Commit Graph

331519 Commits

Author SHA1 Message Date
Michal Simek 88d23b4462 microblaze: Added fdt chosen capability for timer
This lets a dts author flag a particular timer in the system as the system timer.
If the chosen node contains a "system-timer=<&foo>" entry than that handle will
be used to determine the system timer. In no such entry exists then the first
found timer will be used (current behaviour).

Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-10-04 14:29:15 +02:00
Michal Simek 9998517a27 microblaze: Add support for ioreadXX/iowriteXX_rep
Reuse versions from asm-generic functions.

Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-10-04 14:23:47 +02:00
Stephan Linz 191d5eca24 microblaze: Improve failure handling for GPIO reset
Early exit from of_platform_reset_gpio_probe() if there
was no GPIO reset line configured.

Avoid kernel oops in gpio_system_reset():

[   27.413294] Restarting system.
[   27.415674] Machine restart...
[   27.418787] Oops: kernel access of bad area, sig: 11
[   27.423252]  Registers dump: mode=83871D1C
[   27.427428]  r1=00000000, r2=00000000, r3=FFFFFEF8, r4=00000000
[   27.433310]  r5=C026AED0, r6=00000001, r7=00000068, r8=00000000
[   27.439189]  r9=C3871DAC, r10=000011A5, r11=00000000, r12=0000000A
[   27.445318]  r13=00000000, r14=0000000F, r15=C00029BC, r16=00000000
[   27.451558]  r17=C011DE8C, r18=80000115, r19=0000000F, r20=48184ED8
[   27.457770]  r21=00000000, r22=FFFFFFEA, r23=00000001, r24=FEE1DEAD
[   27.463982]  r25=00000054, r26=1000B1C8, r27=00000000, r28=00000000
[   27.470208]  r29=00000000, r30=00000000, r31=C32D30C0, rPC=C011DE8C
[   27.476433]  msr=000042A2, ear=0000004B, esr=00000872, fsr=342E3732

And remove useless dump_stack from machine_restart.

Signed-off-by: Stephan Linz <linz@li-pro.net>
Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-10-04 14:23:42 +02:00
Paul Bolle 3676d24a8e microblaze: clinkage.h
Nothing includes <asm/clinkage.h>. It has actually never been included
since it was added to the tree in commit
9981cd94d5 ("microblaze_v8: clinkage.h
linkage.h sections.h kmap_types.h"). That's not surprising, since
including it is indistinguishable from including <linux/linkage.h>. It
can safely be removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2012-10-04 14:11:07 +02:00
David Howells 1c1e436269 UAPI: Split compound conditionals containing __KERNEL__ in Arm64
Split compound conditionals containing __KERNEL__ in Arm64 where possible to
make it easier for the UAPI disintegration scripts to handle them.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-04 12:10:18 +01:00
David Howells 890139529d UAPI: Fix the guards on various asm/unistd.h files
asm-generic/unistd.h and a number of asm/unistd.h files have been given
reinclusion guards that allow the guard to be overridden if __SYSCALL is
defined.  Unfortunately, these files define __SYSCALL and don't undefine it
when they've finished with it, thus rendering the guard ineffective.

The reason for this override is to allow the file to be #included multiple
times with different settings on __SYSCALL for purposes like generating syscall
tables.

The following guards are problematic:

arch/arm64/include/asm/unistd.h:#if !defined(__ASM_UNISTD_H) || defined(__SYSCALL)
arch/arm64/include/asm/unistd32.h:#if !defined(__ASM_UNISTD32_H) || defined(__SYSCALL)
arch/c6x/include/asm/unistd.h:#if !defined(_ASM_C6X_UNISTD_H) || defined(__SYSCALL)
arch/hexagon/include/asm/unistd.h:#if !defined(_ASM_HEXAGON_UNISTD_H) || defined(__SYSCALL)
arch/openrisc/include/asm/unistd.h:#if !defined(__ASM_OPENRISC_UNISTD_H) || defined(__SYSCALL)
arch/score/include/asm/unistd.h:#if !defined(_ASM_SCORE_UNISTD_H) || defined(__SYSCALL)
arch/tile/include/asm/unistd.h:#if !defined(_ASM_TILE_UNISTD_H) || defined(__SYSCALL)
arch/unicore32/include/asm/unistd.h:#if !defined(__UNICORE_UNISTD_H__) || defined(__SYSCALL)
include/asm-generic/unistd.h:#if !defined(_ASM_GENERIC_UNISTD_H) || defined(__SYSCALL)

On the assumption that the guards' ineffectiveness has passed unnoticed, just
remove these guards entirely.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-04 12:10:18 +01:00
Jussi Kivilinna c9f97a27ce crypto: x86/glue_helper - fix storing of new IV in CBC encryption
Glue_helper incorrectly XORs new IV over old IV at end of CBC encryption
function when it should store. This causes CBC encryption to give
incorrect output on multi-page encryption requests.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-10-04 17:45:29 +08:00
Anton Blanchard d900bd7366 powerpc/iommu: Fix multiple issues with IOMMU pools code
There are a number of issues in the recent IOMMU pools code:

- On a preempt kernel we might switch CPUs in the middle of building
  a scatter gather list. When this happens the handle hint passed in
  no longer falls within the local CPU's pool. Check for this and
  fall back to the pool hint.

- We were missing a spin_unlock/spin_lock in one spot where we
  switch pools.

- We need to provide locking around dart_tlb_invalidate_all and
  dart_tlb_invalidate_one now that the global lock is gone.

Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@kernel.org> [v3.6]
2012-10-04 18:03:20 +10:00
Nishanth Aravamudan c8adfeccee powerpc: Fix VMX fix for memcpy case
In 2fae7cdb60 ("powerpc: Fix VMX in
interrupt check in POWER7 copy loops"), Anton inadvertently
introduced a regression for memcpy on POWER7 machines. copyuser and
memcpy diverge slightly in their use of cr1 (copyuser doesn't use it,
but memcpy does) and you end up clobbering that register with your fix.
That results in (taken from an FC18 kernel):

[   18.824604] Unrecoverable VMX/Altivec Unavailable Exception f20 at c000000000052f40
[   18.824618] Oops: Unrecoverable VMX/Altivec Unavailable Exception, sig: 6 [#1]
[   18.824623] SMP NR_CPUS=1024 NUMA pSeries
[   18.824633] Modules linked in: tg3(+) be2net(+) cxgb4(+) ipr(+) sunrpc xts lrw gf128mul dm_crypt dm_round_robin dm_multipath linear raid10 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx raid1 raid0 scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua squashfs cramfs
[   18.824705] NIP: c000000000052f40 LR: c00000000020b874 CTR: 0000000000000512
[   18.824709] REGS: c000001f1fef7790 TRAP: 0f20   Not tainted  (3.6.0-0.rc6.git0.2.fc18.ppc64)
[   18.824713] MSR: 8000000000009032 <SF,EE,ME,IR,DR,RI>  CR: 4802802e  XER: 20000010
[   18.824726] SOFTE: 0
[   18.824728] CFAR: 0000000000000f20
[   18.824731] TASK = c000000fa7128400[0] 'swapper/24' THREAD: c000000fa7480000 CPU: 24
GPR00: 00000000ffffffc0 c000001f1fef7a10 c00000000164edc0 c000000f9b9a8120
GPR04: c000000f9b9a8124 0000000000001438 0000000000000060 03ffffff064657ee
GPR08: 0000000080000000 0000000000000010 0000000000000020 0000000000000030
GPR12: 0000000028028022 c00000000ff25400 0000000000000001 0000000000000000
GPR16: 0000000000000000 7fffffffffffffff c0000000016b2180 c00000000156a500
GPR20: c000000f968c7a90 c0000000131c31d8 c000001f1fef4000 c000000001561d00
GPR24: 000000000000000a 0000000000000000 0000000000000001 0000000000000012
GPR28: c000000fa5c04f80 00000000000008bc c0000000015c0a28 000000000000022e
[   18.824792] NIP [c000000000052f40] .memcpy_power7+0x5a0/0x7c4
[   18.824797] LR [c00000000020b874] .pcpu_free_area+0x174/0x2d0
[   18.824800] Call Trace:
[   18.824803] [c000001f1fef7a10] [c000000000052c14] .memcpy_power7+0x274/0x7c4 (unreliable)
[   18.824809] [c000001f1fef7b10] [c00000000020b874] .pcpu_free_area+0x174/0x2d0
[   18.824813] [c000001f1fef7bb0] [c00000000020ba88] .free_percpu+0xb8/0x1b0
[   18.824819] [c000001f1fef7c50] [c00000000043d144] .throtl_pd_exit+0x94/0xd0
[   18.824824] [c000001f1fef7cf0] [c00000000043acf8] .blkg_free+0x88/0xe0
[   18.824829] [c000001f1fef7d90] [c00000000018c048] .rcu_process_callbacks+0x2e8/0x8a0
[   18.824835] [c000001f1fef7e90] [c0000000000a8ce8] .__do_softirq+0x158/0x4d0
[   18.824840] [c000001f1fef7f90] [c000000000025ecc] .call_do_softirq+0x14/0x24
[   18.824845] [c000000fa7483650] [c000000000010e80] .do_softirq+0x160/0x1a0
[   18.824850] [c000000fa74836f0] [c0000000000a94a4] .irq_exit+0xf4/0x120
[   18.824854] [c000000fa7483780] [c000000000020c44] .timer_interrupt+0x154/0x4d0
[   18.824859] [c000000fa7483830] [c000000000003be0] decrementer_common+0x160/0x180
[   18.824866] --- Exception: 901 at .plpar_hcall_norets+0x84/0xd4
[   18.824866]     LR = .check_and_cede_processor+0x48/0x80
[   18.824871] [c000000fa7483b20] [c00000000007f018] .check_and_cede_processor+0x18/0x80 (unreliable)
[   18.824877] [c000000fa7483b90] [c00000000007f104] .dedicated_cede_loop+0x84/0x150
[   18.824883] [c000000fa7483c50] [c0000000006bc030] .cpuidle_enter+0x30/0x50
[   18.824887] [c000000fa7483cc0] [c0000000006bc9f4] .cpuidle_idle_call+0x104/0x720
[   18.824892] [c000000fa7483d80] [c000000000070af8] .pSeries_idle+0x18/0x40
[   18.824897] [c000000fa7483df0] [c000000000019084] .cpu_idle+0x1a4/0x380
[   18.824902] [c000000fa7483ec0] [c0000000008a4c18] .start_secondary+0x520/0x528
[   18.824907] [c000000fa7483f90] [c0000000000093f0] .start_secondary_prolog+0x10/0x14
[   18.824911] Instruction dump:
[   18.824914] 38840008 90030000 90e30004 38630008 7ca62850 7cc300d0 78c7e102 7cf01120
[   18.824923] 78c60660 39200010 39400020 39600030 <7e00200c> 7c0020ce 38840010 409f001c
[   18.824935] ---[ end trace 0bb95124affaaa45 ]---
[   18.825046] Unrecoverable VMX/Altivec Unavailable Exception f20 at c000000000052d08

I believe the right fix is to make memcpy match usercopy and not use
cr1.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@kernel.org> [v3.6]
2012-10-04 18:02:43 +10:00
Linus Torvalds 612a9aab56 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm merge (part 1) from Dave Airlie:
 "So first of all my tree and uapi stuff has a conflict mess, its my
  fault as the nouveau stuff didn't hit -next as were trying to rebase
  regressions out of it before we merged.

  Highlights:
   - SH mobile modesetting driver and associated helpers
   - some DRM core documentation
   - i915 modesetting rework, haswell hdmi, haswell and vlv fixes, write
     combined pte writing, ilk rc6 support,
   - nouveau: major driver rework into a hw core driver, makes features
     like SLI a lot saner to implement,
   - psb: add eDP/DP support for Cedarview
   - radeon: 2 layer page tables, async VM pte updates, better PLL
     selection for > 2 screens, better ACPI interactions

  The rest is general grab bag of fixes.

  So why part 1? well I have the exynos pull req which came in a bit
  late but was waiting for me to do something they shouldn't have and it
  looks fairly safe, and David Howells has some more header cleanups
  he'd like me to pull, that seem like a good idea, but I'd like to get
  this merge out of the way so -next dosen't get blocked."

Tons of conflicts mostly due to silly include line changes, but mostly
mindless.  A few other small semantic conflicts too, noted from Dave's
pre-merged branch.

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (447 commits)
  drm/nv98/crypt: fix fuc build with latest envyas
  drm/nouveau/devinit: fixup various issues with subdev ctor/init ordering
  drm/nv41/vm: fix and enable use of "real" pciegart
  drm/nv44/vm: fix and enable use of "real" pciegart
  drm/nv04/dmaobj: fixup vm target handling in preparation for nv4x pcie
  drm/nouveau: store supported dma mask in vmmgr
  drm/nvc0/ibus: initial implementation of subdev
  drm/nouveau/therm: add support for fan-control modes
  drm/nouveau/hwmon: rename pwm0* to pmw1* to follow hwmon's rules
  drm/nouveau/therm: calculate the pwm divisor on nv50+
  drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster
  drm/nouveau/therm: move thermal-related functions to the therm subdev
  drm/nouveau/bios: parse the pwm divisor from the perf table
  drm/nouveau/therm: use the EXTDEV table to detect i2c monitoring devices
  drm/nouveau/therm: rework thermal table parsing
  drm/nouveau/gpio: expose the PWM/TOGGLE parameter found in the gpio vbios table
  drm/nouveau: fix pm initialization order
  drm/nouveau/bios: check that fixed tvdac gpio data is valid before using it
  drm/nouveau: log channel debug/error messages from client object rather than drm client
  drm/nouveau: have drm debugging macros build on top of core macros
  ...
2012-10-03 23:29:23 -07:00
Alex Tabachnik 5a33a66949 IB/iser: Add more RX CQs to scale out processing of SCSI responses
RX/TX CQs will now be selected from a per HCA pool.  For the RX flow
this has the effect of using different interrupt vectors when using
low level drivers (such as mlx4) that map the "vector" param provided
by the ULP on CQ creation to a dedicated IRQ/MSI-X vector.  This
allows the RX flow processing of IO responses to be distributed across
multiple CPUs.

QPs (--> iSER sessions) are assigned to CQs in round robin order using
the CQ with the minimum number of sessions attached to it.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 21:26:49 -07:00
Rusty Russell ca16f580a5 lguest: fix occasional crash in example launcher.
We usually got away with ->next on the final entry being NULL, but it
finally bit me.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
2012-10-04 12:12:59 +09:30
David S. Miller c0b8b99287 cxgb4: Fix build error due to missing linux/vmalloc.h include.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-03 20:50:08 -04:00
Linus Torvalds 3a494318b1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull user namespace compile fix from Eric W Biederman:
 "This tree contains a trivial build fix for one of the staging drivers
  when user namespace support is enabled"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  userns: Fix build of drivers/staging/dgrp
2012-10-03 16:09:09 -07:00
Linus Torvalds abb139e75c firmware: teach the kernel to load firmware files directly from the filesystem
This is a first step in allowing people to by-pass udev for loading
device firmware.  Current versions of udev will deadlock (causing us to
block for the 30 second timeout) under some circumstances if the
firmware is loaded as part of the module initialization path, and this
is causing problems for media drivers in particular.

The current patch hardcodes the firmware path that udev uses by default,
and will fall back to the legacy udev mode if the firmware cannot be
found there.  We'd like to add support for both configuring the paths
and the fallback behaviour, but in the meantime this hopefully fixes the
immediate problem, while also giving us a way forward.

[ v2: Some VFS layer interface cleanups suggested by Al Viro ]
[ v3: use the default udev paths suggested by Kay Sievers ]

Suggested-by: Ivan Kalvachev <ikalvachev@gmail.com>
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Kay Sievers <kay@redhat.com>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-03 15:58:32 -07:00
Mark Salter 37d11ab8b4 c6x: make dsk6455 the default config
C6X had no defconfig, so DSK6455 is as good as any.

Signed-off-by: Mark Salter <msalter@redhat.com>
2012-10-03 17:39:12 -04:00
Tatyana Nikolova cf9fd75cbc RDMA/nes: Bump the version number of nes driver
Bumpthe version of the nes driver to reflect recent fixes.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:59 -07:00
Tatyana Nikolova a378e3a3fb RDMA/nes: Remove unused module parameter "send_first"
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:59 -07:00
Tatyana Nikolova a67b078cf6 RDMA/nes: Remove unnecessary if-else statement
Remove unnecessary if-else statement -- we do the same thing either way.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:58 -07:00
Tatyana Nikolova d5fb476a10 RDMA/nes: Add missing break to switch.
Static code analyzer cppcheck points out a missing break.

Reported-by: David Binderman <dcb314@hotmail.com>
Addresses: <https://bugzilla.kernel.org/show_bug.cgi?id=47671>
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:58 -07:00
Jack Morgenstein 60396683fe mlx4_core: Adjust flow steering attach wrapper so that IB works on SR-IOV VFs
Currently, the InfiniBand stack does not support flow steering at the
verbs level -- the only usage of flow steering in the IB driver is for
L2 multicast attaches.  We need to add the IB case to procedure
mlx4_QP_FLOW_STEERING_ATTACH_wrapper() to allow IPoIB to work on VFs
on ConnectX-3 when flow steering is enabled.

Currently, the IB case in mlx4_QP_FLOW_STEERING_ATTACH_wrapper() is missing,
so the procedure returns -EINVAL and IPoIB on VFs breaks.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:11:20 -07:00
Linus Torvalds df5a2a1fbc - feed GUIDs of FireWire nodes to the random pool
- more complete quirk handling of a TI S400B phy
   - avoid holding a core lock while calling into highlevel drivers
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Stefan Richter:
  - feed GUIDs of FireWire nodes to the random pool
  - more complete quirk handling of a TI S400B phy
  - avoid holding a core lock while calling into highlevel drivers

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: addendum to address handler RCU conversion
  firewire: remove global lock around address handlers, convert to RCU
  firewire: ohci: get IR bit from TSB41BA3D phy
  firewire: core: feed /dev/random with devices' GUIDs
2012-10-03 13:55:12 -07:00
Linus Torvalds 9b2e077c42 Prepared for main script
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Merge tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers

Pull preparatory patches for user API disintegration from David Howells:
 "The patches herein prepare for the extraction of the Userspace API
  bits from the various header files named in the Kbuild files.

  New subdirectories are created under either include/uapi/ or
  arch/x/include/uapi/ that correspond to the subdirectory containing
  that file under include/ or arch/x/include/.

  The new subdirs under the uapi/ directory are populated with Kbuild
  files that mostly do nothing at this time.  Further patches will
  disintegrate the headers in each original directory and fill in the
  Kbuild files as they do it.

  These patches also:

   (1) fix up #inclusions of "foo.h" rather than <foo.h>.

   (2) Remove some redundant #includes from the DRM code.

   (3) Make the kernel build infrastructure handle Kbuild files both in
       the old places and the new UAPI place that both specify headers
       to be exported.

   (4) Fix some kernel tools that #include kernel headers during their
       build.

  I have compile tested this with allyesconfig against x86_64,
  allmodconfig against i386 and a scattering of additional defconfigs of
  other arches.  Prepared for main script

  Signed-off-by: David Howells <dhowells@redhat.com>
  Acked-by: Arnd Bergmann <arnd@arndb.de>
  Acked-by: Thomas Gleixner <tglx@linutronix.de>
  Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
  Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
  Acked-by: Dave Jones <davej@redhat.com>
  Acked-by: H. Peter Anvin <hpa@zytor.com>"

* tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: Plumb the UAPI Kbuilds into the user header installation and checking
  UAPI: x86: Differentiate the generated UAPI and internal headers
  UAPI: Remove the objhdr-y export list
  UAPI: Move linux/version.h
  UAPI: Set up uapi/asm/Kbuild.asm
  UAPI: x86: Fix insn_sanity build failure after UAPI split
  UAPI: x86: Fix the test_get_len tool
  UAPI: (Scripted) Set up UAPI Kbuild files
  UAPI: Partition the header include path sets and add uapi/ header directories
  UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers
  UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
  UAPI: (Scripted) Remove redundant DRM UAPI header #inclusions from drivers/gpu/.
  UAPI: Refer to the DRM UAPI headers with <...> and from certain headers only
2012-10-03 13:45:43 -07:00
Yuval Mintz 065f8b9210 bnx2x: fix ring size for 10G functions
Commit d760fc37b0 caused
1G functions to allocate rx rings which were 1/10 of the
size of 10G functions' rx rings.

However, it also caused 10G functions on 5771x boards to
allocate small rings, which limits their possible (default)
rx throughput. This patch causes all 10G functions to use
rings of intended length by default.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-03 16:34:15 -04:00
Vipul Pandya 8c357ebd56 cxgb4: Dynamically allocate memory in t4_memory_rw() and get_vpd_params()
This patch changes memory allocation to reduce stack footprint

Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-03 16:34:15 -04:00
Stefano Stabellini 4ed5978bdd xen/xen_initial_domain: check that xen_start_info is initialized
Since commit commit 4c071ee526 ("arm:
initial Xen support") PV on HVM guests can be xen_initial_domain.
However PV on HVM guests might have an unitialized xen_start_info, so
check before accessing its fields.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-03 13:03:32 -04:00
Eric W. Biederman 702e490211 userns: Fix build of drivers/staging/dgrp
Explicitly test for GLOBAL_ROOT_UID and GLOBAL_ROOT_GID
instead of using 0, allowing dgrp to compile and work
properly when user namespace support is enabled.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-10-03 09:52:08 -07:00
Linus Torvalds a54dfb1a84 Devicetree updates for 3.7
- Import of latest upstream device tree compiler (dtc)
 - New function of_get_child_by_name
 - Support for #size-cells of 0 and #addr-cells of >2
 - Couple of DT binding documentation updates
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Merge tag 'dt-for-3.7' of git://sources.calxeda.com/kernel/linux

Pull devicetree updates from Rob Herring:
 - Import of latest upstream device tree compiler (dtc)
 - New function of_get_child_by_name
 - Support for #size-cells of 0 and #addr-cells of >2
 - Couple of DT binding documentation updates

Fix up trivial conflicts due to of_get_child_by_name() having been added
next to the new of_get_next_available_child().

* tag 'dt-for-3.7' of git://sources.calxeda.com/kernel/linux:
  MAINTAINERS: add scripts/dtc under Devicetree maintainers
  dtc: import latest upstream dtc
  dt: Document general interrupt controller bindings
  dt/s3c64xx/spi: Use of_get_child_by_name to get a named child
  dt: introduce of_get_child_by_name to get child node by name
  of: i2c: add support for wakeup-source property
  of/address: Handle #address-cells > 2 specially
  DT: export of_irq_to_resource_table()
  devicetree: serial: Add documentation for imx serial
  devicetree: pwm: mxs-pwm.txt: Fix reg field annotation
  of: Allow busses with #size-cells=0
2012-10-03 09:44:08 -07:00
Linus Torvalds eb0ad9c06d JFS TRIM support and some minor fixes
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Merge tag 'jfs-3.7' of git://github.com/kleikamp/linux-shaggy

Pull JFS update from Dave Kleikamp:
 "JFS TRIM support and some minor fixes"

* tag 'jfs-3.7' of git://github.com/kleikamp/linux-shaggy:
  jfs: Fix do_div precision in commit b40c2e66
  JFS: use list_move instead of list_del/list_add
  jfs: Remove obsolete email address
  fs/jfs: TRIM support for JFS Filesystem
2012-10-03 08:48:21 -07:00
joshua.a.hay@intel.com df376f0de1 ixgbe: add support for X540-AT1
This patch adds device support for Ethernet Controller X540-AT1.

Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:38:30 -07:00
Emil Tantilov 4a97df0bfa ixgbe: fix poll loop for FDIRCTRL.INIT_DONE bit
The loop in ixgbe_reinit_fdir_tables_82599() only polls for up to 100us
resulting in failures to update the FDIR filter table at 1Gbps and 10Gbps
when under load.

The poll times for FDIRCTRL.INIT_DONE are 55us, 550us and 5.5ms for 10Gbps,
1Gbps and 100Mbps respectively.

This patch sets the wait time to be the same as in ixgbe_fdir_enable_82599()

Reported-by: Bhushan <shashi-sm@users.sf.net>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:36:11 -07:00
Jacob Keller 1cc92eb871 ixgbe: fix PTP ethtool timestamping function
This patch fixes a development issue that occurred due to invalid modes reported
in the ethtool get_ts_info function. The issue is resolved by removing
unsupported modes from the Rx supported list.

CC: stable <stable@vger.kernel.org> [3.5]
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:35:00 -07:00
Jacob Keller db0677fa29 ixgbe: (PTP) Fix PPS interrupt code
Driver was enabling PPS interrupt even when user wasn't enabling it via the
ptp core. This patch fixes the PPS so that it is only enabled explicitly, and
moves the interrupt enabling code into the correct location in the driver

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Stable <stable@vger.kernel.org> [3.5]
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 07:57:04 -07:00
Jacob Keller 8208367371 ixgbe: Fix PTP X540 SDP alignment code for PPS signal
This patch fixes a bug in the method used for calculating the trigger
alignment for SDP0 when enabling a PPS output on the X540. The alignment math
wasn't properly taking into account the overflow cyclecounter, and was
misaligning the pin triggers so that two X540 devices synced properly had
mis-aligned SDP pins. This patch fixes the math to calculate the correct
seconds alignment for the PPS signal.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 07:47:46 -07:00
Matt Fleming 1f7df953d6 MAINTAINERS: Add EFI maintainer entry
We're starting to need a channel through which we can funnel EFI
patches to make sure they get merged in a timely fashion. Matthew and
Peter seem happy enough for me to take that bullet.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-03 07:38:13 -07:00
Linus Torvalds b463036ad7 CRIS changes for 3.7
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Merge tag 'cris-for-linus-3.7' of git://jni.nu/cris

Pull CRIS changes from Jesper Nilsson:
 "Removal of some unused code from the CRIS port"

* tag 'cris-for-linus-3.7' of git://jni.nu/cris:
  CRIS: Remove VCS simulator specific code
  cris/PCI: remove pcibios_assign_resources()
2012-10-03 07:36:36 -07:00
Linus Torvalds a06cb1ae3c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
 "Some quick fixes after today's merge-window pull"

 1) Add missing dependency on Sparc DES driver, oops.  From Dave Jones.

 2) Tell GCC that prom_printf() is printf-like and fix the few
    resultiing warnings.  From Akinobu Mita.

 3) Niagara-2 memcpy doesn't provide it's return value correctly in some
    circumstances.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: fix format string argument for prom_printf()
  crypto: Build SPARC DES algorithms on SPARC only.
  sparc64: Fix return value of Niagara-2 memcpy.
2012-10-03 07:33:17 -07:00
Jesper Nilsson d75d806cbb CRIS: Remove VCS simulator specific code
The VCS simulator was a tool used in the development of the chip
and is no longer used or necessary.

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2012-10-03 09:57:01 +02:00
Bjorn Helgaas 227c6fc296 cris/PCI: remove pcibios_assign_resources()
There's no caller of pcibios_assign_resources() in the tree.  It is
exported, so an out-of-tree module *could* call it, but no other arch
exports pcibios_assign_resources(), so it would have to be a CRIS-specific
module.  I doubt such a caller exists.

CC: Mikael Starvik <starvik@axis.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2012-10-03 09:56:42 +02:00
Pekka Enberg e2087be35a Merge branch 'slab/tracing' into slab/for-linus 2012-10-03 09:57:17 +03:00
Pekka Enberg f4178cdddd Merge branch 'slab/common-for-cgroups' into slab/for-linus
Fix up a trivial conflict with NUMA_NO_NODE cleanups.

Conflicts:
	mm/slob.c

Signed-off-by: Pekka Enberg <penberg@kernel.org>
2012-10-03 09:56:37 +03:00
Pekka Enberg 023dc70470 Merge branch 'slab/next' into slab/for-linus 2012-10-03 09:56:12 +03:00
Tetsuo Handa 608da7e3fc slab: Fix build failure in __kmem_cache_create()
Fix build failure with CONFIG_DEBUG_SLAB=y && CONFIG_DEBUG_PAGEALLOC=y caused
by commit 8a13a4cc "mm/sl[aou]b: Shrink __kmem_cache_create() parameter lists".

mm/slab.c: In function '__kmem_cache_create':
mm/slab.c:2474: error: 'align' undeclared (first use in this function)
mm/slab.c:2474: error: (Each undeclared identifier is reported only once
mm/slab.c:2474: error: for each function it appears in.)
make[1]: *** [mm/slab.o] Error 1
make: *** [mm] Error 2

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
2012-10-03 09:53:34 +03:00
Fengguang Wu 788e1aadad slub: init_kmem_cache_cpus() and put_cpu_partial() can be static
Acked-by: Glauber Costa <glommer@parallels.com>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
2012-10-03 09:48:41 +03:00
Linus Torvalds 56d92aa5cf Features:
* When hotplugging PCI devices in a PV guest we can allocate Xen-SWIOTLB later.
  * Cleanup Xen SWIOTLB.
  * Support pages out grants from HVM domains in the backends.
  * Support wild cards in xen-pciback.hide=(BDF) arguments.
  * Update grant status updates with upstream hypervisor.
  * Boot PV guests with more than 128GB.
  * Cleanup Xen MMU code/add comments.
  * Obtain XENVERS using a preferred method.
  * Lay out generic changes to support Xen ARM.
  * Allow privcmd ioctl for HVM (used to do only PV).
  * Do v2 of mmap_batch for privcmd ioctls.
  * If hypervisor saves the LED keyboard light - we will now instruct the kernel
    about its state.
 Fixes:
  * More fixes to Xen PCI backend for various calls/FLR/etc.
  * With more than 4GB in a 64-bit PV guest disable native SWIOTLB.
  * Fix up smatch warnings.
  * Fix up various return values in privmcmd and mm.
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Merge tag 'stable/for-linus-3.7-x86-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen update from Konrad Rzeszutek Wilk:
 "Features:
   - When hotplugging PCI devices in a PV guest we can allocate
     Xen-SWIOTLB later.
   - Cleanup Xen SWIOTLB.
   - Support pages out grants from HVM domains in the backends.
   - Support wild cards in xen-pciback.hide=(BDF) arguments.
   - Update grant status updates with upstream hypervisor.
   - Boot PV guests with more than 128GB.
   - Cleanup Xen MMU code/add comments.
   - Obtain XENVERS using a preferred method.
   - Lay out generic changes to support Xen ARM.
   - Allow privcmd ioctl for HVM (used to do only PV).
   - Do v2 of mmap_batch for privcmd ioctls.
   - If hypervisor saves the LED keyboard light - we will now instruct
     the kernel about its state.
  Fixes:
   - More fixes to Xen PCI backend for various calls/FLR/etc.
   - With more than 4GB in a 64-bit PV guest disable native SWIOTLB.
   - Fix up smatch warnings.
   - Fix up various return values in privmcmd and mm."

* tag 'stable/for-linus-3.7-x86-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (48 commits)
  xen/pciback: Restore the PCI config space after an FLR.
  xen-pciback: properly clean up after calling pcistub_device_find()
  xen/vga: add the xen EFI video mode support
  xen/x86: retrieve keyboard shift status flags from hypervisor.
  xen/gndev: Xen backend support for paged out grant targets V4.
  xen-pciback: support wild cards in slot specifications
  xen/swiotlb: Fix compile warnings when using plain integer instead of NULL pointer.
  xen/swiotlb: Remove functions not needed anymore.
  xen/pcifront: Use Xen-SWIOTLB when initting if required.
  xen/swiotlb: For early initialization, return zero on success.
  xen/swiotlb: Use the swiotlb_late_init_with_tbl to init Xen-SWIOTLB late when PV PCI is used.
  xen/swiotlb: Move the error strings to its own function.
  xen/swiotlb: Move the nr_tbl determination in its own function.
  xen/arm: compile and run xenbus
  xen: resynchronise grant table status codes with upstream
  xen/privcmd: return -EFAULT on error
  xen/privcmd: Fix mmap batch ioctl error status copy back.
  xen/privcmd: add PRIVCMD_MMAPBATCH_V2 ioctl
  xen/mm: return more precise error from xen_remap_domain_range()
  xen/mmu: If the revector fails, don't attempt to revector anything else.
  ...
2012-10-02 22:09:10 -07:00
Linus Torvalds 33c2a17412 Features:
* Support exlusive get if backend is capable.
 Bug-fixes:
  * Fix compile warnings
  * Add comments/cleanup doc
  * Fix wrong if condition
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Merge tag 'stable/for-linus-3.7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm

Pull frontswap update from Konrad Rzeszutek Wilk:
 "Features:
   - Support exlusive get if backend is capable.
  Bug-fixes:
   - Fix compile warnings
   - Add comments/cleanup doc
   - Fix wrong if condition"

* tag 'stable/for-linus-3.7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm:
  frontswap: support exclusive gets if tmem backend is capable
  mm: frontswap: fix a wrong if condition in frontswap_shrink
  mm/frontswap: fix uninit'ed variable warning
  mm/frontswap: cleanup doc and comment error
  mm: frontswap: remove unneeded headers
2012-10-02 22:08:14 -07:00
Linus Torvalds 88265322c1 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
 "Highlights:

   - Integrity: add local fs integrity verification to detect offline
     attacks
   - Integrity: add digital signature verification
   - Simple stacking of Yama with other LSMs (per LSS discussions)
   - IBM vTPM support on ppc64
   - Add new driver for Infineon I2C TIS TPM
   - Smack: add rule revocation for subject labels"

Fixed conflicts with the user namespace support in kernel/auditsc.c and
security/integrity/ima/ima_policy.c.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (39 commits)
  Documentation: Update git repository URL for Smack userland tools
  ima: change flags container data type
  Smack: setprocattr memory leak fix
  Smack: implement revoking all rules for a subject label
  Smack: remove task_wait() hook.
  ima: audit log hashes
  ima: generic IMA action flag handling
  ima: rename ima_must_appraise_or_measure
  audit: export audit_log_task_info
  tpm: fix tpm_acpi sparse warning on different address spaces
  samples/seccomp: fix 31 bit build on s390
  ima: digital signature verification support
  ima: add support for different security.ima data types
  ima: add ima_inode_setxattr/removexattr function and calls
  ima: add inode_post_setattr call
  ima: replace iint spinblock with rwlock/read_lock
  ima: allocating iint improvements
  ima: add appraise action keywords and default rules
  ima: integrity appraisal extension
  vfs: move ima_file_free before releasing the file
  ...
2012-10-02 21:38:48 -07:00
Roland Dreier 71d9c5f9e6 IPoIB: Fix build with CONFIG_INFINIBAND_IPOIB_CM=n
With the new netlink support in commit 862096a8bb ("IB/ipoib: Add more
rtnl_link_ops callbacks") we need ipoib_set_mode() to be available even
if connected mode isn't built.  Move the function from ipoib_cm.c to
ipoib_main.c (and make a few CM-related macros available unconditonally).

This fixes the build error

    drivers/built-in.o: In function 'ipoib_changelink':
    ipoib_netlink.c:(.text+0x6a5fc9): undefined reference to 'ipoib_set_mode'
    ipoib_netlink.c:(.text+0x6a5fe3): undefined reference to 'ipoib_set_mode'

when CONFIG_INFINIBAND_IPOIB_CM isn't set.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Reported-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-02 21:33:41 -07:00
Linus Torvalds 65b99c74fd The main change is the way we reserve eraseblocks for bad blocks
handling. We used to reserve 2% of the partition, but now we are
 more aggressive and we reserve 2% of the entire chip, which is
 what actually manufacturers specify in data sheets. We introduced
 an option to users to override the default, though.
 
 There are a couple of fixes as well, and a number of cleanups.
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Merge tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubi

Pull UBI changes from Artem Bityutskiy:
 "The main change is the way we reserve eraseblocks for bad blocks
  handling.  We used to reserve 2% of the partition, but now we are more
  aggressive and we reserve 2% of the entire chip, which is what
  actually manufacturers specify in data sheets.  We introduced an
  option to users to override the default, though.

  There are a couple of fixes as well, and a number of cleanups."

* tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubi: (24 commits)
  UBI: fix trivial typo 'it' => 'is'
  UBI: load after mtd device drivers
  UBI: print less
  UBI: use pr_ helper instead of printk
  UBI: comply with coding style
  UBI: erase free PEB with bitflip in EC header
  UBI: fix autoresize handling in R/O mode
  UBI: add max_beb_per1024 to attach ioctl
  UBI: allow specifying bad PEBs limit using module parameter
  UBI: check max_beb_per1024 value in ubi_attach_mtd_dev
  UBI: prepare for max_beb_per1024 module parameter addition
  UBI: introduce MTD_PARAM_MAX_COUNT
  UBI: separate bad_peb_limit in a function
  arm: sam9_l9260_defconfig: correct CONFIG_MTD_UBI_BEB_LIMIT
  UBI: use the whole MTD device size to get bad_peb_limit
  mtd: mtdparts: introduce mtd_get_device_size
  mtd: mark mtd_is_partition argument as constant
  arm: sam9_l9260_defconfig: remove non-existing config option
  UBI: kill CONFIG_MTD_UBI_BEB_RESERVE
  UBI: limit amount of reserved eraseblocks for bad PEB handling
  ...
2012-10-02 20:49:15 -07:00
Linus Torvalds 782c3fb22b No big changes for 3.7 in UBIFS:
* Error reporting and debug printing improvements
 * Power cut emulation fixes
 * Minor cleanups
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Merge tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubifs

Pull ubifs changes from Artem Bityutskiy:
 "No big changes for 3.7 in UBIFS:
   - Error reporting and debug printing improvements
   - Power cut emulation fixes
   - Minor cleanups"

Fix trivial conflict in fs/ubifs/debug.c due to the user namespace
changes.

* tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubifs:
  UBIFS: print less
  UBIFS: use pr_ helper instead of printk
  UBIFS: comply with coding style
  UBIFS: use __aligned() attribute
  UBIFS: remove __DATE__ and __TIME__
  UBIFS: fix power cut emulation for mtdram
  UBIFS: improve scanning debug output
  UBIFS: always print full error reports
  UBIFS: print PID in debug messages
2012-10-02 20:47:48 -07:00