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-rw-r--r--docs/testing/user/userguide/testusage.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/testing/user/userguide/testusage.rst b/docs/testing/user/userguide/testusage.rst
index 03068911..043ef928 100644
--- a/docs/testing/user/userguide/testusage.rst
+++ b/docs/testing/user/userguide/testusage.rst
@@ -393,6 +393,10 @@ set ``PATHS['dpdk']['bin']['modules']`` instead.
**NOTE:** Please ensure your boot/grub parameters include
the following:
+**NOTE:** In case of VPP, it is required to explicitly define, that vfio-pci
+DPDK driver should be used. It means to update dpdk part of VSWITCH_VPP_ARGS
+dictionary with uio-driver section, e.g. VSWITCH_VPP_ARGS['dpdk'] = 'uio-driver vfio-pci'
+
.. code-block:: console
iommu=pt intel_iommu=on