41 lines
898 B
C
41 lines
898 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2012 Regents of the University of California
|
|
* Copyright (C) 2017 SiFive
|
|
*/
|
|
|
|
#ifndef _ASM_RISCV_MMU_CONTEXT_H
|
|
#define _ASM_RISCV_MMU_CONTEXT_H
|
|
|
|
#include <linux/mm_types.h>
|
|
#include <asm-generic/mm_hooks.h>
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/sched.h>
|
|
|
|
void switch_mm(struct mm_struct *prev, struct mm_struct *next,
|
|
struct task_struct *task);
|
|
|
|
#define activate_mm activate_mm
|
|
static inline void activate_mm(struct mm_struct *prev,
|
|
struct mm_struct *next)
|
|
{
|
|
switch_mm(prev, next, NULL);
|
|
}
|
|
|
|
#define init_new_context init_new_context
|
|
static inline int init_new_context(struct task_struct *tsk,
|
|
struct mm_struct *mm)
|
|
{
|
|
#ifdef CONFIG_MMU
|
|
atomic_long_set(&mm->context.id, 0);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
DECLARE_STATIC_KEY_FALSE(use_asid_allocator);
|
|
|
|
#include <asm-generic/mmu_context.h>
|
|
|
|
#endif /* _ASM_RISCV_MMU_CONTEXT_H */
|