Re: [PATCH 8/8] kbuild, PCI: microchip: comment out MODULE_LICENSE in non-modules

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On 12 Feb 2023, Leon Romanovsky told this:

> On Fri, Feb 10, 2023 at 08:10:43PM +0000, Conor Dooley wrote:
>> On Fri, Feb 10, 2023 at 07:26:38PM +0000, Nick Alcock wrote:
>> > On 10 Feb 2023, Conor Dooley said:
>> > > FYI $subject seems wrong, this is a PCI patch AFAICT.
> <...>
>> > kbuild is present in every patch in the series because this is a
>> > kbuild-driven change (the thing it disturbs is part of the build system,
>> > the construction of modules.builtin*). This seems to be common practice
>> > for kbuild-related treewide changes.
>> Okay, I'll take your word for it. It just looked/looks odd to me!
> It looks odd to me too. Please add SPDX tag in modules which don't have
> it already, instead of commenting code.

Alas... nearly all of them *do* have it already, and in most cases it is
different. Usually not *very* different, but different. In most cases it
is more specific, e.g. drivers/soc/fujitsu/a64fx-diag.c, where we have
MODULE_LICENSE("GPL") but SPDX says it's GPL-2.0-only, but then there
are things like lib/packing.c, which throughout its history in the tree
has combined // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
and MODULE_LICENSE("GPL v2"); which are just not the same thing.

I commented the MODULE_LICENSEs out specifically because I wanted to
avoid getting into hundreds of simultaneous license flamewars while
trying to get *a different thing entirely* into the kernel (kallmodsyms,
which depends on modules.builtin.objs being correct).

I still don't want to get into hundreds of simultaneous license
flamewars, so I think I'll leave things commented out and let
individual maintainers decide whether they want to reconcile
contradictory info or not.

And if I'm not doing that, I feel I shouldn't really be adding SPDX
headers to files that lack them, given that I demonstrably cannot use
MODULE_LICENSE to tell me what the license is meant to be. But if we
can't rely on MODULE_LICENSE to specify the license, and it seems like
we can't, I'd say that it is truly redundant in those files that have
SPDXs, and should probably emit a series that removes MODULE_LICENSE
when files have SPDXes, and comments them out otherwise.

Does that sound reasonable to everyone?

NULL && (void)

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