Date: Wed, 30 Jul 2003 06:33:10 +1000
From: Rusty Russell <rusty@rustcorp.com.au>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: notting@redhat.com, arjanv@redhat.com, torvalds@osdl.org,
       shemminger@osdl.org, davem@redhat.com, greg@kroah.com,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Remove module reference counting.
Message-Id: <20030730063310.70b5c794.rusty@rustcorp.com.au>
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On 28 Jul 2003 12:38:41 +0100
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> On Llu, 2003-07-28 at 01:12, Bill Nottingham wrote:
> > It loads/unloads things like scsi modules and firewire controller
> > modules, but only for hardware actually present in the system (i.e.,
> > you'd probably be loading it again anyway, if you haven't already
> > loaded it.)
> 
> It loads things like floppy anyway, and it loads lots of things like the
> firewire stuff that nobody ever uses because it has to see if anything
> is plugged into them.

And it has to leave them in memory anyway, in case someone plugs stuff in
later.  Oh well.

> I guess kudzu could simply do lots of I/O ops directly on the floppy 
> hardware to detect it without loading drivers but thats pretty fugly.

Agreed that'd be kinda silly.  But I was "educated" earlier that driver
loading shouldn't fail just because hardware is missing, due to hotplug.

Is this wrong?
Rusty.
-- 
   there are those who do and those who hang on and you don't see too
   many doers quoting their contemporaries.  -- Larry McVoy
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