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-rw-r--r--Documentation/IPMI.txt7
-rw-r--r--Documentation/arm/keystone/Overview.txt18
-rw-r--r--Documentation/block/null_blk.txt3
-rw-r--r--Documentation/devicetree/bindings/dma/ti-edma.txt10
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt4
-rw-r--r--Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt2
-rw-r--r--Documentation/devicetree/bindings/mtd/partition.txt7
-rw-r--r--Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt6
-rw-r--r--Documentation/devicetree/bindings/thermal/rockchip-thermal.txt4
-rw-r--r--Documentation/i2c/busses/i2c-i8011
-rw-r--r--Documentation/kernel-parameters.txt3
-rw-r--r--Documentation/networking/e100.txt14
-rw-r--r--MAINTAINERS78
-rw-r--r--Makefile2
-rw-r--r--arch/arc/Kconfig1
-rw-r--r--arch/arc/boot/dts/axs10x_mb.dtsi1
-rw-r--r--arch/arc/boot/dts/nsim_hs.dts3
-rw-r--r--arch/arc/configs/axs101_defconfig2
-rw-r--r--arch/arc/configs/axs103_defconfig2
-rw-r--r--arch/arc/configs/axs103_smp_defconfig2
-rw-r--r--arch/arc/configs/nsim_hs_defconfig2
-rw-r--r--arch/arc/configs/nsim_hs_smp_defconfig2
-rw-r--r--arch/arc/configs/nsimosci_hs_defconfig2
-rw-r--r--arch/arc/configs/nsimosci_hs_smp_defconfig2
-rw-r--r--arch/arc/configs/vdk_hs38_defconfig2
-rw-r--r--arch/arc/configs/vdk_hs38_smp_defconfig2
-rw-r--r--arch/arc/include/asm/irqflags-arcv2.h3
-rw-r--r--arch/arc/include/asm/irqflags-compact.h2
-rw-r--r--arch/arc/include/asm/mach_desc.h4
-rw-r--r--arch/arc/include/asm/smp.h4
-rw-r--r--arch/arc/include/asm/unwind.h4
-rw-r--r--arch/arc/kernel/ctx_sw.c2
-rw-r--r--arch/arc/kernel/ctx_sw_asm.S3
-rw-r--r--arch/arc/kernel/intc-arcv2.c15
-rw-r--r--arch/arc/kernel/irq.c33
-rw-r--r--arch/arc/kernel/mcip.c2
-rw-r--r--arch/arc/kernel/perf_event.c32
-rw-r--r--arch/arc/kernel/process.c9
-rw-r--r--arch/arc/kernel/setup.c1
-rw-r--r--arch/arc/kernel/smp.c8
-rw-r--r--arch/arc/kernel/unwind.c90
-rw-r--r--arch/arc/mm/init.c4
-rw-r--r--arch/arc/mm/tlb.c4
-rw-r--r--arch/arm/Kconfig4
-rw-r--r--arch/arm/boot/dts/am4372.dtsi4
-rw-r--r--arch/arm/boot/dts/am43xx-clocks.dtsi8
-rw-r--r--arch/arm/boot/dts/am57xx-beagle-x15.dts1
-rw-r--r--arch/arm/boot/dts/animeo_ip.dts6
-rw-r--r--arch/arm/boot/dts/armada-38x.dtsi1
-rw-r--r--arch/arm/boot/dts/at91-foxg20.dts2
-rw-r--r--arch/arm/boot/dts/at91-kizbox.dts13
-rw-r--r--arch/arm/boot/dts/at91-kizbox2.dts6
-rw-r--r--arch/arm/boot/dts/at91-kizboxmini.dts4
-rw-r--r--arch/arm/boot/dts/at91-qil_a9260.dts2
-rw-r--r--arch/arm/boot/dts/at91-sama5d2_xplained.dts116
-rw-r--r--arch/arm/boot/dts/at91-sama5d3_xplained.dts2
-rw-r--r--arch/arm/boot/dts/at91-sama5d4_xplained.dts12
-rw-r--r--arch/arm/boot/dts/at91-sama5d4ek.dts12
-rw-r--r--arch/arm/boot/dts/at91rm9200ek.dts9
-rw-r--r--arch/arm/boot/dts/at91sam9261ek.dts19
-rw-r--r--arch/arm/boot/dts/at91sam9263ek.dts13
-rw-r--r--arch/arm/boot/dts/at91sam9g20ek_common.dtsi13
-rw-r--r--arch/arm/boot/dts/at91sam9m10g45ek.dts13
-rw-r--r--arch/arm/boot/dts/at91sam9n12ek.dts11
-rw-r--r--arch/arm/boot/dts/at91sam9rlek.dts13
-rw-r--r--arch/arm/boot/dts/at91sam9x5cm.dtsi11
-rw-r--r--arch/arm/boot/dts/berlin2q.dtsi8
-rw-r--r--arch/arm/boot/dts/dm816x.dtsi8
-rw-r--r--arch/arm/boot/dts/dra7.dtsi4
-rw-r--r--arch/arm/boot/dts/imx27.dtsi16
-rw-r--r--arch/arm/boot/dts/k2l-netcp.dtsi2
-rw-r--r--arch/arm/boot/dts/kirkwood-ts219.dtsi2
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-minnie.dts4
-rw-r--r--arch/arm/boot/dts/rk3288.dtsi10
-rw-r--r--arch/arm/boot/dts/sama5d35ek.dts2
-rw-r--r--arch/arm/boot/dts/sama5d4.dtsi2
-rw-r--r--arch/arm/boot/dts/usb_a9260_common.dtsi2
-rw-r--r--arch/arm/boot/dts/usb_a9263.dts2
-rw-r--r--arch/arm/boot/dts/vf610-colibri.dtsi5
-rw-r--r--arch/arm/boot/dts/vf610.dtsi2
-rw-r--r--arch/arm/boot/dts/vfxxx.dtsi14
-rw-r--r--arch/arm/configs/at91_dt_defconfig1
-rw-r--r--arch/arm/configs/sama5_defconfig1
-rw-r--r--arch/arm/include/asm/arch_gicv3.h1
-rw-r--r--arch/arm/include/asm/irq.h5
-rw-r--r--arch/arm/include/asm/kvm_emulate.h12
-rw-r--r--arch/arm/include/asm/uaccess.h4
-rw-r--r--arch/arm/include/uapi/asm/unistd.h1
-rw-r--r--arch/arm/kernel/bios32.c19
-rw-r--r--arch/arm/kernel/calls.S1
-rw-r--r--arch/arm/kernel/process.c33
-rw-r--r--arch/arm/kernel/swp_emulate.c6
-rw-r--r--arch/arm/kvm/arm.c7
-rw-r--r--arch/arm/kvm/mmio.c5
-rw-r--r--arch/arm/kvm/mmu.c15
-rw-r--r--arch/arm/kvm/psci.c20
-rw-r--r--arch/arm/lib/uaccess_with_memcpy.c29
-rw-r--r--arch/arm/mach-at91/Kconfig6
-rw-r--r--arch/arm/mach-at91/pm.c7
-rw-r--r--arch/arm/mach-dove/include/mach/entry-macro.S4
-rw-r--r--arch/arm/mach-exynos/pmu.c6
-rw-r--r--arch/arm/mach-imx/gpc.c1
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/io.h12
-rw-r--r--arch/arm/mach-omap2/Kconfig2
-rw-r--r--arch/arm/mach-omap2/omap-smp.c6
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c66
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.h3
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_7xx_data.c56
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_81xx_data.c3
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c29
-rw-r--r--arch/arm/mach-omap2/pm34xx.c4
-rw-r--r--arch/arm/mach-orion5x/include/mach/entry-macro.S2
-rw-r--r--arch/arm/mach-pxa/ezx.c5
-rw-r--r--arch/arm/mach-pxa/palm27x.c2
-rw-r--r--arch/arm/mach-pxa/palmtc.c2
-rw-r--r--arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c2
-rw-r--r--arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7793.c2
-rw-r--r--arch/arm/mach-zx/Kconfig2
-rw-r--r--arch/arm/mm/context.c38
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/init.c92
-rw-r--r--arch/arm/mm/proc-v7.S4
-rw-r--r--arch/arm/net/bpf_jit_32.c2
-rw-r--r--arch/arm64/Kconfig23
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi5
-rw-r--r--arch/arm64/crypto/aes-ce-cipher.c2
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h1
-rw-r--r--arch/arm64/include/asm/barrier.h16
-rw-r--r--arch/arm64/include/asm/compat.h3
-rw-r--r--arch/arm64/include/asm/cpufeature.h25
-rw-r--r--arch/arm64/include/asm/dma-mapping.h13
-rw-r--r--arch/arm64/include/asm/hw_breakpoint.h6
-rw-r--r--arch/arm64/include/asm/irq.h5
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h18
-rw-r--r--arch/arm64/include/asm/mmu_context.h2
-rw-r--r--arch/arm64/include/asm/pgtable.h13
-rw-r--r--arch/arm64/kernel/cpu_errata.c9
-rw-r--r--arch/arm64/kernel/cpufeature.c37
-rw-r--r--arch/arm64/kernel/cpuinfo.c5
-rw-r--r--arch/arm64/kernel/efi.c45
-rw-r--r--arch/arm64/kernel/suspend.c10
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S5
-rw-r--r--arch/arm64/kvm/handle_exit.c2
-rw-r--r--arch/arm64/kvm/hyp.S14
-rw-r--r--arch/arm64/kvm/inject_fault.c2
-rw-r--r--arch/arm64/kvm/sys_regs.c123
-rw-r--r--arch/arm64/kvm/sys_regs.h8
-rw-r--r--arch/arm64/kvm/sys_regs_generic_v8.c4
-rw-r--r--arch/arm64/mm/context.c38
-rw-r--r--arch/arm64/mm/dma-mapping.c35
-rw-r--r--arch/arm64/mm/fault.c28
-rw-r--r--arch/arm64/mm/mmu.c91
-rw-r--r--arch/arm64/net/bpf_jit_comp.c85
-rw-r--r--arch/blackfin/kernel/perf_event.c2
-rw-r--r--arch/ia64/include/asm/unistd.h2
-rw-r--r--arch/ia64/include/uapi/asm/unistd.h1
-rw-r--r--arch/ia64/kernel/entry.S1
-rw-r--r--arch/m68k/coldfire/m54xx.c2
-rw-r--r--arch/m68k/include/asm/unistd.h2
-rw-r--r--arch/m68k/include/uapi/asm/unistd.h1
-rw-r--r--arch/m68k/kernel/setup_no.c9
-rw-r--r--arch/m68k/kernel/syscalltable.S1
-rw-r--r--arch/m68k/mm/motorola.c2
-rw-r--r--arch/m68k/sun3/config.c4
-rw-r--r--arch/microblaze/kernel/dma.c3
-rw-r--r--arch/mips/ath79/setup.c7
-rw-r--r--arch/mips/boot/dts/qca/ar9132.dtsi2
-rw-r--r--arch/mips/include/asm/page.h3
-rw-r--r--arch/mips/kvm/emulate.c2
-rw-r--r--arch/mips/kvm/locore.S16
-rw-r--r--arch/mips/kvm/mips.c5
-rw-r--r--arch/mips/mm/dma-default.c2
-rw-r--r--arch/mips/pci/pci-rt2880.c4
-rw-r--r--arch/mips/pmcs-msp71xx/msp_setup.c4
-rw-r--r--arch/mips/sni/reset.c6
-rw-r--r--arch/mn10300/Kconfig4
-rw-r--r--arch/nios2/mm/cacheflush.c24
-rw-r--r--arch/parisc/Kconfig3
-rw-r--r--arch/parisc/include/asm/hugetlb.h85
-rw-r--r--arch/parisc/include/asm/page.h13
-rw-r--r--arch/parisc/include/asm/pgalloc.h2
-rw-r--r--arch/parisc/include/asm/pgtable.h27
-rw-r--r--arch/parisc/include/asm/processor.h27
-rw-r--r--arch/parisc/include/uapi/asm/mman.h10
-rw-r--r--arch/parisc/include/uapi/asm/unistd.h3
-rw-r--r--arch/parisc/kernel/asm-offsets.c8
-rw-r--r--arch/parisc/kernel/entry.S56
-rw-r--r--arch/parisc/kernel/head.S4
-rw-r--r--arch/parisc/kernel/pci.c18
-rw-r--r--arch/parisc/kernel/setup.c14
-rw-r--r--arch/parisc/kernel/syscall.S4
-rw-r--r--arch/parisc/kernel/syscall_table.S1
-rw-r--r--arch/parisc/kernel/traps.c35
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S9
-rw-r--r--arch/parisc/mm/Makefile1
-rw-r--r--arch/parisc/mm/hugetlbpage.c161
-rw-r--r--arch/parisc/mm/init.c40
-rw-r--r--arch/powerpc/boot/dts/sbc8641d.dts8
-rw-r--r--arch/powerpc/include/asm/reg.h1
-rw-r--r--arch/powerpc/include/asm/systbl.h25
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/include/uapi/asm/unistd.h13
-rw-r--r--arch/powerpc/kernel/eeh_driver.c14
-rw-r--r--arch/powerpc/kernel/process.c18
-rw-r--r--arch/powerpc/kernel/signal_32.c14
-rw-r--r--arch/powerpc/kernel/signal_64.c4
-rw-r--r--arch/powerpc/platforms/powernv/opal-irqchip.c64
-rw-r--r--arch/powerpc/platforms/powernv/opal.c2
-rw-r--r--arch/s390/include/asm/cio.h1
-rw-r--r--arch/s390/include/asm/elf.h13
-rw-r--r--arch/s390/include/asm/ipl.h3
-rw-r--r--arch/s390/include/asm/pci_dma.h4
-rw-r--r--arch/s390/include/asm/trace/diag.h6
-rw-r--r--arch/s390/include/uapi/asm/unistd.h19
-rw-r--r--arch/s390/kernel/compat_wrapper.c1
-rw-r--r--arch/s390/kernel/diag.c4
-rw-r--r--arch/s390/kernel/head.S95
-rw-r--r--arch/s390/kernel/ipl.c65
-rw-r--r--arch/s390/kernel/process.c6
-rw-r--r--arch/s390/kernel/sclp.c2
-rw-r--r--arch/s390/kernel/setup.c3
-rw-r--r--arch/s390/kernel/syscalls.S1
-rw-r--r--arch/s390/kernel/trace.c6
-rw-r--r--arch/s390/kvm/interrupt.c7
-rw-r--r--arch/s390/kvm/kvm-s390.c6
-rw-r--r--arch/s390/kvm/priv.c2
-rw-r--r--arch/s390/kvm/sigp.c8
-rw-r--r--arch/s390/mm/init.c30
-rw-r--r--arch/s390/mm/mmap.c60
-rw-r--r--arch/s390/pci/pci_dma.c84
-rw-r--r--arch/sh/include/uapi/asm/unistd_64.h2
-rw-r--r--arch/sh/kernel/perf_event.c2
-rw-r--r--arch/sparc/kernel/perf_event.c2
-rw-r--r--arch/tile/kernel/perf_event.c2
-rw-r--r--arch/um/Makefile2
-rw-r--r--arch/um/drivers/net_user.c10
-rw-r--r--arch/um/kernel/signal.c2
-rw-r--r--arch/x86/boot/boot.h1
-rw-r--r--arch/x86/boot/video-mode.c2
-rw-r--r--arch/x86/boot/video.c2
-rw-r--r--arch/x86/entry/entry_64.S19
-rw-r--r--arch/x86/include/asm/msr-index.h3
-rw-r--r--arch/x86/include/asm/page_types.h16
-rw-r--r--arch/x86/include/asm/pgtable_types.h14
-rw-r--r--arch/x86/include/asm/x86_init.h1
-rw-r--r--arch/x86/kernel/cpu/common.c3
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event.h5
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_cqm.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_lbr.c4
-rw-r--r--arch/x86/kernel/fpu/signal.c11
-rw-r--r--arch/x86/kernel/fpu/xstate.c1
-rw-r--r--arch/x86/kernel/irq_work.c2
-rw-r--r--arch/x86/kernel/mcount_64.S6
-rw-r--r--arch/x86/kernel/pmem.c12
-rw-r--r--arch/x86/kernel/setup.c2
-rw-r--r--arch/x86/kernel/signal.c17
-rw-r--r--arch/x86/kernel/smpboot.c9
-rw-r--r--arch/x86/kvm/vmx.c5
-rw-r--r--arch/x86/kvm/x86.c61
-rw-r--r--arch/x86/mm/dump_pagetables.c2
-rw-r--r--arch/x86/mm/mpx.c53
-rw-r--r--arch/x86/pci/bus_numa.c13
-rw-r--r--arch/x86/um/signal.c18
-rw-r--r--arch/x86/xen/mmu.c9
-rw-r--r--arch/x86/xen/suspend.c20
-rw-r--r--block/blk-cgroup.c6
-rw-r--r--block/blk-core.c33
-rw-r--r--block/blk-merge.c35
-rw-r--r--block/blk-mq.c14
-rw-r--r--block/blk-settings.c36
-rw-r--r--block/blk-sysfs.c3
-rw-r--r--block/blk-timeout.c8
-rw-r--r--block/blk.h2
-rw-r--r--block/noop-iosched.c10
-rw-r--r--block/partition-generic.c2
-rw-r--r--block/partitions/mac.c10
-rw-r--r--crypto/ablkcipher.c2
-rw-r--r--crypto/algif_aead.c4
-rw-r--r--crypto/algif_skcipher.c6
-rw-r--r--crypto/blkcipher.c2
-rw-r--r--drivers/Makefile2
-rw-r--r--drivers/acpi/Kconfig4
-rw-r--r--drivers/acpi/cppc_acpi.c2
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/nfit.c67
-rw-r--r--drivers/acpi/nfit.h3
-rw-r--r--drivers/acpi/pci_root.c7
-rw-r--r--drivers/acpi/sbshc.c48
-rw-r--r--drivers/ata/ahci.c22
-rw-r--r--drivers/ata/ahci_mvebu.c5
-rw-r--r--drivers/ata/libahci.c9
-rw-r--r--drivers/ata/libata-eh.c8
-rw-r--r--drivers/ata/sata_fsl.c3
-rw-r--r--drivers/ata/sata_sil.c3
-rw-r--r--drivers/base/memory.c4
-rw-r--r--drivers/base/power/domain.c36
-rw-r--r--drivers/base/power/domain_governor.c3
-rw-r--r--drivers/base/power/wakeirq.c6
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c6
-rw-r--r--drivers/block/null_blk.c317
-rw-r--r--drivers/block/rbd.c1
-rw-r--r--drivers/block/xen-blkback/blkback.c15
-rw-r--r--drivers/block/xen-blkback/common.h8
-rw-r--r--drivers/bus/omap-ocp2scp.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c90
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c8
-rw-r--r--drivers/clk/clk-gpio.c33
-rw-r--r--drivers/clk/clk-qoriq.c4
-rw-r--r--drivers/clk/clk-scpi.c1
-rw-r--r--drivers/clk/imx/clk-pllv1.c14
-rw-r--r--drivers/clk/imx/clk-pllv2.c9
-rw-r--r--drivers/clk/imx/clk-vf610.c8
-rw-r--r--drivers/clk/mmp/clk-mmp2.c1
-rw-r--r--drivers/clk/mmp/clk-pxa168.c1
-rw-r--r--drivers/clk/mmp/clk-pxa910.c1
-rw-r--r--drivers/clk/sunxi/clk-a10-pll2.c23
-rw-r--r--drivers/clk/ti/clk-816x.c2
-rw-r--r--drivers/clk/ti/clkt_dpll.c4
-rw-r--r--drivers/clk/ti/divider.c16
-rw-r--r--drivers/clk/ti/fapll.c4
-rw-r--r--drivers/clk/ti/mux.c15
-rw-r--r--drivers/clocksource/Kconfig1
-rw-r--r--drivers/clocksource/fsl_ftm_timer.c4
-rw-r--r--drivers/clocksource/mmio.c2
-rw-r--r--drivers/cpufreq/Kconfig.arm5
-rw-r--r--drivers/cpufreq/Kconfig.x861
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c3
-rw-r--r--drivers/cpufreq/cpufreq.c21
-rw-r--r--drivers/cpufreq/intel_pstate.c322
-rw-r--r--drivers/cpufreq/s3c24xx-cpufreq.c2
-rw-r--r--drivers/crypto/nx/nx-aes-ccm.c2
-rw-r--r--drivers/crypto/nx/nx-aes-gcm.c3
-rw-r--r--drivers/crypto/qat/qat_common/adf_ctl_drv.c2
-rw-r--r--drivers/crypto/talitos.c2
-rw-r--r--drivers/dma/at_hdmac.c20
-rw-r--r--drivers/dma/at_hdmac_regs.h6
-rw-r--r--drivers/dma/at_xdmac.c29
-rw-r--r--drivers/dma/bcm2835-dma.c78
-rw-r--r--drivers/dma/edma.c57
-rw-r--r--drivers/dma/imx-sdma.c2
-rw-r--r--drivers/dma/mic_x100_dma.c15
-rw-r--r--drivers/dma/sh/usb-dmac.c11
-rw-r--r--drivers/fpga/fpga-mgr.c13
-rw-r--r--drivers/gpio/gpio-74xx-mmio.c7
-rw-r--r--drivers/gpio/gpio-ath79.c2
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-rw-r--r--include/linux/netfilter/ipset/ip_set.h2
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-rw-r--r--include/net/sock.h64
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-rw-r--r--include/rdma/ib_verbs.h1
-rw-r--r--include/scsi/scsi_host.h3
-rw-r--r--include/sound/hda_register.h3
-rw-r--r--include/sound/soc-dapm.h1
-rw-r--r--include/target/target_core_base.h2
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-rw-r--r--kernel/cgroup.c99
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-rw-r--r--kernel/signal.c2
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-rw-r--r--kernel/trace/ring_buffer.c17
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-rw-r--r--lib/btree.c2
-rw-r--r--lib/dma-debug.c4
-rw-r--r--lib/proportions.c2
-rw-r--r--lib/rhashtable.c67
-rw-r--r--mm/backing-dev.c19
-rw-r--r--mm/huge_memory.c4
-rw-r--r--mm/hugetlb.c27
-rw-r--r--mm/kasan/kasan.c2
-rw-r--r--mm/memcontrol.c49
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-rw-r--r--mm/page-writeback.c6
-rw-r--r--mm/page_alloc.c3
-rw-r--r--mm/shmem.c34
-rw-r--r--mm/slab.c2
-rw-r--r--mm/slab.h2
-rw-r--r--mm/slab_common.c6
-rw-r--r--mm/slob.c2
-rw-r--r--mm/slub.c304
-rw-r--r--mm/vmalloc.c5
-rw-r--r--mm/vmstat.c8
-rw-r--r--mm/zswap.c6
-rw-r--r--net/8021q/vlan_core.c4
-rw-r--r--net/ax25/af_ax25.c3
-rw-r--r--net/batman-adv/distributed-arp-table.c5
-rw-r--r--net/batman-adv/routing.c19
-rw-r--r--net/batman-adv/translation-table.c16
-rw-r--r--net/bluetooth/af_bluetooth.c6
-rw-r--r--net/bluetooth/sco.c3
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-rw-r--r--net/bridge/br_stp.c2
-rw-r--r--net/bridge/br_stp_if.c2
-rw-r--r--net/caif/caif_socket.c4
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-rw-r--r--net/core/neighbour.c6
-rw-r--r--net/core/netclassid_cgroup.c28
-rw-r--r--net/core/netprio_cgroup.c9
-rw-r--r--net/core/rtnetlink.c274
-rw-r--r--net/core/scm.c2
-rw-r--r--net/core/skbuff.c6
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-rw-r--r--net/dccp/ipv6.c37
-rw-r--r--net/dccp/proto.c3
-rw-r--r--net/decnet/af_decnet.c11
-rw-r--r--net/dns_resolver/dns_query.c2
-rw-r--r--net/hsr/hsr_device.c2
-rw-r--r--net/ipv4/af_inet.c3
-rw-r--r--net/ipv4/fib_frontend.c9
-rw-r--r--net/ipv4/fou.c3
-rw-r--r--net/ipv4/igmp.c5
-rw-r--r--net/ipv4/inet_connection_sock.c4
-rw-r--r--net/ipv4/ipmr.c23
-rw-r--r--net/ipv4/netfilter/Kconfig1
-rw-r--r--net/ipv4/netfilter/nf_nat_pptp.c2
-rw-r--r--net/ipv4/raw.c8
-rw-r--r--net/ipv4/tcp.c28
-rw-r--r--net/ipv4/tcp_diag.c2
-rw-r--r--net/ipv4/tcp_input.c23
-rw-r--r--net/ipv4/tcp_ipv4.c22
-rw-r--r--net/ipv4/tcp_output.c23
-rw-r--r--net/ipv4/tcp_timer.c14
-rw-r--r--net/ipv4/udp.c1
-rw-r--r--net/ipv6/addrconf.c10
-rw-r--r--net/ipv6/af_inet6.c18
-rw-r--r--net/ipv6/datagram.c4
-rw-r--r--net/ipv6/exthdrs.c3
-rw-r--r--net/ipv6/icmp.c14
-rw-r--r--net/ipv6/inet6_connection_sock.c21
-rw-r--r--net/ipv6/ip6_gre.c8
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/ip6mr.c19
-rw-r--r--net/ipv6/ipv6_sockglue.c33
-rw-r--r--net/ipv6/mcast.c2
-rw-r--r--net/ipv6/ndisc.c10
-rw-r--r--net/ipv6/netfilter/Kconfig1
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c5
-rw-r--r--net/ipv6/raw.c8
-rw-r--r--net/ipv6/reassembly.c10
-rw-r--r--net/ipv6/route.c24
-rw-r--r--net/ipv6/syncookies.c2
-rw-r--r--net/ipv6/tcp_ipv6.c54
-rw-r--r--net/ipv6/udp.c8
-rw-r--r--net/irda/af_irda.c3
-rw-r--r--net/iucv/af_iucv.c2
-rw-r--r--net/l2tp/l2tp_ip6.c8
-rw-r--r--net/mac80211/agg-tx.c3
-rw-r--r--net/mac80211/cfg.c11
-rw-r--r--net/mac80211/ieee80211_i.h4
-rw-r--r--net/mac80211/iface.c5
-rw-r--r--net/mac80211/main.c3
-rw-r--r--net/mac80211/mesh_pathtbl.c8
-rw-r--r--net/mac80211/mlme.c17
-rw-r--r--net/mac80211/rx.c3
-rw-r--r--net/mac80211/scan.c9
-rw-r--r--net/mac80211/util.c113
-rw-r--r--net/mac80211/vht.c10
-rw-r--r--net/mpls/af_mpls.c43
-rw-r--r--net/mpls/mpls_iptunnel.c4
-rw-r--r--net/netfilter/Kconfig6
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_gen.h17
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ip.c14
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c64
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_port.c18
-rw-r--r--net/netfilter/ipset/ip_set_core.c14
-rw-r--r--net/netfilter/ipset/ip_set_hash_gen.h26
-rw-r--r--net/netfilter/ipset/ip_set_list_set.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c16
-rw-r--r--net/netfilter/nf_tables_api.c99
-rw-r--r--net/netfilter/nfnetlink.c4
-rw-r--r--net/netfilter/nfnetlink_log.c2
-rw-r--r--net/netfilter/nfnetlink_queue.c9
-rw-r--r--net/netfilter/nft_counter.c49
-rw-r--r--net/netfilter/nft_dynset.c5
-rw-r--r--net/nfc/llcp_sock.c2
-rw-r--r--net/openvswitch/conntrack.c16
-rw-r--r--net/openvswitch/dp_notify.c2
-rw-r--r--net/openvswitch/vport-geneve.c1
-rw-r--r--net/openvswitch/vport-gre.c1
-rw-r--r--net/openvswitch/vport-netdev.c8
-rw-r--r--net/openvswitch/vport.c8
-rw-r--r--net/openvswitch/vport.h8
-rw-r--r--net/packet/af_packet.c96
-rw-r--r--net/rds/connection.c6
-rw-r--r--net/rds/send.c4
-rw-r--r--net/rfkill/core.c6
-rw-r--r--net/rxrpc/ar-ack.c4
-rw-r--r--net/rxrpc/ar-output.c2
-rw-r--r--net/sched/sch_api.c25
-rw-r--r--net/sched/sch_generic.c2
-rw-r--r--net/sched/sch_mq.c4
-rw-r--r--net/sched/sch_mqprio.c4
-rw-r--r--net/sctp/auth.c4
-rw-r--r--net/sctp/ipv6.c24
-rw-r--r--net/sctp/outqueue.c2
-rw-r--r--net/sctp/sm_make_chunk.c4
-rw-r--r--net/sctp/sm_statefuns.c3
-rw-r--r--net/sctp/socket.c51
-rw-r--r--net/socket.c22
-rw-r--r--net/sunrpc/sched.c6
-rw-r--r--net/sunrpc/svc.c13
-rw-r--r--net/sunrpc/xprtsock.c14
-rw-r--r--net/tipc/link.c2
-rw-r--r--net/tipc/socket.c10
-rw-r--r--net/tipc/udp_media.c7
-rw-r--r--net/unix/af_unix.c305
-rw-r--r--net/wireless/nl80211.c5
-rw-r--r--net/wireless/reg.c5
-rw-r--r--net/xfrm/xfrm_policy.c50
-rw-r--r--samples/bpf/Makefile7
-rwxr-xr-xscripts/kernel-doc2
-rwxr-xr-xscripts/link-vmlinux.sh2
-rw-r--r--security/keys/encrypted-keys/encrypted.c2
-rw-r--r--security/keys/trusted.c5
-rw-r--r--security/keys/user_defined.c5
-rw-r--r--security/selinux/ss/conditional.c4
-rw-r--r--sound/firewire/dice/dice.c4
-rw-r--r--sound/pci/hda/hda_intel.c30
-rw-r--r--sound/pci/hda/patch_ca0132.c3
-rw-r--r--sound/pci/hda/patch_conexant.c5
-rw-r--r--sound/pci/hda/patch_hdmi.c9
-rw-r--r--sound/pci/hda/patch_realtek.c85
-rw-r--r--sound/pci/hda/patch_sigmatel.c45
-rw-r--r--sound/pci/rme96.c41
-rw-r--r--sound/soc/codecs/arizona.c16
-rw-r--r--sound/soc/codecs/es8328.c41
-rw-r--r--sound/soc/codecs/es8328.h1
-rw-r--r--sound/soc/codecs/nau8825.c31
-rw-r--r--sound/soc/codecs/rl6231.c6
-rw-r--r--sound/soc/codecs/rt5645.c61
-rw-r--r--sound/soc/codecs/rt5670.h12
-rw-r--r--sound/soc/codecs/rt5677.c100
-rw-r--r--sound/soc/codecs/wm8960.c2
-rw-r--r--sound/soc/codecs/wm8962.c4
-rw-r--r--sound/soc/codecs/wm8974.c1
-rw-r--r--sound/soc/davinci/davinci-mcasp.c16
-rw-r--r--sound/soc/fsl/Kconfig2
-rw-r--r--sound/soc/fsl/fsl_sai.c21
-rw-r--r--sound/soc/intel/Kconfig2
-rw-r--r--sound/soc/intel/skylake/skl-topology.c1
-rw-r--r--sound/soc/rockchip/rockchip_spdif.c8
-rw-r--r--sound/soc/rockchip/rockchip_spdif.h8
-rw-r--r--sound/soc/sh/rcar/gen.c2
-rw-r--r--sound/soc/sh/rcar/src.c7
-rw-r--r--sound/soc/soc-core.c6
-rw-r--r--sound/soc/soc-dapm.c7
-rw-r--r--sound/soc/soc-ops.c2
-rw-r--r--sound/soc/soc-topology.c3
-rw-r--r--sound/soc/sti/uniperif_player.c9
-rw-r--r--sound/soc/sti/uniperif_reader.c3
-rw-r--r--sound/soc/sunxi/sun4i-codec.c27
-rw-r--r--sound/usb/midi.c46
-rw-r--r--sound/usb/mixer.c2
-rw-r--r--sound/usb/mixer_maps.c12
-rw-r--r--sound/usb/mixer_quirks.c37
-rw-r--r--sound/usb/mixer_quirks.h4
-rw-r--r--sound/usb/quirks-table.h11
-rw-r--r--sound/usb/quirks.c2
-rw-r--r--sound/usb/usbaudio.h1
-rw-r--r--tools/Makefile11
-rw-r--r--tools/net/Makefile7
-rw-r--r--tools/perf/builtin-inject.c1
-rw-r--r--tools/perf/builtin-report.c6
-rw-r--r--tools/perf/ui/browsers/hists.c7
-rw-r--r--tools/perf/util/build-id.c1
-rw-r--r--tools/perf/util/dso.c17
-rw-r--r--tools/perf/util/dso.h1
-rw-r--r--tools/perf/util/machine.c1
-rw-r--r--tools/perf/util/probe-finder.c24
-rw-r--r--tools/perf/util/symbol.c34
-rw-r--r--tools/perf/util/symbol.h1
-rw-r--r--tools/power/x86/turbostat/turbostat.c8
-rw-r--r--tools/testing/nvdimm/test/nfit.c49
-rw-r--r--tools/testing/selftests/futex/README2
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c11
-rw-r--r--tools/virtio/linux/kernel.h6
-rw-r--r--tools/virtio/linux/virtio.h6
-rw-r--r--tools/virtio/linux/virtio_config.h20
-rw-r--r--tools/vm/page-types.c1
-rw-r--r--virt/kvm/arm/arch_timer.c28
-rw-r--r--virt/kvm/arm/vgic.c50
1311 files changed, 16391 insertions, 11910 deletions
diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt
index 31d1d658827f..c0d8788e75d3 100644
--- a/Documentation/IPMI.txt
+++ b/Documentation/IPMI.txt
@@ -587,7 +587,7 @@ used to control it:
modprobe ipmi_watchdog timeout=<t> pretimeout=<t> action=<action type>
preaction=<preaction type> preop=<preop type> start_now=x
- nowayout=x ifnum_to_use=n
+ nowayout=x ifnum_to_use=n panic_wdt_timeout=<t>
ifnum_to_use specifies which interface the watchdog timer should use.
The default is -1, which means to pick the first one registered.
@@ -597,7 +597,9 @@ is the amount of seconds before the reset that the pre-timeout panic will
occur (if pretimeout is zero, then pretimeout will not be enabled). Note
that the pretimeout is the time before the final timeout. So if the
timeout is 50 seconds and the pretimeout is 10 seconds, then the pretimeout
-will occur in 40 second (10 seconds before the timeout).
+will occur in 40 second (10 seconds before the timeout). The panic_wdt_timeout
+is the value of timeout which is set on kernel panic, in order to let actions
+such as kdump to occur during panic.
The action may be "reset", "power_cycle", or "power_off", and
specifies what to do when the timer times out, and defaults to
@@ -634,6 +636,7 @@ for configuring the watchdog:
ipmi_watchdog.preop=<preop type>
ipmi_watchdog.start_now=x
ipmi_watchdog.nowayout=x
+ ipmi_watchdog.panic_wdt_timeout=<t>
The options are the same as the module parameter options.
diff --git a/Documentation/arm/keystone/Overview.txt b/Documentation/arm/keystone/Overview.txt
index f17bc4c9dff9..400c0c270d2e 100644
--- a/Documentation/arm/keystone/Overview.txt
+++ b/Documentation/arm/keystone/Overview.txt
@@ -49,24 +49,6 @@ specified through DTS. Following are the DTS used:-
The device tree documentation for the keystone machines are located at
Documentation/devicetree/bindings/arm/keystone/keystone.txt
-Known issues & workaround
--------------------------
-
-Some of the device drivers used on keystone are re-used from that from
-DaVinci and other TI SoCs. These device drivers may use clock APIs directly.
-Some of the keystone specific drivers such as netcp uses run time power
-management API instead to enable clock. As this API has limitations on
-keystone, following workaround is needed to boot Linux.
-
- Add 'clk_ignore_unused' to the bootargs env variable in u-boot. Otherwise
- clock frameworks will try to disable clocks that are unused and disable
- the hardware. This is because netcp related power domain and clock
- domains are enabled in u-boot as run time power management API currently
- doesn't enable clocks for netcp due to a limitation. This workaround is
- expected to be removed in the future when proper API support becomes
- available. Until then, this work around is needed.
-
-
Document Author
---------------
Murali Karicheri <m-karicheri2@ti.com>
diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt
index 2f6c6ff7161d..d8880ca30af4 100644
--- a/Documentation/block/null_blk.txt
+++ b/Documentation/block/null_blk.txt
@@ -70,3 +70,6 @@ use_per_node_hctx=[0/1]: Default: 0
parameter.
1: The multi-queue block layer is instantiated with a hardware dispatch
queue for each CPU node in the system.
+
+use_lightnvm=[0/1]: Default: 0
+ Register device with LightNVM. Requires blk-mq to be used.
diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
index d3d0a4fb1c73..079b42a81d7c 100644
--- a/Documentation/devicetree/bindings/dma/ti-edma.txt
+++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
@@ -22,8 +22,7 @@ Required properties:
Optional properties:
- ti,hwmods: Name of the hwmods associated to the eDMA CC
- ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow
- these channels will be SW triggered channels. The list must
- contain 16 bits numbers, see example.
+ these channels will be SW triggered channels. See example.
- ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by
the driver, they are allocated to be used by for example the
DSP. See example.
@@ -56,10 +55,9 @@ edma: edma@49000000 {
ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 7>, <&edma_tptc2 0>;
/* Channel 20 and 21 is allocated for memcpy */
- ti,edma-memcpy-channels = /bits/ 16 <20 21>;
- /* The following PaRAM slots are reserved: 35-45 and 100-110 */
- ti,edma-reserved-slot-ranges = /bits/ 16 <35 10>,
- /bits/ 16 <100 10>;
+ ti,edma-memcpy-channels = <20 21>;
+ /* The following PaRAM slots are reserved: 35-44 and 100-109 */
+ ti,edma-reserved-slot-ranges = <35 10>, <100 10>;
};
edma_tptc0: tptc@49800000 {
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
index f2455c50533d..120bc4971cf3 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
@@ -11,6 +11,10 @@ Required properties:
0 = active high
1 = active low
+Optional properties:
+- little-endian : GPIO registers are used as little endian. If not
+ present registers are used as big endian by default.
+
Example:
gpio0: gpio@1100 {
diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
index b9c32f6fd687..4357e498ef04 100644
--- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
+++ b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
@@ -12,7 +12,7 @@ Each key is represented as a sub-node of "allwinner,sun4i-a10-lradc-keys":
Required subnode-properties:
- label: Descriptive name of the key.
- linux,code: Keycode to emit.
- - channel: Channel this key is attached to, mut be 0 or 1.
+ - channel: Channel this key is attached to, must be 0 or 1.
- voltage: Voltage in ┬ÁV at lradc input when this key is pressed.
Example:
diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt
index f1e2a02381a4..1c63e40659fc 100644
--- a/Documentation/devicetree/bindings/mtd/partition.txt
+++ b/Documentation/devicetree/bindings/mtd/partition.txt
@@ -6,7 +6,9 @@ used for what purposes, but which don't use an on-flash partition table such
as RedBoot.
The partition table should be a subnode of the mtd node and should be named
-'partitions'. Partitions are defined in subnodes of the partitions node.
+'partitions'. This node should have the following property:
+- compatible : (required) must be "fixed-partitions"
+Partitions are then defined in subnodes of the partitions node.
For backwards compatibility partitions as direct subnodes of the mtd device are
supported. This use is discouraged.
@@ -36,6 +38,7 @@ Examples:
flash@0 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
@@ -53,6 +56,7 @@ flash@0 {
flash@1 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <2>;
@@ -66,6 +70,7 @@ flash@1 {
flash@2 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <2>;
#size-cells = <2>;
diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
index f5a8ca29aff0..aeea50c84e92 100644
--- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
+++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
@@ -8,6 +8,11 @@ Required properties:
- phy-mode: See ethernet.txt file in the same directory
- clocks: a pointer to the reference clock for this device.
+Optional properties:
+- tx-csum-limit: maximum mtu supported by port that allow TX checksum.
+ Value is presented in bytes. If not used, by default 1600B is set for
+ "marvell,armada-370-neta" and 9800B for others.
+
Example:
ethernet@d0070000 {
@@ -15,6 +20,7 @@ ethernet@d0070000 {
reg = <0xd0070000 0x2500>;
interrupts = <8>;
clocks = <&gate_clk 4>;
+ tx-csum-limit = <9800>
status = "okay";
phy = <&phy0>;
phy-mode = "rgmii-id";
diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
index b38200d2583a..0dfa60d88dd3 100644
--- a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
@@ -1,7 +1,9 @@
* Temperature Sensor ADC (TSADC) on rockchip SoCs
Required properties:
-- compatible : "rockchip,rk3288-tsadc"
+- compatible : should be "rockchip,<name>-tsadc"
+ "rockchip,rk3288-tsadc": found on RK3288 SoCs
+ "rockchip,rk3368-tsadc": found on RK3368 SoCs
- reg : physical base address of the controller and length of memory mapped
region.
- interrupts : The interrupt number to the cpu. The interrupt specifier format
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 6a4b1af724f8..1bba38dd2637 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -32,6 +32,7 @@ Supported adapters:
* Intel Sunrise Point-LP (PCH)
* Intel DNV (SOC)
* Intel Broxton (SOC)
+ * Intel Lewisburg (PCH)
Datasheets: Publicly available at the Intel website
On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f8aae632f02f..742f69d18fc8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1583,9 +1583,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
hwp_only
Only load intel_pstate on systems which support
hardware P state control (HWP) if available.
- no_acpi
- Don't use ACPI processor performance control objects
- _PSS and _PPC specified limits.
intremap= [X86-64, Intel-IOMMU]
on enable Interrupt Remapping (default)
diff --git a/Documentation/networking/e100.txt b/Documentation/networking/e100.txt
index f862cf3aff34..42ddbd4b52a9 100644
--- a/Documentation/networking/e100.txt
+++ b/Documentation/networking/e100.txt
@@ -181,17 +181,3 @@ For general information, go to the Intel support website at:
If an issue is identified with the released source code on the supported
kernel with a supported adapter, email the specific information related to the
issue to e1000-devel@lists.sourceforge.net.
-
-
-License
-=======
-
-This software program is released under the terms of a license agreement
-between you ('Licensee') and Intel. Do not use or load this software or any
-associated materials (collectively, the 'Software') until you have carefully
-read the full terms and conditions of the file COPYING located in this software
-package. By loading or using the Software, you agree to the terms of this
-Agreement. If you do not agree with the terms of this Agreement, do not install
-or use the Software.
-
-* Other names and brands may be claimed as the property of others.
diff --git a/MAINTAINERS b/MAINTAINERS
index e9caa4b28828..233f83464814 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -318,7 +318,7 @@ M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
S: Supported
-F: drivers/acpi/video.c
+F: drivers/acpi/acpi_video.c
ACPI WMI DRIVER
L: platform-driver-x86@vger.kernel.org
@@ -1847,7 +1847,7 @@ S: Supported
F: drivers/net/wireless/ath/ath6kl/
WILOCITY WIL6210 WIRELESS DRIVER
-M: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
+M: Maya Erez <qca_merez@qca.qualcomm.com>
L: linux-wireless@vger.kernel.org
L: wil6210@qca.qualcomm.com
S: Supported
@@ -1931,7 +1931,7 @@ S: Supported
F: drivers/i2c/busses/i2c-at91.c
ATMEL ISI DRIVER
-M: Josh Wu <josh.wu@atmel.com>
+M: Ludovic Desroches <ludovic.desroches@atmel.com>
L: linux-media@vger.kernel.org
S: Supported
F: drivers/media/platform/soc_camera/atmel-isi.c
@@ -1950,7 +1950,8 @@ S: Supported
F: drivers/net/ethernet/cadence/
ATMEL NAND DRIVER
-M: Josh Wu <josh.wu@atmel.com>
+M: Wenyou Yang <wenyou.yang@atmel.com>
+M: Josh Wu <rainyfeeling@outlook.com>
L: linux-mtd@lists.infradead.org
S: Supported
F: drivers/mtd/nand/atmel_nand*
@@ -2449,7 +2450,9 @@ F: drivers/firmware/broadcom/*
BROADCOM STB NAND FLASH DRIVER
M: Brian Norris <computersforpeace@gmail.com>
+M: Kamal Dasu <kdasu.kdev@gmail.com>
L: linux-mtd@lists.infradead.org
+L: bcm-kernel-feedback-list@broadcom.com
S: Maintained
F: drivers/mtd/nand/brcmnand/
@@ -2546,7 +2549,7 @@ F: arch/c6x/
CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS
M: David Howells <dhowells@redhat.com>
-L: linux-cachefs@redhat.com
+L: linux-cachefs@redhat.com (moderated for non-subscribers)
S: Supported
F: Documentation/filesystems/caching/cachefiles.txt
F: fs/cachefiles/
@@ -2929,10 +2932,9 @@ S: Maintained
F: drivers/platform/x86/compal-laptop.c
CONEXANT ACCESSRUNNER USB DRIVER
-M: Simon Arlott <cxacru@fire.lp0.eu>
L: accessrunner-general@lists.sourceforge.net
W: http://accessrunner.sourceforge.net/
-S: Maintained
+S: Orphan
F: drivers/usb/atm/cxacru.c
CONFIGFS
@@ -2973,6 +2975,7 @@ F: kernel/cpuset.c
CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
M: Johannes Weiner <hannes@cmpxchg.org>
M: Michal Hocko <mhocko@kernel.org>
+M: Vladimir Davydov <vdavydov@virtuozzo.com>
L: cgroups@vger.kernel.org
L: linux-mm@kvack.org
S: Maintained
@@ -4409,6 +4412,7 @@ K: fmc_d.*register
FPGA MANAGER FRAMEWORK
M: Alan Tull <atull@opensource.altera.com>
+R: Moritz Fischer <moritz.fischer@ettus.com>
S: Maintained
F: drivers/fpga/
F: include/linux/fpga/fpga-mgr.h
@@ -4559,7 +4563,7 @@ F: include/linux/frontswap.h
FS-CACHE: LOCAL CACHING FOR NETWORK FILESYSTEMS
M: David Howells <dhowells@redhat.com>
-L: linux-cachefs@redhat.com
+L: linux-cachefs@redhat.com (moderated for non-subscribers)
S: Supported
F: Documentation/filesystems/caching/
F: fs/fscache/
@@ -5574,7 +5578,7 @@ R: Jesse Brandeburg <jesse.brandeburg@intel.com>
R: Shannon Nelson <shannon.nelson@intel.com>
R: Carolyn Wyborny <carolyn.wyborny@intel.com>
R: Don Skidmore <donald.c.skidmore@intel.com>
-R: Matthew Vick <matthew.vick@intel.com>
+R: Bruce Allan <bruce.w.allan@intel.com>
R: John Ronciak <john.ronciak@intel.com>
R: Mitch Williams <mitch.a.williams@intel.com>
L: intel-wired-lan@lists.osuosl.org
@@ -5711,13 +5715,6 @@ M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar>
S: Maintained
F: net/ipv4/netfilter/ipt_MASQUERADE.c
-IP1000A 10/100/1000 GIGABIT ETHERNET DRIVER
-M: Francois Romieu <romieu@fr.zoreil.com>
-M: Sorbica Shieh <sorbica@icplus.com.tw>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/icplus/ipg.*
-
IPATH DRIVER
M: Mike Marciniszyn <infinipath@intel.com>
L: linux-rdma@vger.kernel.org
@@ -6371,6 +6368,7 @@ F: arch/*/include/asm/pmem.h
LIGHTNVM PLATFORM SUPPORT
M: Matias Bjorling <mb@lightnvm.io>
W: http://github/OpenChannelSSD
+L: linux-block@vger.kernel.org
S: Maintained
F: drivers/lightnvm/
F: include/linux/lightnvm.h
@@ -6923,13 +6921,21 @@ F: drivers/scsi/megaraid.*
F: drivers/scsi/megaraid/
MELLANOX ETHERNET DRIVER (mlx4_en)
-M: Amir Vadai <amirv@mellanox.com>
+M: Eugenia Emantayev <eugenia@mellanox.com>
L: netdev@vger.kernel.org
S: Supported
W: http://www.mellanox.com
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlx4/en_*
+MELLANOX ETHERNET DRIVER (mlx5e)
+M: Saeed Mahameed <saeedm@mellanox.com>
+L: netdev@vger.kernel.org
+S: Supported
+W: http://www.mellanox.com
+Q: http://patchwork.ozlabs.org/project/netdev/list/
+F: drivers/net/ethernet/mellanox/mlx5/core/en_*
+
MELLANOX ETHERNET SWITCH DRIVERS
M: Jiri Pirko <jiri@mellanox.com>
M: Ido Schimmel <idosch@mellanox.com>
@@ -7901,6 +7907,18 @@ S: Maintained
F: net/openvswitch/
F: include/uapi/linux/openvswitch.h
+OPERATING PERFORMANCE POINTS (OPP)
+M: Viresh Kumar <vireshk@kernel.org>
+M: Nishanth Menon <nm@ti.com>
+M: Stephen Boyd <sboyd@codeaurora.org>
+L: linux-pm@vger.kernel.org
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git
+F: drivers/base/power/opp/
+F: include/linux/pm_opp.h
+F: Documentation/power/opp.txt
+F: Documentation/devicetree/bindings/opp/
+
OPL4 DRIVER
M: Clemens Ladisch <clemens@ladisch.de>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
@@ -8269,7 +8287,7 @@ F: include/linux/delayacct.h
F: kernel/delayacct.c
PERFORMANCE EVENTS SUBSYSTEM
-M: Peter Zijlstra <a.p.zijlstra@chello.nl>
+M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
M: Arnaldo Carvalho de Melo <acme@kernel.org>
L: linux-kernel@vger.kernel.org
@@ -8362,6 +8380,14 @@ L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S: Maintained
F: drivers/pinctrl/samsung/
+PIN CONTROLLER - SINGLE
+M: Tony Lindgren <tony@atomide.com>
+M: Haojian Zhuang <haojian.zhuang@linaro.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/pinctrl/pinctrl-single.c
+
PIN CONTROLLER - ST SPEAR
M: Viresh Kumar <vireshk@kernel.org>
L: spear-devel@list.st.com
@@ -8928,6 +8954,13 @@ F: drivers/rpmsg/
F: Documentation/rpmsg.txt
F: include/linux/rpmsg.h
+RENESAS ETHERNET DRIVERS
+R: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
+L: netdev@vger.kernel.org
+L: linux-sh@vger.kernel.org
+F: drivers/net/ethernet/renesas/
+F: include/linux/sh_eth.h
+
RESET CONTROLLER FRAMEWORK
M: Philipp Zabel <p.zabel@pengutronix.de>
S: Maintained
@@ -9314,7 +9347,6 @@ F: drivers/i2c/busses/i2c-designware-*
F: include/linux/platform_data/i2c-designware.h
SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
-M: Seungwon Jeon <tgih.jun@samsung.com>
M: Jaehoon Chung <jh80.chung@samsung.com>
L: linux-mmc@vger.kernel.org
S: Maintained
@@ -9411,8 +9443,10 @@ F: include/scsi/sg.h
SCSI SUBSYSTEM
M: "James E.J. Bottomley" <JBottomley@odin.com>
-L: linux-scsi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
+M: "Martin K. Petersen" <martin.petersen@oracle.com>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
+L: linux-scsi@vger.kernel.org
S: Maintained
F: drivers/scsi/
F: include/scsi/
@@ -10887,9 +10921,9 @@ S: Maintained
F: drivers/media/tuners/tua9001*
TULIP NETWORK DRIVERS
-M: Grant Grundler <grundler@parisc-linux.org>
L: netdev@vger.kernel.org
-S: Maintained
+L: linux-parisc@vger.kernel.org
+S: Orphan
F: drivers/net/ethernet/dec/tulip/
TUN/TAP driver
diff --git a/Makefile b/Makefile
index 3a0234f50f36..4e2b18d56091 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc6
NAME = Blurry Fish Butt
# *DOCUMENTATION*
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 2c2ac3f3ff80..6312f607932f 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -445,6 +445,7 @@ config LINUX_LINK_BASE
However some customers have peripherals mapped at this addr, so
Linux needs to be scooted a bit.
If you don't know what the above means, leave this setting alone.
+ This needs to match memory start address specified in Device Tree
config HIGHMEM
bool "High Memory Support"
diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index f3db32154973..44a578c10732 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -46,6 +46,7 @@
snps,pbl = < 32 >;
clocks = <&apbclk>;
clock-names = "stmmaceth";
+ max-speed = <100>;
};
ehci@0x40000 {
diff --git a/arch/arc/boot/dts/nsim_hs.dts b/arch/arc/boot/dts/nsim_hs.dts
index b0eb0e7fe21d..fc81879bc1f5 100644
--- a/arch/arc/boot/dts/nsim_hs.dts
+++ b/arch/arc/boot/dts/nsim_hs.dts
@@ -17,7 +17,8 @@
memory {
device_type = "memory";
- reg = <0x0 0x80000000 0x0 0x40000000 /* 1 GB low mem */
+ /* CONFIG_LINUX_LINK_BASE needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MB low mem */
0x1 0x00000000 0x0 0x40000000>; /* 1 GB highmem */
};
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index c92c0ef1e9d2..f1ac9818b751 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index cfac24e0e7b6..323486d6ee83 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index 9922a118a15a..66191cd0447e 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index f761a7c70761..f68838e8068a 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index dc6f74f41283..96bd1c20fb0b 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index 3fef0a210c56..fcae66683ca0 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index 51784837daae..b01b659168ea 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig
index ef35ef3923dd..a07f20de221b 100644
--- a/arch/arc/configs/vdk_hs38_defconfig
+++ b/arch/arc/configs/vdk_hs38_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set
diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
index 634509e5e572..f36c047b33ca 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -1,4 +1,4 @@
-CONFIG_CROSS_COMPILE="arc-linux-uclibc-"
+CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_CROSS_MEMORY_ATTACH is not set
diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h
index ad481c24070d..258b0e5ad332 100644
--- a/arch/arc/include/asm/irqflags-arcv2.h
+++ b/arch/arc/include/asm/irqflags-arcv2.h
@@ -37,6 +37,9 @@
#define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \
(ARCV2_IRQ_DEF_PRIO << 1))
+/* SLEEP needs default irq priority (<=) which can interrupt the doze */
+#define ISA_SLEEP_ARG (0x10 | ARCV2_IRQ_DEF_PRIO)
+
#ifndef __ASSEMBLY__
/*
diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h
index d8c608174617..c1d36458bfb7 100644
--- a/arch/arc/include/asm/irqflags-compact.h
+++ b/arch/arc/include/asm/irqflags-compact.h
@@ -43,6 +43,8 @@
#define ISA_INIT_STATUS_BITS STATUS_IE_MASK
+#define ISA_SLEEP_ARG 0x3
+
#ifndef __ASSEMBLY__
/******************************************************************
diff --git a/arch/arc/include/asm/mach_desc.h b/arch/arc/include/asm/mach_desc.h
index 6ff657a904b6..c28e6c347b49 100644
--- a/arch/arc/include/asm/mach_desc.h
+++ b/arch/arc/include/asm/mach_desc.h
@@ -23,7 +23,7 @@
* @dt_compat: Array of device tree 'compatible' strings
* (XXX: although only 1st entry is looked at)
* @init_early: Very early callback [called from setup_arch()]
- * @init_cpu_smp: for each CPU as it is coming up (SMP as well as UP)
+ * @init_per_cpu: for each CPU as it is coming up (SMP as well as UP)
* [(M):init_IRQ(), (o):start_kernel_secondary()]
* @init_machine: arch initcall level callback (e.g. populate static
* platform devices or parse Devicetree)
@@ -35,7 +35,7 @@ struct machine_desc {
const char **dt_compat;
void (*init_early)(void);
#ifdef CONFIG_SMP
- void (*init_cpu_smp)(unsigned int);
+ void (*init_per_cpu)(unsigned int);
#endif
void (*init_machine)(void);
void (*init_late)(void);
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h
index 133c867d15af..991380438d6b 100644
--- a/arch/arc/include/asm/smp.h
+++ b/arch/arc/include/asm/smp.h
@@ -48,7 +48,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
* @init_early_smp: A SMP specific h/w block can init itself
* Could be common across platforms so not covered by
* mach_desc->init_early()
- * @init_irq_cpu: Called for each core so SMP h/w block driver can do
+ * @init_per_cpu: Called for each core so SMP h/w block driver can do
* any needed setup per cpu (e.g. IPI request)
* @cpu_kick: For Master to kickstart a cpu (optionally at a PC)
* @ipi_send: To send IPI to a @cpu
@@ -57,7 +57,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
struct plat_smp_ops {
const char *info;
void (*init_early_smp)(void);
- void (*init_irq_cpu)(int cpu);
+ void (*init_per_cpu)(int cpu);
void (*cpu_kick)(int cpu, unsigned long pc);
void (*ipi_send)(int cpu);
void (*ipi_clear)(int irq);
diff --git a/arch/arc/include/asm/unwind.h b/arch/arc/include/asm/unwind.h
index 7ca628b6ee2a..c11a25bb8158 100644
--- a/arch/arc/include/asm/unwind.h
+++ b/arch/arc/include/asm/unwind.h
@@ -112,7 +112,6 @@ struct unwind_frame_info {
extern int arc_unwind(struct unwind_frame_info *frame);
extern void arc_unwind_init(void);
-extern void arc_unwind_setup(void);
extern void *unwind_add_table(struct module *module, const void *table_start,
unsigned long table_size);
extern void unwind_remove_table(void *handle, int init_only);
@@ -152,9 +151,6 @@ static inline void arc_unwind_init(void)
{
}
-static inline void arc_unwind_setup(void)
-{
-}
#define unwind_add_table(a, b, c)
#define unwind_remove_table(a, b)
diff --git a/arch/arc/kernel/ctx_sw.c b/arch/arc/kernel/ctx_sw.c
index c14a5bea0c76..5d446df2c413 100644
--- a/arch/arc/kernel/ctx_sw.c
+++ b/arch/arc/kernel/ctx_sw.c
@@ -58,8 +58,6 @@ __switch_to(struct task_struct *prev_task, struct task_struct *next_task)
"st sp, [r24] \n\t"
#endif
- "sync \n\t"
-
/*
* setup _current_task with incoming tsk.
* optionally, set r25 to that as well
diff --git a/arch/arc/kernel/ctx_sw_asm.S b/arch/arc/kernel/ctx_sw_asm.S
index e248594097e7..e6890b1f8650 100644
--- a/arch/arc/kernel/ctx_sw_asm.S
+++ b/arch/arc/kernel/ctx_sw_asm.S
@@ -44,9 +44,6 @@ __switch_to:
* don't need to do anything special to return it
*/
- /* hardware memory barrier */
- sync
-
/*
* switch to new task, contained in r1
* Temp reg r3 is required to get the ptr to store val
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 26c156827479..0394f9f61b46 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -106,10 +106,21 @@ static struct irq_chip arcv2_irq_chip = {
static int arcv2_irq_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hw)
{
- if (irq == TIMER0_IRQ || irq == IPI_IRQ)
+ /*
+ * core intc IRQs [16, 23]:
+ * Statically assigned always private-per-core (Timers, WDT, IPI, PCT)
+ */
+ if (hw < 24) {
+ /*
+ * A subsequent request_percpu_irq() fails if percpu_devid is
+ * not set. That in turns sets NOAUTOEN, meaning each core needs
+ * to call enable_percpu_irq()
+ */
+ irq_set_percpu_devid(irq);
irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_percpu_irq);
- else
+ } else {
irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_level_irq);
+ }
return 0;
}
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index 2ee226546c6a..ba17f85285cf 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -29,11 +29,11 @@ void __init init_IRQ(void)
#ifdef CONFIG_SMP
/* a SMP H/w block could do IPI IRQ request here */
- if (plat_smp_ops.init_irq_cpu)
- plat_smp_ops.init_irq_cpu(smp_processor_id());
+ if (plat_smp_ops.init_per_cpu)
+ plat_smp_ops.init_per_cpu(smp_processor_id());
- if (machine_desc->init_cpu_smp)
- machine_desc->init_cpu_smp(smp_processor_id());
+ if (machine_desc->init_per_cpu)
+ machine_desc->init_per_cpu(smp_processor_id());
#endif
}
@@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs)
set_irq_regs(old_regs);
}
+/*
+ * API called for requesting percpu interrupts - called by each CPU
+ * - For boot CPU, actually request the IRQ with genirq core + enables
+ * - For subsequent callers only enable called locally
+ *
+ * Relies on being called by boot cpu first (i.e. request called ahead) of
+ * any enable as expected by genirq. Hence Suitable only for TIMER, IPI
+ * which are guaranteed to be setup on boot core first.
+ * Late probed peripherals such as perf can't use this as there no guarantee
+ * of being called on boot CPU first.
+ */
+
void arc_request_percpu_irq(int irq, int cpu,
irqreturn_t (*isr)(int irq, void *dev),
const char *irq_nm,
@@ -60,14 +72,17 @@ void arc_request_percpu_irq(int irq, int cpu,
if (!cpu) {
int rc;
+#ifdef CONFIG_ISA_ARCOMPACT
/*
- * These 2 calls are essential to making percpu IRQ APIs work
- * Ideally these details could be hidden in irq chip map function
- * but the issue is IPIs IRQs being static (non-DT) and platform
- * specific, so we can't identify them there.
+ * A subsequent request_percpu_irq() fails if percpu_devid is
+ * not set. That in turns sets NOAUTOEN, meaning each core needs
+ * to call enable_percpu_irq()
+ *
+ * For ARCv2, this is done in irq map function since we know
+ * which irqs are strictly per cpu
*/
irq_set_percpu_devid(irq);
- irq_modify_status(irq, IRQ_NOAUTOEN, 0); /* @irq, @clr, @set */
+#endif
rc = request_percpu_irq(irq, isr, irq_nm, percpu_dev);
if (rc)
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 74a9b074ac3e..bd237acdf4f2 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -132,7 +132,7 @@ static void mcip_probe_n_setup(void)
struct plat_smp_ops plat_smp_ops = {
.info = smp_cpuinfo_buf,
.init_early_smp = mcip_probe_n_setup,
- .init_irq_cpu = mcip_setup_per_cpu,
+ .init_per_cpu = mcip_setup_per_cpu,
.ipi_send = mcip_ipi_send,
.ipi_clear = mcip_ipi_clear,
};
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 0c08bb1ce15a..8b134cfe5e1f 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -428,12 +428,11 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev)
#endif /* CONFIG_ISA_ARCV2 */
-void arc_cpu_pmu_irq_init(void)
+static void arc_cpu_pmu_irq_init(void *data)
{
- struct arc_pmu_cpu *pmu_cpu = this_cpu_ptr(&arc_pmu_cpu);
+ int irq = *(int *)data;
- arc_request_percpu_irq(arc_pmu->irq, smp_processor_id(), arc_pmu_intr,
- "ARC perf counters", pmu_cpu);
+ enable_percpu_irq(irq, IRQ_TYPE_NONE);
/* Clear all pending interrupt flags */
write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff);
@@ -515,7 +514,6 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
if (has_interrupts) {
int irq = platform_get_irq(pdev, 0);
- unsigned long flags;
if (irq < 0) {
pr_err("Cannot get IRQ number for the platform\n");
@@ -524,24 +522,12 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
arc_pmu->irq = irq;
- /*
- * arc_cpu_pmu_irq_init() needs to be called on all cores for
- * their respective local PMU.
- * However we use opencoded on_each_cpu() to ensure it is called
- * on core0 first, so that arc_request_percpu_irq() sets up
- * AUTOEN etc. Otherwise enable_percpu_irq() fails to enable
- * perf IRQ on non master cores.
- * see arc_request_percpu_irq()
- */
- preempt_disable();
- local_irq_save(flags);
- arc_cpu_pmu_irq_init();
- local_irq_restore(flags);
- smp_call_function((smp_call_func_t)arc_cpu_pmu_irq_init, 0, 1);
- preempt_enable();
-
- /* Clean all pending interrupt flags */
- write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff);
+ /* intc map function ensures irq_set_percpu_devid() called */
+ request_percpu_irq(irq, arc_pmu_intr, "ARC perf counters",
+ this_cpu_ptr(&arc_pmu_cpu));
+
+ on_each_cpu(arc_cpu_pmu_irq_init, &irq, 1);
+
} else
arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index 91d5a0f1f3f7..a3f750e76b68 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -44,11 +44,10 @@ SYSCALL_DEFINE0(arc_gettls)
void arch_cpu_idle(void)
{
/* sleep, but enable all interrupts before committing */
- if (is_isa_arcompact()) {
- __asm__("sleep 0x3");
- } else {
- __asm__("sleep 0x10");
- }
+ __asm__ __volatile__(
+ "sleep %0 \n"
+ :
+ :"I"(ISA_SLEEP_ARG)); /* can't be "r" has to be embedded const */
}
asmlinkage void ret_from_fork(void);
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index c33e77c0ad3e..e1b87444ea9a 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -429,7 +429,6 @@ void __init setup_arch(char **cmdline_p)
#endif
arc_unwind_init();
- arc_unwind_setup();
}
static int __init customize_machine(void)
diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index 580587805fa3..ef6e9e15b82a 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -132,11 +132,11 @@ void start_kernel_secondary(void)
pr_info("## CPU%u LIVE ##: Executing Code...\n", cpu);
/* Some SMP H/w setup - for each cpu */
- if (plat_smp_ops.init_irq_cpu)
- plat_smp_ops.init_irq_cpu(cpu);
+ if (plat_smp_ops.init_per_cpu)
+ plat_smp_ops.init_per_cpu(cpu);
- if (machine_desc->init_cpu_smp)
- machine_desc->init_cpu_smp(cpu);
+ if (machine_desc->init_per_cpu)
+ machine_desc->init_per_cpu(cpu);
arc_local_timer_setup();
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 93c6ea52b671..cf2828ab0905 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -170,6 +170,23 @@ static struct unwind_table *find_table(unsigned long pc)
static unsigned long read_pointer(const u8 **pLoc,
const void *end, signed ptrType);
+static void init_unwind_hdr(struct unwind_table *table,
+ void *(*alloc) (unsigned long));
+
+/*
+ * wrappers for header alloc (vs. calling one vs. other at call site)
+ * to elide section mismatches warnings
+ */
+static void *__init unw_hdr_alloc_early(unsigned long sz)
+{
+ return __alloc_bootmem_nopanic(sz, sizeof(unsigned int),
+ MAX_DMA_ADDRESS);
+}
+
+static void *unw_hdr_alloc(unsigned long sz)
+{
+ return kmalloc(sz, GFP_KERNEL);
+}
static void init_unwind_table(struct unwind_table *table, const char *name,
const void *core_start, unsigned long core_size,
@@ -209,6 +226,8 @@ void __init arc_unwind_init(void)
__start_unwind, __end_unwind - __start_unwind,
NULL, 0);
/*__start_unwind_hdr, __end_unwind_hdr - __start_unwind_hdr);*/
+
+ init_unwind_hdr(&root_table, unw_hdr_alloc_early);
}
static const u32 bad_cie, not_fde;
@@ -241,8 +260,8 @@ static void swap_eh_frame_hdr_table_entries(void *p1, void *p2, int size)
e2->fde = v;
}
-static void __init setup_unwind_table(struct unwind_table *table,
- void *(*alloc) (unsigned long))
+static void init_unwind_hdr(struct unwind_table *table,
+ void *(*alloc) (unsigned long))
{
const u8 *ptr;
unsigned long tableSize = table->size, hdrSize;
@@ -274,13 +293,13 @@ static void __init setup_unwind_table(struct unwind_table *table,
const u32 *cie = cie_for_fde(fde, table);
signed ptrType;
- if (cie == &not_fde)
+ if (cie == &not_fde) /* only process FDE here */
continue;
if (cie == NULL || cie == &bad_cie)
- return;
+ continue; /* say FDE->CIE.version != 1 */
ptrType = fde_pointer_type(cie);
if (ptrType < 0)
- return;
+ continue;
ptr = (const u8 *)(fde + 2);
if (!read_pointer(&ptr, (const u8 *)(fde + 1) + *fde,
@@ -300,9 +319,11 @@ static void __init setup_unwind_table(struct unwind_table *table,
hdrSize = 4 + sizeof(unsigned long) + sizeof(unsigned int)
+ 2 * n * sizeof(unsigned long);
+
header = alloc(hdrSize);
if (!header)
return;
+
header->version = 1;
header->eh_frame_ptr_enc = DW_EH_PE_abs | DW_EH_PE_native;
header->fde_count_enc = DW_EH_PE_abs | DW_EH_PE_data4;
@@ -322,6 +343,10 @@ static void __init setup_unwind_table(struct unwind_table *table,
if (fde[1] == 0xffffffff)
continue; /* this is a CIE */
+
+ if (*(u8 *)(cie + 2) != 1)
+ continue; /* FDE->CIE.version not supported */
+
ptr = (const u8 *)(fde + 2);
header->table[n].start = read_pointer(&ptr,
(const u8 *)(fde + 1) +
@@ -342,18 +367,6 @@ static void __init setup_unwind_table(struct unwind_table *table,
table->header = (const void *)header;
}
-static void *__init balloc(unsigned long sz)
-{
- return __alloc_bootmem_nopanic(sz,
- sizeof(unsigned int),
- __pa(MAX_DMA_ADDRESS));
-}
-
-void __init arc_unwind_setup(void)
-{
- setup_unwind_table(&root_table, balloc);
-}
-
#ifdef CONFIG_MODULES
static struct unwind_table *last_table;
@@ -377,6 +390,8 @@ void *unwind_add_table(struct module *module, const void *table_start,
table_start, table_size,
NULL, 0);
+ init_unwind_hdr(table, unw_hdr_alloc);
+
#ifdef UNWIND_DEBUG
unw_debug("Table added for [%s] %lx %lx\n",
module->name, table->core.pc, table->core.range);
@@ -439,6 +454,7 @@ void unwind_remove_table(void *handle, int init_only)
info.init_only = init_only;
unlink_table(&info); /* XXX: SMP */
+ kfree(table->header);
kfree(table);
}
@@ -507,7 +523,8 @@ static const u32 *cie_for_fde(const u32 *fde, const struct unwind_table *table)
if (*cie <= sizeof(*cie) + 4 || *cie >= fde[1] - sizeof(*fde)
|| (*cie & (sizeof(*cie) - 1))
- || (cie[1] != 0xffffffff))
+ || (cie[1] != 0xffffffff)
+ || ( *(u8 *)(cie + 2) != 1)) /* version 1 supported */
return NULL; /* this is not a (valid) CIE */
return cie;
}
@@ -986,42 +1003,13 @@ int arc_unwind(struct unwind_frame_info *frame)
(const u8 *)(fde +
1) +
*fde, ptrType);
- if (pc >= endLoc)
+ if (pc >= endLoc) {
fde = NULL;
- } else
- fde = NULL;
- }
- if (fde == NULL) {
- for (fde = table->address, tableSize = table->size;
- cie = NULL, tableSize > sizeof(*fde)
- && tableSize - sizeof(*fde) >= *fde;
- tableSize -= sizeof(*fde) + *fde,
- fde += 1 + *fde / sizeof(*fde)) {
- cie = cie_for_fde(fde, table);
- if (cie == &bad_cie) {
cie = NULL;
- break;
}
- if (cie == NULL
- || cie == &not_fde
- || (ptrType = fde_pointer_type(cie)) < 0)
- continue;
- ptr = (const u8 *)(fde + 2);
- startLoc = read_pointer(&ptr,
- (const u8 *)(fde + 1) +
- *fde, ptrType);
- if (!startLoc)
- continue;
- if (!(ptrType & DW_EH_PE_indirect))
- ptrType &=
- DW_EH_PE_FORM | DW_EH_PE_signed;
- endLoc =
- startLoc + read_pointer(&ptr,
- (const u8 *)(fde +
- 1) +
- *fde, ptrType);
- if (pc >= startLoc && pc < endLoc)
- break;
+ } else {
+ fde = NULL;
+ cie = NULL;
}
}
}
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index a9305b5a2cd4..7d2c4fbf4f22 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -51,7 +51,9 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
int in_use = 0;
if (!low_mem_sz) {
- BUG_ON(base != low_mem_start);
+ if (base != low_mem_start)
+ panic("CONFIG_LINUX_LINK_BASE != DT memory { }");
+
low_mem_sz = size;
in_use = 1;
} else {
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 0ee739846847..daf2bf52b984 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -619,10 +619,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned,
int dirty = !test_and_set_bit(PG_dc_clean, &page->flags);
if (dirty) {
- /* wback + inv dcache lines */
+ /* wback + inv dcache lines (K-mapping) */
__flush_dcache_page(paddr, paddr);
- /* invalidate any existing icache lines */
+ /* invalidate any existing icache lines (U-mapping) */
if (vma->vm_flags & VM_EXEC)
__inv_icache_page(paddr, vaddr);
}
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0365cbbc9179..34e1569a11ee 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -76,6 +76,8 @@ config ARM
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_REL
select NO_BOOTMEM
+ select OF_EARLY_FLATTREE if OF
+ select OF_RESERVED_MEM if OF
select OLD_SIGACTION
select OLD_SIGSUSPEND3
select PERF_USE_VMALLOC
@@ -1822,8 +1824,6 @@ config USE_OF
bool "Flattened Device Tree support"
select IRQ_DOMAIN
select OF
- select OF_EARLY_FLATTREE
- select OF_RESERVED_MEM
help
Include support for flattened device tree machine descriptions.
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index d83ff9c9701e..de8791a4d131 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -74,7 +74,7 @@
reg = <0x48240200 0x100>;
interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&dpll_mpu_m2_ck>;
+ clocks = <&mpu_periphclk>;
};
local_timer: timer@48240600 {
@@ -82,7 +82,7 @@
reg = <0x48240600 0x100>;
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
- clocks = <&dpll_mpu_m2_ck>;
+ clocks = <&mpu_periphclk>;
};
l2-cache-controller@48242000 {
diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index cc88728d751d..a38af2bfbfcf 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -259,6 +259,14 @@
ti,invert-autoidle-bit;
};
+ mpu_periphclk: mpu_periphclk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&dpll_mpu_m2_ck>;
+ clock-mult = <1>;
+ clock-div = <2>;
+ };
+
dpll_ddr_ck: dpll_ddr_ck {
#clock-cells = <0>;
compatible = "ti,am3-dpll-clock";
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index d9ba6b879fc1..00352e761b8c 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -604,6 +604,7 @@
reg = <0x6f>;
interrupts-extended = <&crossbar_mpu GIC_SPI 2 IRQ_TYPE_EDGE_RISING>,
<&dra7_pmx_core 0x424>;
+ interrupt-names = "irq", "wakeup";
pinctrl-names = "default";
pinctrl-0 = <&mcp79410_pins_default>;
diff --git a/arch/arm/boot/dts/animeo_ip.dts b/arch/arm/boot/dts/animeo_ip.dts
index 4e0ad3b82796..0962f2fa3f6e 100644
--- a/arch/arm/boot/dts/animeo_ip.dts
+++ b/arch/arm/boot/dts/animeo_ip.dts
@@ -155,21 +155,21 @@
label = "keyswitch_in";
gpios = <&pioB 1 GPIO_ACTIVE_HIGH>;
linux,code = <28>;
- gpio-key,wakeup;
+ wakeup-source;
};
error_in {
label = "error_in";
gpios = <&pioB 2 GPIO_ACTIVE_HIGH>;
linux,code = <29>;
- gpio-key,wakeup;
+ wakeup-source;
};
btn {
label = "btn";
gpios = <&pioC 23 GPIO_ACTIVE_HIGH>;
linux,code = <31>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
};
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index c6a0e9d7f1a9..e8b7f6726772 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -498,6 +498,7 @@
reg = <0x70000 0x4000>;
interrupts-extended = <&mpic 8>;
clocks = <&gateclk 4>;
+ tx-csum-limit = <9800>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/at91-foxg20.dts b/arch/arm/boot/dts/at91-foxg20.dts
index f89598af4c2b..6bf873e7d96c 100644
--- a/arch/arm/boot/dts/at91-foxg20.dts
+++ b/arch/arm/boot/dts/at91-foxg20.dts
@@ -159,7 +159,7 @@
label = "Button";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
};
diff --git a/arch/arm/boot/dts/at91-kizbox.dts b/arch/arm/boot/dts/at91-kizbox.dts
index bf18ece0c027..229e989eb60d 100644
--- a/arch/arm/boot/dts/at91-kizbox.dts
+++ b/arch/arm/boot/dts/at91-kizbox.dts
@@ -24,15 +24,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <18432000>;
- };
-
main_xtal {
clock-frequency = <18432000>;
};
@@ -94,14 +85,14 @@
label = "PB_RST";
gpios = <&pioB 30 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
user {
label = "PB_USER";
gpios = <&pioB 31 GPIO_ACTIVE_HIGH>;
linux,code = <0x101>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-kizbox2.dts b/arch/arm/boot/dts/at91-kizbox2.dts
index f0b1563cb3f1..50a14568f094 100644
--- a/arch/arm/boot/dts/at91-kizbox2.dts
+++ b/arch/arm/boot/dts/at91-kizbox2.dts
@@ -171,21 +171,21 @@
label = "PB_PROG";
gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
linux,code = <0x102>;
- gpio-key,wakeup;
+ wakeup-source;
};
reset {
label = "PB_RST";
gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
user {
label = "PB_USER";
gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
linux,code = <0x101>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-kizboxmini.dts b/arch/arm/boot/dts/at91-kizboxmini.dts
index 9f72b4932634..9682d105d4d8 100644
--- a/arch/arm/boot/dts/at91-kizboxmini.dts
+++ b/arch/arm/boot/dts/at91-kizboxmini.dts
@@ -98,14 +98,14 @@
label = "PB_PROG";
gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
linux,code = <0x102>;
- gpio-key,wakeup;
+ wakeup-source;
};
reset {
label = "PB_RST";
gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-qil_a9260.dts b/arch/arm/boot/dts/at91-qil_a9260.dts
index a9aef53ab764..4f2eebf4a560 100644
--- a/arch/arm/boot/dts/at91-qil_a9260.dts
+++ b/arch/arm/boot/dts/at91-qil_a9260.dts
@@ -183,7 +183,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index e07c2b206beb..e74df327cdd3 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -45,6 +45,7 @@
/dts-v1/;
#include "sama5d2.dtsi"
#include "sama5d2-pinfunc.h"
+#include <dt-bindings/mfd/atmel-flexcom.h>
/ {
model = "Atmel SAMA5D2 Xplained";
@@ -59,15 +60,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -91,6 +83,22 @@
status = "okay";
};
+ sdmmc0: sdio-host@a0000000 {
+ bus-width = <8>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc0_default>;
+ non-removable;
+ mmc-ddr-1_8v;
+ status = "okay";
+ };
+
+ sdmmc1: sdio-host@b0000000 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc1_default>;
+ status = "okay"; /* conflict with qspi0 */
+ };
+
apb {
spi0: spi@f8000000 {
pinctrl-names = "default";
@@ -176,17 +184,55 @@
regulator-name = "VDD_SDHC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
};
};
};
};
+ flx0: flexcom@f8034000 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+ status = "disabled"; /* conflict with ISC_D2 & ISC_D3 data pins */
+
+ uart5: serial@200 {
+ compatible = "atmel,at91sam9260-usart";
+ reg = <0x200 0x200>;
+ interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
+ clocks = <&flx0_clk>;
+ clock-names = "usart";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx0_default>;
+ atmel,fifo-size = <32>;
+ status = "okay";
+ };
+ };
+
uart3: serial@fc008000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3_default>;
status = "okay";
};
+ flx4: flexcom@fc018000 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ status = "okay";
+
+ i2c2: i2c@600 {
+ compatible = "atmel,sama5d2-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
+ dmas = <0>, <0>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&flx4_clk>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx4_default>;
+ atmel,fifo-size = <16>;
+ status = "okay";
+ };
+ };
+
i2c1: i2c@fc028000 {
dmas = <0>, <0>;
pinctrl-names = "default";
@@ -201,6 +247,18 @@
};
pinctrl@fc038000 {
+ pinctrl_flx0_default: flx0_default {
+ pinmux = <PIN_PB28__FLEXCOM0_IO0>,
+ <PIN_PB29__FLEXCOM0_IO1>;
+ bias-disable;
+ };
+
+ pinctrl_flx4_default: flx4_default {
+ pinmux = <PIN_PD12__FLEXCOM4_IO0>,
+ <PIN_PD13__FLEXCOM4_IO1>;
+ bias-disable;
+ };
+
pinctrl_i2c0_default: i2c0_default {
pinmux = <PIN_PD21__TWD0>,
<PIN_PD22__TWCK0>;
@@ -227,6 +285,46 @@
bias-disable;
};
+ pinctrl_sdmmc0_default: sdmmc0_default {
+ cmd_data {
+ pinmux = <PIN_PA1__SDMMC0_CMD>,
+ <PIN_PA2__SDMMC0_DAT0>,
+ <PIN_PA3__SDMMC0_DAT1>,
+ <PIN_PA4__SDMMC0_DAT2>,
+ <PIN_PA5__SDMMC0_DAT3>,
+ <PIN_PA6__SDMMC0_DAT4>,
+ <PIN_PA7__SDMMC0_DAT5>,
+ <PIN_PA8__SDMMC0_DAT6>,
+ <PIN_PA9__SDMMC0_DAT7>;
+ bias-pull-up;
+ };
+
+ ck_cd_rstn_vddsel {
+ pinmux = <PIN_PA0__SDMMC0_CK>,
+ <PIN_PA10__SDMMC0_RSTN>,
+ <PIN_PA11__SDMMC0_VDDSEL>,
+ <PIN_PA13__SDMMC0_CD>;
+ bias-disable;
+ };
+ };
+
+ pinctrl_sdmmc1_default: sdmmc1_default {
+ cmd_data {
+ pinmux = <PIN_PA28__SDMMC1_CMD>,
+ <PIN_PA18__SDMMC1_DAT0>,
+ <PIN_PA19__SDMMC1_DAT1>,
+ <PIN_PA20__SDMMC1_DAT2>,
+ <PIN_PA21__SDMMC1_DAT3>;
+ bias-pull-up;
+ };
+
+ conf-ck_cd {
+ pinmux = <PIN_PA22__SDMMC1_CK>,
+ <PIN_PA30__SDMMC1_CD>;
+ bias-disable;
+ };
+ };
+
pinctrl_spi0_default: spi0_default {
pinmux = <PIN_PA14__SPI0_SPCK>,
<PIN_PA15__SPI0_MOSI>,
diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
index 8488ac53d22d..ff888d21c786 100644
--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
@@ -315,7 +315,7 @@
label = "PB_USER";
gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
index 45371a1b61b3..131614f28e75 100644
--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
@@ -50,7 +50,6 @@
compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5";
chosen {
- bootargs = "ignore_loglevel earlyprintk";
stdout-path = "serial0:115200n8";
};
@@ -59,15 +58,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -235,7 +225,7 @@
label = "pb_user1";
gpios = <&pioE 8 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91-sama5d4ek.dts b/arch/arm/boot/dts/at91-sama5d4ek.dts
index 6d272c0125e3..2d4a33100af6 100644
--- a/arch/arm/boot/dts/at91-sama5d4ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d4ek.dts
@@ -50,7 +50,6 @@
compatible = "atmel,sama5d4ek", "atmel,sama5d4", "atmel,sama5";
chosen {
- bootargs = "ignore_loglevel earlyprintk";
stdout-path = "serial0:115200n8";
};
@@ -59,15 +58,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -304,7 +294,7 @@
label = "pb_user1";
gpios = <&pioE 13 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91rm9200ek.dts b/arch/arm/boot/dts/at91rm9200ek.dts
index 8dab4b75ca97..f90e1c2d3caa 100644
--- a/arch/arm/boot/dts/at91rm9200ek.dts
+++ b/arch/arm/boot/dts/at91rm9200ek.dts
@@ -21,15 +21,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <18432000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts
index 2e92ac020f23..55bd51f07fa6 100644
--- a/arch/arm/boot/dts/at91sam9261ek.dts
+++ b/arch/arm/boot/dts/at91sam9261ek.dts
@@ -22,15 +22,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <18432000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -149,7 +140,7 @@
ti,debounce-tol = /bits/ 16 <65535>;
ti,debounce-max = /bits/ 16 <1>;
- linux,wakeup;
+ wakeup-source;
};
};
@@ -193,28 +184,28 @@
label = "button_0";
gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
linux,code = <256>;
- gpio-key,wakeup;
+ wakeup-source;
};
button_1 {
label = "button_1";
gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
linux,code = <257>;
- gpio-key,wakeup;
+ wakeup-source;
};
button_2 {
label = "button_2";
gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
linux,code = <258>;
- gpio-key,wakeup;
+ wakeup-source;
};
button_3 {
label = "button_3";
gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
linux,code = <259>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
};
diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts
index 23381276ffb8..59df9d73d276 100644
--- a/arch/arm/boot/dts/at91sam9263ek.dts
+++ b/arch/arm/boot/dts/at91sam9263ek.dts
@@ -22,15 +22,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <16367660>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -213,14 +204,14 @@
label = "left_click";
gpios = <&pioC 5 GPIO_ACTIVE_LOW>;
linux,code = <272>;
- gpio-key,wakeup;
+ wakeup-source;
};
right_click {
label = "right_click";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <273>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
index 57548a2c5a1e..e9cc99b6353a 100644
--- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
@@ -19,15 +19,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <18432000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -206,14 +197,14 @@
label = "Button 3";
gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
- gpio-key,wakeup;
+ wakeup-source;
};
btn4 {
label = "Button 4";
gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
index 9d16ef8453c5..2400c99134f7 100644
--- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
+++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
@@ -24,15 +24,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -323,14 +314,14 @@
label = "left_click";
gpios = <&pioB 6 GPIO_ACTIVE_LOW>;
linux,code = <272>;
- gpio-key,wakeup;
+ wakeup-source;
};
right_click {
label = "right_click";
gpios = <&pioB 7 GPIO_ACTIVE_LOW>;
linux,code = <273>;
- gpio-key,wakeup;
+ wakeup-source;
};
left {
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
index acf3451a332d..ca4ddf86817a 100644
--- a/arch/arm/boot/dts/at91sam9n12ek.dts
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -23,15 +23,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <16000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -219,7 +210,7 @@
label = "Enter";
gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
linux,code = <28>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91sam9rlek.dts b/arch/arm/boot/dts/at91sam9rlek.dts
index 558c9f220bed..f10566f759cd 100644
--- a/arch/arm/boot/dts/at91sam9rlek.dts
+++ b/arch/arm/boot/dts/at91sam9rlek.dts
@@ -22,15 +22,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
-
slow_xtal {
clock-frequency = <32768>;
};
@@ -225,14 +216,14 @@
label = "right_click";
gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
linux,code = <273>;
- gpio-key,wakeup;
+ wakeup-source;
};
left_click {
label = "left_click";
gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
linux,code = <272>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
index 26112ebd15fc..b098ad8cd93a 100644
--- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
@@ -13,17 +13,6 @@
};
clocks {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
-
- main_clock: clock@0 {
- compatible = "atmel,osc", "fixed-clock";
- clock-frequency = <12000000>;
- };
- };
-
- clocks {
slow_xtal {
clock-frequency = <32768>;
};
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 8ea177f375dd..fb1da99996ea 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -118,7 +118,8 @@
sdhci0: sdhci@ab0000 {
compatible = "mrvl,pxav3-mmc";
reg = <0xab0000 0x200>;
- clocks = <&chip_clk CLKID_SDIO1XIN>;
+ clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
+ clock-names = "io", "core";
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -126,7 +127,8 @@
sdhci1: sdhci@ab0800 {
compatible = "mrvl,pxav3-mmc";
reg = <0xab0800 0x200>;
- clocks = <&chip_clk CLKID_SDIO1XIN>;
+ clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
+ clock-names = "io", "core";
interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -135,7 +137,7 @@
compatible = "mrvl,pxav3-mmc";
reg = <0xab1000 0x200>;
interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_NFC>;
+ clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_SDIO>;
clock-names = "io", "core";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 3c99cfa1a876..eee636de4cd8 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -218,6 +218,7 @@
reg = <0x480c8000 0x2000>;
interrupts = <77>;
ti,hwmods = "mailbox";
+ #mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <12>;
mbox_dsp: mbox_dsp {
@@ -279,8 +280,11 @@
ti,spi-num-cs = <4>;
ti,hwmods = "mcspi1";
dmas = <&edma 16 &edma 17
- &edma 18 &edma 19>;
- dma-names = "tx0", "rx0", "tx1", "rx1";
+ &edma 18 &edma 19
+ &edma 20 &edma 21
+ &edma 22 &edma 23>;
+ dma-names = "tx0", "rx0", "tx1", "rx1",
+ "tx2", "rx2", "tx3", "rx3";
};
mmc1: mmc@48060000 {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index bc672fb91466..fe99231cbde5 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1459,8 +1459,8 @@
interrupt-names = "tx", "rx";
dmas = <&sdma_xbar 133>, <&sdma_xbar 132>;
dma-names = "tx", "rx";
- clocks = <&mcasp3_ahclkx_mux>;
- clock-names = "fck";
+ clocks = <&mcasp3_aux_gfclk_mux>, <&mcasp3_ahclkx_mux>;
+ clock-names = "fck", "ahclkx";
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index feb9d34b239c..f818ea483aeb 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -486,7 +486,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024000 0x200>;
interrupts = <56>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 0>;
status = "disabled";
};
@@ -495,7 +498,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024200 0x200>;
interrupts = <54>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 1>;
dr_mode = "host";
status = "disabled";
@@ -505,7 +511,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024400 0x200>;
interrupts = <55>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 2>;
dr_mode = "host";
status = "disabled";
@@ -515,7 +524,6 @@
#index-cells = <1>;
compatible = "fsl,imx27-usbmisc";
reg = <0x10024600 0x200>;
- clocks = <&clks IMX27_CLK_USB_AHB_GATE>;
};
sahara2: sahara@10025000 {
diff --git a/arch/arm/boot/dts/k2l-netcp.dtsi b/arch/arm/boot/dts/k2l-netcp.dtsi
index 01aef230773d..5acbd0dcc2ab 100644
--- a/arch/arm/boot/dts/k2l-netcp.dtsi
+++ b/arch/arm/boot/dts/k2l-netcp.dtsi
@@ -137,7 +137,7 @@ netcp: netcp@26000000 {
/* NetCP address range */
ranges = <0 0x26000000 0x1000000>;
- clocks = <&papllclk>, <&clkcpgmac>, <&chipclk12>;
+ clocks = <&clkosr>, <&papllclk>, <&clkcpgmac>, <&chipclk12>;
dma-coherent;
ti,navigator-dmas = <&dma_gbe 0>,
diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi
index c56ab6bbfe3c..0e46560551f4 100644
--- a/arch/arm/boot/dts/kirkwood-ts219.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi
@@ -40,7 +40,7 @@
};
poweroff@12100 {
compatible = "qnap,power-off";
- reg = <0x12000 0x100>;
+ reg = <0x12100 0x100>;
clocks = <&gate_clk 7>;
};
spi@10600 {
diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index 8fd8ef2c72da..85f0373df498 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -86,6 +86,10 @@
};
};
+&emmc {
+ /delete-property/mmc-hs200-1_8v;
+};
+
&gpio_keys {
pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 6a79c9c526b8..04ea209f1737 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -452,8 +452,10 @@
clock-names = "tsadc", "apb_pclk";
resets = <&cru SRST_TSADC>;
reset-names = "tsadc-apb";
- pinctrl-names = "default";
- pinctrl-0 = <&otp_out>;
+ pinctrl-names = "init", "default", "sleep";
+ pinctrl-0 = <&otp_gpio>;
+ pinctrl-1 = <&otp_out>;
+ pinctrl-2 = <&otp_gpio>;
#thermal-sensor-cells = <1>;
rockchip,hw-tshut-temp = <95000>;
status = "disabled";
@@ -1395,6 +1397,10 @@
};
tsadc {
+ otp_gpio: otp-gpio {
+ rockchip,pins = <0 10 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
otp_out: otp-out {
rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>;
};
diff --git a/arch/arm/boot/dts/sama5d35ek.dts b/arch/arm/boot/dts/sama5d35ek.dts
index d9a9aca1ccfd..e812f5c1bf70 100644
--- a/arch/arm/boot/dts/sama5d35ek.dts
+++ b/arch/arm/boot/dts/sama5d35ek.dts
@@ -49,7 +49,7 @@
label = "pb_user1";
gpios = <&pioE 27 GPIO_ACTIVE_HIGH>;
linux,code = <0x100>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
};
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 15bbaf690047..2193637b9cd2 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -1300,7 +1300,7 @@
};
watchdog@fc068640 {
- compatible = "atmel,at91sam9260-wdt";
+ compatible = "atmel,sama5d4-wdt";
reg = <0xfc068640 0x10>;
clocks = <&clk32k>;
status = "disabled";
diff --git a/arch/arm/boot/dts/usb_a9260_common.dtsi b/arch/arm/boot/dts/usb_a9260_common.dtsi
index 12edafefd44a..9beea8976584 100644
--- a/arch/arm/boot/dts/usb_a9260_common.dtsi
+++ b/arch/arm/boot/dts/usb_a9260_common.dtsi
@@ -115,7 +115,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/usb_a9263.dts b/arch/arm/boot/dts/usb_a9263.dts
index 68c0de36c339..8cc6edb29694 100644
--- a/arch/arm/boot/dts/usb_a9263.dts
+++ b/arch/arm/boot/dts/usb_a9263.dts
@@ -143,7 +143,7 @@
label = "user_pb";
gpios = <&pioB 10 GPIO_ACTIVE_LOW>;
linux,code = <28>;
- gpio-key,wakeup;
+ wakeup-source;
};
};
diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi
index 19fe045b8334..2d7eab755210 100644
--- a/arch/arm/boot/dts/vf610-colibri.dtsi
+++ b/arch/arm/boot/dts/vf610-colibri.dtsi
@@ -18,8 +18,3 @@
reg = <0x80000000 0x10000000>;
};
};
-
-&L2 {
- arm,data-latency = <2 1 2>;
- arm,tag-latency = <3 2 3>;
-};
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 5f8eb1bd782b..58bc6e448be5 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -19,7 +19,7 @@
reg = <0x40006000 0x1000>;
cache-unified;
cache-level = <2>;
- arm,data-latency = <1 1 1>;
+ arm,data-latency = <3 3 3>;
arm,tag-latency = <2 2 2>;
};
};
diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
index 6736bae43a5b..3cd1b27f2697 100644
--- a/arch/arm/boot/dts/vfxxx.dtsi
+++ b/arch/arm/boot/dts/vfxxx.dtsi
@@ -158,7 +158,7 @@
interrupts = <67 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks VF610_CLK_DSPI0>;
clock-names = "dspi";
- spi-num-chipselects = <5>;
+ spi-num-chipselects = <6>;
status = "disabled";
};
@@ -170,7 +170,7 @@
interrupts = <68 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks VF610_CLK_DSPI1>;
clock-names = "dspi";
- spi-num-chipselects = <5>;
+ spi-num-chipselects = <4>;
status = "disabled";
};
@@ -178,8 +178,10 @@
compatible = "fsl,vf610-sai";
reg = <0x40031000 0x1000>;
interrupts = <86 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clks VF610_CLK_SAI2>;
- clock-names = "sai";
+ clocks = <&clks VF610_CLK_SAI2>,
+ <&clks VF610_CLK_SAI2_DIV>,
+ <&clks 0>, <&clks 0>;
+ clock-names = "bus", "mclk1", "mclk2", "mclk3";
dma-names = "tx", "rx";
dmas = <&edma0 0 21>,
<&edma0 0 20>;
@@ -461,6 +463,8 @@
clock-names = "adc";
#io-channel-cells = <1>;
status = "disabled";
+ fsl,adck-max-frequency = <30000000>, <40000000>,
+ <20000000>;
};
esdhc0: esdhc@400b1000 {
@@ -472,8 +476,6 @@
<&clks VF610_CLK_ESDHC0>;
clock-names = "ipg", "ahb", "per";
status = "disabled";
- fsl,adck-max-frequency = <30000000>, <40000000>,
- <20000000>;
};
esdhc1: esdhc@400b2000 {
diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig
index 1b1e5acd76e2..e4b1be66b3f5 100644
--- a/arch/arm/configs/at91_dt_defconfig
+++ b/arch/arm/configs/at91_dt_defconfig
@@ -125,7 +125,6 @@ CONFIG_POWER_RESET=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
-CONFIG_SSB=m
CONFIG_MFD_ATMEL_HLCDC=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig
index a0c57ac88b27..63f7e6ce649a 100644
--- a/arch/arm/configs/sama5_defconfig
+++ b/arch/arm/configs/sama5_defconfig
@@ -129,7 +129,6 @@ CONFIG_GPIO_SYSFS=y
CONFIG_POWER_SUPPLY=y
CONFIG_POWER_RESET=y
# CONFIG_HWMON is not set
-CONFIG_SSB=m
CONFIG_MFD_ATMEL_FLEXCOM=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
diff --git a/arch/arm/include/asm/arch_gicv3.h b/arch/arm/include/asm/arch_gicv3.h
index 6607d976e07d..7da5503c0591 100644
--- a/arch/arm/include/asm/arch_gicv3.h
+++ b/arch/arm/include/asm/arch_gicv3.h
@@ -21,6 +21,7 @@
#ifndef __ASSEMBLY__
#include <linux/io.h>
+#include <asm/barrier.h>
#define __ACCESS_CP15(CRn, Op1, CRm, Op2) p15, Op1, %0, CRn, CRm, Op2
#define __ACCESS_CP15_64(Op1, CRm) p15, Op1, %Q0, %R0, CRm
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index be1d07d59ee9..1bd9510de1b9 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -40,6 +40,11 @@ extern void arch_trigger_all_cpu_backtrace(bool);
#define arch_trigger_all_cpu_backtrace(x) arch_trigger_all_cpu_backtrace(x)
#endif
+static inline int nr_legacy_irqs(void)
+{
+ return NR_IRQS_LEGACY;
+}
+
#endif
#endif
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index a9c80a2ea1a7..3095df091ff8 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -28,6 +28,18 @@
unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num);
unsigned long *vcpu_spsr(struct kvm_vcpu *vcpu);
+static inline unsigned long vcpu_get_reg(struct kvm_vcpu *vcpu,
+ u8 reg_num)
+{
+ return *vcpu_reg(vcpu, reg_num);
+}
+
+static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,
+ unsigned long val)
+{
+ *vcpu_reg(vcpu, reg_num) = val;
+}
+
bool kvm_condition_valid(struct kvm_vcpu *vcpu);
void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr);
void kvm_inject_undefined(struct kvm_vcpu *vcpu);
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 8cc85a4ebec2..35c9db857ebe 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -510,10 +510,14 @@ __copy_to_user_std(void __user *to, const void *from, unsigned long n);
static inline unsigned long __must_check
__copy_to_user(void __user *to, const void *from, unsigned long n)
{
+#ifndef CONFIG_UACCESS_WITH_MEMCPY
unsigned int __ua_flags = uaccess_save_and_enable();
n = arm_copy_to_user(to, from, n);
uaccess_restore(__ua_flags);
return n;
+#else
+ return arm_copy_to_user(to, from, n);
+#endif
}
extern unsigned long __must_check
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index 7a2a32a1d5a8..ede692ffa32e 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -416,6 +416,7 @@
#define __NR_execveat (__NR_SYSCALL_BASE+387)
#define __NR_userfaultfd (__NR_SYSCALL_BASE+388)
#define __NR_membarrier (__NR_SYSCALL_BASE+389)
+#define __NR_mlock2 (__NR_SYSCALL_BASE+390)
/*
* The following SWIs are ARM private.
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 6551d28c27e6..066f7f9ba411 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -17,11 +17,6 @@
#include <asm/mach/pci.h>
static int debug_pci;
-static resource_size_t (*align_resource)(struct pci_dev *dev,
- const struct resource *res,
- resource_size_t start,
- resource_size_t size,
- resource_size_t align) = NULL;
/*
* We can't use pci_get_device() here since we are
@@ -461,7 +456,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
sys->busnr = busnr;
sys->swizzle = hw->swizzle;
sys->map_irq = hw->map_irq;
- align_resource = hw->align_resource;
INIT_LIST_HEAD(&sys->resources);
if (hw->private_data)
@@ -470,6 +464,8 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
ret = hw->setup(nr, sys);
if (ret > 0) {
+ struct pci_host_bridge *host_bridge;
+
ret = pcibios_init_resources(nr, sys);
if (ret) {
kfree(sys);
@@ -491,6 +487,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
busnr = sys->bus->busn_res.end + 1;
list_add(&sys->node, head);
+
+ host_bridge = pci_find_host_bridge(sys->bus);
+ host_bridge->align_resource = hw->align_resource;
} else {
kfree(sys);
if (ret < 0)
@@ -578,14 +577,18 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
{
struct pci_dev *dev = data;
resource_size_t start = res->start;
+ struct pci_host_bridge *host_bridge;
if (res->flags & IORESOURCE_IO && start & 0x300)
start = (start + 0x3ff) & ~0x3ff;
start = (start + align - 1) & ~(align - 1);
- if (align_resource)
- return align_resource(dev, res, start, size, align);
+ host_bridge = pci_find_host_bridge(dev->bus);
+
+ if (host_bridge->align_resource)
+ return host_bridge->align_resource(dev, res,
+ start, size, align);
return start;
}
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index fde6c88d560c..ac368bb068d1 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -399,6 +399,7 @@
CALL(sys_execveat)
CALL(sys_userfaultfd)
CALL(sys_membarrier)
+ CALL(sys_mlock2)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 7a7c4cea5523..4adfb46e3ee9 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -95,6 +95,22 @@ void __show_regs(struct pt_regs *regs)
{
unsigned long flags;
char buf[64];
+#ifndef CONFIG_CPU_V7M
+ unsigned int domain;
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+ /*
+ * Get the domain register for the parent context. In user
+ * mode, we don't save the DACR, so lets use what it should
+ * be. For other modes, we place it after the pt_regs struct.
+ */
+ if (user_mode(regs))
+ domain = DACR_UACCESS_ENABLE;
+ else
+ domain = *(unsigned int *)(regs + 1);
+#else
+ domain = get_domain();
+#endif
+#endif
show_regs_print_info(KERN_DEFAULT);
@@ -123,21 +139,8 @@ void __show_regs(struct pt_regs *regs)
#ifndef CONFIG_CPU_V7M
{
- unsigned int domain = get_domain();
const char *segment;
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- /*
- * Get the domain register for the parent context. In user
- * mode, we don't save the DACR, so lets use what it should
- * be. For other modes, we place it after the pt_regs struct.
- */
- if (user_mode(regs))
- domain = DACR_UACCESS_ENABLE;
- else
- domain = *(unsigned int *)(regs + 1);
-#endif
-
if ((domain & domain_mask(DOMAIN_USER)) ==
domain_val(DOMAIN_USER, DOMAIN_NOACCESS))
segment = "none";
@@ -163,11 +166,11 @@ void __show_regs(struct pt_regs *regs)
buf[0] = '\0';
#ifdef CONFIG_CPU_CP15_MMU
{
- unsigned int transbase, dac = get_domain();
+ unsigned int transbase;
asm("mrc p15, 0, %0, c2, c0\n\t"
: "=r" (transbase));
snprintf(buf, sizeof(buf), " Table: %08x DAC: %08x",
- transbase, dac);
+ transbase, domain);
}
#endif
asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl));
diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
index 5b26e7efa9ea..c3fe769d7558 100644
--- a/arch/arm/kernel/swp_emulate.c
+++ b/arch/arm/kernel/swp_emulate.c
@@ -36,10 +36,10 @@
*/
#define __user_swpX_asm(data, addr, res, temp, B) \
__asm__ __volatile__( \
- " mov %2, %1\n" \
- "0: ldrex"B" %1, [%3]\n" \
- "1: strex"B" %0, %2, [%3]\n" \
+ "0: ldrex"B" %2, [%3]\n" \
+ "1: strex"B" %0, %1, [%3]\n" \
" cmp %0, #0\n" \
+ " moveq %1, %2\n" \
" movne %0, %4\n" \
"2:\n" \
" .section .text.fixup,\"ax\"\n" \
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index eab83b2435b8..e06fd299de08 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -564,17 +564,12 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
vcpu_sleep(vcpu);
/*
- * Disarming the background timer must be done in a
- * preemptible context, as this call may sleep.
- */
- kvm_timer_flush_hwstate(vcpu);
-
- /*
* Preparing the interrupts to be injected also
* involves poking the GIC, which must be done in a
* non-preemptible context.
*/
preempt_disable();
+ kvm_timer_flush_hwstate(vcpu);
kvm_vgic_flush_hwstate(vcpu);
local_irq_disable();
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index 974b1c606d04..3a10c9f1d0a4 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -115,7 +115,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run)
trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr,
data);
data = vcpu_data_host_to_guest(vcpu, data, len);
- *vcpu_reg(vcpu, vcpu->arch.mmio_decode.rt) = data;
+ vcpu_set_reg(vcpu, vcpu->arch.mmio_decode.rt, data);
}
return 0;
@@ -186,7 +186,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
rt = vcpu->arch.mmio_decode.rt;
if (is_write) {
- data = vcpu_data_guest_to_host(vcpu, *vcpu_reg(vcpu, rt), len);
+ data = vcpu_data_guest_to_host(vcpu, vcpu_get_reg(vcpu, rt),
+ len);
trace_kvm_mmio(KVM_TRACE_MMIO_WRITE, len, fault_ipa, data);
mmio_write_buf(data_buf, len, data);
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 6984342da13d..61d96a645ff3 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -98,6 +98,11 @@ static void kvm_flush_dcache_pud(pud_t pud)
__kvm_flush_dcache_pud(pud);
}
+static bool kvm_is_device_pfn(unsigned long pfn)
+{
+ return !pfn_valid(pfn);
+}
+
/**
* stage2_dissolve_pmd() - clear and flush huge PMD entry
* @kvm: pointer to kvm structure.
@@ -213,7 +218,7 @@ static void unmap_ptes(struct kvm *kvm, pmd_t *pmd,
kvm_tlb_flush_vmid_ipa(kvm, addr);
/* No need to invalidate the cache for device mappings */
- if ((pte_val(old_pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE)
+ if (!kvm_is_device_pfn(pte_pfn(old_pte)))
kvm_flush_dcache_pte(old_pte);
put_page(virt_to_page(pte));
@@ -305,8 +310,7 @@ static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd,
pte = pte_offset_kernel(pmd, addr);
do {
- if (!pte_none(*pte) &&
- (pte_val(*pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE)
+ if (!pte_none(*pte) && !kvm_is_device_pfn(pte_pfn(*pte)))
kvm_flush_dcache_pte(*pte);
} while (pte++, addr += PAGE_SIZE, addr != end);
}
@@ -1037,11 +1041,6 @@ static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
return kvm_vcpu_dabt_iswrite(vcpu);
}
-static bool kvm_is_device_pfn(unsigned long pfn)
-{
- return !pfn_valid(pfn);
-}
-
/**
* stage2_wp_ptes - write protect PMD range
* @pmd: pointer to pmd entry
diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c
index 0b556968a6da..a9b3b905e661 100644
--- a/arch/arm/kvm/psci.c
+++ b/arch/arm/kvm/psci.c
@@ -75,7 +75,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
unsigned long context_id;
phys_addr_t target_pc;
- cpu_id = *vcpu_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK;
+ cpu_id = vcpu_get_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK;
if (vcpu_mode_is_32bit(source_vcpu))
cpu_id &= ~((u32) 0);
@@ -94,8 +94,8 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
return PSCI_RET_INVALID_PARAMS;
}
- target_pc = *vcpu_reg(source_vcpu, 2);
- context_id = *vcpu_reg(source_vcpu, 3);
+ target_pc = vcpu_get_reg(source_vcpu, 2);
+ context_id = vcpu_get_reg(source_vcpu, 3);
kvm_reset_vcpu(vcpu);
@@ -114,7 +114,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
* NOTE: We always update r0 (or x0) because for PSCI v0.1
* the general puspose registers are undefined upon CPU_ON.
*/
- *vcpu_reg(vcpu, 0) = context_id;
+ vcpu_set_reg(vcpu, 0, context_id);
vcpu->arch.power_off = false;
smp_mb(); /* Make sure the above is visible */
@@ -134,8 +134,8 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu)
struct kvm *kvm = vcpu->kvm;
struct kvm_vcpu *tmp;
- target_affinity = *vcpu_reg(vcpu, 1);
- lowest_affinity_level = *vcpu_reg(vcpu, 2);
+ target_affinity = vcpu_get_reg(vcpu, 1);
+ lowest_affinity_level = vcpu_get_reg(vcpu, 2);
/* Determine target affinity mask */
target_affinity_mask = psci_affinity_mask(lowest_affinity_level);
@@ -209,7 +209,7 @@ int kvm_psci_version(struct kvm_vcpu *vcpu)
static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
{
int ret = 1;
- unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0);
+ unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0);
unsigned long val;
switch (psci_fn) {
@@ -273,13 +273,13 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
break;
}
- *vcpu_reg(vcpu, 0) = val;
+ vcpu_set_reg(vcpu, 0, val);
return ret;
}
static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu)
{
- unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0);
+ unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0);
unsigned long val;
switch (psci_fn) {
@@ -295,7 +295,7 @@ static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu)
break;
}
- *vcpu_reg(vcpu, 0) = val;
+ vcpu_set_reg(vcpu, 0, val);
return 1;
}
diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
index d72b90905132..588bbc288396 100644
--- a/arch/arm/lib/uaccess_with_memcpy.c
+++ b/arch/arm/lib/uaccess_with_memcpy.c
@@ -88,6 +88,7 @@ pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp)
static unsigned long noinline
__copy_to_user_memcpy(void __user *to, const void *from, unsigned long n)
{
+ unsigned long ua_flags;
int atomic;
if (unlikely(segment_eq(get_fs(), KERNEL_DS))) {
@@ -118,7 +119,9 @@ __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n)
if (tocopy > n)
tocopy = n;
+ ua_flags = uaccess_save_and_enable();
memcpy((void *)to, from, tocopy);
+ uaccess_restore(ua_flags);
to += tocopy;
from += tocopy;
n -= tocopy;
@@ -145,14 +148,21 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n)
* With frame pointer disabled, tail call optimization kicks in
* as well making this test almost invisible.
*/
- if (n < 64)
- return __copy_to_user_std(to, from, n);
- return __copy_to_user_memcpy(to, from, n);
+ if (n < 64) {
+ unsigned long ua_flags = uaccess_save_and_enable();
+ n = __copy_to_user_std(to, from, n);
+ uaccess_restore(ua_flags);
+ } else {
+ n = __copy_to_user_memcpy(to, from, n);
+ }
+ return n;
}
static unsigned long noinline
__clear_user_memset(void __user *addr, unsigned long n)
{
+ unsigned long ua_flags;
+
if (unlikely(segment_eq(get_fs(), KERNEL_DS))) {
memset((void *)addr, 0, n);
return 0;
@@ -175,7 +185,9 @@ __clear_user_memset(void __user *addr, unsigned long n)
if (tocopy > n)
tocopy = n;
+ ua_flags = uaccess_save_and_enable();
memset((void *)addr, 0, tocopy);
+ uaccess_restore(ua_flags);
addr += tocopy;
n -= tocopy;
@@ -193,9 +205,14 @@ out:
unsigned long arm_clear_user(void __user *addr, unsigned long n)
{
/* See rational for this in __copy_to_user() above. */
- if (n < 64)
- return __clear_user_std(addr, n);
- return __clear_user_memset(addr, n);
+ if (n < 64) {
+ unsigned long ua_flags = uaccess_save_and_enable();
+ n = __clear_user_std(addr, n);
+ uaccess_restore(ua_flags);
+ } else {
+ n = __clear_user_memset(addr, n);
+ }
+ return n;
}
#if 0
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 92673006e55c..28656c2b54a0 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -4,7 +4,6 @@ menuconfig ARCH_AT91
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLK_AT91
select PINCTRL
- select PINCTRL_AT91
select SOC_BUS
if ARCH_AT91
@@ -17,6 +16,7 @@ config SOC_SAMA5D2
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
select HAVE_AT91_GENERATED_CLK
+ select PINCTRL_AT91PIO4
help
Select this if ou are using one of Atmel's SAMA5D2 family SoC.
@@ -27,6 +27,7 @@ config SOC_SAMA5D3
select HAVE_AT91_UTMI
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
+ select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
@@ -40,6 +41,7 @@ config SOC_SAMA5D4
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
+ select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D4 family SoC.
@@ -50,6 +52,7 @@ config SOC_AT91RM9200
select CPU_ARM920T
select HAVE_AT91_USB_CLK
select MIGHT_HAVE_PCI
+ select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help
@@ -65,6 +68,7 @@ config SOC_AT91SAM9
select HAVE_AT91_UTMI
select HAVE_FB_ATMEL
select MEMORY
+ select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 80e277cfcc8b..23726fb31741 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -41,8 +41,10 @@
* implementation should be moved down into the pinctrl driver and get
* called as part of the generic suspend/resume path.
*/
+#ifdef CONFIG_PINCTRL_AT91
extern void at91_pinctrl_gpio_suspend(void);
extern void at91_pinctrl_gpio_resume(void);
+#endif
static struct {
unsigned long uhp_udp_mask;
@@ -151,8 +153,9 @@ static void at91_pm_suspend(suspend_state_t state)
static int at91_pm_enter(suspend_state_t state)
{
+#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_suspend();
-
+#endif
switch (state) {
/*
* Suspend-to-RAM is like STANDBY plus slow clock mode, so
@@ -192,7 +195,9 @@ static int at91_pm_enter(suspend_state_t state)
error:
target_state = PM_SUSPEND_ON;
+#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_resume();
+#endif
return 0;
}
diff --git a/arch/arm/mach-dove/include/mach/entry-macro.S b/arch/arm/mach-dove/include/mach/entry-macro.S
index 72d622baaad3..df1d44bdc375 100644
--- a/arch/arm/mach-dove/include/mach/entry-macro.S
+++ b/arch/arm/mach-dove/include/mach/entry-macro.S
@@ -18,13 +18,13 @@
@ check low interrupts
ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
ldr \tmp, [\base, #IRQ_MASK_LOW_OFF]
- mov \irqnr, #31
+ mov \irqnr, #32
ands \irqstat, \irqstat, \tmp
@ if no low interrupts set, check high interrupts
ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF]
- moveq \irqnr, #63
+ moveq \irqnr, #64
andeqs \irqstat, \irqstat, \tmp
@ find first active interrupt source
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index de68938ee6aa..c21e41dad19c 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -748,8 +748,12 @@ static void exynos5_powerdown_conf(enum sys_powerdown mode)
void exynos_sys_powerdown_conf(enum sys_powerdown mode)
{
unsigned int i;
+ const struct exynos_pmu_data *pmu_data;
+
+ if (!pmu_context)
+ return;
- const struct exynos_pmu_data *pmu_data = pmu_context->pmu_data;
+ pmu_data = pmu_context->pmu_data;
if (pmu_data->powerdown_conf)
pmu_data->powerdown_conf(mode);
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 8e7976a4c3e7..cfc696b972f3 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -177,6 +177,7 @@ static struct irq_chip imx_gpc_chip = {
.irq_unmask = imx_gpc_irq_unmask,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_wake = imx_gpc_irq_set_wake,
+ .irq_set_type = irq_chip_set_type_parent,
#ifdef CONFIG_SMP
.irq_set_affinity = irq_chip_set_affinity_parent,
#endif
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index b02439019963..7a0c13bf4269 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -143,7 +143,7 @@ static inline void __indirect_writesl(volatile void __iomem *bus_addr,
writel(*vaddr++, bus_addr);
}
-static inline unsigned char __indirect_readb(const volatile void __iomem *p)
+static inline u8 __indirect_readb(const volatile void __iomem *p)
{
u32 addr = (u32)p;
u32 n, byte_enables, data;
@@ -166,7 +166,7 @@ static inline void __indirect_readsb(const volatile void __iomem *bus_addr,
*vaddr++ = readb(bus_addr);
}
-static inline unsigned short __indirect_readw(const volatile void __iomem *p)
+static inline u16 __indirect_readw(const volatile void __iomem *p)
{
u32 addr = (u32)p;
u32 n, byte_enables, data;
@@ -189,7 +189,7 @@ static inline void __indirect_readsw(const volatile void __iomem *bus_addr,
*vaddr++ = readw(bus_addr);
}
-static inline unsigned long __indirect_readl(const volatile void __iomem *p)
+static inline u32 __indirect_readl(const volatile void __iomem *p)
{
u32 addr = (__force u32)p;
u32 data;
@@ -350,7 +350,7 @@ static inline void insl(u32 io_addr, void *p, u32 count)
((unsigned long)p <= (PIO_MASK + PIO_OFFSET)))
#define ioread8(p) ioread8(p)
-static inline unsigned int ioread8(const void __iomem *addr)
+static inline u8 ioread8(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))
@@ -378,7 +378,7 @@ static inline void ioread8_rep(const void __iomem *addr, void *vaddr, u32 count)
}
#define ioread16(p) ioread16(p)
-static inline unsigned int ioread16(const void __iomem *addr)
+static inline u16 ioread16(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))
@@ -407,7 +407,7 @@ static inline void ioread16_rep(const void __iomem *addr, void *vaddr,
}
#define ioread32(p) ioread32(p)
-static inline unsigned int ioread32(const void __iomem *addr)
+static inline u32 ioread32(const void __iomem *addr)
{
unsigned long port = (unsigned long __force)addr;
if (__is_io_address(port))
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 5076d3f334d2..4b4371db5799 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -121,6 +121,7 @@ config ARCH_OMAP2PLUS_TYPICAL
select NEON if CPU_V7
select PM
select REGULATOR
+ select REGULATOR_FIXED_VOLTAGE
select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
select VFP
@@ -201,7 +202,6 @@ config MACH_OMAP3_PANDORA
depends on ARCH_OMAP3
default y
select OMAP_PACKAGE_CBB
- select REGULATOR_FIXED_VOLTAGE if REGULATOR
config MACH_NOKIA_N810
bool
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 5305ec7341ec..79e1f876d1c9 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -143,9 +143,9 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
* Ensure that CPU power state is set to ON to avoid CPU
* powerdomain transition on wfi
*/
- clkdm_wakeup(cpu1_clkdm);
- omap_set_pwrdm_state(cpu1_pwrdm, PWRDM_POWER_ON);
- clkdm_allow_idle(cpu1_clkdm);
+ clkdm_wakeup_nolock(cpu1_clkdm);
+ pwrdm_set_next_pwrst(cpu1_pwrdm, PWRDM_POWER_ON);
+ clkdm_allow_idle_nolock(cpu1_clkdm);
if (IS_PM44XX_ERRATUM(PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD)) {
while (gic_dist_disabled()) {
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index cc8a987149e2..48495ad82aba 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -890,6 +890,36 @@ static int _init_opt_clks(struct omap_hwmod *oh)
return ret;
}
+static void _enable_optional_clocks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_opt_clk *oc;
+ int i;
+
+ pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name);
+
+ for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+ if (oc->_clk) {
+ pr_debug("omap_hwmod: enable %s:%s\n", oc->role,
+ __clk_get_name(oc->_clk));
+ clk_enable(oc->_clk);
+ }
+}
+
+static void _disable_optional_clocks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_opt_clk *oc;
+ int i;
+
+ pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name);
+
+ for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
+ if (oc->_clk) {
+ pr_debug("omap_hwmod: disable %s:%s\n", oc->role,
+ __clk_get_name(oc->_clk));
+ clk_disable(oc->_clk);
+ }
+}
+
/**
* _enable_clocks - enable hwmod main clock and interface clocks
* @oh: struct omap_hwmod *
@@ -917,6 +947,9 @@ static int _enable_clocks(struct omap_hwmod *oh)
clk_enable(os->_clk);
}
+ if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
+ _enable_optional_clocks(oh);
+
/* The opt clocks are controlled by the device driver. */
return 0;
@@ -948,41 +981,14 @@ static int _disable_clocks(struct omap_hwmod *oh)
clk_disable(os->_clk);
}
+ if (oh->flags & HWMOD_OPT_CLKS_NEEDED)
+ _disable_optional_clocks(oh);
+
/* The opt clocks are controlled by the device driver. */
return 0;
}
-static void _enable_optional_clocks(struct omap_hwmod *oh)
-{
- struct omap_hwmod_opt_clk *oc;
- int i;
-
- pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name);
-
- for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
- if (oc->_clk) {
- pr_debug("omap_hwmod: enable %s:%s\n", oc->role,
- __clk_get_name(oc->_clk));
- clk_enable(oc->_clk);
- }
-}
-
-static void _disable_optional_clocks(struct omap_hwmod *oh)
-{
- struct omap_hwmod_opt_clk *oc;
- int i;
-
- pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name);
-
- for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++)
- if (oc->_clk) {
- pr_debug("omap_hwmod: disable %s:%s\n", oc->role,
- __clk_get_name(oc->_clk));
- clk_disable(oc->_clk);
- }
-}
-
/**
* _omap4_enable_module - enable CLKCTRL modulemode on OMAP4
* @oh: struct omap_hwmod *
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index ca6df1a73475..76bce11c85a4 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -523,6 +523,8 @@ struct omap_hwmod_omap4_prcm {
* HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up
* events by calling _reconfigure_io_chain() when a device is enabled
* or idled.
+ * HWMOD_OPT_CLKS_NEEDED: The optional clocks are needed for the module to
+ * operate and they need to be handled at the same time as the main_clk.
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
@@ -538,6 +540,7 @@ struct omap_hwmod_omap4_prcm {
#define HWMOD_FORCE_MSTANDBY (1 << 11)
#define HWMOD_SWSUP_SIDLE_ACT (1 << 12)
#define HWMOD_RECONFIG_IO_CHAIN (1 << 13)
+#define HWMOD_OPT_CLKS_NEEDED (1 << 14)
/*
* omap_hwmod._int_flags definitions
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 51d1ecb384bd..ee4e04434a94 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1298,6 +1298,44 @@ static struct omap_hwmod dra7xx_mcspi4_hwmod = {
};
/*
+ * 'mcasp' class
+ *
+ */
+static struct omap_hwmod_class_sysconfig dra7xx_mcasp_sysc = {
+ .sysc_offs = 0x0004,
+ .sysc_flags = SYSC_HAS_SIDLEMODE,
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .sysc_fields = &omap_hwmod_sysc_type3,
+};
+
+static struct omap_hwmod_class dra7xx_mcasp_hwmod_class = {
+ .name = "mcasp",
+ .sysc = &dra7xx_mcasp_sysc,
+};
+
+/* mcasp3 */
+static struct omap_hwmod_opt_clk mcasp3_opt_clks[] = {
+ { .role = "ahclkx", .clk = "mcasp3_ahclkx_mux" },
+};
+
+static struct omap_hwmod dra7xx_mcasp3_hwmod = {
+ .name = "mcasp3",
+ .class = &dra7xx_mcasp_hwmod_class,
+ .clkdm_name = "l4per2_clkdm",
+ .main_clk = "mcasp3_aux_gfclk_mux",
+ .flags = HWMOD_OPT_CLKS_NEEDED,
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP3_CLKCTRL_OFFSET,
+ .context_offs = DRA7XX_RM_L4PER2_MCASP3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
+ },
+ },
+ .opt_clks = mcasp3_opt_clks,
+ .opt_clks_cnt = ARRAY_SIZE(mcasp3_opt_clks),
+};
+
+/*
* 'mmc' class
*
*/
@@ -2566,6 +2604,22 @@ static struct omap_hwmod_ocp_if dra7xx_l3_main_1__hdmi = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
+/* l4_per2 -> mcasp3 */
+static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp3 = {
+ .master = &dra7xx_l4_per2_hwmod,
+ .slave = &dra7xx_mcasp3_hwmod,
+ .clk = "l4_root_clk_div",
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* l3_main_1 -> mcasp3 */
+static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp3 = {
+ .master = &dra7xx_l3_main_1_hwmod,
+ .slave = &dra7xx_mcasp3_hwmod,
+ .clk = "l3_iclk_div",
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
/* l4_per1 -> elm */
static struct omap_hwmod_ocp_if dra7xx_l4_per1__elm = {
.master = &dra7xx_l4_per1_hwmod,
@@ -3308,6 +3362,8 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
&dra7xx_l4_wkup__dcan1,
&dra7xx_l4_per2__dcan2,
&dra7xx_l4_per2__cpgmac0,
+ &dra7xx_l4_per2__mcasp3,
+ &dra7xx_l3_main_1__mcasp3,
&dra7xx_gmac__mdio,
&dra7xx_l4_cfg__dma_system,
&dra7xx_l3_main_1__dss,
diff --git a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
index b1288f56d509..6256052893ec 100644
--- a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
@@ -144,6 +144,7 @@ static struct omap_hwmod dm81xx_l4_ls_hwmod = {
.name = "l4_ls",
.clkdm_name = "alwon_l3s_clkdm",
.class = &l4_hwmod_class,
+ .flags = HWMOD_NO_IDLEST,
};
/*
@@ -155,6 +156,7 @@ static struct omap_hwmod dm81xx_l4_hs_hwmod = {
.name = "l4_hs",
.clkdm_name = "alwon_l3_med_clkdm",
.class = &l4_hwmod_class,
+ .flags = HWMOD_NO_IDLEST,
};
/* L3 slow -> L4 ls peripheral interface running at 125MHz */
@@ -850,6 +852,7 @@ static struct omap_hwmod dm816x_emac0_hwmod = {
.name = "emac0",
.clkdm_name = "alwon_ethernet_clkdm",
.class = &dm816x_emac_hwmod_class,
+ .flags = HWMOD_NO_IDLEST,
};
static struct omap_hwmod_ocp_if dm81xx_l4_hs__emac0 = {
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 1dfe34654c43..58144779dec4 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -24,9 +24,6 @@
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/wkup_m3.h>
-#include <asm/siginfo.h>
-#include <asm/signal.h>
-
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
@@ -385,29 +382,6 @@ static void __init omap3_pandora_legacy_init(void)
}
#endif /* CONFIG_ARCH_OMAP3 */
-#ifdef CONFIG_SOC_TI81XX
-static int fault_fixed_up;
-
-static int t410_abort_handler(unsigned long addr, unsigned int fsr,
- struct pt_regs *regs)
-{
- if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) {
- pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
- addr, fsr);
- fault_fixed_up = 1;
- return 0;
- }
-
- return 1;
-}
-
-static void __init t410_abort_init(void)
-{
- hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR,
- "imprecise external abort");
-}
-#endif
-
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
static struct iommu_platform_data omap4_iommu_pdata = {
.reset_name = "mmu_cache",
@@ -536,9 +510,6 @@ static struct pdata_init pdata_quirks[] __initdata = {
{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
#endif
-#ifdef CONFIG_SOC_TI81XX
- { "hp,t410", t410_abort_init, },
-#endif
#ifdef CONFIG_SOC_OMAP5
{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
#endif
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 87b98bf92366..2dbd3785ee6f 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -301,11 +301,11 @@ static void omap3_pm_idle(void)
if (omap_irq_pending())
return;
- trace_cpu_idle(1, smp_processor_id());
+ trace_cpu_idle_rcuidle(1, smp_processor_id());
omap_sram_idle();
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+ trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
}
#ifdef CONFIG_SUSPEND
diff --git a/arch/arm/mach-orion5x/include/mach/entry-macro.S b/arch/arm/mach-orion5x/include/mach/entry-macro.S
index 79eb502a1e64..73919a36b577 100644
--- a/arch/arm/mach-orion5x/include/mach/entry-macro.S
+++ b/arch/arm/mach-orion5x/include/mach/entry-macro.S
@@ -21,5 +21,5 @@
@ find cause bits that are unmasked
ands \irqstat, \irqstat, \tmp @ clear Z flag if any
clzne \irqnr, \irqstat @ calc irqnr
- rsbne \irqnr, \irqnr, #31
+ rsbne \irqnr, \irqnr, #32
.endm
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 9a9c15bfcd34..7c0d5618be5e 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -889,6 +889,7 @@ static void __init e680_init(void)
pxa_set_keypad_info(&e680_keypad_platform_data);
+ pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e680_devices));
}
@@ -956,6 +957,7 @@ static void __init a1200_init(void)
pxa_set_keypad_info(&a1200_keypad_platform_data);
+ pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a1200_devices));
}
@@ -1148,6 +1150,7 @@ static void __init a910_init(void)
platform_device_register(&a910_camera);
}
+ pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(a910_devices));
}
@@ -1215,6 +1218,7 @@ static void __init e6_init(void)
pxa_set_keypad_info(&e6_keypad_platform_data);
+ pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e6_devices));
}
@@ -1256,6 +1260,7 @@ static void __init e2_init(void)
pxa_set_keypad_info(&e2_keypad_platform_data);
+ pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
platform_add_devices(ARRAY_AND_SIZE(e2_devices));
}
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 13eba2b26e0a..8fbfb10047ec 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -344,7 +344,7 @@ void __init palm27x_pwm_init(int bl, int lcd)
{
palm_bl_power = bl;
palm_lcd_power = lcd;
- pwm_add_lookup(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
+ pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
platform_device_register(&palm27x_backlight);
}
#endif
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index aebf6de62468..0b5c3876720c 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -169,7 +169,7 @@ static inline void palmtc_keys_init(void) {}
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct pwm_lookup palmtc_pwm_lookup[] = {
PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
- PWM_PERIOD_NORMAL),
+ PWM_POLARITY_NORMAL),
};
static struct platform_pwm_backlight_data palmtc_backlight_data = {
diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
index a19460e6e7b0..b355fca6cc2e 100644
--- a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
+++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
@@ -20,7 +20,7 @@
#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>
-static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = {
+static struct cpufreq_frequency_table s3c2440_plls_12[] = {
{ .frequency = 75000000, .driver_data = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */
{ .frequency = 80000000, .driver_data = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */
{ .frequency = 90000000, .driver_data = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */
diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
index 1191b2905625..be9a248b5ce9 100644
--- a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
+++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
@@ -20,7 +20,7 @@
#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>
-static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
+static struct cpufreq_frequency_table s3c2440_plls_169344[] = {
{ .frequency = 78019200, .driver_data = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */
{ .frequency = 84067200, .driver_data = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */
{ .frequency = 90115200, .driver_data = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */
diff --git a/arch/arm/mach-shmobile/setup-r8a7793.c b/arch/arm/mach-shmobile/setup-r8a7793.c
index 1d2825cb7a65..5fce87f7f254 100644
--- a/arch/arm/mach-shmobile/setup-r8a7793.c
+++ b/arch/arm/mach-shmobile/setup-r8a7793.c
@@ -19,7 +19,7 @@
#include "common.h"
#include "rcar-gen2.h"
-static const char *r8a7793_boards_compat_dt[] __initconst = {
+static const char * const r8a7793_boards_compat_dt[] __initconst = {
"renesas,r8a7793",
NULL,
};
diff --git a/arch/arm/mach-zx/Kconfig b/arch/arm/mach-zx/Kconfig
index 7fdc5bf24f9b..446334a25cf5 100644
--- a/arch/arm/mach-zx/Kconfig
+++ b/arch/arm/mach-zx/Kconfig
@@ -13,7 +13,7 @@ config SOC_ZX296702
select ARM_GLOBAL_TIMER
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
- select PM_GENERIC_DOMAINS
+ select PM_GENERIC_DOMAINS if PM
help
Support for ZTE ZX296702 SoC which is a dual core CortexA9MP
endif
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 845769e41332..c8c8b9ed02e0 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -165,13 +165,28 @@ static void flush_context(unsigned int cpu)
__flush_icache_all();
}
-static int is_reserved_asid(u64 asid)
+static bool check_update_reserved_asid(u64 asid, u64 newasid)
{
int cpu;
- for_each_possible_cpu(cpu)
- if (per_cpu(reserved_asids, cpu) == asid)
- return 1;
- return 0;
+ bool hit = false;
+
+ /*
+ * Iterate over the set of reserved ASIDs looking for a match.
+ * If we find one, then we can update our mm to use newasid
+ * (i.e. the same ASID in the current generation) but we can't
+ * exit the loop early, since we need to ensure that all copies
+ * of the old ASID are updated to reflect the mm. Failure to do
+ * so could result in us missing the reserved ASID in a future
+ * generation.
+ */
+ for_each_possible_cpu(cpu) {
+ if (per_cpu(reserved_asids, cpu) == asid) {
+ hit = true;
+ per_cpu(reserved_asids, cpu) = newasid;
+ }
+ }
+
+ return hit;
}
static u64 new_context(struct mm_struct *mm, unsigned int cpu)
@@ -181,12 +196,14 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
u64 generation = atomic64_read(&asid_generation);
if (asid != 0) {
+ u64 newasid = generation | (asid & ~ASID_MASK);
+
/*
* If our current ASID was active during a rollover, we
* can continue to use it and this was just a false alarm.
*/
- if (is_reserved_asid(asid))
- return generation | (asid & ~ASID_MASK);
+ if (check_update_reserved_asid(asid, newasid))
+ return newasid;
/*
* We had a valid ASID in a previous life, so try to re-use
@@ -194,7 +211,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
*/
asid &= ~ASID_MASK;
if (!__test_and_set_bit(asid, asid_map))
- goto bump_gen;
+ return newasid;
}
/*
@@ -216,11 +233,8 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
__set_bit(asid, asid_map);
cur_idx = asid;
-
-bump_gen:
- asid |= generation;
cpumask_clear(mm_cpumask(mm));
- return asid;
+ return asid | generation;
}
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e62400e5fb99..534a60ae282e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1521,7 +1521,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
return -ENOMEM;
for (count = 0, s = sg; count < (size >> PAGE_SHIFT); s = sg_next(s)) {
- phys_addr_t phys = sg_phys(s) & PAGE_MASK;
+ phys_addr_t phys = page_to_phys(sg_page(s));
unsigned int len = PAGE_ALIGN(s->offset + s->length);
if (!is_coherent &&
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 8a63b4cdc0f2..7f8cd1b3557f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -22,6 +22,7 @@
#include <linux/memblock.h>
#include <linux/dma-contiguous.h>
#include <linux/sizes.h>
+#include <linux/stop_machine.h>
#include <asm/cp15.h>
#include <asm/mach-types.h>
@@ -627,12 +628,10 @@ static struct section_perm ro_perms[] = {
* safe to be called with preemption disabled, as under stop_machine().
*/
static inline void section_update(unsigned long addr, pmdval_t mask,
- pmdval_t prot)
+ pmdval_t prot, struct mm_struct *mm)
{
- struct mm_struct *mm;
pmd_t *pmd;
- mm = current->active_mm;
pmd = pmd_offset(pud_offset(pgd_offset(mm, addr), addr), addr);
#ifdef CONFIG_ARM_LPAE
@@ -656,49 +655,82 @@ static inline bool arch_has_strict_perms(void)
return !!(get_cr() & CR_XP);
}
-#define set_section_perms(perms, field) { \
- size_t i; \
- unsigned long addr; \
- \
- if (!arch_has_strict_perms()) \
- return; \
- \
- for (i = 0; i < ARRAY_SIZE(perms); i++) { \
- if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) || \
- !IS_ALIGNED(perms[i].end, SECTION_SIZE)) { \
- pr_err("BUG: section %lx-%lx not aligned to %lx\n", \
- perms[i].start, perms[i].end, \
- SECTION_SIZE); \
- continue; \
- } \
- \
- for (addr = perms[i].start; \
- addr < perms[i].end; \
- addr += SECTION_SIZE) \
- section_update(addr, perms[i].mask, \
- perms[i].field); \
- } \
+void set_section_perms(struct section_perm *perms, int n, bool set,
+ struct mm_struct *mm)
+{
+ size_t i;
+ unsigned long addr;
+
+ if (!arch_has_strict_perms())
+ return;
+
+ for (i = 0; i < n; i++) {
+ if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) ||
+ !IS_ALIGNED(perms[i].end, SECTION_SIZE)) {
+ pr_err("BUG: section %lx-%lx not aligned to %lx\n",
+ perms[i].start, perms[i].end,
+ SECTION_SIZE);
+ continue;
+ }
+
+ for (addr = perms[i].start;
+ addr < perms[i].end;
+ addr += SECTION_SIZE)
+ section_update(addr, perms[i].mask,
+ set ? perms[i].prot : perms[i].clear, mm);
+ }
+
}
-static inline void fix_kernmem_perms(void)
+static void update_sections_early(struct section_perm perms[], int n)
{
- set_section_perms(nx_perms, prot);
+ struct task_struct *t, *s;
+
+ read_lock(&tasklist_lock);
+ for_each_process(t) {
+ if (t->flags & PF_KTHREAD)
+ continue;
+ for_each_thread(t, s)
+ set_section_perms(perms, n, true, s->mm);
+ }
+ read_unlock(&tasklist_lock);
+ set_section_perms(perms, n, true, current->active_mm);
+ set_section_perms(perms, n, true, &init_mm);
+}
+
+int __fix_kernmem_perms(void *unused)
+{
+ update_sections_early(nx_perms, ARRAY_SIZE(nx_perms));
+ return 0;
+}
+
+void fix_kernmem_perms(void)
+{
+ stop_machine(__fix_kernmem_perms, NULL, NULL);
}
#ifdef CONFIG_DEBUG_RODATA
+int __mark_rodata_ro(void *unused)
+{
+ update_sections_early(ro_perms, ARRAY_SIZE(ro_perms));
+ return 0;
+}
+
void mark_rodata_ro(void)
{
- set_section_perms(ro_perms, prot);
+ stop_machine(__mark_rodata_ro, NULL, NULL);
}
void set_kernel_text_rw(void)
{
- set_section_perms(ro_perms, clear);
+ set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false,
+ current->active_mm);
}
void set_kernel_text_ro(void)
{
- set_section_perms(ro_perms, prot);
+ set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true,
+ current->active_mm);
}
#endif /* CONFIG_DEBUG_RODATA */
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index de2b246fed38..8e1ea433c3f1 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -95,7 +95,7 @@ ENDPROC(cpu_v7_dcache_clean_area)
.equ cpu_v7_suspend_size, 4 * 9
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_v7_do_suspend)
- stmfd sp!, {r4 - r10, lr}
+ stmfd sp!, {r4 - r11, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID
stmia r0!, {r4 - r5}
@@ -112,7 +112,7 @@ ENTRY(cpu_v7_do_suspend)
mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register
mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control
stmia r0, {r5 - r11}
- ldmfd sp!, {r4 - r10, pc}
+ ldmfd sp!, {r4 - r11, pc}
ENDPROC(cpu_v7_do_suspend)
ENTRY(cpu_v7_do_resume)
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 2f4b14cfddb4..591f9db3bf40 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -1061,7 +1061,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
}
build_epilogue(&ctx);
- flush_icache_range((u32)ctx.target, (u32)(ctx.target + ctx.idx));
+ flush_icache_range((u32)header, (u32)(ctx.target + ctx.idx));
#if __LINUX_ARM_ARCH__ < 7
if (ctx.imm_count)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9ac16a482ff1..871f21783866 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -49,7 +49,7 @@ config ARM64
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_BITREVERSE
select HAVE_ARCH_JUMP_LABEL
- select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP
+ select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
select HAVE_ARCH_KGDB
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
@@ -316,6 +316,27 @@ config ARM64_ERRATUM_832075
If unsure, say Y.
+config ARM64_ERRATUM_834220
+ bool "Cortex-A57: 834220: Stage 2 translation fault might be incorrectly reported in presence of a Stage 1 fault"
+ depends on KVM
+ default y
+ help
+ This option adds an alternative code sequence to work around ARM
+ erratum 834220 on Cortex-A57 parts up to r1p2.
+
+ Affected Cortex-A57 parts might report a Stage 2 translation
+ fault as the result of a Stage 1 fault for load crossing a
+ page boundary when there is a permission or device memory
+ alignment fault at Stage 1 and a translation fault at Stage 2.
+
+ The workaround is to verify that the Stage 1 translation
+ doesn't generate a fault before handling the Stage 2 fault.
+ Please note that this does not necessarily enable the workaround,
+ as it depends on the alternative framework, which will only patch
+ the kernel if an affected CPU is detected.
+
+ If unsure, say Y.
+
config ARM64_ERRATUM_845719
bool "Cortex-A53: 845719: a load might read incorrect data"
depends on COMPAT
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index e81cd48d6245..925552e7b4f3 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -269,6 +269,7 @@
clock-frequency = <0>; /* Updated by bootloader */
voltage-ranges = <1800 1800 3300 3300>;
sdhci,auto-cmd12;
+ little-endian;
bus-width = <4>;
};
@@ -277,6 +278,7 @@
reg = <0x0 0x2300000 0x0 0x10000>;
interrupts = <0 36 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -287,6 +289,7 @@
reg = <0x0 0x2310000 0x0 0x10000>;
interrupts = <0 36 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -297,6 +300,7 @@
reg = <0x0 0x2320000 0x0 0x10000>;
interrupts = <0 37 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
@@ -307,6 +311,7 @@
reg = <0x0 0x2330000 0x0 0x10000>;
interrupts = <0 37 0x4>; /* Level high type */
gpio-controller;
+ little-endian;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/arch/arm64/crypto/aes-ce-cipher.c b/arch/arm64/crypto/aes-ce-cipher.c
index ce47792a983d..f7bd9bf0bbb3 100644
--- a/arch/arm64/crypto/aes-ce-cipher.c
+++ b/arch/arm64/crypto/aes-ce-cipher.c
@@ -237,7 +237,7 @@ EXPORT_SYMBOL(ce_aes_setkey);
static struct crypto_alg aes_alg = {
.cra_name = "aes",
.cra_driver_name = "aes-ce",
- .cra_priority = 300,
+ .cra_priority = 250,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index 030cdcb46c6b..2731d3b25ed2 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -77,6 +77,7 @@
#ifndef __ASSEMBLY__
#include <linux/stringify.h>
+#include <asm/barrier.h>
/*
* Low-level accessors
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 624f9679f4b0..9622eb48f894 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -64,27 +64,31 @@ do { \
#define smp_load_acquire(p) \
({ \
- typeof(*p) ___p1; \
+ union { typeof(*p) __val; char __c[1]; } __u; \
compiletime_assert_atomic_type(*p); \
switch (sizeof(*p)) { \
case 1: \
asm volatile ("ldarb %w0, %1" \
- : "=r" (___p1) : "Q" (*p) : "memory"); \
+ : "=r" (*(__u8 *)__u.__c) \
+ : "Q" (*p) : "memory"); \
break; \
case 2: \
asm volatile ("ldarh %w0, %1" \
- : "=r" (___p1) : "Q" (*p) : "memory"); \
+ : "=r" (*(__u16 *)__u.__c) \
+ : "Q" (*p) : "memory"); \
break; \
case 4: \
asm volatile ("ldar %w0, %1" \
- : "=r" (___p1) : "Q" (*p) : "memory"); \
+ : "=r" (*(__u32 *)__u.__c) \
+ : "Q" (*p) : "memory"); \
break; \
case 8: \
asm volatile ("ldar %0, %1" \
- : "=r" (___p1) : "Q" (*p) : "memory"); \
+ : "=r" (*(__u64 *)__u.__c) \
+ : "Q" (*p) : "memory"); \
break; \
} \
- ___p1; \
+ __u.__val; \
})
#define read_barrier_depends() do { } while(0)
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
index 7fbed6919b54..eb8432bb82b8 100644
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -23,7 +23,6 @@
*/
#include <linux/types.h>
#include <linux/sched.h>
-#include <linux/ptrace.h>
#define COMPAT_USER_HZ 100
#ifdef __AARCH64EB__
@@ -234,7 +233,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
return (u32)(unsigned long)uptr;
}
-#define compat_user_stack_pointer() (user_stack_pointer(current_pt_regs()))
+#define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current)))
static inline void __user *arch_compat_alloc_user_space(long len)
{
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 11d5bb0fdd54..8f271b83f910 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -29,8 +29,9 @@
#define ARM64_HAS_PAN 4
#define ARM64_HAS_LSE_ATOMICS 5
#define ARM64_WORKAROUND_CAVIUM_23154 6
+#define ARM64_WORKAROUND_834220 7
-#define ARM64_NCAPS 7
+#define ARM64_NCAPS 8
#ifndef __ASSEMBLY__
@@ -46,8 +47,12 @@ enum ftr_type {
#define FTR_STRICT true /* SANITY check strict matching required */
#define FTR_NONSTRICT false /* SANITY check ignored */
+#define FTR_SIGNED true /* Value should be treated as signed */
+#define FTR_UNSIGNED false /* Value should be treated as unsigned */
+
struct arm64_ftr_bits {
- bool strict; /* CPU Sanity check: strict matching required ? */
+ bool sign; /* Value is signed ? */
+ bool strict; /* CPU Sanity check: strict matching required ? */
enum ftr_type type;
u8 shift;
u8 width;
@@ -123,6 +128,18 @@ cpuid_feature_extract_field(u64 features, int field)
return cpuid_feature_extract_field_width(features, field, 4);
}
+static inline unsigned int __attribute_const__
+cpuid_feature_extract_unsigned_field_width(u64 features, int field, int width)
+{
+ return (u64)(features << (64 - width - field)) >> (64 - width);
+}
+
+static inline unsigned int __attribute_const__
+cpuid_feature_extract_unsigned_field(u64 features, int field)
+{
+ return cpuid_feature_extract_unsigned_field_width(features, field, 4);
+}
+
static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp)
{
return (u64)GENMASK(ftrp->shift + ftrp->width - 1, ftrp->shift);
@@ -130,7 +147,9 @@ static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp)
static inline s64 arm64_ftr_value(struct arm64_ftr_bits *ftrp, u64 val)
{
- return cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width);
+ return ftrp->sign ?
+ cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width) :
+ cpuid_feature_extract_unsigned_field_width(val, ftrp->shift, ftrp->width);
}
static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0)
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 54d0ead41afc..61e08f360e31 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -18,7 +18,6 @@
#ifdef __KERNEL__
-#include <linux/acpi.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
@@ -26,22 +25,16 @@
#include <asm/xen/hypervisor.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0)
-extern struct dma_map_ops *dma_ops;
extern struct dma_map_ops dummy_dma_ops;
static inline struct dma_map_ops *__generic_dma_ops(struct device *dev)
{
- if (unlikely(!dev))
- return dma_ops;
- else if (dev->archdata.dma_ops)
+ if (dev && dev->archdata.dma_ops)
return dev->archdata.dma_ops;
- else if (acpi_disabled)
- return dma_ops;
/*
- * When ACPI is enabled, if arch_set_dma_ops is not called,
- * we will disable device DMA capability by setting it
- * to dummy_dma_ops.
+ * We expect no ISA devices, and all other DMA masters are expected to
+ * have someone call arch_setup_dma_ops at device creation time.
*/
return &dummy_dma_ops;
}
diff --git a/arch/arm64/include/asm/hw_breakpoint.h b/arch/arm64/include/asm/hw_breakpoint.h
index e54415ec6935..9732908bfc8a 100644
--- a/arch/arm64/include/asm/hw_breakpoint.h
+++ b/arch/arm64/include/asm/hw_breakpoint.h
@@ -138,16 +138,18 @@ extern struct pmu perf_ops_bp;
/* Determine number of BRP registers available. */
static inline int get_num_brps(void)
{
+ u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1);
return 1 +
- cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
+ cpuid_feature_extract_unsigned_field(dfr0,
ID_AA64DFR0_BRPS_SHIFT);
}
/* Determine number of WRP registers available. */
static inline int get_num_wrps(void)
{
+ u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1);
return 1 +
- cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
+ cpuid_feature_extract_unsigned_field(dfr0,
ID_AA64DFR0_WRPS_SHIFT);
}
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index 23eb450b820b..8e8d30684392 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -7,4 +7,9 @@ struct pt_regs;
extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
+static inline int nr_legacy_irqs(void)
+{
+ return 0;
+}
+
#endif
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 17e92f05b1fe..25a40213bd9b 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -99,12 +99,22 @@ static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu)
*vcpu_cpsr(vcpu) |= COMPAT_PSR_T_BIT;
}
-static inline unsigned long *vcpu_reg(const struct kvm_vcpu *vcpu, u8 reg_num)
+/*
+ * vcpu_get_reg and vcpu_set_reg should always be passed a register number
+ * coming from a read of ESR_EL2. Otherwise, it may give the wrong result on
+ * AArch32 with banked registers.
+ */
+static inline unsigned long vcpu_get_reg(const struct kvm_vcpu *vcpu,
+ u8 reg_num)
{
- if (vcpu_mode_is_32bit(vcpu))
- return vcpu_reg32(vcpu, reg_num);
+ return (reg_num == 31) ? 0 : vcpu_gp_regs(vcpu)->regs.regs[reg_num];
+}
- return (unsigned long *)&vcpu_gp_regs(vcpu)->regs.regs[reg_num];
+static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,
+ unsigned long val)
+{
+ if (reg_num != 31)
+ vcpu_gp_regs(vcpu)->regs.regs[reg_num] = val;
}
/* Get vcpu SPSR for current mode */
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index c0e87898ba96..24165784b803 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -101,7 +101,7 @@ static inline void cpu_set_default_tcr_t0sz(void)
#define destroy_context(mm) do { } while(0)
void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
-#define init_new_context(tsk,mm) ({ atomic64_set(&mm->context.id, 0); 0; })
+#define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.id, 0); 0; })
/*
* This is called when "tsk" is about to enter lazy TLB mode.
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 9819a9426b69..63f52b55defe 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -81,6 +81,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
#define PAGE_KERNEL __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE)
#define PAGE_KERNEL_RO __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_RDONLY)
+#define PAGE_KERNEL_ROX __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_RDONLY)
#define PAGE_KERNEL_EXEC __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE)
#define PAGE_KERNEL_EXEC_CONT __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_CONT)
@@ -275,10 +276,14 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
* hardware updates of the pte (ptep_set_access_flags safely changes
* valid ptes without going through an invalid entry).
*/
- if (IS_ENABLED(CONFIG_DEBUG_VM) && IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
- pte_valid(*ptep)) {
- BUG_ON(!pte_young(pte));
- BUG_ON(pte_write(*ptep) && !pte_dirty(pte));
+ if (IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
+ pte_valid(*ptep) && pte_valid(pte)) {
+ VM_WARN_ONCE(!pte_young(pte),
+ "%s: racy access flag clearing: 0x%016llx -> 0x%016llx",
+ __func__, pte_val(*ptep), pte_val(pte));
+ VM_WARN_ONCE(pte_write(*ptep) && !pte_dirty(pte),
+ "%s: racy dirty state clearing: 0x%016llx -> 0x%016llx",
+ __func__, pte_val(*ptep), pte_val(pte));
}
set_pte(ptep, pte);
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 24926f2504f7..feb6b4efa641 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -75,6 +75,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
(1 << MIDR_VARIANT_SHIFT) | 2),
},
#endif
+#ifdef CONFIG_ARM64_ERRATUM_834220
+ {
+ /* Cortex-A57 r0p0 - r1p2 */
+ .desc = "ARM erratum 834220",
+ .capability = ARM64_WORKAROUND_834220,
+ MIDR_RANGE(MIDR_CORTEX_A57, 0x00,
+ (1 << MIDR_VARIANT_SHIFT) | 2),
+ },
+#endif
#ifdef CONFIG_ARM64_ERRATUM_845719
{
/* Cortex-A53 r0p[01234] */
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index c8cf89223b5a..0669c63281ea 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -44,8 +44,9 @@ unsigned int compat_elf_hwcap2 __read_mostly;
DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS);
-#define ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
+#define __ARM64_FTR_BITS(SIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
{ \
+ .sign = SIGNED, \
.strict = STRICT, \
.type = TYPE, \
.shift = SHIFT, \
@@ -53,6 +54,14 @@ DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS);
.safe_val = SAFE_VAL, \
}
+/* Define a feature with signed values */
+#define ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
+ __ARM64_FTR_BITS(FTR_SIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL)
+
+/* Define a feature with unsigned value */
+#define U_ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \
+ __ARM64_FTR_BITS(FTR_UNSIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL)
+
#define ARM64_FTR_END \
{ \
.width = 0, \
@@ -99,7 +108,7 @@ static struct arm64_ftr_bits ftr_id_aa64mmfr0[] = {
* Differing PARange is fine as long as all peripherals and memory are mapped
* within the minimum PARange of all CPUs
*/
- ARM64_FTR_BITS(FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR0_PARANGE_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR0_PARANGE_SHIFT, 4, 0),
ARM64_FTR_END,
};
@@ -115,18 +124,18 @@ static struct arm64_ftr_bits ftr_id_aa64mmfr1[] = {
};
static struct arm64_ftr_bits ftr_ctr[] = {
- ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RAO */
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RAO */
ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 28, 3, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_HIGHER_SAFE, 24, 4, 0), /* CWG */
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0), /* ERG */
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 1), /* DminLine */
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_HIGHER_SAFE, 24, 4, 0), /* CWG */
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0), /* ERG */
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 1), /* DminLine */
/*
* Linux can handle differing I-cache policies. Userspace JITs will
* make use of *minLine
*/
- ARM64_FTR_BITS(FTR_NONSTRICT, FTR_EXACT, 14, 2, 0), /* L1Ip */
+ U_ARM64_FTR_BITS(FTR_NONSTRICT, FTR_EXACT, 14, 2, 0), /* L1Ip */
ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 4, 10, 0), /* RAZ */
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 0, 4, 0), /* IminLine */
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 0, 4, 0), /* IminLine */
ARM64_FTR_END,
};
@@ -144,12 +153,12 @@ static struct arm64_ftr_bits ftr_id_mmfr0[] = {
static struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 32, 32, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_WRPS_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_BRPS_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_WRPS_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_BRPS_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
+ U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
ARM64_FTR_END,
};
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 706679d0a0b4..212ae6361d8b 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -30,6 +30,7 @@
#include <linux/seq_file.h>
#include <linux/sched.h>
#include <linux/smp.h>
+#include <linux/delay.h>
/*
* In case the boot CPU is hotpluggable, we record its initial state and
@@ -112,6 +113,10 @@ static int c_show(struct seq_file *m, void *v)
*/
seq_printf(m, "processor\t: %d\n", i);
+ seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
+ loops_per_jiffy / (500000UL/HZ),
+ loops_per_jiffy / (5000UL/HZ) % 100);
+
/*
* Dump out the common processor features in a single line.
* Userspace should read the hwcaps with getauxval(AT_HWCAP)
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index de46b50f4cdf..4eeb17198cfa 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -127,7 +127,11 @@ static int __init uefi_init(void)
table_size = sizeof(efi_config_table_64_t) * efi.systab->nr_tables;
config_tables = early_memremap(efi_to_phys(efi.systab->tables),
table_size);
-
+ if (config_tables == NULL) {
+ pr_warn("Unable to map EFI config table array.\n");
+ retval = -ENOMEM;
+ goto out;
+ }
retval = efi_config_parse_tables(config_tables, efi.systab->nr_tables,
sizeof(efi_config_table_64_t), NULL);
@@ -209,6 +213,14 @@ void __init efi_init(void)
PAGE_ALIGN(params.mmap_size + (params.mmap & ~PAGE_MASK)));
memmap.phys_map = params.mmap;
memmap.map = early_memremap(params.mmap, params.mmap_size);
+ if (memmap.map == NULL) {
+ /*
+ * If we are booting via UEFI, the UEFI memory map is the only
+ * description of memory we have, so there is little point in
+ * proceeding if we cannot access it.
+ */
+ panic("Unable to map EFI memory map.\n");
+ }
memmap.map_end = memmap.map + params.mmap_size;
memmap.desc_size = params.desc_size;
memmap.desc_version = params.desc_ver;
@@ -224,8 +236,9 @@ static bool __init efi_virtmap_init(void)
{
efi_memory_desc_t *md;
+ init_new_context(NULL, &efi_mm);
+
for_each_efi_memory_desc(&memmap, md) {
- u64 paddr, npages, size;
pgprot_t prot;
if (!(md->attribute & EFI_MEMORY_RUNTIME))
@@ -233,11 +246,6 @@ static bool __init efi_virtmap_init(void)
if (md->virt_addr == 0)
return false;
- paddr = md->phys_addr;
- npages = md->num_pages;
- memrange_efi_to_native(&paddr, &npages);
- size = npages << PAGE_SHIFT;
-
pr_info(" EFI remap 0x%016llx => %p\n",
md->phys_addr, (void *)md->virt_addr);
@@ -254,7 +262,9 @@ static bool __init efi_virtmap_init(void)
else
prot = PAGE_KERNEL;
- create_pgd_mapping(&efi_mm, paddr, md->virt_addr, size, prot);
+ create_pgd_mapping(&efi_mm, md->phys_addr, md->virt_addr,
+ md->num_pages << EFI_PAGE_SHIFT,
+ __pgprot(pgprot_val(prot) | PTE_NG));
}
return true;
}
@@ -270,12 +280,12 @@ static int __init arm64_enable_runtime_services(void)
if (!efi_enabled(EFI_BOOT)) {
pr_info("EFI services will not be available.\n");
- return -1;
+ return 0;
}
if (efi_runtime_disabled()) {
pr_info("EFI runtime services will be disabled.\n");
- return -1;
+ return 0;
}
pr_info("Remapping and enabling EFI services.\n");
@@ -285,7 +295,7 @@ static int __init arm64_enable_runtime_services(void)
mapsize);
if (!memmap.map) {
pr_err("Failed to remap EFI memory map\n");
- return -1;
+ return -ENOMEM;
}
memmap.map_end = memmap.map + mapsize;
efi.memmap = &memmap;
@@ -294,13 +304,13 @@ static int __init arm64_enable_runtime_services(void)
sizeof(efi_system_table_t));
if (!efi.systab) {
pr_err("Failed to remap EFI System Table\n");
- return -1;
+ return -ENOMEM;
}
set_bit(EFI_SYSTEM_TABLES, &efi.flags);
if (!efi_virtmap_init()) {
pr_err("No UEFI virtual mapping was installed -- runtime services will not be available\n");
- return -1;
+ return -ENOMEM;
}
/* Set up runtime services function pointers */
@@ -329,14 +339,7 @@ core_initcall(arm64_dmi_init);
static void efi_set_pgd(struct mm_struct *mm)
{
- if (mm == &init_mm)
- cpu_set_reserved_ttbr0();
- else
- cpu_switch_mm(mm->pgd, mm);
-
- local_flush_tlb_all();
- if (icache_is_aivivt())
- __local_flush_icache_all();
+ switch_mm(NULL, mm, NULL);
}
void efi_virtmap_load(void)
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index fce95e17cf7f..1095aa483a1c 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -1,3 +1,4 @@
+#include <linux/ftrace.h>
#include <linux/percpu.h>
#include <linux/slab.h>
#include <asm/cacheflush.h>
@@ -71,6 +72,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
local_dbg_save(flags);
/*
+ * Function graph tracer state gets incosistent when the kernel
+ * calls functions that never return (aka suspend finishers) hence
+ * disable graph tracing during their execution.
+ */
+ pause_graph_tracing();
+
+ /*
* mm context saved on the stack, it will be restored when
* the cpu comes out of reset through the identity mapped
* page tables, so that the thread address space is properly
@@ -111,6 +119,8 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
hw_breakpoint_restore(NULL);
}
+ unpause_graph_tracing();
+
/*
* Restore pstate flags. OS lock and mdscr have been already
* restored, so from this point onwards, debugging is fully
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 1ee2c3937d4e..71426a78db12 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -5,6 +5,7 @@
*/
#include <asm-generic/vmlinux.lds.h>
+#include <asm/cache.h>
#include <asm/kernel-pgtable.h>
#include <asm/thread_info.h>
#include <asm/memory.h>
@@ -140,7 +141,7 @@ SECTIONS
ARM_EXIT_KEEP(EXIT_DATA)
}
- PERCPU_SECTION(64)
+ PERCPU_SECTION(L1_CACHE_BYTES)
. = ALIGN(PAGE_SIZE);
__init_end = .;
@@ -158,7 +159,7 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
_data = .;
_sdata = .;
- RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE)
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
PECOFF_EDATA_PADDING
_edata = .;
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index 68a0759b1375..15f0477b0d2a 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -37,7 +37,7 @@ static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
int ret;
- trace_kvm_hvc_arm64(*vcpu_pc(vcpu), *vcpu_reg(vcpu, 0),
+ trace_kvm_hvc_arm64(*vcpu_pc(vcpu), vcpu_get_reg(vcpu, 0),
kvm_vcpu_hvc_get_imm(vcpu));
ret = kvm_psci_call(vcpu);
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S
index 1599701ef044..86c289832272 100644
--- a/arch/arm64/kvm/hyp.S
+++ b/arch/arm64/kvm/hyp.S
@@ -864,6 +864,10 @@ ENTRY(__kvm_flush_vm_context)
ENDPROC(__kvm_flush_vm_context)
__kvm_hyp_panic:
+ // Stash PAR_EL1 before corrupting it in __restore_sysregs
+ mrs x0, par_el1
+ push x0, xzr
+
// Guess the context by looking at VTTBR:
// If zero, then we're already a host.
// Otherwise restore a minimal host context before panicing.
@@ -898,7 +902,7 @@ __kvm_hyp_panic:
mrs x3, esr_el2
mrs x4, far_el2
mrs x5, hpfar_el2
- mrs x6, par_el1
+ pop x6, xzr // active context PAR_EL1
mrs x7, tpidr_el2
mov lr, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
@@ -914,7 +918,7 @@ __kvm_hyp_panic:
ENDPROC(__kvm_hyp_panic)
__hyp_panic_str:
- .ascii "HYP panic:\nPS:%08x PC:%p ESR:%p\nFAR:%p HPFAR:%p PAR:%p\nVCPU:%p\n\0"
+ .ascii "HYP panic:\nPS:%08x PC:%016x ESR:%08x\nFAR:%016x HPFAR:%016x PAR:%016x\nVCPU:%p\n\0"
.align 2
@@ -1015,9 +1019,15 @@ el1_trap:
b.ne 1f // Not an abort we care about
/* This is an abort. Check for permission fault */
+alternative_if_not ARM64_WORKAROUND_834220
and x2, x1, #ESR_ELx_FSC_TYPE
cmp x2, #FSC_PERM
b.ne 1f // Not a permission fault
+alternative_else
+ nop // Use the permission fault path to
+ nop // check for a valid S1 translation,
+ nop // regardless of the ESR value.
+alternative_endif
/*
* Check for Stage-1 page table walk, which is guaranteed
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index 85c57158dcd9..648112e90ed5 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -48,7 +48,7 @@ static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
/* Note: These now point to the banked copies */
*vcpu_spsr(vcpu) = new_spsr_value;
- *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
+ *vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
/* Branch to exception vector */
if (sctlr & (1 << 13))
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 87a64e8db04c..d2650e84faf2 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -78,7 +78,7 @@ static u32 get_ccsidr(u32 csselr)
* See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized).
*/
static bool access_dcsw(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (!p->is_write)
@@ -94,21 +94,19 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
* sys_regs and leave it in complete control of the caches.
*/
static bool access_vm_reg(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- unsigned long val;
bool was_enabled = vcpu_has_cache_enabled(vcpu);
BUG_ON(!p->is_write);
- val = *vcpu_reg(vcpu, p->Rt);
if (!p->is_aarch32) {
- vcpu_sys_reg(vcpu, r->reg) = val;
+ vcpu_sys_reg(vcpu, r->reg) = p->regval;
} else {
if (!p->is_32bit)
- vcpu_cp15_64_high(vcpu, r->reg) = val >> 32;
- vcpu_cp15_64_low(vcpu, r->reg) = val & 0xffffffffUL;
+ vcpu_cp15_64_high(vcpu, r->reg) = upper_32_bits(p->regval);
+ vcpu_cp15_64_low(vcpu, r->reg) = lower_32_bits(p->regval);
}
kvm_toggle_cache(vcpu, was_enabled);
@@ -122,22 +120,19 @@ static bool access_vm_reg(struct kvm_vcpu *vcpu,
* for both AArch64 and AArch32 accesses.
*/
static bool access_gic_sgi(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- u64 val;
-
if (!p->is_write)
return read_from_write_only(vcpu, p);
- val = *vcpu_reg(vcpu, p->Rt);
- vgic_v3_dispatch_sgi(vcpu, val);
+ vgic_v3_dispatch_sgi(vcpu, p->regval);
return true;
}
static bool trap_raz_wi(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write)
@@ -147,19 +142,19 @@ static bool trap_raz_wi(struct kvm_vcpu *vcpu,
}
static bool trap_oslsr_el1(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write) {
return ignore_write(vcpu, p);
} else {
- *vcpu_reg(vcpu, p->Rt) = (1 << 3);
+ p->regval = (1 << 3);
return true;
}
}
static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write) {
@@ -167,7 +162,7 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu,
} else {
u32 val;
asm volatile("mrs %0, dbgauthstatus_el1" : "=r" (val));
- *vcpu_reg(vcpu, p->Rt) = val;
+ p->regval = val;
return true;
}
}
@@ -200,17 +195,17 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu,
* now use the debug registers.
*/
static bool trap_debug_regs(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write) {
- vcpu_sys_reg(vcpu, r->reg) = *vcpu_reg(vcpu, p->Rt);
+ vcpu_sys_reg(vcpu, r->reg) = p->regval;
vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY;
} else {
- *vcpu_reg(vcpu, p->Rt) = vcpu_sys_reg(vcpu, r->reg);
+ p->regval = vcpu_sys_reg(vcpu, r->reg);
}
- trace_trap_reg(__func__, r->reg, p->is_write, *vcpu_reg(vcpu, p->Rt));
+ trace_trap_reg(__func__, r->reg, p->is_write, p->regval);
return true;
}
@@ -225,10 +220,10 @@ static bool trap_debug_regs(struct kvm_vcpu *vcpu,
* hyp.S code switches between host and guest values in future.
*/
static inline void reg_to_dbg(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
u64 *dbg_reg)
{
- u64 val = *vcpu_reg(vcpu, p->Rt);
+ u64 val = p->regval;
if (p->is_32bit) {
val &= 0xffffffffUL;
@@ -240,19 +235,16 @@ static inline void reg_to_dbg(struct kvm_vcpu *vcpu,
}
static inline void dbg_to_reg(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
u64 *dbg_reg)
{
- u64 val = *dbg_reg;
-
+ p->regval = *dbg_reg;
if (p->is_32bit)
- val &= 0xffffffffUL;
-
- *vcpu_reg(vcpu, p->Rt) = val;
+ p->regval &= 0xffffffffUL;
}
static inline bool trap_bvr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
@@ -294,7 +286,7 @@ static inline void reset_bvr(struct kvm_vcpu *vcpu,
}
static inline bool trap_bcr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
@@ -337,7 +329,7 @@ static inline void reset_bcr(struct kvm_vcpu *vcpu,
}
static inline bool trap_wvr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
@@ -380,7 +372,7 @@ static inline void reset_wvr(struct kvm_vcpu *vcpu,
}
static inline bool trap_wcr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
@@ -687,7 +679,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
};
static bool trap_dbgidr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write) {
@@ -697,23 +689,23 @@ static bool trap_dbgidr(struct kvm_vcpu *vcpu,
u64 pfr = read_system_reg(SYS_ID_AA64PFR0_EL1);
u32 el3 = !!cpuid_feature_extract_field(pfr, ID_AA64PFR0_EL3_SHIFT);
- *vcpu_reg(vcpu, p->Rt) = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
- (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
- (((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20) |
- (6 << 16) | (el3 << 14) | (el3 << 12));
+ p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
+ (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
+ (((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20)
+ | (6 << 16) | (el3 << 14) | (el3 << 12));
return true;
}
}
static bool trap_debug32(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write) {
- vcpu_cp14(vcpu, r->reg) = *vcpu_reg(vcpu, p->Rt);
+ vcpu_cp14(vcpu, r->reg) = p->regval;
vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY;
} else {
- *vcpu_reg(vcpu, p->Rt) = vcpu_cp14(vcpu, r->reg);
+ p->regval = vcpu_cp14(vcpu, r->reg);
}
return true;
@@ -731,7 +723,7 @@ static bool trap_debug32(struct kvm_vcpu *vcpu,
*/
static inline bool trap_xvr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
@@ -740,12 +732,12 @@ static inline bool trap_xvr(struct kvm_vcpu *vcpu,
u64 val = *dbg_reg;
val &= 0xffffffffUL;
- val |= *vcpu_reg(vcpu, p->Rt) << 32;
+ val |= p->regval << 32;
*dbg_reg = val;
vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY;
} else {
- *vcpu_reg(vcpu, p->Rt) = *dbg_reg >> 32;
+ p->regval = *dbg_reg >> 32;
}
trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
@@ -991,7 +983,7 @@ int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run)
* Return 0 if the access has been handled, and -1 if not.
*/
static int emulate_cp(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *params,
+ struct sys_reg_params *params,
const struct sys_reg_desc *table,
size_t num)
{
@@ -1062,12 +1054,12 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu,
{
struct sys_reg_params params;
u32 hsr = kvm_vcpu_get_hsr(vcpu);
+ int Rt = (hsr >> 5) & 0xf;
int Rt2 = (hsr >> 10) & 0xf;
params.is_aarch32 = true;
params.is_32bit = false;
params.CRm = (hsr >> 1) & 0xf;
- params.Rt = (hsr >> 5) & 0xf;
params.is_write = ((hsr & 1) == 0);
params.Op0 = 0;
@@ -1076,15 +1068,12 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu,
params.CRn = 0;
/*
- * Massive hack here. Store Rt2 in the top 32bits so we only
- * have one register to deal with. As we use the same trap
+ * Make a 64-bit value out of Rt and Rt2. As we use the same trap
* backends between AArch32 and AArch64, we get away with it.
*/
if (params.is_write) {
- u64 val = *vcpu_reg(vcpu, params.Rt);
- val &= 0xffffffff;
- val |= *vcpu_reg(vcpu, Rt2) << 32;
- *vcpu_reg(vcpu, params.Rt) = val;
+ params.regval = vcpu_get_reg(vcpu, Rt) & 0xffffffff;
+ params.regval |= vcpu_get_reg(vcpu, Rt2) << 32;
}
if (!emulate_cp(vcpu, &params, target_specific, nr_specific))
@@ -1095,11 +1084,10 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu,
unhandled_cp_access(vcpu, &params);
out:
- /* Do the opposite hack for the read side */
+ /* Split up the value between registers for the read side */
if (!params.is_write) {
- u64 val = *vcpu_reg(vcpu, params.Rt);
- val >>= 32;
- *vcpu_reg(vcpu, Rt2) = val;
+ vcpu_set_reg(vcpu, Rt, lower_32_bits(params.regval));
+ vcpu_set_reg(vcpu, Rt2, upper_32_bits(params.regval));
}
return 1;
@@ -1118,21 +1106,24 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu,
{
struct sys_reg_params params;
u32 hsr = kvm_vcpu_get_hsr(vcpu);
+ int Rt = (hsr >> 5) & 0xf;
params.is_aarch32 = true;
params.is_32bit = true;
params.CRm = (hsr >> 1) & 0xf;
- params.Rt = (hsr >> 5) & 0xf;
+ params.regval = vcpu_get_reg(vcpu, Rt);
params.is_write = ((hsr & 1) == 0);
params.CRn = (hsr >> 10) & 0xf;
params.Op0 = 0;
params.Op1 = (hsr >> 14) & 0x7;
params.Op2 = (hsr >> 17) & 0x7;
- if (!emulate_cp(vcpu, &params, target_specific, nr_specific))
- return 1;
- if (!emulate_cp(vcpu, &params, global, nr_global))
+ if (!emulate_cp(vcpu, &params, target_specific, nr_specific) ||
+ !emulate_cp(vcpu, &params, global, nr_global)) {
+ if (!params.is_write)
+ vcpu_set_reg(vcpu, Rt, params.regval);
return 1;
+ }
unhandled_cp_access(vcpu, &params);
return 1;
@@ -1175,7 +1166,7 @@ int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
}
static int emulate_sys_reg(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *params)
+ struct sys_reg_params *params)
{
size_t num;
const struct sys_reg_desc *table, *r;
@@ -1230,6 +1221,8 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
struct sys_reg_params params;
unsigned long esr = kvm_vcpu_get_hsr(vcpu);
+ int Rt = (esr >> 5) & 0x1f;
+ int ret;
trace_kvm_handle_sys_reg(esr);
@@ -1240,10 +1233,14 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run)
params.CRn = (esr >> 10) & 0xf;
params.CRm = (esr >> 1) & 0xf;
params.Op2 = (esr >> 17) & 0x7;
- params.Rt = (esr >> 5) & 0x1f;
+ params.regval = vcpu_get_reg(vcpu, Rt);
params.is_write = !(esr & 1);
- return emulate_sys_reg(vcpu, &params);
+ ret = emulate_sys_reg(vcpu, &params);
+
+ if (!params.is_write)
+ vcpu_set_reg(vcpu, Rt, params.regval);
+ return ret;
}
/******************************************************************************
diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h
index eaa324e4db4d..dbbb01cfbee9 100644
--- a/arch/arm64/kvm/sys_regs.h
+++ b/arch/arm64/kvm/sys_regs.h
@@ -28,7 +28,7 @@ struct sys_reg_params {
u8 CRn;
u8 CRm;
u8 Op2;
- u8 Rt;
+ u64 regval;
bool is_write;
bool is_aarch32;
bool is_32bit; /* Only valid if is_aarch32 is true */
@@ -44,7 +44,7 @@ struct sys_reg_desc {
/* Trapped access from guest, if non-NULL. */
bool (*access)(struct kvm_vcpu *,
- const struct sys_reg_params *,
+ struct sys_reg_params *,
const struct sys_reg_desc *);
/* Initialization for vcpu. */
@@ -77,9 +77,9 @@ static inline bool ignore_write(struct kvm_vcpu *vcpu,
}
static inline bool read_zero(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p)
+ struct sys_reg_params *p)
{
- *vcpu_reg(vcpu, p->Rt) = 0;
+ p->regval = 0;
return true;
}
diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index 1e4576824165..ed90578fa120 100644
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -31,13 +31,13 @@
#include "sys_regs.h"
static bool access_actlr(struct kvm_vcpu *vcpu,
- const struct sys_reg_params *p,
+ struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
if (p->is_write)
return ignore_write(vcpu, p);
- *vcpu_reg(vcpu, p->Rt) = vcpu_sys_reg(vcpu, ACTLR_EL1);
+ p->regval = vcpu_sys_reg(vcpu, ACTLR_EL1);
return true;
}
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index f636a2639f03..e87f53ff5f58 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -76,13 +76,28 @@ static void flush_context(unsigned int cpu)
__flush_icache_all();
}
-static int is_reserved_asid(u64 asid)
+static bool check_update_reserved_asid(u64 asid, u64 newasid)
{
int cpu;
- for_each_possible_cpu(cpu)
- if (per_cpu(reserved_asids, cpu) == asid)
- return 1;
- return 0;
+ bool hit = false;
+
+ /*
+ * Iterate over the set of reserved ASIDs looking for a match.
+ * If we find one, then we can update our mm to use newasid
+ * (i.e. the same ASID in the current generation) but we can't
+ * exit the loop early, since we need to ensure that all copies
+ * of the old ASID are updated to reflect the mm. Failure to do
+ * so could result in us missing the reserved ASID in a future
+ * generation.
+ */
+ for_each_possible_cpu(cpu) {
+ if (per_cpu(reserved_asids, cpu) == asid) {
+ hit = true;
+ per_cpu(reserved_asids, cpu) = newasid;
+ }
+ }
+
+ return hit;
}
static u64 new_context(struct mm_struct *mm, unsigned int cpu)
@@ -92,12 +107,14 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
u64 generation = atomic64_read(&asid_generation);
if (asid != 0) {
+ u64 newasid = generation | (asid & ~ASID_MASK);
+
/*
* If our current ASID was active during a rollover, we
* can continue to use it and this was just a false alarm.
*/
- if (is_reserved_asid(asid))
- return generation | (asid & ~ASID_MASK);
+ if (check_update_reserved_asid(asid, newasid))
+ return newasid;
/*
* We had a valid ASID in a previous life, so try to re-use
@@ -105,7 +122,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
*/
asid &= ~ASID_MASK;
if (!__test_and_set_bit(asid, asid_map))
- goto bump_gen;
+ return newasid;
}
/*
@@ -129,10 +146,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
set_asid:
__set_bit(asid, asid_map);
cur_idx = asid;
-
-bump_gen:
- asid |= generation;
- return asid;
+ return asid | generation;
}
void check_and_switch_context(struct mm_struct *mm, unsigned int cpu)
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 131a199114b4..7963aa4b5d28 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -18,6 +18,7 @@
*/
#include <linux/gfp.h>
+#include <linux/acpi.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/genalloc.h>
@@ -28,9 +29,6 @@
#include <asm/cacheflush.h>
-struct dma_map_ops *dma_ops;
-EXPORT_SYMBOL(dma_ops);
-
static pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot,
bool coherent)
{
@@ -515,13 +513,7 @@ EXPORT_SYMBOL(dummy_dma_ops);
static int __init arm64_dma_init(void)
{
- int ret;
-
- dma_ops = &swiotlb_dma_ops;
-
- ret = atomic_pool_init();
-
- return ret;
+ return atomic_pool_init();
}
arch_initcall(arm64_dma_init);
@@ -552,10 +544,14 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
{
bool coherent = is_device_dma_coherent(dev);
int ioprot = dma_direction_to_prot(DMA_BIDIRECTIONAL, coherent);
+ size_t iosize = size;
void *addr;
if (WARN(!dev, "cannot create IOMMU mapping for unknown device\n"))
return NULL;
+
+ size = PAGE_ALIGN(size);
+
/*
* Some drivers rely on this, and we probably don't want the
* possibility of stale kernel data being read by devices anyway.
@@ -566,7 +562,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
struct page **pages;
pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL, coherent);
- pages = iommu_dma_alloc(dev, size, gfp, ioprot, handle,
+ pages = iommu_dma_alloc(dev, iosize, gfp, ioprot, handle,
flush_page);
if (!pages)
return NULL;
@@ -574,7 +570,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
addr = dma_common_pages_remap(pages, size, VM_USERMAP, prot,
__builtin_return_address(0));
if (!addr)
- iommu_dma_free(dev, pages, size, handle);
+ iommu_dma_free(dev, pages, iosize, handle);
} else {
struct page *page;
/*
@@ -591,7 +587,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
if (!addr)
return NULL;
- *handle = iommu_dma_map_page(dev, page, 0, size, ioprot);
+ *handle = iommu_dma_map_page(dev, page, 0, iosize, ioprot);
if (iommu_dma_mapping_error(dev, *handle)) {
if (coherent)
__free_pages(page, get_order(size));
@@ -606,6 +602,9 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size,
static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t handle, struct dma_attrs *attrs)
{
+ size_t iosize = size;
+
+ size = PAGE_ALIGN(size);
/*
* @cpu_addr will be one of 3 things depending on how it was allocated:
* - A remapped array of pages from iommu_dma_alloc(), for all
@@ -617,17 +616,17 @@ static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr,
* Hence how dodgy the below logic looks...
*/
if (__in_atomic_pool(cpu_addr, size)) {
- iommu_dma_unmap_page(dev, handle, size, 0, NULL);
+ iommu_dma_unmap_page(dev, handle, iosize, 0, NULL);
__free_from_pool(cpu_addr, size);
} else if (is_vmalloc_addr(cpu_addr)){
struct vm_struct *area = find_vm_area(cpu_addr);
if (WARN_ON(!area || !area->pages))
return;
- iommu_dma_free(dev, area->pages, size, &handle);
+ iommu_dma_free(dev, area->pages, iosize, &handle);
dma_common_free_remap(cpu_addr, size, VM_USERMAP);
} else {
- iommu_dma_unmap_page(dev, handle, size, 0, NULL);
+ iommu_dma_unmap_page(dev, handle, iosize, 0, NULL);
__free_pages(virt_to_page(cpu_addr), get_order(size));
}
}
@@ -984,8 +983,8 @@ static void __iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
struct iommu_ops *iommu, bool coherent)
{
- if (!acpi_disabled && !dev->archdata.dma_ops)
- dev->archdata.dma_ops = dma_ops;
+ if (!dev->archdata.dma_ops)
+ dev->archdata.dma_ops = &swiotlb_dma_ops;
dev->archdata.dma_coherent = coherent;
__iommu_setup_dma_ops(dev, dma_base, size, iommu);
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 19211c4a8911..92ddac1e8ca2 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -393,16 +393,16 @@ static struct fault_info {
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" },
{ do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
- { do_bad, SIGBUS, 0, "reserved access flag fault" },
+ { do_bad, SIGBUS, 0, "unknown 8" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" },
- { do_bad, SIGBUS, 0, "reserved permission fault" },
+ { do_bad, SIGBUS, 0, "unknown 12" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 permission fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 permission fault" },
{ do_bad, SIGBUS, 0, "synchronous external abort" },
- { do_bad, SIGBUS, 0, "asynchronous external abort" },
+ { do_bad, SIGBUS, 0, "unknown 17" },
{ do_bad, SIGBUS, 0, "unknown 18" },
{ do_bad, SIGBUS, 0, "unknown 19" },
{ do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" },
@@ -410,16 +410,16 @@ static struct fault_info {
{ do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" },
{ do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" },
{ do_bad, SIGBUS, 0, "synchronous parity error" },
- { do_bad, SIGBUS, 0, "asynchronous parity error" },
+ { do_bad, SIGBUS, 0, "unknown 25" },
{ do_bad, SIGBUS, 0, "unknown 26" },
{ do_bad, SIGBUS, 0, "unknown 27" },
- { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" },
- { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" },
- { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" },
- { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" },
+ { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" },
+ { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" },
+ { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" },
+ { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" },
{ do_bad, SIGBUS, 0, "unknown 32" },
{ do_bad, SIGBUS, BUS_ADRALN, "alignment fault" },
- { do_bad, SIGBUS, 0, "debug event" },
+ { do_bad, SIGBUS, 0, "unknown 34" },
{ do_bad, SIGBUS, 0, "unknown 35" },
{ do_bad, SIGBUS, 0, "unknown 36" },
{ do_bad, SIGBUS, 0, "unknown 37" },
@@ -433,21 +433,21 @@ static struct fault_info {
{ do_bad, SIGBUS, 0, "unknown 45" },
{ do_bad, SIGBUS, 0, "unknown 46" },
{ do_bad, SIGBUS, 0, "unknown 47" },
- { do_bad, SIGBUS, 0, "unknown 48" },
+ { do_bad, SIGBUS, 0, "TLB conflict abort" },
{ do_bad, SIGBUS, 0, "unknown 49" },
{ do_bad, SIGBUS, 0, "unknown 50" },
{ do_bad, SIGBUS, 0, "unknown 51" },
{ do_bad, SIGBUS, 0, "implementation fault (lockdown abort)" },
- { do_bad, SIGBUS, 0, "unknown 53" },
+ { do_bad, SIGBUS, 0, "implementation fault (unsupported exclusive)" },
{ do_bad, SIGBUS, 0, "unknown 54" },
{ do_bad, SIGBUS, 0, "unknown 55" },
{ do_bad, SIGBUS, 0, "unknown 56" },
{ do_bad, SIGBUS, 0, "unknown 57" },
- { do_bad, SIGBUS, 0, "implementation fault (coprocessor abort)" },
+ { do_bad, SIGBUS, 0, "unknown 58" },
{ do_bad, SIGBUS, 0, "unknown 59" },
{ do_bad, SIGBUS, 0, "unknown 60" },
- { do_bad, SIGBUS, 0, "unknown 61" },
- { do_bad, SIGBUS, 0, "unknown 62" },
+ { do_bad, SIGBUS, 0, "section domain fault" },
+ { do_bad, SIGBUS, 0, "page domain fault" },
{ do_bad, SIGBUS, 0, "unknown 63" },
};
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index e3f563c81c48..873e363048c6 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -64,8 +64,12 @@ EXPORT_SYMBOL(phys_mem_access_prot);
static void __init *early_alloc(unsigned long sz)
{
- void *ptr = __va(memblock_alloc(sz, sz));
- BUG_ON(!ptr);
+ phys_addr_t phys;
+ void *ptr;
+
+ phys = memblock_alloc(sz, sz);
+ BUG_ON(!phys);
+ ptr = __va(phys);
memset(ptr, 0, sz);
return ptr;
}
@@ -81,55 +85,19 @@ static void split_pmd(pmd_t *pmd, pte_t *pte)
do {
/*
* Need to have the least restrictive permissions available
- * permissions will be fixed up later. Default the new page
- * range as contiguous ptes.
+ * permissions will be fixed up later
*/
- set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC_CONT));
+ set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC));
pfn++;
} while (pte++, i++, i < PTRS_PER_PTE);
}
-/*
- * Given a PTE with the CONT bit set, determine where the CONT range
- * starts, and clear the entire range of PTE CONT bits.
- */
-static void clear_cont_pte_range(pte_t *pte, unsigned long addr)
-{
- int i;
-
- pte -= CONT_RANGE_OFFSET(addr);
- for (i = 0; i < CONT_PTES; i++) {
- set_pte(pte, pte_mknoncont(*pte));
- pte++;
- }
- flush_tlb_all();
-}
-
-/*
- * Given a range of PTEs set the pfn and provided page protection flags
- */
-static void __populate_init_pte(pte_t *pte, unsigned long addr,
- unsigned long end, phys_addr_t phys,
- pgprot_t prot)
-{
- unsigned long pfn = __phys_to_pfn(phys);
-
- do {
- /* clear all the bits except the pfn, then apply the prot */
- set_pte(pte, pfn_pte(pfn, prot));
- pte++;
- pfn++;
- addr += PAGE_SIZE;
- } while (addr != end);
-}
-
static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys,
+ unsigned long end, unsigned long pfn,
pgprot_t prot,
void *(*alloc)(unsigned long size))
{
pte_t *pte;
- unsigned long next;
if (pmd_none(*pmd) || pmd_sect(*pmd)) {
pte = alloc(PTRS_PER_PTE * sizeof(pte_t));
@@ -142,27 +110,9 @@ static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
pte = pte_offset_kernel(pmd, addr);
do {
- next = min(end, (addr + CONT_SIZE) & CONT_MASK);
- if (((addr | next | phys) & ~CONT_MASK) == 0) {
- /* a block of CONT_PTES */
- __populate_init_pte(pte, addr, next, phys,
- __pgprot(pgprot_val(prot) | PTE_CONT));
- } else {
- /*
- * If the range being split is already inside of a
- * contiguous range but this PTE isn't going to be
- * contiguous, then we want to unmark the adjacent
- * ranges, then update the portion of the range we
- * are interrested in.
- */
- clear_cont_pte_range(pte, addr);
- __populate_init_pte(pte, addr, next, phys, prot);
- }
-
- pte += (next - addr) >> PAGE_SHIFT;
- phys += next - addr;
- addr = next;
- } while (addr != end);
+ set_pte(pte, pfn_pte(pfn, prot));
+ pfn++;
+ } while (pte++, addr += PAGE_SIZE, addr != end);
}
static void split_pud(pud_t *old_pud, pmd_t *pmd)
@@ -223,7 +173,8 @@ static void alloc_init_pmd(struct mm_struct *mm, pud_t *pud,
}
}
} else {
- alloc_init_pte(pmd, addr, next, phys, prot, alloc);
+ alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys),
+ prot, alloc);
}
phys += next - addr;
} while (pmd++, addr = next, addr != end);
@@ -362,8 +313,8 @@ static void __init __map_memblock(phys_addr_t start, phys_addr_t end)
* for now. This will get more fine grained later once all memory
* is mapped
*/
- unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE);
- unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE);
+ unsigned long kernel_x_start = round_down(__pa(_stext), SWAPPER_BLOCK_SIZE);
+ unsigned long kernel_x_end = round_up(__pa(__init_end), SWAPPER_BLOCK_SIZE);
if (end < kernel_x_start) {
create_mapping(start, __phys_to_virt(start),
@@ -451,18 +402,18 @@ static void __init fixup_executable(void)
{
#ifdef CONFIG_DEBUG_RODATA
/* now that we are actually fully mapped, make the start/end more fine grained */
- if (!IS_ALIGNED((unsigned long)_stext, SECTION_SIZE)) {
+ if (!IS_ALIGNED((unsigned long)_stext, SWAPPER_BLOCK_SIZE)) {
unsigned long aligned_start = round_down(__pa(_stext),
- SECTION_SIZE);
+ SWAPPER_BLOCK_SIZE);
create_mapping(aligned_start, __phys_to_virt(aligned_start),
__pa(_stext) - aligned_start,
PAGE_KERNEL);
}
- if (!IS_ALIGNED((unsigned long)__init_end, SECTION_SIZE)) {
+ if (!IS_ALIGNED((unsigned long)__init_end, SWAPPER_BLOCK_SIZE)) {
unsigned long aligned_end = round_up(__pa(__init_end),
- SECTION_SIZE);
+ SWAPPER_BLOCK_SIZE);
create_mapping(__pa(__init_end), (unsigned long)__init_end,
aligned_end - __pa(__init_end),
PAGE_KERNEL);
@@ -475,7 +426,7 @@ void mark_rodata_ro(void)
{
create_mapping_late(__pa(_stext), (unsigned long)_stext,
(unsigned long)_etext - (unsigned long)_stext,
- PAGE_KERNEL_EXEC | PTE_RDONLY);
+ PAGE_KERNEL_ROX);
}
#endif
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index cf3c7d4a1b58..b162ad70effc 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -50,7 +50,7 @@ static const int bpf2a64[] = {
[BPF_REG_8] = A64_R(21),
[BPF_REG_9] = A64_R(22),
/* read-only frame pointer to access stack */
- [BPF_REG_FP] = A64_FP,
+ [BPF_REG_FP] = A64_R(25),
/* temporary register for internal BPF JIT */
[TMP_REG_1] = A64_R(23),
[TMP_REG_2] = A64_R(24),
@@ -139,6 +139,12 @@ static inline int epilogue_offset(const struct jit_ctx *ctx)
/* Stack must be multiples of 16B */
#define STACK_ALIGN(sz) (((sz) + 15) & ~15)
+#define _STACK_SIZE \
+ (MAX_BPF_STACK \
+ + 4 /* extra for skb_copy_bits buffer */)
+
+#define STACK_SIZE STACK_ALIGN(_STACK_SIZE)
+
static void build_prologue(struct jit_ctx *ctx)
{
const u8 r6 = bpf2a64[BPF_REG_6];
@@ -150,10 +156,35 @@ static void build_prologue(struct jit_ctx *ctx)
const u8 rx = bpf2a64[BPF_REG_X];
const u8 tmp1 = bpf2a64[TMP_REG_1];
const u8 tmp2 = bpf2a64[TMP_REG_2];
- int stack_size = MAX_BPF_STACK;
- stack_size += 4; /* extra for skb_copy_bits buffer */
- stack_size = STACK_ALIGN(stack_size);
+ /*
+ * BPF prog stack layout
+ *
+ * high
+ * original A64_SP => 0:+-----+ BPF prologue
+ * |FP/LR|
+ * current A64_FP => -16:+-----+
+ * | ... | callee saved registers
+ * +-----+
+ * | | x25/x26
+ * BPF fp register => -80:+-----+ <= (BPF_FP)
+ * | |
+ * | ... | BPF prog stack
+ * | |
+ * +-----+ <= (BPF_FP - MAX_BPF_STACK)
+ * |RSVD | JIT scratchpad
+ * current A64_SP => +-----+ <= (BPF_FP - STACK_SIZE)
+ * | |
+ * | ... | Function call stack
+ * | |
+ * +-----+
+ * low
+ *
+ */
+
+ /* Save FP and LR registers to stay align with ARM64 AAPCS */
+ emit(A64_PUSH(A64_FP, A64_LR, A64_SP), ctx);
+ emit(A64_MOV(1, A64_FP, A64_SP), ctx);
/* Save callee-saved register */
emit(A64_PUSH(r6, r7, A64_SP), ctx);
@@ -161,12 +192,15 @@ static void build_prologue(struct jit_ctx *ctx)
if (ctx->tmp_used)
emit(A64_PUSH(tmp1, tmp2, A64_SP), ctx);
- /* Set up BPF stack */
- emit(A64_SUB_I(1, A64_SP, A64_SP, stack_size), ctx);
+ /* Save fp (x25) and x26. SP requires 16 bytes alignment */
+ emit(A64_PUSH(fp, A64_R(26), A64_SP), ctx);
- /* Set up frame pointer */
+ /* Set up BPF prog stack base register (x25) */
emit(A64_MOV(1, fp, A64_SP), ctx);
+ /* Set up function call stack */
+ emit(A64_SUB_I(1, A64_SP, A64_SP, STACK_SIZE), ctx);
+
/* Clear registers A and X */
emit_a64_mov_i64(ra, 0, ctx);
emit_a64_mov_i64(rx, 0, ctx);
@@ -182,13 +216,12 @@ static void build_epilogue(struct jit_ctx *ctx)
const u8 fp = bpf2a64[BPF_REG_FP];
const u8 tmp1 = bpf2a64[TMP_REG_1];
const u8 tmp2 = bpf2a64[TMP_REG_2];
- int stack_size = MAX_BPF_STACK;
-
- stack_size += 4; /* extra for skb_copy_bits buffer */
- stack_size = STACK_ALIGN(stack_size);
/* We're done with BPF stack */
- emit(A64_ADD_I(1, A64_SP, A64_SP, stack_size), ctx);
+ emit(A64_ADD_I(1, A64_SP, A64_SP, STACK_SIZE), ctx);
+
+ /* Restore fs (x25) and x26 */
+ emit(A64_POP(fp, A64_R(26), A64_SP), ctx);
/* Restore callee-saved register */
if (ctx->tmp_used)
@@ -196,8 +229,8 @@ static void build_epilogue(struct jit_ctx *ctx)
emit(A64_POP(r8, r9, A64_SP), ctx);
emit(A64_POP(r6, r7, A64_SP), ctx);
- /* Restore frame pointer */
- emit(A64_MOV(1, fp, A64_SP), ctx);
+ /* Restore FP/LR registers */
+ emit(A64_POP(A64_FP, A64_LR, A64_SP), ctx);
/* Set return value */
emit(A64_MOV(1, A64_R(0), r0), ctx);
@@ -557,7 +590,25 @@ emit_cond_jmp:
case BPF_ST | BPF_MEM | BPF_H:
case BPF_ST | BPF_MEM | BPF_B:
case BPF_ST | BPF_MEM | BPF_DW:
- goto notyet;
+ /* Load imm to a register then store it */
+ ctx->tmp_used = 1;
+ emit_a64_mov_i(1, tmp2, off, ctx);
+ emit_a64_mov_i(1, tmp, imm, ctx);
+ switch (BPF_SIZE(code)) {
+ case BPF_W:
+ emit(A64_STR32(tmp, dst, tmp2), ctx);
+ break;
+ case BPF_H:
+ emit(A64_STRH(tmp, dst, tmp2), ctx);
+ break;
+ case BPF_B:
+ emit(A64_STRB(tmp, dst, tmp2), ctx);
+ break;
+ case BPF_DW:
+ emit(A64_STR64(tmp, dst, tmp2), ctx);
+ break;
+ }
+ break;
/* STX: *(size *)(dst + off) = src */
case BPF_STX | BPF_MEM | BPF_W:
@@ -624,7 +675,7 @@ emit_cond_jmp:
return -EINVAL;
}
emit_a64_mov_i64(r3, size, ctx);
- emit(A64_ADD_I(1, r4, fp, MAX_BPF_STACK), ctx);
+ emit(A64_SUB_I(1, r4, fp, STACK_SIZE), ctx);
emit_a64_mov_i64(r5, (unsigned long)bpf_load_pointer, ctx);
emit(A64_PUSH(A64_FP, A64_LR, A64_SP), ctx);
emit(A64_MOV(1, A64_FP, A64_SP), ctx);
@@ -758,7 +809,7 @@ void bpf_int_jit_compile(struct bpf_prog *prog)
if (bpf_jit_enable > 1)
bpf_jit_dump(prog->len, image_size, 2, ctx.image);
- bpf_flush_icache(ctx.image, ctx.image + ctx.idx);
+ bpf_flush_icache(header, ctx.image + ctx.idx);
set_memory_ro((unsigned long)header, header->pages);
prog->bpf_func = (void *)ctx.image;
diff --git a/arch/blackfin/kernel/perf_event.c b/arch/blackfin/kernel/perf_event.c
index 1e9c8b0bf486..170d786807c4 100644
--- a/arch/blackfin/kernel/perf_event.c
+++ b/arch/blackfin/kernel/perf_event.c
@@ -14,7 +14,7 @@
* Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
* Copyright (C) 2009 Jaswinder Singh Rajput
* Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter
- * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
+ * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra
* Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com>
*
* ppc:
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index db73390568c8..74c132d901bd 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
-#define NR_syscalls 322 /* length of syscall table */
+#define NR_syscalls 323 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 9038726e7d26..762edce7572e 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -335,5 +335,6 @@
#define __NR_userfaultfd 1343
#define __NR_membarrier 1344
#define __NR_kcmp 1345
+#define __NR_mlock2 1346
#endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index dcd97f84d065..534a74acb849 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1771,5 +1771,6 @@ sys_call_table:
data8 sys_userfaultfd
data8 sys_membarrier
data8 sys_kcmp // 1345
+ data8 sys_mlock2
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index f7836c6a6b60..c32f76791f48 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void)
memstart = PAGE_ALIGN(_ramstart);
min_low_pfn = PFN_DOWN(_rambase);
start_pfn = PFN_DOWN(memstart);
- max_low_pfn = PFN_DOWN(_ramend);
+ max_pfn = max_low_pfn = PFN_DOWN(_ramend);
high_memory = (void *)_ramend;
m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 0793a7f17417..f9d96bf86910 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 375
+#define NR_syscalls 376
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index 5e6fae6c275f..36cf129de663 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -380,5 +380,6 @@
#define __NR_sendmmsg 372
#define __NR_userfaultfd 373
#define __NR_membarrier 374
+#define __NR_mlock2 375
#endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c
index 88c27d94a721..76b9113f3092 100644
--- a/arch/m68k/kernel/setup_no.c
+++ b/arch/m68k/kernel/setup_no.c
@@ -238,11 +238,14 @@ void __init setup_arch(char **cmdline_p)
* Give all the memory to the bootmap allocator, tell it to put the
* boot mem_map at the start of memory.
*/
+ min_low_pfn = PFN_DOWN(memory_start);
+ max_pfn = max_low_pfn = PFN_DOWN(memory_end);
+
bootmap_size = init_bootmem_node(
NODE_DATA(0),
- memory_start >> PAGE_SHIFT, /* map goes here */
- PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
- memory_end >> PAGE_SHIFT);
+ min_low_pfn, /* map goes here */
+ PFN_DOWN(PAGE_OFFSET),
+ max_pfn);
/*
* Free the usable memory, we have to make sure we do not free
* the bootmem bitmap so we then reserve it after freeing it :-)
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 5dd0e80042f5..282cd903f4c4 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -395,3 +395,4 @@ ENTRY(sys_call_table)
.long sys_sendmmsg
.long sys_userfaultfd
.long sys_membarrier
+ .long sys_mlock2 /* 375 */
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index b958916e5eac..8f37fdd80be9 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -250,7 +250,7 @@ void __init paging_init(void)
high_memory = phys_to_virt(max_addr);
min_low_pfn = availmem >> PAGE_SHIFT;
- max_low_pfn = max_addr >> PAGE_SHIFT;
+ max_pfn = max_low_pfn = max_addr >> PAGE_SHIFT;
for (i = 0; i < m68k_num_memory; i++) {
addr = m68k_memory[i].addr;
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index a8b942bf7163..2a5f43a68ae3 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -118,13 +118,13 @@ static void __init sun3_bootmem_alloc(unsigned long memory_start,
memory_end = memory_end & PAGE_MASK;
start_page = __pa(memory_start) >> PAGE_SHIFT;
- num_pages = __pa(memory_end) >> PAGE_SHIFT;
+ max_pfn = num_pages = __pa(memory_end) >> PAGE_SHIFT;
high_memory = (void *)memory_end;
availmem = memory_start;
m68k_setup_node(0);
- availmem += init_bootmem_node(NODE_DATA(0), start_page, 0, num_pages);
+ availmem += init_bootmem(start_page, num_pages);
availmem = (availmem + (PAGE_SIZE-1)) & PAGE_MASK;
free_bootmem(__pa(availmem), memory_end - (availmem));
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index c89da6312954..bf4dec229437 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -61,7 +61,8 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
/* FIXME this part of code is untested */
for_each_sg(sgl, sg, nents, i) {
sg->dma_address = sg_phys(sg);
- __dma_sync(sg_phys(sg), sg->length, direction);
+ __dma_sync(page_to_phys(sg_page(sg)) + sg->offset,
+ sg->length, direction);
}
return nents;
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 1ba21204ebe0..8755d618e116 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -216,9 +216,9 @@ void __init plat_mem_setup(void)
AR71XX_RESET_SIZE);
ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
AR71XX_PLL_SIZE);
+ ath79_detect_sys_type();
ath79_ddr_ctrl_init();
- ath79_detect_sys_type();
if (mips_machtype != ATH79_MACH_GENERIC_OF)
detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
@@ -281,3 +281,8 @@ MIPS_MACHINE(ATH79_MACH_GENERIC,
"Generic",
"Generic AR71XX/AR724X/AR913X based board",
ath79_generic_init);
+
+MIPS_MACHINE(ATH79_MACH_GENERIC_OF,
+ "DTB",
+ "Generic AR71XX/AR724X/AR913X based board (DT)",
+ NULL);
diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi
index fb7734eadbf0..13d0439496a9 100644
--- a/arch/mips/boot/dts/qca/ar9132.dtsi
+++ b/