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#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
#include <linux/config.h>
#include <linux/cache.h>
#include <linux/threads.h>
typedef struct {
unsigned int __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#define HARDIRQ_BITS 8
/*
* 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 irq_enter() (preempt_count() += HARDIRQ_OFFSET)
#ifndef CONFIG_SMP
extern asmlinkage void __do_softirq(void);
#define irq_exit() \
do { \
preempt_count() -= IRQ_EXIT_OFFSET; \
if (!in_interrupt() && local_softirq_pending()) \
__do_softirq(); \
preempt_enable_no_resched(); \
} while (0)
#endif
#endif /* __ASM_HARDIRQ_H */
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