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

[Paolo Bonzini]

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.

Paolo