linux-kernel - Re: [PATCH v10 1/2] LICENSES: Add the copyleft-next-0.3.1 license

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Message-ID: <202210010804.206AED744@keescook>
Date:   Sat, 1 Oct 2022 08:08:12 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     tglx@...utronix.de, gregkh@...uxfoundation.org,
        akpm@...ux-foundation.org, shuah@...nel.org, joe@...ches.com,
        rostedt@...dmis.org, linux-spdx@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Goldwyn Rodrigues <rgoldwyn@...e.com>,
        Kuno Woudt <kuno@...b.nl>,
        Richard Fontana <fontana@...rpeleven.org>,
        copyleft-next@...ts.fedorahosted.org,
        Ciaran Farrell <Ciaran.Farrell@...e.com>,
        Christopher De Nicolo <Christopher.DeNicolo@...e.com>,
        Christoph Hellwig <hch@....de>,
        Jonathan Corbet <corbet@....net>,
        Thorsten Leemhuis <linux@...mhuis.info>
Subject: Re: [PATCH v10 1/2] LICENSES: Add the copyleft-next-0.3.1 license

On Tue, Sep 13, 2022 at 11:01:46PM -0700, Luis Chamberlain wrote:
> Add the full text of the copyleft-next-0.3.1 license to the kernel
> tree as well as the required tags for reference and tooling.
> The license text was copied directly from the copyleft-next project's
> git tree [0].
> 
> Discussion of using copyleft-next-0.3.1 on Linux started since June,
> 2016 [1]. In the end Linus' preference was to have drivers use
> MODULE_LICENSE("GPL") to make it clear that the GPL applies when it
> comes to Linux [2]. Additionally, even though copyleft-next-0.3.1 has
> been found to be to be GPLv2 compatible by three attorneys at SUSE and
> Redhat [3], to err on the side of caution we simply recommend to
> always use the "OR" language for this license [4].

IANA copyright lawyer, but the use of "OR" seems sensible to me, and I
see no reason to NOT add this license.

> [...]
>  LICENSES/dual/copyleft-next-0.3.1 | 236 ++++++++++++++++++++++++++++++
> [...]
> +SPDX-URL: https://spdx.org/licenses/copyleft-next-0.3.1

The contents[1] of this license match the patch.

Reviewed-by: Kees Cook <keescook@...omium.org>

-Kees

[1] https://raw.githubusercontent.com/copyleft-next/copyleft-next/master/Releases/copyleft-next-0.3.1

-- 
Kees Cook