diff options
Diffstat (limited to 'include/linux/irq_cpustat.h')
| -rw-r--r-- | include/linux/irq_cpustat.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h new file mode 100644 index 000000000..98cf96ff4 --- /dev/null +++ b/include/linux/irq_cpustat.h @@ -0,0 +1,35 @@ +#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. + */ + +/* + * 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_active(cpu) __IRQ_STAT((cpu), __softirq_active) +#define softirq_mask(cpu) __IRQ_STAT((cpu), __softirq_mask) +#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) + /* arch dependent irq_stat fields */ +#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386, ia64 */ + +#endif /* __irq_cpustat_h */ |