On 11/04/2016 08:21, Eli Britstein wrote: > I thought maybe the reason is that this memory is seen by the VM as a > mapped PCI memory region, so it is not cached, KVM actually overrides the type of the memory region and always makes it cached. Can you try sending the "lspci -vv" output? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html