asm-ppc/softirq.h

   1 #ifdef __KERNEL__
   2 #ifndef __ASM_SOFTIRQ_H
   3 #define __ASM_SOFTIRQ_H
   4
   5 #include <asm/atomic.h>
   6 #include <asm/hardirq.h>
   7
   8 #define local_bh_disable()                      \
   9 do {                                            \
  10         local_bh_count(smp_processor_id())++;   \
  11         barrier();                              \
  12 } while (0)
  13
  14 #define __local_bh_enable()                     \
  15 do {                                            \
  16         barrier();                              \
  17         local_bh_count(smp_processor_id())--;   \
  18 } while (0)
  19
  20 #define local_bh_enable()                               \
  21 do {                                                    \
  22         if (!--local_bh_count(smp_processor_id())       \
  23             && softirq_pending(smp_processor_id())) {   \
  24                 do_softirq();                           \
  25         }                                               \
  26 } while (0)
  27
  28 #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
  29
  30 #endif  /* __ASM_SOFTIRQ_H */
  31 #endif /* __KERNEL__ */