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Commit Graph

50004 Commits

Author SHA1 Message Date
Nobuhiro Iwamatsu
35c579070a phy/micrel: Fix ID of KSZ9021
Right ID of KSZ9021 is 0x00221610.
Because lower 4bit is a revision number, it varies according to a chip.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: David J. Choi <david.choi@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-22 15:20:28 -04:00
Linus Torvalds
471368557a Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core irq changes from Ingo Molnar:
 "A collection of small fixes."

By Thomas Gleixner
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  hexagon: Remove select of not longer existing Kconfig switches
  arm: Select core options instead of redefining them
  genirq: Do not consider disabled wakeup irqs
  genirq: Allow check_wakeup_irqs to notice level-triggered interrupts
  genirq: Be more informative on irq type mismatch
  genirq: Reject bogus threaded irq requests
  genirq: Streamline irq_action
2012-05-21 20:33:19 -07:00
Linus Torvalds
cb60e3e65c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
 "New notable features:
   - The seccomp work from Will Drewry
   - PR_{GET,SET}_NO_NEW_PRIVS from Andy Lutomirski
   - Longer security labels for Smack from Casey Schaufler
   - Additional ptrace restriction modes for Yama by Kees Cook"

Fix up trivial context conflicts in arch/x86/Kconfig and include/linux/filter.h

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (65 commits)
  apparmor: fix long path failure due to disconnected path
  apparmor: fix profile lookup for unconfined
  ima: fix filename hint to reflect script interpreter name
  KEYS: Don't check for NULL key pointer in key_validate()
  Smack: allow for significantly longer Smack labels v4
  gfp flags for security_inode_alloc()?
  Smack: recursive tramsmute
  Yama: replace capable() with ns_capable()
  TOMOYO: Accept manager programs which do not start with / .
  KEYS: Add invalidation support
  KEYS: Do LRU discard in full keyrings
  KEYS: Permit in-place link replacement in keyring list
  KEYS: Perform RCU synchronisation on keys prior to key destruction
  KEYS: Announce key type (un)registration
  KEYS: Reorganise keys Makefile
  KEYS: Move the key config into security/keys/Kconfig
  KEYS: Use the compat keyctl() syscall wrapper on Sparc64 for Sparc32 compat
  Yama: remove an unused variable
  samples/seccomp: fix dependencies on arch macros
  Yama: add additional ptrace scopes
  ...
2012-05-21 20:27:36 -07:00
Linus Torvalds
99262a3daf Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
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Merge tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

Pull virtio updates from Rusty Russell.

* tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  virtio: fix typo in comment
  virtio-mmio: Devices parameter parsing
  virtio_blk: Drop unused request tracking list
  virtio-blk: Fix hot-unplug race in remove method
  virtio: Use ida to allocate virtio index
  virtio: balloon: separate out common code between remove and freeze functions
  virtio: balloon: drop restore_common()
  9p: disconnect channel when PCI device is removed
  virtio: update documentation to v0.9.5 of spec
2012-05-21 20:20:23 -07:00
Chen Baozi
c6190804f1 virtio: fix typo in comment
- Delete "@request_vqs" and "@free_vqs" comments, since
  they are no longer in struct virtio_config_ops.
- According to the macro below, "@val" should be "@v".

Signed-off-by: Chen Baozi <chenbaozi@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-05-22 12:16:16 +09:30
Linus Torvalds
bf67f3a5c4 Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp hotplug cleanups from Thomas Gleixner:
 "This series is merily a cleanup of code copied around in arch/* and
  not changing any of the real cpu hotplug horrors yet.  I wish I'd had
  something more substantial for 3.5, but I underestimated the lurking
  horror..."

Fix up trivial conflicts in arch/{arm,sparc,x86}/Kconfig and
arch/sparc/include/asm/thread_info_32.h

* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (79 commits)
  um: Remove leftover declaration of alloc_task_struct_node()
  task_allocator: Use config switches instead of magic defines
  sparc: Use common threadinfo allocator
  score: Use common threadinfo allocator
  sh-use-common-threadinfo-allocator
  mn10300: Use common threadinfo allocator
  powerpc: Use common threadinfo allocator
  mips: Use common threadinfo allocator
  hexagon: Use common threadinfo allocator
  m32r: Use common threadinfo allocator
  frv: Use common threadinfo allocator
  cris: Use common threadinfo allocator
  x86: Use common threadinfo allocator
  c6x: Use common threadinfo allocator
  fork: Provide kmemcache based thread_info allocator
  tile: Use common threadinfo allocator
  fork: Provide weak arch_release_[task_struct|thread_info] functions
  fork: Move thread info gfp flags to header
  fork: Remove the weak insanity
  sh: Remove cpu_idle_wait()
  ...
2012-05-21 19:43:57 -07:00
Linus Torvalds
226da0dbc8 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU changes from Ingo Molnar:
 "This is the v3.5 RCU tree from Paul E.  McKenney:

 1) A set of improvements and fixes to the RCU_FAST_NO_HZ feature (with
    more on the way for 3.6).  Posted to LKML:
       https://lkml.org/lkml/2012/4/23/324 (commits 1-3 and 5),
       https://lkml.org/lkml/2012/4/16/611 (commit 4),
       https://lkml.org/lkml/2012/4/30/390 (commit 6), and
       https://lkml.org/lkml/2012/5/4/410 (commit 7, combined with
       the other commits for the convenience of the tester).

 2) Changes to make rcu_barrier() avoid disrupting execution of CPUs
    that have no RCU callbacks.  Posted to LKML:
       https://lkml.org/lkml/2012/4/23/322.

 3) A couple of commits that improve the efficiency of the interaction
    between preemptible RCU and the scheduler, these two being all that
    survived an abortive attempt to allow preemptible RCU's
    __rcu_read_lock() to be inlined.  The full set was posted to LKML at
    https://lkml.org/lkml/2012/4/14/143, and the first and third patches
    of that set remain.

 4) Lai Jiangshan's algorithmic implementation of SRCU, which includes
    call_srcu() and srcu_barrier().  A major feature of this new
    implementation is that synchronize_srcu() no longer disturbs the
    execution of other CPUs.  This work is based on earlier
    implementations by Peter Zijlstra and Paul E.  McKenney.  Posted to
    LKML: https://lkml.org/lkml/2012/2/22/82.

 5) A number of miscellaneous bug fixes and improvements which were
    posted to LKML at: https://lkml.org/lkml/2012/4/23/353 with
    subsequent updates posted to LKML."

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
  rcu: Make rcu_barrier() less disruptive
  rcu: Explicitly initialize RCU_FAST_NO_HZ per-CPU variables
  rcu: Make RCU_FAST_NO_HZ handle timer migration
  rcu: Update RCU maintainership
  rcu: Make exit_rcu() more precise and consolidate
  rcu: Move PREEMPT_RCU preemption to switch_to() invocation
  rcu: Ensure that RCU_FAST_NO_HZ timers expire on correct CPU
  rcu: Add rcutorture test for call_srcu()
  rcu: Implement per-domain single-threaded call_srcu() state machine
  rcu: Use single value to handle expedited SRCU grace periods
  rcu: Improve srcu_readers_active_idx()'s cache locality
  rcu: Remove unused srcu_barrier()
  rcu: Implement a variant of Peter's SRCU algorithm
  rcu: Improve SRCU's wait_idx() comments
  rcu: Flip ->completed only once per SRCU grace period
  rcu: Increment upper bit only for srcu_read_lock()
  rcu: Remove fast check path from __synchronize_srcu()
  rcu: Direct algorithmic SRCU implementation
  rcu: Introduce rcutorture testing for rcu_barrier()
  timer: Fix mod_timer_pinned() header comment
  ...
2012-05-21 19:26:51 -07:00
Linus Torvalds
abd209b708 Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull iommu core changes from Ingo Molnar:
 "The IOMMU changes in this cycle are mostly about factoring out
  Intel-VT-d specific IRQ remapping details and introducing struct
  irq_remap_ops, in preparation for AMD specific hardware."

* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  iommu: Fix off by one in dmar_get_fault_reason()
  irq_remap: Fix the 'sub_handle' uninitialized warning
  irq_remap: Fix UP build failure
  irq_remap: Fix compiler warning with CONFIG_IRQ_REMAP=y
  iommu: rename intr_remapping.[ch] to irq_remapping.[ch]
  iommu: rename intr_remapping references to irq_remapping
  x86, iommu/vt-d: Clean up interfaces for interrupt remapping
  iommu/vt-d: Convert MSI remapping setup to remap_ops
  iommu/vt-d: Convert free_irte into a remap_ops callback
  iommu/vt-d: Convert IR set_affinity function to remap_ops
  iommu/vt-d: Convert IR ioapic-setup to use remap_ops
  iommu/vt-d: Convert missing apic.c intr-remapping call to remap_ops
  iommu/vt-d: Make intr-remapping initialization generic
  iommu: Rename intr_remapping files to intel_intr_remapping
2012-05-21 19:23:41 -07:00
James Morris
ff2bb047c4 Merge branch 'master' of git://git.infradead.org/users/eparis/selinux into next
Per pull request, for 3.5.
2012-05-22 11:21:06 +10:00
Linus Torvalds
c23ddf7857 InfiniBand/RDMA changes for the 3.5 merge window:
- Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
  - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
    applications to send and receive arbitrary packets directly to/from
    the hardware
  - Add "doorbell drop" handling to the cxgb4 driver
  - A fairly large batch of qib hardware driver changes
  - A few fixes for lockdep-detected issues
  - A few other miscellaneous fixes and cleanups
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Merge tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA changes from Roland Dreier:
 - Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
 - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
   applications to send and receive arbitrary packets directly to/from
   the hardware
 - Add "doorbell drop" handling to the cxgb4 driver
 - A fairly large batch of qib hardware driver changes
 - A few fixes for lockdep-detected issues
 - A few other miscellaneous fixes and cleanups

Fix up trivial conflict in drivers/net/ethernet/emulex/benet/be.h.

* tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (53 commits)
  RDMA/cxgb4: Include vmalloc.h for vmalloc and vfree
  IB/mlx4: Fix mlx4_ib_add() error flow
  IB/core: Fix IB_SA_COMP_MASK macro
  IB/iser: Fix error flow in iser ep connection establishment
  IB/mlx4: Increase the number of vectors (EQs) available for ULPs
  RDMA/cxgb4: Add query_qp support
  RDMA/cxgb4: Remove kfifo usage
  RDMA/cxgb4: Use vmalloc() for debugfs QP dump
  RDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues
  RDMA/cxgb4: Disable interrupts in c4iw_ev_dispatch()
  RDMA/cxgb4: Add DB Overflow Avoidance
  RDMA/cxgb4: Add debugfs RDMA memory stats
  cxgb4: DB Drop Recovery for RDMA and LLD queues
  cxgb4: Common platform specific changes for DB Drop Recovery
  cxgb4: Detect DB FULL events and notify RDMA ULD
  RDMA/cxgb4: Drop peer_abort when no endpoint found
  RDMA/cxgb4: Always wake up waiters in c4iw_peer_abort_intr()
  mlx4_core: Change bitmap allocator to work in round-robin fashion
  RDMA/nes: Don't call event handler if pointer is NULL
  RDMA/nes: Fix for the ORD value of the connecting peer
  ...
2012-05-21 17:54:55 -07:00
Linus Torvalds
da4f58ffa0 SCSI misc on 20120521
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI misc update from James Bottomley:
 "The patch contains the usual assortment of driver updates (be2iscsi,
  bfa, bnx2i, fcoe, hpsa, isci, lpfc, megaraid, mpt2sas, pm8001, sg)
  plus an assortment of other changes and fixes.  Also new is the fact
  that the isci update is delivered as a git merge (with signed tag)."

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (158 commits)
  isci: End the RNC resumption wait when the RNC is destroyed.
  isci: Fixed RNC bug that lost the suspension or resumption during destroy
  isci: Fix RNC AWAIT_SUSPENSION->INVALIDATING transition.
  isci: Manage the IREQ_NO_AUTO_FREE_TAG under scic_lock.
  isci: Remove obviated host callback list.
  isci: Check IDEV_GONE before performing abort path operations.
  isci: Restore the ATAPI device RNC management code.
  isci: Don't wait for an RNC suspend if it's being destroyed.
  isci: Change the phy control and link reset interface for HW reasons.
  isci: Added timeouts to RNC suspensions in the abort path.
  isci: Add protocol indicator for TMF requests.
  isci: Directly control IREQ_ABORT_PATH_ACTIVE when completing TMFs.
  isci: Wait for RNC resumption before leaving the abort path.
  isci: Fix RNC suspend call for SCI_RESUMING state.
  isci: Manage tag releases differently when aborting tasks.
  isci: Callbacks to libsas occur under scic_lock and are synchronized.
  isci: When in the abort path, defeat other resume calls until done.
  isci: Implement waiting for suspend in the abort path.
  isci: Make sure all TCs are terminated and cleaned in LUN reset.
  isci: Manage the LLHANG timer enable/disable per-device.
  ...
2012-05-21 17:46:21 -07:00
Linus Torvalds
c9bfa7d75b Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull scsi-target changes from Nicholas Bellinger:
 "There has been lots of work in existing code in a number of areas this
  past cycle.  The major highlights have been:

   * Removal of transport_do_task_sg_chain() from core + fabrics
     (Roland)
   * target-core: Removal of se_task abstraction from target-core and
     enforce hw_max_sectors for pSCSI backends (hch)
   * Re-factoring of iscsi-target tx immediate/response queues (agrover)
   * Conversion of iscsi-target back to using target core memory
     allocation logic (agrover)

  We've had one last minute iscsi-target patch go into for-next to
  address a nasty regression bug related to the target core allocation
  logic conversion from agrover that is not included in friday's
  linux-next build, but has been included in this series.

  On the new fabric module code front for-3.5, here is a brief status
  update for the three currently in flight this round:

   * usb-gadget target driver:

  Sebastian Siewior's driver for supporting usb-gadget target mode
  operation.  This will be going out as a separate PULL request from
  target-pending/usb-target-merge with subsystem maintainer ACKs.  There
  is one minor target-core patch in this series required to function.

   * sbp ieee-1394/firewire target driver:

  Chris Boot's driver for supportting the Serial Block Protocol (SBP)
  across IEEE-1394 Firewire hardware.  This will be going out as a
  separate PULL request from target-pending/sbp-target-merge with two
  additional drivers/firewire/ patches w/ subsystem maintainer ACKs.

   * qla2xxx LLD target mode infrastructure changes + tcm_qla2xxx:

  The Qlogic >= 24xx series HW target mode LLD infrastructure patch-set
  and tcm_qla2xxx fabric driver.  Support for FC target mode using
  qla2xxx LLD code has been officially submitted by Qlogic to James
  below, and is currently outstanding but not yet merged into
  scsi.git/for-next..

    [PATCH 00/22] qla2xxx: Updates for scsi "misc" branch
    http://www.spinics.net/lists/linux-scsi/msg59350.html

  Note there are *zero* direct dependencies upon this for-next series
  for the qla2xxx LLD target + tcm_qla2xxx patches submitted above, and
  over the last days the target mode team has been tracking down an
  tcm_qla2xxx specific active I/O shutdown bug that appears to now be
  almost squashed for 3.5-rc-fixes."

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (47 commits)
  iscsi-target: Fix iov_count calculation bug in iscsit_allocate_iovecs
  iscsi-target: remove dead code in iscsi_check_valuelist_for_support
  target: Handle ATA_16 passthrough for pSCSI backend devices
  target: Add MI_REPORT_TARGET_PGS ext. header + implict_trans_secs attribute
  target: Fix MAINTENANCE_IN service action CDB checks to use lower 5 bits
  target: add support for the WRITE_VERIFY command
  target: make target_put_session void
  target: cleanup transport_execute_tasks()
  target: Remove max_sectors device attribute for modern se_task less code
  target: lock => unlock typo in transport_lun_wait_for_tasks
  target: Enforce hw_max_sectors for SCF_SCSI_DATA_SG_IO_CDB
  target: remove the t_se_count field in struct se_cmd
  target: remove the t_task_cdbs_ex_left field in struct se_cmd
  target: remove the t_task_cdbs_left field in struct se_cmd
  target: remove struct se_task
  target: move the state and execute lists to the command
  target: simplify command to task linkage
  target: always allocate a single task
  target: replace ->execute_task with ->execute_cmd
  target: remove the task_sectors field in struct se_task
  ...
2012-05-21 17:37:09 -07:00
Linus Torvalds
3d1482fe7a Pin control subsystem changes for kernel 3.5:
- Generic Device Tree bindings and hooks for drivers so we can
  move over modern drivers to using this.
 - Device Tree bindings for Tegra SoCs.
 - Funneling some devicetree helper code for the drivers/of
  subsystem.
 - New pin control drivers for:
  - Freescale MXS
  - Freescale i.MX51
  - Freescale i.MX53
  - All of these use Device Tree bindings.
 - Dummy pinctrl handles for stepwise migration to pinctrl, akin
  to dummy regulators.
 - Minor non-urgent fixes and improvments.
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Merge tag 'pinctrl-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control subsystem changes from Linus Walleij:

 - Generic Device Tree bindings and hooks for drivers so we can move
   over modern drivers to using this.

 - Device Tree bindings for Tegra SoCs.

 - Funneling some devicetree helper code for the drivers/of subsystem.

 - New pin control drivers for:
   * Freescale MXS
   * Freescale i.MX51
   * Freescale i.MX53
     All of these use Device Tree bindings.

 - Dummy pinctrl handles for stepwise migration to pinctrl, akin to
   dummy regulators.
 - Minor non-urgent fixes and improvments.

Fix up trivial conflicts in Documentation/driver-model/devres.txt and
drivers/pinctrl/core.c,

* tag 'pinctrl-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (46 commits)
  pinctrl: pinctrl-imx: add imx51 pinctrl driver
  pinctrl: pinctrl-imx: add imx53 pinctrl driver
  pinctrl: pinctrl-pxa3xx: remove empty pinmux disable function
  pinctrl: pinctrl-mxs: remove empty pinmux disable function
  pinctrl: pinctrl-imx: remove empty pinmux disable function
  pinctrl: make pinmux disable function optional
  pinctrl: a minor error checking improvement for pinconf
  pinctrl: mxs: skip gpio nodes for group creation
  pinctrl: mxs: create group for pin config node
  pinctrl: (cosmetic) fix two entries in DocBook comments
  pinctrl: add more info to error msgs in pin_request
  pinctrl: add pinctrl-mxs support
  pinctrl: pinctrl-imx: add imx6q pinctrl driver
  pinctrl: pinctrl-imx: add imx pinctrl core driver
  dt: add of_get_child_count helper function
  pinctrl: support gpio request deferred probing
  pinctrl: add pinctrl_provide_dummies interface for platforms to use
  pinctrl: enhance reporting of errors when loading from DT
  pinctrl: add kerneldoc for pinctrl_ops device tree functions
  pinctrl: propagate map validation errors
  ...
2012-05-21 16:58:23 -07:00
Linus Torvalds
ac1806572d regulator updates for 3.5
The major thing here is the addition of some helpers to factor code out
 of drivers, making a fair proportion of regulators much more just data
 rather than code which is nice.
 
 - Helpers in the core for regulators using regmap, providing generic
   implementations of the enable and voltage selection operations which
   just need data to describe them in the drivers.
 - Split out voltage mapping and voltage setting, allowing many more
   drivers to take advantage of the infrastructure for selectors.
 - Loads and loads of cleanups from Axel Lin once again, including many
   changes to take advantage of the above new framework features
 - New drivers for Ricoh RC5T583, TI TPS62362, TI TPS62363, TI TPS65913,
   TI TWL6035 and TI TWL6037.
 
 Some of the registration changes to support the core refactoring caused
 so many conflicts that eventually topic branches were abandoned for this
 release.
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Merge tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "The major thing here is the addition of some helpers to factor code
  out of drivers, making a fair proportion of regulators much more just
  data rather than code which is nice.

  - Helpers in the core for regulators using regmap, providing generic
    implementations of the enable and voltage selection operations which
    just need data to describe them in the drivers.
  - Split out voltage mapping and voltage setting, allowing many more
    drivers to take advantage of the infrastructure for selectors.
  - Loads and loads of cleanups from Axel Lin once again, including many
    changes to take advantage of the above new framework features
  - New drivers for Ricoh RC5T583, TI TPS62362, TI TPS62363, TI
    TPS65913, TI TWL6035 and TI TWL6037.

  Some of the registration changes to support the core refactoring
  caused so many conflicts that eventually topic branches were abandoned
  for this release."

* tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (227 commits)
  regulator: tps65910: use of_node of matched regulator being register
  regulator: tps65910: dt: support when "regulators" node found
  regulator: tps65910: add error message in case of failure
  regulator: tps62360: dt: initialize of_node param for regulator register.
  regulator: tps65910: use devm_* for memory allocation
  regulator: tps65910: use small letter for regulator names
  mfd: tpx6586x:  Depend on regulator
  regulator: regulator for Palmas Kconfig
  regulator: regulator driver for Palmas series chips
  regulator: Enable Device Tree for the db8500-prcmu regulator driver
  regulator: db8500-prcmu: Separate regulator registration from probe
  regulator: ab3100: Use regulator_map_voltage_iterate()
  regulator: tps65217: Convert to set_voltage_sel and map_voltage
  regulator: Enable the ab8500 for Device Tree
  regulator: ab8500: Split up probe() into manageable pieces
  regulator: max8925: Remove check_range function and max_uV from struct rc5t583_regulator_info
  regulator: max8649: Remove unused check_range() function
  regulator: rc5t583: Remove max_uV from struct rc5t583_regulator_info
  regulator: da9052: Convert to set_voltage_sel and map_voltage
  regulator: max8952: Use devm_kzalloc
  ...
2012-05-21 16:49:16 -07:00
Linus Torvalds
ae82a82820 regmap: Updates for 3.5
A surprisingly large series of updates for regmap this time, mostly due
 to all the work Stephen Warren has done to add support for MMIO buses.
 This wasn't really the target for the framework but it turns out that
 there's a reasonable number of cases where it's very helpful to use the
 register cache support to allow the register map to remain available
 while the device is suspended.
 
 - A MMIO bus implementation, contributed by Stephen Warren. Currently this
   is limited to 32 bit systems and native endian registers.
 - Support for naming register maps, mainly intended for MMIO devices with
   multiple register banks. This was also contributed by Stephen Warren.
 - Support for register striding, again contributed by Stephen Warren and
   mainly intended for use with MMIO as typically the registers will be a
   fixed size but byte addressed.
 - irqdomain support for the generic regmap irq_chip, including support
   for dynamically allocate interrupt numbers.
 - A function dev_get_regmap() which allows frameworks using regmap to
   obtain the regmap for a device from the struct device, making life a
   little simpler for them.
 - Updates to regmap-irq to support more chips (contributed by Graeme
   Gregory) and to use irqdomains.
 - Support for devices with 24 bit register addresses.
 
 The striding support collided with all the topic branches so the
 branches look a bit messy and eventually I just gave up.  There's also
 the TI Palmas driver and a couple of other isolated MFD patches that
 all depend on new regmap features so are being merged here.
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Merge tag 'regmap-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "A surprisingly large series of updates for regmap this time, mostly
  due to all the work Stephen Warren has done to add support for MMIO
  buses.  This wasn't really the target for the framework but it turns
  out that there's a reasonable number of cases where it's very helpful
  to use the register cache support to allow the register map to remain
  available while the device is suspended.

  - A MMIO bus implementation, contributed by Stephen Warren.  Currently
    this is limited to 32 bit systems and native endian registers.
  - Support for naming register maps, mainly intended for MMIO devices
    with multiple register banks.  This was also contributed by Stephen
    Warren.
  - Support for register striding, again contributed by Stephen Warren
    and mainly intended for use with MMIO as typically the registers
    will be a fixed size but byte addressed.
  - irqdomain support for the generic regmap irq_chip, including support
    for dynamically allocate interrupt numbers.
  - A function dev_get_regmap() which allows frameworks using regmap to
    obtain the regmap for a device from the struct device, making life a
    little simpler for them.
  - Updates to regmap-irq to support more chips (contributed by Graeme
    Gregory) and to use irqdomains.
  - Support for devices with 24 bit register addresses.

  The striding support collided with all the topic branches so the
  branches look a bit messy and eventually I just gave up.  There's also
  the TI Palmas driver and a couple of other isolated MFD patches that
  all depend on new regmap features so are being merged here."

* tag 'regmap-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (24 commits)
  mfd: palmas PMIC device support Kconfig
  mfd: palmas PMIC device support
  regmap: Fix typo in IRQ register striding
  mfd: wm8994: Update to fully use irq_domain
  regmap: add support for non contiguous status to regmap-irq
  regmap: Convert regmap_irq to use irq_domain
  regmap: Pass back the allocated regmap IRQ controller data
  mfd: da9052: Fix genirq abuse
  regmap: Implement dev_get_regmap()
  regmap: Devices using format_write don't support bulk operations
  regmap: Converts group operation into single read write operations
  regmap: Cache single values read from the chip
  regmap: fix compile errors in regmap-irq.c due to stride changes
  regmap: implement register striding
  regmap: fix compilation when !CONFIG_DEBUG_FS
  regmap: allow regmap instances to be named
  regmap: validate regmap_raw_read/write val_len
  regmap: mmio: remove some error checks now in the core
  regmap: mmio: convert some error returns to BUG()
  regmap: add MMIO bus support
  ...
2012-05-21 16:32:44 -07:00
Linus Torvalds
3bb07f1b73 PCI changes for the 3.5 merge window:
- Host bridge cleanups from Yinghai
   - Disable Bus Master bit on PCI device shutdown (kexec-related)
   - Stratus ftServer fix
   - pci_dev_reset() locking fix
   - IvyBridge graphics erratum workaround
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Merge tag 'pci-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 - Host bridge cleanups from Yinghai
 - Disable Bus Master bit on PCI device shutdown (kexec-related)
 - Stratus ftServer fix
 - pci_dev_reset() locking fix
 - IvyBridge graphics erratum workaround

* tag 'pci-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits)
  microblaze/PCI: fix "io_offset undeclared" error
  x86/PCI: only check for spinlock being held in SMP kernels
  resources: add resource_overlaps()
  PCI: fix uninitialized variable 'cap_mask'
  MAINTAINERS: update PCI git tree and patchwork
  PCI: disable Bus Master on PCI device shutdown
  PCI: work around IvyBridge internal graphics FLR erratum
  x86/PCI: fix unused variable warning in amd_bus.c
  PCI: move mutex locking out of pci_dev_reset function
  PCI: work around Stratus ftServer broken PCIe hierarchy
  x86/PCI: merge pcibios_scan_root() and pci_scan_bus_on_node()
  x86/PCI: dynamically allocate pci_root_info for native host bridge drivers
  x86/PCI: embed pci_sysdata into pci_root_info on ACPI path
  x86/PCI: embed name into pci_root_info struct
  x86/PCI: add host bridge resource release for _CRS path
  x86/PCI: refactor get_current_resources()
  PCI: add host bridge release support
  PCI: add generic device into pci_host_bridge struct
  PCI: rename pci_host_bridge() to find_pci_root_bridge()
  x86/PCI: fix memleak with get_current_resources()
  ...
2012-05-21 16:24:54 -07:00
Linus Torvalds
ff8ce5f67d Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull core ARM updates from Russell King:
 "This is the bulk of the core ARM updates for this merge window.
  Included in here is a different way to handle the VIVT cache flushing
  on context switch, which should allow scheduler folk to remove a
  special case in their core code.

  We have architectured timer support here, which is a set of timers
  specified by the ARM architecture for future SoCs.  So we should see
  less variability in timer design going forward.

  The last big thing here is my cleanup to the way we handle PCI across
  ARM, fixing some oddities in some platforms which hadn't realised
  there was a way to deal with their private data already built in to
  our PCI backend.

  I've also removed support for the ARMv3 architecture; it hasn't worked
  properly for years so it seems pointless to keep it around."

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (47 commits)
  ARM: PCI: remove per-pci_hw list of buses
  ARM: PCI: dove/kirkwood/mv78xx0: use sys->private_data
  ARM: PCI: provide a default bus scan implementation
  ARM: PCI: get rid of pci_std_swizzle()
  ARM: PCI: versatile: fix PCI interrupt setup
  ARM: PCI: integrator: use common PCI swizzle
  ARM: 7416/1: LPAE: Remove unused L_PTE_(BUFFERABLE|CACHEABLE) macros
  ARM: 7415/1: vfp: convert printk's to pr_*'s
  ARM: decompressor: avoid speculative prefetch from non-RAM areas
  ARM: Remove ARMv3 support from decompressor
  ARM: 7413/1: move read_{boot,persistent}_clock to the architecture level
  ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs
  ARM: 7363/1: DEBUG_LL: limit early mapping to the minimum
  ARM: 7391/1: versatile: add some auxdata for device trees
  ARM: 7389/2: plat-versatile: modernize FPGA IRQ controller
  AMBA: get rid of last two uses of NO_IRQ
  ARM: 7408/1: cacheflush: return error to userspace when flushing syscall fails
  ARM: 7409/1: Do not call flush_cache_user_range with mmap_sem held
  ARM: 7404/1: cmpxchg64: use atomic64 and local64 routines for cmpxchg64
  ARM: 7347/1: SCU: use cpu_logical_map for per-CPU low power mode
  ...
2012-05-21 16:01:50 -07:00
Linus Torvalds
4f6ade9153 Merge branch 'clkdev' of git://git.linaro.org/people/rmk/linux-arm
Pull clkdev updates from Russell King:
 "This supplements clkdev with a device-managed API, allowing drivers
  cleanup paths to be simplified.  We also optimize clk_find() so that
  it exits as soon as it finds a perfect match, and we provide a way to
  minimise the amount of code platforms need to register clkdev entries.

  Some of the code in arm-soc depends on these changes."

* 'clkdev' of git://git.linaro.org/people/rmk/linux-arm:
  CLKDEV: provide helpers for common clock framework
  ARM: 7392/1: CLKDEV: Optimize clk_find()
  ARM: 7376/1: clkdev: Implement managed clk_get()
2012-05-21 15:59:46 -07:00
Linus Torvalds
881bcabbde Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Setup CROSS_COMPILE at the top
  m68k: Correct the Atari ALLOWINT definition
  m68k/video: Create <asm/vga.h>
  m68k: Make sure {read,write}s[bwl]() are always defined
  m68k/mm: Port OOM changes to do_page_fault()
  scsi/atari: Make more functions static
  scsi/atari: Revive "atascsi=" setup option
  net/ariadne: Improve debug prints
  m68k/atari: Change VME irq numbers from unsigned long to unsigned int
  m68k/amiga: Use arch_initcall() for registering platform devices
  m68k/amiga: Add error checks when registering platform devices
  m68k/amiga: Mark z_dev_present() __init
  m68k: Remove unused MAX_NOINT_IPL definition
2012-05-21 12:43:54 -07:00
Linus Torvalds
cb62ab71fe Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking changes from David Miller:

 1) Get rid of the error prone NLA_PUT*() macros that used an embedded
    goto.

 2) Kill off the token-ring and MCA networking drivers, from Paul
    Gortmaker.

 3) Reduce high-order allocations made by datagram AF_UNIX sockets, from
    Eric Dumazet.

 4) Add PTP hardware clock support to IGB and IXGBE, from Richard
    Cochran and Jacob Keller.

 5) Allow users to query timestamping capabilities of a card via
    ethtool, from Richard Cochran.

 6) Add loadbalance mode to the teaming driver, from Jiri Pirko.  Part
    of this is that we can now have BPF filters not attached to sockets,
    and the loadbalancing function is calculated using one.

 7) Francois Romieu went through the network drivers removing gratuitous
    uses of netdev->base_addr, perhaps some day we can remove it
    completely but it's used for ISA probing still.

 8) Add a BPF JIT for sparc.  I know, who cares, right? :-)

 9) Move networking sysctl registry away from using the compatability
    mode interfaces in the sysctl code.  From Eric W Biederman.

10) Pavel Emelyanov added a way to save and restore TCP socket state via
    TCP_REPAIR, TCP_REPAIR_QUEUE, and TCP_QUEUE_SEQ socket options as
    well as a way to forcefully bind a socket to a port via the
    sk->sk_reuse value SK_FORCE_REUSE.  There is also a
    TCP_REPAIR_OPTIONS which allows to reinstante the TCP options
    enabled on the connection.

11) Several enhancements from Eric Dumazet that, in particular, can
    enhance splice performance on TCP sockets significantly.

     a) Reset the offset of the per-socket sendmsg page when we know
        we're the only use of the page in linear_to_page().

     b) Add facilities such that skb->data can be backed a page rather
        than SLAB kmalloc'd memory.  In particular devices which were
        receiving into linear RX buffers can now end up providing paged
        data.

    The big result is that code like splice and GRO do not have to copy
    any more.

12) Allow a pure sender to more gracefully handle ACK backlogs in TCP.
    What can happen at high rates is that the sender hasn't grown his
    receive buffer limits at all (he's not receiving data so really
    doesn't need to), but the non-data ACKs consume receive buffer
    space.

    sk_add_backlog() is too aggressive in dropping frames in this case,
    so relax it's requirements by using the receive buffer plus the send
    buffer limit as the backlog limit instead of just the former.

    Also from Eric Dumazet.

13) Add ipv6 support to L2TP, from Benjamin LaHaise, James Chapman, and
    Chris Elston.

14) Implement TCP early retransmit (RFC 5827), from Yuchung Cheng.
    Basically, we can start fast retransmit before hiting the dupack
    threshold under certain conditions.

15) New CODEL active queue management packet scheduler, from Eric
    Dumazet based upon initial work by Dave Taht.

    Basically, the big feature is that packets are dropped (or ECN bits
    are set) based upon how long packets live in the queue, rather than
    the queue length (which is what RED uses).

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1341 commits)
  drivers/net/stmmac: seq_file fix memory leak
  ipv6/exthdrs: strict Pad1 and PadN check
  USB: qmi_wwan: Add ZTE (Vodafone) K3520-Z
  USB: qmi_wwan: Add ZTE (Vodafone) K3765-Z
  USB: qmi_wwan: Make forced int 4 whitelist generic
  net/ipv4: replace simple_strtoul with kstrtoul
  net/ipv4/ipconfig: neaten __setup placement
  net: qmi_wwan: Add Vodafone/Huawei K5005 support
  net: cdc_ether: Add ZTE WWAN matches before generic Ethernet
  ipv6: use skb coalescing in reassembly
  ipv4: use skb coalescing in defragmentation
  net: introduce skb_try_coalesce()
  net:ipv6:fixed space issues relating to operators.
  net:ipv6:fixed a trailing white space issue.
  ipv6: disable GSO on sockets hitting dst_allfrag
  tg3: use netdev_alloc_frag() API
  net: napi_frags_skb() is static
  ppp: avoid false drop_monitor false positives
  ipv6: bool/const conversions phase2
  ipx: Remove spurious NULL checking in ipx_ioctl().
  ...
2012-05-21 10:03:46 -07:00
Roland Dreier
cc169165c8 Merge branches 'core', 'cxgb4', 'ipath', 'iser', 'lockdep', 'mlx4', 'nes', 'ocrdma', 'qib' and 'raw-qp' into for-linus 2012-05-21 09:00:47 -07:00
Linus Torvalds
31ed8e6f93 Merge branch 'dentry-cleanups' (dcache access cleanups and optimizations)
This branch simplifies and clarifies the dcache lookup, and allows us to
do certain nice optimizations when comparing dentries.  It also cleans
up the interface to __d_lookup_rcu(), especially around passing the
inode information around.

* dentry-cleanups:
  vfs: make it possible to access the dentry hash/len as one 64-bit entry
  vfs: move dentry name length comparison from dentry_cmp() into callers
  vfs: do the careful dentry name access for all dentry_cmp cases
  vfs: remove unnecessary d_unhashed() check from __d_lookup_rcu
  vfs: clean up __d_lookup_rcu() and dentry_cmp() interfaces
2012-05-21 08:50:57 -07:00
Linus Torvalds
dddbd5414b Merge branch 'vm-cleanups' (unmap_vma() interface cleanup)
This series sanitizes the interface to unmap_vma().  The crazy interface
annoyed me no end when I was looking at unmap_single_vma(), which we can
spend quite a lot of time in (especially with loads that have a lot of
small fork/exec's: shell scripts etc).

Moving the nr_accounted calculations to where they belong at least
clarifies things a little.  I hope to come back to look at the
performance of this later, but if/when I get back to it I at least don't
have to see the crazy interfaces any more.

* vm-cleanups:
  vm: remove 'nr_accounted' calculations from the unmap_vmas() interfaces
  vm: simplify unmap_vmas() calling convention
2012-05-21 08:37:07 -07:00
Russell King
ddf90a2ff2 Merge branches 'amba', 'devel-stable', 'fixes', 'mach-types', 'mmci', 'pci' and 'versatile' into for-linus 2012-05-21 15:15:10 +01:00
James Bottomley
e346933365 isci update for 3.5
1/ Rework remote-node-context (RNC) handling for proper management of
    the silicon state machine in error handling and hot-plug conditions.
    Further details below, suffice to say if the RNC is mismanaged the
    silicon state machines may lock up.
 
 2/ Refactor the initialization code to be reused for suspend/resume support
 
 3/ Miscellaneous bug fixes to address discovery issues and hardware
    compatibility.
 
 RNC rework details from Jeff Skirvin:
 
 In the controller, devices as they appear on a SAS domain (or
 direct-attached SATA devices) are represented by memory structures known
 as "Remote Node Contexts" (RNCs).  These structures are transferred from
 main memory to the controller using a set of register commands; these
 commands include setting up the context ("posting"), removing the
 context ("invalidating"), and commands to control the scheduling of
 commands and connections to that remote device ("suspensions" and
 "resumptions").  There is a similar path to control RNC scheduling from
 the protocol engine, which interprets the results of command and data
 transmission and reception.
 
 In general, the controller chooses among non-suspended RNCs to find one
 that has work requiring scheduling the transmission of command and data
 frames to a target.  Likewise, when a target tries to return data back
 to the initiator, the state of the RNC is used by the controller to
 determine how to treat the incoming request. As an example, if the RNC
 is in the state "TX/RX Suspended", incoming SSP connection requests from
 the target will be rejected by the controller hardware.  When an RNC is
 "TX Suspended", it will not be selected by the controller hardware to
 start outgoing command or data operations (with certain priority-based
 exceptions).
 
 As mentioned above, there are two sources for management of the RNC
 states: commands from driver software, and the result of transmission
 and reception conditions of commands and data signaled by the controller
 hardware.  As an example of the latter, if an outgoing SSP command ends
 with a OPEN_REJECT(BAD_DESTINATION) status, the RNC state will
 transition to the "TX Suspended" state, and this is signaled by the
 controller hardware in the status to the completion of the pending
 command as well as signaled in a controller hardware event.  Examples of
 the former are included in the patch changelogs.
 
 Driver software is required to suspend the RNC in a "TX/RX Suspended"
 condition before any outstanding commands can be terminated.  Failure to
 guarantee this can lead to a complete hardware hang condition.  Earlier
 versions of the driver software did not guarantee that an RNC was
 correctly managed before I/O termination, and so operated in an unsafe
 way.
 
 Further, the driver performed unnecessary contortions to preserve the
 remote device command state and so was more complicated than it needed
 to be.  A simplifying driver assumption is that once an I/O has entered
 the error handler path without having completed in the target, the
 requirement on the driver is that all use of the sas_task must end.
 Beyond that, recovery of operation is dependent on libsas and other
 components to reset, rediscover and reconfigure the device before normal
 operation can restart.  In the driver, this simplifying assumption meant
 that the RNC management could be reduced to entry into the suspended
 state, terminating the targeted I/O request, and resuming the RNC as
 needed for device-specific management such as an SSP Abort Task or LUN
 Reset Management request.
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Merge tag 'isci-for-3.5' into misc

isci update for 3.5

1/ Rework remote-node-context (RNC) handling for proper management of
   the silicon state machine in error handling and hot-plug conditions.
   Further details below, suffice to say if the RNC is mismanaged the
   silicon state machines may lock up.

2/ Refactor the initialization code to be reused for suspend/resume support

3/ Miscellaneous bug fixes to address discovery issues and hardware
   compatibility.

RNC rework details from Jeff Skirvin:

In the controller, devices as they appear on a SAS domain (or
direct-attached SATA devices) are represented by memory structures known
as "Remote Node Contexts" (RNCs).  These structures are transferred from
main memory to the controller using a set of register commands; these
commands include setting up the context ("posting"), removing the
context ("invalidating"), and commands to control the scheduling of
commands and connections to that remote device ("suspensions" and
"resumptions").  There is a similar path to control RNC scheduling from
the protocol engine, which interprets the results of command and data
transmission and reception.

In general, the controller chooses among non-suspended RNCs to find one
that has work requiring scheduling the transmission of command and data
frames to a target.  Likewise, when a target tries to return data back
to the initiator, the state of the RNC is used by the controller to
determine how to treat the incoming request. As an example, if the RNC
is in the state "TX/RX Suspended", incoming SSP connection requests from
the target will be rejected by the controller hardware.  When an RNC is
"TX Suspended", it will not be selected by the controller hardware to
start outgoing command or data operations (with certain priority-based
exceptions).

As mentioned above, there are two sources for management of the RNC
states: commands from driver software, and the result of transmission
and reception conditions of commands and data signaled by the controller
hardware.  As an example of the latter, if an outgoing SSP command ends
with a OPEN_REJECT(BAD_DESTINATION) status, the RNC state will
transition to the "TX Suspended" state, and this is signaled by the
controller hardware in the status to the completion of the pending
command as well as signaled in a controller hardware event.  Examples of
the former are included in the patch changelogs.

Driver software is required to suspend the RNC in a "TX/RX Suspended"
condition before any outstanding commands can be terminated.  Failure to
guarantee this can lead to a complete hardware hang condition.  Earlier
versions of the driver software did not guarantee that an RNC was
correctly managed before I/O termination, and so operated in an unsafe
way.

Further, the driver performed unnecessary contortions to preserve the
remote device command state and so was more complicated than it needed
to be.  A simplifying driver assumption is that once an I/O has entered
the error handler path without having completed in the target, the
requirement on the driver is that all use of the sas_task must end.
Beyond that, recovery of operation is dependent on libsas and other
components to reset, rediscover and reconfigure the device before normal
operation can restart.  In the driver, this simplifying assumption meant
that the RNC management could be reduced to entry into the suspended
state, terminating the targeted I/O request, and resuming the RNC as
needed for device-specific management such as an SSP Abort Task or LUN
Reset Management request.
2012-05-21 12:17:30 +01:00
David S. Miller
17eea0df5f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-20 21:53:04 -04:00
Eric Dumazet
bad43ca832 net: introduce skb_try_coalesce()
Move tcp_try_coalesce() protocol independent part to
skb_try_coalesce().

skb_try_coalesce() can be used in IPv4 defrag and IPv6 reassembly,
to build optimized skbs (less sk_buff, and possibly less 'headers')

skb_try_coalesce() is zero copy, unless the copy can fit in destination
header (its a rare case)

kfree_skb_partial() is also moved to net/core/skbuff.c and exported,
because IPv6 will need it in patch (ipv6: use skb coalescing in
reassembly).

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-19 18:34:57 -04:00
Linus Torvalds
14e931a264 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block layer fixes from Jens Axboe:
 "A few small, but important fixes.  Most of them are marked for stable
  as well

   - Fix failure to release a semaphore on error path in mtip32xx.
   - Fix crashable condition in bio_get_nr_vecs().
   - Don't mark end-of-disk buffers as mapped, limit it to i_size.
   - Fix for build problem with CONFIG_BLOCK=n on arm at least.
   - Fix for a buffer overlow on UUID partition printing.
   - Trivial removal of unused variables in dac960."

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: fix buffer overflow when printing partition UUIDs
  Fix blkdev.h build errors when BLOCK=n
  bio allocation failure due to bio_get_nr_vecs()
  block: don't mark buffers beyond end of disk as mapped
  mtip32xx: release the semaphore on an error path
  dac960: Remove unused variables from DAC960_CreateProcEntries()
2012-05-19 10:12:17 -07:00
Eric Dumazet
4adb9c4ac8 net: napi_frags_skb() is static
No need to export napi_frags_skb()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-19 02:51:00 -04:00
Eric Dumazet
a50feda546 ipv6: bool/const conversions phase2
Mostly bool conversions, some inline removals and const additions.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-19 01:08:16 -04:00
Jack Morgenstein
02daaf2741 IB/core: Fix IB_SA_COMP_MASK macro
It needs parentheses around the argument, so that it can be used with
complex arguments (e.g., "n+5").

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-18 17:16:11 -07:00
Eric Dumazet
6f532612cc net: introduce netdev_alloc_frag()
Fix two issues introduced in commit a1c7fff7e1
( net: netdev_alloc_skb() use build_skb() )

- Must be IRQ safe (non NAPI drivers can use it)
- Must not leak the frag if build_skb() fails to allocate sk_buff

This patch introduces netdev_alloc_frag() for drivers willing to
use build_skb() instead of __netdev_alloc_skb() variants.

Factorize code so that :
__dev_alloc_skb() is a wrapper around __netdev_alloc_skb(), and
dev_alloc_skb() a wrapper around netdev_alloc_skb()

Use __GFP_COLD flag.

Almost all network drivers now benefit from skb->head_frag
infrastructure.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-18 13:31:25 -04:00
Graeme Gregory
2945fbc2fc mfd: palmas PMIC device support
Palmas is a PMIC from Texas Instruments and this is the MFD part of the
driver for this chip. The PMIC has SMPS and LDO regulators, a general
purpose ADC, GPIO, USB OTG mode detection, watchdog and RTC features.

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-18 16:54:47 +01:00
Eric Dumazet
92113bfde2 ipv6: bool conversions phase1
ipv6_opt_accepted() returns a bool, and can use const pointers

ipv6_addr_equal(), ipv6_addr_any(), ipv6_addr_loopback(),
ipv6_addr_orchid() return a bool.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-18 02:24:13 -04:00
Eric Dumazet
cbc264cacd ip_frag: struct inet_frags match() method returns a bool
- match() method returns a boolean
- return (A && B && C && D) -> return A && B && C && D
- fix indentation

Signed-off-by: Eric Dumazet <edumazet@google.com>
2012-05-18 01:40:27 -04:00
David S. Miller
28e85100ae net: Remove netdevice ec_ptr, no longer used.
ECONET is gone, thus this can be deleted as well.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-18 01:39:43 -04:00
Stephen Hemminger
349f29d841 econet: remove ancient bug ridden protocol
More spring cleaning!

The ancient Econet protocol should go. Most of the bug fixes in recent
years have been fixing security vulnerabilities. The hardware hasn't
been made since the 90s, it is only interesting as an archeological curiosity.

For the truly curious, or insomniac, go read up on it.
  http://en.wikipedia.org/wiki/Econet

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-18 01:35:08 -04:00
Joe Perches
a508da6cc0 lapb: Neaten debugging
Enable dynamic debugging and remove a bunch of #ifdef/#endifs.

Add a lapb_dbg(level, fmt, ...) macro and replace the
printk(KERN_DEBUG uses.
Add pr_fmt and remove embedded prefixes.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-17 18:45:20 -04:00
Eldad Zack
1de5a71c3e ipv6: correct the ipv6 option name - Pad0 to Pad1
The padding destination or hop-by-hop option is called Pad1 and not Pad0.

See RFC2460 (4.2) or the IANA ipv6-parameters registry:
http://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xml

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-17 15:49:51 -04:00
stephen hemminger
048b899ce3 etherdevice: fix comments
Fix some minor problems in comments of etherdevice.h
 * Warning is out dated, file hasn't moved or disappeared in many years and
    is unlikely to do so soon.
 * Capitalize Ethernet consistently since it is a proper name
 * Fix descriptive comment of padding
 * Spelling and grammar fix for alignment comment

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-17 15:36:35 -04:00
Dan Williams
c79dd80d73 isci: kill sci_phy_protocol and sci_request_protocol
Holdovers from the initial driver cleanup, replace with enum sas_protocol.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2012-05-17 12:27:11 -07:00
Eric Dumazet
a2a385d627 tcp: bool conversions
bool conversions where possible.

__inline__ -> inline

space cleanups

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-17 14:59:59 -04:00
Linus Torvalds
31ae98359d Merge branches 'perf-urgent-for-linus', 'x86-urgent-for-linus' and 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf, x86 and scheduler updates from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tracing: Do not enable function event with enable
  perf stat: handle ENXIO error for perf_event_open
  perf: Turn off compiler warnings for flex and bison generated files
  perf stat: Fix case where guest/host monitoring is not supported by kernel
  perf build-id: Fix filename size calculation

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kvm: KVM paravirt kernels don't check for CPUID being unavailable
  x86: Fix section annotation of acpi_map_cpu2node()
  x86/microcode: Ensure that module is only loaded on supported Intel CPUs

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix KVM and ia64 boot crash due to sched_groups circular linked list assumption
2012-05-17 09:35:17 -07:00
Eric Dumazet
dc6b9b7823 net: include/net/sock.h cleanup
bool/const conversions where possible

__inline__ -> inline

space cleanups

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-17 04:50:21 -04:00
Nicholas Bellinger
5b9a4d7280 target: Add MI_REPORT_TARGET_PGS ext. header + implict_trans_secs attribute
This patch adds support for ALUA MI_REPORT_TARGET_PGS extended header
format defined within SPC-4.  It changes target core ALUA emulation logic
within target_emulate_report_target_port_groups() to support both the
extended and original length only header formats.

It includes adding a new 'implict_trans_secs' attribute for each ALUA
target port group to control the value returned to the application client
for an recommended implict translation timeout in seconds.  By default
this value is currently set to zero, and limited up to 255 by virtue of
using a single byte in the extended header format.

This value is used by target_emulate_report_target_port_groups() within
the extended header logic to set IMPLICIT TRANSITION TIME as defined by
spc4r30.

Cc: Hannes Reinecke <hare@suse.de>
Cc: Rob Evers <revers@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-17 00:45:58 -07:00
David S. Miller
028940342a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-05-16 22:17:37 -04:00
Jozsef Kadlecsik
127f559127 netfilter: ipset: fix timeout value overflow bug
Large timeout parameters could result wrong timeout values due to
an overflow at msec to jiffies conversion (reported by Andreas Herz)

[ This patch was mangled by Pablo Neira Ayuso since David Laight and
  Eric Dumazet noticed that we were using hardcoded 1000 instead of
  MSEC_PER_SEC to calculate the timeout ]

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-17 00:56:41 +02:00
Florian Westphal
1f27e2516c netfilter: xt_hashlimit: use _ALL macro to reject unknown flag bits
David Miller says:
     The canonical way to validate if the set bits are in a valid
     range is to have a "_ALL" macro, and test:
     if (val & ~XT_HASHLIMIT_ALL)
         goto err;"

make it so.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-17 00:56:31 +02:00
Linus Torvalds
8011652957 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking tree from David Miller:

1) ptp_pch driver build broke during this merge window due to missing
   slab.h header, fix from Geery Uytterhoeven.

2) If ipset passes in a bogus hash table size we crash because the size
   is not validated properly.  Compounding this, gcc-4.7 can miscompile
   ipset such that even when the user specifies legitimate parameters
   the tool passes in an out-of-range size to the kernel.

   Fix from Jozsef Kadlecsik.

3) Users have reported that the netdev watchdog can trigger with pch_gbe
   devices, and it turns out this is happening because of races in the
   TX path of the driver leading to the transmitter hanging.  Fix from
   Eric Dumazet, reported and tested by Andy Cress.

4) Novatel USB551L devices match the generic class entries for the cdc
   ethernet USB driver, but they don't work because they have generic
   descriptors and thus need FLAG_WWAN to function properly.

   Add the necessary ID table entry to fix this, from Dan Williams.

5) A recursive locking fix in the USBNET driver added a new problem, in
   that packet list traversal is now racy and we can thus access
   unlinked SKBs and crash.

   Avoid this situation by adding some extra state tracking, from Ming
   Lei.

6) The rtlwifi conversion to asynchronous firmware loading is racy, fix
   by reordering the probe procedure.  From Larry Finger.

   Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=43187

7) Fix regressions with bluetooth keyboards by notifying userland
   properly when the security level changes, from Gustavo Padovan.

8) Bluetooth needs to make sure device connected events are emitted
   before other kinds of events, otherwise userspace will think there is
   no baseband link yet and therefore abort the sockets associated with
   that connection.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  netfilter: ipset: fix hash size checking in kernel
  ptp_pch: Add missing #include <linux/slab.h>
  pch_gbe: fix transmit races
  cdc_ether: add Novatel USB551L device IDs for FLAG_WWAN
  usbnet: fix skb traversing races during unlink(v2)
  Bluetooth: mgmt: Fix device_connected sending order
  Bluetooth: notify userspace of security level change
  rtlwifi: fix for race condition when firmware is cached
2012-05-16 13:14:52 -07:00
Jozsef Kadlecsik
26a5d3cc0b netfilter: ipset: fix hash size checking in kernel
The hash size must fit both into u32 (jhash) and the max value of
size_t. The missing checking could lead to kernel crash, bug reported
by Seblu.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-16 15:38:49 -04:00