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author | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-04 10:20:27 +1100 |
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committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2005-11-04 10:20:27 +1100 |
commit | 9a0f78f63bc05d195aab781486ed57d1418d5f59 (patch) | |
tree | 3d1c3bbd9ec43290ed0b458d4e3bf07833caf93c /include/asm-powerpc | |
parent | d3ab57ebdc6457543b346255fa47b0ecd7671136 (diff) | |
download | linux-stable-9a0f78f63bc05d195aab781486ed57d1418d5f59.tar.gz linux-stable-9a0f78f63bc05d195aab781486ed57d1418d5f59.tar.bz2 linux-stable-9a0f78f63bc05d195aab781486ed57d1418d5f59.zip |
powerpc: merge tlb.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r-- | include/asm-powerpc/tlb.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-powerpc/tlb.h b/include/asm-powerpc/tlb.h new file mode 100644 index 000000000000..56659f121779 --- /dev/null +++ b/include/asm-powerpc/tlb.h @@ -0,0 +1,70 @@ +/* + * TLB shootdown specifics for powerpc + * + * Copyright (C) 2002 Anton Blanchard, IBM Corp. + * Copyright (C) 2002 Paul Mackerras, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _ASM_POWERPC_TLB_H +#define _ASM_POWERPC_TLB_H + +#include <linux/config.h> +#ifndef __powerpc64__ +#include <asm/pgtable.h> +#endif +#include <asm/pgalloc.h> +#include <asm/tlbflush.h> +#ifndef __powerpc64__ +#include <asm/page.h> +#include <asm/mmu.h> +#endif + +struct mmu_gather; + +#define tlb_start_vma(tlb, vma) do { } while (0) +#define tlb_end_vma(tlb, vma) do { } while (0) + +#if !defined(CONFIG_PPC_STD_MMU) + +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +#elif defined(__powerpc64__) + +extern void pte_free_finish(void); + +static inline void tlb_flush(struct mmu_gather *tlb) +{ + flush_tlb_pending(); + pte_free_finish(); +} + +#else + +extern void tlb_flush(struct mmu_gather *tlb); + +#endif + +/* Get the generic bits... */ +#include <asm-generic/tlb.h> + +#if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__) + +#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) + +#else +extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, + unsigned long address); + +static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, + unsigned long address) +{ + if (pte_val(*ptep) & _PAGE_HASHPTE) + flush_hash_entry(tlb->mm, ptep, address); +} + +#endif +#endif /* __ASM_POWERPC_TLB_H */ |