include/asm-sparc/softirq.h

   1 /* softirq.h: 32-bit Sparc soft IRQ support.
   2  *
   3  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
   4  * Copyright (C) 1998-99 Anton Blanchard (anton@progsoc.uts.edu.au)
   5  */
   6
   7 #ifndef __SPARC_SOFTIRQ_H
   8 #define __SPARC_SOFTIRQ_H
   9
  10 #include <linux/threads.h>      /* For NR_CPUS */
  11
  12 #include <asm/atomic.h>
  13 #include <asm/smp.h>
  14 #include <asm/hardirq.h>
  15
  16 #define local_bh_disable()      (local_bh_count(smp_processor_id())++)
  17 #define __local_bh_enable()     (local_bh_count(smp_processor_id())--)
  18 #define local_bh_enable()                         \
  19 do { if (!--local_bh_count(smp_processor_id()) && \
  20          softirq_pending(smp_processor_id())) {   \
  21                 do_softirq();                     \
  22                 __sti();                          \
  23      }                                            \
  24 } while (0)
  25 #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
  26
  27 #endif  /* __SPARC_SOFTIRQ_H */