Re: Request for contributor approval: Relicensing rseq selftests to MIT

[Mathieu Desnoyers]

On 2023-02-06 13:58, Mathieu Desnoyers wrote:
> On 2023-02-06 13:36, Mathieu Desnoyers wrote:
> > Hi,
> >
> > I would like to get contributor approval to relicense the rseq 
> > selftests within the Linux kernel and the librseq project to MIT. This 
> > will make it easier to use librseq from statically built applications, 
> > and I wish to continue sharing code between the kernel rseq selftests 
> > and librseq.
> >
> > Allowing use of rseq application headers from statically built 
> > applications was the intent from the beginning, but it turns out that 
> > having the rseq.c initialization code under LGPL2.1 makes it harder 
> > than it should be for users.
> >
> > The current contributor summary commit-wise under
> > tools/testing/selftests/rseq is:
> >
> >     269  Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
> >       6  Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> >       5  Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> >       3  Michael Jeanson <mjeanson@xxxxxxxxxxxx>
> >       3  Peter Oskolkov <posk@xxxxxxxxxx>
> >       2  Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
>
> I am having issues reaching Martin Schwidefsky. In this case it's a 
> one-liner
> contribution to a header which is going from LGPL2.1 OR MIT to MIT, 
> which is
> fine because it just removes one of the pre-allowed licenses, thus removing
> some redundancy.
>
> [ CCing Heiko Carstens ]

Trying with another email address for Heiko Carstens. Adding other s390 
maintainers as well.

Thanks,

Mathieu

> Rerefence:
>
> commit 3d4d1f05bc990f240d66b0ffaf7121397e14df19
> Author: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Date:   Mon Apr 29 11:27:58 2019 -0400
>
>      rseq/selftests: s390: use trap4 for RSEQ_SIG
>      Use trap4 as the guard instruction for the restartable sequence abort
>      handler.
>      Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
>      Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
>      Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
>
> Thanks,
>
> Mathieu
>
> >       1  Masahiro Yamada <masahiroy@xxxxxxxxxx>
> >       1  Paul Burton <paulburton@xxxxxxxxxx>
> >       1  Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
> >       1  Vasily Gorbik <gor@xxxxxxxxxxxxx>
> >       1  Vincent Chen <vincent.chen@xxxxxxxxxx>
> >       1  Will Deacon <will@xxxxxxxxxx>
> >       1  Xingxing Su <suxingxing@xxxxxxxxxxx>
> >
> > Header files are currently dual-licensed LGPL2.1/MIT, which is
> > somewhat redundant with plain MIT.
> >
> > rseq.c was licensed under LGPL2.1. Relicencing it to MIT will 
> > facilitate its integration into statically built applications.
> >
> > In order to facilitate eventual code sharing between tests and the
> > library implementation, I would like to relicense the tests from 
> > LGPL2.1 to MIT as well.
> >
> > Many of the contributions are trivial, but I prefer to kindly ask for 
> > approval nevertheless.
> >
> > Thanks,
> >
> > Mathieu

--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com