On 21/09/2017 15:32, Konrad Rzeszutek Wilk wrote: > So the guest can change the scheduling decisions at the host level? > And the host HAS to follow it? There is no policy override for the > host to say - nah, not going to do it? > > Also wouldn't the guest want to always be at SCHED_FIFO? [I am thinking > of a guest admin who wants all the CPU resources he can get] Yeah, I do not understand why there should be a housekeeping VCPU that is running at SCHED_NORMAL. If it hurts, don't do it... Paolo