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53 lines
1.8 KiB
53 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_POWERPC_NOHASH_TLBFLUSH_H |
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#define _ASM_POWERPC_NOHASH_TLBFLUSH_H |
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/* |
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* TLB flushing: |
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* |
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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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* - local_flush_tlb_mm(mm, full) flushes the specified mm context on |
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* the local processor |
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* - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor |
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* - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB |
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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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*/ |
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/* |
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* TLB flushing for software loaded TLB chips |
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* |
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* TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & |
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* flush_tlb_kernel_range are best implemented as tlbia vs |
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* specific tlbie's |
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*/ |
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struct vm_area_struct; |
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struct mm_struct; |
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#define MMU_NO_CONTEXT ((unsigned int)-1) |
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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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extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); |
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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, unsigned long vmaddr); |
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extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
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int tsize, int ind); |
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#ifdef CONFIG_SMP |
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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 vmaddr); |
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extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, |
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int tsize, int ind); |
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#else |
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#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) |
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#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) |
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#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) |
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#endif |
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#endif /* _ASM_POWERPC_NOHASH_TLBFLUSH_H */
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