1/* softirq.h: 32-bit Sparc soft IRQ support.
2 *
3 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
4 * Copyright (C) 1998-99 Anton Blanchard (anton@progsoc.uts.edu.au)
5 */
6
7#ifndef __SPARC_SOFTIRQ_H
8#define __SPARC_SOFTIRQ_H
9
10#include <linux/threads.h>	/* For NR_CPUS */
11
12#include <asm/atomic.h>
13#include <asm/smp.h>
14#include <asm/hardirq.h>
15
16#define local_bh_disable()	(local_bh_count(smp_processor_id())++)
17#define __local_bh_enable()	(local_bh_count(smp_processor_id())--)
18#define local_bh_enable()			  \
19do { if (!--local_bh_count(smp_processor_id()) && \
20	 softirq_pending(smp_processor_id())) {   \
21		do_softirq();			  \
22		__sti();			  \
23     }						  \
24} while (0)
25#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
26
27#endif	/* __SPARC_SOFTIRQ_H */
28