> -----Original Message----- > From: Christoph Hellwig <hch@xxxxxx> > Sent: Thursday, August 26, 2021 9:34 PM > > Hi Alex, > > this series cleans up how iommu group are created in VFIO as well as various > other lose ends around that. It sits on top of the > > "Introduce vfio_pci_core subsystem" > > series from Yishai > > Changes since v3: > - restore the attribution to Jason for patch 1, which git-rebase lost > - fix a vfio vs iommu group counting issue that I added over Jasons > original patch > - add comments describing the VFIO_EMULATED_IOMMU and > VFIO_NO_IOMMU > flags > - use the emulated iommu naming consistently in comments > - a spelling fix > > Changes since v2: > - cosmetic changes to the code flow in vfio_group_find_or_alloc > - replace "mediated" with "emulated iommu" > - add a comment describing vfio_register_emulated_iommu_dev > - rebased on top of the "Introduce vfio_pci_core subsystem" series > > Changes since v1: > - only taint if a noiommu group was successfully created > > Diffstat: > drivers/vfio/fsl-mc/vfio_fsl_mc.c | 17 - > drivers/vfio/mdev/mdev_driver.c | 46 ---- > drivers/vfio/mdev/vfio_mdev.c | 2 > drivers/vfio/pci/vfio_pci_core.c | 13 - > drivers/vfio/platform/vfio_platform_common.c | 13 - > drivers/vfio/vfio.c | 306 ++++++++++++--------------- > drivers/vfio/vfio.h | 63 +++++ > drivers/vfio/vfio_iommu_spapr_tce.c | 6 > drivers/vfio/vfio_iommu_type1.c | 255 ++++++---------------- > include/linux/mdev.h | 20 - > include/linux/vfio.h | 53 ---- > samples/vfio-mdev/mbochs.c | 2 > samples/vfio-mdev/mdpy.c | 2 > samples/vfio-mdev/mtty.c | 2 > 14 files changed, 292 insertions(+), 508 deletions(-) We verified the Intel KVMGT feature, no regression be introduced by these patch series. Tested-by: Terrence Xu <terrence.xu@xxxxxxxxx> Thanks Terrence