linux-kernel - Re: [PATCH] modpost: Ignore ARC specific non-alloc sections

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Message-ID: <8738yk76k6.fsf@rustcorp.com.au>
Date:	Wed, 02 Jan 2013 11:19:13 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Sam Ravnborg <sam@...nborg.org>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	Michal Marek <mmarek@...e.cz>, Tony Lindgren <tony@...mide.com>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] modpost: Ignore ARC specific non-alloc sections

Sam Ravnborg <sam@...nborg.org> writes:

> On Thu, Dec 27, 2012 at 04:17:20PM +0530, Vineet Gupta wrote:
>> ARC relocatable object files contain one/more .gnu.linkonce.arcextmap.*
>> sections (collated by kernel/vmlinux.lds into .arcextmap in final link).
>> This section is used by debuggers to display the extension instructions
>> and need-not be loaded by target (hence !SHF_ALLOC)
>> 
>> The final kernel binary only needs .arcextmap entry in modpost's ignore
>> list (section_white_list[]). However when building modules, modpost scans
>> each object file individually, hence tripping on non-aggregated
>> .gnu.linkonce.arcextmap.* entries as well.
>
> The list exist for this particular purpose.
> So acked.

Applied, thanks!

Cheers,
Rusty.
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