summaryrefslogtreecommitdiffstats
path: root/include/asm-sparc64/softirq.h
blob: 460c96633448a0a6f77dd52e84d80d2ccca7d065 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/* 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() */

#ifndef __SMP__
extern unsigned int local_bh_count;
#else
#define local_bh_count		(cpu_data[smp_processor_id()].bh_count)
#endif

#define local_bh_disable()	(local_bh_count++)
#define local_bh_enable()	(local_bh_count--)

#define in_softirq() (local_bh_count != 0)

#endif /* !(__SPARC64_SOFTIRQ_H) */