Nick Piggin ae564c63b8 powerpc: Optimise mutex
This implements an optimised mutex fastpath for powerpc, making use of
acquire and release barrier semantics.  This takes the mutex
lock+unlock benchmark from 203 to 173 cycles on a G5.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-11-19 16:04:58 +11:00
..
2008-10-31 23:37:57 +01:00
2008-10-20 08:52:41 -07:00
2008-11-19 16:04:58 +11:00
2008-10-31 16:29:20 +09:00
2008-11-10 12:35:29 -08:00