Commit | Line | Data |
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b4d0d230 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
739d875d | 2 | /* Generic task switch macro wrapper. |
158bc507 DH |
3 | * |
4 | * It should be possible to use these on really simple architectures, | |
5 | * but it serves more as a starting point for new ports. | |
6 | * | |
7 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
8 | * Written by David Howells (dhowells@redhat.com) | |
158bc507 DH |
9 | */ |
10 | #ifndef __ASM_GENERIC_SWITCH_TO_H | |
11 | #define __ASM_GENERIC_SWITCH_TO_H | |
12 | ||
13 | #include <linux/thread_info.h> | |
14 | ||
15 | /* | |
16 | * Context switching is now performed out-of-line in switch_to.S | |
17 | */ | |
18 | extern struct task_struct *__switch_to(struct task_struct *, | |
19 | struct task_struct *); | |
20 | ||
21 | #define switch_to(prev, next, last) \ | |
22 | do { \ | |
23 | ((last) = __switch_to((prev), (next))); \ | |
24 | } while (0) | |
25 | ||
26 | #endif /* __ASM_GENERIC_SWITCH_TO_H */ |