37 #define atomic_read(v)	READ_ONCE((v)->counter)  argument
46 #define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))  argument
49 static inline void atomic_##op(int i, atomic_t *v)			\
62 		: "=&r"(status), "=&r"(retval), "=m"(v->counter)	\
63 		: "a"(ATOMIC_OPS_BASE_ADDR), "r"(&v->counter), "r"(i)	\
68 static inline int atomic_##op##_return(int i, atomic_t *v)		\
81 		: "=&r"(status), "=&r"(retval), "=m"(v->counter)	\
82 		: "a"(ATOMIC_OPS_BASE_ADDR), "r"(&v->counter), "r"(i)	\
100 static inline int atomic_add_negative(int i, atomic_t *v)  in ATOMIC_OPS()
102 	return atomic_add_return(i, v) < 0;  in ATOMIC_OPS()
105 static inline void atomic_inc(atomic_t *v)  in atomic_inc()  argument
107 	atomic_add_return(1, v);  in atomic_inc()
110 static inline void atomic_dec(atomic_t *v)  in atomic_dec()  argument
112 	atomic_sub_return(1, v);  in atomic_dec()
115 #define atomic_dec_return(v)		atomic_sub_return(1, (v))  argument
116 #define atomic_inc_return(v)		atomic_add_return(1, (v))  argument
118 #define atomic_sub_and_test(i, v)	(atomic_sub_return((i), (v)) == 0)  argument
119 #define atomic_dec_and_test(v)		(atomic_sub_return(1, (v)) == 0)  argument
120 #define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)  argument
122 #define __atomic_add_unless(v, a, u)				\  argument
125 	c = atomic_read(v);					\
126 	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
131 #define atomic_xchg(ptr, v)		(xchg(&(ptr)->counter, (v)))  argument
132 #define atomic_cmpxchg(v, old, new)	(cmpxchg(&((v)->counter), (old), (new)))  argument