On 02/05/2018 09:34, Vitaly Kuznetsov wrote: > 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! >
Queued, thanks. Paolo
