/* * Copyright (C) 2012 Regents of the University of California * Copyright (C) 2017 SiFive * * 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, version 2. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _ASM_RISCV_MMU_CONTEXT_H #define _ASM_RISCV_MMU_CONTEXT_H #include #include #include #include static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *task) { } /* Initialize context-related info for a new mm_struct */ static inline int init_new_context(struct task_struct *task, struct mm_struct *mm) { return 0; } static inline void destroy_context(struct mm_struct *mm) { } void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *task); static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { switch_mm(prev, next, NULL); } static inline void deactivate_mm(struct task_struct *task, struct mm_struct *mm) { } #endif /* _ASM_RISCV_MMU_CONTEXT_H */