diff options
Diffstat (limited to 'arch/mips/kvm/mmu.c')
| -rw-r--r-- | arch/mips/kvm/mmu.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c index 467ee6b95a..c17157e700 100644 --- a/arch/mips/kvm/mmu.c +++ b/arch/mips/kvm/mmu.c @@ -444,36 +444,6 @@ bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range) return true; } -bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range) -{ - gpa_t gpa = range->start << PAGE_SHIFT; - pte_t hva_pte = range->arg.pte; - pte_t *gpa_pte = kvm_mips_pte_for_gpa(kvm, NULL, gpa); - pte_t old_pte; - - if (!gpa_pte) - return false; - - /* Mapping may need adjusting depending on memslot flags */ - old_pte = *gpa_pte; - if (range->slot->flags & KVM_MEM_LOG_DIRTY_PAGES && !pte_dirty(old_pte)) - hva_pte = pte_mkclean(hva_pte); - else if (range->slot->flags & KVM_MEM_READONLY) - hva_pte = pte_wrprotect(hva_pte); - - set_pte(gpa_pte, hva_pte); - - /* Replacing an absent or old page doesn't need flushes */ - if (!pte_present(old_pte) || !pte_young(old_pte)) - return false; - - /* Pages swapped, aged, moved, or cleaned require flushes */ - return !pte_present(hva_pte) || - !pte_young(hva_pte) || - pte_pfn(old_pte) != pte_pfn(hva_pte) || - (pte_dirty(old_pte) && !pte_dirty(hva_pte)); -} - bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range) { return kvm_mips_mkold_gpa_pt(kvm, range->start, range->end); |