linux/include/linux/irq_cpustat.h
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   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
  20extern 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 */
  32
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