On Tue, Nov 17, 2020 at 10:37:18AM -0600, Tom Lendacky wrote: > > Ideally it won't, but trapping through QEMU is a common debugging > > technique and required if we implement virtualization quirks for a > > device in QEMU. So I believe what you're saying is that device > > assignment on SEV probably works only when we're using direct mapping > > of the mmap into the VM and tracing or quirks would currently see > > encrypted data. Has anyone had the opportunity to check that we don't > > break device assignment to VMs with this patch? Thanks, > > I have not been able to test device assignment with this patch, yet. Jason? I don't have SME systems, we have a customer that reported RDMA didn't work and confirmed the similar RDMA patch worked. I know VFIO is basically identical, so it should be applicable here too. Jasnon