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Re: [Xen-devel] [PATCH 2/3] vvmx: return VMfail to L1 if L1 vmxon is executed in VMX operation

To: "Zhang, Haozhong" <haozhong.zhang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Wed, 14 Dec 2016 05:22:53 +0000
Accept-language: en-US
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Delivery-date: Wed, 14 Dec 2016 05:23:03 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>
Thread-index: AQHSVTrb1P4UiMNw+E6GBBdzHibFkaEG6bAA
Thread-topic: [PATCH 2/3] vvmx: return VMfail to L1 if L1 vmxon is executed in VMX operation

> From: Zhang, Haozhong
> Sent: Tuesday, December 13, 2016 8:16 PM
> 
> According to Intel SDM, section "VMXON - Enter VMX Operation", a
> VMfail should be returned to L1 hypervisor if L1 vmxon is executed in
> VMX operation, rather than just print a warning message.
> 
> Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>

Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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References:
- [Xen-devel] [PATCH 0/3] vvmx: fix L1 vmxon
  - From: Haozhong Zhang
- [Xen-devel] [PATCH 2/3] vvmx: return VMfail to L1 if L1 vmxon is executed in VMX operation
  - From: Haozhong Zhang

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