From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by dpdk.org (Postfix) with ESMTP id 5F777952 for ; Thu, 17 Dec 2015 22:16:40 +0100 (CET) Received: by mail-wm0-f50.google.com with SMTP id l126so39693181wml.1 for ; Thu, 17 Dec 2015 13:16:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=message-id:date:from:organization:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=hJqDFf82hwENR3AeoGV95b1s4QoK1BulMaB9WyFfQTA=; b=I0QrbmTJbH2/9LG8t92CCdi9v5u1ahtVBeRDhqXk/RWq0pMhO36OC3pYwWdvLB+BHl PgfFlPsxd9A3muvRWZLeT1BxYEoyT2CjBkC+YfKdeV4flXWB4UaQ2NKKZcF+4i1rLZiC cBRIjPkVepjB76/BU0crLQ3mQMAHa+hN4lydHuqiWamaDWGupphfYsE9pMiiwePJ5HmN TVTowic5VqwCPE6OYH35FHd8T35o9H4FcDAUv0a67HNFwlJYOtwPxsVJcx2apJTV92PK P31xdTviKJx75Tfbu/y10Umej32wGxCgsMd9JdDjeOpAO6maxmaQzu9iKbi8pX+Kcl7a afpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:organization:user-agent :mime-version:to:cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=hJqDFf82hwENR3AeoGV95b1s4QoK1BulMaB9WyFfQTA=; b=HvUMJBAgdEOcWdg+NkC+XB3gkVTB01uwytT5Zr+fSLYjWaJCG3G8dU9Gqn6ta2CNzP 2x9/qViEsbqYzc3kNz33ImuBkGpADvo2CuIdTNi1zG5dTG4hFTand2iZzw3XFrIA5MMm Cc70U5mFNw8n4+jff7yjafYzhb6LdCP2g9MfjIDpp/beNgR/g6zAFzqbDp1w8wuKQTc7 wiH0Ixv5bUXTJ9BBmuC94zvSBAfPj8btYgmt/omsHTKBGvyFNlOgnXvGYeJcRHAbjSGi mgixBZ2h4iVzf3rxDnyuA+YO+ignpGDZ4gY/832jRO5v670ArFeBpkR/g24aQAh6Qolu mYEA== X-Gm-Message-State: ALoCoQm2X3dSCyewVPrL00TtPXB/ytoA5l9bVvMoNGDI2e1qd8AYL77RPir/6RmSjv42zYXQ8FnCy1tMfLxb3XPk0W4lSW/7/w== X-Received: by 10.194.119.68 with SMTP id ks4mr58201514wjb.45.1450387000155; Thu, 17 Dec 2015 13:16:40 -0800 (PST) Received: from saturne.dev.6wind.com ([2a01:e35:8a8e:1b70:226:b9ff:fec7:e133]) by smtp.gmail.com with ESMTPSA id u62sm3931383wmg.4.2015.12.17.13.16.38 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 17 Dec 2015 13:16:39 -0800 (PST) Message-ID: <56732636.7080208@6wind.com> Date: Thu, 17 Dec 2015 22:16:38 +0100 From: Vincent JARDIN Organization: www.6wind.com User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Jan Viktorin References: <60420822.AbcfvjLZCk@xps13> <17700135.Qc9aIsHGGP@xps13> <2580440.9rYeIQLTBH@xps13> <20151217203816.1bc6bd2c@jvn> In-Reply-To: <20151217203816.1bc6bd2c@jvn> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org Subject: Re: [dpdk-dev] VFIO no-iommu X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2015 21:16:40 -0000 On 17/12/2015 20:38, Jan Viktorin wrote: > which platforms (or computer systems) I am targeting? It is about VMs on IOMMU capable systems. What if you need to use SRIOV with IXGBE, or IGB devices? For some DPDK cases, like Mellanox or virtio, you do not need to use VFIO/UIO into the guests, so no issue. But for some other PMDs, you need a VFIO/UIO. Best regards, Vincent