diff --git a/.mailmap b/.mailmap
index 9501257c17b..aeb5561ae81 100644
--- a/.mailmap
+++ b/.mailmap
@@ -456,7 +456,7 @@ Hamza Khan <hamza.khan@intel.com>
 Hannes Frederic Sowa <hannes@stressinduktion.org>
 Hanoch Haim <hhaim@cisco.com>
 Hanumanth Pothula <hpothula@marvell.com>
-Hao Chen <chenhao164@huawei.com>
+Hao Chen <chenh@yusur.tech> <chenhao164@huawei.com>
 Hao Wu <hao.wu@intel.com>
 Hari Kumar Vemula <hari.kumarx.vemula@intel.com>
 Harini Ramakrishnan <harini.ramakrishnan@microsoft.com>
diff --git a/examples/vdpa/main.c b/examples/vdpa/main.c
index 4c7e81d7b6a..4d3203f3a71 100644
--- a/examples/vdpa/main.c
+++ b/examples/vdpa/main.c
@@ -214,6 +214,8 @@ start_vdpa(struct vdpa_port *vport)
 	if (client_mode)
 		vport->flags |= RTE_VHOST_USER_CLIENT;
 
+	vport->flags |= RTE_VHOST_USER_IOMMU_SUPPORT;
+
 	if (access(socket_path, F_OK) != -1 && !client_mode) {
 		RTE_LOG(ERR, VDPA,
 			"%s exists, please remove it or specify another file and try again.\n",