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[Xen-devel] Sharing machine pages among domains
- To: xen-devel@xxxxxxxxxxxxxxxxxxx
- From: "Haifeng He" <hehaifeng2nd@xxxxxxxxx>
- Date: Tue, 20 Nov 2007 20:26:10 -0700
- Delivery-date: Tue, 20 Nov 2007 19:27:05 -0800
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Hi,
I have another question about memory sharing among domains(domUs). I know that
grant table can be used for memory sharing. But my question is if it is possible
to setup memory sharing before domain starts. For example, suppose
I have 2 domUs: A and B. Before A and B are booted, is it possible to map
certain physical pages of A and B into the same machine pages? Any comment?
(btw, an unrelated question, if I do printk in Xen HVM, what's an easy
way to read that message?)
Thanks
Haifeng
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