linux-kernel - Re: [PATCH] x86/cpu: Resort and comment Intel models

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Message-ID: <20210315162338.GF20497@zn.tnic>
Date:   Mon, 15 Mar 2021 17:23:38 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, tony.luck@...el.com,
        "Liang, Kan" <kan.liang@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86/cpu: Resort and comment Intel models

On Mon, Mar 15, 2021 at 05:12:53PM +0100, Peter Zijlstra wrote:
> 
> The INTEL_FAM6 list has become a mess again. Try and bring some sanity
> back into it.
> 
> Where previously we had one microarch per year and a number of SKUs
> within that, this no longer seems to be the case. We now get dfferent

"different"

> uarch names that share a 'core' design.

Soon it'll be all an unrecognizable mess with IP blocks tetris. :-)

> Add the core name starting at skylake and reorder to keep the cores in
> chronological order. Furthermore, Intel marketed the names {Amber,
> Coffee, Whiskey} Lake, but those are in fact steppings of Kaby Lake, add
> comments for them.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> ---
> Note: we don't seem to have CANNONLAKE perf support.
> 
>  arch/x86/include/asm/intel-family.h | 50 +++++++++++++++++++++----------------
>  1 file changed, 28 insertions(+), 22 deletions(-)

Anything that helps clear more of this names confusion:

Acked-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette