release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/irq_cpustat.h

   1 #ifndef __irq_cpustat_h
   2 #define __irq_cpustat_h
   3
   4 /*
   5  * Contains default mappings for irq_cpustat_t, used by almost every
   6  * architecture.  Some arch (like s390) have per cpu hardware pages and
   7  * they define their own mappings for irq_stat.
   8  *
   9  * Keith Owens <kaos@ocs.com.au> July 2000.
  10  */
  11
  12
  13 /*
  14  * Simple wrappers reducing source bloat.  Define all irq_stat fields
  15  * here, even ones that are arch dependent.  That way we get common
  16  * definitions instead of differing sets for each arch.
  17  */
  18
  19 #ifndef __ARCH_IRQ_STAT
  20 extern irq_cpustat_t irq_stat[];                /* defined in asm/hardirq.h */
  21 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
  22 #endif
  23
  24   /* arch independent irq_stat fields */
  25 #define local_softirq_pending() \
  26         __IRQ_STAT(smp_processor_id(), __softirq_pending)
  27
  28   /* arch dependent irq_stat fields */
  29 #define nmi_count(cpu)          __IRQ_STAT((cpu), __nmi_count)  /* i386 */
  30
  31 #endif  /* __irq_cpustat_h */