Hi Jorge and Alex, A description of this patch series could be found here. https://lore.kernel.org/linux-iommu/20200901033422.22249-1-baolu.lu@xxxxxxxxxxxxxxx/ This version adds some changes according to Alex's review comments. - Add comments and naming rule for subdevices. https://lore.kernel.org/linux-iommu/20200910160549.2b176ac5@xxxxxxxxx/ - Continue detaching even no subdevice parent found. https://lore.kernel.org/linux-iommu/20200910160547.0a8b9891@xxxxxxxxx/ - Make subdev_link_device() and subdev_unlink_device() symmetrical. Please help to review and merge. Best regards, baolu Lu Baolu (5): iommu: Add optional subdev in aux_at(de)tach ops iommu: Add iommu_at(de)tach_subdev_group() iommu: Add iommu_aux_get_domain_for_dev() vfio/type1: Use iommu_aux_at(de)tach_group() APIs iommu/vt-d: Add is_aux_domain support drivers/iommu/intel/iommu.c | 139 +++++++++++++++++------- drivers/iommu/iommu.c | 184 ++++++++++++++++++++++++++++++-- drivers/vfio/vfio_iommu_type1.c | 43 ++------ include/linux/intel-iommu.h | 17 +-- include/linux/iommu.h | 46 +++++++- 5 files changed, 336 insertions(+), 93 deletions(-) -- 2.17.1
