From: "Chris Friesen" <cfriesen@nortel.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: David Newall <davidn@davidnewall.com>,
Pekka Enberg <penberg@cs.helsinki.fi>, Greg KH <greg@kroah.com>,
Christer Weinigel <christer@weinigel.se>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: mark USB drivers as being GPL only
Date: Tue, 05 Feb 2008 14:35:31 -0600 [thread overview]
Message-ID: <47A8C893.6000103@nortel.com> (raw)
In-Reply-To: <1202241819.15090.133.camel@violet>
Marcel Holtmann wrote:
> If the developers say that this symbol can only be used in GPL code (and
> with EXPORT_SYMBOL_GPL it is quite clear) then you have to obey to that
> license or don't use this symbol at all.
>
> If you use that symbol inside non-GPL (meaning you link at runtime) then
> you are in violation of the GPL license. We can't make it much clearer.
Not necessarily so. The developers feel that any code using that symbol
is necessarily a derivative work, but at the end of the day it would be
up to the legal system to decide whether it really is or not.
If the courts decided that the symbol could be used and the driver
wouldn't be a derivative work, it would be perfectly legal to use a
GPL'd shim to "re-export" the symbol, essentially stripping off the
GPL-only protection for that symbol.
In our group all kernel modules that we write are GPL'd, as it lets us
sleep at night, simplifies our lives, and makes the lawyers much
happier. Other people may be willing to take more risks.
Chris
next prev parent reply other threads:[~2008-02-05 20:36 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-25 18:02 [PATCH] USB: mark USB drivers as being GPL only Greg KH
2008-01-28 8:13 ` Clemens Ladisch
2008-01-28 8:57 ` Greg KH
2008-01-28 9:58 ` Clemens Ladisch
2008-01-28 16:13 ` Greg KH
2008-01-28 10:44 ` Boaz Harrosh
2008-01-28 16:13 ` Greg KH
2008-01-28 16:44 ` Boaz Harrosh
2008-01-28 16:52 ` Greg KH
2008-01-28 21:49 ` TimC
2008-02-02 11:37 ` Christer Weinigel
2008-02-02 19:19 ` Greg KH
2008-02-03 11:48 ` Christer Weinigel
2008-02-03 14:35 ` Pekka Enberg
2008-02-03 17:04 ` Christer Weinigel
2008-02-03 23:15 ` Greg KH
2008-02-05 23:14 ` David Newall
2008-02-05 23:17 ` Alan Cox
2008-02-07 12:50 ` David Newall
2008-02-07 14:06 ` Alan Cox
2008-02-07 14:32 ` David Newall
2008-02-05 23:29 ` Greg KH
2008-02-07 12:52 ` David Newall
2008-02-05 23:34 ` Chris Friesen
2008-02-06 21:04 ` Adrian Bunk
2008-02-07 1:36 ` David Schwartz
2008-02-07 13:26 ` David Newall
2008-02-07 14:15 ` Alan Cox
2008-02-07 15:02 ` David Newall
2008-02-07 15:07 ` Alan Cox
2008-02-07 16:31 ` David Newall
2008-02-08 0:18 ` David Schwartz
2008-02-07 13:06 ` David Newall
2008-02-07 14:12 ` Alan Cox
2008-02-07 14:55 ` David Newall
2008-02-07 15:01 ` Alan Cox
2008-02-07 16:19 ` David Newall
2008-02-07 22:51 ` Hannu Savolainen
2008-02-07 23:17 ` Greg KH
2008-02-03 15:07 ` David Newall
2008-02-04 10:21 ` Diego Zuccato
2008-02-04 19:18 ` Christer Weinigel
2008-02-04 21:38 ` Marcel Holtmann
2008-02-06 20:34 ` Christer Weinigel
2008-02-06 20:54 ` Hans-Jürgen Koch
2008-02-07 13:19 ` David Newall
2008-02-07 14:06 ` Hans-Jürgen Koch
2008-02-07 14:31 ` David Newall
2008-02-07 16:13 ` Hans-Jürgen Koch
2008-02-07 16:22 ` Dave Higton
2008-02-07 16:50 ` David Newall
2008-02-07 17:49 ` Hans-Jürgen Koch
2008-02-08 2:50 ` David Newall
2008-02-09 15:13 ` Christer Weinigel
2008-02-09 15:41 ` Pekka Enberg
2008-02-09 16:50 ` Christer Weinigel
2008-02-09 17:29 ` Pekka Enberg
2008-02-06 20:55 ` Marcel Holtmann
2008-02-06 20:52 ` Alan Cox
2008-02-07 13:47 ` David Newall
2008-02-07 14:26 ` Alan Cox
2008-02-07 15:16 ` David Newall
2008-02-06 21:29 ` Christer Weinigel
2008-02-07 8:07 ` Diego Zuccato
2008-02-07 15:05 ` Adrian Bunk
2008-02-07 19:27 ` Marcel Holtmann
2008-02-07 13:21 ` David Newall
2008-02-07 19:35 ` Marcel Holtmann
2008-02-07 13:16 ` David Newall
2008-02-05 7:49 ` Diego Zuccato
2008-02-05 23:25 ` David Newall
2008-02-05 23:25 ` Alan Cox
2008-02-07 13:00 ` David Newall
2008-02-07 14:10 ` Alan Cox
2008-02-07 14:48 ` David Newall
2008-02-07 14:58 ` Alan Cox
2008-02-07 16:03 ` David Newall
2008-02-07 18:22 ` Alan Cox
2008-02-08 2:55 ` David Newall
2008-02-08 11:29 ` Alan Cox
2008-02-08 16:34 ` David Newall
2008-02-07 8:31 ` Diego Zuccato
2008-02-07 13:35 ` David Newall
2008-02-07 14:25 ` Diego Zuccato
2008-02-07 15:13 ` David Newall
2008-02-08 8:48 ` Diego Zuccato
2008-02-07 19:34 ` Lee Mathers
2008-02-08 8:55 ` Diego Zuccato
2008-02-08 11:38 ` Alan Cox
2008-02-05 9:55 ` Bernd Petrovitsch
2008-02-05 11:18 ` David Newall
2008-02-05 12:32 ` Bernd Petrovitsch
2008-02-10 15:19 ` Bauke Jan Douma
2008-02-03 15:12 ` David Newall
2008-02-03 15:43 ` Pekka Enberg
2008-02-03 16:06 ` David Newall
2008-02-03 16:48 ` Pekka Enberg
2008-02-05 11:33 ` David Newall
2008-02-05 19:43 ` Marcel Holtmann
2008-02-07 13:41 ` David Newall
2008-02-07 19:05 ` Marcel Holtmann
2008-02-08 3:57 ` David Newall
2008-02-08 9:15 ` Marcel Holtmann
2008-02-08 18:40 ` David Newall
2008-02-08 19:08 ` David Newall
2008-02-08 19:23 ` David Newall
2008-02-08 19:36 ` Daniel Hazelton
2008-02-08 21:36 ` Alan Cox
2008-02-08 23:27 ` Daniel Hazelton
2008-02-08 19:13 ` Greg KH
2008-02-08 19:42 ` David Newall
2008-02-08 23:41 ` Marcel Holtmann
2008-02-10 2:01 ` David Schwartz
2008-02-10 4:50 ` Marcel Holtmann
2008-02-10 5:07 ` Daniel Hazelton
2008-02-10 5:43 ` Marcel Holtmann
2008-02-10 6:18 ` Daniel Hazelton
2008-02-10 11:20 ` Alan Cox
2008-02-10 13:30 ` Daniel Hazelton
2008-02-10 13:45 ` Olof Johansson
2008-02-12 18:02 ` Valdis.Kletnieks
2008-02-12 18:04 ` Alan Cox
2008-02-09 13:40 ` Christer Weinigel
2008-02-08 20:21 ` Valdis.Kletnieks
2008-02-08 23:30 ` Marcel Holtmann
2008-02-03 17:13 ` Marcel Holtmann
2008-02-05 11:39 ` David Newall
2008-02-05 11:46 ` Pekka Enberg
2008-02-06 21:12 ` Christer Weinigel
2008-02-06 21:48 ` Valdis.Kletnieks
2008-02-07 6:22 ` Pekka Enberg
2008-02-07 13:31 ` David Newall
2008-02-07 13:47 ` Pekka Enberg
2008-02-05 12:27 ` Alan Cox
2008-02-05 20:03 ` Marcel Holtmann
2008-02-05 20:35 ` Chris Friesen [this message]
2008-02-05 21:12 ` Marcel Holtmann
2008-02-07 12:41 ` David Newall
2008-02-07 13:37 ` David Newall
2008-02-07 13:45 ` David Newall
2008-02-07 14:28 ` Alan Cox
2008-02-07 15:39 ` David Newall
2008-02-05 20:34 ` Greg KH
2008-02-06 20:14 ` Christer Weinigel
2008-02-06 20:28 ` Greg KH
2008-02-06 21:03 ` Christer Weinigel
2008-02-07 13:15 ` David Newall
2008-02-07 13:39 ` David Newall
2008-02-06 20:43 ` Jon Smirl
2008-02-06 21:23 ` Greg KH
2008-02-01 14:45 Gilles Espinasse
2008-02-01 17:29 ` Greg KH
2008-02-06 21:14 ` Jan Engelhardt
2008-02-07 7:30 ` Gilles Espinasse
2008-02-03 11:17 Gilles Espinasse
2008-02-04 11:43 Matthew
2008-02-04 15:04 ` Greg KH
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