1 /*
2  * Task switching definitions for the Hexagon architecture
3  *
4  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 and
8  * only version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA.
19  */
20 
21 #ifndef _ASM_SWITCH_TO_H
22 #define _ASM_SWITCH_TO_H
23 
24 struct thread_struct;
25 
26 extern struct task_struct *__switch_to(struct task_struct *,
27 	struct task_struct *,
28 	struct task_struct *);
29 
30 #define switch_to(p, n, r) do {\
31 	r = __switch_to((p), (n), (r));\
32 } while (0)
33 
34 #endif /* _ASM_SWITCH_TO_H */
35