pintos-os.org Git - openvswitch/blob - datapath/linux-2.4/compat-2.4/include/asm/system.h

   1 #ifndef __ASM_SYSTEM_WRAPPER_H
   2 #define __ASM_SYSTEM_WRAPPER_H 1
   3
   4 #include_next <asm/system.h>
   5
   6 #ifdef CONFIG_ALPHA
   7 #define read_barrier_depends __asm__ __volatile__("mb": : :"memory")
   8 #else
   9 #define read_barrier_depends()  do { } while(0)
  10 #endif
  11
  12 #ifdef CONFIG_SMP
  13 #define smp_read_barrier_depends()      read_barrier_depends()
  14 #else
  15 #define smp_read_barrier_depends()      do { } while(0)
  16 #endif
  17
  18 #endif