On Tue, Jun 14, 2022 at 1:47 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > Service TSS T-flag #DBs prior to pending MTFs, as such #DBs are higher > priority than MTF. KVM itself doesn't emulate TSS #DBs, and any such Is there a KVM erratum for that? > exceptions injected from L1 will be handled by hardware (or morphed to > a fault-like exception if injection fails), but theoretically userspace > could pend a TSS T-flag #DB in conjunction with a pending MTF. > > Note, there's no known use case this fixes, it's purely to be technically > correct with respect to Intel's SDM. A test would be nice. :-)
