release/src-rt-6.x/linux/linux-2.6/include/asm-um/smp.h

   1 #ifndef __UM_SMP_H
   2 #define __UM_SMP_H
   3
   4 #ifdef CONFIG_SMP
   5
   6 #include "linux/bitops.h"
   7 #include "asm/current.h"
   8 #include "linux/cpumask.h"
   9
  10 #define raw_smp_processor_id() (current_thread->cpu)
  11
  12 #define cpu_logical_map(n) (n)
  13 #define cpu_number_map(n) (n)
  14 #define PROC_CHANGE_PENALTY     15 /* Pick a number, any number */
  15 extern int hard_smp_processor_id(void);
  16 #define NO_PROC_ID -1
  17
  18 extern int ncpus;
  19
  20
  21 extern inline void smp_cpus_done(unsigned int maxcpus)
  22 {
  23 }
  24
  25 extern struct task_struct *idle_threads[NR_CPUS];
  26
  27 #else
  28
  29 #define hard_smp_processor_id()         0
  30
  31 #endif
  32
  33 #endif