Commit | Line | Data |
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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 | 15 | |
9a0f78f6 | 16 | #ifndef __powerpc64__ |
1da177e4 | 17 | #include <asm/pgtable.h> |
9a0f78f6 | 18 | #endif |
1da177e4 LT |
19 | #include <asm/pgalloc.h> |
20 | #include <asm/tlbflush.h> | |
9a0f78f6 | 21 | #ifndef __powerpc64__ |
1da177e4 LT |
22 | #include <asm/page.h> |
23 | #include <asm/mmu.h> | |
9a0f78f6 | 24 | #endif |
1da177e4 | 25 | |
d4243c17 MD |
26 | #include <linux/pagemap.h> |
27 | ||
9a0f78f6 SR |
28 | #define tlb_start_vma(tlb, vma) do { } while (0) |
29 | #define tlb_end_vma(tlb, vma) do { } while (0) | |
fb7332a9 | 30 | #define __tlb_remove_tlb_entry __tlb_remove_tlb_entry |
9a0f78f6 | 31 | |
1da177e4 LT |
32 | extern void tlb_flush(struct mmu_gather *tlb); |
33 | ||
34 | /* Get the generic bits... */ | |
35 | #include <asm-generic/tlb.h> | |
36 | ||
1da177e4 LT |
37 | extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, |
38 | unsigned long address); | |
39 | ||
40 | static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, | |
c7cc58a1 | 41 | unsigned long address) |
1da177e4 | 42 | { |
c7cc58a1 | 43 | #ifdef CONFIG_PPC_STD_MMU_32 |
1da177e4 LT |
44 | if (pte_val(*ptep) & _PAGE_HASHPTE) |
45 | flush_hash_entry(tlb->mm, ptep, address); | |
c7cc58a1 | 46 | #endif |
1da177e4 LT |
47 | } |
48 | ||
9d4dab11 AK |
49 | #ifdef CONFIG_SMP |
50 | static inline int mm_is_core_local(struct mm_struct *mm) | |
51 | { | |
52 | return cpumask_subset(mm_cpumask(mm), | |
53 | topology_sibling_cpumask(smp_processor_id())); | |
54 | } | |
55 | #else | |
56 | static inline int mm_is_core_local(struct mm_struct *mm) | |
57 | { | |
58 | return 1; | |
59 | } | |
60 | #endif | |
61 | ||
88ced031 | 62 | #endif /* __KERNEL__ */ |
9a0f78f6 | 63 | #endif /* __ASM_POWERPC_TLB_H */ |