On 25.02.2026 00:12, Ariadne Conill wrote: > From: Steven Noonan <[email protected]> > > With vPCI, you shouldn't need to use xen-pciback for the device, so the > memory access permissions need to be defined somewhere. This allows vPCI > to automatically define the access permissions so that the domU can map > the BARs via IOMMU.
What if XSM had something to say about this? IOW no, I don't think this is permissible. xen-pciback needed or not, that's not where permissions are granted. It's still the toolstack which needs to do that. Also you're never undoing the granting of the extra permissions. Jan
