Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

[Avi Kivity]

On 06/01/2010 01:46 PM, Michael S. Tsirkin wrote:
> > Since vfio would be the only driver, there would be no duplication.  But
> > a separate object for the iommu mapping is a good thing.  Perhaps we can
> > even share it with vhost (without actually using the mmu, since vhost is
> > software only).
> >      
> Main difference is that vhost works fine with unlocked
> memory, paging it in on demand. iommu needs to unmap
> memory when it is swapped out or relocated.
>
>    

So you'd just take the memory map and not pin anything.  This way you 
can reuse the memory map.

But no, it doesn't handle the dirty bitmap, so no go.

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

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