On Wed, Aug 17, 2011 at 05:28:46PM -0700, Avi Kivity wrote:
> On 08/17/2011 05:25 PM, Paul E. McKenney wrote:
> >> >
> >> Wouldn't scheduling-clock interrupt kick vcpu out of a guest mode much
> >> earlier then 30 seconds?
> >
> >The scheduling-clock interrupt would happen, but I do not know whether
> >or not it would kick the vcpu out of guest mode in such a way that
> >would result in RCU thinking that the CPU has passed through a quiescent
> >state.
> >
>
> The result can only be one of
>
> reenter guest (and rcu_virt_note_context_switch)
> schedule()
> exit to userspace
Very good, thank you both for bearing with me on this!
Thanx, Paul
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