linux-kernel - Re: [PATCH] Tell modpost that any reference from .note* is OK

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Message-ID: <465C9776.20901@goop.org>
Date:	Tue, 29 May 2007 14:13:26 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] Tell modpost that any reference from .note* is OK

Sam Ravnborg wrote:
> On Tue, May 29, 2007 at 01:33:20PM -0700, Jeremy Fitzhardinge wrote:
>   
>> .note* sections are ELF notes, which are typically used by external
>> tools to examine the kernel image.  Since this is removed from any
>> runtime consideration, it's OK to reference any section from a .note*
>> section.
>>
>> As a side-effect, this changes secref_whitelist to accept a NULL "atsym"
>> pointer, allowing it to be called when "before" is NULL.  This is
>> needed for .note sections since they don't necessarily have any
>> symbols, and it also allows the .got2 check to to be folded into the
>> normal whitelist checks.
>>     
>
> I did it a bit different. Adding .note to init_section_ref_ok +
> exit_section_ref_ok is much simpler.
> Next patch will move .got2 there too.
>   

Oh, yeah, that's simpler.  OK.

    J
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