Commit graph

428183 commits

Author SHA1 Message Date
Linus Torvalds 0414855fdc Linux 3.14-rc5 2014-03-02 18:56:16 -08:00
Gerry Demaret 635d61a373 USB AX88179/178A: Support D-Link DUB-1312
Add the USB device ID for the D-Link DUB-1312 USB 3.0 to Gigabit Ethernet
Adapter to the AX88179/178A driver.

Signed-off-by: Gerry Demaret <gerry@tigron.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:29:30 -05:00
David S. Miller a811f2c038 Merge branch 'mlx4'
Amir Vadai says:

====================
net/mlx4: Mellanox driver update 27-02-2014

This patchset contains some fixes for small trivial bugs, and
compilation/syntactic parsers warnings

Patchset was applied and tested over commit 750f679 "Merge branch '6lowpan'"

Changes from V1:
-patch 5/9:  Replace mlx4_en_mac_to_u64() with mlx4_mac_to_u64()
  - Remove unnecessary define of ETH_ALEN

Changes from V0:
-patch 3/9:  net/mlx4_en: Pad ethernet packets smaller than 17 bytes
  - Make condition more efficient
  - Didn't use canonical function to pad buffer since using bounce buffer
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:05 -05:00
Eyal Perry 9717218bb2 net/mlx4_en: Change Connect-X description in kconfig
The mlx4_en driver support also 1Gbit and 40Gbit Ethernet devices,
changed the driver description in the menuconfig to reflect that.

Signed-off-by: Eyal Perry <eyalpe@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Amir Vadai ec5709403e net/mlx4_en: Use union for BlueFlame WQE
When BlueFlame is turned on, control segment of the TX WQE is changed,
and the second line of it is used for QPN.
Changed code to use a union in the mlx4_wqe_ctrl_seg instead of casting.
This makes the code clearer and solves the static checker warning:

drivers/net/ethernet/mellanox/mlx4/en_tx.c:839 mlx4_en_xmit()
	warn: potential memory corrupting cast 4 vs 2 bytes

CC: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Eyal Perry 28d222bbaa net/mlx4_core: Fix sparse warning
This patch force conversion to u32 to fix the following sparse warning:
drivers/net/ethernet/mellanox/mlx4/fw.c:1822:53: warning: restricted __be32
degrades to integer

Casting to u32 is safe here, because token will be returned as is
from the hardware without any modification.

Signed-off-by: Eyal Perry <eyalpe@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Amir Vadai 313c2d375b net/mlx4_en: Fix selftest failing on non 10G link speed
Connect-X devices selftest speed test shouldn't fail on 1G and 40G link
speeds.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Eugenia Emantayev 9813337a4b net/mlx4: Replace mlx4_en_mac_to_u64() with mlx4_mac_to_u64()
Currently, the EN driver uses a private static function
mlx4_en_mac_to_u64(). Move it to a common include file (driver.h)
for mlx4_en and mlx4_ib for further use.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Eugenia Emantayev 15bffdffcc net/mlx4_en: Move queue stopped/waked counters to be per ring
Give accurate counters and avoids cache misses when several rings
update the counters of stop/wake queue.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:01 -05:00
Eugenia Emantayev 93591aaa62 net/mlx4_en: Pad ethernet packets smaller than 17 bytes
Hardware can't accept packets smaller than 17 bytes. Therefore need to
pad with zeros.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:00 -05:00
Eugenia Emantayev b97b33a3df net/mlx4_en: Verify mlx4_en module parameters
Verify mlx4_en module parameters.
In case they are out of range - reset to default values.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:00 -05:00
Amir Vadai fd8daa45f2 net/mlx4_en: Fix UP limit in ieee_ets->prio_tc
User priority limit has to be less than MLX4_EN_NUM_UP.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 20:04:00 -05:00
David S. Miller 80cbfd3695 Merge branch '6lowpan'
Alexander Aring says:

====================
6lowpan: fix issues with byte ordering types

I got some mail from a "kbuild test robot" and it detected some byte
ordering issues with the tag and datagram size value of 6LoWPAN IEEE
802.15.4 fragmentation header.

This patch series should fix the issues with the byte ordering.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:20:45 -05:00
Alexander Aring b6f82fc05d 6lowpan: use memcpy to set tag value in fraghdr
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:19:44 -05:00
Alexander Aring 0234a63248 6lowpan: remove initialization of tag value
The initialization of the tag value doesn't matter at begin of
fragmentation. This patch removes the initialization to zero.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:19:44 -05:00
Alexander Aring 4c7f778e56 6lowpan: fix type of datagram size parameter
Datagram size value is u16 because we convert it to host byte order
and we need to read it. Only the tag value belongs to __be16 type.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:19:44 -05:00
David S. Miller 1bc693e18a Merge branch 'intel-next'
Aaron Brown says:

====================
Mark updates ixgbe for LER / adapter removal.  He restores the HW
address in the recovery path so the device is not perpetually removed,
fixes up some removed state ethtool results and adds checks related to
config space access.

Jacob adds support for the new SIOCGHWTSTAMP ioctl.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:49 -05:00
Jacob Keller 93501d48b8 ixgbe: implement SIOCGHWTSTAMP ioctl
This patch adds support for the new SIOCGHWTSTAMP ioctl, which enables a
process to determine the current timestamp configuration. In order to
implement this, store a copy of the timestamp configuration. In
addition, we can remove the 'int cmd' parameter as the new set_ts_config
function doesn't use it. I also fixed a typo in the function
description.

-v2
* Only save the settings after validating them

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:44 -05:00
Mark Rustad 144384649d ixgbe: Check config reads for removal
Configuration space reads should also be checked for removal. So
add some checks related to config space accesses.

v2:
* Fixed indent

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Mark Rustad 0edd2bdf63 ixgbe: Fix up some ethtool results when adapter is removed
Some ethtool tests returned apparently good results when the
adapter was in a removed state. Fix that by checking for removal.
This also fixes two paths that could return uninitialized memory
in data[4].

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Mark Rustad 0391bbe3e4 ixgbe: Restore hw_addr in LER recovery paths
The hw_addr needs to be restored in the pcie recovery path or
else the device will be perpetually removed. Also restore the
value in the resume path.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Hauke Mehrtens 1d3f41ea0e b44: always set duplex mode why phy changes
Without this patch b44_check_phy() was called when the phy called the
adjust callback. This method only change the mac duplex mode when the
carrier was off. When the phy changed the duplex mode after the carrier
was on the mac was not changed. This happened when an external phy was
used.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:05:25 -05:00
Hauke Mehrtens 25d54fe565 b44: add calls to phy_{start,stop}
When support for external phys was added to b44, the calls to start and
stop the phy were missing in the mac driver. This adds the calls to
phy_start() and phy_stop().

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:05:25 -05:00
Linus Torvalds c59224d132 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx
  and tegra fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
  MAINTAINERS: update drm git tree entry
  MAINTAINERS: add entry for drm radeon driver
  drm/tegra: Add guard to avoid double disable/enable of RGB outputs
  gpu: host1x: do not check previously handled gathers
  drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
2014-03-02 15:25:45 -08:00
Linus Torvalds a53c8ceb01 USB fixes for 3.14-rc5
Here are 2 USB patches for 3.14-rc5, one a new device id, and the other
 fixes a reported problem with threaded irqs and the USB EHCI driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are 2 USB patches for 3.14-rc5, one a new device id, and the
  other fixes a reported problem with threaded irqs and the USB EHCI
  driver"

* tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: ehci: fix deadlock when threadirqs option is used
  USB: ftdi_sio: add Cressi Leonardo PID
2014-03-02 15:15:07 -08:00
Linus Torvalds 3751c97036 Driver core fix for 3.14-rc5
Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
 with the namespace code in sysfs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull sysfs fix from Greg KH:
 "Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
  with the namespace code in sysfs"

* tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: fix namespace refcnt leak
2014-03-02 15:13:41 -08:00
Linus Torvalds 9ff7aeb624 Staging tree fixes for 3.14-rc5
Here are a few IIO fixes, and a new device id for a staging driver for
 3.14-rc5.  All have been in linux-next for a while, I did a final merge
 to get the IIO fixes into this tree, they were incorrectly in the
 char-misc tree for a few weeks, and I forgot to tell you to pull them
 from there.  This makes it a single pull request for you.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging tree fixes from Greg KH:
 "Here are a few IIO fixes, and a new device id for a staging driver for
  3.14-rc5.  All have been in linux-next for a while, I did a final
  merge to get the IIO fixes into this tree, they were incorrectly in
  the char-misc tree for a few weeks, and I forgot to tell you to pull
  them from there.  This makes it a single pull request for you"

* tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8188eu: Add new device ID
  staging:iio:adc:MXS:LRADC: fix touchscreen statemachine
  iio:gyro: bug on L3GD20H gyroscope support
  iio: cm32181: Change cm32181 ambient light sensor driver
  iio: cm36651: Fix read/write integration time function.
2014-03-02 15:12:54 -08:00
Dave Airlie d668ca1cc6 Merge branch 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
more radeon fixes

* 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
2014-03-03 09:04:41 +10:00
Greg Kroah-Hartman 9f4a9b83f1 Merge iio fixes into staging-linus
These I forgot about before, but need to get into 3.14-final.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-02 14:04:01 -08:00
Veaceslav Falico 285727600f bonding: send arp requests even if there's no route to them
Currently we're only sending arp requests if we have a route to the target
(and, thus, can find out the source ip address).

There are some use cases, however, where we don't want/need to set an ip
address (or set up a specific route) for bonding to use arp monitoring *for
traffic generation*. We can easily send arp probes (arp requests with src
ip == 0) to generate arp broadcast responses from the target ip and use
them for determining if the target is up.

This, obviously, won't work with arp validation - because we don't have the
ip address set and, thus, will filter out the responses. So in that case -
print a warning.

CC: François CACHEREUL <f.cachereul@alphalink.fr>
CC: Zhenjie Chen <zhchen@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 14:54:10 -05:00
Linus Torvalds 3154da34be Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc fixes, most of them on the tooling side"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Fix strict alias issue for find_first_bit
  perf tools: fix BFD detection on opensuse
  perf: Fix hotplug splat
  perf/x86: Fix event scheduling
  perf symbols: Destroy unused symsrcs
  perf annotate: Check availability of annotate when processing samples
2014-03-02 11:37:07 -06:00
Dave Airlie 49e893b597 Merge tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux into drm-fixes
A couple of minor fixes.

Pull request of 2014-03-02

* tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
2014-03-02 20:54:31 +10:00
Alexey Khoroshilov 6950e23e54 drm/vmwgfx: avoid null pointer dereference at failure paths
vmw_takedown_otable_base() and vmw_mob_unbind() check for
potential vmw_fifo_reserve() failure and print error message,
but then immediately dereference NULL pointer.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
2014-03-02 09:49:59 +01:00
Thomas Hellstrom a34417f6be drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
Backing mob contents is propagated to user-space, so make sure backing
mobs are cleared when allocated. This also accidently fix rendering errors
with celestia when emulating legacy mode.

Also update driver date.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:43:40 +01:00
Thomas Hellstrom ae2045694b drm/vmwgfx: Remove some unused surface formats
These formats are deprecated.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:42:53 +01:00
Linus Torvalds 55de1ed2f5 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "The VMCOREINFO patch I'll pushing for this release to avoid having a
  release with kASLR and but without that information.

  I was hoping to include the FPU patches from Suresh, but ran into a
  problem (see other thread); will try to make them happen next week"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kaslr: add missed "static" declarations
  x86, kaslr: export offset in VMCOREINFO ELF notes
2014-03-01 22:48:14 -06:00
Linus Torvalds 702256e604 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "The bulk of the series are bugfixes for qla2xxx target NPIV support
  that went in for v3.14-rc1.  Also included are a few DIF related
  fixes, a qla2xxx fix (Cc'ed to stable) from Greg W., and vhost/scsi
  protocol version related fix from Venkatesh.

  Also just a heads up that a series to address a number of issues with
  iser-target active I/O reset/shutdown is still being tested, and will
  be included in a separate -rc6 PULL request"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  vhost/scsi: Check LUN structure byte 0 is set to 1, per spec
  qla2xxx: Fix kernel panic on selective retransmission request
  Target/sbc: Don't use sg as iterator in sbc_verify_read
  target: Add DIF sense codes in transport_generic_request_failure
  target/sbc: Fix sbc_dif_copy_prot addr offset bug
  tcm_qla2xxx: Fix NAA formatted name for NPIV WWPNs
  tcm_qla2xxx: Perform configfs depend/undepend for base_tpg
  tcm_qla2xxx: Add NPIV specific enable/disable attribute logic
  qla2xxx: Check + fail when npiv_vports_inuse exists in shutdown
  qla2xxx: Fix qlt_lport_register base_vha callback race
2014-03-01 21:33:09 -06:00
Linus Torvalds 3750c14022 Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dma fixes from Vinod Koul:
 "This request brings you two small fixes.  First one for fixing
  dereference of freed descriptor and second for fixing sdma bindings
  for it to work for imx25.

  I was planning to send this about 10days ago but then I had to proceed
  on my paternity leave and didnt get chance to send this.  Now got a
  bit of time from dady duties :)"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dma: sdma: Add imx25 compatible
  dma: ste_dma40: don't dereference free:d descriptor
2014-03-01 21:30:43 -06:00
Linus Torvalds 751a03c372 ACPI and power management fixes for 3.14-rc5
- One of the recent intel_pstate driver fixes introduced a rounding
    error that on some systems causes the frequency to be stuck at the
    lowest level forever.  Fix from Dirk Brandewie.
 
  - The firmware_class driver's PM notifier doesn't handle the
    PM_RESTORE_PREPARE event during hibernation image restore and that
    leads to a deadlock on umhelper_sem in __usermodehelper_disable().
    Fix from Sebastian Capella.
 
  - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
    nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
    among other things.  Fix from Lan Tianyu.
 
 /
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Merge tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These three commits fix a recent intel_pstate regression and two old
  bugs that should be fixed in -stable too, one in the ACPI processor
  driver and one in the firmare loader.

  Specifics:

   - One of the recent intel_pstate driver fixes introduced a rounding
     error that on some systems causes the frequency to be stuck at the
     lowest level forever.  Fix from Dirk Brandewie.

   - The firmware_class driver's PM notifier doesn't handle the
     PM_RESTORE_PREPARE event during hibernation image restore and that
     leads to a deadlock on umhelper_sem in __usermodehelper_disable().
     Fix from Sebastian Capella.

   - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
     nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
     among other things.  Fix from Lan Tianyu"

* tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / processor: Rework processor throttling with work_on_cpu()
  PM / hibernate: Fix restore hang in freeze_processes()
  intel_pstate: Change busy calculation to use fixed point math.
2014-03-01 21:28:38 -06:00
Ingo Molnar af76815a31 perf/urgent build fixes:
. Problem on recent gcc on x86-32 related to strict alias issue for
   find_first_bit (Jiri Olsa).
 
 . OpenSuSE: BFD detection problems related to not explicitely listing all
   required libraries (Andi Kleen)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent build fixes for certain distro environments, from Arnaldo Carvalho de Melo:

  * Problem on recent gcc on x86-32 related to strict alias issue for
    find_first_bit (Jiri Olsa).

  * OpenSuSE: BFD detection problems related to not explicitely listing all
    required libraries (Andi Kleen)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-03-01 10:13:25 +01:00
Greg Kroah-Hartman d3dae4ad18 Fourth set of IIO fixes for the 3.14 kernel.
A single line patch fixing a regression that was introduced in 3.13 in the
 reworking of the mxs touch screen and ADC drivers to be interrupt rather
 than polling driven.  It resulted in a stray double reporting of the release
 coordinate in the touch screen driver.  The bug lay in the adc side
 of the driver which left the statemachine in the wrong state.
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Merge tag 'fixes-for-3.14d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

Fourth set of IIO fixes for the 3.14 kernel.

A single line patch fixing a regression that was introduced in 3.13 in the
reworking of the mxs touch screen and ADC drivers to be interrupt rather
than polling driven.  It resulted in a stray double reporting of the release
coordinate in the touch screen driver.  The bug lay in the adc side
of the driver which left the statemachine in the wrong state.
2014-02-28 17:08:03 -08:00
Russell King 8427defd08 MAINTAINERS: add maintainer entry for Armada DRM driver
Add a maintainers entry for the Armada DRM driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-28 16:57:40 -06:00
Ivan Vecera 877767dccf bna: fix vlan tag stripping and implement its toggling
The recent commit "fe1624c bna: RX Filter Enhancements" disables
VLAN tag stripping if the NIC is in promiscuous mode. This causes
__vlan_hwaccel_put_tag() is called when the stripping is disabled.
Because of this VLAN over bna does not work and causes BUGs in conjunction
with openvswitch like this:
Reviewed-by: Jiri Pirko <jiri@resnulli.us>

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:17:38 -05:00
Michael Chan d7b95315cc tg3: Don't check undefined error bits in RXBD
Redefine the RXD_ERR_MASK to include only relevant error bits. This fixes
a customer reported issue of randomly dropping packets on the 5719.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:16:16 -05:00
David S. Miller 750f679cfc Merge branch '6lowpan'
Alexander Aring says:

====================
6lowpan: reimplementation of fragmentation handling

this patch series reimplementation the fragmentation handling of 6lowpan
accroding to rfc4944 [1].

The first big note is, that the current fragmentation behaviour isn't rfc
complaint. The main issue is a wrong datagram_size value which needs to be:
datagram_size = ipv6_payload + ipv6 header + (maybe compressed transport header,
                currently only udp is supported)

but the current datagram_size value is calculated as:
datagram_size = ipv6_payload

Fragmentation work in a linux<->linux communication only.

Why reimplementation?

I reimplemted the reassembly side only. The current behaviour is to allocate a
skb with the reassembled size and hold all fragments in a list, protected by a
spinlock. After we received all fragments (detected by the sum of all fragments,
it begins to place all fragments into the allocated skb).

This reassembly implementation has some race condition. Additional I make it more
rfc complaint. The current implementation match on the tag value inside the frag
header only, but rfc4944 says we need to match on dst addr(mac), src addr(mac),
tag value, datagram_size value. [2]

The new reassembly handling use the inet_frag api (I mean the callback interface
of ipv6 and ipv4 reassembly). I looked into ipv6 and wanted to see how ipv6 is
dealing with reassembly, so I based my code on this implementation.

On the sending side to generate the fragments I improved the current code to use
the nearest 8 divided payload. (We can do that, because the mac layer has a
dynamic size, so it depends on mac_header how big we can do the payload).

Of course I fix also the reassembly/sending side to be rfc complaint now.

Regards
Alexander Aring

[1] http://tools.ietf.org/html/rfc4944
[2] http://tools.ietf.org/html/rfc4944#section-5.3

changes since v2:
 - rework checkpatch code style issue patch.
   Merge two pr_debugs into one pr_debug.

changes since v3:
 - rename 6lowpan.ko to 6lowpan_rtnl.c in commit msg of patch 5/8.

changes since v4:
 - Add a new patch 2/8 to introduce lowpan_uncompress_size function. Also
   improving this function a little bit.
 - Add a new patch 4/8 to change tag value to __be16.
 - use skb_header_reset function on FRAG1 only, which should have the
   lowpan header. See lowpan_get_frag_info function. (slightly improving
   of fragmentation header parsing).
 - changes types of variables to u16 in lowpan_skb_fragmentation.
 - use lowpan_uncompress_size instead of storing necessary information
   in skb control block, this can be destroyed after dev_queue_xmit call.
   Thanks David for this hint.
 - remove Tested-by: Martin Townsend <martin.townsend@xsilon.com>, because
   too many funcionality change.

changes since v5:
 - handle lowpan_addr_mode_size with lookup table.

changes since v6:
 - remove unnecessary parameter in lowpan_frag_queue.
 - fix commit message in patch 8/8 which included a describtion of adding the
   lownpan_uncompress_size function. This was splitted in a seperate patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:32 -05:00
Alexander Aring 7240cdec60 6lowpan: handling 6lowpan fragmentation via inet_frag api
This patch drops the current way of 6lowpan fragmentation on receiving
side and replace it with a implementation which use the inet_frag api.
The old fragmentation handling has some race conditions and isn't
rfc4944 compatible. Also adding support to match fragments on
destination address, source address, tag value and datagram_size
which is missing in the current implementation.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring 633fc86ff6 net: ns: add ieee802154_6lowpan namespace
This patch adds necessary ieee802154 6lowpan namespace to provide the
inet_frag information. This is a initial support for handling 6lowpan
fragmentation with the inet_frag api.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring d57fec84fb 6lowpan: fix some checkpatch issues
Detected with:

./scripts/checkpatch.pl --strict -f net/ieee802154/6lowpan_rtnl.c

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring 01348b3448 6lowpan: move 6lowpan.c to 6lowpan_rtnl.c
We have a 6lowpan.c file and 6lowpan.ko file. To avoid confusing we
should move 6lowpan.c to 6lowpan_rtnl.c. Then we can support multiple
source files for 6lowpan module.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Alexander Aring 02600d0de6 6lowpan: change tag type to __be16
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00