From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6B0E2045B7; Mon, 29 Sep 2025 08:56:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759136195; cv=none; b=M6ww0H4PD2gfxQooBH146UslzJiLyvtFcjJvUBltrbWrX5ZwkuYp4md3c6BQRWCBbeUom/6GzIz6AKLvDXMToLjZq+QP+swuV8cHqzExGggMMt4CxEQK4Cas8vzXwHpLpguMNSF4sQ98AM9A1VQQQg4mpU/BXJAbiBGIQgKNlP4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759136195; c=relaxed/simple; bh=ae5nf/2ulTFGr40DaWU8qznNB7MHcDdaiOtwnoNEP5I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Bpr1MJYN9PQyFLqNQknqF/8DUPoXy8HX0/5zQvaAzXg9/PsJbNXdTWJ0Qw3jvlU8dH5cL4XzgAVwrtGeypIEothPFbgi/HM8nqf+jgvEQfj/t5/wNGBYLT1wH1lb6aW312Uq5nWCaYx21w2QlST7Zu/2NZ1yyrBBLXy8Z3+HxUM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Gwtrv46Z; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Gwtrv46Z" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=5RLyKFm4jgkZLyCw57ehihBsj/peM8c/q1zO/wcZ87g=; b=Gwtrv46ZtYa7Hznfg8/cNCvLhg d1ztE/AZ6uW5BQC26hBLrk0J1Q/o6YElZu4Kgbn+QRBmq8de+buG4cpE5tXkPbl0XUp48d71c5Tm2 NRJEba0mQ15/9JnRSlIhH8Rm6m3nKDM7x+X/i+c5/hDlo0qw9J4igZhjBlVn300bshhjZeSVFXcsd 2hbcWS6xZP7PmFfXRCVrALhUvinh4tR3mdDIzqGsp4AKRcAp1ETQ6oFAuJ225cQ/J1zXfRNrsRNGK 4ottAuC74oP6TWT3Ve8uq+LwhsBO/VKhoVGKLFb1hKCXsLlkYSqh2J8dfq6CMpm+Mq3Owbm+jpG6F alNJ9cEg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1v39gO-00000001qe5-1y6t; Mon, 29 Sep 2025 08:56:32 +0000 Date: Mon, 29 Sep 2025 01:56:32 -0700 From: Christoph Hellwig To: Brian Norris Cc: Christoph Hellwig , Bjorn Helgaas , Luis Chamberlain , Petr Pavlu , Daniel Gomez , linux-pci@vger.kernel.org, David Gow , Rae Moar , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, Johannes Berg , Sami Tolvanen , Richard Weinberger , Wei Liu , Brendan Higgins , kunit-dev@googlegroups.com, Anton Ivanov , linux-um@lists.infradead.org Subject: Re: [PATCH 0/4] PCI: Add support and tests for FIXUP quirks in modules Message-ID: References: <20250912230208.967129-1-briannorris@chromium.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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.