| /* Generic task switch macro wrapper. |
| * |
| * It should be possible to use these on really simple architectures, |
| * but it serves more as a starting point for new ports. |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #ifndef __ASM_GENERIC_SWITCH_TO_H |
| #define __ASM_GENERIC_SWITCH_TO_H |
| |
| #include <linux/thread_info.h> |
| |
| /* |
| * Context switching is now performed out-of-line in switch_to.S |
| */ |
| extern struct task_struct *__switch_to(struct task_struct *, |
| struct task_struct *); |
| |
| #define switch_to(prev, next, last) \ |
| do { \ |
| ((last) = __switch_to((prev), (next))); \ |
| } while (0) |
| |
| #endif /* __ASM_GENERIC_SWITCH_TO_H */ |