From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752992Ab1JUWkG (ORCPT ); Fri, 21 Oct 2011 18:40:06 -0400 Received: from mga11.intel.com ([192.55.52.93]:7335 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750884Ab1JUWkE (ORCPT ); Fri, 21 Oct 2011 18:40:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.69,388,1315206000"; d="p7s'?scan'208";a="80553974" From: "Woodhouse, David" To: Alex Williamson CC: "joerg.roedel@amd.com" , "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" , "chrisw@redhat.com" , "agraf@suse.de" , "dwg@au1.ibm.com" , "scottwood@freescale.com" , "B08248@freescale.com" , "benh@kernel.crashing.org" Subject: Re: [PATCH 0/4] iommu: iommu_ops group interface Thread-Topic: [PATCH 0/4] iommu: iommu_ops group interface Thread-Index: AQHMkDa8KTl/SKFL50GwhA0l2JgBA5WHU4cA Date: Fri, 21 Oct 2011 22:39:59 +0000 Message-ID: <1319236798.6495.1.camel@shinybook.infradead.org> References: <20111021195412.8438.9951.stgit@s20.home> <1319229248.19448.6.camel@shinybook.infradead.org> <1319231795.19108.22.camel@bling.home> In-Reply-To: <1319231795.19108.22.camel@bling.home> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Content-Type: multipart/signed; micalg=sha1; protocol="application/x-pkcs7-signature"; boundary="=-3AQrzVxw0VReJU/PvWQz" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-3AQrzVxw0VReJU/PvWQz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2011-10-21 at 15:16 -0600, Alex Williamson wrote: >=20 >=20 > drivers/pci/quirks.c: int pci_iommu_group_mf_quirk(struct pci_dev *) >=20 > That's used just like iommu_group_mf to always blacklist specific > devices. Let me know VID/DID if you have them. Thanks,=20 Don't remember the ID offhand, but there are reports in Red Hat bugzilla of Ricoh multifunction devices on some (HP, I think) laptops which cause streams of DMA errors unless the sdhci driver is blacklisted... --=20 Sent with MeeGo's ActiveSync support. 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