From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH v3] iommu/s390: Add support for iommu_device handling
Date: Thu, 10 Aug 2017 23:24:14 +0200
Message-ID: <20170810212414.GE30515@8bytes.org>
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To: Sebastian Ott <sebott-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Gerald Schaefer <gerald.schaefer-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
List-Id: iommu@lists.linux-foundation.org

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 <jroedel-l3A5Bk7waGM@public.gmane.org>
> > 
> > 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