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GET /api/patches/135052/?format=api
{ "id": 135052, "url": "http://patchwork.dpdk.org/api/patches/135052/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20231212042517.164353-5-artemyko@nvidia.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": "<20231212042517.164353-5-artemyko@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231212042517.164353-5-artemyko@nvidia.com", "date": "2023-12-12T04:25:15", "name": "[4/5] eal: fix first time primary autodetect", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "01115e22f052421a66e17b05dff849fe859cac69", "submitter": { "id": 3172, "url": "http://patchwork.dpdk.org/api/people/3172/?format=api", "name": "Artemy Kovalyov", "email": "artemyko@nvidia.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/20231212042517.164353-5-artemyko@nvidia.com/mbox/", "series": [ { "id": 30517, "url": "http://patchwork.dpdk.org/api/series/30517/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=30517", "date": "2023-12-12T04:25:12", "name": "addressing races in concurrent process startup", "version": 1, "mbox": "http://patchwork.dpdk.org/series/30517/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/135052/comments/", "check": "warning", "checks": "http://patchwork.dpdk.org/api/patches/135052/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 59D1F436CB;\n\tTue, 12 Dec 2023 05:26:02 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 2164442DFE;\n\tTue, 12 Dec 2023 05:25:48 +0100 (CET)", "from NAM11-BN8-obe.outbound.protection.outlook.com\n (mail-bn8nam11on2040.outbound.protection.outlook.com [40.107.236.40])\n by mails.dpdk.org (Postfix) with ESMTP id 0F04C42DF1;\n Tue, 12 Dec 2023 05:25:47 +0100 (CET)", "from SN7PR18CA0026.namprd18.prod.outlook.com (2603:10b6:806:f3::18)\n by CH3PR12MB9341.namprd12.prod.outlook.com (2603:10b6:610:1cd::20)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7068.33; 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helo=mail.nvidia.com; pr=C", "From": "Artemy Kovalyov <artemyko@nvidia.com>", "To": "<dev@dpdk.org>", "CC": "Thomas Monjalon <thomas@monjalon.net>, <stable@dpdk.org>", "Subject": "[PATCH 4/5] eal: fix first time primary autodetect", "Date": "Tue, 12 Dec 2023 06:25:15 +0200", "Message-ID": "<20231212042517.164353-5-artemyko@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20231212042517.164353-1-artemyko@nvidia.com>", "References": "<20231212042517.164353-1-artemyko@nvidia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-NV-OnPremToCloud": "ExternallySecured", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SA2PEPF000015C6:EE_|CH3PR12MB9341:EE_", "X-MS-Office365-Filtering-Correlation-Id": "1eb852e5-80fa-47b6-34b5-08dbfaca67d9", "X-LD-Processed": "43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:216.228.118.232; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge1.nvidia.com; CAT:NONE;\n SFS:(13230031)(4636009)(136003)(396003)(39860400002)(376002)(346002)(230922051799003)(82310400011)(451199024)(186009)(64100799003)(1800799012)(40470700004)(46966006)(36840700001)(40460700003)(26005)(336012)(6286002)(426003)(83380400001)(7696005)(2616005)(1076003)(47076005)(36860700001)(5660300002)(4326008)(8936002)(41300700001)(8676002)(4744005)(2906002)(6666004)(478600001)(316002)(6916009)(54906003)(70206006)(70586007)(36756003)(86362001)(7636003)(82740400003)(356005)(40480700001)(55016003);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "12 Dec 2023 04:25:43.4432 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 1eb852e5-80fa-47b6-34b5-08dbfaca67d9", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.232];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n SA2PEPF000015C6.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CH3PR12MB9341", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "If the configuration file is absent, the autodetection function should\ngenerate and secure it. Otherwise, multiple simultaneous openings could\nerroneously identify themselves as primary instances.\n\nFixes: af75078fece3 (\"first public release\")\nCc: stable@dpdk.org\n\nSigned-off-by: Artemy Kovalyov <artemyko@nvidia.com>\n---\n lib/eal/linux/eal.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c\nindex 57da058..9b59cec 100644\n--- a/lib/eal/linux/eal.c\n+++ b/lib/eal/linux/eal.c\n@@ -360,7 +360,7 @@ enum rte_proc_type_t\n \t\t * keep that open and don't close it to prevent a race condition\n \t\t * between multiple opens.\n \t\t */\n-\t\tif (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&\n+\t\tif (((mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0600)) >= 0) &&\n \t\t\t\t(fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))\n \t\t\tptype = RTE_PROC_SECONDARY;\n \t}\n", "prefixes": [ "4/5" ] }