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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 |