Re: [patch 00/11] x86/vdso: Cleanups, simmplifications and CLOCK_TAI support

[Paolo Bonzini]

On 04/10/2018 09:54, Vitaly Kuznetsov wrote:
> - Check if pure TSC can be used on SkyLake+ systems (where TSC scaling
> is supported).

Not if you want to migrate to pre-Skylake systems.

> - Check if non-masterclock mode is still needed. E.g. HyperV's TSC page
> clocksource is a single page for the whole VM, not a per-cpu thing. Can
> we think that all the buggy hardware is already gone?

No. :(  We still get reports whenever we break 2007-2008 hardware.

Paolo