Re: [PATCH v2 1/3] KVM: x86: implement KVM_{GET|SET}_TSC_STATE

On Mon, Dec 07, 2020 at 05:38:36PM +0100, Thomas Gleixner wrote:

For anything halfways modern the write to TSC is reflected in TSC_ADJUST which means you get the precise offset.

IIRC this is true for everything that has TSC_ADJUST.