New upstream version 17.08

[deb_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 3a28c9e..eb8442c 100644 (file)
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -43,14 +43,21 @@ 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,
-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.
 
+.. 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
 -----------------------
 
-**Required Tools:**
+**Required Tools and Libraries:**
 
 .. note::
 
@@ -84,6 +91,8 @@ Compilation of the DPDK
        x86_x32 ABI is currently supported with distribution packages only on Ubuntu
        higher than 13.10 or recent Debian distribution. The only supported  compiler is gcc 4.9+.
 
+*   libnuma-devel - library for handling NUMA (Non Uniform Memory Access).
+
 *   Python, version 2.7+ or 3.2+, to use various helper scripts included in the DPDK package.
 
 
@@ -129,8 +138,6 @@ System Software
 
     For other kernel builds, options which should be enabled for DPDK include:
 
-    *   UIO support
-
     *   HUGETLBFS
 
     *   PROC_PAGE_MONITOR  support