From: Enrik Berkhan <Enrik.Berkhan@ge.com>
To: David Vrabel <david.vrabel@csr.com>
Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>, linux-kernel@vger.kernel.org
Subject: Re: Reference counting of MMC host driver modules
Date: Fri, 9 Jan 2009 21:00:24 +0100 [thread overview]
Message-ID: <20090109200024.GA14754@ngeserver2.localdomain> (raw)
In-Reply-To: <49679570.3070403@csr.com>
On Fri, Jan 09, 2009 at 06:20:32PM +0000, David Vrabel wrote:
> Enrik Berkhan wrote:
> > I've noticed recently that the MMC/SD block driver does not reference
> > count the MMC/SD host driver module that it uses via the MMC/SD core
> > layer. Thus, I can rmmod my host driver module while, for example, a
> > partition on a SD card is mounted.
>
> This is same as removing the card while it's in use.
I don't think so.
Being able to remove the card while it is in use is a bug of the
mechanical interface. Can't be fixed easily.
Being able to remove the module while it is in use is a bug of the
software. Can be fixed.
Enrik
next prev parent reply other threads:[~2009-01-09 20:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-09 17:07 Reference counting of MMC host driver modules Enrik Berkhan
2009-01-09 18:20 ` David Vrabel
2009-01-09 20:00 ` Enrik Berkhan [this message]
2009-01-10 9:49 ` Stefan Richter
2009-01-11 9:41 ` Pierre Ossman
2009-01-12 15:41 ` Enrik Berkhan
2009-01-12 17:10 ` Stefan Richter
2009-01-12 20:01 ` Enrik Berkhan
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