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GET /api/patches/41840/?format=api
{ "id": 41840, "url": "http://patchwork.dpdk.org/api/patches/41840/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20180628125708.39610-20-qi.z.zhang@intel.com/", "project": { "id": 1, "url": "http://patchwork.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20180628125708.39610-20-qi.z.zhang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180628125708.39610-20-qi.z.zhang@intel.com", "date": "2018-06-28T12:57:08", "name": "[v7,19/19] doc: update release notes for multi process hotplug", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "9091943827449125a6474cd2c3e9fffd6d8a95a4", "submitter": { "id": 504, "url": "http://patchwork.dpdk.org/api/people/504/?format=api", "name": "Qi Zhang", "email": "qi.z.zhang@intel.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20180628125708.39610-20-qi.z.zhang@intel.com/mbox/", "series": [ { "id": 292, "url": "http://patchwork.dpdk.org/api/series/292/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=292", "date": "2018-06-28T12:56:49", "name": "enable hotplug on multi-process", "version": 7, "mbox": "http://patchwork.dpdk.org/series/292/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/41840/comments/", "check": "fail", "checks": "http://patchwork.dpdk.org/api/patches/41840/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 053E21B43F;\n\tThu, 28 Jun 2018 14:57:38 +0200 (CEST)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n\tby dpdk.org (Postfix) with ESMTP id 10D211B14B\n\tfor <dev@dpdk.org>; Thu, 28 Jun 2018 14:57:08 +0200 (CEST)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t28 Jun 2018 05:57:08 -0700", "from dpdk51.sh.intel.com ([10.67.110.190])\n\tby orsmga002.jf.intel.com with ESMTP; 28 Jun 2018 05:57:07 -0700" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.51,283,1526367600\"; d=\"scan'208\";a=\"70711404\"", "From": "Qi Zhang <qi.z.zhang@intel.com>", "To": "thomas@monjalon.net,\n\tanatoly.burakov@intel.com", "Cc": "konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com, \n\tferruh.yigit@intel.com, benjamin.h.shelton@intel.com,\n\tnarender.vangati@intel.com, Qi Zhang <qi.z.zhang@intel.com>", "Date": "Thu, 28 Jun 2018 20:57:08 +0800", "Message-Id": "<20180628125708.39610-20-qi.z.zhang@intel.com>", "X-Mailer": "git-send-email 2.13.6", "In-Reply-To": "<20180628125708.39610-1-qi.z.zhang@intel.com>", "References": "<20180607123849.14439-1-qi.z.zhang@intel.com>\n\t<20180628125708.39610-1-qi.z.zhang@intel.com>", "Subject": "[dpdk-dev] [PATCH v7 19/19] doc: update release notes for multi\n\tprocess hotplug", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Update release notes for the new multi process hotplug feature.\n\nSigned-off-by: Qi Zhang <qi.z.zhang@intel.com>\n---\n doc/guides/rel_notes/release_18_08.rst | 20 ++++++++++++++++++++\n 1 file changed, 20 insertions(+)", "diff": "diff --git a/doc/guides/rel_notes/release_18_08.rst b/doc/guides/rel_notes/release_18_08.rst\nindex bc0124295..650f7aadb 100644\n--- a/doc/guides/rel_notes/release_18_08.rst\n+++ b/doc/guides/rel_notes/release_18_08.rst\n@@ -46,6 +46,21 @@ New Features\n Flow API support has been added to CXGBE Poll Mode Driver to offload\n flows to Chelsio T5/T6 NICs.\n \n+* **Support ethernet device hotplug for primary-secondary model.**\n+\n+ Hotplug and hot-unplug for ethdev devices will now be supported in\n+ multiprocessing scenario. Any ethdev devices created in the primary\n+ process will be regarded as shared and will be available for all DPDK\n+ processes, while secondary processes will have a choice between adding\n+ a private (non-shared) or a shared device. Synchronization between\n+ processes will be done using DPDK IPC.\n+\n+* **Support ethernet device lock.**\n+\n+ Application can now lock an ethernet device to prevent unexpected device\n+ removal. Devices can either be locked unconditionally, or an application\n+ can register for a callback before unplug for the purposes of performing\n+ cleanup before releasing the device (or have a chance to deny unplug)\n \n API Changes\n -----------\n@@ -60,6 +75,11 @@ API Changes\n Also, make sure to start the actual text at the margin.\n =========================================================\n \n+* ethdev: scope of rte_eth_dev_attach and rte_eth_dev_detach is extended.\n+\n+ In primary-secondary process model, ``rte_eth_dev_attach`` will guarantee\n+ that device be attached on all processes, while ``rte_eth_dev_detach``\n+ will guarantee device be detached on all processes.\n \n ABI Changes\n -----------\n", "prefixes": [ "v7", "19/19" ] }