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-rw-r--r--.mailmap8
-rw-r--r--CREDITS4
-rw-r--r--Documentation/ABI/testing/procfs-diskstats5
-rw-r--r--Documentation/ABI/testing/sysfs-block6
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu2
-rw-r--r--Documentation/admin-guide/cgroup-v2.rst20
-rw-r--r--Documentation/admin-guide/hw-vuln/index.rst2
-rw-r--r--Documentation/admin-guide/hw-vuln/multihit.rst163
-rw-r--r--Documentation/admin-guide/hw-vuln/tsx_async_abort.rst276
-rw-r--r--Documentation/admin-guide/iostats.rst9
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt96
-rw-r--r--Documentation/arm64/memory.rst9
-rw-r--r--Documentation/arm64/silicon-errata.rst9
-rw-r--r--Documentation/block/stat.rst14
-rw-r--r--Documentation/core-api/index.rst1
-rw-r--r--Documentation/core-api/memory-allocation.rst4
-rw-r--r--Documentation/core-api/symbol-namespaces.rst (renamed from Documentation/kbuild/namespaces.rst)0
-rw-r--r--Documentation/dev-tools/kasan.rst3
-rw-r--r--Documentation/dev-tools/kselftest.rst16
-rw-r--r--Documentation/devicetree/bindings/arm/rockchip.yaml4
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt7
-rw-r--r--Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml9
-rw-r--r--Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml86
-rw-r--r--Documentation/devicetree/bindings/regulator/fixed-regulator.yaml4
-rw-r--r--Documentation/devicetree/bindings/riscv/cpus.yaml29
-rw-r--r--Documentation/devicetree/bindings/security/tpm/google,cr50.txt19
-rw-r--r--Documentation/devicetree/bindings/serial/renesas,sci-serial.txt2
-rw-r--r--Documentation/devicetree/bindings/usb/amlogic,dwc3.txt4
-rw-r--r--Documentation/devicetree/bindings/usb/generic-ehci.yaml7
-rw-r--r--Documentation/devicetree/bindings/usb/generic-ohci.yaml7
-rw-r--r--Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt4
-rw-r--r--Documentation/devicetree/bindings/usb/mediatek,mtu3.txt4
-rw-r--r--Documentation/devicetree/bindings/usb/usb-hcd.yaml5
-rw-r--r--Documentation/devicetree/bindings/usb/usb-uhci.txt2
-rw-r--r--Documentation/devicetree/bindings/usb/usb-xhci.txt4
-rw-r--r--Documentation/driver-api/libata.rst14
-rw-r--r--Documentation/hwmon/index.rst1
-rw-r--r--Documentation/hwmon/inspur-ipsps1.rst2
-rw-r--r--Documentation/hwmon/k10temp.rst18
-rw-r--r--Documentation/networking/device_drivers/intel/e100.rst14
-rw-r--r--Documentation/networking/device_drivers/intel/e1000.rst12
-rw-r--r--Documentation/networking/device_drivers/intel/e1000e.rst14
-rw-r--r--Documentation/networking/device_drivers/intel/fm10k.rst10
-rw-r--r--Documentation/networking/device_drivers/intel/i40e.rst8
-rw-r--r--Documentation/networking/device_drivers/intel/iavf.rst8
-rw-r--r--Documentation/networking/device_drivers/intel/ice.rst6
-rw-r--r--Documentation/networking/device_drivers/intel/igb.rst12
-rw-r--r--Documentation/networking/device_drivers/intel/igbvf.rst6
-rw-r--r--Documentation/networking/device_drivers/intel/ixgbe.rst10
-rw-r--r--Documentation/networking/device_drivers/intel/ixgbevf.rst6
-rw-r--r--Documentation/networking/device_drivers/pensando/ionic.rst10
-rw-r--r--Documentation/networking/ip-sysctl.txt11
-rw-r--r--Documentation/networking/net_dim.txt36
-rw-r--r--Documentation/networking/tls-offload.rst4
-rw-r--r--Documentation/process/coding-style.rst2
-rw-r--r--Documentation/process/deprecated.rst33
-rw-r--r--Documentation/usb/rio.rst109
-rw-r--r--Documentation/x86/index.rst1
-rw-r--r--Documentation/x86/tsx_async_abort.rst117
-rw-r--r--MAINTAINERS71
-rw-r--r--Makefile16
-rw-r--r--arch/arc/boot/dts/hsdk.dts23
-rw-r--r--arch/arc/configs/hsdk_defconfig6
-rw-r--r--arch/arc/kernel/perf_event.c4
-rw-r--r--arch/arm/boot/dts/am3874-iceboard.dts9
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-zero-w.dts1
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi8
-rw-r--r--arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi4
-rw-r--r--arch/arm/boot/dts/imx6-logicpd-som.dtsi4
-rw-r--r--arch/arm/boot/dts/imx6qdl-sabreauto.dtsi8
-rw-r--r--arch/arm/boot/dts/imx7s.dtsi8
-rw-r--r--arch/arm/boot/dts/logicpd-torpedo-som.dtsi4
-rw-r--r--arch/arm/boot/dts/mt7629-rfb.dts13
-rw-r--r--arch/arm/boot/dts/mt7629.dtsi2
-rw-r--r--arch/arm/boot/dts/omap4-droid4-xt894.dts2
-rw-r--r--arch/arm/boot/dts/omap4-panda-common.dtsi2
-rw-r--r--arch/arm/boot/dts/omap4-sdp.dts2
-rw-r--r--arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi2
-rw-r--r--arch/arm/boot/dts/omap5-board-common.dtsi2
-rw-r--r--arch/arm/boot/dts/omap54xx-clocks.dtsi2
-rw-r--r--arch/arm/boot/dts/stm32mp157-pinctrl.dtsi8
-rw-r--r--arch/arm/boot/dts/stm32mp157c-ev1.dts13
-rw-r--r--arch/arm/boot/dts/stm32mp157c.dtsi4
-rw-r--r--arch/arm/boot/dts/sun4i-a10.dtsi4
-rw-r--r--arch/arm/boot/dts/sun5i.dtsi2
-rw-r--r--arch/arm/boot/dts/sun6i-a31.dtsi4
-rw-r--r--arch/arm/boot/dts/sun7i-a20.dtsi9
-rw-r--r--arch/arm/boot/dts/sun8i-a23-a33.dtsi2
-rw-r--r--arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts1
-rw-r--r--arch/arm/boot/dts/sun8i-a83t.dtsi3
-rw-r--r--arch/arm/boot/dts/sun8i-r40.dtsi4
-rw-r--r--arch/arm/boot/dts/sun9i-a80.dtsi5
-rw-r--r--arch/arm/boot/dts/sunxi-h3-h5.dtsi6
-rw-r--r--arch/arm/boot/dts/vf610-zii-scu4-aib.dts2
-rw-r--r--arch/arm/configs/badge4_defconfig1
-rw-r--r--arch/arm/configs/corgi_defconfig1
-rw-r--r--arch/arm/configs/davinci_all_defconfig1
-rw-r--r--arch/arm/configs/imx_v6_v7_defconfig1
-rw-r--r--arch/arm/configs/omap2plus_defconfig12
-rw-r--r--arch/arm/configs/pxa_defconfig1
-rw-r--r--arch/arm/configs/s3c2410_defconfig1
-rw-r--r--arch/arm/configs/spitz_defconfig1
-rw-r--r--arch/arm/crypto/Kconfig1
-rw-r--r--arch/arm/crypto/aes-ce-core.S1
-rw-r--r--arch/arm/include/asm/domain.h8
-rw-r--r--arch/arm/include/asm/uaccess.h4
-rw-r--r--arch/arm/kernel/head-common.S5
-rw-r--r--arch/arm/kernel/head-nommu.S2
-rw-r--r--arch/arm/mach-davinci/dm365.c4
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c11
-rw-r--r--arch/arm/mach-sunxi/mc_smp.c6
-rw-r--r--arch/arm/mm/alignment.c70
-rw-r--r--arch/arm/mm/proc-v7m.S6
-rw-r--r--arch/arm64/Kconfig32
-rw-r--r--arch/arm64/Makefile16
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts9
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts2
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts6
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi11
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi2
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/stingray-pinctrl.dtsi5
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi3
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts2
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi36
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm.dtsi12
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mn.dtsi12
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi6
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq.dtsi4
-rw-r--r--arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts13
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts4
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts12
-rw-r--r--arch/arm64/include/asm/asm-uaccess.h24
-rw-r--r--arch/arm64/include/asm/atomic_lse.h6
-rw-r--r--arch/arm64/include/asm/cpucaps.h4
-rw-r--r--arch/arm64/include/asm/cputype.h2
-rw-r--r--arch/arm64/include/asm/memory.h10
-rw-r--r--arch/arm64/include/asm/pgtable-prot.h15
-rw-r--r--arch/arm64/include/asm/pgtable.h20
-rw-r--r--arch/arm64/include/asm/sysreg.h2
-rw-r--r--arch/arm64/include/asm/uaccess.h27
-rw-r--r--arch/arm64/include/asm/vdso/compat_barrier.h2
-rw-r--r--arch/arm64/include/asm/vdso/vsyscall.h7
-rw-r--r--arch/arm64/include/asm/vdso_datapage.h33
-rw-r--r--arch/arm64/kernel/armv8_deprecated.c5
-rw-r--r--arch/arm64/kernel/cpu_errata.c101
-rw-r--r--arch/arm64/kernel/cpufeature.c16
-rw-r--r--arch/arm64/kernel/entry.S9
-rw-r--r--arch/arm64/kernel/ftrace.c12
-rw-r--r--arch/arm64/kernel/hibernate.c9
-rw-r--r--arch/arm64/kernel/process.c50
-rw-r--r--arch/arm64/kernel/vdso32/Makefile44
-rw-r--r--arch/arm64/kvm/hyp/switch.c69
-rw-r--r--arch/arm64/kvm/sys_regs.c4
-rw-r--r--arch/arm64/lib/clear_user.S2
-rw-r--r--arch/arm64/lib/copy_from_user.S2
-rw-r--r--arch/arm64/lib/copy_in_user.S2
-rw-r--r--arch/arm64/lib/copy_to_user.S2
-rw-r--r--arch/arm64/lib/uaccess_flushcache.c6
-rw-r--r--arch/arm64/mm/fault.c19
-rw-r--r--arch/mips/bcm63xx/prom.c2
-rw-r--r--arch/mips/configs/mtx1_defconfig1
-rw-r--r--arch/mips/configs/rm200_defconfig1
-rw-r--r--arch/mips/fw/sni/sniprom.c2
-rw-r--r--arch/mips/include/asm/bmips.h10
-rw-r--r--arch/mips/include/asm/cmpxchg.h9
-rw-r--r--arch/mips/include/asm/vdso/gettimeofday.h4
-rw-r--r--arch/mips/include/asm/vdso/vsyscall.h7
-rw-r--r--arch/mips/include/uapi/asm/hwcap.h11
-rw-r--r--arch/mips/kernel/cpu-probe.c33
-rw-r--r--arch/mips/kernel/smp-bmips.c8
-rw-r--r--arch/mips/loongson64/Platform4
-rw-r--r--arch/mips/mm/tlbex.c23
-rw-r--r--arch/mips/sgi-ip27/Kconfig7
-rw-r--r--arch/mips/sgi-ip27/ip27-init.c21
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c4
-rw-r--r--arch/mips/vdso/Makefile1
-rw-r--r--arch/parisc/include/asm/cache.h2
-rw-r--r--arch/parisc/include/asm/ldcw.h2
-rw-r--r--arch/parisc/kernel/entry.S2
-rw-r--r--arch/parisc/mm/ioremap.c12
-rw-r--r--arch/powerpc/include/asm/book3s/32/kup.h1
-rw-r--r--arch/powerpc/include/asm/book3s/64/tlbflush-radix.h4
-rw-r--r--arch/powerpc/include/asm/elf.h3
-rw-r--r--arch/powerpc/kernel/prom_init.c13
-rw-r--r--arch/powerpc/kernel/prom_init_check.sh3
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S1
-rw-r--r--arch/powerpc/kvm/book3s_xive.c24
-rw-r--r--arch/powerpc/kvm/book3s_xive.h12
-rw-r--r--arch/powerpc/kvm/book3s_xive_native.c6
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c13
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c1
-rw-r--r--arch/powerpc/platforms/powernv/eeh-powernv.c2
-rw-r--r--arch/powerpc/platforms/powernv/smp.c53
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c3
-rw-r--r--arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts1
-rw-r--r--arch/riscv/include/asm/bug.h16
-rw-r--r--arch/riscv/include/asm/io.h7
-rw-r--r--arch/riscv/include/asm/irq.h3
-rw-r--r--arch/riscv/include/asm/pgtable.h28
-rw-r--r--arch/riscv/include/asm/switch_to.h1
-rw-r--r--arch/riscv/include/asm/tlbflush.h4
-rw-r--r--arch/riscv/kernel/cpufeature.c1
-rw-r--r--arch/riscv/kernel/entry.S3
-rw-r--r--arch/riscv/kernel/head.h21
-rw-r--r--arch/riscv/kernel/irq.c2
-rw-r--r--arch/riscv/kernel/module-sections.c1
-rw-r--r--arch/riscv/kernel/process.c2
-rw-r--r--arch/riscv/kernel/ptrace.c4
-rw-r--r--arch/riscv/kernel/reset.c1
-rw-r--r--arch/riscv/kernel/setup.c2
-rw-r--r--arch/riscv/kernel/signal.c8
-rw-r--r--arch/riscv/kernel/smp.c2
-rw-r--r--arch/riscv/kernel/smpboot.c5
-rw-r--r--arch/riscv/kernel/syscall_table.c1
-rw-r--r--arch/riscv/kernel/time.c1
-rw-r--r--arch/riscv/kernel/traps.c31
-rw-r--r--arch/riscv/kernel/vdso.c3
-rw-r--r--arch/riscv/mm/context.c1
-rw-r--r--arch/riscv/mm/fault.c2
-rw-r--r--arch/riscv/mm/init.c7
-rw-r--r--arch/riscv/mm/sifive_l2_cache.c2
-rw-r--r--arch/s390/boot/startup.c14
-rw-r--r--arch/s390/include/asm/uaccess.h4
-rw-r--r--arch/s390/include/asm/unwind.h1
-rw-r--r--arch/s390/kernel/idle.c29
-rw-r--r--arch/s390/kernel/machine_kexec_reloc.c1
-rw-r--r--arch/s390/kernel/unwind_bc.c18
-rw-r--r--arch/s390/mm/cmm.c12
-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/vdso/Makefile4
-rw-r--r--arch/um/drivers/ubd_kern.c8
-rw-r--r--arch/x86/Kconfig45
-rw-r--r--arch/x86/boot/compressed/acpi.c48
-rw-r--r--arch/x86/boot/compressed/eboot.c4
-rw-r--r--arch/x86/boot/compressed/misc.c25
-rw-r--r--arch/x86/events/amd/core.c30
-rw-r--r--arch/x86/events/amd/ibs.c8
-rw-r--r--arch/x86/events/intel/core.c4
-rw-r--r--arch/x86/events/intel/cstate.c44
-rw-r--r--arch/x86/events/intel/pt.c2
-rw-r--r--arch/x86/events/intel/uncore.c44
-rw-r--r--arch/x86/events/intel/uncore.h12
-rw-r--r--arch/x86/events/msr.c7
-rw-r--r--arch/x86/hyperv/hv_apic.c20
-rw-r--r--arch/x86/include/asm/cpu_entry_area.h2
-rw-r--r--arch/x86/include/asm/cpufeatures.h2
-rw-r--r--arch/x86/include/asm/intel-family.h3
-rw-r--r--arch/x86/include/asm/kvm_host.h8
-rw-r--r--arch/x86/include/asm/msr-index.h16
-rw-r--r--arch/x86/include/asm/mwait.h2
-rw-r--r--arch/x86/include/asm/nospec-branch.h4
-rw-r--r--arch/x86/include/asm/processor.h7
-rw-r--r--arch/x86/include/asm/pti.h2
-rw-r--r--arch/x86/include/asm/uaccess.h23
-rw-r--r--arch/x86/include/asm/vmware.h14
-rw-r--r--arch/x86/kernel/apic/apic.c28
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c3
-rw-r--r--arch/x86/kernel/cpu/Makefile2
-rw-r--r--arch/x86/kernel/cpu/bugs.c159
-rw-r--r--arch/x86/kernel/cpu/common.c99
-rw-r--r--arch/x86/kernel/cpu/cpu.h18
-rw-r--r--arch/x86/kernel/cpu/intel.c5
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c4
-rw-r--r--arch/x86/kernel/cpu/resctrl/ctrlmondata.c4
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c4
-rw-r--r--arch/x86/kernel/cpu/tsx.c140
-rw-r--r--arch/x86/kernel/cpu/vmware.c2
-rw-r--r--arch/x86/kernel/dumpstack_64.c7
-rw-r--r--arch/x86/kernel/early-quirks.c2
-rw-r--r--arch/x86/kernel/head64.c22
-rw-r--r--arch/x86/kernel/process.h2
-rw-r--r--arch/x86/kernel/tsc.c3
-rw-r--r--arch/x86/kvm/cpuid.c2
-rw-r--r--arch/x86/kvm/lapic.c5
-rw-r--r--arch/x86/kvm/lapic.h5
-rw-r--r--arch/x86/kvm/mmu.c282
-rw-r--r--arch/x86/kvm/mmu.h4
-rw-r--r--arch/x86/kvm/paging_tmpl.h29
-rw-r--r--arch/x86/kvm/svm.c16
-rw-r--r--arch/x86/kvm/vmx/nested.c64
-rw-r--r--arch/x86/kvm/vmx/nested.h13
-rw-r--r--arch/x86/kvm/vmx/vmx.c49
-rw-r--r--arch/x86/kvm/vmx/vmx.h11
-rw-r--r--arch/x86/kvm/x86.c118
-rw-r--r--arch/x86/lib/delay.c4
-rw-r--r--arch/x86/platform/efi/efi.c3
-rw-r--r--arch/x86/xen/enlighten.c28
-rw-r--r--arch/x86/xen/enlighten_pv.c8
-rw-r--r--arch/xtensa/boot/dts/virt.dts2
-rw-r--r--arch/xtensa/include/asm/bitops.h2
-rw-r--r--arch/xtensa/include/asm/uaccess.h94
-rw-r--r--arch/xtensa/kernel/xtensa_ksyms.c7
-rw-r--r--block/Kconfig4
-rw-r--r--block/Kconfig.iosched1
-rw-r--r--block/Makefile1
-rw-r--r--block/bfq-cgroup.c85
-rw-r--r--block/bfq-iosched.c36
-rw-r--r--block/bfq-iosched.h10
-rw-r--r--block/bio.c2
-rw-r--r--block/blk-cgroup-rwstat.c129
-rw-r--r--block/blk-cgroup-rwstat.h149
-rw-r--r--block/blk-cgroup.c386
-rw-r--r--block/blk-flush.c15
-rw-r--r--block/blk-iocost.c12
-rw-r--r--block/blk-merge.c3
-rw-r--r--block/blk-mq-tag.c8
-rw-r--r--block/blk-mq-tag.h1
-rw-r--r--block/blk-mq.c6
-rw-r--r--block/blk-rq-qos.c14
-rw-r--r--block/blk-rq-qos.h17
-rw-r--r--block/blk-softirq.c4
-rw-r--r--block/blk-throttle.c71
-rw-r--r--block/blk-wbt.c6
-rw-r--r--block/elevator.c3
-rw-r--r--block/genhd.c8
-rw-r--r--block/opal_proto.h4
-rw-r--r--block/partition-generic.c7
-rw-r--r--block/sed-opal.c6
-rw-r--r--crypto/asymmetric_keys/asym_tpm.c101
-rw-r--r--drivers/acpi/cppc_acpi.c2
-rw-r--r--drivers/acpi/hmat/hmat.c2
-rw-r--r--drivers/acpi/nfit/core.c2
-rw-r--r--drivers/acpi/processor_driver.c9
-rw-r--r--drivers/acpi/processor_perflib.c40
-rw-r--r--drivers/acpi/processor_thermal.c42
-rw-r--r--drivers/acpi/sleep.c13
-rw-r--r--drivers/amba/bus.c14
-rw-r--r--drivers/android/binder.c11
-rw-r--r--drivers/android/binder_alloc.c8
-rw-r--r--drivers/android/binder_internal.h2
-rw-r--r--drivers/ata/acard-ahci.c6
-rw-r--r--drivers/ata/ahci.c17
-rw-r--r--drivers/ata/ahci_tegra.c6
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-rw-r--r--tools/perf/arch/powerpc/util/header.c3
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-rwxr-xr-xtools/perf/check-headers.sh1
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-rw-r--r--tools/perf/pmu-events/arch/s390/cf_z15/basic.json (renamed from tools/perf/pmu-events/arch/s390/cf_m8561/basic.json)0
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1777 files changed, 23829 insertions, 13965 deletions
diff --git a/.mailmap b/.mailmap
index edcac87e76c8..fd6219293057 100644
--- a/.mailmap
+++ b/.mailmap
@@ -108,6 +108,10 @@ Jason Gunthorpe <jgg@ziepe.ca> <jgg@mellanox.com>
Jason Gunthorpe <jgg@ziepe.ca> <jgunthorpe@obsidianresearch.com>
Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
+Jayachandran C <c.jayachandran@gmail.com> <jayachandranc@netlogicmicro.com>
+Jayachandran C <c.jayachandran@gmail.com> <jchandra@broadcom.com>
+Jayachandran C <c.jayachandran@gmail.com> <jchandra@digeo.com>
+Jayachandran C <c.jayachandran@gmail.com> <jnair@caviumnetworks.com>
Jean Tourrilhes <jt@hpl.hp.com>
<jean-philippe@linaro.org> <jean-philippe.brucker@arm.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>
@@ -196,7 +200,8 @@ Oleksij Rempel <linux@rempel-privat.de> <o.rempel@pengutronix.de>
Oleksij Rempel <linux@rempel-privat.de> <ore@pengutronix.de>
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Patrick Mochel <mochel@digitalimplant.org>
-Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com>
+Paul Burton <paulburton@kernel.org> <paul.burton@imgtec.com>
+Paul Burton <paulburton@kernel.org> <paul.burton@mips.com>
Peter A Jonsson <pj@ludd.ltu.se>
Peter Oruba <peter@oruba.de>
Peter Oruba <peter.oruba@amd.com>
@@ -229,6 +234,7 @@ Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com>
Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com>
Shuah Khan <shuah@kernel.org> <shuahkh@osg.samsung.com>
Shuah Khan <shuah@kernel.org> <shuah.kh@samsung.com>
+Simon Arlott <simon@octiron.net> <simon@fire.lp0.eu>
Simon Kelley <simon@thekelleys.org.uk>
St├ęphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
Stephen Hemminger <shemminger@osdl.org>
diff --git a/CREDITS b/CREDITS
index 8b67a85844b5..031605d46b4d 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1637,6 +1637,10 @@ S: Panoramastrasse 18
S: D-69126 Heidelberg
S: Germany
+N: Simon Horman
+M: horms@verge.net.au
+D: Renesas ARM/ARM64 SoC maintainer
+
N: Christopher Horn
E: chorn@warwick.net
D: Miscellaneous sysctl hacks
diff --git a/Documentation/ABI/testing/procfs-diskstats b/Documentation/ABI/testing/procfs-diskstats
index 2c44b4f1b060..70dcaf2481f4 100644
--- a/Documentation/ABI/testing/procfs-diskstats
+++ b/Documentation/ABI/testing/procfs-diskstats
@@ -29,4 +29,9 @@ Description:
17 - sectors discarded
18 - time spent discarding
+ Kernel 5.5+ appends two more fields for flush requests:
+
+ 19 - flush requests completed successfully
+ 20 - time spent flushing
+
For more details refer to Documentation/admin-guide/iostats.rst
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index f8c7c7126bb1..ed8c14f161ee 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -15,6 +15,12 @@ Description:
9 - I/Os currently in progress
10 - time spent doing I/Os (ms)
11 - weighted time spent doing I/Os (ms)
+ 12 - discards completed
+ 13 - discards merged
+ 14 - sectors discarded
+ 15 - time spent discarding (ms)
+ 16 - flush requests completed
+ 17 - time spent flushing (ms)
For more details refer Documentation/admin-guide/iostats.rst
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 06d0931119cc..fc20cde63d1e 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -486,6 +486,8 @@ What: /sys/devices/system/cpu/vulnerabilities
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass
/sys/devices/system/cpu/vulnerabilities/l1tf
/sys/devices/system/cpu/vulnerabilities/mds
+ /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
+ /sys/devices/system/cpu/vulnerabilities/itlb_multihit
Date: January 2018
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Information about CPU vulnerabilities
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 0fa8c0e615c2..5361ebec3361 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -615,8 +615,8 @@ on an IO device and is an example of this type.
Protections
-----------
-A cgroup is protected to be allocated upto the configured amount of
-the resource if the usages of all its ancestors are under their
+A cgroup is protected upto the configured amount of the resource
+as long as the usages of all its ancestors are under their
protected levels. Protections can be hard guarantees or best effort
soft boundaries. Protections can also be over-committed in which case
only upto the amount available to the parent is protected among
@@ -1096,7 +1096,10 @@ PAGE_SIZE multiple when read back.
is within its effective min boundary, the cgroup's memory
won't be reclaimed under any conditions. If there is no
unprotected reclaimable memory available, OOM killer
- is invoked.
+ is invoked. Above the effective min boundary (or
+ effective low boundary if it is higher), pages are reclaimed
+ proportionally to the overage, reducing reclaim pressure for
+ smaller overages.
Effective min boundary is limited by memory.min values of
all ancestor cgroups. If there is memory.min overcommitment
@@ -1118,7 +1121,10 @@ PAGE_SIZE multiple when read back.
Best-effort memory protection. If the memory usage of a
cgroup is within its effective low boundary, the cgroup's
memory won't be reclaimed unless memory can be reclaimed
- from unprotected cgroups.
+ from unprotected cgroups. Above the effective low boundary (or
+ effective min boundary if it is higher), pages are reclaimed
+ proportionally to the overage, reducing reclaim pressure for
+ smaller overages.
Effective low boundary is limited by memory.low values of
all ancestor cgroups. If there is memory.low overcommitment
@@ -2482,8 +2488,10 @@ system performance due to overreclaim, to the point where the feature
becomes self-defeating.
The memory.low boundary on the other hand is a top-down allocated
-reserve. A cgroup enjoys reclaim protection when it's within its low,
-which makes delegation of subtrees possible.
+reserve. A cgroup enjoys reclaim protection when it's within its
+effective low, which makes delegation of subtrees possible. It also
+enjoys having reclaim pressure proportional to its overage when
+above its effective low.
The original high boundary, the hard limit, is defined as a strict
limit that can not budge, even if the OOM killer has to be called.
diff --git a/Documentation/admin-guide/hw-vuln/index.rst b/Documentation/admin-guide/hw-vuln/index.rst
index 49311f3da6f2..0795e3c2643f 100644
--- a/Documentation/admin-guide/hw-vuln/index.rst
+++ b/Documentation/admin-guide/hw-vuln/index.rst
@@ -12,3 +12,5 @@ are configurable at compile, boot or run time.
spectre
l1tf
mds
+ tsx_async_abort
+ multihit.rst
diff --git a/Documentation/admin-guide/hw-vuln/multihit.rst b/Documentation/admin-guide/hw-vuln/multihit.rst
new file mode 100644
index 000000000000..ba9988d8bce5
--- /dev/null
+++ b/Documentation/admin-guide/hw-vuln/multihit.rst
@@ -0,0 +1,163 @@
+iTLB multihit
+=============
+
+iTLB multihit is an erratum where some processors may incur a machine check
+error, possibly resulting in an unrecoverable CPU lockup, when an
+instruction fetch hits multiple entries in the instruction TLB. This can
+occur when the page size is changed along with either the physical address
+or cache type. A malicious guest running on a virtualized system can
+exploit this erratum to perform a denial of service attack.
+
+
+Affected processors
+-------------------
+
+Variations of this erratum are present on most Intel Core and Xeon processor
+models. The erratum is not present on:
+
+ - non-Intel processors
+
+ - Some Atoms (Airmont, Bonnell, Goldmont, GoldmontPlus, Saltwell, Silvermont)
+
+ - Intel processors that have the PSCHANGE_MC_NO bit set in the
+ IA32_ARCH_CAPABILITIES MSR.
+
+
+Related CVEs
+------------
+
+The following CVE entry is related to this issue:
+
+ ============== =================================================
+ CVE-2018-12207 Machine Check Error Avoidance on Page Size Change
+ ============== =================================================
+
+
+Problem
+-------
+
+Privileged software, including OS and virtual machine managers (VMM), are in
+charge of memory management. A key component in memory management is the control
+of the page tables. Modern processors use virtual memory, a technique that creates
+the illusion of a very large memory for processors. This virtual space is split
+into pages of a given size. Page tables translate virtual addresses to physical
+addresses.
+
+To reduce latency when performing a virtual to physical address translation,
+processors include a structure, called TLB, that caches recent translations.
+There are separate TLBs for instruction (iTLB) and data (dTLB).
+
+Under this errata, instructions are fetched from a linear address translated
+using a 4 KB translation cached in the iTLB. Privileged software modifies the
+paging structure so that the same linear address using large page size (2 MB, 4
+MB, 1 GB) with a different physical address or memory type. After the page
+structure modification but before the software invalidates any iTLB entries for
+the linear address, a code fetch that happens on the same linear address may
+cause a machine-check error which can result in a system hang or shutdown.
+
+
+Attack scenarios
+----------------
+
+Attacks against the iTLB multihit erratum can be mounted from malicious
+guests in a virtualized system.
+
+
+iTLB multihit system information
+--------------------------------
+
+The Linux kernel provides a sysfs interface to enumerate the current iTLB
+multihit status of the system:whether the system is vulnerable and which
+mitigations are active. The relevant sysfs file is:
+
+/sys/devices/system/cpu/vulnerabilities/itlb_multihit
+
+The possible values in this file are:
+
+.. list-table::
+
+ * - Not affected
+ - The processor is not vulnerable.
+ * - KVM: Mitigation: Split huge pages
+ - Software changes mitigate this issue.
+ * - KVM: Vulnerable
+ - The processor is vulnerable, but no mitigation enabled
+
+
+Enumeration of the erratum
+--------------------------------
+
+A new bit has been allocated in the IA32_ARCH_CAPABILITIES (PSCHANGE_MC_NO) msr
+and will be set on CPU's which are mitigated against this issue.
+
+ ======================================= =========== ===============================
+ IA32_ARCH_CAPABILITIES MSR Not present Possibly vulnerable,check model
+ IA32_ARCH_CAPABILITIES[PSCHANGE_MC_NO] '0' Likely vulnerable,check model
+ IA32_ARCH_CAPABILITIES[PSCHANGE_MC_NO] '1' Not vulnerable
+ ======================================= =========== ===============================
+
+
+Mitigation mechanism
+-------------------------
+
+This erratum can be mitigated by restricting the use of large page sizes to
+non-executable pages. This forces all iTLB entries to be 4K, and removes
+the possibility of multiple hits.
+
+In order to mitigate the vulnerability, KVM initially marks all huge pages
+as non-executable. If the guest attempts to execute in one of those pages,
+the page is broken down into 4K pages, which are then marked executable.
+
+If EPT is disabled or not available on the host, KVM is in control of TLB
+flushes and the problematic situation cannot happen. However, the shadow
+EPT paging mechanism used by nested virtualization is vulnerable, because
+the nested guest can trigger multiple iTLB hits by modifying its own
+(non-nested) page tables. For simplicity, KVM will make large pages
+non-executable in all shadow paging modes.
+
+Mitigation control on the kernel command line and KVM - module parameter
+------------------------------------------------------------------------
+
+The KVM hypervisor mitigation mechanism for marking huge pages as
+non-executable can be controlled with a module parameter "nx_huge_pages=".
+The kernel command line allows to control the iTLB multihit mitigations at
+boot time with the option "kvm.nx_huge_pages=".
+
+The valid arguments for these options are:
+
+ ========== ================================================================
+ force Mitigation is enabled. In this case, the mitigation implements
+ non-executable huge pages in Linux kernel KVM module. All huge
+ pages in the EPT are marked as non-executable.
+ If a guest attempts to execute in one of those pages, the page is
+ broken down into 4K pages, which are then marked executable.
+
+ off Mitigation is disabled.
+
+ auto Enable mitigation only if the platform is affected and the kernel
+ was not booted with the "mitigations=off" command line parameter.
+ This is the default option.
+ ========== ================================================================
+
+
+Mitigation selection guide
+--------------------------
+
+1. No virtualization in use
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+ The system is protected by the kernel unconditionally and no further
+ action is required.
+
+2. Virtualization with trusted guests
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+ If the guest comes from a trusted source, you may assume that the guest will
+ not attempt to maliciously exploit these errata and no further action is
+ required.
+
+3. Virtualization with untrusted guests
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ If the guest comes from an untrusted source, the guest host kernel will need
+ to apply iTLB multihit mitigation via the kernel command line or kvm
+ module parameter.
diff --git a/Documentation/admin-guide/hw-vuln/tsx_async_abort.rst b/Documentation/admin-guide/hw-vuln/tsx_async_abort.rst
new file mode 100644
index 000000000000..fddbd7579c53
--- /dev/null
+++ b/Documentation/admin-guide/hw-vuln/tsx_async_abort.rst
@@ -0,0 +1,276 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+TAA - TSX Asynchronous Abort
+======================================
+
+TAA is a hardware vulnerability that allows unprivileged speculative access to
+data which is available in various CPU internal buffers by using asynchronous
+aborts within an Intel TSX transactional region.
+
+Affected processors
+-------------------
+
+This vulnerability only affects Intel processors that support Intel
+Transactional Synchronization Extensions (TSX) when the TAA_NO bit (bit 8)
+is 0 in the IA32_ARCH_CAPABILITIES MSR. On processors where the MDS_NO bit
+(bit 5) is 0 in the IA32_ARCH_CAPABILITIES MSR, the existing MDS mitigations
+also mitigate against TAA.
+
+Whether a processor is affected or not can be read out from the TAA
+vulnerability file in sysfs. See :ref:`tsx_async_abort_sys_info`.
+
+Related CVEs
+------------
+
+The following CVE entry is related to this TAA issue:
+
+ ============== ===== ===================================================
+ CVE-2019-11135 TAA TSX Asynchronous Abort (TAA) condition on some
+ microprocessors utilizing speculative execution may
+ allow an authenticated user to potentially enable
+ information disclosure via a side channel with
+ local access.
+ ============== ===== ===================================================
+
+Problem
+-------
+
+When performing store, load or L1 refill operations, processors write
+data into temporary microarchitectural structures (buffers). The data in
+those buffers can be forwarded to load operations as an optimization.
+
+Intel TSX is an extension to the x86 instruction set architecture that adds
+hardware transactional memory support to improve performance of multi-threaded
+software. TSX lets the processor expose and exploit concurrency hidden in an
+application due to dynamically avoiding unnecessary synchronization.
+
+TSX supports atomic memory transactions that are either committed (success) or
+aborted. During an abort, operations that happened within the transactional region
+are rolled back. An asynchronous abort takes place, among other options, when a
+different thread accesses a cache line that is also used within the transactional
+region when that access might lead to a data race.
+
+Immediately after an uncompleted asynchronous abort, certain speculatively
+executed loads may read data from those internal buffers and pass it to dependent
+operations. This can be then used to infer the value via a cache side channel
+attack.
+
+Because the buffers are potentially shared between Hyper-Threads cross
+Hyper-Thread attacks are possible.
+
+The victim of a malicious actor does not need to make use of TSX. Only the
+attacker needs to begin a TSX transaction and raise an asynchronous abort
+which in turn potenitally leaks data stored in the buffers.
+
+More detailed technical information is available in the TAA specific x86
+architecture section: :ref:`Documentation/x86/tsx_async_abort.rst <tsx_async_abort>`.
+
+
+Attack scenarios
+----------------
+
+Attacks against the TAA vulnerability can be implemented from unprivileged
+applications running on hosts or guests.
+
+As for MDS, the attacker has no control over the memory addresses that can
+be leaked. Only the victim is responsible for bringing data to the CPU. As
+a result, the malicious actor has to sample as much data as possible and
+then postprocess it to try to infer any useful information from it.
+
+A potential attacker only has read access to the data. Also, there is no direct
+privilege escalation by using this technique.
+
+
+.. _tsx_async_abort_sys_info:
+
+TAA system information
+-----------------------
+
+The Linux kernel provides a sysfs interface to enumerate the current TAA status
+of mitigated systems. The relevant sysfs file is:
+
+/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
+
+The possible values in this file are:
+
+.. list-table::
+
+ * - 'Vulnerable'
+ - The CPU is affected by this vulnerability and the microcode and kernel mitigation are not applied.
+ * - 'Vulnerable: Clear CPU buffers attempted, no microcode'
+ - The system tries to clear the buffers but the microcode might not support the operation.
+ * - 'Mitigation: Clear CPU buffers'
+ - The microcode has been updated to clear the buffers. TSX is still enabled.
+ * - 'Mitigation: TSX disabled'
+ - TSX is disabled.
+ * - 'Not affected'
+ - The CPU is not affected by this issue.
+
+.. _ucode_needed:
+
+Best effort mitigation mode
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If the processor is vulnerable, but the availability of the microcode-based
+mitigation mechanism is not advertised via CPUID the kernel selects a best
+effort mitigation mode. This mode invokes the mitigation instructions
+without a guarantee that they clear the CPU buffers.
+
+This is done to address virtualization scenarios where the host has the
+microcode update applied, but the hypervisor is not yet updated to expose the
+CPUID to the guest. If the host has updated microcode the protection takes
+effect; otherwise a few CPU cycles are wasted pointlessly.
+
+The state in the tsx_async_abort sysfs file reflects this situation
+accordingly.
+
+
+Mitigation mechanism
+--------------------
+
+The kernel detects the affected CPUs and the presence of the microcode which is
+required. If a CPU is affected and the microcode is available, then the kernel
+enables the mitigation by default.
+
+
+The mitigation can be controlled at boot time via a kernel command line option.
+See :ref:`taa_mitigation_control_command_line`.
+
+.. _virt_mechanism:
+
+Virtualization mitigation
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Affected systems where the host has TAA microcode and TAA is mitigated by
+having disabled TSX previously, are not vulnerable regardless of the status
+of the VMs.
+
+In all other cases, if the host either does not have the TAA microcode or
+the kernel is not mitigated, the system might be vulnerable.
+
+
+.. _taa_mitigation_control_command_line:
+
+Mitigation control on the kernel command line
+---------------------------------------------
+
+The kernel command line allows to control the TAA mitigations at boot time with
+the option "tsx_async_abort=". The valid arguments for this option are:
+
+ ============ =============================================================
+ off This option disables the TAA mitigation on affected platforms.
+ If the system has TSX enabled (see next parameter) and the CPU
+ is affected, the system is vulnerable.
+
+ full TAA mitigation is enabled. If TSX is enabled, on an affected
+ system it will clear CPU buffers on ring transitions. On
+ systems which are MDS-affected and deploy MDS mitigation,
+ TAA is also mitigated. Specifying this option on those
+ systems will have no effect.
+
+ full,nosmt The same as tsx_async_abort=full, with SMT disabled on
+ vulnerable CPUs that have TSX enabled. This is the complete
+ mitigation. When TSX is disabled, SMT is not disabled because
+ CPU is not vulnerable to cross-thread TAA attacks.
+ ============ =============================================================
+
+Not specifying this option is equivalent to "tsx_async_abort=full".
+
+The kernel command line also allows to control the TSX feature using the
+parameter "tsx=" on CPUs which support TSX control. MSR_IA32_TSX_CTRL is used
+to control the TSX feature and the enumeration of the TSX feature bits (RTM
+and HLE) in CPUID.
+
+The valid options are:
+
+ ============ =============================================================
+ off Disables TSX on the system.
+
+ Note that this option takes effect only on newer CPUs which are
+ not vulnerable to MDS, i.e., have MSR_IA32_ARCH_CAPABILITIES.MDS_NO=1
+ and which get the new IA32_TSX_CTRL MSR through a microcode
+ update. This new MSR allows for the reliable deactivation of
+ the TSX functionality.
+
+ on Enables TSX.
+
+ Although there are mitigations for all known security
+ vulnerabilities, TSX has been known to be an accelerator for
+ several previous speculation-related CVEs, and so there may be
+ unknown security risks associated with leaving it enabled.
+
+ auto Disables TSX if X86_BUG_TAA is present, otherwise enables TSX
+ on the system.
+ ============ =============================================================
+
+Not specifying this option is equivalent to "tsx=off".
+
+The following combinations of the "tsx_async_abort" and "tsx" are possible. For
+affected platforms tsx=auto is equivalent to tsx=off and the result will be:
+
+ ========= ========================== =========================================
+ tsx=on tsx_async_abort=full The system will use VERW to clear CPU
+ buffers. Cross-thread attacks are still
+ possible on SMT machines.
+ tsx=on tsx_async_abort=full,nosmt As above, cross-thread attacks on SMT
+ mitigated.
+ tsx=on tsx_async_abort=off The system is vulnerable.
+ tsx=off tsx_async_abort=full TSX might be disabled if microcode
+ provides a TSX control MSR. If so,
+ system is not vulnerable.
+ tsx=off tsx_async_abort=full,nosmt Ditto
+ tsx=off tsx_async_abort=off ditto
+ ========= ========================== =========================================
+
+
+For unaffected platforms "tsx=on" and "tsx_async_abort=full" does not clear CPU
+buffers. For platforms without TSX control (MSR_IA32_ARCH_CAPABILITIES.MDS_NO=0)
+"tsx" command line argument has no effect.
+
+For the affected platforms below table indicates the mitigation status for the
+combinations of CPUID bit MD_CLEAR and IA32_ARCH_CAPABILITIES MSR bits MDS_NO
+and TSX_CTRL_MSR.
+
+ ======= ========= ============= ========================================
+ MDS_NO MD_CLEAR TSX_CTRL_MSR Status
+ ======= ========= ============= ========================================
+ 0 0 0 Vulnerable (needs microcode)
+ 0 1 0 MDS and TAA mitigated via VERW
+ 1 1 0 MDS fixed, TAA vulnerable if TSX enabled
+ because MD_CLEAR has no meaning and
+ VERW is not guaranteed to clear buffers
+ 1 X 1 MDS fixed, TAA can be mitigated by
+ VERW or TSX_CTRL_MSR
+ ======= ========= ============= ========================================
+
+Mitigation selection guide
+--------------------------
+
+1. Trusted userspace and guests
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If all user space applications are from a trusted source and do not execute
+untrusted code which is supplied externally, then the mitigation can be
+disabled. The same applies to virtualized environments with trusted guests.
+
+
+2. Untrusted userspace and guests
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If there are untrusted applications or guests on the system, enabling TSX
+might allow a malicious actor to leak data from the host or from other
+processes running on the same physical core.
+
+If the microcode is available and the TSX is disabled on the host, attacks
+are prevented in a virtualized environment as well, even if the VMs do not
+explicitly enable the mitigation.
+
+
+.. _taa_default_mitigations:
+
+Default mitigations
+-------------------
+
+The kernel's default action for vulnerable processors is:
+
+ - Deploy TSX disable mitigation (tsx_async_abort=full tsx=off).
diff --git a/Documentation/admin-guide/iostats.rst b/Documentation/admin-guide/iostats.rst
index 5d63b18bd6d1..4f0462af3ca7 100644
--- a/Documentation/admin-guide/iostats.rst
+++ b/Documentation/admin-guide/iostats.rst
@@ -121,6 +121,15 @@ Field 15 -- # of milliseconds spent discarding
This is the total number of milliseconds spent by all discards (as
measured from __make_request() to end_that_request_last()).
+Field 16 -- # of flush requests completed
+ This is the total number of flush requests completed successfully.
+
+ Block layer combines flush requests and executes at most one at a time.
+ This counts flush requests executed by disk. Not tracked for partitions.
+
+Field 17 -- # of milliseconds spent flushing
+ This is the total number of milliseconds spent by all flush requests.
+
To avoid introducing performance bottlenecks, no locks are held while
modifying these counters. This implies that minor inaccuracies may be
introduced when changes collide, so (for instance) adding up all the
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c7ac2f3ac99f..8dee8f68fe15 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2055,6 +2055,25 @@
KVM MMU at runtime.
Default is 0 (off)
+ kvm.nx_huge_pages=
+ [KVM] Controls the software workaround for the
+ X86_BUG_ITLB_MULTIHIT bug.
+ force : Always deploy workaround.
+ off : Never deploy workaround.
+ auto : Deploy workaround based on the presence of
+ X86_BUG_ITLB_MULTIHIT.
+
+ Default is 'auto'.
+
+ If the software workaround is enabled for the host,
+ guests do need not to enable it for nested guests.
+
+ kvm.nx_huge_pages_recovery_ratio=
+ [KVM] Controls how many 4KiB pages are periodically zapped
+ back to huge pages. 0 disables the recovery, otherwise if
+ the value is N KVM will zap 1/Nth of the 4KiB pages every
+ minute. The default is 60.
+
kvm-amd.nested= [KVM,AMD] Allow nested virtualization in KVM/SVM.
Default is 1 (enabled)
@@ -2636,6 +2655,13 @@
ssbd=force-off [ARM64]
l1tf=off [X86]
mds=off [X86]
+ tsx_async_abort=off [X86]
+ kvm.nx_huge_pages=off [X86]
+
+ Exceptions:
+ This does not have any effect on
+ kvm.nx_huge_pages when
+ kvm.nx_huge_pages=force.
auto (default)
Mitigate all CPU vulnerabilities, but leave SMT
@@ -2651,6 +2677,7 @@
be fully mitigated, even if it means losing SMT.
Equivalent to: l1tf=flush,nosmt [X86]
mds=full,nosmt [X86]
+ tsx_async_abort=full,nosmt [X86]
mminit_loglevel=
[KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
@@ -4848,6 +4875,71 @@
interruptions from clocksource watchdog are not
acceptable).
+ tsx= [X86] Control Transactional Synchronization
+ Extensions (TSX) feature in Intel processors that
+ support TSX control.
+
+ This parameter controls the TSX feature. The options are:
+
+ on - Enable TSX on the system. Although there are
+ mitigations for all known security vulnerabilities,
+ TSX has been known to be an accelerator for
+ several previous speculation-related CVEs, and
+ so there may be unknown security risks associated
+ with leaving it enabled.
+
+ off - Disable TSX on the system. (Note that this
+ option takes effect only on newer CPUs which are
+ not vulnerable to MDS, i.e., have
+ MSR_IA32_ARCH_CAPABILITIES.MDS_NO=1 and which get
+ the new IA32_TSX_CTRL MSR through a microcode
+ update. This new MSR allows for the reliable
+ deactivation of the TSX functionality.)
+
+ auto - Disable TSX if X86_BUG_TAA is present,
+ otherwise enable TSX on the system.
+
+ Not specifying this option is equivalent to tsx=off.
+
+ See Documentation/admin-guide/hw-vuln/tsx_async_abort.rst
+ for more details.
+
+ tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
+ Abort (TAA) vulnerability.
+
+ Similar to Micro-architectural Data Sampling (MDS)
+ certain CPUs that support Transactional
+ Synchronization Extensions (TSX) are vulnerable to an
+ exploit against CPU internal buffers which can forward
+ information to a disclosure gadget under certain
+ conditions.
+
+ In vulnerable processors, the speculatively forwarded
+ data can be used in a cache side channel attack, to
+ access data to which the attacker does not have direct
+ access.
+
+ This parameter controls the TAA mitigation. The
+ options are:
+
+ full - Enable TAA mitigation on vulnerable CPUs
+ if TSX is enabled.
+
+ full,nosmt - Enable TAA mitigation and disable SMT on
+ vulnerable CPUs. If TSX is disabled, SMT
+ is not disabled because CPU is not
+ vulnerable to cross-thread TAA attacks.
+ off - Unconditionally disable TAA mitigation
+
+ Not specifying this option is equivalent to
+ tsx_async_abort=full. On CPUs which are MDS affected
+ and deploy MDS mitigation, TAA mitigation is not
+ required and doesn't provide any additional
+ mitigation.
+
+ For details see:
+ Documentation/admin-guide/hw-vuln/tsx_async_abort.rst
+
turbografx.map[2|3]= [HW,JOY]
TurboGraFX parallel port interface
Format:
@@ -5302,6 +5394,10 @@
the unplug protocol
never -- do not unplug even if version check succeeds
+ xen_legacy_crash [X86,XEN]
+ Crash from Xen panic notifier, without executing late
+ panic() code such as dumping handler.
+
xen_nopvspin [X86,XEN]
Disables the ticketlock slowpath using Xen PV
optimizations.
diff --git a/Documentation/arm64/memory.rst b/Documentation/arm64/memory.rst
index b040909e45f8..02e02175e6f5 100644
--- a/Documentation/arm64/memory.rst
+++ b/Documentation/arm64/memory.rst
@@ -154,11 +154,18 @@ return virtual addresses to userspace from a 48-bit range.
Software can "opt-in" to receiving VAs from a 52-bit space by
specifying an mmap hint parameter that is larger than 48-bit.
+
For example:
- maybe_high_address = mmap(~0UL, size, prot, flags,...);
+
+.. code-block:: c
+
+ maybe_high_address = mmap(~0UL, size, prot, flags,...);
It is also possible to build a debug kernel that returns addresses
from a 52-bit space by enabling the following kernel config options:
+
+.. code-block:: sh
+
CONFIG_EXPERT=y && CONFIG_ARM64_FORCE_52BIT=y
Note that this option is only intended for debugging applications
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 17ea3fecddaa..5a09661330fc 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -91,6 +91,11 @@ stable kernels.
| ARM | MMU-500 | #841119,826419 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
+| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_845719 |
++----------------+-----------------+-----------------+-----------------------------+
+| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_843419 |
++----------------+-----------------+-----------------+-----------------------------+
++----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #22375,24313 | CAVIUM_ERRATUM_22375 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
@@ -107,6 +112,8 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX2 SMMUv3| #126 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+| Cavium | ThunderX2 Core | #219 | CAVIUM_TX2_ERRATUM_219 |
++----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
+----------------+-----------------+-----------------+-----------------------------+
@@ -124,7 +131,7 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo/Falkor v1 | E1003 | QCOM_FALKOR_ERRATUM_1003 |
+----------------+-----------------+-----------------+-----------------------------+
-| Qualcomm Tech. | Falkor v1 | E1009 | QCOM_FALKOR_ERRATUM_1009 |
+| Qualcomm Tech. | Kryo/Falkor v1 | E1009 | QCOM_FALKOR_ERRATUM_1009 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | QDF2400 ITS | E0065 | QCOM_QDF2400_ERRATUM_0065 |
+----------------+-----------------+-----------------+-----------------------------+
diff --git a/Documentation/block/stat.rst b/Documentation/block/stat.rst
index 9c07bc22b0bc..77311335c08b 100644
--- a/Documentation/block/stat.rst
+++ b/Documentation/block/stat.rst
@@ -41,6 +41,8 @@ discard I/Os requests number of discard I/Os processed
discard merges requests number of discard I/Os merged with in-queue I/O
discard sectors sectors number of sectors discarded
discard ticks milliseconds total wait time for discard requests
+flush I/Os requests number of flush I/Os processed
+flush ticks milliseconds total wait time for flush requests
=============== ============= =================================================
read I/Os, write I/Os, discard I/0s
@@ -48,6 +50,14 @@ read I/Os, write I/Os, discard I/0s
These values increment when an I/O request completes.
+flush I/Os
+==========
+
+These values increment when an flush I/O request completes.
+
+Block layer combines flush requests and executes at most one at a time.
+This counts flush requests executed by disk. Not tracked for partitions.
+
read merges, write merges, discard merges
=========================================
@@ -62,8 +72,8 @@ discarded from this block device. The "sectors" in question are the
standard UNIX 512-byte sectors, not any device- or filesystem-specific
block size. The counters are incremented when the I/O completes.
-read ticks, write ticks, discard ticks
-======================================
+read ticks, write ticks, discard ticks, flush ticks
+===================================================
These values count the number of milliseconds that I/O requests have
waited on this block device. If there are multiple I/O requests waiting,
diff --git a/Documentation/core-api/index.rst b/Documentation/core-api/index.rst
index fa16a0538dcb..ab0eae1c153a 100644
--- a/Documentation/core-api/index.rst
+++ b/Documentation/core-api/index.rst
@@ -38,6 +38,7 @@ Core utilities
protection-keys
../RCU/index
gcc-plugins
+ symbol-namespaces
Interfaces for kernel debugging
diff --git a/Documentation/core-api/memory-allocation.rst b/Documentation/core-api/memory-allocation.rst
index 7744aa3bf2e0..939e3dfc86e9 100644
--- a/Documentation/core-api/memory-allocation.rst
+++ b/Documentation/core-api/memory-allocation.rst
@@ -98,6 +98,10 @@ limited. The actual limit depends on the hardware and the kernel
configuration, but it is a good practice to use `kmalloc` for objects
smaller than page size.
+The address of a chunk allocated with `kmalloc` is aligned to at least
+ARCH_KMALLOC_MINALIGN bytes. For sizes which are a power of two, the
+alignment is also guaranteed to be at least the respective size.
+
For large allocations you can use :c:func:`vmalloc` and
:c:func:`vzalloc`, or directly request pages from the page
allocator. The memory allocated by `vmalloc` and related functions is
diff --git a/Documentation/kbuild/namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
index 982ed7b568ac..982ed7b568ac 100644
--- a/Documentation/kbuild/namespaces.rst
+++ b/Documentation/core-api/symbol-namespaces.rst
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index b72d07d70239..525296121d89 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -41,6 +41,9 @@ smaller binary while the latter is 1.1 - 2 times faster.
Both KASAN modes work with both SLUB and SLAB memory allocators.
For better bug detection and nicer reporting, enable CONFIG_STACKTRACE.
+To augment reports with last allocation and freeing stack of the physical page,
+it is recommended to enable also CONFIG_PAGE_OWNER and boot with page_owner=on.
+
To disable instrumentation for specific files or directories, add a line
similar to the following to the respective kernel Makefile:
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index 25604904fa6e..ecdfdc9d4b03 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -89,6 +89,22 @@ To build, save output files in a separate directory with KBUILD_OUTPUT ::
$ export KBUILD_OUTPUT=/tmp/kselftest; make TARGETS="size timers" kselftest
+Additionally you can use the "SKIP_TARGETS" variable on the make command
+line to specify one or more targets to exclude from the TARGETS list.
+
+To run all tests but a single subsystem::
+
+ $ make -C tools/testing/selftests SKIP_TARGETS=ptrace run_tests
+
+You can specify multiple tests to skip::
+
+ $ make SKIP_TARGETS="size timers" kselftest
+
+You can also specify a restricted list of tests to run together with a
+dedicated skiplist::
+
+ $ make TARGETS="bpf breakpoints size timers" SKIP_TARGETS=bpf kselftest
+
See the top-level tools/testing/selftests/Makefile for the list of all
possible targets.
diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index c82c5e57d44c..9c7e70335ac0 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -496,12 +496,12 @@ properties:
- description: Theobroma Systems RK3368-uQ7 with Haikou baseboard
items:
- - const: tsd,rk3368-uq7-haikou
+ - const: tsd,rk3368-lion-haikou
- const: rockchip,rk3368
- description: Theobroma Systems RK3399-Q7 with Haikou baseboard
items:
- - const: tsd,rk3399-q7-haikou
+ - const: tsd,rk3399-puma-haikou
- const: rockchip,rk3399
- description: Tronsmart Orion R68 Meta
diff --git a/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt b/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
index f4c5d34c4111..7079d44bf3ba 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
@@ -1,8 +1,11 @@
* Advanced Interrupt Controller (AIC)
Required properties:
-- compatible: Should be "atmel,<chip>-aic"
- <chip> can be "at91rm9200", "sama5d2", "sama5d3" or "sama5d4"
+- compatible: Should be:
+ - "atmel,<chip>-aic" where <chip> can be "at91rm9200", "sama5d2",
+ "sama5d3" or "sama5d4"
+ - "microchip,<chip>-aic" where <chip> can be "sam9x60"
+
- interrupt-controller: Identifies the node as an interrupt controller.
- #interrupt-cells: The number of cells to define the interrupts. It should be 3.
The first cell is the IRQ number (aka "Peripheral IDentifier" on datasheet).
diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
index 27f38eed389e..d3e423fcb6c2 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
-$id: http://devicetree.org/schemas/arm/allwinner,sun4i-a10-csi.yaml#
+$id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-csi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 CMOS Sensor Interface (CSI) Device Tree Bindings
@@ -27,14 +27,12 @@ properties:
clocks:
items:
- description: The CSI interface clock
- - description: The CSI module clock
- description: The CSI ISP clock
- description: The CSI DRAM clock
clock-names:
items:
- const: bus
- - const: mod
- const: isp
- const: ram
@@ -89,9 +87,8 @@ examples:
compatible = "allwinner,sun7i-a20-csi0";
reg = <0x01c09000 0x1000>;
interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI0>,
- <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>;
- clock-names = "bus", "mod", "isp", "ram";
+ clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>;
+ clock-names = "bus", "isp", "ram";
resets = <&ccu RST_CSI0>;
port {
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
index f83d888176cc..064b7dfc4252 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
@@ -33,13 +33,13 @@ patternProperties:
allOf:
- $ref: "/schemas/types.yaml#/definitions/string"
- enum: [ ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15,
- ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, ESPI,
- ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWSPIWP, GPIT0, GPIT1,
- GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1, GPIU2,
- GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, I2C1, I2C10, I2C11, I2C12,
- I2C13, I2C14, I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6, I2C7,
- I2C8, I2C9, I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ, LPC,
- LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2,
+ ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, EMMC,
+ ESPI, ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWSPIWP, GPIT0,
+ GPIT1, GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1,
+ GPIU2, GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, I2C1, I2C10, I2C11,
+ I2C12, I2C13, I2C14, I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6,
+ I2C7, I2C8, I2C9, I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ,
+ LPC, LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2,
MACLINK3, MACLINK4, MDIO1, MDIO2, MDIO3, MDIO4, NCTS1, NCTS2,
NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4, NDSR1, NDSR2, NDSR3,
NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1, NRI2, NRI3, NRI4, NRTS1,
@@ -48,47 +48,45 @@ patternProperties:
PWM8, PWM9, RGMII1, RGMII2, RGMII3, RGMII4, RMII1, RMII2, RMII3,
RMII4, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10, SALT11, SALT12,
SALT13, SALT14, SALT15, SALT16, SALT2, SALT3, SALT4, SALT5,
- SALT6, SALT7, SALT8, SALT9, SD1, SD2, SD3, SD3DAT4, SD3DAT5,
- SD3DAT6, SD3DAT7, SGPM1, SGPS1, SIOONCTRL, SIOPBI, SIOPBO,
- SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, SPI1ABR, SPI1CS1,
- SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1, TACH10, TACH11,
- TACH12, TACH13, TACH14, TACH15, TACH2, TACH3, TACH4, TACH5,
- TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2, THRU3, TXD1,
- TXD2, TXD3, TXD4, UART10, UART11, UART12, UART13, UART6, UART7,
- UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3,
- WDTRST4, ]
+ SALT6, SALT7, SALT8, SALT9, SD1, SD2, SGPM1, SGPS1, SIOONCTRL,
+ SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1,
+ SPI1ABR, SPI1CS1, SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1,
+ TACH10, TACH11, TACH12, TACH13, TACH14, TACH15, TACH2, TACH3,
+ TACH4, TACH5, TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2,
+ THRU3, TXD1, TXD2, TXD3, TXD4, UART10, UART11, UART12, UART13,
+ UART6, UART7, UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2,
+ WDTRST3, WDTRST4, ]
groups:
allOf:
- $ref: "/schemas/types.yaml#/definitions/string"
- enum: [ ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15,
- ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, ESPI,
- ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWQSPID, FWSPIWP, GPIT0,
- GPIT1, GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1,
- GPIU2, GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, HVI3C3, HVI3C4, I2C1,
- I2C10, I2C11, I2C12, I2C13, I2C14, I2C15, I2C16, I2C2, I2C3,
- I2C4, I2C5, I2C6, I2C7, I2C8, I2C9, I3C3, I3C4, I3C5, I3C6,
- JTAGM, LHPD, LHSIRQ, LPC, LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ,
- MACLINK1, MACLINK2, MACLINK3, MACLINK4, MDIO1, MDIO2, MDIO3,
- MDIO4, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4,
- NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1,
- NRI2, NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4, OSCCLK, PEWAKE,
- PWM0, PWM1, PWM10G0, PWM10G1, PWM11G0, PWM11G1, PWM12G0, PWM12G1,
- PWM13G0, PWM13G1, PWM14G0, PWM14G1, PWM15G0, PWM15G1, PWM2, PWM3,
- PWM4, PWM5, PWM6, PWM7, PWM8G0, PWM8G1, PWM9G0, PWM9G1, QSPI1,
- QSPI2, RGMII1, RGMII2, RGMII3, RGMII4, RMII1, RMII2, RMII3,
- RMII4, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10G0, SALT10G1,
- SALT11G0, SALT11G1, SALT12G0, SALT12G1, SALT13G0, SALT13G1,
- SALT14G0, SALT14G1, SALT15G0, SALT15G1, SALT16G0, SALT16G1,
- SALT2, SALT3, SALT4, SALT5, SALT6, SALT7, SALT8, SALT9G0,
- SALT9G1, SD1, SD2, SD3, SD3DAT4, SD3DAT5, SD3DAT6, SD3DAT7,
- SGPM1, SGPS1, SIOONCTRL, SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD,
- SIOS3, SIOS5, SIOSCI, SPI1, SPI1ABR, SPI1CS1, SPI1WP, SPI2,
- SPI2CS1, SPI2CS2, TACH0, TACH1, TACH10, TACH11, TACH12, TACH13,
- TACH14, TACH15, TACH2, TACH3, TACH4, TACH5, TACH6, TACH7, TACH8,
- TACH9, THRU0, THRU1, THRU2, THRU3, TXD1, TXD2, TXD3, TXD4,
- UART10, UART11, UART12G0, UART12G1, UART13G0, UART13G1, UART6,
- UART7, UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3,
- WDTRST4, ]
+ ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, EMMCG1,
+ EMMCG4, EMMCG8, ESPI, ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID,
+ FWQSPID, FWSPIWP, GPIT0, GPIT1, GPIT2, GPIT3, GPIT4, GPIT5,
+ GPIT6, GPIT7, GPIU0, GPIU1, GPIU2, GPIU3, GPIU4, GPIU5, GPIU6,
+ GPIU7, HVI3C3, HVI3C4, I2C1, I2C10, I2C11, I2C12, I2C13, I2C14,
+ I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6, I2C7, I2C8, I2C9,
+ I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ, LPC, LPCHC, LPCPD,
+ LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2, MACLINK3, MACLINK4,
+ MDIO1, MDIO2, MDIO3, MDIO4, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1,
+ NDCD2, NDCD3, NDCD4, NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2,
+ NDTR3, NDTR4, NRI1, NRI2, NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4,
+ OSCCLK, PEWAKE, PWM0, PWM1, PWM10G0, PWM10G1, PWM11G0, PWM11G1,
+ PWM12G0, PWM12G1, PWM13G0, PWM13G1, PWM14G0, PWM14G1, PWM15G0,
+ PWM15G1, PWM2, PWM3, PWM4, PWM5, PWM6, PWM7, PWM8G0, PWM8G1,
+ PWM9G0, PWM9G1, QSPI1, QSPI2, RGMII1, RGMII2, RGMII3, RGMII4,
+ RMII1, RMII2, RMII3, RMII4, RXD1, RXD2, RXD3, RXD4, SALT1,
+ SALT10G0, SALT10G1, SALT11G0, SALT11G1, SALT12G0, SALT12G1,
+ SALT13G0, SALT13G1, SALT14G0, SALT14G1, SALT15G0, SALT15G1,
+ SALT16G0, SALT16G1, SALT2, SALT3, SALT4, SALT5, SALT6, SALT7,
+ SALT8, SALT9G0, SALT9G1, SD1, SD2, SD3, SGPM1, SGPS1, SIOONCTRL,
+ SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1,
+ SPI1ABR, SPI1CS1, SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1,
+ TACH10, TACH11, TACH12, TACH13, TACH14, TACH15, TACH2, TACH3,
+ TACH4, TACH5, TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2,
+ THRU3, TXD1, TXD2, TXD3, TXD4, UART10, UART11, UART12G0,
+ UART12G1, UART13G0, UART13G1, UART6, UART7, UART8, UART9, VB,
+ VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3, WDTRST4, ]
required:
- compatible
diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
index a78150c47aa2..f32416968197 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
@@ -30,8 +30,8 @@ if:
properties:
compatible:
enum:
- - const: regulator-fixed
- - const: regulator-fixed-clock
+ - regulator-fixed
+ - regulator-fixed-clock
regulator-name: true
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index b261a3015f84..04819ad379c2 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -24,15 +24,17 @@ description: |
properties:
compatible:
- items:
- - enum:
- - sifive,rocket0
- - sifive,e5
- - sifive,e51
- - sifive,u54-mc
- - sifive,u54
- - sifive,u5
- - const: riscv
+ oneOf:
+ - items:
+ - enum:
+ - sifive,rocket0
+ - sifive,e5
+ - sifive,e51
+ - sifive,u54-mc
+ - sifive,u54
+ - sifive,u5
+ - const: riscv
+ - const: riscv # Simulator only
description:
Identifies that the hart uses the RISC-V instruction set
and identifies the type of the hart.
@@ -66,12 +68,8 @@ properties:
insensitive, letters in the riscv,isa string must be all
lowercase to simplify parsing.
- timebase-frequency:
- type: integer
- minimum: 1
- description:
- Specifies the clock frequency of the system timer in Hz.
- This value is common to all harts on a single system image.
+ # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here
+ timebase-frequency: false
interrupt-controller:
type: object
@@ -93,7 +91,6 @@ properties:
required:
- riscv,isa
- - timebase-frequency
- interrupt-controller
examples:
diff --git a/Documentation/devicetree/bindings/security/tpm/google,cr50.txt b/Documentation/devicetree/bindings/security/tpm/google,cr50.txt
new file mode 100644
index 000000000000..cd69c2efdd37
--- /dev/null
+++ b/Documentation/devicetree/bindings/security/tpm/google,cr50.txt
@@ -0,0 +1,19 @@
+* H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
+
+H1 Secure Microcontroller running Cr50 firmware provides several
+functions, including TPM-like functionality. It communicates over
+SPI using the FIFO protocol described in the PTP Spec, section 6.
+
+Required properties:
+- compatible: Should be "google,cr50".
+- spi-max-frequency: Maximum SPI frequency.
+
+Example:
+
+&spi0 {
+ tpm@0 {
+ compatible = "google,cr50";
+ reg = <0>;
+ spi-max-frequency = <800000>;
+ };
+};
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
index dd63151dc8b6..b143d9a21b2d 100644
--- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
+++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
@@ -26,6 +26,8 @@ Required properties:
- "renesas,hscif-r8a77470" for R8A77470 (RZ/G1C) HSCIF compatible UART.
- "renesas,scif-r8a774a1" for R8A774A1 (RZ/G2M) SCIF compatible UART.
- "renesas,hscif-r8a774a1" for R8A774A1 (RZ/G2M) HSCIF compatible UART.
+ - "renesas,scif-r8a774b1" for R8A774B1 (RZ/G2N) SCIF compatible UART.
+ - "renesas,hscif-r8a774b1" for R8A774B1 (RZ/G2N) HSCIF compatible UART.
- "renesas,scif-r8a774c0" for R8A774C0 (RZ/G2E) SCIF compatible UART.
- "renesas,hscif-r8a774c0" for R8A774C0 (RZ/G2E) HSCIF compatible UART.
- "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART.
diff --git a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt
index b9f04e617eb7..6ffb09be7a76 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt
@@ -85,8 +85,8 @@ A child node must exist to represent the core DWC2 IP block. The name of
the node is not important. The content of the node is defined in dwc2.txt.
PHY documentation is provided in the following places:
-- Documentation/devicetree/bindings/phy/meson-g12a-usb2-phy.txt
-- Documentation/devicetree/bindings/phy/meson-g12a-usb3-pcie-phy.txt
+- Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml
+- Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
Example device nodes:
usb: usb@ffe09000 {
diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 059f6ef1ad4a..1ca64c85191a 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -63,7 +63,11 @@ properties:
description:
Set this flag to force EHCI reset after resume.
- phys: true
+ phys:
+ description: PHY specifier for the USB PHY
+
+ phy-names:
+ const: usb
required:
- compatible
@@ -89,6 +93,7 @@ examples:
interrupts = <39>;
clocks = <&ahb_gates 1>;
phys = <&usbphy 1>;
+ phy-names = "usb";
};
...
diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
index da5a14becbe5..bcffec1f1341 100644
--- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
@@ -67,7 +67,11 @@ properties:
description:
Overrides the detected port count
- phys: true
+ phys:
+ description: PHY specifier for the USB PHY
+
+ phy-names:
+ const: usb
required:
- compatible
@@ -84,6 +88,7 @@ examples:
interrupts = <64>;
clocks = <&usb_clk 6>, <&ahb_gates 2>;
phys = <&usbphy 1>;
+ phy-names = "usb";
};
...
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
index f3e4acecabe8..42d8814f903a 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
@@ -33,7 +33,7 @@ Required properties:
"dma_ck": dma_bus clock for data transfer by DMA,
"xhci_ck": controller clock
- - phys : see usb-hcd.txt in the current directory
+ - phys : see usb-hcd.yaml in the current directory
Optional properties:
- wakeup-source : enable USB remote wakeup;
@@ -53,7 +53,7 @@ Optional properties:
See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
- imod-interval-ns: default interrupt moderation interval is 5000ns
-additionally the properties from usb-hcd.txt (in the current directory) are
+additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
Example:
diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
index b9af7f5ee91d..e0ae6096f7ac 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
@@ -17,7 +17,7 @@ Required properties:
- clock-names : must contain "sys_ck" for clock of controller,
the following clocks are optional:
"ref_ck", "mcu_ck" and "dma_ck";
- - phys : see usb-hcd.txt in the current directory
+ - phys : see usb-hcd.yaml in the current directory
- dr_mode : should be one of "host", "peripheral" or "otg",
refer to usb/generic.txt
@@ -60,7 +60,7 @@ Optional properties:
- mediatek,u3p-dis-msk : mask to disable u3ports, bit0 for u3port0,
bit1 for u3port1, ... etc;
-additionally the properties from usb-hcd.txt (in the current directory) are
+additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
Sub-nodes:
diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index 9c8c56d3a792..7263b7f2b510 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -18,8 +18,13 @@ properties:
description:
List of all the USB PHYs on this HCD
+ phy-names:
+ description:
+ Name specifier for the USB PHY
+
examples:
- |
usb {
phys = <&usb2_phy1>, <&usb3_phy1>;
+ phy-names = "usb";
};
diff --git a/Documentation/devicetree/bindings/usb/usb-uhci.txt b/Documentation/devicetree/bindings/usb/usb-uhci.txt
index cc2e6f7d602e..d1702eb2c8bd 100644
--- a/Documentation/devicetree/bindings/usb/usb-uhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-uhci.txt
@@ -6,7 +6,7 @@ Required properties:
- reg : Should contain 1 register ranges(address and length)
- interrupts : UHCI controller interrupt
-additionally the properties from usb-hcd.txt (in the current directory) are
+additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
Example:
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 97400e8f8605..b49b819571f9 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -41,9 +41,9 @@ Optional properties:
- usb3-lpm-capable: determines if platform is USB3 LPM capable
- quirk-broken-port-ped: set if the controller has broken port disable mechanism
- imod-interval-ns: default interrupt moderation interval is 5000ns
- - phys : see usb-hcd.txt in the current directory
+ - phys : see usb-hcd.yaml in the current directory
-additionally the properties from usb-hcd.txt (in the current directory) are
+additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
diff --git a/Documentation/driver-api/libata.rst b/Documentation/driver-api/libata.rst
index 70e180e6b93d..207f0d24de69 100644
--- a/Documentation/driver-api/libata.rst
+++ b/Documentation/driver-api/libata.rst
@@ -250,23 +250,23 @@ High-level taskfile hooks
::
- void (*qc_prep) (struct ata_queued_cmd *qc);
+ enum ata_completion_errors (*qc_prep) (struct ata_queued_cmd *qc);
int (*qc_issue) (struct ata_queued_cmd *qc);
-Higher-level hooks, these two hooks can potentially supercede several of
+Higher-level hooks, these two hooks can potentially supersede several of
the above taskfile/DMA engine hooks. ``->qc_prep`` is called after the
buffers have been DMA-mapped, and is typically used to populate the
-hardware's DMA scatter-gather table. Most drivers use the standard
-:c:func:`ata_qc_prep` helper function, but more advanced drivers roll their
-own.
+hardware's DMA scatter-gather table. Some drivers use the standard
+:c:func:`ata_bmdma_qc_prep` and :c:func:`ata_bmdma_dumb_qc_prep` helper
+functions, but more advanced drivers roll their own.
``->qc_issue`` is used to make a command active, once the hardware and S/G
tables have been prepared. IDE BMDMA drivers use the helper function
-:c:func:`ata_qc_issue_prot` for taskfile protocol-based dispatch. More
+:c:func:`ata_sff_qc_issue` for taskfile protocol-based dispatch. More
advanced drivers implement their own ``->qc_issue``.
-:c:func:`ata_qc_issue_prot` calls ``->tf_load()``, ``->bmdma_setup()``, and
+:c:func:`ata_sff_qc_issue` calls ``->sff_tf_load()``, ``->bmdma_setup()``, and
``->bmdma_start()`` as necessary to initiate a transfer.
Exception and probe handling (EH)
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst
index 8147c3f218bf..230ad59b462b 100644
--- a/Documentation/hwmon/index.rst
+++ b/Documentation/hwmon/index.rst
@@ -7,6 +7,7 @@ Linux Hardware Monitoring
hwmon-kernel-api
pmbus-core
+ inspur-ipsps1
submitting-patches
sysfs-interface
userspace-tools
diff --git a/Documentation/hwmon/inspur-ipsps1.rst b/Documentation/hwmon/inspur-ipsps1.rst
index 2b871ae3448f..292c0c26bdd1 100644
--- a/Documentation/hwmon/inspur-ipsps1.rst
+++ b/Documentation/hwmon/inspur-ipsps1.rst
@@ -1,5 +1,5 @@
Kernel driver inspur-ipsps1
-=======================
+===========================
Supported chips:
diff --git a/Documentation/hwmon/k10temp.rst b/Documentation/hwmon/k10temp.rst
index 12a86ba17de9..4451d59b9425 100644
--- a/Documentation/hwmon/k10temp.rst
+++ b/Documentation/hwmon/k10temp.rst
@@ -21,10 +21,17 @@ Supported chips:
* AMD Family 14h processors: "Brazos" (C/E/G/Z-Series)
-* AMD Family 15h processors: "Bulldozer" (FX-Series), "Trinity", "Kaveri", "Carrizo"
+* AMD Family 15h processors: "Bulldozer" (FX-Series), "Trinity", "Kaveri",
+ "Carrizo", "Stoney Ridge", "Bristol Ridge"
* AMD Family 16h processors: "Kabini", "Mullins"
+* AMD Family 17h processors: "Zen", "Zen 2"
+
+* AMD Family 18h processors: "Hygon Dhyana"
+
+* AMD Family 19h processors: "Zen 3"
+
Prefix: 'k10temp'
Addresses scanned: PCI space
@@ -110,3 +117,12 @@ The maximum value for Tctl is available in the file temp1_max.
If the BIOS has enabled hardware temperature control, the threshold at
which the processor will throttle itself to avoid damage is available in
temp1_crit and temp1_crit_hyst.
+
+On some AMD CPUs, there is a difference between the die temperature (Tdie) and
+the reported temperature (Tctl). Tdie is the real measured temperature, and
+Tctl is used for fan control. While Tctl is always available as temp1_input,
+the driver exports Tdie temperature as temp2_input for those CPUs which support
+it.
+
+Models from 17h family report relative temperature, the driver aims to
+compensate and report the real temperature.
diff --git a/Documentation/networking/device_drivers/intel/e100.rst b/Documentation/networking/device_drivers/intel/e100.rst
index 2b9f4887beda..caf023cc88de 100644
--- a/Documentation/networking/device_drivers/intel/e100.rst
+++ b/Documentation/networking/device_drivers/intel/e100.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-==============================================================
-Linux* Base Driver for the Intel(R) PRO/100 Family of Adapters
-==============================================================
+=============================================================
+Linux Base Driver for the Intel(R) PRO/100 Family of Adapters
+=============================================================
June 1, 2018
@@ -21,7 +21,7 @@ Contents
In This Release
===============
-This file describes the Linux* Base Driver for the Intel(R) PRO/100 Family of
+This file describes the Linux Base Driver for the Intel(R) PRO/100 Family of
Adapters. This driver includes support for Itanium(R)2-based systems.
For questions related to hardware requirements, refer to the documentation
@@ -138,9 +138,9 @@ version 1.6 or later is required for this functionality.
The latest release of ethtool can be found from
https://www.kernel.org/pub/software/network/ethtool/
-Enabling Wake on LAN* (WoL)
----------------------------
-WoL is provided through the ethtool* utility. For instructions on
+Enabling Wake on LAN (WoL)
+--------------------------
+WoL is provided through the ethtool utility. For instructions on
enabling WoL with ethtool, refer to the ethtool man page. WoL will be
enabled on the system during the next shut down or reboot. For this
driver version, in order to enable WoL, the e100 driver must be loaded
diff --git a/Documentation/networking/device_drivers/intel/e1000.rst b/Documentation/networking/device_drivers/intel/e1000.rst
index 956560b6e745..4aaae0f7d6ba 100644
--- a/Documentation/networking/device_drivers/intel/e1000.rst
+++ b/Documentation/networking/device_drivers/intel/e1000.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-===========================================================
-Linux* Base Driver for Intel(R) Ethernet Network Connection
-===========================================================
+==========================================================
+Linux Base Driver for Intel(R) Ethernet Network Connection
+==========================================================
Intel Gigabit Linux driver.
Copyright(c) 1999 - 2013 Intel Corporation.
@@ -438,10 +438,10 @@ ethtool
The latest release of ethtool can be found from
https://www.kernel.org/pub/software/network/ethtool/
-Enabling Wake on LAN* (WoL)
----------------------------
+Enabling Wake on LAN (WoL)
+--------------------------
- WoL is configured through the ethtool* utility.
+ WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot.
For this driver version, in order to enable WoL, the e1000 driver must be
diff --git a/Documentation/networking/device_drivers/intel/e1000e.rst b/Documentation/networking/device_drivers/intel/e1000e.rst
index 01999f05509c..f49cd370e7bf 100644
--- a/Documentation/networking/device_drivers/intel/e1000e.rst
+++ b/Documentation/networking/device_drivers/intel/e1000e.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-======================================================
-Linux* Driver for Intel(R) Ethernet Network Connection
-======================================================
+=====================================================
+Linux Driver for Intel(R) Ethernet Network Connection
+=====================================================
Intel Gigabit Linux driver.
Copyright(c) 2008-2018 Intel Corporation.
@@ -338,7 +338,7 @@ and higher cannot be forced. Use the autonegotiation advertising setting to
manually set devices for 1 Gbps and higher.
Speed, duplex, and autonegotiation advertising are configured through the
-ethtool* utility.
+ethtool utility.
Caution: Only experienced network administrators should force speed and duplex
or change autonegotiation advertising manually. The settings at the switch must
@@ -351,9 +351,9 @@ will not attempt to auto-negotiate with its link partner since those adapters
operate only in full duplex and only at their native speed.
-Enabling Wake on LAN* (WoL)
----------------------------
-WoL is configured through the ethtool* utility.
+Enabling Wake on LAN (WoL)
+--------------------------
+WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot. For
this driver version, in order to enable WoL, the e1000e driver must be loaded
diff --git a/Documentation/networking/device_drivers/intel/fm10k.rst b/Documentation/networking/device_drivers/intel/fm10k.rst
index ac3269e34f55..4d279e64e221 100644
--- a/Documentation/networking/device_drivers/intel/fm10k.rst
+++ b/Documentation/networking/device_drivers/intel/fm10k.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-==============================================================
-Linux* Base Driver for Intel(R) Ethernet Multi-host Controller
-==============================================================
+=============================================================
+Linux Base Driver for Intel(R) Ethernet Multi-host Controller
+=============================================================
August 20, 2018
Copyright(c) 2015-2018 Intel Corporation.
@@ -120,8 +120,8 @@ rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|tcp6|udp6|ah6|esp6|sctp6 m|v|t|s|d|f|n|r
Known Issues/Troubleshooting
============================
-Enabling SR-IOV in a 64-bit Microsoft* Windows Server* 2012/R2 guest OS under Linux KVM
----------------------------------------------------------------------------------------
+Enabling SR-IOV in a 64-bit Microsoft Windows Server 2012/R2 guest OS under Linux KVM
+-------------------------------------------------------------------------------------
KVM Hypervisor/VMM supports direct assignment of a PCIe device to a VM. This
includes traditional PCIe devices, as well as SR-IOV-capable devices based on
the Intel Ethernet Controller XL710.
diff --git a/Documentation/networking/device_drivers/intel/i40e.rst b/Documentation/networking/device_drivers/intel/i40e.rst
index 848fd388fa6e..8a9b18573688 100644
--- a/Documentation/networking/device_drivers/intel/i40e.rst
+++ b/Documentation/networking/device_drivers/intel/i40e.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-==================================================================
-Linux* Base Driver for the Intel(R) Ethernet Controller 700 Series
-==================================================================
+=================================================================
+Linux Base Driver for the Intel(R) Ethernet Controller 700 Series
+=================================================================
Intel 40 Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@@ -384,7 +384,7 @@ NOTE: You cannot set the speed for devices based on the Intel(R) Ethernet
Network Adapter XXV710 based devices.
Speed, duplex, and autonegotiation advertising are configured through the
-ethtool* utility.
+ethtool utility.
Caution: Only experienced network administrators should force speed and duplex
or change autonegotiation advertising manually. The settings at the switch must
diff --git a/Documentation/networking/device_drivers/intel/iavf.rst b/Documentation/networking/device_drivers/intel/iavf.rst
index cfc08842e32c..84ac7e75f363 100644
--- a/Documentation/networking/device_drivers/intel/iavf.rst
+++ b/Documentation/networking/device_drivers/intel/iavf.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-==================================================================
-Linux* Base Driver for Intel(R) Ethernet Adaptive Virtual Function
-==================================================================
+=================================================================
+Linux Base Driver for Intel(R) Ethernet Adaptive Virtual Function
+=================================================================
Intel Ethernet Adaptive Virtual Function Linux driver.
Copyright(c) 2013-2018 Intel Corporation.
@@ -19,7 +19,7 @@ Contents
Overview
========
-This file describes the iavf Linux* Base Driver. This driver was formerly
+This file describes the iavf Linux Base Driver. This driver was formerly
called i40evf.
The iavf driver supports the below mentioned virtual function devices and
diff --git a/Documentation/networking/device_drivers/intel/ice.rst b/Documentation/networking/device_drivers/intel/ice.rst
index c220aa2711c6..ee43ea57d443 100644
--- a/Documentation/networking/device_drivers/intel/ice.rst
+++ b/Documentation/networking/device_drivers/intel/ice.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-===================================================================
-Linux* Base Driver for the Intel(R) Ethernet Connection E800 Series
-===================================================================
+==================================================================
+Linux Base Driver for the Intel(R) Ethernet Connection E800 Series
+==================================================================
Intel ice Linux driver.
Copyright(c) 2018 Intel Corporation.
diff --git a/Documentation/networking/device_drivers/intel/igb.rst b/Documentation/networking/device_drivers/intel/igb.rst
index fc8cfaa5dcfa..87e560fe5eaa 100644
--- a/Documentation/networking/device_drivers/intel/igb.rst
+++ b/Documentation/networking/device_drivers/intel/igb.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-===========================================================
-Linux* Base Driver for Intel(R) Ethernet Network Connection
-===========================================================
+==========================================================
+Linux Base Driver for Intel(R) Ethernet Network Connection
+==========================================================
Intel Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@@ -129,9 +129,9 @@ version is required for this functionality. Download it at:
https://www.kernel.org/pub/software/network/ethtool/
-Enabling Wake on LAN* (WoL)
----------------------------
-WoL is configured through the ethtool* utility.
+Enabling Wake on LAN (WoL)
+--------------------------
+WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot. For
this driver version, in order to enable WoL, the igb driver must be loaded
diff --git a/Documentation/networking/device_drivers/intel/igbvf.rst b/Documentation/networking/device_drivers/intel/igbvf.rst
index 9cddabe8108e..557fc020ef31 100644
--- a/Documentation/networking/device_drivers/intel/igbvf.rst
+++ b/Documentation/networking/device_drivers/intel/igbvf.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-============================================================
-Linux* Base Virtual Function Driver for Intel(R) 1G Ethernet
-============================================================
+===========================================================
+Linux Base Virtual Function Driver for Intel(R) 1G Ethernet
+===========================================================
Intel Gigabit Virtual Function Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
diff --git a/Documentation/networking/device_drivers/intel/ixgbe.rst b/Documentation/networking/device_drivers/intel/ixgbe.rst
index c7d25483fedb..f1d5233e5e51 100644
--- a/Documentation/networking/device_drivers/intel/ixgbe.rst
+++ b/Documentation/networking/device_drivers/intel/ixgbe.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-=============================================================================
-Linux* Base Driver for the Intel(R) Ethernet 10 Gigabit PCI Express Adapters
-=============================================================================
+===========================================================================
+Linux Base Driver for the Intel(R) Ethernet 10 Gigabit PCI Express Adapters
+===========================================================================
Intel 10 Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@@ -519,8 +519,8 @@ The offload is also supported for ixgbe's VFs, but the VF must be set as
Known Issues/Troubleshooting
============================
-Enabling SR-IOV in a 64-bit Microsoft* Windows Server* 2012/R2 guest OS
------------------------------------------------------------------------
+Enabling SR-IOV in a 64-bit Microsoft Windows Server 2012/R2 guest OS
+---------------------------------------------------------------------
Linux KVM Hypervisor/VMM supports direct assignment of a PCIe device to a VM.
This includes traditional PCIe devices, as well as SR-IOV-capable devices based
on the Intel Ethernet Controller XL710.
diff --git a/Documentation/networking/device_drivers/intel/ixgbevf.rst b/Documentation/networking/device_drivers/intel/ixgbevf.rst
index 5d4977360157..76bbde736f21 100644
--- a/Documentation/networking/device_drivers/intel/ixgbevf.rst
+++ b/Documentation/networking/device_drivers/intel/ixgbevf.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-=============================================================
-Linux* Base Virtual Function Driver for Intel(R) 10G Ethernet
-=============================================================
+============================================================
+Linux Base Virtual Function Driver for Intel(R) 10G Ethernet
+============================================================
Intel 10 Gigabit Virtual Function Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
diff --git a/Documentation/networking/device_drivers/pensando/ionic.rst b/Documentation/networking/device_drivers/pensando/ionic.rst
index 67b6839d516b..c17d680cf334 100644
--- a/Documentation/networking/device_drivers/pensando/ionic.rst
+++ b/Documentation/networking/device_drivers/pensando/ionic.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
-==========================================================
-Linux* Driver for the Pensando(R) Ethernet adapter family
-==========================================================
+========================================================
+Linux Driver for the Pensando(R) Ethernet adapter family
+========================================================
Pensando Linux Ethernet driver.
Copyright(c) 2019 Pensando Systems, Inc
@@ -36,8 +36,10 @@ Support
=======
For general Linux networking support, please use the netdev mailing
list, which is monitored by Pensando personnel::
+
netdev@vger.kernel.org
For more specific support needs, please use the Pensando driver support
email::
- drivers@pensando.io
+
+ drivers@pensando.io
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 49e95f438ed7..8d4ad1d1ae26 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -207,8 +207,8 @@ TCP variables:
somaxconn - INTEGER
Limit of socket listen() backlog, known in userspace as SOMAXCONN.
- Defaults to 128. See also tcp_max_syn_backlog for additional tuning
- for TCP sockets.
+ Defaults to 4096. (Was 128 before linux-5.4)
+ See also tcp_max_syn_backlog for additional tuning for TCP sockets.
tcp_abort_on_overflow - BOOLEAN
If listening service is too slow to accept new connections,
@@ -408,11 +408,14 @@ tcp_max_orphans - INTEGER
up to ~64K of unswappable memory.
tcp_max_syn_backlog - INTEGER
- Maximal number of remembered connection requests, which have not
- received an acknowledgment from connecting client.
+ Maximal number of remembered connection requests (SYN_RECV),
+ which have not received an acknowledgment from connecting client.
+ This is a per-listener limit.
The minimal value is 128 for low memory machines, and it will
increase in proportion to the memory of machine.
If server suffers from overload, try increasing this number.
+ Remember to also check /proc/sys/net/core/somaxconn
+ A SYN_RECV request socket consumes about 304 bytes of memory.
tcp_max_tw_buckets - INTEGER
Maximal number of timewait sockets held by system simultaneously.
diff --git a/Documentation/networking/net_dim.txt b/Documentation/networking/net_dim.txt
index 9cb31c5e2dcd..9bdb7d5a3ba3 100644
--- a/Documentation/networking/net_dim.txt
+++ b/Documentation/networking/net_dim.txt
@@ -92,16 +92,16 @@ under some conditions.
Part III: Registering a Network Device to DIM
==============================================
-Net DIM API exposes the main function net_dim(struct net_dim *dim,
-struct net_dim_sample end_sample). This function is the entry point to the Net
+Net DIM API exposes the main function net_dim(struct dim *dim,
+struct dim_sample end_sample). This function is the entry point to the Net
DIM algorithm and has to be called every time the driver would like to check if
it should change interrupt moderation parameters. The driver should provide two
-data structures: struct net_dim and struct net_dim_sample. Struct net_dim
+data structures: struct dim and struct dim_sample. Struct dim
describes the state of DIM for a specific object (RX queue, TX queue,
other queues, etc.). This includes the current selected profile, previous data
samples, the callback function provided by the driver and more.
-Struct net_dim_sample describes a data sample, which will be compared to the
-data sample stored in struct net_dim in order to decide on the algorithm's next
+Struct dim_sample describes a data sample, which will be compared to the
+data sample stored in struct dim in order to decide on the algorithm's next
step. The sample should include bytes, packets and interrupts, measured by
the driver.
@@ -110,9 +110,9 @@ main net_dim() function. The recommended method is to call net_dim() on each
interrupt. Since Net DIM has a built-in moderation and it might decide to skip
iterations under certain conditions, there is no need to moderate the net_dim()
calls as well. As mentioned above, the driver needs to provide an object of type
-struct net_dim to the net_dim() function call. It is advised for each entity
-using Net DIM to hold a struct net_dim as part of its data structure and use it
-as the main Net DIM API object. The struct net_dim_sample should hold the latest
+struct dim to the net_dim() function call. It is advised for each entity
+using Net DIM to hold a struct dim as part of its data structure and use it
+as the main Net DIM API object. The struct dim_sample should hold the latest
bytes, packets and interrupts count. No need to perform any calculations, just
include the raw data.
@@ -132,19 +132,19 @@ usage is not complete but it should make the outline of the usage clear.
my_driver.c:
-#include <linux/net_dim.h>
+#include <linux/dim.h>
/* Callback for net DIM to schedule on a decision to change moderation */
void my_driver_do_dim_work(struct work_struct *work)
{
- /* Get struct net_dim from struct work_struct */
- struct net_dim *dim = container_of(work, struct net_dim,
- work);
+ /* Get struct dim from struct work_struct */
+ struct dim *dim = container_of(work, struct dim,
+ work);
/* Do interrupt moderation related stuff */
...
/* Signal net DIM work is done and it should move to next iteration */
- dim->state = NET_DIM_START_MEASURE;
+ dim->state = DIM_START_MEASURE;
}
/* My driver's interrupt handler */
@@ -152,13 +152,13 @@ int my_driver_handle_interrupt(struct my_driver_entity *my_entity, ...)
{
...
/* A struct to hold current measured data */
- struct net_dim_sample dim_sample;
+ struct dim_sample dim_sample;
...
/* Initiate data sample struct with current data */
- net_dim_sample(my_entity->events,
- my_entity->packets,
- my_entity->bytes,
- &dim_sample);
+ dim_update_sample(my_entity->events,
+ my_entity->packets,
+ my_entity->bytes,
+ &dim_sample);
/* Call net DIM */
net_dim(&my_entity->dim, dim_sample);
...
diff --git a/Documentation/networking/tls-offload.rst b/Documentation/networking/tls-offload.rst
index 0dd3f748239f..f914e81fd3a6 100644
--- a/Documentation/networking/tls-offload.rst
+++ b/Documentation/networking/tls-offload.rst
@@ -436,6 +436,10 @@ by the driver:
encryption.
* ``tx_tls_ooo`` - number of TX packets which were part of a TLS stream
but did not arrive in the expected order.
+ * ``tx_tls_skip_no_sync_data`` - number of TX packets which were part of
+ a TLS stream and arrived out-of-order, but skipped the HW offload routine
+ and went to the regular transmit flow as they were retransmissions of the
+ connection handshake.
* ``tx_tls_drop_no_sync_data`` - number of TX packets which were part of
a TLS stream dropped, because they arrived out of order and associated
record could not be found.
diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index f4a2198187f9..ada573b7d703 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -56,7 +56,7 @@ instead of ``double-indenting`` the ``case`` labels. E.g.:
case 'K':
case 'k':
mem <<= 10;
- /* fall through */
+ fallthrough;
default:
break;
}
diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index 053b24a6dd38..179f2a5625a0 100644
--- a/Documentation/process/deprecated.rst
+++ b/Documentation/process/deprecated.rst
@@ -122,14 +122,27 @@ memory adjacent to the stack (when built without `CONFIG_VMAP_STACK=y`)
Implicit switch case fall-through
---------------------------------
-The C language allows switch cases to "fall through" when
-a "break" statement is missing at the end of a case. This,
-however, introduces ambiguity in the code, as it's not always
-clear if the missing break is intentional or a bug. As there
-have been a long list of flaws `due to missing "break" statements
+The C language allows switch cases to "fall-through" when a "break" statement
+is missing at the end of a case. This, however, introduces ambiguity in the
+code, as it's not always clear if the missing break is intentional or a bug.
+
+As there have been a long list of flaws `due to missing "break" statements
<https://cwe.mitre.org/data/definitions/484.html>`_, we no longer allow
-"implicit fall-through". In order to identify an intentional fall-through
-case, we have adopted the marking used by static analyzers: a comment
-saying `/* Fall through */`. Once the C++17 `__attribute__((fallthrough))`
-is more widely handled by C compilers, static analyzers, and IDEs, we can
-switch to using that instead.
+"implicit fall-through".
+
+In order to identify intentional fall-through cases, we have adopted a
+pseudo-keyword macro 'fallthrough' which expands to gcc's extension
+__attribute__((__fallthrough__)). `Statement Attributes
+<https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html>`_
+
+When the C17/C18 [[fallthrough]] syntax is more commonly supported by
+C compilers, static analyzers, and IDEs, we can switch to using that syntax
+for the macro pseudo-keyword.
+
+All switch/case blocks must end in one of:
+
+ break;
+ fallthrough;
+ continue;
+ goto <label>;
+ return [expression];
diff --git a/Documentation/usb/rio.rst b/Documentation/usb/rio.rst
deleted file mode 100644
index ea73475471db..000000000000
--- a/Documentation/usb/rio.rst
+++ /dev/null
@@ -1,109 +0,0 @@
-´╗┐============
-Diamonds Rio
-============
-
-Copyright (C) 1999, 2000 Bruce Tenison
-
-Portions Copyright (C) 1999, 2000 David Nelson
-
-Thanks to David Nelson for guidance and the usage of the scanner.txt
-and scanner.c files to model our driver and this informative file.
-
-Mar. 2, 2000
-
-Changes
-=======
-
-- Initial Revision
-
-
-Overview
-========
-
-This README will address issues regarding how to configure the kernel
-to access a RIO 500 mp3 player.
-Before I explain how to use this to access the Rio500 please be warned:
-
-.. warning::
-
- Please note that this software is still under development. The authors
- are in no way responsible for any damage that may occur, no matter how
- inconsequential.
-
-It seems that the Rio has a problem when sending .mp3 with low batteries.
-I suggest when the batteries are low and you want to transfer stuff that you
-replace it with a fresh one. In my case, what happened is I lost two 16kb
-blocks (they are no longer usable to store information to it). But I don't
-know if that's normal or not; it could simply be a problem with the flash
-memory.
-
-In an extreme case, I left my Rio playing overnight and the batteries wore
-down to nothing and appear to have corrupted the flash memory. My RIO
-needed to be replaced as a result. Diamond tech support is aware of the
-problem. Do NOT allow your batteries to wear down to nothing before
-changing them. It appears RIO 500 firmware does not handle low battery
-power well at all.
-
-On systems with OHCI controllers, the kernel OHCI code appears to have
-power on problems with some chipsets. If you are having problems
-connecting to your RIO 500, try turning it on first and then plugging it
-into the USB cable.
-
-Contact Information
--------------------
-
- The main page for the project is hosted at sourceforge.net in the following
- URL: <http://rio500.sourceforge.net>. You can also go to the project's
- sourceforge home page at: <http://sourceforge.net/projects/rio500/>.
- There is also a mailing list: rio500-users@lists.sourceforge.net
-
-Authors
--------
-
-Most of the code was written by Cesar Miquel <miquel@df.uba.ar>. Keith
-Clayton <kclayton@jps.net> is incharge of the PPC port and making sure
-things work there. Bruce Tenison <btenison@dibbs.net> is adding support
-for .fon files and also does testing. The program will mostly sure be
-re-written and Pete Ikusz along with the rest will re-design it. I would
-also like to thank Tri Nguyen <tmn_3022000@hotmail.com> who provided use
-with some important information regarding the communication with the Rio.
-
-Additional Information and userspace tools
-
- http://rio500.sourceforge.net/
-
-
-Requirements
-============
-
-A host with a USB port running a Linux kernel with RIO 500 support enabled.
-
-The driver is a module called rio500, which should be automatically loaded
-as you plug in your device. If that fails you can manually load it with
-
- modprobe rio500
-
-Udev should automatically create a device node as soon as plug in your device.
-If that fails, you can manually add a device for the USB rio500::
-
- mknod /dev/usb/rio500 c 180 64
-
-In that case, set appropriate permissions for /dev/usb/rio500 (don't forget
-about group and world permissions). Both read and write permissions are
-required for proper operation.
-
-That's it. The Rio500 Utils at: http://rio500.sourceforge.net should
-be able to access the rio500.
-
-Limits
-======
-
-You can use only a single rio500 device at a time with your computer.
-
-Bugs
-====
-
-If you encounter any problems feel free to drop me an email.
-
-Bruce Tenison
-btenison@dibbs.net
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index af64c4bb4447..a8de2fbc1caa 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -27,6 +27,7 @@ x86-specific Documentation
mds
microcode
resctrl_ui
+ tsx_async_abort
usb-legacy-support
i386/index
x86_64/index
diff --git a/Documentation/x86/tsx_async_abort.rst b/Documentation/x86/tsx_async_abort.rst
new file mode 100644
index 000000000000..583ddc185ba2
--- /dev/null
+++ b/Documentation/x86/tsx_async_abort.rst
@@ -0,0 +1,117 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+TSX Async Abort (TAA) mitigation
+================================
+
+.. _tsx_async_abort:
+
+Overview
+--------
+
+TSX Async Abort (TAA) is a side channel attack on internal buffers in some
+Intel processors similar to Microachitectural Data Sampling (MDS). In this
+case certain loads may speculatively pass invalid data to dependent operations
+when an asynchronous abort condition is pending in a Transactional
+Synchronization Extensions (TSX) transaction. This includes loads with no
+fault or assist condition. Such loads may speculatively expose stale data from
+the same uarch data structures as in MDS, with same scope of exposure i.e.
+same-thread and cross-thread. This issue affects all current processors that
+support TSX.
+
+Mitigation strategy
+-------------------
+
+a) TSX disable - one of the mitigations is to disable TSX. A new MSR
+IA32_TSX_CTRL will be available in future and current processors after
+microcode update which can be used to disable TSX. In addition, it
+controls the enumeration of the TSX feature bits (RTM and HLE) in CPUID.
+
+b) Clear CPU buffers - similar to MDS, clearing the CPU buffers mitigates this
+vulnerability. More details on this approach can be found in
+:ref:`Documentation/admin-guide/hw-vuln/mds.rst <mds>`.
+
+Kernel internal mitigation modes
+--------------------------------
+
+ ============= ============================================================
+ off Mitigation is disabled. Either the CPU is not affected or
+ tsx_async_abort=off is supplied on the kernel command line.
+
+ tsx disabled Mitigation is enabled. TSX feature is disabled by default at
+ bootup on processors that support TSX control.
+
+ verw Mitigation is enabled. CPU is affected and MD_CLEAR is
+ advertised in CPUID.
+
+ ucode needed Mitigation is enabled. CPU is affected and MD_CLEAR is not
+ advertised in CPUID. That is mainly for virtualization
+ scenarios where the host has the updated microcode but the
+ hypervisor does not expose MD_CLEAR in CPUID. It's a best
+ effort approach without guarantee.
+ ============= ============================================================
+
+If the CPU is affected and the "tsx_async_abort" kernel command line parameter is
+not provided then the kernel selects an appropriate mitigation depending on the
+status of RTM and MD_CLEAR CPUID bits.
+
+Below tables indicate the impact of tsx=on|off|auto cmdline options on state of
+TAA mitigation, VERW behavior and TSX feature for various combinations of
+MSR_IA32_ARCH_CAPABILITIES bits.
+
+1. "tsx=off"
+
+========= ========= ============ ============ ============== =================== ======================
+MSR_IA32_ARCH_CAPABILITIES bits Result with cmdline tsx=off
+---------------------------------- -------------------------------------------------------------------------
+TAA_NO MDS_NO TSX_CTRL_MSR TSX state VERW can clear TAA mitigation TAA mitigation
+ after bootup CPU buffers tsx_async_abort=off tsx_async_abort=full
+========= ========= ============ ============ ============== =================== ======================
+ 0 0 0 HW default Yes Same as MDS Same as MDS
+ 0 0 1 Invalid case Invalid case Invalid case Invalid case
+ 0 1 0 HW default No Need ucode update Need ucode update
+ 0 1 1 Disabled Yes TSX disabled TSX disabled
+ 1 X 1 Disabled X None needed None needed
+========= ========= ============ ============ ============== =================== ======================
+
+2. "tsx=on"
+
+========= ========= ============ ============ ============== =================== ======================
+MSR_IA32_ARCH_CAPABILITIES bits Result with cmdline tsx=on
+---------------------------------- -------------------------------------------------------------------------
+TAA_NO MDS_NO TSX_CTRL_MSR TSX state VERW can clear TAA mitigation TAA mitigation
+ after bootup CPU buffers tsx_async_abort=off tsx_async_abort=full
+========= ========= ============ ============ ============== =================== ======================
+ 0 0 0 HW default Yes Same as MDS Same as MDS
+ 0 0 1 Invalid case Invalid case Invalid case Invalid case
+ 0 1 0 HW default No Need ucode update Need ucode update
+ 0 1 1 Enabled Yes None Same as MDS
+ 1 X 1 Enabled X None needed None needed
+========= ========= ============ ============ ============== =================== ======================
+
+3. "tsx=auto"
+
+========= ========= ============ ============ ============== =================== ======================
+MSR_IA32_ARCH_CAPABILITIES bits Result with cmdline tsx=auto
+---------------------------------- -------------------------------------------------------------------------
+TAA_NO MDS_NO TSX_CTRL_MSR TSX state VERW can clear TAA mitigation TAA mitigation
+ after bootup CPU buffers tsx_async_abort=off tsx_async_abort=full
+========= ========= ============ ============ ============== =================== ======================
+ 0 0 0 HW default Yes Same as MDS Same as MDS
+ 0 0 1 Invalid case Invalid case Invalid case Invalid case
+ 0 1 0 HW default No Need ucode update Need ucode update
+ 0 1 1 Disabled Yes TSX disabled TSX disabled
+ 1 X 1 Enabled X None needed None needed
+========= ========= ============ ============ ============== =================== ======================
+
+In the tables, TSX_CTRL_MSR is a new bit in MSR_IA32_ARCH_CAPABILITIES that
+indicates whether MSR_IA32_TSX_CTRL is supported.
+
+There are two control bits in IA32_TSX_CTRL MSR:
+
+ Bit 0: When set it disables the Restricted Transactional Memory (RTM)
+ sub-feature of TSX (will force all transactions to abort on the
+ XBEGIN instruction).
+
+ Bit 1: When set it disables the enumeration of the RTM and HLE feature
+ (i.e. it will make CPUID(EAX=7).EBX{bit4} and
+ CPUID(EAX=7).EBX{bit11} read as 0).
diff --git a/MAINTAINERS b/MAINTAINERS
index af238ff220f1..bf8daba4afbb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -643,7 +643,7 @@ F: drivers/net/ethernet/alacritech/*
FORCEDETH GIGABIT ETHERNET DRIVER
M: Rain River <rain.1986.08.12@gmail.com>
-M: Zhu Yanjun <yanjun.zhu@oracle.com>
+M: Zhu Yanjun <zyjzyj2000@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/nvidia/*
@@ -2165,12 +2165,10 @@ F: arch/arm64/boot/dts/realtek/
F: Documentation/devicetree/bindings/arm/realtek.yaml
ARM/RENESAS ARM64 ARCHITECTURE
-M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
@@ -2282,12 +2280,10 @@ S: Maintained
F: drivers/media/platform/s5p-mfc/
ARM/SHMOBILE ARM ARCHITECTURE
-M: Simon Horman <horms@verge.net.au>
M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm/boot/dts/emev2*
@@ -2327,11 +2323,13 @@ F: drivers/edac/altera_edac.
ARM/SPREADTRUM SoC SUPPORT
M: Orson Zhai <orsonzhai@gmail.com>
-M: Baolin Wang <baolin.wang@linaro.org>
+M: Baolin Wang <baolin.wang7@gmail.com>
M: Chunyan Zhang <zhang.lyra@gmail.com>
S: Maintained
F: arch/arm64/boot/dts/sprd
N: sprd
+N: sc27xx
+N: sc2731
ARM/STI ARCHITECTURE
M: Patrice Chotard <patrice.chotard@st.com>
@@ -3055,6 +3053,7 @@ M: Daniel Borkmann <daniel@iogearbox.net>
R: Martin KaFai Lau <kafai@fb.com>
R: Song Liu <songliubraving@fb.com>
R: Yonghong Song <yhs@fb.com>
+R: Andrii Nakryiko <andriin@fb.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
@@ -3100,7 +3099,7 @@ S: Supported
F: arch/arm64/net/
BPF JIT for MIPS (32-BIT AND 64-BIT)
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
S: Maintained
@@ -3187,7 +3186,7 @@ N: bcm216*
N: kona
F: arch/arm/mach-bcm/
-BROADCOM BCM2835 ARM ARCHITECTURE
+BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
M: Eric Anholt <eric@anholt.net>
M: Stefan Wahren <wahrenst@gmx.net>
L: bcm-kernel-feedback-list@broadcom.com
@@ -3195,6 +3194,7 @@ L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/anholt/linux
S: Maintained
+N: bcm2711
N: bcm2835
F: drivers/staging/vc04_services
@@ -3241,8 +3241,6 @@ S: Maintained
F: drivers/usb/gadget/udc/bcm63xx_udc.*
BROADCOM BCM7XXX ARM ARCHITECTURE
-M: Brian Norris <computersforpeace@gmail.com>
-M: Gregory Fong <gregory.0xf0@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -3263,7 +3261,6 @@ S: Maintained
F: drivers/cpufreq/bmips-cpufreq.c
BROADCOM BMIPS MIPS ARCHITECTURE
-M: Kevin Cernekee <cernekee@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
L: bcm-kernel-feedback-list@broadcom.com
L: linux-mips@vger.kernel.org
@@ -3740,7 +3737,6 @@ F: drivers/crypto/cavium/cpt/
CAVIUM THUNDERX2 ARM64 SOC
M: Robert Richter <rrichter@cavium.com>
-M: Jayachandran C <jnair@caviumnetworks.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm64/boot/dts/cavium/thunder2-99xx*
@@ -8005,7 +8001,7 @@ S: Maintained
F: drivers/usb/atm/ueagle-atm.c
IMGTEC ASCII LCD DRIVER
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F: drivers/auxdisplay/img-ascii-lcd.c
@@ -8302,11 +8298,14 @@ F: drivers/hid/intel-ish-hid/
INTEL IOMMU (VT-d)
M: David Woodhouse <dwmw2@infradead.org>
+M: Lu Baolu <baolu.lu@linux.intel.com>
L: iommu@lists.linux-foundation.org
-T: git git://git.infradead.org/iommu-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S: Supported
-F: drivers/iommu/intel-iommu.c
+F: drivers/iommu/dmar.c
+F: drivers/iommu/intel*.[ch]
F: include/linux/intel-iommu.h
+F: include/linux/intel-svm.h
INTEL IOP-ADMA DMA DRIVER
R: Dan Williams <dan.j.williams@intel.com>
@@ -8565,12 +8564,13 @@ F: include/linux/iova.h
IO_URING
M: Jens Axboe <axboe@kernel.dk>
-L: linux-block@vger.kernel.org
-L: linux-fsdevel@vger.kernel.org
+L: io-uring@vger.kernel.org
T: git git://git.kernel.dk/linux-block
T: git git://git.kernel.dk/liburing
S: Maintained
F: fs/io_uring.c
+F: fs/io-wq.c
+F: fs/io-wq.h
F: include/uapi/linux/io_uring.h
IPMI SUBSYSTEM
@@ -9126,7 +9126,7 @@ F: drivers/auxdisplay/ks0108.c
F: include/linux/ks0108.h
L3MDEV
-M: David Ahern <dsa@cumulusnetworks.com>
+M: David Ahern <dsahern@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
F: net/l3mdev
@@ -9187,6 +9187,7 @@ M: Pavel Machek <pavel@ucw.cz>
R: Dan Murphy <dmurphy@ti.com>
L: linux-leds@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git
S: Maintained
F: Documentation/devicetree/bindings/leds/
F: drivers/leds/
@@ -10258,7 +10259,7 @@ MEDIATEK ETHERNET DRIVER
M: Felix Fietkau <nbd@openwrt.org>
M: John Crispin <john@phrozen.org>
M: Sean Wang <sean.wang@mediatek.com>
-M: Nelson Chang <nelson.chang@mediatek.com>
+M: Mark Lee <Mark-MC.Lee@mediatek.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/mediatek/
@@ -10521,8 +10522,12 @@ F: mm/memblock.c
F: Documentation/core-api/boot-time-mm.rst
MEMORY MANAGEMENT
+M: Andrew Morton <akpm@linux-foundation.org>
L: linux-mm@kvack.org
W: http://www.linux-mm.org
+T: quilt https://ozlabs.org/~akpm/mmotm/
+T: quilt https://ozlabs.org/~akpm/mmots/
+T: git git://github.com/hnaz/linux-mm.git
S: Maintained
F: include/linux/mm.h
F: include/linux/gfp.h
@@ -10831,7 +10836,7 @@ F: drivers/usb/image/microtek.*
MIPS
M: Ralf Baechle <ralf@linux-mips.org>
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
M: James Hogan <jhogan@kernel.org>
L: linux-mips@vger.kernel.org
W: http://www.linux-mips.org/
@@ -10845,7 +10850,7 @@ F: arch/mips/
F: drivers/platform/mips/
MIPS BOSTON DEVELOPMENT BOARD
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: linux-mips@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
@@ -10855,7 +10860,7 @@ F: drivers/clk/imgtec/clk-boston.c
F: include/dt-bindings/clock/boston-clock.h
MIPS GENERIC PLATFORM
-M: Paul Burton <paul.burton@mips.com>
+M: Paul Burton <paulburton@kernel.org>
L: linux-mips@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/power/mti,mips-cpc.txt
@@ -11410,7 +11415,6 @@ F: include/trace/events/tcp.h
NETWORKING [TLS]
M: Boris Pismenny <borisp@mellanox.com>
M: Aviad Yehezkel <aviadye@mellanox.com>
-M: Dave Watson <davejwatson@fb.com>
M: John Fastabend <john.fastabend@gmail.com>
M: Daniel Borkmann <daniel@iogearbox.net>
M: Jakub Kicinski <jakub.kicinski@netronome.com>
@@ -11547,6 +11551,7 @@ NSDEPS
M: Matthias Maennich <maennich@google.com>
S: Maintained
F: scripts/nsdeps
+F: Documentation/core-api/symbol-namespaces.rst
NTB AMD DRIVER
M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
@@ -12315,12 +12320,15 @@ F: arch/parisc/
F: Documentation/parisc/
F: drivers/parisc/
F: drivers/char/agp/parisc-agp.c
+F: drivers/input/misc/hp_sdc_rtc.c
F: drivers/input/serio/gscps2.c
+F: drivers/input/serio/hp_sdc*
F: drivers/parport/parport_gsc.*
F: drivers/tty/serial/8250/8250_gsc.c
F: drivers/video/fbdev/sti*
F: drivers/video/console/sti*
F: drivers/video/logo/logo_parisc*
+F: include/linux/hp_sdc.h
PARMAN
M: Jiri Pirko <jiri@mellanox.com>
@@ -13905,7 +13913,7 @@ F: drivers/mtd/nand/raw/r852.h
RISC-V ARCHITECTURE
M: Paul Walmsley <paul.walmsley@sifive.com>
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
M: Albert Ou <aou@eecs.berkeley.edu>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
@@ -14782,7 +14790,7 @@ F: drivers/media/usb/siano/
F: drivers/media/mmc/siano/
SIFIVE DRIVERS
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
M: Paul Walmsley <paul.walmsley@sifive.com>
L: linux-riscv@lists.infradead.org
T: git git://github.com/sifive/riscv-linux.git
@@ -14792,7 +14800,7 @@ N: sifive
SIFIVE FU540 SYSTEM-ON-CHIP
M: Paul Walmsley <paul.walmsley@sifive.com>
-M: Palmer Dabbelt <palmer@sifive.com>
+M: Palmer Dabbelt <palmer@dabbelt.com>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pjw/sifive.git
S: Supported
@@ -16767,13 +16775,6 @@ W: http://www.linux-usb.org/usbnet
S: Maintained
F: drivers/net/usb/dm9601.c
-USB DIAMOND RIO500 DRIVER
-M: Cesar Miquel <miquel@df.uba.ar>
-L: rio500-users@lists.sourceforge.net
-W: http://rio500.sourceforge.net
-S: Maintained
-F: drivers/usb/misc/rio500*
-
USB EHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
@@ -17216,6 +17217,7 @@ F: virt/lib/
VIRTIO AND VHOST VSOCK DRIVER
M: Stefan Hajnoczi <stefanha@redhat.com>
+M: Stefano Garzarella <sgarzare@redhat.com>
L: kvm@vger.kernel.org
L: virtualization@lists.linux-foundation.org
L: netdev@vger.kernel.org
@@ -17440,7 +17442,7 @@ F: include/linux/regulator/
K: regulator_get_optional
VRF
-M: David Ahern <dsa@cumulusnetworks.com>
+M: David Ahern <dsahern@kernel.org>
M: Shrijeet Mukherjee <shrijeet@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
@@ -18041,6 +18043,7 @@ F: Documentation/vm/zsmalloc.rst
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjenning@redhat.com>
M: Dan Streetman <ddstreet@ieee.org>
+M: Vitaly Wool <vitaly.wool@konsulko.com>
L: linux-mm@kvack.org
S: Maintained
F: mm/zswap.c
diff --git a/Makefile b/Makefile
index f47dfdec7086..d4d36c61940b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 0
-EXTRAVERSION = -rc2
-NAME = Nesting Opossum
+EXTRAVERSION =
+NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
@@ -599,7 +599,7 @@ endif
# in addition to whatever we do anyway.
# Just "make" or "make all" shall build modules as well
-ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
+ifneq ($(filter all _all modules nsdeps,$(MAKECMDGOALS)),)
KBUILD_MODULES := 1
endif
@@ -917,6 +917,9 @@ ifeq ($(CONFIG_RELR),y)
LDFLAGS_vmlinux += --pack-dyn-relocs=relr
endif
+# make the checker run with the right architecture
+CHECKFLAGS += --arch=$(ARCH)
+
# insure the checker run with the right endianness
CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
@@ -1037,7 +1040,7 @@ export KBUILD_VMLINUX_OBJS := $(head-y) $(init-y) $(core-y) $(libs-y2) \
export KBUILD_VMLINUX_LIBS := $(libs-y1)
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
export LDFLAGS_vmlinux
-# used by scripts/package/Makefile
+# used by scripts/Makefile.package
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) LICENSES arch include scripts tools)
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS)
@@ -1217,9 +1220,8 @@ PHONY += kselftest
kselftest:
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
-PHONY += kselftest-clean
-kselftest-clean:
- $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
+kselftest-%: FORCE
+ $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*
PHONY += kselftest-merge
kselftest-merge:
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index bfc7f5f5d6f2..9acbeba832c0 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -65,6 +65,14 @@
clock-frequency = <33333333>;
};
+ reg_5v0: regulator-5v0 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "5v0-supply";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
cpu_intc: cpu-interrupt-controller {
compatible = "snps,archs-intc";
interrupt-controller;
@@ -264,6 +272,21 @@
clocks = <&input_clk>;
cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>,
<&creg_gpio 1 GPIO_ACTIVE_LOW>;
+
+ spi-flash@0 {
+ compatible = "sst26wf016b", "jedec,spi-nor";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <4000000>;
+ };
+
+ adc@1 {
+ compatible = "ti,adc108s102";
+ reg = <1>;
+ vref-supply = <&reg_5v0>;
+ spi-max-frequency = <1000000>;
+ };
};
creg_gpio: gpio@14b0 {
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 9b9a74444ce2..0974226fab55 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -32,6 +32,8 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_MTD=y
+CONFIG_MTD_SPI_NOR=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
@@ -55,6 +57,8 @@ CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DRM_UDL=y
@@ -72,6 +76,8 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
CONFIG_DMADEVICES=y
CONFIG_DW_AXI_DMAC=y
+CONFIG_IIO=y
+CONFIG_TI_ADC108S102=y
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 861a8aea51f9..661fd842ea97 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -614,8 +614,8 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
/* loop thru all available h/w condition indexes */
for (i = 0; i < cc_bcr.c; i++) {
write_aux_reg(ARC_REG_CC_INDEX, i);
- cc_name.indiv.word0 = read_aux_reg(ARC_REG_CC_NAME0);
- cc_name.indiv.word1 = read_aux_reg(ARC_REG_CC_NAME1);
+ cc_name.indiv.word0 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME0));
+ cc_name.indiv.word1 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME1));
arc_pmu_map_hw_event(i, cc_name.str);
arc_pmu_add_raw_event_attr(i, cc_name.str);
diff --git a/arch/arm/boot/dts/am3874-iceboard.dts b/arch/arm/boot/dts/am3874-iceboard.dts
index 883fb85135d4..1b4b2b0500e4 100644
--- a/arch/arm/boot/dts/am3874-iceboard.dts
+++ b/arch/arm/boot/dts/am3874-iceboard.dts
@@ -111,13 +111,13 @@
reg = <0x70>;
#address-cells = <1>;
#size-cells = <0>;
+ i2c-mux-idle-disconnect;
i2c@0 {
/* FMC A */
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
- i2c-mux-idle-disconnect;
};
i2c@1 {
@@ -125,7 +125,6 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
- i2c-mux-idle-disconnect;
};
i2c@2 {
@@ -133,7 +132,6 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
- i2c-mux-idle-disconnect;
};
i2c@3 {
@@ -141,7 +139,6 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
- i2c-mux-idle-disconnect;
};
i2c@4 {
@@ -149,14 +146,12 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <4>;
- i2c-mux-idle-disconnect;
};
i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <5>;
- i2c-mux-idle-disconnect;
ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <5000>; };
ina230@41 { compatible = "ti,ina230"; reg = <0x41>; shunt-resistor = <5000>; };
@@ -182,14 +177,12 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <6>;
- i2c-mux-idle-disconnect;
};
i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <7>;
- i2c-mux-idle-disconnect;
u41: pca9575@20 {
compatible = "nxp,pca9575";
diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
index 09a088f98566..b75af21069f9 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
@@ -113,6 +113,7 @@
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
+ bus-width = <4>;
mmc-pwrseq = <&wifi_pwrseq>;
non-removable;
status = "okay";
diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
index 7c3cb7ece6cb..925cb37c22f0 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
@@ -9,6 +9,14 @@
reg = <0 0x40000000>;
};
+ leds {
+ /*
+ * Since there is no upstream GPIO driver yet,
+ * remove the incomplete node.
+ */
+ /delete-node/ act;
+ };
+
reg_3v3: fixed-regulator {
compatible = "regulator-fixed";
regulator-name = "3V3";
diff --git a/arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi b/arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi
index 2a6ce87071f9..9e027b9a5f91 100644
--- a/arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi
+++ b/arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi
@@ -328,6 +328,10 @@
pinctrl-0 = <&pinctrl_pwm3>;
};
+&snvs_pwrkey {
+ status = "okay";
+};
+
&ssi2 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6-logicpd-som.dtsi b/arch/arm/boot/dts/imx6-logicpd-som.dtsi
index 7ceae3573248..547fb141ec0c 100644
--- a/arch/arm/boot/dts/imx6-logicpd-som.dtsi
+++ b/arch/arm/boot/dts/imx6-logicpd-som.dtsi
@@ -207,6 +207,10 @@
vin-supply = <&sw1c_reg>;
};
+&snvs_poweroff {
+ status = "okay";
+};
+
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index f3404dd10537..cf628465cd0a 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -230,6 +230,8 @@
accelerometer@1c {
compatible = "fsl,mma8451";
reg = <0x1c>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mma8451_int>;
interrupt-parent = <&gpio6>;
interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
};
@@ -628,6 +630,12 @@
>;
};
+ pinctrl_mma8451_int: mma8451intgrp {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0xb0b1
+ >;
+ };
+
pinctrl_pwm3: pwm1grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 710f850e785c..e2e604d6ba0b 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -448,7 +448,7 @@
compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
reg = <0x302d0000 0x10000>;
interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks IMX7D_CLK_DUMMY>,
+ clocks = <&clks IMX7D_GPT1_ROOT_CLK>,
<&clks IMX7D_GPT1_ROOT_CLK>;
clock-names = "ipg", "per";
};
@@ -457,7 +457,7 @@
compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
reg = <0x302e0000 0x10000>;
interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks IMX7D_CLK_DUMMY>,
+ clocks = <&clks IMX7D_GPT2_ROOT_CLK>,
<&clks IMX7D_GPT2_ROOT_CLK>;
clock-names = "ipg", "per";
status = "disabled";
@@ -467,7 +467,7 @@
compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
reg = <0x302f0000 0x10000>;
interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks IMX7D_CLK_DUMMY>,
+ clocks = <&clks IMX7D_GPT3_ROOT_CLK>,
<&clks IMX7D_GPT3_ROOT_CLK>;
clock-names = "ipg", "per";
status = "disabled";
@@ -477,7 +477,7 @@
compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt";
reg = <0x30300000 0x10000>;
interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks IMX7D_CLK_DUMMY>,
+ clocks = <&clks IMX7D_GPT4_ROOT_CLK>,
<&clks IMX7D_GPT4_ROOT_CLK>;
clock-names = "ipg", "per";
status = "disabled";
diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
index 3fdd0a72f87f..506b118e511a 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
@@ -192,3 +192,7 @@
&twl_gpio {
ti,use-leds;
};
+
+&twl_keypad {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/mt7629-rfb.dts b/arch/arm/boot/dts/mt7629-rfb.dts
index 3621b7d2b22a..9980c10c6e29 100644
--- a/arch/arm/boot/dts/mt7629-rfb.dts
+++ b/arch/arm/boot/dts/mt7629-rfb.dts
@@ -66,9 +66,21 @@
pinctrl-1 = <&ephy_leds_pins>;
status = "okay";
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "2500base-x";
+ fixed-link {
+ speed = <2500>;
+ full-duplex;
+ pause;
+ };
+ };
+
gmac1: mac@1 {
compatible = "mediatek,eth-mac";
reg = <1>;
+ phy-mode = "gmii";
phy-handle = <&phy0>;
};
@@ -78,7 +90,6 @@
phy0: ethernet-phy@0 {
reg = <0>;
- phy-mode = "gmii";
};
};
};
diff --git a/arch/arm/boot/dts/mt7629.dtsi b/arch/arm/boot/dts/mt7629.dtsi
index 9608bc2ccb3f..867b88103b9d 100644
--- a/arch/arm/boot/dts/mt7629.dtsi
+++ b/arch/arm/boot/dts/mt7629.dtsi
@@ -468,14 +468,12 @@
compatible = "mediatek,mt7629-sgmiisys", "syscon";
reg = <0x1b128000 0x3000>;
#clock-cells = <1>;
- mediatek,physpeed = "2500";
};
sgmiisys1: syscon@1b130000 {
compatible = "mediatek,mt7629-sgmiisys", "syscon";
reg = <0x1b130000 0x3000>;
#clock-cells = <1>;
- mediatek,physpeed = "2500";
};
};
};
diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index 4454449de00c..a40fe8d49da6 100644
--- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
+++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
@@ -369,7 +369,7 @@
compatible = "ti,wl1285", "ti,wl1283";
reg = <2>;
/* gpio_100 with gpmc_wait2 pad as wakeirq */
- interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>,
+ interrupts-exte