projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 61e85e36 JB |
2 | /* |
| 3 | * OpenRISC Linux | |
| 4 | * | |
| 5 | * Linux architectural port borrowing liberally from similar works of | |
| 6 | * others. All original copyrights apply as per the original source | |
| 7 | * declaration. | |
| 8 | * | |
| 9 | * OpenRISC implementation: | |
| 10 | * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> | |
| 11 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
| 12 | * et al. | |
| 61e85e36 JB |
13 | */ |
| 14 | ||
| 15 | #ifndef __ASM_OPENRISC_MMU_CONTEXT_H | |
| 16 | #define __ASM_OPENRISC_MMU_CONTEXT_H | |
| 17 | ||
| 18 | #include <asm-generic/mm_hooks.h> | |
| 19 | ||
| 20 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); | |
| 21 | extern void destroy_context(struct mm_struct *mm); | |
| 22 | extern void switch_mm(struct mm_struct *prev, struct mm_struct *next, | |
| 23 | struct task_struct *tsk); | |
| 24 | ||
| 25 | #define deactivate_mm(tsk, mm) do { } while (0) | |
| 26 | ||
| 27 | #define activate_mm(prev, next) switch_mm((prev), (next), NULL) | |
| 28 | ||
| 29 | /* current active pgd - this is similar to other processors pgd | |
| 30 | * registers like cr3 on the i386 | |
| 31 | */ | |
| 32 | ||
| 8e6d08e0 | 33 | extern volatile pgd_t *current_pgd[]; /* defined in arch/openrisc/mm/fault.c */ |
| 61e85e36 JB |
34 | |
| 35 | static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) | |
| 36 | { | |
| 37 | } | |
| 38 | ||
| 39 | #endif |