Re: [Xen-devel] [PATCH 1/3] vvmx: set vmxon_region_pa of vcpu out of VMX operation to an invalid address

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Zhang, Haozhong
> Sent: Tuesday, December 13, 2016 8:16 PM
> 
> nvmx_handle_vmxon() previously checks whether a vcpu is in VMX
> operation by comparing its vmxon_region_pa with GPA 0. However, 0 is
> also a valid VMXON region address. If L1 hypervisor had set the VMXON
> region address to 0, the check in nvmx_handle_vmxon() will be skipped.
> Fix this problem by using an invalid VMXON region address for vcpu
> out of VMX operation.
> 
> Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>

once you have type thing fixed:

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

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