49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_TLBFLUSH_H
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#define __ASM_TLBFLUSH_H
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#include <linux/mm.h>
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/*
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* TLB flushing:
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*
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* - flush_tlb_all() flushes all processes TLB entries
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* - flush_tlb_mm(mm) flushes the specified mm context TLB entries
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* - flush_tlb_page(vma, vmaddr) flushes one page
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* - flush_tlb_range(vma, start, end) flushes a range of pages
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* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
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*/
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extern void local_flush_tlb_all(void);
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extern void local_flush_tlb_user(void);
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extern void local_flush_tlb_kernel(void);
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extern void local_flush_tlb_mm(struct mm_struct *mm);
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extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
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extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
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extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
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extern void local_flush_tlb_one(unsigned long vaddr);
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#ifdef CONFIG_SMP
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extern void flush_tlb_all(void);
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extern void flush_tlb_mm(struct mm_struct *);
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extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long);
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extern void flush_tlb_kernel_range(unsigned long, unsigned long);
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extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
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extern void flush_tlb_one(unsigned long vaddr);
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#else /* CONFIG_SMP */
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#define flush_tlb_all() local_flush_tlb_all()
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#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
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#define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end)
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#define flush_tlb_kernel_range(vmaddr, end) local_flush_tlb_kernel_range(vmaddr, end)
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#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
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#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
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#endif /* CONFIG_SMP */
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#endif /* __ASM_TLBFLUSH_H */
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