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RE: [Xen-devel] about vmx_intercept.c

The vmx_intercept.c is to intercept some mmio/IO instruction on HV side.

As to the high performance IO , the VBD/VNIF patch have been sent out by
Xiaofeng, Ling. But vmx_interecept.c is not for it.

Yunhong Jiang

Miao Feng wrote:
> we found something interesting in vmx_intercept.c providing a
> technique 
> for high-performance io accessing.
> then, what is the use of this technique? for xen-aware? what xen-aware
> exactly is?
> in terms of VT, we don't have to modify guest os to run on xen 3. if
> we are expecting high-performance io, do we have to modify guest os,
> or just install some kind of xen-aware (xen-something)?
> and, where xen-aware lies? xen space? dom0 space? domU space?
> thanx in advance.
> anyone? any idea?

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