On Tue, Jan 31, 2023 at 09:53:03PM +0100, Eric Auger wrote: > From: Yi Liu <yi.l.liu@xxxxxxxxx> > > Add the iommufd backend. The IOMMUFD container class is implemented > based on the new /dev/iommu user API. This backend obviously depends > on CONFIG_IOMMUFD. > > So far, the iommufd backend doesn't support live migration and > cache coherency yet due to missing support in the host kernel meaning > that only a subset of the container class callbacks is implemented. What is missing for cache coherency? I spent lots of time on that already, I thought I got everything.. Jason
