diff options
| author | Nick Piggin <npiggin@suse.de> | 2008-11-11 12:54:15 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-11-19 00:04:58 -0500 |
| commit | ae564c63b8311fa73c21e456e00dba1f4b1ff6bc (patch) | |
| tree | 743ed995f8718d465c8008a61755ea47feb73f6e /arch/powerpc/kernel/prom_parse.c | |
| parent | 957ab07b44d839ee8267e827fc4e8f1853798f57 (diff) | |
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>
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
0 files changed, 0 insertions, 0 deletions