irq_cpustat.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #ifndef __irq_cpustat_h
- #define __irq_cpustat_h
- /*
- * Contains default mappings for irq_cpustat_t, used by almost every
- * architecture. Some arch (like s390) have per cpu hardware pages and
- * they define their own mappings for irq_stat.
- *
- * Keith Owens <kaos@ocs.com.au> July 2000.
- */
- #include <linux/config.h>
- /*
- * Simple wrappers reducing source bloat. Define all irq_stat fields
- * here, even ones that are arch dependent. That way we get common
- * definitions instead of differing sets for each arch.
- */
- extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */
- #ifdef CONFIG_SMP
- #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
- #else
- #define __IRQ_STAT(cpu, member) ((void)(cpu), irq_stat[0].member)
- #endif
- /* arch independent irq_stat fields */
- #define softirq_pending(cpu) __IRQ_STAT((cpu), __softirq_pending)
- #define local_irq_count(cpu) __IRQ_STAT((cpu), __local_irq_count)
- #define local_bh_count(cpu) __IRQ_STAT((cpu), __local_bh_count)
- #define syscall_count(cpu) __IRQ_STAT((cpu), __syscall_count)
- #define ksoftirqd_task(cpu) __IRQ_STAT((cpu), __ksoftirqd_task)
- /* arch dependent irq_stat fields */
- #define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386, ia64 */
- #endif /* __irq_cpustat_h */