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Package Details: linux-vfio-headers 6.12.5-1

Package Actions

Git Clone URL:	https://aur.archlinux.org/linux-vfio.git (read-only, click to copy)
Package Base:	linux-vfio
Description:	Headers and scripts for building modules for the Linux kernel (ACS override and i915 VGA arbiter patches)
Upstream URL:	https://www.kernel.org
Keywords:	acs arbiter assignment gpu i915 kvm override passthrough pci qemu vfio vga
Licenses:	GPL-2.0-or-later
Submitter:	zman0900
Maintainer:	xiota
Last Packager:	xiota
Votes:	73
Popularity:	0.000157
First Submitted:	2015-01-30 06:41 (UTC)
Last Updated:	2024-12-18 23:01 (UTC)

Dependencies (15)

pahole (pahole-git^AUR)
bc (bc-gh^AUR) (make)
cpio (cpio-git^AUR) (make)
gettext (gettext-git^AUR) (make)
graphviz (make)
imagemagick (imagemagick-git^AUR, imagemagick-full-git^AUR, imagemagick-full^AUR) (make)
libelf (elfutils-git^AUR) (make)
pahole (pahole-git^AUR) (make)
perl (perl-git^AUR) (make)
python (python37^AUR, python311^AUR, python310^AUR) (make)
python-sphinx (python-sphinx-git^AUR) (make)
python-yaml (python-yaml-git^AUR) (make)
tar (tar-git^AUR, busybox-coreutils^AUR) (make)
texlive-latexextra (texlive-installer^AUR, texlive-full^AUR, texlive-dummy^AUR) (make)
xz (xz-git^AUR) (make)

Required by (0)

Sources (7)

Pinned Comments

xiota commented on 2024-01-09 18:43 (UTC) (edited on 2024-01-11 16:53 (UTC) by xiota)

Leaving eclairvoyant's comment pinned because it contains some useful information.
Patch policy is different, but similar.
- Primary purpose of this package are the ACS override and i915 VGA arbiter patches.
- Upstream Arch patches will be applied to maintain parity with the standard kernel.
- No other patches will be added.
Package does have options that can be changed, like building with clang or disabling Arch patches.
- Defaults will match Arch packages, except when incompatible with this package's primary patches.
- Options are subject to change. Read PKGBUILD for details.
Avoid commenting and flagging at the same time for the same issue.
- Flag for common issues with standard solutions, like new releases, key changes, etc.
- Comment for issues requiring explanation or debugging.
  - Use a pastebin for blocks of text more than a few lines.

eclairevoyant commented on 2023-04-06 21:24 (UTC) (edited on 2023-04-06 21:31 (UTC) by eclairevoyant)

This package exists for the specific purpose of adding ported patches based on those originally created by Alex Williamson for:

Bypassing the default IOMMU grouping by overriding PCIe ACS support, and
Enabling VGA arbitration support on Intel iGPUs.

Arbitrary patches will not be added.

Refer to the wiki on PCI passthrough and this blog post on IOMMU groups for risks/caveats before using this package.

Regular AUR etiquette applies as well (knowledge of makepkg and searching the wiki/Arch forums is expected, and AUR helpers or Arch-based distros that are not Arch Linux are unsupported).

Latest Comments

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daniel_shub commented on 2020-05-01 14:33 (UTC)

@markzz first, let me start by saying thanks to you and slowbro for maintaining this package. Second, I think your decision to not deviate from the Arch Kernel except for the patches needed for VFIO/GPU pass through is the correct decision. The fact that the diff between this package and the linux package is so clean gave me a lot of confidence to install a custom kernel.

Finally, you may want to pin your message that says that the package will not deviate and if you want extra things to modify the PKGBUILD yourself.

markzz commented on 2020-05-01 07:00 (UTC)

lazerl0rd: As stated before further down the comments, no.

lazerl0rd commented on 2020-05-01 06:28 (UTC) (edited on 2020-05-01 06:29 (UTC) by lazerl0rd)

Could the following two patches be added:

https://clbin.com/OaR0H (for AMD Zen2)

https://github.com/ZestProjects/linux/commit/ac7e184bddfb559c29e9b97de11a0f496aad696e (for HP ProLiant Gen8 servers)

meshedpotato commented on 2020-04-27 16:25 (UTC)

Thanks @slowbro, you set me off the in the right direction - very very thanks ;) - my VMs are booting in 25 seconds now compared to 4 mins of total boot time prior to this flag.

markzz commented on 2020-04-26 23:37 (UTC)

I also do not consider grabbing patches from reddit as a good idea either. I would prefer that patch suggestions of any kind should also be accompanied by a Linux Kernel mail list thread OR an Arch Linux Flyspray link so there's discussion from those ends as well. Also, as a reminder, do not open Flyspray reports for upstream bugs.

NovaMoon commented on 2020-04-26 23:14 (UTC)

https://www.reddit.com/r/VFIO/comments/eba5mh/workaround_patch_for_passing_through_usb_and/ There is A bit more discussion around it but I understand. Its not needed to get passthrough working

markzz commented on 2020-04-26 21:18 (UTC)

I usually take a hard line stance of not adding any patches except those introduced by the linux package. The goal of this patch-set is not to be an all encompassing kernel for various VM related issues, but instead is just what is needed to do VFIO and GPU passthrough.

As I've said before, there's nothing stopping you from making changes to the PKGBUILD for your own build of the kernel with whatever patches you want.

slowbro commented on 2020-04-26 21:13 (UTC)

@NovaMoon do you have any links to more discussion/reports around that issue (vs just a link to a patch)?

NovaMoon commented on 2020-04-26 20:57 (UTC)

Hello Is it possible to add another patch to the kernel? this is describing the patch.

Zen2 CPU users experiencing FLR timeout errors in dmesg when passing the USB or Audio controllers can use this patch to bypass the issue. Typically the host will also crash shortly after. This issue affects all AM4 300/400/500 series boards when fitted with new Zen2 CPUs. The workaround is to disable FLR reset until AMD fixes it on their end via AGESA/BIOS update. Kernel patch: https://clbin.com/OaR0H

markzz commented on 2020-04-24 13:57 (UTC)

beetlejuice: This package will not deviate from the ARCH kernel's config. If you want to change the options when you go to build, you are free to do so.

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