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Re: Lots of unexpected non-allocatable section warnings

To: Sam Ravnborg <sam@ravnborg.org>
Subject: Re: Lots of unexpected non-allocatable section warnings
From: Manuel Lauss <mano@roarinelk.homelinux.net>
Date: Mon, 4 May 2009 10:28:16 +0200
Cc: Anders Kaseorg <andersk@mit.edu>, LKML <linux-kernel@vger.kernel.org>, Linux-MIPS <linux-mips@linux-mips.org>
In-reply-to: <20090503202939.GA1237@uranus.ravnborg.org>
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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)

Thanks!
        Manuel Lauss

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