From: David Woodhouse <dwmw2@infradead.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
m.smarduch@samsung.com,
"ksummit-discuss@lists.linuxfoundation.org"
<ksummit-discuss@lists.linuxfoundation.org>
Subject: Re: [Ksummit-discuss] Short topic: virtio vs IOMMU
Date: Mon, 26 Oct 2015 14:13:42 +0900 [thread overview]
Message-ID: <1445836422.3405.43.camel@infradead.org> (raw)
In-Reply-To: <20151026050450.GF27420@8bytes.org>
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On Mon, 2015-10-26 at 06:04 +0100, Joerg Roedel wrote:
> On Mon, Oct 26, 2015 at 01:48:02PM +0900, David Woodhouse wrote:
> > It would be useful to have an emulated IOMMU, full stop. And yeah, it
> > might actually make sense to *start* by using it for purely virtual
> > devices, [...]
>
> Sure, I think this is what qemu provides already, except for the virtio
> devices (which are also emulated). I think it would be cool to have
> virtio translated by the emulated iommu too (at least optional).
Oh, wow. I didn't realise we already had an IOMMU implemented in Qemu.
At first glance it looks like it doesn't support assigned devices...
has anyone looked at doing so?
--
dwmw2
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next prev parent reply other threads:[~2015-10-26 5:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-26 2:55 Andy Lutomirski
2015-10-26 4:31 ` David Woodhouse
2015-10-26 4:43 ` Joerg Roedel
2015-10-26 4:48 ` David Woodhouse
2015-10-26 5:04 ` Joerg Roedel
2015-10-26 5:13 ` David Woodhouse [this message]
2015-10-26 5:20 ` Joerg Roedel
2015-10-26 6:03 ` Andy Lutomirski
2015-10-26 4:38 ` Joerg Roedel
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