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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7603DC77B72 for ; Sun, 16 Apr 2023 06:42:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230150AbjDPGmD (ORCPT ); Sun, 16 Apr 2023 02:42:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229582AbjDPGmA (ORCPT ); Sun, 16 Apr 2023 02:42:00 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D60A82D73; Sat, 15 Apr 2023 23:41:59 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 8649C67373; Sun, 16 Apr 2023 08:41:56 +0200 (CEST) Date: Sun, 16 Apr 2023 08:41:56 +0200 From: Christoph Hellwig To: Robin Murphy Cc: Christoph Hellwig , Linux regressions mailing list , LKML , Linux PCI , iommu@lists.linux.dev, baolu.lu@linux.intel.com Subject: Re: [regression] Bug 217218 - Trying to boot Linux version 6-2.2 kernel with Marvell SATA controller 88SE9235 Message-ID: <20230416064156.GA6410@lst.de> References: <20230328012231.GB21977@lst.de> <01c50370-002d-5e18-3edc-81c9527aedc9@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <01c50370-002d-5e18-3edc-81c9527aedc9@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 30, 2023 at 01:18:45PM +0100, Robin Murphy wrote: > FWIW "Marvell SATA" instantly makes me suspect the phantom function quirk. > What *should* happen is the IOMMU driver sees the PCI DMA aliases correctly > and sets up context entries for both 07.00.0 and 07.00.1, but it looks like > that may be what's gone awry. Looking at the bug report it seems this is device 9235, which doesn't need the DMA alias quirks.