mirror of https://gitee.com/openkylin/linux.git
19 lines
582 B
C
19 lines
582 B
C
|
#ifndef __ASM_ARM_SWITCH_TO_H
|
||
|
#define __ASM_ARM_SWITCH_TO_H
|
||
|
|
||
|
#include <linux/thread_info.h>
|
||
|
|
||
|
/*
|
||
|
* switch_to(prev, next) should switch from task `prev' to `next'
|
||
|
* `prev' will never be the same as `next'. schedule() itself
|
||
|
* contains the memory barrier to tell GCC not to cache `current'.
|
||
|
*/
|
||
|
extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *);
|
||
|
|
||
|
#define switch_to(prev,next,last) \
|
||
|
do { \
|
||
|
last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
|
||
|
} while (0)
|
||
|
|
||
|
#endif /* __ASM_ARM_SWITCH_TO_H */
|