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Date:   Tue, 3 Jul 2018 22:59:31 +0200 (CEST)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Pavel Tatashin <pasha.tatashin@oracle.com>
cc:     Steven Sistare <steven.sistare@oracle.com>,
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Subject: Re: [PATCH v12 09/11] x86/tsc: prepare for early sched_clock
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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