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Date: Wed, 12 Mar 2003 03:28:38 +0100 (CET)
From: Roman Zippel <zippel@linux-m68k.org>
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To: Patrick Mochel <mochel@osdl.org>
cc: Greg KH <greg@kroah.com>, Oliver Neukum <oliver@neukum.name>,
       Linux Kernel List <linux-kernel@vger.kernel.org>,
       Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
       Jeff Garzik <jgarzik@pobox.com>, Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: PCI driver module unload race?
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Hi,

On Tue, 11 Mar 2003, Patrick Mochel wrote:

> > > Greg, and Rusty, are right. Dealing with this is a PITA, and I think will 
> > > always be. I'm willing to take the Nancy Reagan platform, too. 
> > 
> > Right with what? 
> 
> With the idea that unloading modules is a bad idea. 

With the current module refcount model I can only agree.
OTOH I need a sufficiently complex example, which gets the module locking 
right (file systems are just too simple), then I can actually produce a 
patch, which shows the advantages of a different model and the driver 
model/sysfs looks like an interesting victim. :)

> > What is the "Nancy Reagan platform"?
> 
> "Just say no". It was a big anti-drug campaign in the US targeted at
> schoolchildren, spearheaded in the mid-80's by Nancy Reagan.

Well, this always look simple, but it hardly ever solves the real problem.

bye, Roman

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