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hardirq.h

#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H

#include <linux/cache.h>
#include <linux/threads.h>
#include <asm/irq.h>

00008 typedef struct {
      unsigned int __softirq_pending;
      unsigned int local_timer_irqs;
} ____cacheline_aligned irq_cpustat_t;

#include <linux/irq_cpustat.h>      /* Standard mappings for irq_cpustat_t above */

#if NR_IRQS > 256
#define HARDIRQ_BITS    9
#else
#define HARDIRQ_BITS    8
#endif

/*
 * The hardirq mask has to be large enough to have space
 * for potentially all IRQ sources in the system nesting
 * on a single CPU:
 */
#if (1 << HARDIRQ_BITS) < NR_IRQS
# error HARDIRQ_BITS is too low!
#endif

#define __ARCH_IRQ_EXIT_IRQS_DISABLED     1

#endif /* __ASM_HARDIRQ_H */

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