Common Configuration: Xen 3.5-unstable with Intel supplied VGA passthrough patches
VGA passthrough status: nVidia GeForce 8400 GS PCI Express x16 graphics card fully passed through
Case #1: Jeremy's Fitzhardinge's pvops dom 0 kernel 2.6.30-rc3
Case #2: Jeremy Fitzhardinge's pvops dom 0 kernel 2.6.31-rc6
Observation: The above benchmark results show that Windows XP Home Edition 32-bit HVM guest operating system runs faster in 2.6.30-rc3 than 2.6.31-rc6. All services which could have affected the performance of Win XP domU have been stopped in Dom 0.