From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by dpdk.org (Postfix) with ESMTP id 8C3724CC5 for ; Wed, 24 Oct 2018 06:50:03 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8311F341; Tue, 23 Oct 2018 21:50:02 -0700 (PDT) Received: from ubuntu.localdomain (unknown [10.119.49.16]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4D7943F5D3; Tue, 23 Oct 2018 21:50:01 -0700 (PDT) From: Honnappa Nagarahalli To: bruce.richardson@intel.com, pablo.de.lara.guarch@intel.com Cc: dev@dpdk.org, yipeng1.wang@intel.com, honnappa.nagarahalli@arm.com, gavin.hu@arm.com, dharmik.thakkar@arm.com, nd@arm.com Date: Tue, 23 Oct 2018 23:49:51 -0500 Message-Id: <1540356591-10745-1-git-send-email-honnappa.nagarahalli@arm.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH] doc/rel-notes: lock-free RW concurrency in hash X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Oct 2018 04:50:04 -0000 Add lock-free reader/writer concurrency capability in rte_hash library to release notes. Signed-off-by: Honnappa Nagarahalli Reviewed-by: Gavin Hu --- 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