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Message-ID: <20181123075157.077758c0@coco.lan>
Date: Fri, 23 Nov 2018 07:51:57 -0200
From: Mauro Carvalho Chehab <mchehab@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-media@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
Alexandre Courbot <acourbot@...omium.org>,
Hans Verkuil <hverkuil@...all.nl>,
Hans Verkuil <hans.verkuil@...co.com>,
Greg KH <gregkh@...uxfoundation.org>,
Kate Stewart <kstewart@...uxfoundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Ben Hutchings <ben@...adent.org.uk>
Subject: Re: [PATCHv18 01/35] Documentation: v4l: document request API
Thomas,
Ping. Would the patch below work for you?
Regards,
Mauro
Em Sun, 18 Nov 2018 11:52:15 -0200
Mauro Carvalho Chehab <mchehab@...nel.org> escreveu:
> Hi Thomas,
>
> Em Mon, 12 Nov 2018 11:06:43 -0800 (PST)
> Thomas Gleixner <tglx@...utronix.de> escreveu:
>
> > Folks,
> >
> > On Tue, 14 Aug 2018, Hans Verkuil wrote:
> > > From: Alexandre Courbot <acourbot@...omium.org>
> > >
> > > Document the request API for V4L2 devices, and amend the documentation
> > > of system calls influenced by it.
> > >
> > > Signed-off-by: Alexandre Courbot <acourbot@...omium.org>
> > > Signed-off-by: Hans Verkuil <hans.verkuil@...co.com>
> > > Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
> >
> > > @@ -0,0 +1,65 @@
> > > +.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> >
> > It's nice that you try to use SPDX identifiers, but this is absolutely not
> > how it works.
> >
> > We went great length to document how SPDX identifiers are to be used and
> > checkpatch emits a warning on this patch as well.
> >
> > WARNING: 'SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections' is not supported in LICENSES/...
> >
> > It's well documented that the license text including metadata needs to be
> > available in LICENSES.
> >
> > What you are doing here is just counterproductive. The SPDX work is done to
> > help automated license compliance. But the SPDX id above is broken and will
> > let tools fail.
> >
> > Even if we add the GFDL1.1 to LICENSES, it's still broken because there is
> > no such exception 'no-invariant-section' and no, we are not going to create
> > it just in the kernel without having sorted that with the SPDX folks first.
>
> I know, and, after talking with Kate about that, I actually opened a SPDX
> issue in Aug, 30:
>
> https://github.com/spdx/license-list-XML/issues/686
>
> Btw, this is just the tip of the iceberg: I have another patchset pending
> adding the GFDL license to LICENSES and doing some changes that are
> required for Debian to be able to package the Kernel documentation:
>
> https://git.linuxtv.org/mchehab/experimental.git/log/?h=doc_license
>
> It starts with Ben's patch:
> "Documentation/media: uapi: Explicitly say there are no Invariant Sections"
>
> And tag media docs with SPDX headers.
>
> > Mauro, you wrote yourself in a reply to this patch:
> >
> > > Mental note: we'll need to push the no-invariant-sections upstream
> > > before merging this there.
> >
> > and then you went and applied it nevertheless without talking to anyone who
> > is involved with that SPDX effort of cleaning up the kernels licensing mess.
>
> Sorry, I ended by sleeping on this. This specific patch was on a separate
> topic branch. I completely forgot that this was waiting for SPDX committee
> feedback about how to use GFDL.
>
> > I'm grumpy about that particularly because you are the first person who
> > complains about legal implications which might affect you.
> >
> > But then you go and just ignore process and legal implications and push the
> > crap into mainline.
> >
> > Please get this sorted ASAP.
>
> It would be great to have an ETA from SPDX about how long they'll
> take to solve this issue. It has been about 2,5 months without
> any concrete way about how we should address it.
>
> I really don't want to add new documents at the media uAPI stuff
> (with is GFDL due to historical reasons) without make them also
> GPL. On the other hand, freezing API submissions to the media
> subsystem just due to the lack of proper SPDX support for GFDL
> seems plain wrong.
>
> Perhaps one workaround would be to explicitly not using the
> SPDX-License-Identifier, adding a longer licensing text that could
> later be replaced by a SPDX license (if they ever figure out how
> GFDL without invariants sections should be used). Something like:
>
>
> .. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> ..
> .. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> ..
> .. For GFDL-1.1-or-later, see:
> ..
> .. Permission is granted to copy, distribute and/or modify this document
> .. under the terms of the GNU Free Documentation License, Version 1.1 or
> .. any later version published by the Free Software Foundation, with no
> .. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> .. A copy of the license is included at
> .. Documentation/media/uapi/fdl-appendix.rst.
>
> Will that work for you?
>
> If so, the patch solving the current issue is enclosed.
>
> I'll rebase my other SPDX patchset to use the same solution after
> we have an agreement on this.
>
> Thanks,
> Mauro
>
> media: mediactl docs: don't use SPDX for GFDL
>
> There is an open issue for using GFDL without invariant sections:
>
> https://github.com/spdx/license-list-XML/issues/686
>
> So far, no progress.
>
> While we don't have it, we can't really use SPDX identifiers on media.
> So, replace them by a license text.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
>
> diff --git a/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst b/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
> index 0f8b31874002..60874a1f3d89 100644
> --- a/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
> +++ b/Documentation/media/uapi/mediactl/media-ioc-request-alloc.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _media_ioc_request_alloc:
>
> diff --git a/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst b/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
> index 6dd2d7fea714..3f481256f75a 100644
> --- a/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
> +++ b/Documentation/media/uapi/mediactl/media-request-ioc-queue.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _media_request_ioc_queue:
>
> diff --git a/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst b/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
> index febe888494c8..d9c4d308b477 100644
> --- a/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
> +++ b/Documentation/media/uapi/mediactl/media-request-ioc-reinit.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _media_request_ioc_reinit:
>
> diff --git a/Documentation/media/uapi/mediactl/request-api.rst b/Documentation/media/uapi/mediactl/request-api.rst
> index 5f4a23029c48..7a85b346db91 100644
> --- a/Documentation/media/uapi/mediactl/request-api.rst
> +++ b/Documentation/media/uapi/mediactl/request-api.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _media-request-api:
>
> diff --git a/Documentation/media/uapi/mediactl/request-func-close.rst b/Documentation/media/uapi/mediactl/request-func-close.rst
> index 098d7f2b9548..c85275a8870c 100644
> --- a/Documentation/media/uapi/mediactl/request-func-close.rst
> +++ b/Documentation/media/uapi/mediactl/request-func-close.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _request-func-close:
>
> diff --git a/Documentation/media/uapi/mediactl/request-func-ioctl.rst b/Documentation/media/uapi/mediactl/request-func-ioctl.rst
> index ff7b072a6999..8b69465bd2dd 100644
> --- a/Documentation/media/uapi/mediactl/request-func-ioctl.rst
> +++ b/Documentation/media/uapi/mediactl/request-func-ioctl.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _request-func-ioctl:
>
> diff --git a/Documentation/media/uapi/mediactl/request-func-poll.rst b/Documentation/media/uapi/mediactl/request-func-poll.rst
> index 85191254f381..8f58f9948cb6 100644
> --- a/Documentation/media/uapi/mediactl/request-func-poll.rst
> +++ b/Documentation/media/uapi/mediactl/request-func-poll.rst
> @@ -1,4 +1,15 @@
> -.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
> +.. SPDX License for this file: GPL-2.0 OR GFDL-1.1-or-later
> +..
> +.. For GPL-2.0, see LICENSES/preferred/GPL-2.0
> +..
> +.. For GFDL-1.1-or-later, see:
> +..
> +.. Permission is granted to copy, distribute and/or modify this document
> +.. under the terms of the GNU Free Documentation License, Version 1.1 or
> +.. any later version published by the Free Software Foundation, with no
> +.. Invariant Sections, no Front-Cover Texts and no Back-Cover Texts.
> +.. A copy of the license is included at
> +.. Documentation/media/uapi/fdl-appendix.rst.
>
> .. _request-func-poll:
>
>
Thanks,
Mauro
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