On Mon, Mar 10, 2025 at 11:54:52AM +0000, Marc Zyngier wrote: > Which brings me to the next point: FWB is not discoverable from > userspace. How do you expect a VMM to know what it can or cannot do? If you add a check at memslot creation time then simply fail the memslot. There is nothing the VMM can do except completely fail. There is no alternative path here where a cachable VMA can be safely made non-cachable for the guest? Jason
