Commit Graph

518947 Commits

Author SHA1 Message Date
Linus Torvalds
4a152c3913 Power management and ACPI fixes for v4.1-rc2
- Fix for a regression in the cpuidle core introduced by one of
    the recent commits in the clockevents_notify() removal series
    that put a call to a function which had to be executed with
    disabled interrupts into a code path running with enabled
    interrupts (Rafael J Wysocki).
 
  - Fix for a build problem in ACPICA (with GCC 4.5) introduced by one
    of the recent ACPICA tools commits that added a duplicate typedef
    to one of the ACPICA's header files by mistake (Olaf Hering).
 
  - Fix for a regression in the ACPI SBS (Smart Battery Subsystem)
    driver introduced during the 3.18 development cycle causing the
    smart battery manager to be marked as not present when it should
    be marked as present (Chris Bainbridge).
 
 /
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Merge tag 'pm+acpi-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "Three regression fixes this time, one for a recent regression in the
  cpuidle core affecting multiple systems, one for an inadvertently
  added duplicate typedef in ACPICA that breaks compilation with GCC 4.5
  and one for an ACPI Smart Battery Subsystem driver regression
  introduced during the 3.18 cycle (stable-candidate).

  Specifics:

   - Fix for a regression in the cpuidle core introduced by one of the
     recent commits in the clockevents_notify() removal series that put
     a call to a function which had to be executed with disabled
     interrupts into a code path running with enabled interrupts (Rafael
     J Wysocki)

   - Fix for a build problem in ACPICA (with GCC 4.5) introduced by one
     of the recent ACPICA tools commits that added a duplicate typedef
     to one of the ACPICA's header files by mistake (Olaf Hering)

   - Fix for a regression in the ACPI SBS (Smart Battery Subsystem)
     driver introduced during the 3.18 development cycle causing the
     smart battery manager to be marked as not present when it should be
     marked as present (Chris Bainbridge)"

* tag 'pm+acpi-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpuidle: Run tick_broadcast_exit() with disabled interrupts
  ACPI / SBS: Enable battery manager when present
  ACPICA: remove duplicate u8 typedef
2015-04-30 14:23:31 -07:00
Linus Torvalds
5a2e73b281 sound fixes for 4.1-rc2
One nice fix is Peter's patch to make the old good SB Audigy PCI to
 work with 32bit DMA instead of 31bit.  This allows the MIDI synth
 running on modern machines again.  Along with it, a few fixes for
 emu10k1 have merged.
 
 In ASoC side, there is one fix in the common code, but it's just
 trivial additions of static inline functions for CONFIG_PM=n. The rest
 are various device-specific small fixes.
 
 Last but not least, a few HD-audio fixes are included, as usual, too.
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Merge tag 'sound-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "One nice fix is Peter's patch to make the old good SB Audigy PCI to
  work with 32bit DMA instead of 31bit.  This allows the MIDI synth
  running on modern machines again.  Along with it, a few fixes for
  emu10k1 have merged.

  In ASoC side, there is one fix in the common code, but it's just
  trivial additions of static inline functions for CONFIG_PM=n.  The
  rest are various device-specific small fixes.

  Last but not least, a few HD-audio fixes are included, as usual, too"

* tag 'sound-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
  ASoC: rt5677: fixed wrong DMIC ref clock
  ALSA: emu10k1: Emu10k2 32 bit DMA mode
  ALSA: emux: Fix mutex deadlock in OSS emulation
  ASoC: Update email-id of Rajeev Kumar
  ASoC: rt5645: Fix mask for setting RT5645_DMIC_2_DP_GPIO12 bit
  ALSA: hda - Fix missing va_end() call in snd_hda_codec_pcm_new()
  ALSA: emux: Fix mutex deadlock at unloading
  ALSA: emu10k1: Fix card shortname string buffer overflow
  ALSA: hda - Add mute-LED mode control to Thinkpad
  ALSA: hda - Fix mute-LED fixed mode
  ALSA: hda - Fix click noise at start on Dell XPS13
  ASoC: rt5645: Add ACPI match ID
  ASoC: rt5677: add register patch for PLL
  ASoC: Intel: fix the makefile for atom code
  ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
  ASoC: add static inline funcs to fix a compiling issue
  ASoC: Intel: sst_byt: remove kfree for memory allocated with devm_kzalloc
  ASoC: samsung: s3c24xx-i2s: Fix return value check in s3c24xx_iis_dev_probe()
  ASoC: tfa9879: Fix return value check in tfa9879_i2c_probe()
  ASoC: fsl_ssi: Fix platform_get_irq() error handling
  ...
2015-04-30 14:00:18 -07:00
Markus Pargmann
e813bb2b95 net: fec: Fix RGMII-ID mode
RGMII-ID uses an internal delay within the transmitter or receiver. This
feature is phy specific. The rest of the communication is normal RGMII.

So the fec driver has to check for all RGMII modes, not only
'PHY_INTERFACE_MODE_RGMII'.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-30 16:48:53 -04:00
Ido Shamay
07841f9d94 net/mlx4_en: Schedule napi when RX buffers allocation fails
When system is out of memory, refilling of RX buffers fails while
the driver continue to pass the received packets to the kernel stack.
At some point, when all RX buffers deplete, driver may fall into a
sleep, and not recover when memory for new RX buffers is once again
availible. This is because hardware does not have valid descriptors,
so no interrupt will be generated for the driver to return to work
in napi context. Fix it by schedule the napi poll function from
stats_task delayed workqueue, as long as the allocations fail.

Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-30 16:47:50 -04:00
Tony Camuso
c232d8a8bb netxen_nic: use spin_[un]lock_bh around tx_clean_lock
While testing this driver with DEBUG_LOCKDEP and DEBUG_SPINLOCK
enabled did not produce any traces, it would be more prudent in the
case of tx_clean_lock to use spin_[un]lock_bh, since this lock is
manipulated in both the process and softirq contexts.

This patch was tested for functionality and regressions with netperf
and DEBUG_LOCKDEP and DEBUG_SPINLOCK enabled.

Signed-off-by: Tony Camuso <tcamuso@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-30 16:37:29 -04:00
David Ahern
17d5ceb6e4 net/mlx4_core: Fix unaligned accesses
Addresses the following kernel logs seen during boot:

Kernel unaligned access at TPC[100ee150] mlx4_QUERY_HCA+0x80/0x248 [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]

Signed-off-by: David Ahern <david.ahern@oracle.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-30 16:26:30 -04:00
Benjamin Poirier
f94813f3c1 mlx4_en: Use correct loop cursor in error path.
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Fixes: 9e311e7 ("net/mlx4_en: Use affinity hint")
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-30 16:25:14 -04:00
Rafael J. Wysocki
50904a7ddd Merge branches 'acpica', 'acpi-battery' and 'pm-cpuidle' 2015-04-30 21:05:57 +02:00
Takashi Iwai
0ae3aba286 ASoC: Fixes for v4.1
A few fixes for v4.1, none earth shattering and mostly driver related
 except for one change to fix !PM builds for Intel platforms which is
 done by adding stubs in the core so other platforms don't run into the
 same issue.
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Merge tag 'asoc-v4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.1

A few fixes for v4.1, none earth shattering and mostly driver related
except for one change to fix !PM builds for Intel platforms which is
done by adding stubs in the core so other platforms don't run into the
same issue.
2015-04-30 19:08:06 +02:00
Linus Torvalds
9dbbe3cfc3 Remove from guest code the handling of task migration during a
pvclock read; instead use the correct protocol in KVM.
 
 This removes the need for task migration notifiers in core
 scheduler code.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm changes from Paolo Bonzini:
 "Remove from guest code the handling of task migration during a pvclock
  read; instead use the correct protocol in KVM.

  This removes the need for task migration notifiers in core scheduler
  code"

[ The scheduler people really hated the migration notifiers, so this was
  kind of required  - Linus ]

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86: pvclock: Really remove the sched notifier for cross-cpu migrations
  kvm: x86: fix kvmclock update protocol
2015-04-30 09:44:04 -07:00
Linus Torvalds
fb45f493c1 Fix 2 bugs in the request-based DM blk-mq support that was added during
the 4.1 merge.
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Merge tag 'dm-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper bugfixes from Mike Snitzer:
 "Fix two bugs in the request-based DM blk-mq support that was added
  during the 4.1 merge"

* tag 'dm-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: fix free_rq_clone() NULL pointer when requeueing unmapped request
  dm: only initialize the request_queue once
2015-04-30 09:39:52 -07:00
David Howells
9c4249c8e0 modsign: change default key details
Change default key details to be more obviously unspecified.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-30 09:35:41 -07:00
Linus Torvalds
9263a06a58 TTY/Serial fixes for 4.1-rc2
Here are some small tty/serial driver fixes for 4.1-rc2.
 
 They include some minor fixes that resolve reported issues, and a new
 device quirk.
 
 All have been in linux-next succesfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some small tty/serial driver fixes for 4.1-rc2.

  They include some minor fixes that resolve reported issues, and a new
  device quirk.

  All have been in linux-next succesfully"

* tag 'tty-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: 8250_pci: Add support for 16 port Exar boards
  serial: samsung: fix serial console break
  tty/serial: at91: maxburst was missing for dma transfers
  serial: of-serial: Remove device_type = "serial" registration
  serial: xilinx: Use platform_get_irq to get irq description structure
  serial: core: Fix kernel-doc build warnings
  tty: Re-add external interface for tty_set_termios()
2015-04-30 09:30:07 -07:00
Linus Torvalds
dcca8de0aa USB fixes for 4.2-rc1
Here are a number of small USB fixes for 4.2-rc2.  They revert one
 problem patch, fix some minor things, and add some new quirks for
 "broken" devices.
 
 All have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB fixes for 4.2-rc2.  They revert one
  problem patch, fix some minor things, and add some new quirks for
  "broken" devices.

  All have been in linux-next successfully"

* tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  cdc-acm: prevent infinite loop when parsing CDC headers.
  Revert "usb: host: ehci-msm: Use devm_ioremap_resource instead of devm_ioremap"
  usb: chipidea: otg: remove mutex unlock and lock while stop and start role
  uas: Set max_sectors_240 quirk for ASM1053 devices
  uas: Add US_FL_MAX_SECTORS_240 flag
  uas: Allow uas_use_uas_driver to return usb-storage flags
2015-04-30 09:08:53 -07:00
Linus Torvalds
73be174cf5 SH Drivers Updates for v4.1
* Remove test for now unsupported sh7372 SoC
 * Disable PM runtime for multi-platform r8a73a4 and sh73a0 SoCs with genpd
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Merge tag 'renesas-sh-drivers-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas

Pull SH driver updates from Simon Horman:

 - remove test for now unsupported sh7372 SoC

 - disable PM runtime for multi-platform r8a73a4 and sh73a0 SoCs with
   genpd

* tag 'renesas-sh-drivers-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: Remove test for now unsupported sh7372
  drivers: sh: Disable PM runtime for multi-platform r8a73a4 with genpd
  drivers: sh: Disable PM runtime for multi-platform sh73a0 with genpd
2015-04-30 09:07:26 -07:00
Mike Snitzer
aa6df8dd28 dm: fix free_rq_clone() NULL pointer when requeueing unmapped request
Commit 022333427a ("dm: optimize dm_mq_queue_rq to _not_ use kthread if
using pure blk-mq") mistakenly removed free_rq_clone()'s clone->q check
before testing clone->q->mq_ops.  It was an oversight to discontinue
that check for 1 of the 2 use-cases for free_rq_clone():
1) free_rq_clone() called when an unmapped original request is requeued
2) free_rq_clone() called in the request-based IO completion path

The clone->q check made sense for case #1 but not for #2.  However, we
cannot just reinstate the check as it'd mask a serious bug in the IO
completion case #2 -- no in-flight request should have an uninitialized
request_queue (basic block layer refcounting _should_ ensure this).

The NULL pointer seen for case #1 is detailed here:
https://www.redhat.com/archives/dm-devel/2015-April/msg00160.html

Fix this free_rq_clone() NULL pointer by simply checking if the
mapped_device's type is DM_TYPE_MQ_REQUEST_BASED (clone's queue is
blk-mq) rather than checking clone->q->mq_ops.  This avoids the need to
dereference clone->q, but a WARN_ON_ONCE is added to let us know if an
uninitialized clone request is being completed.

Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-04-30 10:25:21 -04:00
Christoph Hellwig
3e6180f0c8 dm: only initialize the request_queue once
Commit bfebd1cdb4 ("dm: add full blk-mq support to request-based DM")
didn't properly account for the need to short-circuit re-initializing
DM's blk-mq request_queue if it was already initialized.

Otherwise, reloading a blk-mq request-based DM table (either manually
or via multipathd) resulted in errors, see:
 https://www.redhat.com/archives/dm-devel/2015-April/msg00132.html

Fix is to only initialize the request_queue on the initial table load
(when the mapped_device type is assigned).

This is better than having dm_init_request_based_blk_mq_queue() return
early if the queue was already initialized because it elevates the
constraint to a more meaningful location in DM core.  As such the
pre-existing early return in dm_init_request_based_queue() can now be
removed.

Fixes: bfebd1cdb4 ("dm: add full blk-mq support to request-based DM")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-04-30 10:25:21 -04:00
Suzuki K. Poulose
8291fd04d8 arm64: perf: Fix the pmu node name in warning message
With commit d5efd9cc9c ("arm64: pmu: add support for interrupt-affinity
property"), we print a warning when we find a PMU SPI with a missing
missing interrupt-affinity property in a pmu node. Unfortunately, we
pass the wrong (NULL) device node to of_node_full_name, resulting in
unhelpful messages such as:

 hw perfevents: Failed to parse <no-node>/interrupt-affinity[0]

This patch fixes the name to that of the pmu node.

Fixes: d5efd9cc9c (arm64: pmu: add support for interrupt-affinity property)
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-04-30 12:11:30 +01:00
Will Deacon
d795ef9aa8 arm64: perf: don't warn about missing interrupt-affinity property for PPIs
PPIs are affine by nature, so the interrupt-affinity property is not
used and therefore we shouldn't print a warning in its absence.

Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-04-30 12:11:23 +01:00
Michael Ellerman
68fc378ce3 Revert "powerpc/tm: Abort syscalls in active transactions"
This reverts commit feba40362b.

Although the principle of this change is good, the implementation has a
few issues.

Firstly we can sometimes fail to abort a syscall because r12 may have
been clobbered by C code if we went down the virtual CPU accounting
path, or if syscall tracing was enabled.

Secondly we have decided that it is safer to abort the syscall even
earlier in the syscall entry path, so that we avoid the syscall tracing
path when we are transactional.

So that we have time to thoroughly test those changes we have decided to
revert this for this merge window and will merge the fixed version in
the next window.

NB. Rather than reverting the selftest we just drop tm-syscall from
TEST_PROGS so that it's not run by default.

Fixes: feba40362b ("powerpc/tm: Abort syscalls in active transactions")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-04-30 15:24:58 +10:00
Dave Airlie
feb589e986 Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 4.1 for radeon all destined for stable:
- fix fallout from the audio rework
- VM fixes
- other assorted bug fixes

* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix userptr return value checking (v2)
  drm/radeon: check new address before removing old one
  drm/radeon: reset BOs address after clearing it.
  drm/radeon: fix lockup when BOs aren't part of the VM on release
  drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
  drm/radeon: adjust pll when audio is not enabled
  drm/radeon: only enable audio streams if the monitor supports it
  drm/radeon: only mark audio as connected if the monitor supports it (v3)
  drm/radeon/audio: don't enable packets until the end
  drm/radeon: drop dce6_dp_enable
  drm/radeon: fix ordering of AVI packet setup
  drm/radeon: Use drm_calloc_ab for CS relocs
2015-04-30 12:15:34 +10:00
Forrest Liu
5d2361db48 Btrfs: btrfs_release_extent_buffer_page didn't free pages of dummy extent
btrfs_release_extent_buffer_page() can't handle dummy extent that
allocated by btrfs_clone_extent_buffer() properly. That is because
reference count of pages that allocated by btrfs_clone_extent_buffer()
was 2, 1 by alloc_page(), and another by attach_extent_buffer_page().

Running following command repeatly can check this memory leak problem

    btrfs inspect-internal inode-resolve 256 /mnt/btrfs

Signed-off-by: Chien-Kuan Yeh <ckya@synology.com>
Signed-off-by: Forrest Liu <forrestl@synology.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-04-29 13:22:09 -07:00
Hariprasad Shenai
7f0b8a56c9 cxgb4: Fix MC1 memory offset calculation
Commit 6559a7e829 ("cxgb4: Cleanup macros so they follow the same
style and look consistent") introduced a regression where reading MC1
memory in adapters where MC0 isn't present or MC0 size is not equal to MC1
size caused the adapter to crash due to incorrect computation of memoffset.
Fix is to read the size of MC0 instead of MC1 for offset calculation

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:50:16 -04:00
Yuval Mintz
12a8541d5c bnx2x: Delay during kdump load
In a kdump environment interfaces might be re-loaded without a proper
unload sequence in the previous running kernel.
bnx2x management FW and driver maintains a `pulse' that notifies the FW
that the driver is still up and running.

Driver load on the kdump kernel should be performed only after the pulse
has been out-of-sync long enough for the management FW to identify that
the driver has crashed, on which point it will perform some necessary
cleanup of the HW.

In today's distros kdump loading is quite fast, sometimes too fast for our
FW to get out-of-sync. This patch delays the bnx2x's probe during kdump
to allow a proper re-load on the kdump kernel.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:49:21 -04:00
Pai
e913fb279c net: Fix Kernel Panic in bonding driver debugfs file: rlb_hash_table
This patch fixes a Kernel Panic in bonding driver debugfs file: rlb_hash_table.

$> modprobe bonding mode=6
$> cat /sys/kernel/debug/bonding/bond0/rlb_hash_table

This will crash the kernel. The struct alb_bond_info is initialized only when
the bonding interface is initialized (ip link set bond0 up) and not at the time
it is allocated. If we try to read the table before that, it'll result in a
kernel panic.

The patch applies against both net and net-next

Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:37:19 -04:00
Guenter Roeck
50d4964f1d net: dsa: Fix scope of eeprom-length property
eeprom-length is a switch property, not a dsa property, and thus
needs to be attached to the switch node, not to the dsa node.

Reported-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 6793abb4e8 ("net: dsa: Add support for switch EEPROM access")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:35:04 -04:00
Punnaiah Choudary Kalluri
d4c216c541 net: macb: Fix race condition in driver when Rx frame is dropped
Under heavy Rx load, observed that the Hw is updating the USED bit
and it is not updating the received frame status to the BD control
field. This could be lack of resources for processing the BDs at high
data rates. Driver drops the frame associated with this BD but not
clearing the USED bit. So, this is causing hang condition as Hw
expects USED bit to be cleared for this BD.

Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:24:46 -04:00
KY Srinivasan
b56fc3c536 hv_netvsc: Fix a bug in netvsc_start_xmit()
Commit b08cc79155 eliminated memory
allocation in the packet send path:

    "hv_netvsc: Eliminate memory allocation in the packet send path

    The network protocol used to communicate with the host is the remote ndis (rndis)
    protocol. We need to decorate each outgoing packet with a rndis header and
    additional rndis state (rndis per-packet state). To manage this state, we
    currently allocate memory in the transmit path. Eliminate this allocation by
    requesting additional head room in the skb."

This commit introduced a bug since it did not account for the case if the skb
was cloned. Fix this bug.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:20:39 -04:00
Vlastimil Setka
48734994ac altera_tse: Correct rx packet length
Altera TSE MAC rx DMA transfer starts with the 2 additional bytes for IP
payload alignment. This patch fixes tse_rx() function loop which reads DMA
rx status and extracts packet length from it. Status signalises a whole DMA
transfer length, which is 2 bytes longer than the packet itself.

Signed-off-by: Vlastimil Setka <setka@vsis.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:19:34 -04:00
Benjamin Poirier
42eab005a5 mlx4: Fix tx ring affinity_mask creation
By default, the number of tx queues is limited by the number of online cpus
in mlx4_en_get_profile(). However, this limit no longer holds after the
ethtool .set_channels method has been called. In that situation, the driver
may access invalid bits of certain cpumask variables when queue_index >=
nr_cpu_ids.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Acked-by: Ido Shamay <idos@mellanox.com>
Fixes: d03a68f ("net/mlx4_en: Configure the XPS queue mapping on driver load")
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:16:57 -04:00
Jon Paul Maloy
0d699f28ee tipc: fix problem with parallel link synchronization mechanism
Currently, we try to accumulate arrived packets in the links's
'deferred' queue during the parallel link syncronization phase.

This entails two problems:

- With an unlucky combination of arriving packets the algorithm
  may go into a lockstep with the out-of-sequence handling function,
  where the synch mechanism is adding a packet to the deferred queue,
  while the out-of-sequence handling is retrieving it again, thus
  ending up in a loop inside the node_lock scope.

- Even if this is avoided, the link will very often send out
  unnecessary protocol messages, in the worst case leading to
  redundant retransmissions.

We fix this by just dropping arriving packets on the upcoming link
during the synchronization phase, thus relying on the retransmission
protocol to resolve the situation once the two links have arrived to
a synchronized state.

Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 15:08:59 -04:00
Nicolas Dichtel
f2f67390a4 tipc: remove wrong use of NLM_F_MULTI
NLM_F_MULTI must be used only when a NLMSG_DONE message is sent. In fact,
it is sent only at the end of a dump.

Libraries like libnl will wait forever for NLMSG_DONE.

Fixes: 35b9dd7607 ("tipc: add bearer get/dump to new netlink api")
Fixes: 7be57fc691 ("tipc: add link get/dump to new netlink api")
Fixes: 46f15c6794 ("tipc: add media get/dump to new netlink api")
CC: Richard Alpe <richard.alpe@ericsson.com>
CC: Jon Maloy <jon.maloy@ericsson.com>
CC: Ying Xue <ying.xue@windriver.com>
CC: tipc-discussion@lists.sourceforge.net
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:59:17 -04:00
Nicolas Dichtel
46c264daaa bridge/nl: remove wrong use of NLM_F_MULTI
NLM_F_MULTI must be used only when a NLMSG_DONE message is sent. In fact,
it is sent only at the end of a dump.

Libraries like libnl will wait forever for NLMSG_DONE.

Fixes: e5a55a8987 ("net: create generic bridge ops")
Fixes: 815cccbf10 ("ixgbe: add setlink, getlink support to ixgbe and ixgbevf")
CC: John Fastabend <john.r.fastabend@intel.com>
CC: Sathya Perla <sathya.perla@emulex.com>
CC: Subbu Seetharaman <subbu.seetharaman@emulex.com>
CC: Ajit Khaparde <ajit.khaparde@emulex.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: intel-wired-lan@lists.osuosl.org
CC: Jiri Pirko <jiri@resnulli.us>
CC: Scott Feldman <sfeldma@gmail.com>
CC: Stephen Hemminger <stephen@networkplumber.org>
CC: bridge@lists.linux-foundation.org
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:59:16 -04:00
Nicolas Dichtel
8219967959 bridge/mdb: remove wrong use of NLM_F_MULTI
NLM_F_MULTI must be used only when a NLMSG_DONE message is sent. In fact,
it is sent only at the end of a dump.

Libraries like libnl will wait forever for NLMSG_DONE.

Fixes: 37a393bc49 ("bridge: notify mdb changes via netlink")
CC: Cong Wang <amwang@redhat.com>
CC: Stephen Hemminger <stephen@networkplumber.org>
CC: bridge@lists.linux-foundation.org
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:59:16 -04:00
Florian Westphal
2b70fe5aba net: sched: act_connmark: don't zap skb->nfct
This action is meant to be passive, i.e. we should not alter
skb->nfct: If nfct is present just leave it alone.

Compile tested only.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:56:40 -04:00
Antonio Ospite
165996bd35 trivial: net: systemport: bcmsysport.h: fix 0x0x prefix
Fix the 0x0x prefix in an integer constant.

In this case, while at it, also fix a typo (s/unitcast/unicast/).

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:56:39 -04:00
Antonio Ospite
18fe369a5a trivial: net: atl1e: atl1e_hw.h: fix 0x0x prefix
Fix the 0x0x prefix in an integer constant.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Jay Cliburn <jcliburn@gmail.com>
Cc: Chris Snook <chris.snook@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:56:39 -04:00
David S. Miller
ad93e1d7b9 Merge branch 'bnx2x'
Michal Schmidt says:

====================
bnx2x: minor cleanups related to TPA bits

I noticed some simplification possibilities while looking into the bug
fixed by "bnx2x: really disable TPA if 'disable_tpa' is set'.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:48:36 -04:00
Michal Schmidt
f8dcb5e336 bnx2x: remove {TPA,GRO}_ENABLE_FLAG
These flags are redundant with dev->features. Remove them.
Just make sure to set dev->features ourselves in bnx2x_set_features()
before performing the reload of the card.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:48:36 -04:00
Michal Schmidt
7e6b4d440b bnx2x: merge fp->disable_tpa with fp->mode
It is simpler to have the TPA mode as one three-state variable.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:48:35 -04:00
Michal Schmidt
d9b9e860ce bnx2x: mark LRO as a fixed disabled feature if disable_tpa is set
If disable_tpa is set, remove NETIF_F_LRO from hw_features, so ethtool sees
it as "off [fixed]".

Note that setting the NETIF_F_LRO bit in dev->features in the 'else'
branch is not needed, because the bit was already set by
bnx2x_init_dev().

Then the check for disable_tpa in in bnx2x_fix_features() becomes unnecessary.

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:48:35 -04:00
Simon Xiao
3f300ff41d hv_netvsc: introduce netif-msg into netvsc module
1. Introduce netif-msg to netvsc to control debug logging output
and keep msg_enable in netvsc_device_context so that it is
kept persistently.
2. Only call dump_rndis_message() when NETIF_MSG_RX_ERR or above
is specified in netvsc module debug param.
In non-debug mode, in current code, dump_rndis_message() will not
dump anything but it still initialize some local variables and
process the switch logic which is unnecessary, especially in
high network throughput situation.

Signed-off-by: Simon Xiao <sixiao@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:45:17 -04:00
Herbert Xu
cb6ccf09d6 route: Use ipv4_mtu instead of raw rt_pmtu
The commit 3cdaa5be9e ("ipv4: Don't
increase PMTU with Datagram Too Big message") broke PMTU in cases
where the rt_pmtu value has expired but is smaller than the new
PMTU value.

This obsolete rt_pmtu then prevents the new PMTU value from being
installed.

Fixes: 3cdaa5be9e ("ipv4: Don't increase PMTU with Datagram Too Big message")
Reported-by: Gerd v. Egidy <gerd.von.egidy@intra2net.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-29 14:43:22 -04:00
Dean Nelson
2cff98b99c arm64: add missing PAGE_ALIGN() to __dma_free()
__dma_alloc() does a PAGE_ALIGN() on the passed in size argument before
doing anything else. __dma_free() does not. And because it doesn't, it is
possible to leak memory should size not be an integer multiple of PAGE_SIZE.

The solution is to add a PAGE_ALIGN() to __dma_free() like is done in
__dma_alloc().

Additionally, this patch removes a redundant PAGE_ALIGN() from
__dma_alloc_coherent(), since __dma_alloc_coherent() can only be called
from __dma_alloc(), which already does a PAGE_ALIGN() before the call.

Cc: stable@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-04-29 17:39:39 +01:00
Rafael J. Wysocki
df8d9eeadd cpuidle: Run tick_broadcast_exit() with disabled interrupts
Commit 335f49196f (sched/idle: Use explicit broadcast oneshot
control function) replaced clockevents_notify() invocations in
cpuidle_idle_call() with direct calls to tick_broadcast_enter()
and tick_broadcast_exit(), but it overlooked the fact that
interrupts were already enabled before calling the latter which
led to functional breakage on systems using idle states with the
CPUIDLE_FLAG_TIMER_STOP flag set.

Fix that by moving the invocations of tick_broadcast_enter()
and tick_broadcast_exit() down into cpuidle_enter_state() where
interrupts are still disabled when tick_broadcast_exit() is
called.  Also ensure that interrupts will be disabled before
running tick_broadcast_exit() even if they have been enabled by
the idle state's ->enter callback.  Trigger a WARN_ON_ONCE() in
that case, as we generally don't want that to happen for states
with CPUIDLE_FLAG_TIMER_STOP set.

Fixes: 335f49196f (sched/idle: Use explicit broadcast oneshot control function)
Reported-and-tested-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reported-and-tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-29 15:19:21 +02:00
Mark Brown
d839c98f98 Merge remote-tracking branches 'asoc/fix/rt5677', 'asoc/fix/samsung' and 'asoc/fix/tfa9879' into asoc-linus 2015-04-29 13:37:31 +01:00
Mark Brown
a78001b013 Merge remote-tracking branches 'asoc/fix/email', 'asoc/fix/fsl-ssi', 'asoc/fix/pm', 'asoc/fix/qcom' and 'asoc/fix/rcar' into asoc-linus 2015-04-29 13:37:28 +01:00
Mark Brown
1ce286b9c9 Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-linus 2015-04-29 13:37:27 +01:00
Mark Brown
49422ad37d Merge remote-tracking branch 'asoc/fix/intel' into asoc-linus 2015-04-29 13:37:27 +01:00
Mark Brown
449f1ca625 Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linus 2015-04-29 13:37:26 +01:00