diff options
Diffstat (limited to 'include/linux/irq_cpustat.h')
| -rw-r--r-- | include/linux/irq_cpustat.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h new file mode 100644 index 000000000..77e4bac29 --- /dev/null +++ b/include/linux/irq_cpustat.h @@ -0,0 +1,31 @@ +#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. + */ + +#ifndef __ARCH_IRQ_STAT +extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */ +#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) +#endif + + /* arch independent irq_stat fields */ +#define local_softirq_pending() \ + __IRQ_STAT(smp_processor_id(), __softirq_pending) + + /* arch dependent irq_stat fields */ +#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */ + +#endif /* __irq_cpustat_h */ |