Merge tag 'hisi-defconfig-for-4.20' of git://github.com/hisilicon/linux-hisi into...
authorOlof Johansson <olof@lixom.net>
Tue, 25 Sep 2018 18:39:42 +0000 (11:39 -0700)
committerOlof Johansson <olof@lixom.net>
Tue, 25 Sep 2018 18:39:42 +0000 (11:39 -0700)
ARM64: hisilicon: defconfig updates for 4.20

- Enable integrated NIC driver(hns3) for hisilicon SoCs
- Enable PCIe Port bus to support some PCIe features like
  AER, hotplug, PME and DPC

* tag 'hisi-defconfig-for-4.20' of git://github.com/hisilicon/linux-hisi:
  arm64: defconfig: Enable PCIEPORTBUS
  arm64: defconfig: enable HiSilicon HNS3 driver

Signed-off-by: Olof Johansson <olof@lixom.net>
547 files changed:
Documentation/ABI/stable/sysfs-bus-xen-backend
Documentation/ABI/testing/sysfs-driver-xen-blkback
Documentation/admin-guide/kernel-parameters.txt
Documentation/arm64/sve.txt
Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
Documentation/devicetree/bindings/interrupt-controller/riscv,cpu-intc.txt
Documentation/devicetree/bindings/net/cpsw.txt
Documentation/devicetree/bindings/net/sh_eth.txt
Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
Documentation/hwmon/ina2xx
Documentation/i2c/DMA-considerations
Documentation/process/changes.rst
Documentation/scsi/scsi-parameters.txt
MAINTAINERS
Makefile
arch/arc/Kconfig
arch/arc/Makefile
arch/arc/boot/dts/axc003.dtsi
arch/arc/boot/dts/axc003_idu.dtsi
arch/arc/boot/dts/axs10x_mb.dtsi
arch/arc/boot/dts/hsdk.dts
arch/arc/configs/axs101_defconfig
arch/arc/configs/axs103_defconfig
arch/arc/configs/axs103_smp_defconfig
arch/arc/configs/haps_hs_defconfig
arch/arc/configs/haps_hs_smp_defconfig
arch/arc/configs/hsdk_defconfig
arch/arc/configs/nps_defconfig
arch/arc/configs/nsim_700_defconfig
arch/arc/configs/nsim_hs_defconfig
arch/arc/configs/nsim_hs_smp_defconfig
arch/arc/configs/nsimosci_defconfig
arch/arc/configs/nsimosci_hs_defconfig
arch/arc/configs/nsimosci_hs_smp_defconfig
arch/arc/configs/tb10x_defconfig
arch/arc/configs/vdk_hs38_defconfig
arch/arc/configs/vdk_hs38_smp_defconfig
arch/arc/include/asm/atomic.h
arch/arc/include/asm/dma-mapping.h [new file with mode: 0644]
arch/arc/kernel/troubleshoot.c
arch/arc/mm/cache.c
arch/arc/mm/dma.c
arch/arm/boot/dts/am335x-osd3358-sm-red.dts [changed mode: 0755->0644]
arch/arm/boot/dts/am4372.dtsi
arch/arm/boot/dts/imx23-evk.dts
arch/arm/boot/dts/imx28-evk.dts
arch/arm/boot/dts/imx7d.dtsi
arch/arm/boot/dts/omap4-droid4-xt894.dts
arch/arm/configs/bcm2835_defconfig
arch/arm/configs/imx_v6_v7_defconfig
arch/arm/configs/multi_v7_defconfig
arch/arm/configs/mxs_defconfig
arch/arm/configs/versatile_defconfig
arch/arm/include/asm/kvm_host.h
arch/arm/mach-omap2/omap_hwmod.c
arch/arm64/Kconfig
arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
arch/arm64/configs/defconfig
arch/arm64/crypto/ghash-ce-glue.c
arch/arm64/crypto/sm4-ce-glue.c
arch/arm64/include/asm/kvm_host.h
arch/arm64/kvm/hyp/switch.c
arch/arm64/mm/mmu.c
arch/m68k/mac/misc.c
arch/m68k/mm/mcfmmu.c
arch/mips/include/asm/kvm_host.h
arch/mips/kernel/vdso.c
arch/mips/kvm/mmu.c
arch/nds32/Kconfig
arch/nds32/Makefile
arch/nds32/include/asm/elf.h
arch/nds32/include/asm/ftrace.h [new file with mode: 0644]
arch/nds32/include/asm/nds32.h
arch/nds32/include/asm/uaccess.h
arch/nds32/kernel/Makefile
arch/nds32/kernel/atl2c.c
arch/nds32/kernel/ex-entry.S
arch/nds32/kernel/ex-exit.S
arch/nds32/kernel/ftrace.c [new file with mode: 0644]
arch/nds32/kernel/module.c
arch/nds32/kernel/stacktrace.c
arch/nds32/kernel/traps.c
arch/nds32/kernel/vmlinux.lds.S
arch/nios2/Kconfig.debug
arch/powerpc/Kconfig
arch/powerpc/kvm/book3s_64_mmu_hv.c
arch/powerpc/kvm/book3s_64_mmu_radix.c
arch/riscv/include/asm/tlb.h
arch/riscv/kernel/sys_riscv.c
arch/s390/include/asm/mmu.h
arch/s390/kvm/kvm-s390.c
arch/s390/kvm/priv.c
arch/s390/kvm/vsie.c
arch/sparc/kernel/of_device_32.c
arch/sparc/kernel/of_device_64.c
arch/x86/Kconfig
arch/x86/Makefile
arch/x86/crypto/aesni-intel_asm.S
arch/x86/events/core.c
arch/x86/include/asm/atomic.h
arch/x86/include/asm/atomic64_32.h
arch/x86/include/asm/atomic64_64.h
arch/x86/include/asm/irqflags.h
arch/x86/include/asm/kdebug.h
arch/x86/include/asm/kvm_host.h
arch/x86/include/asm/pgtable-3level.h
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/pgtable_64.h
arch/x86/include/asm/processor.h
arch/x86/include/asm/signal.h
arch/x86/include/asm/stacktrace.h
arch/x86/include/asm/tlbflush.h
arch/x86/include/asm/vgtod.h
arch/x86/kernel/alternative.c
arch/x86/kernel/apic/vector.c
arch/x86/kernel/cpu/bugs.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/cpu/microcode/amd.c
arch/x86/kernel/cpu/microcode/intel.c
arch/x86/kernel/dumpstack.c
arch/x86/kernel/process_32.c
arch/x86/kernel/process_64.c
arch/x86/kernel/tsc.c
arch/x86/kvm/lapic.c
arch/x86/kvm/mmu.c
arch/x86/kvm/svm.c
arch/x86/kvm/vmx.c
arch/x86/kvm/x86.c
arch/x86/kvm/x86.h
arch/x86/lib/usercopy.c
arch/x86/mm/fault.c
arch/x86/mm/pageattr.c
arch/x86/mm/pgtable.c
arch/x86/mm/pti.c
arch/x86/mm/tlb.c
arch/x86/platform/efi/efi_32.c
arch/x86/xen/mmu_pv.c
block/bfq-cgroup.c
block/bio.c
block/blk-cgroup.c
block/blk-core.c
block/blk-throttle.c
block/blk-wbt.c
block/bsg.c
block/elevator.c
drivers/acpi/acpi_lpss.c
drivers/acpi/bus.c
drivers/ata/libata-core.c
drivers/ata/pata_ftide010.c
drivers/base/memory.c
drivers/base/power/clock_ops.c
drivers/block/nbd.c
drivers/block/rbd.c
drivers/block/xen-blkback/blkback.c
drivers/block/xen-blkback/common.h
drivers/block/xen-blkfront.c
drivers/bluetooth/Kconfig
drivers/bluetooth/btmtkuart.c
drivers/bus/ti-sysc.c
drivers/cdrom/cdrom.c
drivers/char/Kconfig
drivers/char/random.c
drivers/clk/clk-npcm7xx.c
drivers/clk/x86/clk-st.c
drivers/cpuidle/governors/menu.c
drivers/crypto/caam/caamalg_qi.c
drivers/crypto/caam/caampkc.c
drivers/crypto/caam/jr.c
drivers/crypto/cavium/nitrox/nitrox_dev.h
drivers/crypto/cavium/nitrox/nitrox_lib.c
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
drivers/crypto/chelsio/chtls/chtls.h
drivers/crypto/chelsio/chtls/chtls_main.c
drivers/crypto/vmx/aes_cbc.c
drivers/crypto/vmx/aes_xts.c
drivers/dax/device.c
drivers/firmware/arm_scmi/perf.c
drivers/gpio/gpio-adp5588.c
drivers/gpio/gpio-dwapb.c
drivers/gpio/gpiolib-acpi.c
drivers/gpio/gpiolib-of.c
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
drivers/gpu/drm/amd/amdgpu/kv_dpm.c
drivers/gpu/drm/amd/amdgpu/si_dpm.c
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
drivers/gpu/drm/amd/display/dc/core/dc_link.c
drivers/gpu/drm/i915/gvt/dmabuf.c
drivers/gpu/drm/i915/gvt/fb_decoder.c
drivers/gpu/drm/i915/gvt/fb_decoder.h
drivers/gpu/drm/i915/gvt/handlers.c
drivers/gpu/drm/i915/gvt/mmio_context.c
drivers/gpu/drm/i915/gvt/sched_policy.c
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/i915_vma.c
drivers/gpu/drm/i915/intel_audio.c
drivers/gpu/drm/i915/intel_ddi.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_dp.c
drivers/gpu/drm/i915/intel_dp_mst.c
drivers/gpu/drm/i915/intel_hdmi.c
drivers/gpu/drm/i915/intel_lspcon.c
drivers/gpu/drm/mediatek/mtk_disp_ovl.c
drivers/gpu/drm/mediatek/mtk_disp_rdma.c
drivers/gpu/drm/mediatek/mtk_drm_crtc.c
drivers/gpu/drm/mediatek/mtk_drm_crtc.h
drivers/gpu/drm/mediatek/mtk_drm_ddp.c
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
drivers/gpu/drm/mediatek/mtk_drm_drv.c
drivers/hwmon/adt7475.c
drivers/hwmon/ina2xx.c
drivers/hwmon/nct6775.c
drivers/hwmon/raspberrypi-hwmon.c
drivers/i2c/algos/i2c-algo-bit.c
drivers/i2c/busses/i2c-designware-master.c
drivers/i2c/busses/i2c-designware-platdrv.c
drivers/i2c/busses/i2c-i801.c
drivers/i2c/busses/i2c-imx-lpi2c.c
drivers/i2c/busses/i2c-sh_mobile.c
drivers/i2c/busses/i2c-uniphier-f.c
drivers/i2c/busses/i2c-uniphier.c
drivers/i2c/busses/i2c-xiic.c
drivers/i2c/i2c-core-base.c
drivers/irqchip/irq-gic-v3-its.c
drivers/md/md-cluster.c
drivers/md/raid10.c
drivers/md/raid5-log.h
drivers/md/raid5.c
drivers/memory/ti-aemif.c
drivers/mmc/core/queue.c
drivers/mmc/core/queue.h
drivers/mmc/host/android-goldfish.c
drivers/mmc/host/atmel-mci.c
drivers/mmc/host/renesas_sdhi_internal_dmac.c
drivers/mtd/nand/raw/denali.c
drivers/mtd/nand/raw/docg4.c
drivers/net/ethernet/broadcom/bnxt/bnxt.c
drivers/net/ethernet/broadcom/bnxt/bnxt.h
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
drivers/net/ethernet/broadcom/genet/bcmgenet.h
drivers/net/ethernet/broadcom/genet/bcmmii.c
drivers/net/ethernet/cadence/macb_main.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
drivers/net/ethernet/hisilicon/hns/hnae.h
drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h
drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.h
drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.h
drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
drivers/net/ethernet/hisilicon/hns/hns_enet.c
drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
drivers/net/ethernet/ibm/emac/core.c
drivers/net/ethernet/ibm/ibmvnic.c
drivers/net/ethernet/intel/e1000/e1000_ethtool.c
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
drivers/net/ethernet/intel/i40e/i40e_main.c
drivers/net/ethernet/intel/ice/ice.h
drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
drivers/net/ethernet/intel/ice/ice_common.c
drivers/net/ethernet/intel/ice/ice_controlq.c
drivers/net/ethernet/intel/ice/ice_ethtool.c
drivers/net/ethernet/intel/ice/ice_hw_autogen.h
drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
drivers/net/ethernet/intel/ice/ice_main.c
drivers/net/ethernet/intel/ice/ice_nvm.c
drivers/net/ethernet/intel/ice/ice_sched.c
drivers/net/ethernet/intel/ice/ice_switch.c
drivers/net/ethernet/intel/ice/ice_switch.h
drivers/net/ethernet/intel/ice/ice_txrx.h
drivers/net/ethernet/intel/ice/ice_type.h
drivers/net/ethernet/intel/igb/igb_ethtool.c
drivers/net/ethernet/intel/igb/igb_main.c
drivers/net/ethernet/intel/ixgb/ixgb_main.c
drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
drivers/net/ethernet/mellanox/mlx5/core/wq.c
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
drivers/net/ethernet/netronome/nfp/flower/action.c
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
drivers/net/ethernet/qlogic/qed/qed_init_ops.c
drivers/net/ethernet/qlogic/qed/qed_mcp.c
drivers/net/ethernet/qlogic/qed/qed_mcp.h
drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
drivers/net/ethernet/qlogic/qede/qede_filter.c
drivers/net/ethernet/qlogic/qlge/qlge_main.c
drivers/net/ethernet/realtek/r8169.c
drivers/net/ethernet/renesas/ravb.h
drivers/net/ethernet/renesas/ravb_main.c
drivers/net/ethernet/renesas/sh_eth.c
drivers/net/ethernet/renesas/sh_eth.h
drivers/net/ethernet/stmicro/stmmac/Kconfig
drivers/net/ethernet/stmicro/stmmac/stmmac.h
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
drivers/net/ethernet/ti/cpsw-phy-sel.c
drivers/net/hyperv/netvsc_drv.c
drivers/net/phy/sfp.c
drivers/net/usb/r8152.c
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
drivers/net/wireless/mac80211_hwsim.c
drivers/nvme/host/pci.c
drivers/nvme/target/core.c
drivers/nvme/target/fcloop.c
drivers/of/base.c
drivers/of/platform.c
drivers/scsi/Kconfig
drivers/scsi/aacraid/aacraid.h
drivers/scsi/csiostor/csio_hw.c
drivers/scsi/csiostor/csio_hw.h
drivers/scsi/csiostor/csio_mb.c
drivers/scsi/hosts.c
drivers/scsi/hpsa.c
drivers/scsi/lpfc/lpfc.h
drivers/scsi/lpfc/lpfc_attr.c
drivers/scsi/scsi_lib.c
drivers/target/iscsi/cxgbit/cxgbit_ddp.c
drivers/thermal/of-thermal.c
drivers/thermal/qoriq_thermal.c
drivers/thermal/rcar_gen3_thermal.c
drivers/thermal/rcar_thermal.c
drivers/vhost/vhost.c
drivers/xen/xenbus/xenbus_probe.c
fs/afs/proc.c
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c
fs/btrfs/qgroup.c
fs/btrfs/tree-log.c
fs/btrfs/tree-log.h
fs/btrfs/volumes.c
fs/buffer.c
fs/ceph/super.c
fs/cifs/cifs_unicode.c
fs/cifs/connect.c
fs/cifs/inode.c
fs/cifs/smb2misc.c
fs/cifs/smb2ops.c
fs/cifs/smb2pdu.c
fs/isofs/inode.c
fs/nilfs2/alloc.c
fs/nilfs2/alloc.h
fs/nilfs2/bmap.c
fs/nilfs2/bmap.h
fs/nilfs2/btnode.c
fs/nilfs2/btnode.h
fs/nilfs2/btree.c
fs/nilfs2/btree.h
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fs/nilfs2/cpfile.h
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fs/nilfs2/dir.c
fs/nilfs2/direct.c
fs/nilfs2/direct.h
fs/nilfs2/file.c
fs/nilfs2/gcinode.c
fs/nilfs2/ifile.c
fs/nilfs2/ifile.h
fs/nilfs2/inode.c
fs/nilfs2/ioctl.c
fs/nilfs2/mdt.c
fs/nilfs2/mdt.h
fs/nilfs2/namei.c
fs/nilfs2/nilfs.h
fs/nilfs2/page.c
fs/nilfs2/page.h
fs/nilfs2/recovery.c
fs/nilfs2/segbuf.c
fs/nilfs2/segbuf.h
fs/nilfs2/segment.c
fs/nilfs2/segment.h
fs/nilfs2/sufile.c
fs/nilfs2/sufile.h
fs/nilfs2/super.c
fs/nilfs2/sysfs.c
fs/nilfs2/sysfs.h
fs/nilfs2/the_nilfs.c
fs/nilfs2/the_nilfs.h
fs/notify/fsnotify.c
fs/notify/mark.c
fs/quota/quota.c
fs/udf/super.c
include/linux/arm-smccc.h
include/linux/blk-cgroup.h
include/linux/i2c.h
include/linux/of.h
include/linux/pci_ids.h
include/linux/platform_data/ina2xx.h
include/linux/quota.h
include/linux/timekeeping.h
include/linux/tracepoint.h
include/net/act_api.h
include/net/cfg80211.h
include/net/pkt_cls.h
include/net/regulatory.h
include/uapi/linux/keyctl.h
include/uapi/linux/rds.h
include/uapi/linux/vhost.h
ipc/shm.c
kernel/bpf/hashtab.c
kernel/bpf/sockmap.c
kernel/cpu.c
kernel/dma/direct.c
kernel/fork.c
kernel/printk/printk.c
kernel/printk/printk_safe.c
kernel/time/clocksource.c
kernel/watchdog.c
kernel/watchdog_hld.c
kernel/workqueue.c
lib/Kconfig.debug
lib/percpu_counter.c
lib/rhashtable.c
mm/backing-dev.c
mm/huge_memory.c
mm/kmemleak.c
mm/memcontrol.c
mm/memory_hotplug.c
mm/oom_kill.c
mm/page-writeback.c
mm/page_alloc.c
mm/slub.c
mm/util.c
net/core/dev.c
net/core/filter.c
net/core/rtnetlink.c
net/dsa/dsa.c
net/dsa/slave.c
net/ipv4/igmp.c
net/ipv4/ip_gre.c
net/ipv4/tcp_bbr.c
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_minisocks.c
net/ipv6/addrconf.c
net/ipv6/af_inet6.c
net/ipv6/ip6_fib.c
net/ipv6/ip6_gre.c
net/ipv6/ip6_tunnel.c
net/ipv6/ip6_vti.c
net/ipv6/route.c
net/mac80211/ibss.c
net/mac80211/main.c
net/mac80211/mesh_hwmp.c
net/mac80211/mlme.c
net/mac80211/rx.c
net/mac80211/tx.c
net/mac80211/util.c
net/ncsi/ncsi-netlink.c
net/packet/af_packet.c
net/packet/internal.h
net/rds/Kconfig
net/rds/ib.c
net/rds/tcp.c
net/rfkill/rfkill-gpio.c
net/sched/act_api.c
net/sched/act_bpf.c
net/sched/act_connmark.c
net/sched/act_csum.c
net/sched/act_gact.c
net/sched/act_ife.c
net/sched/act_ipt.c
net/sched/act_mirred.c
net/sched/act_nat.c
net/sched/act_pedit.c
net/sched/act_police.c
net/sched/act_sample.c
net/sched/act_simple.c
net/sched/act_skbedit.c
net/sched/act_skbmod.c
net/sched/act_tunnel_key.c
net/sched/act_vlan.c
net/sched/cls_api.c
net/sched/cls_u32.c
net/sched/sch_cake.c
net/sctp/proc.c
net/sctp/socket.c
net/tipc/bcast.c
net/tipc/diag.c
net/tipc/name_table.c
net/tipc/name_table.h
net/tipc/netlink.c
net/tipc/socket.c
net/tipc/socket.h
net/tipc/topsrv.c
net/tls/tls_main.c
net/wireless/nl80211.c
net/wireless/reg.c
net/wireless/util.c
net/xdp/xdp_umem.c
scripts/Kbuild.include
scripts/Makefile.build
scripts/checkpatch.pl
scripts/depmod.sh
scripts/kconfig/Makefile
scripts/kconfig/check-pkgconfig.sh [deleted file]
scripts/kconfig/gconf-cfg.sh
scripts/kconfig/mconf-cfg.sh
scripts/kconfig/mconf.c
scripts/kconfig/nconf-cfg.sh
scripts/kconfig/qconf-cfg.sh
scripts/recordmcount.pl
scripts/setlocalversion
security/apparmor/secid.c
security/keys/dh.c
sound/core/rawmidi.c
sound/hda/ext/hdac_ext_stream.c
sound/pci/hda/hda_codec.c
tools/bpf/bpftool/map.c
tools/bpf/bpftool/map_perf_ring.c
tools/kvm/kvm_stat/kvm_stat
tools/testing/selftests/net/pmtu.sh
tools/testing/selftests/tc-testing/tc-tests/actions/police.json
tools/vm/page-types.c
tools/vm/slabinfo.c
virt/kvm/arm/mmu.c
virt/kvm/arm/trace.h

index 3d5951c8bf5fe8b27f47b016289c910f90af97e6..e8b60bd766f7649a430a877628e73d8936d66cbb 100644 (file)
@@ -73,3 +73,12 @@ KernelVersion:       3.0
 Contact:       Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
 Description:
                 Number of sectors written by the frontend.
+
+What:          /sys/bus/xen-backend/devices/*/state
+Date:          August 2018
+KernelVersion: 4.19
+Contact:       Joe Jin <joe.jin@oracle.com>
+Description:
+                The state of the device. One of: 'Unknown',
+                'Initialising', 'Initialised', 'Connected', 'Closing',
+                'Closed', 'Reconfiguring', 'Reconfigured'.
index 8bb43b66eb55a1f8c0cbac1917301b2e96a55bbc..4e7babb3ba1fecc673018253d4adbb860e0cb8a4 100644 (file)
@@ -15,3 +15,13 @@ Description:
                 blkback. If the frontend tries to use more than
                 max_persistent_grants, the LRU kicks in and starts
                 removing 5% of max_persistent_grants every 100ms.
+
+What:           /sys/module/xen_blkback/parameters/persistent_grant_unused_seconds
+Date:           August 2018
+KernelVersion:  4.19
+Contact:        Roger Pau MonnĂ© <roger.pau@citrix.com>
+Description:
+                How long a persistent grant is allowed to remain
+                allocated without being in use. The time is in
+                seconds, 0 means indefinitely long.
+                The default is 60 seconds.
index 9871e649ffeffe8798cd20a1450377a4f4777fca..64a3bf54b97492e3b2b25508a7785d1f1e9e4186 100644 (file)
        ramdisk_size=   [RAM] Sizes of RAM disks in kilobytes
                        See Documentation/blockdev/ramdisk.txt.
 
+       random.trust_cpu={on,off}
+                       [KNL] Enable or disable trusting the use of the
+                       CPU's random number generator (if available) to
+                       fully seed the kernel's CRNG. Default is controlled
+                       by CONFIG_RANDOM_TRUST_CPU.
+
        ras=option[,option,...] [KNL] RAS-specific options
 
                cec_disable     [X86]
index f128f736b4a5025f6c1964253b05472d6c76dc8b..7169a0ec41d86911ad4a9c7fc34488841dc7c1e6 100644 (file)
@@ -200,7 +200,7 @@ prctl(PR_SVE_SET_VL, unsigned long arg)
       thread.
 
     * Changing the vector length causes all of P0..P15, FFR and all bits of
-      Z0..V31 except for Z0 bits [127:0] .. Z31 bits [127:0] to become
+      Z0..Z31 except for Z0 bits [127:0] .. Z31 bits [127:0] to become
       unspecified.  Calling PR_SVE_SET_VL with vl equal to the thread's current
       vector length, or calling PR_SVE_SET_VL with the PR_SVE_SET_VL_ONEXEC
       flag, does not constitute a change to the vector length for this purpose.
@@ -500,7 +500,7 @@ References
 [2] arch/arm64/include/uapi/asm/ptrace.h
     AArch64 Linux ptrace ABI definitions
 
-[3] linux/Documentation/arm64/cpu-feature-registers.txt
+[3] Documentation/arm64/cpu-feature-registers.txt
 
 [4] ARM IHI0055C
     http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055c/IHI0055C_beta_aapcs64.pdf
index 00e4365d720685679824b8d6659fd59a58845ec2..091c8dfd322910e14712d4a818e9879538abf3d9 100644 (file)
@@ -3,7 +3,6 @@
 Required properties:
 - compatible :
   - "fsl,imx7ulp-lpi2c" for LPI2C compatible with the one integrated on i.MX7ULP soc
-  - "fsl,imx8dv-lpi2c" for LPI2C compatible with the one integrated on i.MX8DV soc
 - reg : address and length of the lpi2c master registers
 - interrupts : lpi2c interrupt
 - clocks : lpi2c clock specifier
@@ -11,7 +10,7 @@ Required properties:
 Examples:
 
 lpi2c7: lpi2c7@40a50000 {
-       compatible = "fsl,imx8dv-lpi2c";
+       compatible = "fsl,imx7ulp-lpi2c";
        reg = <0x40A50000 0x10000>;
        interrupt-parent = <&intc>;
        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
index b0a8af51c388c51f544b4b4cc391563a08e82ca9..265b223cd9780158a8415e96ce7dfb16c192237a 100644 (file)
@@ -11,7 +11,7 @@ The RISC-V supervisor ISA manual specifies three interrupt sources that are
 attached to every HLIC: software interrupts, the timer interrupt, and external
 interrupts.  Software interrupts are used to send IPIs between cores.  The
 timer interrupt comes from an architecturally mandated real-time timer that is
-controller via Supervisor Binary Interface (SBI) calls and CSR reads.  External
+controlled via Supervisor Binary Interface (SBI) calls and CSR reads.  External
 interrupts connect all other device interrupts to the HLIC, which are routed
 via the platform-level interrupt controller (PLIC).
 
@@ -25,7 +25,15 @@ in the system.
 
 Required properties:
 - compatible : "riscv,cpu-intc"
-- #interrupt-cells : should be <1>
+- #interrupt-cells : should be <1>.  The interrupt sources are defined by the
+  RISC-V supervisor ISA manual, with only the following three interrupts being
+  defined for supervisor mode:
+    - Source 1 is the supervisor software interrupt, which can be sent by an SBI
+      call and is reserved for use by software.
+    - Source 5 is the supervisor timer interrupt, which can be configured by
+      SBI calls and implements a one-shot timer.
+    - Source 9 is the supervisor external interrupt, which chains to all other
+      device interrupts.
 - interrupt-controller : Identifies the node as an interrupt controller
 
 Furthermore, this interrupt-controller MUST be embedded inside the cpu
@@ -38,7 +46,7 @@ An example device tree entry for a HLIC is show below.
                ...
                cpu1-intc: interrupt-controller {
                        #interrupt-cells = <1>;
-                       compatible = "riscv,cpu-intc", "sifive,fu540-c000-cpu-intc";
+                       compatible = "sifive,fu540-c000-cpu-intc", "riscv,cpu-intc";
                        interrupt-controller;
                };
        };
index 41089369f89134b3fb42c98766a46986f1806cd4..b3acebe08eb0a9d4e3d4ac315cd513e340c65f16 100644 (file)
@@ -19,6 +19,10 @@ Required properties:
 - slaves               : Specifies number for slaves
 - active_slave         : Specifies the slave to use for time stamping,
                          ethtool and SIOCGMIIPHY
+- cpsw-phy-sel         : Specifies the phandle to the CPSW phy mode selection
+                         device. See also cpsw-phy-sel.txt for it's binding.
+                         Note that in legacy cases cpsw-phy-sel may be
+                         a child device instead of a phandle.
 
 Optional properties:
 - ti,hwmods            : Must be "cpgmac0"
@@ -75,6 +79,7 @@ Examples:
                cpts_clock_mult = <0x80000000>;
                cpts_clock_shift = <29>;
                syscon = <&cm>;
+               cpsw-phy-sel = <&phy_sel>;
                cpsw_emac0: slave@0 {
                        phy_id = <&davinci_mdio>, <0>;
                        phy-mode = "rgmii-txid";
@@ -103,6 +108,7 @@ Examples:
                cpts_clock_mult = <0x80000000>;
                cpts_clock_shift = <29>;
                syscon = <&cm>;
+               cpsw-phy-sel = <&phy_sel>;
                cpsw_emac0: slave@0 {
                        phy_id = <&davinci_mdio>, <0>;
                        phy-mode = "rgmii-txid";
index 76db9f13ad96c08b77f5dae0af4ea616254ee811..abc36274227c7299bf5ec088e21ebdeed25a3950 100644 (file)
@@ -16,6 +16,7 @@ Required properties:
              "renesas,ether-r8a7794"  if the device is a part of R8A7794 SoC.
              "renesas,gether-r8a77980" if the device is a part of R8A77980 SoC.
              "renesas,ether-r7s72100" if the device is a part of R7S72100 SoC.
+             "renesas,ether-r7s9210" if the device is a part of R7S9210 SoC.
              "renesas,rcar-gen1-ether" for a generic R-Car Gen1 device.
              "renesas,rcar-gen2-ether" for a generic R-Car Gen2 or RZ/G1
                                        device.
index 5d47a262474cfe0e4b32d1d814c6ac8bd3a20d45..9407212a85a8cac6918c56a27380bdb101e7af31 100644 (file)
@@ -7,6 +7,7 @@ Required properties:
               Examples with soctypes are:
                 - "renesas,r8a7743-wdt" (RZ/G1M)
                 - "renesas,r8a7745-wdt" (RZ/G1E)
+                - "renesas,r8a774a1-wdt" (RZ/G2M)
                 - "renesas,r8a7790-wdt" (R-Car H2)
                 - "renesas,r8a7791-wdt" (R-Car M2-W)
                 - "renesas,r8a7792-wdt" (R-Car V2H)
@@ -21,8 +22,8 @@ Required properties:
                 - "renesas,r7s72100-wdt" (RZ/A1)
                The generic compatible string must be:
                 - "renesas,rza-wdt" for RZ/A
-                - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G
-                - "renesas,rcar-gen3-wdt" for R-Car Gen3
+                - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G1
+                - "renesas,rcar-gen3-wdt" for R-Car Gen3 and RZ/G2
 
 - reg : Should contain WDT registers location and length
 - clocks : the clock feeding the watchdog timer.
index 72d16f08e431c674c62738641d7c28926d6331cb..b8df81f6d6bcf995e098ebb4dce0a57a483bba66 100644 (file)
@@ -32,7 +32,7 @@ Supported chips:
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/
 
-Author: Lothar Felten <l-felten@ti.com>
+Author: Lothar Felten <lothar.felten@gmail.com>
 
 Description
 -----------
index 966610aa4620fa8ce19e52fffd2d44c5a2128367..203002054120568135a01f7e4ab343a5223279bd 100644 (file)
@@ -50,10 +50,14 @@ bounce buffer. But you don't need to care about that detail, just use the
 returned buffer. If NULL is returned, the threshold was not met or a bounce
 buffer could not be allocated. Fall back to PIO in that case.
 
-In any case, a buffer obtained from above needs to be released. It ensures data
-is copied back to the message and a potentially used bounce buffer is freed::
+In any case, a buffer obtained from above needs to be released. Another helper
+function ensures a potentially used bounce buffer is freed::
 
-       i2c_release_dma_safe_msg_buf(msg, dma_buf);
+       i2c_put_dma_safe_msg_buf(dma_buf, msg, xferred);
+
+The last argument 'xferred' controls if the buffer is synced back to the
+message or not. No syncing is needed in cases setting up DMA had an error and
+there was no data transferred.
 
 The bounce buffer handling from the core is generic and simple. It will always
 allocate a new bounce buffer. If you want a more sophisticated handling (e.g.
index 61f918b10a0c74d7c8369009ce0b6447d31f903a..d1bf143b446f3b60bc374b40dc7b6818d1c21aa8 100644 (file)
@@ -86,7 +86,7 @@ pkg-config
 
 The build system, as of 4.18, requires pkg-config to check for installed
 kconfig tools and to determine flags settings for use in
-'make {menu,n,g,x}config'.  Previously pkg-config was being used but not
+'make {g,x}config'.  Previously pkg-config was being used but not
 verified or documented.
 
 Flex
index 25a4b4cf04a6d462f4b640a396ae178b561984e2..92999d4e0cb800cfad588f413a0a23210fe92861 100644 (file)
@@ -97,6 +97,11 @@ parameters may be changed at runtime by the command
                        allowing boot to proceed.  none ignores them, expecting
                        user space to do the scan.
 
+       scsi_mod.use_blk_mq=
+                       [SCSI] use blk-mq I/O path by default
+                       See SCSI_MQ_DEFAULT in drivers/scsi/Kconfig.
+                       Format: <y/n>
+
        sim710=         [SCSI,HW]
                        See header of drivers/scsi/sim710.c.
 
index a5b256b259057c564f76c508e0fcf648e47938d7..d870cb57c887a1c5fa773a8fd9d614c54cb3cce0 100644 (file)
@@ -2311,6 +2311,7 @@ F:        drivers/clocksource/cadence_ttc_timer.c
 F:     drivers/i2c/busses/i2c-cadence.c
 F:     drivers/mmc/host/sdhci-of-arasan.c
 F:     drivers/edac/synopsys_edac.c
+F:     drivers/i2c/busses/i2c-xiic.c
 
 ARM64 PORT (AARCH64 ARCHITECTURE)
 M:     Catalin Marinas <catalin.marinas@arm.com>
@@ -8255,9 +8256,9 @@ F:        drivers/ata/pata_arasan_cf.c
 
 LIBATA PATA DRIVERS
 M:     Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
-M:     Jens Axboe <kernel.dk>
+M:     Jens Axboe <axboe@kernel.dk>
 L:     linux-ide@vger.kernel.org
-T:     git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
 S:     Maintained
 F:     drivers/ata/pata_*.c
 F:     drivers/ata/ata_generic.c
@@ -8275,7 +8276,7 @@ LIBATA SATA AHCI PLATFORM devices support
 M:     Hans de Goede <hdegoede@redhat.com>
 M:     Jens Axboe <axboe@kernel.dk>
 L:     linux-ide@vger.kernel.org
-T:     git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
 S:     Maintained
 F:     drivers/ata/ahci_platform.c
 F:     drivers/ata/libahci_platform.c
@@ -8291,7 +8292,7 @@ F:        drivers/ata/sata_promise.*
 LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)
 M:     Jens Axboe <axboe@kernel.dk>
 L:     linux-ide@vger.kernel.org
-T:     git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
 S:     Maintained
 F:     drivers/ata/
 F:     include/linux/ata.h
index 2b458801ba7418a9897bce84a116105f2f87a18c..4d5c883a98e5a018b4ac301cd420a5745886d500 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 4
 PATCHLEVEL = 19
 SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc3
 NAME = Merciless Moray
 
 # *DOCUMENTATION*
@@ -807,6 +807,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
 
+# disable stringop warnings in gcc 8+
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+
 # disable invalid "can't wrap" optimizations for signed / pointers
 KBUILD_CFLAGS  += $(call cc-option,-fno-strict-overflow)
 
index 6d5eb8267e429fa3eac927b053c31944500a74da..b4441b0764d71aff87b67fba665163b57bdb20b6 100644 (file)
@@ -9,6 +9,7 @@
 config ARC
        def_bool y
        select ARC_TIMERS
+       select ARCH_HAS_PTE_SPECIAL
        select ARCH_HAS_SYNC_DMA_FOR_CPU
        select ARCH_HAS_SYNC_DMA_FOR_DEVICE
        select ARCH_HAS_SG_CHAIN
@@ -28,8 +29,12 @@ config ARC
        select GENERIC_SMP_IDLE_THREAD
        select HAVE_ARCH_KGDB
        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
        select HAVE_KPROBES
        select HAVE_KRETPROBES
        select HAVE_MEMBLOCK
@@ -44,11 +49,6 @@ config ARC
        select OF_EARLY_FLATTREE
        select OF_RESERVED_MEM
        select PERF_USE_VMALLOC if ARC_CACHE_VIPT_ALIASING
-       select HAVE_DEBUG_STACKOVERFLOW
-       select HAVE_GENERIC_DMA_COHERENT
-       select HAVE_KERNEL_GZIP
-       select HAVE_KERNEL_LZMA
-       select ARCH_HAS_PTE_SPECIAL
 
 config ARCH_HAS_CACHE_LINE_SIZE
        def_bool y
index fb026196aaabac06629621fdfb15a593356833ee..99cce77ab98f2d79c3dbef3130bff70b91ea076d 100644 (file)
@@ -43,10 +43,7 @@ ifdef CONFIG_ARC_CURR_IN_REG
 LINUXINCLUDE   +=  -include ${src}/arch/arc/include/asm/current.h
 endif
 
-upto_gcc44    :=  $(call cc-ifversion, -le, 0404, y)
-atleast_gcc44 :=  $(call cc-ifversion, -ge, 0404, y)
-
-cflags-$(atleast_gcc44)                        += -fsection-anchors
+cflags-y                               += -fsection-anchors
 
 cflags-$(CONFIG_ARC_HAS_LLSC)          += -mlock
 cflags-$(CONFIG_ARC_HAS_SWAPE)         += -mswape
@@ -82,11 +79,6 @@ cflags-$(disable_small_data)         += -mno-sdata -fcall-used-gp
 cflags-$(CONFIG_CPU_BIG_ENDIAN)                += -mbig-endian
 ldflags-$(CONFIG_CPU_BIG_ENDIAN)       += -EB
 
-# STAR 9000518362: (fixed with binutils shipping with gcc 4.8)
-# arc-linux-uclibc-ld (buildroot) or arceb-elf32-ld (EZChip) don't accept
-# --build-id w/o "-marclinux". Default arc-elf32-ld is OK
-ldflags-$(upto_gcc44)                  += -marclinux
-
 LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
 
 # Modules with short calls might break for calls into builtin-kernel
index dc91c663bcc02e2cdc116f40ad31757d711ac485..d75d65ddf8e31db78c58fa9882b90c2e6be2ed4b 100644 (file)
                };
        };
 
+       /*
+        * Mark DMA peripherals connected via IOC port as dma-coherent. We do
+        * it via overlay because peripherals defined in axs10x_mb.dtsi are
+        * used for both AXS101 and AXS103 boards and only AXS103 has IOC (so
+        * only AXS103 board has HW-coherent DMA peripherals)
+        * We don't need to mark pgu@17000 as dma-coherent because it uses
+        * external DMA buffer located outside of IOC aperture.
+        */
+       axs10x_mb {
+               ethernet@0x18000 {
+                       dma-coherent;
+               };
+
+               ehci@0x40000 {
+                       dma-coherent;
+               };
+
+               ohci@0x60000 {
+                       dma-coherent;
+               };
+
+               mmc@0x15000 {
+                       dma-coherent;
+               };
+       };
+
        /*
         * The DW APB ICTL intc on MB is connected to CPU intc via a
         * DT "invisible" DW APB GPIO block, configured to simply pass thru
index 69ff4895f2ba4b558f2bdfed547ef0ec27288174..a05bb737ea6392f5e77cd3830dceb8afe620943e 100644 (file)
                };
        };
 
+       /*
+        * Mark DMA peripherals connected via IOC port as dma-coherent. We do
+        * it via overlay because peripherals defined in axs10x_mb.dtsi are
+        * used for both AXS101 and AXS103 boards and only AXS103 has IOC (so
+        * only AXS103 board has HW-coherent DMA peripherals)
+        * We don't need to mark pgu@17000 as dma-coherent because it uses
+        * external DMA buffer located outside of IOC aperture.
+        */
+       axs10x_mb {
+               ethernet@0x18000 {
+                       dma-coherent;
+               };
+
+               ehci@0x40000 {
+                       dma-coherent;
+               };
+
+               ohci@0x60000 {
+                       dma-coherent;
+               };
+
+               mmc@0x15000 {
+                       dma-coherent;
+               };
+       };
+
        /*
         * This INTC is actually connected to DW APB GPIO
         * which acts as a wire between MB INTC and CPU INTC.
index 47b74fbc403c21cc2f493f6f84d6216b7c5ef5c1..37bafd44e36d0fed9b85e80ea356cd78df0c1872 100644 (file)
@@ -9,6 +9,10 @@
  */
 
 / {
+       aliases {
+               ethernet = &gmac;
+       };
+
        axs10x_mb {
                compatible = "simple-bus";
                #address-cells = <1>;
@@ -68,7 +72,7 @@
                        };
                };
 
-               ethernet@0x18000 {
+               gmac: ethernet@0x18000 {
                        #interrupt-cells = <1>;
                        compatible = "snps,dwmac";
                        reg = < 0x18000 0x2000 >;
@@ -81,6 +85,7 @@
                        max-speed = <100>;
                        resets = <&creg_rst 5>;
                        reset-names = "stmmaceth";
+                       mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */
                };
 
                ehci@0x40000 {
index 006aa3de5348f31c7462f52f173ad2e74434d062..ef149f59929ae394a30695fa0940060acef15817 100644 (file)
                bootargs = "earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";
        };
 
+       aliases {
+               ethernet = &gmac;
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
                        #clock-cells = <0>;
                };
 
-               ethernet@8000 {
+               gmac: ethernet@8000 {
                        #interrupt-cells = <1>;
                        compatible = "snps,dwmac";
                        reg = <0x8000 0x2000>;
                        phy-handle = <&phy0>;
                        resets = <&cgu_rst HSDK_ETH_RESET>;
                        reset-names = "stmmaceth";
+                       mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */
+                       dma-coherent;
 
                        mdio {
                                #address-cells = <1>;
                        compatible = "snps,hsdk-v1.0-ohci", "generic-ohci";
                        reg = <0x60000 0x100>;
                        interrupts = <15>;
+                       dma-coherent;
                };
 
                ehci@40000 {
                        compatible = "snps,hsdk-v1.0-ehci", "generic-ehci";
                        reg = <0x40000 0x100>;
                        interrupts = <15>;
+                       dma-coherent;
                };
 
                mmc@a000 {
                        clock-names = "biu", "ciu";
                        interrupts = <12>;
                        bus-width = <4>;
+                       dma-coherent;
                };
        };
 
index a635ea972304e3531b205c23a0e3ef814608e313..41bc08be6a3b4202bbe27f74fdc8e01a56e4c3cd 100644 (file)
@@ -1,5 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
-# CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -63,7 +61,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 CONFIG_MOUSE_SERIAL=y
 CONFIG_MOUSE_SYNAPTICS_USB=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
index aa507e423075b16be125d95fbb29b55b5b08683c..1e1c4a8011b523dc88b89fb39e90dfeab5a3154b 100644 (file)
@@ -1,5 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
-# CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -64,7 +62,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 CONFIG_MOUSE_SERIAL=y
 CONFIG_MOUSE_SYNAPTICS_USB=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
index eba07f4686545ed00383756ae53ba404b2b2b25e..6b0c0cfd5c304fd6ae58fc3fd92d9cb53e086d2d 100644 (file)
@@ -1,5 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
-# CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -65,7 +63,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 CONFIG_MOUSE_SERIAL=y
 CONFIG_MOUSE_SYNAPTICS_USB=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
index 098b19fbaa51f0116e7f0328eb3a17feb72f0123..240dd2cd514855ae96010f0e487c76b8bd37a6f9 100644 (file)
@@ -1,4 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -57,7 +56,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index 0104c404d8970ee44ecb0ced17fe137363e4cf5b..14ae7e5acc7c9cc381ebd9be04ad36a24b282a20 100644 (file)
@@ -1,4 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -60,7 +59,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index 6491be0ddbc9e9cfd457dccc452d5bebf28c1183..1dec2b4bc5e6ea70696249d6815dfe69e73eb21c 100644 (file)
@@ -1,4 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 CONFIG_SYSVIPC=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_NO_HZ_IDLE=y
index 7c9c706ae7f66eb29d4cf48ca0b95d5dd44630f5..31ba224bbfb474985b49930dea193c6bbb1a5f37 100644 (file)
@@ -59,7 +59,6 @@ CONFIG_NETCONSOLE=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index 99e05cf63fca2c6d953b952386b0cf1649ae7332..8e0b8b134cd9ed89652b88aea3bade03881e95c9 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -44,7 +43,6 @@ CONFIG_LXT_PHY=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_ARC=y
 CONFIG_SERIAL_ARC_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
index 0dc4f9b737e7a4f48b41ae7caaedaa2ce89c5b40..739b90e5e8931f1e5f1443aa19b3e0fac93a155b 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -45,7 +44,6 @@ CONFIG_DEVTMPFS=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_ARC=y
 CONFIG_SERIAL_ARC_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
index be3c30a15e54c09db51112ca88fd9b32d73a0d34..b5895bdf3a9393027d9fed716c4b83f86a9e4915 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_HIGH_RES_TIMERS=y
@@ -44,7 +43,6 @@ CONFIG_DEVTMPFS=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_ARC=y
 CONFIG_SERIAL_ARC_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
index 3a74b9b217723d2c2c75a91510ef1aadeab7b89a..f14eeff7d3084948c16d8905677ec25a629ccdcc 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -48,7 +47,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index ea2834b4dc1dad187193549b7b146da413726c37..025298a483056b1ca782e83056f8b0a44d193809 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -47,7 +46,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index 80a5a1b4924bcf086ed57c34d7778304288f35a2..df7b77b13b823dc0c8d41f543181b12a20212cbd 100644 (file)
@@ -1,4 +1,3 @@
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
@@ -58,7 +57,6 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index 2cc87f909747c1818385de9ba99c0bbeda6197b8..a7f65313f84a56a3ddc0307c669bbfbcf4c0386f 100644 (file)
@@ -57,7 +57,6 @@ CONFIG_STMMAC_ETH=y
 # CONFIG_SERIO is not set
 # CONFIG_VT is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=1
index f629493929ea620a50630ba49842383ecc3662a4..db47c3541f15931b2927fd1bd27749f2568e9761 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_IKCONFIG=y
@@ -53,7 +52,6 @@ CONFIG_NATIONAL_PHY=y
 CONFIG_MOUSE_PS2_TOUCHKIT=y
 CONFIG_SERIO_ARC_PS2=y
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
index 21f0ca26a05d5cffeb58541aa127ed1154a3ec98..a8ac5e917d9a5895a4bc3ba30be01fd222ecec71 100644 (file)
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_DEFAULT_HOSTNAME="ARCLinux"
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_IKCONFIG=y
index 4e0072730241220c84ddc5019bba91c856de6f34..158af079838d007480f66b7d7ffe08d72b16c2d7 100644 (file)
@@ -84,7 +84,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v)                       \
        "1:     llock   %[orig], [%[ctr]]               \n"             \
        "       " #asm_op " %[val], %[orig], %[i]       \n"             \
        "       scond   %[val], [%[ctr]]                \n"             \
-       "                                               \n"             \
+       "       bnz     1b                              \n"             \
        : [val] "=&r"   (val),                                          \
          [orig] "=&r" (orig)                                           \
        : [ctr] "r"     (&v->counter),                                  \
diff --git a/arch/arc/include/asm/dma-mapping.h b/arch/arc/include/asm/dma-mapping.h
new file mode 100644 (file)
index 0000000..c946c0a
--- /dev/null
@@ -0,0 +1,13 @@
+// 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
index 783b20354f8bf7889075ec4219310eb9b6f4fbf7..e8d9fb4523462a9807358fea19c4e7668cc1126d 100644 (file)
@@ -83,9 +83,6 @@ done:
 static void show_faulting_vma(unsigned long address, char *buf)
 {
        struct vm_area_struct *vma;
-       struct inode *inode;
-       unsigned long ino = 0;
-       dev_t dev = 0;
        char *nm = buf;
        struct mm_struct *active_mm = current->active_mm;
 
@@ -99,12 +96,10 @@ static void show_faulting_vma(unsigned long address, char *buf)
         * if the container VMA is not found
         */
        if (vma && (vma->vm_start <= address)) {
-               struct file *file = vma->vm_file;
-               if (file) {
-                       nm = file_path(file, buf, PAGE_SIZE - 1);
-                       inode = file_inode(vma->vm_file);
-                       dev = inode->i_sb->s_dev;
-                       ino = inode->i_ino;
+               if (vma->vm_file) {
+                       nm = file_path(vma->vm_file, buf, PAGE_SIZE - 1);
+                       if (IS_ERR(nm))
+                               nm = "?";
                }
                pr_info("    @off 0x%lx in [%s]\n"
                        "    VMA: 0x%08lx to 0x%08lx\n",
index 25c631942500ffe2802654f6690d9a223e2fbfaf..f2701c13a66b209571ff89b71ac6c93cabb9835d 100644 (file)
@@ -65,7 +65,7 @@ char *arc_cache_mumbojumbo(int c, char *buf, int len)
 
        n += scnprintf(buf + n, len - n, "Peripherals\t: %#lx%s%s\n",
                       perip_base,
-                      IS_AVAIL3(ioc_exists, ioc_enable, ", IO-Coherency "));
+                      IS_AVAIL3(ioc_exists, ioc_enable, ", IO-Coherency (per-device) "));
 
        return buf;
 }
@@ -896,15 +896,6 @@ static void __dma_cache_wback_slc(phys_addr_t start, unsigned long sz)
        slc_op(start, sz, OP_FLUSH);
 }
 
-/*
- * DMA ops for systems with IOC
- * IOC hardware snoops all DMA traffic keeping the caches consistent with
- * memory - eliding need for any explicit cache maintenance of DMA buffers
- */
-static void __dma_cache_wback_inv_ioc(phys_addr_t start, unsigned long sz) {}
-static void __dma_cache_inv_ioc(phys_addr_t start, unsigned long sz) {}
-static void __dma_cache_wback_ioc(phys_addr_t start, unsigned long sz) {}
-
 /*
  * Exported DMA API
  */
@@ -1153,6 +1144,19 @@ noinline void __init arc_ioc_setup(void)
 {
        unsigned int ioc_base, mem_sz;
 
+       /*
+        * As for today we don't support both IOC and ZONE_HIGHMEM enabled
+        * simultaneously. This happens because as of today IOC aperture covers
+        * only ZONE_NORMAL (low mem) and any dma transactions outside this
+        * region won't be HW coherent.
+        * If we want to use both IOC and ZONE_HIGHMEM we can use
+        * bounce_buffer to handle dma transactions to HIGHMEM.
+        * Also it is possible to modify dma_direct cache ops or increase IOC
+        * aperture size if we are planning to use HIGHMEM without PAE.
+        */
+       if (IS_ENABLED(CONFIG_HIGHMEM))
+               panic("IOC and HIGHMEM can't be used simultaneously");
+
        /* Flush + invalidate + disable L1 dcache */
        __dc_disable();
 
@@ -1264,11 +1268,7 @@ void __init arc_cache_init_master(void)
        if (is_isa_arcv2() && ioc_enable)
                arc_ioc_setup();
 
-       if (is_isa_arcv2() && ioc_enable) {
-               __dma_cache_wback_inv = __dma_cache_wback_inv_ioc;
-               __dma_cache_inv = __dma_cache_inv_ioc;
-               __dma_cache_wback = __dma_cache_wback_ioc;
-       } else if (is_isa_arcv2() && l2_line_sz && slc_enable) {
+       if (is_isa_arcv2() && l2_line_sz && slc_enable) {
                __dma_cache_wback_inv = __dma_cache_wback_inv_slc;
                __dma_cache_inv = __dma_cache_inv_slc;
                __dma_cache_wback = __dma_cache_wback_slc;
@@ -1277,6 +1277,12 @@ void __init arc_cache_init_master(void)
                __dma_cache_inv = __dma_cache_inv_l1;
                __dma_cache_wback = __dma_cache_wback_l1;
        }
+       /*
+        * In case of IOC (say IOC+SLC case), pointers above could still be set
+        * but end up not being relevant as the first function in chain is not
+        * called at all for @dma_direct_ops
+        *     arch_sync_dma_for_cpu() -> dma_cache_*() -> __dma_cache_*()
+        */
 }
 
 void __ref arc_cache_init(void)
index ec47e6079f5d08371a65ea21277b2985bec989d5..c75d5c3470e3595ce7af09f00346d5f82fc92a4c 100644 (file)
@@ -6,20 +6,17 @@
  * published by the Free Software Foundation.
  */
 
-/*
- * DMA Coherent API Notes
- *
- * I/O is inherently non-coherent on ARC. So a coherent DMA buffer is
- * implemented by accessing it using a kernel virtual address, with
- * Cache bit off in the TLB entry.
- *
- * The default DMA address == Phy address which is 0x8000_0000 based.
- */
-
 #include <linux/dma-noncoherent.h>
 #include <asm/cache.h>
 #include <asm/cacheflush.h>
 
+/*
+ * ARCH specific callbacks for generic noncoherent DMA ops (dma/noncoherent.c)
+ *  - hardware IOC not available (or "dma-coherent" not set for device in DT)
+ *  - But still handle both coherent and non-coherent requests from caller
+ *
+ * For DMA coherent hardware (IOC) generic code suffices
+ */
 void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
                gfp_t gfp, unsigned long attrs)
 {
@@ -27,42 +24,29 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
        struct page *page;
        phys_addr_t paddr;
        void *kvaddr;
-       int need_coh = 1, need_kvaddr = 0;
-
-       page = alloc_pages(gfp, order);
-       if (!page)
-               return NULL;
+       bool need_coh = !(attrs & DMA_ATTR_NON_CONSISTENT);
 
        /*
-        * IOC relies on all data (even coherent DMA data) being in cache
-        * Thus allocate normal cached memory
-        *
-        * The gains with IOC are two pronged:
-        *   -For streaming data, elides need for cache maintenance, saving
-        *    cycles in flush code, and bus bandwidth as all the lines of a
-        *    buffer need to be flushed out to memory
-        *   -For coherent data, Read/Write to buffers terminate early in cache
-        *   (vs. always going to memory - thus are faster)
+        * __GFP_HIGHMEM flag is cleared by upper layer functions
+        * (in include/linux/dma-mapping.h) so we should never get a
+        * __GFP_HIGHMEM here.
         */
-       if ((is_isa_arcv2() && ioc_enable) ||
-           (attrs & DMA_ATTR_NON_CONSISTENT))
-               need_coh = 0;
+       BUG_ON(gfp & __GFP_HIGHMEM);
 
-       /*
-        * - A coherent buffer needs MMU mapping to enforce non-cachability
-        * - A highmem page needs a virtual handle (hence MMU mapping)
-        *   independent of cachability
-        */
-       if (PageHighMem(page) || need_coh)
-               need_kvaddr = 1;
+       page = alloc_pages(gfp, order);
+       if (!page)
+               return NULL;
 
        /* This is linear addr (0x8000_0000 based) */
        paddr = page_to_phys(page);
 
        *dma_handle = paddr;
 
-       /* This is kernel Virtual address (0x7000_0000 based) */
-       if (need_kvaddr) {
+       /*
+        * A coherent buffer needs MMU mapping to enforce non-cachability.
+        * kvaddr is kernel Virtual address (0x7000_0000 based).
+        */
+       if (need_coh) {
                kvaddr = ioremap_nocache(paddr, size);
                if (kvaddr == NULL) {
                        __free_pages(page, order);
@@ -93,12 +77,8 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr,
 {
        phys_addr_t paddr = dma_handle;
        struct page *page = virt_to_page(paddr);
-       int is_non_coh = 1;
-
-       is_non_coh = (attrs & DMA_ATTR_NON_CONSISTENT) ||
-                       (is_isa_arcv2() && ioc_enable);
 
-       if (PageHighMem(page) || !is_non_coh)
+       if (!(attrs & DMA_ATTR_NON_CONSISTENT))
                iounmap((void __force __iomem *)vaddr);
 
        __free_pages(page, get_order(size));
@@ -185,3 +165,23 @@ void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
                break;
        }
 }
+
+/*
+ * Plug in coherent or noncoherent dma ops
+ */
+void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
+                       const struct iommu_ops *iommu, bool coherent)
+{
+       /*
+        * IOC hardware snoops all DMA traffic keeping the caches consistent
+        * with memory - eliding need for any explicit cache maintenance of
+        * DMA buffers - so we can use dma_direct cache ops.
+        */
+       if (is_isa_arcv2() && ioc_enable && coherent) {
+               set_dma_ops(dev, &dma_direct_ops);
+               dev_info(dev, "use dma_direct_ops cache ops\n");
+       } else {
+               set_dma_ops(dev, &dma_noncoherent_ops);
+               dev_info(dev, "use dma_noncoherent_ops cache ops\n");
+       }
+}
old mode 100755 (executable)
new mode 100644 (file)
index f0cbd86312dce5ddc1867d9eb2dc54059450a090..d4b7c59eec6853f2f836b5b3ffd686988ad0f6b1 100644 (file)
                        ti,hwmods = "rtc";
                        clocks = <&clk_32768_ck>;
                        clock-names = "int-clk";
+                       system-power-controller;
                        status = "disabled";
                };
 
index 9fb47724b9c1fa2dee8a6f1695fba9a68d30e80f..ad2ae25b7b4dbeb5fb714dee5af9182166d51457 100644 (file)
                reg = <0x40000000 0x08000000>;
        };
 
+       reg_vddio_sd0: regulator-vddio-sd0 {
+               compatible = "regulator-fixed";
+               regulator-name = "vddio-sd0";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio1 29 0>;
+       };
+
+       reg_lcd_3v3: regulator-lcd-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "lcd-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio1 18 0>;
+               enable-active-high;
+       };
+
+       reg_lcd_5v: regulator-lcd-5v {
+               compatible = "regulator-fixed";
+               regulator-name = "lcd-5v";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       panel {
+               compatible = "sii,43wvf1g";
+               backlight = <&backlight_display>;
+               dvdd-supply = <&reg_lcd_3v3>;
+               avdd-supply = <&reg_lcd_5v>;
+
+               port {
+                       panel_in: endpoint {
+                               remote-endpoint = <&display_out>;
+                       };
+               };
+       };
+
        apb@80000000 {
                apbh@80000000 {
                        gpmi-nand@8000c000 {
                        lcdif@80030000 {
                                pinctrl-names = "default";
                                pinctrl-0 = <&lcdif_24bit_pins_a>;
-                               lcd-supply = <&reg_lcd_3v3>;
-                               display = <&display0>;
                                status = "okay";
 
-                               display0: display0 {
-                                       bits-per-pixel = <32>;
-                                       bus-width = <24>;
-
-                                       display-timings {
-                                               native-mode = <&timing0>;
-                                               timing0: timing0 {
-                                                       clock-frequency = <9200000>;
-                                                       hactive = <480>;
-                                                       vactive = <272>;
-                                                       hback-porch = <15>;
-                                                       hfront-porch = <8>;
-                                                       vback-porch = <12>;
-                                                       vfront-porch = <4>;
-                                                       hsync-len = <1>;
-                                                       vsync-len = <1>;
-                                                       hsync-active = <0>;
-                                                       vsync-active = <0>;
-                                                       de-active = <1>;
-                                                       pixelclk-active = <0>;
-                                               };
+                               port {
+                                       display_out: endpoint {
+                                               remote-endpoint = <&panel_in>;
                                        };
                                };
                        };
                };
        };
 
-       regulators {
-               compatible = "simple-bus";
-               #address-cells = <1>;
-               #size-cells = <0>;
-
-               reg_vddio_sd0: regulator@0 {
-                       compatible = "regulator-fixed";
-                       reg = <0>;
-                       regulator-name = "vddio-sd0";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio1 29 0>;
-               };
-
-               reg_lcd_3v3: regulator@1 {
-                       compatible = "regulator-fixed";
-                       reg = <1>;
-                       regulator-name = "lcd-3v3";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio1 18 0>;
-                       enable-active-high;
-               };
-       };
-
-       backlight {
+       backlight_display: backlight {
                compatible = "pwm-backlight";
                pwms = <&pwm 2 5000000>;
                brightness-levels = <0 4 8 16 32 64 128 255>;
index 6b0ae667640f1c29c61390fccc9f3c3844e4d6e2..93ab5bdfe068a11a75276ebeaa4d31a99e473e67 100644 (file)
                reg = <0x40000000 0x08000000>;
        };
 
+
+       reg_3p3v: regulator-3p3v {
+               compatible = "regulator-fixed";
+               regulator-name = "3P3V";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-always-on;
+       };
+
+       reg_vddio_sd0: regulator-vddio-sd0 {
+               compatible = "regulator-fixed";
+               regulator-name = "vddio-sd0";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio3 28 0>;
+       };
+
+       reg_fec_3v3: regulator-fec-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "fec-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio2 15 0>;
+       };
+
+       reg_usb0_vbus: regulator-usb0-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "usb0_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio3 9 0>;
+               enable-active-high;
+       };
+
+       reg_usb1_vbus: regulator-usb1-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "usb1_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio3 8 0>;
+               enable-active-high;
+       };
+
+       reg_lcd_3v3: regulator-lcd-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "lcd-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio3 30 0>;
+               enable-active-high;
+       };
+
+       reg_can_3v3: regulator-can-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "can-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio2 13 0>;
+               enable-active-high;
+       };
+
+       reg_lcd_5v: regulator-lcd-5v {
+               compatible = "regulator-fixed";
+               regulator-name = "lcd-5v";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       panel {
+               compatible = "sii,43wvf1g";
+               backlight = <&backlight_display>;
+               dvdd-supply = <&reg_lcd_3v3>;
+               avdd-supply = <&reg_lcd_5v>;
+
+               port {
+                       panel_in: endpoint {
+                               remote-endpoint = <&display_out>;
+                       };
+               };
+       };
+
        apb@80000000 {
                apbh@80000000 {
                        gpmi-nand@8000c000 {
                                pinctrl-names = "default";
                                pinctrl-0 = <&lcdif_24bit_pins_a
                                             &lcdif_pins_evk>;
-                               lcd-supply = <&reg_lcd_3v3>;
-                               display = <&display0>;
                                status = "okay";
 
-                               display0: display0 {
-                                       bits-per-pixel = <32>;
-                                       bus-width = <24>;
-
-                                       display-timings {
-                                               native-mode = <&timing0>;
-                                               timing0: timing0 {
-                                                       clock-frequency = <33500000>;
-                                                       hactive = <800>;
-                                                       vactive = <480>;
-                                                       hback-porch = <89>;
-                                                       hfront-porch = <164>;
-                                                       vback-porch = <23>;
-                                                       vfront-porch = <10>;
-                                                       hsync-len = <10>;
-                                                       vsync-len = <10>;
-                                                       hsync-active = <0>;
-                                                       vsync-active = <0>;
-                                                       de-active = <1>;
-                                                       pixelclk-active = <0>;
-                                               };
+                               port {
+                                       display_out: endpoint {
+                                               remote-endpoint = <&panel_in>;
                                        };
                                };
                        };
                };
        };
 
-       regulators {
-               compatible = "simple-bus";
-               #address-cells = <1>;
-               #size-cells = <0>;
-
-               reg_3p3v: regulator@0 {
-                       compatible = "regulator-fixed";
-                       reg = <0>;
-                       regulator-name = "3P3V";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       regulator-always-on;
-               };
-
-               reg_vddio_sd0: regulator@1 {
-                       compatible = "regulator-fixed";
-                       reg = <1>;
-                       regulator-name = "vddio-sd0";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio3 28 0>;
-               };
-
-               reg_fec_3v3: regulator@2 {
-                       compatible = "regulator-fixed";
-                       reg = <2>;
-                       regulator-name = "fec-3v3";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio2 15 0>;
-               };
-
-               reg_usb0_vbus: regulator@3 {
-                       compatible = "regulator-fixed";
-                       reg = <3>;
-                       regulator-name = "usb0_vbus";
-                       regulator-min-microvolt = <5000000>;
-                       regulator-max-microvolt = <5000000>;
-                       gpio = <&gpio3 9 0>;
-                       enable-active-high;
-               };
-
-               reg_usb1_vbus: regulator@4 {
-                       compatible = "regulator-fixed";
-                       reg = <4>;
-                       regulator-name = "usb1_vbus";
-                       regulator-min-microvolt = <5000000>;
-                       regulator-max-microvolt = <5000000>;
-                       gpio = <&gpio3 8 0>;
-                       enable-active-high;
-               };
-
-               reg_lcd_3v3: regulator@5 {
-                       compatible = "regulator-fixed";
-                       reg = <5>;
-                       regulator-name = "lcd-3v3";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio3 30 0>;
-                       enable-active-high;
-               };
-
-               reg_can_3v3: regulator@6 {
-                       compatible = "regulator-fixed";
-                       reg = <6>;
-                       regulator-name = "can-3v3";
-                       regulator-min-microvolt = <3300000>;
-                       regulator-max-microvolt = <3300000>;
-                       gpio = <&gpio2 13 0>;
-                       enable-active-high;
-               };
-
-       };
-
        sound {
                compatible = "fsl,imx28-evk-sgtl5000",
                             "fsl,mxs-audio-sgtl5000";
                };
        };
 
-       backlight {
+       backlight_display: backlight {
                compatible = "pwm-backlight";
                pwms = <&pwm 2 5000000>;
                brightness-levels = <0 4 8 16 32 64 128 255>;
index 7cbc2ffa4b3a80affe055aecf6f744f4a61a9d00..7234e8330a576d8a53e7658d394e50211bbe2450 100644 (file)
                interrupt-names = "msi";
                #interrupt-cells = <1>;
                interrupt-map-mask = <0 0 0 0x7>;
-               interrupt-map = <0 0 0 1 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
-                               <0 0 0 2 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
-                               <0 0 0 3 &intc GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
-                               <0 0 0 4 &intc GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
+               /*
+                * Reference manual lists pci irqs incorrectly
+                * Real hardware ordering is same as imx6: D+MSI, C, B, A
+                */
+               interrupt-map = <0 0 0 1 &intc GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+                               <0 0 0 2 &intc GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+                               <0 0 0 3 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+                               <0 0 0 4 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&clks IMX7D_PCIE_CTRL_ROOT_CLK>,
                         <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>,
                         <&clks IMX7D_PCIE_PHY_ROOT_CLK>;
index 12d6822f00576f720c9c2086e061de4cb09fc299..04758a2a87f031eb42df555cc85a85bd0bf63816 100644 (file)
 &mmc2 {
        vmmc-supply = <&vsdio>;
        bus-width = <8>;
-       non-removable;
+       ti,non-removable;
 };
 
 &mmc3 {
                OMAP4_IOPAD(0x10c, PIN_INPUT | MUX_MODE1)       /* abe_mcbsp3_fsx */
                >;
        };
-};
-
-&omap4_pmx_wkup {
-       usb_gpio_mux_sel2: pinmux_usb_gpio_mux_sel2_pins {
-               /* gpio_wk0 */
-               pinctrl-single,pins = <
-               OMAP4_IOPAD(0x040, PIN_OUTPUT_PULLDOWN | MUX_MODE3)
-               >;
-       };
 
        vibrator_direction_pin: pinmux_vibrator_direction_pin {
                pinctrl-single,pins = <
        };
 };
 
+&omap4_pmx_wkup {
+       usb_gpio_mux_sel2: pinmux_usb_gpio_mux_sel2_pins {
+               /* gpio_wk0 */
+               pinctrl-single,pins = <
+               OMAP4_IOPAD(0x040, PIN_OUTPUT_PULLDOWN | MUX_MODE3)
+               >;
+       };
+};
+
 /*
  * As uart1 is wired to mdm6600 with rts and cts, we can use the cts pin for
  * uart1 wakeirq.
index e9bc88937b1e43a7d84fdb0ecf445bdee3625d98..bb6a35fb1dd7017b4644325a4231766cb30b30e3 100644 (file)
@@ -128,7 +128,7 @@ CONFIG_LEDS_TRIGGER_CAMERA=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_BCM2835=y
 CONFIG_STAGING=y
-CONFIG_BCM2835_VCHIQ=m
+CONFIG_SND_BCM2835=m
 CONFIG_MAILBOX=y
 CONFIG_BCM2835_MBOX=y
 # CONFIG_IOMMU_SUPPORT is not set
index e2c127608bcc0942555579346f7108548b47a318..7eca43ff69bbed1f1d5d431a968826612812ed18 100644 (file)
@@ -257,6 +257,7 @@ CONFIG_IMX_IPUV3_CORE=y
 CONFIG_DRM=y
 CONFIG_DRM_PANEL_LVDS=y
 CONFIG_DRM_PANEL_SIMPLE=y
+CONFIG_DRM_PANEL_SEIKO_43WVF1G=y
 CONFIG_DRM_DW_HDMI_AHB_AUDIO=m
 CONFIG_DRM_DW_HDMI_CEC=y
 CONFIG_DRM_IMX=y
index fc33444e94f05c1fac99976bdeadb4b6e785fd19..f6b88139cbcb718db73ae8cb00fd8b73ad393456 100644 (file)
@@ -391,6 +391,7 @@ CONFIG_SPI_S3C64XX=m
 CONFIG_SPI_SH_MSIOF=m
 CONFIG_SPI_SH_HSPI=y
 CONFIG_SPI_SIRF=y
+CONFIG_SPI_STM32=m
 CONFIG_SPI_SUN4I=y
 CONFIG_SPI_SUN6I=y
 CONFIG_SPI_TEGRA114=y
@@ -614,6 +615,8 @@ CONFIG_DRM_RCAR_LVDS=y
 CONFIG_DRM_SUN4I=m
 CONFIG_DRM_FSL_DCU=m
 CONFIG_DRM_TEGRA=y
+CONFIG_DRM_PANEL_ORISETECH_OTM8009A=m
+CONFIG_DRM_PANEL_RAYDIUM_RM68200=m
 CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_PANEL_SAMSUNG_LD9040=m
 CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03=m
@@ -625,6 +628,8 @@ CONFIG_DRM_SII9234=m
 CONFIG_DRM_I2C_ADV7511=m
 CONFIG_DRM_I2C_ADV7511_AUDIO=y
 CONFIG_DRM_STI=m
+CONFIG_DRM_STM=m
+CONFIG_DRM_STM_DSI=m
 CONFIG_DRM_VC4=m
 CONFIG_DRM_ETNAVIV=m
 CONFIG_DRM_MXSFB=m
@@ -636,6 +641,7 @@ CONFIG_FB_SIMPLE=y
 CONFIG_LCD_PLATFORM=m
 CONFIG_BACKLIGHT_PWM=y
 CONFIG_BACKLIGHT_AS3711=y
+CONFIG_BACKLIGHT_GPIO=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_SOUND=m
index 148226e36152c02625e34f978c3673370aecf039..7b82128575351c9285ca5137e79ed73b9741462c 100644 (file)
@@ -95,6 +95,7 @@ CONFIG_MFD_MXS_LRADC=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_DRM=y
+CONFIG_DRM_PANEL_SEIKO_43WVF1G=y
 CONFIG_DRM_MXSFB=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
index df68dc4056e5770253b2995cc54263d20ef8e62f..5282324c7cefba5d9fc11c8c79b6a723053bc1b3 100644 (file)
@@ -5,19 +5,19 @@ CONFIG_HIGH_RES_TIMERS=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_SLAB=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_PARTITION_ADVANCED=y
 # CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_VERSATILE=y
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
-CONFIG_CMA=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=1f03 mem=32M"
 CONFIG_FPE_NWFPE=y
 CONFIG_VFP=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_CMA=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -59,6 +59,7 @@ CONFIG_GPIO_PL061=y
 CONFIG_DRM=y
 CONFIG_DRM_PANEL_ARM_VERSATILE=y
 CONFIG_DRM_PANEL_SIMPLE=y
+CONFIG_DRM_DUMB_VGA_DAC=y
 CONFIG_DRM_PL111=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
@@ -89,9 +90,10 @@ CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
 CONFIG_NLS_CODEPAGE_850=m
 CONFIG_NLS_ISO8859_1=m
+CONFIG_FONTS=y
+CONFIG_FONT_ACORN_8x8=y
+CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_LL=y
-CONFIG_FONTS=y
-CONFIG_FONT_ACORN_8x8=y
index 79906cecb091e4fbf8dafb850d9d4b7ea19c3c41..3ad482d2f1eb91c8bfe6b597788e1e70b9521234 100644 (file)
@@ -223,7 +223,6 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu,
                              struct kvm_vcpu_events *events);
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
 int kvm_unmap_hva_range(struct kvm *kvm,
                        unsigned long start, unsigned long end);
 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
index 2ceffd85dd3d3fbcc4f80ae831713b37d23a83f3..cd65ea4e9c54e633bd66a0178ca3f06ad16e8db9 100644 (file)
@@ -2160,6 +2160,37 @@ static int of_dev_hwmod_lookup(struct device_node *np,
        return -ENODEV;
 }
 
+/**
+ * omap_hwmod_fix_mpu_rt_idx - fix up mpu_rt_idx register offsets
+ *
+ * @oh: struct omap_hwmod *
+ * @np: struct device_node *
+ *
+ * Fix up module register offsets for modules with mpu_rt_idx.
+ * Only needed for cpsw with interconnect target module defined
+ * in device tree while still using legacy hwmod platform data
+ * for rev, sysc and syss registers.
+ *
+ * Can be removed when all cpsw hwmod platform data has been
+ * dropped.
+ */
+static void omap_hwmod_fix_mpu_rt_idx(struct omap_hwmod *oh,
+                                     struct device_node *np,
+                                     struct resource *res)
+{
+       struct device_node *child = NULL;
+       int error;
+
+       child = of_get_next_child(np, child);
+       if (!child)
+               return;
+
+       error = of_address_to_resource(child, oh->mpu_rt_idx, res);
+       if (error)
+               pr_err("%s: error mapping mpu_rt_idx: %i\n",
+                      __func__, error);
+}
+
 /**
  * omap_hwmod_parse_module_range - map module IO range from device tree
  * @oh: struct omap_hwmod *
@@ -2220,7 +2251,13 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
        size = be32_to_cpup(ranges);
 
        pr_debug("omap_hwmod: %s %s at 0x%llx size 0x%llx\n",
-                oh->name, np->name, base, size);
+                oh ? oh->name : "", np->name, base, size);
+
+       if (oh && oh->mpu_rt_idx) {
+               omap_hwmod_fix_mpu_rt_idx(oh, np, res);
+
+               return 0;
+       }
 
        res->start = base;
        res->end = base + size - 1;
index 29e75b47becd5a94c9e4cf7944e77a67cdca05d7..1b1a0e95c7511b9256f1953c00d0ca32994b2160 100644 (file)
@@ -763,7 +763,6 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
 
 config HOLES_IN_ZONE
        def_bool y
-       depends on NUMA
 
 source kernel/Kconfig.hz
 
index ceffc40810eec42e3655f80fcd39d66965617c73..48daec7f78ba7cf4e674687fca73ed976c3b5b4b 100644 (file)
@@ -46,6 +46,7 @@
        pinctrl-0 = <&mmc0_pins>;
        vmmc-supply = <&reg_cldo1>;
        cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
+       bus-width = <4>;
        status = "okay";
 };
 
@@ -56,6 +57,7 @@
        vqmmc-supply = <&reg_bldo2>;
        non-removable;
        cap-mmc-hw-reset;
+       bus-width = <8>;
        status = "okay";
 };
 
index ec4b561337f20809c9105007836ca4b59210395d..a9a2561410beb870ac57a6a2f28529684458cdde 100644 (file)
@@ -38,6 +38,7 @@ CONFIG_ARCH_BCM_IPROC=y
 CONFIG_ARCH_BERLIN=y
 CONFIG_ARCH_BRCMSTB=y
 CONFIG_ARCH_EXYNOS=y
+CONFIG_ARCH_K3=y
 CONFIG_ARCH_LAYERSCAPE=y
 CONFIG_ARCH_LG1K=y
 CONFIG_ARCH_HISI=y
@@ -609,6 +610,8 @@ CONFIG_ARCH_TEGRA_132_SOC=y
 CONFIG_ARCH_TEGRA_210_SOC=y
 CONFIG_ARCH_TEGRA_186_SOC=y
 CONFIG_ARCH_TEGRA_194_SOC=y
+CONFIG_ARCH_K3_AM6_SOC=y
+CONFIG_SOC_TI=y
 CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
 CONFIG_EXTCON_USB_GPIO=y
 CONFIG_EXTCON_USBC_CROS_EC=y
index 6e9f33d14930eb045d293c4df7952afa555b56fa..067d8937d5af1e74a69ae7b14b1b0306a53fe087 100644 (file)
@@ -417,7 +417,7 @@ static int gcm_encrypt(struct aead_request *req)
                __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
                put_unaligned_be32(2, iv + GCM_IV_SIZE);
 
-               while (walk.nbytes >= AES_BLOCK_SIZE) {
+               while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
                        int blocks = walk.nbytes / AES_BLOCK_SIZE;
                        u8 *dst = walk.dst.virt.addr;
                        u8 *src = walk.src.virt.addr;
@@ -437,11 +437,18 @@ static int gcm_encrypt(struct aead_request *req)
                                        NULL);
 
                        err = skcipher_walk_done(&walk,
-                                                walk.nbytes % AES_BLOCK_SIZE);
+                                                walk.nbytes % (2 * AES_BLOCK_SIZE));
                }
-               if (walk.nbytes)
+               if (walk.nbytes) {
                        __aes_arm64_encrypt(ctx->aes_key.key_enc, ks, iv,
                                            nrounds);
+                       if (walk.nbytes > AES_BLOCK_SIZE) {
+                               crypto_inc(iv, AES_BLOCK_SIZE);
+                               __aes_arm64_encrypt(ctx->aes_key.key_enc,
+                                                   ks + AES_BLOCK_SIZE, iv,
+                                                   nrounds);
+                       }
+               }
        }
 
        /* handle the tail */
@@ -545,7 +552,7 @@ static int gcm_decrypt(struct aead_request *req)
                __aes_arm64_encrypt(ctx->aes_key.key_enc, tag, iv, nrounds);
                put_unaligned_be32(2, iv + GCM_IV_SIZE);
 
-               while (walk.nbytes >= AES_BLOCK_SIZE) {
+               while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
                        int blocks = walk.nbytes / AES_BLOCK_SIZE;
                        u8 *dst = walk.dst.virt.addr;
                        u8 *src = walk.src.virt.addr;
@@ -564,11 +571,21 @@ static int gcm_decrypt(struct aead_request *req)
                        } while (--blocks > 0);
 
                        err = skcipher_walk_done(&walk,
-                                                walk.nbytes % AES_BLOCK_SIZE);
+                                                walk.nbytes % (2 * AES_BLOCK_SIZE));
                }
-               if (walk.nbytes)
+               if (walk.nbytes) {
+                       if (walk.nbytes > AES_BLOCK_SIZE) {
+                               u8 *iv2 = iv + AES_BLOCK_SIZE;
+
+                               memcpy(iv2, iv, AES_BLOCK_SIZE);
+                               crypto_inc(iv2, AES_BLOCK_SIZE);
+
+                               __aes_arm64_encrypt(ctx->aes_key.key_enc, iv2,
+                                                   iv2, nrounds);
+                       }
                        __aes_arm64_encrypt(ctx->aes_key.key_enc, iv, iv,
                                            nrounds);
+               }
        }
 
        /* handle the tail */
index b7fb5274b250134253173384ff643578f5c06a29..0c4fc223f22575fbf76ff66d3e077249d86ad8c1 100644 (file)
@@ -69,5 +69,5 @@ static void __exit sm4_ce_mod_fini(void)
        crypto_unregister_alg(&sm4_ce_alg);
 }
 
-module_cpu_feature_match(SM3, sm4_ce_mod_init);
+module_cpu_feature_match(SM4, sm4_ce_mod_init);
 module_exit(sm4_ce_mod_fini);
index f26055f2306e1f9a479417507c2edf428c9f99de..3d6d7336f871221fd29bcc3bc4faa2cee0a7765f 100644 (file)
@@ -61,8 +61,7 @@ struct kvm_arch {
        u64    vmid_gen;
        u32    vmid;
 
-       /* 1-level 2nd stage table and lock */
-       spinlock_t pgd_lock;
+       /* 1-level 2nd stage table, protected by kvm->mmu_lock */
        pgd_t *pgd;
 
        /* VTTBR value associated with above pgd and vmid */
@@ -357,7 +356,6 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu,
                              struct kvm_vcpu_events *events);
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
 int kvm_unmap_hva_range(struct kvm *kvm,
                        unsigned long start, unsigned long end);
 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
index d496ef579859627edd1ba98c1233d9584cd407e3..ca46153d79154bae1b0833231245129752484362 100644 (file)
@@ -98,8 +98,10 @@ static void activate_traps_vhe(struct kvm_vcpu *vcpu)
        val = read_sysreg(cpacr_el1);
        val |= CPACR_EL1_TTA;
        val &= ~CPACR_EL1_ZEN;
-       if (!update_fp_enabled(vcpu))
+       if (!update_fp_enabled(vcpu)) {
                val &= ~CPACR_EL1_FPEN;
+               __activate_traps_fpsimd32(vcpu);
+       }
 
        write_sysreg(val, cpacr_el1);
 
@@ -114,8 +116,10 @@ static void __hyp_text __activate_traps_nvhe(struct kvm_vcpu *vcpu)
 
        val = CPTR_EL2_DEFAULT;
        val |= CPTR_EL2_TTA | CPTR_EL2_TZ;
-       if (!update_fp_enabled(vcpu))
+       if (!update_fp_enabled(vcpu)) {
                val |= CPTR_EL2_TFP;
+               __activate_traps_fpsimd32(vcpu);
+       }
 
        write_sysreg(val, cptr_el2);
 }
@@ -129,7 +133,6 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu)
        if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN) && (hcr & HCR_VSE))
                write_sysreg_s(vcpu->arch.vsesr_el2, SYS_VSESR_EL2);
 
-       __activate_traps_fpsimd32(vcpu);
        if (has_vhe())
                activate_traps_vhe(vcpu);
        else
index 65f86271f02bc1bf71a44b07fba51aefee49d381..8080c9f489c3e43af385066514f3f60cca629141 100644 (file)
@@ -985,8 +985,9 @@ int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr)
 
        pmd = READ_ONCE(*pmdp);
 
-       /* No-op for empty entry and WARN_ON for valid entry */
-       if (!pmd_present(pmd) || !pmd_table(pmd)) {
+       if (!pmd_present(pmd))
+               return 1;
+       if (!pmd_table(pmd)) {
                VM_WARN_ON(!pmd_table(pmd));
                return 1;
        }
@@ -1007,8 +1008,9 @@ int pud_free_pmd_page(pud_t *pudp, unsigned long addr)
 
        pud = READ_ONCE(*pudp);
 
-       /* No-op for empty entry and WARN_ON for valid entry */
-       if (!pud_present(pud) || !pud_table(pud)) {
+       if (!pud_present(pud))
+               return 1;
+       if (!pud_table(pud)) {
                VM_WARN_ON(!pud_table(pud));
                return 1;
        }
index 3534aa6a4dc2bc7e833001739582af3660a579d1..1b083c500b9a170beb6c030d882f9d9f675369c5 100644 (file)
@@ -98,11 +98,10 @@ static time64_t pmu_read_time(void)
 
        if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
                return 0;
-       while (!req.complete)
-               pmu_poll();
+       pmu_wait_complete(&req);
 
-       time = (u32)((req.reply[1] << 24) | (req.reply[2] << 16) |
-                    (req.reply[3] << 8) | req.reply[4]);
+       time = (u32)((req.reply[0] << 24) | (req.reply[1] << 16) |
+                    (req.reply[2] << 8) | req.reply[3]);
 
        return time - RTC_OFFSET;
 }
@@ -116,8 +115,7 @@ static void pmu_write_time(time64_t time)
                        (data >> 24) & 0xFF, (data >> 16) & 0xFF,
                        (data >> 8) & 0xFF, data & 0xFF) < 0)
                return;
-       while (!req.complete)
-               pmu_poll();
+       pmu_wait_complete(&req);
 }
 
 static __u8 pmu_read_pram(int offset)
index 70dde040779b56feaeaa650a7c342a23750a1fce..f5453d944ff5e19d341925590cca753ffb4fcd7e 100644 (file)
@@ -172,7 +172,7 @@ void __init cf_bootmem_alloc(void)
        high_memory = (void *)_ramend;
 
        /* Reserve kernel text/data/bss */
-       memblock_reserve(memstart, memstart - _rambase);
+       memblock_reserve(_rambase, memstart - _rambase);
 
        m68k_virt_to_node_shift = fls(_ramend - 1) - 6;
        module_fixup(NULL, __start_fixup, __stop_fixup);
index a9af1d2dcd699114d00a55689c29137cef384841..2c1c53d12179302140d3576dddd11a732a5b13d9 100644 (file)
@@ -931,7 +931,6 @@ enum kvm_mips_fault_result kvm_trap_emul_gva_fault(struct kvm_vcpu *vcpu,
                                                   bool write);
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
 int kvm_unmap_hva_range(struct kvm *kvm,
                        unsigned long start, unsigned long end);
 void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
index 019035d7225c4fd942c96c6628b6605f8d2af1b4..8f845f6e5f4266568288969b9b19b7357b86598b 100644 (file)
@@ -13,6 +13,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
@@ -20,6 +21,7 @@
 
 #include <asm/abi.h>
 #include <asm/mips-cps.h>
+#include <asm/page.h>
 #include <asm/vdso.h>
 
 /* Kernel-provided data used by the VDSO. */
@@ -128,12 +130,30 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
        vvar_size = gic_size + PAGE_SIZE;
        size = vvar_size + image->size;
 
+       /*
+        * Find a region that's large enough for us to perform the
+        * colour-matching alignment below.
+        */
+       if (cpu_has_dc_aliases)
+               size += shm_align_mask + 1;
+
        base = get_unmapped_area(NULL, 0, size, 0, 0);
        if (IS_ERR_VALUE(base)) {
                ret = base;
                goto out;
        }
 
+       /*
+        * If we suffer from dcache aliasing, ensure that the VDSO data page
+        * mapping is coloured the same as the kernel's mapping of that memory.
+        * This ensures that when the kernel updates the VDSO data userland
+        * will observe it without requiring cache invalidations.
+        */
+       if (cpu_has_dc_aliases) {
+               base = __ALIGN_MASK(base, shm_align_mask);
+               base += ((unsigned long)&vdso_data - gic_size) & shm_align_mask;
+       }
+
        data_addr = base + gic_size;
        vdso_addr = data_addr + PAGE_SIZE;
 
index ee64db03279336db79ac5c98e7634074d47608ac..d8dcdb350405900928b83e7afa2112ecf3122518 100644 (file)
@@ -512,16 +512,6 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
        return 1;
 }
 
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
-{
-       unsigned long end = hva + PAGE_SIZE;
-
-       handle_hva_to_gpa(kvm, hva, end, &kvm_unmap_hva_handler, NULL);
-
-       kvm_mips_callbacks->flush_shadow_all(kvm);
-       return 0;
-}
-
 int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
 {
        handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
index 1d4248fa55e995fdc7cba95f9209372ed6533b52..7068f341133d7eb038bb94a9953a3b9946d9bf51 100644 (file)
@@ -40,6 +40,10 @@ config NDS32
        select NO_IOPORT_MAP
        select RTC_LIB
        select THREAD_INFO_IN_TASK
+       select HAVE_FUNCTION_TRACER
+       select HAVE_FUNCTION_GRAPH_TRACER
+       select HAVE_FTRACE_MCOUNT_RECORD
+       select HAVE_DYNAMIC_FTRACE
        help
          Andes(nds32) Linux support.
 
index 63f4f173e5f4b97afa7078a3d8600fbfb50c13a6..3509fac104919ff8d9727d4cdfe2185d10473746 100644 (file)
@@ -5,6 +5,10 @@ KBUILD_DEFCONFIG := defconfig
 
 comma = ,
 
+ifdef CONFIG_FUNCTION_TRACER
+arch-y += -malways-save-lp -mno-relax
+endif
+
 KBUILD_CFLAGS  += $(call cc-option, -mno-sched-prolog-epilog)
 KBUILD_CFLAGS  += -mcmodel=large
 
index 56c47905880256455a17943427651b0bb72e03ed..f5f9cf7e054401431f89b72af891c5a44b20baba 100644 (file)
@@ -121,9 +121,9 @@ struct elf32_hdr;
  */
 #define ELF_CLASS      ELFCLASS32
 #ifdef __NDS32_EB__
-#define ELF_DATA       ELFDATA2MSB;
+#define ELF_DATA       ELFDATA2MSB
 #else
-#define ELF_DATA       ELFDATA2LSB;
+#define ELF_DATA       ELFDATA2LSB
 #endif
 #define ELF_ARCH       EM_NDS32
 #define USE_ELF_CORE_DUMP
diff --git a/arch/nds32/include/asm/ftrace.h b/arch/nds32/include/asm/ftrace.h
new file mode 100644 (file)
index 0000000..2f96cc9
--- /dev/null
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASM_NDS32_FTRACE_H
+#define __ASM_NDS32_FTRACE_H
+
+#ifdef CONFIG_FUNCTION_TRACER
+
+#define HAVE_FUNCTION_GRAPH_FP_TEST
+
+#define MCOUNT_ADDR ((unsigned long)(_mcount))
+/* mcount call is composed of three instructions:
+ * sethi + ori + jral
+ */
+#define MCOUNT_INSN_SIZE 12
+
+extern void _mcount(unsigned long parent_ip);
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+
+#define FTRACE_ADDR ((unsigned long)_ftrace_caller)
+
+#ifdef __NDS32_EL__
+#define INSN_NOP               0x09000040
+#define INSN_SIZE(insn)                (((insn & 0x00000080) == 0) ? 4 : 2)
+#define IS_SETHI(insn)         ((insn & 0x000000fe) == 0x00000046)
+#define ENDIAN_CONVERT(insn)   be32_to_cpu(insn)
+#else /* __NDS32_EB__ */
+#define INSN_NOP               0x40000009
+#define INSN_SIZE(insn)                (((insn & 0x80000000) == 0) ? 4 : 2)
+#define IS_SETHI(insn)         ((insn & 0xfe000000) == 0x46000000)
+#define ENDIAN_CONVERT(insn)   (insn)
+#endif
+
+extern void _ftrace_caller(unsigned long parent_ip);
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+       return addr;
+}
+struct dyn_arch_ftrace {
+};
+
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#endif /* CONFIG_FUNCTION_TRACER */
+
+#endif /* __ASM_NDS32_FTRACE_H */
index 19b19394a936cfdecaa51dba9159ee03473b76e7..68c38151c3e41c24c24081f92449a097bf077f02 100644 (file)
@@ -17,6 +17,7 @@
 #else
 #define FP_OFFSET (-2)
 #endif
+#define LP_OFFSET (-1)
 
 extern void __init early_trap_init(void);
 static inline void GIE_ENABLE(void)
index 18a009f3804d5e94ac23bd67b6eb4144ffa2c614..362a32d9bd16871e1db6c45d544eb2c4450bfeb5 100644 (file)
@@ -38,7 +38,7 @@ struct exception_table_entry {
 extern int fixup_exception(struct pt_regs *regs);
 
 #define KERNEL_DS      ((mm_segment_t) { ~0UL })
-#define USER_DS        ((mm_segment_t) {TASK_SIZE - 1})
+#define USER_DS                ((mm_segment_t) {TASK_SIZE - 1})
 
 #define get_ds()       (KERNEL_DS)
 #define get_fs()       (current_thread_info()->addr_limit)
@@ -49,11 +49,11 @@ static inline void set_fs(mm_segment_t fs)
        current_thread_info()->addr_limit = fs;
 }
 
-#define segment_eq(a, b)    ((a) == (b))
+#define segment_eq(a, b)       ((a) == (b))
 
 #define __range_ok(addr, size) (size <= get_fs() && addr <= (get_fs() -size))
 
-#define access_ok(type, addr, size)                 \
+#define access_ok(type, addr, size)    \
        __range_ok((unsigned long)addr, (unsigned long)size)
 /*
  * Single-value transfer routines.  They automatically use the right
@@ -75,70 +75,73 @@ static inline void set_fs(mm_segment_t fs)
  * versions are void (ie, don't return a value as such).
  */
 
-#define get_user(x,p)                                                  \
-({                                                                     \
-       long __e = -EFAULT;                                             \
-       if(likely(access_ok(VERIFY_READ,  p, sizeof(*p)))) {            \
-               __e = __get_user(x,p);                                  \
-       } else                                                          \
-               x = 0;                                                  \
-       __e;                                                            \
-})
-#define __get_user(x,ptr)                                              \
+#define get_user       __get_user                                      \
+
+#define __get_user(x, ptr)                                             \
 ({                                                                     \
        long __gu_err = 0;                                              \
-       __get_user_err((x),(ptr),__gu_err);                             \
+       __get_user_check((x), (ptr), __gu_err);                         \
        __gu_err;                                                       \
 })
 
-#define __get_user_error(x,ptr,err)                                    \
+#define __get_user_error(x, ptr, err)                                  \
 ({                                                                     \
-       __get_user_err((x),(ptr),err);                                  \
-       (void) 0;                                                       \
+       __get_user_check((x), (ptr), (err));                            \
+       (void)0;                                                        \
 })
 
-#define __get_user_err(x,ptr,err)                                      \
+#define __get_user_check(x, ptr, err)                                  \
+({                                                                     \
+       const __typeof__(*(ptr)) __user *__p = (ptr);                   \
+       might_fault();                                                  \
+       if (access_ok(VERIFY_READ, __p, sizeof(*__p))) {                \
+               __get_user_err((x), __p, (err));                        \
+       } else {                                                        \
+               (x) = 0; (err) = -EFAULT;                               \
+       }                                                               \
+})
+
+#define __get_user_err(x, ptr, err)                                    \
 do {                                                                   \
-       unsigned long __gu_addr = (unsigned long)(ptr);                 \
        unsigned long __gu_val;                                         \
        __chk_user_ptr(ptr);                                            \
        switch (sizeof(*(ptr))) {                                       \
        case 1:                                                         \
-               __get_user_asm("lbi",__gu_val,__gu_addr,err);           \
+               __get_user_asm("lbi", __gu_val, (ptr), (err));          \
                break;                                                  \
        case 2:                                                         \
-               __get_user_asm("lhi",__gu_val,__gu_addr,err);           \
+               __get_user_asm("lhi", __gu_val, (ptr), (err));          \
                break;                                                  \
        case 4:                                                         \
-               __get_user_asm("lwi",__gu_val,__gu_addr,err);           \
+               __get_user_asm("lwi", __gu_val, (ptr), (err));          \
                break;                                                  \
        case 8:                                                         \
-               __get_user_asm_dword(__gu_val,__gu_addr,err);           \
+               __get_user_asm_dword(__gu_val, (ptr), (err));           \
                break;                                                  \
        default:                                                        \
                BUILD_BUG();                                            \
                break;                                                  \
        }                                                               \
-       (x) = (__typeof__(*(ptr)))__gu_val;                             \
+       (x) = (__force __typeof__(*(ptr)))__gu_val;                     \
 } while (0)
 
-#define __get_user_asm(inst,x,addr,err)                                        \
-       asm volatile(                                                   \
-       "1:     "inst"  %1,[%2]\n"                                      \
-       "2:\n"                                                          \
-       "       .section .fixup,\"ax\"\n"                               \
-       "       .align  2\n"                                            \
-       "3:     move %0, %3\n"                                          \
-       "       move %1, #0\n"                                          \
-       "       b       2b\n"                                           \
-       "       .previous\n"                                            \
-       "       .section __ex_table,\"a\"\n"                            \
-       "       .align  3\n"                                            \
-       "       .long   1b, 3b\n"                                       \
-       "       .previous"                                              \
-       : "+r" (err), "=&r" (x)                                         \
-       : "r" (addr), "i" (-EFAULT)                                     \
-       : "cc")
+#define __get_user_asm(inst, x, addr, err)                             \
+       __asm__ __volatile__ (                                          \
+               "1:     "inst"  %1,[%2]\n"                              \
+               "2:\n"                                                  \
+               "       .section .fixup,\"ax\"\n"                       \
+               "       .align  2\n"                                    \
+               "3:     move %0, %3\n"                                  \
+               "       move %1, #0\n"                                  \
+               "       b       2b\n"                                   \
+               "       .previous\n"                                    \
+               "       .section __ex_table,\"a\"\n"                    \
+               "       .align  3\n"                                    \
+               "       .long   1b, 3b\n"                               \
+               "       .previous"                                      \
+               : "+r" (err), "=&r" (x)                                 \
+               : "r" (addr), "i" (-EFAULT)                             \
+               : "cc")
 
 #ifdef __NDS32_EB__
 #define __gu_reg_oper0 "%H1"
@@ -149,61 +152,66 @@ do {                                                                      \
 #endif
 
 #define __get_user_asm_dword(x, addr, err)                             \
-       asm volatile(                                                   \
-       "\n1:\tlwi " __gu_reg_oper0 ",[%2]\n"                           \
-       "\n2:\tlwi " __gu_reg_oper1 ",[%2+4]\n"                         \
-       "3:\n"                                                          \
-       "       .section .fixup,\"ax\"\n"                               \
-       "       .align  2\n"                                            \
-       "4:     move    %0, %3\n"                                       \
-       "       b       3b\n"                                           \
-       "       .previous\n"                                            \
-       "       .section __ex_table,\"a\"\n"                            \
-       "       .align  3\n"                                            \
-       "       .long   1b, 4b\n"                                       \
-       "       .long   2b, 4b\n"                                       \
-       "       .previous"                                              \
-       : "+r"(err), "=&r"(x)                                           \
-       : "r"(addr), "i"(-EFAULT)                                       \
-       : "cc")
-#define put_user(x,p)                                                  \
-({                                                                     \
-       long __e = -EFAULT;                                             \
-       if(likely(access_ok(VERIFY_WRITE,  p, sizeof(*p)))) {           \
-               __e = __put_user(x,p);                                  \
-       }                                                               \
-       __e;                                                            \
-})
-#define __put_user(x,ptr)                                              \
+       __asm__ __volatile__ (                                          \
+               "\n1:\tlwi " __gu_reg_oper0 ",[%2]\n"                   \
+               "\n2:\tlwi " __gu_reg_oper1 ",[%2+4]\n"                 \
+               "3:\n"                                                  \
+               "       .section .fixup,\"ax\"\n"                       \
+               "       .align  2\n"                                    \
+               "4:     move    %0, %3\n"                               \
+               "       b       3b\n"                                   \
+               "       .previous\n"                                    \
+               "       .section __ex_table,\"a\"\n"                    \
+               "       .align  3\n"                                    \
+               "       .long   1b, 4b\n"                               \
+               "       .long   2b, 4b\n"                               \
+               "       .previous"                                      \
+               : "+r"(err), "=&r"(x)                                   \
+               : "r"(addr), "i"(-EFAULT)                               \
+               : "cc")
+
+#define put_user       __put_user                                      \
+
+#define __put_user(x, ptr)                                             \
 ({                                                                     \
        long __pu_err = 0;                                              \
-       __put_user_err((x),(ptr),__pu_err);                             \
+       __put_user_err((x), (ptr), __pu_err);                           \
        __pu_err;                                                       \
 })
 
-#define __put_user_error(x,ptr,err)                                    \
+#define __put_user_error(x, ptr, err)                                  \
+({                                                                     \
+       __put_user_err((x), (ptr), (err));                              \
+       (void)0;                                                        \
+})
+
+#define __put_user_check(x, ptr, err)                                  \
 ({                                                                     \
-       __put_user_err((x),(ptr),err);                                  \
-       (void) 0;                                                       \
+       __typeof__(*(ptr)) __user *__p = (ptr);                         \
+       might_fault();                                                  \
+       if (access_ok(VERIFY_WRITE, __p, sizeof(*__p))) {               \
+               __put_user_err((x), __p, (err));                        \
+       } else  {                                                       \
+               (err) = -EFAULT;                                        \
+       }                                                               \
 })
 
-#define __put_user_err(x,ptr,err)                                      \
+#define __put_user_err(x, ptr, err)                                    \
 do {                                                                   \
-       unsigned long __pu_addr = (unsigned long)(ptr);                 \
        __typeof__(*(ptr)) __pu_val = (x);                              \
        __chk_user_ptr(ptr);                                            \
        switch (sizeof(*(ptr))) {                                       \
        case 1:                                                         \
-               __put_user_asm("sbi",__pu_val,__pu_addr,err);           \
+               __put_user_asm("sbi", __pu_val, (ptr), (err));          \
                break;                                                  \
        case 2:                                                         \
-               __put_user_asm("shi",__pu_val,__pu_addr,err);           \
+               __put_user_asm("shi", __pu_val, (ptr), (err));          \
                break;                                                  \
        case 4:                                                         \
-               __put_user_asm("swi",__pu_val,__pu_addr,err);           \
+               __put_user_asm("swi", __pu_val, (ptr), (err));          \
                break;                                                  \
        case 8:                                                         \
-               __put_user_asm_dword(__pu_val,__pu_addr,err);           \
+               __put_user_asm_dword(__pu_val, (ptr), (err));           \
                break;                                                  \
        default:                                                        \
                BUILD_BUG();                                            \
@@ -211,22 +219,22 @@ do {                                                                      \
        }                                                               \
 } while (0)
 
-#define __put_user_asm(inst,x,addr,err)                                        \
-       asm volatile(                                                   \
-       "1:     "inst"  %1,[%2]\n"                                      \
-       "2:\n"                                                          \
-       "       .section .fixup,\"ax\"\n"                               \
-       "       .align  2\n"                                            \
-       "3:     move    %0, %3\n"                                       \
-       "       b       2b\n"                                           \
-       "       .previous\n"                                            \
-       "       .section __ex_table,\"a\"\n"                            \
-       "       .align  3\n"                                            \
-       "       .long   1b, 3b\n"                                       \
-       "       .previous"                                              \
-       : "+r" (err)                                                    \
-       : "r" (x), "r" (addr), "i" (-EFAULT)                            \
-       : "cc")
+#define __put_user_asm(inst, x, addr, err)                             \
+       __asm__ __volatile__ (                                          \
+               "1:     "inst"  %1,[%2]\n"                              \
+               "2:\n"                                                  \
+               "       .section .fixup,\"ax\"\n"                       \
+               "       .align  2\n"                                    \
+               "3:     move    %0, %3\n"                               \
+               "       b       2b\n"                                   \
+               "       .previous\n"                                    \
+               "       .section __ex_table,\"a\"\n"                    \
+               "       .align  3\n"                                    \
+               "       .long   1b, 3b\n"                               \
+               "       .previous"                                      \
+               : "+r" (err)                                            \
+               : "r" (x), "r" (addr), "i" (-EFAULT)                    \
+               : "cc")
 
 #ifdef __NDS32_EB__
 #define __pu_reg_oper0 "%H2"
@@ -237,23 +245,24 @@ do {                                                                      \
 #endif
 
 #define __put_user_asm_dword(x, addr, err)                             \
-       asm volatile(                                                   \
-       "\n1:\tswi " __pu_reg_oper0 ",[%1]\n"                           \
-       "\n2:\tswi " __pu_reg_oper1 ",[%1+4]\n"                         \
-       "3:\n"                                                          \
-       "       .section .fixup,\"ax\"\n"                               \
-       "       .align  2\n"                                            \
-       "4:     move    %0, %3\n"                                       \
-       "       b       3b\n"                                           \
-       "       .previous\n"                                            \
-       "       .section __ex_table,\"a\"\n"                            \
-       "       .align  3\n"                                            \
-       "       .long   1b, 4b\n"                                       \
-       "       .long   2b, 4b\n"                                       \
-       "       .previous"                                              \
-       : "+r"(err)                                                     \
-       : "r"(addr), "r"(x), "i"(-EFAULT)                               \
-       : "cc")
+       __asm__ __volatile__ (                                          \
+               "\n1:\tswi " __pu_reg_oper0 ",[%1]\n"                   \
+               "\n2:\tswi " __pu_reg_oper1 ",[%1+4]\n"                 \
+               "3:\n"                                                  \
+               "       .section .fixup,\"ax\"\n"                       \
+               "       .align  2\n"                                    \
+               "4:     move    %0, %3\n"                               \
+               "       b       3b\n"                                   \
+               "       .previous\n"                                    \
+               "       .section __ex_table,\"a\"\n"                    \
+               "       .align  3\n"                                    \
+               "       .long   1b, 4b\n"                               \
+               "       .long   2b, 4b\n"                               \
+               "       .previous"                                      \
+               : "+r"(err)                                             \
+               : "r"(addr), "r"(x), "i"(-EFAULT)                       \
+               : "cc")
+
 extern unsigned long __arch_clear_user(void __user * addr, unsigned long n);
 extern long strncpy_from_user(char *dest, const char __user * src, long count);
 extern __must_check long strlen_user(const char __user * str);
index 42792743e8b953290b7cec0b4722684c72744df3..27cded39fa66266171a427afc988ad9db35fe75e 100644 (file)
@@ -21,3 +21,9 @@ extra-y := head.o vmlinux.lds
 
 
 obj-y                          += vdso/
+
+obj-$(CONFIG_FUNCTION_TRACER)   += ftrace.o
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
+endif
index 0c6d031a1c4a9df00dc991c0f52dbdd7bddab51c..0c5386e72098e45f48b925efee3431bb275a1398 100644 (file)
@@ -9,7 +9,8 @@
 
 void __iomem *atl2c_base;
 static const struct of_device_id atl2c_ids[] __initconst = {
-       {.compatible = "andestech,atl2c",}
+       {.compatible = "andestech,atl2c",},
+       {}
 };
 
 static int __init atl2c_of_init(void)
index b8ae4e9a6b93db793d0b6b7d434adcdb47827743..21a144071566989af1daa55400a0c9fab98b34ee 100644 (file)
@@ -118,7 +118,7 @@ common_exception_handler:
        /* interrupt */
 2:
 #ifdef CONFIG_TRACE_IRQFLAGS
-       jal     trace_hardirqs_off
+       jal     __trace_hardirqs_off
 #endif
        move    $r0, $sp
        sethi   $lp, hi20(ret_from_intr)
index 03e4f7788a1882a15cf89e68aa325978cbc3b0ce..f00af92f7e22fde904fc6e54999a9ebcdde7e950 100644 (file)
@@ -138,8 +138,8 @@ no_work_pending:
 #ifdef CONFIG_TRACE_IRQFLAGS
        lwi     $p0, [$sp+(#IPSW_OFFSET)]
        andi    $p0, $p0, #0x1
-       la      $r10, trace_hardirqs_off
-       la      $r9, trace_hardirqs_on
+       la      $r10, __trace_hardirqs_off
+       la      $r9, __trace_hardirqs_on
        cmovz   $r9, $p0, $r10
        jral    $r9
 #endif
diff --git a/arch/nds32/kernel/ftrace.c b/arch/nds32/kernel/ftrace.c
new file mode 100644 (file)
index 0000000..a0a9679
--- /dev/null
@@ -0,0 +1,309 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/ftrace.h>
+#include <linux/uaccess.h>
+#include <asm/cacheflush.h>
+
+#ifndef CONFIG_DYNAMIC_FTRACE
+extern void (*ftrace_trace_function)(unsigned long, unsigned long,
+                                    struct ftrace_ops*, struct pt_regs*);
+extern int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
+extern void ftrace_graph_caller(void);
+
+noinline void __naked ftrace_stub(unsigned long ip, unsigned long parent_ip,
+                                 struct ftrace_ops *op, struct pt_regs *regs)
+{
+       __asm__ ("");  /* avoid to optimize as pure function */
+}
+
+noinline void _mcount(unsigned long parent_ip)
+{
+       /* save all state by the compiler prologue */
+
+       unsigned long ip = (unsigned long)__builtin_return_address(0);
+
+       if (ftrace_trace_function != ftrace_stub)
+               ftrace_trace_function(ip - MCOUNT_INSN_SIZE, parent_ip,
+                                     NULL, NULL);
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+       if (ftrace_graph_return != (trace_func_graph_ret_t)ftrace_stub
+           || ftrace_graph_entry != ftrace_graph_entry_stub)
+               ftrace_graph_caller();
+#endif
+
+       /* restore all state by the compiler epilogue */
+}
+EXPORT_SYMBOL(_mcount);
+
+#else /* CONFIG_DYNAMIC_FTRACE */
+
+noinline void __naked ftrace_stub(unsigned long ip, unsigned long parent_ip,
+                                 struct ftrace_ops *op, struct pt_regs *regs)
+{
+       __asm__ ("");  /* avoid to optimize as pure function */
+}
+
+noinline void __naked _mcount(unsigned long parent_ip)
+{
+       __asm__ ("");  /* avoid to optimize as pure function */
+}
+EXPORT_SYMBOL(_mcount);
+
+#define XSTR(s) STR(s)
+#define STR(s) #s
+void _ftrace_caller(unsigned long parent_ip)
+{
+       /* save all state needed by the compiler prologue */
+
+       /*
+        * prepare arguments for real tracing function
+        * first  arg : __builtin_return_address(0) - MCOUNT_INSN_SIZE
+        * second arg : parent_ip
+        */
+       __asm__ __volatile__ (
+               "move $r1, %0                              \n\t"
+               "addi $r0, %1, #-" XSTR(MCOUNT_INSN_SIZE) "\n\t"
+               :
+               : "r" (parent_ip), "r" (__builtin_return_address(0)));
+
+       /* a placeholder for the call to a real tracing function */
+       __asm__ __volatile__ (
+               "ftrace_call:           \n\t"
+               "nop                    \n\t"
+               "nop                    \n\t"
+               "nop                    \n\t");
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+       /* a placeholder for the call to ftrace_graph_caller */
+       __asm__ __volatile__ (
+               "ftrace_graph_call:     \n\t"
+               "nop                    \n\t"
+               "nop                    \n\t"
+               "nop                    \n\t");
+#endif
+       /* restore all state needed by the compiler epilogue */
+}
+
+int __init ftrace_dyn_arch_init(void)
+{
+       return 0;
+}
+
+int ftrace_arch_code_modify_prepare(void)
+{
+       set_all_modules_text_rw();
+       return 0;
+}
+
+int ftrace_arch_code_modify_post_process(void)
+{
+       set_all_modules_text_ro();
+       return 0;
+}
+
+static unsigned long gen_sethi_insn(unsigned long addr)
+{
+       unsigned long opcode = 0x46000000;
+       unsigned long imm = addr >> 12;
+       unsigned long rt_num = 0xf << 20;
+
+       return ENDIAN_CONVERT(opcode | rt_num | imm);
+}
+
+static unsigned long gen_ori_insn(unsigned long addr)
+{
+       unsigned long opcode = 0x58000000;
+       unsigned long imm = addr & 0x0000fff;
+       unsigned long rt_num = 0xf << 20;
+       unsigned long ra_num = 0xf << 15;
+
+       return ENDIAN_CONVERT(opcode | rt_num | ra_num | imm);
+}
+
+static unsigned long gen_jral_insn(unsigned long addr)
+{
+       unsigned long opcode = 0x4a000001;
+       unsigned long rt_num = 0x1e << 20;
+       unsigned long rb_num = 0xf << 10;
+
+       return ENDIAN_CONVERT(opcode | rt_num | rb_num);
+}
+
+static void ftrace_gen_call_insn(unsigned long *call_insns,
+                                unsigned long addr)
+{
+       call_insns[0] = gen_sethi_insn(addr); /* sethi $r15, imm20u       */
+       call_insns[1] = gen_ori_insn(addr);   /* ori   $r15, $r15, imm15u */
+       call_insns[2] = gen_jral_insn(addr);  /* jral  $lp,  $r15         */
+}
+
+static int __ftrace_modify_code(unsigned long pc, unsigned long *old_insn,
+                               unsigned long *new_insn, bool validate)
+{
+       unsigned long orig_insn[3];
+
+       if (validate) {
+               if (probe_kernel_read(orig_insn, (void *)pc, MCOUNT_INSN_SIZE))
+                       return -EFAULT;
+               if (memcmp(orig_insn, old_insn, MCOUNT_INSN_SIZE))
+                       return -EINVAL;
+       }
+
+       if (probe_kernel_write((void *)pc, new_insn, MCOUNT_INSN_SIZE))
+               return -EPERM;
+
+       return 0;
+}
+
+static int ftrace_modify_code(unsigned long pc, unsigned long *old_insn,
+                             unsigned long *new_insn, bool validate)
+{
+       int ret;
+
+       ret = __ftrace_modify_code(pc, old_insn, new_insn, validate);
+       if (ret)
+               return ret;
+
+       flush_icache_range(pc, pc + MCOUNT_INSN_SIZE);
+
+       return ret;
+}
+
+int ftrace_update_ftrace_func(ftrace_func_t func)
+{
+       unsigned long pc = (unsigned long)&ftrace_call;
+       unsigned long old_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+       unsigned long new_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+
+       if (func != ftrace_stub)
+               ftrace_gen_call_insn(new_insn, (unsigned long)func);
+
+       return ftrace_modify_code(pc, old_insn, new_insn, false);
+}
+
+int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
+{
+       unsigned long pc = rec->ip;
+       unsigned long nop_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+       unsigned long call_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+
+       ftrace_gen_call_insn(call_insn, addr);
+
+       return ftrace_modify_code(pc, nop_insn, call_insn, true);
+}
+
+int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
+                   unsigned long addr)
+{
+       unsigned long pc = rec->ip;
+       unsigned long nop_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+       unsigned long call_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+
+       ftrace_gen_call_insn(call_insn, addr);
+
+       return ftrace_modify_code(pc, call_insn, nop_insn, true);
+}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+                          unsigned long frame_pointer)
+{
+       unsigned long return_hooker = (unsigned long)&return_to_handler;
+       struct ftrace_graph_ent trace;
+       unsigned long old;
+       int err;
+
+       if (unlikely(atomic_read(&current->tracing_graph_pause)))
+               return;
+
+       old = *parent;
+
+       trace.func = self_addr;
+       trace.depth = current->curr_ret_stack + 1;
+
+       /* Only trace if the calling function expects to */
+       if (!ftrace_graph_entry(&trace))
+               return;
+
+       err = ftrace_push_return_trace(old, self_addr, &trace.depth,
+                                      frame_pointer, NULL);
+
+       if (err == -EBUSY)
+               return;
+
+       *parent = return_hooker;
+}
+
+noinline void ftrace_graph_caller(void)
+{
+       unsigned long *parent_ip =
+               (unsigned long *)(__builtin_frame_address(2) - 4);
+
+       unsigned long selfpc =
+               (unsigned long)(__builtin_return_address(1) - MCOUNT_INSN_SIZE);
+
+       unsigned long frame_pointer =
+               (unsigned long)__builtin_frame_address(3);
+
+       prepare_ftrace_return(parent_ip, selfpc, frame_pointer);
+}
+
+extern unsigned long ftrace_return_to_handler(unsigned long frame_pointer);
+void __naked return_to_handler(void)
+{
+       __asm__ __volatile__ (
+               /* save state needed by the ABI     */
+               "smw.adm $r0,[$sp],$r1,#0x0  \n\t"
+
+               /* get original return address      */
+               "move $r0, $fp               \n\t"
+               "bal ftrace_return_to_handler\n\t"
+               "move $lp, $r0               \n\t"
+
+               /* restore state nedded by the ABI  */
+               "lmw.bim $r0,[$sp],$r1,#0x0  \n\t");
+}
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+extern unsigned long ftrace_graph_call;
+
+static int ftrace_modify_graph_caller(bool enable)
+{
+       unsigned long pc = (unsigned long)&ftrace_graph_call;
+       unsigned long nop_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+       unsigned long call_insn[3] = {INSN_NOP, INSN_NOP, INSN_NOP};
+
+       ftrace_gen_call_insn(call_insn, (unsigned long)ftrace_graph_caller);
+
+       if (enable)
+               return ftrace_modify_code(pc, nop_insn, call_insn, true);
+       else
+               return ftrace_modify_code(pc, call_insn, nop_insn, true);
+}
+
+int ftrace_enable_ftrace_graph_caller(void)
+{
+       return ftrace_modify_graph_caller(true);
+}
+
+int ftrace_disable_ftrace_graph_caller(void)
+{
+       return ftrace_modify_graph_caller(false);
+}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+noinline void __trace_hardirqs_off(void)
+{
+       trace_hardirqs_off();
+}
+noinline void __trace_hardirqs_on(void)
+{
+       trace_hardirqs_on();
+}
+#endif /* CONFIG_TRACE_IRQFLAGS */
index 4167283d8293f16c65e5f1b100a40201265a1c26..1e31829cbc2a71ec4dd3c6be62874245cda010c2 100644 (file)
@@ -40,7 +40,7 @@ void do_reloc16(unsigned int val, unsigned int *loc, unsigned int val_mask,
 
        tmp2 = tmp & loc_mask;
        if (partial_in_place) {
-               tmp &= (!loc_mask);
+               tmp &= (~loc_mask);
                tmp =
                    tmp2 | ((tmp + ((val & val_mask) >> val_shift)) & val_mask);
        } else {
@@ -70,7 +70,7 @@ void do_reloc32(unsigned int val, unsigned int *loc, unsigned int val_mask,
 
        tmp2 = tmp & loc_mask;
        if (partial_in_place) {
-               tmp &= (!loc_mask);
+               tmp &= (~loc_mask);
                tmp =
                    tmp2 | ((tmp + ((val & val_mask) >> val_shift)) & val_mask);
        } else {
index 8b231e910ea68980dbd517be895200ad19e49f55..d974c0c1c65f34123af8c7d2a63e2fb3e390e9f9 100644 (file)
@@ -4,6 +4,7 @@
 #include <linux/sched/debug.h>
 #include <linux/sched/task_stack.h>
 #include <linux/stacktrace.h>
+#include <linux/ftrace.h>
 
 void save_stack_trace(struct stack_trace *trace)
 {
@@ -16,6 +17,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
        unsigned long *fpn;
        int skip = trace->skip;
        int savesched;
+       int graph_idx = 0;
 
        if (tsk == current) {
                __asm__ __volatile__("\tori\t%0, $fp, #0\n":"=r"(fpn));
@@ -29,10 +31,12 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
               && (fpn >= (unsigned long *)TASK_SIZE)) {
                unsigned long lpp, fpp;
 
-               lpp = fpn[-1];
+               lpp = fpn[LP_OFFSET];
                fpp = fpn[FP_OFFSET];
                if (!__kernel_text_address(lpp))
                        break;
+               else
+                       lpp = ftrace_graph_ret_addr(tsk, &graph_idx, lpp, NULL);
 
                if (savesched || !in_sched_functions(lpp)) {
                        if (skip) {
index a6205fd4db521eaf83c606d399975a4fe275c250..1496aab48998817c00cb175dbd8b09b3453d73dd 100644 (file)
@@ -8,6 +8,7 @@
 #include <linux/kdebug.h>
 #include <linux/sched/task_stack.h>
 #include <linux/uaccess.h>
+#include <linux/ftrace.h>
 
 #include <asm/proc-fns.h>
 #include <asm/unistd.h>
@@ -94,28 +95,6 @@ static void dump_instr(struct pt_regs *regs)
        set_fs(fs);
 }
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-#include <linux/ftrace.h>
-static void
-get_real_ret_addr(unsigned long *addr, struct task_struct *tsk, int *graph)
-{
-       if (*addr == (unsigned long)return_to_handler) {
-               int index = tsk->curr_ret_stack;
-
-               if (tsk->ret_stack && index >= *graph) {
-                       index -= *graph;
-                       *addr = tsk->ret_stack[index].ret;
-                       (*graph)++;
-               }
-       }
-}
-#else
-static inline void
-get_real_ret_addr(unsigned long *addr, struct task_struct *tsk, int *graph)
-{
-}
-#endif
-
 #define LOOP_TIMES (100)
 static void __dump(struct task_struct *tsk, unsigned long *base_reg)
 {
@@ -126,7 +105,8 @@ static void __dump(struct task_struct *tsk, unsigned long *base_reg)
                while (!kstack_end(base_reg)) {
                        ret_addr = *base_reg++;
                        if (__kernel_text_address(ret_addr)) {
-                               get_real_ret_addr(&ret_addr, tsk, &graph);
+                               ret_addr = ftrace_graph_ret_addr(
+                                               tsk, &graph, ret_addr, NULL);
                                print_ip_sym(ret_addr);
                        }
                        if (--cnt < 0)
@@ -137,15 +117,12 @@ static void __dump(struct task_struct *tsk, unsigned long *base_reg)
                       !((unsigned long)base_reg & 0x3) &&
                       ((unsigned long)base_reg >= TASK_SIZE)) {
                        unsigned long next_fp;
-#if !defined(NDS32_ABI_2)
-                       ret_addr = base_reg[0];
-                       next_fp = base_reg[1];
-#else
-                       ret_addr = base_reg[-1];
+                       ret_addr = base_reg[LP_OFFSET];
                        next_fp = base_reg[FP_OFFSET];
-#endif
                        if (__kernel_text_address(ret_addr)) {
-                               get_real_ret_addr(&ret_addr, tsk, &graph);
+
+                               ret_addr = ftrace_graph_ret_addr(
+                                               tsk, &graph, ret_addr, NULL);
                                print_ip_sym(ret_addr);
                        }
                        if (--cnt < 0)
@@ -196,11 +173,10 @@ void die(const char *str, struct pt_regs *regs, int err)
        pr_emerg("CPU: %i\n", smp_processor_id());
        show_regs(regs);
        pr_emerg("Process %s (pid: %d, stack limit = 0x%p)\n",
-                tsk->comm, tsk->pid, task_thread_info(tsk) + 1);
+                tsk->comm, tsk->pid, end_of_stack(tsk));
 
        if (!user_mode(regs) || in_interrupt()) {
-               dump_mem("Stack: ", regs->sp,
-                        THREAD_SIZE + (unsigned long)task_thread_info(tsk));
+               dump_mem("Stack: ", regs->sp, (regs->sp + PAGE_SIZE) & PAGE_MASK);
                dump_instr(regs);
                dump_stack();
        }
index 288313b886efa269fb0e13eb9231d50879e72947..9e90f30a181d7d9c9b06dc04d230c02bfde67b78 100644 (file)
@@ -13,14 +13,26 @@ OUTPUT_ARCH(nds32)
 ENTRY(_stext_lma)
 jiffies = jiffies_64;
 
+#if defined(CONFIG_GCOV_KERNEL)
+#define NDS32_EXIT_KEEP(x)     x
+#else
+#define NDS32_EXIT_KEEP(x)
+#endif
+
 SECTIONS
 {
        _stext_lma = TEXTADDR - LOAD_OFFSET;
        . = TEXTADDR;
        __init_begin = .;
        HEAD_TEXT_SECTION
+       .exit.text : {
+               NDS32_EXIT_KEEP(EXIT_TEXT)
+       }
        INIT_TEXT_SECTION(PAGE_SIZE)
        INIT_DATA_SECTION(16)
+       .exit.data : {
+               NDS32_EXIT_KEEP(EXIT_DATA)
+       }
        PERCPU_SECTION(L1_CACHE_BYTES)
        __init_end = .;
 
index 7a49f0d28d14c106ea9300c8e54ad18aa6471e0b..f1da8a7b17ff49b4965f4f5d9e647b9e1d1e258d 100644 (file)
@@ -3,15 +3,6 @@
 config TRACE_IRQFLAGS_SUPPORT
        def_bool y
 
-config DEBUG_STACK_USAGE
-       bool "Enable stack utilization instrumentation"
-       depends on DEBUG_KERNEL
-       help
-         Enables the display of the minimum amount of free stack which each
-         task has ever had available in the sysrq-T and sysrq-P debug output.
-
-         This option will slow down process creation somewhat.
-
 config EARLY_PRINTK
        bool "Activate early kernel debugging"
        default y
index db0b6eebbfa5b55a6f7c4f55b1d489bcf158d974..a80669209155383343ba8adbb90b3e8427e2afdb 100644 (file)
@@ -177,7 +177,6 @@ config PPC
        select HAVE_ARCH_KGDB
        select HAVE_ARCH_MMAP_RND_BITS
        select HAVE_ARCH_MMAP_RND_COMPAT_BITS   if COMPAT
-       select HAVE_ARCH_PREL32_RELOCATIONS
        select HAVE_ARCH_SECCOMP_FILTER
        select HAVE_ARCH_TRACEHOOK
        select HAVE_CBPF_JIT                    if !PPC64
index 3c0e8fb2b773ebaf3bdfe404b2909d2d5ed48b4a..68e14afecac85b1d1fd0eff661f6a3aabe0217a6 100644 (file)
@@ -358,7 +358,7 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
        unsigned long pp, key;
        unsigned long v, orig_v, gr;
        __be64 *hptep;
-       int index;
+       long int index;
        int virtmode = vcpu->arch.shregs.msr & (data ? MSR_DR : MSR_IR);
 
        if (kvm_is_radix(vcpu->kvm))
index 0af1c0aea1fe659fca4723e17a02cc17eb8fa08f..fd6e8c13685f4c0223749647ad04c34a71ad4589 100644 (file)
@@ -725,10 +725,10 @@ int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot,
                                              gpa, shift);
                kvmppc_radix_tlbie_page(kvm, gpa, shift);
                if ((old & _PAGE_DIRTY) && memslot->dirty_bitmap) {
-                       unsigned long npages = 1;
+                       unsigned long psize = PAGE_SIZE;
                        if (shift)
-                               npages = 1ul << (shift - PAGE_SHIFT);
-                       kvmppc_update_dirty_map(memslot, gfn, npages);
+                               psize = 1ul << shift;
+                       kvmppc_update_dirty_map(memslot, gfn, psize);
                }
        }
        return 0;                               
index c229509288ea2d77c9efe72cfb1ccb0105371296..439dc7072e05bf37a722bb983b69dabed39651fa 100644 (file)
 #ifndef _ASM_RISCV_TLB_H
 #define _ASM_RISCV_TLB_H
 
+struct mmu_gather;
+
+static void tlb_flush(struct mmu_gather *tlb);
+
 #include <asm-generic/tlb.h>
 
 static inline void tlb_flush(struct mmu_gather *tlb)
index 568026ccf6e8712fa59dc3d1e216924f6d1c5c4d..fb03a4482ad60ac7ca66f86429897275020c5ffd 100644 (file)
@@ -65,24 +65,11 @@ SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
 SYSCALL_DEFINE3(riscv_flush_icache, uintptr_t, start, uintptr_t, end,
        uintptr_t, flags)
 {
-#ifdef CONFIG_SMP
-       struct mm_struct *mm = current->mm;
-       bool local = (flags & SYS_RISCV_FLUSH_ICACHE_LOCAL) != 0;
-#endif
-
        /* Check the reserved flags. */
        if (unlikely(flags & ~SYS_RISCV_FLUSH_ICACHE_ALL))
                return -EINVAL;
 
-       /*
-        * Without CONFIG_SMP flush_icache_mm is a just a flush_icache_all(),
-        * which generates unused variable warnings all over this function.
-        */
-#ifdef CONFIG_SMP
-       flush_icache_mm(mm, local);
-#else
-       flush_icache_all();
-#endif
+       flush_icache_mm(current->mm, flags & SYS_RISCV_FLUSH_ICACHE_LOCAL);
 
        return 0;
 }
index f31a15044c24a56875661aa6d3e195d75bd9ef9c..a8418e1379eb7ee08c92acd034eae000cb19c695 100644 (file)
@@ -16,7 +16,13 @@ typedef struct {
        unsigned long asce;
        unsigned long asce_limit;
        unsigned long vdso_base;
-       /* The mmu context allocates 4K page tables. */
+       /*
+        * The following bitfields need a down_write on the mm
+        * semaphore when they are written to. As they are only
+        * written once, they can be read without a lock.
+        *
+        * The mmu context allocates 4K page tables.
+        */
        unsigned int alloc_pgste:1;
        /* The mmu context uses extended page tables. */
        unsigned int has_pgste:1;
index 91ad4a9425c0b74c024f07fe8347651c91f4bfb7..f69333fd2fa3818c5eeb8bff9240f67e29f37ef0 100644 (file)
@@ -695,7 +695,9 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
                        r = -EINVAL;
                else {
                        r = 0;
+                       down_write(&kvm->mm->mmap_sem);
                        kvm->mm->context.allow_gmap_hpage_1m = 1;
+                       up_write(&kvm->mm->mmap_sem);
                        /*
                         * We might have to create fake 4k page
                         * tables. To avoid that the hardware works on
index d68f10441a164f2c22236adaa143edf6b1d0f7d0..8679bd74d337a583a3dde940d0cef1f427373a4b 100644 (file)
@@ -280,9 +280,11 @@ retry:
                        goto retry;
                }
        }
-       if (rc)
-               return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
        up_read(&current->mm->mmap_sem);
+       if (rc == -EFAULT)
+               return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+       if (rc < 0)
+               return rc;
        vcpu->run->s.regs.gprs[reg1] &= ~0xff;
        vcpu->run->s.regs.gprs[reg1] |= key;
        return 0;
@@ -324,9 +326,11 @@ retry:
                        goto retry;
                }
        }
-       if (rc < 0)
-               return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
        up_read(&current->mm->mmap_sem);
+       if (rc == -EFAULT)
+               return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+       if (rc < 0)
+               return rc;
        kvm_s390_set_psw_cc(vcpu, rc);
        return 0;
 }
@@ -390,12 +394,12 @@ static int handle_sske(struct kvm_vcpu *vcpu)
                                              FAULT_FLAG_WRITE, &unlocked);
                        rc = !rc ? -EAGAIN : rc;
                }
+               up_read(&current->mm->mmap_sem);
                if (rc == -EFAULT)
                        return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-
-               up_read(&current->mm->mmap_sem);
-               if (rc >= 0)
-                       start += PAGE_SIZE;
+               if (rc < 0)
+                       return rc;
+               start += PAGE_SIZE;
        }
 
        if (m3 & (SSKE_MC | SSKE_MR)) {
@@ -1002,13 +1006,15 @@ static int handle_pfmf(struct kvm_vcpu *vcpu)
                                                      FAULT_FLAG_WRITE, &unlocked);
                                rc = !rc ? -EAGAIN : rc;
                        }
+                       up_read(&current->mm->mmap_sem);
                        if (rc == -EFAULT)
                                return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
-
-                       up_read(&current->mm->mmap_sem);
-                       if (rc >= 0)
-                               start += PAGE_SIZE;
+                       if (rc == -EAGAIN)
+                               continue;
+                       if (rc < 0)
+                               return rc;
                }
+               start += PAGE_SIZE;
        }
        if (vcpu->run->s.regs.gprs[reg1] & PFMF_FSC) {
                if (psw_bits(vcpu->arch.sie_block->gpsw).eaba == PSW_BITS_AMODE_64BIT) {
index 63844b95c22c9902df769928313b988ee7d7667b..a2b28cd1e3fedb2bdcc6dbb1cff530ba0e3371a7 100644 (file)
@@ -173,7 +173,8 @@ static int shadow_crycb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
                return set_validity_icpt(scb_s, 0x0039U);
 
        /* copy only the wrapping keys */
-       if (read_guest_real(vcpu, crycb_addr + 72, &vsie_page->crycb, 56))
+       if (read_guest_real(vcpu, crycb_addr + 72,
+                           vsie_page->crycb.dea_wrapping_key_mask, 56))
                return set_validity_icpt(scb_s, 0x0035U);
 
        scb_s->ecb3 |= ecb3_flags;
index 3641a294ed5478ef3065d0cca08b6c54618fc0e2..e4abe9b8f97a60ba0304479e975b16442bfa9af7 100644 (file)
@@ -9,6 +9,7 @@
 #include <linux/irq.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
 #include <asm/leon.h>
 #include <asm/leon_amba.h>
 
@@ -381,6 +382,9 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
        else
                dev_set_name(&op->dev, "%08x", dp->phandle);
 
+       op->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+       op->dev.dma_mask = &op->dev.coherent_dma_mask;
+
        if (of_device_register(op)) {
                printk("%s: Could not register of device.\n",
                       dp->full_name);
index 44e4d4435bed78032b1b7a0d9935e577ec196538..6df6086968c6a6064b2fe35f3c5ff03e7083fbc2 100644 (file)
@@ -2,6 +2,7 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/export.h>
 #include <linux/mod_devicetable.h>
@@ -675,6 +676,8 @@ static struct platform_device * __init scan_one_device(struct device_node *dp,
                dev_set_name(&op->dev, "root");
        else
                dev_set_name(&op->dev, "%08x", dp->phandle);
+       op->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+       op->dev.dma_mask = &op->dev.coherent_dma_mask;
 
        if (of_device_register(op)) {
                printk("%s: Could not register of device.\n",
index c5ff296bc5d1252f6eaaf847755a3c88fed52c89..1a0be022f91d8d6d89bc154642e3bd29619e483c 100644 (file)
@@ -2843,7 +2843,7 @@ config X86_SYSFB
          This option, if enabled, marks VGA/VBE/EFI framebuffers as generic
          framebuffers so the new generic system-framebuffer drivers can be
          used on x86. If the framebuffer is not compatible with the generic
-         modes, it is adverticed as fallback platform framebuffer so legacy
+         modes, it is advertised as fallback platform framebuffer so legacy
          drivers like efifb, vesafb and uvesafb can pick it up.
          If this option is not selected, all system framebuffers are always
          marked as fallback platform framebuffers as usual.
index 94859241bc3eada03292e25362649b226511f872..8f6e7eb8ae9fc2342b79cb0fc65de922dee11f2e 100644 (file)
@@ -175,22 +175,6 @@ ifdef CONFIG_FUNCTION_GRAPH_TRACER
   endif
 endif
 
-ifndef CC_HAVE_ASM_GOTO
-  $(error Compiler lacks asm-goto support.)
-endif
-
-#
-# Jump labels need '-maccumulate-outgoing-args' for gcc < 4.5.2 to prevent a
-# GCC bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226).  There's no way
-# to test for this bug at compile-time because the test case needs to execute,
-# which is a no-go for cross compilers.  So check the GCC version instead.
-#
-ifdef CONFIG_JUMP_LABEL
-  ifneq ($(ACCUMULATE_OUTGOING_ARGS), 1)
-       ACCUMULATE_OUTGOING_ARGS = $(call cc-if-fullversion, -lt, 040502, 1)
-  endif
-endif
-
 ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1)
        # This compiler flag is not supported by Clang:
        KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args,)
@@ -312,6 +296,13 @@ PHONY += vdso_install
 vdso_install:
        $(Q)$(MAKE) $(build)=arch/x86/entry/vdso $@
 
+archprepare: checkbin
+checkbin:
+ifndef CC_HAVE_ASM_GOTO
+       @echo Compiler lacks asm-goto support.
+       @exit 1
+endif
+
 archclean:
        $(Q)rm -rf $(objtree)/arch/i386
        $(Q)rm -rf $(objtree)/arch/x86_64
index 9bd139569b410d9e41cff15fb36aeb366930be95..cb2deb61c5d96dc53aabdeb7bd880ed436f75db7 100644 (file)
@@ -223,34 +223,34 @@ ALL_F:      .octa 0xffffffffffffffffffffffffffffffff
        pcmpeqd TWOONE(%rip), \TMP2
        pand    POLY(%rip), \TMP2
        pxor    \TMP2, \TMP3
-       movdqa  \TMP3, HashKey(%arg2)
+       movdqu  \TMP3, HashKey(%arg2)
 
        movdqa     \TMP3, \TMP5
        pshufd     $78, \TMP3, \TMP1
        pxor       \TMP3, \TMP1
-       movdqa     \TMP1, HashKey_k(%arg2)
+       movdqu     \TMP1, HashKey_k(%arg2)
 
        GHASH_MUL  \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
 # TMP5 = HashKey^2<<1 (mod poly)
-       movdqa     \TMP5, HashKey_2(%arg2)
+       movdqu     \TMP5, HashKey_2(%arg2)
 # HashKey_2 = HashKey^2<<1 (mod poly)
        pshufd     $78, \TMP5, \TMP1
        pxor       \TMP5, \TMP1
-       movdqa     \TMP1, HashKey_2_k(%arg2)
+       movdqu     \TMP1, HashKey_2_k(%arg2)
 
        GHASH_MUL  \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
 # TMP5 = HashKey^3<<1 (mod poly)
-       movdqa     \TMP5, HashKey_3(%arg2)
+       movdqu     \TMP5, HashKey_3(%arg2)
        pshufd     $78, \TMP5, \TMP1
        pxor       \TMP5, \TMP1
-       movdqa     \TMP1, HashKey_3_k(%arg2)
+       movdqu     \TMP1, HashKey_3_k(%arg2)
 
        GHASH_MUL  \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
 # TMP5 = HashKey^3<<1 (mod poly)
-       movdqa     \TMP5, HashKey_4(%arg2)
+       movdqu     \TMP5, HashKey_4(%arg2)
        pshufd     $78, \TMP5, \TMP1
        pxor       \TMP5, \TMP1
-       movdqa     \TMP1, HashKey_4_k(%arg2)
+       movdqu     \TMP1, HashKey_4_k(%arg2)
 .endm
 
 # GCM_INIT initializes a gcm_context struct to prepare for encoding/decoding.
@@ -271,7 +271,7 @@ ALL_F:      .octa 0xffffffffffffffffffffffffffffffff
        movdqu %xmm0, CurCount(%arg2) # ctx_data.current_counter = iv
 
        PRECOMPUTE \SUBKEY, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7,
-       movdqa HashKey(%arg2), %xmm13
+       movdqu HashKey(%arg2), %xmm13
 
        CALC_AAD_HASH %xmm13, \AAD, \AADLEN, %xmm0, %xmm1, %xmm2, %xmm3, \
        %xmm4, %xmm5, %xmm6
@@ -997,7 +997,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        pshufd    $78, \XMM5, \TMP6
        pxor      \XMM5, \TMP6
        paddd     ONE(%rip), \XMM0              # INCR CNT
-       movdqa    HashKey_4(%arg2), \TMP5
+       movdqu    HashKey_4(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP4           # TMP4 = a1*b1
        movdqa    \XMM0, \XMM1
        paddd     ONE(%rip), \XMM0              # INCR CNT
@@ -1016,7 +1016,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        pxor      (%arg1), \XMM2
        pxor      (%arg1), \XMM3
        pxor      (%arg1), \XMM4
-       movdqa    HashKey_4_k(%arg2), \TMP5
+       movdqu    HashKey_4_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP6           # TMP6 = (a1+a0)*(b1+b0)
        movaps 0x10(%arg1), \TMP1
        AESENC    \TMP1, \XMM1              # Round 1
@@ -1031,7 +1031,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM6, \TMP1
        pshufd    $78, \XMM6, \TMP2
        pxor      \XMM6, \TMP2
-       movdqa    HashKey_3(%arg2), \TMP5
+       movdqu    HashKey_3(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1           # TMP1 = a1 * b1
        movaps 0x30(%arg1), \TMP3
        AESENC    \TMP3, \XMM1              # Round 3
@@ -1044,7 +1044,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        AESENC    \TMP3, \XMM2
        AESENC    \TMP3, \XMM3
        AESENC    \TMP3, \XMM4
-       movdqa    HashKey_3_k(%arg2), \TMP5
+       movdqu    HashKey_3_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2           # TMP2 = (a1+a0)*(b1+b0)
        movaps 0x50(%arg1), \TMP3
        AESENC    \TMP3, \XMM1              # Round 5
@@ -1058,7 +1058,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM7, \TMP1
        pshufd    $78, \XMM7, \TMP2
        pxor      \XMM7, \TMP2
-       movdqa    HashKey_2(%arg2), \TMP5
+       movdqu    HashKey_2(%arg2), \TMP5
 
         # Multiply TMP5 * HashKey using karatsuba
 
@@ -1074,7 +1074,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        AESENC    \TMP3, \XMM2
        AESENC    \TMP3, \XMM3
        AESENC    \TMP3, \XMM4
-       movdqa    HashKey_2_k(%arg2), \TMP5
+       movdqu    HashKey_2_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2           # TMP2 = (a1+a0)*(b1+b0)
        movaps 0x80(%arg1), \TMP3
        AESENC    \TMP3, \XMM1             # Round 8
@@ -1092,7 +1092,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM8, \TMP1
        pshufd    $78, \XMM8, \TMP2
        pxor      \XMM8, \TMP2
-       movdqa    HashKey(%arg2), \TMP5
+       movdqu    HashKey(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1          # TMP1 = a1*b1
        movaps 0x90(%arg1), \TMP3
        AESENC    \TMP3, \XMM1            # Round 9
@@ -1121,7 +1121,7 @@ aes_loop_par_enc_done\@:
        AESENCLAST \TMP3, \XMM2
        AESENCLAST \TMP3, \XMM3
        AESENCLAST \TMP3, \XMM4
-       movdqa    HashKey_k(%arg2), \TMP5
+       movdqu    HashKey_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2          # TMP2 = (a1+a0)*(b1+b0)
        movdqu    (%arg4,%r11,1), \TMP3
        pxor      \TMP3, \XMM1                 # Ciphertext/Plaintext XOR EK
@@ -1205,7 +1205,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        pshufd    $78, \XMM5, \TMP6
        pxor      \XMM5, \TMP6
        paddd     ONE(%rip), \XMM0              # INCR CNT
-       movdqa    HashKey_4(%arg2), \TMP5
+       movdqu    HashKey_4(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP4           # TMP4 = a1*b1
        movdqa    \XMM0, \XMM1
        paddd     ONE(%rip), \XMM0              # INCR CNT
@@ -1224,7 +1224,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        pxor      (%arg1), \XMM2
        pxor      (%arg1), \XMM3
        pxor      (%arg1), \XMM4
-       movdqa    HashKey_4_k(%arg2), \TMP5
+       movdqu    HashKey_4_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP6           # TMP6 = (a1+a0)*(b1+b0)
        movaps 0x10(%arg1), \TMP1
        AESENC    \TMP1, \XMM1              # Round 1
@@ -1239,7 +1239,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM6, \TMP1
        pshufd    $78, \XMM6, \TMP2
        pxor      \XMM6, \TMP2
-       movdqa    HashKey_3(%arg2), \TMP5
+       movdqu    HashKey_3(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1           # TMP1 = a1 * b1
        movaps 0x30(%arg1), \TMP3
        AESENC    \TMP3, \XMM1              # Round 3
@@ -1252,7 +1252,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        AESENC    \TMP3, \XMM2
        AESENC    \TMP3, \XMM3
        AESENC    \TMP3, \XMM4
-       movdqa    HashKey_3_k(%arg2), \TMP5
+       movdqu    HashKey_3_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2           # TMP2 = (a1+a0)*(b1+b0)
        movaps 0x50(%arg1), \TMP3
        AESENC    \TMP3, \XMM1              # Round 5
@@ -1266,7 +1266,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM7, \TMP1
        pshufd    $78, \XMM7, \TMP2
        pxor      \XMM7, \TMP2
-       movdqa    HashKey_2(%arg2), \TMP5
+       movdqu    HashKey_2(%arg2), \TMP5
 
         # Multiply TMP5 * HashKey using karatsuba
 
@@ -1282,7 +1282,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        AESENC    \TMP3, \XMM2
        AESENC    \TMP3, \XMM3
        AESENC    \TMP3, \XMM4
-       movdqa    HashKey_2_k(%arg2), \TMP5
+       movdqu    HashKey_2_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2           # TMP2 = (a1+a0)*(b1+b0)
        movaps 0x80(%arg1), \TMP3
        AESENC    \TMP3, \XMM1             # Round 8
@@ -1300,7 +1300,7 @@ TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
        movdqa    \XMM8, \TMP1
        pshufd    $78, \XMM8, \TMP2
        pxor      \XMM8, \TMP2
-       movdqa    HashKey(%arg2), \TMP5
+       movdqu    HashKey(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1          # TMP1 = a1*b1
        movaps 0x90(%arg1), \TMP3
        AESENC    \TMP3, \XMM1            # Round 9
@@ -1329,7 +1329,7 @@ aes_loop_par_dec_done\@:
        AESENCLAST \TMP3, \XMM2
        AESENCLAST \TMP3, \XMM3
        AESENCLAST \TMP3, \XMM4
-       movdqa    HashKey_k(%arg2), \TMP5
+       movdqu    HashKey_k(%arg2), \TMP5
        PCLMULQDQ 0x00, \TMP5, \TMP2          # TMP2 = (a1+a0)*(b1+b0)
        movdqu    (%arg4,%r11,1), \TMP3
        pxor      \TMP3, \XMM1                 # Ciphertext/Plaintext XOR EK
@@ -1405,10 +1405,10 @@ TMP7 XMM1 XMM2 XMM3 XMM4 XMMDst
        movdqa    \XMM1, \TMP6
        pshufd    $78, \XMM1, \TMP2
        pxor      \XMM1, \TMP2
-       movdqa    HashKey_4(%arg2), \TMP5
+       movdqu    HashKey_4(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP6       # TMP6 = a1*b1
        PCLMULQDQ 0x00, \TMP5, \XMM1       # XMM1 = a0*b0
-       movdqa    HashKey_4_k(%arg2), \TMP4
+       movdqu    HashKey_4_k(%arg2), \TMP4
        PCLMULQDQ 0x00, \TMP4, \TMP2       # TMP2 = (a1+a0)*(b1+b0)
        movdqa    \XMM1, \XMMDst
        movdqa    \TMP2, \XMM1              # result in TMP6, XMMDst, XMM1
@@ -1418,10 +1418,10 @@ TMP7 XMM1 XMM2 XMM3 XMM4 XMMDst
        movdqa    \XMM2, \TMP1
        pshufd    $78, \XMM2, \TMP2
        pxor      \XMM2, \TMP2
-       movdqa    HashKey_3(%arg2), \TMP5
+       movdqu    HashKey_3(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1       # TMP1 = a1*b1
        PCLMULQDQ 0x00, \TMP5, \XMM2       # XMM2 = a0*b0
-       movdqa    HashKey_3_k(%arg2), \TMP4
+       movdqu    HashKey_3_k(%arg2), \TMP4
        PCLMULQDQ 0x00, \TMP4, \TMP2       # TMP2 = (a1+a0)*(b1+b0)
        pxor      \TMP1, \TMP6
        pxor      \XMM2, \XMMDst
@@ -1433,10 +1433,10 @@ TMP7 XMM1 XMM2 XMM3 XMM4 XMMDst
        movdqa    \XMM3, \TMP1
        pshufd    $78, \XMM3, \TMP2
        pxor      \XMM3, \TMP2
-       movdqa    HashKey_2(%arg2), \TMP5
+       movdqu    HashKey_2(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1       # TMP1 = a1*b1
        PCLMULQDQ 0x00, \TMP5, \XMM3       # XMM3 = a0*b0
-       movdqa    HashKey_2_k(%arg2), \TMP4
+       movdqu    HashKey_2_k(%arg2), \TMP4
        PCLMULQDQ 0x00, \TMP4, \TMP2       # TMP2 = (a1+a0)*(b1+b0)
        pxor      \TMP1, \TMP6
        pxor      \XMM3, \XMMDst
@@ -1446,10 +1446,10 @@ TMP7 XMM1 XMM2 XMM3 XMM4 XMMDst
        movdqa    \XMM4, \TMP1
        pshufd    $78, \XMM4, \TMP2
        pxor      \XMM4, \TMP2
-       movdqa    HashKey(%arg2), \TMP5
+       movdqu    HashKey(%arg2), \TMP5
        PCLMULQDQ 0x11, \TMP5, \TMP1        # TMP1 = a1*b1
        PCLMULQDQ 0x00, \TMP5, \XMM4       # XMM4 = a0*b0
-       movdqa    HashKey_k(%arg2), \TMP4
+       movdqu    HashKey_k(%arg2), \TMP4
        PCLMULQDQ 0x00, \TMP4, \TMP2       # TMP2 = (a1+a0)*(b1+b0)
        pxor      \TMP1, \TMP6
        pxor      \XMM4, \XMMDst
index 5f4829f10129c5bfd59b803d0ddd4a21be0b3107..dfb2f7c0d0192bcd16569d03badd498f355accf7 100644 (file)
@@ -2465,7 +2465,7 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs
 
        perf_callchain_store(entry, regs->ip);
 
-       if (!current->mm)
+       if (!nmi_uaccess_okay())
                return;
 
        if (perf_callchain_user32(regs, entry))
index b143717b92b3447c480495e23be68470bc7bf463..ce84388e540c918a01e31599bc78881a5b9d2954 100644 (file)
@@ -80,11 +80,11 @@ static __always_inline void arch_atomic_sub(int i, atomic_t *v)
  * true if the result is zero, or false for all
  * other cases.
  */
-#define arch_atomic_sub_and_test arch_atomic_sub_and_test
 static __always_inline bool arch_atomic_sub_and_test(int i, atomic_t *v)
 {
        GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", e);
 }
+#define arch_atomic_sub_and_test arch_atomic_sub_and_test
 
 /**
  * arch_atomic_inc - increment atomic variable
@@