16 #define local_read(l)	atomic_long_read(&(l)->a)  argument
17 #define local_set(l, i)	atomic_long_set(&(l)->a, (i))  argument
19 static inline void local_inc(local_t *l)  in local_inc()  argument
22 		     : "+m" (l->a.counter));  in local_inc()
25 static inline void local_dec(local_t *l)  in local_dec()  argument
28 		     : "+m" (l->a.counter));  in local_dec()
31 static inline void local_add(long i, local_t *l)  in local_add()  argument
33 	asm volatile(_ASM_ADD "%1,%0"  in local_add()
34 		     : "+m" (l->a.counter)  in local_add()
38 static inline void local_sub(long i, local_t *l)  in local_sub()  argument
40 	asm volatile(_ASM_SUB "%1,%0"  in local_sub()
41 		     : "+m" (l->a.counter)  in local_sub()
48  * @l: pointer to type local_t
50  * Atomically subtracts @i from @l and returns
54 static inline bool local_sub_and_test(long i, local_t *l)  in local_sub_and_test()  argument
56 	return GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, e, "er", i);  in local_sub_and_test()
61  * @l: pointer to type local_t
63  * Atomically decrements @l by 1 and
67 static inline bool local_dec_and_test(local_t *l)  in local_dec_and_test()  argument
69 	return GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, e);  in local_dec_and_test()
74  * @l: pointer to type local_t
76  * Atomically increments @l by 1
80 static inline bool local_inc_and_test(local_t *l)  in local_inc_and_test()  argument
82 	return GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, e);  in local_inc_and_test()
88  * @l: pointer to type local_t
90  * Atomically adds @i to @l and returns true
94 static inline bool local_add_negative(long i, local_t *l)  in local_add_negative()  argument
96 	return GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, s, "er", i);  in local_add_negative()
102  * @l: pointer to type local_t
104  * Atomically adds @i to @l and returns @i + @l
106 static inline long local_add_return(long i, local_t *l)  in local_add_return()  argument
109 	asm volatile(_ASM_XADD "%0, %1;"  in local_add_return()
110 		     : "+r" (i), "+m" (l->a.counter)  in local_add_return()
115 static inline long local_sub_return(long i, local_t *l)  in local_sub_return()  argument
117 	return local_add_return(-i, l);  in local_sub_return()
120 #define local_inc_return(l)  (local_add_return(1, l))  argument
121 #define local_dec_return(l)  (local_sub_return(1, l))  argument
123 static inline long local_cmpxchg(local_t *l, long old, long new)  in local_cmpxchg()  argument
125 	return cmpxchg_local(&l->a.counter, old, new);  in local_cmpxchg()
128 static inline bool local_try_cmpxchg(local_t *l, long *old, long new)  in local_try_cmpxchg()  argument
130 	return try_cmpxchg_local(&l->a.counter,  in local_try_cmpxchg()
131 				 (typeof(l->a.counter) *) old, new);  in local_try_cmpxchg()
140 local_xchg(local_t *l, long n)  in local_xchg()  argument
142 	long c = local_read(l);  in local_xchg()
144 	do { } while (!local_try_cmpxchg(l, &c, n));  in local_xchg()
151  * @l: pointer of type local_t
152  * @a: the amount to add to l...
153  * @u: ...unless l is equal to u.
155  * Atomically adds @a to @l, if @v was not already @u.
159 local_add_unless(local_t *l, long a, long u)  in local_add_unless()  argument
161 	long c = local_read(l);  in local_add_unless()
166 	} while (!local_try_cmpxchg(l, &c, c + a));  in local_add_unless()
171 #define local_inc_not_zero(l) local_add_unless((l), 1, 0)  argument
177 #define __local_inc(l)		local_inc(l)  argument
178 #define __local_dec(l)		local_dec(l)  argument
179 #define __local_add(i, l)	local_add((i), (l))  argument
180 #define __local_sub(i, l)	local_sub((i), (l))  argument