Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _ALPHA_LOCAL_H
2#define _ALPHA_LOCAL_H
3
4#include <linux/percpu.h>
5#include <asm/atomic.h>
6
7typedef atomic64_t local_t;
8
9#define LOCAL_INIT(i) ATOMIC64_INIT(i)
10#define local_read(v) atomic64_read(v)
11#define local_set(v,i) atomic64_set(v,i)
12
13#define local_inc(v) atomic64_inc(v)
14#define local_dec(v) atomic64_dec(v)
15#define local_add(i, v) atomic64_add(i, v)
16#define local_sub(i, v) atomic64_sub(i, v)
17
18#define __local_inc(v) ((v)->counter++)
19#define __local_dec(v) ((v)->counter++)
20#define __local_add(i,v) ((v)->counter+=(i))
21#define __local_sub(i,v) ((v)->counter-=(i))
22
23/* Use these for per-cpu local_t variables: on some archs they are
24 * much more efficient than these naive implementations. Note they take
25 * a variable, not an address.
26 */
27#define cpu_local_read(v) local_read(&__get_cpu_var(v))
28#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
29
30#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
31#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
32#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
33#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
34
35#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
36#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
37#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
38#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
39
40#endif /* _ALPHA_LOCAL_H */