1. 06 Nov, 2017 2 commits
    • Rafael J. Wysocki's avatar
      PM / core: Add NEVER_SKIP and SMART_PREPARE driver flags · 08810a41
      Rafael J. Wysocki authored
      The motivation for this change is to provide a way to work around
      a problem with the direct-complete mechanism used for avoiding
      system suspend/resume handling for devices in runtime suspend.
      
      The problem is that some middle layer code (the PCI bus type and
      the ACPI PM domain in particular) returns positive values from its
      system suspend ->prepare callbacks regardless of whether the driver's
      ->prepare returns a positive value or 0, which effectively prevents
      drivers from being able to control the direct-complete feature.
      Some drivers need that control, however, and the PCI bus type has
      grown its own flag to deal with this issue, but since it is not
      limited to PCI, it is better to address it by adding driver flags at
      the core level.
      
      To that end, add a driver_flags field to struct dev_pm_info for flags
      that can be set by device drivers at the probe time to inform the PM
      core and/or bus types, PM domains and so on on the capabilities and/or
      preferences of device drivers.  Also add two static inline helpers
      for setting that field and testing it against a given set of flags
      and make the driver core clear it automatically on driver remove
      and probe failures.
      
      Define and document two PM driver flags related to the direct-
      complete feature: NEVER_SKIP and SMART_PREPARE that can be used,
      respectively, to indicate to the PM core that the direct-complete
      mechanism should never be used for the device and to inform the
      middle layer code (bus types, PM domains etc) that it can only
      request the PM core to use the direct-complete mechanism for
      the device (by returning a positive value from its ->prepare
      callback) if it also has been requested by the driver.
      
      While at it, make the core check pm_runtime_suspended() when
      setting power.direct_complete so that it doesn't need to be
      checked by ->prepare callbacks.
      Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
      Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
      Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
      Reviewed-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
      08810a41
    • Rafael J. Wysocki's avatar
      Merge branch 'acpi-pm' into pm-core · 69a10ca7
      Rafael J. Wysocki authored
      69a10ca7
  2. 24 Oct, 2017 2 commits
  3. 21 Oct, 2017 2 commits
  4. 16 Oct, 2017 2 commits
  5. 13 Oct, 2017 1 commit
  6. 11 Oct, 2017 6 commits
  7. 10 Oct, 2017 1 commit
  8. 09 Oct, 2017 2 commits
  9. 07 Oct, 2017 4 commits
  10. 06 Oct, 2017 18 commits
    • Linus Torvalds's avatar
      Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux · dbeb1a8f
      Linus Torvalds authored
      Pull clk fixes from Stephen Boyd:
      
       - build fix to export the clk_bulk_prepare() symbol
      
       - suspend fix for Samsung Exynos SoCs where we need to keep clks on
         across suspend
      
       - two critical clk markings for clks that shouldn't ever turn off on
         Rockchip SoCs
      
       - a fix for a copy-paste mistake on Rockchip rk3128 causing some clks
         to touch the same bit and trample over one another
      
      * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
        clk: samsung: exynos4: Enable VPLL and EPLL clocks for suspend/resume cycle
        clk: Export clk_bulk_prepare()
        clk: rockchip: add sclk_timer5 as critical clock on rk3128
        clk: rockchip: fix up rk3128 pvtm and mipi_24m gate regs error
        clk: rockchip: add pclk_pmu as critical clock on rk3128
      dbeb1a8f
    • Linus Torvalds's avatar
      Merge tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc · ed0f72f4
      Linus Torvalds authored
      Pull ARC udpates from Vineet Gupta:
      
       - updates for various platforms
      
       - boot log updates for upcoming HS48 family of cores (dual issue)
      
      * tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
        ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset
        ARC: [plat-hsdk]: Temporary fix to set CPU frequency to 1GHz
        ARC: fix allnoconfig build warning
        ARCv2: boot log: identify HS48 cores (dual issue)
        ARC: boot log: decontaminate ARCv2 ISA_CONFIG register
        arc: remove redundant UTS_MACHINE define in arch/arc/Makefile
        ARC: [plat-eznps] Update platform maintainer as Noam left
        ARC: [plat-hsdk] use actual clk driver to manage cpu clk
        ARC: [*defconfig] Reenable soft lock-up detector
        ARC: [plat-axs10x] sdio: Temporary fix of sdio ciu frequency
        ARC: [plat-hsdk] sdio: Temporary fix of sdio ciu frequency
        ARC: [plat-axs103] Add temporary quirk to reset ethernet IP
      ed0f72f4
    • Linus Torvalds's avatar
      Merge tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux · eab26ad1
      Linus Torvalds authored
      Pull xfs fixes from Darrick Wong:
      
       - fix a race between overlapping copy on write aio
      
       - fix cow fork swapping when we defragment reflinked files
      
      * tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
        xfs: handle racy AIO in xfs_reflink_end_cow
        xfs: always swap the cow forks when swapping extents
      eab26ad1
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.dk/linux-block · 17d084c8
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
       "A collection of fixes for this series. This contains:
      
         - NVMe pull request from Christoph, one uuid attribute fix, and one
           fix for the controller memory buffer address for remapped BARs.
      
         - use-after-free fix for bsg, from Benjamin Block.
      
         - bcache race/use-after-free fix for a list traversal, fixing a
           regression in this merge window. From Coly Li.
      
         - null_blk change configfs dependency change from a 'depends' to a
           'select'. This is a change from this merge window as well. From me.
      
         - nbd signal fix from Josef, fixing a regression introduced with the
           status code changes.
      
         - nbd MAINTAINERS mailing list entry update.
      
         - blk-throttle stall fix from Joseph Qi.
      
         - blk-mq-debugfs fix from Omar, fixing an issue where we don't
           register the IO scheduler debugfs directory, if the driver is
           loaded with it. Only shows up if you switch through the sysfs
           interface"
      
      * 'for-linus' of git://git.kernel.dk/linux-block:
        bsg-lib: fix use-after-free under memory-pressure
        nvme-pci: Use PCI bus address for data/queues in CMB
        blk-mq-debugfs: fix device sched directory for default scheduler
        null_blk: change configfs dependency to select
        blk-throttle: fix possible io stall when upgrade to max
        MAINTAINERS: update list for NBD
        nbd: fix -ERESTARTSYS handling
        nvme: fix visibility of "uuid" ns attribute
        bcache: use llist_for_each_entry_safe() in __closure_wake_up()
      17d084c8
    • Linus Torvalds's avatar
      Merge tag 'pci-v4.14-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci · 80cf1f8c
      Linus Torvalds authored
      Pull PCI fixes from Bjorn Helgaas:
       "Fix legacy IDE probe issues exposed by recent PCI core IRQ mapping
        changes (Bartlomiej Zolnierkiewicz, Lorenzo Pieralisi)"
      
      * tag 'pci-v4.14-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
        ide: fix IRQ assignment for PCI bus order probing
        ide: pci: free PCI BARs on initialization failure
        ide: free hwif->portdev on hwif_init() failure
      80cf1f8c
    • Linus Torvalds's avatar
      Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · 27549068
      Linus Torvalds authored
      Pull arm64 fixes from Catalin Marinas:
      
       - Bring initialisation of user space undefined instruction handling
         early (core_initcall) since late_initcall() happens after modprobe in
         initramfs is invoked. Similar fix for fpsimd initialisation
      
       - Increase the kernel stack when KASAN is enabled
      
       - Bring the PCI ACS enabling earlier via the
         iort_init_platform_devices()
      
       - Fix misleading data abort address printing (decimal vs hex)
      
      * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
        arm64: Ensure fpsimd support is ready before userspace is active
        arm64: Ensure the instruction emulation is ready for userspace
        arm64: Use larger stacks when KASAN is selected
        ACPI/IORT: Fix PCI ACS enablement
        arm64: fix misleading data abort decoding
      27549068
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm · 8d473320
      Linus Torvalds authored
      Pull KVM fixes from Radim Krčmář:
      
       - fix PPC XIVE interrupt delivery
      
       - fix x86 RCU breakage from asynchronous page faults when built without
         PREEMPT_COUNT
      
       - fix x86 build with -frecord-gcc-switches
      
       - fix x86 build without X86_LOCAL_APIC
      
      * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
        KVM: add X86_LOCAL_APIC dependency
        x86/kvm: Move kvm_fastop_exception to .fixup section
        kvm/x86: Avoid async PF preempting the kernel incorrectly
        KVM: PPC: Book3S: Fix server always zero from kvmppc_xive_get_xive()
      8d473320
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma · d109d83f
      Linus Torvalds authored
      Pull rdma fixes from Doug Ledford:
       "This is a pretty small pull request. Only 6 patches in total. There
        are no outstanding -rc patches on the mailing list after this pull
        request, so only if some new issues are discovered in the remainder of
        the rc cycles will you hear from me again.
      
        Summary:
         - a fix for iwpm netlink usage
         - a fix for error unwinding in mlx5
         - two fixes to vlan handling in qedr
         - a couple small i40iw fixes"
      
      * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
        i40iw: Fix port number for query QP
        i40iw: Add missing memory barriers
        RDMA/qedr: Parse vlan priority as sl
        RDMA/qedr: Parse VLAN ID correctly and ignore the value of zero
        IB/mlx5: Fix label order in error path handling
        RDMA/iwpm: Properly mark end of NL messages
      d109d83f
    • Linus Torvalds's avatar
      Merge branch 'for-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux · bf2db0b9
      Linus Torvalds authored
      Pull btrfs fixes from David Sterba:
       "Two more fixes for bugs introduced in 4.13.
      
        The sector_t problem with 32bit architecture and !LBDAF config seems
        serious but the number of affected deployments is hopefully low.
      
        The clashing status bits could lead to a confusing in-memory state of
        the whole-filesystem operations if used with the quota override sysfs
        knob"
      
      * 'for-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
        Btrfs: fix overlap of fs_info::flags values
        btrfs: avoid overflow when sector_t is 32 bit
      bf2db0b9
    • Linus Torvalds's avatar
      Merge tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-client · b77779b9
      Linus Torvalds authored
      Pull ceph fixes from Ilya Dryomov:
       "Two fixups for CephFS snapshot-handling patches in -rc1"
      
      * tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-client:
        ceph: fix __choose_mds() for LSSNAP request
        ceph: properly queue cap snap for newly created snap realm
      b77779b9
    • Eugeniy Paltsev's avatar
      ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset · ab8eb7db
      Eugeniy Paltsev authored
      DW ethernet controller on HSDK hangs sometimes after SW reset, so
      add reset node to make possible to reset DW ethernet controller HW.
      Signed-off-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
      Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
      ab8eb7db
    • Linus Torvalds's avatar
      Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs · 8d4ef4e1
      Linus Torvalds authored
      Pull overlayfs fixes from Miklos Szeredi:
       "Fix a regression in 4.14 and one in 4.13. The latter is a case when
        Docker is doing something it really shouldn't and gets away with it.
        We now print a warning instead of erroring out.
      
        There are also fixes to several error paths"
      
      * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
        ovl: fix regression caused by exclusive upper/work dir protection
        ovl: fix missing unlock_rename() in ovl_do_copy_up()
        ovl: fix dentry leak in ovl_indexdir_cleanup()
        ovl: fix dput() of ERR_PTR in ovl_cleanup_index()
        ovl: fix error value printed in ovl_lookup_index()
        ovl: fix may_write_real() for overlayfs directories
      8d4ef4e1
    • Linus Torvalds's avatar
      Merge tag 'powerpc-4.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 1249b571
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
       "Nine small fixes, really nothing that stands out.
      
        A work-around for a spurious MCE on Power9. A CXL fault handling fix,
        some fixes to the new XIVE code, and a fix to the new 32-bit
        STRICT_KERNEL_RWX code.
      
        Fixes for old code/stable: an fix to an incorrect TLB flush on boot
        but not on any current machines, a compile error on 4xx and a fix to
        memory hotplug when using radix (Power9).
      
        Thanks to: Anton Blanchard, Cédric Le Goater, Christian Lamparter,
        Christophe Leroy, Christophe Lombard, Guenter Roeck, Jeremy Kerr,
        Michael Neuling, Nicholas Piggin"
      
      * tag 'powerpc-4.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc/powernv: Increase memory block size to 1GB on radix
        powerpc/mm: Call flush_tlb_kernel_range with interrupts enabled
        powerpc/xive: Clear XIVE internal structures when a CPU is removed
        powerpc/xive: Fix IPI reset
        powerpc/4xx: Fix compile error with 64K pages on 40x, 44x
        powerpc: Fix action argument for cpufeatures-based TLB flush
        cxl: Fix memory page not handled
        powerpc: Fix workaround for spurious MCE on POWER9
        powerpc: Handle MCE on POWER9 with only DSISR bit 30 set
      1249b571
    • Linus Torvalds's avatar
      Merge tag 'drm-fixes-for-v4.14-rc4' of git://people.freedesktop.org/~airlied/linux · 9c0c1ada
      Linus Torvalds authored
      Pull drm fixes from Dave Airlie:
       "Some i915 fixes from the last two weeks (as they were on a strange
        base and I just waited for rc3), also a single sun4i hdmi fix"
      
      * tag 'drm-fixes-for-v4.14-rc4' of git://people.freedesktop.org/~airlied/linux:
        drm/i915/glk: Fix DMC/DC state idleness calculation
        drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume
        drm/i915: Fix DDI PHY init if it was already on
        drm/sun4i: hdmi: Disable clks in bind function error path and unbind function
        drm/i915/bios: ignore HDMI on port A
        drm/i915: remove redundant variable hw_check
        drm/i915: always update ELD connector type after get modes
      9c0c1ada
    • Linus Torvalds's avatar
      Merge branch 'core-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 27efed3e
      Linus Torvalds authored
      Pull watchddog clean-up and fixes from Thomas Gleixner:
       "The watchdog (hard/softlockup detector) code is pretty much broken in
        its current state. The patch series addresses this by removing all
        duct tape and refactoring it into a workable state.
      
        The reasons why I ask for inclusion that late in the cycle are:
      
         1) The code causes lockdep splats vs. hotplug locking which get
            reported over and over. Unfortunately there is no easy fix.
      
         2) The risk of breakage is minimal because it's already broken
      
         3) As 4.14 is a long term stable kernel, I prefer to have working
            watchdog code in that and the lockdep issues resolved. I wouldn't
            ask you to pull if 4.14 wouldn't be a LTS kernel or if the
            solution would be easy to backport.
      
         4) The series was around before the merge window opened, but then got
            delayed due to the UP failure caused by the for_each_cpu()
            surprise which we discussed recently.
      
        Changes vs. V1:
      
         - Addressed your review points
      
         - Addressed the warning in the powerpc code which was discovered late
      
         - Changed two function names which made sense up to a certain point
           in the series. Now they match what they do in the end.
      
         - Fixed a 'unused variable' warning, which got not detected by the
           intel robot. I triggered it when trying all possible related config
           combinations manually. Randconfig testing seems not random enough.
      
        The changes have been tested by and reviewed by Don Zickus and tested
        and acked by Micheal Ellerman for powerpc"
      
      * 'core-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
        watchdog/core: Put softlockup_threads_initialized under ifdef guard
        watchdog/core: Rename some softlockup_* functions
        powerpc/watchdog: Make use of watchdog_nmi_probe()
        watchdog/core, powerpc: Lock cpus across reconfiguration
        watchdog/core, powerpc: Replace watchdog_nmi_reconfigure()
        watchdog/hardlockup/perf: Fix spelling mistake: "permanetely" -> "permanently"
        watchdog/hardlockup/perf: Cure UP damage
        watchdog/hardlockup: Clean up hotplug locking mess
        watchdog/hardlockup/perf: Simplify deferred event destroy
        watchdog/hardlockup/perf: Use new perf CPU enable mechanism
        watchdog/hardlockup/perf: Implement CPU enable replacement
        watchdog/hardlockup/perf: Implement init time detection of perf
        watchdog/hardlockup/perf: Implement init time perf validation
        watchdog/core: Get rid of the racy update loop
        watchdog/core, powerpc: Make watchdog_nmi_reconfigure() two stage
        watchdog/sysctl: Clean up sysctl variable name space
        watchdog/sysctl: Get rid of the #ifdeffery
        watchdog/core: Clean up header mess
        watchdog/core: Further simplify sysctl handling
        watchdog/core: Get rid of the thread teardown/setup dance
        ...
      27efed3e
    • Suzuki K Poulose's avatar
      arm64: Ensure fpsimd support is ready before userspace is active · ae2e972d
      Suzuki K Poulose authored
      We register the pm/hotplug callbacks for FPSIMD as late_initcall,
      which happens after the userspace is active (from initramfs via
      populate_rootfs, a rootfs_initcall). Make sure we are ready even
      before the userspace could potentially use it, by promoting to
      a core_initcall.
      
      Cc: Will Deacon <will.deacon@arm.com>
      Cc: Mark Rutland <mark.rutland@arm.com>
      Cc: Dave Martin <dave.martin@arm.com>
      Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
      Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
      ae2e972d
    • Suzuki K Poulose's avatar
      arm64: Ensure the instruction emulation is ready for userspace · c0d8832e
      Suzuki K Poulose authored
      We trap and emulate some instructions (e.g, mrs, deprecated instructions)
      for the userspace. However the handlers for these are registered as
      late_initcalls and the userspace could be up and running from the initramfs
      by that time (with populate_rootfs, which is a rootfs_initcall()). This
      could cause problems for the early applications ending up in failure
      like :
      
      [   11.152061] modprobe[93]: undefined instruction: pc=0000ffff8ca48ff4
      
      This patch promotes the specific calls to core_initcalls, which are
      guaranteed to be completed before we hit userspace.
      
      Cc: stable@vger.kernel.org
      Cc: Dave Martin <dave.martin@arm.com>
      Cc: Matthias Brugger <mbrugger@suse.com>
      Cc: James Morse <james.morse@arm.com>
      Reported-by: default avatarMatwey V. Kornilov <matwey.kornilov@gmail.com>
      Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
      Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
      c0d8832e
    • Anton Blanchard's avatar
      powerpc/powernv: Increase memory block size to 1GB on radix · 53ecde0b
      Anton Blanchard authored
      Memory hot unplug on PowerNV radix hosts is broken. Our memory block
      size is 256MB but since we map the linear region with very large
      pages, each pte we tear down maps 1GB.
      
      A hot unplug of one 256MB memory block results in 768MB of memory
      getting unintentionally unmapped. At this point we are likely to oops.
      
      Fix this by increasing our memory block size to 1GB on PowerNV radix
      hosts.
      
      Fixes: 4b5d62ca ("powerpc/mm: add radix__remove_section_mapping()")
      Cc: stable@vger.kernel.org # v4.11+
      Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
      Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
      53ecde0b