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 32 extern void tlb_flush(struct mmu_gather *tlb); 33 34 /* Get the generic bits... */ 35 #include <asm-generic/tlb.h> 36 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, 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