mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
f64fa6772a
Local add/sub macros need to have a parameter to specify the addend/subtrahend respectively. Signed-off-by: Christoph Lameter <clameter@sgi.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
#ifndef _ASM_IA64_LOCAL_H
|
|
#define _ASM_IA64_LOCAL_H
|
|
|
|
/*
|
|
* Copyright (C) 2003 Hewlett-Packard Co
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
*/
|
|
|
|
#include <linux/percpu.h>
|
|
|
|
typedef struct {
|
|
atomic64_t val;
|
|
} local_t;
|
|
|
|
#define LOCAL_INIT(i) ((local_t) { { (i) } })
|
|
#define local_read(l) atomic64_read(&(l)->val)
|
|
#define local_set(l, i) atomic64_set(&(l)->val, i)
|
|
#define local_inc(l) atomic64_inc(&(l)->val)
|
|
#define local_dec(l) atomic64_dec(&(l)->val)
|
|
#define local_add(i, l) atomic64_add((i), &(l)->val)
|
|
#define local_sub(i, l) atomic64_sub((i), &(l)->val)
|
|
|
|
/* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */
|
|
|
|
#define __local_inc(l) (++(l)->val.counter)
|
|
#define __local_dec(l) (--(l)->val.counter)
|
|
#define __local_add(i,l) ((l)->val.counter += (i))
|
|
#define __local_sub(i,l) ((l)->val.counter -= (i))
|
|
|
|
/*
|
|
* Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo),
|
|
* not an address.
|
|
*/
|
|
#define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v))
|
|
#define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i))
|
|
#define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v))
|
|
#define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v))
|
|
#define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v))
|
|
#define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v))
|
|
|
|
/*
|
|
* Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt,
|
|
* etc.
|
|
*/
|
|
#define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v))
|
|
#define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v))
|
|
#define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v))
|
|
#define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v))
|
|
|
|
#endif /* _ASM_IA64_LOCAL_H */
|