diff options
Diffstat (limited to 'include/linux/irq_cpustat.h')
-rw-r--r-- | include/linux/irq_cpustat.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/irq_cpustat.h b/include/linux/irq_cpustat.h new file mode 100644 index 000000000000..af93505ec2ec --- /dev/null +++ b/include/linux/irq_cpustat.h | |||
@@ -0,0 +1,32 @@ | |||
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 | #include <linux/config.h> | ||
13 | |||
14 | /* | ||
15 | * Simple wrappers reducing source bloat. Define all irq_stat fields | ||
16 | * here, even ones that are arch dependent. That way we get common | ||
17 | * definitions instead of differing sets for each arch. | ||
18 | */ | ||
19 | |||
20 | #ifndef __ARCH_IRQ_STAT | ||
21 | extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */ | ||
22 | #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) | ||
23 | #endif | ||
24 | |||
25 | /* arch independent irq_stat fields */ | ||
26 | #define local_softirq_pending() \ | ||
27 | __IRQ_STAT(smp_processor_id(), __softirq_pending) | ||
28 | |||
29 | /* arch dependent irq_stat fields */ | ||
30 | #define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */ | ||
31 | |||
32 | #endif /* __irq_cpustat_h */ | ||