Re: [PATCH v3 00/17] KVM: Add Xen event channel acceleration

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On Tue, 2022-03-08 at 18:54 +0100, Paolo Bonzini wrote:
> In the first case the timer has expired and the event has been injected 
> by the time the state is retrieved, so you'd get a double event.
> 
> In the second the timer expires and the event is injected _on the 
> source_  only.  This is required because, if the destination for 
> whatever reason aborts the migration, your change would introduced a 
> missed event.

True. I'll change it to use hrtimer_active(). But first I'll
concentrate on the one that was *really* the cause of the bug I've been
chasing today.

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