Re: [Xen-devel] mapped memory delay?

[Jacob Gorm Hansen <jacobg@xxxxxxx>]

Xin Zhao wrote:
> I ran into the following problem:
>
> I setup a shared ring page and an event channel between two domains (dom0
> and one domU), DomU increases req_prod by one and notify the dom0 via the
> event channel, dom0 then check req_prod pointer and process the request in
> the shared ring. But I noticed that sometimes dom0 get the irq triggered
> by the notification event, but the req_prod remains the same. This
> situation only happened occasionally.
hi,

I would like to do the same thing, right now I have shared mem between 
domU and dom0, but no good syncronization. Is there an example somewhere 
of how to do this in the new xcs world? It should be easier now that 
this code has been separated out, right?
thanks,
Jacob


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