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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-arm/] [softirq.h] - Rev 1774

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#ifndef __ASM_SOFTIRQ_H
#define __ASM_SOFTIRQ_H
 
#include <asm/atomic.h>
#include <asm/hardirq.h>
 
#define __cpu_bh_enable(cpu) \
		do { barrier(); local_bh_count(cpu)--; } while (0)
#define cpu_bh_disable(cpu) \
		do { local_bh_count(cpu)++; barrier(); } while (0)
 
#define local_bh_disable()	cpu_bh_disable(smp_processor_id())
#define __local_bh_enable()	__cpu_bh_enable(smp_processor_id())
 
#define in_softirq()		(local_bh_count(smp_processor_id()) != 0)
 
#define local_bh_enable()						\
do {									\
	unsigned int *ptr = &local_bh_count(smp_processor_id());	\
	if (!--*ptr && ptr[-2])						\
		__asm__("bl%? __do_softirq": : : "lr");/* out of line */\
} while (0)
 
#endif	/* __ASM_SOFTIRQ_H */
 

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