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b=sVkK+v255YxW29Fzm7xOLSOd27EvmbBuRiyx4OXLWovYYfQQLlPf8JD/Z5QJnW1/H1Skgx59vNXac0iERZhaHG7xhka4m7x4dVK+MU3iGCtMGL7Xfyp73jZvZy7Ai0apPvNBdFWh6/Ym0WVUYRXe7iimHfRywLSWlYtcZ6YtnL4= 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 BL1PR12MB5125.namprd12.prod.outlook.com (2603:10b6:208:309::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7202.34; Tue, 23 Jan 2024 09:14:26 +0000 Received: from CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::815a:45e6:cf5e:479f]) by CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::815a:45e6:cf5e:479f%4]) with mapi id 15.20.7202.035; Tue, 23 Jan 2024 09:14:19 +0000 Message-ID: <009856cb-bfef-437f-a62c-98c2c617f61f@amd.com> Date: Tue, 23 Jan 2024 09:14:14 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/8] optimize the firmware loading process Content-Language: en-US To: Chaoyong He , "dev@dpdk.org" Cc: oss-drivers References: <20240115025419.2447759-1-chaoyong.he@corigine.com> <94398a42-9bdb-4df2-b4e0-bba289cb2405@amd.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@amd.com; 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dev@dpdk.org >> Cc: oss-drivers >> Subject: Re: [PATCH 0/8] optimize the firmware loading process >> >> On 1/15/2024 2:54 AM, Chaoyong He wrote: >>> This patch series aims to speedup the DPDK application start by >>> optimize the firmware loading process in sereval places. >>> We also simplify the port name in multiple PF firmware case to make >>> the customer happy. >>> >> >> <...> >> >>> net/nfp: add the elf module >>> net/nfp: reload the firmware only when firmware changed >> >> Above commit adds elf parser capability and second one loads firmware when >> build time is different. >> >> I can see this is an optimization effort, to understand FW status before loading >> FW, but relying on build time seems fragile. Does it help to add a new section >> to store version information and evaluate based on this information? >> > > We have a branch of firmware (several app type combined with NFD3/NFDk) with the same version information(monthly publish), > so the version information can't help us, because we can't distinguish among them. > > But the build time is different for every firmware, and that's the reason we choose it. > If version is same although FW itself is different, isn't this problem on its own? Perhaps an additional field is required in version syntax.