Commit Graph

468396 Commits

Author SHA1 Message Date
Linus Torvalds
e3b1fd56f1 Main set of InfiniBand/RDMA updates for 3.17 merge window:
- MR reregistration support
  - MAD support for RMPP in userspace
  - iSER and SRP initiator updates
  - ocrdma hardware driver updates
  - other fixes...
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband/rdma updates from Roland Dreier:
 "Main set of InfiniBand/RDMA updates for 3.17 merge window:

   - MR reregistration support
   - MAD support for RMPP in userspace
   - iSER and SRP initiator updates
   - ocrdma hardware driver updates
   - other fixes..."

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (52 commits)
  IB/srp: Fix return value check in srp_init_module()
  RDMA/ocrdma: report asic-id in query device
  RDMA/ocrdma: Update sli data structure for endianness
  RDMA/ocrdma: Obtain SL from device structure
  RDMA/uapi: Include socket.h in rdma_user_cm.h
  IB/srpt: Handle GID change events
  IB/mlx5: Use ARRAY_SIZE instead of sizeof/sizeof[0]
  IB/mlx4: Use ARRAY_SIZE instead of sizeof/sizeof[0]
  RDMA/amso1100: Check for integer overflow in c2_alloc_cq_buf()
  IPoIB: Remove unnecessary test for NULL before debugfs_remove()
  IB/mad: Add user space RMPP support
  IB/mad: add new ioctl to ABI to support new registration options
  IB/mad: Add dev_notice messages for various umad/mad registration failures
  IB/mad: Update module to [pr|dev]_* style print messages
  IB/ipoib: Avoid multicast join attempts with invalid P_key
  IB/umad: Update module to [pr|dev]_* style print messages
  IB/ipoib: Avoid flushing the workqueue from worker context
  IB/ipoib: Use P_Key change event instead of P_Key polling mechanism
  IB/ipath: Add P_Key change event support
  mlx4_core: Add support for secure-host and SMP firewall
  ...
2014-08-14 11:09:05 -06:00
John Stultz
0680eb1f48 timekeeping: Another fix to the VSYSCALL_OLD update_vsyscall
Benjamin Herrenschmidt pointed out that I further missed modifying
update_vsyscall after the wall_to_mono value was changed to a
timespec64.  This causes issues on powerpc32, which expects a 32bit
timespec.

This patch fixes the problem by properly converting from a timespec64 to
a timespec before passing the value on to the arch-specific vsyscall
logic.

[ Thomas is currently on vacation, but reviewed it and wanted me to send
  this fix on to you directly. ]

Cc: LKML <linux-kernel@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14 11:04:11 -06:00
Linus Torvalds
f2937e4540 Merge branch 'akpm' (fixes from Andrew Morton)
Merge leftovers from Andrew Morton:
 "A few leftovers.

  I have a bunch of OCFS2 patches which are still out for review and
  which I might sneak along after -rc1.  Partly my fault - I should send
  my review pokes out earlier"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm: fix CROSS_MEMORY_ATTACH help text grammar
  drivers/mfd/rtsx_usb.c: export device table
  mm, hugetlb_cgroup: align hugetlb cgroup limit to hugepage size
2014-08-14 10:56:25 -06:00
Geert Uytterhoeven
a2a368d905 mm: fix CROSS_MEMORY_ATTACH help text grammar
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14 10:56:15 -06:00
Jeff Mahoney
1813908986 drivers/mfd/rtsx_usb.c: export device table
The rtsx_usb driver contains the table for the devices it supports but
doesn't export it.  As a result, no alias is generated and it doesn't
get loaded automatically.

Via https://bugzilla.novell.com/show_bug.cgi?id=890096

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reported-by: Marcel Witte <wittemar@googlemail.com>
Cc: Roger Tseng <rogerable@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14 10:56:15 -06:00
David Rientjes
24d7cd207f mm, hugetlb_cgroup: align hugetlb cgroup limit to hugepage size
Memcg aligns memory.limit_in_bytes to PAGE_SIZE as part of the resource
counter since it makes no sense to allow a partial page to be charged.

As a result of the hugetlb cgroup using the resource counter, it is also
aligned to PAGE_SIZE but makes no sense unless aligned to the size of
the hugepage being limited.

Align hugetlb cgroup limit to hugepage size.

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14 10:56:15 -06:00
Emmanuel Grumbach
77b2f28659 iwlwifi: mvm: disable scheduled scan to prevent firmware crash
There are firmwares which don't support scheduled scan.
Disable it for now.
Linus's system encoutered this issue.
Thanks to David Spinadel for his help.

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-14 19:47:41 +03:00
Linus Torvalds
1d508f8ace Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull more powerpc updates from Ben Herrenschmidt:
 "Here are some more powerpc bits for 3.17, essentially fixes.

  The biggest series, also aimed at -stable, is from Aneesh and is the
  result of weeks and weeks of debugging to find out why the heck or THP
  implementation was occasionally triggering multi-hit errors in our
  level 1 TLB.  It ended up being a combination of issues including
  subtleties as to how we should invalidate those special 'MPSS' pages
  we use to allow the use of 16M pages inside 4K/64K "base page size"
  segments (you really have to love our MMU !)

  Another interesting one in the "OMG" category is the series from
  Michael adding memory barriers to spin_is_locked().  That's also the
  result of many days of debugging to figure out why the semaphore code
  would occasionally crash in ways that made no sense.  It ended up
  being some creative lock stacking that was defeated by the fact that
  our locks allow a load inside the locked section to be re-ordered with
  the load of the lock value itself (I'm still of two mind about whether
  to kill that once and for all by putting a heavier barrier back into
  our lock implementation...).  The fixes come with a long explanation
  in the cset comments, feel free to read it if you feel like having a
  headache today"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (25 commits)
  powerpc/thp: Add tracepoints to track hugepage invalidate
  powerpc/mm: Use read barrier when creating real_pte
  powerpc/thp: Use ACCESS_ONCE when loading pmdp
  powerpc/thp: Invalidate with vpn in loop
  powerpc/thp: Handle combo pages in invalidate
  powerpc/thp: Invalidate old 64K based hash page mapping before insert of 4k pte
  powerpc/thp: Don't recompute vsid and ssize in loop on invalidate
  powerpc/thp: Add write barrier after updating the valid bit
  powerpc: reorder per-cpu NUMA information's initialization
  powerpc/perf/hv-24x7: Use kmem_cache_free
  powerpc/pseries/hvcserver: Fix endian issue in hvcs_get_partner_info
  powerpc: Hard disable interrupts in xmon
  powerpc: remove duplicate definition of TEXASR_FS
  powerpc/pseries: Avoid deadlock on removing ddw
  powerpc/pseries: Failure on removing device node
  powerpc/boot: Use correct zlib types for comparison
  powerpc/powernv: Interface to register/unregister opal dump region
  printk: Add function to return log buffer address and size
  powerpc: Add POWER8 features to CPU_FTRS_POSSIBLE/ALWAYS
  powerpc/ppc476: Disable BTAC
  ...
2014-08-14 10:14:07 -06:00
Linus Torvalds
2d0c05e1c5 Two small hwspinlock changes for better OMAP support, coming
from Suman Anna.
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Merge tag 'hwspinlock-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock

Pull hwspinlock updates from Ohad Ben-Cohen:
 "Two small hwspinlock changes for better OMAP support, coming from
  Suman Anna"

* tag 'hwspinlock-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
  hwspinlock: enable OMAP build for AM33xx, AM43xx & DRA7xx
  hwspinlock/omap: enable module before reading SYSSTATUS register
2014-08-14 10:11:58 -06:00
Linus Torvalds
311bf6d1cb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull seccomp fix from James Morris.

BUG(!spin_is_locked()) really doesn't work very well in UP
configurations without any actual spinlock state.  Which is very much
why we have that "assert_spin_lock()" function for this.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  seccomp: Replace BUG(!spin_is_locked()) with assert_spin_lock
2014-08-14 10:09:48 -06:00
Roland Dreier
d087f6ad72 Merge branches 'core', 'cxgb4', 'ipoib', 'iser', 'iwcm', 'mad', 'misc', 'mlx4', 'mlx5', 'ocrdma' and 'srp' into for-next 2014-08-14 08:58:04 -07:00
Wei Yongjun
da05be290f IB/srp: Fix return value check in srp_init_module()
In case of error, the function create_workqueue() returns NULL pointer
not ERR_PTR().  The IS_ERR() test in the return value check should be
replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-08-14 08:57:54 -07:00
Linus Torvalds
82f05a08e2 Several bug fixes in various drivers, plus a minor cleanup
in the tmp103 driver.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Several bug fixes in various drivers, plus a minor cleanup in the
  tmp103 driver"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (tmp103) Remove duplicate test for I2C_FUNC_SMBUS_BYTE_DATA functionality
  hwmon: (w83793) Fix vrm write operation
  hwmon: (w83791d) Fix vrm write operation
  hwmon: (w83627hf) Fix vrm write operation
  hwmon: (vt1211) Fix vrm write operation
  hwmon: (pc87360) Fix vrm write operation
  hwmon: (lm87) Fix vrm write operation
  hwmon: (asb100) Fix vrm write operation
  hwmon: (adm1026) Fix vrm write operation
  hwmon: (adm1025) Fix vrm write operation
  hwmon: (hih6130) Fix missing hih6130->write_length setting
  hwmon: (dme1737) Prevent overflow problem when writing large limits
  hwmon: (emc6w201) Fix temperature limit range
  hwmon: (ads1015) Fix out-of-bounds array access
  hwmon: (lm92) Prevent overflow problem when writing large limits
2014-08-14 09:55:13 -06:00
Linus Torvalds
ae36e95cf8 The branch contains the following device tree changes the v3.17 merge
window:
 
 Group changes to the device tree. In preparation for adding device tree
 overlay support, OF_DYNAMIC is reworked so that a set of device tree
 changes can be prepared and applied to the tree all at once. OF_RECONFIG
 notifiers see the most significant change here so that users always get
 a consistent view of the tree. Notifiers generation is moved from before
 a change to after it, and notifiers for a group of changes are emitted
 after the entire block of changes have been applied
 
 Automatic console selection from DT. Console drivers can now use
 of_console_check() to see if the device node is specified as a console
 device. If so then it gets added as a preferred console. UART devices
 get this support automatically when uart_add_one_port() is called.
 
 DT unit tests no longer depend on pre-loaded data in the device tree.
 Data is loaded dynamically at the start of unit tests, and then unloaded
 again when the tests have completed.
 
 Also contains a few bugfixes for reserved regions and early memory setup.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux

Pull device tree updates from Grant Likely:
 "The branch contains the following device tree changes the v3.17 merge
  window:

  Group changes to the device tree.  In preparation for adding device
  tree overlay support, OF_DYNAMIC is reworked so that a set of device
  tree changes can be prepared and applied to the tree all at once.
  OF_RECONFIG notifiers see the most significant change here so that
  users always get a consistent view of the tree.  Notifiers generation
  is moved from before a change to after it, and notifiers for a group
  of changes are emitted after the entire block of changes have been
  applied

  Automatic console selection from DT.  Console drivers can now use
  of_console_check() to see if the device node is specified as a console
  device.  If so then it gets added as a preferred console.  UART
  devices get this support automatically when uart_add_one_port() is
  called.

  DT unit tests no longer depend on pre-loaded data in the device tree.
  Data is loaded dynamically at the start of unit tests, and then
  unloaded again when the tests have completed.

  Also contains a few bugfixes for reserved regions and early memory
  setup"

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux: (21 commits)
  of: Fixing OF Selftest build error
  drivers: of: add automated assignment of reserved regions to client devices
  of: Use proper types for checking memory overflow
  of: typo fix in __of_prop_dup()
  Adding selftest testdata dynamically into live tree
  of: Add todo tasklist for Devicetree
  of: Transactional DT support.
  of: Reorder device tree changes and notifiers
  of: Move dynamic node fixups out of powerpc and into common code
  of: Make sure attached nodes don't carry along extra children
  of: Make devicetree sysfs update functions consistent.
  of: Create unlocked versions of node and property add/remove functions
  OF: Utility helper functions for dynamic nodes
  of: Move CONFIG_OF_DYNAMIC code into a separate file
  of: rename of_aliases_mutex to just of_mutex
  of/platform: Fix of_platform_device_destroy iteration of devices
  of: Migrate of_find_node_by_name() users to for_each_node_by_name()
  tty: Update hypervisor tty drivers to use core stdout parsing code.
  arm/versatile: Add the uart as the stdout device.
  of: Enable console on serial ports specified by /chosen/stdout-path
  ...
2014-08-14 09:53:39 -06:00
Linus Torvalds
cc8a44c671 VFIO updates for v3.17-rc1
- Enable support for bus reset on device release
  - Fixes for EEH support
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Merge tag 'vfio-v3.17-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:
 - enable support for bus reset on device release
 - fixes for EEH support

* tag 'vfio-v3.17-rc1' of git://github.com/awilliam/linux-vfio:
  drivers/vfio: Enable VFIO if EEH is not supported
  drivers/vfio: Allow EEH to be built as module
  drivers/vfio: Fix EEH build error
  vfio-pci: Attempt bus/slot reset on release
  vfio-pci: Use mutex around open, release, and remove
  vfio-pci: Release devices with BusMaster disabled
2014-08-14 09:41:41 -06:00
Linus Torvalds
4dacb91c7d Xen bug fixes for 3.17-rc0
- Fix ARM build.
 - Fix boot crash with PVH guests.
 - Improve reliability of resume/migration.
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Merge tag 'stable/for-linus-3.17-b-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen bugfixes from David Vrabel:
 - fix ARM build
 - fix boot crash with PVH guests
 - improve reliability of resume/migration

* tag 'stable/for-linus-3.17-b-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: use vmap() to map grant table pages in PVH guests
  x86/xen: resume timer irqs early
  arm/xen: remove duplicate arch_gnttab_init() function
2014-08-14 09:40:44 -06:00
Linus Torvalds
ba368991f6 . Allow the thin target to paired with any size external origin; also
allow thin snapshots to be larger than the external origin.
 
 . Add support for quickly loading a repetitive pattern into the
   dm-switch target.
 
 . Use per-bio data in the dm-crypt target instead of always using a
   mempool for each allocation.  Required switching to kmalloc alignment
   for the bio slab.
 
 . Fix DM core to properly stack the QUEUE_FLAG_NO_SG_MERGE flag
 
 . Fix the dm-cache and dm-thin targets' export of the minimum_io_size to
   match the data block size -- this fixes an issue where mkfs.xfs would
   improperly infer raid striping was in place on the underlying storage.
 
 . Small cleanups in dm-io, dm-mpath and dm-cache
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Merge tag 'dm-3.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper changes from Mike Snitzer:

 - Allow the thin target to paired with any size external origin; also
   allow thin snapshots to be larger than the external origin.

 - Add support for quickly loading a repetitive pattern into the
   dm-switch target.

 - Use per-bio data in the dm-crypt target instead of always using a
   mempool for each allocation.  Required switching to kmalloc alignment
   for the bio slab.

 - Fix DM core to properly stack the QUEUE_FLAG_NO_SG_MERGE flag

 - Fix the dm-cache and dm-thin targets' export of the minimum_io_size
   to match the data block size -- this fixes an issue where mkfs.xfs
   would improperly infer raid striping was in place on the underlying
   storage.

 - Small cleanups in dm-io, dm-mpath and dm-cache

* tag 'dm-3.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm table: propagate QUEUE_FLAG_NO_SG_MERGE
  dm switch: efficiently support repetitive patterns
  dm switch: factor out switch_region_table_read
  dm cache: set minimum_io_size to cache's data block size
  dm thin: set minimum_io_size to pool's data block size
  dm crypt: use per-bio data
  block: use kmalloc alignment for bio slab
  dm table: make dm_table_supports_discards static
  dm cache metadata: use dm-space-map-metadata.h defined size limits
  dm cache: fail migrations in the do_worker error path
  dm cache: simplify deferred set reference count increments
  dm thin: relax external origin size constraints
  dm thin: switch to an atomic_t for tracking pending new block preparations
  dm mpath: eliminate pg_ready() wrapper
  dm io: simplify dec_count and sync_io
2014-08-14 09:17:56 -06:00
Linus Torvalds
a8e4def604 MMC core:
- Forward compatibility for eMMC.
  - Fix some blacklisted cards with broken secure discard.
 
 MMC host:
  - mmci: Add support for Qualcomm variant.
  - mmci: Fix regression for arm_variant.
  - sdhci: Various fixes and cleanups.
  - sdhci: Improve external VDD regulator support.
  - sdhci: Support for DDR50 1.8V mode for BayTrail.
  - sdhci-st: Add driver for ST SDHCI controller.
  - sh-mmcif: DMA fixes.
  - omap_hsmmc: Add support for SDIO interrupts.
  - sdhci-pci: Add support for Intel Quark X1000.
  - dw_mmc: Update the reset sequence.
  - s3cmci: port DMA code to dmaengine API.
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Merge tag 'mmc-v3.17-1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "Me and Chris Ball decided to try out using my MMC tree as the primary
  one, to simplify handling of patches.

  This pull does thus contains all the MMC patches for 3.17 rc1, no pull
  from Chris this time.

  Details:

  MMC core:
   - forward compatibility for eMMC
   - fix some blacklisted cards with broken secure discard

  MMC host:
   - mmci: Add support for Qualcomm variant
   - mmci: Fix regression for arm_variant
   - sdhci: Various fixes and cleanups
   - sdhci: Improve external VDD regulator support
   - sdhci: Support for DDR50 1.8V mode for BayTrail
   - sdhci-st: Add driver for ST SDHCI controller
   - sh-mmcif: DMA fixes
   - omap_hsmmc: Add support for SDIO interrupts
   - sdhci-pci: Add support for Intel Quark X1000
   - dw_mmc: Update the reset sequence
   - s3cmci: port DMA code to dmaengine API"

* tag 'mmc-v3.17-1' of git://git.linaro.org/people/ulf.hansson/mmc: (67 commits)
  mmc: dw_mmc: modify the dt-binding for removing slot-node and supports-highspeed
  mmc: dw_mmc: Slot quirk "disable-wp" is deprecated.
  mmc: mmci: Reverse IRQ handling for the arm_variant
  mmc: mmci: Move all CMD irq handling to mmci_cmd_irq()
  mmc: mmci: Remove redundant check of status for DATA irq
  mmc: dw_mmc: change to use recommended reset procedure
  mmc: sdhci-pxav3: Use devm_* managed helpers
  mmc: tmio: Configure DMA slave bus width
  mmc: sh_mmcif: Configure DMA slave bus width
  mmc: sh_mmcif: Fix DMA slave address configuration
  mmc: sh_mmcif: Document DT bindings
  mmc: sdhci-pci: remove PCI PM functions in suspend/resume callback
  mmc: Do not advertise secure discard if it is blacklisted
  mmc: sdhci-msm: Get COMPILE_TEST support
  mmc: sdhci-msm: Remove unnecessary header file inclusion
  mmc: sdhci-msm: Fix the binding example
  mmc: sdhci: add DDR50 1.8V mode support for BayTrail eMMC Controller
  mmc: sdhci: Preset value not supported in Baytrail eMMC
  mmc: MMC_USDHI6ROL0 should depend on HAS_DMA
  mmc: MMC_SH_MMCIF should depend on HAS_DMA
  ...
2014-08-14 09:15:53 -06:00
Linus Torvalds
d429a3639c Merge branch 'for-3.17/drivers' of git://git.kernel.dk/linux-block
Pull block driver changes from Jens Axboe:
 "Nothing out of the ordinary here, this pull request contains:

   - A big round of fixes for bcache from Kent Overstreet, Slava Pestov,
     and Surbhi Palande.  No new features, just a lot of fixes.

   - The usual round of drbd updates from Andreas Gruenbacher, Lars
     Ellenberg, and Philipp Reisner.

   - virtio_blk was converted to blk-mq back in 3.13, but now Ming Lei
     has taken it one step further and added support for actually using
     more than one queue.

   - Addition of an explicit SG_FLAG_Q_AT_HEAD for block/bsg, to
     compliment the the default behavior of adding to the tail of the
     queue.  From Douglas Gilbert"

* 'for-3.17/drivers' of git://git.kernel.dk/linux-block: (86 commits)
  bcache: Drop unneeded blk_sync_queue() calls
  bcache: add mutex lock for bch_is_open
  bcache: Correct printing of btree_gc_max_duration_ms
  bcache: try to set b->parent properly
  bcache: fix memory corruption in init error path
  bcache: fix crash with incomplete cache set
  bcache: Fix more early shutdown bugs
  bcache: fix use-after-free in btree_gc_coalesce()
  bcache: Fix an infinite loop in journal replay
  bcache: fix crash in bcache_btree_node_alloc_fail tracepoint
  bcache: bcache_write tracepoint was crashing
  bcache: fix typo in bch_bkey_equal_header
  bcache: Allocate bounce buffers with GFP_NOWAIT
  bcache: Make sure to pass GFP_WAIT to mempool_alloc()
  bcache: fix uninterruptible sleep in writeback thread
  bcache: wait for buckets when allocating new btree root
  bcache: fix crash on shutdown in passthrough mode
  bcache: fix lockdep warnings on shutdown
  bcache allocator: send discards with correct size
  bcache: Fix to remove the rcu_sched stalls.
  ...
2014-08-14 09:10:21 -06:00
Linus Torvalds
4a319a490c Merge branch 'for-3.17/core' of git://git.kernel.dk/linux-block
Pull block core bits from Jens Axboe:
 "Small round this time, after the massive blk-mq dump for 3.16.  This
  pull request contains:

   - Fixes for max_sectors overflow in ioctls from Akinoby Mita.

   - Partition off-by-one bug fix in aix partitions from Dan Carpenter.

   - Various small partition cleanups from Fabian Frederick.

   - Fix for the block integrity code sometimes returning the wrong
     vector count from Gu Zheng.

   - Cleanup an re-org of the blk-mq queue enter/exit percpu counters
     from Tejun.  Dependent on the percpu pull for 3.17 (which was in
     the block tree too), that you have already pulled in.

   - A blkcg oops fix, also from Tejun"

* 'for-3.17/core' of git://git.kernel.dk/linux-block:
  partitions: aix.c: off by one bug
  blkcg: don't call into policy draining if root_blkg is already gone
  Revert "bio: modify __bio_add_page() to accept pages that don't start a new segment"
  bio: modify __bio_add_page() to accept pages that don't start a new segment
  block: fix SG_[GS]ET_RESERVED_SIZE ioctl when max_sectors is huge
  block: fix BLKSECTGET ioctl when max_sectors is greater than USHRT_MAX
  block/partitions/efi.c: kerneldoc fixing
  block/partitions/msdos.c: code clean-up
  block/partitions/amiga.c: replace nolevel printk by pr_err
  block/partitions/aix.c: replace count*size kzalloc by kcalloc
  bio-integrity: add "bip_max_vcnt" into struct bio_integrity_payload
  blk-mq: use percpu_ref for mq usage count
  blk-mq: collapse __blk_mq_drain_queue() into blk_mq_freeze_queue()
  blk-mq: decouble blk-mq freezing from generic bypassing
  block, blk-mq: draining can't be skipped even if bypass_depth was non-zero
  blk-mq: fix a memory ordering bug in blk_mq_queue_enter()
2014-08-14 09:07:02 -06:00
Jeff Layton
2ece173e47 locks: update Locking documentation to clarify fl_release_private behavior
Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
2014-08-14 10:08:20 -04:00
Jeff Layton
2dfb928f7e locks: move locks_free_lock calls in do_fcntl_add_lease outside spinlock
There's no need to call locks_free_lock here while still holding the
i_lock. Defer that until the lock has been dropped.

Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
2014-08-14 10:07:47 -04:00
Jeff Layton
ed9814d858 locks: defer freeing locks in locks_delete_lock until after i_lock has been dropped
In commit 72f98e7255 (locks: turn lock_flocks into a spinlock), we
moved from using the BKL to a global spinlock. With this change, we lost
the ability to block in the fl_release_private operation.

This is problematic for NFS (and probably some other filesystems as
well). Add a new list_head argument to locks_delete_lock. If that
argument is non-NULL, then queue any locks that we want to free to the
list instead of freeing them.

Then, add a new locks_dispose_list function that will walk such a list
and call locks_free_lock on them after the i_lock has been dropped.

Finally, change all of the callers of locks_delete_lock to pass in a
list_head, except for lease_modify. That function can be called long
after the i_lock has been acquired. Deferring the freeing of a lease
after unlocking it in that function is non-trivial until we overhaul
some of the spinlocking in the lease code.

Currently though, no filesystem that sets fl_release_private supports
leases, so this is not currently a problem. We'll eventually want to
make the same change in the lease code, but it needs a lot more work
before we can reasonably do so.

Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
2014-08-14 10:07:47 -04:00
Jeff Layton
b84d49f944 locks: don't reuse file_lock in __posix_lock_file
Currently in the case where a new file lock completely replaces the old
one, we end up overwriting the existing lock with the new info. This
means that we have to call fl_release_private inside i_lock. Change the
code to instead copy the info to new_fl, insert that lock into the
correct spot and then delete the old lock. In a later patch, we'll defer
the freeing of the old lock until after the i_lock has been dropped.

Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
2014-08-14 10:07:47 -04:00
Andrew Duggan
daebdd7ee3 HID: rmi: print an error if F11 is not found instead of stopping the device
Currently rmi_probe will return -EIO if the device doesn't report that it has F11.
This would indicate that something happened and the device is in the bootloader.
We can recover the device using a userspace firmware update tool, but it needs
access to the device through the hidraw device file. If the probe returns -EIO
the hidraw device won't be created. So instead of failing the probe, just print
an error message, but leave the device accessible from userspace.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-14 11:41:56 +02:00
Takashi Iwai
61074c1a2d ALSA: hda - Set TLV_DB_SCALE_MUTE bit for cx5051 vmaster
Conexnat HD-audio driver has a workaround for cx5051 (aka CX20561)
chip to add fake mute controls to each amp (commit 3868137e).  This
implies the minimum-as-mute TLV bit in TLV for each corresponding
control.  Meanwhile we build the virtual master from these, but the
TLV bit is missing, even though the slaves have it.

This patch simply adds the missing TLV_DB_SCALE_MUTE bit for vmaster,
as already done in patch_sigmatel.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-08-14 11:39:57 +02:00
Lukasz Rymanowski
13cac15296 Bluetooth: Fix ERTM L2CAP resend packet
I-Frame which is going to be resend already has FCS field added and set
(if it was required). Adding additional FCS field calculated from data +
old FCS in resend function is incorrect. This patch fix that.

Issue has been found during PTS testing.

Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 09:47:02 +02:00
Lukasz Rymanowski
069cb27017 Bluetooth: Improve data packing in SAR mode
There is no need to decrease pdu size with L2CAP SDU lenght in Start
L2CAP SDU frame. Start packtet is just 2 bytes longer as specified and
we can keep payload as long as possible.

When testing SAR L2CAP against PTS, L2CAP channel is usually configured
in that way, that SDU = MPS * 3. PTS expets then 3 I-Frames from IUT: Start,
Continuation and End frame.

Without this fix, we sent 4 I-Frames. We could pass a test by using -b
option in l2test and send just two bytes less than SDU length. With this
patch no need to use -b option.

Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:26 +02:00
Himangi Saraogi
3bbaf81206 Bluetooth: Remove typedef bt3c_info_t
The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedef for
bt3c_info_t. Also, the name of the struct is changed to drop the _t,
to make the name look less typedef-like.

The following Coccinelle semantic patch detects the case:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:26 +02:00
Himangi Saraogi
66f4e0e43a Bluetooth: Remove typedefs nsh_t and dtl1_info_t
The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedefs for nsh_t and
dtl1_info_t. Also, the name of the struct is changed to drop the _t,
to make the name look less typedef-like.

The following Coccinelle semantic patch detects the case for dtl1_info_t
and a similar patch finds the nsh_t case:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:26 +02:00
Himangi Saraogi
ad709d4867 Bluetooth: Remove typedef btuart_info_t
The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedef for
btuart_info_t. Also, the name of the struct is changed to drop the _t,
to make the name look less typedef-like.

The following Coccinelle semantic patch detects the case:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:25 +02:00
Himangi Saraogi
d664cd9895 Bluetooth: Remove typedef bluecard_info_t
The Linux kernel coding style guidelines suggest not using typedefs
for structure types. This patch gets rid of the typedef for
bluecard_info_t. Also, the name of the struct is changed to drop the _t,
to make the name look less typedef-like.

The following Coccinelle semantic patch detects the case:

@tn@
identifier i;
type td;
@@

-typedef
 struct i { ... }
-td
 ;

@@
type tn.td;
identifier tn.i;
@@

-td
+ struct i

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:25 +02:00
Varka Bhadram
f55889128a mac802154: common tx error path
This patch introduce the common error path on failure of Tx by
inserting the label 'err_tx'.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:25 +02:00
Alexander Aring
0ba1f94e72 ieee802154: 6lowpan: remove unused function
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:25 +02:00
Varka Bhadram
b288a4963f mac802154: common error path
By introducing label fail, making the common error path for
mac802154_llsec_decrypt() and packet type default case.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:25 +02:00
Varka Bhadram
24bbd44a96 mac802154: cleanup in rx path
This patch replace the sizeof(struct rx_work) with sizeof(*work)
and directly passing the skb in mac802154_subif_rx()

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:24 +02:00
Johan Hedberg
6f48e260a9 Bluetooth: Make smp_chan_destroy() private to smp.c
There are no external users of smp_chan_destroy() so make it private to
smp.c. The patch also moves the function higher up in the c-file in
order to avoid forward declarations.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:24 +02:00
Johan Hedberg
86d1407cb9 Bluetooth: Always call smp_distribute_keys() from a workqueue
The smp_distribute_keys() function calls smp_notify_keys() which in turn
calls l2cap_conn_update_id_addr(). The l2cap_conn_update_id_addr()
function will iterate through all L2CAP channels for the respective
connection: lock the channel, update the address information and unlock
the channel.

Since SMP is now using l2cap_chan callbacks each callback is called with
the channel lock held. Therefore, calling l2cap_conn_update_id_addr()
would cause a deadlock calling l2cap_chan_lock() on the SMP channel.
This patch moves calling smp_distribute_keys() through a workqueue so
that it is never called from an L2CAP channel callback.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:24 +02:00
Johan Hedberg
109ec2309e Bluetooth: Move canceling security_timer into smp_chan_destroy()
All places needing to cancel the security timer also call
smp_chan_destroy() in the same go. To eliminate the need to do these two
calls in multiple places simply move the timer cancellation into
smp_chan_destroy().

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:24 +02:00
Johan Hedberg
276d807317 Bluetooth: Remove unused l2cap_conn->security_timer
Now that there are no-longer any users for l2cap_conn->security_timer we
can go ahead and simply remove it. The patch makes initialization of the
conn->info_timer unconditional since it's better not to leave any
l2cap_conn data structures uninitialized no matter what the underlying
transport.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:24 +02:00
Johan Hedberg
b68fda6848 Bluetooth: Add SMP-internal timeout callback
This patch adds an SMP-internal timeout callback to remove the depenency
on (the soon to be removed) l2cap_conn->security_timer. The behavior is
the same as with l2cap_conn->security_timer except that the new
l2cap_conn_shutdown() public function is used instead of the L2CAP core
internal l2cap_conn_del().

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:23 +02:00
Johan Hedberg
8ae9b9845b Bluetooth: Fix double free of SMP data skb
In the case that the SMP recv callback returns error the calling code in
l2cap_core.c expects that it still owns the skb and will try to free it.
The SMP code should therefore not try to free the skb if it return an
error. This patch fixes such behavior in the SMP command handler
function.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:23 +02:00
Johan Hedberg
4befb867b9 Bluetooth: Call l2cap_conn_shutdown() when SMP recv callback fails
To restore pre-l2cap_chan functionality we should be trying to
disconnect the connection when receviving garbage SMP data (i.e. when
the SMP command handler fails). This patch renames the command handler
back to smp_sig_channel() and adds a smp_recv_cb() wrapper function for
calling it. If smp_sig_channel() fails the code calls
l2cap_conn_shutdown().

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:22 +02:00
Johan Hedberg
dec5b49235 Bluetooth: Add public l2cap_conn_shutdown() API to request disconnection
Since we no-longer do special handling of SMP within l2cap_core.c we
don't have any code for calling l2cap_conn_del() when smp.c doesn't like
the data it gets. At the same time we cannot simply export
l2cap_conn_del() since it will try to lock the channels it calls into
whereas we already hold the lock in the smp.c l2cap_chan callbacks (i.e.
it'd lead to a deadlock).

This patch adds a new l2cap_conn_shutdown() API which is very similar to
l2cap_conn_del() except that it defers the call to l2cap_conn_del()
through a workqueue, thereby making it safe to use it from an L2CAP
channel callback.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:21 +02:00
Johan Hedberg
44f1a7ab51 Bluetooth: Use L2CAP resume callback to call smp_distribute_keys
There's no need to export the smp_distribute_keys() function since the
resume callback is called in the same scenario. This patch makes the
smp_notify_keys function private (at the same time moving it higher up
in smp.c to avoid forward declarations) and adds a resume callback for
SMP to call it from there instead.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:21 +02:00
Vincent Zwanenburg
89d2975fa0 Add a new PID/VID 0227/0930 for AR3012.
usb devices info:

T:  Bus=01 Lev=02 Prnt=05 Port=00 Cnt=01 Dev#= 20 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0930 ProdID=0227 Rev= 0.02
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
A:  FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms

Signed-off-by: Vincent Zwanenburg <vincentz@topmail.ie>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:20 +02:00
Varka Bhadram
ebef9c1236 MAINTAINERS: update maintainers info
adds the mailing list address for bluetooth 6loWPAN and
IEEE-802.15.4 subsystems. Also adds web page info.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:20 +02:00
Loic Poulain
4807b51895 Bluetooth: Fix HCI H5 corrupted ack value
In this expression: seq = (seq - 1) % 8
seq (u8) is implicitly converted to an int in the arithmetic operation.
So if seq value is 0, operation is ((0 - 1) % 8) => (-1 % 8) => -1.
The new seq value is 0xff which is an invalid ACK value, we expect 0x07.
It leads to frequent dropped ACK and retransmission.
Fix this by using '&' binary operator instead of '%'.

Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
2014-08-14 08:49:19 +02:00
Johan Hedberg
5d88cc73dd Bluetooth: Convert SMP to use l2cap_chan infrastructure
Now that we have all the necessary pieces in place we can fully convert
SMP to use the L2CAP channel infrastructure. This patch adds the
necessary callbacks and removes the now unneeded conn->smp_chan pointer.

One notable behavioral change in this patch comes from the following
code snippet:

-       case L2CAP_CID_SMP:
-               if (smp_sig_channel(conn, skb))
-                       l2cap_conn_del(conn->hcon, EACCES);

This piece of code was essentially forcing a disconnection if garbage
SMP data was received. The l2cap_conn_del() function is private to
l2cap_conn.c so we don't have access to it anymore when using the L2CAP
channel callbacks. Therefore, the behavior of the new code is simply to
return errors in the recv() callback (which is simply the old
smp_sig_channel()), but no disconnection will occur.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:19 +02:00
Johan Hedberg
defce9e836 Bluetooth: Make AES crypto context private to SMP
Now that we have per-adapter SMP data thanks to the root SMP L2CAP
channel we can take advantage of it and attach the AES crypto context
(only used for SMP) to it. This means that the smp_irk_matches() and
smp_generate_rpa() function can be converted to internally handle the
AES context.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-08-14 08:49:19 +02:00