On Tue, Oct 12, 2021 at 02:14:44PM -0700, Dan Williams wrote: > Especially in this case where the virtio use case being > opted-in is *already* in a path that has been authorized by the > device-filter policy engine. That's a good point. Andi, how about setting a per-device flag if its ID has been allowed and then making pci_iomap create a shared mapping transparently? -- MST