On Wed, Nov 08, 2023, Nicolas Saenz Julienne wrote: > With the upcoming introduction of per-VTL memory protections, make MMU > roles VTL aware. This will avoid sharing PTEs between vCPUs that belong > to different VTLs, and that have distinct memory access restrictions. > > Four bits are allocated to store the VTL number in the MMU role, since > the TLFS states there is a maximum of 16 levels. How many does KVM actually allow/support? Multiplying the number of possible roots by 16x is a *major* change.
