Commit Graph

427979 Commits

Author SHA1 Message Date
Dave Airlie
55ae26b795 Merge tag 'drm-intel-fixes-2014-03-19' of git://anongit.freedesktop.org/drm-intel into drm-fixes
two more fixes, both regressions.

* tag 'drm-intel-fixes-2014-03-19' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Disable stolen memory when DMAR is active
  Revert "drm/i915: don't touch the VDD when disabling the panel"
2014-03-20 07:17:31 +10:00
Roger Luethi
ae996154f7 via-rhine: Disable device in error path
Currently, via-rhine fails to call pci_disable_device() for errors
in rhine_init_one().

Reported-by: Huqiu Liu <liuhq11@mails.tsinghua.edu.cn>
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-19 16:08:29 -04:00
Linus Torvalds
ea1cd65a64 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "A single bugfix: make the scheduler clock on Vybrid SoCs count
  forward"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource: vf_pit_timer: use complement for sched_clock reading
2014-03-19 09:05:38 -07:00
Charles Keepax
749d32237b ALSA: compress: Pass through return value of open ops callback
The snd_compr_open function would always return 0 even if the compressed
ops open function failed, obviously this is incorrect. Looks like this
was introduced by a small typo in:

commit a0830dbd4e
ALSA: Add a reference counter to card instance

This patch returns the value from the compressed op as it should.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-03-19 15:46:24 +01:00
Rafał Miłecki
4fe2169ace MIPS: BCM47XX: Check all (32) GPIOs when looking for a pin
Broadcom boards support 32 GPIOs and NVRAM may have entires for higher
ones too. Example:
gpio23=wombo_reset

Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Cc: Rafał Miłecki <zajec5@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/6547/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-19 09:28:10 +01:00
Chris Wilson
0f4706d274 drm/i915: Disable stolen memory when DMAR is active
We have reports of heavy screen corruption if we try to use the stolen
memory reserved by the BIOS whilst the DMA-Remapper is active. This
quirk may be only specific to a few machines or BIOSes, but first lets
apply the big hammer and always disable use of stolen memory when DMAR
is active.

v2 by Jani: Rebase on -fixes, only look at intel_iommu_gfx_mapped.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68535
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-03-19 10:05:38 +02:00
Jani Nikula
825938307f Revert "drm/i915: don't touch the VDD when disabling the panel"
This reverts
commit dff392dbd2
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Fri Dec 6 17:32:41 2013 -0200

    drm/i915: don't touch the VDD when disabling the panel

which didn't take into account

commit 6cb49835da
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun May 20 17:14:50 2012 +0200

    drm/i915: enable vdd when switching off the eDP panel

and

commit 35a38556d9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun Aug 12 22:17:14 2012 +0200

    drm/i915: reorder edp disabling to fix ivb MacBook Air

Unsurprisingly, various MacBooks failed.

Effectively the same has already been done in drm-intel-next-queued.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74628
Tested-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-03-19 10:03:57 +02:00
Li Zefan
3eb59ec64f cgroup: fix a failure path in create_css()
If online_css() fails, we should remove cgroup files belonging
to css->ss.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-18 17:15:36 -04:00
Bjorn Helgaas
707d4eefbd Revert "[PATCH] Insert GART region into resource map"
This reverts commit 56dd669a13, which makes the GART visible in
/proc/iomem.  This fixes a regression: e501b3d87f ("agp: Support 64-bit
APBASE") exposed an existing problem with a conflict between the GART
region and a PCI BAR region.

The GART addresses are bus addresses, not CPU addresses, and therefore
should not be inserted in iomem_resource.

On many machines, the GART region is addressable by the CPU as well as by
an AGP master, but CPU addressability is not required by the spec.  On some
of these machines, the GART is mapped by a PCI BAR, and in that case, the
PCI core automatically inserts it into iomem_resource, just as it does for
all BARs.

Inserting it here means we'll have a conflict if the PCI core later tries
to claim the GART region, so let's drop the insertion here.

The conflict indirectly causes X failures, as reported by Jouni in the
bugzilla below.  We detected the conflict even before e501b3d87f, but
after it the AGP code (fix_northbridge()) uses the PCI resource (which is
zeroed because of the conflict) instead of reading the BAR again.

Conflicts:
	arch/x86_64/kernel/aperture.c

Fixes: e501b3d87f agp: Support 64-bit APBASE
Link: https://bugzilla.kernel.org/show_bug.cgi?id=72201
Reported-and-tested-by: Jouni Mettälä <jtmettala@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-03-18 14:26:12 -06:00
Peter Senna Tschudin
3e3d354021 ATHEROS-ATL1E: Convert iounmap to pci_iounmap
Use pci_iounmap instead of iounmap when the virtual mapping was done
with pci_iomap. A simplified version of the semantic patch that finds this
issue is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
expression addr;
@@
addr = pci_iomap(...)

@rr@
expression r.addr;
@@
* iounmap(addr)
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:12:56 -04:00
David Stevens
7346135dcd vxlan: fix potential NULL dereference in arp_reduce()
This patch fixes a NULL pointer dereference in the event of an
skb allocation failure in arp_reduce().

Signed-Off-By: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Cong Wang <cwang@twopensource.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:09:34 -04:00
David S. Miller
0df04c4ccc Merge branch 'cnic-net'
Michael Chan says:

====================
cnic bug fixes for net-next

Michael Chan (3):
  cnic: Use proper ulp_ops for per device operations.
  cnic,bnx2i,bnx2fc: Fix inconsistent use of page size
  cnic: Update version to 2.5.20 and copyright year.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:03:44 -04:00
Michael Chan
c3661283f9 cnic: Update version to 2.5.20 and copyright year.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:02:16 -04:00
Michael Chan
be1fefc214 cnic,bnx2i,bnx2fc: Fix inconsistent use of page size
The bnx2/bnx2x rings are made up of linked pages.  However there is an
upper limit on the page size as some the page size settings are 16-bit
in the hardware/firmware interface.  In the current code, some parts
use BNX2_PAGE_SIZE which has a 16K upper limit and some parts use
PAGE_SIZE.  On archs with >= 64K PAGE_SIZE, it generates some compile
warnings.  Define a new CNIC_PAGE_SZIE which has an upper limit of
16K and use it consistently in all relevant parts.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:02:16 -04:00
Michael Chan
f7bd12d09e cnic: Use proper ulp_ops for per device operations.
For per device operations, cnic needs to dereference the RCU protected
cp->ulp_ops instead of the global cnic_ulp_tbl.  In 2 locations,
cnic_send_nlmsg() and cnic_copy_ulp_stats(), it was referencing the
global table.  If the device has been unregistered and these functions
are still being called (very unlikely scenarios), it could lead to NULL
pointer dereference.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 16:02:16 -04:00
Bjørn Mork
ff0992e903 net: cdc_ncm: fix control message ordering
This is a context modified revert of commit 6a9612e2cb
("net: cdc_ncm: remove ncm_parm field") which introduced
a NCM specification violation, causing setup errors for
some devices. These errors resulted in the device and
host disagreeing about shared settings, with complete
failure to communicate as the end result.

The NCM specification require that many of the NCM specific
control reuests are sent only while the NCM Data Interface
is in alternate setting 0. Reverting the commit ensures that
we follow this requirement.

Fixes: 6a9612e2cb ("net: cdc_ncm: remove ncm_parm field")
Reported-and-tested-by: Pasi Kärkkäinen <pasik@iki.fi>
Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 15:32:32 -04:00
lucien
e367c2d03d ipv6: ip6_append_data_mtu do not handle the mtu of the second fragment properly
In ip6_append_data_mtu(), when the xfrm mode is not tunnel(such as
transport),the ipsec header need to be added in the first fragment, so the mtu
will decrease to reserve space for it, then the second fragment come, the mtu
should be turn back, as the commit 0c1833797a
said.  however, in the commit a493e60ac4bbe2e977e7129d6d8cbb0dd236be, it use
*mtu = min(*mtu, ...) to change the mtu, which lead to the new mtu is alway
equal with the first fragment's. and cannot turn back.

when I test through  ping6 -c1 -s5000 $ip (mtu=1280):
...frag (0|1232) ESP(spi=0x00002000,seq=0xb), length 1232
...frag (1232|1216)
...frag (2448|1216)
...frag (3664|1216)
...frag (4880|164)

which should be:
...frag (0|1232) ESP(spi=0x00001000,seq=0x1), length 1232
...frag (1232|1232)
...frag (2464|1232)
...frag (3696|1232)
...frag (4928|116)

so delete the min() when change back the mtu.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Fixes: 75a493e60a ("ipv6: ip6_append_data_mtu did not care about pmtudisc and frag_size")
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 15:17:53 -04:00
Paul Bolle
d1958f8c2f isdn/capi: Make Middleware depend on CAPI2.0
The Kconfig symbol ISDN_CAPI_MIDDLEWARE is only used in capi.c. Setting
it without setting ISDN_CAPI_CAPI20 is therefor useless. Make it depend
on ISDN_CAPI_CAPI20 and put its entry after ISDN_CAPI_CAPI20's entry.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 15:02:57 -04:00
Linus Torvalds
4907cdca72 A fix for a PowerPC bug that was introduced during the 3.14 merge window.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull another kvm fix from Paolo Bonzini:
 "A fix for a PowerPC bug that was introduced during the 3.14 merge
  window"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
  KVM: PPC: Book3S HV: Remove bogus duplicate code
2014-03-18 11:32:08 -07:00
David S. Miller
72c2dfdefa Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
1) Fix a sleep in atomic when pfkey_sadb2xfrm_user_sec_ctx()
   is called from pfkey_compile_policy().
   Fix from Nikolay Aleksandrov.

2) security_xfrm_policy_alloc() can be called in process and atomic
   context. Add an argument to let the callers choose the appropriate
   way. Fix from Nikolay Aleksandrov.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-18 12:42:33 -04:00
Clemens Ladisch
305564413c ALSA: oxygen: Xonar DG(X): fix Stereo Upmixing regression
The code introduced in commit 1f91ecc14d ("ALSA: oxygen: modify
adjust_dg_dac_routing function") accidentally disregarded the old value
of the playback routing register, so it broke the "Stereo Upmixing"
mixer control.

The unmuted parts of the channel routing are the same for all settings
of the output destination, so it suffices to revert that part of the
patch.

Fixes: 1f91ecc14d ('ALSA: oxygen: modify adjust_dg_dac_routing function')
Tested-by: Roman Volkov <v1ron@mail.ru>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-03-18 09:51:58 +01:00
Ingo Molnar
7c144bfbf8 perf/urgent 'bench' fixes:
. Make 'perf bench mem' (i.e. no args) mean 'run all tests' so that we can run
   all tests, not stopping at the numa ones.  (Arnaldo Carvalho de Melo)
 
 . Fix NULL pointer dereference after last test in in "perf bench all" (Patrick Palka)
 
 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 two 'perf bench' fixes from Arnaldo:

  * Make 'perf bench mem' (i.e. no args) mean 'run all tests' so that we can run
    all tests, not stopping at the numa ones.  (Arnaldo Carvalho de Melo)

  * Fix NULL pointer dereference after last test in in "perf bench all" (Patrick Palka)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-03-18 09:21:42 +01:00
Alex Smith
e4362d1e64 MIPS: Fix possible build error with transparent hugepages enabled
If CONFIG_TRANSPARENT_HUGEPAGE is enabled, but CONFIG_HUGETLB_PAGE is not,
it is possible to end up with a configuration that fails to build with the
following error:

include/linux/huge_mm.h:125:2: error: #error "hugepages can't be allocated by the buddy allocator"

This is due to CONFIG_FORCE_MAX_ZONEORDER defaulting to 11. It already has
ranges that change the valid values when HUGETLB_PAGE is enabled, but this
is not done for TRANSPARENT_HUGEPAGE. Fix by changing the HUGETLB_PAGE
dependencies to MIPS_HUGE_TLB_SUPPORT, which includes both
TRANSPARENT_HUGEPAGE and HUGETLB_PAGE.

Signed-off-by: Alex Smith <alex.smith@imgtec.com>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6391/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-18 08:18:11 +01:00
Daniel Vetter
27410e8248 drm: Fix use-after-free in the shadow-attache exit code
This regression has been introduced in

commit b3f2333de8
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Dec 11 11:34:31 2013 +0100

    drm: restrict the device list for shadow attached drivers

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-18 13:09:03 +10:00
Dave Airlie
218212722f Merge tag 'drm-intel-fixes-2014-03-17' of git://anongit.freedesktop.org/drm-intel into drm-fixes
Two 3.14 specific fixes, two cc: stable.

* tag 'drm-intel-fixes-2014-03-17' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Don't enable display error interrupts from the start
  drm/i915: Fix scanline counter fixup on BDW
  drm/i915: Add a workaround for HSW scanline counter weirdness
  drm/i915: Fix PSR programming
2014-03-18 13:06:17 +10:00
Benedikt Spranger
b085f311e8 net: cpsw: do not register cpts twice
commit f280e89a (drivers: net: cpsw: fix for cpsw crash when build as modules)
moved cpts_register()/cpts_unregister() to  ndo_open()/ndo_stop(), but failed
to remove cpts_register in cpsw_probe() which leads to a double registration
and the following debug object splat.

[   18.991902] ODEBUG: init active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x2c
[   19.082249] [<c0059e80>] (init_timer_key) from [<c04965d4>] (cpts_register+0x1f0/0x2c4)
[   19.090642] [<c04965d4>] (cpts_register) from [<c04931dc>] (cpsw_ndo_open+0x780/0x81c)
[   19.098948] [<c04931dc>] (cpsw_ndo_open) from [<c0599c2c>] (__dev_open+0xb4/0x118)

Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 22:17:32 -04:00
Linus Torvalds
9a15c944f7 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull final final block IO fixes from Jens Axboe:
 "Yes, the last round was final. This one is final final.

  The mtip32xx fix could have waited, but it's so simple and gets rid of
  two warning spewages on load.  The two block flush fixes are critical
  for blk-mq, and are the primary reason for this late pull request"

* 'for-linus' of git://git.kernel.dk/linux-block:
  mtip32xx: fix bad use of smp_processor_id()
  block: change flush sequence list addition back to front add
  block: fix q->flush_rq NULL pointer crash on dm-mpath flush
2014-03-17 16:54:49 -07:00
Linus Torvalds
8a21d9f63d Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "A fair number of fixes all across arch/mips.  Nothing really stands
  out though APRP, the FPU code and syscall tracing code received
  multiple patches those all were small"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: mark O32+FP64 experimental for now
  MIPS: ftrace: Fix icache flush range error
  MIPS: Fix syscall tracing interface
  MIPS: asm: syscall: Fix copying system call arguments
  MIPS: Octeon: Fix fall through on bar type OCTEON_DMA_BAR_TYPE_SMALL
  MIPS: FPU: Fix conflict of register usage
  MIPS: Replace CONFIG_MIPS64 and CONFIG_MIPS32_R2
  MIPS: math-emu: Fix prefx detection and COP1X function field definition
  MIPS: APRP: Choose the correct VPE loader by fixing the linking
  MIPS: APRP: Unregister rtlx interrupt hook at module exit
  MIPS: APRP: Fix the linking of rtlx interrupt hook
  MIPS: bcm47xx: Include missing errno.h for ENXIO
  MIPS: Alchemy: Fix unchecked kstrtoul return value
  MIPS: Fix randconfig build error.
2014-03-17 16:53:18 -07:00
Peter Senna Tschudin
8d7f1fbf08 ATHEROS-ALX: Use dma_set_mask_and_coherent and fix a bug
1. For the 64 bits dma mask use dma_set_mask_and_coherent instead of
   dma_set_mask and dma_set_coherent_mask.

2. For the 32 bits dma mask dma_set_coherent_mask is only called if
   dma_set_mask fails, which is unusual. Assuming this as a bug, fixes
   it by replacing calls to dma_set_mask and dma_set_coherent_mask by a
   call to dma_set_mask_and_coherent.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Tested-by: Jonas Hahnfeld <hahnjo@hahnjo.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 17:19:45 -04:00
Doug Wilson
151b628f10 sparc64:tsb.c:use array size macro rather than number
This is a small patch which uses ARRAY_SIZE macro
    rather than a number to make code readability better.

Signed-off-by: Doug Wilson <doug.lkml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 15:55:49 -04:00
Dave Kleikamp
1535bd8adb sparc64: don't treat 64-bit syscall return codes as 32-bit
When checking a system call return code for an error,
linux_sparc_syscall was sign-extending the lower 32-bit value and
comparing it to -ERESTART_RESTARTBLOCK. lseek can return valid return
codes whose lower 32-bits alone would indicate a failure (such as 4G-1).
Use the whole 64-bit value to check for errors. Only the 32-bit path
should sign extend the lower 32-bit value.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Bob Picco <bob.picco@oracle.com>
Acked-by: Allen Pais <allen.pais@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 15:54:52 -04:00
Paul Burton
06e2e88292 MIPS: mark O32+FP64 experimental for now
Commit 597ce1723e "MIPS: Support for 64-bit FP with O32 binaries"
introduced support for setting Status.FR=1 for O32 binaries with the
EF_MIPS_FP64 ELF header flag set. Whilst this flag is currently
supported by binutils it does introduce an ABI break within userland.
Objects built with EF_MIPS_FP64 cannot be safely linked with those built
without it since code in either object may assume behaviour specific to
a value of FR.

More recently there has been discussion around avoiding further
fragmentation of the O32 ABI whilst still allowing the use of FR=1 and
features such as MSA which depend upon it. Details of the plan to allow
this are still being worked on, and whilst the kernel will need the
ability to handle FR=1 with O32 tasks it is unclear what else it may
need to provide to a userland which seeks to avoid another ABI break. In
order to prevent the proliferation of userland which may rely upon the
current EF_MIPS_FP64 behaviour this patch marks the kernel support for
it experimental & disables it by default. Under current proposals it is
likely that this support can simply be enabled again later, but possibly
after the introduction of further interfaces with userland and support
for the MIPS R5 UFR feature.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Matthew Fortune <matthew.fortune@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Paul Burton <paul.burton@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/6549/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-17 16:06:12 +01:00
Linus Torvalds
9f8b483cf3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:

 - fix for ordering of device removal actions in hidraw, by Fernando
   Luis Vázquez Cao

 - fix for uninitialized workqueue usage in hid-sony, by Frank Praznik

 - device ID addition for new variant of Logitech G27, from Simon Wood

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: hid-lg4ff: Support new version of G27
  HID: hidraw: fix warning destroying hidraw device files after parent
  HID: sony: Fix work queue issues.
2014-03-17 08:00:50 -07:00
Viller Hsiao
a467109422 MIPS: ftrace: Fix icache flush range error
In 32-bit mode, the start address passed to flush_icache_range is
shifted by 4 bytes before the second safe_store_code() call.

This causes system crash from time to time because the first 4 bytes
might not be flushed properly. This bug exists since linux-3.8.

Also remove obsoleted comment while at it.

Signed-off-by: Viller Hsiao <villerhsiao@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: rostedt@goodmis.org
Cc: fweisbec@gmail.com
Cc: mingo@redhat.com
Cc: Qais.Yousef@imgtec.com
Patchwork: https://patchwork.linux-mips.org/patch/6586/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-17 15:42:07 +01:00
Lars Persson
86ca57b5a5 MIPS: Fix syscall tracing interface
Fix pointer computation for stack-based arguments.

Signed-off-by: Lars Persson <larper@axis.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6620/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-17 15:38:38 +01:00
Markos Chandras
a8031d2ce1 MIPS: asm: syscall: Fix copying system call arguments
The syscall_get_arguments function expects the arguments to be copied
to the '*args' argument but instead a local variable was used to hold
the system call argument. As a result of which, this variable was
never passed to the filter and any filter testing the system call
arguments would fail. This is fixed by passing the '*args' variable
as the destination memory for the system call arguments.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6402/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-17 15:34:28 +01:00
Linus Torvalds
dcb99fd9b0 Linux 3.14-rc7 2014-03-16 18:51:24 -07:00
Linus Torvalds
59bf6c3c6c Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "Three small fixes"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/clock: Prevent tracing recursion in sched_clock_cpu()
  stop_machine: Fix^2 race between stop_two_cpus() and stop_cpus()
  sched/deadline: Deny unprivileged users to set/change SCHED_DEADLINE policy
2014-03-16 10:42:07 -07:00
Linus Torvalds
b44eeb4d47 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 smaller fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Fix leak in uncore_type_init failure paths
  perf machine: Use map as success in ip__resolve_ams
  perf symbols: Fix crash in elf_section_by_name
  perf trace: Decode architecture-specific signal numbers
2014-03-16 10:41:21 -07:00
Michael Kerrisk
4f87dac386 ipc: Fix 2 bugs in msgrcv() MSG_COPY implementation
While testing and documenting the msgrcv() MSG_COPY flag that Stanislav
Kinsbursky added in commit 4a674f34ba ("ipc: introduce message queue
copy feature" => kernel 3.8), I discovered a couple of bugs in the
implementation.  The two bugs concern MSG_COPY interactions with other
msgrcv() flags, namely:

 (A) MSG_COPY + MSG_EXCEPT
 (B) MSG_COPY + !IPC_NOWAIT

The bugs are distinct (and the fix for the first one is obvious),
however my fix for both is a single-line patch, which is why I'm
combining them in a single mail, rather than writing two mails+patches.

 ===== (A) MSG_COPY + MSG_EXCEPT =====

With the addition of the MSG_COPY flag, there are now two msgrcv()
flags--MSG_COPY and MSG_EXCEPT--that modify the meaning of the 'msgtyp'
argument in unrelated ways.  Specifying both in the same call is a
logical error that is currently permitted, with the effect that MSG_COPY
has priority and MSG_EXCEPT is ignored.  The call should give an error
if both flags are specified.  The patch below implements that behavior.

 ===== (B) (B) MSG_COPY + !IPC_NOWAIT =====

The test code that was submitted in commit 3a665531a3 ("selftests: IPC
message queue copy feature test") shows MSG_COPY being used in
conjunction with IPC_NOWAIT.  In other words, if there is no message at
the position 'msgtyp'.  return immediately with the error in ENOMSG.

What was not (fully) tested is the behavior if MSG_COPY is specified
*without* IPC_NOWAIT, and there is an odd behavior.  If the queue
contains less than 'msgtyp' messages, then the call blocks until the
next message is written to the queue.  At that point, the msgrcv() call
returns a copy of the newly added message, regardless of whether that
message is at the ordinal position 'msgtyp'.  This is clearly bogus, and
problematic for applications that might want to make use of the MSG_COPY
flag.

I considered the following possible solutions to this problem:

 (1) Force the call to block until a message *does* appear at the
     position 'msgtyp'.

 (2) If the MSG_COPY flag is specified, the kernel should implicitly add
     IPC_NOWAIT, so that the call fails with ENOMSG for this case.

 (3) If the MSG_COPY flag is specified, but IPC_NOWAIT is not, generate
     an error (probably, EINVAL is the right one).

I do not know if any application would really want to have the
functionality of solution (1), especially since an application can
determine in advance the number of messages in the queue using msgctl()
IPC_STAT.  Obviously, this solution would be the most work to implement.

Solution (2) would have the effect of silently fixing any applications
that tried to employ broken behavior.  However, it would mean that if we
later decided to implement solution (1), then user-space could not
easily detect what the kernel supports (but, since I'm somewhat doubtful
that solution (1) is needed, I'm not sure that this is much of a
problem).

Solution (3) would have the effect of informing broken applications that
they are doing something broken.  The downside is that this would cause
a ABI breakage for any applications that are currently employing the
broken behavior.  However:

a) Those applications are almost certainly not getting the results they
   expect.
b) Possibly, those applications don't even exist, because MSG_COPY is
   currently hidden behind CONFIG_CHECKPOINT_RESTORE.

The upside of solution (3) is that if we later decided to implement
solution (1), user-space could determine what the kernel supports, via
the error return.

In my view, solution (3) is mildly preferable to solution (2), and
solution (1) could still be done later if anyone really cares.  The
patch below implements solution (3).

PS.  For anyone out there still listening, it's the usual story:
documenting an API (and the thinking about, and the testing of the API,
that documentation entails) is the one of the single best ways of
finding bugs in the API, as I've learned from a lot of experience.  Best
to do that documentation before releasing the API.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: Stanislav Kinsbursky <skinsbursky@parallels.com>
Cc: stable@vger.kernel.org
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-03-16 10:41:04 -07:00
Linus Torvalds
3b4df68d06 SCSI fixes on 20140315
This is a set of six fixes.  Two are instant crash/null deref types (storvsc
 and isci). The two qla2xxx are initialisation problems that cause MSI-X
 failures and card misdetection, the isci erroneous macro is actually illegal C
 that's causing a miscompile with certain gcc versions and the be2iscsi bad if
 expression is a static checker fix.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of six fixes.  Two are instant crash/null deref types
  (storvsc and isci).  The two qla2xxx are initialisation problems that
  cause MSI-X failures and card misdetection, the isci erroneous macro
  is actually illegal C that's causing a miscompile with certain gcc
  versions and the be2iscsi bad if expression is a static checker fix"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] storvsc: NULL pointer dereference fix
  [SCSI] qla2xxx: Poll during initialization for ISP25xx and ISP83xx
  [SCSI] isci: correct erroneous for_each_isci_host macro
  [SCSI] isci: fix reset timeout handling
  [SCSI] be2iscsi: fix bad if expression
  [SCSI] qla2xxx: Fix multiqueue MSI-X registration.
2014-03-15 12:41:53 -07:00
David S. Miller
ee7d07e794 Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:

====================
Please pull these last(?) few wireless bits intended for the 3.14
stream.  Each is here to address a problem found with a patch already
merged...

Dave Jones gives us a memory leak fix, for an error path in brcmfmac.

Felix Fietkau moves a small delay to make it actually reachable.

Helmut Schaa fixes an ath9k sequence numbering problem for non-data
frames.

Stanislaw Gruszka reverts an earlier fix that was found to cause
random connection drops on RT5390 PCI adapters
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:50:25 -04:00
Sebastian Hesselbarth
32fc3fd41a net: phy: fix uninitalized ethtool_wolinfo in phy_suspend
Callers of phy_ethtool_get_wol are supposed to provide a properly
cleared struct ethtool_wolinfo. Therefore, fix phy_suspend to clear
it before passing it to phy_ethtool_get_wol.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:38:54 -04:00
Joe Perches
fcad3e6b57 MAINTAINERS: Add linux.nics@intel.com to INTEL ETHERNET DRIVERS
If this is added to the driver files, then maybe it's
appropriate to add to MAINTAINERS as well.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:36:49 -04:00
Linus Torvalds
a4ecdf82f8 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "Two x86 fixes: Suresh's eager FPU fix, and a fix to the NUMA quirk for
  AMD northbridges.

  This only includes Suresh's fix patch, not the "mostly a cleanup"
  patch which had __init issues"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/amd/numa: Fix northbridge quirk to assign correct NUMA node
  x86, fpu: Check tsk_used_math() in kernel_fpu_end() for eager FPU
2014-03-14 18:07:51 -07:00
Linus Torvalds
cee152ff8a ACPI and power management fixes for 3.14-rc7
- A recent ACPI resources handling fix overlooked the fact that it had
    to update the ACPI PNP subsystem's resources parsing too and caused
    confusing warning messages to be printed during system intialization
    on some systems (with arguably buggy ACPI tables).  Fix from Zhang Rui.
 
  - Moving the early ACPI initialization before timekeeping_init() earlier
    in this cycle broke fast TSC calibration on at least one system, so it
    needs to be done later, but still before efi_enter_virtual_mode() to
    allow the EFI initialization to refer to ACPI.
 
  - A change related to code duplication reduction in the cpufreq core
    inadvertently caused cpufreq intialization to fail for some CPUs
    handled by intel_pstate by adding checks that may fail for that
    driver, but aren't even necessary when it is used.  The issue is
    addressed by preventing those checks from run in the configurations
    in which they aren't needed.
 
  - If the Hardware Reduced ACPI flag is set in the ACPI tables, system
    suspend, hibernation and ACPI power off will only work when special
    sleep control and sleep status registeres are provided (their
    addresses in the ACPI tables are not zero).  If those registers are
    not available, the features in question have no chances to work,
    so they shouldn't even be regarded as supported.  That helps with
    power off in particular, because alternative power off methods may
    be used then and they may actually work.
 
 /
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Merge tag 'pm+acpi-3.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "Three of these are regression fixes, for two recent regressions and
  one introduced during the 3.13 cycle, and the fourth one is a working
  version of the fix that had to be reverted last time.

  Specifics:

   - A recent ACPI resources handling fix overlooked the fact that it
     had to update the ACPI PNP subsystem's resources parsing too and
     caused confusing warning messages to be printed during system
     intialization on some systems (with arguably buggy ACPI tables).
     Fix from Zhang Rui.

   - Moving the early ACPI initialization before timekeeping_init()
     earlier in this cycle broke fast TSC calibration on at least one
     system, so it needs to be done later, but still before
     efi_enter_virtual_mode() to allow the EFI initialization to refer
     to ACPI.

   - A change related to code duplication reduction in the cpufreq core
     inadvertently caused cpufreq intialization to fail for some CPUs
     handled by intel_pstate by adding checks that may fail for that
     driver, but aren't even necessary when it is used.  The issue is
     addressed by preventing those checks from run in the configurations
     in which they aren't needed.

   - If the Hardware Reduced ACPI flag is set in the ACPI tables, system
     suspend, hibernation and ACPI power off will only work when special
     sleep control and sleep status registeres are provided (their
     addresses in the ACPI tables are not zero).  If those registers are
     not available, the features in question have no chances to work, so
     they shouldn't even be regarded as supported.  That helps with
     power off in particular, because alternative power off methods may
     be used then and they may actually work"

* tag 'pm+acpi-3.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / sleep: Add extra checks for HW Reduced ACPI mode sleep states
  ACPI / init: Invoke early ACPI initialization later
  cpufreq: Skip current frequency initialization for ->setpolicy drivers
  PNP / ACPI: proper handling of ACPI IO/Memory resource parsing failures
2014-03-14 18:02:02 -07:00
Linus Torvalds
0c01b45257 Two small fixes for the DM cache target:
- fix corruption with >2TB fast device due to truncation bug
 - fix access beyond end of origin device due to a partial block
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Merge tag 'dm-3.14-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device-mapper fixes form Mike Snitzer:
 "Two small fixes for the DM cache target:

   - fix corruption with >2TB fast device due to truncation bug
   - fix access beyond end of origin device due to a partial block"

* tag 'dm-3.14-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: fix access beyond end of origin device
  dm cache: fix truncation bug when copying a block to/from >2TB fast device
2014-03-14 18:01:23 -07:00
Colin Ian King
7f02c46305 MIPS: Octeon: Fix fall through on bar type OCTEON_DMA_BAR_TYPE_SMALL
Bar type OCTEON_DMA_BAR_TYPE_SMALL assigns lo and hi addresses and
then falls through to OCTEON_DMA_BAR_TYPE_BIG that re-assignes lo and
hi addresses with totally different values. Add a break so we don't
fall through.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/6529/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-15 00:46:23 +01:00
John W. Linville
8c35743fdc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2014-03-14 14:09:47 -04:00
Huacai Chen
b616365e6d MIPS: FPU: Fix conflict of register usage
In _restore_fp_context/_restore_fp_context32, t0 is used for both
CP0_Status and CP1_FCSR. This is a mistake and cause FP exeception on
boot, so fix it.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Andreas Barth <aba@ayous.org>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/6507/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-03-14 17:49:23 +01:00