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
   7 typedef 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 */