Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC

[Michael S. Tsirkin]

On Thu, Nov 18, 2010 at 06:18:06PM +0200, Avi Kivity wrote:
> >But for PV devices, we can be loose in how we define the way the
> >devices interact with the rest of the system.  For instance, we
> >can say that virtio-pci devices are directly connected to RAM and
> >do not go through the memory controllers.  That means we could get
> >stable mappings of the virtio ring.
> 
> That wouldn't work once we have an iommu and start to assign them to
> nested guests.

Yea. Not sure whether I'm worried about that though.
Mixing in all the problems inherent in nested virt, PV and assigned
devices seems especially masochistic.

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