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From: "Robert P. J. Day" <rpjday@mindspring.com>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: does CONFIG_UNUSED_SYMBOLS have any value anymore?
Date: Thu, 19 Jul 2007 11:32:26 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.64.0707191131040.7047@localhost.localdomain> (raw)
In-Reply-To: <469F749F.8030606@s5r6.in-berlin.de>

On Thu, 19 Jul 2007, Stefan Richter wrote:

> Robert P. J. Day wrote:
> ...
> > it's not clear if that means that it was a *one-time* transition
> > aid which is now unnecessary, or whether it's an *ongoing* aid which
> > might be used at any time.  currently, there are no invocations of
> > EXPORT_UNUSED_SYMBOL[_GPL] anywhere in the tree.  so does that mean
> > this feature can be tossed?  or might it still be used every so often?
>
> git-blame (or qgit, which I actually used) points from this part of
> lib/Kconfig.debug to the following chunk in
> Documentation/feature-removal-schedule.txt:
>
> What:	Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports
> 	(temporary transition config option provided until then)
> 	The transition config option will also be removed at the same time.
> When:	before 2.6.19
> Why:	Unused symbols are both increasing the size of the kernel binary
> 	and are often a sign of "wrong API"
> Who:	Arjan van de Ven <arjan@linux.intel.com>

argh.  i should have checked there first.  sorry for the noise.  i can
patch that baby out unless arjan wants to do it.

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================

      parent reply	other threads:[~2007-07-19 15:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-19 12:53 Robert P. J. Day
2007-07-19 14:26 ` Stefan Richter
2007-07-19 14:45   ` Arjan van de Ven
2007-07-19 15:34     ` Robert P. J. Day
2007-07-19 15:47       ` Arjan van de Ven
2007-07-19 16:22         ` Robert P. J. Day
2007-07-19 15:32   ` Robert P. J. Day [this message]

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