This is based on a cursory examination of [1], so I may be off-base. But Xen appears to rely on the host for many things that can be, and often are, hardware ac

This is based on a cursory examination of [1], so I may be off-base. But Xen appears to rely on the host for many things that can be, and often are, hardware accelerated in KVM. Searching for CONFIG_XEN_PVHVM, it doesn't appear to cover much. [1] https://github.com/torvalds/linux/blob/master/arch/x86/xen/ https://github.com/torvalds/linux/blob/master/arch/x86/xen/