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

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Message-ID: <20190820145735.GW2332@hirez.programming.kicks-ass.net>
Date:   Tue, 20 Aug 2019 16:57:35 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     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>,
        "Shevchenko, Andriy" <andriy.shevchenko@...el.com>,
        "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

On Tue, Aug 20, 2019 at 12:48:05PM +0000, Luck, Tony wrote:
> 
> >> +#define INTEL_FAM6_ATOM_AIRMONT_NP    0x75 /* Lightning Mountain */
> > 
> > What's _NP ?
> 
> Network Processor. But that is too narrow a descriptor. This is going to be used in
> other areas besides networking. 
> 
> I’m contemplating calling it AIRMONT2

What would describe the special sause that warranted a new SOC? If this
thing is marketed as 'Network Processor' then I suppose we can actually
use it, esp. if we're going to see this more, like the MID thing -- that
lived for a while over multiple uarchs.

Note that for the big cores we added the NNPI thing, which was for
Neural Network Processing something.