On Wed Oct 1, 2025 at 7:07 AM JST, John Hubbard wrote: > Post-Kangrejos, the approach for NovaCore + VFIO has changed a bit: the > idea now is that VFIO drivers, for NVIDIA GPUs that are supported by > NovaCore, should bind directly to the GPU's VFs. (An earlier idea was to > let NovaCore bind to the VFs, and then have NovaCore call into the upper > (VFIO) module via Aux Bus, but this turns out to be awkward and is no > longer in favor.) So, in order to support that: > > Nova-core must only bind to Physical Functions (PFs) and regular PCI > devices, not to Virtual Functions (VFs) created through SR-IOV.
Naive question: will guests also see the passed-through VF as a VF? If so, wouldn't this change also prevents guests from using Nova?
