/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * * Linux architectural port borrowing liberally from similar works of * others. All original copyrights apply as per the original source * declaration. * * OpenRISC implementation: * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. */ #ifndef __ASM_OPENRISC_MMU_CONTEXT_H #define __ASM_OPENRISC_MMU_CONTEXT_H #include <asm-generic/mm_hooks.h> extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); extern void destroy_context(struct mm_struct *mm); extern void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk); #define deactivate_mm(tsk, mm) do { } while (0) #define activate_mm(prev, next) switch_mm((prev), (next), NULL) /* current active pgd - this is similar to other processors pgd * registers like cr3 on the i386 */ extern volatile pgd_t *current_pgd[]; /* defined in arch/openrisc/mm/fault.c */ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { } #endif