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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-sparc64/] [softirq.h] - Rev 1774

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/* softirq.h: 64-bit Sparc soft IRQ support.
 *
 * Copyright (C) 1997, 1998 David S. Miller (davem@caip.rutgers.edu)
 */
 
#ifndef __SPARC64_SOFTIRQ_H
#define __SPARC64_SOFTIRQ_H
 
#include <asm/atomic.h>
#include <asm/hardirq.h>
#include <asm/system.h>		/* for membar() */
 
#define local_bh_disable()	(local_bh_count(smp_processor_id())++)
#define __local_bh_enable()	(local_bh_count(smp_processor_id())--)
#define local_bh_enable()			  \
do { if (!--local_bh_count(smp_processor_id()) && \
	 softirq_pending(smp_processor_id())) {   \
		do_softirq();			  \
		__sti();			  \
     }						  \
} while (0)
 
#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
 
#endif /* !(__SPARC64_SOFTIRQ_H) */
 

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