On Thu, Oct 03, 2019 at 05:52:00PM +0200, Andrea Parri wrote: > If the hardware supports TSC scaling, Hyper-V will set bit 15 of the > HV_PARTITION_PRIVILEGE_MASK in guest VMs with a compatible Hyper-V > configuration version. Bit 15 corresponds to the > AccessTscInvariantControls privilege. If this privilege bit is set, > guests can access the HvSyntheticInvariantTscControl MSR: guests can > set bit 0 of this synthetic MSR to enable the InvariantTSC feature. > After setting the synthetic MSR, CPUID will enumerate support for > InvariantTSC. > > Signed-off-by: Andrea Parri <parri.andrea@xxxxxxxxx> Subject should have been "[PATCH] ...", i.e., there is no 2/2 planned (not for this patchset at least). Please let me know if I should re- submit with the subject fixed. Thanks, Andrea
