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CO6PR18MB3860.namprd18.prod.outlook.com (2603:10b6:5:34d::12) by PH0PR18MB3926.namprd18.prod.outlook.com (2603:10b6:510:25::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6477.29; Mon, 12 Jun 2023 17:17:21 +0000 Received: from CO6PR18MB3860.namprd18.prod.outlook.com ([fe80::f89:9b78:c150:b46d]) by CO6PR18MB3860.namprd18.prod.outlook.com ([fe80::f89:9b78:c150:b46d%7]) with mapi id 15.20.6477.028; Mon, 12 Jun 2023 17:17:21 +0000 From: Sunil Kumar Kori <skori@marvell.com> To: Muhammad Bilal <m.bilal@emumba.com> CC: Stephen Hemminger <stephen@networkplumber.org>, "declan.doherty@intel.com" <declan.doherty@intel.com>, "tomasz.kantecki@intel.com" <tomasz.kantecki@intel.com>, Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>, "dev@dpdk.org" <dev@dpdk.org>, "jgrajcia@cisco.com" <jgrajcia@cisco.com>, "vipin.varghese@intel.com" <vipin.varghese@intel.com> Subject: RE: [dpdk-dev] [EXT] [PATCH 1/5] examples/l2fwd-event: free resources in case of error Thread-Topic: [dpdk-dev] [EXT] [PATCH 1/5] examples/l2fwd-event: free resources in case of error Thread-Index: AQHWLbs7IiZBopkxvk+4vFBt81nvaqivIz8AgBYzhYCADGfKUIAH/w4AgAEqqbCAAEn8gIAABoUwhrMJeYCAAASIwA== Date: Mon, 12 Jun 2023 17:17:20 +0000 Message-ID: <CO6PR18MB3860DBADEB2B1DE1AD48C69FB454A@CO6PR18MB3860.namprd18.prod.outlook.com> References: <20200519085444.4562-1-m.bilal@emumba.com> <BY5PR18MB3105DA2A2C084E4D488E1ABAB4B90@BY5PR18MB3105.namprd18.prod.outlook.com> <CAOFC0T3jT0+mZegRSYWLJ-b21CZwFk=G3pesOLFb-+XCmfLL+g@mail.gmail.com> <BY5PR18MB3105A40B5F6350EE6322662DB4830@BY5PR18MB3105.namprd18.prod.outlook.com> <CAOFC0T1s4PGQq_G15Mqzh3DxbkEhjKT7zOWWmXZOsTSrZE4Sag@mail.gmail.com> <BYAPR18MB26297745D4E89681EC93C624B49D0@BYAPR18MB2629.namprd18.prod.outlook.com> <CAOFC0T2MXBr91kq7=rMpvenYHiXAKHBbavSRJWpCGYcakLAyPg@mail.gmail.com> <BYAPR18MB262957B2CCB083F891A28B49B49D0@BYAPR18MB2629.namprd18.prod.outlook.com> <20230612095639.1f62fc15@hermes.local> In-Reply-To: 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Updating "To recipient".=20 Regards Sunil Kumar Kori > -----Original Message----- > From: Stephen Hemminger <stephen@networkplumber.org> > Sent: Monday, June 12, 2023 10:27 PM > To: Sunil Kumar Kori <skori@marvell.com> > Cc: Muhammad Bilal <m.bilal@emumba.com>; declan.doherty@intel.com; > tomasz.kantecki@intel.com; Pavan Nikhilesh Bhagavatula > <pbhagavatula@marvell.com>; dev@dpdk.org; jgrajcia@cisco.com; > vipin.varghese@intel.com > Subject: Re: [dpdk-dev] [EXT] [PATCH 1/5] examples/l2fwd-event: free > resources in case of error >=20 > On Tue, 16 Jun 2020 10:38:01 +0000 > Sunil Kumar Kori <skori@marvell.com> wrote: >=20 > > >> >> >> > > >> >> >> Also I think, it is better to release the relevant resources o= n error. > > >> >> >Here I'm solving the problem reported in bugzilla id 437. The > > >> >> >bug was that if we use --vdev=3Dnet_memif with l2fwd application > > >> >> >(and with its other variants) then a socket is created by memif > > >> >> >PMD, after rte_eal_init function has run successfully. And if > > >> >> >an error occurs then the application exits without freeing the > > >> >> >resources (socket). On running the application 2nd time we get > > >> >> >an error of "socket > > >already exists". >=20 > Bottom line: Fix memif, don't wallpaper over the bug by fixing the exampl= es. >=20 > Other user applications, can and do crash. The driver needs to be robust = and > handle that.