From: Arjan van de Ven <arjan@infradead.org>
To: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
Chris Wright <chrisw@sous-sol.org>,
virtualization@lists.osdl.org, xen-devel@lists.xensource.com,
linux-kernel@vger.kernel.org, Ian Pratt <ian.pratt@xensource.com>,
ian.pratt@cl.cam.ac.uk
Subject: RE: [RFC PATCH 35/35] Add Xen virtual block device driver.
Date: Thu, 23 Mar 2006 09:19:31 +0100 [thread overview]
Message-ID: <1143101972.3147.11.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <A95E2296287EAD4EB592B5DEEFCE0E9D4B9E8A@liverpoolst.ad.cl.cam.ac.uk>
On Wed, 2006-03-22 at 16:52 +0000, Ian Pratt wrote:
> > This is another thing that has always put me off. The
> > virtual block device driver has the ability to masquerade as
> > other types of block devices. It actually claims to be an
> > IDE or SCSI device allocating the appropriate major/minor numbers.
> >
> > This seems to be pretty evil and creating interesting failure
> > conditions for users who load IDE or SCSI modules. I've seen
> > it trip up a number of people in the past. I think we should
> > only ever use the major number that was actually allocated to us.
>
> We certainly should be pushing everyone toward using the 'xdX' etc
> devices that are allocated to us.
yes but you are faking something stupid ;)
You aren't ide, you don't take the IDE ioctls. So please just nuke this
bit..
next prev parent reply other threads:[~2006-03-23 8:19 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-22 16:52 Ian Pratt
2006-03-22 17:09 ` Anthony Liguori
2006-03-22 23:09 ` Jeff Garzik
2006-03-24 12:17 ` Alan Cox
2006-03-24 12:38 ` Jeff Garzik
2006-03-24 13:37 ` Jeff Garzik
2006-03-24 13:40 ` Arjan van de Ven
2006-03-24 13:50 ` Jeff Garzik
2006-03-24 15:33 ` Dave C Boutcher
2006-03-24 19:04 ` Mike Christie
2006-03-24 19:19 ` Dave C Boutcher
2006-03-25 0:32 ` FUJITA Tomonori
2006-03-25 0:47 ` Roland Dreier
2006-03-24 15:55 ` Alan Cox
2006-03-25 10:03 ` Rusty Russell
2006-03-27 10:14 ` Peter Chubb
2006-03-23 8:19 ` Arjan van de Ven [this message]
2006-03-23 9:34 ` Keir Fraser
2006-03-23 9:41 ` Arjan van de Ven
2006-03-23 9:42 ` Arjan van de Ven
-- strict thread matches above, loose matches on Subject: below --
2006-05-09 8:49 [RFC PATCH 00/35] Xen i386 paravirtualization support Chris Wright
2006-05-09 7:00 ` [RFC PATCH 35/35] Add Xen virtual block device driver Chris Wright
2006-05-09 12:01 ` Christoph Hellwig
2006-03-22 6:30 [RFC PATCH 00/35] Xen i386 paravirtualization support Chris Wright
2006-03-22 6:31 ` [RFC PATCH 35/35] Add Xen virtual block device driver Chris Wright
2006-03-22 16:39 ` Anthony Liguori
2006-03-22 16:54 ` Christoph Hellwig
2006-03-27 8:42 ` Gerd Hoffmann
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