Intel GVT-G Starts Being Usable On Linux 4.10, But More Work Still Needed
Written by Michael Larabel in Virtualization on 17 January 2017 at 06:24 AM EST. 2 Comments
VIRTUALIZATION --
With the Linux 4.10 kernel there is initial mainline support for Intel GVT-G (Graphics Virtualization Technology) while it will become more usable in future updates.

Gerd Hoffmann of Red Hat has commented on the current upstream state of GVT-G. With Linux 4.10, there is virtual GPU support via Intel's Graphics Virtualization Technology for Broadwell hardware and newer and it will work without any extra QEMU patches. However, currently it's limited to headless operation, so you won't get any native display support so just useful if you want to do compute with say Beignet or using x11vnc for remote display access.

The display support for GVT still requires more changes to the Linux kernel that didn't make it for the 4.10 cycle. There will also be some QEMU patches needed too for the virtual display support.

Those are for host requirements while Linux guests will need at least the Linux 4.8 kernel, but there may be some kernel releases not yet quite compatible.

This state of GVT was shared this weekend on igvt-g. Those wishing to learn more about the Intel Graphics Virtualization Tech can visit the project site at 01.org.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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