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-rw-r--r--arch/x86/kvm/mmu.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 03323dc705c2..02c839f40e29 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -743,9 +743,6 @@ static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn)
743 struct kvm_mmu_page *sp; 743 struct kvm_mmu_page *sp;
744 unsigned long *rmapp; 744 unsigned long *rmapp;
745 745
746 if (!is_rmap_spte(*spte))
747 return 0;
748
749 sp = page_header(__pa(spte)); 746 sp = page_header(__pa(spte));
750 kvm_mmu_page_set_gfn(sp, spte - sp->spt, gfn); 747 kvm_mmu_page_set_gfn(sp, spte - sp->spt, gfn);
751 rmapp = gfn_to_rmap(vcpu->kvm, gfn, sp->role.level); 748 rmapp = gfn_to_rmap(vcpu->kvm, gfn, sp->role.level);
@@ -2087,11 +2084,13 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
2087 if (!was_rmapped && is_large_pte(*sptep)) 2084 if (!was_rmapped && is_large_pte(*sptep))
2088 ++vcpu->kvm->stat.lpages; 2085 ++vcpu->kvm->stat.lpages;
2089 2086
2090 page_header_update_slot(vcpu->kvm, sptep, gfn); 2087 if (is_shadow_present_pte(*sptep)) {
2091 if (!was_rmapped) { 2088 page_header_update_slot(vcpu->kvm, sptep, gfn);
2092 rmap_count = rmap_add(vcpu, sptep, gfn); 2089 if (!was_rmapped) {
2093 if (rmap_count > RMAP_RECYCLE_THRESHOLD) 2090 rmap_count = rmap_add(vcpu, sptep, gfn);
2094 rmap_recycle(vcpu, sptep, gfn); 2091 if (rmap_count > RMAP_RECYCLE_THRESHOLD)
2092 rmap_recycle(vcpu, sptep, gfn);
2093 }
2095 } 2094 }
2096 kvm_release_pfn_clean(pfn); 2095 kvm_release_pfn_clean(pfn);
2097 if (speculative) { 2096 if (speculative) {