include/asm-powerpc/hardirq.h

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