| Thomas Gleixner | b4d0d23 | 2019-05-20 19:08:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| David Howells | 739d875 | 2018-03-08 09:48:46 +0000 | [diff] [blame] | 2 | /* Generic task switch macro wrapper. |
| David Howells | 158bc50 | 2012-03-28 18:30:03 +0100 | [diff] [blame] | 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) |
| David Howells | 158bc50 | 2012-03-28 18:30:03 +0100 | [diff] [blame] | 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 */ |