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Date: Tue, 6 Dec 2016 18:49:32 +0800
From: Peter Xu <peterx@redhat.com>
Message-ID: <20161206104932.GA3469@pxdev.xzpeter.org>
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Subject: Re: [Qemu-devel] [RFC PATCH 00/13] VT-d replay and misc cleanup
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To: qemu-devel@nongnu.org
Cc: tianyu.lan@intel.com, kevin.tian@intel.com, mst@redhat.com, jan.kiszka@siemens.com, bd.aviv@gmail.com, alex.williamson@redhat.com, jasowang@redhat.com, Paolo Bonzini <pbonzini@redhat.com>, David Gibson <david@gibson.dropbear.id.au>

On Tue, Dec 06, 2016 at 06:36:15PM +0800, Peter Xu wrote:
> This RFC series is a continue work for Aviv B.D.'s vfio enablement
> series with vt-d. Aviv has done a great job there, and what we still
> lack there are mostly the following:
> 
> (1) VFIO got duplicated IOTLB notifications due to splitted VT-d IOMMU
>     memory region.
> 
> (2) VT-d still haven't provide a correct replay() mechanism (e.g.,
>     when IOMMU domain switches, things will broke).
> 
> Here I'm trying to solve the above two issues.
> 
> (1) is solved by patch 7, (2) is solved by patch 11-12.

One thing to mention: this series is based on Aviv's series v6:

  https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg01452.html

I pushed an online branch for better reference:

  https://github.com/xzpeter/qemu/tree/vtd-vfio-enablement

Forgot to CC Paolo & DavidG. Adding in.

Thanks,

-- peterx