linux-kernel - Re: [patch] i386-PDA, lockdep: fix %gs restore

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Message-ID: <4505D45C.9090807@goop.org>
Date:	Mon, 11 Sep 2006 14:25:48 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...l.org>,
	Andi Kleen <ak@...e.de>,
	Laurent Riffard <laurent.riffard@...e.fr>,
	Arjan van de Ven <arjan@...radead.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy@...source.com>
Subject: Re: [patch] i386-PDA, lockdep: fix %gs restore

Jeremy Fitzhardinge wrote:
> Ingo Molnar wrote:
>> Subject: [patch] i386-PDA, lockdep: fix %gs restore
>> From: Ingo Molnar <mingo@...e.hu>
>>
>> in the syscall exit path the %gs selector has to be restored _after_ the
>> last kernel function has been called. If lockdep is enabled then this
>> kernel function is TRACE_IRQS_ON.
>>
>> Signed-off-by: Ingo Molnar <mingo@...e.hu>
>>   
> Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>

Actually, this patch is wrong.  I'll post a fix shortly.

    J
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