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| author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2012-05-24 22:14:39 +0000 |
|---|---|---|
| committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2012-05-24 22:14:39 +0000 |
| commit | cb2f55559e73b6838760812dff1b5430a7c57a54 (patch) | |
| tree | 9447cfaa8ce0e40053459061de561297b5950289 /sys/powerpc/include | |
| parent | 3184129b6e7acca1f8fb1e2595987d1c23d2c943 (diff) | |
| download | FreeBSD-src-cb2f55559e73b6838760812dff1b5430a7c57a54.zip FreeBSD-src-cb2f55559e73b6838760812dff1b5430a7c57a54.tar.gz | |
Atomic operation acquire barriers also need to be isync on 64-bit systems.
Diffstat (limited to 'sys/powerpc/include')
| -rw-r--r-- | sys/powerpc/include/atomic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/powerpc/include/atomic.h b/sys/powerpc/include/atomic.h index baac400..3460443 100644 --- a/sys/powerpc/include/atomic.h +++ b/sys/powerpc/include/atomic.h @@ -52,7 +52,7 @@ #define rmb() __asm __volatile("lwsync" : : : "memory") #define wmb() __asm __volatile("lwsync" : : : "memory") #define __ATOMIC_REL() __asm __volatile("lwsync" : : : "memory") -#define __ATOMIC_ACQ() __asm __volatile("lwsync" : : : "memory") +#define __ATOMIC_ACQ() __asm __volatile("isync" : : : "memory") #else #define mb() __asm __volatile("sync" : : : "memory") #define rmb() __asm __volatile("sync" : : : "memory") |
