locking, asm-generic: Add _{relaxed|acquire|release}() variants for 'atomic_long_t'

This patch adds 'atomic_long_t' wrappers for the new relaxed atomic operations.

Signed-off-by: Will Deacon <[e-mail]>
Signed-off-by: Peter Zijlstra (Intel) <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

include/asm-generic/atomic-long.h

···
 
 #endif
 
-static inline long atomic_long_read(atomic_long_t *l)
-{
-	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-	return (long)ATOMIC_LONG_PFX(_read)(v);
+#define ATOMIC_LONG_READ_OP(mo)						\
+static inline long atomic_long_read##mo(atomic_long_t *l)		\
+{									\
+	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\
+									\
+	return (long)ATOMIC_LONG_PFX(_read##mo)(v);			\
 }
+ATOMIC_LONG_READ_OP()
+ATOMIC_LONG_READ_OP(_acquire)
 
-static inline void atomic_long_set(atomic_long_t *l, long i)
-{
-	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+#undef ATOMIC_LONG_READ_OP
 
-	ATOMIC_LONG_PFX(_set)(v, i);
+#define ATOMIC_LONG_SET_OP(mo)						\
+static inline void atomic_long_set##mo(atomic_long_t *l, long i)	\
+{									\
+	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\
+									\
+	ATOMIC_LONG_PFX(_set##mo)(v, i);				\
 }
+ATOMIC_LONG_SET_OP()
+ATOMIC_LONG_SET_OP(_release)
+
+#undef ATOMIC_LONG_SET_OP
+
+#define ATOMIC_LONG_ADD_SUB_OP(op, mo)					\
+static inline long							\
+atomic_long_##op##_return##mo(long i, atomic_long_t *l)			\
+{									\
+	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;		\
+									\
+	return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(i, v);		\
+}
+ATOMIC_LONG_ADD_SUB_OP(add,)
+ATOMIC_LONG_ADD_SUB_OP(add, _relaxed)
+ATOMIC_LONG_ADD_SUB_OP(add, _acquire)
+ATOMIC_LONG_ADD_SUB_OP(add, _release)
+ATOMIC_LONG_ADD_SUB_OP(sub,)
+ATOMIC_LONG_ADD_SUB_OP(sub, _relaxed)
+ATOMIC_LONG_ADD_SUB_OP(sub, _acquire)
+ATOMIC_LONG_ADD_SUB_OP(sub, _release)
+
+#undef ATOMIC_LONG_ADD_SUB_OP
+
+#define atomic_long_cmpxchg_relaxed(l, old, new) \
+	(ATOMIC_LONG_PFX(_cmpxchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(l), \
+					   (old), (new)))
+#define atomic_long_cmpxchg_acquire(l, old, new) \
+	(ATOMIC_LONG_PFX(_cmpxchg_acquire)((ATOMIC_LONG_PFX(_t) *)(l), \
+					   (old), (new)))
+#define atomic_long_cmpxchg_release(l, old, new) \
+	(ATOMIC_LONG_PFX(_cmpxchg_release)((ATOMIC_LONG_PFX(_t) *)(l), \
+					   (old), (new)))
+#define atomic_long_cmpxchg(l, old, new) \
+	(ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new)))
+
+#define atomic_long_xchg_relaxed(v, new) \
+	(ATOMIC_LONG_PFX(_xchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
+#define atomic_long_xchg_acquire(v, new) \
+	(ATOMIC_LONG_PFX(_xchg_acquire)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
+#define atomic_long_xchg_release(v, new) \
+	(ATOMIC_LONG_PFX(_xchg_release)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
+#define atomic_long_xchg(v, new) \
+	(ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
 
 static inline void atomic_long_inc(atomic_long_t *l)
 {
···
 	return ATOMIC_LONG_PFX(_add_negative)(i, v);
 }
 
-static inline long atomic_long_add_return(long i, atomic_long_t *l)
-{
-	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-	return (long)ATOMIC_LONG_PFX(_add_return)(i, v);
-}
-
-static inline long atomic_long_sub_return(long i, atomic_long_t *l)
-{
-	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-	return (long)ATOMIC_LONG_PFX(_sub_return)(i, v);
-}
-
 static inline long atomic_long_inc_return(atomic_long_t *l)
 {
 	ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
···
 
 #define atomic_long_inc_not_zero(l) \
 	ATOMIC_LONG_PFX(_inc_not_zero)((ATOMIC_LONG_PFX(_t) *)(l))
-#define atomic_long_cmpxchg(l, old, new) \
-	(ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new)))
-#define atomic_long_xchg(v, new) \
-	(ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new)))
 
 #endif  /*  _ASM_GENERIC_ATOMIC_LONG_H  */