1. 5b26547 perf/x86: Move perf_event_amd_iommu.[ch] .. => x86/events/amd/iommu.[ch] by Borislav Petkov · 9 years ago[Renamed from arch/x86/kernel/cpu/perf_event_amd_iommu.h]
  2. 7be6296 perf/x86/amd: AMD IOMMU Performance Counter PERF uncore PMU implementation by Suravee Suthikulpanit · 12 years ago