From: "Luis R. Rodriguez" <mcgrof@kernel.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>,
rusty@rustcorp.com.au, linux-kernel@vger.kernel.org,
ciaran.farrell@suse.com, christopher.denicolo@suse.com,
fontana@sharpeleven.org, copyleft-next@lists.fedorahosted.org,
gnomes@lxorguk.ukuu.org.uk, alan@linux.intel.com, tytso@mit.edu,
hpa@zytor.com
Subject: Re: [PATCH] module.h: add copyleft-next >= 0.3.1 as GPL compatible
Date: Wed, 29 Jun 2016 22:03:30 +0200 [thread overview]
Message-ID: <20160629200330.GF31219@wotan.suse.de> (raw)
In-Reply-To: <20160629194635.GA23718@kroah.com>
On Wed, Jun 29, 2016 at 12:46:35PM -0700, Greg KH wrote:
> On Wed, Jun 29, 2016 at 09:05:47PM +0200, Luis R. Rodriguez wrote:
> > On Tue, Jun 14, 2016 at 11:35:11AM -0700, Luis R. Rodriguez wrote:
> > > copyleft-next [0] [1] is an openly evolved copyleft license, its an
> > > effort to evolve copyleft without participation of the Church (TM)
> > > or State (R), completley openly to the extend development and
> > > discussion of copyleft-next by participants of the copyleft-next
> > > project are governed by the Harvey Birdman Rule [2].
> > >
> > > Even though it has been a goal of the project to be GPL-v2 compatible
> > > to be certain I've asked for a clarification about what makes
> > > copyleft-next GPLv2 compatible and also asked for a summary of
> > > benefits. This prompted some small minor changes to make compatiblity
> > > even further clear and as of copyleft 0.3.1 compatibility should
> > > be crystal clear [3].
> > >
> > > The summary of why copyleft-next 0.3.1 is compatible with GPLv2
> > > is explained as follows:
> > >
> > > Like GPLv2, copyleft-next requires distribution of derivative works
> > > ("Derived Works" in copyleft-next 0.3.x) to be under the same license.
> > > Ordinarily this would make the two licenses incompatible. However,
> > > copyleft-next 0.3.1 says: "If the Derived Work includes material
> > > licensed under the GPL, You may instead license the Derived Work under
> > > the GPL." "GPL" is defined to include GPLv2.
> > >
> > > In practice this means copyleft-next code in Linux may be licensed
> > > under the GPL2, however there are additional obvious gains for
> > > bringing contributins from Linux outbound where copyleft-next is
> > > preferred. To help review further I've also independently reviewed
> > > compatiblity with attorneys at SUSE and they agree with the
> > > compatibility.
> > >
> > > A summary of benefits of copyleft-next >= 0.3.1 over GPLv2 is listed
> > > below, it shows *why* some folks like myself will prefer it over
> > > GPLv2 for future work.
> > >
> > > o It is much shorter and simpler
> > > o It has an explicit patent license grant, unlike GPLv2
> > > o Its notice preservation conditions are clearer
> > > o More free software/open source licenses are compatible
> > > with it (via section 4)
> > > o The source code requirement triggered by binary distribution
> > > is much simpler in a procedural sense
> > > o Recipients potentially have a contract claim against distributors
> > > who are noncompliant with the source code requirement
> > > o There is a built-in inbound=outbound policy for upstream
> > > contributions (cf. Apache License 2.0 section 5)
> > > o There are disincentives to engage in the controversial practice
> > > of copyleft/ proprietary dual-licensing
> > > o In 15 years copyleft expires, which can be advantageous
> > > for legacy code
> > > o There are explicit disincentives to bringing patent infringement
> > > claims accusing the licensed work of infringement (see 10b)
> > > o There is a cure period for licensees who are not compliant
> > > with the license (there is no cure opportunity in GPLv2)
> > > o copyleft-next has a 'built-in or-later' provision
> > >
> > > [0] https://github.com/copyleft-next/copyleft-next
> > > [1] https://lists.fedorahosted.org/mailman/listinfo/copyleft-next/
> > > [2] https://github.com/richardfontana/hbr/blob/master/HBR.md
> > > [3] https://lists.fedorahosted.org/archives/list/copyleft-next@lists.fedorahosted.org/thread/JTGV56DDADWGKU7ZKTZA4DLXTGTLNJ57/#SQMDIKBRAVDOCT4UVNOOCRGBN2UJIKHZ
> > >
> > > Cc: copyleft-next@lists.fedorahosted.org
> > > Cc: Richard Fontana <fontana@sharpeleven.org>
> > > Signed-off-by: Ciaran Farrell <Ciaran.Farrell@suse.com>
> > > Signed-off-by: Christopher De Nicolo <Christopher.DeNicolo@suse.com>
> > > Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
> > > ---
> > >
> > > I've tested its use at run time as well obviously.
> > >
> > > include/linux/license.h | 1 +
> > > include/linux/module.h | 1 +
> > > 2 files changed, 2 insertions(+)
> > >
> >
> > Greg, Rusty,
> >
> > I haven't seen any objections or questions, so just a friendly *poke*.
>
> Shouldn't this go in _with_ a patch that actually adds code that uses
> the license?
Sure, I can fold it in another series that adds new code if that is
desirable. Unless I hear back I'll do that then.
Luis
next prev parent reply other threads:[~2016-06-29 20:03 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 18:35 [PATCH] module.h: add copyleft-next >= 0.3.1 as GPL compatible Luis R. Rodriguez
2016-06-29 19:05 ` Luis R. Rodriguez
2016-06-29 19:46 ` Greg KH
2016-06-29 20:03 ` Luis R. Rodriguez [this message]
2016-06-29 20:13 ` H. Peter Anvin
2016-06-29 21:43 ` Paul Bolle
2016-06-29 22:01 ` Luis R. Rodriguez
2016-06-29 22:45 ` Paul Bolle
2016-06-29 23:01 ` Luis R. Rodriguez
2016-06-29 23:22 ` Paul Bolle
2016-06-29 23:29 ` Luis R. Rodriguez
2016-06-29 20:49 ` Paul Bolle
2016-06-30 22:50 ` Luis R. Rodriguez
2016-06-30 22:53 ` [PATCH v2] " Luis R. Rodriguez
2016-07-01 15:42 ` Greg KH
2016-07-18 3:26 ` Rusty Russell
2016-07-19 22:38 ` Greg KH
2016-07-19 23:29 ` Richard Fontana
2016-07-21 6:04 ` Rusty Russell
2016-07-22 0:07 ` Luis R. Rodriguez
2016-08-09 20:04 ` Kernel modules under new copyleft licence : (was Re: [PATCH v2] module.h: add copyleft-next >= 0.3.1 as GPL compatible) Alan Cox
2016-08-09 20:14 ` Luis R. Rodriguez
2016-08-10 1:25 ` [copyleft-next] " Luis R. Rodriguez
2016-08-10 2:58 ` Linus Torvalds
2017-05-11 18:02 ` Luis R. Rodriguez
2017-05-15 15:18 ` Alan Cox
2017-05-16 23:27 ` Luis R. Rodriguez
2017-05-17 13:36 ` Alan Cox
2017-05-17 16:55 ` Theodore Ts'o
2017-05-17 17:41 ` [copyleft-next] " Luis R. Rodriguez
2017-05-18 22:12 ` Theodore Ts'o
2017-05-18 23:04 ` Luis R. Rodriguez
2017-05-18 23:08 ` David Lang
2017-05-18 23:29 ` Luis R. Rodriguez
2017-05-19 15:15 ` Theodore Ts'o
2017-05-19 11:31 ` Alan Cox
2017-05-19 15:09 ` Luis R. Rodriguez
2017-05-19 17:59 ` Luis R. Rodriguez
2017-05-19 18:04 ` Luis R. Rodriguez
2017-05-19 22:55 ` Alan Cox
2017-05-25 17:05 ` Pavel Machek
2017-05-25 17:31 ` Luis R. Rodriguez
2017-05-25 20:14 ` Pavel Machek
2017-05-25 22:54 ` Luis R. Rodriguez
2016-08-09 21:46 ` Richard Fontana
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