mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 17:12:06 +00:00
158bc507c2
Split the switch_to() wrapper out of asm-generic/system.h into its own asm-generic/system.h as part of the asm/system.h disintegration. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
31 lines
992 B
C
31 lines
992 B
C
/* Generic task switch macro wrapper, based on MN10300 definitions.
|
|
*
|
|
* 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 */
|