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PH0PR18MB4672.namprd18.prod.outlook.com (2603:10b6:510:c9::16) by CO6PR18MB3937.namprd18.prod.outlook.com (2603:10b6:5:345::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6678.29; Wed, 16 Aug 2023 10:46:40 +0000 Received: from PH0PR18MB4672.namprd18.prod.outlook.com ([fe80::cd84:2ed1:5222:7527]) by PH0PR18MB4672.namprd18.prod.outlook.com ([fe80::cd84:2ed1:5222:7527%6]) with mapi id 15.20.6678.025; Wed, 16 Aug 2023 10:46:39 +0000 From: Anoob Joseph To: Vipin Varghese CC: "Ferruh.Yigit@amd.com" , "cheng1.jiang@intel.com" , "stable@dpdk.org" , "thomas@monjalon.net" , "dev@dpdk.org" , Jerin Jacob Kollanukkaran Subject: RE: [EXT] [PATCH v2] app/dma-perf: fix physical address seg-fault Thread-Topic: [EXT] [PATCH v2] app/dma-perf: fix physical address seg-fault Thread-Index: AQHZ0CYAkn5wbNc32kel0/ICs5lFIa/svTlA Date: Wed, 16 Aug 2023 10:46:39 +0000 Message-ID: References: <20230816071810.1796-1-vipin.varghese@amd.com> 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X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: +wtL9xeiiZqkEJCGTU51Yrd1Lcq6sROpMlAxG2RiTIak2mqDwRK+sfWdCfwEQ63JtN74tQ7vPBbFXgP2olXd1A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR18MB3937 X-Proofpoint-ORIG-GUID: ksBAg5Gz1YPoghgeuupRnGV1x1gvolyF X-Proofpoint-GUID: ksBAg5Gz1YPoghgeuupRnGV1x1gvolyF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-16_09,2023-08-15_02,2023-05-22_02 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 > do_cpu_mem_copy uses DPDK API rte_mbuf_data_iova to return the start > of the virtual address for both src and dst. > But in case of iova mode set as PA, this results in seg-fault. > This is because rte_memcpy uses VA address and not PA. >=20 > This fix invokes `rte_pktmbuf_mtod` for both src and dst. >=20 > Bugzilla ID: 1269 > Fixes: 623dc9364dc6 ("app/dma-perf: introduce DMA performance test") > Cc: cheng1.jiang@intel.com >=20 > Cc: stable@dpdk.org >=20 > Signed-off-by: Vipin Varghese > Suggested-by: Anoob Joseph Acked-by: Anoob Joseph