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-rw-r--r--arch/sparc/lib/atomic32.c41
1 files changed, 16 insertions, 25 deletions
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index e15affbbb523..0d215a772428 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -159,32 +159,23 @@ unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask)
}
EXPORT_SYMBOL(sp32___change_bit);
-u32 __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
-{
- unsigned long flags;
- u32 prev;
-
- spin_lock_irqsave(ATOMIC_HASH(ptr), flags);
- if ((prev = *ptr) == old)
- *ptr = new;
- spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags);
-
- return prev;
-}
+#define CMPXCHG(T) \
+ T __cmpxchg_##T(volatile T *ptr, T old, T new) \
+ { \
+ unsigned long flags; \
+ T prev; \
+ \
+ spin_lock_irqsave(ATOMIC_HASH(ptr), flags); \
+ if ((prev = *ptr) == old) \
+ *ptr = new; \
+ spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags);\
+ \
+ return prev; \
+ }
+
+CMPXCHG(u32)
+CMPXCHG(u64)
EXPORT_SYMBOL(__cmpxchg_u32);
-
-u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
-{
- unsigned long flags;
- u64 prev;
-
- spin_lock_irqsave(ATOMIC_HASH(ptr), flags);
- if ((prev = *ptr) == old)
- *ptr = new;
- spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags);
-
- return prev;
-}
EXPORT_SYMBOL(__cmpxchg_u64);
unsigned long __xchg_u32(volatile u32 *ptr, u32 new)