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cc562d2e VG |
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 | ||
8d56bec2 VG |
12 | #define tlb_flush(tlb) \ |
13 | do { \ | |
14 | if (tlb->fullmm) \ | |
15 | flush_tlb_mm((tlb)->mm); \ | |
16 | } while (0) | |
d79e678d VG |
17 | |
18 | /* | |
19 | * This pair is called at time of munmap/exit to flush cache and TLB entries | |
20 | * for mappings being torn down. | |
4102b533 | 21 | * 1) cache-flush part -implemented via tlb_start_vma( ) for VIPT aliasing D$ |
8d56bec2 | 22 | * 2) tlb-flush part - implemted via tlb_end_vma( ) flushes the TLB range |
d79e678d VG |
23 | * |
24 | * Note, read http://lkml.org/lkml/2004/1/15/6 | |
25 | */ | |
4102b533 | 26 | #ifndef CONFIG_ARC_CACHE_VIPT_ALIASING |
d79e678d | 27 | #define tlb_start_vma(tlb, vma) |
4102b533 VG |
28 | #else |
29 | #define tlb_start_vma(tlb, vma) \ | |
30 | do { \ | |
31 | if (!tlb->fullmm) \ | |
32 | flush_cache_range(vma, vma->vm_start, vma->vm_end); \ | |
33 | } while(0) | |
34 | #endif | |
8d56bec2 VG |
35 | |
36 | #define tlb_end_vma(tlb, vma) \ | |
37 | do { \ | |
38 | if (!tlb->fullmm) \ | |
39 | flush_tlb_range(vma, vma->vm_start, vma->vm_end); \ | |
40 | } while (0) | |
d79e678d VG |
41 | |
42 | #define __tlb_remove_tlb_entry(tlb, ptep, address) | |
43 | ||
cc562d2e VG |
44 | #include <linux/pagemap.h> |
45 | #include <asm-generic/tlb.h> | |
46 | ||
cc562d2e | 47 | #endif /* _ASM_ARC_TLB_H */ |