[PATCH v2 2/2] doc: add guidelines for stable tags

[Marko Kovacevic <marko.kovacevic@intel.com>]

   Added contribution guideline for adding stable
   tags when sending patches all fix patches to the
   master branch that are candidates for backporting

Signed-off-by: Marko Kovacevic <marko.kovacevic@intel.com>
---
 doc/guides/contributing/patches.rst | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/doc/guides/contributing/patches.rst b/doc/guides/contributing/patches.rst
index e6b6e80..124dade 100644
--- a/doc/guides/contributing/patches.rst
+++ b/doc/guides/contributing/patches.rst
@@ -276,6 +276,23 @@ Coverity issue tag should be inserted into the commit message body as so::
 
      Signed-off-by: Alex Smith <alex.smith@example.com>
 
+Patch for Stable Releases:
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+All fix patches to the master branch that are candidates for backporting
+should also be CCed to the `stable@dpdk.org <http://dpdk.org/ml/listinfo/stable>`_
+mailing list. In the commit message body the Cc: stable@dpdk.org should be inserted as so::
+
+     doc: fix some parameter description
+
+     Update the docs, fixing description of some parameter.
+
+     Fixes: abcdefgh1234 ("doc: add some parameter")
+     Cc: stable@dpdk.org
+
+     Signed-off-by: Alex Smith <alex.smith@example.com>
+
+For further information on stable contribution you can go here :doc:`Stable Contribution<stable>`
 
 Creating Patches
 ----------------
-- 
2.9.5