Public bug reported:
This is upstream patch series @ https://lore.kernel.org/linux-
iommu/[email protected]/T/#md9c8391f0a0f7c639516717d4863aeed625e9cd2
The series patches have extensive descriptions as to the problem and
solution, but in short the ACS flags are not analyzed according to the
spec to form the iommu_groups that VFIO is expecting for security.
** Affects: linux-nvidia (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2116967
Title:
Fix incorrect iommu_groups with PCIe ACS
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