234732 Commits

Author SHA1 Message Date
Linus Torvalds
68ffeca4f4 Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
Pull EDAC updates from Mauro Carvalho Chehab.

* 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
  sb_edac: add support for Haswell based systems
  sb_edac: Fix mix tab/spaces alignments
  edac: add DDR4 and RDDR4
  sb_edac: remove bogus assumption on mc ordering
  sb_edac: make minimal use of channel_mask
  sb_edac: fix socket detection on Ivy Bridge controllers
  sb_edac: update Kconfig description
  sb_edac: search devices using product id
  sb_edac: make RIR limit retrieval per model
  sb_edac: make node id retrieval per model
  sb_edac: make memory type detection per memory controller
2014-08-15 17:56:45 -06:00
Len Brown
a138b56800 intel_idle: Broadwell support
Broadwell (BDW) is similar to Haswell (HSW), the preceding processor generation.

Currently, the only difference in their C-state tables is that PC3 max exit latency
is 33usec on HSW and 40usec on BDW.

Signed-off-by: Len Brown <len.brown@intel.com>
2014-08-15 17:06:40 -04:00
Len Brown
8c058d53f6 intel_idle: Disable Baytrail Core and Module C6 auto-demotion
Power efficiency improves on Baytrail (Intel Atom Processor E3000)
when Linux disables C6 auto-demotion.

Based on work by Srinidhi Kasagar <srinidhi.kasagar@intel.com>.

Signed-off-by: Len Brown <len.brown@intel.com>
Cc: x86@kernel.org
2014-08-15 17:06:14 -04:00
Juergen Gross
f6105c0808 [SCSI] save command pool address of Scsi_Host
If a scsi host driver specifies .cmd_len in it's scsi_host_template, a driver's
private command pool is needed. scsi_find_host_cmd_pool() will locate it, but
scsi_alloc_host_cmd_pool() isn't saving the pool address in the host template.

This will result in an access error when the host is removed.

Avoid the problem by saving the address of a new allocated command pool where
it is expected.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: 89d9a567952baec13e26ada3e438f1b642d66b6e
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-08-15 12:46:46 -07:00
Guenter Roeck
045065d8a3 [SCSI] fix qemu boot hang problem
The latest kernel fails to boot qemu arm images when using scsi
for disk access. Boot gets stuck after the following messages.

brd: module loaded
sym53c8xx 0000:00:0c.0: enabling device (0100 -> 0103)
sym0: <895a> rev 0x0 at pci 0000:00:0c.0 irq 93
sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
sym0: SCSI BUS has been reset.
scsi host0: sym-2.2.3

Bisect points to commit 71e75c97f97a ("scsi: convert device_busy to
atomic_t"). Code inspection shows the following suspicious change
in scsi_request_fn.

out_delay:
-       if (sdev->device_busy == 0 && !scsi_device_blocked(sdev))
+       if (atomic_read(&sdev->device_busy) && !scsi_device_blocked(sdev))
		blk_delay_queue(q, SCSI_QUEUE_DELAY);
	}

'sdev->device_busy == 0' was replaced with 'atomic_read(&sdev->device_busy)',
meaning the logic was reversed. Changing this expression to
'!atomic_read(&sdev->device_busy)' fixes the problem.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: 71e75c97f97a
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-08-15 12:46:07 -07:00
Jesse Brandeburg
db6d2bee79 i40e: fix PTP bug
The receive hang detection routine was never being run when
PTP was enabled.

Change-ID: I200f35b0f3190d31b595df89d678f4c8a2131ba0
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-08-15 04:00:39 -07:00
Anjali Singhai Jain
6e7b5bd32c i40e: Fix a few potential VF dereferences
In some functions we might be doing potential dereference
without a check. This patch puts the check in place for all these
functions. Also fix the "for loops" so that we increment VF at the
right place so that we always do it even if we are short-circuiting
the loop through continue.

Change-ID: Id4276cfb1e841031bb7b6d6790c414242f364a9f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-08-15 03:50:37 -07:00
Anjali Singhai Jain
478c9e7420 i40e: Fix for recent kernel panic
Whenever we get a Tx hang we issue a PFR, which means we send AQ
messages to VFS about the reset coming. Unfortunately with the recent
fix to be able to send messages to all VFS which earlier was not
happening at all we now are sending messages to not just the VFS that
are up but also to VFS that are not up.  AQ complains about this and
sends us an error in ARQ called LAN overflow event for a queue. We
check if the queue belongs to a VF and if it does we try to send a
vc_notify_vf_reset message to that VF. Well if the VF is not up/enabled
we will be entering this function with a non-active VF id. In this
function we were assuming VF struct is populated but it won't be if
the VF is not active.

Change-ID: Ic6733cda4582d3609fe6d83b2872bb2dcdc73f4a
Signed-off-by: Ashish N Shah <ashish.n.shah@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-08-15 03:39:08 -07:00
Simon Wood
29ff66571d HID: logitech: Prevent possibility of infinite loop when using /sys interface
If the device data is not accessible for some reason, returning 0 will cause the call to be
continuously called again as none of the string has been 'consumed'.

Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-15 10:54:13 +02:00
Dmitry Torokhov
91167e1914 Merge branch 'next' into for-linus
Prepare second round of input updates for 3.17.
2014-08-14 23:02:58 -07:00
Andreas Ruprecht
c8ad8b563c drm/radeon: Remove duplicate include from Makefile
In the Makefile, radeon_uvd.o is added to radeon-y twice.

As it belongs to the UVD block marked with a comment, the other include
from the block of includes labelled as "KMS driver" is deleted.

Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-08-15 00:58:20 -04:00
Alex Deucher
c83dec3bb6 drm/radeon/dpm: select the appropriate vce power state for KV/KB/ML
Compare the clock in the limits table to the requested evclk rather
than just taking the first value.  Improves vce performance in certain
cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-15 00:58:19 -04:00
Pali Rohár
b07a657e3a drm/radeon: Add ability to get and change dpm state when radeon PX card is turned off
This fixing commit 4f2f203976964e267dc477de6648bdb3acd2b74b

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=76321

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-15 00:58:19 -04:00
Oleg Chernovskiy
6bce8d9772 drm/radeon: Add missing lines to ci_set_thermal_temperature_range
Properly set the thermal min and max temp on CI.
Otherwise, we end up setting the thermal ranges
to 0 on resume and end up in the lowest power state.

Signed-off-by: Oleg Chernovskiy <algonkvel@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-15 00:58:18 -04:00
Michel Dänzer
6f28ef4797 drm/radeon: Always flush VM again on < CIK
Not doing this causes piglit hangs[0] on my Cape Verde card. No issues on
Bonaire and Kaveri though.

[0] Same symptoms as those fixed on CIK by 'drm/radeon: set VM base addr
using the PFP v2'.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-08-15 00:58:17 -04:00
Dan Carpenter
68b1ea30e4 drm/radeon: add a check for allocation failure (v2)
We can easily return -ENOMEM here if kzalloc() fails.

v2: agd5f: drop the vm mutex

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-08-15 00:58:17 -04:00
Alex Deucher
4fb0bbd5d0 drm/radeon: use pfp for all vm_flush related updates
May fix hangs in some cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-08-15 00:58:09 -04:00
Alex Deucher
6e909f74db drm/radeon: add bapm module parameter
Add a module paramter to enable bapm on APUs.  It's disabled
by default on certain APUs due to stability issues.  This
option makes it easier to test and to enable it on systems that
are stable.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=81021

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-15 00:57:27 -04:00
Amit Shah
34679ec7a0 virtio: rng: add derating factor for use by hwrng core
The khwrngd thread is started when a hwrng device of sufficient
quality is registered.  The virtio-rng device is backed by the
hypervisor, and we trust the hypervisor to provide real entropy.

A malicious or badly-implemented hypervisor is a scenario that's
irrelevant -- such a setup is bound to cause all sorts of badness, and a
compromised hwrng is the least of the user's worries.

Given this, we might as well assume that the quality of randomness we
receive is perfectly trustworthy.  Hence, we use 100% for the factor,
indicating maximum confidence in the source.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: H. Peter Anvin <hpa@linux.intel.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-08-15 10:26:01 +05:30
Linus Torvalds
c9d26423e5 More ACPI and power management updates for 3.17-rc1
- Fix for an ACPI-based device hotplug regression introduced in 3.14
    that causes a kernel panic to trigger when memory hot-remove is
    attempted with CONFIG_ACPI_HOTPLUG_MEMORY unset from Tang Chen.
 
  - Fix for a cpufreq regression introduced in 3.16 that triggers a
    "sleeping function called from invalid context" bug in
    dev_pm_opp_init_cpufreq_table() from Stephen Boyd.
 
  - ACPI battery driver fix for a warning message added in 3.16 that
    prints silly stuff sometimes from Mariusz Ceier.
 
  - Hibernation fix for safer handling of mismatches in the 820 memory
    map between the configurations during image creation and during
    the subsequent restore from Chun-Yi Lee.
 
  - ACPI processor driver fix to handle CPU hotplug notifications
    correctly during system suspend/resume from Lan Tianyu.
 
  - Series of four cpuidle menu governor cleanups that also should
    speed it up a bit from Mel Gorman.
 
  - Fixes for the speedstep-smi, integrator, cpu0 and arm_big_little
    cpufreq drivers from Hans Wennborg, Himangi Saraogi, Markus Pargmann
    and Uwe Kleine-König.
 
  - Version 3.0 of the analyze_suspend.py suspend profiling tool
    from Todd E Brandt.
 
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Merge tag 'pm+acpi-3.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI and power management updates from Rafael Wysocki:
 "These are a couple of regression fixes, cpuidle menu governor
  optimizations, fixes for ACPI proccessor and battery drivers,
  hibernation fix to avoid problems related to the e820 memory map,
  fixes for a few cpufreq drivers and a new version of the suspend
  profiling tool analyze_suspend.py.

  Specifics:

   - Fix for an ACPI-based device hotplug regression introduced in 3.14
     that causes a kernel panic to trigger when memory hot-remove is
     attempted with CONFIG_ACPI_HOTPLUG_MEMORY unset from Tang Chen

   - Fix for a cpufreq regression introduced in 3.16 that triggers a
     "sleeping function called from invalid context" bug in
     dev_pm_opp_init_cpufreq_table() from Stephen Boyd

   - ACPI battery driver fix for a warning message added in 3.16 that
     prints silly stuff sometimes from Mariusz Ceier

   - Hibernation fix for safer handling of mismatches in the 820 memory
     map between the configurations during image creation and during the
     subsequent restore from Chun-Yi Lee

   - ACPI processor driver fix to handle CPU hotplug notifications
     correctly during system suspend/resume from Lan Tianyu

   - Series of four cpuidle menu governor cleanups that also should
     speed it up a bit from Mel Gorman

   - Fixes for the speedstep-smi, integrator, cpu0 and arm_big_little
     cpufreq drivers from Hans Wennborg, Himangi Saraogi, Markus
     Pargmann and Uwe Kleine-König

   - Version 3.0 of the analyze_suspend.py suspend profiling tool from
     Todd E Brandt"

* tag 'pm+acpi-3.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / battery: Fix warning message in acpi_battery_get_state()
  PM / tools: analyze_suspend.py: update to v3.0
  cpufreq: arm_big_little: fix module license spec
  cpufreq: speedstep-smi: fix decimal printf specifiers
  ACPI / hotplug: Check scan handlers in acpi_scan_hot_remove()
  cpufreq: OPP: Avoid sleeping while atomic
  cpufreq: cpu0: Do not print error message when deferring
  cpufreq: integrator: Use set_cpus_allowed_ptr
  PM / hibernate: avoid unsafe pages in e820 reserved regions
  ACPI / processor: Make acpi_cpu_soft_notify() process CPU FROZEN events
  cpuidle: menu: Lookup CPU runqueues less
  cpuidle: menu: Call nr_iowait_cpu less times
  cpuidle: menu: Use ktime_to_us instead of reinventing the wheel
  cpuidle: menu: Use shifts when calculating averages where possible
2014-08-14 18:13:46 -06:00
Linus Torvalds
a11c5c9ef6 PCI changes for the v3.17 merge window (part 2):
Miscellaneous
     - Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
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Merge tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull DEFINE_PCI_DEVICE_TABLE removal from Bjorn Helgaas:
 "Part two of the PCI changes for v3.17:

    - Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)

  It's a mechanical change that removes uses of the
  DEFINE_PCI_DEVICE_TABLE macro.  I waited until later in the merge
  window to reduce conflicts, but it's possible you'll still see a few"

* tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
2014-08-14 18:10:33 -06:00
Dave Airlie
83d45f234d Merge branch 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
A couple of thinkos from the -next merge, some random fixes from a
coverity scan, fix for (at least) GK106 accidentally using
non-existent vram on some board configurations, and better behaviour
of the instmem allocations if vmalloc space runs out.

* 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/platform: fix compilation error
  drm/nouveau/gk20a: add LTC device
  drm/nouveau: warn if we fail to re-pin fb on resume
  drm/nouveau/nvif: fix dac load detect method definition
  drm/gf100-/gr: fix -ENOSPC detection when allocating zbc table entries
  drm/nouveau/nvif: return null pointers on failure, in addition to ret != 0
  drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB
  drm/nvc0-/fb/ram: fix use of non-existant ram if partitions aren't uniform
  drm/nouveau/bar: behave better if ioremap failed
  drm/nouveau/kms: nouveau_fbcon_accel_fini can be static
  drm/nouveau: kill unused variable warning if !__OS_HAS_AGP
  drm/nouveau/nvif: fix a number of notify thinkos
2014-08-15 09:29:35 +10:00
Linus Torvalds
ad15afb8b9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "I'm sending this out, in particular, to get the iwlwifi fix
  propagated:

   1) Fix build due to missing include in i40e driver, from Lucas
      Tanure.

   2) Memory leak in openvswitch port allocation, from Chirstoph Jaeger.

   3) Check DMA mapping errors in myri10ge, from Stanislaw Gruszka.

   4) Fix various deadlock scenerios in sunvnet driver, from Sowmini
      Varadhan.

   5) Fix cxgb4i build failures with incompatible Kconfig settings of
      the driver vs ipv6, from Anish Bhatt.

   6) Fix generation of ACK packet timestamps in the presence of TSO
      which will be split up, from Willem de Bruijn.

   7) Don't enable sched scan in iwlwifi driver, it causes firmware
      crashes in some revisions.  From Emmanuel Grumbach.

   8) Revert a macvlan simplification that causes crashes.

   9) Handle RTT calculations properly in the presence of repair'd SKBs,
      from Andrey Vagin.

  10) SIT tunnel lookup uses wrong device index in compares, from
      Shmulik Ladkani.

  11) Handle MTU reductions in TCP properly for ipv4 mapped ipv6
      sockets, from Neal Cardwell.

  12) Add missing annotations in rhashtable code, from Thomas Graf.

  13) Fix false interpretation of two RTOs as being from the same TCP
      loss event in the FRTO code, from Neal Cardwell"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (42 commits)
  netlink: Annotate RCU locking for seq_file walker
  rhashtable: fix annotations for rht_for_each_entry_rcu()
  rhashtable: unexport and make rht_obj() static
  rhashtable: RCU annotations for next pointers
  tcp: fix ssthresh and undo for consecutive short FRTO episodes
  tcp: don't allow syn packets without timestamps to pass tcp_tw_recycle logic
  tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced()
  sit: Fix ipip6_tunnel_lookup device matching criteria
  net: ethernet: ibm: ehea: Remove duplicate object from Makefile
  net: xgene: Check negative return value of xgene_enet_get_ring_size()
  tcp: don't use timestamp from repaired skb-s to calculate RTT (v2)
  net: xilinx: Remove .owner field for driver
  Revert "macvlan: simplify the structure port"
  iwlwifi: mvm: disable scheduled scan to prevent firmware crash
  xen-netback: remove loop waiting function
  xen-netback: don't stop dealloc kthread too early
  xen-netback: move NAPI add/remove calls
  xen-netback: fix debugfs entry creation
  xen-netback: fix debugfs write length check
  net-timestamp: fix missing tcp fragmentation cases
  ...
2014-08-14 17:25:21 -06:00
David S. Miller
a61ebdfdb1 Merge tag 'master-2014-08-14' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:

====================
pull request: wireless 2014-08-14

Please pull this batch of fixes intended for the 3.17 stream...

Arend van Spriel brings two brcmfmac fixes, one which fixes a memory
leak and one which corrects some merge damage.

Emmanuel Grumbach fixes Linus's iwlwifi firmware-related log spam.

Rickard Strandqvist does some proper NULL termination after a call
to strncpy.

Ronald Wahl corrects a carl9170 problem with sending URBs with the
wrong endpoint type (resulting in log spam).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 15:17:37 -07:00
Alexandre Courbot
4898ac046d drm/nouveau/platform: fix compilation error
nouveau_platform.c was still using the old nouveau_dev() macro,
triggering a compilation error. Fix this.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Alexandre Courbot
5d6d94f761 drm/nouveau/gk20a: add LTC device
LTC device is now required for PGRAPH to work, add it.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
c9a6fd9733 drm/nouveau: warn if we fail to re-pin fb on resume
Spotted by Coverity.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
8bd62a8327 drm/nouveau/nvif: fix dac load detect method definition
A thinko made me turn this into a u16 when cleaning up.

Spotted by coverity.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
da7c74ea2b drm/gf100-/gr: fix -ENOSPC detection when allocating zbc table entries
Spotted by Coverity.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
ef07ceae02 drm/nouveau/nvif: return null pointers on failure, in addition to ret != 0
Reported by Coverity.  The intention is that the return value is
checked, but let's be more paranoid and make it extremely obvious
if something forgets to.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
147ed897e8 drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:39 +10:00
Ben Skeggs
3d9e3921f4 drm/nvc0-/fb/ram: fix use of non-existant ram if partitions aren't uniform
Likely a large part of the GK106 woes..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:38 +10:00
Ben Skeggs
e7d96929a7 drm/nouveau/bar: behave better if ioremap failed
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:38 +10:00
Fengguang Wu
e715396ae3 drm/nouveau/kms: nouveau_fbcon_accel_fini can be static
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:38 +10:00
Ben Skeggs
5c13cac149 drm/nouveau: kill unused variable warning if !__OS_HAS_AGP
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:38 +10:00
Ben Skeggs
7caa63c040 drm/nouveau/nvif: fix a number of notify thinkos
Note to self: more sleep

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-08-15 07:58:38 +10:00
Andreas Ruprecht
3b3e0ea8bc net: ethernet: ibm: ehea: Remove duplicate object from Makefile
In the Makefile, ehea_phyp.o is included twice in the list of
object files compile into ehea.o.

This change removes one instance.

Signed-off-by: Andreas Ruprecht <rupran@einserver.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 14:38:54 -07:00
Tobias Klauser
9b9ba821b6 net: xgene: Check negative return value of xgene_enet_get_ring_size()
xgene_enet_get_ring_size() returns a negative value in case of an error,
but its only caller in xgene_enet_create_desc_ring() currently uses the
return value directly as u32. Instead, check for a negative value first and
error out in case. Also move the call to xgene_enet_get_ring_size() before
devm_kzalloc() so we don't need to free anything in the error path.

This fixes the following issue reported by the Coverity Scanner:

** CID 1231336:  Improper use of negative value  (NEGATIVE_RETURNS)
/drivers/net/ethernet/apm/xgene/xgene_enet_main.c: 596 in xgene_enet_create_desc_ring()

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 14:38:54 -07:00
Michal Simek
fdd42e4400 net: xilinx: Remove .owner field for driver
There is no need to init .owner field.

Based on the patch from Peter Griffin <peter.griffin@linaro.org>
"mmc: remove .owner field for drivers using module_platform_driver"

This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
platform_driver_register anyway."

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 14:38:54 -07:00
David S. Miller
5e3c516b51 Revert "macvlan: simplify the structure port"
This reverts commit a188a54d11629bef2169052297e61f3767ca8ce5.

It causes crashes

====================
[   80.643286] BUG: unable to handle kernel NULL pointer dereference at 0000000000000878
[   80.670103] IP: [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[   80.691289] PGD 22c102067 PUD 235bf0067 PMD 0
[   80.706611] Oops: 0002 [#1] SMP
[   80.717836] Modules linked in: macvlan nfsd lockd nfs_acl exportfs auth_rpcgss sunrpc oid_registry ioatdma ixgbe(-) mdio igb dca
[   80.757935] CPU: 37 PID: 6724 Comm: rmmod Not tainted 3.16.0-net-next-08-12-2014-FCoE+ #1
[   80.785688] Hardware name: Intel Corporation S2600CO/S2600CO, BIOS SE5C600.86B.02.03.0003.041920141333 04/19/2014
[   80.820310] task: ffff880235a9eae0 ti: ffff88022e844000 task.ti: ffff88022e844000
[   80.845770] RIP: 0010:[<ffffffff810832e4>]  [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[   80.875326] RSP: 0018:ffff88022e847b28  EFLAGS: 00010046
[   80.893251] RAX: 0000000000037a6a RBX: 0000000000000878 RCX: 0000000000000000
[   80.917187] RDX: ffff880235a9eae0 RSI: 0000000000000001 RDI: ffffffff810832db
[   80.941125] RBP: ffff88022e847b58 R08: 0000000000000000 R09: 0000000000000000
[   80.965056] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88022e847b70
[   80.988994] R13: 0000000000000000 R14: ffff88022e847be8 R15: ffffffff81ebe440
[   81.012929] FS:  00007fab90b07700(0000) GS:ffff88043f7a0000(0000) knlGS:0000000000000000
[   81.040400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.059757] CR2: 0000000000000878 CR3: 0000000235a42000 CR4: 00000000001407e0
[   81.083689] Stack:
[   81.090739]  ffff880235a9eae0 0000000000000878 ffff88022e847b70 0000000000000000
[   81.116253]  ffff88022e847be8 ffffffff81ebe440 ffff88022e847b98 ffffffff810847f1
[   81.141766]  ffff88022e847b78 0000000000000286 ffff880234200000 0000000000000000
[   81.167282] Call Trace:
[   81.175768]  [<ffffffff810847f1>] __cancel_work_timer+0x31/0x170
[   81.195985]  [<ffffffff8108494b>] cancel_work_sync+0xb/0x10
[   81.214769]  [<ffffffffa015ae68>] macvlan_port_destroy+0x28/0x60 [macvlan]
[   81.237844]  [<ffffffffa015b930>] macvlan_uninit+0x40/0x50 [macvlan]
[   81.259209]  [<ffffffff816bf6e2>] rollback_registered_many+0x1a2/0x2c0
[   81.281140]  [<ffffffff816bf81a>] unregister_netdevice_many+0x1a/0xb0
[   81.302786]  [<ffffffffa015a4ff>] macvlan_device_event+0x1ef/0x240 [macvlan]
[   81.326439]  [<ffffffff8108a13d>] notifier_call_chain+0x4d/0x70
[   81.346366]  [<ffffffff8108a201>] raw_notifier_call_chain+0x11/0x20
[   81.367439]  [<ffffffff816bf25b>] call_netdevice_notifiers_info+0x3b/0x70
[   81.390228]  [<ffffffff816bf2a1>] call_netdevice_notifiers+0x11/0x20
[   81.411587]  [<ffffffff816bf6bd>] rollback_registered_many+0x17d/0x2c0
[   81.433518]  [<ffffffff816bf925>] unregister_netdevice_queue+0x75/0x110
[   81.455735]  [<ffffffff816bfb2b>] unregister_netdev+0x1b/0x30
[   81.475094]  [<ffffffffa0039b50>] ixgbe_remove+0x170/0x1d0 [ixgbe]
[   81.495886]  [<ffffffff813512a2>] pci_device_remove+0x32/0x60
[   81.515246]  [<ffffffff814c75c4>] __device_release_driver+0x64/0xd0
[   81.536321]  [<ffffffff814c76f8>] driver_detach+0xc8/0xd0
[   81.554530]  [<ffffffff814c656e>] bus_remove_driver+0x4e/0xa0
[   81.573888]  [<ffffffff814c828b>] driver_unregister+0x2b/0x60
[   81.593246]  [<ffffffff8135143e>] pci_unregister_driver+0x1e/0xa0
[   81.613749]  [<ffffffffa005db18>] ixgbe_exit_module+0x1c/0x2e [ixgbe]
[   81.635401]  [<ffffffff810e738b>] SyS_delete_module+0x15b/0x1e0
[   81.655334]  [<ffffffff8187a395>] ? sysret_check+0x22/0x5d
[   81.673833]  [<ffffffff810abd2d>] ? trace_hardirqs_on_caller+0x11d/0x1e0
[   81.696339]  [<ffffffff8132bfde>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[   81.717985]  [<ffffffff8187a369>] system_call_fastpath+0x16/0x1b
[   81.738199] Code: 00 48 83 3d 6e bb da 00 00 48 89 c2 0f 84 67 01 00 00 fa 66 0f 1f 44 00 00 49 89 14 24 e8 b5 4b 02 00 45 84 ed 0f 85 ac 00 00 00 <f0> 0f ba 2b 00 72 1d 31 c0 48 8b 5d d8 4c 8b 65 e0 4c 8b 6d e8
[   81.807026] RIP  [<ffffffff810832e4>] try_to_grab_pending+0x64/0x1f0
[   81.828468]  RSP <ffff88022e847b28>
[   81.840384] CR2: 0000000000000878
[   81.851731] ---[ end trace 9f6c7232e3464e11 ]---
====================

This bug could be triggered by these steps:

modprobe ixgbe ; modprobe macvlan
ip link add link p96p1 address 00:1B:21:6E:06:00 macvlan0 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:01 macvlan1 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:02 macvlan2 type macvlan
ip link add link p96p1 address 00:1B:21:6E:06:03 macvlan3 type macvlan
rmmod ixgbe

Reported-by: "Keller, Jacob E" <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 14:32:49 -07:00
Linus Torvalds
e3b1fd56f1 Main set of InfiniBand/RDMA updates for 3.17 merge window:
- MR reregistration support
  - MAD support for RMPP in userspace
  - iSER and SRP initiator updates
  - ocrdma hardware driver updates
  - other fixes...
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

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

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

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (52 commits)
  IB/srp: Fix return value check in srp_init_module()
  RDMA/ocrdma: report asic-id in query device
  RDMA/ocrdma: Update sli data structure for endianness
  RDMA/ocrdma: Obtain SL from device structure
  RDMA/uapi: Include socket.h in rdma_user_cm.h
  IB/srpt: Handle GID change events
  IB/mlx5: Use ARRAY_SIZE instead of sizeof/sizeof[0]
  IB/mlx4: Use ARRAY_SIZE instead of sizeof/sizeof[0]
  RDMA/amso1100: Check for integer overflow in c2_alloc_cq_buf()
  IPoIB: Remove unnecessary test for NULL before debugfs_remove()
  IB/mad: Add user space RMPP support
  IB/mad: add new ioctl to ABI to support new registration options
  IB/mad: Add dev_notice messages for various umad/mad registration failures
  IB/mad: Update module to [pr|dev]_* style print messages
  IB/ipoib: Avoid multicast join attempts with invalid P_key
  IB/umad: Update module to [pr|dev]_* style print messages
  IB/ipoib: Avoid flushing the workqueue from worker context
  IB/ipoib: Use P_Key change event instead of P_Key polling mechanism
  IB/ipath: Add P_Key change event support
  mlx4_core: Add support for secure-host and SMP firewall
  ...
2014-08-14 11:09:05 -06:00
Linus Torvalds
f2937e4540 Merge branch 'akpm' (fixes from Andrew Morton)
Merge leftovers from Andrew Morton:
 "A few leftovers.

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

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

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

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reported-by: Marcel Witte <wittemar@googlemail.com>
Cc: Roger Tseng <rogerable@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-14 10:56:15 -06:00
Emmanuel Grumbach
77b2f28659 iwlwifi: mvm: disable scheduled scan to prevent firmware crash
There are firmwares which don't support scheduled scan.
Disable it for now.
Linus's system encoutered this issue.
Thanks to David Spinadel for his help.

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-14 19:47:41 +03:00
Linus Torvalds
2d0c05e1c5 Two small hwspinlock changes for better OMAP support, coming
from Suman Anna.
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Merge tag 'hwspinlock-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock

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

* tag 'hwspinlock-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
  hwspinlock: enable OMAP build for AM33xx, AM43xx & DRA7xx
  hwspinlock/omap: enable module before reading SYSSTATUS register
2014-08-14 10:11:58 -06:00
Roland Dreier
d087f6ad72 Merge branches 'core', 'cxgb4', 'ipoib', 'iser', 'iwcm', 'mad', 'misc', 'mlx4', 'mlx5', 'ocrdma' and 'srp' into for-next 2014-08-14 08:58:04 -07:00
Wei Yongjun
da05be290f IB/srp: Fix return value check in srp_init_module()
In case of error, the function create_workqueue() returns NULL pointer
not ERR_PTR().  The IS_ERR() test in the return value check should be
replaced with NULL test.

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

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

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

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

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

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

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

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

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

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

* tag 'vfio-v3.17-rc1' of git://github.com/awilliam/linux-vfio:
  drivers/vfio: Enable VFIO if EEH is not supported
  drivers/vfio: Allow EEH to be built as module
  drivers/vfio: Fix EEH build error
  vfio-pci: Attempt bus/slot reset on release
  vfio-pci: Use mutex around open, release, and remove
  vfio-pci: Release devices with BusMaster disabled
2014-08-14 09:41:41 -06:00