1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 3a923ae15f2f..1d2c4f2e4bb6 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -34,6 +34,11 @@ static inline int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
 	return vcpu->arch.maxphyaddr;
 }
 
+static inline bool kvm_vcpu_is_illegal_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
+{
+	return (gpa >= BIT_ULL(cpuid_maxphyaddr(vcpu)));
+}
+
 struct cpuid_reg {
 	u32 function;
 	u32 index;