On 14/04/2016 15:33, Radim Krčmář wrote: > The main bug in KVM is that it allows the guest to think that it runs on > CPU that isn't emulated: any CPU that has MSR_PLATFORM_INFO shouldn't > be exposed in KVM. That's all of them. f/m/s values and the model name are a useful debugging tool. Considering that MSR_PLATFORM_INFO is hardly ever used, it doesn't seem to be a great compromise. The actual question is why the hell a graphics driver cares about it. Paolo > Incorrect use of CPU also is a userspace problem, so > KVM could just pass this MSR for emulation to userspace. > (Passing to userspace won't directly fix your problem, though) -- 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