linux-stable/include/asm-parisc/local.h
Kyle McMartin 2746ae14fe [PARISC] Make local_t use atomic_long_t
As done in asm-generic/local.h in mainline. Otherwise local_t was 32-bit
even on a 64-bit kernel.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2006-03-30 17:48:56 +00:00

40 lines
1.4 KiB
C

#ifndef _ARCH_PARISC_LOCAL_H
#define _ARCH_PARISC_LOCAL_H
#include <linux/percpu.h>
#include <asm/atomic.h>
typedef atomic_long_t local_t;
#define LOCAL_INIT(i) ATOMIC_LONG_INIT(i)
#define local_read(v) atomic_long_read(v)
#define local_set(v,i) atomic_long_set(v,i)
#define local_inc(v) atomic_long_inc(v)
#define local_dec(v) atomic_long_dec(v)
#define local_add(i, v) atomic_long_add(i, v)
#define local_sub(i, v) atomic_long_sub(i, v)
#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 /* _ARCH_PARISC_LOCAL_H */