40  * @v: pointer of type atomic_t
42  * Atomically reads the value of @v.
44 #define atomic_read(v)		READ_ONCE((v)->counter)  argument
48  * @v: pointer of type atomic_t
51  * Atomically sets the value of @v to @i.
53 #define atomic_set(v, i)	WRITE_ONCE((v)->counter, (i))  argument
56 static __inline__ void atomic_##op(int i, atomic_t * v)			      \
64 		"	" #asm_op " %0, %2				\n"   \
68 		: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter)	      \
74 		v->counter c_op i;					      \
80 static __inline__ int atomic_##op##_return_relaxed(int i, atomic_t * v)	      \
89 		"1:	ll	%1, %2		# atomic_" #op "_return	\n"   \
91 		"	sc	%0, %2					\n"   \
96 		  "+" GCC_OFF_SMALL_ASM() (v->counter)			      \
102 		result = v->counter;					      \
104 		v->counter = result;					      \
112 static __inline__ int atomic_fetch_##op##_relaxed(int i, atomic_t * v)	      \
121 		"1:	ll	%1, %2		# atomic_fetch_" #op "	\n"   \
123 		"	sc	%0, %2					\n"   \
128 		  "+" GCC_OFF_SMALL_ASM() (v->counter)			      \
134 		result = v->counter;					      \
135 		v->counter c_op i;					      \
176  * @v: pointer of type atomic_t
178  * Atomically test @v and subtract @i if @v is greater or equal than @i.
179  * The function returns the old value of @v minus @i.
181 static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)  in atomic_sub_if_positive()  argument
192 		"1:	ll	%1, %2		# atomic_sub_if_positive\n"  in atomic_sub_if_positive()
198 		"	sc	%1, %2					\n"  in atomic_sub_if_positive()
203 		  "+" GCC_OFF_SMALL_ASM() (v->counter)  in atomic_sub_if_positive()
209 		result = v->counter;  in atomic_sub_if_positive()
212 			v->counter = result;  in atomic_sub_if_positive()
221 #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))  argument
222 #define atomic_xchg(v, new) (xchg(&((v)->counter), (new)))  argument
226  * @v: pointer of type atomic_t
228 #define atomic_dec_if_positive(v)	atomic_sub_if_positive(1, v)  argument
236  * @v: pointer of type atomic64_t
239 #define atomic64_read(v)	READ_ONCE((v)->counter)  argument
243  * @v: pointer of type atomic64_t
246 #define atomic64_set(v, i)	WRITE_ONCE((v)->counter, (i))  argument
249 static __inline__ void atomic64_##op(long i, atomic64_t * v)		      \
257 		"	" #asm_op " %0, %2				\n"   \
261 		: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter)	      \
267 		v->counter c_op i;					      \
273 static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \
282 		"1:	lld	%1, %2		# atomic64_" #op "_return\n"  \
284 		"	scd	%0, %2					\n"   \
289 		  "+" GCC_OFF_SMALL_ASM() (v->counter)			      \
295 		result = v->counter;					      \
297 		v->counter = result;					      \
305 static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v)  \
314 		"1:	lld	%1, %2		# atomic64_fetch_" #op "\n"   \
316 		"	scd	%0, %2					\n"   \
321 		  "+" GCC_OFF_SMALL_ASM() (v->counter)			      \
327 		result = v->counter;					      \
328 		v->counter c_op i;					      \
370  * @v: pointer of type atomic64_t
372  * Atomically test @v and subtract @i if @v is greater or equal than @i.
373  * The function returns the old value of @v minus @i.
375 static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)  in atomic64_sub_if_positive()  argument
386 		"1:	lld	%1, %2		# atomic64_sub_if_positive\n"  in atomic64_sub_if_positive()
390 		"	scd	%1, %2					\n"  in atomic64_sub_if_positive()
395 		  "+" GCC_OFF_SMALL_ASM() (v->counter)  in atomic64_sub_if_positive()
401 		result = v->counter;  in atomic64_sub_if_positive()
404 			v->counter = result;  in atomic64_sub_if_positive()
413 #define atomic64_cmpxchg(v, o, n) \  argument
414 	((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
415 #define atomic64_xchg(v, new) (xchg(&((v)->counter), (new)))  argument
419  * @v: pointer of type atomic64_t
421 #define atomic64_dec_if_positive(v)	atomic64_sub_if_positive(1, v)  argument