Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753017AbdHJTHO (ORCPT ); Thu, 10 Aug 2017 15:07:14 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:52015 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752751AbdHJTHM (ORCPT ); Thu, 10 Aug 2017 15:07:12 -0400 Date: Thu, 10 Aug 2017 21:07:06 +0200 (CEST) From: Sebastian Ott X-X-Sender: sebott@schleppi To: Joerg Roedel cc: Gerald Schaefer , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Joerg Roedel Subject: Re: [PATCH v3] iommu/s390: Add support for iommu_device handling In-Reply-To: <1502274354-643-1-git-send-email-joro@8bytes.org> References: <1502274354-643-1-git-send-email-joro@8bytes.org> User-Agent: Alpine 2.20 (LFD 67 2015-01-07) Organization: =?ISO-8859-15?Q?=22IBM_Deutschland_Research_&_Development_GmbH_=2F_Vorsitzende_des_Aufsichtsrats=3A_Martina_Koederitz_Gesch=E4ftsf=FChrung=3A_Dirk_Wittkopp_Sitz_der_Gesellschaft=3A_B=F6blingen_=2F_Registergericht?= =?ISO-8859-15?Q?=3A_Amtsgericht_Stuttgart=2C_HRB_243294=22?= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-TM-AS-GCONF: 00 x-cbid: 17081019-0040-0000-0000-000003CF9E5C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17081019-0041-0000-0000-000025CF288A Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-08-10_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=3 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1706020000 definitions=main-1708100301 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 364 Lines: 12 On Wed, 9 Aug 2017, Joerg Roedel wrote: > From: Joerg Roedel > > Add support for the iommu_device_register interface to make > the s390 hardware iommus visible to the iommu core and in > sysfs. > With this patch pci hot-unplug fails with a use after free or refcounting issue - I'm currently trying to understand what's going on... Sebastian