kernel/up.c

   1 /*
   2  * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
   3  */
   4
   5 #include <linux/kernel.h>
   6 #include <linux/module.h>
   7 #include <linux/smp.h>
   8
   9 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
  10                                 int wait)
  11 {
  12         WARN_ON(cpu != 0);
  13
  14         local_irq_disable();
  15         (func)(info);
  16         local_irq_enable();
  17
  18         return 0;
  19 }
  20 EXPORT_SYMBOL(smp_call_function_single);