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Date: Thu, 11 Oct 2012 17:34:15 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] [RFC v1 7/7] vhost: abort if an emulated iommu is
	used
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To: Avi Kivity <avi@redhat.com>
Cc: qemu-devel@nongnu.org, liu ping fan <qemulist@gmail.com>, Blue Swirl <blauwirbel@gmail.com>, Alex Williamson <alex.williamson@redhat.com>, Anthony Liguori <anthony@codemonkey.ws>, Paolo Bonzini <pbonzini@redhat.com>

On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
> 
> >> No, qemu should configure virtio devices to bypass the iommu, even if it
> >> is on.
> > 
> > Okay so there will be some API that virtio devices should call
> > to achieve this?
> 
> The iommu should probably call pci_device_bypasses_iommu() to check for
> such devices.

So maybe this patch should depend on the introduction of such
an API.

> -- 
> error compiling committee.c: too many arguments to function