97893d1e5e99f519b5c1d50f7d
author Andrew Morton <akpm@linux-foundation.org> 1184670238 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1184692984 -0700

x86_64: speedup touch_nmi_watchdog

Avoid dirtying remote cpu's memory if it already has the correct value.

Cc: Andi Kleen <ak@suse.de>
Cc: Konrad Rzeszutek <konrad@darnok.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ó