Re: [Xen-ia64-devel] Question about evtchn_vector

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Mercredi 10 Mai 2006 09:23, Tian, Kevin a écrit :
> From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
>
> >Sent: 2006年5月10日 15:05
> >
> >Le Mercredi 10 Mai 2006 04:57, Tian, Kevin a écrit :
> >> From:Tristan Gingold
> >>
> >> >Sent: 2006年5月9日 23:22
> >> >
> >> >Hi,
> >> >
> >> >currently evtchn_vector is a field of vcpu_info.  I think it should be
> >> > a field of shared_info, because it is shared by every processor.
> >> > Comment ?
> >> >
> >> >Tristan.
> >>
> >> Yes, that vector is domain-wise. However do you really need put it
> >> into shared_info? Guest doesn't access this field directly, and how
> >> about moving it into arch_domain?
> >
> >Guest access it, to initialize it!
> >
> >Tristan.
>
> If only for initialization, you can pass that vector number in
> vcpu_guest_context which is used to setup initial guest context. Then
> save passed vector into arch_domain.evtchn_vector.
No, it is dom linux which setsit.  See evtchn_ia64.c

Tristan.

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