49 lines
1005 B
C
49 lines
1005 B
C
/*
|
|
* include/asm-sh/smp.h
|
|
*
|
|
* Copyright (C) 2002, 2003 Paul Mundt
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive for
|
|
* more details.
|
|
*/
|
|
#ifndef __ASM_SH_SMP_H
|
|
#define __ASM_SH_SMP_H
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/cpumask.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#include <asm/spinlock.h>
|
|
#include <asm/atomic.h>
|
|
#include <asm/current.h>
|
|
|
|
extern cpumask_t cpu_online_map;
|
|
extern cpumask_t cpu_possible_map;
|
|
|
|
#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
|
|
|
|
#define smp_processor_id() (current_thread_info()->cpu)
|
|
|
|
/* I've no idea what the real meaning of this is */
|
|
#define PROC_CHANGE_PENALTY 20
|
|
|
|
#define NO_PROC_ID (-1)
|
|
|
|
struct smp_fn_call_struct {
|
|
spinlock_t lock;
|
|
atomic_t finished;
|
|
void (*fn)(void *);
|
|
void *data;
|
|
};
|
|
|
|
extern struct smp_fn_call_struct smp_fn_call;
|
|
|
|
#define SMP_MSG_RESCHEDULE 0x0001
|
|
|
|
#endif /* CONFIG_SMP */
|
|
|
|
#endif /* __ASM_SH_SMP_H */
|