linux-kernel - cfq bug still not fixed on x86

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Message-ID: <4F286529.1060407@gmail.com>
Date:	Tue, 31 Jan 2012 14:03:21 -0800
From:	walt <w41ter@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>
Subject: cfq bug still not fixed on x86

Hi guys.  Linus recently commited this bugfix from Jens:

commit 54b466e44b1c7809144bbd8cd6be3f85877ca46f
Author: Jens Axboe
Date:   Tue Jan 17 21:26:11 2012 +0100

    cfq-iosched: fix use-after-free of cfqq

That fixed the problem on my amd64x2 machine, but my old UP x86 amd
machine is still producing the same backtrace when udevd segfaults
during bootup.

I'm wondering if the patch neglects some 32-bit or non-SMP code?

Thanks for all your hard work on open-source :)

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