Re: [Xen-devel] Is there anyway to let two hvm Domain share memory?

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> Currently I am thinking on that is there any way to let two different hvm
> guest domain share the same memory in Xen? If we can do this, It will be a
> great improve to inter-domain communication on the same physical machine.
> If you have any suggestions, Please let me know.
> Thank you in advance.

It's possible for an HVM domain to create sharing grants (e.g. to share with 
dom0) but last I heard the grant table mapping hypercalls were not allowed 
for HVM guests so they won't be able to directly map each other's granted 
memory :-(

Cheers,
Mark

-- 
Push Me Pull You - Distributed SCM tool (http://www.cl.cam.ac.uk/~maw48/pmpu/)

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