linux-kernel - Re: [PATCH] x86/tsc: Extend the watchdog check exemption to 4S/8S machine

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Message-ID: <Y0VpG8POb4AL1g33@hirez.programming.kicks-ass.net>
Date:   Tue, 11 Oct 2022 15:01:15 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Feng Tang <feng.tang@...el.com>
Cc:     Dave Hansen <dave.hansen@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, rui.zhang@...el.com,
        tim.c.chen@...el.com, Xiongfeng Wang <wangxiongfeng2@...wei.com>,
        Yu Liao <liaoyu15@...wei.com>
Subject: Re: [PATCH] x86/tsc: Extend the watchdog check exemption to 4S/8S
 machine

On Tue, Oct 11, 2022 at 03:51:21PM +0800, Feng Tang wrote:
> Th simple patch below is to have a dedicate CPU nodemask and set it in
> early SRAT CPU parsing, still it has problem when sub-numa is enabled
> in BIOS where there are more NUMA nodes in SRAT table. (also I'm
> not sure the change to amdtopology.c is right)

No; none of this has anything to do with nodes. This is about sockets.