/* 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 */