linux-kernel - Re: [PATCH 0/4] PCI: Add support and tests for FIXUP quirks in modules

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Message-ID: <aNpJwH1gSZFedysz@infradead.org>
Date: Mon, 29 Sep 2025 01:56:32 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Brian Norris <briannorris@...omium.org>
Cc: Christoph Hellwig <hch@...radead.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Daniel Gomez <da.gomez@...nel.org>, linux-pci@...r.kernel.org,
	David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-modules@...r.kernel.org,
	Johannes Berg <johannes@...solutions.net>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Richard Weinberger <richard@....at>, Wei Liu <wei.liu@...nel.org>,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	kunit-dev@...glegroups.com,
	Anton Ivanov <anton.ivanov@...bridgegreys.com>,
	linux-um@...ts.infradead.org
Subject: Re: [PATCH 0/4] PCI: Add support and tests for FIXUP quirks in
 modules

On Mon, Sep 22, 2025 at 11:48:38AM -0700, Brian Norris wrote:
> On Mon, Sep 22, 2025 at 11:13:39AM -0700, Christoph Hellwig wrote:
> > Controller drivers are a special case I guess, but I'd rather still
> > not open it up to any random driver.
> 
> I don't really see why this particular thing should develop restrictions
> beyond "can it work in modules?", but if you have an idea for how to do
> that reasonably, my ears are open.

PCI Controller seem pretty special in that they provide infrastructure.