diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c1650e26715b..1b404e4d7dd8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10003,6 +10003,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 	fx_init(vcpu);
 
 	vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
+	vcpu->arch.cr3_lm_rsvd_bits = rsvd_bits(cpuid_maxphyaddr(vcpu), 63);
 
 	vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT;