[RFC/RFT PATCH 0/3] arm64: KVM: work around incoherency with uncached guest mappings

[Paolo Bonzini]

On 04/03/2015 18:28, Catalin Marinas wrote:
>> > 
>> > Can you add that property to the device tree for PCI devices too?
> Yes but not with mainline yet:
> 
> http://thread.gmane.org/gmane.linux.kernel.iommu/8935
> 
> We can add the property at the PCI host bridge level (with the drawback
> that it covers all the PCI devices), like here:

Even covering all PCI devices is not enough if we want to support device
assignment of PCI host devices.  I'd rather not spend effort on a
solution that we know will only half-work a few months down the road.

Paolo

> Documentation/devicetree/bindings/pci/xgene-pci.txt