61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#ifndef _ASM_LOCAL_H
|
|
#define _ASM_LOCAL_H
|
|
|
|
#include <linux/percpu.h>
|
|
#include <asm/atomic.h>
|
|
|
|
#ifdef CONFIG_32BIT
|
|
|
|
typedef atomic_t local_t;
|
|
|
|
#define LOCAL_INIT(i) ATOMIC_INIT(i)
|
|
#define local_read(v) atomic_read(v)
|
|
#define local_set(v,i) atomic_set(v,i)
|
|
|
|
#define local_inc(v) atomic_inc(v)
|
|
#define local_dec(v) atomic_dec(v)
|
|
#define local_add(i, v) atomic_add(i, v)
|
|
#define local_sub(i, v) atomic_sub(i, v)
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_64BIT
|
|
|
|
typedef atomic64_t local_t;
|
|
|
|
#define LOCAL_INIT(i) ATOMIC64_INIT(i)
|
|
#define local_read(v) atomic64_read(v)
|
|
#define local_set(v,i) atomic64_set(v,i)
|
|
|
|
#define local_inc(v) atomic64_inc(v)
|
|
#define local_dec(v) atomic64_dec(v)
|
|
#define local_add(i, v) atomic64_add(i, v)
|
|
#define local_sub(i, v) atomic64_sub(i, v)
|
|
|
|
#endif
|
|
|
|
#define __local_inc(v) ((v)->counter++)
|
|
#define __local_dec(v) ((v)->counter--)
|
|
#define __local_add(i,v) ((v)->counter+=(i))
|
|
#define __local_sub(i,v) ((v)->counter-=(i))
|
|
|
|
/*
|
|
* Use these for per-cpu local_t variables: on some archs they are
|
|
* much more efficient than these naive implementations. Note they take
|
|
* a variable, not an address.
|
|
*/
|
|
#define cpu_local_read(v) local_read(&__get_cpu_var(v))
|
|
#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
|
|
|
|
#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
|
|
#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
|
|
#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
|
|
#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
|
|
|
|
#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
|
|
#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
|
|
#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
|
|
#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
|
|
|
|
#endif /* _ASM_LOCAL_H */
|