[dpdk-dev] [PATCH] doc/rel-notes: lock-free RW concurrency in hash

Honnappa Nagarahalli honnappa.nagarahalli at arm.com
Wed Oct 24 06:49:51 CEST 2018


Add lock-free reader/writer concurrency capability in rte_hash library
to release notes.

Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
Reviewed-by: Gavin Hu <gavin.hu at arm.com>
---
 doc/guides/rel_notes/release_18_11.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/guides/rel_notes/release_18_11.rst b/doc/guides/rel_notes/release_18_11.rst
index 04f3745..2b3f23d 100644
--- a/doc/guides/rel_notes/release_18_11.rst
+++ b/doc/guides/rel_notes/release_18_11.rst
@@ -198,6 +198,11 @@ New Features
   this application doesn't need to launch dedicated worker threads for vhost
   enqueue/dequeue operations.
 
+* **Add lock free reader/writer concurrency to hash library (rte_hash)**
+
+  Lock free reader/writer concurrency prevents the readers from getting
+  blocked due to a pre-empted writer thread. This allows the hash library
+  to be used in scenarios where the writer thread runs on control plane.
 
 API Changes
 -----------
-- 
2.7.4



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