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-rw-r--r--arch/Kconfig18
-rw-r--r--arch/alpha/include/asm/a.out-core.h81
-rw-r--r--arch/alpha/include/asm/irq.h6
-rw-r--r--arch/alpha/include/asm/topology.h3
-rw-r--r--arch/alpha/include/asm/uaccess.h1
-rw-r--r--arch/alpha/include/asm/unistd.h21
-rw-r--r--arch/alpha/include/uapi/asm/mman.h4
-rw-r--r--arch/alpha/include/uapi/asm/socket.h49
-rw-r--r--arch/alpha/include/uapi/asm/unistd.h10
-rw-r--r--arch/alpha/kernel/core_cia.c5
-rw-r--r--arch/alpha/kernel/core_marvel.c6
-rw-r--r--arch/alpha/kernel/osf_sys.c5
-rw-r--r--arch/alpha/kernel/pci-noop.c13
-rw-r--r--arch/alpha/kernel/pci.c11
-rw-r--r--arch/alpha/kernel/pci_iommu.c16
-rw-r--r--arch/alpha/kernel/perf_event.c7
-rw-r--r--arch/alpha/kernel/setup.c2
-rw-r--r--arch/alpha/kernel/syscalls/syscall.tbl22
-rw-r--r--arch/alpha/mm/fault.c2
-rw-r--r--arch/arc/Kconfig24
-rw-r--r--arch/arc/configs/axs101_defconfig1
-rw-r--r--arch/arc/configs/axs103_defconfig1
-rw-r--r--arch/arc/configs/axs103_smp_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/hsdk_defconfig1
-rw-r--r--arch/arc/configs/nps_defconfig2
-rw-r--r--arch/arc/configs/nsim_700_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_hs_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/tb10x_defconfig1
-rw-r--r--arch/arc/configs/vdk_hs38_defconfig2
-rw-r--r--arch/arc/configs/vdk_hs38_smp_defconfig3
-rw-r--r--arch/arc/include/asm/Kbuild3
-rw-r--r--arch/arc/include/asm/arcregs.h20
-rw-r--r--arch/arc/include/asm/bitops.h6
-rw-r--r--arch/arc/include/asm/cache.h11
-rw-r--r--arch/arc/include/asm/dma-mapping.h13
-rw-r--r--arch/arc/include/asm/entry-arcv2.h54
-rw-r--r--arch/arc/include/asm/perf_event.h3
-rw-r--r--arch/arc/include/asm/uaccess.h8
-rw-r--r--arch/arc/include/uapi/asm/unistd.h2
-rw-r--r--arch/arc/kernel/entry-arcv2.S4
-rw-r--r--arch/arc/kernel/head.S16
-rw-r--r--arch/arc/kernel/intc-arcv2.c2
-rw-r--r--arch/arc/kernel/perf_event.c241
-rw-r--r--arch/arc/kernel/setup.c144
-rw-r--r--arch/arc/kernel/troubleshoot.c30
-rw-r--r--arch/arc/kernel/unwind.c3
-rw-r--r--arch/arc/lib/memcpy-archs.S14
-rw-r--r--arch/arc/lib/memset-archs.S40
-rw-r--r--arch/arc/mm/fault.c13
-rw-r--r--arch/arc/mm/highmem.c4
-rw-r--r--arch/arc/mm/init.c3
-rw-r--r--arch/arc/plat-hsdk/Kconfig1
-rw-r--r--arch/arm/Kconfig11
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/boot/dts/Makefile16
-rw-r--r--arch/arm/boot/dts/alphascale-asm9260.dtsi3
-rw-r--r--arch/arm/boot/dts/alpine.dtsi8
-rw-r--r--arch/arm/boot/dts/am335x-baltos-ir2110.dts4
-rw-r--r--arch/arm/boot/dts/am335x-baltos-ir3220.dts4
-rw-r--r--arch/arm/boot/dts/am335x-baltos-ir5221.dts4
-rw-r--r--arch/arm/boot/dts/am335x-chiliboard.dts8
-rw-r--r--arch/arm/boot/dts/am335x-evm.dts2
-rw-r--r--arch/arm/boot/dts/am335x-evmsk.dts4
-rw-r--r--arch/arm/boot/dts/am335x-guardian.dts511
-rw-r--r--arch/arm/boot/dts/am335x-icev2.dts4
-rw-r--r--arch/arm/boot/dts/am335x-igep0033.dtsi4
-rw-r--r--arch/arm/boot/dts/am335x-lxm.dts4
-rw-r--r--arch/arm/boot/dts/am335x-moxa-uc-2100-common.dtsi5
-rw-r--r--arch/arm/boot/dts/am335x-moxa-uc-8100-me-t.dts5
-rw-r--r--arch/arm/boot/dts/am335x-phycore-som.dtsi4
-rw-r--r--arch/arm/boot/dts/am335x-shc.dts6
-rw-r--r--arch/arm/boot/dts/am33xx-l4.dtsi17
-rw-r--r--arch/arm/boot/dts/am3874-iceboard.dts496
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts2
-rw-r--r--arch/arm/boot/dts/am437x-l4.dtsi17
-rw-r--r--arch/arm/boot/dts/am43x-epos-evm.dts5
-rw-r--r--arch/arm/boot/dts/arm-realview-eb.dtsi4
-rw-r--r--arch/arm/boot/dts/arm-realview-pb1176.dts4
-rw-r--r--arch/arm/boot/dts/arm-realview-pb11mp.dts4
-rw-r--r--arch/arm/boot/dts/arm-realview-pbx.dtsi4
-rw-r--r--arch/arm/boot/dts/armada-370-rd.dts42
-rw-r--r--arch/arm/boot/dts/armada-388-clearfog.dts58
-rw-r--r--arch/arm/boot/dts/armada-388-clearfog.dtsi2
-rw-r--r--arch/arm/boot/dts/armada-38x.dtsi41
-rw-r--r--arch/arm/boot/dts/armada-39x.dtsi3
-rw-r--r--arch/arm/boot/dts/armada-xp-db.dts46
-rw-r--r--arch/arm/boot/dts/armada-xp-gp.dts13
-rw-r--r--arch/arm/boot/dts/armada-xp-lenovo-ix4-300d.dts85
-rw-r--r--arch/arm/boot/dts/armada-xp-linksys-mamba.dts47
-rw-r--r--arch/arm/boot/dts/artpec6.dtsi3
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-arm-stardragon4800-rep2.dts10
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts55
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-inspur-on5263m5.dts145
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts5
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-quanta-q71l.dts8
-rw-r--r--arch/arm/boot/dts/aspeed-g4.dtsi1
-rw-r--r--arch/arm/boot/dts/aspeed-g5.dtsi41
-rw-r--r--arch/arm/boot/dts/at91-nattis-2-natte-2.dts2
-rw-r--r--arch/arm/boot/dts/at91-sama5d27_som1.dtsi30
-rw-r--r--arch/arm/boot/dts/at91-sama5d27_som1_ek.dts4
-rw-r--r--arch/arm/boot/dts/at91-wb45n.dts2
-rw-r--r--arch/arm/boot/dts/at91-wb50n.dts4
-rw-r--r--arch/arm/boot/dts/at91rm9200.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9260.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9261.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9263.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9g45.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9n12.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9rl.dtsi4
-rw-r--r--arch/arm/boot/dts/at91sam9x5.dtsi4
-rw-r--r--arch/arm/boot/dts/atlas6-evb.dts1
-rw-r--r--arch/arm/boot/dts/atlas6.dtsi1
-rw-r--r--arch/arm/boot/dts/atlas7.dtsi1
-rw-r--r--arch/arm/boot/dts/axm55xx.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm-cygnus.dtsi9
-rw-r--r--arch/arm/boot/dts/bcm-nsp.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm11351.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm21664-garnet.dts1
-rw-r--r--arch/arm/boot/dts/bcm21664.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm23550-sparrow.dts1
-rw-r--r--arch/arm/boot/dts/bcm23550.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm28155-ap.dts1
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-a-plus.dts4
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-b-plus.dts4
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-zero-w.dts11
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi-zero.dts4
-rw-r--r--arch/arm/boot/dts/bcm2835-rpi.dtsi8
-rw-r--r--arch/arm/boot/dts/bcm2836-rpi-2-b.dts68
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts175
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts74
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-3-b.dts74
-rw-r--r--arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi2
-rw-r--r--arch/arm/boot/dts/bcm283x.dtsi17
-rw-r--r--arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts1
-rw-r--r--arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts1
-rw-r--r--arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts1
-rw-r--r--arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts1
-rw-r--r--arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts1
-rw-r--r--arch/arm/boot/dts/bcm47081-tplink-archer-c5-v2.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-linksys-panamera.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-netgear-r8500.dts1
-rw-r--r--arch/arm/boot/dts/bcm47094-phicomm-k3.dts71
-rw-r--r--arch/arm/boot/dts/bcm47189-luxul-xap-1440.dts4
-rw-r--r--arch/arm/boot/dts/bcm47189-luxul-xap-810.dts4
-rw-r--r--arch/arm/boot/dts/bcm47189-tenda-ac9.dts1
-rw-r--r--arch/arm/boot/dts/bcm5301x.dtsi3
-rw-r--r--arch/arm/boot/dts/bcm53340-ubnt-unifi-switch8.dts1
-rw-r--r--arch/arm/boot/dts/bcm53573.dtsi3
-rw-r--r--arch/arm/boot/dts/bcm63138.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm7445.dtsi2
-rw-r--r--arch/arm/boot/dts/bcm947189acdbmr.dts1
-rw-r--r--arch/arm/boot/dts/bcm953012er.dts1
-rw-r--r--arch/arm/boot/dts/bcm953012hr.dts1
-rw-r--r--arch/arm/boot/dts/bcm953012k.dts1
-rw-r--r--arch/arm/boot/dts/cx92755.dtsi4
-rw-r--r--arch/arm/boot/dts/da850-evm.dts31
-rw-r--r--arch/arm/boot/dts/da850-lcdk.dts48
-rw-r--r--arch/arm/boot/dts/da850.dtsi2
-rw-r--r--arch/arm/boot/dts/dm814x.dtsi79
-rw-r--r--arch/arm/boot/dts/dove.dtsi4
-rw-r--r--arch/arm/boot/dts/dra7-l4.dtsi15
-rw-r--r--arch/arm/boot/dts/ep7209.dtsi4
-rw-r--r--arch/arm/boot/dts/ep7211-edb7211.dts1
-rw-r--r--arch/arm/boot/dts/exynos3250.dtsi3
-rw-r--r--arch/arm/boot/dts/exynos4412-odroid-common.dtsi14
-rw-r--r--arch/arm/boot/dts/exynos4412-odroidx.dts2
-rw-r--r--arch/arm/boot/dts/exynos5250-arndale.dts4
-rw-r--r--arch/arm/boot/dts/exynos5422-odroid-core.dtsi7
-rw-r--r--arch/arm/boot/dts/exynos5422-odroidxu3-audio.dtsi6
-rw-r--r--arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi5
-rw-r--r--arch/arm/boot/dts/exynos5422-odroidxu3-lite.dts8
-rw-r--r--arch/arm/boot/dts/exynos5422-odroidxu4.dts4
-rw-r--r--arch/arm/boot/dts/gemini-dlink-dir-685.dts2
-rw-r--r--arch/arm/boot/dts/imx27.dtsi2
-rw-r--r--arch/arm/boot/dts/imx51-digi-connectcore-jsk.dts16
-rw-r--r--arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi34
-rw-r--r--arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi555
-rw-r--r--arch/arm/boot/dts/imx6-logicpd-som.dtsi365
-rw-r--r--arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts5
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-common.dtsi595
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-draco.dts58
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-hydra.dts50
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-ursa.dts54
-rw-r--r--arch/arm/boot/dts/imx6q-logicpd.dts120
-rw-r--r--arch/arm/boot/dts/imx6q-pistachio.dts2
-rw-r--r--arch/arm/boot/dts/imx6q-tbs2910.dts49
-rw-r--r--arch/arm/boot/dts/imx6qdl-apalis.dtsi26
-rw-r--r--arch/arm/boot/dts/imx6qdl-colibri.dtsi26
-rw-r--r--arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi14
-rw-r--r--arch/arm/boot/dts/imx6qdl-sabresd.dtsi6
-rw-r--r--arch/arm/boot/dts/imx6sl.dtsi8
-rw-r--r--arch/arm/boot/dts/imx6sll-evk.dts2
-rw-r--r--arch/arm/boot/dts/imx6sx.dtsi21
-rw-r--r--arch/arm/boot/dts/imx6ul-phytec-pcl063.dtsi148
-rw-r--r--arch/arm/boot/dts/imx6ul-phytec-peb-eval-01.dtsi55
-rw-r--r--arch/arm/boot/dts/imx6ul-phytec-phyboard-segin-full.dts89
-rw-r--r--arch/arm/boot/dts/imx6ul-phytec-phyboard-segin.dtsi329
-rw-r--r--arch/arm/boot/dts/imx6ull-colibri.dtsi8
-rw-r--r--arch/arm/boot/dts/imx6ull.dtsi12
-rw-r--r--arch/arm/boot/dts/imx7d.dtsi9
-rw-r--r--arch/arm/boot/dts/imx7ulp.dtsi19
-rw-r--r--arch/arm/boot/dts/integrator.dtsi10
-rw-r--r--arch/arm/boot/dts/integratorcp.dts89
-rw-r--r--arch/arm/boot/dts/kirkwood-dir665.dts47
-rw-r--r--arch/arm/boot/dts/kirkwood-dnskw.dtsi4
-rw-r--r--arch/arm/boot/dts/kirkwood-linksys-viper.dts47
-rw-r--r--arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts47
-rw-r--r--arch/arm/boot/dts/kirkwood-rd88f6281-z0.dts9
-rw-r--r--arch/arm/boot/dts/kirkwood-rd88f6281.dtsi41
-rw-r--r--arch/arm/boot/dts/kirkwood.dtsi3
-rw-r--r--arch/arm/boot/dts/lpc3250-ea3250.dts20
-rw-r--r--arch/arm/boot/dts/lpc3250-phy3250.dts87
-rw-r--r--arch/arm/boot/dts/lpc32xx.dtsi32
-rw-r--r--arch/arm/boot/dts/lpc4350-hitex-eval.dts2
-rw-r--r--arch/arm/boot/dts/lpc4357-ea4357-devkit.dts2
-rw-r--r--arch/arm/boot/dts/lpc4357-myd-lpc4357.dts619
-rw-r--r--arch/arm/boot/dts/ls1021a-moxa-uc-8410a.dts1
-rw-r--r--arch/arm/boot/dts/ls1021a-qds.dts1
-rw-r--r--arch/arm/boot/dts/ls1021a-twr.dts1
-rw-r--r--arch/arm/boot/dts/ls1021a.dtsi19
-rw-r--r--arch/arm/boot/dts/meson.dtsi12
-rw-r--r--arch/arm/boot/dts/meson6-atv1200.dts1
-rw-r--r--arch/arm/boot/dts/meson6.dtsi8
-rw-r--r--arch/arm/boot/dts/meson8-minix-neo-x8.dts1
-rw-r--r--arch/arm/boot/dts/meson8.dtsi89
-rw-r--r--arch/arm/boot/dts/meson8b-ec100.dts131
-rw-r--r--arch/arm/boot/dts/meson8b-mxq.dts1
-rw-r--r--arch/arm/boot/dts/meson8b-odroidc1.dts10
-rw-r--r--arch/arm/boot/dts/meson8b.dtsi83
-rw-r--r--arch/arm/boot/dts/meson8m2-mxiii-plus.dts9
-rw-r--r--arch/arm/boot/dts/meson8m2.dtsi4
-rw-r--r--arch/arm/boot/dts/milbeaut-m10v-evb.dts32
-rw-r--r--arch/arm/boot/dts/milbeaut-m10v.dtsi95
-rw-r--r--arch/arm/boot/dts/mmp2-brownstone.dts1
-rw-r--r--arch/arm/boot/dts/mmp2.dtsi4
-rw-r--r--arch/arm/boot/dts/motorola-cpcap-mapphone.dtsi2
-rw-r--r--arch/arm/boot/dts/moxart.dtsi3
-rw-r--r--arch/arm/boot/dts/mps2.dtsi6
-rw-r--r--arch/arm/boot/dts/mt2701-evb.dts1
-rw-r--r--arch/arm/boot/dts/mt2701.dtsi3
-rw-r--r--arch/arm/boot/dts/mt6580-evbp1.dts1
-rw-r--r--arch/arm/boot/dts/mt6580.dtsi1
-rw-r--r--arch/arm/boot/dts/mt6589-aquaris5.dts1
-rw-r--r--arch/arm/boot/dts/mt6589.dtsi3
-rw-r--r--arch/arm/boot/dts/mt6592-evb.dts2
-rw-r--r--arch/arm/boot/dts/mt6592.dtsi3
-rw-r--r--arch/arm/boot/dts/mt7623.dtsi15
-rw-r--r--arch/arm/boot/dts/mt8127-moose.dts1
-rw-r--r--arch/arm/boot/dts/mt8127.dtsi3
-rw-r--r--arch/arm/boot/dts/mt8135-evbp1.dts1
-rw-r--r--arch/arm/boot/dts/mt8135.dtsi3
-rw-r--r--arch/arm/boot/dts/nspire.dtsi4
-rw-r--r--arch/arm/boot/dts/omap3-evm-common.dtsi7
-rw-r--r--arch/arm/boot/dts/omap3-evm-processor-common.dtsi10
-rw-r--r--arch/arm/boot/dts/omap3-gta04.dtsi43
-rw-r--r--arch/arm/boot/dts/omap3-gta04a5.dts2
-rw-r--r--arch/arm/boot/dts/omap3-n900.dts2
-rw-r--r--arch/arm/boot/dts/omap3-n950-n9.dtsi42
-rw-r--r--arch/arm/boot/dts/omap4-droid4-xt894.dts21
-rw-r--r--arch/arm/boot/dts/omap4-panda-common.dtsi6
-rw-r--r--arch/arm/boot/dts/omap4-sdp.dts30
-rw-r--r--arch/arm/boot/dts/omap5-board-common.dtsi9
-rw-r--r--arch/arm/boot/dts/omap5-cm-t54.dts12
-rw-r--r--arch/arm/boot/dts/omap5-l4.dtsi2
-rw-r--r--arch/arm/boot/dts/orion5x-lacie-d2-network.dts1
-rw-r--r--arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts1
-rw-r--r--arch/arm/boot/dts/orion5x-lswsgl.dts1
-rw-r--r--arch/arm/boot/dts/orion5x-maxtor-shared-storage-2.dts1
-rw-r--r--arch/arm/boot/dts/orion5x-netgear-wnr854t.dts1
-rw-r--r--arch/arm/boot/dts/orion5x-rd88f5182-nas.dts1
-rw-r--r--arch/arm/boot/dts/orion5x.dtsi4
-rw-r--r--arch/arm/boot/dts/ox810se.dtsi4
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-rw-r--r--arch/s390/kernel/debug.c6
-rw-r--r--arch/s390/kernel/diag.c1
-rw-r--r--arch/s390/kernel/early.c6
-rw-r--r--arch/s390/kernel/entry.S4
-rw-r--r--arch/s390/kernel/head64.S2
-rw-r--r--arch/s390/kernel/kdebugfs.c2
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c224
-rw-r--r--arch/s390/kernel/perf_cpum_cf_common.c201
-rw-r--r--arch/s390/kernel/perf_cpum_cf_diag.c693
-rw-r--r--arch/s390/kernel/perf_cpum_cf_events.c1
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c6
-rw-r--r--arch/s390/kernel/setup.c78
-rw-r--r--arch/s390/kernel/smp.c20
-rw-r--r--arch/s390/kernel/swsusp.S10
-rw-r--r--arch/s390/kernel/sys_s390.c16
-rw-r--r--arch/s390/kernel/syscalls/syscall.tbl373
-rw-r--r--arch/s390/kernel/sysinfo.c2
-rw-r--r--arch/s390/kernel/topology.c6
-rw-r--r--arch/s390/kernel/vdso.c7
-rw-r--r--arch/s390/kernel/vtime.c4
-rw-r--r--arch/s390/kvm/vsie.c2
-rw-r--r--arch/s390/lib/string.c28
-rw-r--r--arch/s390/mm/extmem.c133
-rw-r--r--arch/s390/mm/kasan_init.c2
-rw-r--r--arch/s390/mm/mmap.c33
-rw-r--r--arch/s390/mm/pgtable.c10
-rw-r--r--arch/s390/net/bpf_jit_comp.c70
-rw-r--r--arch/s390/net/pnet.c11
-rw-r--r--arch/s390/numa/mode_emu.c3
-rw-r--r--arch/s390/numa/numa.c20
-rw-r--r--arch/s390/pci/pci.c26
-rw-r--r--arch/s390/pci/pci_debug.c15
-rw-r--r--arch/s390/scripts/Makefile.chkbss25
-rw-r--r--arch/sh/Kconfig3
-rw-r--r--arch/sh/boards/mach-ap325rxa/setup.c10
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c18
-rw-r--r--arch/sh/boards/mach-kfr2r09/setup.c10
-rw-r--r--arch/sh/boards/mach-migor/setup.c11
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c16
-rw-r--r--arch/sh/boot/dts/Makefile2
-rw-r--r--arch/sh/configs/apsh4a3a_defconfig1
-rw-r--r--arch/sh/configs/edosk7705_defconfig1
-rw-r--r--arch/sh/configs/espt_defconfig1
-rw-r--r--arch/sh/configs/sdk7786_defconfig1
-rw-r--r--arch/sh/configs/sh2007_defconfig1
-rw-r--r--arch/sh/configs/sh7724_generic_defconfig1
-rw-r--r--arch/sh/configs/sh7763rdp_defconfig1
-rw-r--r--arch/sh/configs/sh7770_generic_defconfig1
-rw-r--r--arch/sh/configs/sh7785lcr_defconfig1
-rw-r--r--arch/sh/configs/ul2_defconfig1
-rw-r--r--arch/sh/configs/urquell_defconfig1
-rw-r--r--arch/sh/drivers/pci/fixups-dreamcast.c3
-rw-r--r--arch/sh/include/asm/segment.h1
-rw-r--r--arch/sh/include/asm/unistd.h4
-rw-r--r--arch/sh/include/uapi/asm/unistd_32.h403
-rw-r--r--arch/sh/kernel/machine_kexec.c3
-rw-r--r--arch/sh/kernel/syscalls/syscall.tbl88
-rw-r--r--arch/sh/kernel/syscalls/syscalltbl.sh4
-rw-r--r--arch/sh/kernel/syscalls_32.S2
-rw-r--r--arch/sh/mm/init.c24
-rw-r--r--arch/sh/mm/numa.c9
-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/configs/sparc32_defconfig1
-rw-r--r--arch/sparc/configs/sparc64_defconfig1
-rw-r--r--arch/sparc/crypto/des_glue.c4
-rw-r--r--arch/sparc/include/asm/uaccess_32.h1
-rw-r--r--arch/sparc/include/asm/uaccess_64.h1
-rw-r--r--arch/sparc/include/asm/unistd.h13
-rw-r--r--arch/sparc/include/uapi/asm/posix_types.h10
-rw-r--r--arch/sparc/include/uapi/asm/socket.h51
-rw-r--r--arch/sparc/kernel/iommu.c13
-rw-r--r--arch/sparc/kernel/kernel.h6
-rw-r--r--arch/sparc/kernel/pci.c46
-rw-r--r--arch/sparc/kernel/pci_fire.c3
-rw-r--r--arch/sparc/kernel/pci_schizo.c3
-rw-r--r--arch/sparc/kernel/pci_sun4v.c18
-rw-r--r--arch/sparc/kernel/prom_32.c6
-rw-r--r--arch/sparc/kernel/prom_64.c7
-rw-r--r--arch/sparc/kernel/psycho_common.c3
-rw-r--r--arch/sparc/kernel/sbus.c3
-rw-r--r--arch/sparc/kernel/setup_64.c6
-rw-r--r--arch/sparc/kernel/smp_64.c12
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c61
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl116
-rw-r--r--arch/sparc/mm/init_32.c2
-rw-r--r--arch/sparc/mm/init_64.c26
-rw-r--r--arch/sparc/mm/srmmu.c18
-rw-r--r--arch/um/drivers/net_kern.c3
-rw-r--r--arch/um/drivers/vector_kern.c3
-rw-r--r--arch/um/include/asm/a.out-core.h27
-rw-r--r--arch/um/kernel/initrd.c2
-rw-r--r--arch/um/kernel/mem.c16
-rw-r--r--arch/unicore32/Kconfig2
-rw-r--r--arch/unicore32/include/asm/Kbuild1
-rw-r--r--arch/unicore32/include/uapi/asm/unistd.h4
-rw-r--r--arch/unicore32/kernel/setup.c4
-rw-r--r--arch/unicore32/mm/init.c24
-rw-r--r--arch/unicore32/mm/mmu.c25
-rw-r--r--arch/x86/Kconfig19
-rw-r--r--arch/x86/Kconfig.debug10
-rw-r--r--arch/x86/Makefile6
-rw-r--r--arch/x86/boot/Makefile2
-rw-r--r--arch/x86/boot/compressed/Makefile2
-rw-r--r--arch/x86/boot/compressed/acpi.c338
-rw-r--r--arch/x86/boot/compressed/cmdline.c4
-rw-r--r--arch/x86/boot/compressed/head_64.S21
-rw-r--r--arch/x86/boot/compressed/kaslr.c75
-rw-r--r--arch/x86/boot/compressed/misc.c3
-rw-r--r--arch/x86/boot/compressed/misc.h23
-rw-r--r--arch/x86/boot/compressed/pgtable.h2
-rw-r--r--arch/x86/boot/compressed/pgtable_64.c19
-rw-r--r--arch/x86/boot/compressed/vmlinux.lds.S2
-rw-r--r--arch/x86/boot/setup.ld2
-rw-r--r--arch/x86/boot/string.c141
-rw-r--r--arch/x86/boot/string.h1
-rw-r--r--arch/x86/configs/i386_defconfig3
-rw-r--r--arch/x86/configs/x86_64_defconfig4
-rw-r--r--arch/x86/crypto/aegis128-aesni-glue.c38
-rw-r--r--arch/x86/crypto/aegis128l-aesni-glue.c38
-rw-r--r--arch/x86/crypto/aegis256-aesni-glue.c38
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c47
-rw-r--r--arch/x86/crypto/crct10dif-pcl-asm_64.S782
-rw-r--r--arch/x86/crypto/crct10dif-pclmul_glue.c12
-rw-r--r--arch/x86/crypto/morus1280_glue.c40
-rw-r--r--arch/x86/crypto/morus640_glue.c39
-rw-r--r--arch/x86/crypto/poly1305-sse2-x86_64.S4
-rw-r--r--arch/x86/entry/entry_64_compat.S6
-rw-r--r--arch/x86/entry/syscalls/syscall_32.tbl88
-rw-r--r--arch/x86/entry/syscalls/syscall_64.tbl9
-rw-r--r--arch/x86/events/amd/ibs.c13
-rw-r--r--arch/x86/events/amd/iommu.c6
-rw-r--r--arch/x86/events/amd/power.c10
-rw-r--r--arch/x86/events/amd/uncore.c7
-rw-r--r--arch/x86/events/core.c27
-rw-r--r--arch/x86/events/intel/bts.c4
-rw-r--r--arch/x86/events/intel/core.c312
-rw-r--r--arch/x86/events/intel/cstate.c12
-rw-r--r--arch/x86/events/intel/ds.c2
-rw-r--r--arch/x86/events/intel/lbr.c1
-rw-r--r--arch/x86/events/intel/pt.c14
-rw-r--r--arch/x86/events/intel/rapl.c9
-rw-r--r--arch/x86/events/intel/uncore.c10
-rw-r--r--arch/x86/events/intel/uncore.h12
-rw-r--r--arch/x86/events/intel/uncore_snb.c13
-rw-r--r--arch/x86/events/intel/uncore_snbep.c4
-rw-r--r--arch/x86/events/msr.c10
-rw-r--r--arch/x86/events/perf_event.h48
-rw-r--r--arch/x86/hyperv/hv_init.c8
-rw-r--r--arch/x86/ia32/ia32_aout.c157
-rw-r--r--arch/x86/include/asm/a.out-core.h67
-rw-r--r--arch/x86/include/asm/alternative.h39
-rw-r--r--arch/x86/include/asm/asm-prototypes.h1
-rw-r--r--arch/x86/include/asm/cpu_device_id.h28
-rw-r--r--arch/x86/include/asm/cpufeatures.h1
-rw-r--r--arch/x86/include/asm/efi.h1
-rw-r--r--arch/x86/include/asm/fpu/internal.h57
-rw-r--r--arch/x86/include/asm/fpu/types.h7
-rw-r--r--arch/x86/include/asm/hyperv-tlfs.h2
-rw-r--r--arch/x86/include/asm/intel-family.h5
-rw-r--r--arch/x86/include/asm/kvm_host.h2
-rw-r--r--arch/x86/include/asm/mce.h7
-rw-r--r--arch/x86/include/asm/mmu_context.h18
-rw-r--r--arch/x86/include/asm/msr-index.h6
-rw-r--r--arch/x86/include/asm/msr.h16
-rw-r--r--arch/x86/include/asm/paravirt.h13
-rw-r--r--arch/x86/include/asm/paravirt_types.h5
-rw-r--r--arch/x86/include/asm/pci.h3
-rw-r--r--arch/x86/include/asm/pgtable.h2
-rw-r--r--arch/x86/include/asm/pgtable_64.h3
-rw-r--r--arch/x86/include/asm/processor.h1
-rw-r--r--arch/x86/include/asm/refcount.h22
-rw-r--r--arch/x86/include/asm/resctrl_sched.h4
-rw-r--r--arch/x86/include/asm/uaccess.h36
-rw-r--r--arch/x86/include/asm/unistd.h8
-rw-r--r--arch/x86/include/asm/unwind.h6
-rw-r--r--arch/x86/include/asm/uv/bios.h13
-rw-r--r--arch/x86/include/asm/xen/hypercall.h13
-rw-r--r--arch/x86/include/uapi/asm/Kbuild1
-rw-r--r--arch/x86/include/uapi/asm/socket.h1
-rw-r--r--arch/x86/kernel/acpi/boot.c3
-rw-r--r--arch/x86/kernel/acpi/wakeup_32.S2
-rw-r--r--arch/x86/kernel/acpi/wakeup_64.S12
-rw-r--r--arch/x86/kernel/alternative.c7
-rw-r--r--arch/x86/kernel/apic/io_apic.c7
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c7
-rw-r--r--arch/x86/kernel/cpu/Makefile2
-rw-r--r--arch/x86/kernel/cpu/amd.c8
-rw-r--r--arch/x86/kernel/cpu/bugs.c16
-rw-r--r--arch/x86/kernel/cpu/cacheinfo.c1
-rw-r--r--arch/x86/kernel/cpu/match.c31
-rw-r--r--arch/x86/kernel/cpu/mce/amd.c62
-rw-r--r--arch/x86/kernel/cpu/mce/apei.c10
-rw-r--r--arch/x86/kernel/cpu/mce/core.c31
-rw-r--r--arch/x86/kernel/cpu/mce/severity.c5
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c2
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c12
-rw-r--r--arch/x86/kernel/cpu/mtrr/cleanup.c3
-rw-r--r--arch/x86/kernel/cpu/resctrl/Makefile4
-rw-r--r--arch/x86/kernel/cpu/resctrl/internal.h16
-rw-r--r--arch/x86/kernel/cpu/resctrl/pseudo_lock.c7
-rw-r--r--arch/x86/kernel/cpu/resctrl/rdtgroup.c185
-rw-r--r--arch/x86/kernel/crash.c1
-rw-r--r--arch/x86/kernel/e820.c19
-rw-r--r--arch/x86/kernel/early_printk.c4
-rw-r--r--arch/x86/kernel/fpu/xstate.c2
-rw-r--r--arch/x86/kernel/ftrace.c45
-rw-r--r--arch/x86/kernel/hpet.c4
-rw-r--r--arch/x86/kernel/hw_breakpoint.c5
-rw-r--r--arch/x86/kernel/kexec-bzimage64.c23
-rw-r--r--arch/x86/kernel/kgdb.c1
-rw-r--r--arch/x86/kernel/kprobes/core.c7
-rw-r--r--arch/x86/kernel/kprobes/opt.c4
-rw-r--r--arch/x86/kernel/kvm.c7
-rw-r--r--arch/x86/kernel/machine_kexec_64.c3
-rw-r--r--arch/x86/kernel/process.c12
-rw-r--r--arch/x86/kernel/setup_percpu.c12
-rw-r--r--arch/x86/kernel/smpboot.c10
-rw-r--r--arch/x86/kernel/traps.c6
-rw-r--r--arch/x86/kernel/tsc.c30
-rw-r--r--arch/x86/kernel/unwind_frame.c25
-rw-r--r--arch/x86/kernel/unwind_orc.c17
-rw-r--r--arch/x86/kernel/uprobes.c1
-rw-r--r--arch/x86/kernel/vmlinux.lds.S4
-rw-r--r--arch/x86/kvm/Makefile4
-rw-r--r--arch/x86/kvm/cpuid.c4
-rw-r--r--arch/x86/kvm/hyperv.c7
-rw-r--r--arch/x86/kvm/lapic.c2
-rw-r--r--arch/x86/kvm/mmu.c19
-rw-r--r--arch/x86/kvm/svm.c34
-rw-r--r--arch/x86/kvm/trace.h2
-rw-r--r--arch/x86/kvm/vmx/evmcs.c7
-rw-r--r--arch/x86/kvm/vmx/nested.c30
-rw-r--r--arch/x86/kvm/vmx/vmx.c183
-rw-r--r--arch/x86/kvm/vmx/vmx.h10
-rw-r--r--arch/x86/kvm/x86.c17
-rw-r--r--arch/x86/lib/insn-eval.c2
-rw-r--r--arch/x86/lib/iomem.c33
-rw-r--r--arch/x86/lib/kaslr.c4
-rw-r--r--arch/x86/lib/usercopy_32.c8
-rw-r--r--arch/x86/mm/cpu_entry_area.c2
-rw-r--r--arch/x86/mm/dump_pagetables.c2
-rw-r--r--arch/x86/mm/extable.c59
-rw-r--r--arch/x86/mm/fault.c4
-rw-r--r--arch/x86/mm/ioremap.c4
-rw-r--r--arch/x86/mm/kasan_init_64.c14
-rw-r--r--arch/x86/mm/mem_encrypt_identity.c4
-rw-r--r--arch/x86/mm/mpx.c2
-rw-r--r--arch/x86/mm/numa.c16
-rw-r--r--arch/x86/mm/pageattr.c54
-rw-r--r--arch/x86/mm/tlb.c3
-rw-r--r--arch/x86/net/bpf_jit_comp.c46
-rw-r--r--arch/x86/net/bpf_jit_comp32.c121
-rw-r--r--arch/x86/pci/fixup.c16
-rw-r--r--arch/x86/platform/efi/Makefile1
-rw-r--r--arch/x86/platform/efi/early_printk.c240
-rw-r--r--arch/x86/platform/efi/quirks.c6
-rw-r--r--arch/x86/platform/intel-mid/device_libs/platform_bcm43xx.c1
-rw-r--r--arch/x86/platform/olpc/olpc_dt.c3
-rw-r--r--arch/x86/platform/uv/bios_uv.c35
-rw-r--r--arch/x86/platform/uv/tlb_uv.c8
-rw-r--r--arch/x86/realmode/rm/Makefile5
-rw-r--r--arch/x86/realmode/rm/realmode.lds.S2
-rw-r--r--arch/x86/um/Kconfig2
-rw-r--r--arch/x86/xen/enlighten_pv.c5
-rw-r--r--arch/x86/xen/mmu.h4
-rw-r--r--arch/x86/xen/mmu_pv.c21
-rw-r--r--arch/x86/xen/p2m.c11
-rw-r--r--arch/x86/xen/setup.c13
-rw-r--r--arch/x86/xen/time.c12
-rw-r--r--arch/xtensa/Kconfig8
-rw-r--r--arch/xtensa/boot/dts/Makefile6
-rw-r--r--arch/xtensa/configs/audio_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/cadence_csp_defconfig2
-rw-r--r--arch/xtensa/configs/generic_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/nommu_kc705_defconfig2
-rw-r--r--arch/xtensa/configs/smp_lx200_defconfig3
-rw-r--r--arch/xtensa/include/asm/Kbuild3
-rw-r--r--arch/xtensa/include/asm/asm-uaccess.h2
-rw-r--r--arch/xtensa/include/asm/cmpxchg.h36
-rw-r--r--arch/xtensa/include/asm/spinlock.h185
-rw-r--r--arch/xtensa/include/asm/spinlock_types.h15
-rw-r--r--arch/xtensa/include/asm/thread_info.h9
-rw-r--r--arch/xtensa/include/asm/uaccess.h1
-rw-r--r--arch/xtensa/include/asm/unistd.h14
-rw-r--r--arch/xtensa/include/uapi/asm/Kbuild1
-rw-r--r--arch/xtensa/include/uapi/asm/mman.h4
-rw-r--r--arch/xtensa/include/uapi/asm/socket.h122
-rw-r--r--arch/xtensa/kernel/head.S5
-rw-r--r--arch/xtensa/kernel/process.c6
-rw-r--r--arch/xtensa/kernel/smp.c79
-rw-r--r--arch/xtensa/kernel/syscalls/syscall.tbl78
-rw-r--r--arch/xtensa/kernel/time.c55
-rw-r--r--arch/xtensa/kernel/traps.c5
-rw-r--r--arch/xtensa/mm/kasan_init.c10
-rw-r--r--arch/xtensa/mm/mmu.c3
1810 files changed, 41360 insertions, 21756 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 4cfb6de48f79..33687dddd86a 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -276,6 +276,16 @@ config ARCH_THREAD_STACK_ALLOCATOR
config ARCH_WANTS_DYNAMIC_TASK_STRUCT
bool
+config ARCH_32BIT_OFF_T
+ bool
+ depends on !64BIT
+ help
+ All new 32-bit architectures should have 64-bit off_t type on
+ userspace side which corresponds to the loff_t kernel type. This
+ is the requirement for modern ABIs. Some existing architectures
+ still support 32-bit off_t. This option is enabled for all such
+ architectures explicitly.
+
config HAVE_REGS_AND_STACK_ACCESS_API
bool
help
@@ -701,6 +711,9 @@ config HAVE_ARCH_HASH
file which provides platform-specific implementations of some
functions in <linux/hash.h> or fs/namei.c.
+config HAVE_ARCH_NVRAM_OPS
+ bool
+
config ISA_BUS_API
def_bool ISA
@@ -759,7 +772,7 @@ config 64BIT_TIME
handling.
config COMPAT_32BIT_TIME
- def_bool (!64BIT && 64BIT_TIME) || COMPAT
+ def_bool !64BIT || COMPAT
help
This enables 32 bit time_t support in addition to 64 bit time_t support.
This is relevant on all 32-bit architectures, and 64-bit architectures
@@ -885,6 +898,9 @@ config HAVE_ARCH_PREL32_RELOCATIONS
architectures, and don't require runtime relocation on relocatable
kernels.
+config ARCH_USE_MEMREMAP_PROT
+ bool
+
source "kernel/gcov/Kconfig"
source "scripts/gcc-plugins/Kconfig"
diff --git a/arch/alpha/include/asm/a.out-core.h b/arch/alpha/include/asm/a.out-core.h
deleted file mode 100644
index 1610d078b064..000000000000
--- a/arch/alpha/include/asm/a.out-core.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* a.out coredump register dumper
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_A_OUT_CORE_H
-#define _ASM_A_OUT_CORE_H
-
-#ifdef __KERNEL__
-
-#include <linux/user.h>
-#include <linux/mm_types.h>
-
-/*
- * Fill in the user structure for an ECOFF core dump.
- */
-static inline void aout_dump_thread(struct pt_regs *pt, struct user *dump)
-{
- /* switch stack follows right below pt_regs: */
- struct switch_stack * sw = ((struct switch_stack *) pt) - 1;
-
- dump->magic = CMAGIC;
- dump->start_code = current->mm->start_code;
- dump->start_data = current->mm->start_data;
- dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
- dump->u_tsize = ((current->mm->end_code - dump->start_code)
- >> PAGE_SHIFT);
- dump->u_dsize = ((current->mm->brk + PAGE_SIZE-1 - dump->start_data)
- >> PAGE_SHIFT);
- dump->u_ssize = (current->mm->start_stack - dump->start_stack
- + PAGE_SIZE-1) >> PAGE_SHIFT;
-
- /*
- * We store the registers in an order/format that is
- * compatible with DEC Unix/OSF/1 as this makes life easier
- * for gdb.
- */
- dump->regs[EF_V0] = pt->r0;
- dump->regs[EF_T0] = pt->r1;
- dump->regs[EF_T1] = pt->r2;
- dump->regs[EF_T2] = pt->r3;
- dump->regs[EF_T3] = pt->r4;
- dump->regs[EF_T4] = pt->r5;
- dump->regs[EF_T5] = pt->r6;
- dump->regs[EF_T6] = pt->r7;
- dump->regs[EF_T7] = pt->r8;
- dump->regs[EF_S0] = sw->r9;
- dump->regs[EF_S1] = sw->r10;
- dump->regs[EF_S2] = sw->r11;
- dump->regs[EF_S3] = sw->r12;
- dump->regs[EF_S4] = sw->r13;
- dump->regs[EF_S5] = sw->r14;
- dump->regs[EF_S6] = sw->r15;
- dump->regs[EF_A3] = pt->r19;
- dump->regs[EF_A4] = pt->r20;
- dump->regs[EF_A5] = pt->r21;
- dump->regs[EF_T8] = pt->r22;
- dump->regs[EF_T9] = pt->r23;
- dump->regs[EF_T10] = pt->r24;
- dump->regs[EF_T11] = pt->r25;
- dump->regs[EF_RA] = pt->r26;
- dump->regs[EF_T12] = pt->r27;
- dump->regs[EF_AT] = pt->r28;
- dump->regs[EF_SP] = rdusp();
- dump->regs[EF_PS] = pt->ps;
- dump->regs[EF_PC] = pt->pc;
- dump->regs[EF_GP] = pt->gp;
- dump->regs[EF_A0] = pt->r16;
- dump->regs[EF_A1] = pt->r17;
- dump->regs[EF_A2] = pt->r18;
- memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8);
-}
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_A_OUT_CORE_H */
diff --git a/arch/alpha/include/asm/irq.h b/arch/alpha/include/asm/irq.h
index 4d17cacd1462..432402c8e47f 100644
--- a/arch/alpha/include/asm/irq.h
+++ b/arch/alpha/include/asm/irq.h
@@ -56,15 +56,15 @@
#elif defined(CONFIG_ALPHA_DP264) || \
defined(CONFIG_ALPHA_LYNX) || \
- defined(CONFIG_ALPHA_SHARK) || \
- defined(CONFIG_ALPHA_EIGER)
+ defined(CONFIG_ALPHA_SHARK)
# define NR_IRQS 64
#elif defined(CONFIG_ALPHA_TITAN)
#define NR_IRQS 80
#elif defined(CONFIG_ALPHA_RAWHIDE) || \
- defined(CONFIG_ALPHA_TAKARA)
+ defined(CONFIG_ALPHA_TAKARA) || \
+ defined(CONFIG_ALPHA_EIGER)
# define NR_IRQS 128
#elif defined(CONFIG_ALPHA_WILDFIRE)
diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h
index e6e13a85796a..5a77a40567fa 100644
--- a/arch/alpha/include/asm/topology.h
+++ b/arch/alpha/include/asm/topology.h
@@ -4,6 +4,7 @@
#include <linux/smp.h>
#include <linux/threads.h>
+#include <linux/numa.h>
#include <asm/machvec.h>
#ifdef CONFIG_NUMA
@@ -29,7 +30,7 @@ static const struct cpumask *cpumask_of_node(int node)
{
int cpu;
- if (node == -1)
+ if (node == NUMA_NO_NODE)
return cpu_all_mask;
cpumask_clear(&node_to_cpumask_map[node]);
diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h
index cf4ac791a592..1fe2b56cb861 100644
--- a/arch/alpha/include/asm/uaccess.h
+++ b/arch/alpha/include/asm/uaccess.h
@@ -18,7 +18,6 @@
#define USER_DS ((mm_segment_t) { -0x40000000000UL })
#define get_fs() (current_thread_info()->addr_limit)
-#define get_ds() (KERNEL_DS)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
#define segment_eq(a, b) ((a).seg == (b).seg)
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 21b706a5b772..986f5da9b7d8 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -19,25 +19,4 @@
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
-/*
- * Ignore legacy syscalls that we don't use.
- */
-#define __IGNORE_alarm
-#define __IGNORE_creat
-#define __IGNORE_getegid
-#define __IGNORE_geteuid
-#define __IGNORE_getgid
-#define __IGNORE_getpid
-#define __IGNORE_getppid
-#define __IGNORE_getuid
-#define __IGNORE_pause
-#define __IGNORE_time
-#define __IGNORE_utime
-#define __IGNORE_umount2
-
-/* Alpha doesn't have protection keys. */
-#define __IGNORE_pkey_mprotect
-#define __IGNORE_pkey_alloc
-#define __IGNORE_pkey_free
-
#endif /* _ALPHA_UNISTD_H */
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index f9d4e6b6d4bd..ac23379b7a87 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -10,9 +10,7 @@
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
-#define MAP_SHARED 0x01 /* Share changes */
-#define MAP_PRIVATE 0x02 /* Changes are private */
-#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */
+/* 0x01 - 0x03 are defined in linux/mman.h */
#define MAP_TYPE 0x0f /* Mask for type of mapping (OSF/1 is _wrong_) */
#define MAP_FIXED 0x100 /* Interpret addr exactly */
#define MAP_ANONYMOUS 0x10 /* don't use a file */
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h
index 065fb372e355..0d0fddb7e738 100644
--- a/arch/alpha/include/uapi/asm/socket.h
+++ b/arch/alpha/include/uapi/asm/socket.h
@@ -3,6 +3,7 @@
#define _UAPI_ASM_SOCKET_H
#include <asm/sockios.h>
+#include <asm/bitsperlong.h>
/* For setsockopt(2) */
/*
@@ -30,8 +31,8 @@
#define SO_RCVBUFFORCE 0x100b
#define SO_RCVLOWAT 0x1010
#define SO_SNDLOWAT 0x1011
-#define SO_RCVTIMEO 0x1012
-#define SO_SNDTIMEO 0x1013
+#define SO_RCVTIMEO_OLD 0x1012
+#define SO_SNDTIMEO_OLD 0x1013
#define SO_ACCEPTCONN 0x1014
#define SO_PROTOCOL 0x1028
#define SO_DOMAIN 0x1029
@@ -51,13 +52,9 @@
#define SO_GET_FILTER SO_ATTACH_FILTER
#define SO_PEERNAME 28
-#define SO_TIMESTAMP 29
-#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_PEERSEC 30
#define SO_PASSSEC 34
-#define SO_TIMESTAMPNS 35
-#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 19
@@ -66,9 +63,6 @@
#define SO_MARK 36
-#define SO_TIMESTAMPING 37
-#define SCM_TIMESTAMPING SO_TIMESTAMPING
-
#define SO_RXQ_OVFL 40
#define SO_WIFI_STATUS 41
@@ -115,4 +109,41 @@
#define SO_TXTIME 61
#define SCM_TXTIME SO_TXTIME
+#define SO_BINDTOIFINDEX 62
+
+#define SO_TIMESTAMP_OLD 29
+#define SO_TIMESTAMPNS_OLD 35
+#define SO_TIMESTAMPING_OLD 37
+
+#define SO_TIMESTAMP_NEW 63
+#define SO_TIMESTAMPNS_NEW 64
+#define SO_TIMESTAMPING_NEW 65
+
+#define SO_RCVTIMEO_NEW 66
+#define SO_SNDTIMEO_NEW 67
+
+#if !defined(__KERNEL__)
+
+#if __BITS_PER_LONG == 64
+#define SO_TIMESTAMP SO_TIMESTAMP_OLD
+#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD
+#define SO_TIMESTAMPING SO_TIMESTAMPING_OLD
+
+#define SO_RCVTIMEO SO_RCVTIMEO_OLD
+#define SO_SNDTIMEO SO_SNDTIMEO_OLD
+#else
+#define SO_TIMESTAMP (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMP_OLD : SO_TIMESTAMP_NEW)
+#define SO_TIMESTAMPNS (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPNS_OLD : SO_TIMESTAMPNS_NEW)
+#define SO_TIMESTAMPING (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPING_OLD : SO_TIMESTAMPING_NEW)
+
+#define SO_RCVTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_RCVTIMEO_OLD : SO_RCVTIMEO_NEW)
+#define SO_SNDTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_SNDTIMEO_OLD : SO_SNDTIMEO_NEW)
+#endif
+
+#define SCM_TIMESTAMP SO_TIMESTAMP
+#define SCM_TIMESTAMPNS SO_TIMESTAMPNS
+#define SCM_TIMESTAMPING SO_TIMESTAMPING
+
+#endif
+
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/alpha/include/uapi/asm/unistd.h b/arch/alpha/include/uapi/asm/unistd.h
index 9ba724f116f1..71fd5db06866 100644
--- a/arch/alpha/include/uapi/asm/unistd.h
+++ b/arch/alpha/include/uapi/asm/unistd.h
@@ -2,6 +2,16 @@
#ifndef _UAPI_ALPHA_UNISTD_H
#define _UAPI_ALPHA_UNISTD_H
+/* These are traditionally the names linux-alpha uses for
+ * the two otherwise generic system calls */
+#define __NR_umount __NR_umount2
+#define __NR_osf_shmat __NR_shmat
+
+/* These return an extra value but can be used as aliases */
+#define __NR_getpid __NR_getxpid
+#define __NR_getuid __NR_getxuid
+#define __NR_getgid __NR_getxgid
+
#include <asm/unistd_32.h>
#endif /* _UAPI_ALPHA_UNISTD_H */
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
index 867e8730b0c5..f489170201c3 100644
--- a/arch/alpha/kernel/core_cia.c
+++ b/arch/alpha/kernel/core_cia.c
@@ -331,7 +331,10 @@ cia_prepare_tbia_workaround(int window)
long i;
/* Use minimal 1K map. */
- ppte = memblock_alloc_from(CIA_BROKEN_TBIA_SIZE, 32768, 0);
+ ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768);
+ if (!ppte)
+ panic("%s: Failed to allocate %u bytes align=0x%x\n",
+ __func__, CIA_BROKEN_TBIA_SIZE, 32768);
pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1;
for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i)
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index c1d0c18c71ca..1db9d0eb2922 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -83,6 +83,9 @@ mk_resource_name(int pe, int port, char *str)
sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port);
name = memblock_alloc(strlen(tmp) + 1, SMP_CACHE_BYTES);
+ if (!name)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ strlen(tmp) + 1);
strcpy(name, tmp);
return name;
@@ -118,6 +121,9 @@ alloc_io7(unsigned int pe)
}
io7 = memblock_alloc(sizeof(*io7), SMP_CACHE_BYTES);
+ if (!io7)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*io7));
io7->pe = pe;
raw_spin_lock_init(&io7->irq_lock);
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 792586038808..bf497b8b0ec6 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1253,7 +1253,7 @@ struct timex32 {
SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
{
- struct timex txc;
+ struct __kernel_timex txc;
int ret;
/* copy relevant bits of struct timex. */
@@ -1270,7 +1270,8 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
if (copy_to_user(txc_p, &txc, offsetof(struct timex32, time)) ||
(copy_to_user(&txc_p->tick, &txc.tick, sizeof(struct timex32) -
offsetof(struct timex32, tick))) ||
- (put_tv_to_tv32(&txc_p->time, &txc.time)))
+ (put_user(txc.time.tv_sec, &txc_p->time.tv_sec)) ||
+ (put_user(txc.time.tv_usec, &txc_p->time.tv_usec)))
return -EFAULT;
return ret;
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index 091cff3c68fd..ae82061edae9 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -34,6 +34,9 @@ alloc_pci_controller(void)
struct pci_controller *hose;
hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES);
+ if (!hose)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*hose));
*hose_tail = hose;
hose_tail = &hose->next;
@@ -44,7 +47,13 @@ alloc_pci_controller(void)
struct resource * __init
alloc_resource(void)
{
- return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+ void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+
+ if (!ptr)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(struct resource));
+
+ return ptr;
}
SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
@@ -54,7 +63,7 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus,
/* from hose or from bus.devfn */
if (which & IOBASE_FROM_HOSE) {
- for (hose = hose_head; hose; hose = hose->next)
+ for (hose = hose_head; hose; hose = hose->next)
if (hose->index == bus)
break;
if (!hose)
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 97098127df83..64fbfb0763b2 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -393,6 +393,9 @@ alloc_pci_controller(void)
struct pci_controller *hose;
hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES);
+ if (!hose)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*hose));
*hose_tail = hose;
hose_tail = &hose->next;
@@ -403,7 +406,13 @@ alloc_pci_controller(void)
struct resource * __init
alloc_resource(void)
{
- return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+ void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES);
+
+ if (!ptr)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(struct resource));
+
+ return ptr;
}
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index aa0f50d0f823..3034d6d936d2 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -80,6 +80,9 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
" falling back to system-wide allocation\n",
__func__, nid);
arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES);
+ if (!arena)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*arena));
}
arena->ptes = memblock_alloc_node(sizeof(*arena), align, nid);
@@ -87,13 +90,22 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
printk("%s: couldn't allocate arena ptes from node %d\n"
" falling back to system-wide allocation\n",
__func__, nid);
- arena->ptes = memblock_alloc_from(mem_size, align, 0);
+ arena->ptes = memblock_alloc(mem_size, align);
+ if (!arena->ptes)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, mem_size, align);
}
#else /* CONFIG_DISCONTIGMEM */
arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES);
- arena->ptes = memblock_alloc_from(mem_size, align, 0);
+ if (!arena)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*arena));
+ arena->ptes = memblock_alloc(mem_size, align);
+ if (!arena->ptes)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, mem_size, align);
#endif /* CONFIG_DISCONTIGMEM */
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 5613aa378a83..4341ccf5c0c4 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -630,12 +630,6 @@ static int __hw_perf_event_init(struct perf_event *event)
return ev;
}
- /* The EV67 does not support mode exclusion */
- if (attr->exclude_kernel || attr->exclude_user
- || attr->exclude_hv || attr->exclude_idle) {
- return -EPERM;
- }
-
/*
* We place the event type in event_base here and leave calculation
* of the codes to programme the PMU for alpha_pmu_enable() because
@@ -771,6 +765,7 @@ static struct pmu pmu = {
.start = alpha_pmu_start,
.stop = alpha_pmu_stop,
.read = alpha_pmu_read,
+ .capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 4b5b1b244f86..5d4c76a77a9f 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -293,7 +293,7 @@ move_initrd(unsigned long mem_limit)
unsigned long size;
size = initrd_end - initrd_start;
- start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0);
+ start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE);
if (!start || __pa(start) + size > mem_limit) {
initrd_start = initrd_end = 0;
return NULL;
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 7b56a53be5e3..63ed39cbd3bd 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -29,7 +29,7 @@
19 common lseek sys_lseek
20 common getxpid sys_getxpid
21 common osf_mount sys_osf_mount
-22 common umount sys_umount
+22 common umount2 sys_umount
23 common setuid sys_setuid
24 common getxuid sys_getxuid
25 common exec_with_loader sys_ni_syscall
@@ -174,17 +174,17 @@
187 common osf_alt_sigpending sys_ni_syscall
188 common osf_alt_setsid sys_ni_syscall
199 common osf_swapon sys_swapon
-200 common msgctl sys_msgctl
+200 common msgctl sys_old_msgctl
201 common msgget sys_msgget
202 common msgrcv sys_msgrcv
203 common msgsnd sys_msgsnd
-204 common semctl sys_semctl
+204 common semctl sys_old_semctl
205 common semget sys_semget
206 common semop sys_semop
207 common osf_utsname sys_osf_utsname
208 common lchown sys_lchown
-209 common osf_shmat sys_shmat
-210 common shmctl sys_shmctl
+209 common shmat sys_shmat
+210 common shmctl sys_old_shmctl
211 common shmdt sys_shmdt
212 common shmget sys_shmget
213 common osf_mvalid sys_ni_syscall
@@ -451,3 +451,15 @@
520 common preadv2 sys_preadv2
521 common pwritev2 sys_pwritev2
522 common statx sys_statx
+523 common io_pgetevents sys_io_pgetevents
+524 common pkey_mprotect sys_pkey_mprotect
+525 common pkey_alloc sys_pkey_alloc
+526 common pkey_free sys_pkey_free
+527 common rseq sys_rseq
+528 common statfs64 sys_statfs64
+529 common fstatfs64 sys_fstatfs64
+530 common getegid sys_getegid
+531 common geteuid sys_geteuid
+532 common getppid sys_getppid
+# all other architectures have common numbers for new syscall, alpha
+# is the exception.
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index d73dc473fbb9..188fc9256baf 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -78,7 +78,7 @@ __load_new_mm_context(struct mm_struct *next_mm)
/* Macro for exception fixup code to access integer registers. */
#define dpf_reg(r) \
(((unsigned long *)regs)[(r) <= 8 ? (r) : (r) <= 15 ? (r)-16 : \
- (r) <= 18 ? (r)+8 : (r)-10])
+ (r) <= 18 ? (r)+10 : (r)-10])
asmlinkage void
do_page_fault(unsigned long address, unsigned long mmcsr,
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 376366a7db81..df55672c59e6 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -11,9 +11,11 @@ config ARC
select ARC_TIMERS
select ARCH_HAS_DMA_COHERENT_TO_PFN
select ARCH_HAS_PTE_SPECIAL
+ select ARCH_HAS_SETUP_DMA_OPS
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
+ select ARCH_32BIT_OFF_T
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
@@ -30,7 +32,6 @@ config ARC
select HAVE_ARCH_TRACEHOOK
select HAVE_DEBUG_STACKOVERFLOW
select HAVE_FUTEX_CMPXCHG if FUTEX
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_IOREMAP_PROT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZMA
@@ -44,7 +45,6 @@ config ARC
select MODULES_USE_ELF_RELA
select OF
select OF_EARLY_FLATTREE
- select OF_RESERVED_MEM
select PCI_SYSCALL if PCI
select PERF_USE_VMALLOC if ARC_CACHE_VIPT_ALIASING
@@ -191,7 +191,6 @@ config NR_CPUS
config ARC_SMP_HALT_ON_RESET
bool "Enable Halt-on-reset boot mode"
- default y if ARC_UBOOT_SUPPORT
help
In SMP configuration cores can be configured as Halt-on-reset
or they could all start at same time. For Halt-on-reset, non
@@ -407,6 +406,14 @@ config ARC_HAS_ACCL_REGS
(also referred to as r58:r59). These can also be used by gcc as GPR so
kernel needs to save/restore per process
+config ARC_IRQ_NO_AUTOSAVE
+ bool "Disable hardware autosave regfile on interrupts"
+ default n
+ help
+ On HS cores, taken interrupt auto saves the regfile on stack.
+ This is programmable and can be optionally disabled in which case
+ software INTERRUPT_PROLOGUE/EPILGUE do the needed work
+
endif # ISA_ARCV2
endmenu # "ARC CPU Configuration"
@@ -515,17 +522,6 @@ config ARC_DBG_TLB_PARANOIA
endif
-config ARC_UBOOT_SUPPORT
- bool "Support uboot arg Handling"
- help
- ARC Linux by default checks for uboot provided args as pointers to
- external cmdline or DTB. This however breaks in absence of uboot,
- when booting from Metaware debugger directly, as the registers are
- not zeroed out on reset by mdb and/or ARCv2 based cores. The bogus
- registers look like uboot args to kernel which then chokes.
- So only enable the uboot arg checking/processing if users are sure
- of uboot being in play.
-
config ARC_BUILTIN_DTB_NAME
string "Built in DTB"
help
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index 020d4493edfd..e31a8ebc3ecc 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -99,7 +99,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_SOFTLOCKUP_DETECTOR=y
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index 666314fffc60..e0e8567f0d75 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -97,7 +97,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_SOFTLOCKUP_DETECTOR=y
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index 429832b8560b..fcbc952bc75b 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -100,7 +100,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_SOFTLOCKUP_DETECTOR=y
diff --git a/arch/arc/configs/haps_hs_defconfig b/arch/arc/configs/haps_hs_defconfig
index 240dd2cd5148..f56cc2070c11 100644
--- a/arch/arc/configs/haps_hs_defconfig
+++ b/arch/arc/configs/haps_hs_defconfig
@@ -75,7 +75,6 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_PREEMPT is not set
diff --git a/arch/arc/configs/haps_hs_smp_defconfig b/arch/arc/configs/haps_hs_smp_defconfig
index 14ae7e5acc7c..b6f2482c7e74 100644
--- a/arch/arc/configs/haps_hs_smp_defconfig
+++ b/arch/arc/configs/haps_hs_smp_defconfig
@@ -78,7 +78,6 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_SOFTLOCKUP_DETECTOR=y
# CONFIG_DEBUG_PREEMPT is not set
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 87b23b7fb781..6fd3d29546af 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -71,7 +71,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_SOFTLOCKUP_DETECTOR=y
diff --git a/arch/arc/configs/nps_defconfig b/arch/arc/configs/nps_defconfig
index 6e84060e7c90..f0a077c00efa 100644
--- a/arch/arc/configs/nps_defconfig
+++ b/arch/arc/configs/nps_defconfig
@@ -31,7 +31,6 @@ CONFIG_ARC_CACHE_LINE_SHIFT=5
# CONFIG_ARC_HAS_LLSC is not set
CONFIG_ARC_KVADDR_SIZE=402
CONFIG_ARC_EMUL_UNALIGNED=y
-CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_PREEMPT=y
CONFIG_NET=y
CONFIG_UNIX=y
@@ -77,7 +76,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_ROOT_NFS=y
CONFIG_DEBUG_INFO=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_MEMORY_INIT=y
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index 219c2a65294b..318e4cd29629 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -56,6 +56,5 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
# CONFIG_DEBUG_PREEMPT is not set
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index 739b90e5e893..c15807b0e0c1 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -56,6 +56,5 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
# CONFIG_DEBUG_PREEMPT is not set
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index b5895bdf3a93..65e983fd942b 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -55,5 +55,4 @@ CONFIG_EXT2_FS_XATTR=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index 35dfc6491a09..08c5b99ac341 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -68,5 +68,4 @@ CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index 1638e5bc9672..5b5e26d67955 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -66,5 +66,4 @@ CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index 11cfbdb0f441..26af9b2f7fcb 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -77,6 +77,5 @@ CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FTRACE=y
diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
index e71ade3cf9c8..5b5119d2b5d5 100644
--- a/arch/arc/configs/tb10x_defconfig
+++ b/arch/arc/configs/tb10x_defconfig
@@ -92,7 +92,6 @@ CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_DEBUG_INFO=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig
index 1e59a2e9c602..0c3b21416819 100644
--- a/arch/arc/configs/vdk_hs38_defconfig
+++ b/arch/arc/configs/vdk_hs38_defconfig
@@ -13,7 +13,6 @@ CONFIG_PARTITION_ADVANCED=y
CONFIG_ARC_PLAT_AXS10X=y
CONFIG_AXS103=y
CONFIG_ISA_ARCV2=y
-CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38"
CONFIG_PREEMPT=y
CONFIG_NET=y
@@ -88,7 +87,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_SHIRQ=y
diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
index b5c3f6c54b03..f9ad9d3ee702 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -15,8 +15,6 @@ CONFIG_AXS103=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
# CONFIG_ARC_TIMERS_64BIT is not set
-# CONFIG_ARC_SMP_HALT_ON_RESET is not set
-CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38_smp"
CONFIG_PREEMPT=y
CONFIG_NET=y
@@ -93,7 +91,6 @@ CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_SHIRQ=y
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index feed50ce89fa..b41f8881ecc8 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -6,20 +6,17 @@ generic-y += div64.h
generic-y += dma-mapping.h
generic-y += emergency-restart.h
generic-y += extable.h
-generic-y += fb.h
generic-y += ftrace.h
generic-y += hardirq.h
generic-y += hw_irq.h
generic-y += irq_regs.h
generic-y += irq_work.h
-generic-y += kmap_types.h
generic-y += local.h
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += msi.h
generic-y += parport.h
-generic-y += pci.h
generic-y += percpu.h
generic-y += preempt.h
generic-y += topology.h
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 49bfbd879caa..a27eafdc8260 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -151,6 +151,14 @@ struct bcr_isa_arcv2 {
#endif
};
+struct bcr_uarch_build_arcv2 {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int pad:8, prod:8, maj:8, min:8;
+#else
+ unsigned int min:8, maj:8, prod:8, pad:8;
+#endif
+};
+
struct bcr_mpy {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8;
@@ -216,6 +224,14 @@ struct bcr_fp_arcv2 {
#endif
};
+struct bcr_actionpoint {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int pad:21, min:1, num:2, ver:8;
+#else
+ unsigned int ver:8, num:2, min:1, pad:21;
+#endif
+};
+
#include <soc/arc/timers.h>
struct bcr_bpu_arcompact {
@@ -283,7 +299,7 @@ struct cpuinfo_arc_cache {
};
struct cpuinfo_arc_bpu {
- unsigned int ver, full, num_cache, num_pred;
+ unsigned int ver, full, num_cache, num_pred, ret_stk;
};
struct cpuinfo_arc_ccm {
@@ -302,7 +318,7 @@ struct cpuinfo_arc {
struct {
unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, swape:1, pad1:2,
fpu_sp:1, fpu_dp:1, dual:1, dual_enb:1, pad2:4,
- debug:1, ap:1, smart:1, rtt:1, pad3:4,
+ ap_num:4, ap_full:1, smart:1, rtt:1, pad3:1,
timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4;
} extn;
struct bcr_mpy extn_mpy;
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index ee9246184033..202b74c339f0 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -340,7 +340,7 @@ static inline __attribute__ ((const)) int __fls(unsigned long x)
/*
* __ffs: Similar to ffs, but zero based (0-31)
*/
-static inline __attribute__ ((const)) int __ffs(unsigned long word)
+static inline __attribute__ ((const)) unsigned long __ffs(unsigned long word)
{
if (!word)
return word;
@@ -400,9 +400,9 @@ static inline __attribute__ ((const)) int ffs(unsigned long x)
/*
* __ffs: Similar to ffs, but zero based (0-31)
*/
-static inline __attribute__ ((const)) int __ffs(unsigned long x)
+static inline __attribute__ ((const)) unsigned long __ffs(unsigned long x)
{
- int n;
+ unsigned long n;
asm volatile(
" ffs.f %0, %1 \n" /* 0:31; 31(Z) if src 0 */
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index f393b663413e..2ad77fb43639 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -52,6 +52,17 @@
#define cache_line_size() SMP_CACHE_BYTES
#define ARCH_DMA_MINALIGN SMP_CACHE_BYTES
+/*
+ * Make sure slab-allocated buffers are 64-bit aligned when atomic64_t uses
+ * ARCv2 64-bit atomics (LLOCKD/SCONDD). This guarantess runtime 64-bit
+ * alignment for any atomic64_t embedded in buffer.
+ * Default ARCH_SLAB_MINALIGN is __alignof__(long long) which has a relaxed
+ * value of 4 (and not 8) in ARC ABI.
+ */
+#if defined(CONFIG_ARC_HAS_LL64) && defined(CONFIG_ARC_HAS_LLSC)
+#define ARCH_SLAB_MINALIGN 8
+#endif
+
extern void arc_cache_init(void);
extern char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len);
extern void read_decode_cache_bcr(void);
diff --git a/arch/arc/include/asm/dma-mapping.h b/arch/arc/include/asm/dma-mapping.h
deleted file mode 100644
index c946c0a83e76..000000000000
--- a/arch/arc/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,13 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// (C) 2018 Synopsys, Inc. (www.synopsys.com)
-
-#ifndef ASM_ARC_DMA_MAPPING_H
-#define ASM_ARC_DMA_MAPPING_H
-
-#include <asm-generic/dma-mapping.h>
-
-void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
- const struct iommu_ops *iommu, bool coherent);
-#define arch_setup_dma_ops arch_setup_dma_ops
-
-#endif
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index 309f4e6721b3..225e7df2d8ed 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -17,6 +17,33 @@
;
; Now manually save: r12, sp, fp, gp, r25
+#ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
+.ifnc \called_from, exception
+ st.as r9, [sp, -10] ; save r9 in it's final stack slot
+ sub sp, sp, 12 ; skip JLI, LDI, EI
+
+ PUSH lp_count
+ PUSHAX lp_start
+ PUSHAX lp_end
+ PUSH blink
+
+ PUSH r11
+ PUSH r10
+
+ sub sp, sp, 4 ; skip r9
+
+ PUSH r8
+ PUSH r7
+ PUSH r6
+ PUSH r5
+ PUSH r4
+ PUSH r3
+ PUSH r2
+ PUSH r1
+ PUSH r0
+.endif
+#endif
+
#ifdef CONFIG_ARC_HAS_ACCL_REGS
PUSH r59
PUSH r58
@@ -86,6 +113,33 @@
POP r59
#endif
+#ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
+.ifnc \called_from, exception
+ POP r0
+ POP r1
+ POP r2
+ POP r3
+ POP r4
+ POP r5
+ POP r6
+ POP r7
+ POP r8
+ POP r9
+ POP r10
+ POP r11
+
+ POP blink
+ POPAX lp_end
+ POPAX lp_start
+
+ POP r9
+ mov lp_count, r9
+
+ add sp, sp, 12 ; skip JLI, LDI, EI
+ ld.as r9, [sp, -10] ; reload r9 which got clobbered
+.endif
+#endif
+
.endm
/*------------------------------------------------------------------------*/
diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h
index 9185541035cc..6958545390f0 100644
--- a/arch/arc/include/asm/perf_event.h
+++ b/arch/arc/include/asm/perf_event.h
@@ -103,7 +103,8 @@ static const char * const arc_pmu_ev_hw_map[] = {
/* counts condition */
[PERF_COUNT_HW_INSTRUCTIONS] = "iall",
- [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "ijmp", /* Excludes ZOL jumps */
+ /* All jump instructions that are taken */
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = "ijmptak",
[PERF_COUNT_ARC_BPOK] = "bpok", /* NP-NT, PT-T, PNT-NT */
#ifdef CONFIG_ISA_ARCV2
[PERF_COUNT_HW_BRANCH_MISSES] = "bpmp",
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index c9173c02081c..eabc3efa6c6d 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -207,7 +207,7 @@ raw_copy_from_user(void *to, const void __user *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return n;
}
@@ -433,7 +433,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return n;
}
@@ -653,7 +653,7 @@ static inline unsigned long __arc_clear_user(void __user *to, unsigned long n)
" .previous \n"
: "+r"(d_char), "+r"(res)
: "i"(0)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return res;
}
@@ -686,7 +686,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
: "g"(-EFAULT), "r"(count)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");
return res;
}
diff --git a/arch/arc/include/uapi/asm/unistd.h b/arch/arc/include/uapi/asm/unistd.h
index 3b3543fd151c..5eafa1115162 100644
--- a/arch/arc/include/uapi/asm/unistd.h
+++ b/arch/arc/include/uapi/asm/unistd.h
@@ -18,10 +18,12 @@
#define __ARCH_WANT_RENAMEAT
#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SET_GET_RLIMIT
#define __ARCH_WANT_SYS_EXECVE
#define __ARCH_WANT_SYS_CLONE
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_FORK
+#define __ARCH_WANT_TIME32_SYSCALLS
#define sys_mmap2 sys_mmap_pgoff
diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S
index cc558a25b8fa..562089d62d9d 100644
--- a/arch/arc/kernel/entry-arcv2.S
+++ b/arch/arc/kernel/entry-arcv2.S
@@ -209,7 +209,9 @@ restore_regs:
;####### Return from Intr #######
debug_marker_l1:
- bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot
+ ; bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot
+ btst r0, STATUS_DE_BIT ; Z flag set if bit clear
+ bnz .Lintr_ret_to_delay_slot ; branch if STATUS_DE_BIT set
.Lisr_ret_fast_path:
; Handle special case #1: (Entry via Exception, Return via IRQ)
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S
index 8b90d25a15cc..30e090625916 100644
--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -17,6 +17,7 @@
#include <asm/entry.h>
#include <asm/arcregs.h>
#include <asm/cache.h>
+#include <asm/irqflags.h>
.macro CPU_EARLY_SETUP
@@ -47,6 +48,15 @@
sr r5, [ARC_REG_DC_CTRL]
1:
+
+#ifdef CONFIG_ISA_ARCV2
+ ; Unaligned access is disabled at reset, so re-enable early as
+ ; gcc 7.3.1 (ARC GNU 2018.03) onwards generates unaligned access
+ ; by default
+ lr r5, [status32]
+ bset r5, r5, STATUS_AD_BIT
+ kflag r5
+#endif
.endm
.section .init.text, "ax",@progbits
@@ -90,15 +100,13 @@ ENTRY(stext)
st.ab 0, [r5, 4]
1:
-#ifdef CONFIG_ARC_UBOOT_SUPPORT
; Uboot - kernel ABI
; r0 = [0] No uboot interaction, [1] cmdline in r2, [2] DTB in r2
- ; r1 = magic number (board identity, unused as of now
+ ; r1 = magic number (always zero as of now)
; r2 = pointer to uboot provided cmdline or external DTB in mem
- ; These are handled later in setup_arch()
+ ; These are handled later in handle_uboot_args()
st r0, [@uboot_tag]
st r2, [@uboot_arg]
-#endif
; setup "current" tsk and optionally cache it in dedicated r25
mov r9, @init_task
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 067ea362fb3e..cf18b3e5a934 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -49,11 +49,13 @@ void arc_init_IRQ(void)
*(unsigned int *)&ictrl = 0;
+#ifndef CONFIG_ARC_IRQ_NO_AUTOSAVE
ictrl.save_nr_gpr_pairs = 6; /* r0 to r11 (r12 saved manually) */
ictrl.save_blink = 1;
ictrl.save_lp_regs = 1; /* LP_COUNT, LP_START, LP_END */
ictrl.save_u_to_u = 0; /* user ctxt saved on kernel stack */
ictrl.save_idx_regs = 1; /* JLI, LDI, EI */
+#endif
WRITE_AUX(AUX_IRQ_CTRL, ictrl);
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 8aec462d90fb..861a8aea51f9 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -1,15 +1,10 @@
-/*
- * Linux performance counter support for ARC700 series
- *
- * Copyright (C) 2013-2015 Synopsys, Inc. (www.synopsys.com)
- *
- * This code is inspired by the perf support of various other architectures.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Linux performance counter support for ARC CPUs.
+// This code is inspired by the perf support of various other architectures.
+//
+// Copyright (C) 2013-2018 Synopsys, Inc. (www.synopsys.com)
+
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/module.h>
@@ -19,12 +14,31 @@
#include <asm/arcregs.h>
#include <asm/stacktrace.h>
+/* HW holds 8 symbols + one for null terminator */
+#define ARCPMU_EVENT_NAME_LEN 9
+
+enum arc_pmu_attr_groups {
+ ARCPMU_ATTR_GR_EVENTS,
+ ARCPMU_ATTR_GR_FORMATS,
+ ARCPMU_NR_ATTR_GR
+};
+
+struct arc_pmu_raw_event_entry {
+ char name[ARCPMU_EVENT_NAME_LEN];
+};
+
struct arc_pmu {
struct pmu pmu;
unsigned int irq;
int n_counters;
+ int n_events;
u64 max_period;
int ev_hw_idx[PERF_COUNT_ARC_HW_MAX];
+
+ struct arc_pmu_raw_event_entry *raw_entry;
+ struct attribute **attrs;
+ struct perf_pmu_events_attr *attr;
+ const struct attribute_group *attr_groups[ARCPMU_NR_ATTR_GR + 1];
};
struct arc_pmu_cpu {
@@ -49,6 +63,7 @@ static int callchain_trace(unsigned int addr, void *data)
{
struct arc_callchain_trace *ctrl = data;
struct perf_callchain_entry_ctx *entry = ctrl->perf_stuff;
+
perf_callchain_store(entry, addr);
if (ctrl->depth++ < 3)
@@ -57,8 +72,8 @@ static int callchain_trace(unsigned int addr, void *data)
return -1;
}
-void
-perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs)
+void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
+ struct pt_regs *regs)
{
struct arc_callchain_trace ctrl = {
.depth = 0,
@@ -68,8 +83,8 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re
arc_unwind_core(NULL, regs, callchain_trace, &ctrl);
}
-void
-perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs)
+void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
+ struct pt_regs *regs)
{
/*
* User stack can't be unwound trivially with kernel dwarf unwinder
@@ -82,10 +97,10 @@ static struct arc_pmu *arc_pmu;
static DEFINE_PER_CPU(struct arc_pmu_cpu, arc_pmu_cpu);
/* read counter #idx; note that counter# != event# on ARC! */
-static uint64_t arc_pmu_read_counter(int idx)
+static u64 arc_pmu_read_counter(int idx)
{
- uint32_t tmp;
- uint64_t result;
+ u32 tmp;
+ u64 result;
/*
* ARC supports making 'snapshots' of the counters, so we don't
@@ -94,7 +109,7 @@ static uint64_t arc_pmu_read_counter(int idx)
write_aux_reg(ARC_REG_PCT_INDEX, idx);
tmp = read_aux_reg(ARC_REG_PCT_CONTROL);
write_aux_reg(ARC_REG_PCT_CONTROL, tmp | ARC_REG_PCT_CONTROL_SN);
- result = (uint64_t) (read_aux_reg(ARC_REG_PCT_SNAPH)) << 32;
+ result = (u64) (read_aux_reg(ARC_REG_PCT_SNAPH)) << 32;
result |= read_aux_reg(ARC_REG_PCT_SNAPL);
return result;
@@ -103,9 +118,9 @@ static uint64_t arc_pmu_read_counter(int idx)
static void arc_perf_event_update(struct perf_event *event,
struct hw_perf_event *hwc, int idx)
{
- uint64_t prev_raw_count = local64_read(&hwc->prev_count);
- uint64_t new_raw_count = arc_pmu_read_counter(idx);
- int64_t delta = new_raw_count - prev_raw_count;
+ u64 prev_raw_count = local64_read(&hwc->prev_count);
+ u64 new_raw_count = arc_pmu_read_counter(idx);
+ s64 delta = new_raw_count - prev_raw_count;
/*
* We aren't afraid of hwc->prev_count changing beneath our feet
@@ -155,7 +170,7 @@ static int arc_pmu_event_init(struct perf_event *event)
int ret;
if (!is_sampling_event(event)) {
- hwc->sample_period = arc_pmu->max_period;
+ hwc->sample_period = arc_pmu->max_period;
hwc->last_period = hwc->sample_period;
local64_set(&hwc->period_left, hwc->sample_period);
}
@@ -192,6 +207,18 @@ static int arc_pmu_event_init(struct perf_event *event)
pr_debug("init cache event with h/w %08x \'%s\'\n",
(int)hwc->config, arc_pmu_ev_hw_map[ret]);
return 0;
+
+ case PERF_TYPE_RAW:
+ if (event->attr.config >= arc_pmu->n_events)
+ return -ENOENT;
+
+ hwc->config |= event->attr.config;
+ pr_debug("init raw event with idx %lld \'%s\'\n",
+ event->attr.config,
+ arc_pmu->raw_entry[event->attr.config].name);
+
+ return 0;
+
default:
return -ENOENT;
}
@@ -200,7 +227,7 @@ static int arc_pmu_event_init(struct perf_event *event)
/* starts all counters */
static void arc_pmu_enable(struct pmu *pmu)
{
- uint32_t tmp;
+ u32 tmp;
tmp = read_aux_reg(ARC_REG_PCT_CONTROL);
write_aux_reg(ARC_REG_PCT_CONTROL, (tmp & 0xffff0000) | 0x1);
}
@@ -208,7 +235,7 @@ static void arc_pmu_enable(struct pmu *pmu)
/* stops all counters */
static void arc_pmu_disable(struct pmu *pmu)
{
- uint32_t tmp;
+ u32 tmp;
tmp = read_aux_reg(ARC_REG_PCT_CONTROL);
write_aux_reg(ARC_REG_PCT_CONTROL, (tmp & 0xffff0000) | 0x0);
}
@@ -228,7 +255,7 @@ static int arc_pmu_event_set_period(struct perf_event *event)
local64_set(&hwc->period_left, left);
hwc->last_period = period;
overflow = 1;
- } else if (unlikely(left <= 0)) {
+ } else if (unlikely(left <= 0)) {
/* left underflowed by less than period. */
left += period;
local64_set(&hwc->period_left, left);
@@ -246,8 +273,8 @@ static int arc_pmu_event_set_period(struct perf_event *event)
write_aux_reg(ARC_REG_PCT_INDEX, idx);
/* Write value */
- write_aux_reg(ARC_REG_PCT_COUNTL, (u32)value);
- write_aux_reg(ARC_REG_PCT_COUNTH, (value >> 32));
+ write_aux_reg(ARC_REG_PCT_COUNTL, lower_32_bits(value));
+ write_aux_reg(ARC_REG_PCT_COUNTH, upper_32_bits(value));
perf_event_update_userpage(event);
@@ -277,7 +304,7 @@ static void arc_pmu_start(struct perf_event *event, int flags)
/* Enable interrupt for this counter */
if (is_sampling_event(event))
write_aux_reg(ARC_REG_PCT_INT_CTRL,
- read_aux_reg(ARC_REG_PCT_INT_CTRL) | (1 << idx));
+ read_aux_reg(ARC_REG_PCT_INT_CTRL) | BIT(idx));
/* enable ARC pmu here */
write_aux_reg(ARC_REG_PCT_INDEX, idx); /* counter # */
@@ -295,9 +322,9 @@ static void arc_pmu_stop(struct perf_event *event, int flags)
* Reset interrupt flag by writing of 1. This is required
* to make sure pending interrupt was not left.
*/
- write_aux_reg(ARC_REG_PCT_INT_ACT, 1 << idx);
+ write_aux_reg(ARC_REG_PCT_INT_ACT, BIT(idx));
write_aux_reg(ARC_REG_PCT_INT_CTRL,
- read_aux_reg(ARC_REG_PCT_INT_CTRL) & ~(1 << idx));
+ read_aux_reg(ARC_REG_PCT_INT_CTRL) & ~BIT(idx));
}
if (!(event->hw.state & PERF_HES_STOPPED)) {
@@ -349,9 +376,10 @@ static int arc_pmu_add(struct perf_event *event, int flags)
if (is_sampling_event(event)) {
/* Mimic full counter overflow as other arches do */
- write_aux_reg(ARC_REG_PCT_INT_CNTL, (u32)arc_pmu->max_period);
+ write_aux_reg(ARC_REG_PCT_INT_CNTL,
+ lower_32_bits(arc_pmu->max_period));
write_aux_reg(ARC_REG_PCT_INT_CNTH,
- (arc_pmu->max_period >> 32));
+ upper_32_bits(arc_pmu->max_period));
}
write_aux_reg(ARC_REG_PCT_CONFIG, 0);
@@ -392,7 +420,7 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev)
idx = __ffs(active_ints);
/* Reset interrupt flag by writing of 1 */
- write_aux_reg(ARC_REG_PCT_INT_ACT, 1 << idx);
+ write_aux_reg(ARC_REG_PCT_INT_ACT, BIT(idx));
/*
* On reset of "interrupt active" bit corresponding
@@ -400,7 +428,7 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev)
* Now we need to re-enable interrupt for the counter.
*/
write_aux_reg(ARC_REG_PCT_INT_CTRL,
- read_aux_reg(ARC_REG_PCT_INT_CTRL) | (1 << idx));
+ read_aux_reg(ARC_REG_PCT_INT_CTRL) | BIT(idx));
event = pmu_cpu->act_counter[idx];
hwc = &event->hw;
@@ -414,7 +442,7 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev)
arc_pmu_stop(event, 0);
}
- active_ints &= ~(1U << idx);
+ active_ints &= ~BIT(idx);
} while (active_ints);
done:
@@ -441,19 +469,108 @@ static void arc_cpu_pmu_irq_init(void *data)
write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff);
}
+/* Event field occupies the bottom 15 bits of our config field */
+PMU_FORMAT_ATTR(event, "config:0-14");
+static struct attribute *arc_pmu_format_attrs[] = {
+ &format_attr_event.attr,
+ NULL,
+};
+
+static struct attribute_group arc_pmu_format_attr_gr = {
+ .name = "format",
+ .attrs = arc_pmu_format_attrs,
+};
+
+static ssize_t arc_pmu_events_sysfs_show(struct device *dev,
+ struct device_attribute *attr,
+ char *page)
+{
+ struct perf_pmu_events_attr *pmu_attr;
+
+ pmu_attr = container_of(attr, struct perf_pmu_events_attr, attr);
+ return sprintf(page, "event=0x%04llx\n", pmu_attr->id);
+}
+
+/*
+ * We don't add attrs here as we don't have pre-defined list of perf events.
+ * We will generate and add attrs dynamically in probe() after we read HW
+ * configuration.
+ */
+static struct attribute_group arc_pmu_events_attr_gr = {
+ .name = "events",
+};
+
+static void arc_pmu_add_raw_event_attr(int j, char *str)
+{
+ memmove(arc_pmu->raw_entry[j].name, str, ARCPMU_EVENT_NAME_LEN - 1);
+ arc_pmu->attr[j].attr.attr.name = arc_pmu->raw_entry[j].name;
+ arc_pmu->attr[j].attr.attr.mode = VERIFY_OCTAL_PERMISSIONS(0444);
+ arc_pmu->attr[j].attr.show = arc_pmu_events_sysfs_show;
+ arc_pmu->attr[j].id = j;
+ arc_pmu->attrs[j] = &(arc_pmu->attr[j].attr.attr);
+}
+
+static int arc_pmu_raw_alloc(struct device *dev)
+{
+ arc_pmu->attr = devm_kmalloc_array(dev, arc_pmu->n_events + 1,
+ sizeof(*arc_pmu->attr), GFP_KERNEL | __GFP_ZERO);
+ if (!arc_pmu->attr)
+ return -ENOMEM;
+
+ arc_pmu->attrs = devm_kmalloc_array(dev, arc_pmu->n_events + 1,
+ sizeof(*arc_pmu->attrs), GFP_KERNEL | __GFP_ZERO);
+ if (!arc_pmu->attrs)
+ return -ENOMEM;
+
+ arc_pmu->raw_entry = devm_kmalloc_array(dev, arc_pmu->n_events,
+ sizeof(*arc_pmu->raw_entry), GFP_KERNEL | __GFP_ZERO);
+ if (!arc_pmu->raw_entry)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static inline bool event_in_hw_event_map(int i, char *name)
+{
+ if (!arc_pmu_ev_hw_map[i])
+ return false;
+
+ if (!strlen(arc_pmu_ev_hw_map[i]))
+ return false;
+
+ if (strcmp(arc_pmu_ev_hw_map[i], name))
+ return false;
+
+ return true;
+}
+
+static void arc_pmu_map_hw_event(int j, char *str)
+{
+ int i;
+
+ /* See if HW condition has been mapped to a perf event_id */
+ for (i = 0; i < ARRAY_SIZE(arc_pmu_ev_hw_map); i++) {
+ if (event_in_hw_event_map(i, str)) {
+ pr_debug("mapping perf event %2d to h/w event \'%8s\' (idx %d)\n",
+ i, str, j);
+ arc_pmu->ev_hw_idx[i] = j;
+ }
+ }
+}
+
static int arc_pmu_device_probe(struct platform_device *pdev)
{
struct arc_reg_pct_build pct_bcr;
struct arc_reg_cc_build cc_bcr;
- int i, j, has_interrupts;
+ int i, has_interrupts;
int counter_size; /* in bits */
union cc_name {
struct {
- uint32_t word0, word1;
+ u32 word0, word1;
char sentinel;
} indiv;
- char str[9];
+ char str[ARCPMU_EVENT_NAME_LEN];
} cc_name;
@@ -463,15 +580,22 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
return -ENODEV;
}
BUILD_BUG_ON(ARC_PERF_MAX_COUNTERS > 32);
- BUG_ON(pct_bcr.c > ARC_PERF_MAX_COUNTERS);
+ if (WARN_ON(pct_bcr.c > ARC_PERF_MAX_COUNTERS))
+ return -EINVAL;
READ_BCR(ARC_REG_CC_BUILD, cc_bcr);
- BUG_ON(!cc_bcr.v); /* Counters exist but No countable conditions ? */
+ if (WARN(!cc_bcr.v, "Counters exist but No countable conditions?"))
+ return -EINVAL;
arc_pmu = devm_kzalloc(&pdev->dev, sizeof(struct arc_pmu), GFP_KERNEL);
if (!arc_pmu)
return -ENOMEM;
+ arc_pmu->n_events = cc_bcr.c;
+
+ if (arc_pmu_raw_alloc(&pdev->dev))
+ return -ENOMEM;
+
has_interrupts = is_isa_arcv2() ? pct_bcr.i : 0;
arc_pmu->n_counters = pct_bcr.c;
@@ -481,30 +605,26 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
pr_info("ARC perf\t: %d counters (%d bits), %d conditions%s\n",
arc_pmu->n_counters, counter_size, cc_bcr.c,
- has_interrupts ? ", [overflow IRQ support]":"");
+ has_interrupts ? ", [overflow IRQ support]" : "");
- cc_name.str[8] = 0;
+ cc_name.str[ARCPMU_EVENT_NAME_LEN - 1] = 0;
for (i = 0; i < PERF_COUNT_ARC_HW_MAX; i++)
arc_pmu->ev_hw_idx[i] = -1;
/* loop thru all available h/w condition indexes */
- for (j = 0; j < cc_bcr.c; j++) {
- write_aux_reg(ARC_REG_CC_INDEX, j);
+ for (i = 0; i < cc_bcr.c; i++) {
+ write_aux_reg(ARC_REG_CC_INDEX, i);
cc_name.indiv.word0 = read_aux_reg(ARC_REG_CC_NAME0);
cc_name.indiv.word1 = read_aux_reg(ARC_REG_CC_NAME1);
- /* See if it has been mapped to a perf event_id */
- for (i = 0; i < ARRAY_SIZE(arc_pmu_ev_hw_map); i++) {
- if (arc_pmu_ev_hw_map[i] &&
- !strcmp(arc_pmu_ev_hw_map[i], cc_name.str) &&
- strlen(arc_pmu_ev_hw_map[i])) {
- pr_debug("mapping perf event %2d to h/w event \'%8s\' (idx %d)\n",
- i, cc_name.str, j);
- arc_pmu->ev_hw_idx[i] = j;
- }
- }
+ arc_pmu_map_hw_event(i, cc_name.str);
+ arc_pmu_add_raw_event_attr(i, cc_name.str);
}
+ arc_pmu_events_attr_gr.attrs = arc_pmu->attrs;
+ arc_pmu->attr_groups[ARCPMU_ATTR_GR_EVENTS] = &arc_pmu_events_attr_gr;
+ arc_pmu->attr_groups[ARCPMU_ATTR_GR_FORMATS] = &arc_pmu_format_attr_gr;
+
arc_pmu->pmu = (struct pmu) {
.pmu_enable = arc_pmu_enable,
.pmu_disable = arc_pmu_disable,
@@ -514,6 +634,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
.start = arc_pmu_start,
.stop = arc_pmu_stop,
.read = arc_pmu_read,
+ .attr_groups = arc_pmu->attr_groups,
};
if (has_interrupts) {
@@ -535,17 +656,19 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
} else
arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
- return perf_pmu_register(&arc_pmu->pmu, pdev->name, PERF_TYPE_RAW);
+ /*
+ * perf parser doesn't really like '-' symbol in events name, so let's
+ * use '_' in arc pct name as it goes to kernel PMU event prefix.
+ */
+ return perf_pmu_register(&arc_pmu->pmu, "arc_pct", PERF_TYPE_RAW);
}
-#ifdef CONFIG_OF
static const struct of_device_id arc_pmu_match[] = {
{ .compatible = "snps,arc700-pct" },
{ .compatible = "snps,archs-pct" },
{},
};
MODULE_DEVICE_TABLE(of, arc_pmu_match);
-#endif
static struct platform_driver arc_pmu_driver = {
.driver = {
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 2e018b8c2e19..7b2340996cf8 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -123,6 +123,7 @@ static void read_arc_build_cfg_regs(void)
struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()];
const struct id_to_str *tbl;
struct bcr_isa_arcv2 isa;
+ struct bcr_actionpoint ap;
FIX_PTR(cpu);
@@ -195,20 +196,40 @@ static void read_arc_build_cfg_regs(void)
cpu->bpu.full = bpu.ft;
cpu->bpu.num_cache = 256 << bpu.bce;
cpu->bpu.num_pred = 2048 << bpu.pte;
+ cpu->bpu.ret_stk = 4 << bpu.rse;
if (cpu->core.family >= 0x54) {
- unsigned int exec_ctrl;
- READ_BCR(AUX_EXEC_CTRL, exec_ctrl);
- cpu->extn.dual_enb = !(exec_ctrl & 1);
+ struct bcr_uarch_build_arcv2 uarch;
- /* dual issue always present for this core */
- cpu->extn.dual = 1;
+ /*
+ * The first 0x54 core (uarch maj:min 0:1 or 0:2) was
+ * dual issue only (HS4x). But next uarch rev (1:0)
+ * allows it be configured for single issue (HS3x)
+ * Ensure we fiddle with dual issue only on HS4x
+ */
+ READ_BCR(ARC_REG_MICRO_ARCH_BCR, uarch);
+
+ if (uarch.prod == 4) {
+ unsigned int exec_ctrl;
+
+ /* dual issue hardware always present */
+ cpu->extn.dual = 1;
+
+ READ_BCR(AUX_EXEC_CTRL, exec_ctrl);
+
+ /* dual issue hardware enabled ? */
+ cpu->extn.dual_enb = !(exec_ctrl & 1);
+
+ }
}
}
- READ_BCR(ARC_REG_AP_BCR, bcr);
- cpu->extn.ap = bcr.ver ? 1 : 0;
+ READ_BCR(ARC_REG_AP_BCR, ap);
+ if (ap.ver) {
+ cpu->extn.ap_num = 2 << ap.num;
+ cpu->extn.ap_full = !ap.min;
+ }
READ_BCR(ARC_REG_SMART_BCR, bcr);
cpu->extn.smart = bcr.ver ? 1 : 0;
@@ -216,8 +237,6 @@ static void read_arc_build_cfg_regs(void)
READ_BCR(ARC_REG_RTT_BCR, bcr);
cpu->extn.rtt = bcr.ver ? 1 : 0;
- cpu->extn.debug = cpu->extn.ap | cpu->extn.smart | cpu->extn.rtt;
-
READ_BCR(ARC_REG_ISA_CFG_BCR, isa);
/* some hacks for lack of feature BCR info in old ARC700 cores */
@@ -299,10 +318,10 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
if (cpu->bpu.ver)
n += scnprintf(buf + n, len - n,
- "BPU\t\t: %s%s match, cache:%d, Predict Table:%d",
+ "BPU\t\t: %s%s match, cache:%d, Predict Table:%d Return stk: %d",
IS_AVAIL1(cpu->bpu.full, "full"),
IS_AVAIL1(!cpu->bpu.full, "partial"),
- cpu->bpu.num_cache, cpu->bpu.num_pred);
+ cpu->bpu.num_cache, cpu->bpu.num_pred, cpu->bpu.ret_stk);
if (is_isa_arcv2()) {
struct bcr_lpb lpb;
@@ -336,11 +355,17 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len)
IS_AVAIL1(cpu->extn.fpu_sp, "SP "),
IS_AVAIL1(cpu->extn.fpu_dp, "DP "));
- if (cpu->extn.debug)
- n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s%s\n",
- IS_AVAIL1(cpu->extn.ap, "ActionPoint "),
+ if (cpu->extn.ap_num | cpu->extn.smart | cpu->extn.rtt) {
+ n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s",
IS_AVAIL1(cpu->extn.smart, "smaRT "),
IS_AVAIL1(cpu->extn.rtt, "RTT "));
+ if (cpu->extn.ap_num) {
+ n += scnprintf(buf + n, len - n, "ActionPoint %d/%s",
+ cpu->extn.ap_num,
+ cpu->extn.ap_full ? "full":"min");
+ }
+ n += scnprintf(buf + n, len - n, "\n");
+ }
if (cpu->dccm.sz || cpu->iccm.sz)
n += scnprintf(buf + n, len - n, "Extn [CCM]\t: DCCM @ %x, %d KB / ICCM: @ %x, %d KB\n",
@@ -453,43 +478,78 @@ void setup_processor(void)
arc_chk_core_config();
}
-static inline int is_kernel(unsigned long addr)
+static inline bool uboot_arg_invalid(unsigned long addr)
{
- if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
- return 1;
- return 0;
+ /*
+ * Check that it is a untranslated address (although MMU is not enabled
+ * yet, it being a high address ensures this is not by fluke)
+ */
+ if (addr < PAGE_OFFSET)
+ return true;
+
+ /* Check that address doesn't clobber resident kernel image */
+ return addr >= (unsigned long)_stext && addr <= (unsigned long)_end;
}
-void __init setup_arch(char **cmdline_p)
+#define IGNORE_ARGS "Ignore U-boot args: "
+
+/* uboot_tag values for U-boot - kernel ABI revision 0; see head.S */
+#define UBOOT_TAG_NONE 0
+#define UBOOT_TAG_CMDLINE 1
+#define UBOOT_TAG_DTB 2
+
+void __init handle_uboot_args(void)
{
-#ifdef CONFIG_ARC_UBOOT_SUPPORT
- /* make sure that uboot passed pointer to cmdline/dtb is valid */
- if (uboot_tag && is_kernel((unsigned long)uboot_arg))
- panic("Invalid uboot arg\n");
-
- /* See if u-boot passed an external Device Tree blob */
- machine_desc = setup_machine_fdt(uboot_arg); /* uboot_tag == 2 */
- if (!machine_desc)
-#endif
- {
- /* No, so try the embedded one */
+ bool use_embedded_dtb = true;
+ bool append_cmdline = false;
+
+ /* check that we know this tag */
+ if (uboot_tag != UBOOT_TAG_NONE &&
+ uboot_tag != UBOOT_TAG_CMDLINE &&
+ uboot_tag != UBOOT_TAG_DTB) {
+ pr_warn(IGNORE_ARGS "invalid uboot tag: '%08x'\n", uboot_tag);
+ goto ignore_uboot_args;
+ }
+
+ if (uboot_tag != UBOOT_TAG_NONE &&
+ uboot_arg_invalid((unsigned long)uboot_arg)) {
+ pr_warn(IGNORE_ARGS "invalid uboot arg: '%px'\n", uboot_arg);
+ goto ignore_uboot_args;
+ }
+
+ /* see if U-boot passed an external Device Tree blob */
+ if (uboot_tag == UBOOT_TAG_DTB) {
+ machine_desc = setup_machine_fdt((void *)uboot_arg);
+
+ /* external Device Tree blob is invalid - use embedded one */
+ use_embedded_dtb = !machine_desc;
+ }
+
+ if (uboot_tag == UBOOT_TAG_CMDLINE)
+ append_cmdline = true;
+
+ignore_uboot_args:
+
+ if (use_embedded_dtb) {
machine_desc = setup_machine_fdt(__dtb_start);
if (!machine_desc)
panic("Embedded DT invalid\n");
+ }
- /*
- * If we are here, it is established that @uboot_arg didn't
- * point to DT blob. Instead if u-boot says it is cmdline,
- * append to embedded DT cmdline.
- * setup_machine_fdt() would have populated @boot_command_line
- */
- if (uboot_tag == 1) {
- /* Ensure a whitespace between the 2 cmdlines */
- strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
- strlcat(boot_command_line, uboot_arg,
- COMMAND_LINE_SIZE);
- }
+ /*
+ * NOTE: @boot_command_line is populated by setup_machine_fdt() so this
+ * append processing can only happen after.
+ */
+ if (append_cmdline) {
+ /* Ensure a whitespace between the 2 cmdlines */
+ strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
+ strlcat(boot_command_line, uboot_arg, COMMAND_LINE_SIZE);
}
+}
+
+void __init setup_arch(char **cmdline_p)
+{
+ handle_uboot_args();
/* Save unparsed command line copy for /proc/cmdline */
*cmdline_p = boot_command_line;
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index e8d9fb452346..215f515442e0 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -18,6 +18,8 @@
#include <asm/arcregs.h>
#include <asm/irqflags.h>
+#define ARC_PATH_MAX 256
+
/*
* Common routine to print scratch regs (r0-r12) or callee regs (r13-r25)
* -Prints 3 regs per line and a CR.
@@ -58,11 +60,12 @@ static void show_callee_regs(struct callee_regs *cregs)
print_reg_file(&(cregs->r13), 13);
}
-static void print_task_path_n_nm(struct task_struct *tsk, char *buf)
+static void print_task_path_n_nm(struct task_struct *tsk)
{
char *path_nm = NULL;
struct mm_struct *mm;
struct file *exe_file;
+ char buf[ARC_PATH_MAX];
mm = get_task_mm(tsk);
if (!mm)
@@ -72,7 +75,7 @@ static void print_task_path_n_nm(struct task_struct *tsk, char *buf)
mmput(mm);
if (exe_file) {
- path_nm = file_path(exe_file, buf, 255);
+ path_nm = file_path(exe_file, buf, ARC_PATH_MAX-1);
fput(exe_file);
}
@@ -80,10 +83,9 @@ done:
pr_info("Path: %s\n", !IS_ERR(path_nm) ? path_nm : "?");
}
-static void show_faulting_vma(unsigned long address, char *buf)
+static void show_faulting_vma(unsigned long address)
{
struct vm_area_struct *vma;
- char *nm = buf;
struct mm_struct *active_mm = current->active_mm;
/* can't use print_vma_addr() yet as it doesn't check for
@@ -96,8 +98,11 @@ static void show_faulting_vma(unsigned long address, char *buf)
* if the container VMA is not found
*/
if (vma && (vma->vm_start <= address)) {
+ char buf[ARC_PATH_MAX];
+ char *nm = "?";
+
if (vma->vm_file) {
- nm = file_path(vma->vm_file, buf, PAGE_SIZE - 1);
+ nm = file_path(vma->vm_file, buf, ARC_PATH_MAX-1);
if (IS_ERR(nm))
nm = "?";
}
@@ -173,13 +178,14 @@ void show_regs(struct pt_regs *regs)
{
struct task_struct *tsk = current;
struct callee_regs *cregs;
- char *buf;
- buf = (char *)__get_free_page(GFP_KERNEL);
- if (!buf)
- return;
+ /*
+ * generic code calls us with preemption disabled, but some calls
+ * here could sleep, so re-enable to avoid lockdep splat
+ */
+ preempt_enable();
- print_task_path_n_nm(tsk, buf);
+ print_task_path_n_nm(tsk);
show_regs_print_info(KERN_INFO);
show_ecr_verbose(regs);
@@ -189,7 +195,7 @@ void show_regs(struct pt_regs *regs)
(void *)regs->blink, (void *)regs->ret);
if (user_mode(regs))
- show_faulting_vma(regs->ret, buf); /* faulting code, not data */
+ show_faulting_vma(regs->ret); /* faulting code, not data */
pr_info("[STAT32]: 0x%08lx", regs->status32);
@@ -222,7 +228,7 @@ void show_regs(struct pt_regs *regs)
if (cregs)
show_callee_regs(cregs);
- free_page((unsigned long)buf);
+ preempt_disable();
}
void show_kernel_fault_diag(const char *str, struct pt_regs *regs,
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index d34f69eb1a95..271e9fafa479 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -181,8 +181,7 @@ static void init_unwind_hdr(struct unwind_table *table,
*/
static void *__init unw_hdr_alloc_early(unsigned long sz)
{
- return memblock_alloc_from_nopanic(sz, sizeof(unsigned int),
- MAX_DMA_ADDRESS);
+ return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS);
}
static void *unw_hdr_alloc(unsigned long sz)
diff --git a/arch/arc/lib/memcpy-archs.S b/arch/arc/lib/memcpy-archs.S
index d61044dd8b58..ea14b0bf3116 100644
--- a/arch/arc/lib/memcpy-archs.S
+++ b/arch/arc/lib/memcpy-archs.S
@@ -25,15 +25,11 @@
#endif
#ifdef CONFIG_ARC_HAS_LL64
-# define PREFETCH_READ(RX) prefetch [RX, 56]
-# define PREFETCH_WRITE(RX) prefetchw [RX, 64]
# define LOADX(DST,RX) ldd.ab DST, [RX, 8]
# define STOREX(SRC,RX) std.ab SRC, [RX, 8]
# define ZOLSHFT 5
# define ZOLAND 0x1F
#else
-# define PREFETCH_READ(RX) prefetch [RX, 28]
-# define PREFETCH_WRITE(RX) prefetchw [RX, 32]
# define LOADX(DST,RX) ld.ab DST, [RX, 4]
# define STOREX(SRC,RX) st.ab SRC, [RX, 4]
# define ZOLSHFT 4
@@ -41,8 +37,6 @@
#endif
ENTRY_CFI(memcpy)
- prefetch [r1] ; Prefetch the read location
- prefetchw [r0] ; Prefetch the write location
mov.f 0, r2
;;; if size is zero
jz.d [blink]
@@ -72,8 +66,6 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy32_64bytes
;; LOOP START
LOADX (r6, r1)
- PREFETCH_READ (r1)
- PREFETCH_WRITE (r3)
LOADX (r8, r1)
LOADX (r10, r1)
LOADX (r4, r1)
@@ -117,9 +109,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_1
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location
SHIFT_1 (r7, r6, 24)
or r7, r7, r5
@@ -162,9 +152,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_2
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location
SHIFT_1 (r7, r6, 16)
or r7, r7, r5
@@ -204,9 +192,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_3
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location
SHIFT_1 (r7, r6, 8)
or r7, r7, r5
diff --git a/arch/arc/lib/memset-archs.S b/arch/arc/lib/memset-archs.S
index 62ad4bcb841a..f230bb7092fd 100644
--- a/arch/arc/lib/memset-archs.S
+++ b/arch/arc/lib/memset-archs.S
@@ -7,11 +7,39 @@
*/
#include <linux/linkage.h>
+#include <asm/cache.h>
-#undef PREALLOC_NOT_AVAIL
+/*
+ * The memset implementation below is optimized to use prefetchw and prealloc
+ * instruction in case of CPU with 64B L1 data cache line (L1_CACHE_SHIFT == 6)
+ * If you want to implement optimized memset for other possible L1 data cache
+ * line lengths (32B and 128B) you should rewrite code carefully checking
+ * we don't call any prefetchw/prealloc instruction for L1 cache lines which
+ * don't belongs to memset area.
+ */
+
+#if L1_CACHE_SHIFT == 6
+
+.macro PREALLOC_INSTR reg, off
+ prealloc [\reg, \off]
+.endm
+
+.macro PREFETCHW_INSTR reg, off
+ prefetchw [\reg, \off]
+.endm
+
+#else
+
+.macro PREALLOC_INSTR
+.endm
+
+.macro PREFETCHW_INSTR
+.endm
+
+#endif
ENTRY_CFI(memset)
- prefetchw [r0] ; Prefetch the write location
+ PREFETCHW_INSTR r0, 0 ; Prefetch the first write location
mov.f 0, r2
;;; if size is zero
jz.d [blink]
@@ -48,11 +76,8 @@ ENTRY_CFI(memset)
lpnz @.Lset64bytes
;; LOOP START
-#ifdef PREALLOC_NOT_AVAIL
- prefetchw [r3, 64] ;Prefetch the next write location
-#else
- prealloc [r3, 64]
-#endif
+ PREALLOC_INSTR r3, 64 ; alloc next line w/o fetching
+
#ifdef CONFIG_ARC_HAS_LL64
std.ab r4, [r3, 8]
std.ab r4, [r3, 8]
@@ -85,7 +110,6 @@ ENTRY_CFI(memset)
lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes
lpnz .Lset32bytes
;; LOOP START
- prefetchw [r3, 32] ;Prefetch the next write location
#ifdef CONFIG_ARC_HAS_LL64
std.ab r4, [r3, 8]
std.ab r4, [r3, 8]
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index a1d723197084..8df1638259f3 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -141,12 +141,17 @@ good_area:
*/
fault = handle_mm_fault(vma, address, flags);
- /* If Pagefault was interrupted by SIGKILL, exit page fault "early" */
if (fatal_signal_pending(current)) {
- if ((fault & VM_FAULT_ERROR) && !(fault & VM_FAULT_RETRY))
- up_read(&mm->mmap_sem);
- if (user_mode(regs))
+
+ /*
+ * if fault retry, mmap_sem already relinquished by core mm
+ * so OK to return to user mode (with signal handled first)
+ */
+ if (fault & VM_FAULT_RETRY) {
+ if (!user_mode(regs))
+ goto no_context;
return;
+ }
}
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c
index 48e700151810..11f57e2ced8a 100644
--- a/arch/arc/mm/highmem.c
+++ b/arch/arc/mm/highmem.c
@@ -124,6 +124,10 @@ static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr)
pmd_k = pmd_offset(pud_k, kvaddr);
pte_k = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+ if (!pte_k)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
+
pmd_populate_kernel(&init_mm, pmd_k, pte_k);
return pte_k;
}
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index 43bf4c3a1290..e1ab2d7f1d64 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -119,7 +119,8 @@ void __init setup_arch_memory(void)
*/
memblock_add_node(low_mem_start, low_mem_sz, 0);
- memblock_reserve(low_mem_start, __pa(_end) - low_mem_start);
+ memblock_reserve(CONFIG_LINUX_LINK_BASE,
+ __pa(_end) - CONFIG_LINUX_LINK_BASE);
#ifdef CONFIG_BLK_DEV_INITRD
if (phys_initrd_size) {
diff --git a/arch/arc/plat-hsdk/Kconfig b/arch/arc/plat-hsdk/Kconfig
index f25c085b9874..23e00216e5a5 100644
--- a/arch/arc/plat-hsdk/Kconfig
+++ b/arch/arc/plat-hsdk/Kconfig
@@ -9,6 +9,7 @@ menuconfig ARC_SOC_HSDK
bool "ARC HS Development Kit SOC"
depends on ISA_ARCV2
select ARC_HAS_ACCL_REGS
+ select ARC_IRQ_NO_AUTOSAVE
select CLK_HSDK
select RESET_HSDK
select HAVE_PCI
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 664e918e2624..5085a1eab9fc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2,6 +2,7 @@
config ARM
bool
default y
+ select ARCH_32BIT_OFF_T
select ARCH_CLOCKSOURCE_DATA
select ARCH_DISCARD_MEMBLOCK if !HAVE_ARCH_PFN_VALID && !KEXEC
select ARCH_HAS_DEBUG_VIRTUAL if MMU
@@ -12,9 +13,11 @@ config ARM
select ARCH_HAS_MEMBARRIER_SYNC_CORE
select ARCH_HAS_PTE_SPECIAL if ARM_LPAE
select ARCH_HAS_PHYS_TO_DMA
+ select ARCH_HAS_SETUP_DMA_OPS
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
select ARCH_HAS_STRICT_MODULE_RWX if MMU
+ select ARCH_HAS_TEARDOWN_DMA_OPS if MMU
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_GCOV_PROFILE_ALL
@@ -30,6 +33,7 @@ config ARM
select CLONE_BACKWARDS
select CPU_PM if SUSPEND || CPU_IDLE
select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS
+ select DMA_DECLARE_COHERENT
select DMA_REMAP if MMU
select EDAC_SUPPORT
select EDAC_ATOMIC_SCRUB
@@ -72,7 +76,6 @@ config ARM
select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL
select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select HAVE_GCC_PLUGINS
- select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)
select HAVE_IDE if PCI || ISA || PCMCIA
select HAVE_IRQ_TIME_ACCOUNTING
@@ -101,7 +104,6 @@ config ARM
select MODULES_USE_ELF_REL
select NEED_DMA_MAP_STATE
select OF_EARLY_FLATTREE if OF
- select OF_RESERVED_MEM if OF
select OLD_SIGACTION
select OLD_SIGSUSPEND3
select PCI_SYSCALL if PCI
@@ -589,11 +591,13 @@ config ARCH_DAVINCI
select GENERIC_ALLOCATOR
select GENERIC_CLOCKEVENTS
select GENERIC_IRQ_CHIP
+ select GENERIC_IRQ_MULTI_HANDLER
select GPIOLIB
select HAVE_IDE
select PM_GENERIC_DOMAINS if PM
select PM_GENERIC_DOMAINS_OF if PM && OF
select RESET_CONTROLLER
+ select SPARSE_IRQ
select USE_OF
select ZONE_DMA
help
@@ -750,6 +754,8 @@ source "arch/arm/mach-mediatek/Kconfig"
source "arch/arm/mach-meson/Kconfig"
+source "arch/arm/mach-milbeaut/Kconfig"
+
source "arch/arm/mach-mmp/Kconfig"
source "arch/arm/mach-moxart/Kconfig"
@@ -1400,6 +1406,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SMP
+ select GENERIC_IRQ_MIGRATION
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 9db3c584b2cb..00000e91ad65 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -190,6 +190,7 @@ machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
machine-$(CONFIG_ARCH_MVEBU) += mvebu
machine-$(CONFIG_ARCH_MXC) += imx
machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
+machine-$(CONFIG_ARCH_MILBEAUT) += milbeaut
machine-$(CONFIG_ARCH_MXS) += mxs
machine-$(CONFIG_ARCH_NETX) += netx
machine-$(CONFIG_ARCH_NOMADIK) += nomadik
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index bd40148a15b2..f4f5aeaf3298 100644
--- a/arch/arm/boot/dts/Makefile