linux-kernel - Re: [PATCH] x86: move init_cpu_to_node after get_smp

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Message-ID: <20080703135432.GB7603@elte.hu>
Date:	Thu, 3 Jul 2008 15:54:32 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: move init_cpu_to_node after get_smp_config


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> when acpi=off, cpu_to_apicid is ready after get_smp_config so need to 
> move init_cpu_to_node after it.
> 
> otherwise, we will get wrong cpu->node mapping. and it will rely on 
> amd_detect_cmp to correct it. but that is too late. setup_per_cpu_data 
> is already called before that. we will get per_cpu_data on wrong node.

applied to tip/x86/unify-setup - thanks Yinghai,

        Ingo

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