linux-kernel - Re: [PATCH v4] module: Rename EXPORT_SYMBOL_GPL_FOR_MODULES to EXPORT_SYMBOL_FOR

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Message-ID: <2472a139-064c-4381-bc6e-a69245be01df@kernel.org>
Date: Tue, 12 Aug 2025 09:54:43 +0200
From: Daniel Gomez <da.gomez@...nel.org>
To: Christian Brauner <brauner@...nel.org>, Vlastimil Babka <vbabka@...e.cz>
Cc: Christoph Hellwig <hch@...radead.org>,
 Peter Zijlstra <peterz@...radead.org>, David Hildenbrand <david@...hat.com>,
 Shivank Garg <shivankg@....com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
 Stephen Rothwell <sfr@...b.auug.org.au>, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org,
 linux-kbuild@...r.kernel.org, linux-fsdevel@...r.kernel.org,
 Nicolas Schier <nicolas.schier@...ux.dev>,
 Daniel Gomez <da.gomez@...sung.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Matthias Maennich <maennich@...gle.com>, Jonathan Corbet <corbet@....net>,
 Luis Chamberlain <mcgrof@...nel.org>, Petr Pavlu <petr.pavlu@...e.com>,
 Sami Tolvanen <samitolvanen@...gle.com>,
 Nathan Chancellor <nathan@...nel.org>,
 Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH v4] module: Rename EXPORT_SYMBOL_GPL_FOR_MODULES to
 EXPORT_SYMBOL_FOR_MODULES

On 11/08/2025 07.18, Christian Brauner wrote:
> On Fri, 08 Aug 2025 15:28:47 +0200, Vlastimil Babka wrote:
>> Christoph suggested that the explicit _GPL_ can be dropped from the
>> module namespace export macro, as it's intended for in-tree modules
>> only. It would be possible to restrict it technically, but it was
>> pointed out [2] that some cases of using an out-of-tree build of an
>> in-tree module with the same name are legitimate. But in that case those
>> also have to be GPL anyway so it's unnecessary to spell it out in the
>> macro name.
>>
>> [...]
> 
> Ok, so last I remember we said that this is going upstream rather sooner
> than later before we keep piling on users. If that's still the case I'll
> take it via vfs.fixes unless I hear objections.

This used to go through Masahiro's kbuild tree. However, since he is not
available anymore [1] I think it makes sense that this goes through the modules
tree. The only reason we waited until rc1 was released was because of Greg's
advise [2]. Let me know if that makes sense to you and if so, I'll merge this
ASAP.

Link: https://lore.kernel.org/all/CAK7LNAQW8b_HEQhWBzaQSPy=qDmKkqz6URtpJ+BYG8eq-sWRwA@mail.gmail.com/ [1]
Link: https://lore.kernel.org/all/2025072219-dollhouse-margarita-de67@gregkh/ [2]