4 #include "asm-generic/atomic.h"
15  * atomic_read - read atomic variable
16  * @v: pointer of type atomic_t
18  * Atomically reads the value of @v.
20 static inline int atomic_read(const atomic_t *v)  in atomic_read()  argument
22 	return v->counter;  in atomic_read()
26  * atomic_set - set atomic variable
27  * @v: pointer of type atomic_t
30  * Atomically sets the value of @v to @i.
32 static inline void atomic_set(atomic_t *v, int i)  in atomic_set()  argument
34 	v->counter = i;  in atomic_set()
38  * atomic_inc - increment atomic variable
39  * @v: pointer of type atomic_t
41  * Atomically increments @v by 1.
43 static inline void atomic_inc(atomic_t *v)  in atomic_inc()  argument
46 		     : "+m" (v->counter));  in atomic_inc()
50  * atomic_dec - decrement atomic variable
51  * @v: pointer of type atomic_t
53  * Atomically decrements @v by 1.
55 static inline void atomic_dec(atomic_t *v)  in atomic_dec()  argument
58 		     : "+m" (v->counter));  in atomic_dec()
68  * atomic64_read - read atomic64 variable
81 	 * fact that cmpxchg8b returns the current 64-bit value  in atomic64_read()
93 u64 atomic64_cmpxchg(atomic64_t *v, u64 old, u64 new);
98  * atomic_read - read atomic variable
99  * @v: pointer of type atomic_t
101  * Atomically reads the value of @v.
103 static inline int atomic_read(const atomic_t *v)  in atomic_read()  argument
105 	return v->counter;  in atomic_read()
109  * atomic_set - set atomic variable
110  * @v: pointer of type atomic_t
113  * Atomically sets the value of @v to @i.
115 static inline void atomic_set(atomic_t *v, int i)  in atomic_set()  argument
117 	v->counter = i;  in atomic_set()
121  * atomic_inc - increment atomic variable
122  * @v: pointer of type atomic_t
124  * Atomically increments @v by 1.
126 static inline void atomic_inc(atomic_t *v)  in atomic_inc()  argument
129 		     : "=m" (v->counter)  in atomic_inc()
130 		     : "m" (v->counter));  in atomic_inc()
134  * atomic_dec - decrement atomic variable
135  * @v: pointer of type atomic_t
137  * Atomically decrements @v by 1.
139 static inline void atomic_dec(atomic_t *v)  in atomic_dec()  argument
142 		     : "=m" (v->counter)  in atomic_dec()
143 		     : "m" (v->counter));  in atomic_dec()
153  * atomic64_read - read atomic64 variable
154  * @v: pointer of type atomic64_t
156  * Atomically reads the value of @v.
159 static inline long atomic64_read(const atomic64_t *v)  in atomic64_read()  argument
161 	return v->counter;  in atomic64_read()
164 u64 atomic64_cmpxchg(atomic64_t *v, u64 old, u64 new);