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From: Borislav Petkov <>
To: Peter Zijlstra <>
Cc:,, "Liang,
	Kan" <>,
Subject: Re: [PATCH] x86/cpu: Resort and comment Intel models
Date: Mon, 15 Mar 2021 17:23:38 +0100	[thread overview]
Message-ID: <20210315162338.GF20497@zn.tnic> (raw)
In-Reply-To: <>

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


> 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) <>
> ---
> 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 <>


  reply	other threads:[~2021-03-15 16:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15 16:12 Peter Zijlstra
2021-03-15 16:23 ` Borislav Petkov [this message]
2021-04-08 12:30 ` [tip: x86/core] " tip-bot2 for Peter Zijlstra

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