diff options
| author | Aoi Shinkai <shinkoi2005@gmail.com> | 2009-06-10 12:15:42 -0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-06-11 02:31:55 -0400 |
| commit | 4c7c99788631bab177bd51e15e893be4689bb085 (patch) | |
| tree | 52e50e0b2a30b31dc8c6460e98279b3c1b47c476 /arch/sh/include/asm/cmpxchg-llsc.h | |
| parent | f168dd00a9440a6f644db73bda47718fd12008e4 (diff) | |
sh: Fix sh4a llsc-based cmpxchg()
This fixes up a typo in the ll/sc based cmpxchg code which apparently
wasn't getting a lot of testing due to the swapped old/new pair. With
that fixed up, the ll/sc code also starts using it and provides its own
atomic_add_unless().
Signed-off-by: Aoi Shinkai <shinkoi2005@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/cmpxchg-llsc.h')
| -rw-r--r-- | arch/sh/include/asm/cmpxchg-llsc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/include/asm/cmpxchg-llsc.h b/arch/sh/include/asm/cmpxchg-llsc.h index 0fac3da536ca..47136661a203 100644 --- a/arch/sh/include/asm/cmpxchg-llsc.h +++ b/arch/sh/include/asm/cmpxchg-llsc.h | |||
| @@ -55,7 +55,7 @@ __cmpxchg_u32(volatile int *m, unsigned long old, unsigned long new) | |||
| 55 | "mov %0, %1 \n\t" | 55 | "mov %0, %1 \n\t" |
| 56 | "cmp/eq %1, %3 \n\t" | 56 | "cmp/eq %1, %3 \n\t" |
| 57 | "bf 2f \n\t" | 57 | "bf 2f \n\t" |
| 58 | "mov %3, %0 \n\t" | 58 | "mov %4, %0 \n\t" |
| 59 | "2: \n\t" | 59 | "2: \n\t" |
| 60 | "movco.l %0, @%2 \n\t" | 60 | "movco.l %0, @%2 \n\t" |
| 61 | "bf 1b \n\t" | 61 | "bf 1b \n\t" |