[2/10] KVM: MMU: fix kvm_mmu_get_spte_hierarchy

Commit Message

Xiao Guangrong March 4, 2011, 10:57 a.m. UTC

None

Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b9bf016..10e0982 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3819,7 +3819,8 @@  int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4])
 	for_each_shadow_entry(vcpu, addr, iterator) {
 		sptes[iterator.level-1] = *iterator.sptep;
 		nr_sptes++;
-		if (!is_shadow_present_pte(*iterator.sptep))
+		if (!is_shadow_present_pte(*iterator.sptep) ||
+		      is_last_spte(*iterator.sptep, iterator.level))
 			break;
 	}
 	spin_unlock(&vcpu->kvm->mmu_lock);