On Mon, Oct 16, 2023 at 08:58:42PM +0800, Baolu Lu wrote: > On 2023/10/16 19:42, Jason Gunthorpe wrote: > > On Mon, Oct 16, 2023 at 11:57:34AM +0100, Joao Martins wrote: > > > > > True. But to be honest, I thought we weren't quite there yet in PASID support > > > from IOMMUFD perspective; hence why I didn't aim at it. Or do I have the wrong > > > impression? From the code below, it clearly looks the driver does. > > I think we should plan that this series will go before the PASID > > series > > I know that PASID support in IOMMUFD is not yet available, but the VT-d > driver already supports attaching a domain to a PASID, as required by > the idxd driver for kernel DMA with PASID. Therefore, from the driver's > perspective, dirty tracking should also be enabled for PASIDs. As long as the driver refuses to attach a dirty track enabled domain to PASID it would be fine for now. Jason
