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File: [Development] / linux-2.4-xfs / include / asm-arm / softirq.h (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD

Initial Import 2.4.24pre2

#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 */