MIPS: Invalidate old TLB mappings when updating huge page PTEs.
Without this, stale Icache or TLB entries may be used. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org https://patchwork.linux-mips.org/patch/2318/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -70,6 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
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static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
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unsigned long addr, pte_t *ptep)
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{
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flush_tlb_mm(vma->vm_mm);
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}
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static inline int huge_pte_none(pte_t pte)
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