linux-kernel - Re: [copyleft-next] Re: Kernel modules under new copyleft licence : (was Re: [PATCH v2] module.h: add copyleft-next >= 0.3.1 as GPL compatible)

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Date:   Fri, 19 May 2017 19:59:12 +0200
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     "Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:     Alan Cox <alan@...ux.intel.com>, Theodore Ts'o <tytso@....edu>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        AKASHI Takahiro <takahiro.akashi@...aro.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ciaran.farrell@...e.com, christopher.denicolo@...e.com,
        fontana@...rpeleven.org, copyleft-next@...ts.fedorahosted.org,
        One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
        Paul Bolle <pebolle@...cali.nl>, Peter Anvin <hpa@...or.com>,
        Joe Perches <joe@...ches.com>
Subject: Re: [copyleft-next] Re: Kernel modules under new copyleft licence :
 (was Re: [PATCH v2] module.h: add copyleft-next >= 0.3.1 as GPL compatible)

On Fri, May 19, 2017 at 05:09:20PM +0200, Luis R. Rodriguez wrote:
> On Fri, May 19, 2017 at 12:31:50PM +0100, Alan Cox wrote:
> > > I really cannot see how you might have an attorney who wants ink on
> > > 2A but not 1A.
> > > I really cannot see how you might have an attorney who wants ink on
> > > 2B but not 1B.
> > 
> > Because their job is to protect their whomsoever they represent. They
> > protect them drawing upon case law and providing rules based upon
> > caselaw so that people don't have to keep bothering them.
> > 
> > The lawyers have caselaw for "either a or b" licensing. They don't have
> > caselaw for licence compatibility with your licence. Therefore it's a
> > risk.
> 
> Alright, this makes sense.
> 
> As noted though there are a few "or" clauses, which upstream file
> is a good template to use for copyleft-next ?

There seems to be a few "or" clauses. For instance:

a) you can pick either license [0]
b) gpl on Linux, otherwise this other license below [1]

To help uplift copyleft will go with b).

[0] drivers/infiniband/hw/hfi1/driver.c
[1] drivers/block/xen-blkback/blkback.c

  Luis