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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +11002 * TLB shootdown specifics for powerpc
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +11004 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * 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 */
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110012#ifndef _ASM_POWERPC_TLB_H
13#define _ASM_POWERPC_TLB_H
Arnd Bergmann88ced032005-12-16 22:43:46 +010014#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -070015
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110016#ifndef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include <asm/pgtable.h>
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110018#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <asm/pgalloc.h>
20#include <asm/tlbflush.h>
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110021#ifndef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <asm/page.h>
23#include <asm/mmu.h>
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110024#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Mathieu Desnoyersd4243c12007-10-02 13:30:04 -070026#include <linux/pagemap.h>
27
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110028#define tlb_start_vma(tlb, vma) do { } while (0)
29#define tlb_end_vma(tlb, vma) do { } while (0)
30
Linus Torvalds1da177e2005-04-16 15:20:36 -070031extern void tlb_flush(struct mmu_gather *tlb);
32
33/* Get the generic bits... */
34#include <asm-generic/tlb.h>
35
Linus Torvalds1da177e2005-04-16 15:20:36 -070036extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
37 unsigned long address);
38
39static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
Benjamin Herrenschmidtc7cc58a2009-07-23 23:15:28 +000040 unsigned long address)
Linus Torvalds1da177e2005-04-16 15:20:36 -070041{
Benjamin Herrenschmidtc7cc58a2009-07-23 23:15:28 +000042#ifdef CONFIG_PPC_STD_MMU_32
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 if (pte_val(*ptep) & _PAGE_HASHPTE)
44 flush_hash_entry(tlb->mm, ptep, address);
Benjamin Herrenschmidtc7cc58a2009-07-23 23:15:28 +000045#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070046}
47
Arnd Bergmann88ced032005-12-16 22:43:46 +010048#endif /* __KERNEL__ */
Stephen Rothwell9a0f78f2005-11-04 10:20:27 +110049#endif /* __ASM_POWERPC_TLB_H */