linux/arch
Chris Metcalf ab306cae66 arch/tile: use atomic exchange in arch_write_unlock()
This idiom is used elsewhere when we do an unlock by writing a zero,
but I missed it here.  Using an atomic operation avoids waiting
on the write buffer for the unlocking write to be sent to the home cache.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2012-04-02 12:13:49 -04:00
..
alpha Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
arm Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-03-30 18:15:43 -07:00
avr32 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-03-30 18:15:43 -07:00
blackfin Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-03-31 13:42:57 -07:00
c6x Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2012-03-29 16:53:48 -07:00
cris Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
frv Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
h8300 Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
hexagon Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
ia64 ia64: Fixup asm/cmpxchg.h 2012-03-30 12:34:07 -07:00
m32r Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
m68k Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
microblaze Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-03-30 18:15:43 -07:00
mips MTD merge for 3.4 2012-03-30 17:31:56 -07:00
mn10300 Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
openrisc Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
parisc PARISC misc on 20120331 2012-03-31 13:32:30 -07:00
powerpc Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
s390 [S390] Fix build errors (fallout from system.h disintegration) 2012-03-30 09:41:12 +02:00
score Delete all instances of asm/system.h 2012-03-28 18:30:03 +01:00
sh Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-03-30 18:15:43 -07:00
sparc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2012-03-30 18:40:33 -07:00
tile arch/tile: use atomic exchange in arch_write_unlock() 2012-04-02 12:13:49 -04:00
um Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
unicore32 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2012-03-30 18:15:43 -07:00
x86 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-31 13:34:04 -07:00
xtensa Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
.gitignore
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2012-03-29 14:49:45 -07:00