linux-kernel - Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC

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Message-ID: <87ftg5131x.fsf@nanos.tec.linutronix.de>
Date:   Fri, 24 Jan 2020 12:55:54 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Hans de Goede <hdegoede@...hat.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        vipul kumar <vipulk0511@...il.com>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-kernel@...r.kernel.org, Stable <stable@...r.kernel.org>,
        Srikanth Krishnakar <Srikanth_Krishnakar@...tor.com>,
        Cedric Hombourger <Cedric_Hombourger@...tor.com>,
        x86@...nel.org, Len Brown <len.brown@...el.com>,
        Vipul Kumar <vipul_kumar@...tor.com>
Subject: Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC

Hans,

Hans de Goede <hdegoede@...hat.com> 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