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Date: Thu, 19 Nov 2015 15:32:10 +0000
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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To: Jike Song <jike.song@intel.com>
CC: Alex Williamson <alex.williamson@redhat.com>,
        "Tian, Kevin" <kevin.tian@intel.com>,
        "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
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        "Dong, Eddie" <eddie.dong@intel.com>, "Li, Susie" <susie.li@intel.com>,
        "Cowperthwaite, David J" <david.j.cowperthwaite@intel.com>,
        "Reddy, Raghuveer" <raghuveer.reddy@intel.com>,
        "Zhu, Libo" <libo.zhu@intel.com>, "Zhou, Chao" <chao.zhou@intel.com>,
        "Wang, Hongbo" <hongbo.wang@intel.com>,
        "Lv, Zhiyuan" <zhiyuan.lv@intel.com>,
        qemu-devel <qemu-devel@nongnu.org>,
        Paolo Bonzini <pbonzini@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated
 Graphics Passthrough Solution from Intel
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On Thu, 19 Nov 2015, Jike Song wrote:
> Hi Alex, thanks for the discussion.
> 
> In addition to Kevin's replies, I have a high-level question: can VFIO
> be used by QEMU for both KVM and Xen?

No. VFIO cannot be used with Xen today. When running on Xen, the IOMMU
is owned by Xen.
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