linux-kernel - Re: [PATCH] disable non-boot CPUs before poweroff

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Message-Id: <1190991750.18681.39.camel@chaos>
Date:	Fri, 28 Sep 2007 17:02:30 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Mark Lord <lkml@....ca>, Len Brown <lenb@...nel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	simon.derr@...l.net
Subject: Re: [PATCH] disable non-boot CPUs before poweroff

On Fri, 2007-09-28 at 17:05 +0200, Rafael J. Wysocki wrote:
> >  	if (pm_power_off_prepare)
> >  		pm_power_off_prepare();
> >  	sysdev_shutdown();
> > +	disable_nonboot_cpus();
> 
> Before sysdev_shutdown(), please.
> 
> sysdev_shutdown() may touch things that belong to CPU0.

Damn, you're right. Missed that.

	tglx




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