include/asm-i386/mach-default/mach_ipi.h

   1 #ifndef __ASM_MACH_IPI_H
   2 #define __ASM_MACH_IPI_H
   3
   4 void send_IPI_mask_bitmask(cpumask_t mask, int vector);
   5 void __send_IPI_shortcut(unsigned int shortcut, int vector);
   6
   7 static inline void send_IPI_mask(cpumask_t mask, int vector)
   8 {
   9         send_IPI_mask_bitmask(mask, vector);
  10 }
  11
  12 static inline void send_IPI_allbutself(int vector)
  13 {
  14         /*
  15          * if there are no other CPUs in the system then we get an APIC send
  16          * error if we try to broadcast, thus avoid sending IPIs in this case.
  17          */
  18         if (!(num_online_cpus() > 1))
  19                 return;
  20
  21         __send_IPI_shortcut(APIC_DEST_ALLBUT, vector);
  22         return;
  23 }
  24
  25 static inline void send_IPI_all(int vector)
  26 {
  27         __send_IPI_shortcut(APIC_DEST_ALLINC, vector);
  28 }
  29
  30 #endif /* __ASM_MACH_IPI_H */