linux-kernel - Re: [patch 2/4] x86/topology: Dont evaluate logical IDs during early boot

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Message-ID: <3e8c08e0-dbfe-42b8-9668-bdcaac9eef4f@roeck-us.net>
Date: Fri, 22 Mar 2024 14:41:16 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [patch 2/4] x86/topology: Dont evaluate logical IDs during early
 boot

On Fri, Mar 22, 2024 at 07:56:36PM +0100, Thomas Gleixner wrote:
> The local APICs have not yet been enumerated so the logical ID evaluation
> from the topology bitmaps does not work and would return an error code.
> 
> Skip the evaluation during the early boot CPUID evaluation and only apply
> it on the final run.
> 
> Fixes: 380414be78bf ("x86/cpu/topology: Use topology logical mapping mechanism")
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Tested-by: Guenter Roeck <linux@...ck-us.net>

Guenter