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

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Date:	Thu, 27 Sep 2007 10:13:42 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Andy Whitcroft <apw@...dowen.org>,
	Franck Bui-Huu <vagabon.xyz@...il.com>,
	linux-kernel@...r.kernel.org,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Subject: Re: 2.6.23-rc8-mm1 -- powerpc link failure

On Thu, 27 Sep 2007 14:13:21 +0200 (CEST) Jiri Kosina <jkosina@...e.cz> wrote:

> On Thu, 27 Sep 2007, Andy Whitcroft wrote:
> 
> > Ok, this problem seems to still persist in 2.6.23-rc8-mm2.  It seems we 
> > have three options from here:
> > 1) update the compiler support list to exclude these compilers, or
> > 2) back this change out, or
> > 3) switch to the version not using __weak.
> > The latter seems to be the least intrusive change.  As no-one closer to 
> > the problem is stepping up to make the decision I will propose we go 
> > with the third option here.
> 
> Andrew,
> 
> if you agree with Andy that we should support compilers that don't work 
> with __weak, please drop i386-and-x86_64-randomize-brk.patch and replace 
> it with the one below instead (this has been already posted at 
> http://lkml.org/lkml/2007/8/31/113). Thanks.
> 

We have quite a few instances of __weak in there.  What is special about
this one?

> 
> From: Jiri Kosina <jkosina@...e.cz>
> 
> i386 and x86_64: randomize brk()

That's a better patch anyway.  We often use __weak because people
can't be bothered doing all that editing.
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