include/asm-um/smp.h

   1 #ifndef __UM_SMP_H
   2 #define __UM_SMP_H
   3
   4 extern unsigned long cpu_online_map;
   5
   6 #ifdef CONFIG_SMP
   7
   8 #include "linux/config.h"
   9 #include "linux/bitops.h"
  10 #include "asm/current.h"
  11
  12 #define smp_processor_id() (current->thread_info->cpu)
  13 #define cpu_logical_map(n) (n)
  14 #define cpu_number_map(n) (n)
  15 #define PROC_CHANGE_PENALTY     15 /* Pick a number, any number */
  16 extern int hard_smp_processor_id(void);
  17 #define NO_PROC_ID -1
  18
  19 #define cpu_online(cpu) (cpu_online_map & (1<<(cpu)))
  20
  21 extern int ncpus;
  22 #define cpu_possible(cpu) (cpu < ncpus)
  23
  24 extern inline unsigned int num_online_cpus(void)
  25 {
  26         return(hweight32(cpu_online_map));
  27 }
  28
  29 extern inline void smp_cpus_done(unsigned int maxcpus)
  30 {
  31 }
  32
  33 #endif
  34
  35 #endif