MSR_AMD64_SVM_AVIC_DOORBELL, kvm_cpu_get_apicid(cpu));
+ put_cpu();
+}
+
static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
u32 icrl, u32 icrh)
{
@@ -304,8 +300,13 @@ static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
kvm_for_each_vcpu(i, vcpu, kvm) {
if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK,
GET_APIC_DEST_FIELD(icrh),
- icrl & APIC_DEST_MASK))
- kvm_vcpu_wake_up(vcpu);
+ icrl & APIC_DEST_MASK)) {
+ vcpu->arch.apic->irr_pending = true;
+ svm_complete_interrupt_delivery(vcpu,
+ icrl & APIC_MODE_MASK,
+ icrl & APIC_INT_LEVELTRIG,
+ icrl & APIC_VECTOR_MASK);
+ }
}
}
@@ -345,8 +346,6 @@ int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu)
avic_kick_target_vcpus(vcpu->kvm, apic, icrl, icrh);
break;
case AVIC_IPI_FAILURE_INVALID_TARGET:
- WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n",
- index, vcpu->vcpu_id, icrh, icrl);
break;
case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE:
WARN_ONCE(1, "Invalid backing page\n");
@@ -669,52 +668,6 @@ void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
return;
}
-int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec)
-{
- if (!vcpu->arch.apicv_active)
- return -1;
-
- kvm_lapic_set_irr(vec, vcpu->arch.apic);
-
- /*
- * Pairs with the smp_mb_*() after setting vcpu->guest_mode in
- * vcpu_enter_guest() to ensure the write to the vIRR is ordered before
- * the read of guest_mode, which guarantees that either VMRUN will see
- * and process the new vIRR entry, or that the below code will signal
- * the doorbell if the vCPU is already running in the guest.
- */
- smp_mb__after_atomic();
-
- /*
- * Signal the doorbell to tell hardware to inject the IRQ if the vCPU
- * is in the guest. If the vCPU is not in the guest, hardware will
- * automatically process AVIC interrupts at VMRUN.
- */
- if (vcpu->mode == IN_GUEST_MODE) {
- int cpu = READ_ONCE(vcpu->cpu);
-
- /*
- * Note, the vCPU could get migrated to a different pCPU at any
- * point, which could result in signalling the wrong/previous
- * pCPU. But if that happens the vCPU is guaranteed to do a
- * VMRUN (after being migrated) and thus will process pending
- * interrupts, i.e. a doorbell is not needed (and the spurious
- * one is harmless).
- */
- if (cpu != get_cpu())
- wrmsrl(SVM_AVIC_DOORBELL, kvm_cpu_get_apicid(cpu));
- put_cpu();
- } else {
- /*
- * Wake the vCPU if it was blocking. KVM will then detect the
- * pending IRQ when checking if the vCPU has a wake event.
- */
- kvm_vcpu_wake_up(vcpu);
- }
-
- return 0;
-}
-
bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
{
return false;
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 1218b5a342fc..39d280e7e80e 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -1457,18 +1457,6 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
!__nested_vmcb_check_save(vcpu, &save_cached))
goto out_free;
- /*
- * While the nested guest CR3 is already checked and set by
- * KVM_SET_SREGS, it was set when nested state was yet loaded,
- * thus MMU might not be initialized correctly.
- * Set it again to fix this.
- */
-
- ret = nested_svm_load_cr3(&svm->vcpu, vcpu->arch.cr3,
- nested_npt_enabled(svm), false);
- if (WARN_ON_ONCE(ret))
- goto out_free;
-
/*
* All checks done, we can enter guest mode. Userspace provides
@@ -1494,6 +1482,20 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
svm_switch_vmcb(svm, &svm->nested.vmcb02);
nested_vmcb02_prepare_control(svm);
+
+ /*
+ * While the nested guest CR3 is already checked and set by
+ * KVM_SET_SREGS, it was set when nested state was yet loaded,
+ * thus MMU might not be initialized correctly.
+ * Set it again to fix this.
+ */
+
+ ret = nested_svm_load_cr3(&svm->vcpu, vcpu->arch.cr3,
+ nested_npt_enabled(svm), false);
+ if (WARN_ON_ONCE(ret))
+ goto out_free;
+
+
kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
ret = 0;
out_free:
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 6d97629655e3..fd3a00c892c7 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1585,6 +1585,7 @@ void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
{
struct vcpu_svm *svm = to_svm(vcpu);
u64 hcr0 = cr0;
+ bool old_paging = is_paging(vcpu);
#ifdef CONFIG_X86_64
if (vcpu->arch.efer & EFER_LME && !vcpu->arch.guest_state_protected) {
@@ -1601,8 +1602,11 @@ void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
#endif
vcpu->arch.cr0 = cr0;
- if (!npt_enabled)
+ if (!npt_enabled) {
hcr0 |= X86_CR0_PG | X86_CR0_WP;
+ if (old_paging != is_paging(vcpu))
+ svm_set_cr4(vcpu, kvm_read_cr4(vcpu));
+ }
/*
* re-enable caching here because the QEMU bios
@@ -1646,8 +1650,12 @@ void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
svm_flush_tlb(vcpu);
vcpu->arch.cr4 = cr4;
- if (!npt_enabled)
+ if (!npt_enabled) {
cr4 |= X86_CR4_PAE;
+
+ if (!is_paging(vcpu))
+ cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE);
+ }
cr4 |= host_cr4_mce;
to_svm(vcpu)->vmcb->save.cr4 = cr4;
vmcb_mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR);
@@ -2685,8 +2693,23 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
u64 data = msr->data;
switch (ecx) {
case MSR_AMD64_TSC_RATIO:
- if (!msr->host_initiated && !svm->tsc_scaling_enabled)
- return 1;
+
+ if (!svm->tsc_scaling_enabled) {
+
+ if (!msr->host_initiated)
+ return 1;
+ /*
+ * In case TSC scaling is not enabled, always
+ * leave this MSR at the default value.
+ *
+ * Due to bug in qemu 6.2.0, it would try to set
+ * this msr to 0 if tsc scaling is not enabled.
+ * Ignore this value as well.
+ */
+ if (data != 0 && data != svm->tsc_ratio_msr)
+ return 1;
+ break;
+ }
if (data & TSC_RATIO_RSVD)
return 1;
@@ -3291,6 +3314,55 @@ static void svm_set_irq(struct kvm_vcpu *vcpu)
SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_INTR;
}
+void svm_complete_interrupt_delivery(struct kvm_vcpu *vcpu, int delivery_mode,
+ int trig_mode, int vector)
+{
+ /*
+ * vcpu->arch.apicv_active must be read after vcpu->mode.
+ * Pairs with smp_store_release in vcpu_enter_guest.
+ */
+ bool in_guest_mode = (smp_load_acquire(&vcpu->mode) == IN_GUEST_MODE);
+
+ if (!READ_ONCE(vcpu->arch.apicv_active)) {
+ /* Process the interrupt via inject_pending_event */
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
+ kvm_vcpu_kick(vcpu);
+ return;
+ }
+
+ trace_kvm_apicv_accept_irq(vcpu->vcpu_id, delivery_mode, trig_mode, vector);
+ if (in_guest_mode) {
+ /*
+ * Signal the doorbell to tell hardware to inject the IRQ. If
+ * the vCPU exits the guest before the doorbell chimes, hardware
+ * will automatically process AVIC interrupts at the next VMRUN.
+ */
+ avic_ring_doorbell(vcpu);
+ } else {
+ /*
+ * Wake the vCPU if it was blocking. KVM will then detect the
+ * pending IRQ when checking if the vCPU has a wake event.
+ */
+ kvm_vcpu_wake_up(vcpu);
+ }
+}
+
+static void svm_deliver_interrupt(struct kvm_lapic *apic, int delivery_mode,
+ int trig_mode, int vector)
+{
+ kvm_lapic_set_irr(vector, apic);
+
+ /*
+ * Pairs with the smp_mb_*() after setting vcpu->guest_mode in
+ * vcpu_enter_guest() to ensure the write to the vIRR is ordered before
+ * the read of guest_mode. This guarantees that either VMRUN will see
+ * and process the new vIRR entry, or that svm_complete_interrupt_delivery
+ * will signal the doorbell if the CPU has already entered the guest.
+ */
+ smp_mb__after_atomic();
+ svm_complete_interrupt_delivery(apic->vcpu, delivery_mode, trig_mode, vector);
+}
+
static void svm_update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -3338,11 +3410,13 @@ static int svm_nmi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
if (svm->nested.nested_run_pending)
return -EBUSY;
+ if (svm_nmi_blocked(vcpu))
+ return 0;
+
/* An NMI must not be injected into L2 if it's supposed to VM-Exit. */
if (for_injection && is_guest_mode(vcpu) && nested_exit_on_nmi(svm))
return -EBUSY;
-
- return !svm_nmi_blocked(vcpu);
+ return 1;
}
static bool svm_get_nmi_mask(struct kvm_vcpu *vcpu)
@@ -3394,9 +3468,13 @@ bool svm_interrupt_blocked(struct kvm_vcpu *vcpu)
static int svm_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection)
{
struct vcpu_svm *svm = to_svm(vcpu);
+
if (svm->nested.nested_run_pending)
return -EBUSY;
+ if (svm_interrupt_blocked(vcpu))
+ return 0;
+
/*
* An IRQ must not be injected into L2 if it's supposed to VM-Exit,
* e.g. if the IRQ arrived asynchronously after checking nested events.
@@ -3404,7 +3482,7 @@ static int svm_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection)
if (for_injection && is_guest_mode(vcpu) && nested_exit_on_intr(svm))
return -EBUSY;
- return !svm_interrupt_blocked(vcpu);
+ return 1;
}
static void svm_enable_irq_window(struct kvm_vcpu *vcpu)
@@ -3615,7 +3693,7 @@ static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu)
struct vcpu_svm *svm = to_svm(vcpu);
unsigned long vmcb_pa = svm->current_vmcb->pa;
- kvm_guest_enter_irqoff();
+ guest_state_enter_irqoff();
if (sev_es_guest(vcpu->kvm)) {
__svm_sev_es_vcpu_run(vmcb_pa);
@@ -3635,7 +3713,7 @@ static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu)
vmload(__sme_page_pa(sd->save_area));
}
- kvm_guest_exit_irqoff();
+ guest_state_exit_irqoff();
}
static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)
@@ -4135,11 +4213,14 @@ static int svm_smi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
if (svm->nested.nested_run_pending)
return -EBUSY;
+ if (svm_smi_blocked(vcpu))
+ return 0;
+
/* An SMI must not be injected into L2 if it's supposed to VM-Exit. */
if (for_injection && is_guest_mode(vcpu) && nested_exit_on_smi(svm))
return -EBUSY;
- return !svm_smi_blocked(vcpu);
+ return 1;
}
static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
@@ -4233,11 +4314,18 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
* Enter the nested guest now
*/
+ vmcb_mark_all_dirty(svm->vmcb01.ptr);
+
vmcb12 = map.hva;
nested_copy_vmcb_control_to_cache(svm, &vmcb12->control);
nested_copy_vmcb_save_to_cache(svm, &vmcb12->save);
ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, false);
+ if (ret)
+ goto unmap_save;
+
+ svm->nested.nested_run_pending = 1;
+
unmap_save:
kvm_vcpu_unmap(vcpu, &map_save, true);
unmap_map:
@@ -4545,7 +4633,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.pmu_ops = &amd_pmu_ops,
.nested_ops = &svm_nested_ops,
- .deliver_posted_interrupt = svm_deliver_avic_intr,
+ .deliver_interrupt = svm_deliver_interrupt,
.dy_apicv_has_pending_interrupt = svm_dy_apicv_has_pending_interrupt,
.update_pi_irte = svm_update_pi_irte,
.setup_mce = svm_setup_mce,
@@ -4622,6 +4710,7 @@ static __init void svm_set_cpu_caps(void)
/* CPUID 0x80000001 and 0x8000000A (SVM features) */
if (nested) {
kvm_cpu_cap_set(X86_FEATURE_SVM);
+ kvm_cpu_cap_set(X86_FEATURE_VMCBCLEAN);
if (nrips)
kvm_cpu_cap_set(X86_FEATURE_NRIPS);
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 73525353e424..fa98d6844728 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -489,6 +489,8 @@ void svm_set_gif(struct vcpu_svm *svm, bool value);
int svm_invoke_exit_handler(struct kvm_vcpu *vcpu, u64 exit_code);
void set_msr_interception(struct kvm_vcpu *vcpu, u32 *msrpm, u32 msr,
int read, int write);
+void svm_complete_interrupt_delivery(struct kvm_vcpu *vcpu, int delivery_mode,
+ int trig_mode, int vec);
/* nested.c */
@@ -556,17 +558,6 @@ extern struct kvm_x86_nested_ops svm_nested_ops;
/* avic.c */
-#define AVIC_LOGICAL_ID_ENTRY_GUEST_PHYSICAL_ID_MASK (0xFF)
-#define AVIC_LOGICAL_ID_ENTRY_VALID_BIT 31
-#define AVIC_LOGICAL_ID_ENTRY_VALID_MASK (1 << 31)
-
-#define AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK (0xFFULL)
-#define AVIC_PHYSICAL_ID_ENTRY_BACKING_PAGE_MASK (0xFFFFFFFFFFULL << 12)
-#define AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK (1ULL << 62)
-#define AVIC_PHYSICAL_ID_ENTRY_VALID_MASK (1ULL << 63)
-
-#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
-
int avic_ga_log_notifier(u32 ga_tag);
void avic_vm_destroy(struct kvm *kvm);
int avic_vm_init(struct kvm *kvm);
@@ -583,12 +574,12 @@ bool svm_check_apicv_inhibit_reasons(ulong bit);
void svm_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
void svm_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr);
void svm_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr);
-int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec);
bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu);
int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
uint32_t guest_irq, bool set);
void avic_vcpu_blocking(struct kvm_vcpu *vcpu);
void avic_vcpu_unblocking(struct kvm_vcpu *vcpu);
+void avic_ring_doorbell(struct kvm_vcpu *vcpu);
/* sev.c */
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index ba34e94049c7..dc822a1d403d 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -246,8 +246,7 @@ static void vmx_sync_vmcs_host_state(struct vcpu_vmx *vmx,
src = &prev->host_state;
dest = &vmx->loaded_vmcs->host_state;
- vmx_set_vmcs_host_state(dest, src->cr3, src->fs_sel, src->gs_sel,
- src->fs_base, src->gs_base);
+ vmx_set_host_fs_gs(dest, src->fs_sel, src->gs_sel, src->fs_base, src->gs_base);
dest->ldt_sel = src->ldt_sel;
#ifdef CONFIG_X86_64
dest->ds_sel = src->ds_sel;
@@ -3056,7 +3055,7 @@ static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu,
static int nested_vmx_check_vmentry_hw(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- unsigned long cr4;
+ unsigned long cr3, cr4;
bool vm_fail;
if (!nested_early_check)
@@ -3079,6 +3078,12 @@ static int nested_vmx_check_vmentry_hw(struct kvm_vcpu *vcpu)
*/
vmcs_writel(GUEST_RFLAGS, 0);
+ cr3 = __get_current_cr3_fast();
+ if (unlikely(cr3 != vmx->loaded_vmcs->host_state.cr3)) {
+ vmcs_writel(HOST_CR3, cr3);
+ vmx->loaded_vmcs->host_state.cr3 = cr3;
+ }
+
cr4 = cr4_read_shadow();
if (unlikely(cr4 != vmx->loaded_vmcs->host_state.cr4)) {
vmcs_writel(HOST_CR4, cr4);
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index aca3ae2a02f3..b730d799c26e 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -1080,14 +1080,9 @@ static void pt_guest_exit(struct vcpu_vmx *vmx)
wrmsrl(MSR_IA32_RTIT_CTL, vmx->pt_desc.host.ctl);
}
-void vmx_set_vmcs_host_state(struct vmcs_host_state *host, unsigned long cr3,
- u16 fs_sel, u16 gs_sel,
- unsigned long fs_base, unsigned long gs_base)
+void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel,
+ unsigned long fs_base, unsigned long gs_base)
{
- if (unlikely(cr3 != host->cr3)) {
- vmcs_writel(HOST_CR3, cr3);
- host->cr3 = cr3;
- }
if (unlikely(fs_sel != host->fs_sel)) {
if (!(fs_sel & 7))
vmcs_write16(HOST_FS_SELECTOR, fs_sel);
@@ -1182,9 +1177,7 @@ void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
gs_base = segment_base(gs_sel);
#endif
- vmx_set_vmcs_host_state(host_state, __get_current_cr3_fast(),
- fs_sel, gs_sel, fs_base, gs_base);
-
+ vmx_set_host_fs_gs(host_state, fs_sel, gs_sel, fs_base, gs_base);
vmx->guest_state_loaded = true;
}
@@ -4041,6 +4034,21 @@ static int vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
return 0;
}
+static void vmx_deliver_interrupt(struct kvm_lapic *apic, int delivery_mode,
+ int trig_mode, int vector)
+{
+ struct kvm_vcpu *vcpu = apic->vcpu;
+
+ if (vmx_deliver_posted_interrupt(vcpu, vector)) {
+ kvm_lapic_set_irr(vector, apic);
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
+ kvm_vcpu_kick(vcpu);
+ } else {
+ trace_kvm_apicv_accept_irq(vcpu->vcpu_id, delivery_mode,
+ trig_mode, vector);
+ }
+}
+
/*
* Set up the vmcs's constant host-state fields, i.e., host-state fields that
* will not change in the lifetime of the guest.
@@ -6754,7 +6762,7 @@ static fastpath_t vmx_exit_handlers_fastpath(struct kvm_vcpu *vcpu)
static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
struct vcpu_vmx *vmx)
{
- kvm_guest_enter_irqoff();
+ guest_state_enter_irqoff();
/* L1D Flush includes CPU buffer clear to mitigate MDS */
if (static_branch_unlikely(&vmx_l1d_should_flush))
@@ -6770,13 +6778,13 @@ static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
vcpu->arch.cr2 = native_read_cr2();
- kvm_guest_exit_irqoff();
+ guest_state_exit_irqoff();
}
static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- unsigned long cr4;
+ unsigned long cr3, cr4;
/* Record the guest's net vcpu time for enforced NMI injections. */
if (unlikely(!enable_vnmi &&
@@ -6819,6 +6827,19 @@ static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu)
vmcs_writel(GUEST_RIP, vcpu->arch.regs[VCPU_REGS_RIP]);
vcpu->arch.regs_dirty = 0;
+ /*
+ * Refresh vmcs.HOST_CR3 if necessary. This must be done immediately
+ * prior to VM-Enter, as the kernel may load a new ASID (PCID) any time
+ * it switches back to the current->mm, which can occur in KVM context
+ * when switching to a temporary mm to patch kernel code, e.g. if KVM
+ * toggles a static key while handling a VM-Exit.
+ */
+ cr3 = __get_current_cr3_fast();
+ if (unlikely(cr3 != vmx->loaded_vmcs->host_state.cr3)) {
+ vmcs_writel(HOST_CR3, cr3);
+ vmx->loaded_vmcs->host_state.cr3 = cr3;
+ }
+
cr4 = cr4_read_shadow();
if (unlikely(cr4 != vmx->loaded_vmcs->host_state.cr4)) {
vmcs_writel(HOST_CR4, cr4);
@@ -7644,6 +7665,7 @@ static int vmx_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
if (ret)
return ret;
+ vmx->nested.nested_run_pending = 1;
vmx->nested.smm.guest_mode = false;
}
return 0;
@@ -7768,7 +7790,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.hwapic_isr_update = vmx_hwapic_isr_update,
.guest_apic_has_interrupt = vmx_guest_apic_has_interrupt,
.sync_pir_to_irr = vmx_sync_pir_to_irr,
- .deliver_posted_interrupt = vmx_deliver_posted_interrupt,
+ .deliver_interrupt = vmx_deliver_interrupt,
.dy_apicv_has_pending_interrupt = pi_has_pending_interrupt,
.set_tss_addr = vmx_set_tss_addr,
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 7f2c82e7f38f..9c6bfcd84008 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -374,9 +374,8 @@ int allocate_vpid(void);
void free_vpid(int vpid);
void vmx_set_constant_host_state(struct vcpu_vmx *vmx);
void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu);
-void vmx_set_vmcs_host_state(struct vmcs_host_state *host, unsigned long cr3,
- u16 fs_sel, u16 gs_sel,
- unsigned long fs_base, unsigned long gs_base);
+void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel,
+ unsigned long fs_base, unsigned long gs_base);
int vmx_get_cpl(struct kvm_vcpu *vcpu);
bool vmx_emulation_required(struct kvm_vcpu *vcpu);
unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 74b53a16f38a..82a9dcd8c67f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -90,6 +90,8 @@
u64 __read_mostly kvm_mce_cap_supported = MCG_CTL_P | MCG_SER_P;
EXPORT_SYMBOL_GPL(kvm_mce_cap_supported);
+#define ERR_PTR_USR(e) ((void __user *)ERR_PTR(e))
+
#define emul_to_vcpu(ctxt) \
((struct kvm_vcpu *)(ctxt)->vcpu)
@@ -982,6 +984,18 @@ void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_load_host_xsave_state);
+static inline u64 kvm_guest_supported_xcr0(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.guest_fpu.fpstate->user_xfeatures;
+}
+
+#ifdef CONFIG_X86_64
+static inline u64 kvm_guest_supported_xfd(struct kvm_vcpu *vcpu)
+{
+ return kvm_guest_supported_xcr0(vcpu) & XFEATURE_MASK_USER_DYNAMIC;
+}
+#endif
+
static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
{
u64 xcr0 = xcr;
@@ -1001,7 +1015,7 @@ static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
* saving. However, xcr0 bit 0 is always set, even if the
* emulated CPU does not support XSAVE (see kvm_vcpu_reset()).
*/
- valid_bits = vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FP;
+ valid_bits = kvm_guest_supported_xcr0(vcpu) | XFEATURE_MASK_FP;
if (xcr0 & ~valid_bits)
return 1;
@@ -2349,10 +2363,12 @@ static u64 compute_guest_tsc(struct kvm_vcpu *vcpu, s64 kernel_ns)
return tsc;
}
+#ifdef CONFIG_X86_64
static inline int gtod_is_based_on_tsc(int mode)
{
return mode == VDSO_CLOCKMODE_TSC || mode == VDSO_CLOCKMODE_HVCLOCK;
}
+#endif
static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu)
{
@@ -3704,8 +3720,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
!guest_cpuid_has(vcpu, X86_FEATURE_XFD))
return 1;
- if (data & ~(XFEATURE_MASK_USER_DYNAMIC &
- vcpu->arch.guest_supported_xcr0))
+ if (data & ~kvm_guest_supported_xfd(vcpu))
return 1;
fpu_update_guest_xfd(&vcpu->arch.guest_fpu, data);
@@ -3715,8 +3730,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
!guest_cpuid_has(vcpu, X86_FEATURE_XFD))
return 1;
- if (data & ~(XFEATURE_MASK_USER_DYNAMIC &
- vcpu->arch.guest_supported_xcr0))
+ if (data & ~kvm_guest_supported_xfd(vcpu))
return 1;
vcpu->arch.guest_fpu.xfd_err = data;
@@ -4231,6 +4245,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_EXIT_ON_EMULATION_FAILURE:
case KVM_CAP_VCPU_ATTRIBUTES:
case KVM_CAP_SYS_ATTRIBUTES:
+ case KVM_CAP_ENABLE_CAP:
r = 1;
break;
case KVM_CAP_EXIT_HYPERCALL:
@@ -4340,7 +4355,7 @@ static inline void __user *kvm_get_attr_addr(struct kvm_device_attr *attr)
void __user *uaddr = (void __user*)(unsigned long)attr->addr;
if ((u64)(unsigned long)uaddr != attr->addr)
- return ERR_PTR(-EFAULT);
+ return ERR_PTR_USR(-EFAULT);
return uaddr;
}
@@ -8940,6 +8955,13 @@ static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr,
if (clock_type != KVM_CLOCK_PAIRING_WALLCLOCK)
return -KVM_EOPNOTSUPP;
+ /*
+ * When tsc is in permanent catchup mode guests won't be able to use
+ * pvclock_read_retry loop to get consistent view of pvclock
+ */
+ if (vcpu->arch.tsc_always_catchup)
+ return -KVM_EOPNOTSUPP;
+
if (!kvm_get_walltime_and_clockread(&ts, &cycle))
return -KVM_EOPNOTSUPP;
@@ -9981,7 +10003,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
* result in virtual interrupt delivery.
*/
local_irq_disable();
- vcpu->mode = IN_GUEST_MODE;
+
+ /* Store vcpu->apicv_active before vcpu->mode. */
+ smp_store_release(&vcpu->mode, IN_GUEST_MODE);
srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
@@ -10041,6 +10065,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
set_debugreg(0, 7);
}
+ guest_timing_enter_irqoff();
+
for (;;) {
/*
* Assert that vCPU vs. VM APICv state is consistent. An APICv
@@ -10125,7 +10151,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
* of accounting via context tracking, but the loss of accuracy is
* acceptable for all known use cases.
*/
- vtime_account_guest_exit();
+ guest_timing_exit_irqoff();
if (lapic_in_kernel(vcpu)) {
s64 delta = vcpu->arch.apic->lapic_timer.advance_expire_delta;
@@ -11639,8 +11665,6 @@ void kvm_arch_sync_events(struct kvm *kvm)
kvm_free_pit(kvm);
}
-#define ERR_PTR_USR(e) ((void __user *)ERR_PTR(e))
-
/**
* __x86_set_memory_region: Setup KVM internal memory slot
*
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 635b75f9e145..767ec7f99516 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -10,51 +10,6 @@
void kvm_spurious_fault(void);
-static __always_inline void kvm_guest_enter_irqoff(void)
-{
- /*
- * VMENTER enables interrupts (host state), but the kernel state is
- * interrupts disabled when this is invoked. Also tell RCU about
- * it. This is the same logic as for exit_to_user_mode().
- *
- * This ensures that e.g. latency analysis on the host observes
- * guest mode as interrupt enabled.
- *
- * guest_enter_irqoff() informs context tracking about the
- * transition to guest mode and if enabled adjusts RCU state
- * accordingly.
- */
- instrumentation_begin();
- trace_hardirqs_on_prepare();
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
- instrumentation_end();
-
- guest_enter_irqoff();
- lockdep_hardirqs_on(CALLER_ADDR0);
-}
-
-static __always_inline void kvm_guest_exit_irqoff(void)
-{
- /*
- * VMEXIT disables interrupts (host state), but tracing and lockdep
- * have them in state 'on' as recorded before entering guest mode.
- * Same as enter_from_user_mode().
- *
- * context_tracking_guest_exit() restores host context and reinstates
- * RCU if enabled and required.
- *
- * This needs to be done immediately after VM-Exit, before any code
- * that might contain tracepoints or call out to the greater world,
- * e.g. before x86_spec_ctrl_restore_host().
- */
- lockdep_hardirqs_off(CALLER_ADDR0);
- context_tracking_guest_exit();
-
- instrumentation_begin();
- trace_hardirqs_off_finish();
- instrumentation_end();
-}
-
#define KVM_NESTED_VMENTER_CONSISTENCY_CHECK(consistency_check) \
({ \
bool failed = (consistency_check); \
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index bad57535fad0..74be1fda58e3 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -133,32 +133,57 @@ static void kvm_xen_update_runstate(struct kvm_vcpu *v, int state)
void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state)
{
struct kvm_vcpu_xen *vx = &v->arch.xen;
+ struct gfn_to_hva_cache *ghc = &vx->runstate_cache;
+ struct kvm_memslots *slots = kvm_memslots(v->kvm);
+ bool atomic = (state == RUNSTATE_runnable);
uint64_t state_entry_time;
- unsigned int offset;
+ int __user *user_state;
+ uint64_t __user *user_times;
kvm_xen_update_runstate(v, state);
if (!vx->runstate_set)
return;
- BUILD_BUG_ON(sizeof(struct compat_vcpu_runstate_info) != 0x2c);
+ if (unlikely(slots->generation != ghc->generation || kvm_is_error_hva(ghc->hva)) &&
+ kvm_gfn_to_hva_cache_init(v->kvm, ghc, ghc->gpa, ghc->len))
+ return;
+
+ /* We made sure it fits in a single page */
+ BUG_ON(!ghc->memslot);
+
+ if (atomic)
+ pagefault_disable();
- offset = offsetof(struct compat_vcpu_runstate_info, state_entry_time);
-#ifdef CONFIG_X86_64
/*
- * The only difference is alignment of uint64_t in 32-bit.
- * So the first field 'state' is accessed directly using
- * offsetof() (where its offset happens to be zero), while the
- * remaining fields which are all uint64_t, start at 'offset'
- * which we tweak here by adding 4.
+ * The only difference between 32-bit and 64-bit versions of the
+ * runstate struct us the alignment of uint64_t in 32-bit, which
+ * means that the 64-bit version has an additional 4 bytes of
+ * padding after the first field 'state'.
+ *
+ * So we use 'int __user *user_state' to point to the state field,
+ * and 'uint64_t __user *user_times' for runstate_entry_time. So
+ * the actual array of time[] in each state starts at user_times[1].
*/
+ BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, state) != 0);
+ BUILD_BUG_ON(offsetof(struct compat_vcpu_runstate_info, state) != 0);
+ user_state = (int __user *)ghc->hva;
+
+ BUILD_BUG_ON(sizeof(struct compat_vcpu_runstate_info) != 0x2c);
+
+ user_times = (uint64_t __user *)(ghc->hva +
+ offsetof(struct compat_vcpu_runstate_info,
+ state_entry_time));
+#ifdef CONFIG_X86_64
BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, state_entry_time) !=
offsetof(struct compat_vcpu_runstate_info, state_entry_time) + 4);
BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, time) !=
offsetof(struct compat_vcpu_runstate_info, time) + 4);
if (v->kvm->arch.xen.long_mode)
- offset = offsetof(struct vcpu_runstate_info, state_entry_time);
+ user_times = (uint64_t __user *)(ghc->hva +
+ offsetof(struct vcpu_runstate_info,
+ state_entry_time));
#endif
/*
* First write the updated state_entry_time at the appropriate
@@ -172,10 +197,8 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state)
BUILD_BUG_ON(sizeof_field(struct compat_vcpu_runstate_info, state_entry_time) !=
sizeof(state_entry_time));
- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache,
- &state_entry_time, offset,
- sizeof(state_entry_time)))
- return;
+ if (__put_user(state_entry_time, user_times))
+ goto out;
smp_wmb();
/*
@@ -189,11 +212,8 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state)
BUILD_BUG_ON(sizeof_field(struct compat_vcpu_runstate_info, state) !=
sizeof(vx->current_runstate));
- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache,
- &vx->current_runstate,
- offsetof(struct vcpu_runstate_info, state),
- sizeof(vx->current_runstate)))
- return;
+ if (__put_user(vx->current_runstate, user_state))
+ goto out;
/*
* Write the actual runstate times immediately after the
@@ -208,24 +228,23 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state)
BUILD_BUG_ON(sizeof_field(struct vcpu_runstate_info, time) !=
sizeof(vx->runstate_times));
- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache,
- &vx->runstate_times[0],
- offset + sizeof(u64),
- sizeof(vx->runstate_times)))
- return;
-
+ if (__copy_to_user(user_times + 1, vx->runstate_times, sizeof(vx->runstate_times)))
+ goto out;
smp_wmb();
/*
* Finally, clear the XEN_RUNSTATE_UPDATE bit in the guest's
* runstate_entry_time field.
*/
-
state_entry_time &= ~XEN_RUNSTATE_UPDATE;
- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache,
- &state_entry_time, offset,
- sizeof(state_entry_time)))
- return;
+ __put_user(state_entry_time, user_times);
+ smp_wmb();
+
+ out:
+ mark_page_dirty_in_slot(v->kvm, ghc->memslot, ghc->gpa >> PAGE_SHIFT);
+
+ if (atomic)
+ pagefault_enable();
}
int __kvm_xen_has_interrupt(struct kvm_vcpu *v)
@@ -443,6 +462,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
break;
}
+ /* It must fit within a single page */
+ if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct vcpu_info) > PAGE_SIZE) {
+ r = -EINVAL;
+ break;
+ }
+
r = kvm_gfn_to_hva_cache_init(vcpu->kvm,
&vcpu->arch.xen.vcpu_info_cache,
data->u.gpa,
@@ -460,6 +485,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
break;
}
+ /* It must fit within a single page */
+ if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct pvclock_vcpu_time_info) > PAGE_SIZE) {
+ r = -EINVAL;
+ break;
+ }
+
r = kvm_gfn_to_hva_cache_init(vcpu->kvm,
&vcpu->arch.xen.vcpu_time_info_cache,
data->u.gpa,
@@ -481,6 +512,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
break;
}
+ /* It must fit within a single page */
+ if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct vcpu_runstate_info) > PAGE_SIZE) {
+ r = -EINVAL;
+ break;
+ }
+
r = kvm_gfn_to_hva_cache_init(vcpu->kvm,
&vcpu->arch.xen.runstate_cache,
data->u.gpa,
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c
index 42300941ec29..517a9d8d8f94 100644
--- a/arch/x86/xen/enlighten_hvm.c
+++ b/arch/x86/xen/enlighten_hvm.c
@@ -9,6 +9,7 @@
#include <xen/events.h>
#include <xen/interface/memory.h>
+#include <asm/apic.h>
#include <asm/cpu.h>
#include <asm/smp.h>
#include <asm/io_apic.h>
@@ -184,8 +185,7 @@ static int xen_cpu_dead_hvm(unsigned int cpu)
if (xen_have_vector_callback && xen_feature(XENFEAT_hvm_safe_pvclock))
xen_teardown_timer(cpu);
-
- return 0;
+ return 0;
}
static bool no_vector_callback __initdata;
@@ -242,15 +242,14 @@ static __init int xen_parse_no_vector_callback(char *arg)
}
early_param("xen_no_vector_callback", xen_parse_no_vector_callback);
-bool __init xen_hvm_need_lapic(void)
+static __init bool xen_x2apic_available(void)
{
- if (xen_pv_domain())
- return false;
- if (!xen_hvm_domain())
- return false;
- if (xen_feature(XENFEAT_hvm_pirqs) && xen_have_vector_callback)
- return false;
- return true;
+ return x2apic_supported();
+}
+
+static bool __init msi_ext_dest_id(void)
+{
+ return cpuid_eax(xen_cpuid_base() + 4) & XEN_HVM_CPUID_EXT_DEST_ID;
}
static __init void xen_hvm_guest_late_init(void)
@@ -312,9 +311,10 @@ struct hypervisor_x86 x86_hyper_xen_hvm __initdata = {
.detect = xen_platform_hvm,
.type = X86_HYPER_XEN_HVM,
.init.init_platform = xen_hvm_guest_init,
- .init.x2apic_available = xen_x2apic_para_available,
+ .init.x2apic_available = xen_x2apic_available,
.init.init_mem_mapping = xen_hvm_init_mem_mapping,
.init.guest_late_init = xen_hvm_guest_late_init,
+ .init.msi_ext_dest_id = msi_ext_dest_id,
.runtime.pin_vcpu = xen_pin_vcpu,
.ignore_nopv = true,
};
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 5004feb16783..d47c3d176ae4 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1341,10 +1341,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
xen_acpi_sleep_register();
- /* Avoid searching for BIOS MP tables */
- x86_init.mpparse.find_smp_config = x86_init_noop;
- x86_init.mpparse.get_smp_config = x86_init_uint_noop;
-
xen_boot_params_init_edd();
#ifdef CONFIG_ACPI
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 6a8f3b53ab83..4a6019238ee7 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -148,28 +148,12 @@ int xen_smp_intr_init_pv(unsigned int cpu)
return rc;
}
-static void __init xen_fill_possible_map(void)
-{
- int i, rc;
-
- if (xen_initial_domain())
- return;
-
- for (i = 0; i < nr_cpu_ids; i++) {
- rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
- if (rc >= 0) {
- num_processors++;
- set_cpu_possible(i, true);
- }
- }
-}
-
-static void __init xen_filter_cpu_maps(void)
+static void __init _get_smp_config(unsigned int early)
{
int i, rc;
unsigned int subtract = 0;
- if (!xen_initial_domain())
+ if (early)
return;
num_processors = 0;
@@ -210,7 +194,6 @@ static void __init xen_pv_smp_prepare_boot_cpu(void)
* sure the old memory can be recycled. */
make_lowmem_page_readwrite(xen_initial_gdt);
- xen_filter_cpu_maps();
xen_setup_vcpu_info_placement();
/*
@@ -476,5 +459,8 @@ static const struct smp_ops xen_smp_ops __initconst = {
void __init xen_smp_init(void)
{
smp_ops = xen_smp_ops;
- xen_fill_possible_map();
+
+ /* Avoid searching for BIOS MP tables */
+ x86_init.mpparse.find_smp_config = x86_init_noop;
+ x86_init.mpparse.get_smp_config = _get_smp_config;
}
diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c
index 31b1e3477cb6..14ea32e734d5 100644
--- a/arch/x86/xen/vga.c
+++ b/arch/x86/xen/vga.c
@@ -57,6 +57,14 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size)
screen_info->rsvd_size = info->u.vesa_lfb.rsvd_size;
screen_info->rsvd_pos = info->u.vesa_lfb.rsvd_pos;
+ if (size >= offsetof(struct dom0_vga_console_info,
+ u.vesa_lfb.ext_lfb_base)
+ + sizeof(info->u.vesa_lfb.ext_lfb_base)
+ && info->u.vesa_lfb.ext_lfb_base) {
+ screen_info->ext_lfb_base = info->u.vesa_lfb.ext_lfb_base;
+ screen_info->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
+ }
+
if (info->video_type == XEN_VGATYPE_EFI_LFB) {
screen_info->orig_video_isVGA = VIDEO_TYPE_EFI;
break;
@@ -66,14 +74,6 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size)
u.vesa_lfb.mode_attrs)
+ sizeof(info->u.vesa_lfb.mode_attrs))
screen_info->vesa_attributes = info->u.vesa_lfb.mode_attrs;
-
- if (size >= offsetof(struct dom0_vga_console_info,
- u.vesa_lfb.ext_lfb_base)
- + sizeof(info->u.vesa_lfb.ext_lfb_base)
- && info->u.vesa_lfb.ext_lfb_base) {
- screen_info->ext_lfb_base = info->u.vesa_lfb.ext_lfb_base;
- screen_info->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
- }
break;
}
}
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 0c612a911696..36a66e97e3c2 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -7018,6 +7018,8 @@ static void bfq_exit_queue(struct elevator_queue *e)
spin_unlock_irq(&bfqd->lock);
#endif
+ wbt_enable_default(bfqd->queue);
+
kfree(bfqd);
}
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index d25114715459..0827b19820c5 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -373,7 +373,7 @@ void bio_integrity_advance(struct bio *bio, unsigned int bytes_done)
struct blk_integrity *bi = blk_get_integrity(bio->bi_bdev->bd_disk);
unsigned bytes = bio_integrity_bytes(bi, bytes_done >> 9);
- bip->bip_iter.bi_sector += bytes_done >> 9;
+ bip->bip_iter.bi_sector += bio_integrity_intervals(bi, bytes_done >> 9);
bvec_iter_advance(bip->bip_vec, &bip->bip_iter, bytes);
}
diff --git a/block/blk-core.c b/block/blk-core.c
index d93e3bb9a769..1039515c99d6 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -284,13 +284,6 @@ void blk_queue_start_drain(struct request_queue *q)
wake_up_all(&q->mq_freeze_wq);
}
-void blk_set_queue_dying(struct request_queue *q)
-{
- blk_queue_flag_set(QUEUE_FLAG_DYING, q);
- blk_queue_start_drain(q);
-}
-EXPORT_SYMBOL_GPL(blk_set_queue_dying);
-
/**
* blk_cleanup_queue - shutdown a request queue
* @q: request queue to shutdown
@@ -308,7 +301,8 @@ void blk_cleanup_queue(struct request_queue *q)
WARN_ON_ONCE(blk_queue_registered(q));
/* mark @q DYING, no new request or merges will be allowed afterwards */
- blk_set_queue_dying(q);
+ blk_queue_flag_set(QUEUE_FLAG_DYING, q);
+ blk_queue_start_drain(q);
blk_queue_flag_set(QUEUE_FLAG_NOMERGES, q);
blk_queue_flag_set(QUEUE_FLAG_NOXMERGES, q);
diff --git a/block/blk-map.c b/block/blk-map.c
index 4526adde0156..c7f71d83eff1 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -446,7 +446,7 @@ static struct bio *bio_copy_kern(struct request_queue *q, void *data,
if (bytes > len)
bytes = len;
- page = alloc_page(GFP_NOIO | gfp_mask);
+ page = alloc_page(GFP_NOIO | __GFP_ZERO | gfp_mask);
if (!page)
goto cleanup;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1adfe4824ef5..d69ca91fbc8b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -736,6 +736,10 @@ static void blk_complete_request(struct request *req)
/* Completion has already been traced */
bio_clear_flag(bio, BIO_TRACE_COMPLETION);
+
+ if (req_op(req) == REQ_OP_ZONE_APPEND)
+ bio->bi_iter.bi_sector = req->__sector;
+
if (!is_flush)
bio_endio(bio);
bio = next;
diff --git a/block/elevator.c b/block/elevator.c
index ec98aed39c4f..482df2a350fc 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -525,8 +525,6 @@ void elv_unregister_queue(struct request_queue *q)
kobject_del(&e->kobj);
e->registered = 0;
- /* Re-enable throttling in case elevator disabled it */
- wbt_enable_default(q);
}
}
diff --git a/block/fops.c b/block/fops.c
index 26bf15c770d2..a18e7fbd97b8 100644
--- a/