1 /* Generic task switch macro wrapper.
3 * It should be possible to use these on really simple architectures,
4 * but it serves more as a starting point for new ports.
6 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
7 * Written by David Howells (dhowells@redhat.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public Licence
11 * as published by the Free Software Foundation; either version
12 * 2 of the Licence, or (at your option) any later version.
14 #ifndef __ASM_GENERIC_SWITCH_TO_H
15 #define __ASM_GENERIC_SWITCH_TO_H
17 #include <linux/thread_info.h>
20 * Context switching is now performed out-of-line in switch_to.S
22 extern struct task_struct *__switch_to(struct task_struct *,
23 struct task_struct *);
25 #define switch_to(prev, next, last) \
27 ((last) = __switch_to((prev), (next))); \
30 #endif /* __ASM_GENERIC_SWITCH_TO_H */