linux-kernel - Re: Reference counting of MMC host driver modules

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Date:	Sun, 11 Jan 2009 10:41:11 +0100
From:	Pierre Ossman <drzeus-mmc@...eus.cx>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Enrik Berkhan <Enrik.Berkhan@...com>,
	David Vrabel <david.vrabel@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: Reference counting of MMC host driver modules

On Sat, 10 Jan 2009 10:49:00 +0100
Stefan Richter <stefanr@...6.in-berlin.de> wrote:

> 
> So, if somebody asked me to copy my ieee1394/sbp2 safeguard into
> firewire/fw-sbp2, I would reject that on the grounds that killing the
> connection to the FireWire disk is the *expected result* of
> # modprobe -r firewire-ohci

I have to agree with Stefan's reasoning here. The reference counting is
about protecting kernel integrity, not about saving the user's foot.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  rdesktop, core developer          http://www.rdesktop.org

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