RE: [PATCH v2] x86/acrn: Set X86_FEATURE_TSC_KNOWN_FREQ

[Li, Fei1]

> Hi Borislav
>
> Thanks for your comments. So sorry to reply you late.
>
> >
> > What if the HV has unstable TSCs? How do you handle that?
> >
> ACRN hypervisor assumes:
> a) The TSC runs at a constant rate in all ACPI P-, C-. and T-states (i.e. invariant TSC)
> b) The invariant TSC is based on only one invariant timekeeping hardware (called
>    Always Running Timer or ART). ACRN main target uses for IoT devices
>    which are typically one-socket
> c) ACRN lives with temperature influence on TSC frequency
>
Hi Borislav

Kindly ping for any comments here ?