diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c
index fc64e8358928..b4712bcc697d 100644
--- a/arch/arm64/kvm/hypercalls.c
+++ b/arch/arm64/kvm/hypercalls.c
@@ -85,6 +85,7 @@ static bool kvm_hvc_call_default_allowed(u32 func_id)
 	case ARM_SMCCC_ARCH_FEATURES_FUNC_ID:
 	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID:
 	case ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID:
+	case ARM_SMCCC_VENDOR_HYP_KVM_MMIO_GUARD_MAP_FUNC_ID:
 		return true;
 	default:
 		/* PSCI 0.2 and up is in the 0:0x1f range */