doc: note minimun Linux version increase for 19.02

Updating docs to reflect decision made at the techboard
that the min kernel version should be bumped from 3.2 to
the latest longterm stable release (3.16), but that
compatibility for commonly used distribution kernels should
be kept also.

Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index c02ec28..96f5ce9 100644 (file)
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -103,6 +103,13 @@ System Software
 
         uname -r
 
+.. note::
+
+    Kernel version 3.2 is no longer a kernel.org longterm stable kernel.
+    For DPDK 19.02 the minimum required kernel will be updated to
+    the current kernel.org oldest longterm stable supported kernel 3.16,
+    or recent versions of common distributions, notably RHEL/CentOS 7.
+
 *   glibc >= 2.7 (for features related to cpuset)
 
     The version can be checked using the ``ldd --version`` command.