linux-kernel - Re: [PATCH 15/15] modpost: convert modpost to use HEAD_TEXT

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Date:	Sun, 26 Apr 2009 13:30:42 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Tim Abbott <tabbott@....EDU>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Anders Kaseorg <andersk@....edu>,
	Waseem Daher <wdaher@....edu>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andi Kleen <andi@...stfloor.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Jeff Arnold <jbarnold@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jon Masters <jonathan@...masters.org>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Theodore Ts'o <tytso@....edu>,
	Nikanth Karthikesan <knikanth@...e.de>,
	Arjan van de Ven <arjan@...radead.org>,
	Paul Mundt <lethal@...ux-sh.org>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Kyle McMartin <kyle@...artin.ca>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH 15/15] modpost: convert modpost to use HEAD_TEXT_SECTION macro.

On Sat, Apr 25, 2009 at 10:11:10PM -0400, Tim Abbott wrote:
> Using the HEAD_TEXT_SECTION macro in modpost requires including a few
> more files from the linux headers.
> 
> The entry in head_sections[] ".head.text*" should be ".head.text",
> since only that section name is actually used by any architectures.  I
> corrected this since preserving this over-broad pattern would have
> involved some string concatination nastiness.

I have seen linkers that added a number after the section names
in certain situations. Often this is due to mix of sections
with different flags ("ax" versus no "ax").
This is the background for the wildcard.

With your patchset we should not see any such users - but we 
should then warn if they showed up anyway if we do not silently
support them.

	Sam
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