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From: Jan Kiszka <jan.kiszka@web.de>
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Date: Tue, 24 May 2016 15:01:54 +0200
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Subject: Re: [Qemu-devel] [V11 3/4] hw/core: provision for overriding
 emulated IOMMU
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To: "Michael S. Tsirkin" <mst@redhat.com>, David Kiarie <davidkiarie4@gmail.com>
Cc: qemu-devel@nongnu.org, marcel@redhat.com, peterx@redhat.com, valentine.sinitsyn@gmail.com

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From: Jan Kiszka <jan.kiszka@web.de>
To: "Michael S. Tsirkin" <mst@redhat.com>,
 David Kiarie <davidkiarie4@gmail.com>
Cc: qemu-devel@nongnu.org, marcel@redhat.com, peterx@redhat.com,
 valentine.sinitsyn@gmail.com
Message-ID: <574450C2.2060805@web.de>
Subject: Re: [V11 3/4] hw/core: provision for overriding emulated IOMMU
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On 2016-05-24 13:49, Michael S. Tsirkin wrote:
> On Sun, May 22, 2016 at 01:21:53PM +0300, David Kiarie wrote:
>> Added an enum, subject to review, to machine properties which
>> it used to override iommu emulated from Intel to AMD.
>>
>> Signed-off-by: David Kiarie <davidkiarie4@gmail.com>
>=20
> Marcel's
>  "enable iommu with -device"
> seems like a better alternative.

If that works for both IOMMUs, it would be preferred. But the last time
I checked (granted: long ago), there were internal ordering issues
preventing this.

Bonus of moving IOMMU machine options over: They are getting more and
more, and many are now very IOMMU-specific (like the CM control for Intel=
).

Jan



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