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 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
