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https://github.com/edk2-porting/linux-next.git
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ea9af69481
Rename the existing flush routines to local_ variants for use by the IPI-backed global flush routines on SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
#ifndef __ASM_SH_TLBFLUSH_H
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#define __ASM_SH_TLBFLUSH_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 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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* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
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* - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
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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_range(struct vm_area_struct *vma,
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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_kernel_range(unsigned long start,
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unsigned long end);
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extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
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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 *mm);
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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_page(struct vm_area_struct *vma, unsigned long page);
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extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
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extern void flush_tlb_one(unsigned long asid, unsigned long page);
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#else
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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_page(vma, page) local_flush_tlb_page(vma, page)
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#define flush_tlb_one(asid, page) local_flush_tlb_one(asid, page)
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#define flush_tlb_range(vma, start, end) \
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local_flush_tlb_range(vma, start, end)
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#define flush_tlb_kernel_range(start, end) \
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local_flush_tlb_kernel_range(start, end)
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#endif /* CONFIG_SMP */
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static inline void flush_tlb_pgtables(struct mm_struct *mm,
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unsigned long start, unsigned long end)
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{
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/* Nothing to do */
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}
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#endif /* __ASM_SH_TLBFLUSH_H */
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