On 07/07/2015 16:06, Joerg Roedel wrote: > > I do not have any AMD machines that support an IOMMU, so I would like > > some help testing these patches. Thanks, > > What kind of testing do you want? Booting a guest with a device attached > is probably not sufficient, right? The guest should not take ages to boot, which is typical of messed-up MTRR/PAT. And if you add some actual usage of the attached device, it actually is sufficient. Even a simple ping test, or typing through a USB keyboard on a passed-through controller, is enough. 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