bus/dpaa: add QMAN interface driver

[dpdk.git] / doc / guides / linux_gsg / sys_reqs.rst

diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index 375bec8..eb8442c 100644 (file)
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -43,10 +43,17 @@ BIOS Setting Prerequisite on x86
 
 For the majority of platforms, no special BIOS settings are needed to use basic DPDK functionality.
 However, for additional HPET timer and power management functionality,
 
 For the majority of platforms, no special BIOS settings are needed to use basic DPDK functionality.
 However, for additional HPET timer and power management functionality,

-and high performance of small packets on 40G NIC, BIOS setting changes may be needed.
+and high performance of small packets, BIOS setting changes may be needed.

 Consult the section on :ref:`Enabling Additional Functionality <Enabling_Additional_Functionality>`
 for more information on the required changes.
 
 Consult the section on :ref:`Enabling Additional Functionality <Enabling_Additional_Functionality>`
 for more information on the required changes.
 

+.. note::
+
+   If UEFI secure boot is enabled, the Linux kernel may disallow the use of
+   UIO on the system. Therefore, devices for use by DPDK should be bound to the
+   ``vfio-pci`` kernel module rather than ``igb_uio`` or ``uio_pci_generic``.
+   For more details see :ref:`linux_gsg_binding_kernel`.
+

 Compilation of the DPDK
 -----------------------
 
 Compilation of the DPDK
 -----------------------