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Diffstat (limited to 'include/asm-generic/mutex-dec.h')
-rw-r--r--include/asm-generic/mutex-dec.h30
1 files changed, 16 insertions, 14 deletions
diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h
index 40c6d1f8659..29c6ac34e23 100644
--- a/include/asm-generic/mutex-dec.h
+++ b/include/asm-generic/mutex-dec.h
@@ -17,13 +17,14 @@
* it wasn't 1 originally. This function MUST leave the value lower than
* 1 even when the "1" assertion wasn't true.
*/
-#define __mutex_fastpath_lock(count, fail_fn) \
-do { \
- if (unlikely(atomic_dec_return(count) < 0)) \
- fail_fn(count); \
- else \
- smp_mb(); \
-} while (0)
+static inline void
+__mutex_fastpath_lock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+{
+ if (unlikely(atomic_dec_return(count) < 0))
+ fail_fn(count);
+ else
+ smp_mb();
+}
/**
* __mutex_fastpath_lock_retval - try to take the lock by moving the count
@@ -36,7 +37,7 @@ do { \
* or anything the slow path function returns.
*/
static inline int
-__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock_retval(atomic_t *count, fastcall int (*fail_fn)(atomic_t *))
{
if (unlikely(atomic_dec_return(count) < 0))
return fail_fn(count);
@@ -59,12 +60,13 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
* __mutex_slowpath_needs_to_unlock() macro needs to return 1, it needs
* to return 0 otherwise.
*/
-#define __mutex_fastpath_unlock(count, fail_fn) \
-do { \
- smp_mb(); \
- if (unlikely(atomic_inc_return(count) <= 0)) \
- fail_fn(count); \
-} while (0)
+static inline void
+__mutex_fastpath_unlock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+{
+ smp_mb();
+ if (unlikely(atomic_inc_return(count) <= 0))
+ fail_fn(count);
+}
#define __mutex_slowpath_needs_to_unlock() 1