linux-kernel - Re: fix BUG: using smp_processor_id() in preemptible code (resend)

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Message-ID: <4C6DA620.7060009@zytor.com>
Date:	Thu, 19 Aug 2010 14:46:08 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Roedel, Joerg" <Joerg.Roedel@....com>
CC:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: fix BUG: using smp_processor_id() in preemptible code (resend)

On 08/19/2010 10:03 AM, Roedel, Joerg wrote:
> 
> The notifier is preemtible so it can run on another CPU. So using the
> supplied cpu arguemnt in the path looks like the right solution to me.
> 

Sounds good -- Sergey, can you send a patch under cleaned up cover
(meaning just the one patch, with a description of why the change is the
right one)?

	-hpa

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