Re: [Qemu-devel] [RFC/RFT PATCH v2 0/3] KVM: Introduce KVM_MEM_UNCACHED

[Christoffer Dall]

On Thu, May 14, 2015 at 01:31:03PM +0200, Paolo Bonzini wrote:
> 
> 
> On 14/05/2015 13:29, Christoffer Dall wrote:
> > > (It's probably worth looking at the documentation in the first hunk too,
> > > under the commit message.)
> > 
> > Why is this a hack/unintuitive?  Is the semantics of the QEMU PCI bus
> > not simply that MMIO regions are coherent?
> 
> Only until device assignment gets into the picture.
> 
Will UEFI have to deal with device assignment in any respect?

-Christoffer