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Subject: Re: [2.6 patch] make UNIX a bool
From: "James C. Georgas" <jgeorgas@rogers.com>
To: Adrian Bunk <bunk@stusta.de>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20060302214423.GI9295@stusta.de>
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Date: Thu, 02 Mar 2006 23:44:57 -0500
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On Thu, 2006-02-03 at 22:44 +0100, Adrian Bunk wrote:

> > > 
> > > We do not have to export symbols we don't want to export to modules but 
> > > needed by CONFIG_UNIX.
> > 
> > Sorry, I must just be dense, or something.
> > 
> > Is not the only difference between a modular driver and a built in
> > driver supposed to be the initialization and cleanup functions?
> > 
> > I don't see why you would have to expose any additional symbols, over
> > and above the existing required symbols, to load your module.
> 
> Every kernel symbol a module uses must be explicitely exported with 
> EXPORT_SYMBOL.
> 

Yes, I understand that I need to export symbols to define the interface
to my driver. whether its a module or compiled in. This is how other
systems interact with my driver, right?

> CONFIG_UNIX uses symbols that are neither used by any other in-kernel 
> modules nor should be exported.
> 

Are you saying that AF_UNIX has to export symbols for its own private
functions in order to call them? I guess I don't understand this. Why
not just call them. They're in scope within the driver code, aren't
they?


> > James C. Georgas <jgeorgas@rogers.com>
> 
> cu
> Adrian
> 

-- 
James C. Georgas <jgeorgas@rogers.com>

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