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  1. 30 Apr, 2016 6 commits
  2. 28 Apr, 2016 3 commits
  3. 24 Apr, 2016 1 commit
  4. 23 Apr, 2016 11 commits
  5. 22 Apr, 2016 15 commits
    • Linus Torvalds's avatar
      Merge tag 'pinctrl-v4.6-3' of git:// · 09502d9f
      Linus Torvalds authored
      Pull pin control fixes from Linus Walleij:
       "Some pin control driver fixes came in.  One headed for stable and the
        other two are just ordinary merge window fixes.
         - Make the i.MX driver select REGMAP as a dependency
         - Fix up the Mediatek debounce time unit
         - Fix a real hairy ffs vs __ffs issue in the Single pinctrl driver"
      * tag 'pinctrl-v4.6-3' of git://
        pinctrl: single: Fix pcs_parse_bits_in_pinctrl_entry to use __ffs than ffs
        pinctrl: mediatek: correct debounce time unit in mtk_gpio_set_debounce
        pinctrl: imx: Kconfig: PINCTRL_IMX select REGMAP
    • Linus Torvalds's avatar
      Merge tag 'arm64-fixes' of git:// · ddce1921
      Linus Torvalds authored
      Pull arm64 fixes from Catalin Marinas:
       - Cache invalidation fix for early CPU boot status update (incorrect
       - of_put_node() missing in the spin_table code
       - EL1/El2 early init inconsistency when Virtualisation Host Extensions
         are present
       - RCU warning fix in the arm_pmu.c driver
      * tag 'arm64-fixes' of git://
        arm64: Fix EL1/EL2 early init inconsistencies with VHE
        drivers/perf: arm-pmu: fix RCU usage on pmu resume from low-power
        arm64: spin-table: add missing of_node_put()
        arm64: fix invalidation of wrong __early_cpu_boot_status cacheline
    • Linus Torvalds's avatar
      Merge tag 'powerpc-4.6-3' of git:// · ff061624
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
       "Three powerpc cpu feature fixes from Anton Blanchard:
         - scan_features() updated incorrect bits for REAL_LE
         - update cpu_user_features2 in scan_features()
         - update TM user feature bits in scan_features()"
      * tag 'powerpc-4.6-3' of git://
        powerpc: Update TM user feature bits in scan_features()
        powerpc: Update cpu_user_features2 in scan_features()
        powerpc: scan_features() updates incorrect bits for REAL_LE
    • Linus Torvalds's avatar
      Merge tag 'iommu-fixes-v4.6-rc4' of git:// · 7c5047a1
      Linus Torvalds authored
      Pull IOMMU fixes from Joerg Roedel:
       "The fixes include:
         - Two patches to revert the use of default domains in the ARM SMMU
           driver.  Enabling this caused regressions which need more thorough
           fixing.  So the regressions are fixed for now by disabling the use
           of default domains.
         - A fix for a v4.4 regression in the AMD IOMMU driver which broke
           devices behind invisible PCIe-to-PCI bridges with IOMMU enabled"
      * tag 'iommu-fixes-v4.6-rc4' of git://
        iommu/arm-smmu: Don't allocate resources for bypass domains
        iommu/arm-smmu: Fix stream-match conflict with IOMMU_DOMAIN_DMA
        iommu/amd: Fix checking of pci dma aliases
    • Linus Torvalds's avatar
      Merge branch 'drm-fixes' of git:// · d61fb48b
      Linus Torvalds authored
      Pull drm fixes from Dave Airlie:
       "i915, nouveau and amdgpu/radeon fixes in this:
           Two fixes, one for a regression with dithering and one for a bug
           hit by the userspace drivers.
           A few fixes, mostly things heading for stable, two important
           skylake GT3/4 hangs.
           Some audio, suspend/resume and some runtime PM fixes, along with
           two patches to harden the userptr ABI a bit"
      * 'drm-fixes' of git:// (24 commits)
        drm: Loongson-3 doesn't fully support wc memory
        drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
        amdgpu/uvd: add uvd fw version for amdgpu
        drm/amdgpu: forbid mapping of userptr bo through radeon device file
        drm/radeon: forbid mapping of userptr bo through radeon device file
        drm/amdgpu: bump the afmt limit for CZ, ST, Polaris
        drm/amdgpu: use defines for CRTCs and AMFT blocks
        drm/dp/mst: Validate port in drm_dp_payload_send_msg()
        drm/nouveau/kms: fix setting of default values for dithering properties
        drm/radeon: print a message if ATPX dGPU power control is missing
        Revert "drm/radeon: disable runtime pm on PX laptops without dGPU power control"
        drm/amdgpu/acp: fix resume on CZ systems with AZ audio
        drm/radeon: add a quirk for a XFX R9 270X
        drm/radeon: print pci revision as well as pci ids on driver load
        drm/i915: Use fw_domains_put_with_fifo() on HSW
        drm/i915: Force ringbuffers to not be at offset 0
        drm/i915: Adjust size of PIPE_CONTROL used for gen8 render seqno write
        drm/i915/skl: Fix spurious gpu hang with gt3/gt4 revs
        drm/i915/skl: Fix rc6 based gpu/system hang
        drm/i915/userptr: Hold mmref whilst calling get-user-pages
    • Linus Torvalds's avatar
      Merge tag 'sound-4.6-rc5' of git:// · d4b05288
      Linus Torvalds authored
      Pull sound fixes from Takashi Iwai:
       "Again a relatively calm week without surprise: most of fixes are about
        HD-audio, including fixes for Cirrus codec regression and a race over
        regmap access.  Although both change are slightly unintuitive, the
        risk of further breakage is quite low, I hope.
        Other than that, all the rest are trivial"
      * tag 'sound-4.6-rc5' of git://
        ALSA: hda - Fix possible race on regmap bypass flip
        ALSA: pcxhr: Fix missing mutex unlock
        ALSA: hda - add PCI ID for Intel Broxton-T
        ALSA: hda - Keep powering up ADCs on Cirrus codecs
        ALSA: hda/realtek - Add ALC3234 headset mode for Optiplex 9020m
        ALSA - hda: hdmi check NULL pointer in hdmi_set_chmap
        ALSA: hda - Don't trust the reported actual power state
    • Greg Kroah-Hartman's avatar
      Merge tag 'phy-for-4.6-rc' of... · d40d3347
      Greg Kroah-Hartman authored
      Merge tag 'phy-for-4.6-rc' of git:// into usb-linus
      Kishon writes:
      phy: for 4.6-rc
      *) make rockchip-dp and rockchip-emmc PHY child device of
      Signed-off-by: default avatarKishon Vijay Abraham I <>
    • Tony Luck's avatar
      x86 EDAC, sb_edac.c: Take account of channel hashing when needed · ea5dfb5f
      Tony Luck authored
      Haswell and Broadwell can be configured to hash the channel
      interleave function using bits [27:12] of the physical address.
      On those processor models we must check to see if hashing is
      enabled (bit21 of the HASWELL_HASYSDEFEATURE2 register) and
      act accordingly.
      Based on a patch by patrickg <>
      Tested-by: default avatarPatrick Geary <>
      Signed-off-by: default avatarTony Luck <>
      Acked-by: default avatarMauro Carvalho Chehab <>
      Cc: Aristeu Rozanski <>
      Cc: Borislav Petkov <>
      Cc: Linus Torvalds <>
      Cc: Peter Zijlstra <>
      Cc: Thomas Gleixner <>
      Signed-off-by: default avatarIngo Molnar <>
    • Tony Luck's avatar
      x86 EDAC, sb_edac.c: Repair damage introduced when "fixing" channel address · ff15e95c
      Tony Luck authored
      In commit:
        eb1af3b7 ("Fix computation of channel address")
      I switched the "sck_way" variable from holding the log2 value read
      from the h/w to instead be the actual number. Unfortunately it
      is needed in log2 form when used to shift the address.
      Tested-by: default avatarPatrick Geary <>
      Signed-off-by: default avatarTony Luck <>
      Acked-by: default avatarMauro Carvalho Chehab <>
      Cc: Aristeu Rozanski <>
      Cc: Borislav Petkov <>
      Cc: Linus Torvalds <>
      Cc: Peter Zijlstra <>
      Cc: Thomas Gleixner <>
      Fixes: eb1af3b7 ("Fix computation of channel address")
      Signed-off-by: default avatarIngo Molnar <>
    • Greg Kroah-Hartman's avatar
      Merge tag 'fixes-for-v4.6-rc5' of... · 5813dea9
      Greg Kroah-Hartman authored
      Merge tag 'fixes-for-v4.6-rc5' of git:// into usb-linus
      Felipe writes:
      usb: fixes for v4.6-rc5
      No more major fixes left. Out of the 6 fixes we have
      here, 4 are on dwc3.
      The most important is the memory leak fix in
      dwc3/debugfs.c. We also have a fix for PHY handling
      in suspend/resume and a fix for dwc3-omap's error
      Suspend/resume also had the potential to trigger a
      NULL pointer dereference on dwc3; that's also fixed
      Our good ol' ffs function gets a use-after-free fix
      while the generic composite.c layer has a robustness
      fix by making sure reserved fields of a possible SSP
      device capability descriptor is cleared to 0.
    • Jan Beulich's avatar
      x86/mm/xen: Suppress hugetlbfs in PV guests · 103f6112
      Jan Beulich authored
      Huge pages are not normally available to PV guests. Not suppressing
      hugetlbfs use results in an endless loop of page faults when user mode
      code tries to access a hugetlbfs mapped area (since the hypervisor
      denies such PTEs to be created, but error indications can't be
      propagated out of xen_set_pte_at(), just like for various of its
      siblings), and - once killed in an oops like this:
        kernel BUG at .../fs/hugetlbfs/inode.c:428!
        invalid opcode: 0000 [#1] SMP
        RIP: e030:[<ffffffff811c333b>]  [<ffffffff811c333b>] remove_inode_hugepages+0x25b/0x320
        Call Trace:
         [<ffffffff811c3415>] hugetlbfs_evict_inode+0x15/0x40
         [<ffffffff81167b3d>] evict+0xbd/0x1b0
         [<ffffffff8116514a>] __dentry_kill+0x19a/0x1f0
         [<ffffffff81165b0e>] dput+0x1fe/0x220
         [<ffffffff81150535>] __fput+0x155/0x200
         [<ffffffff81079fc0>] task_work_run+0x60/0xa0
         [<ffffffff81063510>] do_exit+0x160/0x400
         [<ffffffff810637eb>] do_group_exit+0x3b/0xa0
         [<ffffffff8106e8bd>] get_signal+0x1ed/0x470
         [<ffffffff8100f854>] do_signal+0x14/0x110
         [<ffffffff810030e9>] prepare_exit_to_usermode+0xe9/0xf0
         [<ffffffff814178a5>] retint_user+0x8/0x13
      This is CVE-2016-3961 / XSA-174.
      Reported-by: default avatarVitaly Kuznetsov <>
      Signed-off-by: default avatarJan Beulich <>
      Cc: Andrew Morton <>
      Cc: Andy Lutomirski <>
      Cc: Boris Ostrovsky <>
      Cc: Borislav Petkov <>
      Cc: Brian Gerst <>
      Cc: David Vrabel <>
      Cc: Denys Vlasenko <>
      Cc: H. Peter Anvin <>
      Cc: Juergen Gross <>
      Cc: Linus Torvalds <>
      Cc: Luis R. Rodriguez <>
      Cc: Peter Zijlstra <>
      Cc: Thomas Gleixner <>
      Cc: Toshi Kani <>
      Cc: xen-devel <>
      Link: default avatarIngo Molnar <>
    • Juergen Gross's avatar
      x86/doc: Correct limits in Documentation/x86/x86_64/mm.txt · 78b0634d
      Juergen Gross authored
      Correct the size of the module mapping space and the maximum available
      physical memory size of current processors.
      Signed-off-by: default avatarJuergen Gross <>
      Cc: Linus Torvalds <>
      Cc: Peter Zijlstra <>
      Cc: Thomas Gleixner <>
      Link: default avatarIngo Molnar <>
    • Sebastian Andrzej Siewior's avatar
      cpu/hotplug: Fix rollback during error-out in __cpu_disable() · 3b9d6da6
      Sebastian Andrzej Siewior authored
      The recent introduction of the hotplug thread which invokes the callbacks on
      the plugged cpu, cased the following regression:
      If takedown_cpu() fails, then we run into several issues:
       1) The rollback of the target cpu states is not invoked. That leaves the smp
          threads and the hotplug thread in disabled state.
       2) notify_online() is executed due to a missing skip_onerr flag. That causes
          that both CPU_DOWN_FAILED and CPU_ONLINE notifications are invoked which
          confuses quite some notifiers.
       3) The CPU_DOWN_FAILED notification is not invoked on the target CPU. That's
          not an issue per se, but it is inconsistent and in consequence blocks the
          patches which rely on these states being invoked on the target CPU and not
          on the controlling cpu. It also does not preserve the strict call order on
          rollback which is problematic for the ongoing state machine conversion as
      To fix this we add a rollback flag to the remote callback machinery and invoke
      the rollback including the CPU_DOWN_FAILED notification on the remote
      cpu. Further mark the notify online state with 'skip_onerr' so we don't get a
      double invokation.
      This workaround will go away once we moved the unplug invocation to the target
      cpu itself.
      [ tglx: Massaged changelog and moved the CPU_DOWN_FAILED notifiaction to the
        	target cpu ]
      Fixes: 4cb28ced ("cpu/hotplug: Create hotplug threads")
      Reported-by: default avatarHeiko Carstens <>
      Signed-off-by: default avatarSebastian Andrzej Siewior <>
      Cc: Martin Schwidefsky <>
      Cc: Anna-Maria Gleixner <>
      Link: default avatarThomas Gleixner <>
    • Daniel Lezcano's avatar
      clocksource/drivers/tango-xtal: Fix boot hang due to incorrect test · 16eeed7e
      Daniel Lezcano authored
      Commit 0881841f introduced a regression by inverting a test check
      after calling clocksource_mmio_init(). That results on the system to
      hang at boot time.
      Fix it by inverting the test again.
      Fixes: 0881841f ("Replace code by clocksource_mmio_init")
      Reported-by: default avatarMarc Gonzalez <>
      Signed-off-by: default avatarDaniel Lezcano <>
    • Steven Rostedt's avatar
      objtool: Fix Makefile to properly see if libelf is supported · c2bb9e32
      Steven Rostedt authored
      When doing a make allmodconfig, I hit the following compile error:
        In file included from builtin-check.c:32:0:
        elf.h:22:18: fatal error: gelf.h: No such file or directory
        compilation terminated.
      Digging into it, it appears that the $(shell ..) command in the Makefile does
      not give the proper result when it fails to find -lelf, and continues to
      compile objtool.
      Instead, use the "try-run" makefile macro to perform the test. This gives a
      proper result for both cases.
      Signed-off-by: default avatarSteven Rostedt <>
      Acked-by: default avatarJosh Poimboeuf <>
      Cc: Andrew Morton <>
      Cc: Andy Lutomirski <>
      Cc: Arnaldo Carvalho de Melo <>
      Cc: Bernd Petrovitsch <>
      Cc: Borislav Petkov <>
      Cc: Chris J Arges <>
      Cc: Jiri Slaby <>
      Cc: Linus Torvalds <>
      Cc: Michal Marek <>
      Cc: Namhyung Kim <>
      Cc: Pedro Alves <>
      Cc: Peter Zijlstra <>
      Cc: Thomas Gleixner <>
      Fixes: 442f04c3 ("objtool: Add tool to perform compile-time stack metadata validation")
      Link: default avatarIngo Molnar <>
  6. 21 Apr, 2016 4 commits