Xen devel - Aug 2006 - Question regarding to the uniqueness of xen''s grant table mechanism

Hi, I am writing a paper related to Xen. I want to know whether the grant
table based memory sharing mechanism is only available on Xen platform. Do
other virtual machine systems like VMWare, Disco, or VirtualPC have similar
mechanism to share memory across domains?
Also, does HVM support the grant table mechanism?

Thanks,
lily


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