From: Oliver Neukum <oneukum@suse.de>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Maneesh Soni <maneesh@in.ibm.com>,
gregkh@suse.de, linux-kernel@vger.kernel.org
Subject: Re: refcounting drivers' data structures used in sysfs buffers
Date: Mon, 12 Mar 2007 21:15:31 +0100 [thread overview]
Message-ID: <200703122115.32971.oneukum@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0703121557360.4003-100000@iolanthe.rowland.org>
Am Montag, 12. März 2007 21:03 schrieb Alan Stern:
> On Mon, 12 Mar 2007, Oliver Neukum wrote:
>
> > > > I don't like reverting my own code. But I predict he'll tell you that a
> > > > driver's bond with a device should be represented in a data structure
> > > > that is to be refcounted.
> > >
> > > :-)
> >
> > Coming to think about it, he might be right there.
>
> There still would be a synchronization problem. Refcounts don't solve
> races; they only solve lifetime problems. And you would still have to
> change the sysfs API, plus all the other stuff...
>
> Do you think Linus would listen if all three of us (plus maybe Greg) tried
> to convince him?
No. He'd tell you that a crap API should be changed.
Regards
Oliver
next prev parent reply other threads:[~2007-03-12 20:15 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-08 13:05 refcounting drivers' data structures used in sysfs buffers Oliver Neukum
2007-03-08 16:02 ` Alan Stern
2007-03-09 0:45 ` Oliver Neukum
2007-03-09 16:32 ` Alan Stern
2007-03-09 16:44 ` Oliver Neukum
2007-03-09 17:02 ` Dmitry Torokhov
2007-03-09 17:18 ` Oliver Neukum
2007-03-09 17:34 ` Dmitry Torokhov
2007-03-09 19:32 ` Alan Stern
2007-03-09 20:05 ` Oliver Neukum
2007-03-09 20:27 ` Alan Stern
2007-03-09 20:39 ` Oliver Neukum
2007-03-09 20:08 ` Alan Stern
2007-03-09 20:48 ` Oliver Neukum
2007-03-10 19:19 ` Alan Stern
2007-03-12 8:54 ` Oliver Neukum
2007-03-12 14:57 ` Alan Stern
2007-03-12 15:23 ` Oliver Neukum
2007-03-12 15:42 ` Dmitry Torokhov
2007-03-12 15:59 ` Oliver Neukum
2007-03-12 16:21 ` Alan Stern
2007-03-12 18:25 ` Oliver Neukum
2007-03-12 19:31 ` Alan Stern
2007-03-12 19:49 ` Oliver Neukum
2007-03-12 20:03 ` Alan Stern
2007-03-12 20:15 ` Oliver Neukum [this message]
2007-03-12 20:31 ` Dmitry Torokhov
2007-03-12 20:45 ` Alan Stern
2007-03-12 21:31 ` Richard Purdie
2007-03-13 15:00 ` 2.6.21-rc suspend regression: sysfs deadlock Alan Stern
2007-03-13 18:42 ` Cornelia Huck
2007-03-13 21:20 ` Linus Torvalds
2007-03-14 16:12 ` Alan Stern
2007-03-14 18:43 ` Cornelia Huck
2007-03-14 19:23 ` Alan Stern
2007-03-15 10:27 ` Cornelia Huck
2007-03-15 12:31 ` Hugh Dickins
2007-03-15 13:02 ` Oliver Neukum
2007-03-15 13:22 ` Dmitry Torokhov
2007-03-15 13:59 ` Hugh Dickins
2007-03-15 14:27 ` Alan Stern
2007-03-15 15:32 ` Cornelia Huck
2007-03-15 16:29 ` Hugh Dickins
2007-03-15 16:51 ` Linus Torvalds
2007-03-15 19:50 ` [PATCH] sysfs and driver core: add callback helper, used by SCSI and S390 Alan Stern
2007-03-15 19:50 ` Alan Stern
2007-03-15 22:47 ` patch sysfs-and-driver-core-add-callback-helper-used-by-scsi-and-s390.patch added to gregkh-2.6 tree gregkh
2007-03-15 22:47 ` gregkh
2007-03-15 19:51 ` [PATCH] sysfs: reinstate exclusion between method calls and attribute unregistration Alan Stern
2007-03-13 19:00 ` 2.6.21-rc suspend regression: sysfs deadlock Hugh Dickins
2007-03-13 20:09 ` Alan Stern
2007-03-13 20:55 ` Hugh Dickins
2007-03-13 21:08 ` Dmitry Torokhov
2007-03-13 21:20 ` Alan Stern
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