Re: does CONFIG_UNUSED_SYMBOLS have any value anymore?

From: Robert P. J. Day
Date: Thu Jul 19 2007 - 11:40:29 EST


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@xxxxxxxxxxxxxxx>

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

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

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