include/asm-generic/hardirq.h

   1 #ifndef __ASM_GENERIC_HARDIRQ_H
   2 #define __ASM_GENERIC_HARDIRQ_H
   3
   4 #include <linux/cache.h>
   5 #include <linux/threads.h>
   6 #include <linux/irq.h>
   7
   8 typedef struct {
   9         unsigned long __softirq_pending;
  10 } ____cacheline_aligned irq_cpustat_t;
  11
  12 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
  13
  14 #ifndef HARDIRQ_BITS
  15 #define HARDIRQ_BITS    8
  16 #endif
  17
  18 /*
  19  * The hardirq mask has to be large enough to have
  20  * space for potentially all IRQ sources in the system
  21  * nesting on a single CPU:
  22  */
  23 #if (1 << HARDIRQ_BITS) < NR_IRQS
  24 # error HARDIRQ_BITS is too low!
  25 #endif
  26
  27 #ifndef ack_bad_irq
  28 static inline void ack_bad_irq(unsigned int irq)
  29 {
  30         printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
  31 }
  32 #endif
  33
  34 #endif /* __ASM_GENERIC_HARDIRQ_H */