[pve-devel] applied: [PATCH pve-kernel/master 0/2] fix two small issues with IOMMU in certain setups

Thomas Lamprecht t.lamprecht at proxmox.com
Wed Nov 27 20:24:44 CET 2024


Am 26.11.24 um 17:36 schrieb Stoiko Ivanov:
> stubled across https://bugzilla.proxmox.com/show_bug.cgi?id=5926 which
> mentioned kernel-issues related to the 8.3.0 release - so took a quick look.
> 
> While I think that the issues were not directly related to 8.3 (or the
> kernel version shipped with it (see bugzilla)) - one issue seemed to
> be easily addressable with a cherry-pick from kernel.org stable-6.11.7
> (patch 1/2)
> 
> the second patch addresses an unrleated issue reported in our forums:
> https://forum.proxmox.com/threads/.157266
> see the commit-message of the patch for a bit more information - but it
> basically reverts a patch from Ubuntu-upstream, as this broke iGPU
> passthrough for old Intel-CPUs (without the patch users affected by the
> issue reported to Ubuntu had the options of disabling iommu via
> kernel-cmdline anyways).
> 
> I'd suggest pulling patch 2/2 also for our kernel 6.8.


done

> Stoiko Ivanov (2):
>   fix #5926: cherry-pick ACS-quirk fix from linux-stable/6.11.7
>   revert Ubuntu patch disabling IOMMU functionality for Skylake iGPU
> 
>  ...nable_acs-support-for-the-ACS-quirks.patch | 68 +++++++++++++++++++
>  ...UCE-iommu-intel-disable-DMAR-for-SKL.patch | 53 +++++++++++++++
>  2 files changed, 121 insertions(+)
>  create mode 100644 patches/kernel/0016-PCI-Fix-pci_enable_acs-support-for-the-ACS-quirks.patch
>  create mode 100644 patches/kernel/0017-Revert-UBUNTU-SAUCE-iommu-intel-disable-DMAR-for-SKL.patch
> 


applied series, thanks!




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