From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 4D2F61B460 for ; Wed, 11 Jul 2018 05:09:11 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jul 2018 20:09:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,336,1526367600"; d="scan'208";a="71306977" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by fmsmga001.fm.intel.com with ESMTP; 10 Jul 2018 20:09:09 -0700 From: Qi Zhang To: thomas@monjalon.net, anatoly.burakov@intel.com Cc: konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com, ferruh.yigit@intel.com, benjamin.h.shelton@intel.com, narender.vangati@intel.com, Qi Zhang Date: Wed, 11 Jul 2018 11:09:17 +0800 Message-Id: <20180711030917.181098-20-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180711030917.181098-1-qi.z.zhang@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180711030917.181098-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v11 19/19] doc: update release notes for multi process hotplug 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, 11 Jul 2018 03:09:12 -0000 Update release notes for the new multi-process hotplug feature. Signed-off-by: Qi Zhang --- doc/guides/rel_notes/release_18_08.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst index bc0124295..1251e4b5b 100644 --- a/doc/guides/rel_notes/release_18_08.rst +++ b/doc/guides/rel_notes/release_18_08.rst @@ -46,6 +46,12 @@ New Features Flow API support has been added to CXGBE Poll Mode Driver to offload flows to Chelsio T5/T6 NICs. +* **Support device multi-process hotplug.** + + Hotplug and hot-unplug for devices will now be supported in multiprocessing + scenario. Any ethdev devices created in the primary process will be regarded + as shared and will be available for all DPDK processes. Synchronization between + processes will be done using DPDK IPC. API Changes ----------- @@ -60,6 +66,11 @@ API Changes Also, make sure to start the actual text at the margin. ========================================================= +* eal: scope of rte_eal_hotplug_add and rte_eal_hotplug_remove is extended. + + In primary-secondary process model, ``rte_eal_hotplug_add`` will guarantee + that device be attached on all processes, while ``rte_eal_hotplug_remove`` + will guarantee device be detached on all processes. ABI Changes ----------- -- 2.13.6