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[Xen-ia64-devel][PATCH]Fix ptc.ga emulation bug.
| To: | <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-ia64-devel][PATCH]Fix ptc.ga emulation bug. |
| From: | "Xu, Anthony" <anthony.xu@xxxxxxxxx> |
| Date: | Wed, 28 Feb 2007 10:50:17 +0800 |
| Delivery-date: | Tue, 27 Feb 2007 18:49:33 -0800 |
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| Thread-index: | Acda4y3KfN8ryJ+gREmJm7F8y2H0FA== |
| Thread-topic: | [Xen-ia64-devel][PATCH]Fix ptc.ga emulation bug. |
Fix ptc.ga emulation bug. This function call smp_call_function_single to purge TLB on another processor, if vcpu migration happens, smp_call_function_single is called again, but if the vcpu is migrated to current physical processor, smp_call_function_single does nothing and returns. Thus ptc.ga is not correctly emulated. - Anthony
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