linux-kernel - Re: [PATCH] x86: fix crash on cpu hotplug on pat-incapable machines

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Message-ID: <20080516111434.GA2065@elte.hu>
Date:	Fri, 16 May 2008 13:14:34 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Avi Kivity <avi@...ranet.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86: fix crash on cpu hotplug on pat-incapable machines


* Avi Kivity <avi@...ranet.com> wrote:

> pat_disable() is __init, which means it goes away after booting is 
> complete. Unfortunately it is used by the hotplug code if the machine 
> is not pat-capable, causing a crash.
> 
> Fix by marking pat_disable() as __cpuinit.

applied, thanks Avi.

	Ingo
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