linux-kernel - Re: 2.6.23-rc8-mm1 -- powerpc link failure

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Message-ID: <Pine.LNX.4.64.0709251715530.7567@jikos.suse.cz>
Date:	Tue, 25 Sep 2007 17:23:02 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Andy Whitcroft <apw@...dowen.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Franck Bui-Huu <vagabon.xyz@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc8-mm1 -- powerpc link failure

On Tue, 25 Sep 2007, Andy Whitcroft wrote:

> As suggested elsewhere I have had a go at tracking this down.  Previous 
> problems of this kind were introduced as a result of using 'weak' 
> declarations to provide default implementations.  This investigation led 
> me to the following commit:
>   commit c60473b5d32ea6cf4561232bc852bacd3a513528
>   Author: Jiri Kosina <jkosina@...e.cz>
>   Date:   Sat Sep 15 01:49:49 2007 +0000
>     i386-and-x86_64-randomize-brk
> Backing this change out seems to get us past this problem.  If we are to 
> support compilers of this age, and I believe we currently do, then we 
> probabally need to avoid the weak declarations and use the Kconfig 
> system to provide the alternatives here.
> Jiri?

Hi,

actually, my first patch wasn't using weak symbols, but I have been 
convinced that it's the way to go(tm). Please see 
http://lkml.org/lkml/2007/9/1/131 and the ongoing thread.

I am fine with replacing the brk randomization patch with the one that 
wasn't using weak symbols (posted in the mentioned thread too), I have no 
strong opinion either way.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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