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Linux kernel mirror (for testing)
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kernel
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linux
1#ifndef __ASM_ARM_SWITCH_TO_H
2#define __ASM_ARM_SWITCH_TO_H
3
4#include <linux/thread_info.h>
5
6/*
7 * switch_to(prev, next) should switch from task `prev' to `next'
8 * `prev' will never be the same as `next'. schedule() itself
9 * contains the memory barrier to tell GCC not to cache `current'.
10 */
11extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *);
12
13#define switch_to(prev,next,last) \
14do { \
15 last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
16} while (0)
17
18#endif /* __ASM_ARM_SWITCH_TO_H */