2019-05-20 20:08:01 +03:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
2018-03-08 12:48:46 +03:00
|
|
|
/* Generic task switch macro wrapper.
|
2012-03-28 21:30:03 +04:00
|
|
|
*
|
|
|
|
|
* 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)
|
|
|
|
|
*/
|
|
|
|
|
#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 */
|
