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The State Of Intel's GPU Virtualization Pass-Through On Linux

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  • The State Of Intel's GPU Virtualization Pass-Through On Linux

    Phoronix: The State Of Intel's GPU Virtualization Pass-Through On Linux

    Wrapping up our XDC2017 coverage for this annual X.Org developer event that took place this past week in Mountain View, Zhenyu Wang of Intel presented on their ongoing work for mediated GPU virtualization pass-through support on Linux, Intel GVT...

    http://www.phoronix.com/scan.php?pag...2017-Intel-GVT

  • #2
    Biggest question is if this would work with native drivers on windows.
    And of course if this were to work with native drives on OSX, this could let us run that shit on my PC, rather than on macbook which we own, but running OSX alone in KVM is really hard I heard, so this is very advanced.

    So my only question is, does it work with windows drivers? Which windows versions are supported if so?

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    • #3
      Originally posted by Maxim Levitsky View Post
      So my only question is, does it work with windows drivers? Which windows versions are supported if so?
      I believe that the guest sees the device as the native hardware, aka the same drivers that you'd use under windows as host, work for the guest. Everything from Windows 7+ is supported.

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      • #4
        Intel seems to be fine with pass-through as of lately, but Ryzens and possible other AMD CPUs are suffering from various NPT (Nested Page Tables, https://www.anandtech.com/show/2480/10) oddities.

        https://bugzilla.kernel.org/show_bug.cgi?id=196409
        https://community.amd.com/thread/215931

        IMHO, it is time to raise some dust about this...

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        • #5
          most boring and hard to listen talk in a while, mostly cosists of "ahm, ah, …" :-/ people should really practice their talk, at least once, ... :-/

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          • #6
            Originally posted by rene View Post
            most boring and hard to listen talk in a while, mostly cosists of "ahm, ah, …" :-/ people should really practice their talk, at least once, ... :-/
            Frankly I feel that way about most speakers in Xorg events or alike.
            It does not help that many of them are non native english speakers, that probably write and read english a lot, but maybe don't speak it that much.

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            • #7
              there is some tutorial, explanation to put this working, or no documention?

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              • #8
                Originally posted by rene View Post
                most boring and hard to listen talk in a while, mostly cosists of "ahm, ah, …" :-/ people should really practice their talk, at least once, ... :-/
                Many programmers aren't good at speaking in public anyway, and practicing enough to be decent means investing a lot of time and effort.

                I personally think they should have some professional speaker do the talks, while the developer is in the room for answering questions only.

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                • #9
                  Originally posted by andre30correia View Post
                  there is some tutorial, explanation to put this working, or no documention?
                  Wendel from level1linux did a 5 hour livestream yesterday setting it up.
                  unlisted video: https://www.youtube.com/watch?v=srfpQ3LmTVg
                  The documentation should be in the level1linux forums haven't searched for it yet.

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                  • #10
                    Would this allow proper video acceleration on Linux and Windows VMs through KVM (say through gnome boxes)? I'm thinking of something like virtualbox additions that allow full resolution and improved graphical responsiveness.

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