linux-kernel - Re: [PATCH 3/3] x86/tsc_msr: Make MSR derived TSC frequency more accurate

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Message-ID: <CAHp75VftbK+7uzBCQ6F5FFgJ4qq0f9pB1Qo7m0LwbBROYsrrYw@mail.gmail.com>
Date:   Thu, 30 Jan 2020 18:52:41 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     David Laight <David.Laight@...lab.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Vipul Kumar <vipulk0511@...il.com>,
        Vipul Kumar <vipul_kumar@...tor.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Srikanth Krishnakar <Srikanth_Krishnakar@...tor.com>,
        Cedric Hombourger <Cedric_Hombourger@...tor.com>,
        Len Brown <len.brown@...el.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH 3/3] x86/tsc_msr: Make MSR derived TSC frequency more accurate

On Thu, Jan 30, 2020 at 6:04 PM Hans de Goede <hdegoede@...hat.com> wrote:
> On 30-01-2020 17:02, David Laight wrote:

> I have no idea. Andy if you can find any docs on the MSR_FSB_FREQ values
> for Merriefield (BYT MID) and Moorefield (CHT MID) that would be great,
> if not I suggest we stick with what we have.

First of all, Merrifield (Silvermont based Atom for phones, FYI: Intel
Edison uses it) and Moorefield (Airmont) have nothing to do with code
names Baytrail and Cherrytrail respectively.
So, please don't confuse people.

I'll try to find some information.

-- 
With Best Regards,
Andy Shevchenko