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Linux kernel mirror (for testing)
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1/*
2 * include/asm-sh/smp.h
3 *
4 * Copyright (C) 2002, 2003 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive for
8 * more details.
9 */
10#ifndef __ASM_SH_SMP_H
11#define __ASM_SH_SMP_H
12
13#include <linux/config.h>
14#include <linux/bitops.h>
15#include <linux/cpumask.h>
16
17#ifdef CONFIG_SMP
18
19#include <asm/spinlock.h>
20#include <asm/atomic.h>
21#include <asm/current.h>
22
23extern cpumask_t cpu_online_map;
24extern cpumask_t cpu_possible_map;
25
26#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
27
28#define raw_smp_processor_id() (current_thread_info()->cpu)
29
30/* I've no idea what the real meaning of this is */
31#define PROC_CHANGE_PENALTY 20
32
33#define NO_PROC_ID (-1)
34
35struct smp_fn_call_struct {
36 spinlock_t lock;
37 atomic_t finished;
38 void (*fn)(void *);
39 void *data;
40};
41
42extern struct smp_fn_call_struct smp_fn_call;
43
44#define SMP_MSG_RESCHEDULE 0x0001
45
46#endif /* CONFIG_SMP */
47
48#endif /* __ASM_SH_SMP_H */