X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_2_2.rst;h=ca8471b6b978d8e44f64b94a23e50c17acc5836a;hb=c31af3e16911e27510ca01f5454bb420552728d9;hp=b9884d47a29606650361d92e610b5abeb4ec4e5e;hpb=da0ab5da691f74c4be58dd58113e0d346799e34e;p=dpdk.git

diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst
index b9884d47a2..ca8471b6b9 100644
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -4,6 +4,11 @@ DPDK Release 2.2
 New Features
 ------------
 
+* **Enabled freeing of ring.**
+
+  New function rte_ring_free() allows the user to free a ring
+  if it was created with rte_ring_create().
+
 * **Extended Statistics**
 
   Define extended statistics naming scheme to store metadata in the name
@@ -141,6 +146,11 @@ Drivers
 
   Fixed issue when releasing null control queue.
 
+* **hash: Fixed thread scaling by reducing contention.**
+
+  Fixed issue in hash library where, using multiple cores with
+  hardware transactional memory support, thread scaling did not work,
+  due to the global ring that is shared by all cores.
 
 Libraries
 ~~~~~~~~~
@@ -150,6 +160,12 @@ Libraries
   Fixed issue where an incorrect Cuckoo Hash key table size could be
   calculated limiting the size to 4GB.
 
+* **hash: Fixed incorrect lookup if key is all zero.**
+
+  Fixed issue in hash library that occurred if an all zero
+  key was not added in the table and the key was looked up,
+  resulting in an incorrect hit.
+
 
 Examples
 ~~~~~~~~