include/asm/local.h

1 /* SPDX-License-Identifier: GPL-2.0 */
14 #define local_read(l)	atomic_long_read(&(l)->a)
15 #define local_set(l,i)	atomic_long_set(&(l)->a, (i))
16 #define local_inc(l)	atomic_long_inc(&(l)->a)
17 #define local_dec(l)	atomic_long_dec(&(l)->a)
18 #define local_add(i,l)	atomic_long_add((i),(&(l)->a))
19 #define local_sub(i,l)	atomic_long_sub((i),(&(l)->a))
26 	"	addq %0,%3,%2\n"  in local_add_return()
29 	"	beq %0,2f\n"  in local_add_return()
30 	".subsection 2\n"  in local_add_return()
31 	"2:	br 1b\n"  in local_add_return()
33 	:"=&r" (temp), "=m" (l->a.counter), "=&r" (result)  in local_add_return()
34 	:"Ir" (i), "m" (l->a.counter) : "memory");  in local_add_return()
43 	"	subq %0,%3,%2\n"  in local_sub_return()
46 	"	beq %0,2f\n"  in local_sub_return()
47 	".subsection 2\n"  in local_sub_return()
48 	"2:	br 1b\n"  in local_sub_return()
50 	:"=&r" (temp), "=m" (l->a.counter), "=&r" (result)  in local_sub_return()
51 	:"Ir" (i), "m" (l->a.counter) : "memory");  in local_sub_return()
57 	return cmpxchg_local(&l->a.counter, old, new);  in local_cmpxchg()
62 	return try_cmpxchg_local(&l->a.counter, (s64 *)old, new);  in local_try_cmpxchg()
65 #define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n)))
68  * local_add_unless - add unless the number is already a given value
104 #define __local_inc(l)		((l)->a.counter++)
105 #define __local_dec(l)		((l)->a.counter++)
106 #define __local_add(i,l)	((l)->a.counter+=(i))
107 #define __local_sub(i,l)	((l)->a.counter-=(i))