From: Jonathan Corbet <corbet@lwn.net>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
John Kacur <jkacur@redhat.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Vincent Sanders <vince@simtec.co.uk>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH RFC] [PATCH] drivers/scsi/ch.c: Remove BKL in ch_open
Date: Sun, 11 Oct 2009 11:09:19 -0600 [thread overview]
Message-ID: <20091011110919.559da63d@tpl.lwn.net> (raw)
In-Reply-To: <20091011091904.60a64279@infradead.org>
On Sun, 11 Oct 2009 09:19:04 -0700
Arjan van de Ven <arjan@infradead.org> wrote:
> > The more general problem of
> >
> > register_chrdev
> > open
> > do something
> > error
> > unload
> > whoops
> >
> > definitely needs looking at however.
>
> absolutely
>
> we used to have the same issue with networking devices,
> and there it ended up with a split "allocate" and "register"
Char devs are really the same way - request_chrdev_region() and
cdev_add(). I've thought for a while that register_chrdev() should be
seen as a legacy interface and removed - LDD3 was written from that
point of view. But that takes work, and nobody's found the issue
urgent enough to put time into...
jon
next prev parent reply other threads:[~2009-10-11 17:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-11 13:45 John Kacur
2009-10-11 14:37 ` Alan Cox
2009-10-11 15:29 ` Arjan van de Ven
2009-10-11 15:54 ` Alan Cox
2009-10-11 16:03 ` Arjan van de Ven
2009-10-11 16:14 ` Alan Cox
2009-10-11 16:19 ` Arjan van de Ven
2009-10-11 17:09 ` Jonathan Corbet [this message]
2009-10-12 13:03 ` Stefan Richter
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