[PATCH 25/31] arch,sh: Convert smp_mb__*

[Peter Zijlstra]

SH can use the asm-generic/barrier.h implementation since that uses
smp_mb().

Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
---
 arch/sh/include/asm/atomic.h |    6 +-----
 arch/sh/include/asm/bitops.h |    7 +------
 2 files changed, 2 insertions(+), 11 deletions(-)

--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -10,6 +10,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <asm/cmpxchg.h>
+#include <asm/barrier.h>
 
 #define ATOMIC_INIT(i)	{ (i) }
 
@@ -62,9 +63,4 @@ static inline int __atomic_add_unless(at
 	return c;
 }
 
-#define smp_mb__before_atomic_dec()	smp_mb()
-#define smp_mb__after_atomic_dec()	smp_mb()
-#define smp_mb__before_atomic_inc()	smp_mb()
-#define smp_mb__after_atomic_inc()	smp_mb()
-
 #endif /* __ASM_SH_ATOMIC_H */
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -9,6 +9,7 @@
 
 /* For __swab32 */
 #include <asm/byteorder.h>
+#include <asm/barrier.h>
 
 #ifdef CONFIG_GUSA_RB
 #include <asm/bitops-grb.h>
@@ -22,12 +23,6 @@
 #include <asm-generic/bitops/non-atomic.h>
 #endif
 
-/*
- * clear_bit() doesn't provide any barrier for the compiler.
- */
-#define smp_mb__before_clear_bit()	smp_mb()
-#define smp_mb__after_clear_bit()	smp_mb()
-
 #ifdef CONFIG_SUPERH32
 static inline unsigned long ffz(unsigned long word)
 {


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/