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1da177e4 | 1 | /* |
9a0f78f6 | 2 | * TLB shootdown specifics for powerpc |
1da177e4 | 3 | * |
9a0f78f6 | 4 | * Copyright (C) 2002 Anton Blanchard, IBM Corp. |
1da177e4 LT |
5 | * Copyright (C) 2002 Paul Mackerras, IBM Corp. |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | */ | |
9a0f78f6 SR |
12 | #ifndef _ASM_POWERPC_TLB_H |
13 | #define _ASM_POWERPC_TLB_H | |
88ced031 | 14 | #ifdef __KERNEL__ |
1da177e4 LT |
15 | |
16 | #include <linux/config.h> | |
9a0f78f6 | 17 | #ifndef __powerpc64__ |
1da177e4 | 18 | #include <asm/pgtable.h> |
9a0f78f6 | 19 | #endif |
1da177e4 LT |
20 | #include <asm/pgalloc.h> |
21 | #include <asm/tlbflush.h> | |
9a0f78f6 | 22 | #ifndef __powerpc64__ |
1da177e4 LT |
23 | #include <asm/page.h> |
24 | #include <asm/mmu.h> | |
9a0f78f6 | 25 | #endif |
1da177e4 LT |
26 | |
27 | struct mmu_gather; | |
9a0f78f6 SR |
28 | |
29 | #define tlb_start_vma(tlb, vma) do { } while (0) | |
30 | #define tlb_end_vma(tlb, vma) do { } while (0) | |
31 | ||
32 | #if !defined(CONFIG_PPC_STD_MMU) | |
33 | ||
34 | #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) | |
35 | ||
36 | #elif defined(__powerpc64__) | |
37 | ||
38 | extern void pte_free_finish(void); | |
39 | ||
40 | static inline void tlb_flush(struct mmu_gather *tlb) | |
41 | { | |
42 | flush_tlb_pending(); | |
43 | pte_free_finish(); | |
44 | } | |
45 | ||
46 | #else | |
47 | ||
1da177e4 LT |
48 | extern void tlb_flush(struct mmu_gather *tlb); |
49 | ||
9a0f78f6 SR |
50 | #endif |
51 | ||
1da177e4 LT |
52 | /* Get the generic bits... */ |
53 | #include <asm-generic/tlb.h> | |
54 | ||
9a0f78f6 SR |
55 | #if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__) |
56 | ||
57 | #define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) | |
1da177e4 | 58 | |
9a0f78f6 | 59 | #else |
1da177e4 LT |
60 | extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, |
61 | unsigned long address); | |
62 | ||
63 | static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, | |
64 | unsigned long address) | |
65 | { | |
66 | if (pte_val(*ptep) & _PAGE_HASHPTE) | |
67 | flush_hash_entry(tlb->mm, ptep, address); | |
68 | } | |
69 | ||
9a0f78f6 | 70 | #endif |
88ced031 | 71 | #endif /* __KERNEL__ */ |
9a0f78f6 | 72 | #endif /* __ASM_POWERPC_TLB_H */ |