locking/asm-generic: Add _{relaxed|acquire|release}() variants for inc/dec atomics

[mirror_ubuntu-bionic-kernel.git] / include / asm-generic / atomic-long.h

diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h
index 8942cdc676a70fc8cd1c4c1c6adae8221bf322c2..f91093c2984cd3d111f132bae26882674bcd663e 100644 (file)
--- a/include/asm-generic/atomic-long.h
+++ b/include/asm-generic/atomic-long.h
@@ -159,19 +159,24 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l)
        return ATOMIC_LONG_PFX(_add_negative)(i, v);
 }
 
-static inline long atomic_long_inc_return(atomic_long_t *l)
-{
-       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-       return (long)ATOMIC_LONG_PFX(_inc_return)(v);
-}
-
-static inline long atomic_long_dec_return(atomic_long_t *l)
-{
-       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-       return (long)ATOMIC_LONG_PFX(_dec_return)(v);
+#define ATOMIC_LONG_INC_DEC_OP(op, mo)                                 \
+static inline long                                                     \
+atomic_long_##op##_return##mo(atomic_long_t *l)                                \
+{                                                                      \
+       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;              \
+                                                                       \
+       return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(v);            \
 }
+ATOMIC_LONG_INC_DEC_OP(inc,)
+ATOMIC_LONG_INC_DEC_OP(inc, _relaxed)
+ATOMIC_LONG_INC_DEC_OP(inc, _acquire)
+ATOMIC_LONG_INC_DEC_OP(inc, _release)
+ATOMIC_LONG_INC_DEC_OP(dec,)
+ATOMIC_LONG_INC_DEC_OP(dec, _relaxed)
+ATOMIC_LONG_INC_DEC_OP(dec, _acquire)
+ATOMIC_LONG_INC_DEC_OP(dec, _release)
+
+#undef ATOMIC_LONG_INC_DEC_OP
 
 static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
 {