linux-kernel - Re: [PATCH] Disable modpost warnings for linkonce sections

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Date:	Sun, 11 May 2008 12:09:00 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] Disable modpost warnings for linkonce sections

Sam Ravnborg wrote:
> On Thu, May 08, 2008 at 01:41:11PM +0200, Andi Kleen wrote:
>> Disable modpost warnings for linkonce sections
>>
>> My build gives lots of warnings like
>>
>> WARNING: sound/core/snd.o (.gnu.linkonce.wi.mpspec_def.h.30779716): unexpected section name.
>> The (.[number]+) following section name are ld generated and not expected.
>> Did you forget to use "ax"/"aw" in a .S file?
>> Note that for example <linux/init.h> contains
>> section definitions for use in .S files.
>>
>> But for .linkonce. duplicated sections are actually ok and expected.
>> So just disable the warning for this case.
> 
> Agreed.
> Applied and pushed out.

There's still the "crap in /proc/kallsyms" problem like

0000000000000b0c N DW.aio.h.903a6d92.0
0000000000000b19 N DW.aio.h.903a6d92.1
0000000000000b24 N DW.aio.h.903a6d92.2
0000000000000bce N DW.task_io_accounting.h.8d8de327.0

Haven't not looked at that yet, but that needs to be fixed too.

-Andi
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