5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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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_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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extern void local_flush_tlb_kernel_range(unsigned long start,
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unsigned long end);
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extern void local_flush_tlb_page(struct vm_area_struct *vma,
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unsigned long page);
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extern void local_flush_tlb_one(unsigned long vaddr);
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#include <asm/mmu_context.h>
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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,
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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) drop_mmu_context(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) \
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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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