Re: [PATCH v12 09/11] x86/tsc: prepare for early sched_clock

[Thomas Gleixner]

On Fri, 29 Jun 2018, Pavel Tatashin wrote:
> On 18-06-29 09:30:10, Thomas Gleixner wrote:
> For now, in my series, I would like check in tsc_early_init() if we are
> running xen, and set tsc_khz to 0 if so. Later in tsc_init() we will get
> a proper calibration. The question is how to make this check least
> intrusive.

By not having it at all. Talk to the XEN folks (IIRC there are a few
coworkers of you involved with XEN).

Thanks,

	tglx