Messages in this thread | | | Date | Wed, 28 Mar 2018 22:23:38 +0200 | From | Radim Krčmář <> | Subject | Re: [PATCH v6 0/7] Enlightened VMCS support for KVM on Hyper-V |
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2018-03-26 14:42+0200, Vitaly Kuznetsov: > Vitaly Kuznetsov <vkuznets@redhat.com> writes: > > > Changes since v5: > > - Fix a couple of issues reported by kbuild test robot, both in > > PATCH7 (hope Radim's Reviewed-by: stands). > > > > When running nested KVM on Hyper-V it's possible to use so called > > 'Enlightened VMCS' and do normal memory reads/writes instead of > > doing VMWRITE/VMREAD instructions. In addition, clean field mask > > provides a huge room for optimization on L0's side. > > > > Tight CPUID loop test shows significant speedup (E5-2667 v4 @ 3.20GHz): > > Before: 18890 cycles > > After: 8304 cycles > > > > Paolo, Radim, > > with Thomas' ACK on the series: > https://www.spinics.net/lists/kvm/msg166309.html > > is there anything else needed for it to get merged (hoping for 4.17)?
Not from me; I've queued it, thanks.
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