65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* OpenRISC Linux
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*
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* Linux architectural port borrowing liberally from similar works of
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* others. All original copyrights apply as per the original source
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* declaration.
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*
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* OpenRISC implementation:
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* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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* et al.
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*/
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#ifndef __ASM_OPENRISC_TLBFLUSH_H
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#define __ASM_OPENRISC_TLBFLUSH_H
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#include <linux/mm.h>
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#include <asm/processor.h>
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#include <asm/pgtable.h>
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#include <asm/pgalloc.h>
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#include <asm/current.h>
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#include <linux/sched.h>
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/*
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* - flush_tlb() flushes the current mm struct TLBs
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* - flush_tlb_all() flushes all processes TLBs
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* - flush_tlb_mm(mm) flushes the specified mm context TLB's
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* - flush_tlb_page(vma, vmaddr) flushes one page
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* - flush_tlb_range(mm, start, end) flushes a range of 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_mm(struct mm_struct *mm);
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extern void local_flush_tlb_page(struct vm_area_struct *vma,
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unsigned long addr);
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extern void local_flush_tlb_range(struct vm_area_struct *vma,
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unsigned long start,
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unsigned long end);
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#ifndef CONFIG_SMP
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#define flush_tlb_all local_flush_tlb_all
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#define flush_tlb_mm local_flush_tlb_mm
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#define flush_tlb_page local_flush_tlb_page
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#define flush_tlb_range local_flush_tlb_range
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#else
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extern void flush_tlb_all(void);
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extern void flush_tlb_mm(struct mm_struct *mm);
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extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
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extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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#endif
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static inline void flush_tlb(void)
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{
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flush_tlb_mm(current->mm);
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}
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static inline void flush_tlb_kernel_range(unsigned long start,
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unsigned long end)
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{
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flush_tlb_range(NULL, start, end);
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}
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#endif /* __ASM_OPENRISC_TLBFLUSH_H */
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