linux-kernel - Re: [patch V4 00/41] x86/cpu: Rework the topology evaluation

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Message-ID: <20230814143618.GM776869@hirez.programming.kicks-ass.net>
Date:   Mon, 14 Aug 2023 16:36:18 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Tom Lendacky <thomas.lendacky@....com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Huang Rui <ray.huang@....com>, Juergen Gross <jgross@...e.com>,
        Dimitri Sivanich <dimitri.sivanich@....com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Pu Wen <puwen@...on.cn>,
        Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Subject: Re: [patch V4 00/41] x86/cpu: Rework the topology evaluation

On Mon, Aug 14, 2023 at 10:53:33AM +0200, Thomas Gleixner wrote:
> Hi!
> 
> This is the follow up to V3:
> 
>   https://lore.kernel.org/lkml/20230802101635.459108805@linutronix.de
> 
> which addresses the review feedback.
> 
> TLDR:
> 
> This reworks the way how topology information is evaluated via CPUID
> in preparation for a larger topology management overhaul to address
> shortcomings of the current code vs. hybrid systems and systems which make
> use of the extended topology domains in leaf 0x1f. Aside of that it's an
> overdue spring cleaning to get rid of accumulated layers of duct tape and
> haywire.
> 

Given how often you had me reboot the adl thing ;-)

Tested-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>