include/asm-ppc/hardirq.h

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