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-rw-r--r--doc/guides/linux_gsg/sys_reqs.rst15
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index 3a28c9e5..eb8442c6 100644
--- 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