On Fri, Jan 24, 2025 at 12:59:50PM -0800, Sean Christopherson wrote: > As a stopgap, rather than carry this CoCo hack, what if we add a synthetic feature > flag that says it's ok to modify MTRRs without disabling caching? I think that'll > make TDX happy, and should avoid a long game of whack-a-mole. Then longterm, > figure out a clean way to eliminate accessing the "real" MTRRs entirely. That's kina make sense to me. But I obviously didn't understand scale of the mess around MTRRs and can only hope it will not break anything else. :/ -- Kiryl Shutsemau / Kirill A. Shutemov