diff options
| author | Anton Blanchard <anton@samba.org> | 2010-02-10 01:04:06 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-17 14:03:15 +1100 |
| commit | f10e2e5b4b4c9937de596f96ffe028be3a565598 (patch) | |
| tree | 89808d05159ac5bd4aeea53b52dc0ddb3373fe65 /arch/powerpc/include/asm/synch.h | |
| parent | 66d99b883419b8df6d0a24ca957da7ab4831cf6e (diff) | |
powerpc: Rename LWSYNC_ON_SMP to PPC_RELEASE_BARRIER, ISYNC_ON_SMP to PPC_ACQUIRE_BARRIER
For performance reasons we are about to change ISYNC_ON_SMP to sometimes be
lwsync. Now that the macro name doesn't make sense, change it and LWSYNC_ON_SMP
to better explain what the barriers are doing.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/synch.h')
| -rw-r--r-- | arch/powerpc/include/asm/synch.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index 28f6ddbff4c..5db1f0d5ea8 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -37,11 +37,11 @@ static inline void isync(void) #endif #ifdef CONFIG_SMP -#define ISYNC_ON_SMP "\n\tisync\n" -#define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n" +#define PPC_ACQUIRE_BARRIER "\n\tisync\n" +#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" #else -#define ISYNC_ON_SMP -#define LWSYNC_ON_SMP +#define PPC_ACQUIRE_BARRIER +#define PPC_RELEASE_BARRIER #endif #endif /* __KERNEL__ */ |