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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt5
-rw-r--r--Documentation/admin-guide/pm/intel_pstate.rst16
-rw-r--r--Documentation/core-api/kernel-api.rst2
-rw-r--r--Documentation/device-mapper/writecache.txt2
-rw-r--r--Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt2
-rw-r--r--Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt2
-rw-r--r--Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt2
-rw-r--r--Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt23
-rw-r--r--Documentation/devicetree/bindings/input/touchscreen/hideep.txt2
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt2
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt2
-rw-r--r--Documentation/devicetree/bindings/mips/brcm/soc.txt2
-rw-r--r--Documentation/devicetree/bindings/net/fsl-fman.txt2
-rw-r--r--Documentation/devicetree/bindings/power/power_domain.txt2
-rw-r--r--Documentation/devicetree/bindings/regulator/tps65090.txt2
-rw-r--r--Documentation/devicetree/bindings/reset/st,sti-softreset.txt2
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,apq8096.txt2
-rw-r--r--Documentation/devicetree/bindings/usb/rockchip,dwc3.txt3
-rw-r--r--Documentation/devicetree/bindings/w1/w1-gpio.txt2
-rw-r--r--Documentation/driver-api/infrastructure.rst4
-rw-r--r--Documentation/filesystems/Locking7
-rw-r--r--Documentation/filesystems/cifs/AUTHORS7
-rw-r--r--Documentation/filesystems/cifs/CHANGES3
-rw-r--r--Documentation/filesystems/cifs/TODO17
-rw-r--r--Documentation/filesystems/vfs.txt13
-rw-r--r--Documentation/kbuild/kbuild.txt17
-rw-r--r--Documentation/kbuild/kconfig-language.txt6
-rw-r--r--Documentation/kbuild/kconfig.txt51
-rw-r--r--Documentation/networking/bonding.txt2
-rw-r--r--Documentation/networking/dpaa2/overview.rst1
-rw-r--r--Documentation/networking/e100.rst131
-rw-r--r--Documentation/networking/e1000.rst149
-rw-r--r--Documentation/networking/strparser.txt2
-rw-r--r--Documentation/trace/histogram.txt23
-rw-r--r--Documentation/usb/gadget_configfs.txt2
-rw-r--r--Documentation/virtual/kvm/api.txt2
-rw-r--r--MAINTAINERS74
-rw-r--r--Makefile15
-rw-r--r--arch/alpha/Kconfig5
-rw-r--r--arch/alpha/kernel/osf_sys.c5
-rw-r--r--arch/alpha/lib/Makefile2
-rw-r--r--arch/alpha/lib/dec_and_lock.c44
-rw-r--r--arch/arc/Kconfig5
-rw-r--r--arch/arc/Makefile15
-rw-r--r--arch/arc/configs/axs101_defconfig1
-rw-r--r--arch/arc/configs/axs103_defconfig1
-rw-r--r--arch/arc/configs/axs103_smp_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/hsdk_defconfig1
-rw-r--r--arch/arc/configs/nsim_700_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_defconfig1
-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/include/asm/cache.h4
-rw-r--r--arch/arc/include/asm/delay.h3
-rw-r--r--arch/arc/include/asm/entry-compact.h6
-rw-r--r--arch/arc/include/asm/entry.h3
-rw-r--r--arch/arc/include/asm/mach_desc.h2
-rw-r--r--arch/arc/include/asm/page.h2
-rw-r--r--arch/arc/include/asm/pgtable.h2
-rw-r--r--arch/arc/kernel/irq.c2
-rw-r--r--arch/arc/kernel/process.c47
-rw-r--r--arch/arc/mm/cache.c17
-rw-r--r--arch/arc/mm/dma.c49
-rw-r--r--arch/arc/plat-eznps/include/plat/ctop.h10
-rw-r--r--arch/arc/plat-eznps/mtm.c6
-rw-r--r--arch/arc/plat-hsdk/Kconfig3
-rw-r--r--arch/arc/plat-hsdk/platform.c62
-rw-r--r--arch/arm/Kconfig8
-rw-r--r--arch/arm/boot/dts/am335x-bone-common.dtsi1
-rw-r--r--arch/arm/boot/dts/am3517.dtsi9
-rw-r--r--arch/arm/boot/dts/am437x-sk-evm.dts2
-rw-r--r--arch/arm/boot/dts/armada-385-synology-ds116.dts2
-rw-r--r--arch/arm/boot/dts/armada-38x.dtsi2
-rw-r--r--arch/arm/boot/dts/bcm-cygnus.dtsi24
-rw-r--r--arch/arm/boot/dts/bcm-hr2.dtsi24
-rw-r--r--arch/arm/boot/dts/bcm-nsp.dtsi32
-rw-r--r--arch/arm/boot/dts/bcm5301x.dtsi2
-rw-r--r--arch/arm/boot/dts/da850.dtsi6
-rw-r--r--arch/arm/boot/dts/dra7.dtsi2
-rw-r--r--arch/arm/boot/dts/imx51-zii-rdu1.dts2
-rw-r--r--arch/arm/boot/dts/imx6q.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6sx.dtsi2
-rw-r--r--arch/arm/boot/dts/omap4-droid4-xt894.dts9
-rw-r--r--arch/arm/boot/dts/socfpga.dtsi4
-rw-r--r--arch/arm/boot/dts/socfpga_arria10.dtsi5
-rw-r--r--arch/arm/common/Makefile2
-rw-r--r--arch/arm/configs/imx_v4_v5_defconfig2
-rw-r--r--arch/arm/configs/imx_v6_v7_defconfig2
-rw-r--r--arch/arm/configs/multi_v7_defconfig378
-rw-r--r--arch/arm/crypto/speck-neon-core.S6
-rw-r--r--arch/arm/firmware/Makefile3
-rw-r--r--arch/arm/kernel/entry-common.S4
-rw-r--r--arch/arm/kernel/head-nommu.S2
-rw-r--r--arch/arm/kernel/process.c1
-rw-r--r--arch/arm/kernel/signal.c4
-rw-r--r--arch/arm/mach-bcm/Kconfig1
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c2
-rw-r--r--arch/arm/mach-omap2/omap-smp.c41
-rw-r--r--arch/arm/mach-pxa/irq.c4
-rw-r--r--arch/arm/mach-rpc/ecard.c5
-rw-r--r--arch/arm/mach-socfpga/Kconfig1
-rw-r--r--arch/arm/mm/init.c9
-rw-r--r--arch/arm/net/bpf_jit_32.c2
-rw-r--r--arch/arm/xen/enlighten.c7
-rw-r--r--arch/arm64/Makefile10
-rw-r--r--arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi6
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg-s400.dts15
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg.dtsi4
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gx.dtsi12
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi2
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts3
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi7
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-gxl.dtsi8
-rw-r--r--arch/arm64/boot/dts/broadcom/northstar2/ns2.dtsi8
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/bcm958742k.dts4
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/bcm958742t.dts4
-rw-r--r--arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi4
-rw-r--r--arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts2
-rw-r--r--arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts2
-rw-r--r--arch/arm64/boot/dts/marvell/armada-cp110.dtsi2
-rw-r--r--arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi2
-rw-r--r--arch/arm64/boot/dts/qcom/msm8916.dtsi4
-rw-r--r--arch/arm64/boot/dts/socionext/uniphier-ld11-global.dts2
-rw-r--r--arch/arm64/boot/dts/socionext/uniphier-ld20-global.dts2
-rw-r--r--arch/arm64/configs/defconfig102
-rw-r--r--arch/arm64/crypto/aes-glue.c2
-rw-r--r--arch/arm64/crypto/ghash-ce-glue.c8
-rw-r--r--arch/arm64/include/asm/alternative.h7
-rw-r--r--arch/arm64/include/asm/kvm_host.h1
-rw-r--r--arch/arm64/include/asm/pgtable.h6
-rw-r--r--arch/arm64/include/asm/simd.h19
-rw-r--r--arch/arm64/include/asm/sysreg.h11
-rw-r--r--arch/arm64/include/asm/tlb.h2
-rw-r--r--arch/arm64/kernel/alternative.c51
-rw-r--r--arch/arm64/kernel/cpufeature.c6
-rw-r--r--arch/arm64/kernel/module.c5
-rw-r--r--arch/arm64/kernel/smp.c2
-rw-r--r--arch/arm64/kvm/fpsimd.c36
-rw-r--r--arch/arm64/mm/dma-mapping.c9
-rw-r--r--arch/arm64/mm/hugetlbpage.c7
-rw-r--r--arch/arm64/mm/init.c4
-rw-r--r--arch/arm64/mm/proc.S5
-rw-r--r--arch/ia64/include/asm/tlb.h7
-rw-r--r--arch/ia64/kernel/perfmon.c6
-rw-r--r--arch/ia64/mm/init.c16
-rw-r--r--arch/m68k/include/asm/mcf_pgalloc.h4
-rw-r--r--arch/microblaze/Kconfig.debug7
-rw-r--r--arch/microblaze/include/asm/setup.h5
-rw-r--r--arch/microblaze/include/asm/unistd.h2
-rw-r--r--arch/microblaze/include/uapi/asm/unistd.h2
-rw-r--r--arch/microblaze/kernel/Makefile4
-rw-r--r--arch/microblaze/kernel/heartbeat.c72
-rw-r--r--arch/microblaze/kernel/platform.c29
-rw-r--r--arch/microblaze/kernel/reset.c11
-rw-r--r--arch/microblaze/kernel/syscall_table.S2
-rw-r--r--arch/microblaze/kernel/timer.c7
-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/ath79/common.c2
-rw-r--r--arch/mips/ath79/mach-pb44.c2
-rw-r--r--arch/mips/include/asm/io.h2
-rw-r--r--arch/mips/include/uapi/asm/unistd.h18
-rw-r--r--arch/mips/kernel/entry.S8
-rw-r--r--arch/mips/kernel/mcount.S27
-rw-r--r--arch/mips/kernel/process.c43
-rw-r--r--arch/mips/kernel/scall32-o32.S2
-rw-r--r--arch/mips/kernel/scall64-64.S2
-rw-r--r--arch/mips/kernel/scall64-n32.S2
-rw-r--r--arch/mips/kernel/scall64-o32.S2
-rw-r--r--arch/mips/kernel/signal.c3
-rw-r--r--arch/mips/kernel/traps.c1
-rw-r--r--arch/mips/mm/ioremap.c37
-rw-r--r--arch/mips/pci/pci.c2
-rw-r--r--arch/nds32/Kconfig12
-rw-r--r--arch/nds32/Makefile2
-rw-r--r--arch/nds32/include/asm/cacheflush.h9
-rw-r--r--arch/nds32/include/asm/futex.h2
-rw-r--r--arch/nds32/kernel/setup.c3
-rw-r--r--arch/nds32/mm/cacheflush.c100
-rw-r--r--arch/openrisc/include/asm/pgalloc.h6
-rw-r--r--arch/openrisc/kernel/entry.S8
-rw-r--r--arch/openrisc/kernel/head.S9
-rw-r--r--arch/openrisc/kernel/traps.c2
-rw-r--r--arch/parisc/Kconfig6
-rw-r--r--arch/parisc/Makefile4
-rw-r--r--arch/parisc/include/asm/signal.h8
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h3
-rw-r--r--arch/parisc/kernel/drivers.c25
-rw-r--r--arch/parisc/kernel/syscall_table.S1
-rw-r--r--arch/parisc/kernel/unwind.c4
-rw-r--r--arch/powerpc/Makefile2
-rw-r--r--arch/powerpc/include/asm/book3s/32/pgalloc.h2
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable-4k.h21
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable-64k.h9
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h5
-rw-r--r--arch/powerpc/include/asm/mmu_context.h37
-rw-r--r--arch/powerpc/include/asm/nmi.h2
-rw-r--r--arch/powerpc/include/asm/nohash/32/pgalloc.h2
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgalloc.h1
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/include/uapi/asm/unistd.h1
-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c3
-rw-r--r--arch/powerpc/kernel/idle_book3s.S2
-rw-r--r--arch/powerpc/kernel/pci-common.c4
-rw-r--r--arch/powerpc/kernel/pci_32.c4
-rw-r--r--arch/powerpc/kernel/pci_64.c4
-rw-r--r--arch/powerpc/kernel/rtas.c4
-rw-r--r--arch/powerpc/kernel/setup-common.c12
-rw-r--r--arch/powerpc/kernel/setup_64.c8
-rw-r--r--arch/powerpc/kernel/signal.c4
-rw-r--r--arch/powerpc/kernel/signal_32.c8
-rw-r--r--arch/powerpc/kernel/signal_64.c4
-rw-r--r--arch/powerpc/kernel/smp.c6
-rw-r--r--arch/powerpc/kernel/stacktrace.c4
-rw-r--r--arch/powerpc/kernel/syscalls.c4
-rw-r--r--arch/powerpc/kvm/book3s_64_vio.c2
-rw-r--r--arch/powerpc/kvm/book3s_64_vio_hv.c6
-rw-r--r--arch/powerpc/mm/hugetlbpage.c3
-rw-r--r--arch/powerpc/mm/mmu_context_iommu.c37
-rw-r--r--arch/powerpc/mm/pgtable-book3s64.c12
-rw-r--r--arch/powerpc/mm/subpage-prot.c4
-rw-r--r--arch/powerpc/mm/tlb-radix.c98
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c29
-rw-r--r--arch/powerpc/platforms/powermac/time.c29
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c3
-rw-r--r--arch/powerpc/platforms/pseries/setup.c3
-rw-r--r--arch/powerpc/xmon/xmon.c4
-rw-r--r--arch/riscv/Kconfig1
-rw-r--r--arch/riscv/include/uapi/asm/elf.h9
-rw-r--r--arch/riscv/kernel/irq.c4
-rw-r--r--arch/riscv/kernel/module.c26
-rw-r--r--arch/riscv/kernel/ptrace.c2
-rw-r--r--arch/riscv/kernel/setup.c5
-rw-r--r--arch/riscv/mm/init.c2
-rw-r--r--arch/s390/Kconfig3
-rw-r--r--arch/s390/include/asm/css_chars.h62
-rw-r--r--arch/s390/kernel/compat_wrapper.c1
-rw-r--r--arch/s390/kernel/entry.S8
-rw-r--r--arch/s390/kernel/signal.c3
-rw-r--r--arch/s390/kernel/syscalls/syscall.tbl2
-rw-r--r--arch/s390/mm/pgalloc.c4
-rw-r--r--arch/s390/net/bpf_jit_comp.c1
-rw-r--r--arch/sparc/include/asm/Kbuild1
-rw-r--r--arch/sparc/include/asm/msi.h32
-rw-r--r--arch/sparc/kernel/time_64.c2
-rw-r--r--arch/sparc/mm/srmmu.c20
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/Makefile6
-rw-r--r--arch/x86/boot/compressed/Makefile8
-rw-r--r--arch/x86/boot/compressed/eboot.c12
-rw-r--r--arch/x86/crypto/aegis128-aesni-asm.S1
-rw-r--r--arch/x86/crypto/aegis128l-aesni-asm.S1
-rw-r--r--arch/x86/crypto/aegis256-aesni-asm.S1
-rw-r--r--arch/x86/crypto/morus1280-avx2-asm.S1
-rw-r--r--arch/x86/crypto/morus1280-sse2-asm.S1
-rw-r--r--arch/x86/crypto/morus640-sse2-asm.S1
-rw-r--r--arch/x86/entry/common.c2
-rw-r--r--arch/x86/entry/entry_32.S2
-rw-r--r--arch/x86/entry/entry_64.S18
-rw-r--r--arch/x86/entry/entry_64_compat.S16
-rw-r--r--arch/x86/events/amd/ibs.c6
-rw-r--r--arch/x86/events/intel/core.c3
-rw-r--r--arch/x86/events/intel/ds.c33
-rw-r--r--arch/x86/hyperv/hv_apic.c5
-rw-r--r--arch/x86/hyperv/hv_init.c5
-rw-r--r--arch/x86/include/asm/apm.h6
-rw-r--r--arch/x86/include/asm/asm.h59
-rw-r--r--arch/x86/include/asm/barrier.h2
-rw-r--r--arch/x86/include/asm/irqflags.h2
-rw-r--r--arch/x86/include/asm/mshyperv.h5
-rw-r--r--arch/x86/include/asm/pgalloc.h3
-rw-r--r--arch/x86/include/asm/pgtable.h2
-rw-r--r--arch/x86/include/asm/pgtable_64.h4
-rw-r--r--arch/x86/include/asm/qspinlock_paravirt.h2
-rw-r--r--arch/x86/include/asm/uaccess_64.h7
-rw-r--r--arch/x86/include/asm/vmx.h3
-rw-r--r--arch/x86/kernel/Makefile1
-rw-r--r--arch/x86/kernel/apic/apic.c3
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c60
-rw-r--r--arch/x86/kernel/apm_32.c5
-rw-r--r--arch/x86/kernel/cpu/amd.c4
-rw-r--r--arch/x86/kernel/cpu/bugs.c12
-rw-r--r--arch/x86/kernel/cpu/cacheinfo.c2
-rw-r--r--arch/x86/kernel/cpu/common.c3
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce-severity.c5
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c47
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c5
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c3
-rw-r--r--arch/x86/kernel/e820.c15
-rw-r--r--arch/x86/kernel/head64.c2
-rw-r--r--arch/x86/kernel/irqflags.S26
-rw-r--r--arch/x86/kernel/kvmclock.c12
-rw-r--r--arch/x86/kernel/quirks.c11
-rw-r--r--arch/x86/kernel/signal.c2
-rw-r--r--arch/x86/kernel/smpboot.c5
-rw-r--r--arch/x86/kernel/traps.c14
-rw-r--r--arch/x86/kernel/uprobes.c2
-rw-r--r--arch/x86/kvm/Kconfig2
-rw-r--r--arch/x86/kvm/mmu.c2
-rw-r--r--arch/x86/kvm/vmx.c150
-rw-r--r--arch/x86/kvm/x86.c4
-rw-r--r--arch/x86/kvm/x86.h9
-rw-r--r--arch/x86/mm/fault.c21
-rw-r--r--arch/x86/mm/init_64.c20
-rw-r--r--arch/x86/net/bpf_jit_comp32.c8
-rw-r--r--arch/x86/platform/efi/efi_64.c6
-rw-r--r--arch/x86/purgatory/Makefile2
-rw-r--r--arch/x86/um/mem_32.c2
-rw-r--r--arch/x86/xen/enlighten.c7
-rw-r--r--arch/x86/xen/enlighten_pv.c26
-rw-r--r--arch/x86/xen/enlighten_pvh.c1
-rw-r--r--arch/x86/xen/irq.c4
-rw-r--r--arch/x86/xen/smp_pv.c5
-rw-r--r--block/bio.c57
-rw-r--r--block/blk-core.c17
-rw-r--r--block/blk-mq-debugfs.c2
-rw-r--r--block/blk-mq-tag.c2
-rw-r--r--block/blk-mq.c17
-rw-r--r--block/blk-softirq.c1
-rw-r--r--block/blk-timeout.c1
-rw-r--r--block/bsg.c2
-rw-r--r--block/sed-opal.c4
-rw-r--r--certs/blacklist.h2
-rw-r--r--crypto/af_alg.c17
-rw-r--r--crypto/algif_aead.c4
-rw-r--r--crypto/algif_skcipher.c4
-rw-r--r--crypto/asymmetric_keys/x509_cert_parser.c9
-rw-r--r--crypto/morus640.c3
-rw-r--r--crypto/sha3_generic.c2
-rw-r--r--drivers/acpi/acpi_lpss.c14
-rw-r--r--drivers/acpi/acpica/hwsleep.c15
-rw-r--r--drivers/acpi/acpica/psloop.c31
-rw-r--r--drivers/acpi/acpica/uterror.c6
-rw-r--r--drivers/acpi/battery.c9
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1597 files changed, 17017 insertions, 8792 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index efc7aa7a0670..533ff5c68970 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4846,3 +4846,8 @@
xirc2ps_cs= [NET,PCMCIA]
Format:
<irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
+
+ xhci-hcd.quirks [USB,KNL]
+ A hex value specifying bitmask with supplemental xhci
+ host controller quirks. Meaning of each bit can be
+ consulted in header drivers/usb/host/xhci.h.
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index ab2fe0eda1d7..8f1d3de449b5 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -324,8 +324,7 @@ Global Attributes
``intel_pstate`` exposes several global attributes (files) in ``sysfs`` to
control its functionality at the system level. They are located in the
-``/sys/devices/system/cpu/cpufreq/intel_pstate/`` directory and affect all
-CPUs.
+``/sys/devices/system/cpu/intel_pstate/`` directory and affect all CPUs.
Some of them are not present if the ``intel_pstate=per_cpu_perf_limits``
argument is passed to the kernel in the command line.
@@ -379,6 +378,17 @@ argument is passed to the kernel in the command line.
but it affects the maximum possible value of per-policy P-state limits
(see `Interpretation of Policy Attributes`_ below for details).
+``hwp_dynamic_boost``
+ This attribute is only present if ``intel_pstate`` works in the
+ `active mode with the HWP feature enabled <Active Mode With HWP_>`_ in
+ the processor. If set (equal to 1), it causes the minimum P-state limit
+ to be increased dynamically for a short time whenever a task previously
+ waiting on I/O is selected to run on a given logical CPU (the purpose
+ of this mechanism is to improve performance).
+
+ This setting has no effect on logical CPUs whose minimum P-state limit
+ is directly set to the highest non-turbo P-state or above it.
+
.. _status_attr:
``status``
@@ -410,7 +420,7 @@ argument is passed to the kernel in the command line.
That only is supported in some configurations, though (for example, if
the `HWP feature is enabled in the processor <Active Mode With HWP_>`_,
the operation mode of the driver cannot be changed), and if it is not
- supported in the current configuration, writes to this attribute with
+ supported in the current configuration, writes to this attribute will
fail with an appropriate error.
Interpretation of Policy Attributes
diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index 8e44aea366c2..76fe2d0f5e7d 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -284,7 +284,7 @@ Resources Management
MTRR Handling
-------------
-.. kernel-doc:: arch/x86/kernel/cpu/mtrr/main.c
+.. kernel-doc:: arch/x86/kernel/cpu/mtrr/mtrr.c
:export:
Security Framework
diff --git a/Documentation/device-mapper/writecache.txt b/Documentation/device-mapper/writecache.txt
index 4424fa2c67d7..01532b3008ae 100644
--- a/Documentation/device-mapper/writecache.txt
+++ b/Documentation/device-mapper/writecache.txt
@@ -15,6 +15,8 @@ Constructor parameters:
size)
5. the number of optional parameters (the parameters with an argument
count as two)
+ start_sector n (default: 0)
+ offset from the start of cache device in 512-byte sectors
high_watermark n (default: 50)
start writeback when the number of used blocks reach this
watermark
diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
index bdadc3da9556..6970f30a3770 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
@@ -66,7 +66,7 @@ Required root node properties:
- "insignal,arndale-octa" - for Exynos5420-based Insignal Arndale
Octa board.
- "insignal,origen" - for Exynos4210-based Insignal Origen board.
- - "insignal,origen4412 - for Exynos4412-based Insignal Origen board.
+ - "insignal,origen4412" - for Exynos4412-based Insignal Origen board.
Optional nodes:
diff --git a/Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt b/Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt
index 6fddb4f4f71a..3055d5c2c04e 100644
--- a/Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt
+++ b/Documentation/devicetree/bindings/display/tilcdc/tilcdc.txt
@@ -36,7 +36,7 @@ Optional nodes:
- port/ports: to describe a connection to an external encoder. The
binding follows Documentation/devicetree/bindings/graph.txt and
- suppors a single port with a single endpoint.
+ supports a single port with a single endpoint.
- See also Documentation/devicetree/bindings/display/tilcdc/panel.txt and
Documentation/devicetree/bindings/display/tilcdc/tfp410.txt for connecting
diff --git a/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
index 20fc72d9e61e..45a61b462287 100644
--- a/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
+++ b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
@@ -1,7 +1,7 @@
Nintendo Wii (Hollywood) GPIO controller
Required properties:
-- compatible: "nintendo,hollywood-gpio
+- compatible: "nintendo,hollywood-gpio"
- reg: Physical base address and length of the controller's registers.
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells: Should be <2>. The first cell is the pin number and the
diff --git a/Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt b/Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt
new file mode 100644
index 000000000000..f2ec0d4f2dff
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/sprd,sc27xx-vibra.txt
@@ -0,0 +1,23 @@
+Spreadtrum SC27xx PMIC Vibrator
+
+Required properties:
+- compatible: should be "sprd,sc2731-vibrator".
+- reg: address of vibrator control register.
+
+Example :
+
+ sc2731_pmic: pmic@0 {
+ compatible = "sprd,sc2731";
+ reg = <0>;
+ spi-max-frequency = <26000000>;
+ interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vibrator@eb4 {
+ compatible = "sprd,sc2731-vibrator";
+ reg = <0xeb4>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/input/touchscreen/hideep.txt b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
index 121d9b7c79a2..1063c30d53f7 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
@@ -32,7 +32,7 @@ i2c@00000000 {
reg = <0x6c>;
interrupt-parent = <&gpx1>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
- vdd-supply = <&ldo15_reg>";
+ vdd-supply = <&ldo15_reg>;
vid-supply = <&ldo18_reg>;
reset-gpios = <&gpx1 5 0>;
touchscreen-size-x = <1080>;
diff --git a/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt b/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt
index 1099fe0788fa..f246ccbf8838 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/nvidia,tegra20-ictlr.txt
@@ -15,7 +15,7 @@ Required properties:
include "nvidia,tegra30-ictlr".
- reg : Specifies base physical address and size of the registers.
Each controller must be described separately (Tegra20 has 4 of them,
- whereas Tegra30 and later have 5"
+ whereas Tegra30 and later have 5).
- interrupt-controller : Identifies the node as an interrupt controller.
- #interrupt-cells : Specifies the number of cells needed to encode an
interrupt source. The value must be 3.
diff --git a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt
index 136bd612bd83..6a36bf66d932 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt
@@ -12,7 +12,7 @@ Required properties:
specifier, shall be 2
- interrupts: interrupts references to primary interrupt controller
(only needed for exti controller with multiple exti under
- same parent interrupt: st,stm32-exti and st,stm32h7-exti")
+ same parent interrupt: st,stm32-exti and st,stm32h7-exti)
Example:
diff --git a/Documentation/devicetree/bindings/mips/brcm/soc.txt b/Documentation/devicetree/bindings/mips/brcm/soc.txt
index 356c29789cf5..3a66d3c483e1 100644
--- a/Documentation/devicetree/bindings/mips/brcm/soc.txt
+++ b/Documentation/devicetree/bindings/mips/brcm/soc.txt
@@ -152,7 +152,7 @@ Required properties:
- compatible : should contain one of:
"brcm,bcm7425-timers"
"brcm,bcm7429-timers"
- "brcm,bcm7435-timers and
+ "brcm,bcm7435-timers" and
"brcm,brcmstb-timers"
- reg : the timers register range
- interrupts : the interrupt line for this timer block
diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt
index df873d1f3b7c..f8c33890bc29 100644
--- a/Documentation/devicetree/bindings/net/fsl-fman.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fman.txt
@@ -238,7 +238,7 @@ PROPERTIES
Must include one of the following:
- "fsl,fman-dtsec" for dTSEC MAC
- "fsl,fman-xgec" for XGEC MAC
- - "fsl,fman-memac for mEMAC MAC
+ - "fsl,fman-memac" for mEMAC MAC
- cell-index
Usage: required
diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt
index 9b387f861aed..7dec508987c7 100644
--- a/Documentation/devicetree/bindings/power/power_domain.txt
+++ b/Documentation/devicetree/bindings/power/power_domain.txt
@@ -133,7 +133,7 @@ located inside a PM domain with index 0 of a power controller represented by a
node with the label "power".
In the second example the consumer device are partitioned across two PM domains,
the first with index 0 and the second with index 1, of a power controller that
-is represented by a node with the label "power.
+is represented by a node with the label "power".
Optional properties:
- required-opps: This contains phandle to an OPP node in another device's OPP
diff --git a/Documentation/devicetree/bindings/regulator/tps65090.txt b/Documentation/devicetree/bindings/regulator/tps65090.txt
index ca69f5e3040c..ae326f263597 100644
--- a/Documentation/devicetree/bindings/regulator/tps65090.txt
+++ b/Documentation/devicetree/bindings/regulator/tps65090.txt
@@ -16,7 +16,7 @@ Required properties:
Optional properties:
- ti,enable-ext-control: This is applicable for DCDC1, DCDC2 and DCDC3.
If DCDCs are externally controlled then this property should be there.
-- "dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3.
+- dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3.
If DCDCs are externally controlled and if it is from GPIO then GPIO
number should be provided. If it is externally controlled and no GPIO
entry then driver will just configure this rails as external control
diff --git a/Documentation/devicetree/bindings/reset/st,sti-softreset.txt b/Documentation/devicetree/bindings/reset/st,sti-softreset.txt
index a21658f18fe6..3661e6153a92 100644
--- a/Documentation/devicetree/bindings/reset/st,sti-softreset.txt
+++ b/Documentation/devicetree/bindings/reset/st,sti-softreset.txt
@@ -15,7 +15,7 @@ Please refer to reset.txt in this directory for common reset
controller binding usage.
Required properties:
-- compatible: Should be st,stih407-softreset";
+- compatible: Should be "st,stih407-softreset";
- #reset-cells: 1, see below
example:
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
index d330c73de9a2..68b7d6207e3d 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt
@@ -39,7 +39,7 @@ Required properties:
Optional property:
- clock-frequency: Desired I2C bus clock frequency in Hz.
- When missing default to 400000Hz.
+ When missing default to 100000Hz.
Child nodes should conform to I2C bus binding as described in i2c.txt.
diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt b/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
index 6a4aadc4ce06..84b28dbe9f15 100644
--- a/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
@@ -30,7 +30,7 @@ Required properties:
Board connectors:
* Headset Mic
- * Secondary Mic",
+ * Secondary Mic
* DMIC
* Ext Spk
diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8096.txt b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
index aa54e49fc8a2..c7600a93ab39 100644
--- a/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,apq8096.txt
@@ -35,7 +35,7 @@ This binding describes the APQ8096 sound card, which uses qdsp for audio.
"Digital Mic3"
Audio pins and MicBias on WCD9335 Codec:
- "MIC_BIAS1
+ "MIC_BIAS1"
"MIC_BIAS2"
"MIC_BIAS3"
"MIC_BIAS4"
diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt b/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
index 252a05c5d976..c8c4b00ecb94 100644
--- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
@@ -16,7 +16,8 @@ A child node must exist to represent the core DWC3 IP block. The name of
the node is not important. The content of the node is defined in dwc3.txt.
Phy documentation is provided in the following places:
-Documentation/devicetree/bindings/phy/qcom-dwc3-usb-phy.txt
+Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt - USB2.0 PHY
+Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt - Type-C PHY
Example device nodes:
diff --git a/Documentation/devicetree/bindings/w1/w1-gpio.txt b/Documentation/devicetree/bindings/w1/w1-gpio.txt
index 6e09c35d9f1a..37091902a021 100644
--- a/Documentation/devicetree/bindings/w1/w1-gpio.txt
+++ b/Documentation/devicetree/bindings/w1/w1-gpio.txt
@@ -15,7 +15,7 @@ Optional properties:
Examples:
- onewire@0 {
+ onewire {
compatible = "w1-gpio";
gpios = <&gpio 126 0>, <&gpio 105 0>;
};
diff --git a/Documentation/driver-api/infrastructure.rst b/Documentation/driver-api/infrastructure.rst
index bee1b9a1702f..6172f3cc3d0b 100644
--- a/Documentation/driver-api/infrastructure.rst
+++ b/Documentation/driver-api/infrastructure.rst
@@ -49,10 +49,10 @@ Device Drivers Base
Device Drivers DMA Management
-----------------------------
-.. kernel-doc:: drivers/base/dma-coherent.c
+.. kernel-doc:: kernel/dma/coherent.c
:export:
-.. kernel-doc:: drivers/base/dma-mapping.c
+.. kernel-doc:: kernel/dma/mapping.c
:export:
Device drivers PnP support
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 2c391338c675..37bf0a9de75c 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -441,8 +441,6 @@ prototypes:
int (*iterate) (struct file *, struct dir_context *);
int (*iterate_shared) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
- struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
- __poll_t (*poll_mask) (struct file *, __poll_t);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
@@ -473,7 +471,7 @@ prototypes:
};
locking rules:
- All except for ->poll_mask may block.
+ All may block.
->llseek() locking has moved from llseek to the individual llseek
implementations. If your fs is not using generic_file_llseek, you
@@ -505,9 +503,6 @@ in sys_read() and friends.
the lease within the individual filesystem to record the result of the
operation
-->poll_mask can be called with or without the waitqueue lock for the waitqueue
-returned from ->get_poll_head.
-
--------------------------- dquot_operations -------------------------------
prototypes:
int (*write_dquot) (struct dquot *);
diff --git a/Documentation/filesystems/cifs/AUTHORS b/Documentation/filesystems/cifs/AUTHORS
index 9f4f87e16240..75865da2ce14 100644
--- a/Documentation/filesystems/cifs/AUTHORS
+++ b/Documentation/filesystems/cifs/AUTHORS
@@ -42,9 +42,11 @@ Jeff Layton (many, many fixes, as well as great work on the cifs Kerberos code)
Scott Lovenberg
Pavel Shilovsky (for great work adding SMB2 support, and various SMB3 features)
Aurelien Aptel (for DFS SMB3 work and some key bug fixes)
-Ronnie Sahlberg (for SMB3 xattr work and bug fixes)
+Ronnie Sahlberg (for SMB3 xattr work, bug fixes, and lots of great work on compounding)
Shirish Pargaonkar (for many ACL patches over the years)
Sachin Prabhu (many bug fixes, including for reconnect, copy offload and security)
+Paulo Alcantara
+Long Li (some great work on RDMA, SMB Direct)
Test case and Bug Report contributors
@@ -58,5 +60,4 @@ mention to the Stanford Checker (SWAT) which pointed out many minor
bugs in error paths. Valuable suggestions also have come from Al Viro
and Dave Miller.
-And thanks to the IBM LTC and Power test teams and SuSE testers for
-finding multiple bugs during excellent stress test runs.
+And thanks to the IBM LTC and Power test teams and SuSE and Citrix and RedHat testers for finding multiple bugs during excellent stress test runs.
diff --git a/Documentation/filesystems/cifs/CHANGES b/Documentation/filesystems/cifs/CHANGES
index bc0025cdd1c9..455e1cc494a9 100644
--- a/Documentation/filesystems/cifs/CHANGES
+++ b/Documentation/filesystems/cifs/CHANGES
@@ -1,3 +1,6 @@
+See https://wiki.samba.org/index.php/LinuxCIFSKernel for
+more current information.
+
Version 1.62
------------
Add sockopt=TCP_NODELAY mount option. EA (xattr) routines hardened
diff --git a/Documentation/filesystems/cifs/TODO b/Documentation/filesystems/cifs/TODO
index c5adf149b57f..852499aed64b 100644
--- a/Documentation/filesystems/cifs/TODO
+++ b/Documentation/filesystems/cifs/TODO
@@ -9,14 +9,14 @@ is a partial list of the known problems and missing features:
a) SMB3 (and SMB3.02) missing optional features:
- multichannel (started), integration with RDMA
- - directory leases (improved metadata caching)
- - T10 copy offload (copy chunk, and "Duplicate Extents" ioctl
+ - directory leases (improved metadata caching), started (root dir only)
+ - T10 copy offload ie "ODX" (copy chunk, and "Duplicate Extents" ioctl
currently the only two server side copy mechanisms supported)
b) improved sparse file support
c) Directory entry caching relies on a 1 second timer, rather than
-using Directory Leases
+using Directory Leases, currently only the root file handle is cached longer
d) quota support (needs minor kernel change since quota calls
to make it to network filesystems or deviceless filesystems)
@@ -42,6 +42,8 @@ mount or a per server basis to client UIDs or nobody if no mapping
exists. Also better integration with winbind for resolving SID owners
k) Add tools to take advantage of more smb3 specific ioctls and features
+(passthrough ioctl/fsctl for sending various SMB3 fsctls to the server
+is in progress)
l) encrypted file support
@@ -71,9 +73,8 @@ t) split cifs and smb3 support into separate modules so legacy (and less
secure) CIFS dialect can be disabled in environments that don't need it
and simplify the code.
-u) Finish up SMB3.1.1 dialect support
-
-v) POSIX Extensions for SMB3.1.1
+v) POSIX Extensions for SMB3.1.1 (started, create and mkdir support added
+so far).
KNOWN BUGS
====================================
@@ -92,8 +93,8 @@ Misc testing to do
1) check out max path names and max path name components against various server
types. Try nested symlinks (8 deep). Return max path name in stat -f information
-2) Improve xfstest's cifs enablement and adapt xfstests where needed to test
-cifs better
+2) Improve xfstest's cifs/smb3 enablement and adapt xfstests where needed to test
+cifs/smb3 better
3) Additional performance testing and optimization using iozone and similar -
there are some easy changes that can be done to parallelize sequential writes,
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 829a7b7857a4..f608180ad59d 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -857,8 +857,6 @@ struct file_operations {
ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
int (*iterate) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
- struct wait_queue_head * (*get_poll_head)(struct file *, __poll_t);
- __poll_t (*poll_mask) (struct file *, __poll_t);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
int (*mmap) (struct file *, struct vm_area_struct *);
@@ -903,17 +901,6 @@ otherwise noted.
activity on this file and (optionally) go to sleep until there
is activity. Called by the select(2) and poll(2) system calls
- get_poll_head: Returns the struct wait_queue_head that callers can
- wait on. Callers need to check the returned events using ->poll_mask
- once woken. Can return NULL to indicate polling is not supported,
- or any error code using the ERR_PTR convention to indicate that a
- grave error occured and ->poll_mask shall not be called.
-
- poll_mask: return the mask of EPOLL* values describing the file descriptor
- state. Called either before going to sleep on the waitqueue returned by
- get_poll_head, or after it has been woken. If ->get_poll_head and
- ->poll_mask are implemented ->poll does not need to be implement.
-
unlocked_ioctl: called by the ioctl(2) system call.
compat_ioctl: called by the ioctl(2) system call when 32 bit system calls
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 6c9c69ec3986..114c7ce7b58d 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -50,6 +50,11 @@ LDFLAGS_MODULE
--------------------------------------------------
Additional options used for $(LD) when linking modules.
+KBUILD_KCONFIG
+--------------------------------------------------
+Set the top-level Kconfig file to the value of this environment
+variable. The default name is "Kconfig".
+
KBUILD_VERBOSE
--------------------------------------------------
Set the kbuild verbosity. Can be assigned same values as "V=...".
@@ -88,7 +93,8 @@ In most cases the name of the architecture is the same as the
directory name found in the arch/ directory.
But some architectures such as x86 and sparc have aliases.
x86: i386 for 32 bit, x86_64 for 64 bit
-sparc: sparc for 32 bit, sparc64 for 64 bit
+sh: sh for 32 bit, sh64 for 64 bit
+sparc: sparc32 for 32 bit, sparc64 for 64 bit
CROSS_COMPILE
--------------------------------------------------
@@ -148,15 +154,6 @@ stripped after they are installed. If INSTALL_MOD_STRIP is '1', then
the default option --strip-debug will be used. Otherwise,
INSTALL_MOD_STRIP value will be used as the options to the strip command.
-INSTALL_FW_PATH
---------------------------------------------------
-INSTALL_FW_PATH specifies where to install the firmware blobs.
-The default value is:
-
- $(INSTALL_MOD_PATH)/lib/firmware
-
-The value can be overridden in which case the default value is ignored.
-
INSTALL_HDR_PATH
--------------------------------------------------
INSTALL_HDR_PATH specifies where to install user space headers when
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index 3534a84d206c..64e0775a62d4 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -430,6 +430,12 @@ This sets the config program's title bar if the config program chooses
to use it. It should be placed at the top of the configuration, before any
other statement.
+'#' Kconfig source file comment:
+
+An unquoted '#' character anywhere in a source file line indicates
+the beginning of a source file comment. The remainder of that line
+is a comment.
+
Kconfig hints
-------------
diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index 7233118f3a05..68c82914c0f3 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
@@ -2,9 +2,9 @@ This file contains some assistance for using "make *config".
Use "make help" to list all of the possible configuration targets.
-The xconfig ('qconf') and menuconfig ('mconf') programs also
-have embedded help text. Be sure to check it for navigation,
-search, and other general help text.
+The xconfig ('qconf'), menuconfig ('mconf'), and nconfig ('nconf')
+programs also have embedded help text. Be sure to check that for
+navigation, search, and other general help text.
======================================================================
General
@@ -17,13 +17,16 @@ this happens, using a previously working .config file and running
for you, so you may find that you need to see what NEW kernel
symbols have been introduced.
-To see a list of new config symbols when using "make oldconfig", use
+To see a list of new config symbols, use
cp user/some/old.config .config
make listnewconfig
and the config program will list any new symbols, one per line.
+Alternatively, you can use the brute force method:
+
+ make oldconfig
scripts/diffconfig .config.old .config | less
______________________________________________________________________
@@ -160,7 +163,7 @@ Searching in menuconfig:
This lists all config symbols that contain "hotplug",
e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
- For search help, enter / followed TAB-TAB-TAB (to highlight
+ For search help, enter / followed by TAB-TAB (to highlight
<Help>) and Enter. This will tell you that you can also use
regular expressions (regexes) in the search string, so if you
are not interested in MEMORY_HOTPLUG, you could try
@@ -203,6 +206,39 @@ Example:
======================================================================
+nconfig
+--------------------------------------------------
+
+nconfig is an alternate text-based configurator. It lists function
+keys across the bottom of the terminal (window) that execute commands.
+You can also just use the corresponding numeric key to execute the
+commands unless you are in a data entry window. E.g., instead of F6
+for Save, you can just press 6.
+
+Use F1 for Global help or F3 for the Short help menu.
+
+Searching in nconfig:
+
+ You can search either in the menu entry "prompt" strings
+ or in the configuration symbols.
+
+ Use / to begin a search through the menu entries. This does
+ not support regular expressions. Use <Down> or <Up> for
+ Next hit and Previous hit, respectively. Use <Esc> to
+ terminate the search mode.
+
+ F8 (SymSearch) searches the configuration symbols for the
+ given string or regular expression (regex).
+
+NCONFIG_MODE
+--------------------------------------------------
+This mode shows all sub-menus in one large tree.
+
+Example:
+ make NCONFIG_MODE=single_menu nconfig
+
+
+======================================================================
xconfig
--------------------------------------------------
@@ -230,8 +266,7 @@ gconfig
Searching in gconfig:
- None (gconfig isn't maintained as well as xconfig or menuconfig);
- however, gconfig does have a few more viewing choices than
- xconfig does.
+ There is no search command in gconfig. However, gconfig does
+ have several different viewing choices, modes, and options.
###
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index c13214d073a4..d3e5dd26db12 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -1490,7 +1490,7 @@ To remove an ARP target:
To configure the interval between learning packet transmits:
# echo 12 > /sys/class/net/bond0/bonding/lp_interval
- NOTE: the lp_inteval is the number of seconds between instances where
+ NOTE: the lp_interval is the number of seconds between instances where
the bonding driver sends learning packets to each slaves peer switch. The
default interval is 1 second.
diff --git a/Documentation/networking/dpaa2/overview.rst b/Documentation/networking/dpaa2/overview.rst
index 79fede4447d6..d638b5a8aadd 100644
--- a/Documentation/networking/dpaa2/overview.rst
+++ b/Documentation/networking/dpaa2/overview.rst
@@ -1,5 +1,6 @@
.. include:: <isonum.txt>
+=========================================================
DPAA2 (Data Path Acceleration Architecture Gen2) Overview
=========================================================
diff --git a/Documentation/networking/e100.rst b/Documentation/networking/e100.rst
index d4d837027925..f81111eba9c5 100644
--- a/Documentation/networking/e100.rst
+++ b/Documentation/networking/e100.rst
@@ -1,3 +1,4 @@
+==============================================================
Linux* Base Driver for the Intel(R) PRO/100 Family of Adapters
==============================================================
@@ -46,123 +47,131 @@ Driver Configuration Parameters
The default value for each parameter is generally the recommended setting,
unless otherwise noted.
-Rx Descriptors: Number of receive descriptors. A receive descriptor is a data
+Rx Descriptors:
+ Number of receive descriptors. A receive descriptor is a data
structure that describes a receive buffer and its attributes to the network
controller. The data in the descriptor is used by the controller to write
data from the controller to host memory. In the 3.x.x driver the valid range
for this parameter is 64-256. The default value is 256. This parameter can be
changed using the command::
- ethtool -G eth? rx n
+ ethtool -G eth? rx n
Where n is the number of desired Rx descriptors.
-Tx Descriptors: Number of transmit descriptors. A transmit descriptor is a data
+Tx Descriptors:
+ Number of transmit descriptors. A transmit descriptor is a data
structure that describes a transmit buffer and its attributes to the network
controller. The data in the descriptor is used by the controller to read
data from the host memory to the controller. In the 3.x.x driver the valid
range for this parameter is 64-256. The default value is 128. This parameter
can be changed using the command::
- ethtool -G eth? tx n
+ ethtool -G eth? tx n
Where n is the number of desired Tx descriptors.
-Speed/Duplex: The driver auto-negotiates the link speed and duplex settings by
+Speed/Duplex:
+ The driver auto-negotiates the link speed and duplex settings by
default. The ethtool utility can be used as follows to force speed/duplex.::
- ethtool -s eth? autoneg off speed {10|100} duplex {full|half}
+ ethtool -s eth? autoneg off speed {10|100} duplex {full|half}
NOTE: setting the speed/duplex to incorrect values will cause the link to
fail.
-Event Log Message Level: The driver uses the message level flag to log events
+Event Log Message Level:
+ The driver uses the message level flag to log events
to syslog. The message level can be set at driver load time. It can also be
set using the command::
- ethtool -s eth? msglvl n
+ ethtool -s eth? msglvl n
Additional Configurations
=========================
- Configuring the Driver on Different Distributions
- -------------------------------------------------
+Configuring the Driver on Different Distributions
+-------------------------------------------------
- Configuring a network driver to load properly when the system is started is
- distribution dependent. Typically, the configuration process involves adding
- an alias line to /etc/modprobe.d/*.conf as well as editing other system
- startup scripts and/or configuration files. Many popular Linux
- distributions ship with tools to make these changes for you. To learn the
- proper way to configure a network device for your system, refer to your
- distribution documentation. If during this process you are asked for the
- driver or module name, the name for the Linux Base Driver for the Intel
- PRO/100 Family of Adapters is e100.
+Configuring a network driver to load properly when the system is started
+is distribution dependent. Typically, the configuration process involves
+adding an alias line to `/etc/modprobe.d/*.conf` as well as editing other
+system startup scripts and/or configuration files. Many popular Linux
+distributions ship with tools to make these changes for you. To learn
+the proper way to configure a network device for your system, refer to
+your distribution documentation. If during this process you are asked
+for the driver or module name, the name for the Linux Base Driver for
+the Intel PRO/100 Family of Adapters is e100.
- As an example, if you install the e100 driver for two PRO/100 adapters
- (eth0 and eth1), add the following to a configuration file in /etc/modprobe.d/
+As an example, if you install the e100 driver for two PRO/100 adapters
+(eth0 and eth1), add the following to a configuration file in
+/etc/modprobe.d/::
alias eth0 e100
alias eth1 e100
- Viewing Link Messages
- ---------------------
- In order to see link messages and other Intel driver information on your
- console, you must set the dmesg level up to six. This can be done by
- entering the following on the command line before loading the e100 driver::
+Viewing Link Messages
+---------------------
+
+In order to see link messages and other Intel driver information on your
+console, you must set the dmesg level up to six. This can be done by
+entering the following on the command line before loading the e100
+driver::
dmesg -n 6
- If you wish to see all messages issued by the driver, including debug
- messages, set the dmesg level to eight.
+If you wish to see all messages issued by the driver, including debug
+messages, set the dmesg level to eight.
- NOTE: This setting is not saved across reboots.
+NOTE: This setting is not saved across reboots.
+ethtool
+-------
- ethtool
- -------
+The driver utilizes the ethtool interface for driver configuration and
+diagnostics, as well as displaying statistical information. The ethtool
+version 1.6 or later is required for this functionality.
- The driver utilizes the ethtool interface for driver configuration and
- diagnostics, as well as displaying statistical information. The ethtool
- version 1.6 or later is required for this functionality.
+The latest release of ethtool can be found from
+https://www.kernel.org/pub/software/network/ethtool/
- The latest release of ethtool can be found from
- https://www.kernel.org/pub/software/network/ethtool/
+Enabling Wake on LAN* (WoL)
+---------------------------
+WoL is provided through the ethtool* utility. For instructions on
+enabling WoL with ethtool, refer to the ethtool man page. WoL will be
+enabled on the system during the next shut down or reboot. For this
+driver version, in order to enable WoL, the e100 driver must be loaded
+when shutting down or rebooting the system.
- Enabling Wake on LAN* (WoL)
- ---------------------------
- WoL is provided through the ethtool* utility. For instructions on enabling
- WoL with ethtool, refer to the ethtool man page.
+NAPI
+----
- WoL will be enabled on the system during the next shut down or reboot. For
- this driver version, in order to enable WoL, the e100 driver must be
- loaded when shutting down or rebooting the system.
+NAPI (Rx polling mode) is supported in the e100 driver.
- NAPI
- ----
+See https://wiki.linuxfoundation.org/networking/napi for more
+information on NAPI.
- NAPI (Rx polling mode) is supported in the e100 driver.
+Multiple Interfaces on Same Ethernet Broadcast Network
+------------------------------------------------------
- See https://wiki.linuxfoundation.org/networking/napi for more information
- on NAPI.
+Due to the default ARP behavior on Linux, it is not possible to have one
+system on two IP networks in the same Ethernet broadcast domain
+(non-partitioned switch) behave as expected. All Ethernet interfaces
+will respond to IP traffic for any IP address assigned to the system.
+This results in unbalanced receive traffic.
- Multiple Interfaces on Same Ethernet Broadcast Network
- ------------------------------------------------------
+If you have multiple interfaces in a server, either turn on ARP
+filtering by
- Due to the default ARP behavior on Linux, it is not possible to have
- one system on two IP networks in the same Ethernet broadcast domain
- (non-partitioned switch) behave as expected. All Ethernet interfaces
- will respond to IP traffic for any IP address assigned to the system.
- This results in unbalanced receive traffic.
+(1) entering::
- If you have multiple interfaces in a server, either turn on ARP
- filtering by
+ echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
- (1) entering:: echo 1 > /proc/sys/net/ipv4/conf/all/arp_filter
- (this only works if your kernel's version is higher than 2.4.5), or
+ (this only works if your kernel's version is higher than 2.4.5), or
- (2) installing the interfaces in separate broadcast domains (either
- in different switches or in a switch partitioned to VLANs).
+(2) installing the interfaces in separate broadcast domains (either
+ in different switches or in a switch partitioned to VLANs).
Support
diff --git a/Documentation/networking/e1000.rst b/Documentation/networking/e1000.rst
index 616848940e63..f10dd4086921 100644
--- a/Documentation/networking/e1000.rst
+++ b/Documentation/networking/e1000.rst
@@ -1,3 +1,4 @@
+===========================================================
Linux* Base Driver for Intel(R) Ethernet Network Connection
===========================================================
@@ -33,7 +34,8 @@ Command Line Parameters
The default value for each parameter is generally the recommended setting,
unless otherwise noted.
-NOTES: For more information about the AutoNeg, Duplex, and Speed
+NOTES:
+ For more information about the AutoNeg, Duplex, and Speed
parameters, see the "Speed and Duplex Configuration" section in
this document.
@@ -44,22 +46,27 @@ NOTES: For more information about the AutoNeg, Duplex, and Speed
AutoNeg
-------
+
(Supported only on adapters with copper connections)
-Valid Range: 0x01-0x0F, 0x20-0x2F
-Default Value: 0x2F
+
+:Valid Range: 0x01-0x0F, 0x20-0x2F
+:Default Value: 0x2F
This parameter is a bit-mask that specifies the speed and duplex settings
advertised by the adapter. When this parameter is used, the Speed and
Duplex parameters must not be specified.
-NOTE: Refer to the Speed and Duplex section of this readme for more
+NOTE:
+ Refer to the Speed and Duplex section of this readme for more
information on the AutoNeg parameter.
Duplex
------
+
(Supported only on adapters with copper connections)
-Valid Range: 0-2 (0=auto-negotiate, 1=half, 2=full)
-Default Value: 0
+
+:Valid Range: 0-2 (0=auto-negotiate, 1=half, 2=full)
+:Default Value: 0
This defines the direction in which data is allowed to flow. Can be
either one or two-directional. If both Duplex and the link partner are
@@ -69,18 +76,22 @@ duplex.
FlowControl
-----------
-Valid Range: 0-3 (0=none, 1=Rx only, 2=Tx only, 3=Rx&Tx)
-Default Value: Reads flow control settings from the EEPROM
+
+:Valid Range: 0-3 (0=none, 1=Rx only, 2=Tx only, 3=Rx&Tx)
+:Default Value: Reads flow control settings from the EEPROM
This parameter controls the automatic generation(Tx) and response(Rx)
to Ethernet PAUSE frames.
InterruptThrottleRate
---------------------
+
(not supported on Intel(R) 82542, 82543 or 82544-based adapters)
-Valid Range: 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative,
- 4=simplified balancing)
-Default Value: 3
+
+:Valid Range:
+ 0,1,3,4,100-100000 (0=off, 1=dynamic, 3=dynamic conservative,
+ 4=simplified balancing)
+:Default Value: 3
The driver can limit the amount of interrupts per second that the adapter
will generate for incoming packets. It does this by writing a value to the
@@ -134,13 +145,15 @@ Setting InterruptThrottleRate to 0 turns off any interrupt moderation
and may improve small packet latency, but is generally not suitable
for bulk throughput traffic.
-NOTE: InterruptThrottleRate takes precedence over the TxAbsIntDelay and
+NOTE:
+ InterruptThrottleRate takes precedence over the TxAbsIntDelay and
RxAbsIntDelay parameters. In other words, minimizing the receive
and/or transmit absolute delays does not force the controller to
generate more interrupts than what the Interrupt Throttle Rate
allows.
-CAUTION: If you are using the Intel(R) PRO/1000 CT Network Connection
+CAUTION:
+ If you are using the Intel(R) PRO/1000 CT Network Connection
(controller 82547), setting InterruptThrottleRate to a value
greater than 75,000, may hang (stop transmitting) adapters
under certain network conditions. If this occurs a NETDEV
@@ -150,7 +163,8 @@ CAUTION: If you are using the Intel(R) PRO/1000 CT Network Connection
hang, ensure that InterruptThrottleRate is set no greater
than 75,000 and is not set to 0.
-NOTE: When e1000 is loaded with default settings and multiple adapters
+NOTE:
+ When e1000 is loaded with default settings and multiple adapters
are in use simultaneously, the CPU utilization may increase non-
linearly. In order to limit the CPU utilization without impacting
the overall throughput, we recommend that you load the driver as
@@ -167,9 +181,11 @@ NOTE: When e1000 is loaded with default settings and multiple adapters
RxDescriptors
-------------
-Valid Range: 48-256 for 82542 and 82543-based adapters
- 48-4096 for all other supported adapters
-Default Value: 256
+
+:Valid Range:
+ - 48-256 for 82542 and 82543-based adapters
+ - 48-4096 for all other supported adapters
+:Default Value: 256
This value specifies the number of receive buffer descriptors allocated
by the driver. Increasing this value allows the driver to buffer more
@@ -179,15 +195,17 @@ Each descriptor is 16 bytes. A receive buffer is also allocated for each
descriptor and can be either 2048, 4096, 8192, or 16384 bytes, depending
on the MTU setting. The maximum MTU size is 16110.
-NOTE: MTU designates the frame size. It only needs to be set for Jumbo
+NOTE:
+ MTU designates the frame size. It only needs to be set for Jumbo
Frames. Depending on the available system resources, the request
for a higher number of receive descriptors may be denied. In this
case, use a lower number.
RxIntDelay
----------
-Valid Range: 0-65535 (0=off)
-Default Value: 0
+
+:Valid Range: 0-65535 (0=off)
+:Default Value: 0
This value delays the generation of receive interrupts in units of 1.024
microseconds. Receive interrupt reduction can improve CPU efficiency if
@@ -197,7 +215,8 @@ of TCP traffic. If the system is reporting dropped receives, this value
may be set too high, causing the driver to run out of available receive
descriptors.
-CAUTION: When setting RxIntDelay to a value other than 0, adapters may
+CAUTION:
+ When setting RxIntDelay to a value other than 0, adapters may
hang (stop transmitting) under certain network conditions. If
this occurs a NETDEV WATCHDOG message is logged in the system
event log. In addition, the controller is automatically reset,
@@ -206,9 +225,11 @@ CAUTION: When setting RxIntDelay to a value other than 0, adapters may
RxAbsIntDelay
-------------
+
(This parameter is supported only on 82540, 82545 and later adapters.)
-Valid Range: 0-65535 (0=off)
-Default Value: 128
+
+:Valid Range: 0-65535 (0=off)
+:Default Value: 128
This value, in units of 1.024 microseconds, limits the delay in which a
receive interrupt is generated. Useful only if RxIntDelay is non-zero,
@@ -219,9 +240,11 @@ conditions.
Speed
-----
+
(This parameter is supported only on adapters with copper connections.)
-Valid Settings: 0, 10, 100, 1000
-Default Value: 0 (auto-negotiate at all supported speeds)
+
+:Valid Settings: 0, 10, 100, 1000
+:Default Value: 0 (auto-negotiate at all supported speeds)
Speed forces the line speed to the specified value in megabits per second
(Mbps). If this parameter is not specified or is set to 0 and the link
@@ -230,22 +253,26 @@ speed. Duplex should also be set when Speed is set to either 10 or 100.
TxDescriptors
-------------
-Valid Range: 48-256 for 82542 and 82543-based adapters
- 48-4096 for all other supported adapters
-Default Value: 256
+
+:Valid Range:
+ - 48-256 for 82542 and 82543-based adapters
+ - 48-4096 for all other supported adapters
+:Default Value: 256
This value is the number of transmit descriptors allocated by the driver.
Increasing this value allows the driver to queue more transmits. Each
descriptor is 16 bytes.
-NOTE: Depending on the available system resources, the request for a
+NOTE:
+ Depending on the available system resources, the request for a
higher number of transmit descriptors may be denied. In this case,
use a lower number.
TxIntDelay
----------
-Valid Range: 0-65535 (0=off)
-Default Value: 8
+
+:Valid Range: 0-65535 (0=off)
+:Default Value: 8
This value delays the generation of transmit interrupts in units of
1.024 microseconds. Transmit interrupt reduction can improve CPU
@@ -255,9 +282,11 @@ causing the driver to run out of available transmit descriptors.
TxAbsIntDelay
-------------
+
(This parameter is supported only on 82540, 82545 and later adapters.)
-Valid Range: 0-65535 (0=off)
-Default Value: 32
+
+:Valid Range: 0-65535 (0=off)
+:Default Value: 32
This value, in units of 1.024 microseconds, limits the delay in which a
transmit interrupt is generated. Useful only if TxIntDelay is non-zero,
@@ -268,18 +297,21 @@ network conditions.
XsumRX
------
+
(This parameter is NOT supported on the 82542-based adapter.)
-Valid Range: 0-1
-Default Value: 1
+
+:Valid Range: 0-1
+:Default Value: 1
A value of '1' indicates that the driver should enable IP checksum
offload for received packets (both UDP and TCP) to the adapter hardware.
Copybreak
---------
-Valid Range: 0-xxxxxxx (0=off)
-Default Value: 256
-Usage: modprobe e1000.ko copybreak=128
+
+:Valid Range: 0-xxxxxxx (0=off)
+:Default Value: 256
+:Usage: modprobe e1000.ko copybreak=128
Driver copies all packets below or equaling this size to a fresh RX
buffer before handing it up the stack.
@@ -291,8 +323,9 @@ it is also available during runtime at
SmartPowerDownEnable
--------------------
-Valid Range: 0-1
-Default Value: 0 (disabled)
+
+:Valid Range: 0-1
+:Default Value: 0 (disabled)
Allows PHY to turn off in lower power states. The user can turn off
this parameter in supported chipsets.
@@ -308,14 +341,14 @@ fiber interface board only links at 1000 Mbps full-duplex.
For copper-based boards, the keywords interact as follows:
- The default operation is auto-negotiate. The board advertises all
+- The default operation is auto-negotiate. The board advertises all
supported speed and duplex combinations, and it links at the highest
common speed and duplex mode IF the link partner is set to auto-negotiate.
- If Speed = 1000, limited auto-negotiation is enabled and only 1000 Mbps
+- If Speed = 1000, limited auto-negotiation is enabled and only 1000 Mbps
is advertised (The 1000BaseT spec requires auto-negotiation.)
- If Speed = 10 or 100, then both Speed and Duplex should be set. Auto-
+- If Speed = 10 or 100, then both Speed and Duplex should be set. Auto-
negotiation is disabled, and the AutoNeg parameter is ignored. Partner
SHOULD also be forced.
@@ -327,13 +360,15 @@ process.
The parameter may be specified as either a decimal or hexadecimal value as
determined by the bitmap below.
+============== ====== ====== ======= ======= ====== ====== ======= ======
Bit position 7 6 5 4 3 2 1 0
Decimal Value 128 64 32 16 8 4 2 1
Hex value 80 40 20 10 8 4 2 1
Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
Duplex Full Full Half Full Half
+============== ====== ====== ======= ======= ====== ====== ======= ======
-Some examples of using AutoNeg:
+Some examples of using AutoNeg::
modprobe e1000 AutoNeg=0x01 (Restricts autonegotiation to 10 Half)
modprobe e1000 AutoNeg=1 (Same as above)
@@ -354,8 +389,9 @@ previously mentioned to force the adapter to the same speed and duplex.
Additional Configurations
=========================
- Jumbo Frames
- ------------
+Jumbo Frames
+------------
+
Jumbo Frames support is enabled by changing the MTU to a value larger than
the default of 1500. Use the ifconfig command to increase the MTU size.
For example::
@@ -367,11 +403,11 @@ Additional Configurations
MTU=9000
- to the file /etc/sysconfig/network-scripts/ifcfg-eth<x>. This example
- applies to the Red Hat distributions; other distributions may store this
- setting in a different location.
+ to the file /etc/sysconfig/network-scripts/ifcfg-eth<x>. This example
+ applies to the Red Hat distributions; other distributions may store this
+ setting in a different location.
- Notes:
+Notes:
Degradation in throughput performance may be observed in some Jumbo frames
environments. If this is observed, increasing the application's socket buffer
size and/or increasing the /proc/sys/net/ipv4/tcp_*mem entry values may help.
@@ -385,12 +421,14 @@ Additional Configurations
poor performance or loss of link.
- Adapters based on the Intel(R) 82542 and 82573V/E controller do not
- support Jumbo Frames. These correspond to the following product names:
+ support Jumbo Frames. These correspond to the following product names::
+
Intel(R) PRO/1000 Gigabit Server Adapter
Intel(R) PRO/1000 PM Network Connection
- ethtool
- -------
+ethtool
+-------
+
The driver utilizes the ethtool interface for driver configuration and
diagnostics, as well as displaying statistical information. The ethtool
version 1.6 or later is required for this functionality.
@@ -398,8 +436,9 @@ Additional Configurations
The latest release of ethtool can be found from
https://www.kernel.org/pub/software/network/ethtool/
- Enabling Wake on LAN* (WoL)
- ---------------------------
+Enabling Wake on LAN* (WoL)
+---------------------------
+
WoL is configured through the ethtool* utility.
WoL will be enabled on the system during the next shut down or reboot.
diff --git a/Documentation/networking/strparser.txt b/Documentation/networking/strparser.txt
index 13081b3decef..a7d354ddda7b 100644
--- a/Documentation/networking/strparser.txt
+++ b/Documentation/networking/strparser.txt
@@ -48,7 +48,7 @@ void strp_pause(struct strparser *strp)
Temporarily pause a stream parser. Message parsing is suspended
and no new messages are delivered to the upper layer.
-void strp_pause(struct strparser *strp)
+void strp_unpause(struct strparser *strp)
Unpause a paused stream parser.
diff --git a/Documentation/trace/histogram.txt b/Documentation/trace/histogram.txt
index e73bcf9cb5f3..7ffea6aa22e3 100644
--- a/Documentation/trace/histogram.txt
+++ b/Documentation/trace/histogram.txt
@@ -1729,35 +1729,35 @@ If a variable isn't a key variable or prefixed with 'vals=', the
associated event field will be saved in a variable but won't be summed
as a value:
- # echo 'hist:keys=next_pid:ts1=common_timestamp ... >> event/trigger
+ # echo 'hist:keys=next_pid:ts1=common_timestamp ...' >> event/trigger
Multiple variables can be assigned at the same time. The below would
result in both ts0 and b being created as variables, with both
common_timestamp and field1 additionally being summed as values:
- # echo 'hist:keys=pid:vals=$ts0,$b:ts0=common_timestamp,b=field1 ... >> \
+ # echo 'hist:keys=pid:vals=$ts0,$b:ts0=common_timestamp,b=field1 ...' >> \
event/trigger
Note that variable assignments can appear either preceding or
following their use. The command below behaves identically to the
command above:
- # echo 'hist:keys=pid:ts0=common_timestamp,b=field1:vals=$ts0,$b ... >> \
+ # echo 'hist:keys=pid:ts0=common_timestamp,b=field1:vals=$ts0,$b ...' >> \
event/trigger
Any number of variables not bound to a 'vals=' prefix can also be
assigned by simply separating them with colons. Below is the same
thing but without the values being summed in the histogram:
- # echo 'hist:keys=pid:ts0=common_timestamp:b=field1 ... >> event/trigger
+ # echo 'hist:keys=pid:ts0=common_timestamp:b=field1 ...' >> event/trigger
Variables set as above can be referenced and used in expressions on
another event.
For example, here's how a latency can be calculated:
- # echo 'hist:keys=pid,prio:ts0=common_timestamp ... >> event1/trigger
- # echo 'hist:keys=next_pid:wakeup_lat=common_timestamp-$ts0 ... >> event2/trigger
+ # echo 'hist:keys=pid,prio:ts0=common_timestamp ...' >> event1/trigger
+ # echo 'hist:keys=next_pid:wakeup_lat=common_timestamp-$ts0 ...' >> event2/trigger
In the first line above, the event's timetamp is saved into the
variable ts0. In the next line, ts0 is subtracted from the second
@@ -1766,7 +1766,7 @@ yet another variable, 'wakeup_lat'. The hist trigger below in turn
makes use of the wakeup_lat variable to compute a combined latency
using the same key and variable from yet another event:
- # echo 'hist:key=pid:wakeupswitch_lat=$wakeup_lat+$switchtime_lat ... >> event3/trigger
+ # echo 'hist:key=pid:wakeupswitch_lat=$wakeup_lat+$switchtime_lat ...' >> event3/trigger
2.2.2 Synthetic Events
----------------------
@@ -1807,10 +1807,11 @@ the command that defined it with a '!':
At this point, there isn't yet an actual 'wakeup_latency' event
instantiated in the event subsytem - for this to happen, a 'hist
trigger action' needs to be instantiated and bound to actual fields
-and variables defined on other events (see Section 6.3.3 below).
+and variables defined on other events (see Section 2.2.3 below on
+how that is done using hist trigger 'onmatch' action). Once that is
+done, the 'wakeup_latency' synthetic event instance is created.
-Once that is done, an event instance is created, and a histogram can
-be defined using it:
+A histogram can now be defined for the new synthetic event:
# echo 'hist:keys=pid,prio,lat.log2:sort=pid,lat' >> \
/sys/kernel/debug/tracing/events/synthetic/wakeup_latency/trigger
@@ -1960,7 +1961,7 @@ hist trigger specification.
back to that pid, the timestamp difference is calculated. If the
resulting latency, stored in wakeup_lat, exceeds the current
maximum latency, the values specified in the save() fields are
- recoreded:
+ recorded:
# echo 'hist:keys=pid:ts0=common_timestamp.usecs \
if comm=="cyclictest"' >> \
diff --git a/Documentation/usb/gadget_configfs.txt b/Documentation/usb/gadget_configfs.txt
index 635e57493709..b8cb38a98c19 100644
--- a/Documentation/usb/gadget_configfs.txt
+++ b/Documentation/usb/gadget_configfs.txt
@@ -226,7 +226,7 @@ $ rm configs/<config name>.<number>/<function>
where <config name>.<number> specify the configuration and <function> is
a symlink to a function being removed from the configuration, e.g.:
-$ rm configfs/c.1/ncm.usb0
+$ rm configs/c.1/ncm.usb0
...
...
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 495b7742ab58..d10944e619d3 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -4610,7 +4610,7 @@ This capability indicates that kvm will implement the interfaces to handle
reset, migration and nested KVM for branch prediction blocking. The stfle
facility 82 should not be provided to the guest without this capability.
-8.14 KVM_CAP_HYPERV_TLBFLUSH
+8.18 KVM_CAP_HYPERV_TLBFLUSH
Architectures: x86
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d5eeff51b5f..7cebd5bba8a8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -581,7 +581,7 @@ W: https://www.infradead.org/~dhowells/kafs/
AGPGART DRIVER
M: David Airlie <airlied@linux.ie>
-T: git git://people.freedesktop.org/~airlied/linux (part of drm maint)
+T: git git://anongit.freedesktop.org/drm/drm
S: Maintained
F: drivers/char/agp/
F: include/linux/agp*
@@ -2523,7 +2523,7 @@ S: Supported
F: drivers/scsi/esas2r
ATUSB IEEE 802.15.4 RADIO DRIVER
-M: Stefan Schmidt <stefan@osg.samsung.com>
+M: Stefan Schmidt <stefan@datenfreihafen.org>
L: linux-wpan@vger.kernel.org
S: Maintained
F: drivers/net/ieee802154/atusb.c
@@ -2971,9 +2971,13 @@ N: bcm585*
N: bcm586*
N: bcm88312
N: hr2
-F: arch/arm64/boot/dts/broadcom/ns2*
+N: stingray
+F: arch/arm64/boot/dts/broadcom/northstar2/*
+F: arch/arm64/boot/dts/broadcom/stingray/*
F: drivers/clk/bcm/clk-ns*
+F: drivers/clk/bcm/clk-sr*
F: drivers/pinctrl/bcm/pinctrl-ns*
+F: include/dt-bindings/clock/bcm-sr*
BROADCOM KONA GPIO DRIVER
M: Ray Jui <rjui@broadcom.com>
@@ -4360,12 +4364,7 @@ L: iommu@lists.linux-foundation.org
T: git git://git.infradead.org/users/hch/dma-mapping.git
W: http://git.infradead.org/users/hch/dma-mapping.git
S: Supported
-F: lib/dma-debug.c
-F: lib/dma-direct.c
-F: lib/dma-noncoherent.c
-F: lib/dma-virt.c
-F: drivers/base/dma-mapping.c
-F: drivers/base/dma-coherent.c
+F: kernel/dma/
F: include/asm-generic/dma-mapping.h
F: include/linux/dma-direct.h
F: include/linux/dma-mapping.h
@@ -4461,6 +4460,7 @@ F: Documentation/blockdev/drbd/
DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+R: "Rafael J. Wysocki" <rafael@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
S: Supported
F: Documentation/kobject.txt
@@ -4631,7 +4631,7 @@ F: include/uapi/drm/vmwgfx_drm.h
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
L: dri-devel@lists.freedesktop.org
-T: git git://people.freedesktop.org/~airlied/linux
+T: git git://anongit.freedesktop.org/drm/drm
B: https://bugs.freedesktop.org/
C: irc://chat.freenode.net/dri-devel
S: Maintained
@@ -5444,6 +5444,7 @@ F: drivers/iommu/exynos-iommu.c
EZchip NPS platform support
M: Vineet Gupta <vgupta@synopsys.com>
+M: Ofer Levi <oferle@mellanox.com>
S: Supported
F: arch/arc/plat-eznps
F: arch/arc/boot/dts/eznps.dts
@@ -5674,7 +5675,7 @@ F: drivers/crypto/caam/
F: Documentation/devicetree/bindings/crypto/fsl-sec4.txt
FREESCALE DIU FRAMEBUFFER DRIVER
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
L: linux-fbdev@vger.kernel.org
S: Maintained
F: drivers/video/fbdev/fsl-diu-fb.*
@@ -5774,7 +5775,7 @@ S: Maintained
F: drivers/net/wan/fsl_ucc_hdlc*
FREESCALE QUICC ENGINE UCC UART DRIVER
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/tty/serial/ucc_uart.c
@@ -5790,7 +5791,6 @@ F: include/linux/fsl/
FREESCALE SOC FS_ENET DRIVER
M: Pantelis Antoniou <pantelis.antoniou@gmail.com>
-M: Vitaly Bordug <vbordug@ru.mvista.com>
L: linuxppc-dev@lists.ozlabs.org
L: netdev@vger.kernel.org
S: Maintained
@@ -5798,7 +5798,7 @@ F: drivers/net/ethernet/freescale/fs_enet/
F: include/linux/fs_enet_pd.h
FREESCALE SOC SOUND DRIVERS
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
M: Nicolin Chen <nicoleotsuka@gmail.com>
M: Xiubo Li <Xiubo.Lee@gmail.com>
R: Fabio Estevam <fabio.estevam@nxp.com>
@@ -6909,7 +6909,7 @@ F: drivers/clk/clk-versaclock5.c
IEEE 802.15.4 SUBSYSTEM
M: Alexander Aring <alex.aring@gmail.com>
-M: Stefan Schmidt <stefan@osg.samsung.com>
+M: Stefan Schmidt <stefan@datenfreihafen.org>
L: linux-wpan@vger.kernel.org
W: http://wpan.cakelab.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan.git
@@ -7096,6 +7096,7 @@ F: include/uapi/linux/input.h
F: include/uapi/linux/input-event-codes.h
F: include/linux/input/
F: Documentation/devicetree/bindings/input/
+F: Documentation/devicetree/bindings/serio/
F: Documentation/input/
INPUT MULTITOUCH (MT) PROTOCOL
@@ -7985,7 +7986,7 @@ F: lib/test_kmod.c
F: tools/testing/selftests/kmod/
KPROBES
-M: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
+M: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
M: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
M: "David S. Miller" <davem@davemloft.net>
M: Masami Hiramatsu <mhiramat@kernel.org>
@@ -8629,7 +8630,7 @@ MARVELL MWIFIEX WIRELESS DRIVER
M: Amitkumar Karwar <amitkarwar@gmail.com>
M: Nishant Sarmukadam <nishants@marvell.com>
M: Ganapathi Bhat <gbhat@marvell.com>
-M: Xinming Hu <huxm@marvell.com>
+M: Xinming Hu <huxinming820@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/marvell/mwifiex/
@@ -9075,7 +9076,7 @@ S: Maintained
F: drivers/usb/mtu3/
MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES
-M: Peter Senna Tschudin <peter.senna@collabora.com>
+M: Peter Senna Tschudin <peter.senna@gmail.com>
M: Martin Donnelly <martin.donnelly@ge.com>
M: Martyn Welch <martyn.welch@collabora.co.uk>
S: Maintained
@@ -9756,6 +9757,11 @@ L: linux-scsi@vger.kernel.org
S: Maintained
F: drivers/scsi/NCR_D700.*
+NCSI LIBRARY:
+M: Samuel Mendoza-Jonas <sam@mendozajonas.com>
+S: Maintained
+F: net/ncsi/
+
NCT6775 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@roeck-us.net>
L: linux-hwmon@vger.kernel.org
@@ -9882,6 +9888,7 @@ M: Andrew Lunn <andrew@lunn.ch>
M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
M: Florian Fainelli <f.fainelli@gmail.com>
S: Maintained
+F: Documentation/devicetree/bindings/net/dsa/
F: net/dsa/
F: include/net/dsa.h
F: include/linux/dsa/
@@ -10208,11 +10215,13 @@ F: sound/soc/codecs/sgtl5000*
NXP TDA998X DRM DRIVER
M: Russell King <linux@armlinux.org.uk>
-S: Supported
+S: Maintained
T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-devel
T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-fixes
F: drivers/gpu/drm/i2c/tda998x_drv.c
F: include/drm/i2c/tda998x.h
+F: include/dt-bindings/display/tda998x.h
+K: "nxp,tda998x"
NXP TFA9879 DRIVER
M: Peter Rosin <peda@axentia.se>
@@ -11476,6 +11485,15 @@ W: http://wireless.kernel.org/en/users/Drivers/p54
S: Obsolete
F: drivers/net/wireless/intersil/prism54/
+PROC FILESYSTEM
+R: Alexey Dobriyan <adobriyan@gmail.com>
+L: linux-kernel@vger.kernel.org
+L: linux-fsdevel@vger.kernel.org
+S: Maintained
+F: fs/proc/
+F: include/linux/proc_fs.h
+F: tools/testing/selftests/proc/
+
PROC SYSCTL
M: "Luis R. Rodriguez" <mcgrof@kernel.org>
M: Kees Cook <keescook@chromium.org>
@@ -11808,9 +11826,9 @@ F: Documentation/devicetree/bindings/opp/kryo-cpufreq.txt
F: drivers/cpufreq/qcom-cpufreq-kryo.c
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
-M: Timur Tabi <timur@codeaurora.org>
+M: Timur Tabi <timur@kernel.org>
L: netdev@vger.kernel.org
-S: Supported
+S: Maintained
F: drivers/net/ethernet/qualcomm/emac/
QUALCOMM HEXAGON ARCHITECTURE
@@ -11821,7 +11839,7 @@ S: Supported
F: arch/hexagon/
QUALCOMM HIDMA DRIVER
-M: Sinan Kaya <okaya@codeaurora.org>
+M: Sinan Kaya <okaya@kernel.org>
L: linux-arm-kernel@lists.infradead.org
L: linux-arm-msm@vger.kernel.org
L: dmaengine@vger.kernel.org
@@ -13648,7 +13666,7 @@ M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
L: iommu@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git
S: Supported
-F: lib/swiotlb.c
+F: kernel/dma/swiotlb.c
F: arch/*/kernel/pci-swiotlb.c
F: include/linux/swiotlb.h
@@ -15572,9 +15590,17 @@ M: x86@kernel.org
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
S: Maintained
+F: Documentation/devicetree/bindings/x86/
F: Documentation/x86/
F: arch/x86/
+X86 ENTRY CODE
+M: Andy Lutomirski <luto@kernel.org>
+L: linux-kernel@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm
+S: Maintained
+F: arch/x86/entry/
+
X86 MCE INFRASTRUCTURE
M: Tony Luck <tony.luck@intel.com>
M: Borislav Petkov <bp@alien8.de>
@@ -15597,7 +15623,7 @@ F: drivers/platform/x86/
F: drivers/platform/olpc/
X86 VDSO
-M: Andy Lutomirski <luto@amacapital.net>
+M: Andy Lutomirski <luto@kernel.org>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso
S: Maintained
diff --git a/Makefile b/Makefile
index ca2af1ab91eb..85f3481a56d6 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 4
PATCHLEVEL = 18
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc7
NAME = Merciless Moray
# *DOCUMENTATION*
@@ -353,9 +353,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi)
-HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS)
-HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS)
-HOST_LFS_LIBS := $(shell getconf LFS_LIBS)
+HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
+HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
+HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
HOSTCC = gcc
HOSTCXX = g++
@@ -507,11 +507,6 @@ ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLA
KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
endif
-ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC)), y)
- CC_CAN_LINK := y
- export CC_CAN_LINK
-endif
-
# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
@@ -1717,6 +1712,6 @@ endif # skip-makefile
PHONY += FORCE
FORCE:
-# Declare the contents of the .PHONY variable as phony. We keep that
+# Declare the contents of the PHONY variable as phony. We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 0c4805a572c8..04a4a138ed13 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -555,11 +555,6 @@ config SMP
If you don't know what to do here, say N.
-config HAVE_DEC_LOCK
- bool
- depends on SMP
- default y
-
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 6e921754c8fc..c210a25dd6da 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1180,13 +1180,10 @@ SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru)
SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
struct rusage32 __user *, ur)
{
- unsigned int status = 0;
struct rusage r;
- long err = kernel_wait4(pid, &status, options, &r);
+ long err = kernel_wait4(pid, ustatus, options, &r);
if (err <= 0)
return err;
- if (put_user(status, ustatus))
- return -EFAULT;
if (!ur)
return err;
if (put_tv_to_tv32(&ur->ru_utime, &r.ru_utime))
diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile
index 04f9729de57c..854d5e79979e 100644
--- a/arch/alpha/lib/Makefile
+++ b/arch/alpha/lib/Makefile
@@ -35,8 +35,6 @@ lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \
callback_srm.o srm_puts.o srm_printk.o \
fls.o
-lib-$(CONFIG_SMP) += dec_and_lock.o
-
# The division routines are built from single source, with different defines.
AFLAGS___divqu.o = -DDIV
AFLAGS___remqu.o = -DREM
diff --git a/arch/alpha/lib/dec_and_lock.c b/arch/alpha/lib/dec_and_lock.c
deleted file mode 100644
index a117707f57fe..000000000000
--- a/arch/alpha/lib/dec_and_lock.c
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/alpha/lib/dec_and_lock.c
- *
- * ll/sc version of atomic_dec_and_lock()
- *
- */
-
-#include <linux/spinlock.h>
-#include <linux/atomic.h>
-#include <linux/export.h>
-
- asm (".text \n\
- .global _atomic_dec_and_lock \n\
- .ent _atomic_dec_and_lock \n\
- .align 4 \n\
-_atomic_dec_and_lock: \n\
- .prologue 0 \n\
-1: ldl_l $1, 0($16) \n\
- subl $1, 1, $1 \n\
- beq $1, 2f \n\
- stl_c $1, 0($16) \n\
- beq $1, 4f \n\
- mb \n\
- clr $0 \n\
- ret \n\
-2: br $29, 3f \n\
-3: ldgp $29, 0($29) \n\
- br $atomic_dec_and_lock_1..ng \n\
- .subsection 2 \n\
-4: br 1b \n\
- .previous \n\
- .end _atomic_dec_and_lock");
-
-static int __used atomic_dec_and_lock_1(atomic_t *atomic, spinlock_t *lock)
-{
- /* Slow path */
- spin_lock(lock);
- if (atomic_dec_and_test(atomic))
- return 1;
- spin_unlock(lock);
- return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index e81bcd271be7..5151d81476a1 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -50,6 +50,9 @@ config ARC
select HAVE_KERNEL_LZMA
select ARCH_HAS_PTE_SPECIAL
+config ARCH_HAS_CACHE_LINE_SIZE
+ def_bool y
+
config MIGHT_HAVE_PCI
bool
@@ -413,7 +416,7 @@ config ARC_HAS_DIV_REM
config ARC_HAS_ACCL_REGS
bool "Reg Pair ACCL:ACCH (FPU and/or MPY > 6)"
- default n
+ default y
help
Depending on the configuration, CPU can contain accumulator reg-pair
(also referred to as r58:r59). These can also be used by gcc as GPR so
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index d37f49d6a27f..6c1b20dd76ad 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -16,7 +16,7 @@ endif
KBUILD_DEFCONFIG := nsim_700_defconfig
-cflags-y += -fno-common -pipe -fno-builtin -D__linux__
+cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
cflags-$(CONFIG_ISA_ARCV2) += -mcpu=archs
@@ -140,16 +140,3 @@ dtbs: scripts
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-
-# Hacks to enable final link due to absence of link-time branch relexation
-# and gcc choosing optimal(shorter) branches at -O3
-#
-# vineetg Feb 2010: -mlong-calls switched off for overall kernel build
-# However lib/decompress_inflate.o (.init.text) calls
-# zlib_inflate_workspacesize (.text) causing relocation errors.
-# Thus forcing all exten calls in this file to be long calls
-export CFLAGS_decompress_inflate.o = -mmedium-calls
-export CFLAGS_initramfs.o = -mmedium-calls
-ifdef CONFIG_SMP
-export CFLAGS_core.o = -mmedium-calls
-endif
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index 09f85154c5a4..a635ea972304 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index 09fed3ef22b6..aa507e423075 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index ea2f6d817d1a..eba07f468654 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/haps_hs_defconfig b/arch/arc/configs/haps_hs_defconfig
index ab231c040efe..098b19fbaa51 100644
--- a/arch/arc/configs/haps_hs_defconfig
+++ b/arch/arc/configs/haps_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EXPERT=y
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
diff --git a/arch/arc/configs/haps_hs_smp_defconfig b/arch/arc/configs/haps_hs_smp_defconfig
index cf449cbf440d..0104c404d897 100644
--- a/arch/arc/configs/haps_hs_smp_defconfig
+++ b/arch/arc/configs/haps_hs_smp_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 1b54c72f4296..6491be0ddbc9 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -9,7 +9,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
# CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index 31c2c70b34a1..99e05cf63fca 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index a578c721d50f..0dc4f9b737e7 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index 37d7395f3272..be3c30a15e54 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -9,7 +9,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index 1e1470e2a7f0..3a74b9b21772 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index 084a6e42685b..ea2834b4dc1d 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -11,7 +11,6 @@ CONFIG_NAMESPACES=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_PERF_EVENTS=y
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index f36d47990415..80a5a1b4924b 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -9,7 +9,6 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_UTS_NS is not set
# CONFIG_PID_NS is not set
CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/"
CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
CONFIG_KPROBES=y
diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
index 1aca2e8fd1ba..2cc87f909747 100644
--- a/arch/arc/configs/tb10x_defconfig
+++ b/arch/arc/configs/tb10x_defconfig
@@ -56,7 +56,6 @@ CONFIG_STMMAC_ETH=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
-CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index 8486f328cc5d..ff7d3232764a 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -48,7 +48,9 @@
})
/* Largest line length for either L1 or L2 is 128 bytes */
-#define ARCH_DMA_MINALIGN 128
+#define SMP_CACHE_BYTES 128
+#define cache_line_size() SMP_CACHE_BYTES
+#define ARCH_DMA_MINALIGN SMP_CACHE_BYTES
extern void arc_cache_init(void);
extern char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len);
diff --git a/arch/arc/include/asm/delay.h b/arch/arc/include/asm/delay.h
index d5da2115d78a..03d6bb0f4e13 100644
--- a/arch/arc/include/asm/delay.h
+++ b/arch/arc/include/asm/delay.h
@@ -17,8 +17,11 @@
#ifndef __ASM_ARC_UDELAY_H
#define __ASM_ARC_UDELAY_H
+#include <asm-generic/types.h>
#include <asm/param.h> /* HZ */
+extern unsigned long loops_per_jiffy;
+
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__(
diff --git a/arch/arc/include/asm/entry-compact.h b/arch/arc/include/asm/entry-compact.h
index ec36d5b6d435..29f3988c9424 100644
--- a/arch/arc/include/asm/entry-compact.h
+++ b/arch/arc/include/asm/entry-compact.h
@@ -234,6 +234,9 @@
POP gp
RESTORE_R12_TO_R0
+#ifdef CONFIG_ARC_CURR_IN_REG
+ ld r25, [sp, 12]
+#endif
ld sp, [sp] /* restore original sp */
/* orig_r0, ECR, user_r25 skipped automatically */
.endm
@@ -315,6 +318,9 @@
POP gp
RESTORE_R12_TO_R0
+#ifdef CONFIG_ARC_CURR_IN_REG
+ ld r25, [sp, 12]
+#endif
ld sp, [sp] /* restore original sp */
/* orig_r0, ECR, user_r25 skipped automatically */
.endm
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index 51597f344a62..302b0db8ea2b 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -86,9 +86,6 @@
POP r1
POP r0
-#ifdef CONFIG_ARC_CURR_IN_REG
- ld r25, [sp, 12]
-#endif
.endm
/*--------------------------------------------------------------
diff --git a/arch/arc/include/asm/mach_desc.h b/arch/arc/include/asm/mach_desc.h
index c28e6c347b49..871f3cb16af9 100644
--- a/arch/arc/include/asm/mach_desc.h
+++ b/arch/arc/include/asm/mach_desc.h
@@ -34,9 +34,7 @@ struct machine_desc {
const char *name;
const char **dt_compat;
void (*init_early)(void);
-#ifdef CONFIG_SMP
void (*init_per_cpu)(unsigned int);
-#endif
void (*init_machine)(void);
void (*init_late)(void);
diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h
index 109baa06831c..09ddddf71cc5 100644
--- a/arch/arc/include/asm/page.h
+++ b/arch/arc/include/asm/page.h
@@ -105,7 +105,7 @@ typedef pte_t * pgtable_t;
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
/* Default Permissions for stack/heaps pages (Non Executable) */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE)
+#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#define WANT_PAGE_VIRTUAL 1
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 8ec5599a0957..cf4be70d5892 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -377,7 +377,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
/* Decode a PTE containing swap "identifier "into constituents */
#define __swp_type(pte_lookalike) (((pte_lookalike).val) & 0x1f)
-#define __swp_offset(pte_lookalike) ((pte_lookalike).val << 13)
+#define __swp_offset(pte_lookalike) ((pte_lookalike).val >> 13)
/* NOPs, to keep generic kernel happy */
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index 538b36afe89e..62b185057c04 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -31,10 +31,10 @@ void __init init_IRQ(void)
/* a SMP H/w block could do IPI IRQ request here */
if (plat_smp_ops.init_per_cpu)
plat_smp_ops.init_per_cpu(smp_processor_id());
+#endif
if (machine_desc->init_per_cpu)
machine_desc->init_per_cpu(smp_processor_id());
-#endif
}
/*
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index 5ac3b547453f..4674541eba3f 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -47,7 +47,8 @@ SYSCALL_DEFINE0(arc_gettls)
SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new)
{
struct pt_regs *regs = current_pt_regs();
- int uval = -EFAULT;
+ u32 uval;
+ int ret;
/*
* This is only for old cores lacking LLOCK/SCOND, which by defintion
@@ -60,23 +61,47 @@ SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new)
/* Z indicates to userspace if operation succeded */
regs->status32 &= ~STATUS_Z_MASK;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
- return -EFAULT;
+ ret = access_ok(VERIFY_WRITE, uaddr, sizeof(*uaddr));
+ if (!ret)
+ goto fail;
+again:
preempt_disable();
- if (__get_user(uval, uaddr))
- goto done;
+ ret = __get_user(uval, uaddr);
+ if (ret)
+ goto fault;
- if (uval == expected) {
- if (!__put_user(new, uaddr))
- regs->status32 |= STATUS_Z_MASK;
- }
+ if (uval != expected)
+ goto out;
-done:
- preempt_enable();
+ ret = __put_user(new, uaddr);
+ if (ret)
+ goto fault;
+
+ regs->status32 |= STATUS_Z_MASK;
+out:
+ preempt_enable();
return uval;
+
+fault:
+ preempt_enable();
+
+ if (unlikely(ret != -EFAULT))
+ goto fail;
+
+ down_read(&current->mm->mmap_sem);
+ ret = fixup_user_fault(current, current->mm, (unsigned long) uaddr,
+ FAULT_FLAG_WRITE, NULL);
+ up_read(&current->mm->mmap_sem);
+
+ if (likely(!ret))
+ goto again;
+
+fail:
+ force_sig(SIGSEGV, current);
+ return ret;
}
#ifdef CONFIG_ISA_ARCV2
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 9dbe645ee127..25c631942500 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -1038,7 +1038,7 @@ void flush_cache_mm(struct mm_struct *mm)
void flush_cache_page(struct vm_area_struct *vma, unsigned long u_vaddr,
unsigned long pfn)
{
- unsigned int paddr = pfn << PAGE_SHIFT;
+ phys_addr_t paddr = pfn << PAGE_SHIFT;
u_vaddr &= PAGE_MASK;
@@ -1058,8 +1058,9 @@ void flush_anon_page(struct vm_area_struct *vma, struct page *page,
unsigned long u_vaddr)
{
/* TBD: do we really need to clear the kernel mapping */
- __flush_dcache_page(page_address(page), u_vaddr);
- __flush_dcache_page(page_address(page), page_address(page));
+ __flush_dcache_page((phys_addr_t)page_address(page), u_vaddr);
+ __flush_dcache_page((phys_addr_t)page_address(page),
+ (phys_addr_t)page_address(page));
}
@@ -1246,6 +1247,16 @@ void __init arc_cache_init_master(void)
}
}
+ /*
+ * Check that SMP_CACHE_BYTES (and hence ARCH_DMA_MINALIGN) is larger
+ * or equal to any cache line length.
+ */
+ BUILD_BUG_ON_MSG(L1_CACHE_BYTES > SMP_CACHE_BYTES,
+ "SMP_CACHE_BYTES must be >= any cache line length");
+ if (is_isa_arcv2() && (l2_line_sz > SMP_CACHE_BYTES))
+ panic("L2 Cache line [%d] > kernel Config [%d]\n",
+ l2_line_sz, SMP_CACHE_BYTES);
+
/* Note that SLC disable not formally supported till HS 3.0 */
if (is_isa_arcv2() && l2_line_sz && !slc_enable)
arc_slc_disable();
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index 8c1071840979..ec47e6079f5d 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -129,14 +129,59 @@ int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma,
return ret;
}
+/*
+ * Cache operations depending on function and direction argument, inspired by
+ * https://lkml.org/lkml/2018/5/18/979
+ * "dma_sync_*_for_cpu and direction=TO_DEVICE (was Re: [PATCH 02/20]
+ * dma-mapping: provide a generic dma-noncoherent implementation)"
+ *
+ * | map == for_device | unmap == for_cpu
+ * |----------------------------------------------------------------
+ * TO_DEV | writeback writeback | none none
+ * FROM_DEV | invalidate invalidate | invalidate* invalidate*
+ * BIDIR | writeback+inv writeback+inv | invalidate invalidate
+ *
+ * [*] needed for CPU speculative prefetches
+ *
+ * NOTE: we don't check the validity of direction argument as it is done in
+ * upper layer functions (in include/linux/dma-mapping.h)
+ */
+
void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
- dma_cache_wback(paddr, size);
+ switch (dir) {
+ case DMA_TO_DEVICE:
+ dma_cache_wback(paddr, size);
+ break;
+
+ case DMA_FROM_DEVICE:
+ dma_cache_inv(paddr, size);
+ break;
+
+ case DMA_BIDIRECTIONAL:
+ dma_cache_wback_inv(paddr, size);
+ break;
+
+ default:
+ break;
+ }
}
void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
- dma_cache_inv(paddr, size);
+ switch (dir) {
+ case DMA_TO_DEVICE:
+ break;
+
+ /* FROM_DEVICE invalidate needed if speculative CPU prefetch only */
+ case DMA_FROM_DEVICE:
+ case DMA_BIDIRECTIONAL:
+ dma_cache_inv(paddr, size);
+ break;
+
+ default:
+ break;
+ }
}
diff --git a/arch/arc/plat-eznps/include/plat/ctop.h b/arch/arc/plat-eznps/include/plat/ctop.h
index 0c7d11022d0f..4f6a1673b3a6 100644
--- a/arch/arc/plat-eznps/include/plat/ctop.h
+++ b/arch/arc/plat-eznps/include/plat/ctop.h
@@ -21,6 +21,7 @@
#error "Incorrect ctop.h include"
#endif
+#include <linux/types.h>
#include <soc/nps/common.h>
/* core auxiliary registers */
@@ -143,6 +144,15 @@ struct nps_host_reg_gim_p_int_dst {
};
/* AUX registers definition */
+struct nps_host_reg_aux_dpc {
+ union {
+ struct {
+ u32 ien:1, men:1, hen:1, reserved:29;
+ };
+ u32 value;
+ };
+};
+
struct nps_host_reg_aux_udmc {
union {
struct {
diff --git a/arch/arc/plat-eznps/mtm.c b/arch/arc/plat-eznps/mtm.c
index 2388de3d09ef..ed0077ef666e 100644
--- a/arch/arc/plat-eznps/mtm.c
+++ b/arch/arc/plat-eznps/mtm.c
@@ -15,6 +15,8 @@
*/
#include <linux/smp.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/log2.h>
#include <asm/arcregs.h>
@@ -157,10 +159,10 @@ void mtm_enable_core(unsigned int cpu)
/* Verify and set the value of the mtm hs counter */
static int __init set_mtm_hs_ctr(char *ctr_str)
{
- long hs_ctr;
+ int hs_ctr;
int ret;
- ret = kstrtol(ctr_str, 0, &hs_ctr);
+ ret = kstrtoint(ctr_str, 0, &hs_ctr);
if (ret || hs_ctr > MT_HS_CNT_MAX || hs_ctr < MT_HS_CNT_MIN) {
pr_err("** Invalid @nps_mtm_hs_ctr [%d] needs to be [%d:%d] (incl)\n",
diff --git a/arch/arc/plat-hsdk/Kconfig b/arch/arc/plat-hsdk/Kconfig
index 19ab3cf98f0f..9356753c2ed8 100644
--- a/arch/arc/plat-hsdk/Kconfig
+++ b/arch/arc/plat-hsdk/Kconfig
@@ -7,5 +7,8 @@
menuconfig ARC_SOC_HSDK
bool "ARC HS Development Kit SOC"
+ depends on ISA_ARCV2
+ select ARC_HAS_ACCL_REGS
select CLK_HSDK
select RESET_HSDK
+ select MIGHT_HAVE_PCI
diff --git a/arch/arc/plat-hsdk/platform.c b/arch/arc/plat-hsdk/platform.c
index 2958aedb649a..2588b842407c 100644
--- a/arch/arc/plat-hsdk/platform.c
+++ b/arch/arc/plat-hsdk/platform.c
@@ -42,6 +42,66 @@ static void __init hsdk_init_per_cpu(unsigned int cpu)
#define SDIO_UHS_REG_EXT (SDIO_BASE + 0x108)
#define SDIO_UHS_REG_EXT_DIV_2 (2 << 30)
+#define HSDK_GPIO_INTC (ARC_PERIPHERAL_BASE + 0x3000)
+
+static void __init hsdk_enable_gpio_intc_wire(void)
+{
+ /*
+ * Peripherals on CPU Card are wired to cpu intc via intermediate
+ * DW APB GPIO blocks (mainly for debouncing)
+ *
+ * ---------------------
+ * | snps,archs-intc |
+ * ---------------------
+ * |
+ * ----------------------
+ * | snps,archs-idu-intc |
+ * ----------------------
+ * | | | | |
+ * | [eth] [USB] [... other peripherals]
+ * |
+ * -------------------
+ * | snps,dw-apb-intc |
+ * -------------------
+ * | | | |
+ * [Bt] [HAPS] [... other peripherals]
+ *
+ * Current implementation of "irq-dw-apb-ictl" driver doesn't work well
+ * with stacked INTCs. In particular problem happens if its master INTC
+ * not yet instantiated. See discussion here -
+ * https://lkml.org/lkml/2015/3/4/755
+ *
+ * So setup the first gpio block as a passive pass thru and hide it from
+ * DT hardware topology - connect intc directly to cpu intc
+ * The GPIO "wire" needs to be init nevertheless (here)
+ *
+ * One side adv is that peripheral interrupt handling avoids one nested
+ * intc ISR hop
+ *
+ * According to HSDK User's Manual [1], "Table 2 Interrupt Mapping"
+ * we have the following GPIO input lines used as sources of interrupt:
+ * - GPIO[0] - Bluetooth interrupt of RS9113 module
+ * - GPIO[2] - HAPS interrupt (on HapsTrak 3 connector)
+ * - GPIO[3] - Audio codec (MAX9880A) interrupt
+ * - GPIO[8-23] - Available on Arduino and PMOD_x headers
+ * For now there's no use of Arduino and PMOD_x headers in Linux
+ * use-case so we only enable lines 0, 2 and 3.
+ *
+ * [1] https://github.com/foss-for-synopsys-dwc-arc-processors/ARC-Development-Systems-Forum/wiki/docs/ARC_HSDK_User_Guide.pdf
+ */
+#define GPIO_INTEN (HSDK_GPIO_INTC + 0x30)
+#define GPIO_INTMASK (HSDK_GPIO_INTC + 0x34)
+#define GPIO_INTTYPE_LEVEL (HSDK_GPIO_INTC + 0x38)
+#define GPIO_INT_POLARITY (HSDK_GPIO_INTC + 0x3c)
+#define GPIO_INT_CONNECTED_MASK 0x0d
+
+ iowrite32(0xffffffff, (void __iomem *) GPIO_INTMASK);
+ iowrite32(~GPIO_INT_CONNECTED_MASK, (void __iomem *) GPIO_INTMASK);
+ iowrite32(0x00000000, (void __iomem *) GPIO_INTTYPE_LEVEL);
+ iowrite32(0xffffffff, (void __iomem *) GPIO_INT_POLARITY);
+ iowrite32(GPIO_INT_CONNECTED_MASK, (void __iomem *) GPIO_INTEN);
+}
+
static void __init hsdk_init_early(void)
{
/*
@@ -62,6 +122,8 @@ static void __init hsdk_init_early(void)
* minimum possible div-by-2.
*/
iowrite32(SDIO_UHS_REG_EXT_DIV_2, (void __iomem *) SDIO_UHS_REG_EXT);
+
+ hsdk_enable_gpio_intc_wire();
}
static const char *hsdk_compat[] __initconst = {
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 54eeb8d00bc6..843edfd000be 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1245,8 +1245,14 @@ config PCI
VESA. If you have PCI, say Y, otherwise N.
config PCI_DOMAINS
- bool
+ bool "Support for multiple PCI domains"
depends on PCI
+ help
+ Enable PCI domains kernel management. Say Y if your machine
+ has a PCI bus hierarchy that requires more than one PCI
+ domain (aka segment) to be correctly managed. Say N otherwise.
+
+ If you don't know what to do here, say N.
config PCI_DOMAINS_GENERIC
def_bool PCI_DOMAINS
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index f9e8667f5886..73b514dddf65 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -168,7 +168,6 @@
AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_clk.mmc0_clk */
- AM33XX_IOPAD(0x9a0, PIN_INPUT | MUX_MODE4) /* mcasp0_aclkr.mmc0_sdwp */
>;
};
diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi
index ca294914bbb1..23ea381d363f 100644
--- a/arch/arm/boot/dts/am3517.dtsi
+++ b/arch/arm/boot/dts/am3517.dtsi
@@ -39,6 +39,8 @@
ti,davinci-ctrl-ram-size = <0x2000>;
ti,davinci-rmii-en = /bits/ 8 <1>;
local-mac-address = [ 00 00 00 00 00 00 ];
+ clocks = <&emac_ick>;
+ clock-names = "ick";
};
davinci_mdio: ethernet@5c030000 {
@@ -49,6 +51,8 @@
bus_freq = <1000000>;
#address-cells = <1>;
#size-cells = <0>;
+ clocks = <&emac_fck>;
+ clock-names = "fck";
};
uart4: serial@4809e000 {
@@ -87,6 +91,11 @@
};
};
+/* Table Table 5-79 of the TRM shows 480ab000 is reserved */
+&usb_otg_hs {
+ status = "disabled";
+};
+
&iva {
status = "disabled";
};
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 440351ad0b80..d4be3fd0b6f4 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -610,6 +610,8 @@
touchscreen-size-x = <480>;
touchscreen-size-y = <272>;
+
+ wakeup-source;
};
tlv320aic3106: tlv320aic3106@1b {
diff --git a/arch/arm/boot/dts/armada-385-synology-ds116.dts b/arch/arm/boot/dts/armada-385-synology-ds116.dts
index 6782ce481ac9..d8769956cbfc 100644
--- a/arch/arm/boot/dts/armada-385-synology-ds116.dts
+++ b/arch/arm/boot/dts/armada-385-synology-ds116.dts
@@ -139,7 +139,7 @@
3700 5
3900 6
4000 7>;
- cooling-cells = <2>;
+ #cooling-cells = <2>;
};
gpio-leds {
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 18edc9bc7927..929459c42760 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -547,7 +547,7 @@
thermal: thermal@e8078 {
compatible = "marvell,armada380-thermal";
- reg = <0xe4078 0x4>, <0xe4074 0x4>;
+ reg = <0xe4078 0x4>, <0xe4070 0x8>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
index 9fe4f5a6379e..2c4df2d2d4a6 100644
--- a/arch/arm/boot/dts/bcm-cygnus.dtsi
+++ b/arch/arm/boot/dts/bcm-cygnus.dtsi
@@ -216,7 +216,7 @@
reg = <0x18008000 0x100>;
#address-cells = <1>;
#size-cells = <0>;
- interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
status = "disabled";
};
@@ -245,7 +245,7 @@
reg = <0x1800b000 0x100>;
#address-cells = <1>;
#size-cells = <0>;
- interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
status = "disabled";
};
@@ -256,7 +256,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <0>;
@@ -278,10 +278,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
- <GIC_SPI 97 IRQ_TYPE_NONE>,
- <GIC_SPI 98 IRQ_TYPE_NONE>,
- <GIC_SPI 99 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
};
};
@@ -291,7 +291,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <1>;
@@ -313,10 +313,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>,
- <GIC_SPI 103 IRQ_TYPE_NONE>,
- <GIC_SPI 104 IRQ_TYPE_NONE>,
- <GIC_SPI 105 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
};
};
diff --git a/arch/arm/boot/dts/bcm-hr2.dtsi b/arch/arm/boot/dts/bcm-hr2.dtsi
index 3f9cedd8011f..3084a7c95733 100644
--- a/arch/arm/boot/dts/bcm-hr2.dtsi
+++ b/arch/arm/boot/dts/bcm-hr2.dtsi
@@ -264,7 +264,7 @@
reg = <0x38000 0x50>;
#address-cells = <1>;
#size-cells = <0>;
- interrupts = <GIC_SPI 95 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
};
@@ -279,7 +279,7 @@
reg = <0x3b000 0x50>;
#address-cells = <1>;
#size-cells = <0>;
- interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
};
};
@@ -300,7 +300,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 186 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <0>;
@@ -322,10 +322,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 182 IRQ_TYPE_NONE>,
- <GIC_SPI 183 IRQ_TYPE_NONE>,
- <GIC_SPI 184 IRQ_TYPE_NONE>,
- <GIC_SPI 185 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;
brcm,pcie-msi-inten;
};
};
@@ -336,7 +336,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 192 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <1>;
@@ -358,10 +358,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 188 IRQ_TYPE_NONE>,
- <GIC_SPI 189 IRQ_TYPE_NONE>,
- <GIC_SPI 190 IRQ_TYPE_NONE>,
- <GIC_SPI 191 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>;
brcm,pcie-msi-inten;
};
};
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index dcc55aa84583..09ba85046322 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -391,7 +391,7 @@
reg = <0x38000 0x50>;
#address-cells = <1>;
#size-cells = <0>;
- interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <100000>;
dma-coherent;
status = "disabled";
@@ -496,7 +496,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <0>;
@@ -519,10 +519,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 127 IRQ_TYPE_NONE>,
- <GIC_SPI 128 IRQ_TYPE_NONE>,
- <GIC_SPI 129 IRQ_TYPE_NONE>,
- <GIC_SPI 130 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
brcm,pcie-msi-inten;
};
};
@@ -533,7 +533,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <1>;
@@ -556,10 +556,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
- interrupts = <GIC_SPI 133 IRQ_TYPE_NONE>,
- <GIC_SPI 134 IRQ_TYPE_NONE>,
- <GIC_SPI 135 IRQ_TYPE_NONE>,
- <GIC_SPI 136 IRQ_TYPE_NONE>;
+ interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
brcm,pcie-msi-inten;
};
};
@@ -570,7 +570,7 @@
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_NONE>;
+ interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
linux,pci-domain = <2>;
@@ -593,10 +593,10 @@
compatible = "brcm,iproc-msi";
msi-controller;
interrupt-parent = <&gic>;
<