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RE: [Xen-ia64-devel] [PATCH] Xen panics when domvti is destroyed
| To: | "Kouya SHIMURA" <kouya@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-ia64-devel] [PATCH] Xen panics when domvti is destroyed |
| From: | "Xu, Anthony" <anthony.xu@xxxxxxxxx> |
| Date: | Fri, 13 Oct 2006 08:30:01 +0800 |
| Cc: | xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 12 Oct 2006 17:30:51 -0700 |
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| Thread-index: | Acbt7209boW4eroiSz636o/5lfegFAAbl7ew |
| Thread-topic: | [Xen-ia64-devel] [PATCH] Xen panics when domvti is destroyed |
>From: Kouya SHIMURA [mailto:kouya@xxxxxxxxxxxxxx] >Sent: 2006年10月12日 19:13 >To: Xu, Anthony >Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx >Subject: RE: [Xen-ia64-devel] [PATCH] Xen panics when domvti is destroyed > >Abnormal OS might wake up the same vcpu from other vcpus simultaneously. >We don't care such a case? :P Good thinking, I think there are two situations, If two other vcpus wake up one vcpu at the exact same time, then this vcpu receives only one vcpu wakeup interrupt. If two other vcpus wake up one vcpu sequentially, the first interrupt is thought of as vcpu wakeup interrupt, the second interrupt is injected into Guest OS by this vcpu, it is the Guest OS responsible to handle this abnormal interrupt. Anthony _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-ia64-devel |
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