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Re: [Xen-devel] Possible cases for Hypercall "HYPERVISOR_event_channel_o
| To: | "Kumar, Venkat" <Venkat.Kumar@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Possible cases for Hypercall "HYPERVISOR_event_channel_op(EVTCHNOP_send, &op)" failure |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 19 Dec 2008 11:29:53 +0000 |
| Cc: | |
| Delivery-date: | Fri, 19 Dec 2008 03:30:44 -0800 |
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| Thread-topic: | [Xen-devel] Possible cases for Hypercall "HYPERVISOR_event_channel_op(EVTCHNOP_send, &op)" failure |
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I don’t think it should ever fail like that. That hypercall is always required for PV drivers to work. -- Keir On 19/12/2008 11:06, "Kumar, Venkat" <Venkat.Kumar@xxxxxxx> wrote: 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”? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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