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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5994.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c682134b-e169-48e3-0dec-08da58d3e08b X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jun 2022 07:00:25.4274 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: iMFYeMdN6r+iVzjGtduwhleaVSNlQhNjyZY1P34OyF6ceWc11ZWeRam2tuOMR2fCmbXN0uL/6jVuFVr5kJ1TtQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1536 X-OriginatorOrg: intel.com X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org > -----Original Message----- > From: Zeng, ZhichaoX > Sent: Tuesday, June 28, 2022 2:21 PM > To: dev@dpdk.org > Cc: stable@dpdk.org; Yang, Qiming ; Zhang, Qi Z > ; Zeng, ZhichaoX ; > alvinx.zhang@intel.com; Guo, Junfeng ; Su, Simei > ; Ferruh Yigit > Subject: [PATCH v3] net/igc: move the initialization of data path into de= v_init >=20 > From: Zhichao Zeng >=20 > The upper-layer application usually call the common interface "dev_init" > to initialize the data path, but in the igc driver, the initialization of= data path is in > "igc_rx_init" and "eth_igc_tx_queue_setup", while in other drivers it is = in > "dev_init". So when upper-layer application calling these function pointe= rs will > occur segmentation faults. NO, for most intel PMD e.g.: i40e and ice, we don't initialize data path in= dev_init. >=20 > This patch moves the initialization of data path into "eth_igc_dev_init" > to avoid segmentation faults, which is consistent with other drivers. I saw dev->rx_pkt_burst can be overwritten in igc_rx_init, I assume the iss= ue still be exist.