doc: update LTS section

Update the LTS section to mention the branch and how LTS support ends.

Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

diff --git a/doc/guides/contributing/stable.rst b/doc/guides/contributing/stable.rst
index b63cd42..6a5eee9 100644 (file)
--- a/doc/guides/contributing/stable.rst
+++ b/doc/guides/contributing/stable.rst
@@ -48,9 +48,10 @@ LTS Release
 
 A stable release can be designated as an LTS release based on community
 agreement and a commitment from a maintainer. The current policy is that each
-year's November release will be maintained as an LTS for 2 years.
+year's November (X.11) release will be maintained as an LTS for 2 years.
 
-The current DPDK LTS releases are 17.11 and 18.11.
+After the X.11 release, an LTS branch will be created for it at
+http://git.dpdk.org/dpdk-stable where bugfixes will be backported to.
 
 It is anticipated that there will be at least 4 releases per year of the LTS
 or approximately 1 every 3 months. However, the cadence can be shorter or
@@ -58,6 +59,11 @@ longer depending on the number and criticality of the backported
 fixes. Releases should be coordinated with the validation engineers to ensure
 that a tagged release has been tested.
 
+The current maintained LTS branches are 17.11 and 18.11.
+
+At the end of the 2 years, a final X.11.N release will be made and at that
+point the LTS branch will no longer be maintained with no further releases.
+
 
 What changes should be backported
 ---------------------------------