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b=GejlNVN9QuVGUsT42Yh8hHrQ3uEc1GwgYR79YTI0Cau7pM3N4fCEFNcVUHDYyMVZDgr9BQKJgvSvFEb2WyHeS3HMJHzSvxk8tXTn6EsxhaRBhAQwJwC07yy+mVbTmvQqnqrAU1Tt98AxTJ+cIP3i90oQOqkx5Rq0sOOVoTwoI6I= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) by BY1PR12MB8447.namprd12.prod.outlook.com (2603:10b6:a03:525::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7386.29; Thu, 21 Mar 2024 16:27:30 +0000 Received: from CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::282f:29d3:cac1:cde3]) by CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::282f:29d3:cac1:cde3%6]) with mapi id 15.20.7409.022; Thu, 21 Mar 2024 16:27:30 +0000 Message-ID: <91a42fb8-e0c8-4efb-9eea-f25e5cb2ec43@amd.com> Date: Thu, 21 Mar 2024 16:27:26 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] net/txgbe: add vectorized functions for Rx/Tx Content-Language: en-US To: Jiawen Wu , Honnappa Nagarahalli References: <20240201030019.21336-1-jiawenwu@trustnetic.com> <20240201030019.21336-2-jiawenwu@trustnetic.com> <4a0e5000-3ae3-4894-a23d-715801f3c3b7@amd.com> <07f901da6ed4$a3914660$eab3d320$@trustnetic.com> Cc: dev@dpdk.org From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@amd.com; 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Otherwise, there are warnings in the compilation: > > [1909/2921] Compiling C object drivers/libtmp_rte_net_txgbe.a.p/net_txgbe_txgbe_rxtx_vec_neon.c.o > ../drivers/net/txgbe/txgbe_rxtx_vec_neon.c: In function ‘txgbe_rxq_rearm’: > ../drivers/net/txgbe/txgbe_rxtx_vec_neon.c:37:15: warning: cast discards ‘volatile’ qualifier from pointer target type [-Wcast-qual] > vst1q_u64((uint64_t *)&rxdp[i], zero); > ^ > ../drivers/net/txgbe/txgbe_rxtx_vec_neon.c:60:13: warning: cast discards ‘volatile’ qualifier from pointer target type [-Wcast-qual] > vst1q_u64((uint64_t *)rxdp++, dma_addr0); > ^ > ../drivers/net/txgbe/txgbe_rxtx_vec_neon.c:65:13: warning: cast discards ‘volatile’ qualifier from pointer target type [-Wcast-qual] > vst1q_u64((uint64_t *)rxdp++, dma_addr1); > Hi Honnappa, There are multiple drivers ignores "-Wcast-qual" for neon implementation. Is there a better, more proper way to address this warning? Thanks, ferruh