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Date: Thu, 21 Sep 2017 15:49:33 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Marcelo Tosatti <mtosatti@...hat.com> Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [patch 2/3] KVM: x86: KVM_HC_RT_PRIO hypercall (host-side) 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
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