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authorAnton Blanchard <anton@samba.org>2010-02-10 04:04:06 +0300
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-17 06:03:15 +0300
commitf10e2e5b4b4c9937de596f96ffe028be3a565598 (patch)
tree89808d05159ac5bd4aeea53b52dc0ddb3373fe65 /arch/powerpc/include/asm/synch.h
parent66d99b883419b8df6d0a24ca957da7ab4831cf6e (diff)
downloadlinux-f10e2e5b4b4c9937de596f96ffe028be3a565598.tar.xz
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.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index 28f6ddbff4cf..5db1f0d5ea82 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__ */