diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 27eec71429b052ac587e3dfe66a7fb64a483a31d..9f481ba59a4b738742165882e5ade235484718b6 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -148,6 +148,7 @@ config IA64_GENERIC
 	select ACPI_NUMA
 	select SWIOTLB
 	select PCI_MSI
+	select DMAR
 	help
 	  This selects the system type of your hardware.  A "generic" kernel
 	  will run on any supported IA-64 system.  However, if you configure