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-rw-r--r--.mailmap1
-rw-r--r--CREDITS16
-rw-r--r--Documentation/ABI/testing/sysfs-class-led-trigger-pattern4
-rw-r--r--Documentation/ABI/testing/sysfs-class-net-dsa2
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt65
-rw-r--r--Documentation/admin-guide/pm/cpufreq.rst2
-rw-r--r--Documentation/admin-guide/security-bugs.rst21
-rw-r--r--Documentation/arm64/silicon-errata.txt1
-rw-r--r--Documentation/core-api/xarray.rst55
-rw-r--r--Documentation/cpu-freq/cpufreq-stats.txt8
-rw-r--r--Documentation/devicetree/bindings/arm/shmobile.txt2
-rw-r--r--Documentation/devicetree/bindings/clock/clock-bindings.txt16
-rw-r--r--Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt65
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-omap.txt8
-rw-r--r--Documentation/devicetree/bindings/input/input-reset.txt2
-rw-r--r--Documentation/devicetree/bindings/media/rockchip-vpu.txt29
-rw-r--r--Documentation/devicetree/bindings/net/can/holt_hi311x.txt2
-rw-r--r--Documentation/devicetree/bindings/net/can/rcar_can.txt28
-rw-r--r--Documentation/devicetree/bindings/net/dsa/dsa.txt2
-rw-r--r--Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt31
-rw-r--r--Documentation/devicetree/bindings/spi/spi-uniphier.txt14
-rw-r--r--Documentation/i2c/busses/i2c-nvidia-gpu18
-rw-r--r--Documentation/input/event-codes.rst11
-rw-r--r--Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst26
-rw-r--r--Documentation/media/uapi/mediactl/media-request-ioc-queue.rst26
-rw-r--r--Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst26
-rw-r--r--Documentation/media/uapi/mediactl/request-api.rst26
-rw-r--r--Documentation/media/uapi/mediactl/request-func-close.rst26
-rw-r--r--Documentation/media/uapi/mediactl/request-func-ioctl.rst26
-rw-r--r--Documentation/media/uapi/mediactl/request-func-poll.rst26
-rw-r--r--Documentation/media/uapi/v4l/dev-meta.rst2
-rw-r--r--Documentation/media/uapi/v4l/extended-controls.rst10
-rw-r--r--Documentation/media/uapi/v4l/vidioc-g-fmt.rst5
-rw-r--r--Documentation/networking/rxrpc.txt17
-rw-r--r--Documentation/userspace-api/spec_ctrl.rst9
-rw-r--r--Documentation/x86/boot.txt32
-rw-r--r--Documentation/x86/x86_64/mm.txt34
-rw-r--r--Documentation/x86/zero-page.txt2
-rw-r--r--MAINTAINERS262
-rw-r--r--Makefile26
-rw-r--r--arch/alpha/include/asm/termios.h8
-rw-r--r--arch/alpha/include/uapi/asm/ioctls.h5
-rw-r--r--arch/alpha/include/uapi/asm/termbits.h17
-rw-r--r--arch/alpha/kernel/setup.c1
-rw-r--r--arch/alpha/mm/numa.c6
-rw-r--r--arch/arc/Kconfig13
-rw-r--r--arch/arc/Makefile2
-rw-r--r--arch/arc/boot/dts/hsdk.dts15
-rw-r--r--arch/arc/configs/axs101_defconfig2
-rw-r--r--arch/arc/configs/axs103_defconfig1
-rw-r--r--arch/arc/configs/axs103_smp_defconfig1
-rw-r--r--arch/arc/configs/hsdk_defconfig4
-rw-r--r--arch/arc/configs/nps_defconfig2
-rw-r--r--arch/arc/configs/nsim_700_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_defconfig2
-rw-r--r--arch/arc/configs/nsimosci_hs_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/tb10x_defconfig1
-rw-r--r--arch/arc/configs/vdk_hs38_defconfig1
-rw-r--r--arch/arc/configs/vdk_hs38_smp_defconfig1
-rw-r--r--arch/arc/include/asm/cache.h2
-rw-r--r--arch/arc/include/asm/io.h72
-rw-r--r--arch/arc/kernel/setup.c9
-rw-r--r--arch/arc/mm/cache.c20
-rw-r--r--arch/arc/mm/fault.c2
-rw-r--r--arch/arm/boot/dts/am3517-evm.dts2
-rw-r--r--arch/arm/boot/dts/am3517-som.dtsi2
-rw-r--r--arch/arm/boot/dts/arm-realview-pb1176.dts4
-rw-r--r--arch/arm/boot/dts/arm-realview-pb11mp.dts4
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts2
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-b.dts2
-rw-r--r--arch/arm/boot/dts/imx51-zii-rdu1.dts6
-rw-r--r--arch/arm/boot/dts/imx53-ppd.dts2
-rw-r--r--arch/arm/boot/dts/imx6sll.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6sx-sdb.dtsi7
-rw-r--r--arch/arm/boot/dts/imx7d-nitrogen7.dts9
-rw-r--r--arch/arm/boot/dts/imx7d-pico.dtsi22
-rw-r--r--arch/arm/boot/dts/logicpd-som-lv.dtsi2
-rw-r--r--arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts2
-rw-r--r--arch/arm/boot/dts/rk3288-veyron.dtsi6
-rw-r--r--arch/arm/boot/dts/sama5d2.dtsi2
-rw-r--r--arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts4
-rw-r--r--arch/arm/boot/dts/vf610m4-colibri.dts4
-rw-r--r--arch/arm/configs/multi_v7_defconfig1
-rw-r--r--arch/arm/include/asm/cputype.h1
-rw-r--r--arch/arm/include/asm/pgtable-2level.h2
-rw-r--r--arch/arm/include/asm/proc-fns.h61
-rw-r--r--arch/arm/kernel/bugs.c4
-rw-r--r--arch/arm/kernel/ftrace.c17
-rw-r--r--arch/arm/kernel/head-common.S6
-rw-r--r--arch/arm/kernel/setup.c40
-rw-r--r--arch/arm/kernel/smp.c31
-rw-r--r--arch/arm/mach-davinci/da830.c4
-rw-r--r--arch/arm/mach-davinci/da850.c4
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c40
-rw-r--r--arch/arm/mach-davinci/dm355.c32
-rw-r--r--arch/arm/mach-davinci/dm365.c37
-rw-r--r--arch/arm/mach-davinci/dm644x.c22
-rw-r--r--arch/arm/mach-davinci/dm646x.c12
-rw-r--r--arch/arm/mach-imx/cpuidle-imx6sx.c2
-rw-r--r--arch/arm/mach-mmp/cputype.h6
-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c3
-rw-r--r--arch/arm/mach-omap2/display.c111
-rw-r--r--arch/arm/mach-omap2/prm44xx.c2
-rw-r--r--arch/arm/mm/cache-v7.S8
-rw-r--r--arch/arm/mm/cache-v7m.S14
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/proc-macros.S10
-rw-r--r--arch/arm/mm/proc-v7-bugs.c17
-rw-r--r--arch/arm/mm/proc-v7.S2
-rw-r--r--arch/arm/probes/kprobes/opt-arm.c2
-rw-r--r--arch/arm/vfp/vfpmodule.c2
-rw-r--r--arch/arm64/Kconfig25
-rw-r--r--arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi3
-rw-r--r--arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi4
-rw-r--r--arch/arm64/boot/dts/marvell/armada-ap806.dtsi27
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts7
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts7
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7622.dtsi10
-rw-r--r--arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi4
-rw-r--r--arch/arm64/boot/dts/qcom/sdm845-mtp.dts10
-rw-r--r--arch/arm64/boot/dts/renesas/r8a7795.dtsi2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-condor.dts47
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi12
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi2
-rw-r--r--arch/arm64/include/asm/ftrace.h13
-rw-r--r--arch/arm64/include/asm/memory.h9
-rw-r--r--arch/arm64/include/asm/processor.h8
-rw-r--r--arch/arm64/include/asm/sysreg.h4
-rw-r--r--arch/arm64/include/asm/tlbflush.h4
-rw-r--r--arch/arm64/kernel/cpu_errata.c20
-rw-r--r--arch/arm64/kernel/cpufeature.c2
-rw-r--r--arch/arm64/kernel/ftrace.c15
-rw-r--r--arch/arm64/kernel/hibernate.c2
-rw-r--r--arch/arm64/kernel/setup.c1
-rw-r--r--arch/arm64/mm/dma-mapping.c2
-rw-r--r--arch/arm64/mm/init.c10
-rw-r--r--arch/arm64/mm/mmu.c2
-rw-r--r--arch/arm64/net/bpf_jit_comp.c26
-rw-r--r--arch/csky/include/asm/mmu_context.h4
-rw-r--r--arch/ia64/include/asm/numa.h4
-rw-r--r--arch/ia64/kernel/acpi.c6
-rw-r--r--arch/ia64/mm/numa.c6
-rw-r--r--arch/m68k/include/asm/pgtable_mm.h4
-rw-r--r--arch/m68k/kernel/setup_mm.c2
-rw-r--r--arch/m68k/mm/motorola.c2
-rw-r--r--arch/microblaze/include/asm/pgtable.h2
-rw-r--r--arch/microblaze/kernel/ftrace.c15
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper.c2
-rw-r--r--arch/mips/configs/cavium_octeon_defconfig1
-rw-r--r--arch/mips/include/asm/syscall.h2
-rw-r--r--arch/mips/kernel/ftrace.c14
-rw-r--r--arch/mips/kernel/setup.c1
-rw-r--r--arch/mips/kernel/traps.c3
-rw-r--r--arch/mips/loongson64/loongson-3/numa.c12
-rw-r--r--arch/mips/mm/dma-noncoherent.c2
-rw-r--r--arch/mips/ralink/mt7620.c2
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c11
-rw-r--r--arch/nds32/include/asm/pgtable.h2
-rw-r--r--arch/nds32/kernel/ftrace.c18
-rw-r--r--arch/parisc/Makefile7
-rw-r--r--arch/parisc/include/asm/pgtable.h2
-rw-r--r--arch/parisc/include/asm/spinlock.h4
-rw-r--r--arch/parisc/kernel/ftrace.c17
-rw-r--r--arch/parisc/kernel/syscall.S12
-rw-r--r--arch/powerpc/boot/Makefile2
-rw-r--r--arch/powerpc/boot/crt0.S4
-rw-r--r--arch/powerpc/include/asm/io.h20
-rw-r--r--arch/powerpc/include/asm/perf_event.h2
-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h2
-rw-r--r--arch/powerpc/include/asm/ptrace.h1
-rw-r--r--arch/powerpc/include/uapi/asm/Kbuild1
-rw-r--r--arch/powerpc/include/uapi/asm/bpf_perf_event.h9
-rw-r--r--arch/powerpc/kernel/legacy_serial.c6
-rw-r--r--arch/powerpc/kernel/msi.c7
-rw-r--r--arch/powerpc/kernel/ptrace.c7
-rw-r--r--arch/powerpc/kernel/setup_64.c2
-rw-r--r--arch/powerpc/kernel/trace/ftrace.c15
-rw-r--r--arch/powerpc/kvm/book3s_hv.c1
-rw-r--r--arch/powerpc/kvm/trace.h8
-rw-r--r--arch/powerpc/kvm/trace_booke.h9
-rw-r--r--arch/powerpc/kvm/trace_hv.h9
-rw-r--r--arch/powerpc/kvm/trace_pr.h9
-rw-r--r--arch/powerpc/mm/dump_linuxpagetables.c1
-rw-r--r--arch/powerpc/mm/init_64.c19
-rw-r--r--arch/powerpc/mm/numa.c2
-rw-r--r--arch/powerpc/mm/slb.c35
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c123
-rw-r--r--arch/powerpc/platforms/powernv/npu-dma.c64
-rw-r--r--arch/powerpc/platforms/pseries/Kconfig3
-rw-r--r--arch/powerpc/platforms/pseries/papr_scm.c39
-rw-r--r--arch/riscv/Makefile19
-rw-r--r--arch/riscv/boot/.gitignore2
-rw-r--r--arch/riscv/boot/Makefile33
-rw-r--r--arch/riscv/boot/install.sh60
-rw-r--r--arch/riscv/configs/defconfig1
-rw-r--r--arch/riscv/include/asm/module.h1
-rw-r--r--arch/riscv/include/asm/ptrace.h4
-rw-r--r--arch/riscv/include/asm/uaccess.h4
-rw-r--r--arch/riscv/include/asm/unistd.h5
-rw-r--r--arch/riscv/include/uapi/asm/unistd.h (renamed from arch/riscv/include/uapi/asm/syscalls.h)26
-rw-r--r--arch/riscv/kernel/cpu.c9
-rw-r--r--arch/riscv/kernel/ftrace.c14
-rw-r--r--arch/riscv/kernel/head.S10
-rw-r--r--arch/riscv/kernel/module.c12
-rw-r--r--arch/riscv/kernel/vmlinux.lds.S2
-rw-r--r--arch/riscv/lib/Makefile2
-rw-r--r--arch/s390/Makefile2
-rw-r--r--arch/s390/boot/compressed/Makefile16
-rw-r--r--arch/s390/configs/debug_defconfig14
-rw-r--r--arch/s390/configs/performance_defconfig13
-rw-r--r--arch/s390/defconfig79
-rw-r--r--arch/s390/include/asm/mmu_context.h5
-rw-r--r--arch/s390/include/asm/pgalloc.h6
-rw-r--r--arch/s390/include/asm/pgtable.h18
-rw-r--r--arch/s390/include/asm/processor.h4
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/include/asm/tlb.h6
-rw-r--r--arch/s390/kernel/entry.S6
-rw-r--r--arch/s390/kernel/ftrace.c13
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c4
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c33
-rw-r--r--arch/s390/kernel/vdso32/Makefile6
-rw-r--r--arch/s390/kernel/vdso64/Makefile6
-rw-r--r--arch/s390/kernel/vmlinux.lds.S4
-rw-r--r--arch/s390/mm/pgalloc.c2
-rw-r--r--arch/s390/numa/numa.c1
-rw-r--r--arch/sh/include/asm/io.h1
-rw-r--r--arch/sh/kernel/ftrace.c16
-rw-r--r--arch/sparc/kernel/ftrace.c11
-rw-r--r--arch/sparc/kernel/iommu.c3
-rw-r--r--arch/sparc/kernel/setup_32.c13
-rw-r--r--arch/sparc/kernel/setup_64.c4
-rw-r--r--arch/sparc/kernel/signal32.c1
-rw-r--r--arch/sparc/kernel/signal_32.c1
-rw-r--r--arch/sparc/kernel/signal_64.c1
-rw-r--r--arch/sparc/net/bpf_jit_comp_64.c97
-rw-r--r--arch/sparc/vdso/Makefile2
-rw-r--r--arch/um/drivers/ubd_kern.c12
-rw-r--r--arch/x86/Kconfig13
-rw-r--r--arch/x86/Makefile20
-rw-r--r--arch/x86/boot/compressed/eboot.c65
-rw-r--r--arch/x86/boot/header.S6
-rw-r--r--arch/x86/entry/calling.h2
-rw-r--r--arch/x86/entry/entry_64.S4
-rw-r--r--arch/x86/entry/vdso/Makefile7
-rw-r--r--arch/x86/events/core.c20
-rw-r--r--arch/x86/events/intel/core.c68
-rw-r--r--arch/x86/events/intel/uncore.h33
-rw-r--r--arch/x86/events/intel/uncore_snb.c121
-rw-r--r--arch/x86/events/perf_event.h13
-rw-r--r--arch/x86/include/asm/alternative-asm.h20
-rw-r--r--arch/x86/include/asm/alternative.h11
-rw-r--r--arch/x86/include/asm/asm.h53
-rw-r--r--arch/x86/include/asm/bootparam_utils.h1
-rw-r--r--arch/x86/include/asm/bug.h98
-rw-r--r--arch/x86/include/asm/cpufeature.h82
-rw-r--r--arch/x86/include/asm/fpu/internal.h2
-rw-r--r--arch/x86/include/asm/fsgsbase.h15
-rw-r--r--arch/x86/include/asm/jump_label.h72
-rw-r--r--arch/x86/include/asm/kvm_host.h3
-rw-r--r--arch/x86/include/asm/mce.h2
-rw-r--r--arch/x86/include/asm/mshyperv.h2
-rw-r--r--arch/x86/include/asm/msr-index.h6
-rw-r--r--arch/x86/include/asm/nospec-branch.h26
-rw-r--r--arch/x86/include/asm/page_64_types.h12
-rw-r--r--arch/x86/include/asm/paravirt_types.h56
-rw-r--r--arch/x86/include/asm/pgtable_64_types.h9
-rw-r--r--arch/x86/include/asm/qspinlock.h13
-rw-r--r--arch/x86/include/asm/refcount.h81
-rw-r--r--arch/x86/include/asm/spec-ctrl.h20
-rw-r--r--arch/x86/include/asm/switch_to.h3
-rw-r--r--arch/x86/include/asm/thread_info.h20
-rw-r--r--arch/x86/include/asm/tlbflush.h8
-rw-r--r--arch/x86/include/asm/x86_init.h2
-rw-r--r--arch/x86/include/asm/xen/page.h35
-rw-r--r--arch/x86/include/uapi/asm/bootparam.h7
-rw-r--r--arch/x86/kernel/acpi/boot.c2
-rw-r--r--arch/x86/kernel/cpu/bugs.c525
-rw-r--r--arch/x86/kernel/cpu/intel_rdt_ctrlmondata.c4
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c6
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c19
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c11
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c2
-rw-r--r--arch/x86/kernel/cpu/vmware.c2
-rw-r--r--arch/x86/kernel/fpu/signal.c4
-rw-r--r--arch/x86/kernel/ftrace.c15
-rw-r--r--arch/x86/kernel/head32.c1
-rw-r--r--arch/x86/kernel/head64.c2
-rw-r--r--arch/x86/kernel/kprobes/opt.c2
-rw-r--r--arch/x86/kernel/ldt.c59
-rw-r--r--arch/x86/kernel/macros.S16
-rw-r--r--arch/x86/kernel/process.c101
-rw-r--r--arch/x86/kernel/process.h39
-rw-r--r--arch/x86/kernel/process_32.c10
-rw-r--r--arch/x86/kernel/process_64.c109
-rw-r--r--arch/x86/kernel/ptrace.c9
-rw-r--r--arch/x86/kernel/setup.c17
-rw-r--r--arch/x86/kernel/vsmp_64.c84
-rw-r--r--arch/x86/kvm/lapic.c7
-rw-r--r--arch/x86/kvm/mmu.c27
-rw-r--r--arch/x86/kvm/svm.c48
-rw-r--r--arch/x86/kvm/vmx.c100
-rw-r--r--arch/x86/kvm/x86.c14
-rw-r--r--arch/x86/mm/dump_pagetables.c15
-rw-r--r--arch/x86/mm/pageattr.c24
-rw-r--r--arch/x86/mm/pat.c13
-rw-r--r--arch/x86/mm/tlb.c115
-rw-r--r--arch/x86/platform/efi/early_printk.c2
-rw-r--r--arch/x86/xen/enlighten.c78
-rw-r--r--arch/x86/xen/mmu_pv.c17
-rw-r--r--arch/x86/xen/multicalls.c35
-rw-r--r--arch/x86/xen/p2m.c3
-rw-r--r--arch/x86/xen/setup.c6
-rw-r--r--arch/x86/xen/spinlock.c21
-rw-r--r--arch/xtensa/include/asm/processor.h6
-rw-r--r--arch/xtensa/kernel/asm-offsets.c16
-rw-r--r--arch/xtensa/kernel/head.S7
-rw-r--r--arch/xtensa/kernel/process.c5
-rw-r--r--arch/xtensa/kernel/ptrace.c42
-rw-r--r--block/bfq-iosched.c76
-rw-r--r--block/bfq-iosched.h51
-rw-r--r--block/bfq-wf2q.c5
-rw-r--r--block/bio.c3
-rw-r--r--block/blk-core.c5
-rw-r--r--block/blk-lib.c26
-rw-r--r--block/blk-merge.c7
-rw-r--r--block/blk-mq.c7
-rw-r--r--block/blk-zoned.c2
-rw-r--r--block/blk.h12
-rw-r--r--block/bounce.c1
-rw-r--r--crypto/Kconfig2
-rw-r--r--crypto/cbc.c6
-rw-r--r--crypto/cfb.c6
-rw-r--r--crypto/crypto_user_base.c18
-rw-r--r--crypto/crypto_user_stat.c21
-rw-r--r--crypto/pcbc.c6
-rw-r--r--crypto/simd.c5
-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/acpi_platform.c1
-rw-r--r--drivers/acpi/acpica/exserial.c21
-rw-r--r--drivers/acpi/arm64/iort.c2
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-rw-r--r--net/mac80211/rx.c5
-rw-r--r--net/mac80211/status.c7
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-rw-r--r--net/netfilter/ipset/ip_set_core.c43
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-rw-r--r--net/netfilter/nf_conncount.c46
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-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c15
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-rw-r--r--net/netfilter/nf_tables_api.c67
-rw-r--r--net/netfilter/nf_tables_core.c2
-rw-r--r--net/netfilter/nfnetlink_cttimeout.c58
-rw-r--r--net/netfilter/nft_compat.c24
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-rw-r--r--net/netfilter/nft_numgen.c127
-rw-r--r--net/netfilter/nft_osf.c2
-rw-r--r--net/netfilter/xt_IDLETIMER.c20
-rw-r--r--net/netfilter/xt_RATEEST.c10
-rw-r--r--net/netfilter/xt_hashlimit.c9
-rw-r--r--net/netlink/af_netlink.c4
-rw-r--r--net/openvswitch/conntrack.c5
-rw-r--r--net/packet/af_packet.c14
-rw-r--r--net/rds/message.c24
-rw-r--r--net/rds/rdma.c75
-rw-r--r--net/rds/rds.h23
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-rw-r--r--net/rxrpc/af_rxrpc.c27
-rw-r--r--net/rxrpc/ar-internal.h1
-rw-r--r--net/rxrpc/call_event.c18
-rw-r--r--net/rxrpc/output.c35
-rw-r--r--net/sched/act_mirred.c3
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-rw-r--r--net/sched/act_police.c60
-rw-r--r--net/sched/cls_flower.c44
-rw-r--r--net/sched/sch_fq.c31
-rw-r--r--net/sched/sch_netem.c12
-rw-r--r--net/sctp/associola.c9
-rw-r--r--net/sctp/chunk.c6
-rw-r--r--net/sctp/ipv6.c1
-rw-r--r--net/sctp/output.c25
-rw-r--r--net/sctp/outqueue.c2
-rw-r--r--net/sctp/sm_make_chunk.c3
-rw-r--r--net/sctp/socket.c29
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-rw-r--r--net/smc/af_smc.c25
-rw-r--r--net/smc/smc.h4
-rw-r--r--net/smc/smc_cdc.c26
-rw-r--r--net/smc/smc_cdc.h60
-rw-r--r--net/smc/smc_core.c20
-rw-r--r--net/smc/smc_core.h5
-rw-r--r--net/smc/smc_ism.c43
-rw-r--r--net/smc/smc_ism.h1
-rw-r--r--net/smc/smc_wr.c4
-rw-r--r--net/socket.c2
-rw-r--r--net/sunrpc/auth_generic.c8
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c65
-rw-r--r--net/sunrpc/clnt.c9
-rw-r--r--net/sunrpc/xdr.c7
-rw-r--r--net/sunrpc/xprt.c48
-rw-r--r--net/sunrpc/xprtsock.c91
-rw-r--r--net/tipc/discover.c19
-rw-r--r--net/tipc/link.c11
-rw-r--r--net/tipc/net.c45
-rw-r--r--net/tipc/net.h2
-rw-r--r--net/tipc/node.c7
-rw-r--r--net/tipc/socket.c55
-rw-r--r--net/tipc/udp_media.c9
-rw-r--r--net/tls/tls_main.c44
-rw-r--r--net/tls/tls_sw.c10
-rw-r--r--net/vmw_vsock/af_vsock.c7
-rw-r--r--net/vmw_vsock/vmci_transport.c67
-rw-r--r--net/wireless/mlme.c4
-rw-r--r--net/wireless/nl80211.c5
-rw-r--r--net/wireless/sme.c8
-rw-r--r--net/wireless/util.c2
-rw-r--r--net/x25/af_x25.c18
-rw-r--r--net/x25/x25_in.c9
-rw-r--r--net/xfrm/xfrm_input.c7
-rw-r--r--net/xfrm/xfrm_output.c1
-rw-r--r--net/xfrm/xfrm_state.c10
-rw-r--r--net/xfrm/xfrm_user.c4
-rw-r--r--scripts/Kbuild.include4
-rw-r--r--scripts/Makefile.build2
-rwxr-xr-xscripts/checkstack.pl4
-rwxr-xr-xscripts/faddr2line2
-rw-r--r--scripts/gcc-plugins/stackleak_plugin.c8
-rwxr-xr-xscripts/kconfig/merge_config.sh7
-rw-r--r--scripts/mod/Makefile2
-rwxr-xr-xscripts/package/builddeb6
-rwxr-xr-xscripts/package/mkdebian7
-rwxr-xr-xscripts/package/mkspec11
-rwxr-xr-xscripts/setlocalversion2
-rwxr-xr-xscripts/spdxcheck.py5
-rw-r--r--scripts/unifdef.c4
-rw-r--r--security/integrity/digsig_asymmetric.c1
-rw-r--r--security/integrity/ima/ima_policy.c10
-rw-r--r--security/keys/keyctl_pkey.c2
-rw-r--r--security/keys/trusted.c2
-rw-r--r--security/selinux/hooks.c3
-rw-r--r--security/selinux/nlmsgtab.c13
-rw-r--r--security/selinux/ss/mls.c10
-rw-r--r--sound/core/control.c80
-rw-r--r--sound/core/oss/pcm_oss.c6
-rw-r--r--sound/core/oss/pcm_plugin.c6
-rw-r--r--sound/core/pcm_native.c14
-rw-r--r--sound/firewire/fireface/ff-protocol-ff400.c2
-rw-r--r--sound/isa/wss/wss_lib.c2
-rw-r--r--sound/pci/ac97/ac97_codec.c2
-rw-r--r--sound/pci/hda/hda_intel.c6
-rw-r--r--sound/pci/hda/patch_ca0132.c5
-rw-r--r--sound/pci/hda/patch_realtek.c141
-rw-r--r--sound/pci/hda/thinkpad_helper.c4
-rw-r--r--sound/soc/codecs/hdac_hdmi.c11
-rw-r--r--sound/soc/codecs/pcm186x.h2
-rw-r--r--sound/soc/codecs/pcm3060.c12
-rw-r--r--sound/soc/codecs/wm_adsp.c37
-rw-r--r--sound/soc/intel/Kconfig26
-rw-r--r--sound/soc/intel/boards/Kconfig24
-rw-r--r--sound/soc/intel/boards/cht_bsw_max98090_ti.c32
-rw-r--r--sound/soc/intel/skylake/skl.c32
-rw-r--r--sound/soc/omap/omap-abe-twl6040.c67
-rw-r--r--sound/soc/omap/omap-dmic.c9
-rw-r--r--sound/soc/omap/omap-mcbsp.c6
-rw-r--r--sound/soc/omap/omap-mcpdm.c43
-rw-r--r--sound/soc/qcom/common.c9
-rw-r--r--sound/soc/qcom/qdsp6/q6afe-dai.c208
-rw-r--r--sound/soc/qcom/qdsp6/q6afe.c16
-rw-r--r--sound/soc/qcom/qdsp6/q6asm-dai.c33
-rw-r--r--sound/soc/qcom/qdsp6/q6routing.c19
-rw-r--r--sound/soc/rockchip/rockchip_pcm.c1
-rw-r--r--sound/soc/sh/rcar/ssi.c2
-rw-r--r--sound/soc/soc-acpi.c10
-rw-r--r--sound/soc/soc-core.c1
-rw-r--r--sound/soc/stm/stm32_sai_sub.c2
-rw-r--r--sound/soc/sunxi/Kconfig2
-rw-r--r--sound/soc/sunxi/sun8i-codec.c12
-rw-r--r--sound/sparc/cs4231.c8
-rw-r--r--sound/usb/card.c5
-rw-r--r--sound/usb/quirks-table.h10
-rw-r--r--sound/usb/quirks.c1
-rw-r--r--tools/arch/arm64/include/asm/barrier.h133
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h2
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-cgroup.rst8
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-map.rst8
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-net.rst8
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-perf.rst8
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst11
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool.rst9
-rw-r--r--tools/bpf/bpftool/btf_dumper.c6
-rw-r--r--tools/bpf/bpftool/common.c17
-rw-r--r--tools/bpf/bpftool/main.h2
-rw-r--r--tools/bpf/bpftool/prog.c13
-rw-r--r--tools/build/Makefile.feature1
-rw-r--r--tools/build/feature/Makefile4
-rw-r--r--tools/build/feature/test-all.c5
-rw-r--r--tools/build/feature/test-get_current_dir_name.c10
-rw-r--r--tools/include/uapi/asm-generic/ioctls.h2
-rw-r--r--tools/include/uapi/drm/i915_drm.h22
-rw-r--r--tools/include/uapi/linux/bpf.h56
-rw-r--r--tools/include/uapi/linux/netlink.h2
-rw-r--r--tools/include/uapi/linux/pkt_cls.h612
-rw-r--r--tools/include/uapi/linux/prctl.h1
-rw-r--r--tools/include/uapi/linux/tc_act/tc_bpf.h37
-rw-r--r--tools/objtool/elf.c19
-rw-r--r--tools/perf/Documentation/perf-list.txt1
-rw-r--r--tools/perf/Makefile.config5
-rw-r--r--tools/perf/Makefile.perf2
-rw-r--r--tools/perf/builtin-record.c7
-rw-r--r--tools/perf/builtin-stat.c28
-rw-r--r--tools/perf/builtin-top.c3
-rw-r--r--tools/perf/builtin-trace.c34
-rw-r--r--tools/perf/examples/bpf/augmented_raw_syscalls.c131
-rw-r--r--tools/perf/jvmti/jvmti_agent.c49
-rwxr-xr-xtools/perf/scripts/python/exported-sql-viewer.py493
-rw-r--r--tools/perf/tests/attr/base-record2
-rw-r--r--tools/perf/tests/attr/test-record-group-sampling1
-rw-r--r--tools/perf/trace/beauty/ioctl.c1
-rw-r--r--tools/perf/util/Build1
-rw-r--r--tools/perf/util/evlist.c27
-rw-r--r--tools/perf/util/evlist.h3
-rw-r--r--tools/perf/util/evsel.c3
-rw-r--r--tools/perf/util/get_current_dir_name.c18
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c4
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-log.c5
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-log.h1
-rw-r--r--tools/perf/util/intel-pt.c16
-rw-r--r--tools/perf/util/namespaces.c17
-rw-r--r--tools/perf/util/namespaces.h1
-rw-r--r--tools/perf/util/pmu.c2
-rw-r--r--tools/perf/util/util.h4
-rw-r--r--tools/power/cpupower/Makefile12
-rw-r--r--tools/power/cpupower/bench/Makefile2
-rw-r--r--tools/power/cpupower/debug/x86_64/Makefile4
-rw-r--r--tools/power/cpupower/lib/cpufreq.c2
-rw-r--r--tools/power/cpupower/lib/cpuidle.c2
-rw-r--r--tools/power/cpupower/lib/cpupower.c4
-rw-r--r--tools/power/cpupower/lib/cpupower_intern.h2
-rw-r--r--tools/testing/nvdimm/test/nfit.c43
-rw-r--r--tools/testing/radix-tree/Makefile1
-rw-r--r--tools/testing/radix-tree/main.c1
-rw-r--r--tools/testing/radix-tree/regression.h1
-rw-r--r--tools/testing/radix-tree/regression4.c79
-rw-r--r--tools/testing/selftests/Makefile1
-rw-r--r--tools/testing/selftests/bpf/bpf_flow.c36
-rw-r--r--tools/testing/selftests/bpf/bpf_helpers.h4
-rw-r--r--tools/testing/selftests/bpf/test_btf.c375
-rw-r--r--tools/testing/selftests/bpf/test_netcnt.c5
-rw-r--r--tools/testing/selftests/bpf/test_sk_lookup_kern.c18
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c63
-rw-r--r--tools/testing/selftests/net/Makefile1
-rwxr-xr-xtools/testing/selftests/net/test_vxlan_fdb_changelink.sh29
-rw-r--r--tools/testing/selftests/netfilter/Makefile6
-rw-r--r--tools/testing/selftests/netfilter/config2
-rwxr-xr-xtools/testing/selftests/netfilter/nft_trans_stress.sh78
-rw-r--r--tools/testing/selftests/powerpc/mm/wild_bctr.c21
-rw-r--r--tools/testing/selftests/proc/proc-self-map-files-002.c9
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c9
-rwxr-xr-xtools/testing/selftests/tc-testing/tdc.py18
-rw-r--r--tools/virtio/linux/kernel.h4
-rw-r--r--virt/kvm/coalesced_mmio.c6
1564 files changed, 19908 insertions, 10104 deletions
diff --git a/.mailmap b/.mailmap
index a76be45fef6c..28fecafa6506 100644
--- a/.mailmap
+++ b/.mailmap
@@ -159,6 +159,7 @@ Peter Oruba <peter@oruba.de>
Peter Oruba <peter.oruba@amd.com>
Pratyush Anand <pratyush.anand@gmail.com> <pratyush.anand@st.com>
Praveen BP <praveenbp@ti.com>
+Punit Agrawal <punitagrawal@gmail.com> <punit.agrawal@arm.com>
Qais Yousef <qsyousef@gmail.com> <qais.yousef@imgtec.com>
Oleksij Rempel <linux@rempel-privat.de> <bug-track@fisher-privat.net>
Oleksij Rempel <linux@rempel-privat.de> <external.Oleksij.Rempel@de.bosch.com>
diff --git a/CREDITS b/CREDITS
index 5befd2d714d0..7d397ee67524 100644
--- a/CREDITS
+++ b/CREDITS
@@ -2138,6 +2138,10 @@ E: paul@laufernet.com
D: Soundblaster driver fixes, ISAPnP quirk
S: California, USA
+N: Jarkko Lavinen
+E: jarkko.lavinen@nokia.com
+D: OMAP MMC support
+
N: Jonathan Layes
D: ARPD support
@@ -2200,6 +2204,10 @@ S: Post Office Box 371
S: North Little Rock, Arkansas 72115
S: USA
+N: Christopher Li
+E: sparse@chrisli.org
+D: Sparse maintainer 2009 - 2018
+
N: Stephan Linz
E: linz@mazet.de
E: Stephan.Linz@gmx.de
@@ -2533,6 +2541,10 @@ S: Ormond
S: Victoria 3163
S: Australia
+N: Eric Miao
+E: eric.y.miao@gmail.com
+D: MMP support
+
N: Pauline Middelink
E: middelin@polyware.nl
D: General low-level bug fixes, /proc fixes, identd support
@@ -4107,6 +4119,10 @@ S: 1507 145th Place SE #B5
S: Bellevue, Washington 98007
S: USA
+N: Haojian Zhuang
+E: haojian.zhuang@gmail.com
+D: MMP support
+
N: Richard Zidlicky
E: rz@linux-m68k.org, rdzidlic@geocities.com
W: http://www.geocities.com/rdzidlic
diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
index fb3d1e03b881..1e5d172e0646 100644
--- a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
+++ b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
@@ -37,8 +37,8 @@ Description:
0-| / \/ \/
+---0----1----2----3----4----5----6------------> time (s)
- 2. To make the LED go instantly from one brigntess value to another,
- we should use use zero-time lengths (the brightness must be same as
+ 2. To make the LED go instantly from one brightness value to another,
+ we should use zero-time lengths (the brightness must be same as
the previous tuple's). So the format should be:
"brightness_1 duration_1 brightness_1 0 brightness_2 duration_2
brightness_2 0 ...". For example:
diff --git a/Documentation/ABI/testing/sysfs-class-net-dsa b/Documentation/ABI/testing/sysfs-class-net-dsa
index f240221e071e..985d84c585c6 100644
--- a/Documentation/ABI/testing/sysfs-class-net-dsa
+++ b/Documentation/ABI/testing/sysfs-class-net-dsa
@@ -1,4 +1,4 @@
-What: /sys/class/net/<iface>/tagging
+What: /sys/class/net/<iface>/dsa/tagging
Date: August 2018
KernelVersion: 4.20
Contact: netdev@vger.kernel.org
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 81d1d5a74728..aefd358a5ca3 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -856,7 +856,8 @@
causing system reset or hang due to sending
INIT from AP to BSP.
- disable_counter_freezing [HW]
+ perf_v4_pmi= [X86,INTEL]
+ Format: <bool>
Disable Intel PMU counter freezing feature.
The feature only exists starting from
Arch Perfmon v4 (Skylake and newer).
@@ -3504,6 +3505,10 @@
before loading.
See Documentation/blockdev/ramdisk.txt.
+ psi= [KNL] Enable or disable pressure stall information
+ tracking.
+ Format: <bool>
+
psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to
probe for; one of (bare|imps|exps|lifebook|any).
psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports
@@ -4194,9 +4199,13 @@
spectre_v2= [X86] Control mitigation of Spectre variant 2
(indirect branch speculation) vulnerability.
+ The default operation protects the kernel from
+ user space attacks.
- on - unconditionally enable
- off - unconditionally disable
+ on - unconditionally enable, implies
+ spectre_v2_user=on
+ off - unconditionally disable, implies
+ spectre_v2_user=off
auto - kernel detects whether your CPU model is
vulnerable
@@ -4206,6 +4215,12 @@
CONFIG_RETPOLINE configuration option, and the
compiler with which the kernel was built.
+ Selecting 'on' will also enable the mitigation
+ against user space to user space task attacks.
+
+ Selecting 'off' will disable both the kernel and
+ the user space protections.
+
Specific mitigations can also be selected manually:
retpoline - replace indirect branches
@@ -4215,6 +4230,48 @@
Not specifying this option is equivalent to
spectre_v2=auto.
+ spectre_v2_user=
+ [X86] Control mitigation of Spectre variant 2
+ (indirect branch speculation) vulnerability between
+ user space tasks
+
+ on - Unconditionally enable mitigations. Is
+ enforced by spectre_v2=on
+
+ off - Unconditionally disable mitigations. Is
+ enforced by spectre_v2=off
+
+ prctl - Indirect branch speculation is enabled,
+ but mitigation can be enabled via prctl
+ per thread. The mitigation control state
+ is inherited on fork.
+
+ prctl,ibpb
+ - Like "prctl" above, but only STIBP is
+ controlled per thread. IBPB is issued
+ always when switching between different user
+ space processes.
+
+ seccomp
+ - Same as "prctl" above, but all seccomp
+ threads will enable the mitigation unless
+ they explicitly opt out.
+
+ seccomp,ibpb
+ - Like "seccomp" above, but only STIBP is
+ controlled per thread. IBPB is issued
+ always when switching between different
+ user space processes.
+
+ auto - Kernel selects the mitigation depending on
+ the available CPU features and vulnerability.
+
+ Default mitigation:
+ If CONFIG_SECCOMP=y then "seccomp", otherwise "prctl"
+
+ Not specifying this option is equivalent to
+ spectre_v2_user=auto.
+
spec_store_bypass_disable=
[HW] Control Speculative Store Bypass (SSB) Disable mitigation
(Speculative Store Bypass vulnerability)
@@ -4713,6 +4770,8 @@
prevent spurious wakeup);
n = USB_QUIRK_DELAY_CTRL_MSG (Device needs a
pause after every control message);
+ o = USB_QUIRK_HUB_SLOW_RESET (Hub needs extra
+ delay after resetting its port);
Example: quirks=0781:5580:bk,0a5c:5834:gij
usbhid.mousepoll=
diff --git a/Documentation/admin-guide/pm/cpufreq.rst b/Documentation/admin-guide/pm/cpufreq.rst
index 47153e64dfb5..7eca9026a9ed 100644
--- a/Documentation/admin-guide/pm/cpufreq.rst
+++ b/Documentation/admin-guide/pm/cpufreq.rst
@@ -150,7 +150,7 @@ data structures necessary to handle the given policy and, possibly, to add
a governor ``sysfs`` interface to it. Next, the governor is started by
invoking its ``->start()`` callback.
-That callback it expected to register per-CPU utilization update callbacks for
+That callback is expected to register per-CPU utilization update callbacks for
all of the online CPUs belonging to the given policy with the CPU scheduler.
The utilization update callbacks will be invoked by the CPU scheduler on
important events, like task enqueue and dequeue, on every iteration of the
diff --git a/Documentation/admin-guide/security-bugs.rst b/Documentation/admin-guide/security-bugs.rst
index 164bf71149fd..30187d49dc2c 100644
--- a/Documentation/admin-guide/security-bugs.rst
+++ b/Documentation/admin-guide/security-bugs.rst
@@ -32,16 +32,17 @@ Disclosure and embargoed information
The security list is not a disclosure channel. For that, see Coordination
below.
-Once a robust fix has been developed, our preference is to release the
-fix in a timely fashion, treating it no differently than any of the other
-thousands of changes and fixes the Linux kernel project releases every
-month.
-
-However, at the request of the reporter, we will postpone releasing the
-fix for up to 5 business days after the date of the report or after the
-embargo has lifted; whichever comes first. The only exception to that
-rule is if the bug is publicly known, in which case the preference is to
-release the fix as soon as it's available.
+Once a robust fix has been developed, the release process starts. Fixes
+for publicly known bugs are released immediately.
+
+Although our preference is to release fixes for publicly undisclosed bugs
+as soon as they become available, this may be postponed at the request of
+the reporter or an affected party for up to 7 calendar days from the start
+of the release process, with an exceptional extension to 14 calendar days
+if it is agreed that the criticality of the bug requires more time. The
+only valid reason for deferring the publication of a fix is to accommodate
+the logistics of QA and large scale rollouts which require release
+coordination.
Whilst embargoed information may be shared with trusted individuals in
order to develop a fix, such information will not be published alongside
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
index 76ccded8b74c..8f9577621144 100644
--- a/Documentation/arm64/silicon-errata.txt
+++ b/Documentation/arm64/silicon-errata.txt
@@ -57,6 +57,7 @@ stable kernels.
| ARM | Cortex-A73 | #858921 | ARM64_ERRATUM_858921 |
| ARM | Cortex-A55 | #1024718 | ARM64_ERRATUM_1024718 |
| ARM | Cortex-A76 | #1188873 | ARM64_ERRATUM_1188873 |
+| ARM | Cortex-A76 | #1286807 | ARM64_ERRATUM_1286807 |
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst
index a4e705108f42..6a6d67acaf69 100644
--- a/Documentation/core-api/xarray.rst
+++ b/Documentation/core-api/xarray.rst
@@ -74,7 +74,8 @@ using :c:func:`xa_load`. xa_store will overwrite any entry with the
new entry and return the previous entry stored at that index. You can
use :c:func:`xa_erase` instead of calling :c:func:`xa_store` with a
``NULL`` entry. There is no difference between an entry that has never
-been stored to and one that has most recently had ``NULL`` stored to it.
+been stored to, one that has been erased and one that has most recently
+had ``NULL`` stored to it.
You can conditionally replace an entry at an index by using
:c:func:`xa_cmpxchg`. Like :c:func:`cmpxchg`, it will only succeed if
@@ -105,23 +106,44 @@ may result in the entry being marked at some, but not all of the other
indices. Storing into one index may result in the entry retrieved by
some, but not all of the other indices changing.
+Sometimes you need to ensure that a subsequent call to :c:func:`xa_store`
+will not need to allocate memory. The :c:func:`xa_reserve` function
+will store a reserved entry at the indicated index. Users of the normal
+API will see this entry as containing ``NULL``. If you do not need to
+use the reserved entry, you can call :c:func:`xa_release` to remove the
+unused entry. If another user has stored to the entry in the meantime,
+:c:func:`xa_release` will do nothing; if instead you want the entry to
+become ``NULL``, you should use :c:func:`xa_erase`.
+
+If all entries in the array are ``NULL``, the :c:func:`xa_empty` function
+will return ``true``.
+
Finally, you can remove all entries from an XArray by calling
:c:func:`xa_destroy`. If the XArray entries are pointers, you may wish
to free the entries first. You can do this by iterating over all present
entries in the XArray using the :c:func:`xa_for_each` iterator.
-ID assignment
--------------
+Allocating XArrays
+------------------
+
+If you use :c:func:`DEFINE_XARRAY_ALLOC` to define the XArray, or
+initialise it by passing ``XA_FLAGS_ALLOC`` to :c:func:`xa_init_flags`,
+the XArray changes to track whether entries are in use or not.
You can call :c:func:`xa_alloc` to store the entry at any unused index
in the XArray. If you need to modify the array from interrupt context,
you can use :c:func:`xa_alloc_bh` or :c:func:`xa_alloc_irq` to disable
-interrupts while allocating the ID. Unlike :c:func:`xa_store`, allocating
-a ``NULL`` pointer does not delete an entry. Instead it reserves an
-entry like :c:func:`xa_reserve` and you can release it using either
-:c:func:`xa_erase` or :c:func:`xa_release`. To use ID assignment, the
-XArray must be defined with :c:func:`DEFINE_XARRAY_ALLOC`, or initialised
-by passing ``XA_FLAGS_ALLOC`` to :c:func:`xa_init_flags`,
+interrupts while allocating the ID.
+
+Using :c:func:`xa_store`, :c:func:`xa_cmpxchg` or :c:func:`xa_insert`
+will mark the entry as being allocated. Unlike a normal XArray, storing
+``NULL`` will mark the entry as being in use, like :c:func:`xa_reserve`.
+To free an entry, use :c:func:`xa_erase` (or :c:func:`xa_release` if
+you only want to free the entry if it's ``NULL``).
+
+You cannot use ``XA_MARK_0`` with an allocating XArray as this mark
+is used to track whether an entry is free or not. The other marks are
+available for your use.
Memory allocation
-----------------
@@ -158,15 +180,22 @@ Takes RCU read lock:
Takes xa_lock internally:
* :c:func:`xa_store`
+ * :c:func:`xa_store_bh`
+ * :c:func:`xa_store_irq`
* :c:func:`xa_insert`
* :c:func:`xa_erase`
* :c:func:`xa_erase_bh`
* :c:func:`xa_erase_irq`
* :c:func:`xa_cmpxchg`
+ * :c:func:`xa_cmpxchg_bh`
+ * :c:func:`xa_cmpxchg_irq`
* :c:func:`xa_store_range`
* :c:func:`xa_alloc`
* :c:func:`xa_alloc_bh`
* :c:func:`xa_alloc_irq`
+ * :c:func:`xa_reserve`
+ * :c:func:`xa_reserve_bh`
+ * :c:func:`xa_reserve_irq`
* :c:func:`xa_destroy`
* :c:func:`xa_set_mark`
* :c:func:`xa_clear_mark`
@@ -177,6 +206,7 @@ Assumes xa_lock held on entry:
* :c:func:`__xa_erase`
* :c:func:`__xa_cmpxchg`
* :c:func:`__xa_alloc`
+ * :c:func:`__xa_reserve`
* :c:func:`__xa_set_mark`
* :c:func:`__xa_clear_mark`
@@ -234,7 +264,9 @@ Sharing the XArray with interrupt context is also possible, either
using :c:func:`xa_lock_irqsave` in both the interrupt handler and process
context, or :c:func:`xa_lock_irq` in process context and :c:func:`xa_lock`
in the interrupt handler. Some of the more common patterns have helper
-functions such as :c:func:`xa_erase_bh` and :c:func:`xa_erase_irq`.
+functions such as :c:func:`xa_store_bh`, :c:func:`xa_store_irq`,
+:c:func:`xa_erase_bh`, :c:func:`xa_erase_irq`, :c:func:`xa_cmpxchg_bh`
+and :c:func:`xa_cmpxchg_irq`.
Sometimes you need to protect access to the XArray with a mutex because
that lock sits above another mutex in the locking hierarchy. That does
@@ -322,7 +354,8 @@ to :c:func:`xas_retry`, and retry the operation if it returns ``true``.
- :c:func:`xa_is_zero`
- Zero entries appear as ``NULL`` through the Normal API, but occupy
an entry in the XArray which can be used to reserve the index for
- future use.
+ future use. This is used by allocating XArrays for allocated entries
+ which are ``NULL``.
Other internal entries may be added in the future. As far as possible, they
will be handled by :c:func:`xas_retry`.
diff --git a/Documentation/cpu-freq/cpufreq-stats.txt b/Documentation/cpu-freq/cpufreq-stats.txt
index a873855c811d..14378cecb172 100644
--- a/Documentation/cpu-freq/cpufreq-stats.txt
+++ b/Documentation/cpu-freq/cpufreq-stats.txt
@@ -86,9 +86,11 @@ transitions.
This will give a fine grained information about all the CPU frequency
transitions. The cat output here is a two dimensional matrix, where an entry
<i,j> (row i, column j) represents the count of number of transitions from
-Freq_i to Freq_j. Freq_i is in descending order with increasing rows and
-Freq_j is in descending order with increasing columns. The output here also
-contains the actual freq values for each row and column for better readability.
+Freq_i to Freq_j. Freq_i rows and Freq_j columns follow the sorting order in
+which the driver has provided the frequency table initially to the cpufreq core
+and so can be sorted (ascending or descending) or unsorted. The output here
+also contains the actual freq values for each row and column for better
+readability.
If the transition table is bigger than PAGE_SIZE, reading this will
return an -EFBIG error.
diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index f5e0f82fd503..58c4256d37a3 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -27,7 +27,7 @@ SoCs:
compatible = "renesas,r8a77470"
- RZ/G2M (R8A774A1)
compatible = "renesas,r8a774a1"
- - RZ/G2E (RA8774C0)
+ - RZ/G2E (R8A774C0)
compatible = "renesas,r8a774c0"
- R-Car M1A (R8A77781)
compatible = "renesas,r8a7778"
diff --git a/Documentation/devicetree/bindings/clock/clock-bindings.txt b/Documentation/devicetree/bindings/clock/clock-bindings.txt
index 2ec489eebe72..b646bbcf7f92 100644
--- a/Documentation/devicetree/bindings/clock/clock-bindings.txt
+++ b/Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -168,3 +168,19 @@ a shared clock is forbidden.
Configuration of common clocks, which affect multiple consumer devices can
be similarly specified in the clock provider node.
+
+==Protected clocks==
+
+Some platforms or firmwares may not fully expose all the clocks to the OS, such
+as in situations where those clks are used by drivers running in ARM secure
+execution levels. Such a configuration can be specified in device tree with the
+protected-clocks property in the form of a clock specifier list. This property should
+only be specified in the node that is providing the clocks being protected:
+
+ clock-controller@a000f000 {
+ compatible = "vendor,clk95;
+ reg = <0xa000f000 0x1000>
+ #clocks-cells = <1>;
+ ...
+ protected-clocks = <UART3_CLK>, <SPI5_CLK>;
+ };
diff --git a/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt b/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt
deleted file mode 100644
index 2aa06ac0fac5..000000000000
--- a/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt
+++ /dev/null
@@ -1,65 +0,0 @@
-Generic ARM big LITTLE cpufreq driver's DT glue
------------------------------------------------
-
-This is DT specific glue layer for generic cpufreq driver for big LITTLE
-systems.
-
-Both required and optional properties listed below must be defined
-under node /cpus/cpu@x. Where x is the first cpu inside a cluster.
-
-FIXME: Cpus should boot in the order specified in DT and all cpus for a cluster
-must be present contiguously. Generic DT driver will check only node 'x' for
-cpu:x.
-
-Required properties:
-- operating-points: Refer to Documentation/devicetree/bindings/opp/opp.txt
- for details
-
-Optional properties:
-- clock-latency: Specify the possible maximum transition latency for clock,
- in unit of nanoseconds.
-
-Examples:
-
-cpus {
- #address-cells = <1>;
- #size-cells = <0>;
-
- cpu@0 {
- compatible = "arm,cortex-a15";
- reg = <0>;
- next-level-cache = <&L2>;
- operating-points = <
- /* kHz uV */
- 792000 1100000
- 396000 950000
- 198000 850000
- >;
- clock-latency = <61036>; /* two CLK32 periods */
- };
-
- cpu@1 {
- compatible = "arm,cortex-a15";
- reg = <1>;
- next-level-cache = <&L2>;
- };
-
- cpu@100 {
- compatible = "arm,cortex-a7";
- reg = <100>;
- next-level-cache = <&L2>;
- operating-points = <
- /* kHz uV */
- 792000 950000
- 396000 750000
- 198000 450000
- >;
- clock-latency = <61036>; /* two CLK32 periods */
- };
-
- cpu@101 {
- compatible = "arm,cortex-a7";
- reg = <101>;
- next-level-cache = <&L2>;
- };
-};
diff --git a/Documentation/devicetree/bindings/i2c/i2c-omap.txt b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
index 7e49839d4124..4b90ba9f31b7 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-omap.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
@@ -1,8 +1,12 @@
I2C for OMAP platforms
Required properties :
-- compatible : Must be "ti,omap2420-i2c", "ti,omap2430-i2c", "ti,omap3-i2c"
- or "ti,omap4-i2c"
+- compatible : Must be
+ "ti,omap2420-i2c" for OMAP2420 SoCs
+ "ti,omap2430-i2c" for OMAP2430 SoCs
+ "ti,omap3-i2c" for OMAP3 SoCs
+ "ti,omap4-i2c" for OMAP4+ SoCs
+ "ti,am654-i2c", "ti,omap4-i2c" for AM654 SoCs
- ti,hwmods : Must be "i2c<n>", n being the instance number (1-based)
- #address-cells = <1>;
- #size-cells = <0>;
diff --git a/Documentation/devicetree/bindings/input/input-reset.txt b/Documentation/devicetree/bindings/input/input-reset.txt
index 2bb2626fdb78..1ca6cc5ebf8e 100644
--- a/Documentation/devicetree/bindings/input/input-reset.txt
+++ b/Documentation/devicetree/bindings/input/input-reset.txt
@@ -12,7 +12,7 @@ The /chosen node should contain a 'linux,sysrq-reset-seq' child node to define
a set of keys.
Required property:
-sysrq-reset-seq: array of Linux keycodes, one keycode per cell.
+keyset: array of Linux keycodes, one keycode per cell.
Optional property:
timeout-ms: duration keys must be pressed together in milliseconds before
diff --git a/Documentation/devicetree/bindings/media/rockchip-vpu.txt b/Documentation/devicetree/bindings/media/rockchip-vpu.txt
deleted file mode 100644
index 35dc464ad7c8..000000000000
--- a/Documentation/devicetree/bindings/media/rockchip-vpu.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-device-tree bindings for rockchip VPU codec
-
-Rockchip (Video Processing Unit) present in various Rockchip platforms,
-such as RK3288 and RK3399.
-
-Required properties:
-- compatible: value should be one of the following
- "rockchip,rk3288-vpu";
- "rockchip,rk3399-vpu";
-- interrupts: encoding and decoding interrupt specifiers
-- interrupt-names: should be "vepu" and "vdpu"
-- clocks: phandle to VPU aclk, hclk clocks
-- clock-names: should be "aclk" and "hclk"
-- power-domains: phandle to power domain node
-- iommus: phandle to a iommu node
-
-Example:
-SoC-specific DT entry:
- vpu: video-codec@ff9a0000 {
- compatible = "rockchip,rk3288-vpu";
- reg = <0x0 0xff9a0000 0x0 0x800>;
- interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "vepu", "vdpu";
- clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
- clock-names = "aclk", "hclk";
- power-domains = <&power RK3288_PD_VIDEO>;
- iommus = <&vpu_mmu>;
- };
diff --git a/Documentation/devicetree/bindings/net/can/holt_hi311x.txt b/Documentation/devicetree/bindings/net/can/holt_hi311x.txt
index 903a78da65be..3a9926f99937 100644
--- a/Documentation/devicetree/bindings/net/can/holt_hi311x.txt
+++ b/Documentation/devicetree/bindings/net/can/holt_hi311x.txt
@@ -17,7 +17,7 @@ Example:
reg = <1>;
clocks = <&clk32m>;
interrupt-parent = <&gpio4>;
- interrupts = <13 IRQ_TYPE_EDGE_RISING>;
+ interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
vdd-supply = <&reg5v0>;
xceiver-supply = <&reg5v0>;
};
diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt
index cc4372842bf3..9936b9ee67c3 100644
--- a/Documentation/devicetree/bindings/net/can/rcar_can.txt
+++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt
@@ -5,6 +5,7 @@ Required properties:
- compatible: "renesas,can-r8a7743" if CAN controller is a part of R8A7743 SoC.
"renesas,can-r8a7744" if CAN controller is a part of R8A7744 SoC.
"renesas,can-r8a7745" if CAN controller is a part of R8A7745 SoC.
+ "renesas,can-r8a774a1" if CAN controller is a part of R8A774A1 SoC.
"renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC.
"renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC.
"renesas,can-r8a7790" if CAN controller is a part of R8A7790 SoC.
@@ -14,26 +15,32 @@ Required properties:
"renesas,can-r8a7794" if CAN controller is a part of R8A7794 SoC.
"renesas,can-r8a7795" if CAN controller is a part of R8A7795 SoC.
"renesas,can-r8a7796" if CAN controller is a part of R8A7796 SoC.
+ "renesas,can-r8a77965" if CAN controller is a part of R8A77965 SoC.
"renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device.
"renesas,rcar-gen2-can" for a generic R-Car Gen2 or RZ/G1
compatible device.
- "renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device.
+ "renesas,rcar-gen3-can" for a generic R-Car Gen3 or RZ/G2
+ compatible device.
When compatible with the generic version, nodes must list the
SoC-specific version corresponding to the platform first
followed by the generic version.
- reg: physical base address and size of the R-Car CAN register map.
- interrupts: interrupt specifier for the sole interrupt.
-- clocks: phandles and clock specifiers for 3 CAN clock inputs.
-- clock-names: 3 clock input name strings: "clkp1", "clkp2", "can_clk".
+- clocks: phandles and clock specifiers for 2 CAN clock inputs for RZ/G2
+ devices.
+ phandles and clock specifiers for 3 CAN clock inputs for every other
+ SoC.
+- clock-names: 2 clock input name strings for RZ/G2: "clkp1", "can_clk".
+ 3 clock input name strings for every other SoC: "clkp1", "clkp2",
+ "can_clk".
- pinctrl-0: pin control group to be used for this controller.
- pinctrl-names: must be "default".
-Required properties for "renesas,can-r8a7795" and "renesas,can-r8a7796"
-compatible:
-In R8A7795 and R8A7796 SoCs, "clkp2" can be CANFD clock. This is a div6 clock
-and can be used by both CAN and CAN FD controller at the same time. It needs to
-be scaled to maximum frequency if any of these controllers use it. This is done
+Required properties for R8A7795, R8A7796 and R8A77965:
+For the denoted SoCs, "clkp2" can be CANFD clock. This is a div6 clock and can
+be used by both CAN and CAN FD controller at the same time. It needs to be
+scaled to maximum frequency if any of these controllers use it. This is done
using the below properties:
- assigned-clocks: phandle of clkp2(CANFD) clock.
@@ -42,8 +49,9 @@ using the below properties:
Optional properties:
- renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
<0x0> (default) : Peripheral clock (clkp1)
- <0x1> : Peripheral clock (clkp2)
- <0x3> : Externally input clock
+ <0x1> : Peripheral clock (clkp2) (not supported by
+ RZ/G2 devices)
+ <0x3> : External input clock
Example
-------
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt
index 3ceeb8de1196..35694c0c376b 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.txt
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt
@@ -7,7 +7,7 @@ limitations.
Current Binding
---------------
-Switches are true Linux devices and can be probes by any means. Once
+Switches are true Linux devices and can be probed by any means. Once
probed, they register to the DSA framework, passing a node
pointer. This node is expected to fulfil the following binding, and
may contain additional properties as required by the device it is
diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
index adf20b2bdf71..fbc198d5dd39 100644
--- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
+++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
@@ -40,24 +40,36 @@ Required properties:
"ref" for 19.2 MHz ref clk,
"com_aux" for phy common block aux clock,
"ref_aux" for phy reference aux clock,
+
+ For "qcom,ipq8074-qmp-pcie-phy": no clocks are listed.
For "qcom,msm8996-qmp-pcie-phy" must contain:
"aux", "cfg_ahb", "ref".
For "qcom,msm8996-qmp-usb3-phy" must contain:
"aux", "cfg_ahb", "ref".
- For "qcom,qmp-v3-usb3-phy" must contain:
+ For "qcom,sdm845-qmp-usb3-phy" must contain:
+ "aux", "cfg_ahb", "ref", "com_aux".
+ For "qcom,sdm845-qmp-usb3-uni-phy" must contain:
"aux", "cfg_ahb", "ref", "com_aux".
+ For "qcom,sdm845-qmp-ufs-phy" must contain:
+ "ref", "ref_aux".
- resets: a list of phandles and reset controller specifier pairs,
one for each entry in reset-names.
- reset-names: "phy" for reset of phy block,
"common" for phy common block reset,
- "cfg" for phy's ahb cfg block reset (Optional).
+ "cfg" for phy's ahb cfg block reset.
+
+ For "qcom,ipq8074-qmp-pcie-phy" must contain:
+ "phy", "common".
For "qcom,msm8996-qmp-pcie-phy" must contain:
- "phy", "common", "cfg".
+ "phy", "common", "cfg".
For "qcom,msm8996-qmp-usb3-phy" must contain
- "phy", "common".
- For "qcom,ipq8074-qmp-pcie-phy" must contain:
- "phy", "common".
+ "phy", "common".
+ For "qcom,sdm845-qmp-usb3-phy" must contain:
+ "phy", "common".
+ For "qcom,sdm845-qmp-usb3-uni-phy" must contain:
+ "phy", "common".
+ For "qcom,sdm845-qmp-ufs-phy": no resets are listed.
- vdda-phy-supply: Phandle to a regulator supply to PHY core block.
- vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block.
@@ -79,9 +91,10 @@ Required properties for child node:
- #phy-cells: must be 0
+Required properties child node of pcie and usb3 qmp phys:
- clocks: a list of phandles and clock-specifier pairs,
one for each entry in clock-names.
- - clock-names: Must contain following for pcie and usb qmp phys:
+ - clock-names: Must contain following:
"pipe<lane-number>" for pipe clock specific to each lane.
- clock-output-names: Name of the PHY clock that will be the parent for
the above pipe clock.
@@ -91,9 +104,11 @@ Required properties for child node:
(or)
"pcie20_phy1_pipe_clk"
+Required properties for child node of PHYs with lane reset, AKA:
+ "qcom,msm8996-qmp-pcie-phy"
- resets: a list of phandles and reset controller specifier pairs,
one for each entry in reset-names.
- - reset-names: Must contain following for pcie qmp phys:
+ - reset-names: Must contain following:
"lane<lane-number>" for reset specific to each lane.
Example:
diff --git a/Documentation/devicetree/bindings/spi/spi-uniphier.txt b/Documentation/devicetree/bindings/spi/spi-uniphier.txt
index 504a4ecfc7b1..b04e66a52de5 100644
--- a/Documentation/devicetree/bindings/spi/spi-uniphier.txt
+++ b/Documentation/devicetree/bindings/spi/spi-uniphier.txt
@@ -5,18 +5,20 @@ UniPhier SoCs have SCSSI which supports SPI single channel.
Required properties:
- compatible: should be "socionext,uniphier-scssi"
- reg: address and length of the spi master registers
- - #address-cells: must be <1>, see spi-bus.txt
- - #size-cells: must be <0>, see spi-bus.txt
- - clocks: A phandle to the clock for the device.
- - resets: A phandle to the reset control for the device.
+ - interrupts: a single interrupt specifier
+ - pinctrl-names: should be "default"
+ - pinctrl-0: pin control state for the default mode
+ - clocks: a phandle to the clock for the device
+ - resets: a phandle to the reset control for the device
Example:
spi0: spi@54006000 {
compatible = "socionext,uniphier-scssi";
reg = <0x54006000 0x100>;
- #address-cells = <1>;
- #size-cells = <0>;
+ interrupts = <0 39 4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi0>;
clocks = <&peri_clk 11>;
resets = <&peri_rst 11>;
};
diff --git a/Documentation/i2c/busses/i2c-nvidia-gpu b/Documentation/i2c/busses/i2c-nvidia-gpu
new file mode 100644
index 000000000000..31884d2b2eb5
--- /dev/null
+++ b/Documentation/i2c/busses/i2c-nvidia-gpu
@@ -0,0 +1,18 @@
+Kernel driver i2c-nvidia-gpu
+
+Datasheet: not publicly available.
+
+Authors:
+ Ajay Gupta <ajayg@nvidia.com>
+
+Description
+-----------
+
+i2c-nvidia-gpu is a driver for I2C controller included in NVIDIA Turing
+and later GPUs and it is used to communicate with Type-C controller on GPUs.
+
+If your 'lspci -v' listing shows something like the following,
+
+01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1ad9 (rev a1)
+
+then this driver should support the I2C controller of your GPU.
diff --git a/Documentation/input/event-codes.rst b/Documentation/input/event-codes.rst
index cef220c176a4..a8c0873beb95 100644
--- a/Documentation/input/event-codes.rst
+++ b/Documentation/input/event-codes.rst
@@ -190,16 +190,7 @@ A few EV_REL codes have special meanings:
* REL_WHEEL, REL_HWHEEL:
- These codes are used for vertical and horizontal scroll wheels,
- respectively. The value is the number of "notches" moved on the wheel, the
- physical size of which varies by device. For high-resolution wheels (which
- report multiple events for each notch of movement, or do not have notches)
- this may be an approximation based on the high-resolution scroll events.
-
-* REL_WHEEL_HI_RES:
-
- - If a vertical scroll wheel supports high-resolution scrolling, this code
- will be emitted in addition to REL_WHEEL. The value is the (approximate)
- distance travelled by the user's finger, in microns.
+ respectively.
EV_ABS
------
diff --git a/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst b/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
index 0f8b31874002..de131f00c249 100644
--- a/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
+++ b/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _media_ioc_request_alloc:
diff --git a/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst b/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
index 6dd2d7fea714..5d2604345e19 100644
--- a/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
+++ b/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _media_request_ioc_queue:
diff --git a/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst b/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
index febe888494c8..ec61960c81ce 100644
--- a/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
+++ b/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _media_request_ioc_reinit:
diff --git a/Documentation/media/uapi/mediactl/request-api.rst b/Documentation/media/uapi/mediactl/request-api.rst
index 5f4a23029c48..945113dcb218 100644
--- a/Documentation/media/uapi/mediactl/request-api.rst
+++ b/Documentation/media/uapi/mediactl/request-api.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _media-request-api:
diff --git a/Documentation/media/uapi/mediactl/request-func-close.rst b/Documentation/media/uapi/mediactl/request-func-close.rst
index 098d7f2b9548..dcf3f35bcf17 100644
--- a/Documentation/media/uapi/mediactl/request-func-close.rst
+++ b/Documentation/media/uapi/mediactl/request-func-close.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _request-func-close:
diff --git a/Documentation/media/uapi/mediactl/request-func-ioctl.rst b/Documentation/media/uapi/mediactl/request-func-ioctl.rst
index ff7b072a6999..11a22f887843 100644
--- a/Documentation/media/uapi/mediactl/request-func-ioctl.rst
+++ b/Documentation/media/uapi/mediactl/request-func-ioctl.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _request-func-ioctl:
diff --git a/Documentation/media/uapi/mediactl/request-func-poll.rst b/Documentation/media/uapi/mediactl/request-func-poll.rst
index 85191254f381..2609fd54d519 100644
--- a/Documentation/media/uapi/mediactl/request-func-poll.rst
+++ b/Documentation/media/uapi/mediactl/request-func-poll.rst
@@ -1,4 +1,28 @@
-.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
+.. This file is dual-licensed: you can use it either under the terms
+.. of the GPL or the GFDL 1.1+ license, at your option. Note that this
+.. dual licensing only applies to this file, and not this project as a
+.. whole.
+..
+.. a) This file is free software; you can redistribute it and/or
+.. modify it under the terms of the GNU General Public License as
+.. published by the Free Software Foundation; either version 2 of
+.. the License, or (at your option) any later version.
+..
+.. This file is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.. GNU General Public License for more details.
+..
+.. Or, alternatively,
+..
+.. b) Permission is granted to copy, distribute and/or modify this
+.. document under the terms of the GNU Free Documentation License,
+.. Version 1.1 or any later version published by the Free Software
+.. Foundation, with no Invariant Sections, no Front-Cover Texts
+.. and no Back-Cover Texts. A copy of the license is included at
+.. Documentation/media/uapi/fdl-appendix.rst.
+..
+.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
.. _request-func-poll:
diff --git a/Documentation/media/uapi/v4l/dev-meta.rst b/Documentation/media/uapi/v4l/dev-meta.rst
index f7ac8d0d3af1..b65dc078abeb 100644
--- a/Documentation/media/uapi/v4l/dev-meta.rst
+++ b/Documentation/media/uapi/v4l/dev-meta.rst
@@ -40,7 +40,7 @@ To use the :ref:`format` ioctls applications set the ``type`` field of the
the desired operation. Both drivers and applications must set the remainder of
the :c:type:`v4l2_format` structure to 0.
-.. _v4l2-meta-format:
+.. c:type:: v4l2_meta_format
.. tabularcolumns:: |p{1.4cm}|p{2.2cm}|p{13.9cm}|
diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
index 65a1d873196b..027358b91082 100644
--- a/Documentation/media/uapi/v4l/extended-controls.rst
+++ b/Documentation/media/uapi/v4l/extended-controls.rst
@@ -1505,6 +1505,11 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type -
configuring a stateless hardware decoding pipeline for MPEG-2.
The bitstream parameters are defined according to :ref:`mpeg2part2`.
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
.. c:type:: v4l2_ctrl_mpeg2_slice_params
.. cssclass:: longtable
@@ -1625,6 +1630,11 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type -
Specifies quantization matrices (as extracted from the bitstream) for the
associated MPEG-2 slice data.
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
.. c:type:: v4l2_ctrl_mpeg2_quantization
.. cssclass:: longtable
diff --git a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
index 3ead350e099f..9ea494a8faca 100644
--- a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
+++ b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
@@ -133,6 +133,11 @@ The format as returned by :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` must be identical
- Definition of a data format, see :ref:`pixfmt`, used by SDR
capture and output devices.
* -
+ - struct :c:type:`v4l2_meta_format`
+ - ``meta``
+ - Definition of a metadata format, see :ref:`meta-formats`, used by
+ metadata capture devices.
+ * -
- __u8
- ``raw_data``\ [200]
- Place holder for future extensions.
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt
index 605e00cdd6be..89f1302d593a 100644
--- a/Documentation/networking/rxrpc.txt
+++ b/Documentation/networking/rxrpc.txt
@@ -1056,18 +1056,23 @@ The kernel interface functions are as follows:
u32 rxrpc_kernel_check_life(struct socket *sock,
struct rxrpc_call *call);
+ void rxrpc_kernel_probe_life(struct socket *sock,
+ struct rxrpc_call *call);
- This returns a number that is updated when ACKs are received from the peer
- (notably including PING RESPONSE ACKs which we can elicit by sending PING
- ACKs to see if the call still exists on the server). The caller should
- compare the numbers of two calls to see if the call is still alive after
- waiting for a suitable interval.
+ The first function returns a number that is updated when ACKs are received
+ from the peer (notably including PING RESPONSE ACKs which we can elicit by
+ sending PING ACKs to see if the call still exists on the server). The
+ caller should compare the numbers of two calls to see if the call is still
+ alive after waiting for a suitable interval.
This allows the caller to work out if the server is still contactable and
if the call is still alive on the server whilst waiting for the server to
process a client operation.
- This function may transmit a PING ACK.
+ The second function causes a ping ACK to be transmitted to try to provoke
+ the peer into responding, which would then cause the value returned by the
+ first function to change. Note that this must be called in TASK_RUNNING
+ state.
(*) Get reply timestamp.
diff --git a/Documentation/userspace-api/spec_ctrl.rst b/Documentation/userspace-api/spec_ctrl.rst
index 32f3d55c54b7..c4dbe6f7cdae 100644
--- a/Documentation/userspace-api/spec_ctrl.rst
+++ b/Documentation/userspace-api/spec_ctrl.rst
@@ -92,3 +92,12 @@ Speculation misfeature controls
* prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_STORE_BYPASS, PR_SPEC_ENABLE, 0, 0);
* prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_STORE_BYPASS, PR_SPEC_DISABLE, 0, 0);
* prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_STORE_BYPASS, PR_SPEC_FORCE_DISABLE, 0, 0);
+
+- PR_SPEC_INDIR_BRANCH: Indirect Branch Speculation in User Processes
+ (Mitigate Spectre V2 style attacks against user processes)
+
+ Invocations:
+ * prctl(PR_GET_SPECULATION_CTRL, PR_SPEC_INDIRECT_BRANCH, 0, 0, 0);
+ * prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_INDIRECT_BRANCH, PR_SPEC_ENABLE, 0, 0);
+ * prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_INDIRECT_BRANCH, PR_SPEC_DISABLE, 0, 0);
+ * prctl(PR_SET_SPECULATION_CTRL, PR_SPEC_INDIRECT_BRANCH, PR_SPEC_FORCE_DISABLE, 0, 0);
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 7727db8f94bc..5e9b826b5f62 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -61,18 +61,6 @@ Protocol 2.12: (Kernel 3.8) Added the xloadflags field and extension fields
to struct boot_params for loading bzImage and ramdisk
above 4G in 64bit.
-Protocol 2.13: (Kernel 3.14) Support 32- and 64-bit flags being set in
- xloadflags to support booting a 64-bit kernel from 32-bit
- EFI
-
-Protocol 2.14: (Kernel 4.20) Added acpi_rsdp_addr holding the physical
- address of the ACPI RSDP table.
- The bootloader updates version with:
- 0x8000 | min(kernel-version, bootloader-version)
- kernel-version being the protocol version supported by
- the kernel and bootloader-version the protocol version
- supported by the bootloader.
-
**** MEMORY LAYOUT
The traditional memory map for the kernel loader, used for Image or
@@ -209,7 +197,6 @@ Offset Proto Name Meaning
0258/8 2.10+ pref_address Preferred loading address
0260/4 2.10+ init_size Linear memory required during initialization
0264/4 2.11+ handover_offset Offset of handover entry point
-0268/8 2.14+ acpi_rsdp_addr Physical address of RSDP table
(1) For backwards compatibility, if the setup_sects field contains 0, the
real value is 4.
@@ -322,7 +309,7 @@ Protocol: 2.00+
Contains the magic number "HdrS" (0x53726448).
Field name: version
-Type: modify
+Type: read
Offset/size: 0x206/2
Protocol: 2.00+
@@ -330,12 +317,6 @@ Protocol: 2.00+
e.g. 0x0204 for version 2.04, and 0x0a11 for a hypothetical version
10.17.
- Up to protocol version 2.13 this information is only read by the
- bootloader. From protocol version 2.14 onwards the bootloader will
- write the used protocol version or-ed with 0x8000 to the field. The
- used protocol version will be the minimum of the supported protocol
- versions of the bootloader and the kernel.
-
Field name: realmode_swtch
Type: modify (optional)
Offset/size: 0x208/4
@@ -763,17 +744,6 @@ Offset/size: 0x264/4
See EFI HANDOVER PROTOCOL below for more details.
-Field name: acpi_rsdp_addr
-Type: write
-Offset/size: 0x268/8
-Protocol: 2.14+
-
- This field can be set by the boot loader to tell the kernel the
- physical address of the ACPI RSDP table.
-
- A value of 0 indicates the kernel should fall back to the standard
- methods to locate the RSDP.
-
**** THE IMAGE CHECKSUM
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index 73aaaa3da436..804f9426ed17 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -34,23 +34,24 @@ __________________|____________|__________________|_________|___________________
____________________________________________________________|___________________________________________________________
| | | |
ffff800000000000 | -128 TB | ffff87ffffffffff | 8 TB | ... guard hole, also reserved for hypervisor
- ffff880000000000 | -120 TB | ffffc7ffffffffff | 64 TB | direct mapping of all physical memory (page_offset_base)
- ffffc80000000000 | -56 TB | ffffc8ffffffffff | 1 TB | ... unused hole
+ ffff880000000000 | -120 TB | ffff887fffffffff | 0.5 TB | LDT remap for PTI
+ ffff888000000000 | -119.5 TB | ffffc87fffffffff | 64 TB | direct mapping of all physical memory (page_offset_base)
+ ffffc88000000000 | -55.5 TB | ffffc8ffffffffff | 0.5 TB | ... unused hole
ffffc90000000000 | -55 TB | ffffe8ffffffffff | 32 TB | vmalloc/ioremap space (vmalloc_base)
ffffe90000000000 | -23 TB | ffffe9ffffffffff | 1 TB | ... unused hole
ffffea0000000000 | -22 TB | ffffeaffffffffff | 1 TB | virtual memory map (vmemmap_base)
ffffeb0000000000 | -21 TB | ffffebffffffffff | 1 TB | ... unused hole
ffffec0000000000 | -20 TB | fffffbffffffffff | 16 TB | KASAN shadow memory
- fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
- | | | | vaddr_end for KASLR
- fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
- fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | LDT remap for PTI
- ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
__________________|____________|__________________|_________|____________________________________________________________
|
- | Identical layout to the 47-bit one from here on:
+ | Identical layout to the 56-bit one from here on:
____________________________________________________________|____________________________________________________________
| | | |
+ fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
+ | | | | vaddr_end for KASLR
+ fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
+ fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
+ ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
ffffff8000000000 | -512 GB | ffffffeeffffffff | 444 GB | ... unused hole
ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI region mapping space
ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | ... unused hole
@@ -83,7 +84,7 @@ Notes:
__________________|____________|__________________|_________|___________________________________________________________
| | | |
0000800000000000 | +64 PB | ffff7fffffffffff | ~16K PB | ... huge, still almost 64 bits wide hole of non-canonical
- | | | | virtual memory addresses up to the -128 TB
+ | | | | virtual memory addresses up to the -64 PB
| | | | starting offset of kernel mappings.
__________________|____________|__________________|_________|___________________________________________________________
|
@@ -91,23 +92,24 @@ __________________|____________|__________________|_________|___________________
____________________________________________________________|___________________________________________________________
| | | |
ff00000000000000 | -64 PB | ff0fffffffffffff | 4 PB | ... guard hole, also reserved for hypervisor
- ff10000000000000 | -60 PB | ff8fffffffffffff | 32 PB | direct mapping of all physical memory (page_offset_base)
- ff90000000000000 | -28 PB | ff9fffffffffffff | 4 PB | LDT remap for PTI
+ ff10000000000000 | -60 PB | ff10ffffffffffff | 0.25 PB | LDT remap for PTI
+ ff11000000000000 | -59.75 PB | ff90ffffffffffff | 32 PB | direct mapping of all physical memory (page_offset_base)
+ ff91000000000000 | -27.75 PB | ff9fffffffffffff | 3.75 PB | ... unused hole
ffa0000000000000 | -24 PB | ffd1ffffffffffff | 12.5 PB | vmalloc/ioremap space (vmalloc_base)
ffd2000000000000 | -11.5 PB | ffd3ffffffffffff | 0.5 PB | ... unused hole
ffd4000000000000 | -11 PB | ffd5ffffffffffff | 0.5 PB | virtual memory map (vmemmap_base)
ffd6000000000000 | -10.5 PB | ffdeffffffffffff | 2.25 PB | ... unused hole
ffdf000000000000 | -8.25 PB | fffffdffffffffff | ~8 PB | KASAN shadow memory
- fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
- | | | | vaddr_end for KASLR
- fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
- fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
- ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
__________________|____________|__________________|_________|____________________________________________________________
|
| Identical layout to the 47-bit one from here on:
____________________________________________________________|____________________________________________________________
| | | |
+ fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
+ | | | | vaddr_end for KASLR
+ fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
+ fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
+ ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
ffffff8000000000 | -512 GB | ffffffeeffffffff | 444 GB | ... unused hole
ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI region mapping space
ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | ... unused hole
diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index 97b7adbceda4..68aed077f7b6 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -25,7 +25,7 @@ Offset Proto Name Meaning
0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
140/080 ALL edid_info Video mode setup (struct edid_info)
1C0/020 ALL efi_info EFI 32 information (struct efi_info)
-1E0/004 ALL alk_mem_k Alternative mem check, in KB
+1E0/004 ALL alt_mem_k Alternative mem check, in KB
1E4/004 ALL scratch Scratch field for the kernel setup code
1E8/001 ALL e820_entries Number of entries in e820_table (below)
1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
diff --git a/MAINTAINERS b/MAINTAINERS
index f4855974f325..f3a5c97e3419 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -180,6 +180,7 @@ F: drivers/net/hamradio/6pack.c
8169 10/100/1000 GIGABIT ETHERNET DRIVER
M: Realtek linux nic maintainers <nic_swsd@realtek.com>
+M: Heiner Kallweit <hkallweit1@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/realtek/r8169.c
@@ -717,7 +718,7 @@ F: include/linux/mfd/altera-a10sr.h
F: include/dt-bindings/reset/altr,rst-mgr-a10sr.h
ALTERA TRIPLE SPEED ETHERNET DRIVER
-M: Vince Bridgers <vbridger@opensource.altera.com>
+M: Thor Thayer <thor.thayer@linux.intel.com>
L: netdev@vger.kernel.org
L: nios2-dev@lists.rocketboards.org (moderated for non-subscribers)
S: Maintained
@@ -1471,6 +1472,7 @@ F: drivers/clk/sirf/
F: drivers/clocksource/timer-prima2.c
F: drivers/clocksource/timer-atlas7.c
N: [^a-z]sirf
+X: drivers/gnss
ARM/EBSA110 MACHINE SUPPORT
M: Russell King <linux@armlinux.org.uk>
@@ -1737,13 +1739,17 @@ ARM/Mediatek SoC support
M: Matthias Brugger <matthias.bgg@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+W: https://mtk.bcnfs.org/
+C: irc://chat.freenode.net/linux-mediatek
S: Maintained
F: arch/arm/boot/dts/mt6*
F: arch/arm/boot/dts/mt7*
F: arch/arm/boot/dts/mt8*
F: arch/arm/mach-mediatek/
F: arch/arm64/boot/dts/mediatek/
+F: drivers/soc/mediatek/
N: mtk
+N: mt[678]
K: mediatek
ARM/Mediatek USB3 PHY DRIVER
@@ -1922,7 +1928,6 @@ ARM/QUALCOMM SUPPORT
M: Andy Gross <andy.gross@linaro.org>
M: David Brown <david.brown@linaro.org>
L: linux-arm-msm@vger.kernel.org
-L: linux-soc@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/soc/qcom/
F: arch/arm/boot/dts/qcom-*.dts
@@ -2490,7 +2495,7 @@ F: drivers/net/wireless/ath/*
ATHEROS ATH5K WIRELESS DRIVER
M: Jiri Slaby <jirislaby@gmail.com>
M: Nick Kossifidis <mickflemm@gmail.com>
-M: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
+M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/ath5k
S: Maintained
@@ -2628,6 +2633,13 @@ S: Maintained
F: Documentation/devicetree/bindings/sound/axentia,*
F: sound/soc/atmel/tse850-pcm5142.c
+AXXIA I2C CONTROLLER
+M: Krzysztof Adamski <krzysztof.adamski@nokia.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/i2c/i2c-axxia.txt
+F: drivers/i2c/busses/i2c-axxia.c
+
AZ6007 DVB DRIVER
M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
@@ -2800,7 +2812,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
Q: https://patchwork.ozlabs.org/project/netdev/list/?delegate=77147
S: Supported
-F: arch/x86/net/bpf_jit*
+F: arch/*/net/*
F: Documentation/networking/filter.txt
F: Documentation/bpf/
F: include/linux/bpf*
@@ -2820,6 +2832,67 @@ F: tools/bpf/
F: tools/lib/bpf/
F: tools/testing/selftests/bpf/
+BPF JIT for ARM
+M: Shubham Bansal <illusionist.neo@gmail.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/arm/net/
+
+BPF JIT for ARM64
+M: Daniel Borkmann <daniel@iogearbox.net>
+M: Alexei Starovoitov <ast@kernel.org>
+M: Zi Shen Lim <zlim.lnx@gmail.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: arch/arm64/net/
+
+BPF JIT for MIPS (32-BIT AND 64-BIT)
+M: Paul Burton <paul.burton@mips.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/mips/net/
+
+BPF JIT for NFP NICs
+M: Jakub Kicinski <jakub.kicinski@netronome.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/netronome/nfp/bpf/
+
+BPF JIT for POWERPC (32-BIT AND 64-BIT)
+M: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
+M: Sandipan Das <sandipan@linux.ibm.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/powerpc/net/
+
+BPF JIT for S390
+M: Martin Schwidefsky <schwidefsky@de.ibm.com>
+M: Heiko Carstens <heiko.carstens@de.ibm.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/s390/net/
+X: arch/s390/net/pnet.c
+
+BPF JIT for SPARC (32-BIT AND 64-BIT)
+M: David S. Miller <davem@davemloft.net>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/sparc/net/
+
+BPF JIT for X86 32-BIT
+M: Wang YanQing <udknight@gmail.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/x86/net/bpf_jit_comp32.c
+
+BPF JIT for X86 64-BIT
+M: Alexei Starovoitov <ast@kernel.org>
+M: Daniel Borkmann <daniel@iogearbox.net>
+L: netdev@vger.kernel.org
+S: Supported
+F: arch/x86/net/
+X: arch/x86/net/bpf_jit_comp32.c
+
BROADCOM B44 10/100 ETHERNET DRIVER
M: Michael Chan <michael.chan@broadcom.com>
L: netdev@vger.kernel.org
@@ -2860,7 +2933,7 @@ F: drivers/staging/vc04_services
BROADCOM BCM47XX MIPS ARCHITECTURE
M: Hauke Mehrtens <hauke@hauke-m.de>
M: Rafał Miłecki <zajec5@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/mips/brcm/
F: arch/mips/bcm47xx/*
@@ -2869,7 +2942,6 @@ F: arch/mips/include/asm/mach-bcm47xx/*
BROADCOM BCM5301X ARM ARCHITECTURE
M: Hauke Mehrtens <hauke@hauke-m.de>
M: Rafał Miłecki <zajec5@gmail.com>
-M: Jon Mason <jonmason@broadcom.com>
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org
S: Maintained
@@ -2924,7 +2996,7 @@ F: drivers/cpufreq/bmips-cpufreq.c
BROADCOM BMIPS MIPS ARCHITECTURE
M: Kevin Cernekee <cernekee@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
T: git git://github.com/broadcom/stblinux.git
S: Maintained
F: arch/mips/bmips/*
@@ -3015,7 +3087,6 @@ F: drivers/net/ethernet/broadcom/genet/
BROADCOM IPROC ARM ARCHITECTURE
M: Ray Jui <rjui@broadcom.com>
M: Scott Branden <sbranden@broadcom.com>
-M: Jon Mason <jonmason@broadcom.com>
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/broadcom/cygnus-linux.git
@@ -3062,7 +3133,7 @@ F: include/uapi/rdma/bnxt_re-abi.h
BROADCOM NVRAM DRIVER
M: Rafał Miłecki <zajec5@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: drivers/firmware/broadcom/*
@@ -3212,11 +3283,16 @@ S: Maintained
F: sound/pci/oxygen/
C-SKY ARCHITECTURE
-M: Guo Ren <ren_guo@c-sky.com>
+M: Guo Ren <guoren@kernel.org>
T: git https://github.com/c-sky/csky-linux.git
S: Supported
F: arch/csky/
F: Documentation/devicetree/bindings/csky/
+F: drivers/irqchip/irq-csky-*
+F: Documentation/devicetree/bindings/interrupt-controller/csky,*
+F: drivers/clocksource/timer-gx6605s.c
+F: drivers/clocksource/timer-mp-csky.c
+F: Documentation/devicetree/bindings/timer/csky,*
K: csky
N: csky
@@ -3276,6 +3352,12 @@ F: include/uapi/linux/caif/
F: include/net/caif/
F: net/caif/
+CAKE QDISC
+M: Toke Høiland-Jørgensen <toke@toke.dk>
+L: cake@lists.bufferbloat.net (moderated for non-subscribers)
+S: Maintained
+F: net/sched/sch_cake.c
+
CALGARY x86-64 IOMMU
M: Muli Ben-Yehuda <mulix@mulix.org>
M: Jon Mason <jdmason@kudzu.us>
@@ -3975,7 +4057,7 @@ S: Maintained
F: drivers/media/dvb-frontends/cxd2820r*
CXGB3 ETHERNET DRIVER (CXGB3)
-M: Santosh Raspatur <santosh@chelsio.com>
+M: Arjun Vynipadath <arjun@chelsio.com>
L: netdev@vger.kernel.org
W: http://www.chelsio.com
S: Supported
@@ -4004,7 +4086,7 @@ S: Supported
F: drivers/crypto/chelsio
CXGB4 ETHERNET DRIVER (CXGB4)
-M: Ganesh Goudar <ganeshgr@chelsio.com>
+M: Arjun Vynipadath <arjun@chelsio.com>
L: netdev@vger.kernel.org
W: http://www.chelsio.com
S: Supported
@@ -4158,7 +4240,7 @@ F: net/decnet/
DECSTATION PLATFORM SUPPORT
M: "Maciej W. Rozycki" <macro@linux-mips.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
W: http://www.linux-mips.org/wiki/DECstation
S: Maintained
F: arch/mips/dec/
@@ -4772,6 +4854,7 @@ F: include/uapi/drm/vmwgfx_drm.h
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
+M: Daniel Vetter <daniel@ffwll.ch>
L: dri-devel@lists.freedesktop.org
T: git git://anongit.freedesktop.org/drm/drm
B: https://bugs.freedesktop.org/
@@ -5249,7 +5332,7 @@ EDAC-CAVIUM OCTEON
M: Ralf Baechle <ralf@linux-mips.org>
M: David Daney <david.daney@cavium.com>
L: linux-edac@vger.kernel.org
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Supported
F: drivers/edac/octeon_edac*
@@ -5528,6 +5611,7 @@ F: net/bridge/
ETHERNET PHY LIBRARY
M: Andrew Lunn <andrew@lunn.ch>
M: Florian Fainelli <f.fainelli@gmail.com>
+M: Heiner Kallweit <hkallweit1@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: Documentation/ABI/testing/sysfs-bus-mdio
@@ -5766,7 +5850,7 @@ F: include/uapi/linux/firewire*.h
F: tools/firewire/
FIRMWARE LOADER (request_firmware)
-M: Luis R. Rodriguez <mcgrof@kernel.org>
+M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
F: Documentation/firmware_class/
@@ -6250,6 +6334,7 @@ F: include/uapi/linux/gigaset_dev.h
GNSS SUBSYSTEM
M: Johan Hovold <johan@kernel.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss.git
S: Maintained
F: Documentation/ABI/testing/sysfs-class-gnss
F: Documentation/devicetree/bindings/gnss/
@@ -6299,6 +6384,7 @@ F: tools/testing/selftests/gpio/
GPIO SUBSYSTEM
M: Linus Walleij <linus.walleij@linaro.org>
+M: Bartosz Golaszewski <bgolaszewski@baylibre.com>
L: linux-gpio@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
S: Maintained
@@ -6607,9 +6693,9 @@ F: arch/*/include/asm/suspend*.h
HID CORE LAYER
M: Jiri Kosina <jikos@kernel.org>
-R: Benjamin Tissoires <benjamin.tissoires@redhat.com>
+M: Benjamin Tissoires <benjamin.tissoires@redhat.com>
L: linux-input@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
S: Maintained
F: drivers/hid/
F: include/linux/hid*
@@ -6827,8 +6913,10 @@ Hyper-V CORE AND DRIVERS
M: "K. Y. Srinivasan" <kys@microsoft.com>
M: Haiyang Zhang <haiyangz@microsoft.com>
M: Stephen Hemminger <sthemmin@microsoft.com>
+M: Sasha Levin <sashal@kernel.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git
L: devel@linuxdriverproject.org
-S: Maintained
+S: Supported
F: Documentation/networking/netvsc.txt
F: arch/x86/include/asm/mshyperv.h
F: arch/x86/include/asm/trace/hyperv.h
@@ -6861,6 +6949,13 @@ L: linux-acpi@vger.kernel.org
S: Maintained
F: drivers/i2c/i2c-core-acpi.c
+I2C CONTROLLER DRIVER FOR NVIDIA GPU
+M: Ajay Gupta <ajayg@nvidia.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-nvidia-gpu
+F: drivers/i2c/busses/i2c-nvidia-gpu.c
+
I2C MUXES
M: Peter Rosin <peda@axentia.se>
L: linux-i2c@vger.kernel.org
@@ -7429,6 +7524,20 @@ S: Maintained
F: Documentation/fb/intelfb.txt
F: drivers/video/fbdev/intelfb/
+INTEL GPIO DRIVERS
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
+F: drivers/gpio/gpio-ich.c
+F: drivers/gpio/gpio-intel-mid.c
+F: drivers/gpio/gpio-lynxpoint.c
+F: drivers/gpio/gpio-merrifield.c
+F: drivers/gpio/gpio-ml-ioh.c
+F: drivers/gpio/gpio-pch.c
+F: drivers/gpio/gpio-sch.c
+F: drivers/gpio/gpio-sodaville.c
+
INTEL GVT-g DRIVERS (Intel GPU Virtualization)
M: Zhenyu Wang <zhenyuw@linux.intel.com>
M: Zhi Wang <zhi.a.wang@intel.com>
@@ -7439,12 +7548,6 @@ T: git https://github.com/intel/gvt-linux.git
S: Supported
F: drivers/gpu/drm/i915/gvt/
-INTEL PMIC GPIO DRIVER
-R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
-S: Maintained
-F: drivers/gpio/gpio-*cove.c
-F: drivers/gpio/gpio-msic.c
-
INTEL HID EVENT DRIVER
M: Alex Hung <alex.hung@canonical.com>
L: platform-driver-x86@vger.kernel.org
@@ -7532,12 +7635,6 @@ W: https://01.org/linux-acpi
S: Supported
F: drivers/platform/x86/intel_menlow.c
-INTEL MERRIFIELD GPIO DRIVER
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
-L: linux-gpio@vger.kernel.org
-S: Maintained
-F: drivers/gpio/gpio-merrifield.c
-
INTEL MIC DRIVERS (mic)
M: Sudeep Dutt <sudeep.dutt@intel.com>
M: Ashutosh Dixit <ashutosh.dixit@intel.com>
@@ -7570,6 +7667,13 @@ F: drivers/platform/x86/intel_punit_ipc.c
F: arch/x86/include/asm/intel_pmc_ipc.h
F: arch/x86/include/asm/intel_punit_ipc.h
+INTEL PMIC GPIO DRIVERS
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
+F: drivers/gpio/gpio-*cove.c
+F: drivers/gpio/gpio-msic.c
+
INTEL MULTIFUNCTION PMIC DEVICE DRIVERS
R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
S: Maintained
@@ -7678,7 +7782,7 @@ F: Documentation/devicetree/bindings/iio/gyroscope/invensense,mpu3050.txt
IOC3 ETHERNET DRIVER
M: Ralf Baechle <ralf@linux-mips.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/sgi/ioc3-eth.c
@@ -8049,7 +8153,7 @@ F: tools/testing/selftests/
F: Documentation/dev-tools/kselftest*
KERNEL USERMODE HELPER
-M: "Luis R. Rodriguez" <mcgrof@kernel.org>
+M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
F: kernel/umh.c
@@ -8106,7 +8210,7 @@ F: arch/arm64/kvm/
KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)
M: James Hogan <jhogan@kernel.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Supported
F: arch/mips/include/uapi/asm/kvm*
F: arch/mips/include/asm/kvm*
@@ -8225,7 +8329,7 @@ F: mm/kmemleak.c
F: mm/kmemleak-test.c
KMOD KERNEL MODULE LOADER - USERMODE HELPER
-M: "Luis R. Rodriguez" <mcgrof@kernel.org>
+M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
F: kernel/kmod.c
@@ -8279,7 +8383,7 @@ F: drivers/net/dsa/lantiq_gswip.c
LANTIQ MIPS ARCHITECTURE
M: John Crispin <john@phrozen.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/lantiq
F: drivers/soc/lantiq
@@ -8367,7 +8471,7 @@ F: drivers/media/dvb-frontends/lgdt3305.*
LIBATA PATA ARASAN COMPACT FLASH CONTROLLER
M: Viresh Kumar <vireshk@kernel.org>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: include/linux/pata_arasan_cf_data.h
F: drivers/ata/pata_arasan_cf.c
@@ -8384,7 +8488,7 @@ F: drivers/ata/ata_generic.c
LIBATA PATA FARADAY FTIDE010 AND GEMINI SATA BRIDGE DRIVERS
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: drivers/ata/pata_ftide010.c
F: drivers/ata/sata_gemini.c
@@ -8403,7 +8507,7 @@ F: include/linux/ahci_platform.h
LIBATA SATA PROMISE TX2/TX4 CONTROLLER DRIVER
M: Mikael Pettersson <mikpelinux@gmail.com>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: drivers/ata/sata_promise.*
@@ -8842,13 +8946,13 @@ S: Maintained
MARDUK (CREATOR CI40) DEVICE TREE SUPPORT
M: Rahul Bedarkar <rahulbedarkar89@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/boot/dts/img/pistachio_marduk.dts
MARVELL 88E6XXX ETHERNET SWITCH FABRIC DRIVER
M: Andrew Lunn <andrew@lunn.ch>
-M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+M: Vivien Didelot <vivien.didelot@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/dsa/mv88e6xxx/
@@ -9353,6 +9457,13 @@ F: drivers/media/platform/mtk-vpu/
F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt
F: Documentation/devicetree/bindings/media/mediatek-vpu.txt
+MEDIATEK MT76 WIRELESS LAN DRIVER
+M: Felix Fietkau <nbd@nbd.name>
+M: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+L: linux-wireless@vger.kernel.org
+S: Maintained
+F: drivers/net/wireless/mediatek/mt76/
+
MEDIATEK MT7601U WIRELESS LAN DRIVER
M: Jakub Kicinski <kubakici@wp.pl>
L: linux-wireless@vger.kernel.org
@@ -9801,7 +9912,7 @@ F: drivers/dma/at_xdmac.c
MICROSEMI MIPS SOCS
M: Alexandre Belloni <alexandre.belloni@bootlin.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/generic/board-ocelot.c
F: arch/mips/configs/generic/board-ocelot.config
@@ -9841,7 +9952,7 @@ MIPS
M: Ralf Baechle <ralf@linux-mips.org>
M: Paul Burton <paul.burton@mips.com>
M: James Hogan <jhogan@kernel.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
W: http://www.linux-mips.org/
T: git git://git.linux-mips.org/pub/scm/ralf/linux.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git
@@ -9854,7 +9965,7 @@ F: drivers/platform/mips/
MIPS BOSTON DEVELOPMENT BOARD
M: Paul Burton <paul.burton@mips.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
F: arch/mips/boot/dts/img/boston.dts
@@ -9864,7 +9975,7 @@ F: include/dt-bindings/clock/boston-clock.h
MIPS GENERIC PLATFORM
M: Paul Burton <paul.burton@mips.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/power/mti,mips-cpc.txt
F: arch/mips/generic/
@@ -9872,7 +9983,7 @@ F: arch/mips/tools/generic-board-config.sh
MIPS/LOONGSON1 ARCHITECTURE
M: Keguang Zhang <keguang.zhang@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/loongson32/
F: arch/mips/include/asm/mach-loongson32/
@@ -9881,7 +9992,7 @@ F: drivers/*/*/*loongson1*
MIPS/LOONGSON2 ARCHITECTURE
M: Jiaxun Yang <jiaxun.yang@flygoat.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/loongson64/fuloong-2e/
F: arch/mips/loongson64/lemote-2f/
@@ -9891,7 +10002,7 @@ F: drivers/*/*/*loongson2*
MIPS/LOONGSON3 ARCHITECTURE
M: Huacai Chen <chenhc@lemote.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/loongson64/
F: arch/mips/include/asm/mach-loongson64/
@@ -9901,7 +10012,7 @@ F: drivers/*/*/*loongson3*
MIPS RINT INSTRUCTION EMULATION
M: Aleksandar Markovic <aleksandar.markovic@mips.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Supported
F: arch/mips/math-emu/sp_rint.c
F: arch/mips/math-emu/dp_rint.c
@@ -9915,12 +10026,9 @@ S: Odd Fixes
F: drivers/media/radio/radio-miropcm20*
MMP SUPPORT
-M: Eric Miao <eric.y.miao@gmail.com>
-M: Haojian Zhuang <haojian.zhuang@gmail.com>
+R: Lubomir Rintel <lkundrak@v3.sk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-T: git git://github.com/hzhuang1/linux.git
-T: git git://git.linaro.org/people/ycmiao/pxa-linux.git
-S: Maintained
+S: Odd Fixes
F: arch/arm/boot/dts/mmp*
F: arch/arm/mach-mmp/
@@ -10326,7 +10434,7 @@ F: drivers/net/wireless/
NETWORKING [DSA]
M: Andrew Lunn <andrew@lunn.ch>
-M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+M: Vivien Didelot <vivien.didelot@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
S: Maintained
F: Documentation/devicetree/bindings/net/dsa/
@@ -10784,6 +10892,14 @@ L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/mach-omap2/omap_hwmod.*
+OMAP I2C DRIVER
+M: Vignesh R <vigneshr@ti.com>
+L: linux-omap@vger.kernel.org
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/i2c/i2c-omap.txt
+F: drivers/i2c/busses/i2c-omap.c
+
OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS)
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
@@ -10793,9 +10909,9 @@ F: drivers/media/platform/omap3isp/
F: drivers/staging/media/omap4iss/
OMAP MMC SUPPORT
-M: Jarkko Lavinen <jarkko.lavinen@nokia.com>
+M: Aaro Koskinen <aaro.koskinen@iki.fi>
L: linux-omap@vger.kernel.org
-S: Maintained
+S: Odd Fixes
F: drivers/mmc/host/omap.c
OMAP POWER MANAGEMENT SUPPORT
@@ -10878,7 +10994,7 @@ F: include/linux/platform_data/i2c-omap.h
ONION OMEGA2+ BOARD
M: Harvey Hunt <harveyhuntnexus@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/boot/dts/ralink/omega2p.dts
@@ -11730,6 +11846,7 @@ F: Documentation/devicetree/bindings/pinctrl/fsl,*
PIN CONTROLLER - INTEL
M: Mika Westerberg <mika.westerberg@linux.intel.com>
M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git
S: Maintained
F: drivers/pinctrl/intel/
@@ -11786,7 +11903,7 @@ F: drivers/pinctrl/spear/
PISTACHIO SOC SUPPORT
M: James Hartley <james.hartley@sondrel.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Odd Fixes
F: arch/mips/pistachio/
F: arch/mips/include/asm/mach-pistachio/
@@ -11966,7 +12083,7 @@ F: kernel/printk/
F: include/linux/printk.h
PRISM54 WIRELESS DRIVER
-M: "Luis R. Rodriguez" <mcgrof@gmail.com>
+M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/p54
S: Obsolete
@@ -11980,9 +12097,10 @@ S: Maintained
F: fs/proc/
F: include/linux/proc_fs.h
F: tools/testing/selftests/proc/
+F: Documentation/filesystems/proc.txt
PROC SYSCTL
-M: "Luis R. Rodriguez" <mcgrof@kernel.org>
+M: Luis Chamberlain <mcgrof@kernel.org>
M: Kees Cook <keescook@chromium.org>
L: linux-kernel@vger.kernel.org
L: linux-fsdevel@vger.kernel.org
@@ -12445,7 +12563,7 @@ F: drivers/media/usb/rainshadow-cec/*
RALINK MIPS ARCHITECTURE
M: John Crispin <john@phrozen.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/ralink
@@ -12465,7 +12583,7 @@ F: drivers/block/brd.c
RANCHU VIRTUAL BOARD FOR MIPS
M: Miodrag Dinic <miodrag.dinic@mips.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Supported
F: arch/mips/generic/board-ranchu.c
F: arch/mips/configs/generic/board-ranchu.config
@@ -13790,6 +13908,13 @@ F: drivers/md/raid*
F: include/linux/raid/
F: include/uapi/linux/raid/
+SOCIONEXT (SNI) AVE NETWORK DRIVER
+M: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/socionext/sni_ave.c
+F: Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
+
SOCIONEXT (SNI) NETSEC NETWORK DRIVER
M: Jassi Brar <jaswinder.singh@linaro.org>
L: netdev@vger.kernel.org
@@ -13915,6 +14040,7 @@ S: Supported
F: Documentation/devicetree/bindings/sound/
F: Documentation/sound/soc/
F: sound/soc/
+F: include/dt-bindings/sound/
F: include/sound/soc*
SOUNDWIRE SUBSYSTEM
@@ -13962,11 +14088,10 @@ F: drivers/tty/serial/sunzilog.h
F: drivers/tty/vcc.c
SPARSE CHECKER
-M: "Christopher Li" <sparse@chrisli.org>
+M: "Luc Van Oostenryck" <luc.vanoostenryck@gmail.com>
L: linux-sparse@vger.kernel.org
W: https://sparse.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/devel/sparse/sparse.git
-T: git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git
S: Maintained
F: include/linux/compiler.h
@@ -14063,6 +14188,7 @@ F: Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt
STABLE BRANCH
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+M: Sasha Levin <sashal@kernel.org>
L: stable@vger.kernel.org
S: Supported
F: Documentation/process/stable-kernel-rules.rst
@@ -15200,7 +15326,7 @@ F: arch/um/os-Linux/drivers/
TURBOCHANNEL SUBSYSTEM
M: "Maciej W. Rozycki" <macro@linux-mips.org>
M: Ralf Baechle <ralf@linux-mips.org>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
Q: http://patchwork.linux-mips.org/project/linux-mips/list/
S: Maintained
F: drivers/tc/
@@ -15436,9 +15562,9 @@ F: include/linux/usb/gadget*
USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...)
M: Jiri Kosina <jikos@kernel.org>
-R: Benjamin Tissoires <benjamin.tissoires@redhat.com>
+M: Benjamin Tissoires <benjamin.tissoires@redhat.com>
L: linux-usb@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
S: Maintained
F: Documentation/hid/hiddev.txt
F: drivers/hid/usbhid/
@@ -16021,7 +16147,7 @@ F: drivers/net/vmxnet3/
VOCORE VOCORE2 BOARD
M: Harvey Hunt <harveyhuntnexus@gmail.com>
-L: linux-mips@linux-mips.org
+L: linux-mips@vger.kernel.org
S: Maintained
F: arch/mips/boot/dts/ralink/vocore2.dts
diff --git a/Makefile b/Makefile
index 9fce8b91c15f..b183f68d17fe 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
VERSION = 4
PATCHLEVEL = 20
SUBLEVEL = 0
-EXTRAVERSION = -rc1
-NAME = "People's Front"
+EXTRAVERSION = -rc7
+NAME = Shy Crocodile
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
@@ -962,11 +962,6 @@ ifdef CONFIG_STACK_VALIDATION
ifeq ($(has_libelf),1)
objtool_target := tools/objtool FORCE
else
- ifdef CONFIG_UNWINDER_ORC
- $(error "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
- else
- $(warning "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
- endif
SKIP_STACK_VALIDATION := 1
export SKIP_STACK_VALIDATION
endif
@@ -1081,7 +1076,7 @@ scripts: scripts_basic scripts_dtc asm-generic gcc-plugins $(autoksyms_h)
# version.h and scripts_basic is processed / created.
# Listed in dependency order
-PHONY += prepare archprepare macroprepare prepare0 prepare1 prepare2 prepare3
+PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
# prepare3 is used to check if we are building in a separate output directory,
# and if so do:
@@ -1104,9 +1099,7 @@ prepare2: prepare3 outputmakefile asm-generic
prepare1: prepare2 $(version_h) $(autoksyms_h) include/generated/utsrelease.h
$(cmd_crmodverdir)
-macroprepare: prepare1 archmacros
-
-archprepare: archheaders archscripts macroprepare scripts_basic
+archprepare: archheaders archscripts prepare1 scripts_basic
prepare0: archprepare gcc-plugins
$(Q)$(MAKE) $(build)=.
@@ -1125,6 +1118,14 @@ uapi-asm-generic:
PHONY += prepare-objtool
prepare-objtool: $(objtool_target)
+ifeq ($(SKIP_STACK_VALIDATION),1)
+ifdef CONFIG_UNWINDER_ORC
+ @echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+ @false
+else
+ @echo "warning: Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+endif
+endif
# Generate some files
# ---------------------------------------------------------------------------
@@ -1174,9 +1175,6 @@ archheaders:
PHONY += archscripts
archscripts:
-PHONY += archmacros
-archmacros:
-
PHONY += __headers
__headers: $(version_h) scripts_basic uapi-asm-generic archheaders archscripts
$(Q)$(MAKE) $(build)=scripts build_unifdef
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
index 6a8c53dec57e..b7c77bb1bfd2 100644
--- a/arch/alpha/include/asm/termios.h
+++ b/arch/alpha/include/asm/termios.h
@@ -73,9 +73,15 @@
})
#define user_termios_to_kernel_termios(k, u) \
- copy_from_user(k, u, sizeof(struct termios))
+ copy_from_user(k, u, sizeof(struct termios2))
#define kernel_termios_to_user_termios(u, k) \
+ copy_to_user(u, k, sizeof(struct termios2))
+
+#define user_termios_to_kernel_termios_1(k, u) \
+ copy_from_user(k, u, sizeof(struct termios))
+
+#define kernel_termios_to_user_termios_1(u, k) \
copy_to_user(u, k, sizeof(struct termios))
#endif /* _ALPHA_TERMIOS_H */
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index 1e9121c9b3c7..971311605288 100644
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -32,6 +32,11 @@
#define TCXONC _IO('t', 30)
#define TCFLSH _IO('t', 31)
+#define TCGETS2 _IOR('T', 42, struct termios2)
+#define TCSETS2 _IOW('T', 43, struct termios2)
+#define TCSETSW2 _IOW('T', 44, struct termios2)
+#define TCSETSF2 _IOW('T', 45, struct termios2)
+
#define TIOCSWINSZ _IOW('t', 103, struct winsize)
#define TIOCGWINSZ _IOR('t', 104, struct winsize)
#define TIOCSTART _IO('t', 110) /* start output, like ^Q */
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index de6c8360fbe3..4575ba34a0ea 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -26,6 +26,19 @@ struct termios {
speed_t c_ospeed; /* output speed */
};
+/* Alpha has identical termios and termios2 */
+
+struct termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_cc[NCCS]; /* control characters */
+ cc_t c_line; /* line discipline (== c_cc[19]) */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
/* Alpha has matching termios and ktermios */
struct ktermios {
@@ -152,6 +165,7 @@ struct ktermios {
#define B3000000 00034
#define B3500000 00035
#define B4000000 00036
+#define BOTHER 00037
#define CSIZE 00001400
#define CS5 00000000
@@ -169,6 +183,9 @@ struct ktermios {
#define CMSPAR 010000000000 /* mark or space (stick) parity */
#define CRTSCTS 020000000000 /* flow control */
+#define CIBAUD 07600000
+#define IBSHIFT 16
+
/* c_lflag bits */
#define ISIG 0x00000080
#define ICANON 0x00000100
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index a37fd990bd55..4b5b1b244f86 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -634,6 +634,7 @@ setup_arch(char **cmdline_p)
/* Find our memory. */
setup_memory(kernel_end);
+ memblock_set_bottom_up(true);
/* First guess at cpu cache sizes. Do this before init_arch. */
determine_cpu_caches(cpu->type);
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index 74846553e3f1..d0b73371e985 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -144,14 +144,14 @@ setup_memory_node(int nid, void *kernel_end)
if (!nid && (node_max_pfn < end_kernel_pfn || node_min_pfn > start_kernel_pfn))
panic("kernel loaded out of ram");
+ memblock_add(PFN_PHYS(node_min_pfn),
+ (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
+
/* Zone start phys-addr must be 2^(MAX_ORDER-1) aligned.
Note that we round this down, not up - node memory
has much larger alignment than 8Mb, so it's safe. */
node_min_pfn &= ~((1UL << (MAX_ORDER-1))-1);
- memblock_add(PFN_PHYS(node_min_pfn),
- (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
-
NODE_DATA(nid)->node_start_pfn = node_min_pfn;
NODE_DATA(nid)->node_present_pages = node_max_pfn - node_min_pfn;
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index c9e2a1323536..6dd783557330 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -109,7 +109,7 @@ endmenu
choice
prompt "ARC Instruction Set"
- default ISA_ARCOMPACT
+ default ISA_ARCV2
config ISA_ARCOMPACT
bool "ARCompact ISA"
@@ -176,13 +176,11 @@ endchoice
config CPU_BIG_ENDIAN
bool "Enable Big Endian Mode"
- default n
help
Build kernel for Big Endian Mode of ARC CPU
config SMP
bool "Symmetric Multi-Processing"
- default n
select ARC_MCIP if ISA_ARCV2
help
This enables support for systems with more than one CPU.
@@ -254,7 +252,6 @@ config ARC_CACHE_PAGES
config ARC_CACHE_VIPT_ALIASING
bool "Support VIPT Aliasing D$"
depends on ARC_HAS_DCACHE && ISA_ARCOMPACT
- default n
endif #ARC_CACHE
@@ -262,7 +259,6 @@ config ARC_HAS_ICCM
bool "Use ICCM"
help
Single Cycle RAMS to store Fast Path Code
- default n
config ARC_ICCM_SZ
int "ICCM Size in KB"
@@ -273,7 +269,6 @@ config ARC_HAS_DCCM
bool "Use DCCM"
help
Single Cycle RAMS to store Fast Path Data
- default n
config ARC_DCCM_SZ
int "DCCM Size in KB"
@@ -366,13 +361,11 @@ if ISA_ARCOMPACT
config ARC_COMPACT_IRQ_LEVELS
bool "Setup Timer IRQ as high Priority"
- default n
# if SMP, LV2 enabled ONLY if ARC implementation has LV2 re-entrancy
depends on !SMP
config ARC_FPU_SAVE_RESTORE
bool "Enable FPU state persistence across context switch"
- default n
help
Double Precision Floating Point unit had dedicated regs which
need to be saved/restored across context-switch.
@@ -453,7 +446,6 @@ config HIGHMEM
config ARC_HAS_PAE40
bool "Support for the 40-bit Physical Address Extension"
- default n
depends on ISA_ARCV2
select HIGHMEM
select PHYS_ADDR_T_64BIT
@@ -496,7 +488,6 @@ config HZ
config ARC_METAWARE_HLINK
bool "Support for Metaware debugger assisted Host access"
- default n
help
This options allows a Linux userland apps to directly access
host file system (open/creat/read/write etc) with help from
@@ -524,13 +515,11 @@ config ARC_DW2_UNWIND
config ARC_DBG_TLB_PARANOIA
bool "Paranoia Checks in Low Level TLB Handlers"
- default n
endif
config ARC_UBOOT_SUPPORT
bool "Support uboot arg Handling"
- default n
help
ARC Linux by default checks for uboot provided args as pointers to
external cmdline or DTB. This however breaks in absence of uboot,
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index c64c505d966c..df00578c279d 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -6,7 +6,7 @@
# published by the Free Software Foundation.
#
-KBUILD_DEFCONFIG := nsim_700_defconfig
+KBUILD_DEFCONFIG := nsim_hs_defconfig
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index ef149f59929a..43f17b51ee89 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -222,6 +222,21 @@
bus-width = <4>;
dma-coherent;
};
+
+ gpio: gpio@3000 {
+ compatible = "snps,dw-apb-gpio";
+ reg = <0x3000 0x20>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio_port_a: gpio-controller@0 {
+ compatible = "snps,dw-apb-gpio-port";
+ gpio-controller;
+ #gpio-cells = <2>;
+ snps,nr-gpios = <24>;
+ reg = <0>;
+ };
+ };
};
memory@80000000 {
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index 41bc08be6a3b..020d4493edfd 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -14,6 +14,7 @@ CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_SLUB_DEBUG is not set
# CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
@@ -95,6 +96,7 @@ CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index 1e1c4a8011b5..666314fffc60 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -94,6 +94,7 @@ CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index 6b0c0cfd5c30..429832b8560b 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -97,6 +97,7 @@ CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 1dec2b4bc5e6..87b23b7fb781 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -45,6 +45,9 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_DW=y
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_DWAPB=y
# CONFIG_HWMON is not set
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
@@ -65,6 +68,7 @@ CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/nps_defconfig b/arch/arc/configs/nps_defconfig
index 31ba224bbfb4..6e84060e7c90 100644
--- a/arch/arc/configs/nps_defconfig
+++ b/arch/arc/configs/nps_defconfig
@@ -15,6 +15,7 @@ CONFIG_SYSCTL_SYSCALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
CONFIG_KPROBES=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
@@ -73,6 +74,7 @@ CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_ROOT_NFS=y
CONFIG_DEBUG_INFO=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index 8e0b8b134cd9..219c2a65294b 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -15,6 +15,7 @@ CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_SLUB_DEBUG is not set
# CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
CONFIG_KPROBES=y
CONFIG_MODULES=y
# CONFIG_LBDAF is not set
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index f14eeff7d308..35dfc6491a09 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -15,6 +15,7 @@ CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_SLUB_DEBUG is not set
# CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
CONFIG_KPROBES=y
CONFIG_MODULES=y
# CONFIG_LBDAF is not set
@@ -66,5 +67,6 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index 025298a48305..1638e5bc9672 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -65,5 +65,6 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index df7b77b13b82..11cfbdb0f441 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -76,6 +76,7 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FTRACE=y
diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
index a7f65313f84a..e71ade3cf9c8 100644
--- a/arch/arc/configs/tb10x_defconfig
+++ b/arch/arc/configs/tb10x_defconfig
@@ -19,6 +19,7 @@ CONFIG_KALLSYMS_ALL=y
# CONFIG_AIO is not set
CONFIG_EMBEDDED=y
# CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig
index db47c3541f15..1e59a2e9c602 100644
--- a/arch/arc/configs/vdk_hs38_defconfig
+++ b/arch/arc/configs/vdk_hs38_defconfig
@@ -85,6 +85,7 @@ CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
index a8ac5e917d9a..b5c3f6c54b03 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -90,6 +90,7 @@ CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index ff7d3232764a..f393b663413e 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -113,7 +113,9 @@ extern unsigned long perip_base, perip_end;
/* IO coherency related Auxiliary registers */
#define ARC_REG_IO_COH_ENABLE 0x500
+#define ARC_IO_COH_ENABLE_BIT BIT(0)
#define ARC_REG_IO_COH_PARTIAL 0x501
+#define ARC_IO_COH_PARTIAL_BIT BIT(0)
#define ARC_REG_IO_COH_AP0_BASE 0x508
#define ARC_REG_IO_COH_AP0_SIZE 0x509
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index c22b181e8206..2f39d9b3886e 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/page.h>
+#include <asm/unaligned.h>
#ifdef CONFIG_ISA_ARCV2
#include <asm/barrier.h>
@@ -94,6 +95,42 @@ static inline u32 __raw_readl(const volatile void __iomem *addr)
return w;
}
+/*
+ * {read,write}s{b,w,l}() repeatedly access the same IO address in
+ * native endianness in 8-, 16-, 32-bit chunks {into,from} memory,
+ * @count times
+ */
+#define __raw_readsx(t,f) \
+static inline void __raw_reads##f(const volatile void __iomem *addr, \
+ void *ptr, unsigned int count) \
+{ \
+ bool is_aligned = ((unsigned long)ptr % ((t) / 8)) == 0; \
+ u##t *buf = ptr; \
+ \
+ if (!count) \
+ return; \
+ \
+ /* Some ARC CPU's don't support unaligned accesses */ \
+ if (is_aligned) { \
+ do { \
+ u##t x = __raw_read##f(addr); \
+ *buf++ = x; \
+ } while (--count); \
+ } else { \
+ do { \
+ u##t x = __raw_read##f(addr); \
+ put_unaligned(x, buf++); \
+ } while (--count); \
+ } \
+}
+
+#define __raw_readsb __raw_readsb
+__raw_readsx(8, b)
+#define __raw_readsw __raw_readsw
+__raw_readsx(16, w)
+#define __raw_readsl __raw_readsl
+__raw_readsx(32, l)
+
#define __raw_writeb __raw_writeb
static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
{
@@ -126,6 +163,35 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr)
}
+#define __raw_writesx(t,f) \
+static inline void __raw_writes##f(volatile void __iomem *addr, \
+ const void *ptr, unsigned int count) \
+{ \
+ bool is_aligned = ((unsigned long)ptr % ((t) / 8)) == 0; \
+ const u##t *buf = ptr; \
+ \
+ if (!count) \
+ return; \
+ \
+ /* Some ARC CPU's don't support unaligned accesses */ \
+ if (is_aligned) { \
+ do { \
+ __raw_write##f(*buf++, addr); \
+ } while (--count); \
+ } else { \
+ do { \
+ __raw_write##f(get_unaligned(buf++), addr); \
+ } while (--count); \
+ } \
+}
+
+#define __raw_writesb __raw_writesb
+__raw_writesx(8, b)
+#define __raw_writesw __raw_writesw
+__raw_writesx(16, w)
+#define __raw_writesl __raw_writesl
+__raw_writesx(32, l)
+
/*
* MMIO can also get buffered/optimized in micro-arch, so barriers needed
* Based on ARM model for the typical use case
@@ -141,10 +207,16 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr)
#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; })
#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; })
#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; })
+#define readsb(p,d,l) ({ __raw_readsb(p,d,l); __iormb(); })
+#define readsw(p,d,l) ({ __raw_readsw(p,d,l); __iormb(); })
+#define readsl(p,d,l) ({ __raw_readsl(p,d,l); __iormb(); })
#define writeb(v,c) ({ __iowmb(); writeb_relaxed(v,c); })
#define writew(v,c) ({ __iowmb(); writew_relaxed(v,c); })
#define writel(v,c) ({ __iowmb(); writel_relaxed(v,c); })
+#define writesb(p,d,l) ({ __iowmb(); __raw_writesb(p,d,l); })
+#define writesw(p,d,l) ({ __iowmb(); __raw_writesw(p,d,l); })
+#define writesl(p,d,l) ({ __iowmb(); __raw_writesl(p,d,l); })
/*
* Relaxed API for drivers which can handle barrier ordering themselves
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index b2cae79a25d7..eea8c5ce6335 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -243,7 +243,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
{
struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id];
struct bcr_identity *core = &cpu->core;
- int i, n = 0;
+ int i, n = 0, ua = 0;
FIX_PTR(cpu);
@@ -263,10 +263,13 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
IS_AVAIL2(cpu->extn.rtc, "RTC [UP 64-bit] ", CONFIG_ARC_TIMERS_64BIT),
IS_AVAIL2(cpu->extn.gfrc, "GFRC [SMP 64-bit] ", CONFIG_ARC_TIMERS_64BIT));
- n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s",
+#ifdef __ARC_UNALIGNED__
+ ua = 1;
+#endif
+ n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s%s",
IS_AVAIL2(cpu->isa.atomic, "atomic ", CONFIG_ARC_HAS_LLSC),
IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64),
- IS_AVAIL1(cpu->isa.unalign, "unalign (not used)"));
+ IS_AVAIL1(cpu->isa.unalign, "unalign "), IS_USED_RUN(ua));
if (i)
n += scnprintf(buf + n, len - n, "\n\t\t: ");
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index f2701c13a66b..cf9619d4efb4 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -1145,6 +1145,20 @@ noinline void __init arc_ioc_setup(void)
unsigned int ioc_base, mem_sz;
/*
+ * If IOC was already enabled (due to bootloader) it technically needs to
+ * be reconfigured with aperture base,size corresponding to Linux memory map
+ * which will certainly be different than uboot's. But disabling and
+ * reenabling IOC when DMA might be potentially active is tricky business.
+ * To avoid random memory issues later, just panic here and ask user to
+ * upgrade bootloader to one which doesn't enable IOC
+ */
+ if (read_aux_reg(ARC_REG_IO_COH_ENABLE) & ARC_IO_COH_ENABLE_BIT)
+ panic("IOC already enabled, please upgrade bootloader!\n");
+
+ if (!ioc_enable)
+ return;
+
+ /*
* As for today we don't support both IOC and ZONE_HIGHMEM enabled
* simultaneously. This happens because as of today IOC aperture covers
* only ZONE_NORMAL (low mem) and any dma transactions outside this
@@ -1187,8 +1201,8 @@ noinline void __init arc_ioc_setup(void)
panic("IOC Aperture start must be aligned to the size of the aperture");
write_aux_reg(ARC_REG_IO_COH_AP0_BASE, ioc_base >> 12);
- write_aux_reg(ARC_REG_IO_COH_PARTIAL, 1);
- write_aux_reg(ARC_REG_IO_COH_ENABLE, 1);
+ write_aux_reg(ARC_REG_IO_COH_PARTIAL, ARC_IO_COH_PARTIAL_BIT);
+ write_aux_reg(ARC_REG_IO_COH_ENABLE, ARC_IO_COH_ENABLE_BIT);
/* Re-enable L1 dcache */
__dc_enable();
@@ -1265,7 +1279,7 @@ void __init arc_cache_init_master(void)
if (is_isa_arcv2() && l2_line_sz && !slc_enable)
arc_slc_disable();
- if (is_isa_arcv2() && ioc_enable)
+ if (is_isa_arcv2() && ioc_exists)
arc_ioc_setup();
if (is_isa_arcv2() && l2_line_sz && slc_enable) {
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index c9da6102eb4f..e2d9fc3fea01 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -66,7 +66,7 @@ void do_page_fault(unsigned long address, struct pt_regs *regs)
struct vm_area_struct *vma = NULL;
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
- int si_code;
+ int si_code = 0;
int ret;
vm_fault_t fault;
int write = regs->ecr_cause & ECR_C_PROTV_STORE; /* ST/EX */
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index d4d33cd7adad..1e2bb68231ad 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -228,7 +228,7 @@
vmmc-supply = <&vmmc_fixed>;
bus-width = <4>;
wp-gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>; /* gpio_126 */
- cd-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>; /* gpio_127 */
+ cd-gpios = <&gpio4 31 GPIO_ACTIVE_LOW>; /* gpio_127 */
};
&mmc3 {
diff --git a/arch/arm/boot/dts/am3517-som.dtsi b/arch/arm/boot/dts/am3517-som.dtsi
index dae6e458e59f..b1c988eed87c 100644
--- a/arch/arm/boot/dts/am3517-som.dtsi
+++ b/arch/arm/boot/dts/am3517-som.dtsi
@@ -163,7 +163,7 @@
compatible = "ti,wl1271";
reg = <2>;
interrupt-parent = <&gpio6>;
- interrupts = <10 IRQ_TYPE_LEVEL_HIGH>; /* gpio_170 */
+ interrupts = <10 IRQ_TYPE_EDGE_RISING>; /* gpio_170 */
ref-clock-frequency = <26000000>;
tcxo-clock-frequency = <26000000>;
};
diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
index f2a1d25eb6cf..83e0fbc4a1a1 100644
--- a/arch/arm/boot/dts/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
@@ -45,7 +45,7 @@
};
/* The voltage to the MMC card is hardwired at 3.3V */
- vmmc: fixedregulator@0 {
+ vmmc: regulator-vmmc {
compatible = "regulator-fixed";
regulator-name = "vmmc";
regulator-min-microvolt = <3300000>;
@@ -53,7 +53,7 @@
regulator-boot-on;
};
- veth: fixedregulator@0 {
+ veth: regulator-veth {
compatible = "regulator-fixed";
regulator-name = "veth";
regulator-min-microvolt = <3300000>;
diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts
index 7f9cbdf33a51..2f6aa24a0b67 100644
--- a/arch/arm/boot/dts/arm-realview-pb11mp.dts
+++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts
@@ -145,7 +145,7 @@
};
/* The voltage to the MMC card is hardwired at 3.3V */
- vmmc: fixedregulator@0 {
+ vmmc: regulator-vmmc {
compatible = "regulator-fixed";
regulator-name = "vmmc";
regulator-min-microvolt = <3300000>;
@@ -153,7 +153,7 @@
regulator-boot-on;
};
- veth: fixedregulator@0 {
+ veth: regulator-veth {
compatible = "regulator-fixed";
regulator-name = "veth";
regulator-min-microvolt = <3300000>;
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
index 4adb85e66be3..93762244be7f 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
@@ -31,7 +31,7 @@
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
- reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
};
};
diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index c318bcbc6ba7..89e6fd547c75 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -26,7 +26,7 @@
wifi_pwrseq: wifi-pwrseq {
compatible = "mmc-pwrseq-simple";
- reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
};
};
diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts
index e45a15ceb94b..69d753cac89a 100644
--- a/arch/arm/boot/dts/imx51-zii-rdu1.dts
+++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts
@@ -492,12 +492,6 @@
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
- eeprom@50 {
- compatible = "atmel,24c04";
- pagesize = <16>;
- reg = <0x50>;
- };
-
hpa1: amp@60 {
compatible = "ti,tpa6130a2";
reg = <0x60>;
diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
index b560ff88459b..5ff9a179c83c 100644
--- a/arch/arm/boot/dts/imx53-ppd.dts
+++ b/arch/arm/boot/dts/imx53-ppd.dts
@@ -55,7 +55,7 @@
};
chosen {
- stdout-path = "&uart1:115200n8";
+ stdout-path = "serial0:115200n8";
};
memory@70000000 {
diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi
index ed9a980bce85..beefa1b2049d 100644
--- a/arch/arm/boot/dts/imx6sll.dtsi
+++ b/arch/arm/boot/dts/imx6sll.dtsi
@@ -740,7 +740,7 @@
i2c1: i2c@21a0000 {
#address-cells = <1>;
#size-cells = <0>;
- compatible = "fs,imx6sll-i2c", "fsl,imx21-i2c";
+ compatible = "fsl,imx6sll-i2c", "fsl,imx21-i2c";
reg = <0x021a0000 0x4000>;
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6SLL_CLK_I2C1>;
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index 53b3408b5fab..7d7d679945d2 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -117,7 +117,9 @@
regulator-name = "enet_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ gpio = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ regulator-boot-on;
+ regulator-always-on;
};
reg_pcie_gpio: regulator-pcie-gpio {
@@ -180,6 +182,7 @@
phy-supply = <&reg_enet_3v3>;
phy-mode = "rgmii";
phy-handle = <&ethphy1>;
+ phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
status = "okay";
mdio {
@@ -373,6 +376,8 @@
MX6SX_PAD_RGMII1_RD3__ENET1_RX_DATA_3 0x3081
MX6SX_PAD_RGMII1_RX_CTL__ENET1_RX_EN 0x3081
MX6SX_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M 0x91
+ /* phy reset */
+ MX6SX_PAD_ENET2_CRS__GPIO2_IO_7 0x10b0
>;
};
diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts
index d8aac4a2d02a..177d21fdeb28 100644
--- a/arch/arm/boot/dts/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts
@@ -86,13 +86,17 @@
compatible = "regulator-fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
- clock-names = "slow";
regulator-name = "reg_wlan";
startup-delay-us = <70000>;
gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ usdhc2_pwrseq: usdhc2_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
+ clock-names = "ext_clock";
+ };
};
&adc1 {
@@ -375,6 +379,7 @@
bus-width = <4>;
non-removable;
vmmc-supply = <&reg_wlan>;
+ mmc-pwrseq = <&usdhc2_pwrseq>;
cap-power-off-card;
keep-power-in-suspend;
status = "okay";
diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
index 21973eb55671..f27b3849d3ff 100644
--- a/arch/arm/boot/dts/imx7d-pico.dtsi
+++ b/arch/arm/boot/dts/imx7d-pico.dtsi
@@ -100,6 +100,19 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
+
+ usdhc2_pwrseq: usdhc2_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
+ clock-names = "ext_clock";
+ };
+};
+
+&clks {
+ assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
+ <&clks IMX7D_CLKO2_ROOT_DIV>;
+ assigned-clock-parents = <&clks IMX7D_CKIL>;
+ assigned-clock-rates = <0>, <32768>;
};
&i2c4 {
@@ -199,12 +212,13 @@
&usdhc2 { /* Wifi SDIO */
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_wifi_clk>;
no-1-8-v;
non-removable;
keep-power-in-suspend;
wakeup-source;
vmmc-supply = <&reg_ap6212>;
+ mmc-pwrseq = <&usdhc2_pwrseq>;
status = "okay";
};
@@ -301,6 +315,12 @@
};
&iomuxc_lpsr {
+ pinctrl_wifi_clk: wificlkgrp {
+ fsl,pins = <
+ MX7D_PAD_LPSR_GPIO1_IO03__CCM_CLKO2 0x7d
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B 0x74
diff --git a/arch/arm/boot/dts/logicpd-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi
index ac343330d0c8..98b682a8080c 100644
--- a/arch/arm/boot/dts/logicpd-som-lv.dtsi
+++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi
@@ -129,7 +129,7 @@
};
&mmc3 {
- interrupts-extended = <&intc 94 &omap3_pmx_core2 0x46>;
+ interrupts-extended = <&intc 94 &omap3_pmx_core 0x136>;
pinctrl-0 = <&mmc3_pins &wl127x_gpio>;
pinctrl-names = "default";
vmmc-supply = <&wl12xx_vmmc>;
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 9d5d53fbe9c0..c39cf2ca54da 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -35,7 +35,7 @@
* jumpering combinations for the long run.
*/
&mmc3 {
- interrupts-extended = <&intc 94 &omap3_pmx_core2 0x46>;
+ interrupts-extended = <&intc 94 &omap3_pmx_core 0x136>;
pinctrl-0 = <&mmc3_pins &mmc3_core2_pins>;
pinctrl-names = "default";
vmmc-supply = <&wl12xx_vmmc>;
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 2075120cfc4d..d8bf939a3aff 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -10,7 +10,11 @@
#include "rk3288.dtsi"
/ {
- memory@0 {
+ /*
+ * The default coreboot on veyron devices ignores memory@0 nodes
+ * and would instead create another memory node.
+ */
+ memory {
device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>;
};
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 843052f14f1c..dd0dda6ed44b 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -314,7 +314,7 @@
0x1 0x0 0x60000000 0x10000000
0x2 0x0 0x70000000 0x10000000
0x3 0x0 0x80000000 0x10000000>;
- clocks = <&mck>;
+ clocks = <&h32ck>;
status = "disabled";
nand_controller: nand-controller {
diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index 742d2946b08b..583a5a01642f 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -314,8 +314,8 @@
&reg_dldo3 {
regulator-always-on;
- regulator-min-microvolt = <2500000>;
- regulator-max-microvolt = <2500000>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
regulator-name = "vcc-pd";
};
diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts b/arch/arm/boot/dts/vf610m4-colibri.dts
index 41ec66a96990..ca6249558760 100644
--- a/arch/arm/boot/dts/vf610m4-colibri.dts
+++ b/arch/arm/boot/dts/vf610m4-colibri.dts
@@ -50,8 +50,8 @@
compatible = "fsl,vf610m4";
chosen {
- bootargs = "console=ttyLP2,115200 clk_ignore_unused init=/linuxrc rw";
- stdout-path = "&uart2";
+ bootargs = "clk_ignore_unused init=/linuxrc rw";
+ stdout-path = "serial2:115200";
};
memory@8c000000 {
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 1c7616815a86..63af6234c1b6 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
-CONFIG_PREEMPT=y
CONFIG_CGROUPS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index 0d289240b6ca..775cac3c02bb 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -111,6 +111,7 @@
#include <linux/kernel.h>
extern unsigned int processor_id;
+struct proc_info_list *lookup_processor(u32 midr);
#ifdef CONFIG_CPU_CP15
#define read_cpuid(reg) \
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 92fd2c8a9af0..12659ce5c1f3 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -10,7 +10,7 @@
#ifndef _ASM_PGTABLE_2LEVEL_H
#define _ASM_PGTABLE_2LEVEL_H
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
/*
* Hardware-wise, we have a two level page table structure, where the first
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index e25f4392e1b2..e1b6f280ab08 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -23,7 +23,7 @@ struct mm_struct;
/*
* Don't change this structure - ASM code relies on it.
*/
-extern struct processor {
+struct processor {
/* MISC
* get data abort address/flags
*/
@@ -79,9 +79,13 @@ extern struct processor {
unsigned int suspend_size;
void (*do_suspend)(void *);
void (*do_resume)(void *);
-} processor;
+};
#ifndef MULTI_CPU
+static inline void init_proc_vtable(const struct processor *p)
+{
+}
+
extern void cpu_proc_init(void);
extern void cpu_proc_fin(void);
extern int cpu_do_idle(void);
@@ -98,17 +102,50 @@ extern void cpu_reset(unsigned long addr, bool hvc) __attribute__((noreturn));
extern void cpu_do_suspend(void *);
extern void cpu_do_resume(void *);
#else
-#define cpu_proc_init processor._proc_init
-#define cpu_proc_fin processor._proc_fin
-#define cpu_reset processor.reset
-#define cpu_do_idle processor._do_idle
-#define cpu_dcache_clean_area processor.dcache_clean_area
-#define cpu_set_pte_ext processor.set_pte_ext
-#define cpu_do_switch_mm processor.switch_mm
-/* These three are private to arch/arm/kernel/suspend.c */
-#define cpu_do_suspend processor.do_suspend
-#define cpu_do_resume processor.do_resume
+extern struct processor processor;
+#if defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+#include <linux/smp.h>
+/*
+ * This can't be a per-cpu variable because we need to access it before
+ * per-cpu has been initialised. We have a couple of functions that are
+ * called in a pre-emptible context, and so can't use smp_processor_id()
+ * there, hence PROC_TABLE(). We insist in init_proc_vtable() that the
+ * function pointers for these are identical across all CPUs.
+ */
+extern struct processor *cpu_vtable[];
+#define PROC_VTABLE(f) cpu_vtable[smp_processor_id()]->f
+#define PROC_TABLE(f) cpu_vtable[0]->f
+static inline void init_proc_vtable(const struct processor *p)
+{
+ unsigned int cpu = smp_processor_id();
+ *cpu_vtable[cpu] = *p;
+ WARN_ON_ONCE(cpu_vtable[cpu]->dcache_clean_area !=
+ cpu_vtable[0]->dcache_clean_area);
+ WARN_ON_ONCE(cpu_vtable[cpu]->set_pte_ext !=
+ cpu_vtable[0]->set_pte_ext);
+}
+#else
+#define PROC_VTABLE(f) processor.f
+#define PROC_TABLE(f) processor.f
+static inline void init_proc_vtable(const struct processor *p)
+{
+ processor = *p;
+}
+#endif
+
+#define cpu_proc_init PROC_VTABLE(_proc_init)
+#define cpu_check_bugs PROC_VTABLE(check_bugs)
+#define cpu_proc_fin PROC_VTABLE(_proc_fin)
+#define cpu_reset PROC_VTABLE(reset)
+#define cpu_do_idle PROC_VTABLE(_do_idle)
+#define cpu_dcache_clean_area PROC_TABLE(dcache_clean_area)
+#define cpu_set_pte_ext PROC_TABLE(set_pte_ext)
+#define cpu_do_switch_mm PROC_VTABLE(switch_mm)
+
+/* These two are private to arch/arm/kernel/suspend.c */
+#define cpu_do_suspend PROC_VTABLE(do_suspend)
+#define cpu_do_resume PROC_VTABLE(do_resume)
#endif
extern void cpu_resume(void);
diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c
index 7be511310191..d41d3598e5e5 100644
--- a/arch/arm/kernel/bugs.c
+++ b/arch/arm/kernel/bugs.c
@@ -6,8 +6,8 @@
void check_other_bugs(void)
{
#ifdef MULTI_CPU
- if (processor.check_bugs)
- processor.check_bugs();
+ if (cpu_check_bugs)
+ cpu_check_bugs();
#endif
}
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 0142fcfcc3d3..bda949fd84e8 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -183,9 +183,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
unsigned long frame_pointer)
{
unsigned long return_hooker = (unsigned long) &return_to_handler;
- struct ftrace_graph_ent trace;
unsigned long old;
- int err;
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
@@ -193,21 +191,8 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
old = *parent;
*parent = return_hooker;
- trace.func = self_addr;
- trace.depth = current->curr_ret_stack + 1;
-
- /* Only trace if the calling function expects to */
- if (!ftrace_graph_entry(&trace)) {
+ if (function_graph_enter(old, self_addr, frame_pointer, NULL))
*parent = old;
- return;
- }
-
- err = ftrace_push_return_trace(old, self_addr, &trace.depth,
- frame_pointer, NULL);
- if (err == -EBUSY) {
- *parent = old;
- return;
- }
}
#ifdef CONFIG_DYNAMIC_FTRACE
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 6e0375e7db05..997b02302c31 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -145,6 +145,9 @@ __mmap_switched_data:
#endif
.size __mmap_switched_data, . - __mmap_switched_data
+ __FINIT
+ .text
+
/*
* This provides a C-API version of __lookup_processor_type
*/
@@ -156,9 +159,6 @@ ENTRY(lookup_processor_type)
ldmfd sp!, {r4 - r6, r9, pc}
ENDPROC(lookup_processor_type)
- __FINIT
- .text
-
/*
* Read processor ID register (CP#15, CR0), and look up in the linker-built
* supported processor list. Note that we can't use the absolute addresses
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index ac7e08886863..375b13f7e780 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -114,6 +114,11 @@ EXPORT_SYMBOL(elf_hwcap2);
#ifdef MULTI_CPU
struct processor processor __ro_after_init;
+#if defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+struct processor *cpu_vtable[NR_CPUS] = {
+ [0] = &processor,
+};
+#endif
#endif
#ifdef MULTI_TLB
struct cpu_tlb_fns cpu_tlb __ro_after_init;
@@ -666,28 +671,33 @@ static void __init smp_build_mpidr_hash(void)
}
#endif
-static void __init setup_processor(void)
+/*
+ * locate processor in the list of supported processor types. The linker
+ * builds this table for us from the entries in arch/arm/mm/proc-*.S
+ */
+struct proc_info_list *lookup_processor(u32 midr)
{
- struct proc_info_list *list;
+ struct proc_info_list *list = lookup_processor_type(midr);
- /*
- * locate processor in the list of supported processor
- * types. The linker builds this table for us from the
- * entries in arch/arm/mm/proc-*.S
- */
- list = lookup_processor_type(read_cpuid_id());
if (!list) {
- pr_err("CPU configuration botched (ID %08x), unable to continue.\n",
- read_cpuid_id());
- while (1);
+ pr_err("CPU%u: configuration botched (ID %08x), CPU halted\n",
+ smp_processor_id(), midr);
+ while (1)
+ /* can't use cpu_relax() here as it may require MMU setup */;
}
+ return list;
+}
+
+static void __init setup_processor(void)
+{
+ unsigned int midr = read_cpuid_id();
+ struct proc_info_list *list = lookup_processor(midr);
+
cpu_name = list->cpu_name;
__cpu_architecture = __get_cpu_architecture();
-#ifdef MULTI_CPU
- processor = *list->proc;
-#endif
+ init_proc_vtable(list->proc);
#ifdef MULTI_TLB
cpu_tlb = *list->tlb;
#endif
@@ -699,7 +709,7 @@ static void __init setup_processor(void)
#endif
pr_info("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
- cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
+ list->cpu_name, midr, midr & 15,
proc_arch[cpu_architecture()], get_cr());
snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 0978282d5fc2..12a6172263c0 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -42,6 +42,7 @@
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
+#include <asm/procinfo.h>
#include <asm/processor.h>
#include <asm/sections.h>
#include <asm/tlbflush.h>
@@ -102,6 +103,30 @@ static unsigned long get_arch_pgd(pgd_t *pgd)
#endif
}
+#if defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+static int secondary_biglittle_prepare(unsigned int cpu)
+{
+ if (!cpu_vtable[cpu])
+ cpu_vtable[cpu] = kzalloc(sizeof(*cpu_vtable[cpu]), GFP_KERNEL);
+
+ return cpu_vtable[cpu] ? 0 : -ENOMEM;
+}
+
+static void secondary_biglittle_init(void)
+{
+ init_proc_vtable(lookup_processor(read_cpuid_id())->proc);
+}
+#else
+static int secondary_biglittle_prepare(unsigned int cpu)
+{
+ return 0;
+}
+
+static void secondary_biglittle_init(void)
+{
+}
+#endif
+
int __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
@@ -109,6 +134,10 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
if (!smp_ops.smp_boot_secondary)
return -ENOSYS;
+ ret = secondary_biglittle_prepare(cpu);
+ if (ret)
+ return ret;
+
/*
* We need to tell the secondary core where to find
* its stack and the page tables.
@@ -359,6 +388,8 @@ asmlinkage void secondary_start_kernel(void)
struct mm_struct *mm = &init_mm;
unsigned int cpu;
+ secondary_biglittle_init();
+
/*
* The identity mapping is uncached (strongly ordered), so
* switch away from it before attempting any exclusive accesses.
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 0bc5bd2665df..2cc9fe4c3a91 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -759,7 +759,9 @@ static struct davinci_id da830_ids[] = {
};
static struct davinci_gpio_platform_data da830_gpio_platform_data = {
- .ngpio = 128,
+ .no_auto_base = true,
+ .base = 0,
+ .ngpio = 128,
};
int __init da830_register_gpio(void)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 4528bbf0c861..e7b78df2bfef 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -719,7 +719,9 @@ int __init da850_register_vpif_capture(struct vpif_capture_config
}
static struct davinci_gpio_platform_data da850_gpio_platform_data = {
- .ngpio = 144,
+ .no_auto_base = true,
+ .base = 0,
+ .ngpio = 144,
};
int __init da850_register_gpio(void)
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 1fd3619f6a09..cf78da5ab054 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -701,6 +701,46 @@ static struct resource da8xx_gpio_resources[] = {
},
{ /* interrupt */
.start = IRQ_DA8XX_GPIO0,
+ .end = IRQ_DA8XX_GPIO0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO1,
+ .end = IRQ_DA8XX_GPIO1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO2,
+ .end = IRQ_DA8XX_GPIO2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO3,
+ .end = IRQ_DA8XX_GPIO3,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO4,
+ .end = IRQ_DA8XX_GPIO4,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO5,
+ .end = IRQ_DA8XX_GPIO5,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO6,
+ .end = IRQ_DA8XX_GPIO6,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO7,
+ .end = IRQ_DA8XX_GPIO7,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_GPIO8,
.end = IRQ_DA8XX_GPIO8,
.flags = IORESOURCE_IRQ,
},
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 9f7d38d12c88..4c6e0bef4509 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -548,12 +548,44 @@ static struct resource dm355_gpio_resources[] = {
},
{ /* interrupt */
.start = IRQ_DM355_GPIOBNK0,
+ .end = IRQ_DM355_GPIOBNK0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK1,
+ .end = IRQ_DM355_GPIOBNK1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK2,
+ .end = IRQ_DM355_GPIOBNK2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK3,
+ .end = IRQ_DM355_GPIOBNK3,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK4,
+ .end = IRQ_DM355_GPIOBNK4,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK5,
+ .end = IRQ_DM355_GPIOBNK5,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM355_GPIOBNK6,
.end = IRQ_DM355_GPIOBNK6,
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 104,
};
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index abcf2a5ed89b..01fb2b0c82de 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -267,12 +267,49 @@ static struct resource dm365_gpio_resources[] = {
},
{ /* interrupt */
.start = IRQ_DM365_GPIO0,
+ .end = IRQ_DM365_GPIO0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO1,
+ .end = IRQ_DM365_GPIO1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO2,
+ .end = IRQ_DM365_GPIO2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO3,
+ .end = IRQ_DM365_GPIO3,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO4,
+ .end = IRQ_DM365_GPIO4,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO5,
+ .end = IRQ_DM365_GPIO5,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO6,
+ .end = IRQ_DM365_GPIO6,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_GPIO7,
.end = IRQ_DM365_GPIO7,
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm365_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 104,
.gpio_unbanked = 8,
};
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 0720da7809a6..38f92b7d413e 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -492,12 +492,34 @@ static struct resource dm644_gpio_resources[] = {
},
{ /* interrupt */
.start = IRQ_GPIOBNK0,
+ .end = IRQ_GPIOBNK0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_GPIOBNK1,
+ .end = IRQ_GPIOBNK1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_GPIOBNK2,
+ .end = IRQ_GPIOBNK2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_GPIOBNK3,
+ .end = IRQ_GPIOBNK3,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_GPIOBNK4,
.end = IRQ_GPIOBNK4,
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 71,
};
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 6bd2ed069d0d..7dc54b2a610f 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -442,12 +442,24 @@ static struct resource dm646x_gpio_resources[] = {
},
{ /* interrupt */
.start = IRQ_DM646X_GPIOBNK0,
+ .end = IRQ_DM646X_GPIOBNK0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM646X_GPIOBNK1,
+ .end = IRQ_DM646X_GPIOBNK1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM646X_GPIOBNK2,
.end = IRQ_DM646X_GPIOBNK2,
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 43,
};
diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c
index 243a108a940b..fd0053e47a15 100644
--- a/arch/arm/mach-imx/cpuidle-imx6sx.c
+++ b/arch/arm/mach-imx/cpuidle-imx6sx.c
@@ -110,7 +110,7 @@ int __init imx6sx_cpuidle_init(void)
* except for power up sw2iso which need to be
* larger than LDO ramp up time.
*/
- imx_gpc_set_arm_power_up_timing(2, 1);
+ imx_gpc_set_arm_power_up_timing(0xf, 1);
imx_gpc_set_arm_power_down_timing(1, 1);
return cpuidle_register(&imx6sx_cpuidle_driver, NULL);
diff --git a/arch/arm/mach-mmp/cputype.h b/arch/arm/mach-mmp/cputype.h
index 446edaeb78a7..a96abcf521b4 100644
--- a/arch/arm/mach-mmp/cputype.h
+++ b/arch/arm/mach-mmp/cputype.h
@@ -44,10 +44,12 @@ static inline int cpu_is_pxa910(void)
#define cpu_is_pxa910() (0)
#endif
-#ifdef CONFIG_CPU_MMP2
+#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT)
static inline int cpu_is_mmp2(void)
{
- return (((read_cpuid_id() >> 8) & 0xff) == 0x58);
+ return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
+ (((mmp_chip_id & 0xfff) == 0x410) ||
+ ((mmp_chip_id & 0xfff) == 0x610));
}
#else
#define cpu_is_mmp2() (0)
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 3d191fd52910..17886744dbe6 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -750,6 +750,9 @@ static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
struct modem_private_data *priv = port->private_data;
int ret;
+ if (!priv)
+ return;
+
if (IS_ERR(priv->regulator))
return;
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 9500b6e27380..f86b72d1d59e 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -209,11 +209,61 @@ static int __init omapdss_init_fbdev(void)
return 0;
}
-#else
-static inline int omapdss_init_fbdev(void)
+
+static const char * const omapdss_compat_names[] __initconst = {
+ "ti,omap2-dss",
+ "ti,omap3-dss",
+ "ti,omap4-dss",
+ "ti,omap5-dss",
+ "ti,dra7-dss",
+};
+
+static struct device_node * __init omapdss_find_dss_of_node(void)
{
- return 0;
+ struct device_node *node;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(omapdss_compat_names); ++i) {
+ node = of_find_compatible_node(NULL, NULL,
+ omapdss_compat_names[i]);
+ if (node)
+ return node;
+ }
+
+ return NULL;
}
+
+static int __init omapdss_init_of(void)
+{
+ int r;
+ struct device_node *node;
+ struct platform_device *pdev;
+
+ /* only create dss helper devices if dss is enabled in the .dts */
+
+ node = omapdss_find_dss_of_node();
+ if (!node)
+ return 0;
+
+ if (!of_device_is_available(node))
+ return 0;
+
+ pdev = of_find_device_by_node(node);
+
+ if (!pdev) {
+ pr_err("Unable to find DSS platform device\n");
+ return -ENODEV;
+ }
+
+ r = of_platform_populate(node, NULL, NULL, &pdev->dev);
+ if (r) {
+ pr_err("Unable to populate DSS submodule devices\n");
+ return r;
+ }
+
+ return omapdss_init_fbdev();
+}
+omap_device_initcall(omapdss_init_of);
#endif /* CONFIG_FB_OMAP2 */
static void dispc_disable_outputs(void)
@@ -361,58 +411,3 @@ int omap_dss_reset(struct omap_hwmod *oh)
return r;
}
-
-static const char * const omapdss_compat_names[] __initconst = {
- "ti,omap2-dss",
- "ti,omap3-dss",
- "ti,omap4-dss",
- "ti,omap5-dss",
- "ti,dra7-dss",
-};
-
-static struct device_node * __init omapdss_find_dss_of_node(void)
-{
- struct device_node *node;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(omapdss_compat_names); ++i) {
- node = of_find_compatible_node(NULL, NULL,
- omapdss_compat_names[i]);
- if (node)
- return node;
- }
-
- return NULL;
-}
-
-static int __init omapdss_init_of(void)
-{
- int r;
- struct device_node *node;
- struct platform_device *pdev;
-
- /* only create dss helper devices if dss is enabled in the .dts */
-
- node = omapdss_find_dss_of_node();
- if (!node)
- return 0;
-
- if (!of_device_is_available(node))
- return 0;
-
- pdev = of_find_device_by_node(node);
-
- if (!pdev) {
- pr_err("Unable to find DSS platform device\n");
- return -ENODEV;
- }
-
- r = of_platform_populate(node, NULL, NULL, &pdev->dev);
- if (r) {
- pr_err("Unable to populate DSS submodule devices\n");
- return r;
- }
-
- return omapdss_init_fbdev();
-}
-omap_device_initcall(omapdss_init_of);
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 7b95729e8359..38a1be6c3694 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -351,7 +351,7 @@ static void omap44xx_prm_reconfigure_io_chain(void)
* to occur, WAKEUPENABLE bits must be set in the pad mux registers, and
* omap44xx_prm_reconfigure_io_chain() must be called. No return value.
*/
-static void __init omap44xx_prm_enable_io_wakeup(void)
+static void omap44xx_prm_enable_io_wakeup(void)
{
s32 inst = omap4_prmst_get_prm_dev_inst();
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 215df435bfb9..2149b47a0c5a 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -360,14 +360,16 @@ v7_dma_inv_range:
ALT_UP(W(nop))
#endif
mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line
+ addne r0, r0, r2
tst r1, r3
bic r1, r1, r3
mcrne p15, 0, r1, c7, c14, 1 @ clean & invalidate D / U line
-1:
- mcr p15, 0, r0, c7, c6, 1 @ invalidate D / U line
- add r0, r0, r2
cmp r0, r1
+1:
+ mcrlo p15, 0, r0, c7, c6, 1 @ invalidate D / U line
+ addlo r0, r0, r2
+ cmplo r0, r1
blo 1b
dsb st
ret lr
diff --git a/arch/arm/mm/cache-v7m.S b/arch/arm/mm/cache-v7m.S
index 788486e830d3..32aa2a2aa260 100644
--- a/arch/arm/mm/cache-v7m.S
+++ b/arch/arm/mm/cache-v7m.S
@@ -73,9 +73,11 @@
/*
* dcimvac: Invalidate data cache line by MVA to PoC
*/
-.macro dcimvac, rt, tmp
- v7m_cacheop \rt, \tmp, V7M_SCB_DCIMVAC
+.irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
+.macro dcimvac\c, rt, tmp
+ v7m_cacheop \rt, \tmp, V7M_SCB_DCIMVAC, \c
.endm
+.endr
/*
* dccmvau: Clean data cache line by MVA to PoU
@@ -369,14 +371,16 @@ v7m_dma_inv_range:
tst r0, r3
bic r0, r0, r3
dccimvacne r0, r3
+ addne r0, r0, r2
subne r3, r2, #1 @ restore r3, corrupted by v7m's dccimvac
tst r1, r3
bic r1, r1, r3
dccimvacne r1, r3
-1:
- dcimvac r0, r3
- add r0, r0, r2
cmp r0, r1
+1:
+ dcimvaclo r0, r3
+ addlo r0, r0, r2
+ cmplo r0, r1
blo 1b
dsb st
ret lr
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 661fe48ab78d..78de138aa66d 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -829,7 +829,7 @@ static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs)
{
- int ret;
+ int ret = -ENXIO;
unsigned long nr_vma_pages = vma_pages(vma);
unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
unsigned long pfn = dma_to_pfn(dev, dma_addr);
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index 81d0efb055c6..19516fbc2c55 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -274,6 +274,13 @@
.endm
.macro define_processor_functions name:req, dabort:req, pabort:req, nommu=0, suspend=0, bugs=0
+/*
+ * If we are building for big.Little with branch predictor hardening,
+ * we need the processor function tables to remain available after boot.
+ */
+#if 1 // defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+ .section ".rodata"
+#endif
.type \name\()_processor_functions, #object
.align 2
ENTRY(\name\()_processor_functions)
@@ -309,6 +316,9 @@ ENTRY(\name\()_processor_functions)
.endif
.size \name\()_processor_functions, . - \name\()_processor_functions
+#if 1 // defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
+ .previous
+#endif
.endm
.macro define_cache_functions name:req
diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c
index 5544b82a2e7a..9a07916af8dd 100644
--- a/arch/arm/mm/proc-v7-bugs.c
+++ b/arch/arm/mm/proc-v7-bugs.c
@@ -52,8 +52,6 @@ static void cpu_v7_spectre_init(void)
case ARM_CPU_PART_CORTEX_A17:
case ARM_CPU_PART_CORTEX_A73:
case ARM_CPU_PART_CORTEX_A75:
- if (processor.switch_mm != cpu_v7_bpiall_switch_mm)
- goto bl_error;
per_cpu(harden_branch_predictor_fn, cpu) =
harden_branch_predictor_bpiall;
spectre_v2_method = "BPIALL";
@@ -61,8 +59,6 @@ static void cpu_v7_spectre_init(void)
case ARM_CPU_PART_CORTEX_A15:
case ARM_CPU_PART_BRAHMA_B15:
- if (processor.switch_mm != cpu_v7_iciallu_switch_mm)
- goto bl_error;
per_cpu(harden_branch_predictor_fn, cpu) =
harden_branch_predictor_iciallu;
spectre_v2_method = "ICIALLU";
@@ -88,11 +84,9 @@ static void cpu_v7_spectre_init(void)
ARM_SMCCC_ARCH_WORKAROUND_1, &res);
if ((int)res.a0 != 0)
break;
- if (processor.switch_mm != cpu_v7_hvc_switch_mm && cpu)
- goto bl_error;
per_cpu(harden_branch_predictor_fn, cpu) =
call_hvc_arch_workaround_1;
- processor.switch_mm = cpu_v7_hvc_switch_mm;
+ cpu_do_switch_mm = cpu_v7_hvc_switch_mm;
spectre_v2_method = "hypervisor";
break;
@@ -101,11 +95,9 @@ static void cpu_v7_spectre_init(void)
ARM_SMCCC_ARCH_WORKAROUND_1, &res);
if ((int)res.a0 != 0)
break;
- if (processor.switch_mm != cpu_v7_smc_switch_mm && cpu)
- goto bl_error;
per_cpu(harden_branch_predictor_fn, cpu) =
call_smc_arch_workaround_1;
- processor.switch_mm = cpu_v7_smc_switch_mm;
+ cpu_do_switch_mm = cpu_v7_smc_switch_mm;
spectre_v2_method = "firmware";
break;
@@ -119,11 +111,6 @@ static void cpu_v7_spectre_init(void)
if (spectre_v2_method)
pr_info("CPU%u: Spectre v2: using %s workaround\n",
smp_processor_id(), spectre_v2_method);
- return;
-
-bl_error:
- pr_err("CPU%u: Spectre v2: incorrect context switching function, system vulnerable\n",
- cpu);
}
#else
static void cpu_v7_spectre_init(void)
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 6fe52819e014..339eb17c9808 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -112,7 +112,7 @@ ENTRY(cpu_v7_hvc_switch_mm)
hvc #0
ldmfd sp!, {r0 - r3}
b cpu_v7_switch_mm
-ENDPROC(cpu_v7_smc_switch_mm)
+ENDPROC(cpu_v7_hvc_switch_mm)
#endif
ENTRY(cpu_v7_iciallu_switch_mm)
mov r3, #0
diff --git a/arch/arm/probes/kprobes/opt-arm.c b/arch/arm/probes/kprobes/opt-arm.c
index b2aa9b32bff2..2c118a6ab358 100644
--- a/arch/arm/probes/kprobes/opt-arm.c
+++ b/arch/arm/probes/kprobes/opt-arm.c
@@ -247,7 +247,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, struct kprobe *or
}
/* Copy arch-dep-instance from template. */
- memcpy(code, &optprobe_template_entry,
+ memcpy(code, (unsigned char *)optprobe_template_entry,
TMPL_END_IDX * sizeof(kprobe_opcode_t));
/* Adjust buffer according to instruction. */
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index aff6e6eadc70..ee7b07938dd5 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -573,7 +573,7 @@ int vfp_preserve_user_clear_hwstate(struct user_vfp *ufp,
*/
ufp_exc->fpexc = hwstate->fpexc;
ufp_exc->fpinst = hwstate->fpinst;
- ufp_exc->fpinst2 = ufp_exc->fpinst2;
+ ufp_exc->fpinst2 = hwstate->fpinst2;
/* Ensure that VFP is disabled. */
vfp_flush_hwstate(thread);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 787d7850e064..ea2ab0330e3a 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -497,6 +497,24 @@ config ARM64_ERRATUM_1188873
If unsure, say Y.
+config ARM64_ERRATUM_1286807
+ bool "Cortex-A76: Modification of the translation table for a virtual address might lead to read-after-read ordering violation"
+ default y
+ select ARM64_WORKAROUND_REPEAT_TLBI
+ help
+ This option adds workaround for ARM Cortex-A76 erratum 1286807
+
+ On the affected Cortex-A76 cores (r0p0 to r3p0), if a virtual
+ address for a cacheable mapping of a location is being
+ accessed by a core while another core is remapping the virtual
+ address to a new physical page using the recommended
+ break-before-make sequence, then under very rare circumstances
+ TLBI+DSB completes before a read using the translation being
+ invalidated has been observed by other observers. The
+ workaround repeats the TLBI+DSB operation.
+
+ If unsure, say Y.
+
config CAVIUM_ERRATUM_22375
bool "Cavium erratum 22375, 24313"
default y
@@ -566,9 +584,16 @@ config QCOM_FALKOR_ERRATUM_1003
is unchanged. Work around the erratum by invalidating the walk cache
entries for the trampoline before entering the kernel proper.
+config ARM64_WORKAROUND_REPEAT_TLBI
+ bool
+ help
+ Enable the repeat TLBI workaround for Falkor erratum 1009 and
+ Cortex-A76 erratum 1286807.
+
config QCOM_FALKOR_ERRATUM_1009
bool "Falkor E1009: Prematurely complete a DSB after a TLBI"
default y
+ select ARM64_WORKAROUND_REPEAT_TLBI
help
On Falkor v1, the CPU may prematurely complete a DSB following a
TLBI xxIS invalidate maintenance operation. Repeat the TLBI operation
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 8253a1a9e985..fef7351e9f67 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -139,6 +139,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
@@ -154,6 +155,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
@@ -169,6 +171,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi
index 64632c873888..01ea662afba8 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi
@@ -20,28 +20,24 @@
compatible = "arm,cortex-a72", "arm,armv8";
reg = <0x000>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
};
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a72", "arm,armv8";
reg = <0x001>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
};
cpu2: cpu@100 {
device_type = "cpu";
compatible = "arm,cortex-a72", "arm,armv8";
reg = <0x100>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
};
cpu3: cpu@101 {
device_type = "cpu";
compatible = "arm,cortex-a72", "arm,armv8";
reg = <0x101>;
enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
};
};
};
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index 073610ac0a53..7d94c1fa592a 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -28,33 +28,6 @@
method = "smc";
};
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
-
- idle_states {
- entry_method = "arm,pcsi";
-
- CPU_SLEEP_0: cpu-sleep-0 {
- compatible = "arm,idle-state";
- local-timer-stop;
- arm,psci-suspend-param = <0x0010000>;
- entry-latency-us = <80>;
- exit-latency-us = <160>;
- min-residency-us = <320>;
- };
-
- CLUSTER_SLEEP_0: cluster-sleep-0 {
- compatible = "arm,idle-state";
- local-timer-stop;
- arm,psci-suspend-param = <0x1010000>;
- entry-latency-us = <500>;
- exit-latency-us = <1000>;
- min-residency-us = <2500>;
- };
- };
- };
-
ap806 {
#address-cells = <2>;
#size-cells = <2>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index 5d6005c9b097..710c5c3d87d3 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -16,8 +16,13 @@
model = "Bananapi BPI-R64";
compatible = "bananapi,bpi-r64", "mediatek,mt7622";
+ aliases {
+ serial0 = &uart0;
+ };
+
chosen {
- bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512";
+ stdout-path = "serial0:115200n8";
+ bootargs = "earlycon=uart8250,mmio32,0x11002000 swiotlb=512";
};
cpus {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index dcad0869b84c..3f783348c66a 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -17,8 +17,13 @@
model = "MediaTek MT7622 RFB1 board";
compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622";
+ aliases {
+ serial0 = &uart0;
+ };
+
chosen {
- bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512";
+ stdout-path = "serial0:115200n8";
+ bootargs = "earlycon=uart8250,mmio32,0x11002000 swiotlb=512";
};
cpus {
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index fe0c875f1d95..14a1028ca3a6 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -227,16 +227,6 @@
#reset-cells = <1>;
};
- timer: timer@10004000 {
- compatible = "mediatek,mt7622-timer",
- "mediatek,mt6577-timer";
- reg = <0 0x10004000 0 0x80>;
- interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&infracfg CLK_INFRA_APXGPT_PD>,
- <&topckgen CLK_TOP_RTC>;
- clock-names = "system-clk", "rtc-clk";
- };
-
scpsys: scpsys@10006000 {
compatible = "mediatek,mt7622-scpsys",
"syscon";
diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index b4276da1fb0d..11fd1fe8bdb5 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -241,3 +241,7 @@
};
};
};
+
+&tlmm {
+ gpio-reserved-ranges = <0 4>, <81 4>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index eedfaf8922e2..b3def0358177 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
@@ -343,6 +343,12 @@
};
};
+&gcc {
+ protected-clocks = <GCC_QSPI_CORE_CLK>,
+ <GCC_QSPI_CORE_CLK_SRC>,
+ <GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
+};
+
&i2c10 {
status = "okay";
clock-frequency = <400000>;
@@ -352,6 +358,10 @@
status = "okay";
};
+&tlmm {
+ gpio-reserved-ranges = <0 4>, <81 4>;
+};
+
&uart9 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index b5f2273caca4..a79c8d369e0b 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -652,7 +652,7 @@
clock-names = "fck", "brg_int", "scif_clk";
dmas = <&dmac1 0x35>, <&dmac1 0x34>,
<&dmac2 0x35>, <&dmac2 0x34>;
- dma-names = "tx", "rx";
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 518>;
status = "disabled";
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index fe2e2c051cc9..5a7012be0d6a 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -15,7 +15,7 @@
aliases {
serial0 = &scif0;
- ethernet0 = &avb;
+ ethernet0 = &gether;
};
chosen {
@@ -97,23 +97,6 @@
};
};
-&avb {
- pinctrl-0 = <&avb_pins>;
- pinctrl-names = "default";
-
- phy-mode = "rgmii-id";
- phy-handle = <&phy0>;
- renesas,no-ether-link;
- status = "okay";
-
- phy0: ethernet-phy@0 {
- rxc-skew-ps = <1500>;
- reg = <0>;
- interrupt-parent = <&gpio1>;
- interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
- };
-};
-
&canfd {
pinctrl-0 = <&canfd0_pins>;
pinctrl-names = "default";
@@ -139,6 +122,23 @@
clock-frequency = <32768>;
};
+&gether {
+ pinctrl-0 = <&gether_pins>;
+ pinctrl-names = "default";
+
+ phy-mode = "rgmii-id";
+ phy-handle = <&phy0>;
+ renesas,no-ether-link;
+ status = "okay";
+
+ phy0: ethernet-phy@0 {
+ rxc-skew-ps = <1500>;
+ reg = <0>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
@@ -236,16 +236,17 @@
};
&pfc {
- avb_pins: avb {
- groups = "avb_mdio", "avb_rgmii";
- function = "avb";
- };
-
canfd0_pins: canfd0 {
groups = "canfd0_data_a";
function = "canfd0";
};
+ gether_pins: gether {
+ groups = "gether_mdio_a", "gether_rgmii",
+ "gether_txcrefclk", "gether_txcrefclk_mega";
+ function = "gether";
+ };
+
i2c0_pins: i2c0 {
groups = "i2c0";
function = "i2c0";
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index 2dceeea29b83..1e6a71066c16 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
@@ -153,7 +153,7 @@
};
&pcie0 {
- ep-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>;
+ ep-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
num-lanes = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_clkreqn_cpm>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
index 6c8c4ab044aa..56abbb08c133 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
@@ -57,18 +57,6 @@
regulator-always-on;
vin-supply = <&vcc_sys>;
};
-
- vdd_log: vdd-log {
- compatible = "pwm-regulator";
- pwms = <&pwm2 0 25000 0>;
- regulator-name = "vdd_log";
- regulator-min-microvolt = <800000>;
- regulator-max-microvolt = <1400000>;
- regulator-always-on;
- regulator-boot-on;
- vin-supply = <&vcc_sys>;
- };
-
};
&cpu_l0 {
diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
index affc3c309353..8d7b47f9dfbf 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
@@ -36,7 +36,7 @@
wkup_uart0: serial@42300000 {
compatible = "ti,am654-uart";
- reg = <0x00 0x42300000 0x00 0x100>;
+ reg = <0x42300000 0x100>;
reg-shift = <2>;
reg-io-width = <4>;
interrupts = <GIC_SPI 697 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm64/include/asm/ftrace.h b/arch/arm64/include/asm/ftrace.h
index caa955f10e19..fac54fb050d0 100644
--- a/arch/arm64/include/asm/ftrace.h
+++ b/arch/arm64/include/asm/ftrace.h
@@ -56,6 +56,19 @@ static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs)
{
return is_compat_task();
}
+
+#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+
+static inline bool arch_syscall_match_sym_name(const char *sym,
+ const char *name)
+{
+ /*
+ * Since all syscall functions have __arm64_ prefix, we must skip it.
+ * However, as we described above, we decided to ignore compat
+ * syscalls, so we don't care about __arm64_compat_ prefix here.
+ */
+ return !strcmp(sym + 8, name);
+}
#endif /* ifndef __ASSEMBLY__ */
#endif /* __ASM_FTRACE_H */
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index b96442960aea..f0a5c9531e8b 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -35,15 +35,6 @@
#define PCI_IO_SIZE SZ_16M
/*
- * Log2 of the upper bound of the size of a struct page. Used for sizing
- * the vmemmap region only, does not affect actual memory footprint.
- * We don't use sizeof(struct page) directly since taking its size here
- * requires its definition to be available at this point in the inclusion
- * chain, and it may not be a power of 2 in the first place.
- */
-#define STRUCT_PAGE_MAX_SHIFT 6
-
-/*
* VMEMMAP_SIZE - allows the whole linear region to be covered by
* a struct page array
*/
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 3e2091708b8e..6b0d4dff5012 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -24,6 +24,14 @@
#define KERNEL_DS UL(-1)
#define USER_DS (TASK_SIZE_64 - 1)
+/*
+ * On arm64 systems, unaligned accesses by the CPU are cheap, and so there is
+ * no point in shifting all network buffers by 2 bytes just to make some IP
+ * header fields appear aligned in memory, potentially sacrificing some DMA
+ * performance on some platforms.
+ */
+#define NET_IP_ALIGN 0
+
#ifndef __ASSEMBLY__
#ifdef __KERNEL__
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 0c909c4a932f..842fb9572661 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -468,7 +468,7 @@
SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_WXN | \
SCTLR_ELx_DSSBS | ENDIAN_CLEAR_EL2 | SCTLR_EL2_RES0)
-#if (SCTLR_EL2_SET ^ SCTLR_EL2_CLEAR) != 0xffffffffffffffff
+#if (SCTLR_EL2_SET ^ SCTLR_EL2_CLEAR) != 0xffffffffffffffffUL
#error "Inconsistent SCTLR_EL2 set/clear bits"
#endif
@@ -509,7 +509,7 @@
SCTLR_EL1_UMA | SCTLR_ELx_WXN | ENDIAN_CLEAR_EL1 |\
SCTLR_ELx_DSSBS | SCTLR_EL1_NTWI | SCTLR_EL1_RES0)
-#if (SCTLR_EL1_SET ^ SCTLR_EL1_CLEAR) != 0xffffffffffffffff
+#if (SCTLR_EL1_SET ^ SCTLR_EL1_CLEAR) != 0xffffffffffffffffUL
#error "Inconsistent SCTLR_EL1 set/clear bits"
#endif
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index c3c0387aee18..5dfd23897dea 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -41,14 +41,14 @@
ALTERNATIVE("nop\n nop", \
"dsb ish\n tlbi " #op, \
ARM64_WORKAROUND_REPEAT_TLBI, \
- CONFIG_QCOM_FALKOR_ERRATUM_1009) \
+ CONFIG_ARM64_WORKAROUND_REPEAT_TLBI) \
: : )
#define __TLBI_1(op, arg) asm ("tlbi " #op ", %0\n" \
ALTERNATIVE("nop\n nop", \
"dsb ish\n tlbi " #op ", %0", \
ARM64_WORKAROUND_REPEAT_TLBI, \
- CONFIG_QCOM_FALKOR_ERRATUM_1009) \
+ CONFIG_ARM64_WORKAROUND_REPEAT_TLBI) \
: : "r" (arg))
#define __TLBI_N(op, arg, n, ...) __TLBI_##n(op, arg)
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index a509e35132d2..6ad715d67df8 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -570,6 +570,20 @@ static const struct midr_range arm64_harden_el2_vectors[] = {
#endif
+#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
+
+static const struct midr_range arm64_repeat_tlbi_cpus[] = {
+#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
+ MIDR_RANGE(MIDR_QCOM_FALKOR_V1, 0, 0, 0, 0),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1286807
+ MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
+#endif
+ {},
+};
+
+#endif
+
const struct arm64_cpu_capabilities arm64_errata[] = {
#if defined(CONFIG_ARM64_ERRATUM_826319) || \
defined(CONFIG_ARM64_ERRATUM_827319) || \
@@ -695,11 +709,11 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.matches = is_kryo_midr,
},
#endif
-#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
+#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
{
- .desc = "Qualcomm Technologies Falkor erratum 1009",
+ .desc = "Qualcomm erratum 1009, ARM erratum 1286807",
.capability = ARM64_WORKAROUND_REPEAT_TLBI,
- ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0),
+ ERRATA_MIDR_RANGE_LIST(arm64_repeat_tlbi_cpus),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_858921
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index af50064dea51..aec5ecb85737 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1333,7 +1333,6 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.cpu_enable = cpu_enable_hw_dbm,
},
#endif
-#ifdef CONFIG_ARM64_SSBD
{
.desc = "CRC32 instructions",
.capability = ARM64_HAS_CRC32,
@@ -1343,6 +1342,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.field_pos = ID_AA64ISAR0_CRC32_SHIFT,
.min_field_value = 1,
},
+#ifdef CONFIG_ARM64_SSBD
{
.desc = "Speculative Store Bypassing Safe (SSBS)",
.capability = ARM64_SSBS,
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 50986e388d2b..57e962290df3 100644
--- a/arch/arm64/kernel/ftrace.c
+++ b/arch/arm64/kernel/ftrace.c
@@ -216,8 +216,6 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
{
unsigned long return_hooker = (unsigned long)&return_to_handler;
unsigned long old;
- struct ftrace_graph_ent trace;
- int err;
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
@@ -229,18 +227,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
*/
old = *parent;
- trace.func = self_addr;
- trace.depth = current->curr_ret_stack + 1;
-
- /* Only trace if the calling function expects to */
- if (!ftrace_graph_entry(&trace))
- return;
-
- err = ftrace_push_return_trace(old, self_addr, &trace.depth,
- frame_pointer, NULL);
- if (err == -EBUSY)
- return;
- else
+ if (!function_graph_enter(old, self_addr, frame_pointer, NULL))
*parent = return_hooker;
}
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 6b2686d54411..29cdc99688f3 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -214,7 +214,7 @@ static int create_safe_exec_page(void *src_start, size_t length,
}
memcpy((void *)dst, src_start, length);
- flush_icache_range(dst, dst + length);
+ __flush_icache_range(dst, dst + length);
pgdp = pgd_offset_raw(allocator(mask), dst_addr);
if (pgd_none(READ_ONCE(*pgdp))) {
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 953e316521fc..f4fc1e0544b7 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -313,6 +313,7 @@ void __init setup_arch(char **cmdline_p)
arm64_memblock_init();
paging_init();
+ efi_apply_persistent_mem_reservations();
acpi_table_upgrade();
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index a3ac26284845..a53704406099 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -429,9 +429,9 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
prot,
__builtin_return_address(0));
if (addr) {
- memset(addr, 0, size);
if (!coherent)
__dma_flush_area(page_to_virt(page), iosize);
+ memset(addr, 0, size);
} else {
iommu_dma_unmap_page(dev, *handle, iosize, 0, attrs);
dma_release_from_contiguous(dev, page,
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 9d9582cac6c4..0340e45655c6 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -483,8 +483,6 @@ void __init arm64_memblock_init(void)
high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
dma_contiguous_reserve(arm64_dma_phys_limit);
-
- memblock_allow_resize();
}
void __init bootmem_init(void)
@@ -612,14 +610,6 @@ void __init mem_init(void)
BUILD_BUG_ON(TASK_SIZE_32 > TASK_SIZE_64);
#endif
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
- /*
- * Make sure we chose the upper bound of sizeof(struct page)
- * correctly when sizing the VMEMMAP array.
- */
- BUILD_BUG_ON(sizeof(struct page) > (1 << STRUCT_PAGE_MAX_SHIFT));
-#endif
-
if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) {
extern int sysctl_overcommit_memory;
/*
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 394b8d554def..d1d6601b385d 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -659,6 +659,8 @@ void __init paging_init(void)
memblock_free(__pa_symbol(init_pg_dir),
__pa_symbol(init_pg_end) - __pa_symbol(init_pg_dir));
+
+ memblock_allow_resize();
}
/*
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index a6fdaea07c63..89198017e8e6 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -351,7 +351,8 @@ static void build_epilogue(struct jit_ctx *ctx)
* >0 - successfully JITed a 16-byte eBPF instruction.
* <0 - failed to JIT.
*/
-static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
+static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
+ bool extra_pass)
{
const u8 code = insn->code;
const u8 dst = bpf2a64[insn->dst_reg];
@@ -625,12 +626,19 @@ emit_cond_jmp:
case BPF_JMP | BPF_CALL:
{
const u8 r0 = bpf2a64[BPF_REG_0];
- const u64 func = (u64)__bpf_call_base + imm;
+ bool func_addr_fixed;
+ u64 func_addr;
+ int ret;
- if (ctx->prog->is_func)
- emit_addr_mov_i64(tmp, func, ctx);
+ ret = bpf_jit_get_func_addr(ctx->prog, insn, extra_pass,
+ &func_addr, &func_addr_fixed);
+ if (ret < 0)
+ return ret;
+ if (func_addr_fixed)
+ /* We can use optimized emission here. */
+ emit_a64_mov_i64(tmp, func_addr, ctx);
else
- emit_a64_mov_i64(tmp, func, ctx);
+ emit_addr_mov_i64(tmp, func_addr, ctx);
emit(A64_BLR(tmp), ctx);
emit(A64_MOV(1, r0, A64_R(0)), ctx);
break;
@@ -753,7 +761,7 @@ emit_cond_jmp:
return 0;
}
-static int build_body(struct jit_ctx *ctx)
+static int build_body(struct jit_ctx *ctx, bool extra_pass)
{
const struct bpf_prog *prog = ctx->prog;
int i;
@@ -762,7 +770,7 @@ static int build_body(struct jit_ctx *ctx)
const struct bpf_insn *insn = &prog->insnsi[i];
int ret;
- ret = build_insn(insn, ctx);
+ ret = build_insn(insn, ctx, extra_pass);
if (ret > 0) {
i++;
if (ctx->image == NULL)
@@ -858,7 +866,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
/* 1. Initial fake pass to compute ctx->idx. */
/* Fake pass to fill in ctx->offset. */
- if (build_body(&ctx)) {
+ if (build_body(&ctx, extra_pass)) {
prog = orig_prog;
goto out_off;
}
@@ -888,7 +896,7 @@ skip_init_ctx:
build_prologue(&ctx, was_classic);
- if (build_body(&ctx)) {
+ if (build_body(&ctx, extra_pass)) {
bpf_jit_binary_free(header);
prog = orig_prog;
goto out_off;
diff --git a/arch/csky/include/asm/mmu_context.h b/arch/csky/include/asm/mmu_context.h
index c410aa4fff1a..b2905c0485a7 100644
--- a/arch/csky/include/asm/mmu_context.h
+++ b/arch/csky/include/asm/mmu_context.h
@@ -16,7 +16,7 @@
static inline void tlbmiss_handler_setup_pgd(unsigned long pgd, bool kernel)
{
- pgd &= ~(1<<31);