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[Xen-devel][PATCH 01/02] Hypervisor: Extend max vcpu number for HVM gues
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel][PATCH 01/02] Hypervisor: Extend max vcpu number for HVM guest. |
| From: | "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx> |
| Date: | Thu, 29 Oct 2009 11:10:00 +0800 |
| Accept-language: | en-US |
| Acceptlanguage: | en-US |
| Cc: | "Ian.Jackson@xxxxxxxxxxxxx" <Ian.Jackson@xxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Delivery-date: | Wed, 28 Oct 2009 20:12:47 -0700 |
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| Thread-index: | AcpYRU18BA4vL8HTT8SlYsDuUlC2Tg== |
| Thread-topic: | [Xen-devel][PATCH 01/02] Hypervisor: Extend max vcpu number for HVM guest. |
Hypervisor: Extend the max vcpu number for HVM guest. - Originally the max vcpu number for HVM guest is 32, this patch extend the number to 128 on x86_64 hypervisor. (For i386 hypervisor, the max vcpu number is till 32). - This patch extends the mp-table size to fit more vcpus. - If the guest uses more than 32 vcpus, the ioreq page number is extend to 4. - HVM PV driver should call VCPUOP_register_vcpu_info hypercall to initialize the vcpu info if the vcpu number is more than 32. Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx> Best Regards, -- Dongxiao
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