For network and storage at least, Amazon says that their HVM guests use PV drivers according to this page: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/i

For network and storage at least, Amazon says that their HVM guests use PV drivers according to this page: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-... but on this page, they don't say that specifically, but mention the possibility in the PV on HVM section: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/virtualization_types.html http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/virtualiz... Perhaps/presumably it also depends on the AMI you're using.