Re: [PATCH] LICENSES: Explicitly allow SPDX-FileCopyrightText
From: Greg Kroah-Hartman
Date: Wed Jan 07 2026 - 17:03:03 EST
On Wed, Jan 07, 2026 at 10:40:11AM -0800, Joe Perches wrote:
> On Wed, 2026-01-07 at 18:12 +0100, Krzysztof Kozlowski wrote:
> > Sources already have SPDX-FileCopyrightText (~40 instances) and more
> > appear on the mailing list, so document that it is allowed. On the
> > other hand SPDX defines several other tags like SPDX-FileType, so add
> > checkpatch rule to narrow desired tags only to two of them - license and
> > copyright. That way no new tags would sneak in to the kernel unnoticed.
>
> I find no value in this tag. I think it should be discouraged.
>
> How is it different or more useful than a typical Copyright or © symbol ?
It's easier to parse automatically and put into other places (like a
software bill of materials).
I don't like it all that much either, as really, it doesn't mean much
(go talk to a lawyer for details), but it's already in our tree so we
might as well document it...
thanks,
greg k-h