Linux Kernel  3.7.1
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irq_cpustat.h
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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 <[email protected]> July 2000.
10  */
11 
12 
13 /*
14  * Simple wrappers reducing source bloat. Define all irq_stat fields
15  * here, even ones that are arch dependent. That way we get common
16  * definitions instead of differing sets for each arch.
17  */
18 
19 #ifndef __ARCH_IRQ_STAT
20 extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */
21 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
22 #endif
23 
24  /* arch independent irq_stat fields */
25 #define local_softirq_pending() \
26  __IRQ_STAT(smp_processor_id(), __softirq_pending)
27 
28  /* arch dependent irq_stat fields */
29 #define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
30 
31 #endif /* __irq_cpustat_h */