tree bb24d49bb9cc2167742af843718587b408ad71e2
parent df80c8c5679c4e6c72e694525d76a9f26d5f33dc
author Gunnar Larisch <gl@denx.de> 1202372182 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1202402552 -0800

Add cmpxchg_local to ppc

Add a local processor version of cmpxchg for ppc.

Implements __cmpxchg_u32_local and uses it for 32 bits cmpxchg_local.
It uses the non NMI safe cmpxchg_local_generic for 1, 2 and 8 bytes
cmpxchg_local.

Signed-off-by: Gunnar Larisch <gl@denx.de>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>