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GET /api/patches/50743/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 50743,
    "url": "https://patches.dpdk.org/api/patches/50743/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20190302024253.15594-2-thomas@monjalon.net/",
    "project": {
        "id": 1,
        "url": "https://patches.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": "<20190302024253.15594-2-thomas@monjalon.net>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190302024253.15594-2-thomas@monjalon.net",
    "date": "2019-03-02T02:42:51",
    "name": "[1/3] eal: remove useless checks for already probed device",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "e7a3ce381faa3d04328fa8b0017f3108eec07e6e",
    "submitter": {
        "id": 685,
        "url": "https://patches.dpdk.org/api/people/685/?format=api",
        "name": "Thomas Monjalon",
        "email": "thomas@monjalon.net"
    },
    "delegate": {
        "id": 24651,
        "url": "https://patches.dpdk.org/api/users/24651/?format=api",
        "username": "dmarchand",
        "first_name": "David",
        "last_name": "Marchand",
        "email": "david.marchand@redhat.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20190302024253.15594-2-thomas@monjalon.net/mbox/",
    "series": [
        {
            "id": 3612,
            "url": "https://patches.dpdk.org/api/series/3612/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=3612",
            "date": "2019-03-02T02:42:50",
            "name": "fix error path of multi-process probe",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/3612/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/50743/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/50743/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 540C837AF;\n\tSat,  2 Mar 2019 03:43:33 +0100 (CET)",
            "from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com\n\t[66.111.4.26]) by dpdk.org (Postfix) with ESMTP id 4B9A837A2;\n\tSat,  2 Mar 2019 03:43:31 +0100 (CET)",
            "from compute1.internal (compute1.nyi.internal [10.202.2.41])\n\tby mailout.nyi.internal (Postfix) with ESMTP id EC03D21DA6;\n\tFri,  1 Mar 2019 21:43:30 -0500 (EST)",
            "from mailfrontend1 ([10.202.2.162])\n\tby compute1.internal (MEProxy); Fri, 01 Mar 2019 21:43:30 -0500",
            "from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184])\n\tby mail.messagingengine.com (Postfix) with ESMTPA id D1DC0E40C1;\n\tFri,  1 Mar 2019 21:43:29 -0500 (EST)"
        ],
        "DKIM-Signature": [
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        ],
        "X-ME-Sender": "<xms:0u15XOZmX2d1RqYMewvUMbzRFcfq9t4_cloR7_ibgCH631P4tMDNlw>",
        "X-ME-Proxy-Cause": "gggruggvucftvghtrhhoucdtuddrgedutddrvdeigdegkecutefuodetggdotefrodftvf\n\tcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu\n\tuegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfggfgsedtkeertd\n\tertddtnecuhfhrohhmpefvhhhomhgrshcuofhonhhjrghlohhnuceothhhohhmrghssehm\n\tohhnjhgrlhhonhdrnhgvtheqnecukfhppeejjedrudefgedrvddtfedrudekgeenucfrrg\n\thrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhhonhdrnhgvthenucev\n\tlhhushhtvghrufhiiigvpedt",
        "X-ME-Proxy": "<xmx:0u15XLD3ZIZErLYIkxfxXoaCsxvY0SacUIlINkHyrhXKIOwFBCduKA>\n\t<xmx:0u15XMb9KhIXHhseh2gQQVUjX22CTsi_41-sKFz5gx7vuSpc-rrDHg>\n\t<xmx:0u15XHjR3XA3sxitWf3NiOYcfvgMlXd3tPaRUx2QZz-z4FblKL5RZA>\n\t<xmx:0u15XL9lS4wZZpYj_m9UfkPVoCRFVFbesPv8RAlhpQYNyHth2yIofA>",
        "From": "Thomas Monjalon <thomas@monjalon.net>",
        "To": "dev@dpdk.org",
        "Cc": "dariusz.stojaczyk@intel.com,\n\tqi.z.zhang@intel.com,\n\tstable@dpdk.org",
        "Date": "Sat,  2 Mar 2019 03:42:51 +0100",
        "Message-Id": "<20190302024253.15594-2-thomas@monjalon.net>",
        "X-Mailer": "git-send-email 2.20.1",
        "In-Reply-To": "<20190302024253.15594-1-thomas@monjalon.net>",
        "References": "<20190302024253.15594-1-thomas@monjalon.net>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[dpdk-dev] [PATCH 1/3] eal: remove useless checks for already\n\tprobed device",
        "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": "The function eal_dev_hotplug_request_to_secondary() never returns\n-EEXIST result. The case of already probed device is filtered out.\n\nThe test in __handle_secondary_request() was always true.\nThe test in rte_dev_probe() was never true, and that's fine not\nreturning -EEXIST if device is already attached in secondary processes.\n\nFixes: 494db286f37d (\"eal: fix multi-process hotplug if attached in secondary\")\nCc: dariusz.stojaczyk@intel.com\nCc: qi.z.zhang@intel.com\nCc: stable@dpdk.org\n\nSigned-off-by: Thomas Monjalon <thomas@monjalon.net>\n---\n lib/librte_eal/common/eal_common_dev.c | 9 +--------\n lib/librte_eal/common/hotplug_mp.c     | 3 +--\n 2 files changed, 2 insertions(+), 10 deletions(-)",
    "diff": "diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c\nindex fd7f5ca7d5..048c0b025f 100644\n--- a/lib/librte_eal/common/eal_common_dev.c\n+++ b/lib/librte_eal/common/eal_common_dev.c\n@@ -247,18 +247,11 @@ rte_dev_probe(const char *devargs)\n \t\tgoto rollback;\n \t}\n \n-\t/**\n-\t * if any secondary failed to attach, we need to consider if rollback\n-\t * is necessary.\n-\t */\n+\t/* if any secondary failed to attach, need to rollback. */\n \tif (req.result != 0) {\n \t\tRTE_LOG(ERR, EAL,\n \t\t\t\"Failed to attach device on secondary process\\n\");\n \t\tret = req.result;\n-\n-\t\t/* for -EEXIST, we don't need to rollback. */\n-\t\tif (ret == -EEXIST)\n-\t\t\treturn ret;\n \t\tgoto rollback;\n \t}\n \ndiff --git a/lib/librte_eal/common/hotplug_mp.c b/lib/librte_eal/common/hotplug_mp.c\nindex 4052a5c7fb..94bd1d896e 100644\n--- a/lib/librte_eal/common/hotplug_mp.c\n+++ b/lib/librte_eal/common/hotplug_mp.c\n@@ -110,8 +110,7 @@ __handle_secondary_request(void *param)\n \t\tif (tmp_req.result != 0) {\n \t\t\tret = tmp_req.result;\n \t\t\tRTE_LOG(ERR, EAL, \"Failed to hotplug add device on secondary\\n\");\n-\t\t\tif (ret != -EEXIST)\n-\t\t\t\tgoto rollback;\n+\t\t\tgoto rollback;\n \t\t}\n \t} else if (req->t == EAL_DEV_REQ_TYPE_DETACH) {\n \t\tret = rte_devargs_parse(&da, req->devargs);\n",
    "prefixes": [
        "1/3"
    ]
}