doc/rel-notes: lock-free RW concurrency in hash

Message ID 1540356591-10745-1-git-send-email-honnappa.nagarahalli@arm.com
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  • doc/rel-notes: lock-free RW concurrency in hash
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Commit Message

Honnappa Nagarahalli Oct. 24, 2018, 4:49 a.m.
Add lock-free reader/writer concurrency capability in rte_hash library
to release notes.

Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>

Reviewed-by: Gavin Hu <gavin.hu@arm.com>

---
 doc/guides/rel_notes/release_18_11.rst | 5 +++++
 1 file changed, 5 insertions(+)

-- 
2.7.4

Comments

Thomas Monjalon Oct. 26, 2018, 10:55 a.m. | #1
24/10/2018 06:49, Honnappa Nagarahalli:
> Add lock-free reader/writer concurrency capability in rte_hash library

> to release notes.

> 

> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>

> Reviewed-by: Gavin Hu <gavin.hu@arm.com>


Squashed in related patch

Patch

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
 -----------