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[Xen-devel] Possible cases for Hypercall "HYPERVISOR_event_channel_op(EVTCHNOP_send, &op)" failure

To: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: "Kumar, Venkat" <Venkat.Kumar@xxxxxxx>
Date: Fri, 19 Dec 2008 16:36:00 +0530
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Delivery-date: Fri, 19 Dec 2008 03:06:33 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
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Thread-topic: Possible cases for Hypercall "HYPERVISOR_event_channel_op(EVTCHNOP_send, &op)" failure

What are the possible cases (I hope there are not manyJ) that this Hypercall might fail, HYPERVISOR_event_channel_op(EVTCHNOP_send, &op)???,With an error value of “–ENOSYS (-38)” on a “HVM”?

Thx,

Venkat

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