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From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 12 Jan 2018 10:21:48 +0000
Message-ID: <CAFEAcA9KMWkTOd4w-QD8fsFs4UQJaNC4PMwPtHVS54ZLhHT72A@mail.gmail.com>
Subject: Re: [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
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On 10 January 2018 at 11:25, Jean-Philippe Brucker
<jean-philippe.brucker@arm.com> wrote:
> Hi Peter,
>
> On 10/01/18 11:19, Peter Maydell wrote:
>> Are there uses that make it worthwhile to get virtio-1
>> support added to virtio-mmio, rather than just getting
>> people to move over to virtio-pci instead ?
>
> virtio-iommu uses virtio-mmio transport. It makes little sense to have an
> IOMMU presented as a PCI endpoint.

Having an entire transport just for the IOMMU doesn't make
a great deal of sense either though :-) If we didn't already
have virtio-mmio kicking around would we really have designed
it that way?

thanks
-- PMM