tlbflush.h (1844B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 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. 13 */ 14 15#ifndef __ASM_OPENRISC_TLBFLUSH_H 16#define __ASM_OPENRISC_TLBFLUSH_H 17 18#include <linux/mm.h> 19#include <asm/processor.h> 20#include <asm/current.h> 21#include <linux/sched.h> 22 23/* 24 * - flush_tlb() flushes the current mm struct TLBs 25 * - flush_tlb_all() flushes all processes TLBs 26 * - flush_tlb_mm(mm) flushes the specified mm context TLB's 27 * - flush_tlb_page(vma, vmaddr) flushes one page 28 * - flush_tlb_range(vma, start, end) flushes a range of pages 29 */ 30extern void local_flush_tlb_all(void); 31extern void local_flush_tlb_mm(struct mm_struct *mm); 32extern void local_flush_tlb_page(struct vm_area_struct *vma, 33 unsigned long addr); 34extern void local_flush_tlb_range(struct vm_area_struct *vma, 35 unsigned long start, 36 unsigned long end); 37 38#ifndef CONFIG_SMP 39#define flush_tlb_all local_flush_tlb_all 40#define flush_tlb_mm local_flush_tlb_mm 41#define flush_tlb_page local_flush_tlb_page 42#define flush_tlb_range local_flush_tlb_range 43#else 44extern void flush_tlb_all(void); 45extern void flush_tlb_mm(struct mm_struct *mm); 46extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); 47extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, 48 unsigned long end); 49#endif 50 51static inline void flush_tlb(void) 52{ 53 flush_tlb_mm(current->mm); 54} 55 56static inline void flush_tlb_kernel_range(unsigned long start, 57 unsigned long end) 58{ 59 flush_tlb_range(NULL, start, end); 60} 61 62#endif /* __ASM_OPENRISC_TLBFLUSH_H */