linux-kernel - Re: [-mm patch] ptrace: Fix EFL_OFFSET value according to i386 pda changes (was Re: BUG on 2.6.20-rc1 when using gdb)

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Date:	Wed, 20 Dec 2006 12:37:19 -0800
From:	walt <w41ter@...il.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Frederik Deweerdt <deweerdt@...e.fr>,
	Andrew Morton <akpm@...l.org>,
	"Andrew J. Barr" <andrew.james.barr@...il.com>,
	linux-kernel@...r.kernel.org, Jan Beulich <jbeulich@...ell.com>,
	Andi Kleen <ak@...e.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [-mm patch] ptrace: Fix EFL_OFFSET value according to i386 pda
 changes (was Re: BUG on 2.6.20-rc1 when using gdb)

Jeremy Fitzhardinge wrote:
> Frederik Deweerdt wrote:
>> Same problems here with 2.6.20-rc1-mm1 (ie with the %gs->%fs patch).
>> It seems to me that the problem comes from the EFL_OFFSET no longer
>> beeing accurate.
>> The following patch fixes the problem for me.
>>   
> 
> Thanks Frederik; that's exactly the kind of thing I thought it might
> be.  I wonder if there's some way we can make this more robust
> though...  Does this work for you?  I did a slightly larger cleanup
> which should make it less fragile and more comprehensible.
<patch snipped>

Hi Jeremy,

Your patch works fine for me.  (I didn't try the first patch, but I
will if anyone wants.)  Thanks!
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