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authorAndrey Konovalov <andrey.konovalov@linaro.org>2013-05-27 18:08:24 +0400
committerAndrey Konovalov <andrey.konovalov@linaro.org>2013-05-27 18:08:24 +0400
commit8f8d94793f513864f6f911b25fdc055c66eb624c (patch)
tree7f57b7f75d67e985a9974581cecad92d22812238
parent04223136cea89a64e43d9f1dec5e7b2eabb30a3e (diff)
parent0bfd8ffeff9dda08c69381d65c72e0aa58706ef6 (diff)
downloadvexpress-lsk-8f8d94793f513864f6f911b25fdc055c66eb624c.tar.gz
Merge branch 'tracking-linux-3.x.y' into merge-linux-linaro-lsk
-rw-r--r--Makefile2
-rw-r--r--arch/arm/boot/dts/at91sam9260.dtsi16
-rw-r--r--arch/arm/boot/dts/at91sam9g15.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9g15ek.dts2
-rw-r--r--arch/arm/boot/dts/at91sam9g25.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9g35.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9x25.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9x35.dtsi2
-rw-r--r--arch/arm/boot/dts/at91sam9x5ek.dtsi2
-rw-r--r--arch/arm/configs/at91sam9g45_defconfig1
-rw-r--r--arch/arm/include/asm/cmpxchg.h8
-rw-r--r--arch/arm/include/asm/pgtable.h9
-rw-r--r--arch/arm/mach-at91/setup.c2
-rw-r--r--arch/arm/mach-exynos/include/mach/regs-pmu.h1
-rw-r--r--arch/arm/mach-exynos/pmu.c5
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c4
-rw-r--r--arch/arm/mach-omap2/cpuidle34xx.c5
-rw-r--r--arch/arm/mach-u300/include/mach/u300-regs.h2
-rw-r--r--arch/arm/xen/enlighten.c2
-rw-r--r--arch/arm64/kernel/debug-monitors.c2
-rw-r--r--arch/arm64/mm/cache.S2
-rw-r--r--arch/arm64/mm/fault.c3
-rw-r--r--arch/arm64/mm/proc.S3
-rw-r--r--arch/avr32/configs/favr-32_defconfig1
-rw-r--r--arch/avr32/configs/merisc_defconfig1
-rw-r--r--arch/ia64/include/asm/futex.h5
-rw-r--r--arch/ia64/include/asm/mca.h1
-rw-r--r--arch/ia64/kernel/irq.c8
-rw-r--r--arch/ia64/kernel/mca.c37
-rw-r--r--arch/ia64/kvm/vtlb.c2
-rw-r--r--arch/parisc/Makefile23
-rw-r--r--arch/parisc/kernel/entry.S172
-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h4
-rw-r--r--arch/powerpc/include/asm/rtas.h2
-rw-r--r--arch/powerpc/kernel/cpu_setup_power.S1
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S2
-rw-r--r--arch/powerpc/kernel/head_64.S1
-rw-r--r--arch/powerpc/kernel/machine_kexec_64.c4
-rw-r--r--arch/powerpc/kernel/rtas.c113
-rw-r--r--arch/powerpc/kernel/traps.c10
-rw-r--r--arch/powerpc/mm/hash_utils_64.c1
-rw-r--r--arch/powerpc/mm/numa.c2
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c1
-rw-r--r--arch/powerpc/platforms/pseries/suspend.c22
-rw-r--r--arch/tile/Kconfig14
-rw-r--r--arch/tile/include/hv/hypervisor.h27
-rw-r--r--arch/tile/kernel/head_32.S2
-rw-r--r--arch/tile/kernel/head_64.S12
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/crypto/crc32c-pcl-intel-asm_64.S5
-rw-r--r--arch/x86/include/asm/syscalls.h4
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c13
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_lbr.c27
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore.c17
-rw-r--r--arch/x86/kernel/head64.c3
-rw-r--r--arch/x86/kernel/head_64.S1
-rw-r--r--arch/x86/kernel/irq.c4
-rw-r--r--arch/x86/kernel/microcode_intel_early.c5
-rw-r--r--arch/x86/kernel/vm86_32.c11
-rw-r--r--arch/x86/kvm/emulate.c46
-rw-r--r--arch/x86/kvm/vmx.c6
-rw-r--r--arch/x86/xen/enlighten.c20
-rw-r--r--arch/x86/xen/smp.c2
-rw-r--r--arch/x86/xen/time.c6
-rw-r--r--block/blk-cgroup.c4
-rw-r--r--drivers/acpi/acpica/exfldio.c14
-rw-r--r--drivers/acpi/ec.c4
-rw-r--r--drivers/acpi/osl.c2
-rw-r--r--drivers/acpi/pci_root.c4
-rw-r--r--drivers/acpi/thermal.c16
-rw-r--r--drivers/ata/libata-acpi.c45
-rw-r--r--drivers/ata/sata_highbank.c2
-rw-r--r--drivers/block/drbd/drbd_main.c1
-rw-r--r--drivers/block/drbd/drbd_receiver.c5
-rw-r--r--drivers/char/ipmi/ipmi_bt_sm.c4
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c14
-rw-r--r--drivers/char/tpm/tpm.c31
-rw-r--r--drivers/char/tpm/tpm.h3
-rw-r--r--drivers/cpufreq/intel_pstate.c67
-rw-r--r--drivers/dma/of-dma.c8
-rw-r--r--drivers/dma/pch_dma.c2
-rw-r--r--drivers/edac/edac_mc_sysfs.c12
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h2
-rw-r--r--drivers/gpu/drm/ast/ast_fb.c43
-rw-r--r--drivers/gpu/drm/ast/ast_ttm.c2
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_drv.h2
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_fbdev.c38
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_ttm.c2
-rw-r--r--drivers/gpu/drm/drm_crtc.c4
-rw-r--r--drivers/gpu/drm/drm_gem.c4
-rw-r--r--drivers/gpu/drm/drm_mm.c34
-rw-r--r--drivers/gpu/drm/drm_prime.c84
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dmabuf.c4
-rw-r--r--drivers/gpu/drm/gma500/psb_irq.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c28
-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c7
-rw-r--r--drivers/gpu/drm/i915/i915_gem_dmabuf.c5
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c3
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h2
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c6
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h4
-rw-r--r--drivers/gpu/drm/i915/intel_display.c60
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c5
-rw-r--r--drivers/gpu/drm/i915/intel_dvo.c13
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c16
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c9
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c7
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c9
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c5
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.h2
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_fb.c43
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_mode.c69
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_ttm.c4
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/bios/init.c4
-rw-r--r--drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c1
-rw-r--r--drivers/gpu/drm/radeon/atom.c6
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c3
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c115
-rw-r--r--drivers/gpu/drm/radeon/evergreen_reg.h2
-rw-r--r--drivers/gpu/drm/radeon/ni.c8
-rw-r--r--drivers/gpu/drm/radeon/nid.h4
-rw-r--r--drivers/gpu/drm/radeon/r100.c77
-rw-r--r--drivers/gpu/drm/radeon/r300_cmdbuf.c2
-rw-r--r--drivers/gpu/drm/radeon/r500_reg.h2
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c21
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c12
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c6
-rw-r--r--drivers/gpu/drm/radeon/radeon_ring.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c2
-rw-r--r--drivers/gpu/drm/radeon/rs600.c52
-rw-r--r--drivers/gpu/drm/radeon/rv515.c56
-rw-r--r--drivers/gpu/drm/radeon/si.c7
-rw-r--r--drivers/gpu/drm/radeon/sid.h2
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c2
-rw-r--r--drivers/gpu/drm/udl/udl_gem.c4
-rw-r--r--drivers/hid/hid-core.c1
-rw-r--r--drivers/hv/ring_buffer.c1
-rw-r--r--drivers/hwmon/abituguru.c16
-rw-r--r--drivers/i2c/busses/i2c-designware-core.c14
-rw-r--r--drivers/i2c/busses/i2c-designware-core.h2
-rw-r--r--drivers/i2c/busses/i2c-xiic.c6
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c25
-rw-r--r--drivers/iommu/amd_iommu.c3
-rw-r--r--drivers/md/dm-bufio.c24
-rw-r--r--drivers/md/dm-cache-target.c1
-rw-r--r--drivers/md/dm-snap.c1
-rw-r--r--drivers/md/dm-stripe.c11
-rw-r--r--drivers/md/dm-table.c2
-rw-r--r--drivers/md/md.c9
-rw-r--r--drivers/md/raid1.c7
-rw-r--r--drivers/md/raid10.c7
-rw-r--r--drivers/mfd/adp5520.c8
-rw-r--r--drivers/mmc/core/mmc.c2
-rw-r--r--drivers/mmc/host/Kconfig10
-rw-r--r--drivers/mmc/host/atmel-mci.c16
-rw-r--r--drivers/net/ethernet/3com/3c509.c2
-rw-r--r--drivers/net/ethernet/3com/3c59x.c27
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c3
-rw-r--r--drivers/net/ethernet/ibm/ibmveth.c23
-rw-r--r--drivers/net/ethernet/intel/e1000e/ptp.c3
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c10
-rw-r--r--drivers/net/ethernet/realtek/r8169.c9
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c2
-rw-r--r--drivers/net/ethernet/tile/tilegx.c2
-rw-r--r--drivers/net/macvlan.c7
-rw-r--r--drivers/net/ntb_netdev.c2
-rw-r--r--drivers/net/tun.c7
-rw-r--r--drivers/net/usb/asix_common.c3
-rw-r--r--drivers/net/usb/cdc_ether.c7
-rw-r--r--drivers/net/usb/qmi_wwan.c7
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c6
-rw-r--r--drivers/net/wireless/b43/dma.c19
-rw-r--r--drivers/net/wireless/b43/dma.h4
-rw-r--r--drivers/net/wireless/b43/main.c43
-rw-r--r--drivers/net/wireless/iwlegacy/4965-mac.c3
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/debugfs.c16
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/sta.c5
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c3
-rw-r--r--drivers/net/wireless/mwifiex/cmdevt.c1
-rw-r--r--drivers/net/wireless/mwifiex/main.c1
-rw-r--r--drivers/net/wireless/mwifiex/pcie.c4
-rw-r--r--drivers/net/wireless/mwifiex/sta_ioctl.c21
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c8
-rw-r--r--drivers/ntb/ntb_hw.c10
-rw-r--r--drivers/ntb/ntb_transport.c175
-rw-r--r--drivers/pci/bus.c1
-rw-r--r--drivers/pci/pci.c12
-rw-r--r--drivers/pci/probe.c1
-rw-r--r--drivers/platform/x86/hp_accel.c3
-rw-r--r--drivers/pwm/pwm-spear.c6
-rw-r--r--drivers/remoteproc/Kconfig1
-rw-r--r--drivers/rpmsg/Kconfig1
-rw-r--r--drivers/rtc/Kconfig2
-rw-r--r--drivers/rtc/rtc-at91rm9200.c14
-rw-r--r--drivers/rtc/rtc-cmos.c4
-rw-r--r--drivers/rtc/rtc-pcf2123.c1
-rw-r--r--drivers/s390/char/sclp_cmd.c4
-rw-r--r--drivers/scsi/sd.c20
-rw-r--r--drivers/scsi/sd.h1
-rw-r--r--drivers/staging/zsmalloc/Kconfig2
-rw-r--r--drivers/staging/zsmalloc/zsmalloc-main.c5
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.c7
-rw-r--r--drivers/target/target_core_file.c10
-rw-r--r--drivers/target/target_core_iblock.c2
-rw-r--r--drivers/target/target_core_transport.c11
-rw-r--r--drivers/tty/pty.c3
-rw-r--r--drivers/tty/serial/serial_core.c4
-rw-r--r--drivers/tty/tty_io.c4
-rw-r--r--drivers/usb/chipidea/udc.c8
-rw-r--r--drivers/usb/chipidea/udc.h4
-rw-r--r--drivers/usb/core/devio.c2
-rw-r--r--drivers/usb/host/ehci-hcd.c3
-rw-r--r--drivers/usb/misc/appledisplay.c1
-rw-r--r--drivers/usb/serial/ftdi_sio.c23
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h4
-rw-r--r--drivers/usb/serial/io_ti.c2
-rw-r--r--drivers/usb/serial/option.c8
-rw-r--r--drivers/usb/storage/cypress_atacb.c16
-rw-r--r--drivers/video/console/fbcon.c2
-rw-r--r--drivers/watchdog/watchdog_dev.c3
-rw-r--r--fs/autofs4/expire.c9
-rw-r--r--fs/btrfs/delayed-ref.c24
-rw-r--r--fs/btrfs/inode.c21
-rw-r--r--fs/btrfs/ioctl.c10
-rw-r--r--fs/dcache.c4
-rw-r--r--fs/exec.c7
-rw-r--r--fs/ext4/Kconfig3
-rw-r--r--fs/ext4/ext4_jbd2.h6
-rw-r--r--fs/ext4/fsync.c3
-rw-r--r--fs/ext4/inode.c11
-rw-r--r--fs/ext4/mballoc.c14
-rw-r--r--fs/ext4/mmp.c2
-rw-r--r--fs/ext4/resize.c6
-rw-r--r--fs/ext4/super.c14
-rw-r--r--fs/fscache/stats.c2
-rw-r--r--fs/hugetlbfs/inode.c24
-rw-r--r--fs/jbd2/commit.c50
-rw-r--r--fs/jbd2/journal.c31
-rw-r--r--fs/lockd/clntlock.c3
-rw-r--r--fs/lockd/clntproc.c3
-rw-r--r--fs/namei.c2
-rw-r--r--fs/namespace.c5
-rw-r--r--fs/nfs/nfs4proc.c16
-rw-r--r--fs/nfsd/nfs4proc.c23
-rw-r--r--fs/nfsd/nfs4recover.c12
-rw-r--r--fs/nfsd/nfs4state.c10
-rw-r--r--fs/nfsd/nfs4xdr.c19
-rw-r--r--fs/notify/inotify/inotify_user.c6
-rw-r--r--fs/sysfs/dir.c15
-rw-r--r--include/asm-generic/pgtable.h10
-rw-r--r--include/drm/drmP.h5
-rw-r--r--include/drm/drm_pciids.h5
-rw-r--r--include/linux/audit.h7
-rw-r--r--include/linux/blkdev.h2
-rw-r--r--include/linux/cgroup.h3
-rw-r--r--include/linux/hugetlb.h19
-rw-r--r--include/linux/ipc_namespace.h2
-rw-r--r--include/linux/jbd2.h2
-rw-r--r--include/linux/kref.h33
-rw-r--r--include/linux/sched.h18
-rw-r--r--include/linux/time.h4
-rw-r--r--include/net/inet_frag.h5
-rw-r--r--include/net/sock.h12
-rw-r--r--include/net/tcp.h1
-rw-r--r--include/sound/emu10k1.h1
-rw-r--r--include/uapi/linux/audit.h1
-rw-r--r--include/uapi/linux/if_cablemodem.h12
-rw-r--r--include/uapi/linux/virtio_console.h2
-rw-r--r--include/uapi/linux/virtio_net.h2
-rw-r--r--ipc/shm.c14
-rw-r--r--kernel/Makefile2
-rw-r--r--kernel/audit_tree.c2
-rw-r--r--kernel/auditfilter.c31
-rw-r--r--kernel/auditsc.c5
-rw-r--r--kernel/cgroup.c13
-rw-r--r--kernel/hrtimer.c6
-rw-r--r--kernel/kmod.c5
-rw-r--r--kernel/rcutree_trace.c8
-rw-r--r--kernel/sched/cputime.c70
-rw-r--r--kernel/time/Kconfig5
-rw-r--r--kernel/time/tick-broadcast.c4
-rw-r--r--kernel/time/tick-common.c1
-rw-r--r--kernel/time/tick-sched.c2
-rw-r--r--kernel/timer.c2
-rw-r--r--kernel/trace/ftrace.c5
-rw-r--r--kernel/trace/trace.c64
-rw-r--r--kernel/trace/trace_events_filter.c4
-rw-r--r--kernel/trace/trace_selftest.c9
-rw-r--r--kernel/trace/trace_stack.c76
-rw-r--r--kernel/trace/trace_stat.c2
-rw-r--r--lib/oid_registry.c5
-rw-r--r--mm/mmap.c15
-rw-r--r--mm/page_io.c17
-rw-r--r--net/8021q/vlan_dev.c2
-rw-r--r--net/bridge/br_stp_timer.c2
-rw-r--r--net/core/dev.c2
-rw-r--r--net/core/ethtool.c2
-rw-r--r--net/core/sock.c12
-rw-r--r--net/ipv4/inet_fragment.c1
-rw-r--r--net/ipv4/tcp_minisocks.c7
-rw-r--r--net/ipv6/ip6_gre.c2
-rw-r--r--net/ipv6/tcp_ipv6.c12
-rw-r--r--net/ipv6/udp.c13
-rw-r--r--net/ipv6/udp_impl.h2
-rw-r--r--net/ipv6/udplite.c2
-rw-r--r--net/ipv6/xfrm6_policy.c4
-rw-r--r--net/mac80211/cfg.c1
-rw-r--r--net/mac80211/iface.c5
-rw-r--r--net/mac80211/pm.c3
-rw-r--r--net/mac802154/mac802154.h2
-rw-r--r--net/netfilter/ipvs/ip_vs_pe_sip.c6
-rw-r--r--net/packet/af_packet.c53
-rw-r--r--net/sched/act_ipt.c33
-rw-r--r--net/vmw_vsock/af_vsock.c2
-rw-r--r--net/wireless/reg.c2
-rw-r--r--scripts/kconfig/list.h13
-rw-r--r--scripts/kconfig/mconf.c3
-rw-r--r--scripts/kconfig/streamline_config.pl17
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c39
-rw-r--r--sound/pci/hda/hda_codec.c7
-rw-r--r--sound/pci/hda/hda_generic.c22
-rw-r--r--sound/pci/hda/patch_conexant.c17
-rw-r--r--sound/pci/hda/patch_realtek.c6
-rw-r--r--sound/soc/codecs/da7213.c8
-rw-r--r--sound/soc/codecs/max98088.c2
-rw-r--r--sound/soc/codecs/wm8994.c1
-rw-r--r--sound/usb/6fire/pcm.c1
-rw-r--r--sound/usb/caiaq/audio.c3
-rw-r--r--sound/usb/card.c4
-rw-r--r--sound/usb/card.h1
-rw-r--r--sound/usb/endpoint.c5
-rw-r--r--sound/usb/midi.c13
-rw-r--r--sound/usb/misc/ua101.c3
-rw-r--r--sound/usb/pcm.c2
-rw-r--r--sound/usb/quirks.c1
-rw-r--r--sound/usb/stream.c9
-rw-r--r--sound/usb/usx2y/usb_stream.c1
-rw-r--r--sound/usb/usx2y/usbusx2yaudio.c1
-rw-r--r--sound/usb/usx2y/usx2yhwdeppcm.c1
342 files changed, 2705 insertions, 1183 deletions
diff --git a/Makefile b/Makefile
index 8fe69916e72..bfbfaf9ab29 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 9
-SUBLEVEL = 0
+SUBLEVEL = 4
EXTRAVERSION =
NAME = Unicycling Gorilla
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index cb7bcc51608..02b70a404a1 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -158,8 +158,8 @@
usart1 {
pinctrl_usart1: usart1-0 {
atmel,pins =
- <2 6 0x1 0x1 /* PB6 periph A with pullup */
- 2 7 0x1 0x0>; /* PB7 periph A */
+ <1 6 0x1 0x1 /* PB6 periph A with pullup */
+ 1 7 0x1 0x0>; /* PB7 periph A */
};
pinctrl_usart1_rts: usart1_rts-0 {
@@ -194,18 +194,18 @@
usart3 {
pinctrl_usart3: usart3-0 {
atmel,pins =
- <2 10 0x1 0x1 /* PB10 periph A with pullup */
- 2 11 0x1 0x0>; /* PB11 periph A */
+ <1 10 0x1 0x1 /* PB10 periph A with pullup */
+ 1 11 0x1 0x0>; /* PB11 periph A */
};
pinctrl_usart3_rts: usart3_rts-0 {
atmel,pins =
- <3 8 0x2 0x0>; /* PB8 periph B */
+ <2 8 0x2 0x0>; /* PC8 periph B */
};
pinctrl_usart3_cts: usart3_cts-0 {
atmel,pins =
- <3 10 0x2 0x0>; /* PB10 periph B */
+ <2 10 0x2 0x0>; /* PC10 periph B */
};
};
@@ -220,8 +220,8 @@
uart1 {
pinctrl_uart1: uart1-0 {
atmel,pins =
- <2 12 0x1 0x1 /* PB12 periph A with pullup */
- 2 13 0x1 0x0>; /* PB13 periph A */
+ <1 12 0x1 0x1 /* PB12 periph A with pullup */
+ 1 13 0x1 0x0>; /* PB13 periph A */
};
};
diff --git a/arch/arm/boot/dts/at91sam9g15.dtsi b/arch/arm/boot/dts/at91sam9g15.dtsi
index fbe7a7089c2..28467fd6bf9 100644
--- a/arch/arm/boot/dts/at91sam9g15.dtsi
+++ b/arch/arm/boot/dts/at91sam9g15.dtsi
@@ -10,7 +10,7 @@
/ {
model = "Atmel AT91SAM9G15 SoC";
- compatible = "atmel, at91sam9g15, atmel,at91sam9x5";
+ compatible = "atmel,at91sam9g15", "atmel,at91sam9x5";
ahb {
apb {
diff --git a/arch/arm/boot/dts/at91sam9g15ek.dts b/arch/arm/boot/dts/at91sam9g15ek.dts
index 86dd3f6d938..5427b2dba87 100644
--- a/arch/arm/boot/dts/at91sam9g15ek.dts
+++ b/arch/arm/boot/dts/at91sam9g15ek.dts
@@ -11,6 +11,6 @@
/include/ "at91sam9x5ek.dtsi"
/ {
- model = "Atmel AT91SAM9G25-EK";
+ model = "Atmel AT91SAM9G15-EK";
compatible = "atmel,at91sam9g15ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
};
diff --git a/arch/arm/boot/dts/at91sam9g25.dtsi b/arch/arm/boot/dts/at91sam9g25.dtsi
index 05a718fb83c..5fd32df03f2 100644
--- a/arch/arm/boot/dts/at91sam9g25.dtsi
+++ b/arch/arm/boot/dts/at91sam9g25.dtsi
@@ -10,7 +10,7 @@
/ {
model = "Atmel AT91SAM9G25 SoC";
- compatible = "atmel, at91sam9g25, atmel,at91sam9x5";
+ compatible = "atmel,at91sam9g25", "atmel,at91sam9x5";
ahb {
apb {
diff --git a/arch/arm/boot/dts/at91sam9g35.dtsi b/arch/arm/boot/dts/at91sam9g35.dtsi
index f9d14a72279..d6fa8af5072 100644
--- a/arch/arm/boot/dts/at91sam9g35.dtsi
+++ b/arch/arm/boot/dts/at91sam9g35.dtsi
@@ -10,7 +10,7 @@
/ {
model = "Atmel AT91SAM9G35 SoC";
- compatible = "atmel, at91sam9g35, atmel,at91sam9x5";
+ compatible = "atmel,at91sam9g35", "atmel,at91sam9x5";
ahb {
apb {
diff --git a/arch/arm/boot/dts/at91sam9x25.dtsi b/arch/arm/boot/dts/at91sam9x25.dtsi
index 54eb33ba6d2..9ac2bc2b4f0 100644
--- a/arch/arm/boot/dts/at91sam9x25.dtsi
+++ b/arch/arm/boot/dts/at91sam9x25.dtsi
@@ -10,7 +10,7 @@
/ {
model = "Atmel AT91SAM9X25 SoC";
- compatible = "atmel, at91sam9x25, atmel,at91sam9x5";
+ compatible = "atmel,at91sam9x25", "atmel,at91sam9x5";
ahb {
apb {
diff --git a/arch/arm/boot/dts/at91sam9x35.dtsi b/arch/arm/boot/dts/at91sam9x35.dtsi
index fb102d6126c..ba67d83d17a 100644
--- a/arch/arm/boot/dts/at91sam9x35.dtsi
+++ b/arch/arm/boot/dts/at91sam9x35.dtsi
@@ -10,7 +10,7 @@
/ {
model = "Atmel AT91SAM9X35 SoC";
- compatible = "atmel, at91sam9x35, atmel,at91sam9x5";
+ compatible = "atmel,at91sam9x35", "atmel,at91sam9x5";
ahb {
apb {
diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
index 8a7cf1d9cf5..ccab2568b0d 100644
--- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
@@ -13,7 +13,7 @@
compatible = "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
chosen {
- bootargs = "128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
+ bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
};
ahb {
diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig
index 606d48f3b8f..8aab786863d 100644
--- a/arch/arm/configs/at91sam9g45_defconfig
+++ b/arch/arm/configs/at91sam9g45_defconfig
@@ -173,7 +173,6 @@ CONFIG_MMC=y
# CONFIG_MMC_BLOCK_BOUNCE is not set
CONFIG_SDIO_UART=m
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_LEDS_ATMEL_PWM=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 7eb18c1d8d6..4f009c10540 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -233,15 +233,15 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
((__typeof__(*(ptr)))atomic64_cmpxchg(container_of((ptr), \
atomic64_t, \
counter), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
#define cmpxchg64_local(ptr, o, n) \
((__typeof__(*(ptr)))local64_cmpxchg(container_of((ptr), \
local64_t, \
a), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))
#endif /* __LINUX_ARM_ARCH__ >= 6 */
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 80d6fc4dbe4..9bcd262a900 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -61,6 +61,15 @@ extern void __pgd_error(const char *file, int line, pgd_t);
#define FIRST_USER_ADDRESS PAGE_SIZE
/*
+ * Use TASK_SIZE as the ceiling argument for free_pgtables() and
+ * free_pgd_range() to avoid freeing the modules pmd when LPAE is enabled (pmd
+ * page shared between user and kernel).
+ */
+#ifdef CONFIG_ARM_LPAE
+#define USER_PGTABLES_CEILING TASK_SIZE
+#endif
+
+/*
* The pgprot_* and protection_map entries will be fixed up in runtime
* to include the cachable and bufferable bits based on memory policy,
* as well as any architecture dependent bits like global/ASID and SMP
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 4b678478cf9..6b4608d58da 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -333,7 +333,7 @@ static void at91_dt_rstc(void)
of_id = of_match_node(rstc_ids, np);
if (!of_id)
- panic("AT91: rtsc no restart function availlable\n");
+ panic("AT91: rtsc no restart function available\n");
arm_pm_restart = of_id->data;
diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h
index 3f30aa1ae35..57344b7e98c 100644
--- a/arch/arm/mach-exynos/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h
@@ -344,6 +344,7 @@
#define EXYNOS5_FSYS_ARM_OPTION S5P_PMUREG(0x2208)
#define EXYNOS5_ISP_ARM_OPTION S5P_PMUREG(0x2288)
#define EXYNOS5_ARM_COMMON_OPTION S5P_PMUREG(0x2408)
+#define EXYNOS5_ARM_L2_OPTION S5P_PMUREG(0x2608)
#define EXYNOS5_TOP_PWR_OPTION S5P_PMUREG(0x2C48)
#define EXYNOS5_TOP_PWR_SYSMEM_OPTION S5P_PMUREG(0x2CC8)
#define EXYNOS5_JPEG_MEM_OPTION S5P_PMUREG(0x2F48)
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index daebc1abc96..97d68852625 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -228,6 +228,7 @@ static struct exynos_pmu_conf exynos5250_pmu_config[] = {
{ EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
{ EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} },
+ { EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } },
{ EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
@@ -353,11 +354,9 @@ static void exynos5_init_pmu(void)
/*
* SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable
- * MANUAL_L2RSTDISABLE_CONTROL_BITFIELD Enable
*/
tmp = __raw_readl(EXYNOS5_ARM_COMMON_OPTION);
- tmp |= (EXYNOS5_MANUAL_L2RSTDISABLE_CONTROL |
- EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN);
+ tmp |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN;
__raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION);
/*
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 3a077df6b8d..9bc9f191f9c 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -73,11 +73,11 @@
#define LIS302_IRQ1_GPIO 181
#define LIS302_IRQ2_GPIO 180 /* Not yet in use */
-/* list all spi devices here */
+/* List all SPI devices here. Note that the list/probe order seems to matter! */
enum {
RX51_SPI_WL1251,
- RX51_SPI_MIPID, /* LCD panel */
RX51_SPI_TSC2005, /* Touch Controller */
+ RX51_SPI_MIPID, /* LCD panel */
};
static struct wl12xx_platform_data wl1251_pdata;
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index 80392fca86c..4f67a5b9bc5 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -274,8 +274,9 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev,
static DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev);
static struct cpuidle_driver omap3_idle_driver = {
- .name = "omap3_idle",
- .owner = THIS_MODULE,
+ .name = "omap3_idle",
+ .owner = THIS_MODULE,
+ .en_core_tk_irqen = 1,
.states = {
{
.enter = omap3_enter_idle_bm,
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 1e49d901f2c..0320495efc4 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -95,7 +95,7 @@
#define U300_SPI_BASE (U300_FAST_PER_PHYS_BASE+0x6000)
/* Fast UART1 on U335 only */
-#define U300_UART1_BASE (U300_SLOW_PER_PHYS_BASE+0x7000)
+#define U300_UART1_BASE (U300_FAST_PER_PHYS_BASE+0x7000)
/*
* SLOW peripherals
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 8dc0605a9ce..99ce18915a8 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -239,7 +239,7 @@ static int __init xen_init_events(void)
xen_init_IRQ();
if (request_percpu_irq(xen_events_irq, xen_arm_callback,
- "events", xen_vcpu)) {
+ "events", &xen_vcpu)) {
pr_err("Error requesting IRQ %d\n", xen_events_irq);
return -EINVAL;
}
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 0c3ba9f5137..f4726dc054b 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -136,8 +136,6 @@ void disable_debug_monitors(enum debug_el el)
*/
static void clear_os_lock(void *unused)
{
- asm volatile("msr mdscr_el1, %0" : : "r" (0));
- isb();
asm volatile("msr oslar_el1, %0" : : "r" (0));
isb();
}
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index abe69b80cf7..48a386094fa 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -52,7 +52,7 @@ loop1:
add x2, x2, #4 // add 4 (line length offset)
mov x4, #0x3ff
and x4, x4, x1, lsr #3 // find maximum number on the way size
- clz x5, x4 // find bit position of way size increment
+ clz w5, w4 // find bit position of way size increment
mov x7, #0x7fff
and x7, x7, x1, lsr #13 // extract max number of the index size
loop2:
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index afadae6682e..0782eaf4913 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -148,6 +148,7 @@ void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs)
#define VM_FAULT_BADACCESS 0x020000
#define ESR_WRITE (1 << 6)
+#define ESR_CM (1 << 8)
#define ESR_LNX_EXEC (1 << 24)
/*
@@ -206,7 +207,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
struct task_struct *tsk;
struct mm_struct *mm;
int fault, sig, code;
- int write = esr & ESR_WRITE;
+ bool write = (esr & ESR_WRITE) && !(esr & ESR_CM);
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
(write ? FAULT_FLAG_WRITE : 0);
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index f1d8b9bbfda..a82ae886807 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -119,8 +119,7 @@ ENTRY(__cpu_setup)
mov x0, #3 << 20
msr cpacr_el1, x0 // Enable FP/ASIMD
- mov x0, #1
- msr oslar_el1, x0 // Set the debug OS lock
+ msr mdscr_el1, xzr // Reset mdscr_el1
tlbi vmalle1is // invalidate I + D TLBs
/*
* Memory region attributes for LPAE:
diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
index 0421498d666..97918204f79 100644
--- a/arch/avr32/configs/favr-32_defconfig
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -122,7 +122,6 @@ CONFIG_USB_G_SERIAL=m
CONFIG_USB_CDC_COMPOSITE=m
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=m
diff --git a/arch/avr32/configs/merisc_defconfig b/arch/avr32/configs/merisc_defconfig
index 3befab96682..65de4431108 100644
--- a/arch/avr32/configs/merisc_defconfig
+++ b/arch/avr32/configs/merisc_defconfig
@@ -102,7 +102,6 @@ CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=y
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index d2bf1fd5e44..76acbcd5c06 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -106,16 +106,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
{
- register unsigned long r8 __asm ("r8");
+ register unsigned long r8 __asm ("r8") = 0;
unsigned long prev;
__asm__ __volatile__(
" mf;; \n"
- " mov %0=r0 \n"
" mov ar.ccv=%4;; \n"
"[1:] cmpxchg4.acq %1=[%2],%3,ar.ccv \n"
" .xdata4 \"__ex_table\", 1b-., 2f-. \n"
"[2:]"
- : "=r" (r8), "=r" (prev)
+ : "+r" (r8), "=&r" (prev)
: "r" (uaddr), "r" (newval),
"rO" ((long) (unsigned) oldval)
: "memory");
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index 43f96ab18fa..8c709616871 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -143,6 +143,7 @@ extern unsigned long __per_cpu_mca[NR_CPUS];
extern int cpe_vector;
extern int ia64_cpe_irq;
extern void ia64_mca_init(void);
+extern void ia64_mca_irq_init(void);
extern void ia64_mca_cpu_init(void *);
extern void ia64_os_mca_dispatch(void);
extern void ia64_os_mca_dispatch_end(void);
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index ad69606613e..f2c41828113 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -23,6 +23,8 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
+#include <asm/mca.h>
+
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -83,6 +85,12 @@ bool is_affinity_mask_valid(const struct cpumask *cpumask)
#endif /* CONFIG_SMP */
+int __init arch_early_irq_init(void)
+{
+ ia64_mca_irq_init();
+ return 0;
+}
+
#ifdef CONFIG_HOTPLUG_CPU
unsigned int vectors_in_migration[NR_IRQS];
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 65bf9cd3904..d7396dbb07b 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -2074,22 +2074,16 @@ ia64_mca_init(void)
printk(KERN_INFO "MCA related initialization done\n");
}
+
/*
- * ia64_mca_late_init
- *
- * Opportunity to setup things that require initialization later
- * than ia64_mca_init. Setup a timer to poll for CPEs if the
- * platform doesn't support an interrupt driven mechanism.
- *
- * Inputs : None
- * Outputs : Status
+ * These pieces cannot be done in ia64_mca_init() because it is called before
+ * early_irq_init() which would wipe out our percpu irq registrations. But we
+ * cannot leave them until ia64_mca_late_init() because by then all the other
+ * processors have been brought online and have set their own CMC vectors to
+ * point at a non-existant action. Called from arch_early_irq_init().
*/
-static int __init
-ia64_mca_late_init(void)
+void __init ia64_mca_irq_init(void)
{
- if (!mca_init)
- return 0;
-
/*
* Configure the CMCI/P vector and handler. Interrupts for CMC are
* per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
@@ -2108,6 +2102,23 @@ ia64_mca_late_init(void)
/* Setup the CPEI/P handler */
register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
#endif
+}
+
+/*
+ * ia64_mca_late_init
+ *
+ * Opportunity to setup things that require initialization later
+ * than ia64_mca_init. Setup a timer to poll for CPEs if the
+ * platform doesn't support an interrupt driven mechanism.
+ *
+ * Inputs : None
+ * Outputs : Status
+ */
+static int __init
+ia64_mca_late_init(void)
+{
+ if (!mca_init)
+ return 0;
register_hotcpu_notifier(&mca_cpu_notifier);
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 4332f7ee520..a7869f8f49a 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -256,7 +256,7 @@ u64 guest_vhpt_lookup(u64 iha, u64 *pte)
"srlz.d;;"
"ssm psr.i;;"
"srlz.d;;"
- : "=r"(ret) : "r"(iha), "r"(pte):"memory");
+ : "=&r"(ret) : "r"(iha), "r"(pte) : "memory");
return ret;
}
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 113e2820650..197690068f8 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -23,26 +23,21 @@ NM = sh $(srctree)/arch/parisc/nm
CHECKFLAGS += -D__hppa__=1
LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-MACHINE := $(shell uname -m)
-ifeq ($(MACHINE),parisc*)
-NATIVE := 1
-endif
-
ifdef CONFIG_64BIT
UTS_MACHINE := parisc64
CHECKFLAGS += -D__LP64__=1 -m64
-WIDTH := 64
+CC_ARCHES = hppa64
else # 32-bit
-WIDTH :=
+CC_ARCHES = hppa hppa2.0 hppa1.1
endif
-# attempt to help out folks who are cross-compiling
-ifeq ($(NATIVE),1)
-CROSS_COMPILE := hppa$(WIDTH)-linux-
-else
- ifeq ($(CROSS_COMPILE),)
- CROSS_COMPILE := hppa$(WIDTH)-linux-gnu-
- endif
+ifneq ($(SUBARCH),$(UTS_MACHINE))
+ ifeq ($(CROSS_COMPILE),)
+ CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
+ CROSS_COMPILE := $(call cc-cross-prefix, \
+ $(foreach a,$(CC_ARCHES), \
+ $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
+ endif
endif
OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index f33201bf897..897bce412c5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -444,9 +444,41 @@
L2_ptep \pgd,\pte,\index,\va,\fault
.endm
+ /* Acquire pa_dbit_lock lock. */
+ .macro dbit_lock spc,tmp,tmp1
+#ifdef CONFIG_SMP
+ cmpib,COND(=),n 0,\spc,2f
+ load32 PA(pa_dbit_lock),\tmp
+1: LDCW 0(\tmp),\tmp1
+ cmpib,COND(=) 0,\tmp1,1b
+ nop
+2:
+#endif
+ .endm
+
+ /* Release pa_dbit_lock lock without reloading lock address. */
+ .macro dbit_unlock0 spc,tmp
+#ifdef CONFIG_SMP
+ or,COND(=) %r0,\spc,%r0
+ stw \spc,0(\tmp)
+#endif
+ .endm
+
+ /* Release pa_dbit_lock lock. */
+ .macro dbit_unlock1 spc,tmp
+#ifdef CONFIG_SMP
+ load32 PA(pa_dbit_lock),\tmp
+ dbit_unlock0 \spc,\tmp
+#endif
+ .endm
+
/* Set the _PAGE_ACCESSED bit of the PTE. Be clever and
* don't needlessly dirty the cache line if it was already set */
- .macro update_ptep ptep,pte,tmp,tmp1
+ .macro update_ptep spc,ptep,pte,tmp,tmp1
+#ifdef CONFIG_SMP
+ or,COND(=) %r0,\spc,%r0
+ LDREG 0(\ptep),\pte
+#endif
ldi _PAGE_ACCESSED,\tmp1
or \tmp1,\pte,\tmp
and,COND(<>) \tmp1,\pte,%r0
@@ -455,7 +487,11 @@
/* Set the dirty bit (and accessed bit). No need to be
* clever, this is only used from the dirty fault */
- .macro update_dirty ptep,pte,tmp
+ .macro update_dirty spc,ptep,pte,tmp
+#ifdef CONFIG_SMP
+ or,COND(=) %r0,\spc,%r0
+ LDREG 0(\ptep),\pte
+#endif
ldi _PAGE_ACCESSED|_PAGE_DIRTY,\tmp
or \tmp,\pte,\pte
STREG \pte,0(\ptep)
@@ -825,11 +861,6 @@ ENTRY(syscall_exit_rfi)
STREG %r19,PT_SR7(%r16)
intr_return:
- /* NOTE: Need to enable interrupts incase we schedule. */
- ssm PSW_SM_I, %r0
-
-intr_check_resched:
-
/* check for reschedule */
mfctl %cr30,%r1
LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_NEED_RESCHED */
@@ -856,6 +887,11 @@ intr_check_sig:
LDREG PT_IASQ1(%r16), %r20
cmpib,COND(=),n 0,%r20,intr_restore /* backward */
+ /* NOTE: We need to enable interrupts if we have to deliver
+ * signals. We used to do this earlier but it caused kernel
+ * stack overflows. */
+ ssm PSW_SM_I, %r0
+
copy %r0, %r25 /* long in_syscall = 0 */
#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
@@ -907,6 +943,10 @@ intr_do_resched:
cmpib,COND(=) 0, %r20, intr_do_preempt
nop
+ /* NOTE: We need to enable interrupts if we schedule. We used
+ * to do this earlier but it caused kernel stack overflows. */
+ ssm PSW_SM_I, %r0
+
#ifdef CONFIG_64BIT
ldo -16(%r30),%r29 /* Reference param save area */
#endif
@@ -1099,11 +1139,13 @@ dtlb_miss_20w:
L3_ptep ptp,pte,t0,va,dtlb_check_alias_20w
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
idtlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1123,11 +1165,13 @@ nadtlb_miss_20w:
L3_ptep ptp,pte,t0,va,nadtlb_check_alias_20w
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
idtlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1149,7 +1193,8 @@ dtlb_miss_11:
L2_ptep ptp,pte,t0,va,dtlb_check_alias_11
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1160,6 +1205,7 @@ dtlb_miss_11:
idtlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1180,7 +1226,8 @@ nadtlb_miss_11:
L2_ptep ptp,pte,t0,va,nadtlb_check_alias_11
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1192,6 +1239,7 @@ nadtlb_miss_11:
idtlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1212,13 +1260,15 @@ dtlb_miss_20:
L2_ptep ptp,pte,t0,va,dtlb_check_alias_20
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
f_extend pte,t0
idtlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1238,13 +1288,15 @@ nadtlb_miss_20:
L2_ptep ptp,pte,t0,va,nadtlb_check_alias_20
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
f_extend pte,t0
idtlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1345,11 +1397,13 @@ itlb_miss_20w:
L3_ptep ptp,pte,t0,va,itlb_fault
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
iitlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1367,11 +1421,13 @@ naitlb_miss_20w:
L3_ptep ptp,pte,t0,va,naitlb_check_alias_20w
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
iitlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1393,7 +1449,8 @@ itlb_miss_11:
L2_ptep ptp,pte,t0,va,itlb_fault
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1404,6 +1461,7 @@ itlb_miss_11:
iitlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1415,7 +1473,8 @@ naitlb_miss_11:
L2_ptep ptp,pte,t0,va,naitlb_check_alias_11
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1426,6 +1485,7 @@ naitlb_miss_11:
iitlbp prot,(%sr1,va)
mtsp t0, %sr1 /* Restore sr1 */
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1447,13 +1507,15 @@ itlb_miss_20:
L2_ptep ptp,pte,t0,va,itlb_fault
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
f_extend pte,t0
iitlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1465,13 +1527,15 @@ naitlb_miss_20:
L2_ptep ptp,pte,t0,va,naitlb_check_alias_20
- update_ptep ptp,pte,t0,t1
+ dbit_lock spc,t0,t1
+ update_ptep spc,ptp,pte,t0,t1
make_insert_tlb spc,pte,prot
f_extend pte,t0
iitlbt pte,prot
+ dbit_unlock1 spc,t0
rfir
nop
@@ -1495,29 +1559,13 @@ dbit_trap_20w:
L3_ptep ptp,pte,t0,va,dbit_fault
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nolock_20w
- load32 PA(pa_dbit_lock),t0
-
-dbit_spin_20w:
- LDCW 0(t0),t1
- cmpib,COND(=) 0,t1,dbit_spin_20w
- nop
-
-dbit_nolock_20w:
-#endif
- update_dirty ptp,pte,t1
+ dbit_lock spc,t0,t1
+ update_dirty spc,ptp,pte,t1
make_insert_tlb spc,pte,prot
idtlbt pte,prot
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nounlock_20w
- ldi 1,t1
- stw t1,0(t0)
-
-dbit_nounlock_20w:
-#endif
+ dbit_unlock0 spc,t0
rfir
nop
@@ -1531,18 +1579,8 @@ dbit_trap_11:
L2_ptep ptp,pte,t0,va,dbit_fault
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nolock_11
- load32 PA(pa_dbit_lock),t0
-
-dbit_spin_11:
- LDCW 0(t0),t1
- cmpib,= 0,t1,dbit_spin_11
- nop
-
-dbit_nolock_11:
-#endif
- update_dirty ptp,pte,t1
+ dbit_lock spc,t0,t1
+ update_dirty spc,ptp,pte,t1
make_insert_tlb_11 spc,pte,prot
@@ -1553,13 +1591,7 @@ dbit_nolock_11:
idtlbp prot,(%sr1,va)
mtsp t1, %sr1 /* Restore sr1 */
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nounlock_11
- ldi 1,t1
- stw t1,0(t0)
-
-dbit_nounlock_11:
-#endif
+ dbit_unlock0 spc,t0
rfir
nop
@@ -1571,32 +1603,15 @@ dbit_trap_20:
L2_ptep ptp,pte,t0,va,dbit_fault
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nolock_20
- load32 PA(pa_dbit_lock),t0
-
-dbit_spin_20:
- LDCW 0(t0),t1
- cmpib,= 0,t1,dbit_spin_20
- nop
-
-dbit_nolock_20:
-#endif
- update_dirty ptp,pte,t1
+ dbit_lock spc,t0,t1
+ update_dirty spc,ptp,pte,t1
make_insert_tlb spc,pte,prot
f_extend pte,t1
idtlbt pte,prot
-
-#ifdef CONFIG_SMP
- cmpib,COND(=),n 0,spc,dbit_nounlock_20
- ldi 1,t1
- stw t1,0(t0)
-
-dbit_nounlock_20:
-#endif
+ dbit_unlock0 spc,t0
rfir
nop
@@ -1694,7 +1709,8 @@ ENTRY(sys_\name\()_wrapper)
ldo TASK_REGS(%r1),%r1
reg_save %r1
mfctl %cr27, %r28
- b sys_\name
+ ldil L%sys_\name, %r31
+ be R%sys_\name(%sr4,%r31)
STREG %r28, PT_CR27(%r1)
ENDPROC(sys_\name\()_wrapper)
.endm
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 8752bc8e34a..8cbc6e54e4c 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -113,6 +113,10 @@
#define PPC_INST_MFSPR_DSCR_MASK 0xfc1fffff
#define PPC_INST_MTSPR_DSCR 0x7c1103a6
#define PPC_INST_MTSPR_DSCR_MASK 0xfc1fffff
+#define PPC_INST_MFSPR_DSCR_USER 0x7c0302a6
+#define PPC_INST_MFSPR_DSCR_USER_MASK 0xfc1fffff
+#define PPC_INST_MTSPR_DSCR_USER 0x7c0303a6
+#define PPC_INST_MTSPR_DSCR_USER_MASK 0xfc1fffff
#define PPC_INST_SLBFEE 0x7c0007a7
#define PPC_INST_STRING 0x7c00042a
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index aef00c67590..ee38f29ef3e 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -262,6 +262,8 @@ extern void rtas_progress(char *s, unsigned short hex);
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_online_cpus_mask(cpumask_var_t cpus);
+extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
extern int rtas_ibm_suspend_me(struct rtas_args *);
struct rtc_time;
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index ea847abb0d0..116700886b3 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -66,6 +66,7 @@ _GLOBAL(__restore_cpu_power8)
bl __init_FSCR
mfmsr r3
rldicl. r0,r3,4,63
+ mtlr r11
beqlr
li r0,0
mtspr SPRN_LPID,r0
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 56bd92362ce..3bbe7edf639 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -797,7 +797,7 @@ hardware_interrupt_relon_hv:
_MASKABLE_RELON_EXCEPTION_PSERIES(0x502, hardware_interrupt, EXC_HV, SOFTEN_TEST_HV)
FTR_SECTION_ELSE
_MASKABLE_RELON_EXCEPTION_PSERIES(0x500, hardware_interrupt, EXC_STD, SOFTEN_TEST_PR)
- ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_206)
+ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
STD_RELON_EXCEPTION_PSERIES(0x4600, 0x600, alignment)
STD_RELON_EXCEPTION_PSERIES(0x4700, 0x700, program_check)
STD_RELON_EXCEPTION_PSERIES(0x4800, 0x800, fp_unavailable)
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 0886ae6dd5b..b61363d557b 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -509,6 +509,7 @@ _GLOBAL(copy_and_flush)
sync
addi r5,r5,8
addi r6,r6,8
+ isync
blr
.align 8
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 466a2908bb6..611acdf3009 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -17,6 +17,7 @@
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/cpu.h>
+#include <linux/hardirq.h>
#include <asm/page.h>
#include <asm/current.h>
@@ -335,10 +336,13 @@ void default_machine_kexec(struct kimage *image)
pr_debug("kexec: Starting switchover sequence.\n");
/* switch to a staticly allocated stack. Based on irq stack code.
+ * We setup preempt_count to avoid using VMX in memcpy.
* XXX: the task struct will likely be invalid once we do the copy!
*/
kexec_stack.thread_info.task = current_thread_info()->task;
kexec_stack.thread_info.flags = 0;
+ kexec_stack.thread_info.preempt_count = HARDIRQ_OFFSET;
+ kexec_stack.thread_info.cpu = current_thread_info()->cpu;
/* We need a static PACA, too; copy this CPU's PACA over and switch to
* it. Also poison per_cpu_offset to catch anyone using non-static
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 1fd6e7b2f39..52add6f3e20 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/capability.h>
#include <linux/delay.h>
+#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
@@ -807,6 +808,95 @@ static void rtas_percpu_suspend_me(void *info)
__rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
}
+enum rtas_cpu_state {
+ DOWN,
+ UP,
+};
+
+#ifndef CONFIG_SMP
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ if (!cpumask_empty(cpus)) {
+ cpumask_clear(cpus);
+ return -EINVAL;
+ } else
+ return 0;
+}
+#else
+/* On return cpumask will be altered to indicate CPUs changed.
+ * CPUs with states changed will be set in the mask,
+ * CPUs with status unchanged will be unset in the mask. */
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ int cpu;
+ int cpuret = 0;
+ int ret = 0;
+
+ if (cpumask_empty(cpus))
+ return 0;
+
+ for_each_cpu(cpu, cpus) {
+ switch (state) {
+ case DOWN:
+ cpuret = cpu_down(cpu);
+ break;
+ case UP:
+ cpuret = cpu_up(cpu);
+ break;
+ }
+ if (cpuret) {
+ pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
+ __func__,
+ ((state == UP) ? "up" : "down"),
+ cpu, cpuret);
+ if (!ret)
+ ret = cpuret;
+ if (state == UP) {
+ /* clear bits for unchanged cpus, return */
+ cpumask_shift_right(cpus, cpus, cpu);
+ cpumask_shift_left(cpus, cpus, cpu);
+ break;
+ } else {
+ /* clear bit for unchanged cpu, continue */
+ cpumask_clear_cpu(cpu, cpus);
+ }
+ }
+ }
+
+ return ret;
+}
+#endif
+
+int rtas_online_cpus_mask(cpumask_var_t cpus)
+{
+ int ret;
+
+ ret = rtas_cpu_state_change_mask(UP, cpus);
+
+ if (ret) {
+ cpumask_var_t tmp_mask;
+
+ if (!alloc_cpumask_var(&tmp_mask, GFP_TEMPORARY))
+ return ret;
+
+ /* Use tmp_mask to preserve cpus mask from first failure */
+ cpumask_copy(tmp_mask, cpus);
+ rtas_offline_cpus_mask(tmp_mask);
+ free_cpumask_var(tmp_mask);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(rtas_online_cpus_mask);
+
+int rtas_offline_cpus_mask(cpumask_var_t cpus)
+{
+ return rtas_cpu_state_change_mask(DOWN, cpus);
+}
+EXPORT_SYMBOL(rtas_offline_cpus_mask);
+
int rtas_ibm_suspend_me(struct rtas_args *args)
{
long state;
@@ -814,6 +904,8 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
struct rtas_suspend_me_data data;
DECLARE_COMPLETION_ONSTACK(done);
+ cpumask_var_t offline_mask;
+ int cpuret;
if (!rtas_service_present("ibm,suspend-me"))
return -ENOSYS;
@@ -837,11 +929,24 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
return 0;
}
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
atomic_set(&data.working, 0);
atomic_set(&data.done, 0);
atomic_set(&data.error, 0);
data.token = rtas_token("ibm,suspend-me");
data.complete = &done;
+
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
+ cpuret = rtas_online_cpus_mask(offline_mask);
+ if (cpuret) {
+ pr_err("%s: Could not bring present CPUs online.\n", __func__);
+ atomic_set(&data.error, cpuret);
+ goto out;
+ }
+
stop_topology_update();
/* Call function on all CPUs. One of us will make the
@@ -857,6 +962,14 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
start_topology_update();
+ /* Take down CPUs not online prior to suspend */
+ cpuret = rtas_offline_cpus_mask(offline_mask);
+ if (cpuret)
+ pr_warn("%s: Could not restore CPUs to offline state.\n",
+ __func__);
+
+out:
+ free_cpumask_var(offline_mask);
return atomic_read(&data.error);
}
#else /* CONFIG_PPC_PSERIES */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 37cc40ef504..83efa2f7d92 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -970,7 +970,10 @@ static int emulate_instruction(struct pt_regs *regs)
#ifdef CONFIG_PPC64
/* Emulate the mfspr rD, DSCR. */
- if (((instword & PPC_INST_MFSPR_DSCR_MASK) == PPC_INST_MFSPR_DSCR) &&
+ if ((((instword & PPC_INST_MFSPR_DSCR_USER_MASK) ==
+ PPC_INST_MFSPR_DSCR_USER) ||
+ ((instword & PPC_INST_MFSPR_DSCR_MASK) ==
+ PPC_INST_MFSPR_DSCR)) &&
cpu_has_feature(CPU_FTR_DSCR)) {
PPC_WARN_EMULATED(mfdscr, regs);
rd = (instword >> 21) & 0x1f;
@@ -978,7 +981,10 @@ static int emulate_instruction(struct pt_regs *regs)
return 0;
}
/* Emulate the mtspr DSCR, rD. */
- if (((instword & PPC_INST_MTSPR_DSCR_MASK) == PPC_INST_MTSPR_DSCR) &&
+ if ((((instword & PPC_INST_MTSPR_DSCR_USER_MASK) ==
+ PPC_INST_MTSPR_DSCR_USER) ||
+ ((instword & PPC_INST_MTSPR_DSCR_MASK) ==
+ PPC_INST_MTSPR_DSCR)) &&
cpu_has_feature(CPU_FTR_DSCR)) {
PPC_WARN_EMULATED(mtdscr, regs);
rd = (instword >> 21) & 0x1f;
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index f410c3e12c1..b75c52ff42c 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1191,6 +1191,7 @@ void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize, int ssize,
* unmapping it first, it may see the speculated version.
*/
if (local && cpu_has_feature(CPU_FTR_TM) &&
+ current->thread.regs &&
MSR_TM_ACTIVE(current->thread.regs->msr)) {
tm_enable();
tm_abort(TM_CAUSE_TLBI);
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index bba87ca2b4d..6a252c468d6 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -201,7 +201,7 @@ int __node_distance(int a, int b)
int distance = LOCAL_DISTANCE;
if (!form1_affinity)
- return distance;
+ return ((a == b) ? LOCAL_DISTANCE : REMOTE_DISTANCE);
for (i = 0; i < distance_ref_points_depth; i++) {
if (distance_lookup_table[a][i] == distance_lookup_table[b][i])
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 3f3bb4cdbbe..35f77a42bed 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -99,6 +99,7 @@ spufs_new_inode(struct super_block *sb, umode_t mode)
if (!inode)
goto out;
+ inode->i_ino = get_next_ino();
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 47226e04126..5f997e79d57 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/stat.h>
@@ -126,11 +127,15 @@ static ssize_t store_hibernate(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ cpumask_var_t offline_mask;
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
stream_id = simple_strtoul(buf, NULL, 16);
do {
@@ -140,15 +145,32 @@ static ssize_t store_hibernate(struct device *dev,
} while (rc == -EAGAIN);
if (!rc) {
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask,
+ cpu_online_mask);
+ rc = rtas_online_cpus_mask(offline_mask);
+ if (rc) {
+ pr_err("%s: Could not bring present CPUs online.\n",
+ __func__);
+ goto out;
+ }
+
stop_topology_update();
rc = pm_suspend(PM_SUSPEND_MEM);
start_topology_update();
+
+ /* Take down CPUs not online prior to suspend */
+ if (!rtas_offline_cpus_mask(offline_mask))
+ pr_warn("%s: Could not restore CPUs to offline "
+ "state.\n", __func__);
}
stream_id = 0;
if (!rc)
rc = count;
+out:
+ free_cpumask_var(offline_mask);
return rc;
}
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 25877aebc68..41a2a0becc1 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -368,11 +368,17 @@ config HARDWALL
config KERNEL_PL
int "Processor protection level for kernel"
range 1 2
- default "1"
+ default 2 if TILEGX
+ default 1 if !TILEGX
---help---
- This setting determines the processor protection level the
- kernel will be built to run at. Generally you should use
- the default value here.
+ Since MDE 4.2, the Tilera hypervisor runs the kernel
+ at PL2 by default. If running under an older hypervisor,
+ or as a KVM guest, you must run at PL1. (The current
+ hypervisor may also be recompiled with "make HV_PL=2" to
+ allow it to run a kernel at PL1, but clients running at PL1
+ are not expected to be supported indefinitely.)
+
+ If you're not sure, don't change the default.
source "arch/tile/gxio/Kconfig"
diff --git a/arch/tile/include/hv/hypervisor.h b/arch/tile/include/hv/hypervisor.h
index ccd847e2347..837dca5328c 100644
--- a/arch/tile/include/hv/hypervisor.h
+++ b/arch/tile/include/hv/hypervisor.h
@@ -107,7 +107,22 @@
#define HV_DISPATCH_ENTRY_SIZE 32
/** Version of the hypervisor interface defined by this file */
-#define _HV_VERSION 11
+#define _HV_VERSION 13
+
+/** Last version of the hypervisor interface with old hv_init() ABI.
+ *
+ * The change from version 12 to version 13 corresponds to launching
+ * the client by default at PL2 instead of PL1 (corresponding to the
+ * hv itself running at PL3 instead of PL2). To make this explicit,
+ * the hv_init() API was also extended so the client can report its
+ * desired PL, resulting in a more helpful failure diagnostic. If you
+ * call hv_init() with _HV_VERSION_OLD_HV_INIT and omit the client_pl
+ * argument, the hypervisor will assume client_pl = 1.
+ *
+ * Note that this is a deprecated solution and we do not expect to
+ * support clients of the Tilera hypervisor running at PL1 indefinitely.
+ */
+#define _HV_VERSION_OLD_HV_INIT 12
/* Index into hypervisor interface dispatch code blocks.
*
@@ -377,7 +392,11 @@ typedef int HV_Errno;
#ifndef __ASSEMBLER__
/** Pass HV_VERSION to hv_init to request this version of the interface. */
-typedef enum { HV_VERSION = _HV_VERSION } HV_VersionNumber;
+typedef enum {
+ HV_VERSION = _HV_VERSION,
+ HV_VERSION_OLD_HV_INIT = _HV_VERSION_OLD_HV_INIT,
+
+} HV_VersionNumber;
/** Initializes the hypervisor.
*
@@ -385,9 +404,11 @@ typedef enum { HV_VERSION = _HV_VERSION } HV_VersionNumber;
* that this program expects, typically HV_VERSION.
* @param chip_num Architecture number of the chip the client was built for.
* @param chip_rev_num Revision number of the chip the client was built for.
+ * @param client_pl Privilege level the client is built for
+ * (not required if interface_version_number == HV_VERSION_OLD_HV_INIT).
*/
void hv_init(HV_VersionNumber interface_version_number,
- int chip_num, int chip_rev_num);
+ int chip_num, int chip_rev_num, int client_pl);
/** Queries we can make for hv_sysconf().
diff --git a/arch/tile/kernel/head_32.S b/arch/tile/kernel/head_32.S
index f71bfeeaf1a..ac115307e5e 100644
--- a/arch/tile/kernel/head_32.S
+++ b/arch/tile/kernel/head_32.S
@@ -38,7 +38,7 @@ ENTRY(_start)
movei r2, TILE_CHIP_REV
}
{
- moveli r0, _HV_VERSION
+ moveli r0, _HV_VERSION_OLD_HV_INIT
jal hv_init
}
/* Get a reasonable default ASID in r0 */
diff --git a/arch/tile/kernel/head_64.S b/arch/tile/kernel/head_64.S
index f9a2734f7b8..6093964fa5c 100644
--- a/arch/tile/kernel/head_64.S
+++ b/arch/tile/kernel/head_64.S
@@ -34,13 +34,19 @@
ENTRY(_start)
/* Notify the hypervisor of what version of the API we want */
{
+#if KERNEL_PL == 1 && _HV_VERSION == 13
+ /* Support older hypervisors by asking for API version 12. */
+ movei r0, _HV_VERSION_OLD_HV_INIT
+#else
+ movei r0, _HV_VERSION
+#endif
movei r1, TILE_CHIP
- movei r2, TILE_CHIP_REV
}
{
- moveli r0, _HV_VERSION
- jal hv_init
+ movei r2, TILE_CHIP_REV
+ movei r3, KERNEL_PL
}
+ jal hv_init
/* Get a reasonable default ASID in r0 */
{
move r0, zero
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 15b5cef4aa3..6ef2a378e3a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -107,7 +107,6 @@ config X86
select GENERIC_CLOCKEVENTS_BROADCAST if X86_64 || (X86_32 && X86_LOCAL_APIC)
select GENERIC_TIME_VSYSCALL if X86_64
select KTIME_SCALAR if X86_32
- select ALWAYS_USE_PERSISTENT_CLOCK
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select HAVE_CONTEXT_TRACKING if X86_64
diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
index cf1a7ec4cc3..a59c64311d4 100644
--- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
@@ -42,6 +42,7 @@
* SOFTWARE.
*/
+#include <asm/inst.h>
#include <linux/linkage.h>
## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction
@@ -225,10 +226,10 @@ LABEL crc_ %i
movdqa (bufp), %xmm0 # 2 consts: K1:K2
movq crc_init, %xmm1 # CRC for block 1
- pclmulqdq $0x00,%xmm0,%xmm1 # Multiply by K2
+ PCLMULQDQ 0x00,%xmm0,%xmm1 # Multiply by K2
movq crc1, %xmm2 # CRC for block 2
- pclmulqdq $0x10, %xmm0, %xmm2 # Multiply by K1
+ PCLMULQDQ 0x10, %xmm0, %xmm2 # Multiply by K1
pxor %xmm2,%xmm1
movq %xmm1, %rax
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 6cf0a9cc60c..5a0be0af46c 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -37,8 +37,8 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *);
unsigned long sys_sigreturn(void);
/* kernel/vm86_32.c */
-int sys_vm86old(struct vm86_struct __user *);
-int sys_vm86(unsigned long, unsigned long);
+asmlinkage long sys_vm86old(struct vm86_struct __user *);
+asmlinkage long sys_vm86(unsigned long, unsigned long);
#else /* CONFIG_X86_32 */
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index cc45deb791b..4a0a462d5e9 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -125,10 +125,15 @@ static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
- INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
- INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
- INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
- INTEL_EVENT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
+ /*
+ * Errata BV98 -- MEM_*_RETIRED events can leak between counters of SMT
+ * siblings; disable these events because they can corrupt unrelated
+ * counters.
+ */
+ INTEL_EVENT_CONSTRAINT(0xd0, 0x0), /* MEM_UOPS_RETIRED.* */
+ INTEL_EVENT_CONSTRAINT(0xd1, 0x0), /* MEM_LOAD_UOPS_RETIRED.* */
+ INTEL_EVENT_CONSTRAINT(0xd2, 0x0), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
+ INTEL_EVENT_CONSTRAINT(0xd3, 0x0), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
EVENT_CONSTRAINT_END
};
diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
index da02e9cc375..d978353c939 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
@@ -310,7 +310,7 @@ void intel_pmu_lbr_read(void)
* - in case there is no HW filter
* - in case the HW filter has errata or limitations
*/
-static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
+static int intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
{
u64 br_type = event->attr.branch_sample_type;
int mask = 0;
@@ -318,8 +318,11 @@ static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
if (br_type & PERF_SAMPLE_BRANCH_USER)
mask |= X86_BR_USER;
- if (br_type & PERF_SAMPLE_BRANCH_KERNEL)
+ if (br_type & PERF_SAMPLE_BRANCH_KERNEL) {
+ if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN))
+ return -EACCES;
mask |= X86_BR_KERNEL;
+ }
/* we ignore BRANCH_HV here */
@@ -339,6 +342,8 @@ static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
* be used by fixup code for some CPU
*/
event->hw.branch_reg.reg = mask;
+
+ return 0;
}
/*
@@ -386,7 +391,9 @@ int intel_pmu_setup_lbr_filter(struct perf_event *event)
/*
* setup SW LBR filter
*/
- intel_pmu_setup_sw_lbr_filter(event);
+ ret = intel_pmu_setup_sw_lbr_filter(event);
+ if (ret)
+ return ret;
/*
* setup HW LBR filter, if any
@@ -442,8 +449,18 @@ static int branch_type(unsigned long from, unsigned long to)
return X86_BR_NONE;
addr = buf;
- } else
- addr = (void *)from;
+ } else {
+ /*
+ * The LBR logs any address in the IP, even if the IP just
+ * faulted. This means userspace can control the from address.
+ * Ensure we don't blindy read any address by validating it is
+ * a known text address.
+ */
+ if (kernel_text_address(from))
+ addr = (void *)from;
+ else
+ return X86_BR_NONE;
+ }
/*
* decoder needs to know the ABI especially
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index b43200dbfe7..3e091f04487 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2428,7 +2428,7 @@ static void __init uncore_types_exit(struct intel_uncore_type **types)
static int __init uncore_type_init(struct intel_uncore_type *type)
{
struct intel_uncore_pmu *pmus;
- struct attribute_group *events_group;
+ struct attribute_group *attr_group;
struct attribute **attrs;
int i, j;
@@ -2455,19 +2455,19 @@ static int __init uncore_type_init(struct intel_uncore_type *type)
while (type->event_descs[i].attr.attr.name)
i++;
- events_group = kzalloc(sizeof(struct attribute *) * (i + 1) +
- sizeof(*events_group), GFP_KERNEL);
- if (!events_group)
+ attr_group = kzalloc(sizeof(struct attribute *) * (i + 1) +
+ sizeof(*attr_group), GFP_KERNEL);
+ if (!attr_group)
goto fail;
- attrs = (struct attribute **)(events_group + 1);
- events_group->name = "events";
- events_group->attrs = attrs;
+ attrs = (struct attribute **)(attr_group + 1);
+ attr_group->name = "events";
+ attr_group->attrs = attrs;
for (j = 0; j < i; j++)
attrs[j] = &type->event_descs[j].attr.attr;
- type->events_group = events_group;
+ type->events_group = attr_group;
}
type->pmu_group = &uncore_pmu_attr_group;
@@ -2853,6 +2853,7 @@ static int __init uncore_cpu_init(void)
msr_uncores = nhm_msr_uncores;
break;
case 42: /* Sandy Bridge */
+ case 58: /* Ivy Bridge */
if (snb_uncore_cbox.num_boxes > max_cores)
snb_uncore_cbox.num_boxes = max_cores;
msr_uncores = snb_msr_uncores;
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index c5e403f6d86..8f3201d59b1 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -34,6 +34,7 @@
extern pgd_t early_level4_pgt[PTRS_PER_PGD];
extern pmd_t early_dynamic_pgts[EARLY_DYNAMIC_PAGE_TABLES][PTRS_PER_PMD];
static unsigned int __initdata next_early_pgt = 2;
+pmdval_t early_pmd_flags = __PAGE_KERNEL_LARGE & ~(_PAGE_GLOBAL | _PAGE_NX);
/* Wipe all early page tables except for the kernel symbol map */
static void __init reset_early_page_tables(void)
@@ -99,7 +100,7 @@ again:
pmd_p[i] = 0;
*pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
}
- pmd = (physaddr & PMD_MASK) + (__PAGE_KERNEL_LARGE & ~_PAGE_GLOBAL);
+ pmd = (physaddr & PMD_MASK) + early_pmd_flags;
pmd_p[pmd_index(address)] = pmd;
return 0;
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 6859e962644..08f7e803909 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -200,6 +200,7 @@ ENTRY(secondary_startup_64)
btl $20,%edi /* No Execute supported? */
jnc 1f
btsl $_EFER_NX, %eax
+ btsq $_PAGE_BIT_NX,early_pmd_flags(%rip)
1: wrmsr /* Make changes effective */
/* Setup cr0 */
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index e4595f10591..84b778962c6 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -165,10 +165,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
u64 arch_irq_stat(void)
{
u64 sum = atomic_read(&irq_err_count);
-
-#ifdef CONFIG_X86_IO_APIC
- sum += atomic_read(&irq_mis_count);
-#endif
return sum;
}
diff --git a/arch/x86/kernel/microcode_intel_early.c b/arch/x86/kernel/microcode_intel_early.c
index d893e8ed8ac..2e9e12871c2 100644
--- a/arch/x86/kernel/microcode_intel_early.c
+++ b/arch/x86/kernel/microcode_intel_early.c
@@ -487,6 +487,7 @@ static inline void show_saved_mc(void)
#endif
#if defined(CONFIG_MICROCODE_INTEL_EARLY) && defined(CONFIG_HOTPLUG_CPU)
+static DEFINE_MUTEX(x86_cpu_microcode_mutex);
/*
* Save this mc into mc_saved_data. So it will be loaded early when a CPU is
* hot added or resumes.
@@ -507,7 +508,7 @@ int save_mc_for_early(u8 *mc)
* Hold hotplug lock so mc_saved_data is not accessed by a CPU in
* hotplug.
*/
- cpu_hotplug_driver_lock();
+ mutex_lock(&x86_cpu_microcode_mutex);
mc_saved_count_init = mc_saved_data.mc_saved_count;
mc_saved_count = mc_saved_data.mc_saved_count;
@@ -544,7 +545,7 @@ int save_mc_for_early(u8 *mc)
}
out:
- cpu_hotplug_driver_unlock();
+ mutex_unlock(&x86_cpu_microcode_mutex);
return ret;
}
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index 1cf5766dde1..3dbdd9c839d 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -33,6 +33,7 @@
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
+#include <linux/syscalls.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/signal.h>
@@ -48,7 +49,6 @@
#include <asm/io.h>
#include <asm/tlbflush.h>
#include <asm/irq.h>
-#include <asm/syscalls.h>
/*
* Known problems:
@@ -202,17 +202,16 @@ out:
static int do_vm86_irq_handling(int subfunction, int irqnumber);
static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk);
-int sys_vm86old(struct vm86_struct __user *v86)
+SYSCALL_DEFINE1(vm86old, struct vm86_struct __user *, v86)
{
struct kernel_vm86_struct info; /* declare this _on top_,
* this avoids wasting of stack space.
* This remains on the stack until we
* return to 32 bit user space.
*/
- struct task_struct *tsk;
+ struct task_struct *tsk = current;
int tmp, ret = -EPERM;
- tsk = current;
if (tsk->thread.saved_sp0)
goto out;
tmp = copy_vm86_regs_from_user(&info.regs, &v86->regs,
@@ -227,11 +226,12 @@ int sys_vm86old(struct vm86_struct __user *v86)
do_sys_vm86(&info, tsk);
ret = 0; /* we never return here */
out:
+ asmlinkage_protect(1, ret, v86);
return ret;
}
-int sys_vm86(unsigned long cmd, unsigned long arg)
+SYSCALL_DEFINE2(vm86, unsigned long, cmd, unsigned long, arg)
{
struct kernel_vm86_struct info; /* declare this _on top_,
* this avoids wasting of stack space.
@@ -278,6 +278,7 @@ int sys_vm86(unsigned long cmd, unsigned long arg)
do_sys_vm86(&info, tsk);
ret = 0; /* we never return here */
out:
+ asmlinkage_protect(2, ret, cmd, arg);
return ret;
}
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a335cc6cde7..59622c9cc63 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -60,6 +60,7 @@
#define OpGS 25ull /* GS */
#define OpMem8 26ull /* 8-bit zero extended memory operand */
#define OpImm64 27ull /* Sign extended 16/32/64-bit immediate */
+#define OpXLat 28ull /* memory at BX/EBX/RBX + zero-extended AL */
#define OpBits 5 /* Width of operand field */
#define OpMask ((1ull << OpBits) - 1)
@@ -99,6 +100,7 @@
#define SrcImmUByte (OpImmUByte << SrcShift)
#define SrcImmU (OpImmU << SrcShift)
#define SrcSI (OpSI << SrcShift)
+#define SrcXLat (OpXLat << SrcShift)
#define SrcImmFAddr (OpImmFAddr << SrcShift)
#define SrcMemFAddr (OpMemFAddr << SrcShift)
#define SrcAcc (OpAcc << SrcShift)
@@ -532,6 +534,9 @@ FOP_SETCC(setle)
FOP_SETCC(setnle)
FOP_END;
+FOP_START(salc) "pushf; sbb %al, %al; popf \n\t" FOP_RET
+FOP_END;
+
#define __emulate_1op_rax_rdx(ctxt, _op, _suffix, _ex) \
do { \
unsigned long _tmp; \
@@ -2986,6 +2991,28 @@ static int em_das(struct x86_emulate_ctxt *ctxt)
return X86EMUL_CONTINUE;
}
+static int em_aam(struct x86_emulate_ctxt *ctxt)
+{
+ u8 al, ah;
+
+ if (ctxt->src.val == 0)
+ return emulate_de(ctxt);
+
+ al = ctxt->dst.val & 0xff;
+ ah = al / ctxt->src.val;
+ al %= ctxt->src.val;
+
+ ctxt->dst.val = (ctxt->dst.val & 0xffff0000) | al | (ah << 8);
+
+ /* Set PF, ZF, SF */
+ ctxt->src.type = OP_IMM;
+ ctxt->src.val = 0;
+ ctxt->src.bytes = 1;
+ fastop(ctxt, em_or);
+
+ return X86EMUL_CONTINUE;
+}
+
static int em_aad(struct x86_emulate_ctxt *ctxt)
{
u8 al = ctxt->dst.val & 0xff;
@@ -3926,7 +3953,10 @@ static const struct opcode opcode_table[256] = {
/* 0xD0 - 0xD7 */
G(Src2One | ByteOp, group2), G(Src2One, group2),
G(Src2CL | ByteOp, group2), G(Src2CL, group2),
- N, I(DstAcc | SrcImmByte | No64, em_aad), N, N,
+ I(DstAcc | SrcImmUByte | No64, em_aam),
+ I(DstAcc | SrcImmUByte | No64, em_aad),
+ F(DstAcc | ByteOp | No64, em_salc),
+ I(DstAcc | SrcXLat | ByteOp, em_mov),
/* 0xD8 - 0xDF */
N, E(0, &escape_d9), N, E(0, &escape_db), N, E(0, &escape_dd), N, N,
/* 0xE0 - 0xE7 */
@@ -4162,6 +4192,10 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
break;
case OpMem8:
ctxt->memop.bytes = 1;
+ if (ctxt->memop.type == OP_REG) {
+ ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm, 1);
+ fetch_register_operand(&ctxt->memop);
+ }
goto mem_common;
case OpMem16:
ctxt->memop.bytes = 2;
@@ -4184,6 +4218,16 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
op->val = 0;
op->count = 1;
break;
+ case OpXLat:
+ op->type = OP_MEM;
+ op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes;
+ op->addr.mem.ea =
+ register_address(ctxt,
+ reg_read(ctxt, VCPU_REGS_RBX) +
+ (reg_read(ctxt, VCPU_REGS_RAX) & 0xff));
+ op->addr.mem.seg = seg_override(ctxt);
+ op->val = 0;
+ break;
case OpImmFAddr:
op->type = OP_IMM;
op->addr.mem.ea = ctxt->_eip;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6667042714c..0af18077012 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5197,6 +5197,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
return 0;
}
+ if (vcpu->arch.halt_request) {
+ vcpu->arch.halt_request = 0;
+ ret = kvm_emulate_halt(vcpu);
+ goto out;
+ }
+
if (signal_pending(current))
goto out;
if (need_resched())
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c8e1c7b95c3..cf95e192d05 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -156,6 +156,21 @@ static void xen_vcpu_setup(int cpu)
BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
+ /*
+ * This path is called twice on PVHVM - first during bootup via
+ * smp_init -> xen_hvm_cpu_notify, and then if the VCPU is being
+ * hotplugged: cpu_up -> xen_hvm_cpu_notify.
+ * As we can only do the VCPUOP_register_vcpu_info once lets
+ * not over-write its result.
+ *
+ * For PV it is called during restore (xen_vcpu_restore) and bootup
+ * (xen_setup_vcpu_info_placement). The hotplug mechanism does not
+ * use this function.
+ */
+ if (xen_hvm_domain()) {
+ if (per_cpu(xen_vcpu, cpu) == &per_cpu(xen_vcpu_info, cpu))
+ return;
+ }
if (cpu < MAX_VIRT_CPUS)
per_cpu(xen_vcpu,cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
@@ -1589,8 +1604,11 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
switch (action) {
case CPU_UP_PREPARE:
xen_vcpu_setup(cpu);
- if (xen_have_vector_callback)
+ if (xen_have_vector_callback) {
xen_init_lock_cpu(cpu);
+ if (xen_feature(XENFEAT_hvm_safe_pvclock))
+ xen_setup_timer(cpu);
+ }
break;
default:
break;
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 09ea61d2e02..22c800af180 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -662,6 +662,8 @@ static void xen_hvm_cpu_die(unsigned int cpu)
unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
+ xen_uninit_lock_cpu(cpu);
+ xen_teardown_timer(cpu);
native_cpu_die(cpu);
}
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 0296a952250..054cc01bb84 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -497,7 +497,11 @@ static void xen_hvm_setup_cpu_clockevents(void)
{
int cpu = smp_processor_id();
xen_setup_runstate_info(cpu);
- xen_setup_timer(cpu);
+ /*
+ * xen_setup_timer(cpu) - snprintf is bad in atomic context. Hence
+ * doing it xen_hvm_cpu_notify (which gets called by smp_init during
+ * early bootup and also during CPU hotplug events).
+ */
xen_setup_cpu_clockevents();
}
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index b2b9837f9dd..e8918ffaf96 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -972,10 +972,10 @@ int blkcg_activate_policy(struct request_queue *q,
if (!new_blkg)
return -ENOMEM;
- preloaded = !radix_tree_preload(GFP_KERNEL);
-
blk_queue_bypass_start(q);
+ preloaded = !radix_tree_preload(GFP_KERNEL);
+
/*
* Make sure the root blkg exists and count the existing blkgs. As
* @q is bypassing at this point, blkg_lookup_create() can't be
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index ec7f5690031..c84ee956fa4 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -720,7 +720,19 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
if ((obj_desc->common_field.start_field_bit_offset == 0) &&
(obj_desc->common_field.bit_length == access_bit_width)) {
- status = acpi_ex_field_datum_io(obj_desc, 0, buffer, ACPI_READ);
+ if (buffer_length >= sizeof(u64)) {
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, buffer,
+ ACPI_READ);
+ } else {
+ /* Use raw_datum (u64) to handle buffers < 64 bits */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, &raw_datum,
+ ACPI_READ);
+ ACPI_MEMCPY(buffer, &raw_datum, buffer_length);
+ }
+
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d45b2871d33..edc00818c80 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -223,7 +223,7 @@ static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
static int ec_poll(struct acpi_ec *ec)
{
unsigned long flags;
- int repeat = 2; /* number of command restarts */
+ int repeat = 5; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ec_delay);
@@ -241,8 +241,6 @@ static int ec_poll(struct acpi_ec *ec)
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->lock, flags);
start_transaction(ec);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 586e7e993d3..bcb7a3b905b 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -641,7 +641,7 @@ void __init acpi_initrd_override(void *data, size_t size)
* Both memblock_reserve and e820_add_region (via arch_reserve_mem_area)
* works fine.
*/
- memblock_reserve(acpi_tables_addr, acpi_tables_addr + all_tables_size);
+ memblock_reserve(acpi_tables_addr, all_tables_size);
arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
p = early_ioremap(acpi_tables_addr, all_tables_size);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 6ae5e440436..4241b8d844e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -201,8 +201,8 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root,
*control &= OSC_PCI_CONTROL_MASKS;
capbuf[OSC_CONTROL_TYPE] = *control | root->osc_control_set;
} else {
- /* Run _OSC query for all possible controls. */
- capbuf[OSC_CONTROL_TYPE] = OSC_PCI_CONTROL_MASKS;
+ /* Run _OSC query only with existing controls. */
+ capbuf[OSC_CONTROL_TYPE] = root->osc_control_set;
}
status = acpi_pci_run_osc(root->device->handle, capbuf, &result);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 8470771e5ea..a33821ca389 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -723,9 +723,19 @@ static int thermal_get_trend(struct thermal_zone_device *thermal,
return -EINVAL;
if (type == THERMAL_TRIP_ACTIVE) {
- /* aggressive active cooling */
- *trend = THERMAL_TREND_RAISING;
- return 0;
+ unsigned long trip_temp;
+ unsigned long temp = KELVIN_TO_MILLICELSIUS(tz->temperature,
+ tz->kelvin_offset);
+ if (thermal_get_trip_temp(thermal, trip, &trip_temp))
+ return -EINVAL;
+
+ if (temp > trip_temp) {
+ *trend = THERMAL_TREND_RAISING;
+ return 0;
+ } else {
+ /* Fall back on default trend */
+ return -EINVAL;
+ }
}
/*
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 8a52dab412e..3badf1887df 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -61,7 +61,8 @@ acpi_handle ata_ap_acpi_handle(struct ata_port *ap)
if (ap->flags & ATA_FLAG_ACPI_SATA)
return NULL;
- return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev), ap->port_no);
+ return ap->scsi_host ?
+ DEVICE_ACPI_HANDLE(&ap->scsi_host->shost_gendev) : NULL;
}
EXPORT_SYMBOL(ata_ap_acpi_handle);
@@ -240,28 +241,15 @@ void ata_acpi_dissociate(struct ata_host *host)
}
}
-/**
- * ata_acpi_gtm - execute _GTM
- * @ap: target ATA port
- * @gtm: out parameter for _GTM result
- *
- * Evaluate _GTM and store the result in @gtm.
- *
- * LOCKING:
- * EH context.
- *
- * RETURNS:
- * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure.
- */
-int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
+static int __ata_acpi_gtm(struct ata_port *ap, acpi_handle handle,
+ struct ata_acpi_gtm *gtm)
{
struct acpi_buffer output = { .length = ACPI_ALLOCATE_BUFFER };
union acpi_object *out_obj;
acpi_status status;
int rc = 0;
- status = acpi_evaluate_object(ata_ap_acpi_handle(ap), "_GTM", NULL,
- &output);
+ status = acpi_evaluate_object(handle, "_GTM", NULL, &output);
rc = -ENOENT;
if (status == AE_NOT_FOUND)
@@ -295,6 +283,27 @@ int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
return rc;
}
+/**
+ * ata_acpi_gtm - execute _GTM
+ * @ap: target ATA port
+ * @gtm: out parameter for _GTM result
+ *
+ * Evaluate _GTM and store the result in @gtm.
+ *
+ * LOCKING:
+ * EH context.
+ *
+ * RETURNS:
+ * 0 on success, -ENOENT if _GTM doesn't exist, -errno on failure.
+ */
+int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *gtm)
+{
+ if (ata_ap_acpi_handle(ap))
+ return __ata_acpi_gtm(ap, ata_ap_acpi_handle(ap), gtm);
+ else
+ return -EINVAL;
+}
+
EXPORT_SYMBOL_GPL(ata_acpi_gtm);
/**
@@ -1080,7 +1089,7 @@ static int ata_acpi_bind_host(struct ata_port *ap, acpi_handle *handle)
if (!*handle)
return -ENODEV;
- if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0)
+ if (__ata_acpi_gtm(ap, *handle, &ap->__acpi_init_gtm) == 0)
ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
return 0;
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index 5dba77ccaa0..b1a664a8f55 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -251,7 +251,7 @@ static const struct ata_port_info ahci_highbank_port_info = {
};
static struct scsi_host_template ahci_highbank_platform_sht = {
- AHCI_SHT("highbank-ahci"),
+ AHCI_SHT("sata_highbank"),
};
static const struct of_device_id ahci_of_match[] = {
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index e98da675f0c..54d03d4ab50 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2795,6 +2795,7 @@ void drbd_free_bc(struct drbd_backing_dev *ldev)
blkdev_put(ldev->backing_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
blkdev_put(ldev->md_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
+ kfree(ldev->disk_conf);
kfree(ldev);
}
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index a9eccfc6079..2f5fffd976c 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2661,7 +2661,6 @@ static int drbd_asb_recover_1p(struct drbd_conf *mdev) __must_hold(local)
if (hg == -1 && mdev->state.role == R_PRIMARY) {
enum drbd_state_rv rv2;
- drbd_set_role(mdev, R_SECONDARY, 0);
/* drbd_change_state() does not sleep while in SS_IN_TRANSIENT_STATE,
* we might be here in C_WF_REPORT_PARAMS which is transient.
* we do not need to wait for the after state change work either. */
@@ -4659,8 +4658,8 @@ static int drbd_do_features(struct drbd_tconn *tconn)
#if !defined(CONFIG_CRYPTO_HMAC) && !defined(CONFIG_CRYPTO_HMAC_MODULE)
static int drbd_do_auth(struct drbd_tconn *tconn)
{
- dev_err(DEV, "This kernel was build without CONFIG_CRYPTO_HMAC.\n");
- dev_err(DEV, "You need to disable 'cram-hmac-alg' in drbd.conf.\n");
+ conn_err(tconn, "This kernel was build without CONFIG_CRYPTO_HMAC.\n");
+ conn_err(tconn, "You need to disable 'cram-hmac-alg' in drbd.conf.\n");
return -1;
}
#else
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index cdd4c09fda9..a22a7a50274 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -95,9 +95,9 @@ struct si_sm_data {
enum bt_states state;
unsigned char seq; /* BT sequence number */
struct si_sm_io *io;
- unsigned char write_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char write_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int write_count;
- unsigned char read_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char read_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int read_count;
int truncated;
long timeout; /* microseconds countdown */
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 9eb360ff8ca..d5a5f020810 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -837,13 +837,25 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
return ipmi_ioctl(filep, cmd, arg);
}
}
+
+static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ mutex_lock(&ipmi_mutex);
+ ret = compat_ipmi_ioctl(filep, cmd, arg);
+ mutex_unlock(&ipmi_mutex);
+
+ return ret;
+}
#endif
static const struct file_operations ipmi_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = ipmi_unlocked_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = compat_ipmi_ioctl,
+ .compat_ioctl = unlocked_compat_ipmi_ioctl,
#endif
.open = ipmi_open,
.release = ipmi_release,
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 0d2e82f9557..7c3b3dcbfbc 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1337,7 +1337,7 @@ int tpm_pm_suspend(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
struct tpm_cmd_t cmd;
- int rc;
+ int rc, try;
u8 dummy_hash[TPM_DIGEST_SIZE] = { 0 };
@@ -1355,9 +1355,32 @@ int tpm_pm_suspend(struct device *dev)
}
/* now do the actual savestate */
- cmd.header.in = savestate_header;
- rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE,
- "sending savestate before suspend");
+ for (try = 0; try < TPM_RETRY; try++) {
+ cmd.header.in = savestate_header;
+ rc = transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);
+
+ /*
+ * If the TPM indicates that it is too busy to respond to
+ * this command then retry before giving up. It can take
+ * several seconds for this TPM to be ready.
+ *
+ * This can happen if the TPM has already been sent the
+ * SaveState command before the driver has loaded. TCG 1.2
+ * specification states that any communication after SaveState
+ * may cause the TPM to invalidate previously saved state.
+ */
+ if (rc != TPM_WARN_RETRY)
+ break;
+ msleep(TPM_TIMEOUT_RETRY);
+ }
+
+ if (rc)
+ dev_err(chip->dev,
+ "Error (%d) sending savestate before suspend\n", rc);
+ else if (try > 0)
+ dev_warn(chip->dev, "TPM savestate took %dms\n",
+ try * TPM_TIMEOUT_RETRY);
+
return rc;
}
EXPORT_SYMBOL_GPL(tpm_pm_suspend);
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 81b52015f66..0770d1d7936 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -32,10 +32,12 @@ enum tpm_const {
TPM_MINOR = 224, /* officially assigned */
TPM_BUFSIZE = 4096,
TPM_NUM_DEVICES = 256,
+ TPM_RETRY = 50, /* 5 seconds */
};
enum tpm_timeout {
TPM_TIMEOUT = 5, /* msecs */
+ TPM_TIMEOUT_RETRY = 100 /* msecs */
};
/* TPM addresses */
@@ -44,6 +46,7 @@ enum tpm_addr {
TPM_ADDR = 0x4E,
};
+#define TPM_WARN_RETRY 0x800
#define TPM_WARN_DOING_SELFTEST 0x802
#define TPM_ERR_DEACTIVATED 0x6
#define TPM_ERR_DISABLED 0x7
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 6133ef5cf67..d8a8c9bfd4f 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -48,12 +48,7 @@ static inline int32_t div_fp(int32_t x, int32_t y)
}
struct sample {
- ktime_t start_time;
- ktime_t end_time;
int core_pct_busy;
- int pstate_pct_busy;
- u64 duration_us;
- u64 idletime_us;
u64 aperf;
u64 mperf;
int freq;
@@ -91,8 +86,6 @@ struct cpudata {
int min_pstate_count;
int idle_mode;
- ktime_t prev_sample;
- u64 prev_idle_time_us;
u64 prev_aperf;
u64 prev_mperf;
int sample_ptr;
@@ -124,6 +117,8 @@ struct perf_limits {
int min_perf_pct;
int32_t max_perf;
int32_t min_perf;
+ int max_policy_pct;
+ int max_sysfs_pct;
};
static struct perf_limits limits = {
@@ -132,6 +127,8 @@ static struct perf_limits limits = {
.max_perf = int_tofp(1),
.min_perf_pct = 0,
.min_perf = 0,
+ .max_policy_pct = 100,
+ .max_sysfs_pct = 100,
};
static inline void pid_reset(struct _pid *pid, int setpoint, int busy,
@@ -302,7 +299,8 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
if (ret != 1)
return -EINVAL;
- limits.max_perf_pct = clamp_t(int, input, 0 , 100);
+ limits.max_sysfs_pct = clamp_t(int, input, 0 , 100);
+ limits.max_perf_pct = min(limits.max_policy_pct, limits.max_sysfs_pct);
limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100));
return count;
}
@@ -450,48 +448,26 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu,
struct sample *sample)
{
u64 core_pct;
- sample->pstate_pct_busy = 100 - div64_u64(
- sample->idletime_us * 100,
- sample->duration_us);
core_pct = div64_u64(sample->aperf * 100, sample->mperf);
sample->freq = cpu->pstate.max_pstate * core_pct * 1000;
- sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct),
- 100);
+ sample->core_pct_busy = core_pct;
}
static inline void intel_pstate_sample(struct cpudata *cpu)
{
- ktime_t now;
- u64 idle_time_us;
u64 aperf, mperf;
- now = ktime_get();
- idle_time_us = get_cpu_idle_time_us(cpu->cpu, NULL);
-
rdmsrl(MSR_IA32_APERF, aperf);
rdmsrl(MSR_IA32_MPERF, mperf);
- /* for the first sample, don't actually record a sample, just
- * set the baseline */
- if (cpu->prev_idle_time_us > 0) {
- cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT;
- cpu->samples[cpu->sample_ptr].start_time = cpu->prev_sample;
- cpu->samples[cpu->sample_ptr].end_time = now;
- cpu->samples[cpu->sample_ptr].duration_us =
- ktime_us_delta(now, cpu->prev_sample);
- cpu->samples[cpu->sample_ptr].idletime_us =
- idle_time_us - cpu->prev_idle_time_us;
-
- cpu->samples[cpu->sample_ptr].aperf = aperf;
- cpu->samples[cpu->sample_ptr].mperf = mperf;
- cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf;
- cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf;
-
- intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]);
- }
+ cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT;
+ cpu->samples[cpu->sample_ptr].aperf = aperf;
+ cpu->samples[cpu->sample_ptr].mperf = mperf;
+ cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf;
+ cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf;
+
+ intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]);
- cpu->prev_sample = now;
- cpu->prev_idle_time_us = idle_time_us;
cpu->prev_aperf = aperf;
cpu->prev_mperf = mperf;
}
@@ -575,22 +551,16 @@ static void intel_pstate_timer_func(unsigned long __data)
struct cpudata *cpu = (struct cpudata *) __data;
intel_pstate_sample(cpu);
+ intel_pstate_adjust_busy_pstate(cpu);
- if (!cpu->idle_mode)
- intel_pstate_adjust_busy_pstate(cpu);
- else
- intel_pstate_adjust_idle_pstate(cpu);
-
-#if defined(XPERF_FIX)
if (cpu->pstate.current_pstate == cpu->pstate.min_pstate) {
cpu->min_pstate_count++;
if (!(cpu->min_pstate_count % 5)) {
intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
- intel_pstate_idle_mode(cpu);
}
} else
cpu->min_pstate_count = 0;
-#endif
+
intel_pstate_set_sample_time(cpu);
}
@@ -670,8 +640,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
limits.min_perf_pct = clamp_t(int, limits.min_perf_pct, 0 , 100);
limits.min_perf = div_fp(int_tofp(limits.min_perf_pct), int_tofp(100));
- limits.max_perf_pct = policy->max * 100 / policy->cpuinfo.max_freq;
- limits.max_perf_pct = clamp_t(int, limits.max_perf_pct, 0 , 100);
+ limits.max_policy_pct = policy->max * 100 / policy->cpuinfo.max_freq;
+ limits.max_policy_pct = clamp_t(int, limits.max_policy_pct, 0 , 100);
+ limits.max_perf_pct = min(limits.max_policy_pct, limits.max_sysfs_pct);
limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100));
if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index 69d04d28b1e..09c7ad13031 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -93,6 +93,7 @@ int of_dma_controller_register(struct device_node *np,
{
struct of_dma *ofdma;
int nbcells;
+ const __be32 *prop;
if (!np || !of_dma_xlate) {
pr_err("%s: not enough information provided\n", __func__);
@@ -103,8 +104,11 @@ int of_dma_controller_register(struct device_node *np,
if (!ofdma)
return -ENOMEM;
- nbcells = be32_to_cpup(of_get_property(np, "#dma-cells", NULL));
- if (!nbcells) {
+ prop = of_get_property(np, "#dma-cells", NULL);
+ if (prop)
+ nbcells = be32_to_cpup(prop);
+
+ if (!prop || !nbcells) {
pr_err("%s: #dma-cells property is missing or invalid\n",
__func__);
kfree(ofdma);
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index d01faeb0f27..ce3dc3e9688 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -476,7 +476,7 @@ static struct pch_dma_desc *pdc_desc_get(struct pch_dma_chan *pd_chan)
dev_dbg(chan2dev(&pd_chan->chan), "scanned %d descriptors\n", i);
if (!ret) {
- ret = pdc_alloc_desc(&pd_chan->chan, GFP_NOIO);
+ ret = pdc_alloc_desc(&pd_chan->chan, GFP_ATOMIC);
if (ret) {
spin_lock(&pd_chan->lock);
pd_chan->descs_allocated++;
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 5899a76eec3..769d92ec573 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -327,17 +327,17 @@ static struct device_attribute *dynamic_csrow_dimm_attr[] = {
};
/* possible dynamic channel ce_count attribute files */
-DEVICE_CHANNEL(ch0_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch0_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 0);
-DEVICE_CHANNEL(ch1_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch1_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 1);
-DEVICE_CHANNEL(ch2_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch2_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 2);
-DEVICE_CHANNEL(ch3_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch3_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 3);
-DEVICE_CHANNEL(ch4_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch4_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 4);
-DEVICE_CHANNEL(ch5_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch5_ce_count, S_IRUGO,
channel_ce_count_show, NULL, 5);
/* Total possible dynamic ce_count attribute file table */
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 528429252f0..02e52d543e4 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -241,6 +241,8 @@ struct ast_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};
#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 34931fe7d2c..fbc0823cfa1 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -53,16 +53,52 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
int bpp = (afbdev->afb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;
obj = afbdev->afb.obj;
bo = gem_to_ast_bo(obj);
+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = ast_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&afbdev->dirty_lock, flags);
+
+ if (afbdev->y1 < y)
+ y = afbdev->y1;
+ if (afbdev->y2 > y2)
+ y2 = afbdev->y2;
+ if (afbdev->x1 < x)
+ x = afbdev->x1;
+ if (afbdev->x2 > x2)
+ x2 = afbdev->x2;
+
+ if (store_for_later) {
+ afbdev->x1 = x;
+ afbdev->x2 = x2;
+ afbdev->y1 = y;
+ afbdev->y2 = y2;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}
+ afbdev->x1 = afbdev->y1 = INT_MAX;
+ afbdev->x2 = afbdev->y2 = 0;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -72,10 +108,10 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
}
unmap = true;
}
- for (i = y; i < y + height; i++) {
+ for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * afbdev->afb.base.pitches[0] + (x * bpp);
- memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, width * bpp);
+ memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, (x2 - x + 1) * bpp);
}
if (unmap)
@@ -292,6 +328,7 @@ int ast_fbdev_init(struct drm_device *dev)
ast->fbdev = afbdev;
afbdev->helper.funcs = &ast_fb_helper_funcs;
+ spin_lock_init(&afbdev->dirty_lock);
ret = drm_fb_helper_init(dev, &afbdev->helper,
1, 1);
if (ret) {
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 3602731a611..09da3393c52 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -316,7 +316,7 @@ int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h
index 6e0cc724e5a..7ca05959688 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.h
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.h
@@ -154,6 +154,8 @@ struct cirrus_fbdev {
struct list_head fbdev_list;
void *sysram;
int size;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};
struct cirrus_bo {
diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index e25afccaf85..3541b567bbd 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -27,16 +27,51 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev,
int bpp = (afbdev->gfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;
obj = afbdev->gfb.obj;
bo = gem_to_cirrus_bo(obj);
+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = cirrus_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&afbdev->dirty_lock, flags);
+
+ if (afbdev->y1 < y)
+ y = afbdev->y1;
+ if (afbdev->y2 > y2)
+ y2 = afbdev->y2;
+ if (afbdev->x1 < x)
+ x = afbdev->x1;
+ if (afbdev->x2 > x2)
+ x2 = afbdev->x2;
+
+ if (store_for_later) {
+ afbdev->x1 = x;
+ afbdev->x2 = x2;
+ afbdev->y1 = y;
+ afbdev->y2 = y2;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}
+ afbdev->x1 = afbdev->y1 = INT_MAX;
+ afbdev->x2 = afbdev->y2 = 0;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -268,6 +303,7 @@ int cirrus_fbdev_init(struct cirrus_device *cdev)
cdev->mode_info.gfbdev = gfbdev;
gfbdev->helper.funcs = &cirrus_fb_helper_funcs;
+ spin_lock_init(&gfbdev->dirty_lock);
ret = drm_fb_helper_init(cdev->dev, &gfbdev->helper,
cdev->num_crtc, CIRRUSFB_CONN_LIMIT);
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c
index 1413a26e490..2ed8cfc740c 100644
--- a/drivers/gpu/drm/cirrus/cirrus_ttm.c
+++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c
@@ -321,7 +321,7 @@ int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index dd64a06dc5b..016c5d8b466 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -78,6 +78,10 @@ void drm_warn_on_modeset_not_all_locked(struct drm_device *dev)
{
struct drm_crtc *crtc;
+ /* Locking is currently fubar in the panic handler. */
+ if (oops_in_progress)
+ return;
+
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
WARN_ON(!mutex_is_locked(&crtc->mutex));
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index af779ae19eb..cf919e36e8a 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -205,11 +205,11 @@ static void
drm_gem_remove_prime_handles(struct drm_gem_object *obj, struct drm_file *filp)
{
if (obj->import_attach) {
- drm_prime_remove_imported_buf_handle(&filp->prime,
+ drm_prime_remove_buf_handle(&filp->prime,
obj->import_attach->dmabuf);
}
if (obj->export_dma_buf) {
- drm_prime_remove_imported_buf_handle(&filp->prime,
+ drm_prime_remove_buf_handle(&filp->prime,
obj->export_dma_buf);
}
}
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index db1e2d6f90d..07cf99cc886 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -755,33 +755,35 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
EXPORT_SYMBOL(drm_mm_debug_table);
#if defined(CONFIG_DEBUG_FS)
-int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
+static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
{
- struct drm_mm_node *entry;
- unsigned long total_used = 0, total_free = 0, total = 0;
unsigned long hole_start, hole_end, hole_size;
- hole_start = drm_mm_hole_node_start(&mm->head_node);
- hole_end = drm_mm_hole_node_end(&mm->head_node);
- hole_size = hole_end - hole_start;
- if (hole_size)
+ if (entry->hole_follows) {
+ hole_start = drm_mm_hole_node_start(entry);
+ hole_end = drm_mm_hole_node_end(entry);
+ hole_size = hole_end - hole_start;
seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
hole_start, hole_end, hole_size);
- total_free += hole_size;
+ return hole_size;
+ }
+
+ return 0;
+}
+
+int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
+{
+ struct drm_mm_node *entry;
+ unsigned long total_used = 0, total_free = 0, total = 0;
+
+ total_free += drm_mm_dump_hole(m, &mm->head_node);
drm_mm_for_each_node(entry, mm) {
seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n",
entry->start, entry->start + entry->size,
entry->size);
total_used += entry->size;
- if (entry->hole_follows) {
- hole_start = drm_mm_hole_node_start(entry);
- hole_end = drm_mm_hole_node_end(entry);
- hole_size = hole_end - hole_start;
- seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
- hole_start, hole_end, hole_size);
- total_free += hole_size;
- }
+ total_free += drm_mm_dump_hole(m, entry);
}
total = total_free + total_used;
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 366910ddcfc..db767cae5f2 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -62,6 +62,7 @@ struct drm_prime_member {
struct dma_buf *dma_buf;
uint32_t handle;
};
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
enum dma_data_direction dir)
@@ -200,7 +201,8 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
{
struct drm_gem_object *obj;
void *buf;
- int ret;
+ int ret = 0;
+ struct dma_buf *dmabuf;
obj = drm_gem_object_lookup(dev, file_priv, handle);
if (!obj)
@@ -209,43 +211,44 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
mutex_lock(&file_priv->prime.lock);
/* re-export the original imported object */
if (obj->import_attach) {
- get_dma_buf(obj->import_attach->dmabuf);
- *prime_fd = dma_buf_fd(obj->import_attach->dmabuf, flags);
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return 0;
+ dmabuf = obj->import_attach->dmabuf;
+ goto out_have_obj;
}
if (obj->export_dma_buf) {
- get_dma_buf(obj->export_dma_buf);
- *prime_fd = dma_buf_fd(obj->export_dma_buf, flags);
- drm_gem_object_unreference_unlocked(obj);
- } else {
- buf = dev->driver->gem_prime_export(dev, obj, flags);
- if (IS_ERR(buf)) {
- /* normally the created dma-buf takes ownership of the ref,
- * but if that fails then drop the ref
- */
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return PTR_ERR(buf);
- }
- obj->export_dma_buf = buf;
- *prime_fd = dma_buf_fd(buf, flags);
+ dmabuf = obj->export_dma_buf;
+ goto out_have_obj;
}
+
+ buf = dev->driver->gem_prime_export(dev, obj, flags);
+ if (IS_ERR(buf)) {
+ /* normally the created dma-buf takes ownership of the ref,
+ * but if that fails then drop the ref
+ */
+ ret = PTR_ERR(buf);
+ goto out;
+ }
+ obj->export_dma_buf = buf;
+
/* if we've exported this buffer the cheat and add it to the import list
* so we get the correct handle back
*/
- ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
- obj->export_dma_buf, handle);
- if (ret) {
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return ret;
- }
+ ret = drm_prime_add_buf_handle(&file_priv->prime,
+ obj->export_dma_buf, handle);
+ if (ret)
+ goto out;
+ *prime_fd = dma_buf_fd(buf, flags);
mutex_unlock(&file_priv->prime.lock);
return 0;
+
+out_have_obj:
+ get_dma_buf(dmabuf);
+ *prime_fd = dma_buf_fd(dmabuf, flags);
+out:
+ drm_gem_object_unreference_unlocked(obj);
+ mutex_unlock(&file_priv->prime.lock);
+ return ret;
}
EXPORT_SYMBOL(drm_gem_prime_handle_to_fd);
@@ -268,7 +271,6 @@ struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
* refcount on gem itself instead of f_count of dmabuf.
*/
drm_gem_object_reference(obj);
- dma_buf_put(dma_buf);
return obj;
}
}
@@ -277,6 +279,8 @@ struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
if (IS_ERR(attach))
return ERR_PTR(PTR_ERR(attach));
+ get_dma_buf(dma_buf);
+
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
if (IS_ERR_OR_NULL(sgt)) {
ret = PTR_ERR(sgt);
@@ -297,6 +301,8 @@ fail_unmap:
dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
fail_detach:
dma_buf_detach(dma_buf, attach);
+ dma_buf_put(dma_buf);
+
return ERR_PTR(ret);
}
EXPORT_SYMBOL(drm_gem_prime_import);
@@ -314,7 +320,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
mutex_lock(&file_priv->prime.lock);
- ret = drm_prime_lookup_imported_buf_handle(&file_priv->prime,
+ ret = drm_prime_lookup_buf_handle(&file_priv->prime,
dma_buf, handle);
if (!ret) {
ret = 0;
@@ -333,12 +339,15 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
if (ret)
goto out_put;
- ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
+ ret = drm_prime_add_buf_handle(&file_priv->prime,
dma_buf, *handle);
if (ret)
goto fail;
mutex_unlock(&file_priv->prime.lock);
+
+ dma_buf_put(dma_buf);
+
return 0;
fail:
@@ -491,7 +500,7 @@ void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv)
}
EXPORT_SYMBOL(drm_prime_destroy_file_private);
-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
{
struct drm_prime_member *member;
@@ -499,14 +508,14 @@ int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv
if (!member)
return -ENOMEM;
+ get_dma_buf(dma_buf);
member->dma_buf = dma_buf;
member->handle = handle;
list_add(&member->entry, &prime_fpriv->head);
return 0;
}
-EXPORT_SYMBOL(drm_prime_add_imported_buf_handle);
-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
{
struct drm_prime_member *member;
@@ -518,19 +527,20 @@ int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fp
}
return -ENOENT;
}
-EXPORT_SYMBOL(drm_prime_lookup_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_lookup_buf_handle);
-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
{
struct drm_prime_member *member, *safe;
mutex_lock(&prime_fpriv->lock);
list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) {
if (member->dma_buf == dma_buf) {
+ dma_buf_put(dma_buf);
list_del(&member->entry);
kfree(member);
}
}
mutex_unlock(&prime_fpriv->lock);
}
-EXPORT_SYMBOL(drm_prime_remove_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_remove_buf_handle);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index ba0a3aa7854..ff7f2a886a3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -235,7 +235,6 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev,
* refcount on gem itself instead of f_count of dmabuf.
*/
drm_gem_object_reference(obj);
- dma_buf_put(dma_buf);
return obj;
}
}
@@ -244,6 +243,7 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev,
if (IS_ERR(attach))
return ERR_PTR(-EINVAL);
+ get_dma_buf(dma_buf);
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
if (IS_ERR_OR_NULL(sgt)) {
@@ -298,6 +298,8 @@ err_unmap_attach:
dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
err_buf_detach:
dma_buf_detach(dma_buf, attach);
+ dma_buf_put(dma_buf);
+
return ERR_PTR(ret);
}
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 8652cdf3f03..029eccf3013 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -211,7 +211,7 @@ irqreturn_t psb_irq_handler(DRM_IRQ_ARGS)
vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);
- if (vdc_stat & _PSB_PIPE_EVENT_FLAG)
+ if (vdc_stat & (_PSB_PIPE_EVENT_FLAG|_PSB_IRQ_ASLE))
dsp_int = 1;
/* FIXME: Handle Medfield
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 01769e2a995..ef99b1c22fc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -941,6 +941,7 @@ typedef struct drm_i915_private {
unsigned int int_crt_support:1;
unsigned int lvds_use_ssc:1;
unsigned int display_clock_mode:1;
+ unsigned int fdi_rx_polarity_inverted:1;
int lvds_ssc_freq;
unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
struct {
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0e207e6e0df..73cb479a488 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2678,17 +2678,35 @@ static inline int fence_number(struct drm_i915_private *dev_priv,
return fence - dev_priv->fence_regs;
}
+static void i915_gem_write_fence__ipi(void *data)
+{
+ wbinvd();
+}
+
static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj,
struct drm_i915_fence_reg *fence,
bool enable)
{
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- int reg = fence_number(dev_priv, fence);
-
- i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL);
+ struct drm_device *dev = obj->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int fence_reg = fence_number(dev_priv, fence);
+
+ /* In order to fully serialize access to the fenced region and
+ * the update to the fence register we need to take extreme
+ * measures on SNB+. In theory, the write to the fence register
+ * flushes all memory transactions before, and coupled with the
+ * mb() placed around the register write we serialise all memory
+ * operations with respect to the changes in the tiler. Yet, on
+ * SNB+ we need to take a step further and emit an explicit wbinvd()
+ * on each processor in order to manually flush all memory
+ * transactions before updating the fence register.
+ */
+ if (HAS_LLC(obj->base.dev))
+ on_each_cpu(i915_gem_write_fence__ipi, NULL, 1);
+ i915_gem_write_fence(dev, fence_reg, enable ? obj : NULL);
if (enable) {
- obj->fence_reg = reg;
+ obj->fence_reg = fence_reg;
fence->obj = obj;
list_move_tail(&fence->lru_list, &dev_priv->mm.fence_list);
} else {
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 94d873a6cff..a1e8ecb6adf 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -152,6 +152,13 @@ create_hw_context(struct drm_device *dev,
return ERR_PTR(-ENOMEM);
}
+ if (INTEL_INFO(dev)->gen >= 7) {
+ ret = i915_gem_object_set_cache_level(ctx->obj,
+ I915_CACHE_LLC_MLC);
+ if (ret)
+ goto err_out;
+ }
+
/* The ring associated with the context object is handled by the normal
* object tracking code. We give an initial ring value simple to pass an
* assertion in the context switch code.
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 6a5af682862..c303de1034c 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -271,7 +271,6 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
* refcount on gem itself instead of f_count of dmabuf.
*/
drm_gem_object_reference(&obj->base);
- dma_buf_put(dma_buf);
return &obj->base;
}
}
@@ -281,6 +280,8 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
if (IS_ERR(attach))
return ERR_CAST(attach);
+ get_dma_buf(dma_buf);
+
obj = i915_gem_object_alloc(dev);
if (obj == NULL) {
ret = -ENOMEM;
@@ -300,5 +301,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
fail_detach:
dma_buf_detach(dma_buf, attach);
+ dma_buf_put(dma_buf);
+
return ERR_PTR(ret);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 926a1e2dd23..193c8d1088e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -182,8 +182,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
/* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024
* entries. For aliasing ppgtt support we just steal them at the end for
* now. */
- first_pd_entry_in_global_pt =
- gtt_total_entries(dev_priv->gtt) - I915_PPGTT_PD_ENTRIES;
+ first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt);
ppgtt->num_pd_entries = I915_PPGTT_PD_ENTRIES;
ppgtt->clear_range = gen6_ppgtt_clear_range;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 848992f67d5..c91124f925d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3827,7 +3827,7 @@
#define _TRANSB_CHICKEN2 0xf1064
#define TRANS_CHICKEN2(pipe) _PIPE(pipe, _TRANSA_CHICKEN2, _TRANSB_CHICKEN2)
#define TRANS_CHICKEN2_TIMING_OVERRIDE (1<<31)
-
+#define TRANS_CHICKEN2_FDI_POLARITY_REVERSED (1<<29)
#define SOUTH_CHICKEN1 0xc2000
#define FDIA_PHASE_SYNC_SHIFT_OVR 19
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 55ffba1f581..bd833918c49 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -351,12 +351,14 @@ parse_general_features(struct drm_i915_private *dev_priv,
dev_priv->lvds_ssc_freq =
intel_bios_ssc_frequency(dev, general->ssc_freq);
dev_priv->display_clock_mode = general->display_clock_mode;
- DRM_DEBUG_KMS("BDB_GENERAL_FEATURES int_tv_support %d int_crt_support %d lvds_use_ssc %d lvds_ssc_freq %d display_clock_mode %d\n",
+ dev_priv->fdi_rx_polarity_inverted = general->fdi_rx_polarity_inverted;
+ DRM_DEBUG_KMS("BDB_GENERAL_FEATURES int_tv_support %d int_crt_support %d lvds_use_ssc %d lvds_ssc_freq %d display_clock_mode %d fdi_rx_polarity_inverted %d\n",
dev_priv->int_tv_support,
dev_priv->int_crt_support,
dev_priv->lvds_use_ssc,
dev_priv->lvds_ssc_freq,
- dev_priv->display_clock_mode);
+ dev_priv->display_clock_mode,
+ dev_priv->fdi_rx_polarity_inverted);
}
}
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index 36e57f93437..e088d6f0956 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -127,7 +127,9 @@ struct bdb_general_features {
/* bits 3 */
u8 disable_smooth_vision:1;
u8 single_dvi:1;
- u8 rsvd9:6; /* finish byte */
+ u8 rsvd9:1;
+ u8 fdi_rx_polarity_inverted:1;
+ u8 rsvd10:4; /* finish byte */
/* bits 4 */
u8 legacy_monitor_detect;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b20d50192fc..c2d173a6c52 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7589,22 +7589,25 @@ intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes,
if (crtc->enabled)
*prepare_pipes |= 1 << intel_crtc->pipe;
- /* We only support modeset on one single crtc, hence we need to do that
- * only for the passed in crtc iff we change anything else than just
- * disable crtcs.
- *
- * This is actually not true, to be fully compatible with the old crtc
- * helper we automatically disable _any_ output (i.e. doesn't need to be
- * connected to the crtc we're modesetting on) if it's disconnected.
- * Which is a rather nutty api (since changed the output configuration
- * without userspace's explicit request can lead to confusion), but
- * alas. Hence we currently need to modeset on all pipes we prepare. */
+ /*
+ * For simplicity do a full modeset on any pipe where the output routing
+ * changed. We could be more clever, but that would require us to be
+ * more careful with calling the relevant encoder->mode_set functions.
+ */
if (*prepare_pipes)
*modeset_pipes = *prepare_pipes;
/* ... and mask these out. */
*modeset_pipes &= ~(*disable_pipes);
*prepare_pipes &= ~(*disable_pipes);
+
+ /*
+ * HACK: We don't (yet) fully support global modesets. intel_set_config
+ * obies this rule, but the modeset restore mode of
+ * intel_modeset_setup_hw_state does not.
+ */
+ *modeset_pipes &= 1 << intel_crtc->pipe;
+ *prepare_pipes &= 1 << intel_crtc->pipe;
}
static bool intel_crtc_in_use(struct drm_crtc *crtc)
@@ -7771,9 +7774,9 @@ intel_modeset_check_state(struct drm_device *dev)
}
}
-int intel_set_mode(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- int x, int y, struct drm_framebuffer *fb)
+static int __intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
{
struct drm_device *dev = crtc->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -7863,8 +7866,6 @@ done:
if (ret && crtc->enabled) {
crtc->hwmode = *saved_hwmode;
crtc->mode = *saved_mode;
- } else {
- intel_modeset_check_state(dev);
}
out:
@@ -7872,6 +7873,20 @@ out:
return ret;
}
+int intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
+{
+ int ret;
+
+ ret = __intel_set_mode(crtc, mode, x, y, fb);
+
+ if (ret == 0)
+ intel_modeset_check_state(crtc->dev);
+
+ return ret;
+}
+
void intel_crtc_restore_mode(struct drm_crtc *crtc)
{
intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb);
@@ -8314,7 +8329,7 @@ static void intel_setup_outputs(struct drm_device *dev)
I915_WRITE(PFIT_CONTROL, 0);
}
- if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
+ if (!IS_ULT(dev))
intel_crt_init(dev);
if (HAS_DDI(dev)) {
@@ -9172,8 +9187,16 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
}
if (force_restore) {
+ /*
+ * We need to use raw interfaces for restoring state to avoid
+ * checking (bogus) intermediate states.
+ */
for_each_pipe(pipe) {
- intel_crtc_restore_mode(dev_priv->pipe_to_crtc_mapping[pipe]);
+ struct drm_crtc *crtc =
+ dev_priv->pipe_to_crtc_mapping[pipe];
+
+ __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
+ crtc->fb);
}
i915_redisable_vga(dev);
@@ -9236,6 +9259,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
/* flush any delayed tasks or pending work */
flush_scheduled_work();
+ /* destroy backlight, if any, before the connectors */
+ intel_panel_destroy_backlight(dev);
+
drm_mode_config_cleanup(dev);
intel_cleanup_overlay(dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8fc93f90a7c..b8e17e56401 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2538,17 +2538,14 @@ done:
static void
intel_dp_destroy(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_connector *intel_connector = to_intel_connector(connector);
if (!IS_ERR_OR_NULL(intel_connector->edid))
kfree(intel_connector->edid);
- if (is_edp(intel_dp)) {
- intel_panel_destroy_backlight(dev);
+ if (is_edp(intel_dp))
intel_panel_fini(&intel_connector->panel);
- }
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 00e70dbe82d..cc70b16d5d4 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -448,6 +448,7 @@ void intel_dvo_init(struct drm_device *dev)
const struct intel_dvo_device *dvo = &intel_dvo_devices[i];
struct i2c_adapter *i2c;
int gpio;
+ bool dvoinit;
/* Allow the I2C driver info to specify the GPIO to be used in
* special cases, but otherwise default to what's defined
@@ -467,7 +468,17 @@ void intel_dvo_init(struct drm_device *dev)
i2c = intel_gmbus_get_adapter(dev_priv, gpio);
intel_dvo->dev = *dvo;
- if (!dvo->dev_ops->init(&intel_dvo->dev, i2c))
+
+ /* GMBUS NAK handling seems to be unstable, hence let the
+ * transmitter detection run in bit banging mode for now.
+ */
+ intel_gmbus_force_bit(i2c, true);
+
+ dvoinit = dvo->dev_ops->init(&intel_dvo->dev, i2c);
+
+ intel_gmbus_force_bit(i2c, false);
+
+ if (!dvoinit)
continue;
intel_encoder->type = INTEL_OUTPUT_DVO;
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 981bdce3634..898832b9ee9 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -261,10 +261,22 @@ void intel_fbdev_fini(struct drm_device *dev)
void intel_fbdev_set_suspend(struct drm_device *dev, int state)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- if (!dev_priv->fbdev)
+ struct intel_fbdev *ifbdev = dev_priv->fbdev;
+ struct fb_info *info;
+
+ if (!ifbdev)
return;
- fb_set_suspend(dev_priv->fbdev->helper.fbdev, state);
+ info = ifbdev->helper.fbdev;
+
+ /* On resume from hibernation: If the object is shmemfs backed, it has
+ * been restored from swap. If the object is stolen however, it will be
+ * full of whatever garbage was left in there.
+ */
+ if (!state && ifbdev->ifb.obj->stolen)
+ memset_io(info->screen_base, 0, info->screen_size);
+
+ fb_set_suspend(info, state);
}
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 3d1d97488cc..e0d69852b0d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -618,7 +618,6 @@ static void intel_lvds_destroy(struct drm_connector *connector)
if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
kfree(lvds_connector->base.edid);
- intel_panel_destroy_backlight(connector->dev);
intel_panel_fini(&lvds_connector->base.panel);
drm_sysfs_connector_remove(connector);
@@ -850,6 +849,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Fujitsu Esprimo Q900",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"),
+ },
+ },
{ } /* terminating entry */
};
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index bee8cb6108a..94d895b665d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -422,6 +422,9 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
intel_panel_init_backlight(dev);
+ if (WARN_ON(dev_priv->backlight))
+ return -ENODEV;
+
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
props.max_brightness = _intel_panel_get_max_backlight(dev);
@@ -447,8 +450,10 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
void intel_panel_destroy_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- if (dev_priv->backlight)
+ if (dev_priv->backlight) {
backlight_device_unregister(dev_priv->backlight);
+ dev_priv->backlight = NULL;
+ }
}
#else
int intel_panel_setup_backlight(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index adca00783e6..332b29e5641 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3562,6 +3562,7 @@ static void cpt_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
+ uint32_t val;
/*
* On Ibex Peak and Cougar Point, we need to disable clock
@@ -3574,8 +3575,12 @@ static void cpt_init_clock_gating(struct drm_device *dev)
/* The below fixes the weird display corruption, a few pixels shifted
* downward, on (only) LVDS of some HP laptops with IVY.
*/
- for_each_pipe(pipe)
- I915_WRITE(TRANS_CHICKEN2(pipe), TRANS_CHICKEN2_TIMING_OVERRIDE);
+ for_each_pipe(pipe) {
+ val = TRANS_CHICKEN2_TIMING_OVERRIDE;
+ if (dev_priv->fdi_rx_polarity_inverted)
+ val |= TRANS_CHICKEN2_FDI_POLARITY_REVERSED;
+ I915_WRITE(TRANS_CHICKEN2(pipe), val);
+ }
/* WADP0ClockGatingDisable */
for_each_pipe(pipe) {
I915_WRITE(TRANS_CHICKEN1(pipe),
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d07a8cdf998..d6df786ee63 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1235,11 +1235,13 @@ static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
+ u16 active_outputs;
u32 tmp;
tmp = I915_READ(intel_sdvo->sdvo_reg);
+ intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
- if (!(tmp & SDVO_ENABLE))
+ if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
return false;
if (HAS_PCH_CPT(dev))
@@ -2739,7 +2741,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
struct intel_sdvo *intel_sdvo;
u32 hotplug_mask;
int i;
-
intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
if (!intel_sdvo)
return false;
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 4d932c46725..8065919f9a6 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -115,6 +115,8 @@ struct mga_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};
struct mga_crtc {
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index d2253f63948..b0dad27cb6a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -29,16 +29,52 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
int bpp = (mfbdev->mfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;
obj = mfbdev->mfb.obj;
bo = gem_to_mga_bo(obj);
+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = mgag200_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&mfbdev->dirty_lock, flags);
+
+ if (mfbdev->y1 < y)
+ y = mfbdev->y1;
+ if (mfbdev->y2 > y2)
+ y2 = mfbdev->y2;
+ if (mfbdev->x1 < x)
+ x = mfbdev->x1;
+ if (mfbdev->x2 > x2)
+ x2 = mfbdev->x2;
+
+ if (store_for_later) {
+ mfbdev->x1 = x;
+ mfbdev->x2 = x2;
+ mfbdev->y1 = y;
+ mfbdev->y2 = y2;
+ spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
return;
}
+ mfbdev->x1 = mfbdev->y1 = INT_MAX;
+ mfbdev->x2 = mfbdev->y2 = 0;
+ spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -48,10 +84,10 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
}
unmap = true;
}
- for (i = y; i < y + height; i++) {
+ for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp);
- memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, width * bpp);
+ memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp);
}
if (unmap)
@@ -255,6 +291,7 @@ int mgag200_fbdev_init(struct mga_device *mdev)
mdev->mfbdev = mfbdev;
mfbdev->helper.funcs = &mga_fb_helper_funcs;
+ spin_lock_init(&mfbdev->dirty_lock);
ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper,
mdev->num_crtc, MGAG200FB_CONN_LIMIT);
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 78d8e919509..713dd700bdc 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -189,12 +189,12 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);
WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_REMHEADCTL_CLKDIS;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);
/* select PLL Set C */
tmp = RREG8(MGAREG_MEM_MISC_READ);
@@ -204,7 +204,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN | 0x80;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
udelay(500);
@@ -212,7 +212,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_VREF_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~0x04;
- WREG_DAC(MGA1064_VREF_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
udelay(50);
@@ -236,13 +236,13 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_REMHEADCTL_CLKSL_MSK;
tmp |= MGA1064_REMHEADCTL_CLKSL_PLL;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);
/* reset dotclock rate bit */
WREG8(MGAREG_SEQ_INDEX, 1);
@@ -253,7 +253,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
vcount = RREG8(MGAREG_VCOUNT);
@@ -318,7 +318,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);
tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= 0x3 << 2;
@@ -326,12 +326,12 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT);
tmp = RREG8(DAC_DATA);
- WREG_DAC(MGA1064_PIX_PLL_STAT, tmp & ~0x40);
+ WREG8(DAC_DATA, tmp & ~0x40);
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
WREG_DAC(MGA1064_EV_PIX_PLLC_M, m);
WREG_DAC(MGA1064_EV_PIX_PLLC_N, n);
@@ -342,7 +342,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
udelay(500);
@@ -350,11 +350,11 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT);
tmp = RREG8(DAC_DATA);
- WREG_DAC(MGA1064_PIX_PLL_STAT, tmp | 0x40);
+ WREG8(DAC_DATA, tmp | 0x40);
tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= (0x3 << 2);
@@ -363,7 +363,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
return 0;
}
@@ -416,7 +416,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);
tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= 0x3 << 2;
@@ -425,7 +425,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
udelay(500);
@@ -439,13 +439,13 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
vcount = RREG8(MGAREG_VCOUNT);
@@ -515,12 +515,12 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);
WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_REMHEADCTL_CLKDIS;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);
tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= (0x3<<2) | 0xc0;
@@ -530,7 +530,7 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);
udelay(500);
@@ -657,12 +657,26 @@ static void mga_g200wb_commit(struct drm_crtc *crtc)
WREG_DAC(MGA1064_GEN_IO_DATA, tmp);
}
-
+/*
+ This is how the framebuffer base address is stored in g200 cards:
+ * Assume @offset is the gpu_addr variable of the framebuffer object
+ * Then addr is the number of _pixels_ (not bytes) from the start of
+ VRAM to the first pixel we want to display. (divided by 2 for 32bit
+ framebuffers)
+ * addr is stored in the CRTCEXT0, CRTCC and CRTCD registers
+ addr<20> -> CRTCEXT0<6>
+ addr<19-16> -> CRTCEXT0<3-0>
+ addr<15-8> -> CRTCC<7-0>
+ addr<7-0> -> CRTCD<7-0>
+ CRTCEXT0 has to be programmed last to trigger an update and make the
+ new addr variable take effect.
+ */
void mga_set_start_address(struct drm_crtc *crtc, unsigned offset)
{
struct mga_device *mdev = crtc->dev->dev_private;
u32 addr;
int count;
+ u8 crtcext0;
while (RREG8(0x1fda) & 0x08);
while (!(RREG8(0x1fda) & 0x08));
@@ -670,10 +684,17 @@ void mga_set_start_address(struct drm_crtc *crtc, unsigned offset)
count = RREG8(MGAREG_VCOUNT) + 2;
while (RREG8(MGAREG_VCOUNT) < count);
- addr = offset >> 2;
+ WREG8(MGAREG_CRTCEXT_INDEX, 0);
+ crtcext0 = RREG8(MGAREG_CRTCEXT_DATA);
+ crtcext0 &= 0xB0;
+ addr = offset / 8;
+ /* Can't store addresses any higher than that...
+ but we also don't have more than 16MB of memory, so it should be fine. */
+ WARN_ON(addr > 0x1fffff);
+ crtcext0 |= (!!(addr & (1<<20)))<<6;
WREG_CRT(0x0d, (u8)(addr & 0xff));
WREG_CRT(0x0c, (u8)(addr >> 8) & 0xff);
- WREG_CRT(0xaf, (u8)(addr >> 16) & 0xf);
+ WREG_ECRT(0x0, ((u8)(addr >> 16) & 0xf) | crtcext0);
}
diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index 8fc9d920194..401c9891d3a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -315,8 +315,8 @@ int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait)
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
- DRM_ERROR("reserve failed %p\n", bo);
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
+ DRM_ERROR("reserve failed %p %d\n", bo, ret);
return ret;
}
return 0;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
index 9c41b58d57e..ad6335f3f1f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c
@@ -1926,8 +1926,8 @@ init_zm_mask_add(struct nvbios_init *init)
trace("ZM_MASK_ADD\tR[0x%06x] &= 0x%08x += 0x%08x\n", addr, mask, add);
init->offset += 13;
- data = init_rd32(init, addr) & mask;
- data |= ((data + add) & ~mask);
+ data = init_rd32(init, addr);
+ data = (data & mask) | ((data + add) & ~mask);
init_wr32(init, addr, data);
}
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
index ac74d1bc67b..1bdf7e1c379 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -212,7 +212,6 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
* refcount on gem itself instead of f_count of dmabuf.
*/
drm_gem_object_reference(obj);
- dma_buf_put(buffer);
return obj;
}
}
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 46a9c377285..fb441a790f3 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1394,10 +1394,10 @@ int atom_allocate_fb_scratch(struct atom_context *ctx)
firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
DRM_DEBUG("atom firmware requested %08x %dkb\n",
- firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
- firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
+ le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
+ le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
- usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+ usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
}
ctx->scratch_size_bytes = 0;
if (usage_bytes == 0)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 21a892c6ab9..6d6fdb3ba0d 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -557,6 +557,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
/* use frac fb div on APUs */
if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ /* use frac fb div on RS780/RS880 */
+ if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
} else {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 305a657bf21..0ea6bdf5fd7 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -105,6 +105,27 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
}
}
+static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
+{
+ if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
+ return true;
+ else
+ return false;
+}
+
+static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
+{
+ u32 pos1, pos2;
+
+ pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
+ pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
+
+ if (pos1 != pos2)
+ return true;
+ else
+ return false;
+}
+
/**
* dce4_wait_for_vblank - vblank wait asic callback.
*
@@ -115,21 +136,28 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
*/
void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
{
- int i;
+ unsigned i = 0;
if (crtc >= rdev->num_crtc)
return;
- if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) {
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK))
+ if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
+ return;
+
+ /* depending on when we hit vblank, we may be close to active; if so,
+ * wait for another frame.
+ */
+ while (dce4_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!dce4_is_counter_moving(rdev, crtc))
break;
- udelay(1);
}
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
+ }
+
+ while (!dce4_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!dce4_is_counter_moving(rdev, crtc))
break;
- udelay(1);
}
}
}
@@ -608,6 +636,16 @@ void evergreen_hpd_init(struct radeon_device *rdev)
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ /* don't try to enable hpd on eDP or LVDS avoid breaking the
+ * aux dp channel on imac and help (but not completely fix)
+ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
+ * also avoid interrupt storms during dpms.
+ */
+ continue;
+ }
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HPD1_CONTROL, tmp);
@@ -1325,17 +1363,16 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
radeon_wait_for_vblank(rdev, i);
- tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
} else {
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
radeon_wait_for_vblank(rdev, i);
- tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
@@ -1347,6 +1384,15 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
break;
udelay(1);
}
+
+ /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+ tmp &= ~EVERGREEN_CRTC_MASTER_EN;
+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ save->crtc_enabled[i] = false;
+ /* ***** */
} else {
save->crtc_enabled[i] = false;
}
@@ -1364,6 +1410,22 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
}
/* wait for the MC to settle */
udelay(100);
+
+ /* lock double buffered regs */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
+ tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
+ WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (!(tmp & 1)) {
+ tmp |= 1;
+ WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ }
+ }
}
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1385,6 +1447,33 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+ /* unlock regs and wait for update */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
+ if ((tmp & 0x3) != 0) {
+ tmp &= ~0x3;
+ WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
+ tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
+ WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (tmp & 1) {
+ tmp &= ~1;
+ WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ for (j = 0; j < rdev->usec_timeout; j++) {
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
+ break;
+ udelay(1);
+ }
+ }
+ }
+
/* unblackout the MC */
tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
tmp &= ~BLACKOUT_MODE_MASK;
@@ -2311,8 +2400,8 @@ int evergreen_mc_init(struct radeon_device *rdev)
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
} else {
/* size in MB on evergreen/cayman/tn */
- rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
- rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+ rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
}
rdev->mc.visible_vram_size = rdev->mc.aper_size;
r700_vram_gtt_location(rdev, &rdev->mc);
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index f585be16e2d..881aba23c47 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -226,6 +226,8 @@
#define EVERGREEN_CRTC_STATUS_HV_COUNT 0x6ea0
#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
+#define EVERGREEN_MASTER_UPDATE_LOCK 0x6ef4
+#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0
#define EVERGREEN_DC_GPIO_HPD_A 0x64b4
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 27769e724b6..0a32d89e627 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -473,7 +473,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x990F) ||
(rdev->pdev->device == 0x9910) ||
(rdev->pdev->device == 0x9917) ||
- (rdev->pdev->device == 0x9999)) {
+ (rdev->pdev->device == 0x9999) ||
+ (rdev->pdev->device == 0x999C)) {
rdev->config.cayman.max_simds_per_se = 6;
rdev->config.cayman.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x9903) ||
@@ -482,7 +483,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x990D) ||
(rdev->pdev->device == 0x990E) ||
(rdev->pdev->device == 0x9913) ||
- (rdev->pdev->device == 0x9918)) {
+ (rdev->pdev->device == 0x9918) ||
+ (rdev->pdev->device == 0x999D)) {
rdev->config.cayman.max_simds_per_se = 4;
rdev->config.cayman.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x9919) ||
@@ -621,6 +623,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+ if (ASIC_IS_DCE6(rdev))
+ WREG32(DMIF_ADDR_CALC, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 079dee202a9..445b235c432 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -45,6 +45,10 @@
#define ARUBA_GB_ADDR_CONFIG_GOLDEN 0x12010001
#define DMIF_ADDR_CONFIG 0xBD4
+
+/* DCE6 only */
+#define DMIF_ADDR_CALC 0xC00
+
#define SRBM_GFX_CNTL 0x0E44
#define RINGID(x) (((x) & 0x3) << 0)
#define VMID(x) (((x) & 0x7) << 0)
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 9db58530be3..4973bff37fe 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -69,6 +69,38 @@ MODULE_FIRMWARE(FIRMWARE_R520);
* and others in some cases.
*/
+static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
+{
+ if (crtc == 0) {
+ if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
+ return true;
+ else
+ return false;
+ } else {
+ if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
+ return true;
+ else
+ return false;
+ }
+}
+
+static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
+{
+ u32 vline1, vline2;
+
+ if (crtc == 0) {
+ vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ } else {
+ vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
+ }
+ if (vline1 != vline2)
+ return true;
+ else
+ return false;
+}
+
/**
* r100_wait_for_vblank - vblank wait asic callback.
*
@@ -79,36 +111,33 @@ MODULE_FIRMWARE(FIRMWARE_R520);
*/
void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
{
- int i;
+ unsigned i = 0;
if (crtc >= rdev->num_crtc)
return;
if (crtc == 0) {
- if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) {
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR))
- break;
- udelay(1);
- }
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
- break;
- udelay(1);
- }
- }
+ if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
+ return;
} else {
- if (RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN) {
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (!(RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR))
- break;
- udelay(1);
- }
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
- break;
- udelay(1);
- }
+ if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
+ return;
+ }
+
+ /* depending on when we hit vblank, we may be close to active; if so,
+ * wait for another frame.
+ */
+ while (r100_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!r100_is_counter_moving(rdev, crtc))
+ break;
+ }
+ }
+
+ while (!r100_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!r100_is_counter_moving(rdev, crtc))
+ break;
}
}
}
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 865e2c9980d..60170ea5e3a 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -75,7 +75,7 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));
for (i = 0; i < nr; ++i) {
- if (DRM_COPY_FROM_USER_UNCHECKED
+ if (DRM_COPY_FROM_USER
(&box, &cmdbuf->boxes[n + i], sizeof(box))) {
DRM_ERROR("copy cliprect faulted\n");
return -EFAULT;
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index c0dc8d3ba0b..1dd0d32993d 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -358,7 +358,9 @@
#define AVIVO_D1CRTC_STATUS_HV_COUNT 0x60ac
#define AVIVO_D1CRTC_STEREO_CONTROL 0x60c4
+#define AVIVO_D1MODE_MASTER_UPDATE_LOCK 0x60e0
#define AVIVO_D1MODE_MASTER_UPDATE_MODE 0x60e4
+#define AVIVO_D1CRTC_UPDATE_LOCK 0x60e8
/* master controls */
#define AVIVO_DC_CRTC_MASTER_EN 0x60f8
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 21ecc0e12dc..85208336cbc 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -433,7 +433,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
offset = dig->afmt->offset;
/* Older chipsets require setting HDMI and routing manually */
- if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
@@ -501,7 +501,7 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
radeon_irq_kms_disable_afmt(rdev, dig->afmt->id);
/* Older chipsets not handled by AtomBIOS */
- if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, 0,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f22eb571352..96168ef4ab1 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2028,6 +2028,8 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
num_modes = power_info->info.ucNumOfPowerModeEntries;
if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+ if (num_modes == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * num_modes, GFP_KERNEL);
if (!rdev->pm.power_state)
return state_index;
@@ -2432,6 +2434,8 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
+ if (power_info->pplib.ucNumStates == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
power_info->pplib.ucNumStates, GFP_KERNEL);
if (!rdev->pm.power_state)
@@ -2514,6 +2518,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
u16 data_offset;
u8 frev, crev;
+ u8 *power_state_offset;
if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
@@ -2530,15 +2535,17 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
non_clock_info_array = (struct _NonClockInfoArray *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
+ if (state_array->ucNumEntries == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
state_array->ucNumEntries, GFP_KERNEL);
if (!rdev->pm.power_state)
return state_index;
+ power_state_offset = (u8 *)state_array->states;
for (i = 0; i < state_array->ucNumEntries; i++) {
mode_index = 0;
- power_state = (union pplib_power_state *)&state_array->states[i];
- /* XXX this might be an inagua bug... */
- non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */
+ power_state = (union pplib_power_state *)power_state_offset;
+ non_clock_array_index = power_state->v2.nonClockInfoIndex;
non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
&non_clock_info_array->nonClockInfo[non_clock_array_index];
rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
@@ -2550,9 +2557,6 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
if (power_state->v2.ucNumDPMLevels) {
for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
clock_array_index = power_state->v2.clockInfoIndex[j];
- /* XXX this might be an inagua bug... */
- if (clock_array_index >= clock_info_array->ucNumEntries)
- continue;
clock_info = (union pplib_clock_info *)
&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
valid = radeon_atombios_parse_pplib_clock_info(rdev,
@@ -2574,6 +2578,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
non_clock_info);
state_index++;
}
+ power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
}
/* if multiple clock modes, mark the lowest as no display */
for (i = 0; i < state_index; i++) {
@@ -2620,7 +2625,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
default:
break;
}
- } else {
+ }
+
+ if (state_index == 0) {
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
if (rdev->pm.power_state) {
rdev->pm.power_state[0].clock_info =
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 66a7f0fd962..96cf43901b5 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -144,7 +144,7 @@ static inline void radeon_unregister_atpx_handler(void) {}
#endif
int radeon_no_wb;
-int radeon_modeset = 1;
+int radeon_modeset = -1;
int radeon_dynclks = -1;
int radeon_r4xx_atom = 0;
int radeon_agpmode = 0;
@@ -449,6 +449,16 @@ static struct pci_driver radeon_kms_pci_driver = {
static int __init radeon_init(void)
{
+#ifdef CONFIG_VGA_CONSOLE
+ if (vgacon_text_force() && radeon_modeset == -1) {
+ DRM_INFO("VGACON disable radeon kernel modesetting.\n");
+ radeon_modeset = 0;
+ }
+#endif
+ /* set to modesetting by default if not nomodeset */
+ if (radeon_modeset == -1)
+ radeon_modeset = 1;
+
if (radeon_modeset == 1) {
DRM_INFO("radeon kernel modesetting enabled.\n");
driver = &kms_driver;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index c75cb2c6ba7..c5b2765cbf1 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -50,9 +50,13 @@ int radeon_driver_unload_kms(struct drm_device *dev)
if (rdev == NULL)
return 0;
+ if (rdev->rmmio == NULL)
+ goto done_free;
radeon_acpi_fini(rdev);
radeon_modeset_fini(rdev);
radeon_device_fini(rdev);
+
+done_free:
kfree(rdev);
dev->dev_private = NULL;
return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 338fd6a74e8..788c64cb4b4 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -843,7 +843,11 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
struct radeon_device *rdev = dev->dev_private;
seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk);
- seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
+ /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */
+ if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP))
+ seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk);
+ else
+ seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk);
if (rdev->asic->pm.get_memory_clock)
seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 8d58e268ff6..1ef5eaac6ab 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -180,7 +180,8 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
radeon_semaphore_free(rdev, &ib->semaphore, NULL);
}
/* if we can't remember our last VM flush then flush now! */
- if (ib->vm && !ib->vm->last_flush) {
+ /* XXX figure out why we have to flush for every IB */
+ if (ib->vm /*&& !ib->vm->last_flush*/) {
radeon_ring_vm_flush(rdev, ib->ring, ib->vm);
}
if (const_ib) {
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 93f760e27a9..6c0ce8915fa 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -726,7 +726,7 @@ int radeon_ttm_init(struct radeon_device *rdev)
return r;
}
DRM_INFO("radeon: %uM of VRAM memory ready\n",
- (unsigned)rdev->mc.real_vram_size / (1024 * 1024));
+ (unsigned) (rdev->mc.real_vram_size / (1024 * 1024)));
r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,
rdev->mc.gtt_size >> PAGE_SHIFT);
if (r) {
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 5a0fc74c2ba..46fa1b07c56 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -52,23 +52,59 @@ static const u32 crtc_offsets[2] =
AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
};
+static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
+{
+ if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
+ return true;
+ else
+ return false;
+}
+
+static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
+{
+ u32 pos1, pos2;
+
+ pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
+ pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
+
+ if (pos1 != pos2)
+ return true;
+ else
+ return false;
+}
+
+/**
+ * avivo_wait_for_vblank - vblank wait asic callback.
+ *
+ * @rdev: radeon_device pointer
+ * @crtc: crtc to wait for vblank on
+ *
+ * Wait for vblank on the requested crtc (r5xx-r7xx).
+ */
void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
{
- int i;
+ unsigned i = 0;
if (crtc >= rdev->num_crtc)
return;
- if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN) {
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (!(RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK))
+ if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
+ return;
+
+ /* depending on when we hit vblank, we may be close to active; if so,
+ * wait for another frame.
+ */
+ while (avivo_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!avivo_is_counter_moving(rdev, crtc))
break;
- udelay(1);
}
- for (i = 0; i < rdev->usec_timeout; i++) {
- if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
+ }
+
+ while (!avivo_is_in_vblank(rdev, crtc)) {
+ if (i++ % 100 == 0) {
+ if (!avivo_is_counter_moving(rdev, crtc))
break;
- udelay(1);
}
}
}
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 435ed355136..ffcba730c57 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -303,8 +303,10 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
radeon_wait_for_vblank(rdev, i);
+ WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
/* wait for the next frame */
frame_count = radeon_get_vblank_counter(rdev, i);
@@ -313,6 +315,15 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
break;
udelay(1);
}
+
+ /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
+ WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+ tmp &= ~AVIVO_CRTC_EN;
+ WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ save->crtc_enabled[i] = false;
+ /* ***** */
} else {
save->crtc_enabled[i] = false;
}
@@ -338,6 +349,22 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
}
/* wait for the MC to settle */
udelay(100);
+
+ /* lock double buffered regs */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+ if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
+ tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
+ WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (!(tmp & 1)) {
+ tmp |= 1;
+ WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ }
+ }
}
void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
@@ -348,7 +375,7 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
/* update crtc base addresses */
for (i = 0; i < rdev->num_crtc; i++) {
if (rdev->family >= CHIP_RV770) {
- if (i == 1) {
+ if (i == 0) {
WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
upper_32_bits(rdev->mc.vram_start));
WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
@@ -367,6 +394,33 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
}
WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+ /* unlock regs and wait for update */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
+ if ((tmp & 0x3) != 0) {
+ tmp &= ~0x3;
+ WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+ if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
+ tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
+ WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (tmp & 1) {
+ tmp &= ~1;
+ WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ for (j = 0; j < rdev->usec_timeout; j++) {
+ tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+ if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
+ break;
+ udelay(1);
+ }
+ }
+ }
+
if (rdev->family >= CHIP_R600) {
/* unblackout the MC */
if (rdev->family >= CHIP_RV770)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index bafbe321695..287248cc05f 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1463,7 +1463,7 @@ static void si_select_se_sh(struct radeon_device *rdev,
u32 data = INSTANCE_BROADCAST_WRITES;
if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
- data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
+ data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
else if (se_num == 0xffffffff)
data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
else if (sh_num == 0xffffffff)
@@ -1765,6 +1765,7 @@ static void si_gpu_init(struct radeon_device *rdev)
WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+ WREG32(DMIF_ADDR_CALC, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
@@ -2643,8 +2644,8 @@ static int si_mc_init(struct radeon_device *rdev)
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
/* size in MB on si */
- rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
- rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+ rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
si_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 23fc08fc8e7..f84cff0aafc 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -65,6 +65,8 @@
#define DMIF_ADDR_CONFIG 0xBD4
+#define DMIF_ADDR_CALC 0xC00
+
#define SRBM_STATUS 0xE50
#define GRBM_RQ_PENDING (1 << 5)
#define VMC_BUSY (1 << 8)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index c5b592dc197..bfac5827c9b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -75,7 +75,7 @@ static int modeset_init(struct drm_device *dev)
mod->funcs->modeset_init(mod, dev);
}
- if ((priv->num_encoders = 0) || (priv->num_connectors == 0)) {
+ if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) {
/* oh nos! */
dev_err(dev->dev, "no encoders/connectors found\n");
return -ENXIO;
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 3816270ba49..ef034fa3e6f 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -303,6 +303,8 @@ struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev,
if (IS_ERR(attach))
return ERR_CAST(attach);
+ get_dma_buf(dma_buf);
+
sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
if (IS_ERR(sg)) {
ret = PTR_ERR(sg);
@@ -322,5 +324,7 @@ fail_unmap:
dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
fail_detach:
dma_buf_detach(dma_buf, attach);
+ dma_buf_put(dma_buf);
+
return ERR_PTR(ret);
}
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index aa341d13586..e6dbf092adc 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1702,6 +1702,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index cafa72ffdc3..d6fbb5772b8 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -71,6 +71,7 @@ u32 hv_end_read(struct hv_ring_buffer_info *rbi)
static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi)
{
+ smp_mb();
if (rbi->ring_buffer->interrupt_mask)
return false;
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c
index 6119ff8e8c8..f3b3488e5a5 100644
--- a/drivers/hwmon/abituguru.c
+++ b/drivers/hwmon/abituguru.c
@@ -1411,14 +1411,18 @@ static int abituguru_probe(struct platform_device *pdev)
pr_info("found Abit uGuru\n");
/* Register sysfs hooks */
- for (i = 0; i < sysfs_attr_i; i++)
- if (device_create_file(&pdev->dev,
- &data->sysfs_attr[i].dev_attr))
+ for (i = 0; i < sysfs_attr_i; i++) {
+ res = device_create_file(&pdev->dev,
+ &data->sysfs_attr[i].dev_attr);
+ if (res)
goto abituguru_probe_error;
- for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++)
- if (device_create_file(&pdev->dev,
- &abituguru_sysfs_attr[i].dev_attr))
+ }
+ for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) {
+ res = device_create_file(&pdev->dev,
+ &abituguru_sysfs_attr[i].dev_attr);
+ if (res)
goto abituguru_probe_error;
+ }
data->hwmon_dev = hwmon_device_register(&pdev->dev);
if (!IS_ERR(data->hwmon_dev))
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 94fd8187540..2db362854d7 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -361,7 +361,8 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
/* Enable the adapter */
dw_writel(dev, 1, DW_IC_ENABLE);
- /* Enable interrupts */
+ /* Clear and enable interrupts */
+ i2c_dw_clear_int(dev);
dw_writel(dev, DW_IC_INTR_DEFAULT_MASK, DW_IC_INTR_MASK);
}
@@ -426,8 +427,14 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev)
cmd |= BIT(9);
if (msgs[dev->msg_write_idx].flags & I2C_M_RD) {
+
+ /* avoid rx buffer overrun */
+ if (rx_limit - dev->rx_outstanding <= 0)
+ break;
+
dw_writel(dev, cmd | 0x100, DW_IC_DATA_CMD);
rx_limit--;
+ dev->rx_outstanding++;
} else
dw_writel(dev, cmd | *buf++, DW_IC_DATA_CMD);
tx_limit--; buf_len--;
@@ -480,8 +487,10 @@ i2c_dw_read(struct dw_i2c_dev *dev)
rx_valid = dw_readl(dev, DW_IC_RXFLR);
- for (; len > 0 && rx_valid > 0; len--, rx_valid--)
+ for (; len > 0 && rx_valid > 0; len--, rx_valid--) {
*buf++ = dw_readl(dev, DW_IC_DATA_CMD);
+ dev->rx_outstanding--;
+ }
if (len > 0) {
dev->status |= STATUS_READ_IN_PROGRESS;
@@ -539,6 +548,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
dev->msg_err = 0;
dev->status = STATUS_IDLE;
dev->abort_source = 0;
+ dev->rx_outstanding = 0;
ret = i2c_dw_wait_bus_not_busy(dev);
if (ret < 0)
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 9c1840ee09c..e761ad18dd6 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -60,6 +60,7 @@
* @adapter: i2c subsystem adapter node
* @tx_fifo_depth: depth of the hardware tx fifo
* @rx_fifo_depth: depth of the hardware rx fifo
+ * @rx_outstanding: current master-rx elements in tx fifo
*/
struct dw_i2c_dev {
struct device *dev;
@@ -88,6 +89,7 @@ struct dw_i2c_dev {
u32 master_cfg;
unsigned int tx_fifo_depth;
unsigned int rx_fifo_depth;
+ int rx_outstanding;
};
#define ACCESS_SWAP 0x00000001
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 332c720fb3f..3d0f0520c1b 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -312,10 +312,8 @@ static void xiic_fill_tx_fifo(struct xiic_i2c *i2c)
/* last message in transfer -> STOP */
data |= XIIC_TX_DYN_STOP_MASK;
dev_dbg(i2c->adap.dev.parent, "%s TX STOP\n", __func__);
-
- xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
- } else
- xiic_setreg8(i2c, XIIC_DTR_REG_OFFSET, data);
+ }
+ xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
}
}
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 70b1808a08f..ed49ab345b6 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -100,6 +100,16 @@ static int alloc_host_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
return 0;
}
+static int alloc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq, int user)
+{
+ int ret = -ENOSYS;
+ if (user)
+ ret = alloc_oc_sq(rdev, sq);
+ if (ret)
+ ret = alloc_host_sq(rdev, sq);
+ return ret;
+}
+
static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
struct c4iw_dev_ucontext *uctx)
{
@@ -168,18 +178,9 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
goto free_sw_rq;
}
- if (user) {
- ret = alloc_oc_sq(rdev, &wq->sq);
- if (ret)
- goto free_hwaddr;
-
- ret = alloc_host_sq(rdev, &wq->sq);
- if (ret)
- goto free_sq;
- } else
- ret = alloc_host_sq(rdev, &wq->sq);
- if (ret)
- goto free_hwaddr;
+ ret = alloc_sq(rdev, &wq->sq, user);
+ if (ret)
+ goto free_hwaddr;
memset(wq->sq.queue, 0, wq->sq.memsize);
dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr);
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b287ca33833..cbb164581e7 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3947,6 +3947,9 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
if (!table)
goto out;
+ /* Initialize table spin-lock */
+ spin_lock_init(&table->lock);
+
if (ioapic)
/* Keep the first 32 indexes free for IOAPIC interrupts */
table->min_index = 32;
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index c6083132c4b..0387e05cdb9 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -319,6 +319,9 @@ static void __cache_size_refresh(void)
static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
enum data_mode *data_mode)
{
+ unsigned noio_flag;
+ void *ptr;
+
if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) {
*data_mode = DATA_MODE_SLAB;
return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask);
@@ -332,7 +335,26 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
}
*data_mode = DATA_MODE_VMALLOC;
- return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+ /*
+ * __vmalloc allocates the data pages and auxiliary structures with
+ * gfp_flags that were specified, but pagetables are always allocated
+ * with GFP_KERNEL, no matter what was specified as gfp_mask.
+ *
+ * Consequently, we must set per-process flag PF_MEMALLOC_NOIO so that
+ * all allocations done by this process (including pagetables) are done
+ * as if GFP_NOIO was specified.
+ */
+
+ if (gfp_mask & __GFP_NORETRY)
+ noio_flag = memalloc_noio_save();
+
+ ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+ if (gfp_mask & __GFP_NORETRY)
+ memalloc_noio_restore(noio_flag);
+
+ return ptr;
}
/*
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 10744091e6c..6feaba24fca 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -1971,6 +1971,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
atomic_set(&cache->nr_migrations, 0);
init_waitqueue_head(&cache->migration_wait);
+ r = -ENOMEM;
cache->nr_dirty = 0;
cache->dirty_bitset = alloc_bitset(from_cblock(cache->cache_size));
if (!cache->dirty_bitset) {
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index c0e07026a8d..c434e5aab2d 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1121,6 +1121,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache);
if (!s->pending_pool) {
ti->error = "Could not allocate mempool for pending exceptions";
+ r = -ENOMEM;
goto bad_pending_pool;
}
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index d8837d313f5..7b8b2b93034 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -94,7 +94,7 @@ static int get_stripe(struct dm_target *ti, struct stripe_c *sc,
static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
{
struct stripe_c *sc;
- sector_t width;
+ sector_t width, tmp_len;
uint32_t stripes;
uint32_t chunk_size;
int r;
@@ -116,15 +116,16 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
width = ti->len;
- if (sector_div(width, chunk_size)) {
+ if (sector_div(width, stripes)) {
ti->error = "Target length not divisible by "
- "chunk size";
+ "number of stripes";
return -EINVAL;
}
- if (sector_div(width, stripes)) {
+ tmp_len = width;
+ if (sector_div(tmp_len, chunk_size)) {
ti->error = "Target length not divisible by "
- "number of stripes";
+ "chunk size";
return -EINVAL;
}
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index e50dad0c65f..1ff252ab7d4 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1442,7 +1442,7 @@ static bool dm_table_supports_write_same(struct dm_table *t)
return false;
if (!ti->type->iterate_devices ||
- !ti->type->iterate_devices(ti, device_not_write_same_capable, NULL))
+ ti->type->iterate_devices(ti, device_not_write_same_capable, NULL))
return false;
}
diff --git a/drivers/md/md.c b/drivers/md/md.c
index aeceedfc530..a4a93b9859f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1564,8 +1564,8 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
sector, count, 1) == 0)
return -EINVAL;
}
- } else if (sb->bblog_offset == 0)
- rdev->badblocks.shift = -1;
+ } else if (sb->bblog_offset != 0)
+ rdev->badblocks.shift = 0;
if (!refdev) {
ret = 1;
@@ -3221,7 +3221,7 @@ int md_rdev_init(struct md_rdev *rdev)
* be used - I wonder if that matters
*/
rdev->badblocks.count = 0;
- rdev->badblocks.shift = 0;
+ rdev->badblocks.shift = -1; /* disabled until explicitly enabled */
rdev->badblocks.page = kmalloc(PAGE_SIZE, GFP_KERNEL);
seqlock_init(&rdev->badblocks.lock);
if (rdev->badblocks.page == NULL)
@@ -3293,9 +3293,6 @@ static struct md_rdev *md_import_device(dev_t newdev, int super_format, int supe
goto abort_free;
}
}
- if (super_format == -1)
- /* hot-add for 0.90, or non-persistent: so no badblocks */
- rdev->badblocks.shift = -1;
return rdev;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fd86b372692..6af167f8109 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -981,7 +981,12 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
bio->bi_next = NULL;
- generic_make_request(bio);
+ if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+ !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+ /* Just ignore it */
+ bio_endio(bio, 0);
+ else
+ generic_make_request(bio);
bio = next;
}
kfree(plug);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 77b562d18a9..46c14e5efcb 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1133,7 +1133,12 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
bio->bi_next = NULL;
- generic_make_request(bio);
+ if (unlikely((bio->bi_rw & REQ_DISCARD) &&
+ !blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
+ /* Just ignore it */
+ bio_endio(bio, 0);
+ else
+ generic_make_request(bio);
bio = next;
}
kfree(plug);
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index 210dd038bb5..6b40e0cde96 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -36,6 +36,7 @@ struct adp5520_chip {
struct blocking_notifier_head notifier_list;
int irq;
unsigned long id;
+ uint8_t mode;
};
static int __adp5520_read(struct i2c_client *client,
@@ -326,7 +327,10 @@ static int adp5520_suspend(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
- adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);
+ /* All other bits are W1C */
+ chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
return 0;
}
@@ -335,7 +339,7 @@ static int adp5520_resume(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
- adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
return 0;
}
#endif
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index c8f3d6e0684..8ac51013a4f 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -368,13 +368,13 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
card->ext_csd.raw_trim_mult =
ext_csd[EXT_CSD_TRIM_MULT];
+ card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if (card->ext_csd.rev >= 4) {
/*
* Enhanced area feature support -- check whether the eMMC
* card has the Enhanced area enabled. If so, export enhanced
* area offset and size to user by adding sysfs interface.
*/
- card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
(ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
hc_erase_grp_sz =
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index d88219e1d86..9c581c2ed34 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -300,16 +300,6 @@ config MMC_ATMELMCI
If unsure, say N.
-config MMC_ATMELMCI_DMA
- bool "Atmel MCI DMA support"
- depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE
- help
- Say Y here to have the Atmel MCI driver use a DMA engine to
- do data transfers and thus increase the throughput and
- reduce the CPU utilization.
-
- If unsure, say N.
-
config MMC_MSM
tristate "Qualcomm SDCC Controller Support"
depends on MMC && ARCH_MSM
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 722af1de796..e75774f7260 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -178,6 +178,7 @@ struct atmel_mci {
void __iomem *regs;
struct scatterlist *sg;
+ unsigned int sg_len;
unsigned int pio_offset;
unsigned int *buffer;
unsigned int buf_size;
@@ -892,6 +893,7 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
data->error = -EINPROGRESS;
host->sg = data->sg;
+ host->sg_len = data->sg_len;
host->data = data;
host->data_chan = NULL;
@@ -1826,7 +1828,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
if (offset == sg->length) {
flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 0;
@@ -1839,7 +1842,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 4 - remaining;
@@ -1890,7 +1894,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
nbytes += 4;
if (offset == sg->length) {
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 0;
@@ -1904,7 +1909,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
nbytes += remaining;
host->sg = sg = sg_next(sg);
- if (!sg) {
+ host->sg_len--;
+ if (!sg || !host->sg_len) {
atmci_writel(host, ATMCI_TDR, value);
goto done;
}
@@ -2487,10 +2493,8 @@ static int __exit atmci_remove(struct platform_device *pdev)
atmci_readl(host, ATMCI_SR);
clk_disable(host->mck);
-#ifdef CONFIG_MMC_ATMELMCI_DMA
if (host->dma.chan)
dma_release_channel(host->dma.chan);
-#endif
free_irq(platform_get_irq(pdev, 0), host);
iounmap(host->regs);
diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
index f36ff99fd39..adb4bf5eb4b 100644
--- a/drivers/net/ethernet/3com/3c509.c
+++ b/drivers/net/ethernet/3com/3c509.c
@@ -306,6 +306,7 @@ static int el3_isa_match(struct device *pdev, unsigned int ndev)
if (!dev)
return -ENOMEM;
+ SET_NETDEV_DEV(dev, pdev);
netdev_boot_setup_check(dev);
if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) {
@@ -595,6 +596,7 @@ static int __init el3_eisa_probe (struct device *device)
return -ENOMEM;
}
+ SET_NETDEV_DEV(dev, device);
netdev_boot_setup_check(dev);
el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA);
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 1928e200158..072c6f14e8f 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -632,7 +632,6 @@ struct vortex_private {
pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */
open:1,
medialock:1,
- must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */
large_frames:1, /* accept large frames */
handling_irq:1; /* private in_irq indicator */
/* {get|set}_wol operations are already serialized by rtnl.
@@ -951,7 +950,7 @@ static int vortex_eisa_remove(struct device *device)
unregister_netdev(dev);
iowrite16(TotalReset|0x14, ioaddr + EL3_CMD);
- release_region(dev->base_addr, VORTEX_TOTAL_SIZE);
+ release_region(edev->base_addr, VORTEX_TOTAL_SIZE);
free_netdev(dev);
return 0;
@@ -1012,6 +1011,12 @@ static int vortex_init_one(struct pci_dev *pdev,
if (rc < 0)
goto out;
+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc < 0) {
+ pci_disable_device(pdev);
+ goto out;
+ }
+
unit = vortex_cards_found;
if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) {
@@ -1027,6 +1032,7 @@ static int vortex_init_one(struct pci_dev *pdev,
if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
ioaddr = pci_iomap(pdev, 0, 0);
if (!ioaddr) {
+ pci_release_regions(pdev);
pci_disable_device(pdev);
rc = -ENOMEM;
goto out;
@@ -1036,6 +1042,7 @@ static int vortex_init_one(struct pci_dev *pdev,
ent->driver_data, unit);
if (rc < 0) {
pci_iounmap(pdev, ioaddr);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
goto out;
}
@@ -1178,11 +1185,6 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
/* PCI-only startup logic */
if (pdev) {
- /* EISA resources already marked, so only PCI needs to do this here */
- /* Ignore return value, because Cardbus drivers already allocate for us */
- if (request_region(dev->base_addr, vci->io_size, print_name) != NULL)
- vp->must_free_region = 1;
-
/* enable bus-mastering if necessary */
if (vci->flags & PCI_USES_MASTER)
pci_set_master(pdev);
@@ -1220,7 +1222,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
&vp->rx_ring_dma);
retval = -ENOMEM;
if (!vp->rx_ring)
- goto free_region;
+ goto free_device;
vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE);
vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE;
@@ -1484,9 +1486,7 @@ free_ring:
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
-free_region:
- if (vp->must_free_region)
- release_region(dev->base_addr, vci->io_size);
+free_device:
free_netdev(dev);
pr_err(PFX "vortex_probe1 fails. Returns %d\n", retval);
out:
@@ -3254,8 +3254,9 @@ static void vortex_remove_one(struct pci_dev *pdev)
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
- if (vp->must_free_region)
- release_region(dev->base_addr, vp->io_size);
+
+ pci_release_regions(pdev);
+
free_netdev(dev);
}
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 2e5daee0438..a3f8a2551f2 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -127,7 +127,6 @@ struct gianfar_ptp_registers {
#define DRIVER "gianfar_ptp"
#define DEFAULT_CKSEL 1
-#define N_ALARM 1 /* first alarm is used internally to reset fipers */
#define N_EXT_TS 2
#define REG_SIZE sizeof(struct gianfar_ptp_registers)
@@ -410,7 +409,7 @@ static struct ptp_clock_info ptp_gianfar_caps = {
.owner = THIS_MODULE,
.name = "gianfar clock",
.max_adj = 512000,
- .n_alarm = N_ALARM,
+ .n_alarm = 0,
.n_ext_ts = N_EXT_TS,
.n_per_out = 0,
.pps = 1,
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index c859771a990..f46dbef0727 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1324,7 +1324,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
{
- int rc, i;
+ int rc, i, mac_len;
struct net_device *netdev;
struct ibmveth_adapter *adapter;
unsigned char *mac_addr_p;
@@ -1334,11 +1334,19 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
dev->unit_address);
mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR,
- NULL);
+ &mac_len);
if (!mac_addr_p) {
dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n");
return -EINVAL;
}
+ /* Workaround for old/broken pHyp */
+ if (mac_len == 8)
+ mac_addr_p += 2;
+ else if (mac_len != 6) {
+ dev_err(&dev->dev, "VETH_MAC_ADDR attribute wrong len %d\n",
+ mac_len);
+ return -EINVAL;
+ }
mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev,
VETH_MCAST_FILTER_SIZE, NULL);
@@ -1363,17 +1371,6 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);
- /*
- * Some older boxes running PHYP non-natively have an OF that returns
- * a 8-byte local-mac-address field (and the first 2 bytes have to be
- * ignored) while newer boxes' OF return a 6-byte field. Note that
- * IEEE 1275 specifies that local-mac-address must be a 6-byte field.
- * The RPA doc specifies that the first byte must be 10b, so we'll
- * just look for it to solve this 8 vs. 6 byte field issue
- */
- if ((*mac_addr_p & 0x3) != 0x02)
- mac_addr_p += 2;
-
adapter->mac_addr = 0;
memcpy(&adapter->mac_addr, mac_addr_p, 6);
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index b477fa53ec9..065f8c80d4f 100644
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -145,8 +145,7 @@ static int e1000e_phc_settime(struct ptp_clock_info *ptp,
unsigned long flags;
u64 ns;
- ns = ts->tv_sec * NSEC_PER_SEC;
- ns += ts->tv_nsec;
+ ns = timespec_to_ns(ts);
/* reset the timecounter */
spin_lock_irqsave(&adapter->systim_lock, flags);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 79f4a26ea6c..a892efd9c76 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2405,6 +2405,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data)
* with the write to EICR.
*/
eicr = IXGBE_READ_REG(hw, IXGBE_EICS);
+
+ /* The lower 16bits of the EICR register are for the queue interrupts
+ * which should be masked here in order to not accidently clear them if
+ * the bits are high when ixgbe_msix_other is called. There is a race
+ * condition otherwise which results in possible performance loss
+ * especially if the ixgbe_msix_other interrupt is triggering
+ * consistently (as it would when PPS is turned on for the X540 device)
+ */
+ eicr &= 0xFFFF0000;
+
IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr);
if (eicr & IXGBE_EICR_LSC)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 4ecbe64a758..15ba8c47d79 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5787,6 +5787,14 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
goto err_stop_0;
}
+ /* 8168evl does not automatically pad to minimum length. */
+ if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
+ skb->len < ETH_ZLEN)) {
+ if (skb_padto(skb, ETH_ZLEN))
+ goto err_update_stats;
+ skb_put(skb, ETH_ZLEN - skb->len);
+ }
+
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
goto err_stop_0;
@@ -5858,6 +5866,7 @@ err_dma_1:
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
err_dma_0:
dev_kfree_skb(skb);
+err_update_stats:
dev->stats.tx_dropped++;
return NETDEV_TX_OK;
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 0095ce95150..97dd8f18c00 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -667,7 +667,7 @@ fail:
int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
u16 *fw_subtype_list, u32 *capabilities)
{
- uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN];
+ uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMAX];
size_t outlen, offset, i;
int port_num = efx_port_num(efx);
int rc;
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 66e025ad5df..f3c2d034b32 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -930,7 +930,7 @@ static int tile_net_setup_interrupts(struct net_device *dev)
if (info->has_iqueue) {
gxio_mpipe_request_notif_ring_interrupt(
&context, cpu_x(cpu), cpu_y(cpu),
- 1, ingress_irq, info->iqueue.ring);
+ KERNEL_PL, ingress_irq, info->iqueue.ring);
}
}
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 73abbc1655d..011062ed595 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -222,7 +222,8 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
}
if (port->passthru)
- vlan = list_first_entry(&port->vlans, struct macvlan_dev, list);
+ vlan = list_first_or_null_rcu(&port->vlans,
+ struct macvlan_dev, list);
else
vlan = macvlan_hash_lookup(port, eth->h_dest);
if (vlan == NULL)
@@ -807,7 +808,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
if (err < 0)
goto upper_dev_unlink;
- list_add_tail(&vlan->list, &port->vlans);
+ list_add_tail_rcu(&vlan->list, &port->vlans);
netif_stacked_transfer_operstate(lowerdev, dev);
return 0;
@@ -835,7 +836,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head)
{
struct macvlan_dev *vlan = netdev_priv(dev);
- list_del(&vlan->list);
+ list_del_rcu(&vlan->list);
unregister_netdevice_queue(dev, head);
netdev_upper_dev_unlink(vlan->lowerdev, dev);
}
diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
index ed947dd76fb..f3cdf64997d 100644
--- a/drivers/net/ntb_netdev.c
+++ b/drivers/net/ntb_netdev.c
@@ -375,6 +375,8 @@ static void ntb_netdev_remove(struct pci_dev *pdev)
if (dev == NULL)
return;
+ list_del(&dev->list);
+
ndev = dev->ndev;
unregister_netdev(ndev);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 729ed533bb3..755fa9e8718 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1471,14 +1471,17 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
if (!tun)
return -EBADFD;
- if (flags & ~(MSG_DONTWAIT|MSG_TRUNC))
- return -EINVAL;
+ if (flags & ~(MSG_DONTWAIT|MSG_TRUNC)) {
+ ret = -EINVAL;
+ goto out;
+ }
ret = tun_do_read(tun, tfile, iocb, m->msg_iov, total_len,
flags & MSG_DONTWAIT);
if (ret > total_len) {
m->msg_flags |= MSG_TRUNC;
ret = flags & MSG_TRUNC ? ret : total_len;
}
+out:
tun_put(tun);
return ret;
}
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index f7f623a5390..577c72d5f36 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -100,6 +100,9 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
rx->size);
kfree_skb(rx->ax_skb);
+ rx->ax_skb = NULL;
+ rx->size = 0U;
+
return 0;
}
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 57136dc1b88..299c53ba4e0 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -615,6 +615,13 @@ static const struct usb_device_id products [] = {
.driver_info = 0,
},
+/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
/* AnyDATA ADU960S - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 2a3579f6791..a7cafe4a139 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -496,6 +496,13 @@ static const struct usb_device_id products[] = {
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
+ { /* Dell Wireless 5804 (Novatel E371) */
+ USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&qmi_wwan_info,
+ },
{ /* ADU960S */
USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a,
USB_CLASS_COMM,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 988372d218a..e509c370f83 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1308,6 +1308,7 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_node *an = (struct ath_node *) sta->drv_priv;
struct ieee80211_key_conf ps_key = { };
+ int key;
ath_node_attach(sc, sta, vif);
@@ -1315,7 +1316,9 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
vif->type != NL80211_IFTYPE_AP_VLAN)
return 0;
- an->ps_key = ath_key_config(common, vif, sta, &ps_key);
+ key = ath_key_config(common, vif, sta, &ps_key);
+ if (key > 0)
+ an->ps_key = key;
return 0;
}
@@ -1332,6 +1335,7 @@ static void ath9k_del_ps_key(struct ath_softc *sc,
return;
ath_key_delete(common, &ps_key);
+ an->ps_key = 0;
}
static int ath9k_sta_remove(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 122146943bf..ee3d6403c79 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1733,6 +1733,25 @@ drop_recycle_buffer:
sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize);
}
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring)
+{
+ int current_slot, previous_slot;
+
+ B43_WARN_ON(ring->tx);
+
+ /* Device has filled all buffers, drop all packets and let TCP
+ * decrease speed.
+ * Decrement RX index by one will let the device to see all slots
+ * as free again
+ */
+ /*
+ *TODO: How to increase rx_drop in mac80211?
+ */
+ current_slot = ring->ops->get_current_rxslot(ring);
+ previous_slot = prev_slot(ring, current_slot);
+ ring->ops->set_current_rxslot(ring, previous_slot);
+}
+
void b43_dma_rx(struct b43_dmaring *ring)
{
const struct b43_dma_ops *ops = ring->ops;
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index 9fdd1983079..df8c8cdcbdb 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -9,7 +9,7 @@
/* DMA-Interrupt reasons. */
#define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \
| (1 << 14) | (1 << 15))
-#define B43_DMAIRQ_NONFATALMASK (1 << 13)
+#define B43_DMAIRQ_RDESC_UFLOW (1 << 13)
#define B43_DMAIRQ_RX_DONE (1 << 16)
/*** 32-bit DMA Engine. ***/
@@ -295,6 +295,8 @@ int b43_dma_tx(struct b43_wldev *dev,
void b43_dma_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring);
+
void b43_dma_rx(struct b43_dmaring *ring);
void b43_dma_direct_fifo_rx(struct b43_wldev *dev,
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 05682736e46..64b637a8b5b 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1895,30 +1895,18 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
}
}
- if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
- B43_DMAIRQ_NONFATALMASK))) {
- if (merged_dma_reason & B43_DMAIRQ_FATALMASK) {
- b43err(dev->wl, "Fatal DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- b43err(dev->wl, "This device does not support DMA "
+ if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) {
+ b43err(dev->wl,
+ "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n",
+ dma_reason[0], dma_reason[1],
+ dma_reason[2], dma_reason[3],
+ dma_reason[4], dma_reason[5]);
+ b43err(dev->wl, "This device does not support DMA "
"on your system. It will now be switched to PIO.\n");
- /* Fall back to PIO transfers if we get fatal DMA errors! */
- dev->use_pio = true;
- b43_controller_restart(dev, "DMA error");
- return;
- }
- if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
- b43err(dev->wl, "DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- }
+ /* Fall back to PIO transfers if we get fatal DMA errors! */
+ dev->use_pio = true;
+ b43_controller_restart(dev, "DMA error");
+ return;
}
if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
@@ -1937,6 +1925,11 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
handle_irq_noise(dev);
/* Check the DMA reason registers for received data. */
+ if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) {
+ if (B43_DEBUG)
+ b43warn(dev->wl, "RX descriptor underrun\n");
+ b43_dma_handle_rx_overflow(dev->dma.rx_ring);
+ }
if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
if (b43_using_pio_transfers(dev))
b43_pio_rx(dev->pio.rx_queue);
@@ -1994,7 +1987,7 @@ static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
return IRQ_NONE;
dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
- & 0x0001DC00;
+ & 0x0001FC00;
dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
& 0x0000DC00;
dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
@@ -3126,7 +3119,7 @@ static int b43_chip_init(struct b43_wldev *dev)
b43_write32(dev, 0x018C, 0x02000000);
}
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
- b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
+ b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00);
b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 7941eb3a016..cbaa777dc03 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5740,8 +5740,7 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length)
hw->flags =
IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC | IEEE80211_HW_SPECTRUM_MGMT |
- IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS |
- IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
+ IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
if (il->cfg->sku & IL_SKU_N)
hw->flags |=
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
index 20806cae11b..81d4071130c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
@@ -2237,15 +2237,15 @@ static ssize_t iwl_dbgfs_log_event_read(struct file *file,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
- char *buf;
- int pos = 0;
- ssize_t ret = -ENOMEM;
+ char *buf = NULL;
+ ssize_t ret;
- ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
- if (buf) {
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- }
+ ret = iwl_dump_nic_event_log(priv, true, &buf, true);
+ if (ret < 0)
+ goto err;
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+err:
+ kfree(buf);
return ret;
}
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index b775769f832..db183b44e03 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -695,6 +695,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv,
void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
struct iwl_addsta_cmd sta_cmd;
+ static const struct iwl_link_quality_cmd zero_lq = {};
struct iwl_link_quality_cmd lq;
int i;
bool found = false;
@@ -733,7 +734,9 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
else
memcpy(&lq, priv->stations[i].lq,
sizeof(struct iwl_link_quality_cmd));
- send_lq = true;
+
+ if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+ send_lq = true;
}
spin_unlock_bh(&priv->sta_lock);
ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 8aaf56ade4d..c13f6e9e52f 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -2280,9 +2280,6 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
if (wdev->netdev->reg_state == NETREG_REGISTERED)
unregister_netdevice(wdev->netdev);
- if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
- free_netdev(wdev->netdev);
-
/* Clear the priv in adapter */
priv->netdev = NULL;
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index b5c8b962ce1..aeade10b9d5 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1176,6 +1176,7 @@ mwifiex_process_hs_config(struct mwifiex_adapter *adapter)
adapter->if_ops.wakeup(adapter);
adapter->hs_activated = false;
adapter->is_hs_configured = false;
+ adapter->is_suspended = false;
mwifiex_hs_activated_event(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY),
false);
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 9c802ede9c3..6d9bc63d6dd 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -646,6 +646,7 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv,
struct net_device *dev)
{
dev->netdev_ops = &mwifiex_netdev_ops;
+ dev->destructor = free_netdev;
/* Initialize private structure */
priv->current_key_index = 0;
priv->media_connected = false;
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index feb20461339..f024fb072dd 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -2281,9 +2281,9 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter)
if (pdev) {
pci_iounmap(pdev, card->pci_mmap);
pci_iounmap(pdev, card->pci_mmap1);
-
- pci_release_regions(pdev);
pci_disable_device(pdev);
+ pci_release_region(pdev, 2);
+ pci_release_region(pdev, 0);
pci_set_drvdata(pdev, NULL);
}
}
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 13100f8de3d..fb420fe0ec0 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -99,7 +99,7 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
- if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
+ if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
dev_dbg(priv->adapter->dev,
"info: Enabling All Multicast!\n");
priv->curr_pkt_filter |=
@@ -111,20 +111,11 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
dev_dbg(priv->adapter->dev,
"info: Set multicast list=%d\n",
mcast_list->num_multicast_addr);
- /* Set multicast addresses to firmware */
- if (old_pkt_filter == priv->curr_pkt_filter) {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- } else {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- }
+ /* Send multicast addresses to firmware */
+ ret = mwifiex_send_cmd_async(priv,
+ HostCmd_CMD_MAC_MULTICAST_ADR,
+ HostCmd_ACT_GEN_SET, 0,
+ mcast_list);
}
}
}
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index a658b4bc7da..92849e5cf65 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4436,6 +4436,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
if (!rt2x00_rt(rt2x00dev, RT5390) &&
!rt2x00_rt(rt2x00dev, RT5392)) {
+ u8 min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
+
rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
if (rt2x00_rt(rt2x00dev, RT3070) ||
@@ -4446,8 +4448,10 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
&rt2x00dev->cap_flags))
rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
}
- rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
- drv_data->txmixer_gain_24g);
+ if (drv_data->txmixer_gain_24g >= min_gain) {
+ rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
+ drv_data->txmixer_gain_24g);
+ }
rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
}
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index f802e7c9235..2dacd19e1b8 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -345,7 +345,7 @@ int ntb_read_remote_spad(struct ntb_device *ndev, unsigned int idx, u32 *val)
*/
void __iomem *ntb_get_mw_vbase(struct ntb_device *ndev, unsigned int mw)
{
- if (mw > NTB_NUM_MW)
+ if (mw >= NTB_NUM_MW)
return NULL;
return ndev->mw[mw].vbase;
@@ -362,7 +362,7 @@ void __iomem *ntb_get_mw_vbase(struct ntb_device *ndev, unsigned int mw)
*/
resource_size_t ntb_get_mw_size(struct ntb_device *ndev, unsigned int mw)
{
- if (mw > NTB_NUM_MW)
+ if (mw >= NTB_NUM_MW)
return 0;
return ndev->mw[mw].bar_sz;
@@ -380,7 +380,7 @@ resource_size_t ntb_get_mw_size(struct ntb_device *ndev, unsigned int mw)
*/
void ntb_set_mw_addr(struct ntb_device *ndev, unsigned int mw, u64 addr)
{
- if (mw > NTB_NUM_MW)
+ if (mw >= NTB_NUM_MW)
return;
dev_dbg(&ndev->pdev->dev, "Writing addr %Lx to BAR %d\n", addr,
@@ -1027,8 +1027,8 @@ static int ntb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ndev->mw[i].vbase =
ioremap_wc(pci_resource_start(pdev, MW_TO_BAR(i)),
ndev->mw[i].bar_sz);
- dev_info(&pdev->dev, "MW %d size %d\n", i,
- (u32) pci_resource_len(pdev, MW_TO_BAR(i)));
+ dev_info(&pdev->dev, "MW %d size %llu\n", i,
+ pci_resource_len(pdev, MW_TO_BAR(i)));
if (!ndev->mw[i].vbase) {
dev_warn(&pdev->dev, "Cannot remap BAR %d\n",
MW_TO_BAR(i));
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index e0bdfd7f993..f8d7081ee30 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -58,7 +58,7 @@
#include <linux/ntb.h>
#include "ntb_hw.h"
-#define NTB_TRANSPORT_VERSION 2
+#define NTB_TRANSPORT_VERSION 3
static unsigned int transport_mtu = 0x401E;
module_param(transport_mtu, uint, 0644);
@@ -173,10 +173,13 @@ struct ntb_payload_header {
enum {
VERSION = 0,
- MW0_SZ,
- MW1_SZ,
- NUM_QPS,
QP_LINKS,
+ NUM_QPS,
+ NUM_MWS,
+ MW0_SZ_HIGH,
+ MW0_SZ_LOW,
+ MW1_SZ_HIGH,
+ MW1_SZ_LOW,
MAX_SPAD,
};
@@ -297,7 +300,7 @@ int ntb_register_client_dev(char *device_name)
{
struct ntb_transport_client_dev *client_dev;
struct ntb_transport *nt;
- int rc;
+ int rc, i = 0;
if (list_empty(&ntb_transport_list))
return -ENODEV;
@@ -315,7 +318,7 @@ int ntb_register_client_dev(char *device_name)
dev = &client_dev->dev;
/* setup and register client devices */
- dev_set_name(dev, "%s", device_name);
+ dev_set_name(dev, "%s%d", device_name, i);
dev->bus = &ntb_bus_type;
dev->release = ntb_client_release;
dev->parent = &ntb_query_pdev(nt->ndev)->dev;
@@ -327,6 +330,7 @@ int ntb_register_client_dev(char *device_name)
}
list_add_tail(&client_dev->entry, &nt->client_devs);
+ i++;
}
return 0;
@@ -486,12 +490,13 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt,
(qp_num / NTB_NUM_MW * rx_size);
rx_size -= sizeof(struct ntb_rx_info);
- qp->rx_buff = qp->remote_rx_info + sizeof(struct ntb_rx_info);
- qp->rx_max_frame = min(transport_mtu, rx_size);
+ qp->rx_buff = qp->remote_rx_info + 1;
+ /* Due to housekeeping, there must be atleast 2 buffs */
+ qp->rx_max_frame = min(transport_mtu, rx_size / 2);
qp->rx_max_entry = rx_size / qp->rx_max_frame;
qp->rx_index = 0;
- qp->remote_rx_info->entry = qp->rx_max_entry;
+ qp->remote_rx_info->entry = qp->rx_max_entry - 1;
/* setup the hdr offsets with 0's */
for (i = 0; i < qp->rx_max_entry; i++) {
@@ -502,6 +507,19 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt,
qp->rx_pkts = 0;
qp->tx_pkts = 0;
+ qp->tx_index = 0;
+}
+
+static void ntb_free_mw(struct ntb_transport *nt, int num_mw)
+{
+ struct ntb_transport_mw *mw = &nt->mw[num_mw];
+ struct pci_dev *pdev = ntb_query_pdev(nt->ndev);
+
+ if (!mw->virt_addr)
+ return;
+
+ dma_free_coherent(&pdev->dev, mw->size, mw->virt_addr, mw->dma_addr);
+ mw->virt_addr = NULL;
}
static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size)
@@ -509,12 +527,20 @@ static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size)
struct ntb_transport_mw *mw = &nt->mw[num_mw];
struct pci_dev *pdev = ntb_query_pdev(nt->ndev);
+ /* No need to re-setup */
+ if (mw->size == ALIGN(size, 4096))
+ return 0;
+
+ if (mw->size != 0)
+ ntb_free_mw(nt, num_mw);
+
/* Alloc memory for receiving data. Must be 4k aligned */
mw->size = ALIGN(size, 4096);
mw->virt_addr = dma_alloc_coherent(&pdev->dev, mw->size, &mw->dma_addr,
GFP_KERNEL);
if (!mw->virt_addr) {
+ mw->size = 0;
dev_err(&pdev->dev, "Unable to allocate MW buffer of size %d\n",
(int) mw->size);
return -ENOMEM;
@@ -604,25 +630,31 @@ static void ntb_transport_link_work(struct work_struct *work)
u32 val;
int rc, i;
- /* send the local info */
- rc = ntb_write_remote_spad(ndev, VERSION, NTB_TRANSPORT_VERSION);
- if (rc) {
- dev_err(&pdev->dev, "Error writing %x to remote spad %d\n",
- 0, VERSION);
- goto out;
- }
+ /* send the local info, in the opposite order of the way we read it */
+ for (i = 0; i < NTB_NUM_MW; i++) {
+ rc = ntb_write_remote_spad(ndev, MW0_SZ_HIGH + (i * 2),
+ ntb_get_mw_size(ndev, i) >> 32);
+ if (rc) {
+ dev_err(&pdev->dev, "Error writing %u to remote spad %d\n",
+ (u32)(ntb_get_mw_size(ndev, i) >> 32),
+ MW0_SZ_HIGH + (i * 2));
+ goto out;
+ }
- rc = ntb_write_remote_spad(ndev, MW0_SZ, ntb_get_mw_size(ndev, 0));
- if (rc) {
- dev_err(&pdev->dev, "Error writing %x to remote spad %d\n",
- (u32) ntb_get_mw_size(ndev, 0), MW0_SZ);
- goto out;
+ rc = ntb_write_remote_spad(ndev, MW0_SZ_LOW + (i * 2),
+ (u32) ntb_get_mw_size(ndev, i));
+ if (rc) {
+ dev_err(&pdev->dev, "Error writing %u to remote spad %d\n",
+ (u32) ntb_get_mw_size(ndev, i),
+ MW0_SZ_LOW + (i * 2));
+ goto out;
+ }
}
- rc = ntb_write_remote_spad(ndev, MW1_SZ, ntb_get_mw_size(ndev, 1));
+ rc = ntb_write_remote_spad(ndev, NUM_MWS, NTB_NUM_MW);
if (rc) {
dev_err(&pdev->dev, "Error writing %x to remote spad %d\n",
- (u32) ntb_get_mw_size(ndev, 1), MW1_SZ);
+ NTB_NUM_MW, NUM_MWS);
goto out;
}
@@ -633,16 +665,10 @@ static void ntb_transport_link_work(struct work_struct *work)
goto out;
}
- rc = ntb_read_local_spad(nt->ndev, QP_LINKS, &val);
- if (rc) {
- dev_err(&pdev->dev, "Error reading spad %d\n", QP_LINKS);
- goto out;
- }
-
- rc = ntb_write_remote_spad(ndev, QP_LINKS, val);
+ rc = ntb_write_remote_spad(ndev, VERSION, NTB_TRANSPORT_VERSION);
if (rc) {
dev_err(&pdev->dev, "Error writing %x to remote spad %d\n",
- val, QP_LINKS);
+ NTB_TRANSPORT_VERSION, VERSION);
goto out;
}
@@ -667,33 +693,43 @@ static void ntb_transport_link_work(struct work_struct *work)
goto out;
dev_dbg(&pdev->dev, "Remote max number of qps = %d\n", val);
- rc = ntb_read_remote_spad(ndev, MW0_SZ, &val);
+ rc = ntb_read_remote_spad(ndev, NUM_MWS, &val);
if (rc) {
- dev_err(&pdev->dev, "Error reading remote spad %d\n", MW0_SZ);
+ dev_err(&pdev->dev, "Error reading remote spad %d\n", NUM_MWS);
goto out;
}
- if (!val)
+ if (val != NTB_NUM_MW)
goto out;
- dev_dbg(&pdev->dev, "Remote MW0 size = %d\n", val);
+ dev_dbg(&pdev->dev, "Remote number of mws = %d\n", val);
- rc = ntb_set_mw(nt, 0, val);
- if (rc)
- goto out;
+ for (i = 0; i < NTB_NUM_MW; i++) {
+ u64 val64;
- rc = ntb_read_remote_spad(ndev, MW1_SZ, &val);
- if (rc) {
- dev_err(&pdev->dev, "Error reading remote spad %d\n", MW1_SZ);
- goto out;
- }
+ rc = ntb_read_remote_spad(ndev, MW0_SZ_HIGH + (i * 2), &val);
+ if (rc) {
+ dev_err(&pdev->dev, "Error reading remote spad %d\n",
+ MW0_SZ_HIGH + (i * 2));
+ goto out1;
+ }
- if (!val)
- goto out;
- dev_dbg(&pdev->dev, "Remote MW1 size = %d\n", val);
+ val64 = (u64) val << 32;
- rc = ntb_set_mw(nt, 1, val);
- if (rc)
- goto out;
+ rc = ntb_read_remote_spad(ndev, MW0_SZ_LOW + (i * 2), &val);
+ if (rc) {
+ dev_err(&pdev->dev, "Error reading remote spad %d\n",
+ MW0_SZ_LOW + (i * 2));
+ goto out1;
+ }
+
+ val64 |= val;
+
+ dev_dbg(&pdev->dev, "Remote MW%d size = %llu\n", i, val64);
+
+ rc = ntb_set_mw(nt, i, val64);
+ if (rc)
+ goto out1;
+ }
nt->transport_link = NTB_LINK_UP;
@@ -708,6 +744,9 @@ static void ntb_transport_link_work(struct work_struct *work)
return;
+out1:
+ for (i = 0; i < NTB_NUM_MW; i++)
+ ntb_free_mw(nt, i);
out:
if (ntb_hw_link_status(ndev))
schedule_delayed_work(&nt->link_work,
@@ -780,10 +819,10 @@ static void ntb_transport_init_queue(struct ntb_transport *nt,
(qp_num / NTB_NUM_MW * tx_size);
tx_size -= sizeof(struct ntb_rx_info);
- qp->tx_mw = qp->rx_info + sizeof(struct ntb_rx_info);
- qp->tx_max_frame = min(transport_mtu, tx_size);
+ qp->tx_mw = qp->rx_info + 1;
+ /* Due to housekeeping, there must be atleast 2 buffs */
+ qp->tx_max_frame = min(transport_mtu, tx_size / 2);
qp->tx_max_entry = tx_size / qp->tx_max_frame;
- qp->tx_index = 0;
if (nt->debugfs_dir) {
char debugfs_name[4];
@@ -897,10 +936,7 @@ void ntb_transport_free(void *transport)
pdev = ntb_query_pdev(nt->ndev);
for (i = 0; i < NTB_NUM_MW; i++)
- if (nt->mw[i].virt_addr)
- dma_free_coherent(&pdev->dev, nt->mw[i].size,
- nt->mw[i].virt_addr,
- nt->mw[i].dma_addr);
+ ntb_free_mw(nt, i);
kfree(nt->qps);
ntb_unregister_transport(nt->ndev);
@@ -999,11 +1035,16 @@ out:
static void ntb_transport_rx(unsigned long data)
{
struct ntb_transport_qp *qp = (struct ntb_transport_qp *)data;
- int rc;
+ int rc, i;
- do {
+ /* Limit the number of packets processed in a single interrupt to
+ * provide fairness to others
+ */
+ for (i = 0; i < qp->rx_max_entry; i++) {
rc = ntb_process_rxc(qp);
- } while (!rc);
+ if (rc)
+ break;
+ }
}
static void ntb_transport_rxc_db(void *data, int db_num)
@@ -1210,12 +1251,14 @@ EXPORT_SYMBOL_GPL(ntb_transport_create_queue);
*/
void ntb_transport_free_queue(struct ntb_transport_qp *qp)
{
- struct pci_dev *pdev = ntb_query_pdev(qp->ndev);
+ struct pci_dev *pdev;
struct ntb_queue_entry *entry;
if (!qp)
return;
+ pdev = ntb_query_pdev(qp->ndev);
+
cancel_delayed_work_sync(&qp->link_work);
ntb_unregister_db_callback(qp->ndev, qp->qp_num);
@@ -1371,12 +1414,13 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_up);
*/
void ntb_transport_link_down(struct ntb_transport_qp *qp)
{
- struct pci_dev *pdev = ntb_query_pdev(qp->ndev);
+ struct pci_dev *pdev;
int rc, val;
if (!qp)
return;
+ pdev = ntb_query_pdev(qp->ndev);
qp->client_ready = NTB_LINK_DOWN;
rc = ntb_read_local_spad(qp->ndev, QP_LINKS, &val);
@@ -1408,6 +1452,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_down);
*/
bool ntb_transport_link_query(struct ntb_transport_qp *qp)
{
+ if (!qp)
+ return false;
+
return qp->qp_link == NTB_LINK_UP;
}
EXPORT_SYMBOL_GPL(ntb_transport_link_query);
@@ -1422,6 +1469,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_link_query);
*/
unsigned char ntb_transport_qp_num(struct ntb_transport_qp *qp)
{
+ if (!qp)
+ return 0;
+
return qp->qp_num;
}
EXPORT_SYMBOL_GPL(ntb_transport_qp_num);
@@ -1436,6 +1486,9 @@ EXPORT_SYMBOL_GPL(ntb_transport_qp_num);
*/
unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp)
{
+ if (!qp)
+ return 0;
+
return qp->tx_max_frame - sizeof(struct ntb_payload_header);
}
EXPORT_SYMBOL_GPL(ntb_transport_max_size);
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 8647dc6f52d..f9c61fb802b 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -174,6 +174,7 @@ int pci_bus_add_device(struct pci_dev *dev)
* Can not put in pci_device_add yet because resources
* are not assigned yet for some devices.
*/
+ pci_fixup_device(pci_fixup_final, dev);
pci_create_sysfs_dev_files(dev);
dev->match_driver = true;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b099e0025d2..fc9bd81e8e3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -646,15 +646,11 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state)
error = platform_pci_set_power_state(dev, state);
if (!error)
pci_update_current_state(dev, state);
- /* Fall back to PCI_D0 if native PM is not supported */
- if (!dev->pm_cap)
- dev->current_state = PCI_D0;
- } else {
+ } else
error = -ENODEV;
- /* Fall back to PCI_D0 if native PM is not supported */
- if (!dev->pm_cap)
- dev->current_state = PCI_D0;
- }
+
+ if (error && !dev->pm_cap) /* Fall back to PCI_D0 */
+ dev->current_state = PCI_D0;
return error;
}
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b494066ef32..54277879124 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1339,7 +1339,6 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
list_add_tail(&dev->bus_list, &bus->devices);
up_write(&pci_bus_sem);
- pci_fixup_device(pci_fixup_final, dev);
ret = pcibios_add_device(dev);
WARN_ON(ret < 0);
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index e64a7a870d4..a8e43cf70fa 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -362,7 +362,8 @@ static int lis3lv02d_suspend(struct device *dev)
static int lis3lv02d_resume(struct device *dev)
{
- return lis3lv02d_poweron(&lis3_dev);
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
}
static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);
diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c
index 69a2d9eb34d..3223b57e8f9 100644
--- a/drivers/pwm/pwm-spear.c
+++ b/drivers/pwm/pwm-spear.c
@@ -143,7 +143,7 @@ static int spear_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
u32 val;
rc = clk_enable(pc->clk);
- if (!rc)
+ if (rc)
return rc;
val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR);
@@ -209,12 +209,12 @@ static int spear_pwm_probe(struct platform_device *pdev)
pc->chip.npwm = NUM_PWM;
ret = clk_prepare(pc->clk);
- if (!ret)
+ if (ret)
return ret;
if (of_device_is_compatible(np, "st,spear1340-pwm")) {
ret = clk_enable(pc->clk);
- if (!ret) {
+ if (ret) {
clk_unprepare(pc->clk);
return ret;
}
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index c6d77e20622..be6e1212562 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -6,6 +6,7 @@ config REMOTEPROC
depends on HAS_DMA
select FW_LOADER
select VIRTIO
+ select VIRTUALIZATION
config OMAP_REMOTEPROC
tristate "OMAP remoteproc support"
diff --git a/drivers/rpmsg/Kconfig b/drivers/rpmsg/Kconfig
index f6e0ea6ffda..69a21938758 100644
--- a/drivers/rpmsg/Kconfig
+++ b/drivers/rpmsg/Kconfig
@@ -4,5 +4,6 @@ menu "Rpmsg drivers"
config RPMSG
tristate
select VIRTIO
+ select VIRTUALIZATION
endmenu
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 79fbe3832df..9e95473180e 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -20,7 +20,6 @@ if RTC_CLASS
config RTC_HCTOSYS
bool "Set system time from RTC on startup and resume"
default y
- depends on !ALWAYS_USE_PERSISTENT_CLOCK
help
If you say yes here, the system time (wall clock) will be set using
the value read from a specified RTC device. This is useful to avoid
@@ -29,7 +28,6 @@ config RTC_HCTOSYS
config RTC_SYSTOHC
bool "Set the RTC time based on NTP synchronization"
default y
- depends on !ALWAYS_USE_PERSISTENT_CLOCK
help
If you say yes here, the system time (wall clock) will be stored
in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 434ebc3a99d..eebd8ac78e4 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -297,7 +297,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
"at91_rtc", pdev);
if (ret) {
dev_err(&pdev->dev, "IRQ %d already in use.\n", irq);
- return ret;
+ goto err_unmap;
}
/* cpu init code should really have flagged this device as
@@ -309,13 +309,20 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
rtc = rtc_device_register(pdev->name, &pdev->dev,
&at91_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
- free_irq(irq, pdev);
- return PTR_ERR(rtc);
+ ret = PTR_ERR(rtc);
+ goto err_free_irq;
}
platform_set_drvdata(pdev, rtc);
dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n");
return 0;
+
+err_free_irq:
+ free_irq(irq, pdev);
+err_unmap:
+ iounmap(at91_rtc_regs);
+
+ return ret;
}
/*
@@ -332,6 +339,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
free_irq(irq, pdev);
rtc_device_unregister(rtc);
+ iounmap(at91_rtc_regs);
platform_set_drvdata(pdev, NULL);
return 0;
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index af97c94e8a3..cc5bea9c4b1 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -804,9 +804,8 @@ static int cmos_suspend(struct device *dev)
mask = RTC_IRQMASK;
tmp &= ~mask;
CMOS_WRITE(tmp, RTC_CONTROL);
+ hpet_mask_rtc_irq_bit(mask);
- /* shut down hpet emulation - we don't need it for alarm */
- hpet_mask_rtc_irq_bit(RTC_PIE|RTC_AIE|RTC_UIE);
cmos_checkintr(cmos, tmp);
}
spin_unlock_irq(&rtc_lock);
@@ -870,6 +869,7 @@ static int cmos_resume(struct device *dev)
rtc_update_irq(cmos->rtc, 1, mask);
tmp &= ~RTC_AIE;
hpet_mask_rtc_irq_bit(RTC_AIE);
+ hpet_rtc_timer_init();
} while (mask & RTC_AIE);
spin_unlock_irq(&rtc_lock);
}
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 02b742afa76..6dd6b38b0b4 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -265,6 +265,7 @@ static int pcf2123_probe(struct spi_device *spi)
if (!(rxbuf[0] & 0x20)) {
dev_err(&spi->dev, "chip not found\n");
+ ret = -ENODEV;
goto kfree_exit;
}
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index cd798386b62..178836ec252 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -561,6 +561,8 @@ static void __init sclp_add_standby_memory(void)
add_memory_merged(0);
}
+#define MEM_SCT_SIZE (1UL << SECTION_SIZE_BITS)
+
static void __init insert_increment(u16 rn, int standby, int assigned)
{
struct memory_increment *incr, *new_incr;
@@ -573,7 +575,7 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
new_incr->rn = rn;
new_incr->standby = standby;
if (!standby)
- new_incr->usecount = 1;
+ new_incr->usecount = rzm > MEM_SCT_SIZE ? rzm/MEM_SCT_SIZE : 1;
last_rn = 0;
prev = &sclp_mem_list;
list_for_each_entry(incr, &sclp_mem_list, list) {
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7992635d405..82910cc69ba 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -142,6 +142,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
char *buffer_data;
struct scsi_mode_data data;
struct scsi_sense_hdr sshdr;
+ const char *temp = "temporary ";
int len;
if (sdp->type != TYPE_DISK)
@@ -150,6 +151,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
* it's not worth the risk */
return -EINVAL;
+ if (strncmp(buf, temp, sizeof(temp) - 1) == 0) {
+ buf += sizeof(temp) - 1;
+ sdkp->cache_override = 1;
+ } else {
+ sdkp->cache_override = 0;
+ }
+
for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) {
len = strlen(sd_cache_types[i]);
if (strncmp(sd_cache_types[i], buf, len) == 0 &&
@@ -162,6 +170,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
return -EINVAL;
rcd = ct & 0x01 ? 1 : 0;
wce = ct & 0x02 ? 1 : 0;
+
+ if (sdkp->cache_override) {
+ sdkp->WCE = wce;
+ sdkp->RCD = rcd;
+ return count;
+ }
+
if (scsi_mode_sense(sdp, 0x08, 8, buffer, sizeof(buffer), SD_TIMEOUT,
SD_MAX_RETRIES, &data, NULL))
return -EINVAL;
@@ -2319,6 +2334,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
int old_rcd = sdkp->RCD;
int old_dpofua = sdkp->DPOFUA;
+
+ if (sdkp->cache_override)
+ return;
+
first_len = 4;
if (sdp->skip_ms_page_8) {
if (sdp->type == TYPE_RBC)
@@ -2812,6 +2831,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
sdkp->capacity = 0;
sdkp->media_present = 1;
sdkp->write_prot = 0;
+ sdkp->cache_override = 0;
sdkp->WCE = 0;
sdkp->RCD = 0;
sdkp->ATO = 0;
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 74a1e4ca540..2386aeb41fe 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -73,6 +73,7 @@ struct scsi_disk {
u8 protection_type;/* Data Integrity Field */
u8 provisioning_mode;
unsigned ATO : 1; /* state of disk ATO bit */
+ unsigned cache_override : 1; /* temp override of WCE,RCD */
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
diff --git a/drivers/staging/zsmalloc/Kconfig b/drivers/staging/zsmalloc/Kconfig
index 90845656579..7fab032298f 100644
--- a/drivers/staging/zsmalloc/Kconfig
+++ b/drivers/staging/zsmalloc/Kconfig
@@ -1,5 +1,5 @@
config ZSMALLOC
- tristate "Memory allocator for compressed pages"
+ bool "Memory allocator for compressed pages"
default n
help
zsmalloc is a slab-based memory allocator designed to store
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index e78d262c524..324e123335d 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -656,11 +656,8 @@ static inline void __zs_unmap_object(struct mapping_area *area,
struct page *pages[2], int off, int size)
{
unsigned long addr = (unsigned long)area->vm_addr;
- unsigned long end = addr + (PAGE_SIZE * 2);
- flush_cache_vunmap(addr, end);
- unmap_kernel_range_noflush(addr, PAGE_SIZE * 2);
- flush_tlb_kernel_range(addr, end);
+ unmap_kernel_range(addr, PAGE_SIZE * 2);
}
#else /* USE_PGTABLE_MAPPING */
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 0b52a237130..805f3d26c4e 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -819,7 +819,7 @@ static int iscsit_attach_ooo_cmdsn(
/*
* CmdSN is greater than the tail of the list.
*/
- if (ooo_tail->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tail->cmdsn, ooo_cmdsn->cmdsn))
list_add_tail(&ooo_cmdsn->ooo_list,
&sess->sess_ooo_cmdsn_list);
else {
@@ -829,11 +829,12 @@ static int iscsit_attach_ooo_cmdsn(
*/
list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list,
ooo_list) {
- if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tmp->cmdsn, ooo_cmdsn->cmdsn))
continue;
+ /* Insert before this entry */
list_add(&ooo_cmdsn->ooo_list,
- &ooo_tmp->ooo_list);
+ ooo_tmp->ooo_list.prev);
break;
}
}
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 17a6acbc3ab..ca4b2193e05 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -148,13 +148,8 @@ static int fd_configure_device(struct se_device *dev)
*/
inode = file->f_mapping->host;
if (S_ISBLK(inode->i_mode)) {
- struct request_queue *q = bdev_get_queue(inode->i_bdev);
unsigned long long dev_size;
- dev->dev_attrib.hw_block_size =
- bdev_logical_block_size(inode->i_bdev);
- dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
-
/*
* Determine the number of bytes from i_size_read() minus
* one (1) logical sector from underlying struct block_device
@@ -173,13 +168,12 @@ static int fd_configure_device(struct se_device *dev)
" block_device\n");
goto fail;
}
-
- dev->dev_attrib.hw_block_size = FD_BLOCKSIZE;
- dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
}
fd_dev->fd_block_size = dev->dev_attrib.hw_block_size;
+ dev->dev_attrib.hw_block_size = FD_BLOCKSIZE;
+ dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 8bcc514ec8b..e1af9d54112 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -679,6 +679,8 @@ iblock_execute_rw(struct se_cmd *cmd)
rw = WRITE_FUA;
else if (!(q->flush_flags & REQ_FLUSH))
rw = WRITE_FUA;
+ else
+ rw = WRITE;
} else {
rw = WRITE;
}
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3243ea790ea..0d4627648b5 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2213,21 +2213,19 @@ static void target_release_cmd_kref(struct kref *kref)
{
struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref);
struct se_session *se_sess = se_cmd->se_sess;
- unsigned long flags;
- spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
if (list_empty(&se_cmd->se_cmd_list)) {
- spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ spin_unlock(&se_sess->sess_cmd_lock);
se_cmd->se_tfo->release_cmd(se_cmd);
return;
}
if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) {
- spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ spin_unlock(&se_sess->sess_cmd_lock);
complete(&se_cmd->cmd_wait_comp);
return;
}
list_del(&se_cmd->se_cmd_list);
- spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ spin_unlock(&se_sess->sess_cmd_lock);
se_cmd->se_tfo->release_cmd(se_cmd);
}
@@ -2238,7 +2236,8 @@ static void target_release_cmd_kref(struct kref *kref)
*/
int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
{
- return kref_put(&se_cmd->cmd_kref, target_release_cmd_kref);
+ return kref_put_spinlock_irqsave(&se_cmd->cmd_kref, target_release_cmd_kref,
+ &se_sess->sess_cmd_lock);
}
EXPORT_SYMBOL(target_put_sess_cmd);
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index c24b4db243b..125e0fd0674 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -682,6 +682,9 @@ static int ptmx_open(struct inode *inode, struct file *filp)
nonseekable_open(inode, filp);
+ /* We refuse fsnotify events on ptmx, since it's a shared resource */
+ filp->f_mode |= FMODE_NONOTIFY;
+
retval = tty_alloc_file(filp);
if (retval)
return retval;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index a400002dfa8..8fbb6d22cdc 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1941,6 +1941,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
mutex_unlock(&port->mutex);
return 0;
}
+ put_device(tty_dev);
+
if (console_suspend_enabled || !uart_console(uport))
uport->suspended = 1;
@@ -2006,9 +2008,11 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
disable_irq_wake(uport->irq);
uport->irq_wake = 0;
}
+ put_device(tty_dev);
mutex_unlock(&port->mutex);
return 0;
}
+ put_device(tty_dev);
uport->suspended = 0;
/*
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index b0452688308..a9cd0b9353d 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -941,10 +941,10 @@ void start_tty(struct tty_struct *tty)
EXPORT_SYMBOL(start_tty);
+/* We limit tty time update visibility to every 8 seconds or so. */
static void tty_update_time(struct timespec *time)
{
- unsigned long sec = get_seconds();
- sec -= sec % 60;
+ unsigned long sec = get_seconds() & ~7;
if ((long)(sec - time->tv_sec) > 0)
time->tv_sec = sec;
}
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index f64fbea1cf2..d86333b8c43 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -461,6 +461,8 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
mReq->ptr->page[i] =
(mReq->req.dma + i * CI13XXX_PAGE_SIZE) & ~TD_RESERVED_MASK;
+ wmb();
+
if (!list_empty(&mEp->qh.queue)) {
struct ci13xxx_req *mReqPrev;
int n = hw_ep_bit(mEp->num, mEp->dir);
@@ -561,6 +563,12 @@ __acquires(mEp->lock)
struct ci13xxx_req *mReq = \
list_entry(mEp->qh.queue.next,
struct ci13xxx_req, queue);
+
+ if (mReq->zptr) {
+ dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma);
+ mReq->zptr = NULL;
+ }
+
list_del_init(&mReq->queue);
mReq->req.status = -ESHUTDOWN;
diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h
index 4ff2384d7ca..d12e8b59b11 100644
--- a/drivers/usb/chipidea/udc.h
+++ b/drivers/usb/chipidea/udc.h
@@ -40,7 +40,7 @@ struct ci13xxx_td {
#define TD_CURR_OFFSET (0x0FFFUL << 0)
#define TD_FRAME_NUM (0x07FFUL << 0)
#define TD_RESERVED_MASK (0x0FFFUL << 0)
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
/* DMA layout of queue heads */
struct ci13xxx_qh {
@@ -57,7 +57,7 @@ struct ci13xxx_qh {
/* 9 */
u32 RESERVED;
struct usb_ctrlrequest setup;
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
/**
* struct ci13xxx_req - usb request representation
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 8823e98989f..caefc800f29 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -739,6 +739,8 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
index &= 0xff;
switch (requesttype & USB_RECIP_MASK) {
case USB_RECIP_ENDPOINT:
+ if ((index & ~USB_DIR_IN) == 0)
+ return 0;
ret = findintfep(ps->dev, index);
if (ret >= 0)
ret = checkintf(ps, ret);
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 416a6dce5e1..83b5a172592 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -670,9 +670,6 @@ int ehci_setup(struct usb_hcd *hcd)
if (retval)
return retval;
- if (ehci_is_TDI(ehci))
- tdi_reset(ehci);
-
ehci_reset(ehci);
return 0;
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 0fc6e5fc745..ba6a5d6e618 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -63,6 +63,7 @@ static const struct usb_device_id appledisplay_table[] = {
{ APPLEDISPLAY_DEVICE(0x9219) },
{ APPLEDISPLAY_DEVICE(0x921c) },
{ APPLEDISPLAY_DEVICE(0x921d) },
+ { APPLEDISPLAY_DEVICE(0x9236) },
/* Terminating entry */
{ }
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 9886180e45f..be2dcb036a5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -189,6 +189,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
@@ -870,7 +871,9 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
+ { USB_DEVICE(ST_VID, ST_STMCLT_2232_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(ST_VID, ST_STMCLT_4232_PID),
.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
@@ -1792,20 +1795,24 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
}
/*
- * First and second port on STMCLiteadaptors is reserved for JTAG interface
- * and the forth port for pio
+ * First two ports on JTAG adaptors using an FT4232 such as STMicroelectronics's
+ * ST Micro Connect Lite are reserved for JTAG or other non-UART interfaces and
+ * can be accessed from userspace.
+ * The next two ports are enabled as UARTs by default, where port 2 is
+ * a conventional RS-232 UART.
*/
static int ftdi_stmclite_probe(struct usb_serial *serial)
{
struct usb_device *udev = serial->dev;
struct usb_interface *interface = serial->interface;
- if (interface == udev->actconfig->interface[2])
- return 0;
-
- dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+ if (interface == udev->actconfig->interface[0] ||
+ interface == udev->actconfig->interface[1]) {
+ dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+ return -ENODEV;
+ }
- return -ENODEV;
+ return 0;
}
/*
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e79861eeed4..98528270c43 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -74,6 +74,7 @@
#define FTDI_OPENDCC_THROTTLE_PID 0xBFDA
#define FTDI_OPENDCC_GATEWAY_PID 0xBFDB
#define FTDI_OPENDCC_GBM_PID 0xBFDC
+#define FTDI_OPENDCC_GBM_BOOST_PID 0xBFDD
/* NZR SEM 16+ USB (http://www.nzr.de) */
#define FTDI_NZR_SEM_USB_PID 0xC1E0 /* NZR SEM-LOG16+ */
@@ -1150,7 +1151,8 @@
* STMicroelectonics
*/
#define ST_VID 0x0483
-#define ST_STMCLT1030_PID 0x3747 /* ST Micro Connect Lite STMCLT1030 */
+#define ST_STMCLT_2232_PID 0x3746
+#define ST_STMCLT_4232_PID 0x3747
/*
* Papouch products (http://www.papouch.com/)
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 7777172206d..38f2489b289 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2392,7 +2392,7 @@ static int get_serial_info(struct edgeport_port *edge_port,
cwait = edge_port->port->port.closing_wait;
if (cwait != ASYNC_CLOSING_WAIT_NONE)
- cwait = jiffies_to_msecs(closing_wait) / 10;
+ cwait = jiffies_to_msecs(cwait) / 10;
memset(&tmp, 0, sizeof(tmp));
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 558adfc0500..bff059a19e2 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -347,6 +347,7 @@ static void option_instat_callback(struct urb *urb);
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
#define OLIVETTI_PRODUCT_OLICARD100 0xc000
+#define OLIVETTI_PRODUCT_OLICARD145 0xc003
/* Celot products */
#define CELOT_VENDOR_ID 0x211f
@@ -1273,6 +1274,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
@@ -1350,6 +1352,12 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x02, 0x01) }, /* D-Link DWM-156 (variant) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x00, 0x00) }, /* D-Link DWM-156 (variant) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x02, 0x01) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c
index 070b5c0ebbf..d9440882cdc 100644
--- a/drivers/usb/storage/cypress_atacb.c
+++ b/drivers/usb/storage/cypress_atacb.c
@@ -248,14 +248,26 @@ static int cypress_probe(struct usb_interface *intf,
{
struct us_data *us;
int result;
+ struct usb_device *device;
result = usb_stor_probe1(&us, intf, id,
(id - cypress_usb_ids) + cypress_unusual_dev_list);
if (result)
return result;
- us->protocol_name = "Transparent SCSI with Cypress ATACB";
- us->proto_handler = cypress_atacb_passthrough;
+ /* Among CY7C68300 chips, the A revision does not support Cypress ATACB
+ * Filter out this revision from EEPROM default descriptor values
+ */
+ device = interface_to_usbdev(intf);
+ if (device->descriptor.iManufacturer != 0x38 ||
+ device->descriptor.iProduct != 0x4e ||
+ device->descriptor.iSerialNumber != 0x64) {
+ us->protocol_name = "Transparent SCSI with Cypress ATACB";
+ us->proto_handler = cypress_atacb_passthrough;
+ } else {
+ us->protocol_name = "Transparent SCSI";
+ us->proto_handler = usb_stor_transparent_scsi_command;
+ }
result = usb_stor_probe2(us);
return result;
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 3cd67592782..a92783e480e 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc)
finished:
fbcon_free_font(p, free_font);
+ if (free_font)
+ vc->vc_font.data = NULL;
if (!con_is_bound(&fb_con))
fbcon_exit();
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 08b48bbf9f4..faf4e189fe4 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -523,6 +523,7 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
int err, devno;
if (watchdog->id == 0) {
+ old_wdd = watchdog;
watchdog_miscdev.parent = watchdog->parent;
err = misc_register(&watchdog_miscdev);
if (err != 0) {
@@ -531,9 +532,9 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
if (err == -EBUSY)
pr_err("%s: a legacy watchdog module is probably present.\n",
watchdog->info->identity);
+ old_wdd = NULL;
return err;
}
- old_wdd = watchdog;
}
/* Fill in the data structures */
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index 01443ce43ee..13ddec92341 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -61,15 +61,6 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
/* This is an autofs submount, we can't expire it */
if (autofs_type_indirect(sbi->type))
goto done;
-
- /*
- * Otherwise it's an offset mount and we need to check
- * if we can umount its mount, if there is one.
- */
- if (!d_mountpoint(path.dentry)) {
- status = 0;
- goto done;
- }
}
/* Update the expiry counter if fs is busy */
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index b7a0641ead7..116abec7a29 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -40,16 +40,19 @@ struct kmem_cache *btrfs_delayed_extent_op_cachep;
* compare two delayed tree backrefs with same bytenr and type
*/
static int comp_tree_refs(struct btrfs_delayed_tree_ref *ref2,
- struct btrfs_delayed_tree_ref *ref1)
+ struct btrfs_delayed_tree_ref *ref1, int type)
{
- if (ref1->root < ref2->root)
- return -1;
- if (ref1->root > ref2->root)
- return 1;
- if (ref1->parent < ref2->parent)
- return -1;
- if (ref1->parent > ref2->parent)
- return 1;
+ if (type == BTRFS_TREE_BLOCK_REF_KEY) {
+ if (ref1->root < ref2->root)
+ return -1;
+ if (ref1->root > ref2->root)
+ return 1;
+ } else {
+ if (ref1->parent < ref2->parent)
+ return -1;
+ if (ref1->parent > ref2->parent)
+ return 1;
+ }
return 0;
}
@@ -113,7 +116,8 @@ static int comp_entry(struct btrfs_delayed_ref_node *ref2,
if (ref1->type == BTRFS_TREE_BLOCK_REF_KEY ||
ref1->type == BTRFS_SHARED_BLOCK_REF_KEY) {
return comp_tree_refs(btrfs_delayed_node_to_tree_ref(ref2),
- btrfs_delayed_node_to_tree_ref(ref1));
+ btrfs_delayed_node_to_tree_ref(ref1),
+ ref1->type);
} else if (ref1->type == BTRFS_EXTENT_DATA_REF_KEY ||
ref1->type == BTRFS_SHARED_DATA_REF_KEY) {
return comp_data_refs(btrfs_delayed_node_to_data_ref(ref2),
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 09c58a35b42..cc6ce3e58af 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6502,7 +6502,9 @@ out:
* block must be cow'd
*/
static noinline int can_nocow_odirect(struct btrfs_trans_handle *trans,
- struct inode *inode, u64 offset, u64 len)
+ struct inode *inode, u64 offset, u64 *len,
+ u64 *orig_start, u64 *orig_block_len,
+ u64 *ram_bytes)
{
struct btrfs_path *path;
int ret;
@@ -6559,8 +6561,12 @@ static noinline int can_nocow_odirect(struct btrfs_trans_handle *trans,
disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
backref_offset = btrfs_file_extent_offset(leaf, fi);
+ *orig_start = key.offset - backref_offset;
+ *orig_block_len = btrfs_file_extent_disk_num_bytes(leaf, fi);
+ *ram_bytes = btrfs_file_extent_ram_bytes(leaf, fi);
+
extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi);
- if (extent_end < offset + len) {
+ if (extent_end < offset + *len) {
/* extent doesn't include our full range, must cow */
goto out;
}
@@ -6584,13 +6590,14 @@ static noinline int can_nocow_odirect(struct btrfs_trans_handle *trans,
*/
disk_bytenr += backref_offset;
disk_bytenr += offset - key.offset;
- num_bytes = min(offset + len, extent_end) - offset;
+ num_bytes = min(offset + *len, extent_end) - offset;
if (csum_exist_in_range(root, disk_bytenr, num_bytes))
goto out;
/*
* all of the above have passed, it is safe to overwrite this extent
* without cow
*/
+ *len = num_bytes;
ret = 1;
out:
btrfs_free_path(path);
@@ -6789,7 +6796,7 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
em->block_start != EXTENT_MAP_HOLE)) {
int type;
int ret;
- u64 block_start;
+ u64 block_start, orig_start, orig_block_len, ram_bytes;
if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
type = BTRFS_ORDERED_PREALLOC;
@@ -6807,10 +6814,8 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
if (IS_ERR(trans))
goto must_cow;
- if (can_nocow_odirect(trans, inode, start, len) == 1) {
- u64 orig_start = em->orig_start;
- u64 orig_block_len = em->orig_block_len;
-
+ if (can_nocow_odirect(trans, inode, start, &len, &orig_start,
+ &orig_block_len, &ram_bytes) == 1) {
if (type == BTRFS_ORDERED_PREALLOC) {
free_extent_map(em);
em = create_pinned_em(inode, start, len,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2c02310ff2d..f49b62f833b 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1796,7 +1796,11 @@ static noinline int copy_to_sk(struct btrfs_root *root,
item_off = btrfs_item_ptr_offset(leaf, i);
item_len = btrfs_item_size_nr(leaf, i);
- if (item_len > BTRFS_SEARCH_ARGS_BUFSIZE)
+ btrfs_item_key_to_cpu(leaf, key, i);
+ if (!key_in_sk(key, sk))
+ continue;
+
+ if (sizeof(sh) + item_len > BTRFS_SEARCH_ARGS_BUFSIZE)
item_len = 0;
if (sizeof(sh) + item_len + *sk_offset >
@@ -1805,10 +1809,6 @@ static noinline int copy_to_sk(struct btrfs_root *root,
goto overflow;
}
- btrfs_item_key_to_cpu(leaf, key, i);
- if (!key_in_sk(key, sk))
- continue;
-
sh.objectid = key->objectid;
sh.offset = key->offset;
sh.type = key->type;
diff --git a/fs/dcache.c b/fs/dcache.c
index e8bc3420d63..e689268046c 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1230,8 +1230,10 @@ void shrink_dcache_parent(struct dentry * parent)
LIST_HEAD(dispose);
int found;
- while ((found = select_parent(parent, &dispose)) != 0)
+ while ((found = select_parent(parent, &dispose)) != 0) {
shrink_dentry_list(&dispose);
+ cond_resched();
+ }
}
EXPORT_SYMBOL(shrink_dcache_parent);
diff --git a/fs/exec.c b/fs/exec.c
index a96a4885bbb..6d56ff2d578 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -613,7 +613,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
* when the old and new regions overlap clear from new_end.
*/
free_pgd_range(&tlb, new_end, old_end, new_end,
- vma->vm_next ? vma->vm_next->vm_start : 0);
+ vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING);
} else {
/*
* otherwise, clean from old_start; this is done to not touch
@@ -622,7 +622,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
* for the others its just a little faster.
*/
free_pgd_range(&tlb, old_start, old_end, new_end,
- vma->vm_next ? vma->vm_next->vm_start : 0);
+ vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING);
}
tlb_finish_mmu(&tlb, new_end, old_end);
@@ -898,11 +898,13 @@ static int de_thread(struct task_struct *tsk)
sig->notify_count = -1; /* for exit_notify() */
for (;;) {
+ threadgroup_change_begin(tsk);
write_lock_irq(&tasklist_lock);
if (likely(leader->exit_state))
break;
__set_current_state(TASK_KILLABLE);
write_unlock_irq(&tasklist_lock);
+ threadgroup_change_end(tsk);
schedule();
if (unlikely(__fatal_signal_pending(tsk)))
goto killed;
@@ -960,6 +962,7 @@ static int de_thread(struct task_struct *tsk)
if (unlikely(leader->ptrace))
__wake_up_parent(leader, leader->parent);
write_unlock_irq(&tasklist_lock);
+ threadgroup_change_end(tsk);
release_task(leader);
}
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 987358740cb..efea5d5c44c 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -71,4 +71,5 @@ config EXT4_DEBUG
Enables run-time debugging support for the ext4 filesystem.
If you select Y here, then you will be able to turn on debugging
- with a command such as "echo 1 > /sys/kernel/debug/ext4/mballoc-debug"
+ with a command such as:
+ echo 1 > /sys/module/ext4/parameters/mballoc_debug
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 4c216b1bf20..aeed0bac693 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -194,16 +194,20 @@ static inline void ext4_journal_callback_add(handle_t *handle,
* ext4_journal_callback_del: delete a registered callback
* @handle: active journal transaction handle on which callback was registered
* @jce: registered journal callback entry to unregister
+ * Return true if object was sucessfully removed
*/
-static inline void ext4_journal_callback_del(handle_t *handle,
+static inline bool ext4_journal_callback_try_del(handle_t *handle,
struct ext4_journal_cb_entry *jce)
{
+ bool deleted;
struct ext4_sb_info *sbi =
EXT4_SB(handle->h_transaction->t_journal->j_private);
spin_lock(&sbi->s_md_lock);
+ deleted = !list_empty(&jce->jce_list);
list_del_init(&jce->jce_list);
spin_unlock(&sbi->s_md_lock);
+ return deleted;
}
int
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 3278e64e57b..e0ba8a408de 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -166,8 +166,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
if (journal->j_flags & JBD2_BARRIER &&
!jbd2_trans_will_send_data_barrier(journal, commit_tid))
needs_barrier = true;
- jbd2_log_start_commit(journal, commit_tid);
- ret = jbd2_log_wait_commit(journal, commit_tid);
+ ret = jbd2_complete_transaction(journal, commit_tid);
if (needs_barrier) {
err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
if (!ret)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index b3a5213bc73..d69e9540cd2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -55,21 +55,21 @@ static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
__u16 csum_hi = 0;
__u32 csum;
- csum_lo = raw->i_checksum_lo;
+ csum_lo = le16_to_cpu(raw->i_checksum_lo);
raw->i_checksum_lo = 0;
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi)) {
- csum_hi = raw->i_checksum_hi;
+ csum_hi = le16_to_cpu(raw->i_checksum_hi);
raw->i_checksum_hi = 0;
}
csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)raw,
EXT4_INODE_SIZE(inode->i_sb));
- raw->i_checksum_lo = csum_lo;
+ raw->i_checksum_lo = cpu_to_le16(csum_lo);
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE &&
EXT4_FITS_IN_INODE(raw, ei, i_checksum_hi))
- raw->i_checksum_hi = csum_hi;
+ raw->i_checksum_hi = cpu_to_le16(csum_hi);
return csum;
}
@@ -210,8 +210,7 @@ void ext4_evict_inode(struct inode *inode)
journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
tid_t commit_tid = EXT4_I(inode)->i_datasync_tid;
- jbd2_log_start_commit(journal, commit_tid);
- jbd2_log_wait_commit(journal, commit_tid);
+ jbd2_complete_transaction(journal, commit_tid);
filemap_write_and_wait(&inode->i_data);
}
truncate_inode_pages(&inode->i_data, 0);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ee6614bdb63..f3190ab4178 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1994,7 +1994,11 @@ repeat:
group = ac->ac_g_ex.fe_group;
for (i = 0; i < ngroups; group++, i++) {
- if (group == ngroups)
+ /*
+ * Artificially restricted ngroups for non-extent
+ * files makes group > ngroups possible on first loop.
+ */
+ if (group >= ngroups)
group = 0;
/* This now checks without needing the buddy page */
@@ -4420,11 +4424,11 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
node = rb_prev(new_node);
if (node) {
entry = rb_entry(node, struct ext4_free_data, efd_node);
- if (can_merge(entry, new_entry)) {
+ if (can_merge(entry, new_entry) &&
+ ext4_journal_callback_try_del(handle, &entry->efd_jce)) {
new_entry->efd_start_cluster = entry->efd_start_cluster;
new_entry->efd_count += entry->efd_count;
rb_erase(node, &(db->bb_free_root));
- ext4_journal_callback_del(handle, &entry->efd_jce);
kmem_cache_free(ext4_free_data_cachep, entry);
}
}
@@ -4432,10 +4436,10 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
node = rb_next(new_node);
if (node) {
entry = rb_entry(node, struct ext4_free_data, efd_node);
- if (can_merge(new_entry, entry)) {
+ if (can_merge(new_entry, entry) &&
+ ext4_journal_callback_try_del(handle, &entry->efd_jce)) {
new_entry->efd_count += entry->efd_count;
rb_erase(node, &(db->bb_free_root));
- ext4_journal_callback_del(handle, &entry->efd_jce);
kmem_cache_free(ext4_free_data_cachep, entry);
}
}
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index f9b551561d2..b3b1f7d9944 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -7,7 +7,7 @@
#include "ext4.h"
/* Checksumming functions */
-static __u32 ext4_mmp_csum(struct super_block *sb, struct mmp_struct *mmp)
+static __le32 ext4_mmp_csum(struct super_block *sb, struct mmp_struct *mmp)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
int offset = offsetof(struct mmp_struct, mmp_checksum);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index c169477a62c..3beae6a3ef2 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1341,6 +1341,8 @@ static void ext4_update_super(struct super_block *sb,
/* Update the global fs size fields */
sbi->s_groups_count += flex_gd->count;
+ sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count,
+ (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
/* Update the reserved block counts only once the new group is
* active. */
@@ -1880,6 +1882,10 @@ retry:
return 0;
ext4_get_group_no_and_offset(sb, n_blocks_count - 1, &n_group, &offset);
+ if (n_group > (0xFFFFFFFFUL / EXT4_INODES_PER_GROUP(sb))) {
+ ext4_warning(sb, "resize would cause inodes_count overflow");
+ return -EINVAL;
+ }
ext4_get_group_no_and_offset(sb, o_blocks_count - 1, &o_group, &offset);
n_desc_blocks = num_desc_blocks(sb, n_group + 1);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5d6d5357812..febbe0e1802 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -353,10 +353,13 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
struct super_block *sb = journal->j_private;
struct ext4_sb_info *sbi = EXT4_SB(sb);
int error = is_journal_aborted(journal);
- struct ext4_journal_cb_entry *jce, *tmp;
+ struct ext4_journal_cb_entry *jce;
+ BUG_ON(txn->t_state == T_FINISHED);
spin_lock(&sbi->s_md_lock);
- list_for_each_entry_safe(jce, tmp, &txn->t_private_list, jce_list) {
+ while (!list_empty(&txn->t_private_list)) {
+ jce = list_entry(txn->t_private_list.next,
+ struct ext4_journal_cb_entry, jce_list);
list_del_init(&jce->jce_list);
spin_unlock(&sbi->s_md_lock);
jce->jce_func(sb, jce, error);
@@ -3698,6 +3701,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_err_report.function = print_daily_error_info;
sbi->s_err_report.data = (unsigned long) sb;
+ /* Register extent status tree shrinker */
+ ext4_es_register_shrinker(sb);
+
err = percpu_counter_init(&sbi->s_freeclusters_counter,
ext4_count_free_clusters(sb));
if (!err) {
@@ -3723,9 +3729,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_max_writeback_mb_bump = 128;
sbi->s_extent_max_zeroout_kb = 32;
- /* Register extent status tree shrinker */
- ext4_es_register_shrinker(sb);
-
/*
* set up enough so that it can read an inode
*/
@@ -4010,6 +4013,7 @@ failed_mount_wq:
sbi->s_journal = NULL;
}
failed_mount3:
+ ext4_es_unregister_shrinker(sb);
del_timer(&sbi->s_err_report);
if (sbi->s_flex_groups)
ext4_kvfree(sbi->s_flex_groups);
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 8179e8bc4a3..40d13c70ef5 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -287,5 +287,5 @@ const struct file_operations fscache_stats_fops = {
.open = fscache_stats_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = single_release,
};
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 523464e6284..a3f868ae3fd 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -909,11 +909,8 @@ static int can_do_hugetlb_shm(void)
static int get_hstate_idx(int page_size_log)
{
- struct hstate *h;
+ struct hstate *h = hstate_sizelog(page_size_log);
- if (!page_size_log)
- return default_hstate_idx;
- h = size_to_hstate(1 << page_size_log);
if (!h)
return -1;
return h - hstates;
@@ -929,9 +926,12 @@ static struct dentry_operations anon_ops = {
.d_dname = hugetlb_dname
};
-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acctflag,
- struct user_struct **user,
+/*
+ * Note that size should be aligned to proper hugepage size in caller side,
+ * otherwise hugetlb_reserve_pages reserves one less hugepages than intended.
+ */
+struct file *hugetlb_file_setup(const char *name, size_t size,
+ vm_flags_t acctflag, struct user_struct **user,
int creat_flags, int page_size_log)
{
struct file *file = ERR_PTR(-ENOMEM);
@@ -939,8 +939,6 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
struct path path;
struct super_block *sb;
struct qstr quick_string;
- struct hstate *hstate;
- unsigned long num_pages;
int hstate_idx;
hstate_idx = get_hstate_idx(page_size_log);
@@ -980,12 +978,10 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
if (!inode)
goto out_dentry;
- hstate = hstate_inode(inode);
- size += addr & ~huge_page_mask(hstate);
- num_pages = ALIGN(size, huge_page_size(hstate)) >>
- huge_page_shift(hstate);
file = ERR_PTR(-ENOMEM);
- if (hugetlb_reserve_pages(inode, 0, num_pages, NULL, acctflag))
+ if (hugetlb_reserve_pages(inode, 0,
+ size >> huge_page_shift(hstate_inode(inode)), NULL,
+ acctflag))
goto out_inode;
d_instantiate(path.dentry, inode);
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 750c70148ef..0f53946f13c 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -382,7 +382,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
int space_left = 0;
int first_tag = 0;
int tag_flag;
- int i, to_free = 0;
+ int i;
int tag_bytes = journal_tag_bytes(journal);
struct buffer_head *cbh = NULL; /* For transactional checksums */
__u32 crc32_sum = ~0;
@@ -1134,7 +1134,7 @@ restart_loop:
journal->j_stats.run.rs_blocks_logged += stats.run.rs_blocks_logged;
spin_unlock(&journal->j_history_lock);
- commit_transaction->t_state = T_FINISHED;
+ commit_transaction->t_state = T_COMMIT_CALLBACK;
J_ASSERT(commit_transaction == journal->j_committing_transaction);
journal->j_commit_sequence = commit_transaction->t_tid;
journal->j_committing_transaction = NULL;
@@ -1149,38 +1149,44 @@ restart_loop:
journal->j_average_commit_time*3) / 4;
else
journal->j_average_commit_time = commit_time;
+
write_unlock(&journal->j_state_lock);
- if (commit_transaction->t_checkpoint_list == NULL &&
- commit_transaction->t_checkpoint_io_list == NULL) {
- __jbd2_journal_drop_transaction(journal, commit_transaction);
- to_free = 1;
+ if (journal->j_checkpoint_transactions == NULL) {
+ journal->j_checkpoint_transactions = commit_transaction;
+ commit_transaction->t_cpnext = commit_transaction;
+ commit_transaction->t_cpprev = commit_transaction;
} else {
- if (journal->j_checkpoint_transactions == NULL) {
- journal->j_checkpoint_transactions = commit_transaction;
- commit_transaction->t_cpnext = commit_transaction;
- commit_transaction->t_cpprev = commit_transaction;
- } else {
- commit_transaction->t_cpnext =
- journal->j_checkpoint_transactions;
- commit_transaction->t_cpprev =
- commit_transaction->t_cpnext->t_cpprev;
- commit_transaction->t_cpnext->t_cpprev =
- commit_transaction;
- commit_transaction->t_cpprev->t_cpnext =
+ commit_transaction->t_cpnext =
+ journal->j_checkpoint_transactions;
+ commit_transaction->t_cpprev =
+ commit_transaction->t_cpnext->t_cpprev;
+ commit_transaction->t_cpnext->t_cpprev =
+ commit_transaction;
+ commit_transaction->t_cpprev->t_cpnext =
commit_transaction;
- }
}
spin_unlock(&journal->j_list_lock);
-
+ /* Drop all spin_locks because commit_callback may be block.
+ * __journal_remove_checkpoint() can not destroy transaction
+ * under us because it is not marked as T_FINISHED yet */
if (journal->j_commit_callback)
journal->j_commit_callback(journal, commit_transaction);
trace_jbd2_end_commit(journal, commit_transaction);
jbd_debug(1, "JBD2: commit %d complete, head %d\n",
journal->j_commit_sequence, journal->j_tail_sequence);
- if (to_free)
- jbd2_journal_free_transaction(commit_transaction);
+ write_lock(&journal->j_state_lock);
+ spin_lock(&journal->j_list_lock);
+ commit_transaction->t_state = T_FINISHED;
+ /* Recheck checkpoint lists after j_list_lock was dropped */
+ if (commit_transaction->t_checkpoint_list == NULL &&
+ commit_transaction->t_checkpoint_io_list == NULL) {
+ __jbd2_journal_drop_transaction(journal, commit_transaction);
+ jbd2_journal_free_transaction(commit_transaction);
+ }
+ spin_unlock(&journal->j_list_lock);
+ write_unlock(&journal->j_state_lock);
wake_up(&journal->j_wait_done_commit);
}
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ed10991ab00..886ec2faa9b 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -710,6 +710,37 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
}
/*
+ * When this function returns the transaction corresponding to tid
+ * will be completed. If the transaction has currently running, start
+ * committing that transaction before waiting for it to complete. If
+ * the transaction id is stale, it is by definition already completed,
+ * so just return SUCCESS.
+ */
+int jbd2_complete_transaction(journal_t *journal, tid_t tid)
+{
+ int need_to_wait = 1;
+
+ read_lock(&journal->j_state_lock);
+ if (journal->j_running_transaction &&
+ journal->j_running_transaction->t_tid == tid) {
+ if (journal->j_commit_request != tid) {
+ /* transaction not yet started, so request it */
+ read_unlock(&journal->j_state_lock);
+ jbd2_log_start_commit(journal, tid);
+ goto wait_commit;
+ }
+ } else if (!(journal->j_committing_transaction &&
+ journal->j_committing_transaction->t_tid == tid))
+ need_to_wait = 0;
+ read_unlock(&journal->j_state_lock);
+ if (!need_to_wait)
+ return 0;
+wait_commit:
+ return jbd2_log_wait_commit(journal, tid);
+}
+EXPORT_SYMBOL(jbd2_complete_transaction);
+
+/*
* Log buffer allocation routines:
*/
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 0796c45d0d4..01bfe766275 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -144,6 +144,9 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
timeout);
if (ret < 0)
return -ERESTARTSYS;
+ /* Reset the lock status after a server reboot so we resend */
+ if (block->b_status == nlm_lck_denied_grace_period)
+ block->b_status = nlm_lck_blocked;
req->a_res.status = block->b_status;
return 0;
}
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 7e529c3c45c..9760ecb9b60 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -550,9 +550,6 @@ again:
status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT);
if (status < 0)
break;
- /* Resend the blocking lock request after a server reboot */
- if (resp->status == nlm_lck_denied_grace_period)
- continue;
if (resp->status != nlm_lck_blocked)
break;
}
diff --git a/fs/namei.c b/fs/namei.c
index 57ae9c8c66b..85e40d1c0a8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2740,7 +2740,7 @@ static int do_last(struct nameidata *nd, struct path *path,
if (error)
return error;
- audit_inode(name, dir, 0);
+ audit_inode(name, dir, LOOKUP_PARENT);
error = -EISDIR;
/* trailing slashes? */
if (nd->last.name[nd->last.len])
diff --git a/fs/namespace.c b/fs/namespace.c
index 341d3f56408..e945b81be7d 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2238,12 +2238,11 @@ long do_mount(const char *dev_name, const char *dir_name,
retval = security_sb_mount(dev_name, &path,
type_page, flags, data_page);
+ if (!retval && !may_mount())
+ retval = -EPERM;
if (retval)
goto dput_out;
- if (!may_mount())
- return -EPERM;
-
/* Default to relatime unless overriden */
if (!(flags & MS_NOATIME))
mnt_flags |= MNT_RELATIME;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0ad025eb523..00864017515 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1380,6 +1380,12 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
case -ENOMEM:
err = 0;
goto out;
+ case -NFS4ERR_DELAY:
+ case -NFS4ERR_GRACE:
+ set_bit(NFS_DELEGATED_STATE, &state->flags);
+ ssleep(1);
+ err = -EAGAIN;
+ goto out;
}
set_bit(NFS_DELEGATED_STATE, &state->flags);
err = nfs4_handle_exception(server, err, &exception);
@@ -4547,9 +4553,9 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
if (status != 0)
goto out;
/* Is this a delegated lock? */
- if (test_bit(NFS_DELEGATED_STATE, &state->flags))
- goto out;
lsp = request->fl_u.nfs4_fl.owner;
+ if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) == 0)
+ goto out;
seqid = nfs_alloc_seqid(&lsp->ls_seqid, GFP_KERNEL);
status = -ENOMEM;
if (seqid == NULL)
@@ -5025,6 +5031,12 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
nfs4_schedule_stateid_recovery(server, state);
err = 0;
goto out;
+ case -NFS4ERR_DELAY:
+ case -NFS4ERR_GRACE:
+ set_bit(NFS_DELEGATED_STATE, &state->flags);
+ ssleep(1);
+ err = -EAGAIN;
+ goto out;
case -ENOMEM:
case -NFS4ERR_DENIED:
/* kill_proc(fl->fl_pid, SIGLOST, 1); */
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index ae73175e6e6..d401d012f14 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -271,6 +271,7 @@ static __be32
do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open)
{
__be32 status;
+ int accmode = 0;
/* We don't know the target directory, and therefore can not
* set the change info
@@ -284,9 +285,19 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_
open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
(open->op_iattr.ia_size == 0);
+ /*
+ * In the delegation case, the client is telling us about an
+ * open that it *already* performed locally, some time ago. We
+ * should let it succeed now if possible.
+ *
+ * In the case of a CLAIM_FH open, on the other hand, the client
+ * may be counting on us to enforce permissions (the Linux 4.1
+ * client uses this for normal opens, for example).
+ */
+ if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEG_CUR_FH)
+ accmode = NFSD_MAY_OWNER_OVERRIDE;
- status = do_open_permission(rqstp, current_fh, open,
- NFSD_MAY_OWNER_OVERRIDE);
+ status = do_open_permission(rqstp, current_fh, open, accmode);
return status;
}
@@ -931,14 +942,14 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
nfs4_lock_state();
status = nfs4_preprocess_stateid_op(SVC_NET(rqstp),
cstate, stateid, WR_STATE, &filp);
- if (filp)
- get_file(filp);
- nfs4_unlock_state();
-
if (status) {
+ nfs4_unlock_state();
dprintk("NFSD: nfsd4_write: couldn't process stateid!\n");
return status;
}
+ if (filp)
+ get_file(filp);
+ nfs4_unlock_state();
cnt = write->wr_buflen;
write->wr_how_written = write->wr_stable_how;
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 899ca26dd19..4e9a21db867 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -146,7 +146,7 @@ out_no_tfm:
* then disable recovery tracking.
*/
static void
-legacy_recdir_name_error(int error)
+legacy_recdir_name_error(struct nfs4_client *clp, int error)
{
printk(KERN_ERR "NFSD: unable to generate recoverydir "
"name (%d).\n", error);
@@ -159,9 +159,7 @@ legacy_recdir_name_error(int error)
if (error == -ENOENT) {
printk(KERN_ERR "NFSD: disabling legacy clientid tracking. "
"Reboot recovery will not function correctly!\n");
-
- /* the argument is ignored by the legacy exit function */
- nfsd4_client_tracking_exit(NULL);
+ nfsd4_client_tracking_exit(clp->net);
}
}
@@ -184,7 +182,7 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
status = nfs4_make_rec_clidname(dname, &clp->cl_name);
if (status)
- return legacy_recdir_name_error(status);
+ return legacy_recdir_name_error(clp, status);
status = nfs4_save_creds(&original_cred);
if (status < 0)
@@ -341,7 +339,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
status = nfs4_make_rec_clidname(dname, &clp->cl_name);
if (status)
- return legacy_recdir_name_error(status);
+ return legacy_recdir_name_error(clp, status);
status = mnt_want_write_file(nn->rec_file);
if (status)
@@ -601,7 +599,7 @@ nfsd4_check_legacy_client(struct nfs4_client *clp)
status = nfs4_make_rec_clidname(dname, &clp->cl_name);
if (status) {
- legacy_recdir_name_error(status);
+ legacy_recdir_name_error(clp, status);
return status;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2e27430b907..f9a5e62b768 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -210,13 +210,7 @@ static void __nfs4_file_put_access(struct nfs4_file *fp, int oflag)
{
if (atomic_dec_and_test(&fp->fi_access[oflag])) {
nfs4_file_put_fd(fp, oflag);
- /*
- * It's also safe to get rid of the RDWR open *if*
- * we no longer have need of the other kind of access
- * or if we already have the other kind of open:
- */
- if (fp->fi_fds[1-oflag]
- || atomic_read(&fp->fi_access[1 - oflag]) == 0)
+ if (atomic_read(&fp->fi_access[1 - oflag]) == 0)
nfs4_file_put_fd(fp, O_RDWR);
}
}
@@ -267,7 +261,7 @@ kmem_cache *slab)
min_stateid = 0;
return stid;
out_free:
- kfree(stid);
+ kmem_cache_free(slab, stid);
return NULL;
}
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index a2720071f28..6eb0dc55709 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -344,10 +344,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
all 32 bits of 'nseconds'. */
READ_BUF(12);
len += 12;
- READ32(dummy32);
- if (dummy32)
- return nfserr_inval;
- READ32(iattr->ia_atime.tv_sec);
+ READ64(iattr->ia_atime.tv_sec);
READ32(iattr->ia_atime.tv_nsec);
if (iattr->ia_atime.tv_nsec >= (u32)1000000000)
return nfserr_inval;
@@ -370,10 +367,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
all 32 bits of 'nseconds'. */
READ_BUF(12);
len += 12;
- READ32(dummy32);
- if (dummy32)
- return nfserr_inval;
- READ32(iattr->ia_mtime.tv_sec);
+ READ64(iattr->ia_mtime.tv_sec);
READ32(iattr->ia_mtime.tv_nsec);
if (iattr->ia_mtime.tv_nsec >= (u32)1000000000)
return nfserr_inval;
@@ -2401,8 +2395,7 @@ out_acl:
if (bmval1 & FATTR4_WORD1_TIME_ACCESS) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.atime.tv_sec);
+ WRITE64((s64)stat.atime.tv_sec);
WRITE32(stat.atime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_TIME_DELTA) {
@@ -2415,15 +2408,13 @@ out_acl:
if (bmval1 & FATTR4_WORD1_TIME_METADATA) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.ctime.tv_sec);
+ WRITE64((s64)stat.ctime.tv_sec);
WRITE32(stat.ctime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_TIME_MODIFY) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.mtime.tv_sec);
+ WRITE64((s64)stat.mtime.tv_sec);
WRITE32(stat.mtime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_MOUNTED_ON_FILEID) {
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index e0f7c1241a6..5fe21d69b81 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -572,7 +572,6 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
int add = (arg & IN_MASK_ADD);
int ret;
- /* don't allow invalid bits: we don't want flags set */
mask = inotify_arg_to_mask(arg);
fsn_mark = fsnotify_find_inode_mark(group, inode);
@@ -623,7 +622,6 @@ static int inotify_new_watch(struct fsnotify_group *group,
struct idr *idr = &group->inotify_data.idr;
spinlock_t *idr_lock = &group->inotify_data.idr_lock;
- /* don't allow invalid bits: we don't want flags set */
mask = inotify_arg_to_mask(arg);
tmp_i_mark = kmem_cache_alloc(inotify_inode_mark_cachep, GFP_KERNEL);
@@ -751,6 +749,10 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
int ret;
unsigned flags = 0;
+ /* don't allow invalid bits: we don't want flags set */
+ if (unlikely(!(mask & ALL_INOTIFY_BITS)))
+ return -EINVAL;
+
f = fdget(fd);
if (unlikely(!f.file))
return -EBADF;
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index e14512678c9..6f31590dd12 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -1012,6 +1012,7 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
enum kobj_ns_type type;
const void *ns;
ino_t ino;
+ loff_t off;
type = sysfs_ns_type(parent_sd);
ns = sysfs_info(dentry->d_sb)->ns[type];
@@ -1034,6 +1035,7 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
return 0;
}
mutex_lock(&sysfs_mutex);
+ off = filp->f_pos;
for (pos = sysfs_dir_pos(ns, parent_sd, filp->f_pos, pos);
pos;
pos = sysfs_dir_next_pos(ns, parent_sd, filp->f_pos, pos)) {
@@ -1045,19 +1047,24 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
len = strlen(name);
ino = pos->s_ino;
type = dt_type(pos);
- filp->f_pos = pos->s_hash;
+ off = filp->f_pos = pos->s_hash;
filp->private_data = sysfs_get(pos);
mutex_unlock(&sysfs_mutex);
- ret = filldir(dirent, name, len, filp->f_pos, ino, type);
+ ret = filldir(dirent, name, len, off, ino, type);
mutex_lock(&sysfs_mutex);
if (ret < 0)
break;
}
mutex_unlock(&sysfs_mutex);
- if ((filp->f_pos > 1) && !pos) { /* EOF */
- filp->f_pos = INT_MAX;
+
+ /* don't reference last entry if its refcount is dropped */
+ if (!pos) {
filp->private_data = NULL;
+
+ /* EOF and not changed as 0 or 1 in read/write path */
+ if (off == filp->f_pos && off > 1)
+ filp->f_pos = INT_MAX;
}
return 0;
}
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index bfd87685fc1..a59ff51b016 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -7,6 +7,16 @@
#include <linux/mm_types.h>
#include <linux/bug.h>
+/*
+ * On almost all architectures and configurations, 0 can be used as the
+ * upper ceiling to free_pgtables(): on many architectures it has the same
+ * effect as using TASK_SIZE. However, there is one configuration which
+ * must impose a more careful limit, to avoid freeing kernel pgtables.
+ */
+#ifndef USER_PGTABLES_CEILING
+#define USER_PGTABLES_CEILING 0UL
+#endif
+
#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
extern int ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2d94d7413d7..f1ce786736e 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1593,9 +1593,8 @@ extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *s
void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 918e8fe2f5e..c2af598f701 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -240,6 +240,7 @@
{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -247,11 +248,13 @@
{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
@@ -603,6 +606,8 @@
{0x1002, 0x9999, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x999A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x999B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x999C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x999D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 5a6d718adf3..b4086cf9b7e 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -120,7 +120,7 @@ static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
unsigned long a1, unsigned long a2,
unsigned long a3)
{
- if (unlikely(!audit_dummy_context()))
+ if (unlikely(current->audit_context))
__audit_syscall_entry(arch, major, a0, a1, a2, a3);
}
static inline void audit_syscall_exit(void *pt_regs)
@@ -390,6 +390,11 @@ static inline void audit_ptrace(struct task_struct *t)
#define audit_signals 0
#endif /* CONFIG_AUDITSYSCALL */
+static inline bool audit_loginuid_set(struct task_struct *tsk)
+{
+ return uid_valid(audit_get_loginuid(tsk));
+}
+
#ifdef CONFIG_AUDIT
/* These are defined in audit.c */
/* Public API */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 78feda9bbae..33f358f88b2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -838,7 +838,7 @@ static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q,
unsigned int cmd_flags)
{
if (unlikely(cmd_flags & REQ_DISCARD))
- return q->limits.max_discard_sectors;
+ return min(q->limits.max_discard_sectors, UINT_MAX >> 9);
if (unlikely(cmd_flags & REQ_WRITE_SAME))
return q->limits.max_write_same_sectors;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 900af5964f5..16d4d0932d4 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -304,9 +304,6 @@ struct cftype {
/* CFTYPE_* flags */
unsigned int flags;
- /* file xattrs */
- struct simple_xattrs xattrs;
-
int (*open)(struct inode *inode, struct file *file);
ssize_t (*read)(struct cgroup *cgrp, struct cftype *cft,
struct file *file,
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 16e4e9a643f..df1ff7c9585 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -185,8 +185,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
extern const struct file_operations hugetlbfs_file_operations;
extern const struct vm_operations_struct hugetlb_vm_ops;
-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acct,
+struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct,
struct user_struct **user, int creat_flags,
int page_size_log);
@@ -205,8 +204,8 @@ static inline int is_file_hugepages(struct file *file)
#define is_file_hugepages(file) 0
static inline struct file *
-hugetlb_file_setup(const char *name, unsigned long addr, size_t size,
- vm_flags_t acctflag, struct user_struct **user, int creat_flags,
+hugetlb_file_setup(const char *name, size_t size, vm_flags_t acctflag,
+ struct user_struct **user, int creat_flags,
int page_size_log)
{
return ERR_PTR(-ENOSYS);
@@ -284,6 +283,13 @@ static inline struct hstate *hstate_file(struct file *f)
return hstate_inode(file_inode(f));
}
+static inline struct hstate *hstate_sizelog(int page_size_log)
+{
+ if (!page_size_log)
+ return &default_hstate;
+ return size_to_hstate(1 << page_size_log);
+}
+
static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
{
return hstate_file(vma->vm_file);
@@ -348,11 +354,12 @@ static inline int hstate_index(struct hstate *h)
return h - hstates;
}
-#else
+#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
#define alloc_bootmem_huge_page(h) NULL
#define hstate_file(f) NULL
+#define hstate_sizelog(s) NULL
#define hstate_vma(v) NULL
#define hstate_inode(i) NULL
#define huge_page_size(h) PAGE_SIZE
@@ -367,6 +374,6 @@ static inline unsigned int pages_per_huge_page(struct hstate *h)
}
#define hstate_index_to_shift(index) 0
#define hstate_index(h) 0
-#endif
+#endif /* CONFIG_HUGETLB_PAGE */
#endif /* _LINUX_HUGETLB_H */
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index ae221a7b509..c4d870b0d5e 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -43,8 +43,8 @@ struct ipc_namespace {
size_t shm_ctlmax;
size_t shm_ctlall;
+ unsigned long shm_tot;
int shm_ctlmni;
- int shm_tot;
/*
* Defines whether IPC_RMID is forced for _all_ shm segments regardless
* of shmctl()
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 50e5a5e6a71..f9fe88957b7 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -480,6 +480,7 @@ struct transaction_s
T_COMMIT,
T_COMMIT_DFLUSH,
T_COMMIT_JFLUSH,
+ T_COMMIT_CALLBACK,
T_FINISHED
} t_state;
@@ -1200,6 +1201,7 @@ int __jbd2_log_start_commit(journal_t *journal, tid_t tid);
int jbd2_journal_start_commit(journal_t *journal, tid_t *tid);
int jbd2_journal_force_commit_nested(journal_t *journal);
int jbd2_log_wait_commit(journal_t *journal, tid_t tid);
+int jbd2_complete_transaction(journal_t *journal, tid_t tid);
int jbd2_log_do_checkpoint(journal_t *journal);
int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid);
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 4972e6e9ca9..7419c02085d 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -19,6 +19,7 @@
#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
+#include <linux/spinlock.h>
struct kref {
atomic_t refcount;
@@ -95,6 +96,38 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref)
return kref_sub(kref, 1, release);
}
+/**
+ * kref_put_spinlock_irqsave - decrement refcount for object.
+ * @kref: object.
+ * @release: pointer to the function that will clean up the object when the
+ * last reference to the object is released.
+ * This pointer is required, and it is not acceptable to pass kfree
+ * in as this function.
+ * @lock: lock to take in release case
+ *
+ * Behaves identical to kref_put with one exception. If the reference count
+ * drops to zero, the lock will be taken atomically wrt dropping the reference
+ * count. The release function has to call spin_unlock() without _irqrestore.
+ */
+static inline int kref_put_spinlock_irqsave(struct kref *kref,
+ void (*release)(struct kref *kref),
+ spinlock_t *lock)
+{
+ unsigned long flags;
+
+ WARN_ON(release == NULL);
+ if (atomic_add_unless(&kref->refcount, -1, 1))
+ return 0;
+ spin_lock_irqsave(lock, flags);
+ if (atomic_dec_and_test(&kref->refcount)) {
+ release(kref);
+ local_irq_restore(flags);
+ return 1;
+ }
+ spin_unlock_irqrestore(lock, flags);
+ return 0;
+}
+
static inline int kref_put_mutex(struct kref *kref,
void (*release)(struct kref *kref),
struct mutex *lock)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index dfc1f8a1bf7..d3a114a17d2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2425,27 +2425,18 @@ static inline void threadgroup_change_end(struct task_struct *tsk)
*
* Lock the threadgroup @tsk belongs to. No new task is allowed to enter
* and member tasks aren't allowed to exit (as indicated by PF_EXITING) or
- * perform exec. This is useful for cases where the threadgroup needs to
- * stay stable across blockable operations.
+ * change ->group_leader/pid. This is useful for cases where the threadgroup
+ * needs to stay stable across blockable operations.
*
* fork and exit paths explicitly call threadgroup_change_{begin|end}() for
* synchronization. While held, no new task will be added to threadgroup
* and no existing live task will have its PF_EXITING set.
*
- * During exec, a task goes and puts its thread group through unusual
- * changes. After de-threading, exclusive access is assumed to resources
- * which are usually shared by tasks in the same group - e.g. sighand may
- * be replaced with a new one. Also, the exec'ing task takes over group
- * leader role including its pid. Exclude these changes while locked by
- * grabbing cred_guard_mutex which is used to synchronize exec path.
+ * de_thread() does threadgroup_change_{begin|end}() when a non-leader
+ * sub-thread becomes a new leader.
*/
static inline void threadgroup_lock(struct task_struct *tsk)
{
- /*
- * exec uses exit for de-threading nesting group_rwsem inside
- * cred_guard_mutex. Grab cred_guard_mutex first.
- */
- mutex_lock(&tsk->signal->cred_guard_mutex);
down_write(&tsk->signal->group_rwsem);
}
@@ -2458,7 +2449,6 @@ static inline void threadgroup_lock(struct task_struct *tsk)
static inline void threadgroup_unlock(struct task_struct *tsk)
{
up_write(&tsk->signal->group_rwsem);
- mutex_unlock(&tsk->signal->cred_guard_mutex);
}
#else
static inline void threadgroup_change_begin(struct task_struct *tsk) {}
diff --git a/include/linux/time.h b/include/linux/time.h
index d4835dfdf25..afcdc4bb93a 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -117,14 +117,10 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
extern bool persistent_clock_exist;
-#ifdef ALWAYS_USE_PERSISTENT_CLOCK
-#define has_persistent_clock() true
-#else
static inline bool has_persistent_clock(void)
{
return persistent_clock_exist;
}
-#endif
extern void read_persistent_clock(struct timespec *ts);
extern void read_boot_clock(struct timespec *ts);
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 0a1dcc2fa2f..ab3d0ac3a2e 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -135,14 +135,15 @@ static inline int sum_frag_mem_limit(struct netns_frags *nf)
static inline void inet_frag_lru_move(struct inet_frag_queue *q)
{
spin_lock(&q->net->lru_lock);
- list_move_tail(&q->lru_list, &q->net->lru_list);
+ if (!list_empty(&q->lru_list))
+ list_move_tail(&q->lru_list, &q->net->lru_list);
spin_unlock(&q->net->lru_lock);
}
static inline void inet_frag_lru_del(struct inet_frag_queue *q)
{
spin_lock(&q->net->lru_lock);
- list_del(&q->lru_list);
+ list_del_init(&q->lru_list);
spin_unlock(&q->net->lru_lock);
}
diff --git a/include/net/sock.h b/include/net/sock.h
index 14f6e9d19dc..0be480a43e0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -865,6 +865,18 @@ struct inet_hashinfo;
struct raw_hashinfo;
struct module;
+/*
+ * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
+ * un-modified. Special care is taken when initializing object to zero.
+ */
+static inline void sk_prot_clear_nulls(struct sock *sk, int size)
+{
+ if (offsetof(struct sock, sk_node.next) != 0)
+ memset(sk, 0, offsetof(struct sock, sk_node.next));
+ memset(&sk->sk_node.pprev, 0,
+ size - offsetof(struct sock, sk_node.pprev));
+}
+
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface
* transport -> network interface is defined by struct inet_proto
diff --git a/include/net/tcp.h b/include/net/tcp.h
index cf0694d4ad6..a34548041c1 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1049,6 +1049,7 @@ static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
skb_queue_len(&tp->ucopy.prequeue) == 0)
return false;
+ skb_dst_force(skb);
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
if (tp->ucopy.memory > sk->sk_rcvbuf) {
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index f841ba4bacb..dfb42ca6d04 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1787,6 +1787,7 @@ struct snd_emu10k1 {
unsigned int next_free_voice;
const struct firmware *firmware;
+ const struct firmware *dock_fw;
#ifdef CONFIG_PM_SLEEP
unsigned int *saved_ptr;
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 9f096f1c090..9554a19d341 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -246,6 +246,7 @@
#define AUDIT_OBJ_TYPE 21
#define AUDIT_OBJ_LEV_LOW 22
#define AUDIT_OBJ_LEV_HIGH 23
+#define AUDIT_LOGINUID_SET 24
/* These are ONLY useful when checking
* at syscall exit time (AUDIT_AT_EXIT). */
diff --git a/include/uapi/linux/if_cablemodem.h b/include/uapi/linux/if_cablemodem.h
index 9ca1007edd9..ee6b3c442ba 100644
--- a/include/uapi/linux/if_cablemodem.h
+++ b/include/uapi/linux/if_cablemodem.h
@@ -12,11 +12,11 @@
*/
/* some useful defines for sb1000.c e cmconfig.c - fv */
-#define SIOCGCMSTATS SIOCDEVPRIVATE+0 /* get cable modem stats */
-#define SIOCGCMFIRMWARE SIOCDEVPRIVATE+1 /* get cm firmware version */
-#define SIOCGCMFREQUENCY SIOCDEVPRIVATE+2 /* get cable modem frequency */
-#define SIOCSCMFREQUENCY SIOCDEVPRIVATE+3 /* set cable modem frequency */
-#define SIOCGCMPIDS SIOCDEVPRIVATE+4 /* get cable modem PIDs */
-#define SIOCSCMPIDS SIOCDEVPRIVATE+5 /* set cable modem PIDs */
+#define SIOCGCMSTATS (SIOCDEVPRIVATE+0) /* get cable modem stats */
+#define SIOCGCMFIRMWARE (SIOCDEVPRIVATE+1) /* get cm firmware version */
+#define SIOCGCMFREQUENCY (SIOCDEVPRIVATE+2) /* get cable modem frequency */
+#define SIOCSCMFREQUENCY (SIOCDEVPRIVATE+3) /* set cable modem frequency */
+#define SIOCGCMPIDS (SIOCDEVPRIVATE+4) /* get cable modem PIDs */
+#define SIOCSCMPIDS (SIOCDEVPRIVATE+5) /* set cable modem PIDs */
#endif
diff --git a/include/uapi/linux/virtio_console.h b/include/uapi/linux/virtio_console.h
index ee13ab6c361..c312f16bc4e 100644
--- a/include/uapi/linux/virtio_console.h
+++ b/include/uapi/linux/virtio_console.h
@@ -39,7 +39,7 @@
#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
-#define VIRTIO_CONSOLE_BAD_ID (~(u32)0)
+#define VIRTIO_CONSOLE_BAD_ID (~(__u32)0)
struct virtio_console_config {
/* colums of the screens */
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index a5a8c88753b..c520203fac2 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -191,7 +191,7 @@ struct virtio_net_ctrl_mac {
* specified.
*/
struct virtio_net_ctrl_mq {
- u16 virtqueue_pairs;
+ __u16 virtqueue_pairs;
};
#define VIRTIO_NET_CTRL_MQ 4
diff --git a/ipc/shm.c b/ipc/shm.c
index cb858df061d..7e199fa1960 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -462,7 +462,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
size_t size = params->u.size;
int error;
struct shmid_kernel *shp;
- int numpages = (size + PAGE_SIZE -1) >> PAGE_SHIFT;
+ size_t numpages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
struct file * file;
char name[13];
int id;
@@ -491,10 +491,20 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
sprintf (name, "SYSV%08x", key);
if (shmflg & SHM_HUGETLB) {
+ struct hstate *hs = hstate_sizelog((shmflg >> SHM_HUGE_SHIFT)
+ & SHM_HUGE_MASK);
+ size_t hugesize;
+
+ if (!hs) {
+ error = -EINVAL;
+ goto no_file;
+ }
+ hugesize = ALIGN(size, huge_page_size(hs));
+
/* hugetlb_file_setup applies strict accounting */
if (shmflg & SHM_NORESERVE)
acctflag = VM_NORESERVE;
- file = hugetlb_file_setup(name, 0, size, acctflag,
+ file = hugetlb_file_setup(name, hugesize, acctflag,
&shp->mlock_user, HUGETLB_SHMFS_INODE,
(shmflg >> SHM_HUGE_SHIFT) & SHM_HUGE_MASK);
} else {
diff --git a/kernel/Makefile b/kernel/Makefile
index bbde5f1a448..5a51e6c7128 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -175,7 +175,7 @@ signing_key.priv signing_key.x509: x509.genkey
openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
-batch -x509 -config x509.genkey \
-outform DER -out signing_key.x509 \
- -keyout signing_key.priv
+ -keyout signing_key.priv 2>&1
@echo "###"
@echo "### Key pair generated."
@echo "###"
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 642a89c4f3d..a291aa23fb3 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -617,9 +617,9 @@ void audit_trim_trees(void)
}
spin_unlock(&hash_lock);
trim_marked(tree);
- put_tree(tree);
drop_collected_mounts(root_mnt);
skip_it:
+ put_tree(tree);
mutex_lock(&audit_filter_mutex);
}
list_del(&cursor);
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index f9fc54bbe06..2bf508dfec1 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -345,6 +345,12 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
f->uid = INVALID_UID;
f->gid = INVALID_GID;
+ /* Support legacy tests for a valid loginuid */
+ if ((f->type == AUDIT_LOGINUID) && (f->val == 4294967295U)) {
+ f->type = AUDIT_LOGINUID_SET;
+ f->val = 0;
+ }
+
err = -EINVAL;
if (f->op == Audit_bad)
goto exit_free;
@@ -352,6 +358,12 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
switch(f->type) {
default:
goto exit_free;
+ case AUDIT_LOGINUID_SET:
+ if ((f->val != 0) && (f->val != 1))
+ goto exit_free;
+ if (f->op != Audit_not_equal && f->op != Audit_equal)
+ goto exit_free;
+ break;
case AUDIT_UID:
case AUDIT_EUID:
case AUDIT_SUID:
@@ -459,7 +471,20 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
f->gid = INVALID_GID;
f->lsm_str = NULL;
f->lsm_rule = NULL;
- switch(f->type) {
+
+ /* Support legacy tests for a valid loginuid */
+ if ((f->type == AUDIT_LOGINUID) && (f->val == 4294967295U)) {
+ f->type = AUDIT_LOGINUID_SET;
+ f->val = 0;
+ }
+
+ switch (f->type) {
+ case AUDIT_LOGINUID_SET:
+ if ((f->val != 0) && (f->val != 1))
+ goto exit_free;
+ if (f->op != Audit_not_equal && f->op != Audit_equal)
+ goto exit_free;
+ break;
case AUDIT_UID:
case AUDIT_EUID:
case AUDIT_SUID:
@@ -1378,6 +1403,10 @@ static int audit_filter_user_rules(struct audit_krule *rule,
result = audit_uid_comparator(audit_get_loginuid(current),
f->op, f->uid);
break;
+ case AUDIT_LOGINUID_SET:
+ result = audit_comparator(audit_loginuid_set(current),
+ f->op, f->val);
+ break;
case AUDIT_SUBJ_USER:
case AUDIT_SUBJ_ROLE:
case AUDIT_SUBJ_TYPE:
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index a371f857a0a..c4b72b0e07c 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -742,6 +742,9 @@ static int audit_filter_rules(struct task_struct *tsk,
if (ctx)
result = audit_uid_comparator(tsk->loginuid, f->op, f->uid);
break;
+ case AUDIT_LOGINUID_SET:
+ result = audit_comparator(audit_loginuid_set(tsk), f->op, f->val);
+ break;
case AUDIT_SUBJ_USER:
case AUDIT_SUBJ_ROLE:
case AUDIT_SUBJ_TYPE:
@@ -2309,7 +2312,7 @@ int audit_set_loginuid(kuid_t loginuid)
unsigned int sessionid;
#ifdef CONFIG_AUDIT_LOGINUID_IMMUTABLE
- if (uid_valid(task->loginuid))
+ if (audit_loginuid_set(task))
return -EPERM;
#else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
if (!capable(CAP_AUDIT_CONTROL))
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a32f9432666..ba1f9776dd1 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -162,6 +162,9 @@ struct cfent {
struct list_head node;
struct dentry *dentry;
struct cftype *type;
+
+ /* file xattrs */
+ struct simple_xattrs xattrs;
};
/*
@@ -910,13 +913,12 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode)
} else {
struct cfent *cfe = __d_cfe(dentry);
struct cgroup *cgrp = dentry->d_parent->d_fsdata;
- struct cftype *cft = cfe->type;
WARN_ONCE(!list_empty(&cfe->node) &&
cgrp != &cgrp->root->top_cgroup,
"cfe still linked for %s\n", cfe->type->name);
+ simple_xattrs_free(&cfe->xattrs);
kfree(cfe);
- simple_xattrs_free(&cft->xattrs);
}
iput(inode);
}
@@ -2065,7 +2067,7 @@ static int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
if (!group)
return -ENOMEM;
/* pre-allocate to guarantee space while iterating in rcu read-side. */
- retval = flex_array_prealloc(group, 0, group_size - 1, GFP_KERNEL);
+ retval = flex_array_prealloc(group, 0, group_size, GFP_KERNEL);
if (retval)
goto out_free_group_list;
@@ -2551,7 +2553,7 @@ static struct simple_xattrs *__d_xattrs(struct dentry *dentry)
if (S_ISDIR(dentry->d_inode->i_mode))
return &__d_cgrp(dentry)->xattrs;
else
- return &__d_cft(dentry)->xattrs;
+ return &__d_cfe(dentry)->xattrs;
}
static inline int xattr_enabled(struct dentry *dentry)
@@ -2727,8 +2729,6 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys,
umode_t mode;
char name[MAX_CGROUP_TYPE_NAMELEN + MAX_CFTYPE_NAME + 2] = { 0 };
- simple_xattrs_init(&cft->xattrs);
-
if (subsys && !test_bit(ROOT_NOPREFIX, &cgrp->root->flags)) {
strcpy(name, subsys->name);
strcat(name, ".");
@@ -2753,6 +2753,7 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys,
cfe->type = (void *)cft;
cfe->dentry = dentry;
dentry->d_fsdata = cfe;
+ simple_xattrs_init(&cfe->xattrs);
list_add_tail(&cfe->node, &parent->files);
cfe = NULL;
}
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 14be27feda4..7ef55560c72 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -276,6 +276,10 @@ ktime_t ktime_add_ns(const ktime_t kt, u64 nsec)
} else {
unsigned long rem = do_div(nsec, NSEC_PER_SEC);
+ /* Make sure nsec fits into long */
+ if (unlikely(nsec > KTIME_SEC_MAX))
+ return (ktime_t){ .tv64 = KTIME_MAX };
+
tmp = ktime_set((long)nsec, rem);
}
@@ -1310,6 +1314,8 @@ retry:
expires = ktime_sub(hrtimer_get_expires(timer),
base->offset);
+ if (expires.tv64 < 0)
+ expires.tv64 = KTIME_MAX;
if (expires.tv64 < expires_next.tv64)
expires_next = expires;
break;
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 56dd34976d7..8985c874a2a 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -570,6 +570,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
int retval = 0;
helper_lock();
+ if (!sub_info->path) {
+ retval = -EINVAL;
+ goto out;
+ }
+
if (sub_info->path[0] == '\0')
goto out;
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 0d095dcaa67..93f8e8fbfbc 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -97,7 +97,7 @@ static const struct file_operations rcubarrier_fops = {
.open = rcubarrier_open,
.read = seq_read,
.llseek = no_llseek,
- .release = seq_release,
+ .release = single_release,
};
#ifdef CONFIG_RCU_BOOST
@@ -208,7 +208,7 @@ static const struct file_operations rcuexp_fops = {
.open = rcuexp_open,
.read = seq_read,
.llseek = no_llseek,
- .release = seq_release,
+ .release = single_release,
};
#ifdef CONFIG_RCU_BOOST
@@ -308,7 +308,7 @@ static const struct file_operations rcuhier_fops = {
.open = rcuhier_open,
.read = seq_read,
.llseek = no_llseek,
- .release = seq_release,
+ .release = single_release,
};
static void show_one_rcugp(struct seq_file *m, struct rcu_state *rsp)
@@ -350,7 +350,7 @@ static const struct file_operations rcugp_fops = {
.open = rcugp_open,
.read = seq_read,
.llseek = no_llseek,
- .release = seq_release,
+ .release = single_release,
};
static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp)
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index e93cca92f38..6af50adcc0f 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -521,18 +521,49 @@ EXPORT_SYMBOL_GPL(vtime_account_irq_enter);
#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
-static cputime_t scale_stime(cputime_t stime, cputime_t rtime, cputime_t total)
+/*
+ * Perform (stime * rtime) / total, but avoid multiplication overflow by
+ * loosing precision when the numbers are big.
+ */
+static cputime_t scale_stime(u64 stime, u64 rtime, u64 total)
{
- u64 temp = (__force u64) rtime;
+ u64 scaled;
- temp *= (__force u64) stime;
+ for (;;) {
+ /* Make sure "rtime" is the bigger of stime/rtime */
+ if (stime > rtime) {
+ u64 tmp = rtime; rtime = stime; stime = tmp;
+ }
- if (sizeof(cputime_t) == 4)
- temp = div_u64(temp, (__force u32) total);
- else
- temp = div64_u64(temp, (__force u64) total);
+ /* Make sure 'total' fits in 32 bits */
+ if (total >> 32)
+ goto drop_precision;
+
+ /* Does rtime (and thus stime) fit in 32 bits? */
+ if (!(rtime >> 32))
+ break;
- return (__force cputime_t) temp;
+ /* Can we just balance rtime/stime rather than dropping bits? */
+ if (stime >> 31)
+ goto drop_precision;
+
+ /* We can grow stime and shrink rtime and try to make them both fit */
+ stime <<= 1;
+ rtime >>= 1;
+ continue;
+
+drop_precision:
+ /* We drop from rtime, it has more bits than stime */
+ rtime >>= 1;
+ total >>= 1;
+ }
+
+ /*
+ * Make sure gcc understands that this is a 32x32->64 multiply,
+ * followed by a 64/32->64 divide.
+ */
+ scaled = div_u64((u64) (u32) stime * (u64) (u32) rtime, (u32)total);
+ return (__force cputime_t) scaled;
}
/*
@@ -543,7 +574,7 @@ static void cputime_adjust(struct task_cputime *curr,
struct cputime *prev,
cputime_t *ut, cputime_t *st)
{
- cputime_t rtime, stime, total;
+ cputime_t rtime, stime, utime, total;
stime = curr->stime;
total = stime + curr->utime;
@@ -560,10 +591,22 @@ static void cputime_adjust(struct task_cputime *curr,
*/
rtime = nsecs_to_cputime(curr->sum_exec_runtime);
- if (total)
- stime = scale_stime(stime, rtime, total);
- else
+ /*
+ * Update userspace visible utime/stime values only if actual execution
+ * time is bigger than already exported. Note that can happen, that we
+ * provided bigger values due to scaling inaccuracy on big numbers.
+ */
+ if (prev->stime + prev->utime >= rtime)
+ goto out;
+
+ if (total) {
+ stime = scale_stime((__force u64)stime,
+ (__force u64)rtime, (__force u64)total);
+ utime = rtime - stime;
+ } else {
stime = rtime;
+ utime = 0;
+ }
/*
* If the tick based count grows faster than the scheduler one,
@@ -571,8 +614,9 @@ static void cputime_adjust(struct task_cputime *curr,
* Let's enforce monotonicity.
*/
prev->stime = max(prev->stime, stime);
- prev->utime = max(prev->utime, rtime - prev->stime);
+ prev->utime = max(prev->utime, utime);
+out:
*ut = prev->utime;
*st = prev->stime;
}
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 24510d84efd..b69692250af 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -12,11 +12,6 @@ config CLOCKSOURCE_WATCHDOG
config ARCH_CLOCKSOURCE_DATA
bool
-# Platforms has a persistent clock
-config ALWAYS_USE_PERSISTENT_CLOCK
- bool
- default n
-
# Timekeeping vsyscall support
config GENERIC_TIME_VSYSCALL
bool
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 7f32fe0e52c..90ad470ee8d 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -67,6 +67,8 @@ static void tick_broadcast_start_periodic(struct clock_event_device *bc)
*/
int tick_check_broadcast_device(struct clock_event_device *dev)
{
+ struct clock_event_device *cur = tick_broadcast_device.evtdev;
+
if ((dev->features & CLOCK_EVT_FEAT_DUMMY) ||
(tick_broadcast_device.evtdev &&
tick_broadcast_device.evtdev->rating >= dev->rating) ||
@@ -74,6 +76,8 @@ int tick_check_broadcast_device(struct clock_event_device *dev)
return 0;
clockevents_exchange_device(tick_broadcast_device.evtdev, dev);
+ if (cur)
+ cur->event_handler = clockevents_handle_noop;
tick_broadcast_device.evtdev = dev;
if (!cpumask_empty(tick_get_broadcast_mask()))
tick_broadcast_start_periodic(dev);
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index b1600a6973f..7076b3f53e8 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -323,6 +323,7 @@ static void tick_shutdown(unsigned int *cpup)
*/
dev->mode = CLOCK_EVT_MODE_UNUSED;
clockevents_exchange_device(dev, NULL);
+ dev->event_handler = clockevents_handle_noop;
td->evtdev = NULL;
}
raw_spin_unlock_irqrestore(&tick_device_lock, flags);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index a19a39952c1..e717ad9f141 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -904,7 +904,7 @@ void tick_cancel_sched_timer(int cpu)
hrtimer_cancel(&ts->sched_timer);
# endif
- ts->nohz_mode = NOHZ_MODE_INACTIVE;
+ memset(ts, 0, sizeof(*ts));
}
#endif
diff --git a/kernel/timer.c b/kernel/timer.c
index dbf7a78a1ef..1b399c89e3a 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1678,12 +1678,12 @@ static int __cpuinit init_timers_cpu(int cpu)
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}
- spin_lock_init(&base->lock);
for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index b3fde6d7b7f..0a0e2a6da4f 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -676,7 +676,7 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)
pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE);
- for (i = 0; i < pages; i++) {
+ for (i = 1; i < pages; i++) {
pg->next = (void *)get_zeroed_page(GFP_KERNEL);
if (!pg->next)
goto out_free;
@@ -3736,7 +3736,8 @@ out:
if (fail)
return -EINVAL;
- ftrace_graph_filter_enabled = 1;
+ ftrace_graph_filter_enabled = !!(*idx);
+
return 0;
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 66338c4f7f4..3f28192b420 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5028,6 +5028,8 @@ static __init int tracer_init_debugfs(void)
trace_access_lock_init();
d_tracer = tracing_init_dentry();
+ if (!d_tracer)
+ return 0;
trace_create_file("trace_options", 0644, d_tracer,
NULL, &tracing_iter_fops);
@@ -5166,36 +5168,32 @@ void trace_init_global_iter(struct trace_iterator *iter)
iter->cpu_file = TRACE_PIPE_ALL_CPU;
}
-static void
-__ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
+void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
{
- static arch_spinlock_t ftrace_dump_lock =
- (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;
/* use static because iter can be a bit big for the stack */
static struct trace_iterator iter;
+ static atomic_t dump_running;
unsigned int old_userobj;
- static int dump_ran;
unsigned long flags;
int cnt = 0, cpu;
- /* only one dump */
- local_irq_save(flags);
- arch_spin_lock(&ftrace_dump_lock);
- if (dump_ran)
- goto out;
-
- dump_ran = 1;
+ /* Only allow one dump user at a time. */
+ if (atomic_inc_return(&dump_running) != 1) {
+ atomic_dec(&dump_running);
+ return;
+ }
+ /*
+ * Always turn off tracing when we dump.
+ * We don't need to show trace output of what happens
+ * between multiple crashes.
+ *
+ * If the user does a sysrq-z, then they can re-enable
+ * tracing with echo 1 > tracing_on.
+ */
tracing_off();
- /* Did function tracer already get disabled? */
- if (ftrace_is_dead()) {
- printk("# WARNING: FUNCTION TRACING IS CORRUPTED\n");
- printk("# MAY BE MISSING FUNCTION EVENTS\n");
- }
-
- if (disable_tracing)
- ftrace_kill();
+ local_irq_save(flags);
/* Simulate the iterator */
trace_init_global_iter(&iter);
@@ -5225,6 +5223,12 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
printk(KERN_TRACE "Dumping ftrace buffer:\n");
+ /* Did function tracer already get disabled? */
+ if (ftrace_is_dead()) {
+ printk("# WARNING: FUNCTION TRACING IS CORRUPTED\n");
+ printk("# MAY BE MISSING FUNCTION EVENTS\n");
+ }
+
/*
* We need to stop all tracing on all CPUS to read the
* the next buffer. This is a bit expensive, but is
@@ -5264,26 +5268,14 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
printk(KERN_TRACE "---------------------------------\n");
out_enable:
- /* Re-enable tracing if requested */
- if (!disable_tracing) {
- trace_flags |= old_userobj;
+ trace_flags |= old_userobj;
- for_each_tracing_cpu(cpu) {
- atomic_dec(&iter.tr->data[cpu]->disabled);
- }
- tracing_on();
+ for_each_tracing_cpu(cpu) {
+ atomic_dec(&iter.tr->data[cpu]->disabled);
}
-
- out:
- arch_spin_unlock(&ftrace_dump_lock);
+ atomic_dec(&dump_running);
local_irq_restore(flags);
}
-
-/* By default: disable tracing after the dump */
-void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
-{
- __ftrace_dump(true, oops_dump_mode);
-}
EXPORT_SYMBOL_GPL(ftrace_dump);
__init static int tracer_alloc_buffers(void)
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index e5b0ca8b8d4..5a8a53e67f8 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -777,7 +777,11 @@ static int filter_set_pred(struct event_filter *filter,
static void __free_preds(struct event_filter *filter)
{
+ int i;
+
if (filter->preds) {
+ for (i = 0; i < filter->n_preds; i++)
+ kfree(filter->preds[i].ops);
kfree(filter->preds);
filter->preds = NULL;
}
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 51c819c12c2..eedc2978a88 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -703,8 +703,6 @@ trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr)
/* Maximum number of functions to trace before diagnosing a hang */
#define GRAPH_MAX_FUNC_TEST 100000000
-static void
-__ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode);
static unsigned int graph_hang_thresh;
/* Wrap the real function entry probe to avoid possible hanging */
@@ -714,8 +712,11 @@ static int trace_graph_entry_watchdog(struct ftrace_graph_ent *trace)
if (unlikely(++graph_hang_thresh > GRAPH_MAX_FUNC_TEST)) {
ftrace_graph_stop();
printk(KERN_WARNING "BUG: Function graph tracer hang!\n");
- if (ftrace_dump_on_oops)
- __ftrace_dump(false, DUMP_ALL);
+ if (ftrace_dump_on_oops) {
+ ftrace_dump(DUMP_ALL);
+ /* ftrace_dump() disables tracing */
+ tracing_on();
+ }
return 0;
}
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 83a8b5b7bd3..b20428c5efe 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -20,13 +20,24 @@
#define STACK_TRACE_ENTRIES 500
+#ifdef CC_USING_FENTRY
+# define fentry 1
+#else
+# define fentry 0
+#endif
+
static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES+1] =
{ [0 ... (STACK_TRACE_ENTRIES)] = ULONG_MAX };
static unsigned stack_dump_index[STACK_TRACE_ENTRIES];
+/*
+ * Reserve one entry for the passed in ip. This will allow
+ * us to remove most or all of the stack size overhead
+ * added by the stack tracer itself.
+ */
static struct stack_trace max_stack_trace = {
- .max_entries = STACK_TRACE_ENTRIES,
- .entries = stack_dump_trace,
+ .max_entries = STACK_TRACE_ENTRIES - 1,
+ .entries = &stack_dump_trace[1],
};
static unsigned long max_stack_size;
@@ -39,25 +50,34 @@ static DEFINE_MUTEX(stack_sysctl_mutex);
int stack_tracer_enabled;
static int last_stack_tracer_enabled;
-static inline void check_stack(void)
+static inline void
+check_stack(unsigned long ip, unsigned long *stack)
{
unsigned long this_size, flags;
unsigned long *p, *top, *start;
+ static int tracer_frame;
+ int frame_size = ACCESS_ONCE(tracer_frame);
int i;
- this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1);
+ this_size = ((unsigned long)stack) & (THREAD_SIZE-1);
this_size = THREAD_SIZE - this_size;
+ /* Remove the frame of the tracer */
+ this_size -= frame_size;
if (this_size <= max_stack_size)
return;
/* we do not handle interrupt stacks yet */
- if (!object_is_on_stack(&this_size))
+ if (!object_is_on_stack(stack))
return;
local_irq_save(flags);
arch_spin_lock(&max_stack_lock);
+ /* In case another CPU set the tracer_frame on us */
+ if (unlikely(!frame_size))
+ this_size -= tracer_frame;
+
/* a race could have already updated it */
if (this_size <= max_stack_size)
goto out;
@@ -70,10 +90,18 @@ static inline void check_stack(void)
save_stack_trace(&max_stack_trace);
/*
+ * Add the passed in ip from the function tracer.
+ * Searching for this on the stack will skip over
+ * most of the overhead from the stack tracer itself.
+ */
+ stack_dump_trace[0] = ip;
+ max_stack_trace.nr_entries++;
+
+ /*
* Now find where in the stack these are.
*/
i = 0;
- start = &this_size;
+ start = stack;
top = (unsigned long *)
(((unsigned long)start & ~(THREAD_SIZE-1)) + THREAD_SIZE);
@@ -97,6 +125,18 @@ static inline void check_stack(void)
found = 1;
/* Start the search from here */
start = p + 1;
+ /*
+ * We do not want to show the overhead
+ * of the stack tracer stack in the
+ * max stack. If we haven't figured
+ * out what that is, then figure it out
+ * now.
+ */
+ if (unlikely(!tracer_frame) && i == 1) {
+ tracer_frame = (p - stack) *
+ sizeof(unsigned long);
+ max_stack_size -= tracer_frame;
+ }
}
}
@@ -113,6 +153,7 @@ static void
stack_trace_call(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *op, struct pt_regs *pt_regs)
{
+ unsigned long stack;
int cpu;
preempt_disable_notrace();
@@ -122,7 +163,26 @@ stack_trace_call(unsigned long ip, unsigned long parent_ip,
if (per_cpu(trace_active, cpu)++ != 0)
goto out;
- check_stack();
+ /*
+ * When fentry is used, the traced function does not get
+ * its stack frame set up, and we lose the parent.
+ * The ip is pretty useless because the function tracer
+ * was called before that function set up its stack frame.
+ * In this case, we use the parent ip.
+ *
+ * By adding the return address of either the parent ip
+ * or the current ip we can disregard most of the stack usage
+ * caused by the stack tracer itself.
+ *
+ * The function tracer always reports the address of where the
+ * mcount call was, but the stack will hold the return address.
+ */
+ if (fentry)
+ ip = parent_ip;
+ else
+ ip += MCOUNT_INSN_SIZE;
+
+ check_stack(ip, &stack);
out:
per_cpu(trace_active, cpu)--;
@@ -371,6 +431,8 @@ static __init int stack_trace_init(void)
struct dentry *d_tracer;
d_tracer = tracing_init_dentry();
+ if (!d_tracer)
+ return 0;
trace_create_file("stack_max_size", 0644, d_tracer,
&max_stack_size, &stack_max_size_fops);
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 96cffb269e7..847f88a6194 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -307,6 +307,8 @@ static int tracing_stat_init(void)
struct dentry *d_tracing;
d_tracing = tracing_init_dentry();
+ if (!d_tracing)
+ return 0;
stat_dir = debugfs_create_dir("trace_stat", d_tracing);
if (!stat_dir)
diff --git a/lib/oid_registry.c b/lib/oid_registry.c
index d8de11f4590..318f382a010 100644
--- a/lib/oid_registry.c
+++ b/lib/oid_registry.c
@@ -9,6 +9,7 @@
* 2 of the Licence, or (at your option) any later version.
*/
+#include <linux/module.h>
#include <linux/export.h>
#include <linux/oid_registry.h>
#include <linux/kernel.h>
@@ -16,6 +17,10 @@
#include <linux/bug.h>
#include "oid_registry_data.c"
+MODULE_DESCRIPTION("OID Registry");
+MODULE_AUTHOR("Red Hat, Inc.");
+MODULE_LICENSE("GPL");
+
/**
* look_up_OID - Find an OID registration for the specified data
* @data: Binary representation of the OID
diff --git a/mm/mmap.c b/mm/mmap.c
index 0db0de1c2fb..0dceed852b5 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1327,15 +1327,24 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
file = fget(fd);
if (!file)
goto out;
+ if (is_file_hugepages(file))
+ len = ALIGN(len, huge_page_size(hstate_file(file)));
} else if (flags & MAP_HUGETLB) {
struct user_struct *user = NULL;
+ struct hstate *hs = hstate_sizelog((flags >> MAP_HUGE_SHIFT) &
+ SHM_HUGE_MASK);
+
+ if (!hs)
+ return -EINVAL;
+
+ len = ALIGN(len, huge_page_size(hs));
/*
* VM_NORESERVE is used because the reservations will be
* taken when vm_ops->mmap() is called
* A dummy user value is used because we are not locking
* memory so no accounting is necessary
*/
- file = hugetlb_file_setup(HUGETLB_ANON_FILE, addr, len,
+ file = hugetlb_file_setup(HUGETLB_ANON_FILE, len,
VM_NORESERVE,
&user, HUGETLB_ANONHUGE_INODE,
(flags >> MAP_HUGE_SHIFT) & MAP_HUGE_MASK);
@@ -2305,7 +2314,7 @@ static void unmap_region(struct mm_struct *mm,
update_hiwater_rss(mm);
unmap_vmas(&tlb, vma, start, end);
free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS,
- next ? next->vm_start : 0);
+ next ? next->vm_start : USER_PGTABLES_CEILING);
tlb_finish_mmu(&tlb, start, end);
}
@@ -2685,7 +2694,7 @@ void exit_mmap(struct mm_struct *mm)
/* Use -1 here to ensure all VMAs in the mm are unmapped */
unmap_vmas(&tlb, vma, 0, -1);
- free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, 0);
+ free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
tlb_finish_mmu(&tlb, 0, -1);
/*
diff --git a/mm/page_io.c b/mm/page_io.c
index 78eee32ee48..61828703c4a 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -214,6 +214,7 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
kiocb.ki_left = PAGE_SIZE;
kiocb.ki_nbytes = PAGE_SIZE;
+ set_page_writeback(page);
unlock_page(page);
ret = mapping->a_ops->direct_IO(KERNEL_WRITE,
&kiocb, &iov,
@@ -222,7 +223,23 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
if (ret == PAGE_SIZE) {
count_vm_event(PSWPOUT);
ret = 0;
+ } else {
+ /*
+ * In the case of swap-over-nfs, this can be a
+ * temporary failure if the system has limited
+ * memory for allocating transmit buffers.
+ * Mark the page dirty and avoid
+ * rotate_reclaimable_page but rate-limit the
+ * messages but do not flag PageError like
+ * the normal direct-to-bio case as it could
+ * be temporary.
+ */
+ set_page_dirty(page);
+ ClearPageReclaim(page);
+ pr_err_ratelimited("Write error on dio swapfile (%Lu)\n",
+ page_file_offset(page));
}
+ end_page_writeback(page);
return ret;
}
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 19cf81bf9f6..63bd98cea2d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -627,7 +627,7 @@ static netdev_features_t vlan_dev_fix_features(struct net_device *dev,
netdev_features_t features)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- u32 old_features = features;
+ netdev_features_t old_features = features;
features &= real_dev->vlan_features;
features |= NETIF_F_RXCSUM;
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index c3530a81a33..950663d4d33 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -107,7 +107,7 @@ static void br_tcn_timer_expired(unsigned long arg)
br_debug(br, "tcn timer expired\n");
spin_lock(&br->lock);
- if (br->dev->flags & IFF_UP) {
+ if (!br_is_root_bridge(br) && (br->dev->flags & IFF_UP)) {
br_transmit_tcn(br);
mod_timer(&br->tcn_timer,jiffies + br->bridge_hello_time);
diff --git a/net/core/dev.c b/net/core/dev.c
index b24ab0e98eb..9a278e93042 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2458,7 +2458,7 @@ EXPORT_SYMBOL(netif_skb_features);
* 2. skb is fragmented and the device does not support SG.
*/
static inline int skb_needs_linearize(struct sk_buff *skb,
- int features)
+ netdev_features_t features)
{
return skb_is_nonlinear(skb) &&
((skb_has_frag_list(skb) &&
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 3e9b2c3e30f..41f4bdfa5e1 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1416,7 +1416,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
- u32 old_features;
+ netdev_features_t old_features;
if (!dev || !netif_device_present(dev))
return -ENODEV;
diff --git a/net/core/sock.c b/net/core/sock.c
index b261a797774..1432266c4ad 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1209,18 +1209,6 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
#endif
}
-/*
- * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
- * un-modified. Special care is taken when initializing object to zero.
- */
-static inline void sk_prot_clear_nulls(struct sock *sk, int size)
-{
- if (offsetof(struct sock, sk_node.next) != 0)
- memset(sk, 0, offsetof(struct sock, sk_node.next));
- memset(&sk->sk_node.pprev, 0,
- size - offsetof(struct sock, sk_node.pprev));
-}
-
void sk_prot_clear_portaddr_nulls(struct sock *sk, int size)
{
unsigned long nulls1, nulls2;
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index f4fd23de9b1..3211914b1c6 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -257,6 +257,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf,
setup_timer(&q->timer, f->frag_expire, (unsigned long)q);
spin_lock_init(&q->lock);
atomic_set(&q->refcnt, 1);
+ INIT_LIST_HEAD(&q->lru_list);
return q;
}
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index b83a49cc381..2f672e7ab6e 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -583,8 +583,13 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
*
* Note that even if there is new data in the SYN packet
* they will be thrown away too.
+ *
+ * Reset timer after retransmitting SYNACK, similar to
+ * the idea of fast retransmit in recovery.
*/
- inet_rtx_syn_ack(sk, req);
+ if (!inet_rtx_syn_ack(sk, req))
+ req->expires = min(TCP_TIMEOUT_INIT << req->num_timeout,
+ TCP_RTO_MAX) + jiffies;
return NULL;
}
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index e4efffe2522..95d13c76d31 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1135,6 +1135,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev,
}
if (t == NULL)
t = netdev_priv(dev);
+ memset(&p, 0, sizeof(p));
ip6gre_tnl_parm_to_user(&p, &t->parms);
if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
err = -EFAULT;
@@ -1182,6 +1183,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev,
if (t) {
err = 0;
+ memset(&p, 0, sizeof(p));
ip6gre_tnl_parm_to_user(&p, &t->parms);
if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
err = -EFAULT;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 46a5be85be8..0fce928a9f7 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1937,6 +1937,17 @@ void tcp6_proc_exit(struct net *net)
}
#endif
+static void tcp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
struct proto tcpv6_prot = {
.name = "TCPv6",
.owner = THIS_MODULE,
@@ -1980,6 +1991,7 @@ struct proto tcpv6_prot = {
#ifdef CONFIG_MEMCG_KMEM
.proto_cgroup = tcp_proto_cgroup,
#endif
+ .clear_sk = tcp_v6_clear_sk,
};
static const struct inet6_protocol tcpv6_protocol = {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index d8e5e852fc7..27f0f8e50f0 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1422,6 +1422,17 @@ void udp6_proc_exit(struct net *net) {
}
#endif /* CONFIG_PROC_FS */
+void udp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_portaddr_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
/* ------------------------------------------------------------------------ */
struct proto udpv6_prot = {
@@ -1452,7 +1463,7 @@ struct proto udpv6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udpv6_protosw = {
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index d7571046bfc..4691ed50a92 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -31,6 +31,8 @@ extern int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
extern void udpv6_destroy_sock(struct sock *sk);
+extern void udp_v6_clear_sk(struct sock *sk, int size);
+
#ifdef CONFIG_PROC_FS
extern int udp6_seq_show(struct seq_file *seq, void *v);
#endif
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 1d08e21d9f6..dfcc4be4689 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -56,7 +56,7 @@ struct proto udplitev6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udplite6_protosw = {
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 4ef7bdb6544..23ed03d786c 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -103,8 +103,10 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
dev_hold(dev);
xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
- if (!xdst->u.rt6.rt6i_idev)
+ if (!xdst->u.rt6.rt6i_idev) {
+ dev_put(dev);
return -ENODEV;
+ }
rt6_transfer_peer(&xdst->u.rt6, rt);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a6893602f87..843d8c492d4 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1034,6 +1034,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
sta_info_flush_defer(vlan);
sta_info_flush_defer(sdata);
+ synchronize_net();
rcu_barrier();
list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
sta_info_flush_cleanup(vlan);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 9ed49ad0380..d51ca9db9b4 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -844,11 +844,12 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
*
* sta_info_flush_cleanup() requires rcu_barrier()
* first to wait for the station call_rcu() calls
- * to complete, here we need at least sychronize_rcu()
- * it to wait for the RX path in case it is using the
+ * to complete, and we also need synchronize_rcu()
+ * to wait for the RX path in case it is using the
* interface and enqueuing frames at this very time on
* another CPU.
*/
+ synchronize_rcu();
rcu_barrier();
sta_info_flush_cleanup(sdata);
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index d0275f34bf7..835584ca992 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -53,8 +53,9 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
- /* flush out all packets */
+ /* flush out all packets and station cleanup call_rcu()s */
synchronize_net();
+ rcu_barrier();
drv_flush(local, false);
diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index a4dcaf1dd4b..703c1210d22 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -90,7 +90,7 @@ struct mac802154_sub_if_data {
#define MAC802154_MAX_XMIT_ATTEMPTS 3
-#define MAC802154_CHAN_NONE (~(u8)0) /* No channel is assigned */
+#define MAC802154_CHAN_NONE 0xff /* No channel is assigned */
extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
diff --git a/net/netfilter/ipvs/ip_vs_pe_sip.c b/net/netfilter/ipvs/ip_vs_pe_sip.c
index 12475ef88da..e5920fb7ad0 100644
--- a/net/netfilter/ipvs/ip_vs_pe_sip.c
+++ b/net/netfilter/ipvs/ip_vs_pe_sip.c
@@ -37,14 +37,10 @@ static int get_callid(const char *dptr, unsigned int dataoff,
if (ret > 0)
break;
if (!ret)
- return 0;
+ return -EINVAL;
dataoff += *matchoff;
}
- /* Empty callid is useless */
- if (!*matchlen)
- return -EINVAL;
-
/* Too large is useless */
if (*matchlen > IP_VS_PEDATA_MAXLEN)
return -EINVAL;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 1d6793dbfba..f83e17249dd 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -693,36 +693,33 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1,
smp_rmb();
- if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) {
+ /* We could have just memset this but we will lose the
+ * flexibility of making the priv area sticky
+ */
- /* We could have just memset this but we will lose the
- * flexibility of making the priv area sticky
- */
- BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
- BLOCK_NUM_PKTS(pbd1) = 0;
- BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- getnstimeofday(&ts);
- h1->ts_first_pkt.ts_sec = ts.tv_sec;
- h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
- pkc1->pkblk_start = (char *)pbd1;
- pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
- pbd1->version = pkc1->version;
- pkc1->prev = pkc1->nxt_offset;
- pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
- prb_thaw_queue(pkc1);
- _prb_refresh_rx_retire_blk_timer(pkc1);
+ BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
+ BLOCK_NUM_PKTS(pbd1) = 0;
+ BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- smp_wmb();
+ getnstimeofday(&ts);
- return;
- }
+ h1->ts_first_pkt.ts_sec = ts.tv_sec;
+ h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
- WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n",
- pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num);
- dump_stack();
- BUG();
+ pkc1->pkblk_start = (char *)pbd1;
+ pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+
+ BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
+
+ pbd1->version = pkc1->version;
+ pkc1->prev = pkc1->nxt_offset;
+ pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
+
+ prb_thaw_queue(pkc1);
+ _prb_refresh_rx_retire_blk_timer(pkc1);
+
+ smp_wmb();
}
/*
@@ -813,10 +810,6 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,
prb_close_block(pkc, pbd, po, status);
return;
}
-
- WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd);
- dump_stack();
- BUG();
}
static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index e0f6de64afe..60d88b6b956 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -8,7 +8,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Copyright: Jamal Hadi Salim (2002-4)
+ * Copyright: Jamal Hadi Salim (2002-13)
*/
#include <linux/types.h>
@@ -303,17 +303,44 @@ static struct tc_action_ops act_ipt_ops = {
.walk = tcf_generic_walker
};
-MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
+static struct tc_action_ops act_xt_ops = {
+ .kind = "xt",
+ .hinfo = &ipt_hash_info,
+ .type = TCA_ACT_IPT,
+ .capab = TCA_CAP_NONE,
+ .owner = THIS_MODULE,
+ .act = tcf_ipt,
+ .dump = tcf_ipt_dump,
+ .cleanup = tcf_ipt_cleanup,
+ .lookup = tcf_hash_search,
+ .init = tcf_ipt_init,
+ .walk = tcf_generic_walker
+};
+
+MODULE_AUTHOR("Jamal Hadi Salim(2002-13)");
MODULE_DESCRIPTION("Iptables target actions");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("act_xt");
static int __init ipt_init_module(void)
{
- return tcf_register_action(&act_ipt_ops);
+ int ret1, ret2;
+ ret1 = tcf_register_action(&act_xt_ops);
+ if (ret1 < 0)
+ printk("Failed to load xt action\n");
+ ret2 = tcf_register_action(&act_ipt_ops);
+ if (ret2 < 0)
+ printk("Failed to load ipt action\n");
+
+ if (ret1 < 0 && ret2 < 0)
+ return ret1;
+ else
+ return 0;
}
static void __exit ipt_cleanup_module(void)
{
+ tcf_unregister_action(&act_xt_ops);
tcf_unregister_action(&act_ipt_ops);
}
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 7f93e2a42d7..2e330e8109b 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -165,7 +165,7 @@ static struct list_head vsock_bind_table[VSOCK_HASH_SIZE + 1];
static struct list_head vsock_connected_table[VSOCK_HASH_SIZE];
static DEFINE_SPINLOCK(vsock_table_lock);
-static __init void vsock_init_tables(void)
+static void vsock_init_tables(void)
{
int i;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 98532c00242..6dee0ad949c 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -855,7 +855,7 @@ static void handle_channel(struct wiphy *wiphy,
return;
REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
- chan->flags = IEEE80211_CHAN_DISABLED;
+ chan->flags |= IEEE80211_CHAN_DISABLED;
return;
}
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index 0ae730be5f4..b87206cc92f 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -51,6 +51,19 @@ struct list_head {
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
+ n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
* list_empty - tests whether a list is empty
* @head: the list to test.
*/
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 566288a7637..c5418d622a0 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -389,6 +389,7 @@ again:
.targets = targets,
.keys = keys,
};
+ struct jump_key *pos, *tmp;
res = get_relations_str(sym_arr, &head);
dres = show_textbox_ext(_("Search Results"), (char *)
@@ -402,6 +403,8 @@ again:
again = true;
}
str_free(&res);
+ list_for_each_entry_safe(pos, tmp, &head, entries)
+ free(pos);
} while (again);
free(sym_arr);
str_free(&title);
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 33689396953..68b85e1fe8f 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -156,7 +156,6 @@ sub read_kconfig {
my $state = "NONE";
my $config;
- my @kconfigs;
my $cont = 0;
my $line;
@@ -190,7 +189,13 @@ sub read_kconfig {
# collect any Kconfig sources
if (/^source\s*"(.*)"/) {
- $kconfigs[$#kconfigs+1] = $1;
+ my $kconfig = $1;
+ # prevent reading twice.
+ if (!defined($read_kconfigs{$kconfig})) {
+ $read_kconfigs{$kconfig} = 1;
+ read_kconfig($kconfig);
+ }
+ next;
}
# configs found
@@ -250,14 +255,6 @@ sub read_kconfig {
}
}
close($kinfile);
-
- # read in any configs that were found.
- foreach my $kconfig (@kconfigs) {
- if (!defined($read_kconfigs{$kconfig})) {
- $read_kconfigs{$kconfig} = 1;
- read_kconfig($kconfig);
- }
- }
}
if ($kconfig) {
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index e6b01669324..bdd888ec9a8 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -657,14 +657,14 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
return 0;
}
-static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu)
+static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu,
+ const struct firmware *fw_entry)
{
int n, i;
int reg;
int value;
unsigned int write_post;
unsigned long flags;
- const struct firmware *fw_entry = emu->firmware;
if (!fw_entry)
return -EIO;
@@ -725,9 +725,34 @@ static int emu1010_firmware_thread(void *data)
/* Return to Audio Dock programming mode */
snd_printk(KERN_INFO "emu1010: Loading Audio Dock Firmware\n");
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_AUDIODOCK);
- err = snd_emu1010_load_firmware(emu);
- if (err != 0)
- continue;
+
+ if (!emu->dock_fw) {
+ const char *filename = NULL;
+ switch (emu->card_capabilities->emu_model) {
+ case EMU_MODEL_EMU1010:
+ filename = DOCK_FILENAME;
+ break;
+ case EMU_MODEL_EMU1010B:
+ filename = MICRO_DOCK_FILENAME;
+ break;
+ case EMU_MODEL_EMU1616:
+ filename = MICRO_DOCK_FILENAME;
+ break;
+ }
+ if (filename) {
+ err = request_firmware(&emu->dock_fw,
+ filename,
+ &emu->pci->dev);
+ if (err)
+ continue;
+ }
+ }
+
+ if (emu->dock_fw) {
+ err = snd_emu1010_load_firmware(emu, emu->dock_fw);
+ if (err)
+ continue;
+ }
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);
@@ -862,7 +887,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
filename, emu->firmware->size);
}
- err = snd_emu1010_load_firmware(emu);
+ err = snd_emu1010_load_firmware(emu, emu->firmware);
if (err != 0) {
snd_printk(KERN_INFO "emu1010: Loading Firmware failed\n");
return err;
@@ -1253,6 +1278,8 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
kthread_stop(emu->emu1010.firmware_thread);
if (emu->firmware)
release_firmware(emu->firmware);
+ if (emu->dock_fw)
+ release_firmware(emu->dock_fw);
if (emu->irq >= 0)
free_irq(emu->irq, emu);
/* remove reserved page */
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 4aba7646dd9..c414cdd9cfc 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -681,6 +681,9 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
struct hda_bus_unsolicited *unsol;
unsigned int wp;
+ if (!bus || !bus->workq)
+ return 0;
+
trace_hda_unsol_event(bus, res, res_ex);
unsol = bus->unsol;
if (!unsol)
@@ -1577,7 +1580,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
"NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
nid, stream_tag, channel_id, format);
p = get_hda_cvt_setup(codec, nid);
- if (!p || p->active)
+ if (!p)
return;
if (codec->pcm_format_first)
@@ -1624,7 +1627,7 @@ void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
p = get_hda_cvt_setup(codec, nid);
- if (p && p->active) {
+ if (p) {
/* here we just clear the active flag when do_now isn't set;
* actual clean-ups will be done later in
* purify_inactive_streams() called from snd_hda_codec_prpapre()
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 2dbe767be16..d74500b666f 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -2072,6 +2072,14 @@ get_multiio_path(struct hda_codec *codec, int idx)
static void update_automute_all(struct hda_codec *codec);
+/* Default value to be passed as aamix argument for snd_hda_activate_path();
+ * used for output paths
+ */
+static bool aamix_default(struct hda_gen_spec *spec)
+{
+ return !spec->have_aamix_ctl || spec->aamix_mode;
+}
+
static int set_multi_io(struct hda_codec *codec, int idx, bool output)
{
struct hda_gen_spec *spec = codec->spec;
@@ -2087,11 +2095,11 @@ static int set_multi_io(struct hda_codec *codec, int idx, bool output)
if (output) {
set_pin_target(codec, nid, PIN_OUT, true);
- snd_hda_activate_path(codec, path, true, true);
+ snd_hda_activate_path(codec, path, true, aamix_default(spec));
set_pin_eapd(codec, nid, true);
} else {
set_pin_eapd(codec, nid, false);
- snd_hda_activate_path(codec, path, false, true);
+ snd_hda_activate_path(codec, path, false, aamix_default(spec));
set_pin_target(codec, nid, spec->multi_io[idx].ctl_in, true);
path_power_down_sync(codec, path);
}
@@ -2182,8 +2190,8 @@ static void update_aamix_paths(struct hda_codec *codec, bool do_mix,
snd_hda_activate_path(codec, mix_path, true, true);
path_power_down_sync(codec, nomix_path);
} else {
- snd_hda_activate_path(codec, mix_path, false, true);
- snd_hda_activate_path(codec, nomix_path, true, true);
+ snd_hda_activate_path(codec, mix_path, false, false);
+ snd_hda_activate_path(codec, nomix_path, true, false);
path_power_down_sync(codec, mix_path);
}
}
@@ -4729,7 +4737,8 @@ static void set_output_and_unmute(struct hda_codec *codec, int path_idx)
return;
pin = path->path[path->depth - 1];
restore_pin_ctl(codec, pin);
- snd_hda_activate_path(codec, path, path->active, true);
+ snd_hda_activate_path(codec, path, path->active,
+ aamix_default(codec->spec));
set_pin_eapd(codec, pin, path->active);
}
@@ -4779,7 +4788,8 @@ static void init_multi_io(struct hda_codec *codec)
if (!spec->multi_io[i].ctl_in)
spec->multi_io[i].ctl_in =
snd_hda_codec_get_pin_target(codec, pin);
- snd_hda_activate_path(codec, path, path->active, true);
+ snd_hda_activate_path(codec, path, path->active,
+ aamix_default(spec));
}
}
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 2a89d1eefeb..1e5a30fef3d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -64,6 +64,7 @@ struct conexant_spec {
/* extra EAPD pins */
unsigned int num_eapds;
hda_nid_t eapds[4];
+ bool dynamic_eapd;
#ifdef ENABLE_CXT_STATIC_QUIRKS
const struct snd_kcontrol_new *mixers[5];
@@ -3152,7 +3153,7 @@ static void cx_auto_parse_eapd(struct hda_codec *codec)
* thus it might control over all pins.
*/
if (spec->num_eapds > 2)
- spec->gen.own_eapd_ctl = 1;
+ spec->dynamic_eapd = 1;
}
static void cx_auto_turn_eapd(struct hda_codec *codec, int num_pins,
@@ -3191,6 +3192,15 @@ static int cx_auto_build_controls(struct hda_codec *codec)
return 0;
}
+static int cx_auto_init(struct hda_codec *codec)
+{
+ struct conexant_spec *spec = codec->spec;
+ snd_hda_gen_init(codec);
+ if (!spec->dynamic_eapd)
+ cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, true);
+ return 0;
+}
+
static void cx_auto_free(struct hda_codec *codec)
{
snd_hda_detach_beep_device(codec);
@@ -3200,7 +3210,7 @@ static void cx_auto_free(struct hda_codec *codec)
static const struct hda_codec_ops cx_auto_patch_ops = {
.build_controls = cx_auto_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
- .init = snd_hda_gen_init,
+ .init = cx_auto_init,
.free = cx_auto_free,
.unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
@@ -3350,7 +3360,8 @@ static int patch_conexant_auto(struct hda_codec *codec)
cx_auto_parse_beep(codec);
cx_auto_parse_eapd(codec);
- if (spec->gen.own_eapd_ctl)
+ spec->gen.own_eapd_ctl = 1;
+ if (spec->dynamic_eapd)
spec->gen.vmaster_mute.hook = cx_auto_vmaster_hook;
switch (codec->vendor_id) {
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f15c36bde54..fd1970cf0b2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2515,6 +2515,7 @@ enum {
ALC269_TYPE_ALC280,
ALC269_TYPE_ALC282,
ALC269_TYPE_ALC284,
+ ALC269_TYPE_ALC286,
};
/*
@@ -2538,6 +2539,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
case ALC269_TYPE_ALC269VB:
case ALC269_TYPE_ALC269VD:
case ALC269_TYPE_ALC282:
+ case ALC269_TYPE_ALC286:
ssids = alc269_ssids;
break;
default:
@@ -3172,6 +3174,9 @@ static int patch_alc269(struct hda_codec *codec)
case 0x10ec0292:
spec->codec_variant = ALC269_TYPE_ALC284;
break;
+ case 0x10ec0286:
+ spec->codec_variant = ALC269_TYPE_ALC286;
+ break;
}
/* automatic parse from the BIOS config */
@@ -3878,6 +3883,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = {
{ .id = 0x10ec0282, .name = "ALC282", .patch = patch_alc269 },
{ .id = 0x10ec0283, .name = "ALC283", .patch = patch_alc269 },
{ .id = 0x10ec0284, .name = "ALC284", .patch = patch_alc269 },
+ { .id = 0x10ec0286, .name = "ALC286", .patch = patch_alc269 },
{ .id = 0x10ec0290, .name = "ALC290", .patch = patch_alc269 },
{ .id = 0x10ec0292, .name = "ALC292", .patch = patch_alc269 },
{ .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660",
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c
index 41230ad1c3e..4a6f1daf911 100644
--- a/sound/soc/codecs/da7213.c
+++ b/sound/soc/codecs/da7213.c
@@ -1488,17 +1488,17 @@ static int da7213_probe(struct snd_soc_codec *codec)
DA7213_DMIC_DATA_SEL_SHIFT);
break;
}
- switch (pdata->dmic_data_sel) {
+ switch (pdata->dmic_samplephase) {
case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
- dmic_cfg |= (pdata->dmic_data_sel <<
+ dmic_cfg |= (pdata->dmic_samplephase <<
DA7213_DMIC_SAMPLEPHASE_SHIFT);
break;
}
- switch (pdata->dmic_data_sel) {
+ switch (pdata->dmic_clk_rate) {
case DA7213_DMIC_CLK_3_0MHZ:
case DA7213_DMIC_CLK_1_5MHZ:
- dmic_cfg |= (pdata->dmic_data_sel <<
+ dmic_cfg |= (pdata->dmic_clk_rate <<
DA7213_DMIC_CLK_RATE_SHIFT);
break;
}
diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index a4c16fd70f7..5d3631921ed 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -2006,7 +2006,7 @@ static int max98088_probe(struct snd_soc_codec *codec)
ret);
goto err_access;
}
- dev_info(codec->dev, "revision %c\n", ret + 'A');
+ dev_info(codec->dev, "revision %c\n", ret - 0x40 + 'A');
snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index c9bd445c497..e5f96c98c5a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2841,6 +2841,7 @@ static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
default:
return 0;
}
+ break;
default:
return 0;
}
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index e2ca12fe92e..40dd50a80f5 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -575,7 +575,6 @@ static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
urb->instance.pipe = in ? usb_rcvisocpipe(chip->dev, ep)
: usb_sndisocpipe(chip->dev, ep);
urb->instance.interval = 1;
- urb->instance.transfer_flags = URB_ISO_ASAP;
urb->instance.complete = handler;
urb->instance.context = urb;
urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index fde9a7a29cb..b45e29b8c67 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -670,7 +670,6 @@ static void read_completed(struct urb *urb)
if (send_it) {
out->number_of_packets = outframe;
- out->transfer_flags = URB_ISO_ASAP;
usb_submit_urb(out, GFP_ATOMIC);
} else {
struct snd_usb_caiaq_cb_info *oinfo = out->context;
@@ -686,7 +685,6 @@ requeue:
}
urb->number_of_packets = FRAMES_PER_URB;
- urb->transfer_flags = URB_ISO_ASAP;
usb_submit_urb(urb, GFP_ATOMIC);
}
@@ -751,7 +749,6 @@ static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret)
* BYTES_PER_FRAME;
urbs[i]->context = &dev->data_cb_info[i];
urbs[i]->interval = 1;
- urbs[i]->transfer_flags = URB_ISO_ASAP;
urbs[i]->number_of_packets = FRAMES_PER_URB;
urbs[i]->complete = (dir == SNDRV_PCM_STREAM_CAPTURE) ?
read_completed : write_completed;
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 2da8ad75fd9..b79b7dc4920 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -627,7 +627,9 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
int err = -ENODEV;
down_read(&chip->shutdown_rwsem);
- if (!chip->shutdown && !chip->probing)
+ if (chip->probing)
+ err = 0;
+ else if (!chip->shutdown)
err = usb_autopm_get_interface(chip->pm_intf);
up_read(&chip->shutdown_rwsem);
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 8a751b4887e..d32ea411545 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -116,6 +116,7 @@ struct snd_usb_substream {
unsigned int altset_idx; /* USB data format: index of alternate setting */
unsigned int txfr_quirk:1; /* allow sub-frame alignment */
unsigned int fmt_type; /* USB audio format type (1-3) */
+ unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */
unsigned int running: 1; /* running status */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 21049b882ee..63cca3a219c 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -677,7 +677,7 @@ static int data_ep_set_params(struct snd_usb_endpoint *ep,
if (!u->urb->transfer_buffer)
goto out_of_memory;
u->urb->pipe = ep->pipe;
- u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
+ u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
u->urb->interval = 1 << ep->datainterval;
u->urb->context = u;
u->urb->complete = snd_complete_urb;
@@ -716,8 +716,7 @@ static int sync_ep_set_params(struct snd_usb_endpoint *ep,
u->urb->transfer_dma = ep->sync_dma + i * 4;
u->urb->transfer_buffer_length = 4;
u->urb->pipe = ep->pipe;
- u->urb->transfer_flags = URB_ISO_ASAP |
- URB_NO_TRANSFER_DMA_MAP;
+ u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
u->urb->number_of_packets = 1;
u->urb->interval = 1 << ep->syncinterval;
u->urb->context = u;
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 34b9bb7fe87..e5fee1800a4 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -126,7 +126,6 @@ struct snd_usb_midi {
struct snd_usb_midi_in_endpoint *in;
} endpoints[MIDI_MAX_ENDPOINTS];
unsigned long input_triggered;
- bool autopm_reference;
unsigned int opened[2];
unsigned char disconnected;
unsigned char input_running;
@@ -1040,7 +1039,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
{
struct snd_usb_midi* umidi = substream->rmidi->private_data;
struct snd_kcontrol *ctl;
- int err;
down_read(&umidi->disc_rwsem);
if (umidi->disconnected) {
@@ -1051,13 +1049,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
mutex_lock(&umidi->mutex);
if (open) {
if (!umidi->opened[0] && !umidi->opened[1]) {
- err = usb_autopm_get_interface(umidi->iface);
- umidi->autopm_reference = err >= 0;
- if (err < 0 && err != -EACCES) {
- mutex_unlock(&umidi->mutex);
- up_read(&umidi->disc_rwsem);
- return -EIO;
- }
if (umidi->roland_load_ctl) {
ctl = umidi->roland_load_ctl;
ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
@@ -1080,8 +1071,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
snd_ctl_notify(umidi->card,
SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
}
- if (umidi->autopm_reference)
- usb_autopm_put_interface(umidi->iface);
}
}
mutex_unlock(&umidi->mutex);
@@ -2256,6 +2245,8 @@ int snd_usbmidi_create(struct snd_card *card,
return err;
}
+ usb_autopm_get_interface_no_resume(umidi->iface);
+
list_add_tail(&umidi->list, midi_list);
return 0;
}
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 8b81cb54026..6ad617b9473 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -1120,8 +1120,7 @@ static int alloc_stream_urbs(struct ua101 *ua, struct ua101_stream *stream,
usb_init_urb(&urb->urb);
urb->urb.dev = ua->dev;
urb->urb.pipe = stream->usb_pipe;
- urb->urb.transfer_flags = URB_ISO_ASAP |
- URB_NO_TRANSFER_DMA_MAP;
+ urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP;
urb->urb.transfer_buffer = addr;
urb->urb.transfer_dma = dma;
urb->urb.transfer_buffer_length = max_packet_size;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f94397b42aa..a481fea39e8 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1170,7 +1170,7 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
stride = runtime->frame_bits >> 3;
for (i = 0; i < urb->number_of_packets; i++) {
- cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+ cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
// continue;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 9c5ab22358b..0c7eb496a8e 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -837,6 +837,7 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs,
break;
}
snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
+ subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
}
void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index ad181d538bd..cfc4d4eaf42 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -94,6 +94,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
subs->dev = as->chip->dev;
subs->txfr_quirk = as->chip->txfr_quirk;
subs->speed = snd_usb_get_speed(subs->dev);
+ subs->pkt_offset_adj = 0;
snd_usb_set_pcm_ops(as->pcm, stream);
@@ -396,6 +397,14 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
if (!csep && altsd->bNumEndpoints >= 2)
csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);
+ /*
+ * If we can't locate the USB_DT_CS_ENDPOINT descriptor in the extra
+ * bytes after the first endpoint, go search the entire interface.
+ * Some devices have it directly *before* the standard endpoint.
+ */
+ if (!csep)
+ csep = snd_usb_find_desc(alts->extra, alts->extralen, NULL, USB_DT_CS_ENDPOINT);
+
if (!csep || csep->bLength < 7 ||
csep->bDescriptorSubtype != UAC_EP_GENERAL) {
snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 1e7a47a8660..bf618e1500a 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -69,7 +69,6 @@ static void init_pipe_urbs(struct usb_stream_kernel *sk, unsigned use_packsize,
++u, transfer += transfer_length) {
struct urb *urb = urbs[u];
struct usb_iso_packet_descriptor *desc;
- urb->transfer_flags = URB_ISO_ASAP;
urb->transfer_buffer = transfer;
urb->dev = dev;
urb->pipe = pipe;
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 520ef96d7c7..b37653247ef 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -503,7 +503,6 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
if (0 == i)
atomic_set(&subs->state, state_STARTING3);
urb->dev = usX2Y->dev;
- urb->transfer_flags = URB_ISO_ASAP;
for (pack = 0; pack < nr_of_packs(); pack++) {
urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack;
urb->iso_frame_desc[pack].length = subs->maxpacksize;
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index cc56007791e..f2a1acdc4d8 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -443,7 +443,6 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
if (0 == u)
atomic_set(&subs->state, state_STARTING3);
urb->dev = usX2Y->dev;
- urb->transfer_flags = URB_ISO_ASAP;
for (pack = 0; pack < nr_of_packs(); pack++) {
urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs());
urb->iso_frame_desc[pack].length = subs->maxpacksize;