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- /*
- * 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>
- #define tlb_start_vma(tlb, vma) do { } while (0)
- #define tlb_end_vma(tlb, vma) do { } while (0)
- #define __tlb_remove_tlb_entry __tlb_remove_tlb_entry
- extern void tlb_flush(struct mmu_gather *tlb);
- /* Get the generic bits... */
- #include <asm-generic/tlb.h>
- 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)
- {
- #ifdef CONFIG_PPC_STD_MMU_32
- if (pte_val(*ptep) & _PAGE_HASHPTE)
- flush_hash_entry(tlb->mm, ptep, address);
- #endif
- }
- #ifdef CONFIG_SMP
- static inline int mm_is_core_local(struct mm_struct *mm)
- {
- return cpumask_subset(mm_cpumask(mm),
- topology_sibling_cpumask(smp_processor_id()));
- }
- static inline int mm_is_thread_local(struct mm_struct *mm)
- {
- return cpumask_equal(mm_cpumask(mm),
- cpumask_of(smp_processor_id()));
- }
- #else
- static inline int mm_is_core_local(struct mm_struct *mm)
- {
- return 1;
- }
- static inline int mm_is_thread_local(struct mm_struct *mm)
- {
- return 1;
- }
- #endif
- #endif /* __KERNEL__ */
- #endif /* __ASM_POWERPC_TLB_H */
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