Merge remote-tracking branch 'kbuild/for-next'

Merge remote-tracking branch 'docs/docs-move'

Merge branch 'quilt/kernel-doc'

Merge remote-tracking branch 'hwmon-staging/hwmon-next'

Merge branch 'quilt/jdelvare-hwmon'

Merge remote-tracking branch 'bjdooks-i2c/next-i2c'

Merge branch 'quilt/i2c'

Merge remote-tracking branch 'hid/for-next'

Conflicts:
drivers/hid/hid-core.c
drivers/hid/hid-ids.h

Merge remote-tracking branch 'xfs/master'

Conflicts:
fs/xfs/xfs_super.c

Merge remote-tracking branch 'v9fs/for-next'

Conflicts:
net/9p/trans_virtio.c

Merge remote-tracking branch 'ocfs2/linux-next'

Merge remote-tracking branch 'nfsd/nfsd-next'

Merge remote-tracking branch 'nfs/linux-next'

Merge remote-tracking branch 'logfs/master'

Merge remote-tracking branch 'gfs2/master'

Merge remote-tracking branch 'ext4/dev'

Merge remote-tracking branch 'cifs/master'

Merge remote-tracking branch 'ceph/for-next'

Merge remote-tracking branch 'xtensa/master'

Merge remote-tracking branch 'unicore32/unicore32'

Merge remote-tracking branch 'tile/master'

Merge remote-tracking branch 'rmobile/rmobile-latest'

Merge remote-tracking branch 'sh/sh-latest'

Merge remote-tracking branch 's390/features'

Merge remote-tracking branch '52xx-and-virtex/powerpc/next'

Merge remote-tracking branch 'powerpc/next'

Merge remote-tracking branch 'openrisc/for-upstream'

Conflicts:
arch/openrisc/kernel/signal.c

Merge remote-tracking branch 'mips/mips-for-linux-next'

Merge remote-tracking branch 'm68knommu/for-next'

Merge remote-tracking branch 'm68k/for-next'

Merge remote-tracking branch 'ia64/test'

Merge branch 'quilt/hexagon'

Merge remote-tracking branch 'cris/for-next'

Merge remote-tracking branch 'blackfin/for-linus'

Merge remote-tracking branch 'ux500-core/ux500-core'

Merge remote-tracking branch 's5p/for-next'

Conflicts:
arch/arm/mach-exynos4/mach-smdkc210.c

Merge remote-tracking branch 'i.MX/for-next'

Conflicts:
arch/arm/mach-imx/Makefile

Merge remote-tracking branch 'at91/at91-next'

Merge remote-tracking branch 'arm-soc/for-next'

Conflicts:
arch/arm/include/asm/hardware/cache-l2x0.h
arch/arm/mach-at91/board-usb-a9260.c
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/mach-u300/Makefile.boot
arch/arm/plat-mxc/include/mach/gpio.h

Merge remote-tracking branch 'arm-lpae/for-next'

Conflicts:
arch/arm/include/asm/page.h
arch/arm/include/asm/pgalloc.h
arch/arm/include/asm/pgtable-hwdef.h
arch/arm/include/asm/pgtable.h
arch/arm/include/asm/tlb.h
arch/arm/kernel/head.S
arch/arm/kernel/sleep.S
arch/arm/mm/dma-mapping.c
arch/arm/mm/mmu.c

Merge remote-tracking branch 'arm/for-next'

Merge remote-tracking branch 'input-current/for-linus'

Merge remote-tracking branch 'wireless-current/master'

Merge remote-tracking branch 'pci-current/for-linus'

Merge remote-tracking branch 'net-current/master'

Merge remote-tracking branch 'scsi-rc-fixes/master'

Add extra arch overrides to asm-generic/checksum.h

There are plausible reasons for architectures to provide their own
versions of csum_partial_copy_nocheck and csum_tcpudp_magic.
By protecting these, the architecture can still re-use the
asm-generic checksum.h, instead of copying it.

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add self to MAINTAINERS

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Add basic stacktrace functionality for Hexagon architecture.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add configuration and makefiles for the Hexagon architecture.

Removed CONFIG_ARCH_HAS_KMAP

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Comet platform support

Used the shortened version of the config; other platform stuff moved out until
it's ready.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: kgdb support files

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add page-fault support.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add page table header files & etc.

Removed highmem more highmem stuff.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>

Hexagon: Add ioremap support

Removed redundant flush_cache_vmap.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Provide DMA implementation

Basic DMA implementation for our architecture.

Added sync_single_for_* routines; hexagon_map_page() still seems to be a
convenient place to flush/invalidate.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Implement basic TLB management routines for Hexagon.

Mostly all stubs, as the TLB is managed by the hypervisor.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Implement basic cache-flush support

We have separate I/D caches.  Data caches are physically indexed.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Provide basic implementation and/or stubs for I/O routines.

Filled in the ins/outs; leaving them in for now.

Change _IO_BASE and IO_SPACE_LIMIT for safety.

I have compiled this with sparse and it builds; I've also picked over
various files related to the HAS_IOPORT_MAP from arm-soc.git and
tried them out, and they work, so I guess we'll just wait until
they're merged.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>

Hexagon: Add user access functions

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add locking types and functions

Moved rwsem to asm-generic.  Will submit a subsequent patch for PPC
use it from the new location.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Add SMP support

Changed smp.c to use generic IPI handler functions.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>

Hexagon: Provide basic debugging and system trap support.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add ptrace support

Will look at the more generic ptrace support in the future.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>

Hexagon: Add time and timer functions

Cleaned up iomem and register declarations, unnecessary
SMP ifdefs, cpu_relax() in udelay.

Platform stuff is in development; platform defines will be cleaned up.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Add interrupts

Removed init_IRQ wrapper and fixed up some comments.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add startup code

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add init_task and process functions

Fixed potential race-to-sleep condition in cpu_idle() and calling schedule
with irq's disabled.  I still have to have that extra enable/disbale in the
while() loop else the interrupt never gets serviced, and thus need_resched()
will always be false.

If called with interrupts disabled, our __vmwait() actually just returns
without servicing it.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add signal functions

Added vDSO support; signal trampoline is no longer on the stack
so it no longer needs to be executable.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>

Hexagon: Support dynamic module loading.

Modules should be compiled as ordinary .o's; shared objects are not
supported.

Deleted module functions that already have generic equivalents.

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Export ksyms defined in assembly files.

Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add hypervisor interface

The port of Linux for Hexagon runs on top of a hypervisor layer,
which presents an interface for memory management, events, hardware
control, etc.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add memcpy and memset accelerated functions

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add checksum functions

Removed most non-assembly functions and use the generic ones instead.

Made a few more minor changes to use the generic header file.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add delay functions

Added read_current_timer elsewhere.

udelay is based off of __vmgettime() which returns processor ticks.

Removed __delay and CONFIG_GENERIC_CALIBRATE_DELAY.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Add threadinfo

Removed some cruft and changed to allow kernel stack to be smaller than a page
size.

I left the thread_info alignment alone for the time being; may revisit that in
the future.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add processor and system headers

Adds Hexagon information for processor/system type stuff
like context switching, register access, and irqflags.

Changed cpu_relax() to call __vmyield().

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add syscalls

Removed sys_mmap* and replaced with sys_mmap_pgoff()

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

Hexagon: Add atomic ops support

Our architecture uses load locked/store conditional type semantics for atomic
ops.

Added inline assembly version of atomic_add_unless.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add bitops support

Merged sub-files into bitops.h; fixed return types and volatiles.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Core arch-specific header files

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Hexagon: Add generic headers

Reworked to use the Kbuild generic headers mechanism.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Linux 3.1-rc6

Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: Remove duplicate "return" statement
  drm/nv04/crtc: Bail out if FB is not bound to crtc
  drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs
  drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate
  drm/nouveau: fix oops on pre-semaphore hardware
  drm/nv50/crtc: Bail out if FB is not bound to crtc
  drm/radeon/kms: fix DP detect and EDID fetch for DP bridges

Merge branch 'fixes' of git://git.linaro.org/people/arnd/arm-soc

* 'fixes' of git://git.linaro.org/people/arnd/arm-soc:
  ARM: CSR: add missing sentinels to of_device_id tables
  ARM: cns3xxx: Fix newly introduced warnings in the PCIe code
  ARM: cns3xxx: Fix compile error caused by hardware.h removed
  ARM: davinci: fix cache flush build error
  ARM: davinci: correct MDSTAT_STATE_MASK
  ARM: davinci: da850 EVM: read mac address from SPI flash
  OMAP: omap_device: fix !CONFIG_SUSPEND case in _noirq handlers
  OMAP2430: hwmod: musb: add missing terminator to omap2430_usbhsotg_addrs[]
  OMAP3: clock: indicate that gpt12_fck and wdt1_fck are in the WKUP clockdomain
  OMAP4: clock: fix compile warning
  OMAP4: clock: re-enable previous clockdomain enable/disable sequence
  OMAP: clockdomain: Wait for powerdomain to be ON when using clockdomain force wakeup
  OMAP: powerdomains: Make all powerdomain target states as ON at init

ioctl: register LTTng ioctl

The LTTng 2.0 kernel tracer (stand-alone module package, available at
http://lttng.org) uses the 0xF6 ioctl range for tracer control and
transport operations.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Merge branch 'for-linus' of git://github.com/chrismason/linux

* 'for-linus' of git://github.com/chrismason/linux:
  Btrfs: add dummy extent if dst offset excceeds file end in
  Btrfs: calc file extent num_bytes correctly in file clone
  btrfs: xattr: fix attribute removal
  Btrfs: fix wrong nbytes information of the inode
  Btrfs: fix the file extent gap when doing direct IO
  Btrfs: fix unclosed transaction handle in btrfs_cont_expand
  Btrfs: fix misuse of trans block rsv
  Btrfs: reset to appropriate block rsv after orphan operations
  Btrfs: skip locking if searching the commit root in csum lookup
  btrfs: fix warning in iput for bad-inode
  Btrfs: fix an oops when deleting snapshots

fuse: fix memory leak

kmemleak is reporting that 32 bytes are being leaked by FUSE:

  unreferenced object 0xe373b270 (size 32):
  comm "fusermount", pid 1207, jiffies 4294707026 (age 2675.187s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<b05517d7>] kmemleak_alloc+0x27/0x50
    [<b0196435>] kmem_cache_alloc+0xc5/0x180
    [<b02455be>] fuse_alloc_forget+0x1e/0x20
    [<b0245670>] fuse_alloc_inode+0xb0/0xd0
    [<b01b1a8c>] alloc_inode+0x1c/0x80
    [<b01b290f>] iget5_locked+0x8f/0x1a0
    [<b0246022>] fuse_iget+0x72/0x1a0
    [<b02461da>] fuse_get_root_inode+0x8a/0x90
    [<b02465cf>] fuse_fill_super+0x3ef/0x590
    [<b019e56f>] mount_nodev+0x3f/0x90
    [<b0244e95>] fuse_mount+0x15/0x20
    [<b019d1bc>] mount_fs+0x1c/0xc0
    [<b01b5811>] vfs_kern_mount+0x41/0x90
    [<b01b5af9>] do_kern_mount+0x39/0xd0
    [<b01b7585>] do_mount+0x2e5/0x660
    [<b01b7966>] sys_mount+0x66/0xa0

This leak report is consistent and happens once per boot on
3.1.0-rc5-dirty.

This happens if a FORGET request is queued after the fuse device was
released.

Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fuse: fix flock breakage

Commit 37fb3a30b4 ("fuse: fix flock") added in 3.1-rc4 caused flock() to
fail with ENOSYS with the kernel ABI version 7.16 or earlier.

Fix by falling back to testing FUSE_POSIX_LOCKS for ABI versions 7.16
and earlier.

Reported-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Martin Ziegler <ziegler@email.mathematik.uni-freiburg.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Merge branch 'for_3.1/pm-fixes-2' of git://gitorious.org/khilman/linux-omap-pm into fixes

Merge branches 'fixes' and 'next/devel' into for-next

Merge branch 'sirf/devel' into next/devel

Merge branch 'sirf/fixes' into fixes

Merge branch 'devel-stable' into for-next

Conflicts:
arch/arm/mach-imx/mach-cpuimx27.c
arch/arm/mach-msm/board-msm7x30.c
arch/arm/mm/dma-mapping.c

Merge branches 'amba', 'fixes', 'gpio', 'io' (early part), 'misc', 'p2v', 'pgt' and 'pm' into for-next

ARM: 7087/2: mach-integrator: get timer frequency from clock

We already have a clock definition for the 24MHz clock in
the Integrator, use that instead of some unclear defines
from the platform.h header. Also delete the senseless
comment that the file shouldn't be edited, I just edited it
and the world didn't come to an end, so it's obviously
false. If anyone still has the mentioned ".s file" and the
s2h awk script generating that header, raise your hand
(and give me your files).

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

ARM: 7086/2: mach-integrator: modernize clock event registration

Drop mult, shift and delta calculations and let the
clockevent core scale this as appropriate.

Set the minimum interval to 1 rather than 15 (0xf), there
is nothing in the data sheets I have indicating that 15
should be some minimum value.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

ARM: 7085/2: mach-integrator: clockevent supports oneshot mode

The Integrator AP timer has no problem supporting oneshot
ticks with proper code, so let's do it so we can have
NOHZ configured in for this platform too.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

ARM: 7084/1: mach-integrator: retire some timer macros

These macros are not used by anything since the switch to
generic time in commit b9cedda230793cbf58eb012ddadedd490cc8e129
so let's retire them.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

ARM: 7078/1: Footbridge: Sort KConfig Options alphabetically

As per request of rmk, the options should be sorted alphabetically.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>