Re: [PATCHv2 2/9] KVM: Expose a version 2 architectural PMU to aguests

From: Avi Kivity
Date: Mon Nov 07 2011 - 10:25:34 EST


On 11/07/2011 05:19 PM, Gleb Natapov wrote:
> >
> > note, this needs a fairly huge PMI skew to happen.
> >
> No, it need not. It is enough to get exit reason as hlt instead of nmi
> for a vcpu to go to blocking state instead of reentering guest mode.
> Note that we do not check request flags in kvm_arch_vcpu_runnable().

Right.

If we had a guarantee about the maximum skew, we could add a check for
KVM_REQ_PMI in kvm_vcpu_block().

--
error compiling committee.c: too many arguments to function

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