tree a5969eab412bb34aa0f38c6a12a5fffe5553b2ce
parent b62f13439147210d5ad4bc40acee32b94c59f06d
author Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> 1202372186 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1202402553 -0800

Add cmpxchg_local to xtensa

Use the architecture specific __cmpxchg_u32 for 32 bits cmpxchg)_local. Else,
use the new generic cmpxchg_local (disables interrupt).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>