linux-kernel - Re: Unbalanced stack usage in arch/i386/math-emu/wm

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Message-ID: <p73odhbiguz.fsf@bingen.suse.de>
Date:	13 Aug 2007 17:39:16 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Keith Owens <kaos@....com.au>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Unbalanced stack usage in arch/i386/math-emu/wm_sqrt.S

Keith Owens <kaos@....com.au> writes:

> Originally sent to the maintainer of the i386 math-emu code
> (billm@...urbia.net) but that mail was bounced[1].  Is anybody
> maintaining the math-emu code and do we even care about it anymore?

I can take a patch, but I would prefer if it was tested
e.g. by force disabling the FPU and then running a program
to trigger that exception. If there is no test it
might be safer to keep the bug around than to run
untested code.

-Andi
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