1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 
 
 
 
 4 */
 5
 6#ifndef _ASM_ARC_TLB_H
 7#define _ASM_ARC_TLB_H
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 8
 9#include <linux/pagemap.h>
10#include <asm-generic/tlb.h>
11
12#endif /* _ASM_ARC_TLB_H */

 
 1/*
 2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 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 version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8
 9#ifndef _ASM_ARC_TLB_H
10#define _ASM_ARC_TLB_H
11
12#define tlb_flush(tlb)				\
13do {						\
14	if (tlb->fullmm)			\
15		flush_tlb_mm((tlb)->mm);	\
16} while (0)
17
18/*
19 * This pair is called at time of munmap/exit to flush cache and TLB entries
20 * for mappings being torn down.
21 * 1) cache-flush part -implemented via tlb_start_vma( ) for VIPT aliasing D$
22 * 2) tlb-flush part - implemted via tlb_end_vma( ) flushes the TLB range
23 *
24 * Note, read http://lkml.org/lkml/2004/1/15/6
25 */
26#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING
27#define tlb_start_vma(tlb, vma)
28#else
29#define tlb_start_vma(tlb, vma)						\
30do {									\
31	if (!tlb->fullmm)						\
32		flush_cache_range(vma, vma->vm_start, vma->vm_end);	\
33} while(0)
34#endif
35
36#define tlb_end_vma(tlb, vma)						\
37do {									\
38	if (!tlb->fullmm)						\
39		flush_tlb_range(vma, vma->vm_start, vma->vm_end);	\
40} while (0)
41
42#define __tlb_remove_tlb_entry(tlb, ptep, address)
43
44#include <linux/pagemap.h>
45#include <asm-generic/tlb.h>
46
47#endif /* _ASM_ARC_TLB_H */