From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id CFB5C4F9C for ; Thu, 16 Aug 2018 05:04:32 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Aug 2018 20:04:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,245,1531810800"; d="scan'208";a="83720855" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by orsmga002.jf.intel.com with ESMTP; 15 Aug 2018 20:04:30 -0700 From: Qi Zhang To: thomas@monjalon.net, gaetan.rivet@6wind.com, anatoly.burakov@intel.com, arybchenko@solarflare.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: Thu, 16 Aug 2018 11:04:55 +0800 Message-Id: <20180816030455.41354-8-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180816030455.41354-1-qi.z.zhang@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180816030455.41354-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v15 7/7] doc: update release notes for mulit-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: Thu, 16 Aug 2018 03:04:33 -0000 Update release notes for the new multi-process hotplug feature. Signed-off-by: Qi Zhang --- doc/guides/rel_notes/release_18_11.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/guides/rel_notes/release_18_11.rst b/doc/guides/rel_notes/release_18_11.rst index 3ae6b3f58..f08793c17 100644 --- a/doc/guides/rel_notes/release_18_11.rst +++ b/doc/guides/rel_notes/release_18_11.rst @@ -54,6 +54,12 @@ New Features Also, make sure to start the actual text at the margin. ========================================================= +* **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 ----------- @@ -68,6 +74,11 @@ 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