[PATCH] powerpc: native atomic_add_unless
authorNick Piggin <npiggin@suse.de>
Mon, 20 Feb 2006 09:41:40 +0000 (10:41 +0100)
committerPaul Mackerras <paulus@samba.org>
Fri, 24 Feb 2006 03:06:02 +0000 (14:06 +1100)
commitf055affb89f587a03f3411c3fd49ef31295c3d48
tree1c40a29191eba8267390fe397f8108ffa8d9ddb5
parent4f629d7db32decbadaab2abfa4d021fee94990ef
[PATCH] powerpc: native atomic_add_unless

Do atomic_add_unless natively instead of using cmpxchg.
Improved register allocation idea from Joel Schopp.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
include/asm-powerpc/atomic.h