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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-m68k/] [hardirq.h] - Rev 1765

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#ifndef __M68K_HARDIRQ_H
#define __M68K_HARDIRQ_H
 
#include <linux/threads.h>
#include <linux/cache.h>
 
/* entry.S is sensitive to the offsets of these fields */
typedef struct {
	unsigned int __softirq_pending;
	unsigned int __local_irq_count;
	unsigned int __local_bh_count;
	unsigned int __syscall_count;
        struct task_struct * __ksoftirqd_task;
} ____cacheline_aligned irq_cpustat_t;
 
#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
 
#define in_interrupt() (local_irq_count(smp_processor_id()) + local_bh_count(smp_processor_id()) != 0)
 
#define in_irq() (local_irq_count(smp_processor_id()) != 0)
 
#define hardirq_trylock(cpu)	(local_irq_count(cpu) == 0)
#define hardirq_endlock(cpu)	do { } while (0)
 
#define irq_enter(cpu)		(local_irq_count(cpu)++)
#define irq_exit(cpu)		(local_irq_count(cpu)--)
 
#define synchronize_irq()	barrier()
 
#endif
 

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