| David Howells | 9f97da7 | 2012-03-28 18:30:01 +0100 | [diff] [blame] | 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 | */ |
| 11 | extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *); |
| 12 | |
| 13 | #define switch_to(prev,next,last) \ |
| 14 | do { \ |
| 15 | last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \ |
| 16 | } while (0) |
| 17 | |
| 18 | #endif /* __ASM_ARM_SWITCH_TO_H */ |