linux/include/asm-generic/switch_to.h

27 lines
755 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* 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)
*/
#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 */