Commit Graph

334362 Commits

Author SHA1 Message Date
Jason Wessel
42c1221314 kgdb,x86: fix warning about unused variable
When compiling without CONFIG_DEBUG_RODATA the following
compiler warning is generated:

arch/x86/kernel/kgdb.c: In function 'kgdb_arch_set_breakpoint':
arch/x86/kernel/kgdb.c:749: warning: unused variable 'opc'

The variable instantiation needs to be inside the #ifdef to
make the warning go away.

Reported-by: Thiago Rafael Becker <trbecker@trbecker.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-10-12 06:37:34 -05:00
Jason Wessel
f0a996eeed mips,kgdb: fix recursive page fault with CONFIG_KPROBES
This fault was detected using the kgdb test suite on boot and it
crashes recursively due to the fact that CONFIG_KPROBES on mips adds
an extra die notifier in the page fault handler.  The crash signature
looks like this:

kgdbts:RUN bad memory access test
KGDB: re-enter exception: ALL breakpoints killed
Call Trace:
[<807b7548>] dump_stack+0x20/0x54
[<807b7548>] dump_stack+0x20/0x54

The fix for now is to have kgdb return immediately if the fault type
is DIE_PAGE_FAULT and allow the kprobe code to decide what is supposed
to happen.

Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-10-12 06:37:34 -05:00
Jason Wessel
f30fed10c4 kgdb: Add module event hooks
Allow gdb to auto load kernel modules when it is attached,
which makes it trivially easy to debug module init functions
or pre-set breakpoints in a kernel module that has not loaded yet.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-10-12 06:37:33 -05:00
Ingo Molnar
c1f8d901d8 Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU fixes from Paul E. McKenney.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-12 09:39:08 +02:00
Jeff Layton
8e377d1507 vfs: unexport getname and putname symbols
I see no callers in module code.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:09 -04:00
Jeff Layton
cfd4da1755 acct: constify the name arg to acct_on
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:03 -04:00
Jeff Layton
a608ca21f5 vfs: allocate page instead of names_cache buffer in mount_block_root
First, it's incorrect to call putname() after __getname_gfp() since the
bare __getname_gfp() call skips the auditing code, while putname()
doesn't.

mount_block_root allocates a PATH_MAX buffer via __getname_gfp, and then
calls get_fs_names to fill the buffer. That function can call
get_filesystem_list which assumes that that buffer is a full page in
size. On arches where PAGE_SIZE != 4k, then this could potentially
overrun.

In practice, it's hard to imagine the list of filesystem names even
approaching 4k, but it's best to be safe. Just allocate a page for this
purpose instead.

With this, we can also remove the __getname_gfp() definition since there
are no more callers.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:03 -04:00
Jeff Layton
4fa6b5ecbf audit: overhaul __audit_inode_child to accomodate retrying
In order to accomodate retrying path-based syscalls, we need to add a
new "type" argument to audit_inode_child. This will tell us whether
we're looking for a child entry that represents a create or a delete.

If we find a parent, don't automatically assume that we need to create a
new entry. Instead, use the information we have to try to find an
existing entry first. Update it if one is found and create a new one if
not.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:03 -04:00
Jeff Layton
e3d6b07b8b audit: optimize audit_compare_dname_path
In the cases where we already know the length of the parent, pass it as
a parm so we don't need to recompute it. In the cases where we don't
know the length, pass in AUDIT_NAME_FULL (-1) to indicate that it should
be determined.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:02 -04:00
Eric Paris
29e9a3467c audit: make audit_compare_dname_path use parent_len helper
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:02 -04:00
Jeff Layton
563a0d1236 audit: remove dirlen argument to audit_compare_dname_path
All the callers set this to NULL now.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:01 -04:00
Jeff Layton
bfcec70874 audit: set the name_len in audit_inode for parent lookups
Currently, this gets set mostly by happenstance when we call into
audit_inode_child. While that might be a little more efficient, it seems
wrong. If the syscall ends up failing before audit_inode_child ever gets
called, then you'll have an audit_names record that shows the full path
but has the parent inode info attached.

Fix this by passing in a parent flag when we call audit_inode that gets
set to the value of LOOKUP_PARENT. We can then fix up the pathname for
the audit entry correctly from the get-go.

While we're at it, clean up the no-op macro for audit_inode in the
!CONFIG_AUDITSYSCALL case.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:01 -04:00
Jeff Layton
78e2e802a8 audit: add a new "type" field to audit_names struct
For now, we just have two possibilities:

UNKNOWN: for a new audit_names record that we don't know anything about yet
NORMAL: for everything else

In later patches, we'll add other types so we can distinguish and update
records created under different circumstances.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:00 -04:00
Jeff Layton
c43a25abba audit: reverse arguments to audit_inode_child
Most of the callers get called with an inode and dentry in the reverse
order. The compiler then has to reshuffle the arg registers and/or
stack in order to pass them on to audit_inode_child.

Reverse those arguments for a micro-optimization.

Reported-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:32:00 -04:00
Jeff Layton
9cec9d68ae audit: no need to walk list in audit_inode if name is NULL
If name is NULL then the condition in the loop will never be true. Also,
with this change, we can eliminate the check for n->name == NULL since
the equivalence check will never be true if it is.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:31:59 -04:00
Jeff Layton
1c2e51e8c1 audit: pass in dentry to audit_copy_inode wherever possible
In some cases, we were passing in NULL even when we have a dentry.

Reported-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:31:59 -04:00
Jeff Layton
f78570dd6a audit: remove unnecessary NULL ptr checks from do_path_lookup
As best I can tell, whenever retval == 0, nd->path.dentry and nd->inode
are also non-NULL. Eliminate those checks and the superfluous
audit_context check.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-12 00:31:59 -04:00
Linus Torvalds
4f1cd91497 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull second set of media updates from Mauro Carvalho Chehab:
 "Despite its size, most of the stuff here is trivial.  This series
  contains:

   - s5p-mfc: additions at the driver and at the core to support H.264
     hardware codec;
   - Some improvements at s5p and davinci embedded drivers;
   - Some V4L2 compliance fixes applied on a few drivers;
   - Several random trivial patches, including several fixes and a few
     new board support additions;

  Notes:

   1) Some Exynos media patches were dependent on some -arm fixes that
      got merged on changeset 782cd9e.  That's why this pull request is
      based that changeset.

   2) As promised, I reviewed the pending VB2 DMABUF series.

      While setting a test environment, it was noticed that the upstream
      support for Samsung Exynos 4 boards (smdk310 and Origen) are
      broken upstream, likely due to regressions: both defconfigs are
      wrong and regulator settings for both boards are broken.  That,
      allied with some bug at the dummy regulator driver, causes OOPSes
      during boot time.

      Long story short: even fixing the above, the proposed patches
      OOPSed when running the DMABUF test.  Not sure yet if the OOPSes
      are due to some other undetected regressions, or due to some bug
      on the patches.

      Due to the above, DMABUF patches for vb2 got NACKed for 3.7."

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (109 commits)
  [media] m5mols: Add missing #include <linux/sizes.h>
  [media] stk1160: Add support for S-Video input
  Revert "[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check"
  [media]  dvb: LNA implementation changes
  [media] v4l2-ioctl: fix W=1 warnings
  [media] v4l2-ioctl: add blocks check for VIDIOC_SUBDEV_G/S_EDID
  [media] omap3isp: Fix compilation error in ispreg.h
  [media] rc-msi-digivox-ii: Add full scan keycodes
  [media] cx25821: testing the wrong variable
  [media] tda18271-common: hold the I2C adapter during write transfers
  [media] ds3000: add module parameter to force firmware upload
  [media] drivers/media: Remove unnecessary semicolon
  [media] winbond: remove space from driver name
  [media] iguanair: cannot send data from the stack
  [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
  [media] dvb-usb: print small buffers via %*ph
  [media] uvc: Add return code check at vb2_queue_init()
  [media] em28xx: Replace memcpy with struct assignment
  [media] bt8xx: Add video4linux control V4L2_CID_COLOR_KILLER
  [media] mem2mem_testdev: Use devm_kzalloc() in probe
  ...

Conflicts:
	arch/arm/mach-davinci/include/mach/da8xx.h
2012-10-12 12:39:17 +09:00
Linus Torvalds
759e00b8a8 A second round of pinctrl patches for v3.7:
- Complement the Nomadik pinctrl driver with alternate Cx functions
   so it handles all oddities.
 - A patch to the IRQdomain to reform the simple irqdomain to handle
   IRQ descriptor allocation dynamically.
 - Use the above feature in the Nomadik pin controller.
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Merge tag 'pinctrl-for-3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull second set of pinctrl patches from Linus Walleij:
 "Here is a late pinctrl pull request with stuff that wasn't quite
  tested at the first pull request.

  The main reason to not hold off is that the modifications to
  irq_domain_add_simple() as reviewed by Rob Herring introduce new
  infrastructure for irqdomains that will be useful for the next cycle:
  instead of sprinkling irq descriptor allocation all over the kernel
  wherever a "legacy" domain is registered, which is necessary for any
  platform using sparse IRQs, and many irq chips are say GPIO
  controllers which may be used with several systems, some with sparse
  IRQs some not, we push this into the irq_domain_add_simple() so we can
  atleast do mistakes in one place.

  The irq_domain_add_simple() is currently unused in the kernel, so I
  need to provide a user.  The Nomadik stuff that goes with are changes
  to the driver I use day-to-day to make use of this facility (and a
  dependency), so see it as a way to eat my own dogfood: if this blows
  up the egg hits my face.

  A second round of pinctrl patches for v3.7:
   - Complement the Nomadik pinctrl driver with alternate Cx functions
     so it handles all oddities.
   - A patch to the IRQdomain to reform the simple irqdomain to handle
     IRQ descriptor allocation dynamically.
   - Use the above feature in the Nomadik pin controller."

* tag 'pinctrl-for-3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl/nomadik: use simple or linear IRQ domain
  irqdomain: augment add_simple() to allocate descs
  pinctrl/nomadik: support other alternate-C functions
2012-10-12 12:35:05 +09:00
Linus Torvalds
5cea24c589 Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull second set of ARM updates from Russell King:
 "This is the second set of ARM updates for this merge window.

  Contained within are changes to allow the kernel to boot in hypervisor
  mode on CPUs supporting virtualization, and cache flushing support to
  the point of inner sharable unification, which are used by the
  suspend/resume code to avoid having to do a full cache flush.

  Also included is one fix for VFP code identified by Michael Olbrich."

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: vfp: fix saving d16-d31 vfp registers on v6+ kernels
  ARM: 7549/1: HYP: fix boot on some ARM1136 cores
  ARM: 7542/1: mm: fix cache LoUIS API for xscale and feroceon
  ARM: mm: update __v7_setup() to the new LoUIS cache maintenance API
  ARM: kernel: update __cpu_disable to use cache LoUIS maintenance API
  ARM: kernel: update cpu_suspend code to use cache LoUIS operations
  ARM: mm: rename jump labels in v7_flush_dcache_all function
  ARM: mm: implement LoUIS API for cache maintenance ops
  ARM: virt: arch_timers: enable access to physical timers
  ARM: virt: Add CONFIG_ARM_VIRT_EXT option
  ARM: virt: Add boot-time diagnostics
  ARM: virt: Update documentation for hyp mode entry support
  ARM: zImage/virt: hyp mode entry support for the zImage loader
  ARM: virt: allow the kernel to be entered in HYP mode
  ARM: opcodes: add __ERET/__MSR_ELR_HYP instruction encoding
2012-10-12 12:32:43 +09:00
Linus Torvalds
2fc07efa22 Sound updates #2 for 3.7-rc1
This update contains a few cleanup works, regression/stable fixes
 gathered since the last pull request.
 
 - Clean up with generic hd-audio jack handling code by David
   Henningsson
 - A few regression fixes for standardized HD-audio auto-parser
 - Misc clean-up and small fixes
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates #2 from Takashi Iwai:
 "This update contains a few cleanup works, regression/stable fixes
  gathered since the last pull request.

   - Clean up with generic hd-audio jack handling code by David
     Henningsson
   - A few regression fixes for standardized HD-audio auto-parser
   - Misc clean-up and small fixes"

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - do not detect jack on internal speakers for Realtek
  ALSA: hda - Fix missing beep on ASUS X43U notebook
  ALSA: hda - Remove AZX_DCAPS_POSFIX_COMBO
  ALSA: hda - Warn an allocation for an uninitialized array
  ALSA: hda/cirrus - Add missing init/free of hda_gen_spec
  ALSA: hda - Fix memory leaks at error path in patch_cirrus.c
  ALSA: hda - Add missing hda_gen_spec to struct via_spec
  ALSA: hda - remove "Mic Jack Mode" for headset jacks (Latitude Exx30)
  ALSA: hda - make Cirrus codec use generic unsol event handler
  ALSA: hda - make VIA codec use generic unsol event handler
  ALSA: hda - Remove dead GPIO code for VIA codec
  ALSA: usb-audio: Add TASCAM US122 MKII playback
2012-10-12 12:31:28 +09:00
Linus Torvalds
79360ddd73 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull pile 2 of vfs updates from Al Viro:
 "Stuff in this one - assorted fixes, lglock tidy-up, death to
  lock_super().

  There'll be a VFS pile tomorrow (with patches from Jeff Layton,
  sanitizing getname() and related parts of audit and preparing for
  ESTALE fixes), but I'd rather push the stuff in this one ASAP - some
  of the bugs closed here are quite unpleasant."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: bogus warnings in fs/namei.c
  consitify do_mount() arguments
  lglock: add DEFINE_STATIC_LGLOCK()
  lglock: make the per_cpu locks static
  lglock: remove unused DEFINE_LGLOCK_LOCKDEP()
  MAX_LFS_FILESIZE definition for 64bit needs LL...
  tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking
  vfs: drop lock/unlock super
  ufs: drop lock/unlock super
  sysv: drop lock/unlock super
  hpfs: drop lock/unlock super
  fat: drop lock/unlock super
  ext3: drop lock/unlock super
  exofs: drop lock/unlock super
  dup3: Return an error when oldfd == newfd.
  fs: handle failed audit_log_start properly
  fs: prevent use after free in auditing when symlink following was denied
2012-10-12 10:52:03 +09:00
Linus Torvalds
8213a2f3ee Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull pile 2 of execve and kernel_thread unification work from Al Viro:
 "Stuff in there: kernel_thread/kernel_execve/sys_execve conversions for
  several more architectures plus assorted signal fixes and cleanups.

  There'll be more (in particular, real fixes for the alpha
  do_notify_resume() irq mess)..."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (43 commits)
  alpha: don't open-code trace_report_syscall_{enter,exit}
  Uninclude linux/freezer.h
  m32r: trim masks
  avr32: trim masks
  tile: don't bother with SIGTRAP in setup_frame
  microblaze: don't bother with SIGTRAP in setup_rt_frame()
  mn10300: don't bother with SIGTRAP in setup_frame()
  frv: no need to raise SIGTRAP in setup_frame()
  x86: get rid of duplicate code in case of CONFIG_VM86
  unicore32: remove pointless test
  h8300: trim _TIF_WORK_MASK
  parisc: decide whether to go to slow path (tracesys) based on thread flags
  parisc: don't bother looping in do_signal()
  parisc: fix double restarts
  bury the rest of TIF_IRET
  sanitize tsk_is_polling()
  bury _TIF_RESTORE_SIGMASK
  unicore32: unobfuscate _TIF_WORK_MASK
  mips: NOTIFY_RESUME is not needed in TIF masks
  mips: merge the identical "return from syscall" per-ABI code
  ...

Conflicts:
	arch/arm/include/asm/thread_info.h
2012-10-12 10:49:08 +09:00
Linus Torvalds
40924754f2 Merge branch 'writeback-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
Pull writeback fixes from Fengguang Wu:
 "Three trivial writeback fixes"

* 'writeback-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  CPU hotplug, writeback: Don't call writeback_set_ratelimit() too often during hotplug
  writeback: correct comment for move_expired_inodes()
  backing-dev: use kstrto* in preference to simple_strtoul
2012-10-12 10:46:03 +09:00
Al Viro
fb45550d76 make sure that kernel_thread() callbacks call do_exit() themselves
Most of them never returned anyway - only two functions had to be
changed.  That allows to simplify their callers a whole lot.

Note that this does *not* apply to kthread_run() callbacks - all of
those had been called from the same kernel_thread() callback, which
did do_exit() already.  This is strictly about very few low-level
kernel_thread() callbacks (there are only 6 of those, mostly as part
of kthread.h and kmod.h exported mechanisms, plus kernel_init()
itself).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:42:36 -04:00
Al Viro
d6b2123802 make sure that we always have a return path from kernel_execve()
The only place where kernel_execve() is called without a way to
return to the caller of kernel_thread() callback is kernel_post().
Reorganize kernel_init()/kernel_post() - instead of the former
calling the latter in the end (and getting freed by it), have the
latter *begin* with calling the former (and turn the latter into
kernel_thread() callback, of course).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:42:35 -04:00
Al Viro
ecf89e581a ppc: eeh_event should just use kthread_run()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:40:31 -04:00
Al Viro
ba4df2808a don't bother with kernel_thread/kernel_execve for launching linuxrc
exec_usermodehelper_fns() will do just fine...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:40:30 -04:00
Al Viro
cb450766bc alpha: get rid of switch_stack argument of do_work_pending()
... and now the asm glue side of that.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:40:13 -04:00
Al Viro
d9d0738a89 alpha: don't bother passing switch_stack separately from regs
It's needed only in setup_sigcontext() and it's always reg - <constant>;
no point passing it all way down through the call chain.  This is just
the signal.c side of that stuff; next will come the asm glue one...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:39:28 -04:00
Al Viro
6972d6f25d alpha: take SIGPENDING/NOTIFY_RESUME loop into signal.c
Turn the slow side of work_pending into C function, including all
the looping.  What we get out of that:
	* we do _not_ call get_signal_to_deliver() with IRQs disabled
anymore
	* no need to save/restore volatiles on each pass if there
turns to be more than one (unlikely, but still)
	* all double-restart prevention is in C now.
	* glue gets simpler.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:39:27 -04:00
Al Viro
7721d3c208 alpha: simplify TIF_NEED_RESCHED handling
In case we have both NEED_RESCHED and SIGPENDING/NOTIFY_RESUME,
handle the latter first.  We'll get to original priorities in
the next commit, but now that allows to simplify the treatment
of NEED_RESCHED-only case nicely.  Namely, now there no need to
preserve the data for restarts across the call of schedule() in
$work_resched; we can get there only if we had either returned
from syscall without SIGPENDING (in which case we should've
had no restart-worthy return value and want no restarts) or
already got through do_notify_resume() call (in which case we
want no restarts anymore).  So we can just slap 0 into $19
instead of preserving it (and $20).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 21:39:26 -04:00
Linus Torvalds
cbd8aca472 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild misc changes from Michal Marek:
 "In the non-critical part of kbuild, I have
   - Some make coccicheck improvements and two new tests
   - Support for a cleaner html output in scripts/kernel-doc, named
     html5 (no, it does not play videos, yet)

  BTW, Randy wants to route further kernel-doc patches through the
  kbuild tree."

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Update SmPL/Coccinelle section of MAINTAINERS
  coccicheck: Add the rep+ctxt mode
  scripts/coccinelle/tests/odd_ptr_err.cocci: semantic patch for IS_ERR/PTR_ERR inconsistency
  scripts/tags.sh: Add magic for pci access functions
  scripts/coccinelle: ptr_ret: Add ternary operator version
  scripts/kernel-doc: drop maintainer
  scripts/kernel-doc: added support for html5
2012-10-12 10:32:29 +09:00
Linus Torvalds
35e9a274fd Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig changes from Michal Marek:
 "kconfig in v3.7 is going to
   - initialize ncurses only once in menuconfig
   - be able to jump to a search result in menuconfig
   - change the misnomer oldnoconfig to a more meaningful name
     olddefconfig, keeping the old name as alias"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: replace 'oldnoconfig' with 'olddefconfig', and keep the old name as an alias
  menuconfig: Assign jump keys per-page instead of globally
  menuconfig: Do not open code textbox scroll up/down
  menuconfig: Add jump keys to search results
  menuconfig: Extend dialog_textbox so that it can return to a scrolled position
  menuconfig: Extend dialog_textbox so that it can exit on arbitrary keypresses
  menuconfig: Remove superfluous conditionnal
  kconfig: document oldnoconfig to what it really does in conf.c
  kconfig/mconf.c: revision of curses initialization.
2012-10-12 10:28:52 +09:00
Linus Torvalds
ae3e462828 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek:
 "The main part of kbuild for v3.7 contains:
   - Fix for scripts/Makefile.modpost to not choke on a '.ko' substring
     in the build directory path
   - Two warning fixes (modpost and main Makefile)
   - __compiletime_error works also with gcc 4.3
   - make tar{gz,bz2,xz}-pkg uses default compression settings instead
     of saving as many bytes as possible (this should actually be in the
     misc branch, I don't know why I applied it here)."

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  compiler-gcc4.h: correct verion check for __compiletime_error
  modpost: Permit .GCC.command.line sections
  Kbuild: use normal compression settings for tar*-pkg
  scripts/Makefile.modpost: error in finding modules from .mod files.
  kbuild: Remove useless warning while appending KCFLAGS
2012-10-12 10:27:27 +09:00
Linus Torvalds
5f76945a9c fbdev updates for 3.7
It includes:
 - large updates for OMAP
   - basic OMAP5 DSS support for DPI and DSI outputs
   - large cleanups and restructuring
 - some update to Exynos and da8xx-fb
 - removal of the pnx4008 driver (arch removed)
 - various other small patches
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Merge tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6

Pull fbdev updates from Florian Tobias Schandinat:
 "This includes:
   - large updates for OMAP
     - basic OMAP5 DSS support for DPI and DSI outputs
     - large cleanups and restructuring
   - some update to Exynos and da8xx-fb
   - removal of the pnx4008 driver (arch removed)
   - various other small patches"

Fix up some trivial conflicts (mostly just include line changes, but
also some due to the renaming of the deferred work functions by Tejun).

* tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6: (193 commits)
  gbefb: fix compile error
  video: mark nuc900fb_map_video_memory as __devinit
  video/mx3fb: set .owner to prevent module unloading while being used
  video: exynos_dp: use clk_prepare_enable and clk_disable_unprepare
  drivers/video/exynos/exynos_mipi_dsi.c: fix error return code
  drivers/video/savage/savagefb_driver.c: fix error return code
  video: s3c-fb: use clk_prepare_enable and clk_disable_unprepare
  da8xx-fb: save and restore LCDC context across suspend/resume cycle
  da8xx-fb: add pm_runtime support
  video/udlfb: fix line counting in fb_write
  OMAPDSS: add missing include for string.h
  OMAPDSS: DISPC: Configure color conversion coefficients for writeback
  OMAPDSS: DISPC: Add manager like functions for writeback
  OMAPDSS: DISPC: Configure writeback FIFOs
  OMAPDSS: DISPC: Configure writeback specific parameters in dispc_wb_setup()
  OMAPDSS: DISPC: Configure overlay-like parameters in dispc_wb_setup
  OMAPDSS: DISPC: Add function to set channel in for writeback
  OMAPDSS: DISPC: Don't set chroma resampling bit for writeback
  OMAPDSS: DISPC: Downscale chroma if plane is writeback
  OMAPDSS: DISPC: Configure input and output sizes for writeback
  ...
2012-10-12 10:21:02 +09:00
Linus Torvalds
940e3a8dd6 The following changes since commit 4cbe5a555f:
Linux 3.6-rc4 (2012-09-01 10:39:58 -0700)
 
 are available in the git repository at:
 
   git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs.git for-next
 
 for you to fetch changes up to 552aad02a283ee88406b102b4d6455eef7127196:
 
   9P: Fix race between p9_write_work() and p9_fd_request() (2012-09-17 14:54:11 -0500)
 
 ----------------------------------------------------------------
 Jeff Layton (1):
       9p: don't use __getname/__putname for uname/aname
 
 Jim Meyering (1):
       fs/9p: avoid debug OOPS when reading a long symlink
 
 Simon Derr (5):
       net/9p: Check errno validity
       9P: Fix race in p9_read_work()
       9P: fix test at the end of p9_write_work()
       9P: Fix race in p9_write_work()
       9P: Fix race between p9_write_work() and p9_fd_request()
 
  fs/9p/v9fs.c      |   30 +++++++++++++++++++-----------
  fs/9p/vfs_inode.c |    8 ++++----
  net/9p/client.c   |   18 ++++++++++++++++--
  net/9p/trans_fd.c |   38 ++++++++++++++++++++------------------
  4 files changed, 59 insertions(+), 35 deletions(-)
 
 Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Merge tag 'for-linus-merge-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

Pull v9fs update from Eric Van Hensbergen.

* tag 'for-linus-merge-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9P: Fix race between p9_write_work() and p9_fd_request()
  9P: Fix race in p9_write_work()
  9P: fix test at the end of p9_write_work()
  9P: Fix race in p9_read_work()
  9p: don't use __getname/__putname for uname/aname
  net/9p: Check errno validity
  fs/9p: avoid debug OOPS when reading a long symlink
2012-10-12 09:59:23 +09:00
Arnd Bergmann
98f6ef64b1 vfs: bogus warnings in fs/namei.c
The follow_link() function always initializes its *p argument,
or returns an error, but when building with 'gcc -s', the compiler
gets confused by the __always_inline attribute to the function
and can no longer detect where the cookie was initialized.

The solution is to always initialize the pointer from follow_link,
even in the error path. When building with -O2, this has zero impact
on generated code and adds a single instruction in the error path
for a -Os build on ARM.

Without this patch, building with gcc-4.6 through gcc-4.8 and
CONFIG_CC_OPTIMIZE_FOR_SIZE results in:

fs/namei.c: In function 'link_path_walk':
fs/namei.c:649:24: warning: 'cookie' may be used uninitialized in this function [-Wuninitialized]
fs/namei.c:1544:9: note: 'cookie' was declared here
fs/namei.c: In function 'path_lookupat':
fs/namei.c:649:24: warning: 'cookie' may be used uninitialized in this function [-Wuninitialized]
fs/namei.c:1934:10: note: 'cookie' was declared here
fs/namei.c: In function 'path_openat':
fs/namei.c:649:24: warning: 'cookie' may be used uninitialized in this function [-Wuninitialized]
fs/namei.c:2899:9: note: 'cookie' was declared here

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 20:02:16 -04:00
Al Viro
808d4e3cfd consitify do_mount() arguments
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-11 20:02:04 -04:00
David Howells
60fe5771be UAPI: (Scripted) Disintegrate include/linux/mmc
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>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-10-11 17:27:54 -04:00
Marek Vasut
4c5bb2e42e mmc: mxs-mmc: Fix merge issue causing build error
The following error appeared due to a merge problem; the patches:

fc108d24 "mmc: mxs-mmc: fix deadlock caused by recursion loop"
829c1bf4 "mmc: spi: Pull out parts shared between MMC and SPI"

came in through separate branches and cause this build error when
combined.

drivers/mmc/host/mxs-mmc.c: In function 'mxs_mmc_enable_sdio_irq':
drivers/mmc/host/mxs-mmc.c:527:3: error: 'struct mxs_mmc_host' has no member named 'base'
drivers/mmc/host/mxs-mmc.c:527:3: error: 'struct mxs_mmc_host' has no member named 'devid'
make[3]: *** [drivers/mmc/host/mxs-mmc.o] Error 1

This patch corrects the issue.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-10-11 17:21:40 -04:00
Daniel Santos
415c2c525f compiler-gcc4.h: correct verion check for __compiletime_error
__attribute__((error(msg))) was introduced in gcc 4.3 (not 4.4) and as I
was unable to find any gcc bugs pertaining to it, I'm presuming that it
has functioned as advertised since 4.3.0.

Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: David Rientjes <rientjes@google.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-10-11 22:51:41 +02:00
Jonathan Kliegman
76b27645a5 modpost: Permit .GCC.command.line sections
Allow .GCC.command.line sections in modules to prevent modpost warnings:
WARNING: sound/usb/snd-usbmidi-lib.o (.GCC.command.line): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.

Signed-off-by: Jonathan Kliegman <kliegs@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-10-11 22:36:15 +02:00
Oliver Neukum
5d9d01a302 usbnet: Support devices reporting idleness
Some device types support a form of power management in which
the device suggests to the host that the device may be suspended
now. Support for that is best located in usbnet.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:19:21 -04:00
Jean-Christian de Rivaz
e7d491a19d Add CDC-ACM support for the CX93010-2x UCMxx USB Modem
This USB V.92/V.32bis Controllered Modem have the USB vendor ID 0x0572
and device ID 0x1340. It need the NO_UNION_NORMAL quirk to be recognized.

Reference:
http://www.conexant.com/servlets/DownloadServlet/DSH-201723-005.pdf?docid=1725&revid=5
See idVendor and idProduct in table 6-1. Device Descriptors

Signed-off-by: Jean-Christian de Rivaz <jc@eclis.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:18:49 -04:00
Kevin Baradon
aac9453b65 net/ethernet/jme: disable ASPM
Based on patch from Matthew Garrett <mjg@redhat.com> (https://lkml.org/lkml/2011/11/11/168).

http://driveragent.com/archive/30421/7-0-14 indicates that ASPM is
disabled on the 250 and 260. Duplicate for sanity.

Fixes random RX engine hangs I experienced with JMC250 on Clevo W270HU.

Signed-off-by: Kevin Baradon <kevin.baradon@gmail.com>
Cc: Guo-Fu Tseng <cooldavid@cooldavid.org>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:18:49 -04:00
David S. Miller
0d0d0b160c UAPI Disintegration 2012-10-09
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Merge tag 'disintegrate-wimax-20121009' of git://git.infradead.org/users/dhowells/linux-headers

UAPI Disintegration 2012-10-09

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:15:35 -04:00
Alan Cox
0e24c4fc52 tcp: sysctl interface leaks 16 bytes of kernel memory
If the rc_dereference of tcp_fastopen_ctx ever fails then we copy 16 bytes
of kernel stack into the proc result.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:12:33 -04:00
Alan Cox
0abc1ceec5 kaweth: print correct debug ptr
We nowdays copy the buffer and free fw->data, so make the debug printk use
the right thing.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-11 15:12:33 -04:00
Mauro Carvalho Chehab
bf3b202b41 Merge branch 'staging/for_v3.7' into v4l_for_linus
Applied on the top of changeset 782cd9e, as some of those patches
depend on some fixes that went via -arm tree.

* staging/for_v3.7: (109 commits)
  [media] m5mols: Add missing #include <linux/sizes.h>
  [media] stk1160: Add support for S-Video input
  Revert "[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check"
  [media]  dvb: LNA implementation changes
  [media] v4l2-ioctl: fix W=1 warnings
  [media] v4l2-ioctl: add blocks check for VIDIOC_SUBDEV_G/S_EDID
  [media] omap3isp: Fix compilation error in ispreg.h
  [media] rc-msi-digivox-ii: Add full scan keycodes
  [media] cx25821: testing the wrong variable
  [media] tda18271-common: hold the I2C adapter during write transfers
  [media] ds3000: add module parameter to force firmware upload
  [media] drivers/media: Remove unnecessary semicolon
  [media] winbond: remove space from driver name
  [media] iguanair: cannot send data from the stack
  [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
  [media] dvb-usb: print small buffers via %*ph
  [media] uvc: Add return code check at vb2_queue_init()
  [media] em28xx: Replace memcpy with struct assignment
  [media] bt8xx: Add video4linux control V4L2_CID_COLOR_KILLER
  [media] mem2mem_testdev: Use devm_kzalloc() in probe
  ...
2012-10-11 15:07:19 -03:00