linux-kernel - Re: [PATCH] MAINTAINERS, x86/CPU: Tony Luck will maintain asm/intel-family.h

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Message-ID: <20190820153048.GX2332@hirez.programming.kicks-ass.net>
Date:   Tue, 20 Aug 2019 17:30:48 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     "Luck, Tony" <tony.luck@...el.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...el.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MAINTAINERS, x86/CPU: Tony Luck will maintain
 asm/intel-family.h

On Thu, Aug 15, 2019 at 10:22:07PM +0200, Thomas Gleixner wrote:
> On Thu, 15 Aug 2019, Luck, Tony wrote:
> > On Thu, Aug 15, 2019 at 07:54:55PM +0200, Borislav Petkov wrote:
> > @@ -11,6 +11,21 @@
> >   * While adding a new CPUID for a new microarchitecture, add a new
> >   * group to keep logically sorted out in chronological order. Within
> >   * that group keep the CPUID for the variants sorted by model number.
> > + *
> > + * HOWTO Build an INTEL_FAM6_ definition:
> > + * 
> > + * 1. Start with INTEL_FAM6_
> > + * 2. If not Core-family, add a note about it, like "ATOM".  There are only
> > + *    two options for this (Xeon Phi and Atom).  It is exceedingly unlikely
> > + *    that you are adding a cpu which needs a new option here.
> > + * 3. Add the processor microarchitecture, not the platform name
> > + * 4. Add a short differentiator if necessary.  Add an _X to differentiate
> > + *    Server from Client.
> 
> We have the following existing _SHORT variants:

> _PLUS

That one isn't actually a _SHORT, the uarch is called 'Goldmont Plus'.