Re: [Xen-devel] [XTF PATCH 14/16] vvmx: test vmxon in VMX root w/ CPL = 3 and w/o current VMCS

[Haozhong Zhang <haozhong.zhang@xxxxxxxxx>]

On 12/19/16 16:07 +0000, Andrew Cooper wrote:
> On 19/12/16 03:46, Haozhong Zhang wrote:
> > > However, I am not sure of its purpose.  Why cant you reuse the previous
> > > host state area?
> > Intel SDM says SW should not access or modify the VXMON rgion of a
> > logical processor between vmxon and vmxoff. Though I have tested on
                                                             ^
     I missed a 'not' here, hope you didn't misunderstand what I meant here


> > real hardware whether reusing VMXON region would cause any trouble, I
> > still want to exclude that possibility/noise from this test.
> That is a good reason.  Could you please add a comment to this effect?
Sure, I'll add a comment around vmxon_region_2nd.

Haozhong

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