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David S. Miller
1adbfc435f Included bugfixes: 
- avoid freeing batadv_hardif_neigh_node when still in use in other contexts
 - prevent lockdep splat in mcast_free during shutdown
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Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge

Antonio Quartulli says:

====================
net: batman-adv 20160114

Included bugfixes:
- avoid freeing batadv_hardif_neigh_node when still in use in other contexts
- prevent lockdep splat in mcast_free during shutdown
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 14:57:42 -05:00
David S. Miller
e752991a2e Merge branch '3c59x-dma-fixes' 
Neil Horman says:

====================
3c59x: Fix dma map/unmap imbalances

	recent enhancements to libdma revealed a few minor bugs in 3c59x, in
which dma ranges were mapped as singles and unmaped as pages, or vice versa.
These patches fix those up.  Tested by myself with success
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 14:55:18 -05:00
Neil Horman
6e144419e4 3c59x: fix another page map/single unmap imbalance 
libdma debug found another page map/unmap imbalance in 3c59x.  Multi fragment
frames are mapped such that the lead fragment was mapped as a single entry,
while all other fragments were mapped as pages.  However, on unmapping they were
all unmapped as pages.  Fix is pretty easy, just unmap the lead frag as a single
entry, and bump the for loop initalization up by one so that all subsequent
frags get unmapped as pages

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 14:55:18 -05:00
Neil Horman
7356f4e424 3c59x: balance page maps and unmaps 
debug kernel noticed a screw up in 3c59x.  skbs being mapped as page were being
unmapped as singles.  Easy fix.  Tested by myself

Signed-off-by: Neil Horman <nhorman@tuxdriver.com
CC: "David S. Miller" <davem@davemloft.net>
CC: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 14:55:18 -05:00
David S. Miller
3b780bed31 x25_asy: Free x25_asy on x25_asy_open() failure. 
Based upon a report by Dmitry Vyukov.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 11:45:39 -05:00
Dan Carpenter
00ae40e71d mlxsw: fix SWITCHDEV_OBJ_ID_PORT_MDB 
There is a missing break statement so we always return -EOPNOTSUPP.

Fixes: 3a49b4fde2 ('mlxsw: Adding layer 2 multicast support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 10:31:21 -05:00
David S. Miller
b8e429a2fe genetlink: Fix off-by-one in genl_allocate_reserve_groups() 
The bug fix for adding n_groups to the computation forgot
to adjust ">=" to ">" to keep the condition correct.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 10:28:06 -05:00
Sven Eckelmann
bab7c6c3de batman-adv: Fix list removal of batadv_hardif_neigh_node 
The neigh_list with batadv_hardif_neigh_node objects is accessed with only
rcu_read_lock in batadv_hardif_neigh_get and batadv_iv_neigh_print. Thus it
is not allowed to kfree the object before the rcu grace period ends (which
may still protects context accessing this object). Therefore the object has
first to be removed from the neigh_list and then it has either wait with
synchronize_rcu or call_rcu till the grace period ends before it can be
freed.

Fixes: cef63419f7 ("batman-adv: add list of unique single hop neighbors per hard-interface")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
 2016-01-13 19:28:27 +08:00
Simon Wunderlich
af63cf51b7 batman-adv: fix lockdep splat when doing mcast_free 
While testing, we got something like this:

WARNING: CPU: 0 PID: 238 at net/batman-adv/multicast.c:142 batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]()
[...]
Call Trace:
[<ffffffff815fc597>] dump_stack+0x4b/0x64
[<ffffffff810b34dc>] warn_slowpath_common+0xbc/0x120
[<ffffffffa0024ec5>] ? batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]
[<ffffffff810b3705>] warn_slowpath_null+0x15/0x20
[<ffffffffa0024ec5>] batadv_mcast_mla_tt_retract+0x94/0x205 [batman_adv]
[<ffffffffa00273fe>] batadv_mcast_free+0x36/0x39 [batman_adv]
[<ffffffffa0020c77>] batadv_mesh_free+0x7d/0x13f [batman_adv]
[<ffffffffa0036a6b>] batadv_softif_free+0x15/0x25 [batman_adv]
[...]

Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
 2016-01-13 19:26:25 +08:00
wangweidong
f1640c3dde bgmac: fix a missing check for build_skb 
when build_skb failed, it may occure a NULL pointer.
So add a 'NULL check' for it.

Signed-off-by: Weidong Wang <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-13 00:24:14 -05:00
David S. Miller
ddb5388ffd Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2016-01-13 00:21:27 -05:00
Linus Torvalds
67990608c8 Power management and ACPI updates for v4.5-rc1 
- Add a debugfs-based interface for interacting with the ACPICA's
    AML debugger introduced in the previous cycle and a new user
    space tool for that, fix some bugs related to the AML debugger
    and clean up the code in question (Lv Zheng, Dan Carpenter,
    Colin Ian King, Markus Elfring).
 
  - Update ACPICA to upstream revision 20151218 including a number
    of fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng,
    Labbe Corentin, Prarit Bhargava, Colin Ian King, David E Box,
    Rafael Wysocki).
 
    In particular, the previously added erroneous support for the
    _SUB object is dropped, the concatenate operator will support
    all ACPI objects now, the Debug Object handling is improved,
    the SuperName handling of parameters being control methods is
    fixed, the ObjectType operator handling is updated to follow
    ACPI 5.0A and the handling of CondRefOf and RefOf is updated
    accordingly, module-level code will be executed after loading
    each ACPI table now (instead of being run once after all tables
    containing AML have been loaded), the Operation Region handlers
    management is updated to fix some reported problems and a the
    ACPICA code in the kernel is more in line with the upstream
    now.
 
  - Update the ACPI backlight driver to provide information on
    whether or not it will generate key-presses for brightness
    change hotkeys and update some platform drivers (dell-wmi,
    thinkpad_acpi) to use that information to avoid sending double
    key-events to users pace for these, add new ACPI backlight
    quirks (Hans de Goede, Aaron Lu, Adrien Schildknecht).
 
  - Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).
 
  - Fix the handling of the list of device IDs of device objects
    found in the ACPI namespace and add a helper for checking if
    there is a device object for a given device ID (Lukas Wunner).
 
  - Change the logic in the ACPI namespace scanning code to create
    struct acpi_device objects for all ACPI device objects found in
    the namespace even if _STA fails for them which helps to avoid
    device enumeration problems on Microsoft Surface 3 (Aaron Lu).
 
  - Add support for the APM X-Gene ACPI I2C device to the ACPI
    driver for AMD SoCs (Loc Ho).
 
  - Fix the long-standing issue with the DMA controller on Intel
    SoCs where ACPI tables have no power management support for
    the DMA controller itself, but it can be powered off automatically
    when the last (other) device on the SoC is powered off via ACPI
    and clean up the ACPI driver for Intel SoCs (acpi-lpss) after
    previous attempts to fix that problem (Andy Shevchenko).
 
  - Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
    Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
    Sinan Kaya).
 
  - Update the device properties framework for better handling of
    built-in properties, add support for built-in properties to
    the platform bus type, update the MFD subsystem's handling
    of device properties and add support for passing default
    configuration data as device properties to the intel-lpss MFD
    drivers, convert the designware I2C driver to use the unified
    device properties API and add a fallback mechanism for using
    default built-in properties if the platform firmware fails
    to provide the properties as expected by drivers (Andy Shevchenko,
    Mika Westerberg, Heikki Krogerus, Andrew Morton).
 
  - Add new Device Tree bindings to the Operating Performance Points
    (OPP) framework and update the exynos4412 DT binding accordingly,
    introduce debugfs support for the OPP framework (Viresh Kumar,
    Bartlomiej Zolnierkiewicz).
 
  - Migrate the mt8173 cpufreq driver to the new OPP bindings
    (Pi-Cheng Chen).
 
  - Update the cpufreq core to make the handling of governors
    more efficient, especially on systems where policy objects
    are shared between multiple CPUs (Viresh Kumar, Rafael Wysocki).
 
  - Fix cpufreq governor handling on configurations with
    CONFIG_HZ_PERIODIC set (Chen Yu).
 
  - Clean up the cpufreq core code related to the boost sysfs knob
    support and update the ACPI cpufreq driver accordingly (Rafael
    Wysocki).
 
  - Add a new cpufreq driver for ST platforms and corresponding
    Device Tree bindings (Lee Jones).
 
  - Update the intel_pstate driver to allow the P-state selection
    algorithm used by it to depend on the CPU ID of the processor it
    is running on, make it use a special P-state selection algorithm
    (with an IO wait time compensation tweak) on Atom CPUs based on
    the Airmont and Silvermont cores so as to reduce their energy
    consumption and improve intel_pstate documentation (Philippe
    Longepe, Srinivas Pandruvada).
 
  - Update the cpufreq-dt driver to support registering cooling
    devices that use the (P * V^2 * f) dynamic power draw formula
    where V is the voltage, f is the frequency and P is a constant
    coefficient provided by Device Tree and update the arm_big_little
    cpufreq driver to use that support (Punit Agrawal).
 
  - Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
    blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia,
    Jacob Tanenbaum, Markus Elfring).
 
  - cpuidle core tweaks related to polling and measured_us
    calculation (Rik van Riel).
 
  - Removal of modularity from a few cpuidle drivers (clps711x,
    ux500, exynos) that cannot be built as modules in practice
    (Paul Gortmaker).
 
  - PM core update to prevent devices from being probed during
    system suspend/resume which is generally problematic and may
    lead to inconsistent behavior (Grygorii Strashko).
 
  - Assorted updates of the PM core and related code (Julia Lawall,
    Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki,
    Ulf Hansson).
 
  - PNP bus type updates (Christophe Le Roy, Heiner Kallweit).
 
  - PCI PM code cleanups (Jarkko Nikula, Julia Lawall).
 
  - cpupower tool updates (Jacob Tanenbaum, Thomas Renninger).
 
 /
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Merge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull oower management and ACPI updates from Rafael Wysocki:
 "As far as the number of commits goes, ACPICA takes the lead this time,
  followed by cpufreq and the device properties framework changes.

  The most significant new feature is the debugfs-based interface to the
  ACPICA's AML debugger added in the previous cycle and a new user space
  tool for accessing it.

  On the cpufreq front, the core is updated to handle governors more
  efficiently, particularly on systems where a single cpufreq policy
  object is shared between multiple CPUs, and there are quite a few
  changes in drivers (intel_pstate, cpufreq-dt etc).

  The device properties framework is updated to handle built-in (ie
  included in the kernel itself) device properties better, among other
  things by adding a fallback mechanism that will allow drivers to
  provide default properties to be used in case the plaform firmware
  doesn't provide the properties expected by them.

  The Operating Performance Points (OPP) framework gets new DT bindings
  and debugfs support.

  A new cpufreq driver for ST platforms is added and the ACPI driver for
  AMD SoCs will now support the APM X-Gene ACPI I2C device.

  The rest is mostly fixes and cleanups all over.

  Specifics:

   - Add a debugfs-based interface for interacting with the ACPICA's AML
     debugger introduced in the previous cycle and a new user space tool
     for that, fix some bugs related to the AML debugger and clean up
     the code in question (Lv Zheng, Dan Carpenter, Colin Ian King,
     Markus Elfring).

   - Update ACPICA to upstream revision 20151218 including a number of
     fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng, Labbe
     Corentin, Prarit Bhargava, Colin Ian King, David E Box, Rafael
     Wysocki).

     In particular, the previously added erroneous support for the _SUB
     object is dropped, the concatenate operator will support all ACPI
     objects now, the Debug Object handling is improved, the SuperName
     handling of parameters being control methods is fixed, the
     ObjectType operator handling is updated to follow ACPI 5.0A and the
     handling of CondRefOf and RefOf is updated accordingly, module-
     level code will be executed after loading each ACPI table now
     (instead of being run once after all tables containing AML have
     been loaded), the Operation Region handlers management is updated
     to fix some reported problems and a the ACPICA code in the kernel
     is more in line with the upstream now.

   - Update the ACPI backlight driver to provide information on whether
     or not it will generate key-presses for brightness change hotkeys
     and update some platform drivers (dell-wmi, thinkpad_acpi) to use
     that information to avoid sending double key-events to users pace
     for these, add new ACPI backlight quirks (Hans de Goede, Aaron Lu,
     Adrien Schildknecht).

   - Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).

   - Fix the handling of the list of device IDs of device objects found
     in the ACPI namespace and add a helper for checking if there is a
     device object for a given device ID (Lukas Wunner).

   - Change the logic in the ACPI namespace scanning code to create
     struct acpi_device objects for all ACPI device objects found in the
     namespace even if _STA fails for them which helps to avoid device
     enumeration problems on Microsoft Surface 3 (Aaron Lu).

   - Add support for the APM X-Gene ACPI I2C device to the ACPI driver
     for AMD SoCs (Loc Ho).

   - Fix the long-standing issue with the DMA controller on Intel SoCs
     where ACPI tables have no power management support for the DMA
     controller itself, but it can be powered off automatically when the
     last (other) device on the SoC is powered off via ACPI and clean up
     the ACPI driver for Intel SoCs (acpi-lpss) after previous attempts
     to fix that problem (Andy Shevchenko).

   - Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
     Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
     Sinan Kaya).

   - Update the device properties framework for better handling of
     built-in properties, add support for built-in properties to the
     platform bus type, update the MFD subsystem's handling of device
     properties and add support for passing default configuration data
     as device properties to the intel-lpss MFD drivers, convert the
     designware I2C driver to use the unified device properties API and
     add a fallback mechanism for using default built-in properties if
     the platform firmware fails to provide the properties as expected
     by drivers (Andy Shevchenko, Mika Westerberg, Heikki Krogerus,
     Andrew Morton).

   - Add new Device Tree bindings to the Operating Performance Points
     (OPP) framework and update the exynos4412 DT binding accordingly,
     introduce debugfs support for the OPP framework (Viresh Kumar,
     Bartlomiej Zolnierkiewicz).

   - Migrate the mt8173 cpufreq driver to the new OPP bindings (Pi-Cheng
     Chen).

   - Update the cpufreq core to make the handling of governors more
     efficient, especially on systems where policy objects are shared
     between multiple CPUs (Viresh Kumar, Rafael Wysocki).

   - Fix cpufreq governor handling on configurations with
     CONFIG_HZ_PERIODIC set (Chen Yu).

   - Clean up the cpufreq core code related to the boost sysfs knob
     support and update the ACPI cpufreq driver accordingly (Rafael
     Wysocki).

   - Add a new cpufreq driver for ST platforms and corresponding Device
     Tree bindings (Lee Jones).

   - Update the intel_pstate driver to allow the P-state selection
     algorithm used by it to depend on the CPU ID of the processor it is
     running on, make it use a special P-state selection algorithm (with
     an IO wait time compensation tweak) on Atom CPUs based on the
     Airmont and Silvermont cores so as to reduce their energy
     consumption and improve intel_pstate documentation (Philippe
     Longepe, Srinivas Pandruvada).

   - Update the cpufreq-dt driver to support registering cooling devices
     that use the (P * V^2 * f) dynamic power draw formula where V is
     the voltage, f is the frequency and P is a constant coefficient
     provided by Device Tree and update the arm_big_little cpufreq
     driver to use that support (Punit Agrawal).

   - Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
     blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia, Jacob
     Tanenbaum, Markus Elfring).

   - cpuidle core tweaks related to polling and measured_us calculation
     (Rik van Riel).

   - Removal of modularity from a few cpuidle drivers (clps711x, ux500,
     exynos) that cannot be built as modules in practice (Paul
     Gortmaker).

   - PM core update to prevent devices from being probed during system
     suspend/resume which is generally problematic and may lead to
     inconsistent behavior (Grygorii Strashko).

   - Assorted updates of the PM core and related code (Julia Lawall,
     Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki, Ulf
     Hansson).

   - PNP bus type updates (Christophe Le Roy, Heiner Kallweit).

   - PCI PM code cleanups (Jarkko Nikula, Julia Lawall).

   - cpupower tool updates (Jacob Tanenbaum, Thomas Renninger)"

* tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (177 commits)
  PM / clk: don't leave clocks enabled when driver not bound
  i2c: dw: Add APM X-Gene ACPI I2C device support
  ACPI / APD: Add APM X-Gene ACPI I2C device support
  ACPI / LPSS: change 'does not have' to 'has' in comment
  Revert "dmaengine: dw: platform: provide platform data for Intel"
  dmaengine: dw: return immediately from IRQ when DMA isn't in use
  dmaengine: dw: platform: power on device on shutdown
  ACPI / LPSS: override power state for LPSS DMA device
  PM / OPP: Use snprintf() instead of sprintf()
  Documentation: cpufreq: intel_pstate: enhance documentation
  ACPI, PCI, irq: remove redundant check for null string pointer
  ACPI / video: driver must be registered before checking for keypresses
  cpufreq-dt: fix handling regulator_get_voltage() result
  cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
  PM / sleep: Add support for read-only sysfs attributes
  ACPI: Fix white space in a structure definition
  ACPI / SBS: fix inconsistent indenting inside if statement
  PNP: respect PNP_DRIVER_RES_DO_NOT_CHANGE when detaching
  ACPI / PNP: constify device IDs
  ACPI / PCI: Simplify acpi_penalize_isa_irq()
  ...
 2016-01-12 20:25:09 -08:00
Linus Torvalds
c17488d066 Not much new with tracing for this release. Mostly just clean ups and 
minor fixes.
 
 Here's what else is new:
 
  o  A new TRACE_EVENT_FN_COND macro, combining both _FN and _COND for
     those that want both.
 
  o  New selftest to test the instance create and delete
 
  o  Better debug output when ftrace fails
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Merge tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "Not much new with tracing for this release.  Mostly just clean ups and
  minor fixes.

  Here's what else is new:

   - A new TRACE_EVENT_FN_COND macro, combining both _FN and _COND for
     those that want both.

   - New selftest to test the instance create and delete

   - Better debug output when ftrace fails"

* tag 'trace-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (24 commits)
  ftrace: Fix the race between ftrace and insmod
  ftrace: Add infrastructure for delayed enabling of module functions
  x86: ftrace: Fix the comments for ftrace_modify_code_direct()
  tracing: Fix comment to use tracing_on over tracing_enable
  metag: ftrace: Fix the comments for ftrace_modify_code
  sh: ftrace: Fix the comments for ftrace_modify_code()
  ia64: ftrace: Fix the comments for ftrace_modify_code()
  ftrace: Clean up ftrace_module_init() code
  ftrace: Join functions ftrace_module_init() and ftrace_init_module()
  tracing: Introduce TRACE_EVENT_FN_COND macro
  tracing: Use seq_buf_used() in seq_buf_to_user() instead of len
  bpf: Constify bpf_verifier_ops structure
  ftrace: Have ftrace_ops_get_func() handle RCU and PER_CPU flags too
  ftrace: Remove use of control list and ops
  ftrace: Fix output of enabled_functions for showing tramp
  ftrace: Fix a typo in comment
  ftrace: Show all tramps registered to a record on ftrace_bug()
  ftrace: Add variable ftrace_expected for archs to show expected code
  ftrace: Add new type to distinguish what kind of ftrace_bug()
  tracing: Update cond flag when enabling or disabling a trigger
  ...
 2016-01-12 20:04:15 -08:00
Linus Torvalds
34a9304a96 Merge branch 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cgroup updates from Tejun Heo:

 - cgroup v2 interface is now official.  It's no longer hidden behind a
   devel flag and can be mounted using the new cgroup2 fs type.

   Unfortunately, cpu v2 interface hasn't made it yet due to the
   discussion around in-process hierarchical resource distribution and
   only memory and io controllers can be used on the v2 interface at the
   moment.

 - The existing documentation which has always been a bit of mess is
   relocated under Documentation/cgroup-v1/. Documentation/cgroup-v2.txt
   is added as the authoritative documentation for the v2 interface.

 - Some features are added through for-4.5-ancestor-test branch to
   enable netfilter xt_cgroup match to use cgroup v2 paths.  The actual
   netfilter changes will be merged through the net tree which pulled in
   the said branch.

 - Various cleanups

* 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: rename cgroup documentations
  cgroup: fix a typo.
  cgroup: Remove resource_counter.txt in Documentation/cgroup-legacy/00-INDEX.
  cgroup: demote subsystem init messages to KERN_DEBUG
  cgroup: Fix uninitialized variable warning
  cgroup: put controller Kconfig options in meaningful order
  cgroup: clean up the kernel configuration menu nomenclature
  cgroup_pids: fix a typo.
  Subject: cgroup: Fix incomplete dd command in blkio documentation
  cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends
  cpuset: Replace all instances of time_t with time64_t
  cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation
  cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/
  cgroup: replace __DEVEL__sane_behavior with cgroup2 fs type
 2016-01-12 19:20:32 -08:00
Linus Torvalds
aee3bfa330 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...
 2016-01-12 18:57:02 -08:00
Linus Torvalds
c597b6bcd5 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto update from Herbert Xu:
 "Algorithms:
   - Add RSA padding algorithm

  Drivers:
   - Add GCM mode support to atmel
   - Add atmel support for SAMA5D2 devices
   - Add cipher modes to talitos
   - Add rockchip driver for rk3288
   - Add qat support for C3XXX and C62X"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits)
  crypto: hifn_795x, picoxcell - use ablkcipher_request_cast
  crypto: qat - fix SKU definiftion for c3xxx dev
  crypto: qat - Fix random config build issue
  crypto: ccp - use to_pci_dev and to_platform_device
  crypto: qat - Rename dh895xcc mmp firmware
  crypto: 842 - remove WARN inside printk
  crypto: atmel-aes - add debug facilities to monitor register accesses.
  crypto: atmel-aes - add support to GCM mode
  crypto: atmel-aes - change the DMA threshold
  crypto: atmel-aes - fix the counter overflow in CTR mode
  crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686
  crypto: atmel-aes - create sections to regroup functions by usage
  crypto: atmel-aes - fix typo and indentation
  crypto: atmel-aes - use SIZE_IN_WORDS() helper macro
  crypto: atmel-aes - improve performances of data transfer
  crypto: atmel-aes - fix atmel_aes_remove()
  crypto: atmel-aes - remove useless AES_FLAGS_DMA flag
  crypto: atmel-aes - reduce latency of DMA completion
  crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev
  crypto: atmel-aes - rework crypto request completion
  ...
 2016-01-12 18:51:14 -08:00
Linus Torvalds
60b7eca1dc This pull request contains three changes, two cleanups and one UBI 
wear leveling improvement by Sebastian Siewior.
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Merge tag 'upstream-4.5-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI/UBIFS updates from Richard Weinberger:
 "This contains three changes - two cleanups and one UBI wear leveling
  improvement by Sebastian Siewior"

* tag 'upstream-4.5-rc1' of git://git.infradead.org/linux-ubifs:
  ubifs: Use XATTR_*_PREFIX_LEN
  UBIFS: add a comment in key.h for unused parameter
  mtd: ubi: wl: avoid erasing a PEB which is empty
 2016-01-12 18:20:20 -08:00
Linus Torvalds
420d12d6ad Configfs changes for the 4.5 merge window: 
- I'm assisting Joel as co-maintainer and patch monkey now, and you will
    see pull reuquests from me for a while
  - Besides the MAINTAINERS update there is just a single change, which
    adds support for binary attributes to configfs, which are very similar
    to the sysfs binary attributes.  Thanks to Pantelis Antoniou!
  - You will see another actually bigger set of configfs changes in the
    SCSI target pull from Nic - those were merged before this new tree
    even existed
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Merge tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:
 "I'm assisting Joel as co-maintainer and patch monkey now, and you will
  see pull reuquests from me for a while.

  Besides the MAINTAINERS update there is just a single change, which
  adds support for binary attributes to configfs, which are very similar
  to the sysfs binary attributes.  Thanks to Pantelis Antoniou!

  You will see another actually bigger set of configfs changes in the
  SCSI target pull from Nic - those were merged before this new tree
  even existed"

* tag 'configfs-for-linus' of git://git.infradead.org/users/hch/configfs:
  configfs: add myself as co-maintainer, updated git tree
  configfs: implement binary attributes
 2016-01-12 18:15:34 -08:00
Linus Torvalds
4d58967783 GFS2: merge window 
Here is a list of patches we've accumulated for GFS2 for the current upstream
 merge window. Last window's set was short, but I warned that this one would
 be bigger, and so it is. We've got 19 patches:
 
 - A patch from Abhi Das to propagate the GFS2_DIF_SYSTEM bit so that newly
   added journals don't get flagged, deleted, and recreated by fsck.gfs2.
 - Two patches from Andreas Gruenbacher to improve GFS2 performance where
   extended attributes are involved.
 - A patch from Andy Price to fix a suspicious rcu dereference error.
 - Two patches from Ben Marzinski that rework how GFS2's NFS cookies are
   managed. This fixes readdir problems with nfs-over-gfs2.
 - A patch from Ben Marzinski that fixes a race in unmounting GFS2.
 - A set of four patches from me to move the resource group reservations
   inside the gfs2 inode to improve performance and fix a bug whereby
   get_write_access improperly prevented some operations like chown.
 - A patch from me to spinlock-protect the setting of system statfs file data.
   This was causing small discrepancies between df and du.
 - A patch from me to reintroduce a timeout while clearing glocks which was
   accidentally dropped some time ago.
 - A patch from me to wait for iopen glock dequeues in order to improve
   deleting of files that were unlinked from a different cluster node.
 - A patch from me to ensure metadata address spaces get truncated when an
   inode is evicted.
 - A patch from me to fix a bug in which a memory leak could occur in some
   error cases when inodes were trying to be created.
 - A patch to consistently use iopen glocks to transition from the unlinked
   state to the deleted state.
 - A patch to fix a glock reference count error when inode creation fails.
 - A patch from Junxiao Bi to fix an flock panic.
 - A patch from Markus Elfring that removes an unnecessary if.
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Merge tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull GFS2 updates from Bob Peterson:
 "Here is a list of patches we've accumulated for GFS2 for the current
  upstream merge window.  Last window's set was short, but I warned that
  this one would be bigger, and so it is.  We've got 19 patches:

   - A patch from Abhi Das to propagate the GFS2_DIF_SYSTEM bit so that
     newly added journals don't get flagged, deleted, and recreated by
     fsck.gfs2.

   - Two patches from Andreas Gruenbacher to improve GFS2 performance
     where extended attributes are involved.

   - A patch from Andy Price to fix a suspicious rcu dereference error.

   - Two patches from Ben Marzinski that rework how GFS2's NFS cookies
     are managed.  This fixes readdir problems with nfs-over-gfs2.

   - A patch from Ben Marzinski that fixes a race in unmounting GFS2.

   - A set of four patches from me to move the resource group
     reservations inside the gfs2 inode to improve performance and fix a
     bug whereby get_write_access improperly prevented some operations
     like chown.

   - A patch from me to spinlock-protect the setting of system statfs
     file data.  This was causing small discrepancies between df and du.

   - A patch from me to reintroduce a timeout while clearing glocks
     which was accidentally dropped some time ago.

   - A patch from me to wait for iopen glock dequeues in order to
     improve deleting of files that were unlinked from a different
     cluster node.

   - A patch from me to ensure metadata address spaces get truncated
     when an inode is evicted.

   - A patch from me to fix a bug in which a memory leak could occur in
     some error cases when inodes were trying to be created.

   - A patch to consistently use iopen glocks to transition from the
     unlinked state to the deleted state.

   - A patch to fix a glock reference count error when inode creation
     fails.

   - A patch from Junxiao Bi to fix an flock panic.

   - A patch from Markus Elfring that removes an unnecessary if"

* tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: fix flock panic issue
  GFS2: Don't do glock put on when inode creation fails
  GFS2: Always use iopen glock for gl_deletes
  GFS2: Release iopen glock in gfs2_create_inode error cases
  GFS2: Truncate address space mapping when deleting an inode
  GFS2: Wait for iopen glock dequeues
  gfs2: clear journal live bit in	gfs2_log_flush
  gfs2: change gfs2 readdir cookie
  gfs2: keep offset when splitting dir leaf blocks
  GFS2: Reintroduce a timeout in function gfs2_gl_hash_clear
  GFS2: Update master statfs buffer with sd_statfs_spin locked
  GFS2: Reduce size of incore inode
  GFS2: Make rgrp reservations part of the gfs2_inode structure
  GFS2: Extract quota data from reservations structure (revert 5407e24)
  gfs2: Extended attribute readahead optimization
  gfs2: Extended attribute readahead
  GFS2: Use rht_for_each_entry_rcu in glock_hash_walk
  GFS2: Delete an unnecessary check before the function call "iput"
  gfs2: Automatically set GFS2_DIF_SYSTEM flag on system files
 2016-01-12 18:09:35 -08:00
Linus Torvalds
33caf82acf Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc vfs updates from Al Viro:
 "All kinds of stuff.  That probably should've been 5 or 6 separate
  branches, but by the time I'd realized how large and mixed that bag
  had become it had been too close to -final to play with rebasing.

  Some fs/namei.c cleanups there, memdup_user_nul() introduction and
  switching open-coded instances, burying long-dead code, whack-a-mole
  of various kinds, several new helpers for ->llseek(), assorted
  cleanups and fixes from various people, etc.

  One piece probably deserves special mention - Neil's
  lookup_one_len_unlocked().  Similar to lookup_one_len(), but gets
  called without ->i_mutex and tries to avoid ever taking it.  That, of
  course, means that it's not useful for any directory modifications,
  but things like getting inode attributes in nfds readdirplus are fine
  with that.  I really should've asked for moratorium on lookup-related
  changes this cycle, but since I hadn't done that early enough...  I
  *am* asking for that for the coming cycle, though - I'm going to try
  and get conversion of i_mutex to rwsem with ->lookup() done under lock
  taken shared.

  There will be a patch closer to the end of the window, along the lines
  of the one Linus had posted last May - mechanical conversion of
  ->i_mutex accesses to inode_lock()/inode_unlock()/inode_trylock()/
  inode_is_locked()/inode_lock_nested().  To quote Linus back then:

    -----
    |    This is an automated patch using
    |
    |        sed 's/mutex_lock(&\(.*\)->i_mutex)/inode_lock(\1)/'
    |        sed 's/mutex_unlock(&\(.*\)->i_mutex)/inode_unlock(\1)/'
    |        sed 's/mutex_lock_nested(&\(.*\)->i_mutex,[     ]*I_MUTEX_\([A-Z0-9_]*\))/inode_lock_nested(\1, I_MUTEX_\2)/'
    |        sed 's/mutex_is_locked(&\(.*\)->i_mutex)/inode_is_locked(\1)/'
    |        sed 's/mutex_trylock(&\(.*\)->i_mutex)/inode_trylock(\1)/'
    |
    |    with a very few manual fixups
    -----

  I'm going to send that once the ->i_mutex-affecting stuff in -next
  gets mostly merged (or when Linus says he's about to stop taking
  merges)"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  nfsd: don't hold i_mutex over userspace upcalls
  fs:affs:Replace time_t with time64_t
  fs/9p: use fscache mutex rather than spinlock
  proc: add a reschedule point in proc_readfd_common()
  logfs: constify logfs_block_ops structures
  fcntl: allow to set O_DIRECT flag on pipe
  fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
  fs: xattr: Use kvfree()
  [s390] page_to_phys() always returns a multiple of PAGE_SIZE
  nbd: use ->compat_ioctl()
  fs: use block_device name vsprintf helper
  lib/vsprintf: add %*pg format specifier
  fs: use gendisk->disk_name where possible
  poll: plug an unused argument to do_poll
  amdkfd: don't open-code memdup_user()
  cdrom: don't open-code memdup_user()
  rsxx: don't open-code memdup_user()
  mtip32xx: don't open-code memdup_user()
  [um] mconsole: don't open-code memdup_user_nul()
  [um] hostaudio: don't open-code memdup_user()
  ...
 2016-01-12 17:11:47 -08:00
Linus Torvalds
ca9706a282 Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull iov_iter infrastructure updates from Al Viro:
 "A couple of iov_iter updates"

* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  iov_iter: export import_single_range()
  iov_iter: constify {csum_and_,}copy_to_iter()
 2016-01-12 16:49:58 -08:00
Linus Torvalds
fce205e9da Merge branch 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull vfs copy_file_range updates from Al Viro:
 "Several series around copy_file_range/CLONE"

* 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  btrfs: use new dedupe data function pointer
  vfs: hoist the btrfs deduplication ioctl to the vfs
  vfs: wire up compat ioctl for CLONE/CLONE_RANGE
  cifs: avoid unused variable and label
  nfsd: implement the NFSv4.2 CLONE operation
  nfsd: Pass filehandle to nfs4_preprocess_stateid_op()
  vfs: pull btrfs clone API to vfs layer
  locks: new locks_mandatory_area calling convention
  vfs: Add vfs_copy_file_range() support for pagecache copies
  btrfs: add .copy_file_range file operation
  x86: add sys_copy_file_range to syscall tables
  vfs: add copy_file_range syscall and vfs helper
 2016-01-12 16:30:34 -08:00
Linus Torvalds
065019a38f File locking related changes for v4.5 (pile #1) 
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Merge tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux

Pull file locking updates from Jeff Layton:
 "File locking related changes for v4.5 (pile #1)

  Highlights:
   - new Kconfig option to allow disabling mandatory locking (which is
     racy anyway)
   - new tracepoints for setlk and close codepaths
   - fix for a long-standing bug in code that handles races between
     setting a POSIX lock and close()"

* tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux:
  locks: rename __posix_lock_file to posix_lock_inode
  locks: prink more detail when there are leaked locks
  locks: pass inode pointer to locks_free_lock_context
  locks: sprinkle some tracepoints around the file locking code
  locks: don't check for race with close when setting OFD lock
  locks: fix unlock when fcntl_setlk races with a close
  fs: make locks.c explicitly non-modular
  locks: use list_first_entry_or_null()
  locks: Don't allow mounts in user namespaces to enable mandatory locking
  locks: Allow disabling mandatory locking at compile time
 2016-01-12 15:46:17 -08:00
Arnd Bergmann
415b6f19e8 net: bnxt: always return values from _bnxt_get_max_rings 
Newly added code in the bnxt driver uses a couple of variables that
are never initialized when CONFIG_BNXT_SRIOV is not set, and gcc
correctly warns about that:

In file included from include/linux/list.h:8:0,
                 from include/linux/module.h:9,
                 from drivers/net/ethernet/broadcom/bnxt/bnxt.c:10:
drivers/net/ethernet/broadcom/bnxt/bnxt.c: In function 'bnxt_get_max_rings':
include/linux/kernel.h:794:26: warning: 'cp' may be used uninitialized in this function [-Wmaybe-uninitialized]
include/linux/kernel.h:794:26: warning: 'tx' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/net/ethernet/broadcom/bnxt/bnxt.c:5730:11: warning: 'rx' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/net/ethernet/broadcom/bnxt/bnxt.c:5736:6: note: 'rx' was declared here

This changes the condition so that we fall back to using the PF
data if VF is not available, and always initialize the variables
to something useful.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 6e6c5a57fb ("bnxt_en: Modify bnxt_get_max_rings() to support shared or non shared rings.")
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 17:06:56 -05:00
Rabin Vincent
229394e8e6 net: bpf: reject invalid shifts 
On ARM64, a BUG() is triggered in the eBPF JIT if a filter with a
constant shift that can't be encoded in the immediate field of the
UBFM/SBFM instructions is passed to the JIT.  Since these shifts
amounts, which are negative or >= regsize, are invalid, reject them in
the eBPF verifier and the classic BPF filter checker, for all
architectures.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 17:06:53 -05:00
Matti Vaittinen
ccdf6ce6a8 net: netlink: Fix multicast group storage allocation for families with more than one groups 
Multicast groups are stored in global buffer. Check for needed buffer size
incorrectly compares buffer size to first id for family. This means that
for families with more than one mcast id one may allocate too small buffer
and end up writing rest of the groups to some unallocated memory. Fix the
buffer size check to compare allocated space to last mcast id for the
family.

Tested on ARM using kernel 3.14

Signed-off-by: Matti Vaittinen <matti.vaittinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 16:40:15 -05:00
Linus Torvalds
4f31d774dd Merge branch 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 
Pull UML updates from Richard Weinberger:
 "This contains beside of random fixes/cleanups two bigger changes:

   - seccomp support by Mickaël Salaün

   - IRQ rework by Anton Ivanov"

* 'for-linus-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: Use race-free temporary file creation
  um: Do not set unsecure permission for temporary file
  um: Fix build error and kconfig for i386
  um: Add seccomp support
  um: Add full asm/syscall.h support
  selftests/seccomp: Remove the need for HAVE_ARCH_TRACEHOOK
  um: Fix ptrace GETREGS/SETREGS bugs
  um: link with -lpthread
  um: Update UBD to use pread/pwrite family of functions
  um: Do not change hard IRQ flags in soft IRQ processing
  um: Prevent IRQ handler reentrancy
  uml: flush stdout before forking
  uml: fix hostfs mknod()
 2016-01-12 13:27:18 -08:00
Linus Torvalds
1baa5efbeb * s390: Support for runtime instrumentation within guests, 
support of 248 VCPUs.
 
 * ARM: rewrite of the arm64 world switch in C, support for
 16-bit VM identifiers.  Performance counter virtualization
 missed the boat.
 
 * x86: Support for more Hyper-V features (synthetic interrupt
 controller), MMU cleanups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "PPC changes will come next week.

   - s390: Support for runtime instrumentation within guests, support of
     248 VCPUs.

   - ARM: rewrite of the arm64 world switch in C, support for 16-bit VM
     identifiers.  Performance counter virtualization missed the boat.

   - x86: Support for more Hyper-V features (synthetic interrupt
     controller), MMU cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (115 commits)
  kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
  kvm/x86: Hyper-V SynIC timers tracepoints
  kvm/x86: Hyper-V SynIC tracepoints
  kvm/x86: Update SynIC timers on guest entry only
  kvm/x86: Skip SynIC vector check for QEMU side
  kvm/x86: Hyper-V fix SynIC timer disabling condition
  kvm/x86: Reorg stimer_expiration() to better control timer restart
  kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
  kvm/x86: Drop stimer_stop() function
  kvm/x86: Hyper-V timers fix incorrect logical operation
  KVM: move architecture-dependent requests to arch/
  KVM: renumber vcpu->request bits
  KVM: document which architecture uses each request bit
  KVM: Remove unused KVM_REQ_KICK to save a bit in vcpu->requests
  kvm: x86: Check kvm_write_guest return value in kvm_write_wall_clock
  KVM: s390: implement the RI support of guest
  kvm/s390: drop unpaired smp_mb
  kvm: x86: fix comment about {mmu,nested_mmu}.gva_to_gpa
  KVM: x86: MMU: Use clear_page() instead of init_shadow_page_table()
  arm/arm64: KVM: Detect vGIC presence at runtime
  ...
 2016-01-12 13:22:12 -08:00
Linus Torvalds
c9bed1cf51 xen: features and fixes for 4.5-rc0 
- Stolen ticks and PV wallclock support for arm/arm64.
 - Add grant copy ioctl to gntdev device.
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Merge tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from David Vrabel:
 "Xen features and fixes for 4.5-rc0:

   - Stolen ticks and PV wallclock support for arm/arm64

   - Add grant copy ioctl to gntdev device"

* tag 'for-linus-4.5-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/gntdev: add ioctl for grant copy
  x86/xen: don't reset vcpu_info on a cancelled suspend
  xen/gntdev: constify mmu_notifier_ops structures
  xen/grant-table: constify gnttab_ops structure
  xen/time: use READ_ONCE
  xen/x86: convert remaining timespec to timespec64 in xen_pvclock_gtod_notify
  xen/x86: support XENPF_settime64
  xen/arm: set the system time in Xen via the XENPF_settime64 hypercall
  xen/arm: introduce xen_read_wallclock
  arm: extend pvclock_wall_clock with sec_hi
  xen: introduce XENPF_settime64
  xen/arm: introduce HYPERVISOR_platform_op on arm and arm64
  xen: rename dom0_op to platform_op
  xen/arm: account for stolen ticks
  arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
  arm: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
  missing include asm/paravirt.h in cputime.c
  xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c
 2016-01-12 13:05:36 -08:00
Linus Torvalds
75777c1855 Merge branch 'for-linux-next' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming 
Pull tiny c6x update from Mark Salter.

* 'for-linux-next' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
  c6x: Use generic clkdev.h header
 2016-01-12 13:00:16 -08:00
Rabin Vincent
06928b3870 net: bpf: reject invalid shifts 
On ARM64, a BUG() is triggered in the eBPF JIT if a filter with a
constant shift that can't be encoded in the immediate field of the
UBFM/SBFM instructions is passed to the JIT.  Since these shifts
amounts, which are negative or >= regsize, are invalid, reject them in
the eBPF verifier and the classic BPF filter checker, for all
architectures.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 15:55:39 -05:00
Linus Torvalds
c3ce79d6a8 Merge branch 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 
Pull component updates from Russell King:
 "Updates for the component helper merged last year.

  This update removes the old add_components method of detecting and
  looking up the components associated with a master device.  Last time
  I checked during the 4.4-rc cycle, there were no users of the old
  interfaces, as has been the case for some time now.  Breakage due to
  conflicting development is possible, in which case this pull will have
  to be reverted - however, these changes have been in linux-next since
  Dec 7th without any problems reported.

  Removal of that then allows us to change the way we track components
  internally, allowing us to release data that has been used for
  matching at the appropriate time, thereby allowing any resource leaks
  caused by that missing functionality to be resolved"

* 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  component: add support for releasing match data
  component: track components via array rather than list
  component: move check for unbound master into try_to_bring_up_masters()
  component: remove old add_components method
 2016-01-12 12:47:23 -08:00
Linus Torvalds
01e9d22638 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 
Pull ARM updates from Russell King:

 - UEFI boot and runtime services support for ARM from Ard Biesheuvel
   and Roy Franz.

 - DT compatibility with old atags booting protocol for Nokia N900
   devices from Ivaylo Dimitrov.

 - PSCI firmware interface using new arm-smc calling convention from
   Jens Wiklander.

 - Runtime patching for udiv/sdiv instructions for ARMv7 CPUs that
   support these instructions from Nicolas Pitre.

 - L2x0 cache updates from Dirk B and Linus Walleij.

 - Randconfig fixes from Arnd Bergmann.

 - ARMv7M (nommu) updates from Ezequiel Garcia

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (34 commits)
  ARM: 8481/2: drivers: psci: replace psci firmware calls
  ARM: 8480/2: arm64: add implementation for arm-smccc
  ARM: 8479/2: add implementation for arm-smccc
  ARM: 8478/2: arm/arm64: add arm-smccc
  ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
  ARM: 8496/1: OMAP: RX51: save ATAGS data in the early boot stage
  ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
  ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
  ARM: 8482/1: l2x0: make it possible to disable outer sync from DT
  ARM: 8488/1: Make IPI_CPU_BACKTRACE a "non-secure" SGI
  ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
  ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
  ARM: 8484/1: Documentation: l2c2x0: Mention separate controllers explicitly
  ARM: 8483/1: Documentation: l2c: Rename l2cc to l2c2x0
  ARM: 8477/1: runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()
  ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check
  ARM: 8453/2: proc-v7.S: don't locate temporary stack space in .text section
  ARM: add UEFI stub support
  ARM: wire up UEFI init and runtime support
  ARM: only consider memblocks with NOMAP cleared for linear mapping
  ...
 2016-01-12 12:39:07 -08:00
Linus Torvalds
541d284be0 arm[64] perf updates for 4.5: 
- Support for the CPU PMU in Cortex-A72
 
 - Add sysfs entries to describe the architected events and their
   mappings for PMUv{1-3}
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Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm[64] perf updates from Will Deacon:
 "In the past, I have funnelled perf updates through the respective
  architecture trees, but now that the arm/arm64 perf driver has been
  largely consolidated under drivers/perf/, it makes more sense to send
  a separate pull, particularly as I'm listed as maintainer for all the
  files involved.  I offered the branch to arm-soc, but Arnd suggested
  that I just send it to you directly.

  So, here is the arm/arm64 perf queue for 4.5.  The main features are
  described below, but the most useful change is from Drew, which
  advertises our architected event mapping in sysfs so that the perf
  tool is a lot more user friendly and no longer requires the use of
  magic hex constants for profiling common events.

   - Support for the CPU PMU in Cortex-A72

   - Add sysfs entries to describe the architected events and their
     mappings for PMUv{1-3}"

* tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: perf: add support for Cortex-A72
  arm64: perf: add format entry to describe event -> config mapping
  ARM: perf: add format entry to describe event -> config mapping
  arm64: kernel: enforce pmuserenr_el0 initialization and restore
  arm64: perf: Correct Cortex-A53/A57 compatible values
  arm64: perf: Add event descriptions
  arm64: perf: Convert event enums to #defines
  arm: perf: Add event descriptions
  arm: perf: Convert event enums to #defines
  drivers/perf: kill armpmu_register
 2016-01-12 12:29:25 -08:00
Linus Torvalds
fa5fd7c628 arm64 updates for 4.5: 
- Support for a separate IRQ stack, although we haven't reduced the size
   of our thread stack just yet since we don't have enough data to
   determine a safe value
 
 - Refactoring of our EFI initialisation and runtime code into
   drivers/firmware/efi/ so that it can be reused by arch/arm/.
 
 - Ftrace improvements when unwinding in the function graph tracer
 
 - Document our silicon errata handling process
 
 - Cache flushing optimisation when mapping executable pages
 
 - Support for hugetlb mappings using the contiguous hint in the pte
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "Here is the core arm64 queue for 4.5.  As you might expect, the
  Christmas break resulted in a number of patches not making the final
  cut, so 4.6 is likely to be larger than usual.  There's still some
  useful stuff here, however, and it's detailed below.

  The EFI changes have been Reviewed-by Matt and the memblock change got
  an "OK" from akpm.

  Summary:

   - Support for a separate IRQ stack, although we haven't reduced the
     size of our thread stack just yet since we don't have enough data
     to determine a safe value

   - Refactoring of our EFI initialisation and runtime code into
     drivers/firmware/efi/ so that it can be reused by arch/arm/.

   - Ftrace improvements when unwinding in the function graph tracer

   - Document our silicon errata handling process

   - Cache flushing optimisation when mapping executable pages

   - Support for hugetlb mappings using the contiguous hint in the pte"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (45 commits)
  arm64: head.S: use memset to clear BSS
  efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
  arm64: entry: remove pointless SPSR mode check
  arm64: mm: move pgd_cache initialisation to pgtable_cache_init
  arm64: module: avoid undefined shift behavior in reloc_data()
  arm64: module: fix relocation of movz instruction with negative immediate
  arm64: traps: address fallout from printk -> pr_* conversion
  arm64: ftrace: fix a stack tracer's output under function graph tracer
  arm64: pass a task parameter to unwind_frame()
  arm64: ftrace: modify a stack frame in a safe way
  arm64: remove irq_count and do_softirq_own_stack()
  arm64: hugetlb: add support for PTE contiguous bit
  arm64: Use PoU cache instr for I/D coherency
  arm64: Defer dcache flush in __cpu_copy_user_page
  arm64: reduce stack use in irq_handler
  arm64: mm: ensure that the zero page is visible to the page table walker
  arm64: Documentation: add list of software workarounds for errata
  arm64: mm: place __cpu_setup in .text
  arm64: cmpxchg: Don't incldue linux/mmdebug.h
  arm64: mm: fold alternatives into .init
  ...
 2016-01-12 12:23:33 -08:00
Linus Torvalds
19e2fc4066 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 
Pull m68knommu update from Greg Ungerer:
 "Only a single change, limiting the return values for coldfire gpio get
  function"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: coldfire/gpio: Be sure to clamp return value
 2016-01-12 10:34:43 -08:00
Linus Torvalds
2945e9f111 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: Provide __phys_to_pfn() and __pfn_to_phys()
  m68k/atari, m68k/sun3: Fix SCSI platform device registration when driver is modular
  m68k/defconfig: Update defconfigs for v4.4-rc1
  m68k/mac: Kill psc_present
 2016-01-12 10:33:51 -08:00
Linus Torvalds
c5c80bd923 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 
Pull MIPS fixes from Ralf Baechle:
 "This is the final pull request for MIPS for 4.4.  It fixes:

   - scripts/ld-version.sh parsing of ld version numbers that contain
     large numbers as components.
   - fix parsing of version numbers as used by Fedora's ld.

  Currently scripts/ld-version.sh is only being used by MIPS"

[ This obviously missed 4.4, so getting merged now in the merge window
  for 4.5 instead ]

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  ld-version: Fix it on Fedora
  Fix ld-version.sh to handle large 3rd version part
 2016-01-12 10:26:03 -08:00
Eric Dumazet
7aaed57c5c phonet: properly unshare skbs in phonet_rcv() 
Ivaylo Dimitrov reported a regression caused by commit 7866a62104
("dev: add per net_device packet type chains").

skb->dev becomes NULL and we crash in __netif_receive_skb_core().

Before above commit, different kind of bugs or corruptions could happen
without major crash.

But the root cause is that phonet_rcv() can queue skb without checking
if skb is shared or not.

Many thanks to Ivaylo Dimitrov for his help, diagnosis and tests.

Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Remi Denis-Courmont <courmisch@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 12:05:38 -05:00
Lars Persson
d461873272 dwc_eth_qos: Fix dma address for multi-fragment skbs 
The offset inside the fragment was not used for the dma address and
silent data corruption resulted because TSO makes the checksum match.

Fixes: 077742dac2 ("dwc_eth_qos: Add support for Synopsys DWC Ethernet QoS")
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 12:03:30 -05:00
Dan Carpenter
47b356e499 phy: remove an unneeded condition 
It used to be that bus->irq was a pointer but after e7f4dc3536
('mdio: Move allocation of interrupts into core') it's an array inside
the mdio struct, so it can never be NULL.  Let's remove the check.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 11:51:58 -05:00
Dan Carpenter
1bc16addc0 mdio: remove an unneed condition 
It used to be that mdio->irq was a pointer but after e7f4dc3536
('mdio: Move allocation of interrupts into core') it's an array inside
the mdio struct so it can never be NULL.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 11:51:57 -05:00
Dan Carpenter
db9107b497 mdio_bus: NULL dereference on allocation error 
If bus = kzalloc() fails then we end up dereferencing bus when we do
"bus->irq[i] = PHY_POLL;".  The code is a little simpler if we reverse
the NULL check and return directly on failure.

Fixes: e7f4dc3536 ('mdio: Move allocation of interrupts into core')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-12 11:49:20 -05:00
Russell King
6660800fb7 Merge branch 'devel-stable' into for-linus 2016-01-12 13:41:03 +00:00
Huaitong Han
45bdbcfdf2 kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL 
vmx_cpuid_tries to update SECONDARY_VM_EXEC_CONTROL in the VMCS, but
it will cause a vmwrite error on older CPUs because the code does not
check for the presence of CPU_BASED_ACTIVATE_SECONDARY_CONTROLS.

This will get rid of the following trace on e.g. Core2 6600:

vmwrite error: reg 401e value 10 (err 12)
Call Trace:
[<ffffffff8116e2b9>] dump_stack+0x40/0x57
[<ffffffffa020b88d>] vmx_cpuid_update+0x5d/0x150 [kvm_intel]
[<ffffffffa01d8fdc>] kvm_vcpu_ioctl_set_cpuid2+0x4c/0x70 [kvm]
[<ffffffffa01b8363>] kvm_arch_vcpu_ioctl+0x903/0xfa0 [kvm]

Fixes: feda805fe7
Cc: stable@vger.kernel.org
Reported-by: Zdenek Kaspar <zkaspar82@gmail.com>
Signed-off-by: Huaitong Han <huaitong.han@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2016-01-12 11:42:16 +01:00
Linus Torvalds
03891f9c85 - The most significant set of changes this cycle is the Forward Error 
Correction (FEC) support that has been added to the DM verity target.
   Google uses DM verity on all Android devices and it is believed that
   this FEC support will enable DM verity to recover from storage
   failures seen since DM verity was first deployed as part of Android.
 
 - A stable fix for a race in the destruction of DM thin pool's workqueue
 
 - A stable fix for hung IO if a DM snapshot copy hit an error
 
 - A few small cleanups in DM core and DM persistent data.
 
 - A couple DM thinp range discard improvements (address atomicity of
   finding a range and the efficiency of discarding a partially mapped
   thin device)
 
 - Add ability to debug DM bufio leaks by recording stack trace when a
   buffer is allocated.  Upon detected leak the recorded stack is dumped.
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Merge tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - The most significant set of changes this cycle is the Forward Error
   Correction (FEC) support that has been added to the DM verity target.

   Google uses DM verity on all Android devices and it is believed that
   this FEC support will enable DM verity to recover from storage
   failures seen since DM verity was first deployed as part of Android.

 - A stable fix for a race in the destruction of DM thin pool's
   workqueue

 - A stable fix for hung IO if a DM snapshot copy hit an error

 - A few small cleanups in DM core and DM persistent data.

 - A couple DM thinp range discard improvements (address atomicity of
   finding a range and the efficiency of discarding a partially mapped
   thin device)

 - Add ability to debug DM bufio leaks by recording stack trace when a
   buffer is allocated.  Upon detected leak the recorded stack is
   dumped.

* tag 'dm-4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm snapshot: fix hung bios when copy error occurs
  dm thin: bump thin and thin-pool target versions
  dm thin: fix race condition when destroying thin pool workqueue
  dm space map metadata: remove unused variable in brb_pop()
  dm verity: add ignore_zero_blocks feature
  dm verity: add support for forward error correction
  dm verity: factor out verity_for_bv_block()
  dm verity: factor out structures and functions useful to separate object
  dm verity: move dm-verity.c to dm-verity-target.c
  dm verity: separate function for parsing opt args
  dm verity: clean up duplicate hashing code
  dm btree: factor out need_insert() helper
  dm bufio: use BUG_ON instead of conditional call to BUG
  dm bufio: store stacktrace in buffers to help find buffer leaks
  dm bufio: return NULL to improve code clarity
  dm block manager: cleanup code that prints stacktrace
  dm: don't save and restore bi_private
  dm thin metadata: make dm_thin_find_mapped_range() atomic
  dm thin metadata: speed up discard of partially mapped volumes
 2016-01-11 22:25:00 -08:00
Linus Torvalds
47c62e4be7 media updates for v4.5-rc1 
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Merge tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 "The part of patches for Kernel 4.5.  There's nothing really big here:

   - driver-specific headers for media devices were moved to separate
     directories, in order to make clear what headers belong to the core
     kABI and require documentation

   - Platform data for media drivers were moved from include/media to
     include/linux/platform_data/media

   - add a driver for cs3308 8-channel volume control, used on some
     high-end capture boards

   - lirc.h kAPI header were added at include/uapi/linux

   - Driver cleanups, new board additions and improvements"

* tag 'media/v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (204 commits)
  [media] rc: sunxi-cir: Initialize the spinlock properly
  [media] rtl2832: do not filter out slave TS null packets
  [media] rtl2832: print reg number on error case
  [media] rtl28xxu: return demod reg page from driver cache
  [media] coda: enable MPEG-2 ES decoding
  [media] coda: don't start streaming without queued buffers
  [media] coda: hook up vidioc_prepare_buf
  [media] coda: relax coda_jpeg_check_buffer for trailing bytes
  [media] coda: make to_coda_video_device static
  [media] s5p-mfc: remove volatile attribute from MFC register addresses
  [media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
  [media] s5p-mfc: use spinlock to protect MFC context
  [media] s5p-mfc: remove unnecessary callbacks
  [media] s5p-mfc: make queue cleanup code common
  [media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
  [media] s5p-mfc: constify s5p_mfc_codec_ops structures
  [media] au8522: Avoid memory leak for device config data
  [media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
  [media] uvcvideo: small cleanup in uvc_video_clock_update()
  [media] uvcvideo: Fix reading the current exposure value of UVC
  ...
 2016-01-11 22:17:44 -08:00
David S. Miller
9d367eddf3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
Conflicts:
	drivers/net/bonding/bond_main.c
	drivers/net/ethernet/mellanox/mlxsw/spectrum.h
	drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c

The bond_main.c and mellanox switch conflicts were cases of
overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-01-11 23:55:43 -05:00
Linus Torvalds
2c487121e3 - LED core improvements: 
- use EXPORT_SYMBOL_GPL consistently,
         - add two new LED_BLINK_ flags,
         - rename brightness_set_sync op to brightness_set_blocking,
         - add led_set_brightness_nosleep{nopm} functions,
         - use set_brightness_work for the blocking op,
         - drivers shouldn't enforce SYNC/ASYNC brightness setting,
         - turn off the LED and wait for completion on unregistering LED
           class device,
         - add managed version of led_trigger_register,
         - add description of brightness setting API to the LED class doc.
 
 - Remove work queues from drivers: leds-tlc591xx, leds-88pm860x, leds-adp5520,
         leds-bd2802, leds-blinkm, leds-lm3533, leds-lm3642, leds-pca9532,
         leds-lp3944, leds-lp55xx, leds-lp8788, leds-lp8860, leds-pca955x,
         leds-pca963x, leds-wm831x, leds-da903x, leds-da9052, leds-dac124d085,
         leds-lt3593, leds-max8997, leds-mc13783, leds-regulator, leds-wm8350,
         leds-max77693, leds-aat1290, leds-ktd2692, leds-gpio, leds-pwm,
         leds-lm355x, leds-ns2.
 
 - Replace brightness_set op with a new brightness_set_blocking op to make the
   drivers compatible with led triggers: leds-ipaq-micro, leds-powernv.
 
 - Add missing of_node_put: leds-ktd2692, leds-aat1290, leds-max77693.
 
 - Make the driver explicitly non-modular: ledtrig-cpu, ledtrig-ide-disk,
         leds-syscon.
 
 - Improvements to leds-bcm6328:
         - reuse bcm6328_led_set() instead of copying its functionality,
         - swap LED ON and OFF definitions,
         - improve blink support,
         - simplify duplicated unlock in bcm6328_blink_set,
         - add little endian support,
         - remove unneded lock when checking initial LED status,
         - add HAS_IOMEM dependency,
         - code cleaning.
 
 - Improvements to leds-bcm6358:
         - use bcm6358_led_set() in order to get rid of the lock,
         - merge bcm6358_led_mode and bcm6358_led_set,
         - add little endian support,
         - remove unneded lock when checking initial LED status,
         - add HAS_IOMEM dependency,
         - remove unneeded busy status check.
 
 - Call led_pwm_set() in leds-pwm to enforce default LED_OFF.
 
 - Fix duration to be msec instead of jiffies: ledtrig-transient.
 
 - Removing NULL check: leds-powernv.
 
 - Use platform_register/unregister_drivers(): leds-sunfire.
 
 - Fix module license specification: ledtrig-oneshot.
 
 - Fix driver description and make license match the header: leds-pwm.
 
 - Remove checking for state < 1 in flash_strobe_store(): led-class-flash.
 
 - Use led_set_brightness_sync for torch brightness: v4l2-flash-led-class
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Merge tag 'leds-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED subsystem updates from Jacek Anaszewski:
 "Besides regular driver updates, we introduce a portion of LED core
  improvements, that allow to avoid the need for using work queues in
  the LED class drivers, that set brightness in a blocking way.

  Affected LED class drivers are being optimized accordingly.

   - LED core improvements:
        - use EXPORT_SYMBOL_GPL consistently,
        - add two new LED_BLINK_ flags,
        - rename brightness_set_sync op to brightness_set_blocking,
        - add led_set_brightness_nosleep{nopm} functions,
        - use set_brightness_work for the blocking op,
        - drivers shouldn't enforce SYNC/ASYNC brightness setting,
        - turn off the LED and wait for completion on unregistering LED
          class device,
        - add managed version of led_trigger_register,
        - add description of brightness setting API to the LED class doc.

   - Remove work queues from drivers: leds-tlc591xx, leds-88pm860x, leds-adp5520,
        leds-bd2802, leds-blinkm, leds-lm3533, leds-lm3642, leds-pca9532,
        leds-lp3944, leds-lp55xx, leds-lp8788, leds-lp8860, leds-pca955x,
        leds-pca963x, leds-wm831x, leds-da903x, leds-da9052, leds-dac124d085,
        leds-lt3593, leds-max8997, leds-mc13783, leds-regulator, leds-wm8350,
        leds-max77693, leds-aat1290, leds-ktd2692, leds-gpio, leds-pwm,
        leds-lm355x, leds-ns2.

   - Replace brightness_set op with a new brightness_set_blocking op to
     make the drivers compatible with led triggers: leds-ipaq-micro,
     leds-powernv.

   - Add missing of_node_put: leds-ktd2692, leds-aat1290, leds-max77693.

   - Make the driver explicitly non-modular: ledtrig-cpu,
     ledtrig-ide-disk, leds-syscon.

   - Improvements to leds-bcm6328:
        - reuse bcm6328_led_set() instead of copying its functionality,
        - swap LED ON and OFF definitions,
        - improve blink support,
        - simplify duplicated unlock in bcm6328_blink_set,
        - add little endian support,
        - remove unneded lock when checking initial LED status,
        - add HAS_IOMEM dependency,
        - code cleaning.

   - Improvements to leds-bcm6358:
        - use bcm6358_led_set() in order to get rid of the lock,
        - merge bcm6358_led_mode and bcm6358_led_set,
        - add little endian support,
        - remove unneded lock when checking initial LED status,
        - add HAS_IOMEM dependency,
        - remove unneeded busy status check.

   - Call led_pwm_set() in leds-pwm to enforce default LED_OFF.

   - Fix duration to be msec instead of jiffies: ledtrig-transient.

   - Removing NULL check: leds-powernv.

   - Use platform_register/unregister_drivers(): leds-sunfire.

   - Fix module license specification: ledtrig-oneshot.

   - Fix driver description and make license match the header: leds-pwm.

   - Remove checking for state < 1 in flash_strobe_store():
     led-class-flash.

   - Use led_set_brightness_sync for torch brightness:
     v4l2-flash-led-class"

* tag 'leds-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (68 commits)
  leds: add HAS_IOMEM dependency to LEDS_BCM6328/LEDS_BCM6358
  leds: core: add managed version of led_trigger_register
  leds: bcm6358: remove unneeded busy status check
  leds: bcm6328: improve blink support
  leds: bcm6358: merge bcm6358_led_mode and bcm6358_led_set
  leds: bcm6328: simplify duplicated unlock in bcm6328_blink_set
  leds: bcm6358: add little endian support
  leds: bcm6328: add little endian support
  leds: bcm6358: remove unneded lock when checking initial LED status
  leds: bcm6358: Use bcm6358_led_set() in order to get rid of the lock
  leds: bcm6328: remove unneded lock when checking initial LED
  leds: bcm6328: code cleaning
  leds: syscon: Make the driver explicitly non-modular
  leds: ledtrig-ide-disk: Make the driver explicitly non-modular
  leds: ledtrig-cpu: Make the driver explicitly non-modular
  leds: sunfire: Use platform_register/unregister_drivers()
  leds: max77693: Add missing of_node_put
  leds: aat1290: Add missing of_node_put
  leds: powernv: Implement brightness_set_blocking op
  leds: ipaq-micro: Implement brightness_set_blocking op
  ...
 2016-01-11 20:40:48 -08:00
Linus Torvalds
d870a9d5e3 * hide EDAC workqueue from users (Borislav Petkov) 
* edac_subsys init/teardown cleanup (Borislav Petkov)
 
 * make mpc85xx-pci-edac a platform device (Scott Wood)
 
 * sb_edac KNL gen2 support (Jim Snow)
 
 * other small cleanups all over the place
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Merge tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - hide EDAC workqueue from users (Borislav Petkov)

 - edac_subsys init/teardown cleanup (Borislav Petkov)

 - make mpc85xx-pci-edac a platform device (Scott Wood)

 - sb_edac KNL gen2 support (Jim Snow)

 - other small cleanups all over the place

* tag 'edac_for_4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, i5100: Use to_delayed_work()
  MAINTAINERS: Fix EDAC repo URLs format
  EDAC, sb_edac: Set fixed DIMM width on Xeon Knights Landing
  EDAC: Rework workqueue handling
  EDAC: Make edac_device workqueue setup/teardown functions static
  EDAC: Remove edac_get_sysfs_subsys() error handling
  EDAC: Unexport and make edac_subsys static
  EDAC: Rip out the edac_subsys reference counting
  EDAC: Robustify workqueues destruction
  EDAC, mc_sysfs: Fix freeing bus' name
  EDAC, mpc85xx: Make mpc85xx-pci-edac a platform device
  EDAC, sb_edac: Add Knights Landing (Xeon Phi gen 2) support
  EDAC, sb_edac: Add support for duplicate device IDs
  EDAC, sb_edac: Virtualize several hard-coded functions
  EDAC, mv64x60: Use platform_register/unregister_drivers()
  EDAC, mpc85xx: Use platform_register/unregister_drivers()
  EDAC: Add DDR4 flag
  EDAC: Remove references to bluesmoke.sourceforge.net
  EDAC, pci: Remove old disabled code
 2016-01-11 20:36:20 -08:00