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Re: [Xen-devel] [PATCH v5 rebased 0/4] nested vmx: enable VMCS shadowing feature



Hi Dongxiao,

On Wed, Jan 23, 2013 at 10:32:08PM +0800, Dongxiao Xu wrote:
> The main purpose of this feature is to reduce or eliminate the number of VM 
> exit
> for non-root VMREAD and VMWRITE. It provides the capability to link a
> "virtual VMCS" with the current running VMCS, so that after VM entry, the
> non-root VMREAD and VMWRITE can get/set related data directly from/to the
> "virtual VMCS" without trap and emulation.

This looks like a neat feature. I am wondering when I can use it. Is it
planned for Haswell or a later chip?


Thanks,

        Joerg



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