linux-kernel - Re: Lots of unexpected non-allocatable section warnings

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Message-ID: <49FF090A.3030505@caviumnetworks.com>
Date:	Mon, 04 May 2009 08:26:02 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	Manuel Lauss <mano@...rinelk.homelinux.net>
CC:	Sam Ravnborg <sam@...nborg.org>, Anders Kaseorg <andersk@....edu>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-MIPS <linux-mips@...ux-mips.org>
Subject: Re: Lots of unexpected non-allocatable section warnings

Manuel Lauss wrote:
> Hi Sam,
> 
> On Sun, May 03, 2009 at 10:29:39PM +0200, Sam Ravnborg wrote:
>> This is due to the SUSE specific section as you expected.
>> We ignore sections named ".comment" but not ".comment" sections
>> with something appended to the name.
> 
> 
> On a related note, I see tons of the following warnings cross-building for
> MIPS:
> 
> WARNING: init/mounts.o (.mdebug.abi32): unexpected non-allocatable section.
> 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.                                   
> 
> WARNING: init/mounts.o (.pdr): unexpected non-allocatable section.
> 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. 
> 
> 
> I added ".pdr" and ".mdebug*" to the whitelist;  the resulting kernels still
> work.  (gcc-4.3.3, binutils-2.19.1)
> 

I too think they are needed.  Are you going to prepare a patch?

David Daney
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