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62 lines
1.8 KiB
62 lines
1.8 KiB
/* 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 <[email protected]> |
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* Copyright (C) 2010-2011 Jonas Bonn <[email protected]> |
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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/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(vma, 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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