| From | Jim Mattson <> | Date | Wed, 6 Jul 2022 16:51:50 -0700 | Subject | Re: [PATCH v2 05/21] KVM: nVMX: Prioritize TSS T-flag #DBs over Monitor Trap Flag |
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On Tue, Jun 14, 2022 at 1:47 PM Sean Christopherson <seanjc@google.com> 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. :-)
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