Messages in this thread | | | Date | Tue, 14 Jun 2022 19:20:34 +0200 | Subject | Re: [PATCH] KVM: nVMX: Don't expose TSC scaling to L1 when on Hyper-V | From | Paolo Bonzini <> |
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On 6/14/22 14:19, Vitaly Kuznetsov wrote: > The latest version: > https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/tlfs/datatypes/hv_vmx_enlightened_vmcs > > has it, actually. It was missing before (compare with e.g. 6.0b version > here: > https://github.com/MicrosoftDocs/Virtualization-Documentation/raw/live/tlfs/Hypervisor%20Top%20Level%20Functional%20Specification%20v6.0b.pdf) > > but AFAIR TSC scaling wasn't advertised by genuine Hyper-V either. > Interestingly enough, eVMCS version didn't change when these fields were > added, it is still '1'. > > I even have a patch in my stash (attached). I didn't send it out because > it wasn't properly tested with different Hyper-V versions. > > -- Vitaly
Anirudh, can you check if Vitaly's patches work for you?
Paolo
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