1. 15 Mar, 2016 4 commits
    • Bob Peterson's avatar
      GFS2: Don't filter out I_FREEING inodes anymore · ff34245d
      Bob Peterson authored
      This patch basically reverts a very old patch from 2008,
      , with the title
      "Alternate gfs2_iget to avoid looking up inodes being freed".
      The original patch was designed to avoid a deadlock caused by lock
      ordering with try_rgrp_unlink. The patch forced the function to not
      find inodes that were being removed by VFS. The problem is, that
      made it impossible for nodes to delete their own unlinked dinodes
      after a certain point in time, because the inode needed was not found
      by this filtering process. There is no longer a need for the patch,
      since function try_rgrp_unlink no longer locks the inode: All it does
      is queue the glock onto the delete work_queue, so there should be no
      more deadlock.
      Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
      Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
    • Bob Peterson's avatar
      GFS2: Prevent delete work from occurring on glocks used for create · a4923865
      Bob Peterson authored
      This patch tries to prevent delete work (queued via iopen callback)
      from executing if the glock is currently being used to create
      a new inode.
      Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
      Acked-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
    • Bob Peterson's avatar
      GFS2: Fix direct IO write rounding error · 2df6f471
      Bob Peterson authored
      The fsx test in xfstests was failing because it was using direct IO
      writes which were using a bad calculation. It was using
      loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); when it should be
      loff_t lstart = offset & ~(PAGE_CACHE_SIZE - 1);
      Thus, the write at offset 0x67e00 was calculating lstart to be
      0xe00, the address of our corruption. Instead, it should have been
      0x67000. This patch fixes the calculation.
      Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
      Acked-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
    • Arnd Bergmann's avatar
      gfs2: avoid uninitialized variable warning · 67893f12
      Arnd Bergmann authored
      We get a bogus warning about a potential uninitialized variable
      use in gfs2, because the compiler does not figure out that we
      never use the leaf number if get_leaf_nr() returns an error:
      fs/gfs2/dir.c: In function 'get_first_leaf':
      fs/gfs2/dir.c:802:9: warning: 'leaf_no' may be used uninitialized in this function [-Wmaybe-uninitialized]
      fs/gfs2/dir.c: In function 'dir_split_leaf':
      fs/gfs2/dir.c:1021:8: warning: 'leaf_no' may be used uninitialized in this function [-Wmaybe-uninitialized]
      Changing the 'if (!error)' to 'if (!IS_ERR_VALUE(error))' is
      sufficient to let gcc understand that this is exactly the same
      condition as in IS_ERR() so it can optimize the code path enough
      to understand it.
      Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
  2. 14 Jan, 2016 1 commit
  3. 13 Jan, 2016 11 commits
    • Linus Torvalds's avatar
      Merge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm · 67990608
      Linus Torvalds authored
      Pull oower management and ACPI updates from Rafael Wysocki:
       "As far as the number of commits goes, ACPICA takes the lead this time,
        followed by cpufreq and the device properties framework changes.
        The most significant new feature is the debugfs-based interface to the
        ACPICA's AML debugger added in the previous cycle and a new user space
        tool for accessing it.
        On the cpufreq front, the core is updated to handle governors more
        efficiently, particularly on systems where a single cpufreq policy
        object is shared between multiple CPUs, and there are quite a few
        changes in drivers (intel_pstate, cpufreq-dt etc).
        The device properties framework is updated to handle built-in (ie
        included in the kernel itself) device properties better, among other
        things by adding a fallback mechanism that will allow drivers to
        provide default properties to be used in case the plaform firmware
        doesn't provide the properties expected by them.
        The Operating Performance Points (OPP) framework gets new DT bindings
        and debugfs support.
        A new cpufreq driver for ST platforms is added and the ACPI driver for
        AMD SoCs will now support the APM X-Gene ACPI I2C device.
        The rest is mostly fixes and cleanups all over.
         - Add a debugfs-based interface for interacting with the ACPICA's AML
           debugger introduced in the previous cycle and a new user space tool
           for that, fix some bugs related to the AML debugger and clean up
           the code in question (Lv Zheng, Dan Carpenter, Colin Ian King,
           Markus Elfring).
         - Update ACPICA to upstream revision 20151218 including a number of
           fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng, Labbe
           Corentin, Prarit Bhargava, Colin Ian King, David E Box, Rafael
           In particular, the previously added erroneous support for the _SUB
           object is dropped, the concatenate operator will support all ACPI
           objects now, the Debug Object handling is improved, the SuperName
           handling of parameters being control methods is fixed, the
           ObjectType operator handling is updated to follow ACPI 5.0A and the
           handling of CondRefOf and RefOf is updated accordingly, module-
           level code will be executed after loading each ACPI table now
           (instead of being run once after all tables containing AML have
           been loaded), the Operation Region handlers management is updated
           to fix some reported problems and a the ACPICA code in the kernel
           is more in line with the upstream now.
         - Update the ACPI backlight driver to provide information on whether
           or not it will generate key-presses for brightness change hotkeys
           and update some platform drivers (dell-wmi, thinkpad_acpi) to use
           that information to avoid sending double key-events to users pace
           for these, add new ACPI backlight quirks (Hans de Goede, Aaron Lu,
           Adrien Schildknecht).
         - Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).
         - Fix the handling of the list of device IDs of device objects found
           in the ACPI namespace and add a helper for checking if there is a
           device object for a given device ID (Lukas Wunner).
         - Change the logic in the ACPI namespace scanning code to create
           struct acpi_device objects for all ACPI device objects found in the
           namespace even if _STA fails for them which helps to avoid device
           enumeration problems on Microsoft Surface 3 (Aaron Lu).
         - Add support for the APM X-Gene ACPI I2C device to the ACPI driver
           for AMD SoCs (Loc Ho).
         - Fix the long-standing issue with the DMA controller on Intel SoCs
           where ACPI tables have no power management support for the DMA
           controller itself, but it can be powered off automatically when the
           last (other) device on the SoC is powered off via ACPI and clean up
           the ACPI driver for Intel SoCs (acpi-lpss) after previous attempts
           to fix that problem (Andy Shevchenko).
         - Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
           Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
           Sinan Kaya).
         - Update the device properties framework for better handling of
           built-in properties, add support for built-in properties to the
           platform bus type, update the MFD subsystem's handling of device
           properties and add support for passing default configuration data
           as device properties to the intel-lpss MFD drivers, convert the
           designware I2C driver to use the unified device properties API and
           add a fallback mechanism for using default built-in properties if
           the platform firmware fails to provide the properties as expected
           by drivers (Andy Shevchenko, Mika Westerberg, Heikki Krogerus,
           Andrew Morton).
         - Add new Device Tree bindings to the Operating Performance Points
           (OPP) framework and update the exynos4412 DT binding accordingly,
           introduce debugfs support for the OPP framework (Viresh Kumar,
           Bartlomiej Zolnierkiewicz).
         - Migrate the mt8173 cpufreq driver to the new OPP bindings (Pi-Cheng
         - Update the cpufreq core to make the handling of governors more
           efficient, especially on systems where policy objects are shared
           between multiple CPUs (Viresh Kumar, Rafael Wysocki).
         - Fix cpufreq governor handling on configurations with
           CONFIG_HZ_PERIODIC set (Chen Yu).
         - Clean up the cpufreq core code related to the boost sysfs knob
           support and update the ACPI cpufreq driver accordingly (Rafael
         - Add a new cpufreq driver for ST platforms and corresponding Device
           Tree bindings (Lee Jones).
         - Update the intel_pstate driver to allow the P-state selection
           algorithm used by it to depend on the CPU ID of the processor it is
           running on, make it use a special P-state selection algorithm (with
           an IO wait time compensation tweak) on Atom CPUs based on the
           Airmont and Silvermont cores so as to reduce their energy
           consumption and improve intel_pstate documentation (Philippe
           Longepe, Srinivas Pandruvada).
         - Update the cpufreq-dt driver to support registering cooling devices
           that use the (P * V^2 * f) dynamic power draw formula where V is
           the voltage, f is the frequency and P is a constant coefficient
           provided by Device Tree and update the arm_big_little cpufreq
           driver to use that support (Punit Agrawal).
         - Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
           blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia, Jacob
           Tanenbaum, Markus Elfring).
         - cpuidle core tweaks related to polling and measured_us calculation
           (Rik van Riel).
         - Removal of modularity from a few cpuidle drivers (clps711x, ux500,
           exynos) that cannot be built as modules in practice (Paul
         - PM core update to prevent devices from being probed during system
           suspend/resume which is generally problematic and may lead to
           inconsistent behavior (Grygorii Strashko).
         - Assorted updates of the PM core and related code (Julia Lawall,
           Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki, Ulf
         - PNP bus type updates (Christophe Le Roy, Heiner Kallweit).
         - PCI PM code cleanups (Jarkko Nikula, Julia Lawall).
         - cpupower tool updates (Jacob Tanenbaum, Thomas Renninger)"
      * tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (177 commits)
        PM / clk: don't leave clocks enabled when driver not bound
        i2c: dw: Add APM X-Gene ACPI I2C device support
        ACPI / APD: Add APM X-Gene ACPI I2C device support
        ACPI / LPSS: change 'does not have' to 'has' in comment
        Revert "dmaengine: dw: platform: provide platform data for Intel"
        dmaengine: dw: return immediately from IRQ when DMA isn't in use
        dmaengine: dw: platform: power on device on shutdown
        ACPI / LPSS: override power state for LPSS DMA device
        PM / OPP: Use snprintf() instead of sprintf()
        Documentation: cpufreq: intel_pstate: enhance documentation
        ACPI, PCI, irq: remove redundant check for null string pointer
        ACPI / video: driver must be registered before checking for keypresses
        cpufreq-dt: fix handling regulator_get_voltage() result
        cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
        PM / sleep: Add support for read-only sysfs attributes
        ACPI: Fix white space in a structure definition
        ACPI / SBS: fix inconsistent indenting inside if statement
        PNP: respect PNP_DRIVER_RES_DO_NOT_CHANGE when detaching
        ACPI / PNP: constify device IDs
        ACPI / PCI: Simplify acpi_penalize_isa_irq()
    • Linus Torvalds's avatar
      Merge tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · c17488d0
      Linus Torvalds authored
      Pull tracing updates from Steven Rostedt:
       "Not much new with tracing for this release.  Mostly just clean ups and
        minor fixes.
        Here's what else is new:
         - A new TRACE_EVENT_FN_COND macro, combining both _FN and _COND for
           those that want both.
         - New selftest to test the instance create and delete
         - Better debug output when ftrace fails"
      * tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (24 commits)
        ftrace: Fix the race between ftrace and insmod
        ftrace: Add infrastructure for delayed enabling of module functions
        x86: ftrace: Fix the comments for ftrace_modify_code_direct()
        tracing: Fix comment to use tracing_on over tracing_enable
        metag: ftrace: Fix the comments for ftrace_modify_code
        sh: ftrace: Fix the comments for ftrace_modify_code()
        ia64: ftrace: Fix the comments for ftrace_modify_code()
        ftrace: Clean up ftrace_module_init() code
        ftrace: Join functions ftrace_module_init() and ftrace_init_module()
        tracing: Introduce TRACE_EVENT_FN_COND macro
        tracing: Use seq_buf_used() in seq_buf_to_user() instead of len
        bpf: Constify bpf_verifier_ops structure
        ftrace: Have ftrace_ops_get_func() handle RCU and PER_CPU flags too
        ftrace: Remove use of control list and ops
        ftrace: Fix output of enabled_functions for showing tramp
        ftrace: Fix a typo in comment
        ftrace: Show all tramps registered to a record on ftrace_bug()
        ftrace: Add variable ftrace_expected for archs to show expected code
        ftrace: Add new type to distinguish what kind of ftrace_bug()
        tracing: Update cond flag when enabling or disabling a trigger
    • Linus Torvalds's avatar
      Merge branch 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup · 34a9304a
      Linus Torvalds authored
      Pull cgroup updates from Tejun Heo:
       - cgroup v2 interface is now official.  It's no longer hidden behind a
         devel flag and can be mounted using the new cgroup2 fs type.
         Unfortunately, cpu v2 interface hasn't made it yet due to the
         discussion around in-process hierarchical resource distribution and
         only memory and io controllers can be used on the v2 interface at the
       - The existing documentation which has always been a bit of mess is
         relocated under Documentation/cgroup-v1/. Documentation/cgroup-v2.txt
         is added as the authoritative documentation for the v2 interface.
       - Some features are added through for-4.5-ancestor-test branch to
         enable netfilter xt_cgroup match to use cgroup v2 paths.  The actual
         netfilter changes will be merged through the net tree which pulled in
         the said branch.
       - Various cleanups
      * 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
        cgroup: rename cgroup documentations
        cgroup: fix a typo.
        cgroup: Remove resource_counter.txt in Documentation/cgroup-legacy/00-INDEX.
        cgroup: demote subsystem init messages to KERN_DEBUG
        cgroup: Fix uninitialized variable warning
        cgroup: put controller Kconfig options in meaningful order
        cgroup: clean up the kernel configuration menu nomenclature
        cgroup_pids: fix a typo.
        Subject: cgroup: Fix incomplete dd command in blkio documentation
        cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends
        cpuset: Replace all instances of time_t with time64_t
        cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation
        cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/
        cgroup: replace __DEVEL__sane_behavior with cgroup2 fs type
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next · aee3bfa3
      Linus Torvalds authored
      Pull networking updates from Davic Miller:
       1) Support busy polling generically, for all NAPI drivers.  From Eric
       2) Add byte/packet counter support to nft_ct, from Floriani Westphal.
       3) Add RSS/XPS support to mvneta driver, from Gregory Clement.
       4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
          Frederic Sowa.
       5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.
       6) Add support for VLAN device bridging to mlxsw switch driver, from
          Ido Schimmel.
       7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.
       8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.
       9) Reorganize wireless drivers into per-vendor directories just like we
          do for ethernet drivers.  From Kalle Valo.
      10) Provide a way for administrators "destroy" connected sockets via the
          SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.
      11) Add support to add/remove multicast routes via netlink, from Nikolay
      12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.
      13) Add forwarding and packet duplication facilities to nf_tables, from
          Pablo Neira Ayuso.
      14) Dead route support in MPLS, from Roopa Prabhu.
      15) TSO support for thunderx chips, from Sunil Goutham.
      16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.
      17) Rationalize, consolidate, and more completely document the checksum
          offloading facilities in the networking stack.  From Tom Herbert.
      18) Support aborting an ongoing scan in mac80211/cfg80211, from
          Vidyullatha Kanchanapally.
      19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.
      * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
        net: bnxt: always return values from _bnxt_get_max_rings
        net: bpf: reject invalid shifts
        phonet: properly unshare skbs in phonet_rcv()
        dwc_eth_qos: Fix dma address for multi-fragment skbs
        phy: remove an unneeded condition
        mdio: remove an unneed condition
        mdio_bus: NULL dereference on allocation error
        net: Fix typo in netdev_intersect_features
        net: freescale: mac-fec: Fix build error from phy_device API change
        net: freescale: ucc_geth: Fix build error from phy_device API change
        bonding: Prevent IPv6 link local address on enslaved devices
        IB/mlx5: Add flow steering support
        net/mlx5_core: Export flow steering API
        net/mlx5_core: Make ipv4/ipv6 location more clear
        net/mlx5_core: Enable flow steering support for the IB driver
        net/mlx5_core: Initialize namespaces only when supported by device
        net/mlx5_core: Set priority attributes
        net/mlx5_core: Connect flow tables
        net/mlx5_core: Introduce modify flow table command
        net/mlx5_core: Managing root flow table
    • Linus Torvalds's avatar
      Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 · c597b6bc
      Linus Torvalds authored
      Pull crypto update from Herbert Xu:
         - Add RSA padding algorithm
         - Add GCM mode support to atmel
         - Add atmel support for SAMA5D2 devices
         - Add cipher modes to talitos
         - Add rockchip driver for rk3288
         - Add qat support for C3XXX and C62X"
      * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits)
        crypto: hifn_795x, picoxcell - use ablkcipher_request_cast
        crypto: qat - fix SKU definiftion for c3xxx dev
        crypto: qat - Fix random config build issue
        crypto: ccp - use to_pci_dev and to_platform_device
        crypto: qat - Rename dh895xcc mmp firmware
        crypto: 842 - remove WARN inside printk
        crypto: atmel-aes - add debug facilities to monitor register accesses.
        crypto: atmel-aes - add support to GCM mode
        crypto: atmel-aes - change the DMA threshold
        crypto: atmel-aes - fix the counter overflow in CTR mode
        crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686
        crypto: atmel-aes - create sections to regroup functions by usage
        crypto: atmel-aes - fix typo and indentation
        crypto: atmel-aes - use SIZE_IN_WORDS() helper macro
        crypto: atmel-aes - improve performances of data transfer
        crypto: atmel-aes - fix atmel_aes_remove()
        crypto: atmel-aes - remove useless AES_FLAGS_DMA flag
        crypto: atmel-aes - reduce latency of DMA completion
        crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev
        crypto: atmel-aes - rework crypto request completion
    • Linus Torvalds's avatar
      Merge tag 'upstream-4.5-rc1' of git://git.infradead.org/linux-ubifs · 60b7eca1
      Linus Torvalds authored
      Pull UBI/UBIFS updates from Richard Weinberger:
       "This contains three changes - two cleanups and one UBI wear leveling
        improvement by Sebastian Siewior"
      * tag 'upstream-4.5-rc1' of git://git.infradead.org/linux-ubifs:
        ubifs: Use XATTR_*_PREFIX_LEN
        UBIFS: add a comment in key.h for unused parameter
        mtd: ubi: wl: avoid erasing a PEB which is empty
    • Linus Torvalds's avatar
      Merge tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs · 420d12d6
      Linus Torvalds authored
      Pull configfs updates from Christoph Hellwig:
       "I'm assisting Joel as co-maintainer and patch monkey now, and you will
        see pull reuquests from me for a while.
        Besides the MAINTAINERS update there is just a single change, which
        adds support for binary attributes to configfs, which are very similar
        to the sysfs binary attributes.  Thanks to Pantelis Antoniou!
        You will see another actually bigger set of configfs changes in the
        SCSI target pull from Nic - those were merged before this new tree
        even existed"
      * tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs:
        configfs: add myself as co-maintainer, updated git tree
        configfs: implement binary attributes
    • Linus Torvalds's avatar
      Merge tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 · 4d589677
      Linus Torvalds authored
      Pull GFS2 updates from Bob Peterson:
       "Here is a list of patches we've accumulated for GFS2 for the current
        upstream merge window.  Last window's set was short, but I warned that
        this one would be bigger, and so it is.  We've got 19 patches:
         - A patch from Abhi Das to propagate the GFS2_DIF_SYSTEM bit so that
           newly added journals don't get flagged, deleted, and recreated by
         - Two patches from Andreas Gruenbacher to improve GFS2 performance
           where extended attributes are involved.
         - A patch from Andy Price to fix a suspicious rcu dereference error.
         - Two patches from Ben Marzinski that rework how GFS2's NFS cookies
           are managed.  This fixes readdir problems with nfs-over-gfs2.
         - A patch from Ben Marzinski that fixes a race in unmounting GFS2.
         - A set of four patches from me to move the resource group
           reservations inside the gfs2 inode to improve performance and fix a
           bug whereby get_write_access improperly prevented some operations
           like chown.
         - A patch from me to spinlock-protect the setting of system statfs
           file data.  This was causing small discrepancies between df and du.
         - A patch from me to reintroduce a timeout while clearing glocks
           which was accidentally dropped some time ago.
         - A patch from me to wait for iopen glock dequeues in order to
           improve deleting of files that were unlinked from a different
           cluster node.
         - A patch from me to ensure metadata address spaces get truncated
           when an inode is evicted.
         - A patch from me to fix a bug in which a memory leak could occur in
           some error cases when inodes were trying to be created.
         - A patch to consistently use iopen glocks to transition from the
           unlinked state to the deleted state.
         - A patch to fix a glock reference count error when inode creation
         - A patch from Junxiao Bi to fix an flock panic.
         - A patch from Markus Elfring that removes an unnecessary if"
      * tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
        gfs2: fix flock panic issue
        GFS2: Don't do glock put on when inode creation fails
        GFS2: Always use iopen glock for gl_deletes
        GFS2: Release iopen glock in gfs2_create_inode error cases
        GFS2: Truncate address space mapping when deleting an inode
        GFS2: Wait for iopen glock dequeues
        gfs2: clear journal live bit in	gfs2_log_flush
        gfs2: change gfs2 readdir cookie
        gfs2: keep offset when splitting dir leaf blocks
        GFS2: Reintroduce a timeout in function gfs2_gl_hash_clear
        GFS2: Update master statfs buffer with sd_statfs_spin locked
        GFS2: Reduce size of incore inode
        GFS2: Make rgrp reservations part of the gfs2_inode structure
        GFS2: Extract quota data from reservations structure (revert 5407e242)
        gfs2: Extended attribute readahead optimization
        gfs2: Extended attribute readahead
        GFS2: Use rht_for_each_entry_rcu in glock_hash_walk
        GFS2: Delete an unnecessary check before the function call "iput"
        gfs2: Automatically set GFS2_DIF_SYSTEM flag on system files
    • Linus Torvalds's avatar
      Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · 33caf82a
      Linus Torvalds authored
      Pull misc vfs updates from Al Viro:
       "All kinds of stuff.  That probably should've been 5 or 6 separate
        branches, but by the time I'd realized how large and mixed that bag
        had become it had been too close to -final to play with rebasing.
        Some fs/namei.c cleanups there, memdup_user_nul() introduction and
        switching open-coded instances, burying long-dead code, whack-a-mole
        of various kinds, several new helpers for ->llseek(), assorted
        cleanups and fixes from various people, etc.
        One piece probably deserves special mention - Neil's
        lookup_one_len_unlocked().  Similar to lookup_one_len(), but gets
        called without ->i_mutex and tries to avoid ever taking it.  That, of
        course, means that it's not useful for any directory modifications,
        but things like getting inode attributes in nfds readdirplus are fine
        with that.  I really should've asked for moratorium on lookup-related
        changes this cycle, but since I hadn't done that early enough...  I
        *am* asking for that for the coming cycle, though - I'm going to try
        and get conversion of i_mutex to rwsem with ->lookup() done under lock
        taken shared.
        There will be a patch closer to the end of the window, along the lines
        of the one Linus had posted last May - mechanical conversion of
        ->i_mutex accesses to inode_lock()/inode_unlock()/inode_trylock()/
        inode_is_locked()/inode_lock_nested().  To quote Linus back then:
          |    This is an automated patch using
          |        sed 's/mutex_lock(&\(.*\)->i_mutex)/inode_lock(\1)/'
          |        sed 's/mutex_unlock(&\(.*\)->i_mutex)/inode_unlock(\1)/'
          |        sed 's/mutex_lock_nested(&\(.*\)->i_mutex,[     ]*I_MUTEX_\([A-Z0-9_]*\))/inode_lock_nested(\1, I_MUTEX_\2)/'
          |        sed 's/mutex_is_locked(&\(.*\)->i_mutex)/inode_is_locked(\1)/'
          |        sed 's/mutex_trylock(&\(.*\)->i_mutex)/inode_trylock(\1)/'
          |    with a very few manual fixups
        I'm going to send that once the ->i_mutex-affecting stuff in -next
        gets mostly merged (or when Linus says he's about to stop taking
      * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
        nfsd: don't hold i_mutex over userspace upcalls
        fs:affs:Replace time_t with time64_t
        fs/9p: use fscache mutex rather than spinlock
        proc: add a reschedule point in proc_readfd_common()
        logfs: constify logfs_block_ops structures
        fcntl: allow to set O_DIRECT flag on pipe
        fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
        fs: xattr: Use kvfree()
        [s390] page_to_phys() always returns a multiple of PAGE_SIZE
        nbd: use ->compat_ioctl()
        fs: use block_device name vsprintf helper
        lib/vsprintf: add %*pg format specifier
        fs: use gendisk->disk_name where possible
        poll: plug an unused argument to do_poll
        amdkfd: don't open-code memdup_user()
        cdrom: don't open-code memdup_user()
        rsxx: don't open-code memdup_user()
        mtip32xx: don't open-code memdup_user()
        [um] mconsole: don't open-code memdup_user_nul()
        [um] hostaudio: don't open-code memdup_user()
    • Linus Torvalds's avatar
      Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · ca9706a2
      Linus Torvalds authored
      Pull iov_iter infrastructure updates from Al Viro:
       "A couple of iov_iter updates"
      * 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        iov_iter: export import_single_range()
        iov_iter: constify {csum_and_,}copy_to_iter()
    • Linus Torvalds's avatar
      Merge branch 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · fce205e9
      Linus Torvalds authored
      Pull vfs copy_file_range updates from Al Viro:
       "Several series around copy_file_range/CLONE"
      * 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        btrfs: use new dedupe data function pointer
        vfs: hoist the btrfs deduplication ioctl to the vfs
        vfs: wire up compat ioctl for CLONE/CLONE_RANGE
        cifs: avoid unused variable and label
        nfsd: implement the NFSv4.2 CLONE operation
        nfsd: Pass filehandle to nfs4_preprocess_stateid_op()
        vfs: pull btrfs clone API to vfs layer
        locks: new locks_mandatory_area calling convention
        vfs: Add vfs_copy_file_range() support for pagecache copies
        btrfs: add .copy_file_range file operation
        x86: add sys_copy_file_range to syscall tables
        vfs: add copy_file_range syscall and vfs helper
  4. 12 Jan, 2016 24 commits
    • Linus Torvalds's avatar
      Merge tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux · 065019a3
      Linus Torvalds authored
      Pull file locking updates from Jeff Layton:
       "File locking related changes for v4.5 (pile #1)
         - new Kconfig option to allow disabling mandatory locking (which is
           racy anyway)
         - new tracepoints for setlk and close codepaths
         - fix for a long-standing bug in code that handles races between
           setting a POSIX lock and close()"
      * tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux:
        locks: rename __posix_lock_file to posix_lock_inode
        locks: prink more detail when there are leaked locks
        locks: pass inode pointer to locks_free_lock_context
        locks: sprinkle some tracepoints around the file locking code
        locks: don't check for race with close when setting OFD lock
        locks: fix unlock when fcntl_setlk races with a close
        fs: make locks.c explicitly non-modular
        locks: use list_first_entry_or_null()
        locks: Don't allow mounts in user namespaces to enable mandatory locking
        locks: Allow disabling mandatory locking at compile time
    • Arnd Bergmann's avatar
      net: bnxt: always return values from _bnxt_get_max_rings · 415b6f19
      Arnd Bergmann authored
      Newly added code in the bnxt driver uses a couple of variables that
      are never initialized when CONFIG_BNXT_SRIOV is not set, and gcc
      correctly warns about that:
      In file included from include/linux/list.h:8:0,
                       from include/linux/module.h:9,
                       from drivers/net/ethernet/broadcom/bnxt/bnxt.c:10:
      drivers/net/ethernet/broadcom/bnxt/bnxt.c: In function 'bnxt_get_max_rings':
      include/linux/kernel.h:794:26: warning: 'cp' may be used uninitialized in this function [-Wmaybe-uninitialized]
      include/linux/kernel.h:794:26: warning: 'tx' may be used uninitialized in this function [-Wmaybe-uninitialized]
      drivers/net/ethernet/broadcom/bnxt/bnxt.c:5730:11: warning: 'rx' may be used uninitialized in this function [-Wmaybe-uninitialized]
      drivers/net/ethernet/broadcom/bnxt/bnxt.c:5736:6: note: 'rx' was declared here
      This changes the condition so that we fall back to using the PF
      data if VF is not available, and always initialize the variables
      to something useful.
      Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      Fixes: 6e6c5a57
       ("bnxt_en: Modify bnxt_get_max_rings() to support shared or non shared rings.")
      Acked-by: default avatarMichael Chan <mchan@broadcom.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Rabin Vincent's avatar
      net: bpf: reject invalid shifts · 229394e8
      Rabin Vincent authored
      On ARM64, a BUG() is triggered in the eBPF JIT if a filter with a
      constant shift that can't be encoded in the immediate field of the
      UBFM/SBFM instructions is passed to the JIT.  Since these shifts
      amounts, which are negative or >= regsize, are invalid, reject them in
      the eBPF verifier and the classic BPF filter checker, for all
      Signed-off-by: default avatarRabin Vincent <rabin@rab.in>
      Acked-by: default avatarAlexei Starovoitov <ast@kernel.org>
      Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Linus Torvalds's avatar
      Merge branch 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml · 4f31d774
      Linus Torvalds authored
      Pull UML updates from Richard Weinberger:
       "This contains beside of random fixes/cleanups two bigger changes:
         - seccomp support by Mickaël Salaün
         - IRQ rework by Anton Ivanov"
      * 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
        um: Use race-free temporary file creation
        um: Do not set unsecure permission for temporary file
        um: Fix build error and kconfig for i386
        um: Add seccomp support
        um: Add full asm/syscall.h support
        selftests/seccomp: Remove the need for HAVE_ARCH_TRACEHOOK
        um: Fix ptrace GETREGS/SETREGS bugs
        um: link with -lpthread
        um: Update UBD to use pread/pwrite family of functions
        um: Do not change hard IRQ flags in soft IRQ processing
        um: Prevent IRQ handler reentrancy
        uml: flush stdout before forking
        uml: fix hostfs mknod()
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm · 1baa5efb
      Linus Torvalds authored
      Pull KVM updates from Paolo Bonzini:
       "PPC changes will come next week.
         - s390: Support for runtime instrumentation within guests, support of
           248 VCPUs.
         - ARM: rewrite of the arm64 world switch in C, support for 16-bit VM
           identifiers.  Performance counter virtualization missed the boat.
         - x86: Support for more Hyper-V features (synthetic interrupt
           controller), MMU cleanups"
      * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (115 commits)
        kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
        kvm/x86: Hyper-V SynIC timers tracepoints
        kvm/x86: Hyper-V SynIC tracepoints
        kvm/x86: Update SynIC timers on guest entry only
        kvm/x86: Skip SynIC vector check for QEMU side
        kvm/x86: Hyper-V fix SynIC timer disabling condition
        kvm/x86: Reorg stimer_expiration() to better control timer restart
        kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
        kvm/x86: Drop stimer_stop() function
        kvm/x86: Hyper-V timers fix incorrect logical operation
        KVM: move architecture-dependent requests to arch/
        KVM: renumber vcpu->request bits
        KVM: document which architecture uses each request bit
        KVM: Remove unused KVM_REQ_KICK to save a bit in vcpu->requests
        kvm: x86: Check kvm_write_guest return value in kvm_write_wall_clock
        KVM: s390: implement the RI support of guest
        kvm/s390: drop unpaired smp_mb
        kvm: x86: fix comment about {mmu,nested_mmu}.gva_to_gpa
        KVM: x86: MMU: Use clear_page() instead of init_shadow_page_table()
        arm/arm64: KVM: Detect vGIC presence at runtime
    • Linus Torvalds's avatar
      Merge tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip · c9bed1cf
      Linus Torvalds authored
      Pull xen updates from David Vrabel:
       "Xen features and fixes for 4.5-rc0:
         - Stolen ticks and PV wallclock support for arm/arm64
         - Add grant copy ioctl to gntdev device"
      * tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
        xen/gntdev: add ioctl for grant copy
        x86/xen: don't reset vcpu_info on a cancelled suspend
        xen/gntdev: constify mmu_notifier_ops structures
        xen/grant-table: constify gnttab_ops structure
        xen/time: use READ_ONCE
        xen/x86: convert remaining timespec to timespec64 in xen_pvclock_gtod_notify
        xen/x86: support XENPF_settime64
        xen/arm: set the system time in Xen via the XENPF_settime64 hypercall
        xen/arm: introduce xen_read_wallclock
        arm: extend pvclock_wall_clock with sec_hi
        xen: introduce XENPF_settime64
        xen/arm: introduce HYPERVISOR_platform_op on arm and arm64
        xen: rename dom0_op to platform_op
        xen/arm: account for stolen ticks
        arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
        arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
        missing include asm/paravirt.h in cputime.c
        xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c
    • Linus Torvalds's avatar
      Merge branch 'for-linux-next' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming · 75777c18
      Linus Torvalds authored
      Pull tiny c6x update from Mark Salter.
      * 'for-linux-next' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
        c6x: Use generic clkdev.h header
    • Linus Torvalds's avatar
      Merge branch 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm · c3ce79d6
      Linus Torvalds authored
      Pull component updates from Russell King:
       "Updates for the component helper merged last year.
        This update removes the old add_components method of detecting and
        looking up the components associated with a master device.  Last time
        I checked during the 4.4-rc cycle, there were no users of the old
        interfaces, as has been the case for some time now.  Breakage due to
        conflicting development is possible, in which case this pull will have
        to be reverted - however, these changes have been in linux-next since
        Dec 7th without any problems reported.
        Removal of that then allows us to change the way we track components
        internally, allowing us to release data that has been used for
        matching at the appropriate time, thereby allowing any resource leaks
        caused by that missing functionality to be resolved"
      * 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
        component: add support for releasing match data
        component: track components via array rather than list
        component: move check for unbound master into try_to_bring_up_masters()
        component: remove old add_components method
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm · 01e9d226
      Linus Torvalds authored
      Pull ARM updates from Russell King:
       - UEFI boot and runtime services support for ARM from Ard Biesheuvel
         and Roy Franz.
       - DT compatibility with old atags booting protocol for Nokia N900
         devices from Ivaylo Dimitrov.
       - PSCI firmware interface using new arm-smc calling convention from
         Jens Wiklander.
       - Runtime patching for udiv/sdiv instructions for ARMv7 CPUs that
         support these instructions from Nicolas Pitre.
       - L2x0 cache updates from Dirk B and Linus Walleij.
       - Randconfig fixes from Arnd Bergmann.
       - ARMv7M (nommu) updates from Ezequiel Garcia
      * 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (34 commits)
        ARM: 8481/2: drivers: psci: replace psci firmware calls
        ARM: 8480/2: arm64: add implementation for arm-smccc
        ARM: 8479/2: add implementation for arm-smccc
        ARM: 8478/2: arm/arm64: add arm-smccc
        ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
        ARM: 8496/1: OMAP: RX51: save ATAGS data in the early boot stage
        ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
        ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
        ARM: 8482/1: l2x0: make it possible to disable outer sync from DT
        ARM: 8488/1: Make IPI_CPU_BACKTRACE a "non-secure" SGI
        ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
        ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
        ARM: 8484/1: Documentation: l2c2x0: Mention separate controllers explicitly
        ARM: 8483/1: Documentation: l2c: Rename l2cc to l2c2x0
        ARM: 8477/1: runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()
        ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check
        ARM: 8453/2: proc-v7.S: don't locate temporary stack space in .text section
        ARM: add UEFI stub support
        ARM: wire up UEFI init and runtime support
        ARM: only consider memblocks with NOMAP cleared for linear mapping
    • Linus Torvalds's avatar
      Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · 541d284b
      Linus Torvalds authored
      Pull arm[64] perf updates from Will Deacon:
       "In the past, I have funnelled perf updates through the respective
        architecture trees, but now that the arm/arm64 perf driver has been
        largely consolidated under drivers/perf/, it makes more sense to send
        a separate pull, particularly as I'm listed as maintainer for all the
        files involved.  I offered the branch to arm-soc, but Arnd suggested
        that I just send it to you directly.
        So, here is the arm/arm64 perf queue for 4.5.  The main features are
        described below, but the most useful change is from Drew, which
        advertises our architected event mapping in sysfs so that the perf
        tool is a lot more user friendly and no longer requires the use of
        magic hex constants for profiling common events.
         - Support for the CPU PMU in Cortex-A72
         - Add sysfs entries to describe the architected events and their
           mappings for PMUv{1-3}"
      * tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
        arm64: perf: add support for Cortex-A72
        arm64: perf: add format entry to describe event -> config mapping
        ARM: perf: add format entry to describe event -> config mapping
        arm64: kernel: enforce pmuserenr_el0 initialization and restore
        arm64: perf: Correct Cortex-A53/A57 compatible values
        arm64: perf: Add event descriptions
        arm64: perf: Convert event enums to #defines
        arm: perf: Add event descriptions
        arm: perf: Convert event enums to #defines
        drivers/perf: kill armpmu_register
    • Linus Torvalds's avatar
      Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · fa5fd7c6
      Linus Torvalds authored
      Pull arm64 updates from Will Deacon:
       "Here is the core arm64 queue for 4.5.  As you might expect, the
        Christmas break resulted in a number of patches not making the final
        cut, so 4.6 is likely to be larger than usual.  There's still some
        useful stuff here, however, and it's detailed below.
        The EFI changes have been Reviewed-by Matt and the memblock change got
        an "OK" from akpm.
         - Support for a separate IRQ stack, although we haven't reduced the
           size of our thread stack just yet since we don't have enough data
           to determine a safe value
         - Refactoring of our EFI initialisation and runtime code into
           drivers/firmware/efi/ so that it can be reused by arch/arm/.
         - Ftrace improvements when unwinding in the function graph tracer
         - Document our silicon errata handling process
         - Cache flushing optimisation when mapping executable pages
         - Support for hugetlb mappings using the contiguous hint in the pte"
      * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (45 commits)
        arm64: head.S: use memset to clear BSS
        efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
        arm64: entry: remove pointless SPSR mode check
        arm64: mm: move pgd_cache initialisation to pgtable_cache_init
        arm64: module: avoid undefined shift behavior in reloc_data()
        arm64: module: fix relocation of movz instruction with negative immediate
        arm64: traps: address fallout from printk -> pr_* conversion
        arm64: ftrace: fix a stack tracer's output under function graph tracer
        arm64: pass a task parameter to unwind_frame()
        arm64: ftrace: modify a stack frame in a safe way
        arm64: remove irq_count and do_softirq_own_stack()
        arm64: hugetlb: add support for PTE contiguous bit
        arm64: Use PoU cache instr for I/D coherency
        arm64: Defer dcache flush in __cpu_copy_user_page
        arm64: reduce stack use in irq_handler
        arm64: mm: ensure that the zero page is visible to the page table walker
        arm64: Documentation: add list of software workarounds for errata
        arm64: mm: place __cpu_setup in .text
        arm64: cmpxchg: Don't incldue linux/mmdebug.h
        arm64: mm: fold alternatives into .init
    • Linus Torvalds's avatar
      Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu · 19e2fc40
      Linus Torvalds authored
      Pull m68knommu update from Greg Ungerer:
       "Only a single change, limiting the return values for coldfire gpio get
      * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
        m68k: coldfire/gpio: Be sure to clamp return value
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k · 2945e9f1
      Linus Torvalds authored
      Pull m68k updates from Geert Uytterhoeven.
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
        m68k: Provide __phys_to_pfn() and __pfn_to_phys()
        m68k/atari, m68k/sun3: Fix SCSI platform device registration when driver is modular
        m68k/defconfig: Update defconfigs for v4.4-rc1
        m68k/mac: Kill psc_present
    • Linus Torvalds's avatar
      Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus · c5c80bd9
      Linus Torvalds authored
      Pull MIPS fixes from Ralf Baechle:
       "This is the final pull request for MIPS for 4.4.  It fixes:
         - scripts/ld-version.sh parsing of ld version numbers that contain
           large numbers as components.
         - fix parsing of version numbers as used by Fedora's ld.
        Currently scripts/ld-version.sh is only being used by MIPS"
      [ This obviously missed 4.4, so getting merged now in the merge window
        for 4.5 instead ]
      * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
        ld-version: Fix it on Fedora
        Fix ld-version.sh to handle large 3rd version part
    • Eric Dumazet's avatar
      phonet: properly unshare skbs in phonet_rcv() · 7aaed57c
      Eric Dumazet authored
      Ivaylo Dimitrov reported a regression caused by commit 7866a621
      ("dev: add per net_device packet type chains").
      skb->dev becomes NULL and we crash in __netif_receive_skb_core().
      Before above commit, different kind of bugs or corruptions could happen
      without major crash.
      But the root cause is that phonet_rcv() can queue skb without checking
      if skb is shared or not.
      Many thanks to Ivaylo Dimitrov for his help, diagnosis and tests.
      Reported-by: default avatarIvaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
      Tested-by: default avatarIvaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
      Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
      Cc: Remi Denis-Courmont <courmisch@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Lars Persson's avatar
      dwc_eth_qos: Fix dma address for multi-fragment skbs · d4618732
      Lars Persson authored
      The offset inside the fragment was not used for the dma address and
      silent data corruption resulted because TSO makes the checksum match.
      Fixes: 077742da
       ("dwc_eth_qos: Add support for Synopsys DWC Ethernet QoS")
      Signed-off-by: default avatarLars Persson <larper@axis.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Dan Carpenter's avatar
      phy: remove an unneeded condition · 47b356e4
      Dan Carpenter authored
      It used to be that bus->irq was a pointer but after e7f4dc35
      ('mdio: Move allocation of interrupts into core') it's an array inside
      the mdio struct, so it can never be NULL.  Let's remove the check.
      Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
      Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Dan Carpenter's avatar
      mdio: remove an unneed condition · 1bc16add
      Dan Carpenter authored
      It used to be that mdio->irq was a pointer but after e7f4dc35
      ('mdio: Move allocation of interrupts into core') it's an array inside
      the mdio struct so it can never be NULL.
      Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
      Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Dan Carpenter's avatar
      mdio_bus: NULL dereference on allocation error · db9107b4
      Dan Carpenter authored
      If bus = kzalloc() fails then we end up dereferencing bus when we do
      "bus->irq[i] = PHY_POLL;".  The code is a little simpler if we reverse
      the NULL check and return directly on failure.
      Fixes: e7f4dc35
       ('mdio: Move allocation of interrupts into core')
      Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
      Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    • Russell King's avatar
      Merge branch 'devel-stable' into for-linus · 6660800f
      Russell King authored
    • Huaitong Han's avatar
      kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL · 45bdbcfd
      Huaitong Han authored
      vmx_cpuid_tries to update SECONDARY_VM_EXEC_CONTROL in the VMCS, but
      it will cause a vmwrite error on older CPUs because the code does not
      check for the presence of CPU_BASED_ACTIVATE_SECONDARY_CONTROLS.
      This will get rid of the following trace on e.g. Core2 6600:
      vmwrite error: reg 401e value 10 (err 12)
      Call Trace:
      [<ffffffff8116e2b9>] dump_stack+0x40/0x57
      [<ffffffffa020b88d>] vmx_cpuid_update+0x5d/0x150 [kvm_intel]
      [<ffffffffa01d8fdc>] kvm_vcpu_ioctl_set_cpuid2+0x4c/0x70 [kvm]
      [<ffffffffa01b8363>] kvm_arch_vcpu_ioctl+0x903/0xfa0 [kvm]
      Fixes: feda805f
      Cc: stable@vger.kernel.org
      Reported-by: default avatarZdenek Kaspar <zkaspar82@gmail.com>
      Signed-off-by: default avatarHuaitong Han <huaitong.han@intel.com>
      Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
    • Linus Torvalds's avatar
      Merge tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm · 03891f9c
      Linus Torvalds authored
      Pull device mapper updates from Mike Snitzer:
       - The most significant set of changes this cycle is the Forward Error
         Correction (FEC) support that has been added to the DM verity target.
         Google uses DM verity on all Android devices and it is believed that
         this FEC support will enable DM verity to recover from storage
         failures seen since DM verity was first deployed as part of Android.
       - A stable fix for a race in the destruction of DM thin pool's
       - A stable fix for hung IO if a DM snapshot copy hit an error
       - A few small cleanups in DM core and DM persistent data.
       - A couple DM thinp range discard improvements (address atomicity of
         finding a range and the efficiency of discarding a partially mapped
         thin device)
       - Add ability to debug DM bufio leaks by recording stack trace when a
         buffer is allocated.  Upon detected leak the recorded stack is
      * tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
        dm snapshot: fix hung bios when copy error occurs
        dm thin: bump thin and thin-pool target versions
        dm thin: fix race condition when destroying thin pool workqueue
        dm space map metadata: remove unused variable in brb_pop()
        dm verity: add ignore_zero_blocks feature
        dm verity: add support for forward error correction
        dm verity: factor out verity_for_bv_block()
        dm verity: factor out structures and functions useful to separate object
        dm verity: move dm-verity.c to dm-verity-target.c
        dm verity: separate function for parsing opt args
        dm verity: clean up duplicate hashing code
        dm btree: factor out need_insert() helper
        dm bufio: use BUG_ON instead of conditional call to BUG
        dm bufio: store stacktrace in buffers to help find buffer leaks
        dm bufio: return NULL to improve code clarity
        dm block manager: cleanup code that prints stacktrace
        dm: don't save and restore bi_private
        dm thin metadata: make dm_thin_find_mapped_range() atomic
        dm thin metadata: speed up discard of partially mapped volumes
    • Linus Torvalds's avatar
      Merge tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media · 47c62e4b
      Linus Torvalds authored
      Pull media updates from Mauro Carvalho Chehab:
       "The part of patches for Kernel 4.5.  There's nothing really big here:
         - driver-specific headers for media devices were moved to separate
           directories, in order to make clear what headers belong to the core
           kABI and require documentation
         - Platform data for media drivers were moved from include/media to
         - add a driver for cs3308 8-channel volume control, used on some
           high-end capture boards
         - lirc.h kAPI header were added at include/uapi/linux
         - Driver cleanups, new board additions and improvements"
      * tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (204 commits)
        [media] rc: sunxi-cir: Initialize the spinlock properly
        [media] rtl2832: do not filter out slave TS null packets
        [media] rtl2832: print reg number on error case
        [media] rtl28xxu: return demod reg page from driver cache
        [media] coda: enable MPEG-2 ES decoding
        [media] coda: don't start streaming without queued buffers
        [media] coda: hook up vidioc_prepare_buf
        [media] coda: relax coda_jpeg_check_buffer for trailing bytes
        [media] coda: make to_coda_video_device static
        [media] s5p-mfc: remove volatile attribute from MFC register addresses
        [media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
        [media] s5p-mfc: use spinlock to protect MFC context
        [media] s5p-mfc: remove unnecessary callbacks
        [media] s5p-mfc: make queue cleanup code common
        [media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
        [media] s5p-mfc: constify s5p_mfc_codec_ops structures
        [media] au8522: Avoid memory leak for device config data
        [media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
        [media] uvcvideo: small cleanup in uvc_video_clock_update()
        [media] uvcvideo: Fix reading the current exposure value of UVC
    • David S. Miller's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · 9d367edd
      David S. Miller authored
      The bond_main.c and mellanox switch conflicts were cases of
      overlapping changes.
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>