linux-kernel - Re: [PATCH v2 2/3] x86/cpu: Add new Intel Atom CPU model name

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Date:   Tue, 20 Aug 2019 14:20:49 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     "Shevchenko, Andriy" <andriy.shevchenko@...el.com>
CC:     Peter Zijlstra <peterz@...radead.org>,
        Rahul Tanwar <rahul.tanwar@...ux.intel.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>, "hpa@...or.com" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "alan@...ux.intel.com" <alan@...ux.intel.com>,
        "ricardo.neri-calderon@...ux.intel.com" 
        <ricardo.neri-calderon@...ux.intel.com>,
        "Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Wu, Qiming" <qi-ming.wu@...el.com>,
        "Kim, Cheol Yong" <cheol.yong.kim@...el.com>,
        "Tanwar, Rahul" <rahul.tanwar@...el.com>
Subject: Re: [PATCH v2 2/3] x86/cpu: Add new Intel Atom CPU model name


> Author: Peter Zijlstra <peterz@...radead.org>
> Date:   Tue Aug 7 10:17:27 2018 -0700
> 
>    x86/cpu: Sanitize FAM6_ATOM naming
> 
> 
> What 2 or 3 or other number means?

In this case I want it to mean “This is an Airmont derived core. Mostly like original Airmont, so you might see some places where we have the same model specific actions. But enough different that it has a new model ID so places where it is different can do something else”.

-Tony