On 5/17/2023 12:12 PM, Jason Gunthorpe wrote: > On Wed, Dec 07, 2022 at 09:26:33AM -0500, Steven Sistare wrote: >>> This flag should probably be marked reserved. >>> >>> Should we consider this separately for v6.2? >> >> Ideally I would like all kernels to support either the old or new vaddr interface. >> If iommufd + vfio compat does not make 6.2, then I prefer not to delete the old >> interface separately. >> >>> For the remainder, the long term plan is to move to iommufd, so any new >>> feature of type1 would need equivalent support in iommufd. Thanks, >> >> Sure. I will study iommufd and make a proposal. >> >> Will you review these patches as is to give feedback on the approach? >> >> If I show that iommufd and the vfio compat layer can support these interfaces, >> are you open to accepting these in v6.2 if iommufd is still a ways off? I see >> iommufd in qemu-next, but not the compat layer. > > What happened to this? I still haven't seen iommufd support for this? Hi Jason, other work has kept me busy, but it's on my todo list. I will get to it soon. - Steve