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 EFB74A0093 for ; Fri, 23 Dec 2022 12:57:41 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C67B240A7F; Fri, 23 Dec 2022 12:57:41 +0100 (CET) Received: from mail-lf1-f54.google.com (mail-lf1-f54.google.com [209.85.167.54]) by mails.dpdk.org (Postfix) with ESMTP id 4F20D40698 for ; Fri, 23 Dec 2022 12:57:40 +0100 (CET) Received: by mail-lf1-f54.google.com with SMTP id p36so6805246lfa.12 for ; Fri, 23 Dec 2022 03:57:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.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 :message-id:reply-to; bh=vutD+N5azkM7c3VQqYcORCvLmfe/XOBnjwxZCyQjQnU=; b=djLL+dYQqVl9vNFweNUyJmK9Ps5kd2yVepdy1sBOK55aENOVnTQFkHK6nmnFxrhwom GkiKAqBlF14OQYDRS9+f4JMF439mN0l4LJBPsQTtV2xstJD+nFMyO73V0u+ZyMjflXy8 PhOcuIfifXhxEVR0fjRg7i8MOmwvQJFYc/Pe4+bnwUV/k0ZsAjScgRe/5hwm1Hl16FwK 24MhOX4q0tS32yYULJQz6QTILuJ6FBmhliuyYFi2fg9pyv2SIaPQL3P0MYM0AOzOM24t CSxxDAnJP4w0xv5EeukBPuSu2Qx1gkUrUsdGh6J5xLKNxKOgmCSKA1warVHsDqjjyurt /giQ== 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:message-id:reply-to; bh=vutD+N5azkM7c3VQqYcORCvLmfe/XOBnjwxZCyQjQnU=; b=VMW6DmdUTYOgsUlm6cEUwrNjhLtd8DzZfvi9Z2zaEyV6gMQJ8gqhdbcdAd/JK+DRFp njWhl1FkPvtcnNCWb80EnKRuE5hJTjkoBt9b+azGIZBvtHXRBLYJHA5PAa3PKHVx4rxM aAlxXKVgi0vuDcFDqQp7lgdES3bzFt09PXuufeefqVwc506aVsCMRFWFrVSiiOYPkPwg Yjv6k9mVWPx/zNUwKdbg/2AcTCqgg96nhYcV4/QESxXHiXhRo0MPMRlqQoQs9uVwcSm3 7Zpezret22TCo6F/dNVMvYGQWW3/Yy11o1e8iypDfJRVsrd485RxeulrkmGzsGaJWPcy 8X3g== X-Gm-Message-State: AFqh2kpgckwp6+S+F/izucadk+6dqV0LW0bKlJ1ARJ5aGI36rqhipvPx 9j3kHe+XGclQwObTl/ITDjQ= X-Google-Smtp-Source: AMrXdXtXSqFmK0F3Gm8YNIKcY1xFH64Kjg1wcogoG635Hvo+Wz+T1TFnFRDsHcxgDhy3quCw4LBGzg== X-Received: by 2002:a05:6512:20d4:b0:4b5:b705:9bf7 with SMTP id u20-20020a05651220d400b004b5b7059bf7mr2137781lfr.11.1671796659678; Fri, 23 Dec 2022 03:57:39 -0800 (PST) Received: from sovereign (broadband-37-110-65-23.ip.moscow.rt.ru. [37.110.65.23]) by smtp.gmail.com with ESMTPSA id s1-20020a05651c048100b002797892025csm389528ljc.137.2022.12.23.03.57.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Dec 2022 03:57:39 -0800 (PST) Date: Fri, 23 Dec 2022 14:57:38 +0300 From: Dmitry Kozlyuk To: Oleksandr Nahnybida Cc: users@dpdk.org Subject: Re: How to disable usage of VPCLMULQDQ Message-ID: <20221223145738.67dc6e6a@sovereign> In-Reply-To: References: X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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 2022-12-23 13:15 (UTC+0200), Oleksandr Nahnybida: > Hi All, > > DPDKv22.11 > > My build machine supports VPCLMULQDQ instruction, but the machine I run > DPDK on doesn't support it, is there a way to force the build system not to > use this instruction? > > Right now, I added this line at the beginning of config/x86/meson.build: > machine_args += '-mno-vpclmulqdq' > > But, it would have been nice if there was a build config to do this. Hi Oleksandr, Use -Dcpu_instruction_set=haswell (for example) suitable for your target. Read more about -Dplatform and -Dcpu_instruction_set: https://doc.dpdk.org/guides/linux_gsg/build_dpdk.html