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xen-devel
Re: [Xen-devel] [PATCH][v2] Hybrid extension support in Xen
On Tue, 2010-02-02 at 16:31 +0000, Sheng Yang wrote:
>
> > I just meant that you should enable evtchn mode at the point at
> which
> > the guest tries to use event channels and not in some specific
> "enable
> > hybrid mode call", similarly for PV-timer mode etc.
> >
> > Of course that presupposes that event channels and APIC etc are
> mutually
> > exclusive, which I don't think is a given.
>
> I would give it try. Seems I need to bind tsc offset clean in event
> channel binding hypercall(if I didn't introduce another hypercall),
> sounds a little messy.
I guess to clarify what I really meant was in the code which enables the
PV timer for a domain, rather than specifically in the event channel
hypercall which implements the binding to the timer evtchn. I'm not sure
if enabling the timer is a separate hypercall or is just a side effect
of binding to the evtchn.
Ian.
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