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Re: [Xen-devel] Handle for events?


  • To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
  • From: "Srujan D. Kotikela" <ksrujandas@xxxxxxxxx>
  • Date: Wed, 29 Sep 2010 11:27:26 -0500
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 29 Sep 2010 09:28:25 -0700
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I called the xc_evtchn_notify(). But I see no message/notification in /dev/xen/evtchn (in either DomU or Dom0). I did a little research and found there might be problem with my xen-evtchn module. However it is statically compiled into my kernel and i can see the following contents in /proc/xen

ls /proc/xen/
balloon  capabilities  privcmd    xenbus    xsd_kva  xsd_port

For now I just  want to send and event and acknowledge it (later application will be built on top of this).

--
Srujan D. Kotikela


On Wed, Sep 29, 2010 at 11:08 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
 On 09/28/2010 09:46 PM, Srujan D. Kotikela wrote:
> Hi,
>
> I am trying to send events from DomU to the Dom0. I have established
> an event channel. I used to xc_evtchn_notify() to send an event. But I
> am not sure how to check if the event has been sent. Through source
> browsing I found an event handler for xensource. Is there no generic
> handler for event channels?

/dev/xen/evtchn allows a usermode program to wait for specific event
channels.

   J

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