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From: Rob Herring <robh@kernel.org>
To: Joe Perches <joe@perches.com>
Cc: Igor Stoppa <igor.stoppa@huawei.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andy Whitcroft <apw@canonical.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH v6] checkpatch.pl: Add SPDX license tag check
Date: Fri, 2 Feb 2018 14:57:59 -0600	[thread overview]
Message-ID: <CAL_JsqJDgNrpfhg_5bL0VywJ9zFLbO+aCJsCKow9YPSJnB8huw@mail.gmail.com> (raw)
In-Reply-To: <1517598363.7489.126.camel@perches.com>

On Fri, Feb 2, 2018 at 1:06 PM, Joe Perches <joe@perches.com> wrote:
> On Fri, 2018-02-02 at 12:27 -0600, Rob Herring wrote:
>> On Fri, Feb 2, 2018 at 9:49 AM, Igor Stoppa <igor.stoppa@huawei.com> wrote:
>> > On 02/02/18 17:40, Rob Herring wrote:
>> > > Add SPDX license tag check based on the rules defined in
>> >
>> > Shouldn't it also check that the license is compatible?
>> >
>>
>> Perhaps we shouldn't try to script legal advice.
>
> True.
>
> I believe what was meant was that the
> entry was a valid SPDX License entry
> that already exists as a specific file
> in the LICENSES/ path.
>
> So that entry must be some combination of:
>
> $ git ls-files LICENSES/ | cut -f3- -d'/' | sort
> BSD-2-Clause
> BSD-3-Clause
> BSD-3-Clause-Clear
> GPL-1.0
> GPL-2.0
> LGPL-2.0
> LGPL-2.1
> Linux-syscall-note
> MIT
> MPL-1.1
>
> From my perspective, it'd be better if the
> various + uses had their own individual
> license files in the LICENSES/ path.
>
> Right now, there are many missing licenses
> that are already used by various existing
> SPDX-License-Identifier: entries.
>
>
> APACHE-2.0

Given that Apache 2.0 is not compatible with GPL 2, that would pretty
much mean anything with Apache license is dual licensed and it would
be the other license that applies. Do we really want/need license
texts for all the other possible licenses that don't apply to kernel
files? If so, this should all just be scripted to sync LICENSES/ with
found SPDX tags in the kernel.

> BSD
> CDDL
> CDDL-1.0
> ISC
> GPL-1.0+
> GPL-2.0+
> LGPL-2.1+
> OpenSSL

ISC and OpenSSL are only in license-rules.rst as examples. We should
just fix those examples to something else.

Rob

  parent reply	other threads:[~2018-02-02 20:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-02 15:40 Rob Herring
2018-02-02 15:49 ` Igor Stoppa
2018-02-02 16:12   ` Greg Kroah-Hartman
2018-02-02 16:17     ` Jonathan Corbet
2018-02-02 18:27   ` Rob Herring
2018-02-02 19:06     ` Joe Perches
2018-02-02 20:18       ` Kate Stewart
2018-02-02 20:26         ` Kate Stewart
2018-02-02 20:55         ` Joe Perches
2018-02-08 14:41         ` Philippe Ombredanne
2018-02-02 20:57       ` Rob Herring [this message]
2018-02-02 21:10         ` Joe Perches
2018-02-03 13:41       ` Igor Stoppa
2018-02-08 14:44         ` Philippe Ombredanne
2018-02-08 14:35       ` Philippe Ombredanne
2018-02-08 17:24         ` Joe Perches
2018-02-08 18:09           ` Philippe Ombredanne
2018-02-02 21:18 ` Joe Perches
2018-02-09  0:35   ` Joe Perches
2018-02-09  5:58     ` Philippe Ombredanne

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