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Yi Liu authored
After making the no-DMA drivers (samples/vfio-mdev) providing iommufd callbacks, __vfio_register_dev() should check the presence of the iommufd callbacks if CONFIG_IOMMUFD is enabled. Link: https://lore.kernel.org/r/20230327093351.44505-7-yi.l.liu@intel.comReviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Tested-by: Terrence Xu <terrence.xu@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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