1/*
2 *	TLB shootdown specifics for powerpc
3 *
4 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
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 */
12#ifndef _ASM_POWERPC_TLB_H
13#define _ASM_POWERPC_TLB_H
14#ifdef __KERNEL__
15
16#ifndef __powerpc64__
17#include <asm/pgtable.h>
18#endif
19#include <asm/pgalloc.h>
20#include <asm/tlbflush.h>
21#ifndef __powerpc64__
22#include <asm/page.h>
23#include <asm/mmu.h>
24#endif
25
26#include <linux/pagemap.h>
27
28#define tlb_start_vma(tlb, vma)	do { } while (0)
29#define tlb_end_vma(tlb, vma)	do { } while (0)
30#define __tlb_remove_tlb_entry	__tlb_remove_tlb_entry
31
32extern void tlb_flush(struct mmu_gather *tlb);
33
34/* Get the generic bits... */
35#include <asm-generic/tlb.h>
36
37extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
38			     unsigned long address);
39
40static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
41					  unsigned long address)
42{
43#ifdef CONFIG_PPC_STD_MMU_32
44	if (pte_val(*ptep) & _PAGE_HASHPTE)
45		flush_hash_entry(tlb->mm, ptep, address);
46#endif
47}
48
49#endif /* __KERNEL__ */
50#endif /* __ASM_POWERPC_TLB_H */
51