Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated Graphics Passthrough Solution from Intel

From	Paolo Bonzini <pbonzini@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated Graphics Passthrough Solution from Intel
Date	2015-11-19 17:00 +0100
Message-ID	<qwzMU-2PJ-59@gated-at.bofh.it> (permalink)
References	(5 earlier) <qo8Tv-3we-15@gated-at.bofh.it> <qwfuP-6xU-15@gated-at.bofh.it> <qwoHL-4kt-9@gated-at.bofh.it> <qwrPk-6fw-5@gated-at.bofh.it> <qwztw-2Iv-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On 19/11/2015 16:32, Stefano Stabellini wrote:
> > 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.

I don't think QEMU command line compatibility between KVM and Xen should
be a design goal for GVT-g.

Nevertheless, it shouldn't be a problem to use a "virtual" VFIO (which
doesn't need the IOMMU, because it uses the MMU in the physical GPU)
even under Xen.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Thread

Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-18 19:20 +0100
  RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-19 05:10 +0100
    Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-19 08:30 +0100
      Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2015-11-19 16:40 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-19 17:00 +0100
          Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-20 04:00 +0100
            Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-20 05:30 +0100
              Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-20 07:00 +0100
                RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-20 07:10 +0100
                Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-20 17:50 +0100
                Re: [Qemu-devel] [Intel-gfx] [Announcement] 2015-Q3 release of XenGT  - a Mediated Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-23 06:00 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Paolo Bonzini <pbonzini@redhat.com> - 2015-11-19 17:00 +0100
          Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Stefano Stabellini <stefano.stabellini@eu.citrix.com> - 2015-11-19 17:20 +0100
    Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Gerd Hoffmann <kraxel@redhat.com> - 2015-11-19 09:50 +0100
      Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Paolo Bonzini <pbonzini@redhat.com> - 2015-11-19 12:10 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-20 03:50 +0100
      RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-20 07:20 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Gerd Hoffmann <kraxel@redhat.com> - 2015-11-20 09:30 +0100
          RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-20 09:40 +0100
            Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Zhiyuan Lv <zhiyuan.lv@intel.com> - 2015-11-20 10:00 +0100
    Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-19 21:10 +0100
      RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-20 08:20 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-20 18:10 +0100
      RE: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel "Tian, Kevin" <kevin.tian@intel.com> - 2015-11-20 09:20 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Alex Williamson <alex.williamson@redhat.com> - 2015-11-20 18:30 +0100
          Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Jike Song <jike.song@intel.com> - 2015-11-23 06:10 +0100
      Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Daniel Vetter <daniel@ffwll.ch> - 2015-11-24 12:20 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Chris Wilson <chris@chris-wilson.co.uk> - 2015-11-24 13:00 +0100
        Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Gerd Hoffmann <kraxel@redhat.com> - 2015-11-24 13:40 +0100
          Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Daniel Vetter <daniel@ffwll.ch> - 2015-11-24 14:40 +0100
            Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a  Mediated Graphics Passthrough Solution from Intel Gerd Hoffmann <kraxel@redhat.com> - 2015-11-24 15:20 +0100
              Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated  Graphics Passthrough Solution from Intel Daniel Vetter <daniel@ffwll.ch> - 2015-11-24 15:20 +0100

csiph-web