include/asm-powerpc/hardirq.h

   1 #ifndef _ASM_POWERPC_HARDIRQ_H
   2 #define _ASM_POWERPC_HARDIRQ_H
   3 #ifdef __KERNEL__
   4
   5 #include <asm/irq.h>
   6 #include <asm/bug.h>
   7
   8 /* The __last_jiffy_stamp field is needed to ensure that no decrementer
   9  * interrupt is lost on SMP machines. Since on most CPUs it is in the same
  10  * cache line as local_irq_count, it is cheap to access and is also used on UP
  11  * for uniformity.
  12  */
  13 typedef struct {
  14         unsigned int __softirq_pending; /* set_bit is used on this */
  15         unsigned int __last_jiffy_stamp;
  16 } ____cacheline_aligned irq_cpustat_t;
  17
  18 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
  19
  20 #define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)
  21
  22 static inline void ack_bad_irq(int irq)
  23 {
  24         printk(KERN_CRIT "illegal vector %d received!\n", irq);
  25         BUG();
  26 }
  27
  28 #endif /* __KERNEL__ */
  29 #endif /* _ASM_POWERPC_HARDIRQ_H */