include/linux/bottom_half.h

   1 #ifndef _LINUX_BH_H
   2 #define _LINUX_BH_H
   3
   4 #ifdef CONFIG_PREEMPT_HARDIRQS
   5 # define local_bh_disable()             do { } while (0)
   6 # define __local_bh_disable(ip)         do { } while (0)
   7 # define _local_bh_enable()             do { } while (0)
   8 # define local_bh_enable()              do { } while (0)
   9 # define local_bh_enable_ip(ip)         do { } while (0)
  10 #else
  11 extern void local_bh_disable(void);
  12 extern void _local_bh_enable(void);
  13 extern void local_bh_enable(void);
  14 extern void local_bh_enable_ip(unsigned long ip);
  15 #endif
  16
  17 #endif /* _LINUX_BH_H */