LXR linux-bk/include/asm-alpha/local.h

   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 */
  41