From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8F887A00C3 for ; Tue, 20 Sep 2022 17:13:38 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5E01840DFB; Tue, 20 Sep 2022 17:13:38 +0200 (CEST) Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by mails.dpdk.org (Postfix) with ESMTP id B8E414069B for ; Tue, 20 Sep 2022 17:13:36 +0200 (CEST) Received: by mail-pf1-f177.google.com with SMTP id j12so3011092pfi.11 for ; Tue, 20 Sep 2022 08:13:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date; bh=Lv1uSdTg2nCKm7GedVxGoUWW+0mobZB0J/bJNrT+ZEo=; b=heQCurNkp8YuTu9SdLb44dvZJrK69T0sYsAChA+DakfQYKs0yqYQLj4sPG4NVPCCAR RZZit54qwzLjvH2Jv4MaFqQM7Hiaps9oI4tjpaZGvorN3doH/+782HjdomNRqLz7zbWU E6Jeibdc6HMkTc82n7AnLFoSXPfw/upF+FU+B0fZTiu8Cc3/iqMQY/MXEMWC3ey68UQ4 BNIJgZehFt47UUcXtoZNhCRlGwnwxzvkJE8IgbFCO8wF4aCrEJn5BeAjd6HsnxNdN1Oc ZFuWZ6GVMVcJHzj9se0IJCAYUQo9yadN9Mfjms4juEsP55WX+Nixy/Gb58phuvSeFm/k 62YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date; bh=Lv1uSdTg2nCKm7GedVxGoUWW+0mobZB0J/bJNrT+ZEo=; b=LuVvQ1qJleGAqRIv69OhajSxmcxngen6JbKRYsuSC0/AyfJkPhLussVPK6YAtZGumJ VkI9sjnpva5+7DAsb2I3t5D4h3LbU1QfErJtDUspItm2fVMgII/RTwTz9gMk/HzlBgU2 pKB40JNXuK+qBMJh5h0CuKVaaaBB9dzAm/hnoAii4/dJR+nsWSoijf/LrFQca3uBZ1wh Pmx6bF0JcZpRSdh86y2ja0Vq2msLhSMv8P7Nc7IDpJFYnSDZzD3DMhchqfNlOXuraJQQ k16NkwAoTpvNF8dT96H2oVouRKZo3ZqpwYAEWjghowss8pNHmzrMpvb3gaXV3beUi+Pe CoUw== X-Gm-Message-State: ACrzQf1ioriPkd1LFOjuR4Bh/EExhi0aZlr3RXQIZaJI/PeS+OK9QYjo 9qVHKq8WzI6g33Gp8l6TYPH7uD1BOESYcg== X-Google-Smtp-Source: AMsMyM6ecO0RqGmCTGcWRwSsyuEn1gesXAcpIoeAnNef0l58zZeoralJMkEROK7nEio+skb0TCzp/w== X-Received: by 2002:a05:6a00:1390:b0:540:b6b6:e978 with SMTP id t16-20020a056a00139000b00540b6b6e978mr24074858pfg.8.1663686815936; Tue, 20 Sep 2022 08:13:35 -0700 (PDT) Received: from hermes.local (204-195-120-218.wavecable.com. [204.195.120.218]) by smtp.gmail.com with ESMTPSA id p124-20020a62d082000000b0053e3ed14419sm12183pfg.48.2022.09.20.08.13.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Sep 2022 08:13:35 -0700 (PDT) Date: Tue, 20 Sep 2022 08:13:33 -0700 From: Stephen Hemminger To: Antonio Di Bacco Cc: users@dpdk.org Subject: Re: ABI version on build machine and target machine Message-ID: <20220920081333.4ef0e8db@hermes.local> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Tue, 20 Sep 2022 16:24:52 +0200 Antonio Di Bacco wrote: > I have an application that is built with version 21.11.0 of the DPDK (ABI22). > Now I run the application on a target machine that has 21.11.2 > installed, then the same ABI. > > How can I be sure that the DPDK inlined source code in 21.11.0 is the > same or compatible with that in 21.11.2? > I mean, if an inline function in version 21.11.0 has changed in > 21.11.2, could I see problems? > > Is this important or the fact that the two DPDKs have the same ABI > grants that everything will work? yes. Especially for bugfix (ie stable) releases. The only thing is that if a bug fix is done in an inline in 21.11.2 then obviously you have to build with that version to get it.