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Linux Cross Reference
Linux/include/linux/irq_cpustat.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  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 extern irq_cpustat_t irq_stat[];                        /* defined in asm/hardirq.h */
 21 
 22 #ifdef CONFIG_SMP
 23 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
 24 #else
 25 #define __IRQ_STAT(cpu, member) ((void)(cpu), irq_stat[0].member)
 26 #endif  
 27 
 28   /* arch independent irq_stat fields */
 29 #define softirq_active(cpu)     __IRQ_STAT((cpu), __softirq_active)
 30 #define softirq_mask(cpu)       __IRQ_STAT((cpu), __softirq_mask)
 31 #define local_irq_count(cpu)    __IRQ_STAT((cpu), __local_irq_count)
 32 #define local_bh_count(cpu)     __IRQ_STAT((cpu), __local_bh_count)
 33 #define syscall_count(cpu)      __IRQ_STAT((cpu), __syscall_count)
 34   /* arch dependent irq_stat fields */
 35 #define nmi_count(cpu)          __IRQ_STAT((cpu), __nmi_count)          /* i386, ia64 */
 36 
 37 #endif  /* __irq_cpustat_h */
 38
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