Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753167AbdHJVYR (ORCPT ); Thu, 10 Aug 2017 17:24:17 -0400 Received: from 8bytes.org ([81.169.241.247]:52546 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752800AbdHJVYQ (ORCPT ); Thu, 10 Aug 2017 17:24:16 -0400 Date: Thu, 10 Aug 2017 23:24:14 +0200 From: Joerg Roedel To: Sebastian Ott 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 Message-ID: <20170810212414.GE30515@8bytes.org> References: <1502274354-643-1-git-send-email-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 517 Lines: 19 Hi Sebastian, On Thu, Aug 10, 2017 at 09:07:06PM +0200, Sebastian Ott wrote: > 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... Thanks for testing and looking into the issue. Regards, Joerg