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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT020.mail.protection.outlook.com (10.13.176.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5746.16 via Frontend Transport; Tue, 18 Oct 2022 19:44:53 +0000 Received: from driver-dev1.pensando.io (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 18 Oct 2022 14:44:38 -0500 From: Andrew Boyer To: CC: Andrew Boyer Subject: [PATCH v2 12/36] net/ionic: only allocate interrupts if required Date: Tue, 18 Oct 2022 12:41:07 -0700 Message-ID: <20221018194131.23006-13-andrew.boyer@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221011005032.47584-1-andrew.boyer@amd.com> References: <20221011005032.47584-1-andrew.boyer@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT020:EE_|LV2PR12MB5728:EE_ X-MS-Office365-Filtering-Correlation-Id: b806c325-242e-4469-eed6-08dab1413a96 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CAT:NONE; SFS:(13230022)(4636009)(346002)(39860400002)(396003)(136003)(376002)(451199015)(46966006)(36840700001)(40470700004)(83380400001)(36756003)(2906002)(8936002)(86362001)(5660300002)(4326008)(82310400005)(186003)(26005)(41300700001)(1076003)(6666004)(40460700003)(44832011)(2616005)(16526019)(336012)(478600001)(356005)(8676002)(47076005)(70206006)(70586007)(81166007)(426003)(6916009)(40480700001)(316002)(82740400003)(36860700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Oct 2022 19:44:53.9994 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b806c325-242e-4469-eed6-08dab1413a96 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT020.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5728 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org There is no need to allocate the interrupt vector list if datapath packet interrupts are not enabled. This conserves resources. Signed-off-by: Andrew Boyer --- drivers/net/ionic/ionic_ethdev.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/ionic/ionic_ethdev.c b/drivers/net/ionic/ionic_ethdev.c index 637553716d..cabdfa1f21 100644 --- a/drivers/net/ionic/ionic_ethdev.c +++ b/drivers/net/ionic/ionic_ethdev.c @@ -1082,14 +1082,16 @@ ionic_configure_intr(struct ionic_adapter *adapter) return -1; } - if (rte_intr_dp_is_en(intr_handle)) + if (rte_intr_dp_is_en(intr_handle)) { IONIC_PRINT(DEBUG, "Packet I/O interrupt on datapath is enabled"); - if (rte_intr_vec_list_alloc(intr_handle, "intr_vec", adapter->nintrs)) { - IONIC_PRINT(ERR, "Failed to allocate %u vectors", - adapter->nintrs); - return -ENOMEM; + if (rte_intr_vec_list_alloc(intr_handle, "intr_vec", + adapter->nintrs)) { + IONIC_PRINT(ERR, "Failed to allocate %u vectors", + adapter->nintrs); + return -ENOMEM; + } } err = rte_intr_callback_register(intr_handle,