X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fsample_app_ug%2Fvhost.rst;h=df4d6f9a0be990044e4173cdea9844e228dc8009;hb=e00767ee04c179f452840a9801af466b10257194;hp=9112e789706c57591aabcac5e374ff052d1ce303;hpb=cde83b8bd726d3132404852ba4f6351f56fb9c76;p=dpdk.git

diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst
index 9112e78970..df4d6f9a0b 100644
--- a/doc/guides/sample_app_ug/vhost.rst
+++ b/doc/guides/sample_app_ug/vhost.rst
@@ -78,7 +78,7 @@ could be done by:
 .. code-block:: console
 
    modprobe uio_pci_generic
-   $RTE_SDK/usertools/dpdk-devbind.py -b=uio_pci_generic 0000:00:04.0
+   $RTE_SDK/usertools/dpdk-devbind.py -b uio_pci_generic 0000:00:04.0
 
 Then start testpmd for packet forwarding testing.
 
@@ -158,6 +158,10 @@ when disabling VLAN strip. Such feature, which heavily depends on hardware,
 should be removed from this example to reduce confusion. Now, VLAN strip is
 enabled and cannot be disabled.
 
+**--builtin-net-driver**
+A very simple vhost-user net driver which demonstrates how to use the generic
+vhost APIs will be used when this option is given. It is disabled by default.
+
 Common Issues
 -------------
 
@@ -192,3 +196,8 @@ Common Issues
   according to the NIC's property. ::
 
       make EXTRA_CFLAGS="-DMAX_QUEUES=320"
+
+* Option "builtin-net-driver" is incompatible with QEMU
+
+  QEMU vhost net device start will fail if protocol feature is not negotiated.
+  DPDK virtio-user pmd can be the replacement of QEMU.