Linux kernel bug fix: iommu/vt-d: Don't read VCCAP register unless it exists
Subsystem: iommu (drivers/iommu/intel/iommu.c)
Bug type: unknown, severity: unknown
Files changed: drivers/iommu/intel/dmar.c;drivers/iommu/intel/iommu.c
Introduced by Jacob Pan on 2020-05-18 15:37:25 +0200; fixed by David Woodhouse on 2020-11-26 14:50:24 +0000 (lifetime: 191 days)