1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2012 Regents of the University of California
4 * Copyright (C) 2017 SiFive
5 */
6
7 #ifndef _ASM_RISCV_MMU_CONTEXT_H
8 #define _ASM_RISCV_MMU_CONTEXT_H
9
10 #include <linux/mm_types.h>
11 #include <asm-generic/mm_hooks.h>
12
13 #include <linux/mm.h>
14 #include <linux/sched.h>
15
enter_lazy_tlb(struct mm_struct * mm,struct task_struct * task)16 static inline void enter_lazy_tlb(struct mm_struct *mm,
17 struct task_struct *task)
18 {
19 }
20
21 /* Initialize context-related info for a new mm_struct */
init_new_context(struct task_struct * task,struct mm_struct * mm)22 static inline int init_new_context(struct task_struct *task,
23 struct mm_struct *mm)
24 {
25 return 0;
26 }
27
destroy_context(struct mm_struct * mm)28 static inline void destroy_context(struct mm_struct *mm)
29 {
30 }
31
32 void switch_mm(struct mm_struct *prev, struct mm_struct *next,
33 struct task_struct *task);
34
activate_mm(struct mm_struct * prev,struct mm_struct * next)35 static inline void activate_mm(struct mm_struct *prev,
36 struct mm_struct *next)
37 {
38 switch_mm(prev, next, NULL);
39 }
40
deactivate_mm(struct task_struct * task,struct mm_struct * mm)41 static inline void deactivate_mm(struct task_struct *task,
42 struct mm_struct *mm)
43 {
44 }
45
46 #endif /* _ASM_RISCV_MMU_CONTEXT_H */
47