Vitaly Kuznetsov <vkuzn...@redhat.com> writes: > Changes since v4: > - Rebase on top of Roman's patches. > - Drop PATCH2 as it is no longer needed (after adding explicit > hv_frequencies). > > Previously, Ladi was working on enabling TSC page clocksource for nested > Hyper-V-on-KVM workloads. He found out that if Hyper-V frequency MSRs are > exposed to L1 as well as INVTSC flag Hyper-V enables TSC page clocksource > to its guests. Qemu doesn't pass INVTSC by default as it is a migration > blocker. > > I found out there's a different way to make Hyper-V like us: expose > Reenlightenment MSRs to it. KVM doesn't fully support the feature as > we're still unable to migrate nested environments but rudimentary support > we have there is enough. > > Enable Hyper-V reenlightenment MSRs to make things work. >
Gentle ping :-) With Roman's Reviewed-by:, is there anything else needed from me to get this accepted? Thanks! -- Vitaly