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Diffstat (limited to 'include/asm-powerpc/tlb.h')
-rw-r--r-- | include/asm-powerpc/tlb.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/asm-powerpc/tlb.h b/include/asm-powerpc/tlb.h deleted file mode 100644 index e20ff7541f3..00000000000 --- a/include/asm-powerpc/tlb.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * 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 -#ifdef __KERNEL__ - -#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 - -#include <linux/pagemap.h> - -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) -{ - struct ppc64_tlb_batch *tlbbatch = &__get_cpu_var(ppc64_tlb_batch); - - /* If there's a TLB batch pending, then we must flush it because the - * pages are going to be freed and we really don't want to have a CPU - * access a freed page because it has a stale TLB - */ - if (tlbbatch->index) - __flush_tlb_pending(tlbbatch); - - 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 /* __KERNEL__ */ -#endif /* __ASM_POWERPC_TLB_H */ |