/* FR-V CPU basic task switching * * Copyright (C) 2003 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 License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _ASM_SWITCH_TO_H #define _ASM_SWITCH_TO_H #include <linux/thread_info.h> /* * switch_to(prev, next) should switch from task `prev' to `next' * `prev' will never be the same as `next'. * The `mb' is to tell GCC not to cache `current' across this call. */ extern asmlinkage struct task_struct *__switch_to(struct thread_struct *prev_thread, struct thread_struct *next_thread, struct task_struct *prev); #define switch_to(prev, next, last) \ do { \ (prev)->thread.sched_lr = \ (unsigned long) __builtin_return_address(0); \ (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \ mb(); \ } while(0) #endif /* _ASM_SWITCH_TO_H */Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Howells | 33 | 100.00% | 1 | 100.00% |
Total | 33 | 100.00% | 1 | 100.00% |