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Re: Bug#750959: linux-image-3.15-rc8-amd64: Add support for VGA VFIO (CONFIG_VFIO_PCI_VGA)

Control: reassign -1 src:linux

On Lu, 09 iun 14, 02:55:32, fld wrote:
> Source: linux-image-3.15-rc8-amd64
> Severity: wishlist
> Dear Maintainer,
> In the past few years with the increased availability of IOMMU/Vt-d supporting
> hardware, there has been an increase in the popularity of experimenting with
> VGA passtrough to virtual machines via IOMMU. Currently the most bleeding edge
> way of doing this is with the combination of kvm, qemu and vfio. However,
> most graphics cards don't play nice with just the plain vfio and need special
> considerations that need to be enabled in the kernel.
> I propose that we enable these special features called "CONFIG_VFIO_PCI_VGA"
> in the kernel so that people can more easily experiment with these new cool
> features. I asked the leading developer of VFIO VGA support (Alex Williamson)
> if he could think of any reason why not to enable this feature by default, and
> he could not think of any. The option should simply add the capability to use
> the x-vga feature in Qemu.
> Here some basic information about VFIO:
> https://www.kernel.org/doc/Documentation/vfio.txt
> Interesting presentations about VGA Passtroughs with VFIO:
> http://www.linux-kvm.org/wiki/images/b/b4/2012-forum-VFIO.pdf
> http://www.linux-kvm.org/wiki/images/e/ed/Kvm-forum-2013-VFIO-VGA.pdf
> There is also quite a bit of "mainstream" interest about this stuff:
> https://bbs.archlinux.org/viewtopic.php?id=162768
> Thank you.
> -- System Information:
> Debian Release: jessie/sid
>   APT prefers unstable
>   APT policy: (500, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Kernel: Linux 3.15.0-rc7 (SMP w/8 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash

Offtopic discussions among Debian users and developers:

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