Re: [Xen-devel] Blocking upcall to dom0

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 2 Mar 2005, at 04:12, Andrew Biggadike wrote:

> That's what I was originally thinking, but from Keir's first reply it
> seems that I can't arbitrarily block within Xen since stacks are 
> per-CPU
> rather than per-domain.
>
> I'd like to block within Xen and resume at that same point in Xen, not
> in the guest.  If I understand the flow of things correctly, then using
> an event channel and blocking will resume the domain from the guest's
> last execution context, rather than Xen's.  Please correct me if I'm
> wrong.
Yes that's right. So you want to block on communications that the guest 
is unaware of?
 -- Keir



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