Re: [PATCH v2 1/1] video_video: Add the Virtio Video V4L2 driver

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> > diff --git a/include/uapi/linux/virtio_video.h b/include/uapi/linux/virtio_video.h
> > new file mode 100644
> > index 000000000000..0dd98a2237c6
> > --- /dev/null
> > +++ b/include/uapi/linux/virtio_video.h
> > @@ -0,0 +1,469 @@
> > +/* SPDX-License-Identifier: GPL-2.0+ */
>
> I suspect it's not expected to use GPL licence without exceptions in a
> UAPI header file:
> https://www.kernel.org/doc/html/v5.4/process/license-rules.html
>
> If GPL is used here, only GPL user programs can include this header
> file, can't they?
> So, can we use BSD licence like other virtio headers (e.g. virtio_gpu.h)?
>
> Note that I found this program when running
> /scripts/headers_install.sh. Though it suggested to add "WITH
> Linux-syscall-note", it shouldn't be the case because this header
> doesn't provide syscall interface.
>
> Best regards,
> Keiichi
>
> > +/*
> > + * Virtio Video Device
> > + *
> > + * This header is BSD licensed so anyone can use the definitions
> > + * to implement compatible drivers/servers:
> > + *

Ah, this line says this header is BSD licensed.
So, the SPDX-License-Identifier above should be simply wrong.

Best regards,
Keiichi



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