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-rw-r--r--arch/x86/kvm/mmu/mmu.c2
-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c3
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a284dce227a0..b50d9e715806 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -3020,7 +3020,7 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot,
}
if (is_shadow_present_pte(*sptep)) {
- if (prefetch)
+ if (prefetch && is_last_spte(*sptep, level))
return RET_PF_SPURIOUS;
/*
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 405874f4d088..f53402257217 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -1153,7 +1153,8 @@ static int tdp_mmu_map_handle_target_level(struct kvm_vcpu *vcpu,
if (WARN_ON_ONCE(sp->role.level != fault->goal_level))
return RET_PF_RETRY;
- if (fault->prefetch && is_shadow_present_pte(iter->old_spte))
+ if (fault->prefetch && is_shadow_present_pte(iter->old_spte) &&
+ is_last_spte(iter->old_spte, iter->level))
return RET_PF_SPURIOUS;
if (is_shadow_present_pte(iter->old_spte) &&