1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5
 6#ifndef _ASM_NIOS2_TLBFLUSH_H
 7#define _ASM_NIOS2_TLBFLUSH_H
 8
 9struct mm_struct;
10
11/*
12 * TLB flushing:
13 *
14 *  - flush_tlb_all() flushes all processes TLB entries
15 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
 
16 *  - flush_tlb_range(vma, start, end) flushes a range of pages
17 *  - flush_tlb_page(vma, address) flushes a page
18 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
19 *  - flush_tlb_kernel_page(address) flushes a kernel page
20 *
21 *  - reload_tlb_page(vma, address, pte) flushes the TLB for address like
22 *    flush_tlb_page, then replaces it with a TLB for pte.
23 */
24extern void flush_tlb_all(void);
25extern void flush_tlb_mm(struct mm_struct *mm);
26extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
27			    unsigned long end);
28extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
29
30static inline void flush_tlb_page(struct vm_area_struct *vma,
31				  unsigned long address)
32{
33	flush_tlb_range(vma, address, address + PAGE_SIZE);
34}
35
36static inline void flush_tlb_kernel_page(unsigned long address)
37{
38	flush_tlb_kernel_range(address, address + PAGE_SIZE);
39}
40
41extern void reload_tlb_page(struct vm_area_struct *vma, unsigned long addr,
42			    pte_t pte);
43
44#endif /* _ASM_NIOS2_TLBFLUSH_H */

 
 1/*
 2 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License as published by
 6 * the Free Software Foundation; either version 2 of the License, or
 7 * (at your option) any later version.
 8 *
 9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 *
17 */
18
19#ifndef _ASM_NIOS2_TLBFLUSH_H
20#define _ASM_NIOS2_TLBFLUSH_H
21
22struct mm_struct;
23
24/*
25 * TLB flushing:
26 *
27 *  - flush_tlb_all() flushes all processes TLB entries
28 *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
29 *  - flush_tlb_page(vma, vmaddr) flushes one page
30 *  - flush_tlb_range(vma, start, end) flushes a range of pages
 
31 *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
 
 
 
 
32 */
33extern void flush_tlb_all(void);
34extern void flush_tlb_mm(struct mm_struct *mm);
35extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
36			    unsigned long end);
37extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
38extern void flush_tlb_one(unsigned long vaddr);
39
40static inline void flush_tlb_page(struct vm_area_struct *vma,
41				unsigned long addr)
42{
43	flush_tlb_one(addr);
44}
 
 
 
 
 
 
 
 
45
46#endif /* _ASM_NIOS2_TLBFLUSH_H */