irq_cpustat.h 845 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __irq_cpustat_h
  3. #define __irq_cpustat_h
  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. * Simple wrappers reducing source bloat. Define all irq_stat fields
  13. * here, even ones that are arch dependent. That way we get common
  14. * definitions instead of differing sets for each arch.
  15. */
  16. #ifndef __ARCH_IRQ_STAT
  17. DECLARE_PER_CPU_ALIGNED(irq_cpustat_t, irq_stat); /* defined in asm/hardirq.h */
  18. #define __IRQ_STAT(cpu, member) (per_cpu(irq_stat.member, cpu))
  19. #endif
  20. /* arch dependent irq_stat fields */
  21. #define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
  22. #endif /* __irq_cpustat_h */