include/asm-arm/hardirq.h

   1 #ifndef __ASM_HARDIRQ_H
   2 #define __ASM_HARDIRQ_H
   3
   4 #include <linux/config.h>
   5 #include <linux/cache.h>
   6 #include <linux/threads.h>
   7 #include <asm/irq.h>
   8
   9 typedef struct {
  10         unsigned int __softirq_pending;
  11         unsigned int local_timer_irqs;
  12 } ____cacheline_aligned irq_cpustat_t;
  13
  14 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
  15
  16 #if NR_IRQS > 256
  17 #define HARDIRQ_BITS    9
  18 #else
  19 #define HARDIRQ_BITS    8
  20 #endif
  21
  22 /*
  23  * The hardirq mask has to be large enough to have space
  24  * for potentially all IRQ sources in the system nesting
  25  * on a single CPU:
  26  */
  27 #if (1 << HARDIRQ_BITS) < NR_IRQS
  28 # error HARDIRQ_BITS is too low!
  29 #endif
  30
  31 #define __ARCH_IRQ_EXIT_IRQS_DISABLED   1
  32
  33 #endif /* __ASM_HARDIRQ_H */