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

[Joerg Roedel <joro@xxxxxxxxxx>]

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



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel