Modify travis linux build script to use the latest DPDK stable release
18.11.2. Update docs for latest DPDK stable releases.

Note: due to commit [1] in DPDK 18.11.2, the behaviour of the vhost
destroy callback has changed. DPDK 18.11.2 is now the default DPDK
release currently supported. DPDK 18.11.1 and below are no longer
supported.

[1] 2b4e951cc341 ("vhost: fix passing destroyed device to destroy
callback")

Signed-off-by: Ian Stokes <ian.sto...@intel.com>
---
 .travis/linux-build.sh                   | 2 +-
 Documentation/faq/releases.rst           | 2 +-
 Documentation/intro/install/dpdk.rst     | 8 ++++----
 Documentation/topics/dpdk/vhost-user.rst | 6 +++---
 NEWS                                     | 3 ++-
 5 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh
index e7946bfd9..de8e76f19 100755
--- a/.travis/linux-build.sh
+++ b/.travis/linux-build.sh
@@ -88,7 +88,7 @@ fi
 
 if [ "$DPDK" ] || [ "$DPDK_SHARED" ]; then
     if [ -z "$DPDK_VER" ]; then
-        DPDK_VER="18.11.1"
+        DPDK_VER="18.11.2"
     fi
     install_dpdk $DPDK_VER
     if [ "$CC" = "clang" ]; then
diff --git a/Documentation/faq/releases.rst b/Documentation/faq/releases.rst
index 09da73a46..eeb949d4a 100644
--- a/Documentation/faq/releases.rst
+++ b/Documentation/faq/releases.rst
@@ -176,7 +176,7 @@ Q: What DPDK version does each Open vSwitch release work 
with?
     2.8.x        17.05.2
     2.9.x        17.11.4
     2.10.x       17.11.4
-    2.11.x       18.11.1
+    2.11.x       18.11.2
     ============ =======
 
 Q: Are all the DPDK releases that OVS versions work with maintained?
diff --git a/Documentation/intro/install/dpdk.rst 
b/Documentation/intro/install/dpdk.rst
index 149548bc1..6e5f1ea60 100644
--- a/Documentation/intro/install/dpdk.rst
+++ b/Documentation/intro/install/dpdk.rst
@@ -42,7 +42,7 @@ Build requirements
 In addition to the requirements described in :doc:`general`, building Open
 vSwitch with DPDK will require the following:
 
-- DPDK 18.11.1
+- DPDK 18.11.2
 
 - A `DPDK supported NIC`_
 
@@ -71,9 +71,9 @@ Install DPDK
 #. Download the `DPDK sources`_, extract the file and set ``DPDK_DIR``::
 
        $ cd /usr/src/
-       $ wget http://fast.dpdk.org/rel/dpdk-18.11.1.tar.xz
-       $ tar xf dpdk-18.11.1.tar.xz
-       $ export DPDK_DIR=/usr/src/dpdk-stable-18.11.1
+       $ wget http://fast.dpdk.org/rel/dpdk-18.11.2.tar.xz
+       $ tar xf dpdk-18.11.2.tar.xz
+       $ export DPDK_DIR=/usr/src/dpdk-stable-18.11.2
        $ cd $DPDK_DIR
 
 #. (Optional) Configure DPDK as a shared library
diff --git a/Documentation/topics/dpdk/vhost-user.rst 
b/Documentation/topics/dpdk/vhost-user.rst
index 0982e0393..33361ec35 100644
--- a/Documentation/topics/dpdk/vhost-user.rst
+++ b/Documentation/topics/dpdk/vhost-user.rst
@@ -320,9 +320,9 @@ To begin, instantiate a guest as described in 
:ref:`dpdk-vhost-user` or
 DPDK sources to VM and build DPDK::
 
     $ cd /root/dpdk/
-    $ wget http://fast.dpdk.org/rel/dpdk-18.11.1.tar.xz
-    $ tar xf dpdk-18.11.1.tar.xz
-    $ export DPDK_DIR=/root/dpdk/dpdk-stable-18.11.1
+    $ wget http://fast.dpdk.org/rel/dpdk-18.11.2.tar.xz
+    $ tar xf dpdk-18.11.2.tar.xz
+    $ export DPDK_DIR=/root/dpdk/dpdk-stable-18.11.2
     $ export DPDK_TARGET=x86_64-native-linuxapp-gcc
     $ export DPDK_BUILD=$DPDK_DIR/$DPDK_TARGET
     $ cd $DPDK_DIR
diff --git a/NEWS b/NEWS
index 859960772..ca13c9a48 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,8 @@
 v2.11.2 - xx xxx xxxx
 --------------------
    - DPDK
-     * OVS validated with DPDK 18.11.1 which is recommended to be used.
+     * DPDK 18.11.2 is the new minimal supported version.
+     * DPDK 18.11.1 and lower is no longer supported.
 
 v2.11.1 - 30 Mar 2019
 --------------------
-- 
2.13.6

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