Re: [PATCH net-next v5 04/20] zinc: ChaCha20 x86_64 implementation
From: Thomas Gleixner
Date: Wed Sep 19 2018 - 02:13:54 EST
On Wed, 19 Sep 2018, Jason A. Donenfeld wrote:
> On Wed, Sep 19, 2018 at 12:30 AM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> > > +++ b/lib/zinc/chacha20/chacha20-x86_64-glue.h
> > > @@ -0,0 +1,100 @@
> > > +/* SPDX-License-Identifier: MIT
> > Please put that into a separate one liner comment. Also this should be
> > 'GPL-2.0[+] or MIT' I think.
> I had that originally, but changed it to just MIT, since MIT is a
> subset of GPL-2.0. And looking at tree repo, it appears this is what
> others do too.
Subset? Not really. Both MIT and BSD3-Clause are GPL2.0 compatible
licenses. And if your intention is to have those files MIT/BSD only, yes
then the single license identifier is the right thing. If you want it dual
licensed then it should be expressed there clearly.