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 */

 
 1/*
 2 * OpenRISC Linux
 3 *
 4 * Linux architectural port borrowing liberally from similar works of
 5 * others.  All original copyrights apply as per the original source
 6 * declaration.
 7 *
 8 * OpenRISC implementation:
 9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 */
18
19#ifndef __ASM_OPENRISC_TLBFLUSH_H
20#define __ASM_OPENRISC_TLBFLUSH_H
21
22#include <linux/mm.h>
23#include <asm/processor.h>
24#include <asm/pgtable.h>
25#include <asm/pgalloc.h>
26#include <asm/current.h>
27#include <linux/sched.h>
28
29/*
30 *  - flush_tlb() flushes the current mm struct TLBs
31 *  - flush_tlb_all() flushes all processes TLBs
32 *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
33 *  - flush_tlb_page(vma, vmaddr) flushes one page
34 *  - flush_tlb_range(mm, start, end) flushes a range of pages
35 */
 
 
 
 
 
 
 
36
37void flush_tlb_all(void);
38void flush_tlb_mm(struct mm_struct *mm);
39void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
40void flush_tlb_range(struct vm_area_struct *vma,
41		     unsigned long start,
42		     unsigned long end);
 
 
 
 
 
 
43
44static inline void flush_tlb(void)
45{
46	flush_tlb_mm(current->mm);
47}
48
49static inline void flush_tlb_kernel_range(unsigned long start,
50					  unsigned long end)
51{
52	flush_tlb_range(NULL, start, end);
53}
54
55#endif /* __ASM_OPENRISC_TLBFLUSH_H */