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{
    "id": 42052,
    "url": "http://patches.dpdk.org/api/patches/42052/",
    "web_url": "http://patches.dpdk.org/patch/42052/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/",
        "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"
    },
    "msgid": "<20180702054450.29269-20-qi.z.zhang@intel.com>",
    "date": "2018-07-02T05:44:50",
    "name": "[v8,19/19] doc: update release notes for multi process hotplug",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "83f84ec74b99cea4ad2ac0bf3e24c231d728e7dc",
    "submitter": {
        "id": 504,
        "url": "http://patches.dpdk.org/api/people/504/",
        "name": "Zhang, Qi Z",
        "email": "qi.z.zhang@intel.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/patch/42052/mbox/",
    "series": [
        {
            "id": 344,
            "url": "http://patches.dpdk.org/api/series/344/",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=344",
            "date": "2018-07-02T05:44:31",
            "name": "enable hotplug on multi-process",
            "version": 8,
            "mbox": "http://patches.dpdk.org/series/344/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/42052/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/42052/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "References": "<20180607123849.14439-1-qi.z.zhang@intel.com>\n\t<20180702054450.29269-1-qi.z.zhang@intel.com>",
        "X-Mailman-Version": "2.1.15",
        "X-IronPort-AV": "E=Sophos;i=\"5.51,298,1526367600\"; d=\"scan'208\";a=\"53379090\"",
        "From": "Qi Zhang <qi.z.zhang@intel.com>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "X-ExtLoop1": "1",
        "X-BeenThere": "dev@dpdk.org",
        "Message-Id": "<20180702054450.29269-20-qi.z.zhang@intel.com>",
        "X-Original-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id EDD4A6C9B;\n\tMon,  2 Jul 2018 07:45:12 +0200 (CEST)",
            "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby dpdk.org (Postfix) with ESMTP id A8339559A\n\tfor <dev@dpdk.org>; Mon,  2 Jul 2018 07:45:06 +0200 (CEST)",
            "from orsmga007.jf.intel.com ([10.7.209.58])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t01 Jul 2018 22:45:03 -0700",
            "from dpdk51.sh.intel.com ([10.67.110.190])\n\tby orsmga007.jf.intel.com with ESMTP; 01 Jul 2018 22:44:51 -0700"
        ],
        "X-Mailer": "git-send-email 2.13.6",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "Subject": "[dpdk-dev] [PATCH v8 19/19] doc: update release notes for multi\n\tprocess hotplug",
        "Precedence": "list",
        "Date": "Mon,  2 Jul 2018 13:44:50 +0800",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "X-Amp-File-Uploaded": "False",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "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>",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Delivered-To": "patchwork@dpdk.org",
        "In-Reply-To": "<20180702054450.29269-1-qi.z.zhang@intel.com>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "To": "thomas@monjalon.net,\n\tanatoly.burakov@intel.com",
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "Errors-To": "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..93a813340 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 etherdev multi-process hotplug.**\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 etherdev locking.**\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": [
        "v8",
        "19/19"
    ]
}