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Reply-To: k_f@gentoo.org
Subject: Re: Licensing of include/linux/hash.h
To:     Domenico Andreoli <domenico.andreoli@linux.com>,
        Ben Finney <bignose@debian.org>
Cc:     Nadia Yvette Chambers <nyc@holomorphy.com>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        919356@bugs.debian.org, debian-legal@lists.debian.org,
        linux-kernel@vger.kernel.org
References: <20190115170017.5gxarqxzfezgr5ld@dumbo>
 <20190123085000.fp7lhtjxcyzw3m4x@dumbo>
From:   Kristian Fiskerstrand <k_f@gentoo.org>
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Message-ID: <c3aa1b37-60bb-aceb-10ba-9768157a2a5a@gentoo.org>
Date:   Mon, 11 Feb 2019 00:08:32 +0100
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From: Kristian Fiskerstrand <k_f@gentoo.org>
Reply-To: k_f@gentoo.org
To: Domenico Andreoli <domenico.andreoli@linux.com>,
 Ben Finney <bignose@debian.org>
Cc: Nadia Yvette Chambers <nyc@holomorphy.com>,
 Arnaldo Carvalho de Melo <acme@redhat.com>, 919356@bugs.debian.org,
 debian-legal@lists.debian.org, linux-kernel@vger.kernel.org
Message-ID: <c3aa1b37-60bb-aceb-10ba-9768157a2a5a@gentoo.org>
Subject: Re: Licensing of include/linux/hash.h
References: <20190115170017.5gxarqxzfezgr5ld@dumbo>
 <20190123085000.fp7lhtjxcyzw3m4x@dumbo>
In-Reply-To: <20190123085000.fp7lhtjxcyzw3m4x@dumbo>

--UyJehXtQNT6n86xSQqb2xjfex2i2LyM4G
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: quoted-printable

On 1/23/19 9:50 AM, Domenico Andreoli wrote:
> Ben Finney <bignose@debian.org> writes:
>> Domenico Andreoli <cavok@debian.org> writes:
>>
>>>   the situation of dwarves-dfsg improved a lot over the weekend
>>
>> That's good to hear. What is the event you're referring to? Can you gi=
ve
>> a URL to something that describes this change?
>=20
> Upstream (in CC) reacted to my request of clarification and patches
> have been applied upstream and on Salsa. See bug 919356 [0] (please
> keep in CC).
>=20
>>> the only knot left is now the license of hash.h
>>>
>>> This file is also present in the kernel [0] with an updated copyright=

>>> but still without license.
>>
>> The file you show (in the Linux code base) seems likely to have an
>> equivalent implementation under a different license, from some other
>> code base.
>=20
> This will require research and work unlikely to be done before Buster
> release. Are we going to drop this package for now?
>=20
>>> I received a private email from somebody in the kernel community who
>>> already tried to contact Nadia in the past but did not get any reply.=

>>
>> Thank you also for contacting the Linux developers forum to ask
>> <URL:https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1900=
588.html>.
>=20
> (also in CC now)
>=20
>>> I think that pushing it to non-free is formally the right thing but I=

>>> actually feel it's not the right thing.
>>
>> To know that work (that file) is free software, we need a clear grant =
of
>> some specific license, for that work.
>>
>> If the work is not free, it would be incorrect to have the work in Deb=
ian.
>=20
> Is it possible that for the kernel it is instead correct because it is,=

> as whole, covered by its COPYING?
>=20
>> Alternatives, for complying with the Debian Free Software Guidelines w=
ith
>> this package, include:
>>
>> * Find a credible grant of license under some GPL-compatible free
>>   license to that exact file. Document that explicit grant in the Debi=
an
>>   package. This demonstrates the work is DFSG-free.
>>
>> * Convince =E2=80=98dwarves-dfsg=E2=80=99 upstream to replace that fil=
e with a different
>>   implementation (I don't know whether such an implementation exists)
>>   under a license compatible with the same version of GNU GPL. Documen=
t
>>   that explicit grant in the Debian package. This demonstrates the
>>   modified work is DFSG-free.
>=20
> Arnaldo, what priority would you give to this task?
>=20
>>
>> * Replace that file in Debian only, with a different implementation as=

>>   above. Document that explicit grant in the Debian package. This
>>   demonstrates the modified Debian package is DFSG-free.
>>
>> * Move the work to the =E2=80=98non-free=E2=80=99 area.
>>
>> * Remove the work altogether.
>>
>> Those are in descending order of (my recommended) preference.
>=20
> Thanks,
> Domenico
>=20
> [0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D919356
>=20

It was [pointed out] by one of our license group that [hash.h]  is the
same that has a GPL-2+ in [fio] which has a signed-off-by.

References:
[pointed out]
https://bugs.gentoo.org/677586#c1

[hash.h]
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/fio.git/commit/hash=
=2Eh?id=3Dbdc7211e190482f0c17c109a0d90834a6611be1c

[fio]
https://metadata.ftp-master.debian.org/changelogs/main/f/fio/fio_3.12-2_c=
opyright


--=20
Kristian Fiskerstrand
OpenPGP keyblock reachable at hkp://pool.sks-keyservers.net
fpr:94CB AFDD 3034 5109 5618 35AA 0B7F 8B60 E3ED FAE3


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