LXR linux/arch/riscv/include/asm/mmu

   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
  16void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  17        struct task_struct *task);
  18
  19#define activate_mm activate_mm
  20static inline void activate_mm(struct mm_struct *prev,
  21                               struct mm_struct *next)
  22{
  23        switch_mm(prev, next, NULL);
  24}
  25
  26#define init_new_context init_new_context
  27static inline int init_new_context(struct task_struct *tsk,
  28                        struct mm_struct *mm)
  29{
  30#ifdef CONFIG_MMU
  31        atomic_long_set(&mm->context.id, 0);
  32#endif
  33        return 0;
  34}
  35
  36DECLARE_STATIC_KEY_FALSE(use_asid_allocator);
  37
  38#include <asm-generic/mmu_context.h>
  39
  40#endif /* _ASM_RISCV_MMU_CONTEXT_H */
  41