From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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.lore.kernel.org (Postfix) with ESMTPS id 87A90C433EF for ; Wed, 15 Dec 2021 17:48:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A3iZMRQwalhVJ4mQ5YCtz6GTneT2lN9xrOgnOXctHYQ=; b=Qy7LoW0YHXYqLw mp82jhzlW1USmJLn2eGcf5hbfiPV/oQe2d/2EjSK9LiNSQtY5EE4lA6gk4X77tI9dbUWNZKUdP09Z iFhy4Ce/Ptet+YR0Rz2KVpCMFF2F8qVZT5pWuFkOuAS+Z6BayuoV7zVh0qWm/RBu5k7+RQcuXL0Va +iHCVGXciYe57wxedpUz6H0VvWB5JtdSUiks+J7dKsOTKrI1Ca3Vysm+Zw9KlOMyIiGW7cTIxiGrH 4SLe/5eFBKbJlRBF46tvDwCKVj8HGpvIvNWEOJ6a7DY7O1/Vu0B5eXWBA2nko7ICgvZ1HY8MuWXdb oJMSCDAAbn3sYpOQ4iew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxYMg-00295s-Pj; Wed, 15 Dec 2021 17:46:54 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxYMd-00294D-49 for linux-arm-kernel@lists.infradead.org; Wed, 15 Dec 2021 17:46:52 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 26215B8204D; Wed, 15 Dec 2021 17:46:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3895EC36AE0; Wed, 15 Dec 2021 17:46:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1639590408; bh=oVAWRtkVhyLVewrr96Eqb3xtvZVqpmLF7lafQtqO6io=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RDn0d3Wgo9MrkKkAlhFp4clsP7kYBq6OP2oGHpB+ZI+/t6B5qJsnoCzurjsB46fWy AoK6Or0D4ayB4bHwvQH/ebEEdMkczC3evphKuABc44ElX4jTf+p1dRuhuUK9c1usOI gwGgUwjsoCjjzpzu2MRgkv/yDC8qQwbLbyooW/C4= Date: Wed, 15 Dec 2021 18:46:45 +0100 From: Greg Kroah-Hartman To: Thomas Gleixner Cc: LKML , Bjorn Helgaas , Marc Zygnier , Alex Williamson , Kevin Tian , Jason Gunthorpe , Megha Dey , Ashok Raj , linux-pci@vger.kernel.org, Cedric Le Goater , Bjorn Helgaas , Juergen Gross , xen-devel@lists.xenproject.org, Arnd Bergmann , Michael Ellerman , Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, Stuart Yoder , Laurentiu Tudor , Nishanth Menon , Tero Kristo , Santosh Shilimkar , linux-arm-kernel@lists.infradead.org, Vinod Koul , dmaengine@vger.kernel.org, Mark Rutland , Will Deacon , Robin Murphy , Joerg Roedel , iommu@lists.linux-foundation.org, Jassi Brar , Peter Ujfalusi , Sinan Kaya Subject: Re: [patch V4 09-02/35] PCI/MSI: Allocate MSI device data on first use Message-ID: References: <20211210221642.869015045@linutronix.de> <20211210221813.740644351@linutronix.de> <87tuf9rdoj.ffs@tglx> <87r1adrdje.ffs@tglx> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <87r1adrdje.ffs@tglx> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211215_094651_339472_D6C6003C X-CRM114-Status: GOOD ( 11.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Dec 15, 2021 at 06:19:49PM +0100, Thomas Gleixner wrote: > Allocate MSI device data on first use, i.e. when a PCI driver invokes one > of the PCI/MSI enablement functions. > > Add a wrapper function to ensure that the ordering vs. pcim_msi_release() > is correct. > > Signed-off-by: Thomas Gleixner Reviewed-by: Greg Kroah-Hartman _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel