On Tue, Jan 31, 2023 at 09:52:47PM +0100, Eric Auger wrote: > Given some iommufd kernel limitations, the iommufd backend is > not yuet fully on par with the legacy backend w.r.t. features like: > - p2p mappings (you will see related error traces) > - coherency tracking You said this was a qemu side limitation? > - live migration The vfio kernel interfaces are deprecated, Avihai's series here adds live migration support: https://lore.kernel.org/qemu-devel/20230126184948.10478-1-avihaih@xxxxxxxxxx/ And there will be another series for iommufd system iommu based live migration > - vfio pci device hot reset What is needed here? Jason
