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[Xen-devel] x2APIC emulation for HVM guest
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] x2APIC emulation for HVM guest |
| From: | "Yang, Sheng" <sheng.yang@xxxxxxxxx> |
| Date: | Thu, 2 Dec 2010 10:09:36 +0800 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 01 Dec 2010 18:09:01 -0800 |
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This patch would enable Xen to handle x2APIC MSR accessing of HVM guest, which is faster(avoid decoding of MMIO accessing). The credit comes to Gleb Natapov who complete the work for KVM. Have tested with 4 vcpus guest, with/without x2apic support.
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