Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC

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Subject: Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Fri, 24 Jan 2020 12:55:54 +0100
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Stable <stable@xxxxxxxxxxxxxxx>, Srikanth Krishnakar <Srikanth_Krishnakar@xxxxxxxxxx>, Cedric Hombourger <Cedric_Hombourger@xxxxxxxxxx>, x86@xxxxxxxxxx, Len Brown <len.brown@xxxxxxxxx>, Vipul Kumar <vipul_kumar@xxxxxxxxxx>
In-reply-to: <c06260e3-bd19-bf3c-89f7-d36bdb9a5b20@redhat.com>

Hans,

Hans de Goede <hdegoede@xxxxxxxxxx> writes:
> On 1/24/20 9:35 AM, Thomas Gleixner wrote:
>> Where does that number come from? Just math?
>
> Yes just math, but perhaps the Intel folks can see if they can find some
> datasheet to back this up ?

Can you observe the issue on one of the machines in your zoo as well?

Thanks,

        tglx

Follow-Ups:
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Hans de Goede
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Hans de Goede

References:
- [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Vipul Kumar
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Thomas Gleixner
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Thomas Gleixner
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Andy Shevchenko
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Hans de Goede
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Thomas Gleixner
- Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC
  - From: Hans de Goede

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