Linux kernel bug fix: iommupt/vtd: Support mgaw's less than a 4 level walk for first stage
Subsystem: iommu (drivers/iommu/generic_pt/fmt/x86_64.h)
Bug type: unknown, severity: unknown
Files changed: drivers/iommu/amd/iommu.c;drivers/iommu/generic_pt/fmt/x86_64.h;drivers/iommu/intel/iommu.c;include/linux/generic_pt/iommu.h
Introduced by Lu Baolu on 2025-11-20 11:35:15 +0100; fixed by Jason Gunthorpe on 2025-11-28 08:43:55 +0100 (lifetime: 7 days)