From: Jason Wang <jasowang@xxxxxxxxxx> Date: Fri, 3 Aug 2018 15:04:51 +0800 > So fixing this by introducing a new message type with an explicit > 32bit reserved field after type like: > > struct vhost_msg_v2 { > int type; > __u32 reserved; Please use fixed sized types consistently. Use 's32' instead of 'int' here. Thanks!