include/asm-ppc64/softirq.h

   1 #ifndef __ASM_SOFTIRQ_H
   2 #define __ASM_SOFTIRQ_H
   3
   4 /*
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version
   8  * 2 of the License, or (at your option) any later version.
   9  */
  10
  11 #include <asm/hardirq.h>
  12
  13 #define local_bh_disable()      do { local_bh_count(smp_processor_id())++; barrier(); } while (0)
  14 #define __local_bh_enable()     do { barrier(); local_bh_count(smp_processor_id())--; } while (0)
  15
  16 #define local_bh_enable()  \
  17 do {                                                    \
  18         barrier();                                      \
  19         if (!--local_bh_count(smp_processor_id())       \
  20             && softirq_pending(smp_processor_id())) {   \
  21                 do_softirq();                           \
  22         }                                               \
  23 } while (0)
  24
  25 #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
  26
  27 #endif  /* __ASM_SOFTIRQ_H */