[Xense-devel] Xen memory management

["Myong H. Kang" <mkang@xxxxxxxxxxxxxxxx>]

Dear Xen experts,

I have some naïve questions about Xen memory management. 

Xen interface manual describes the following:
"Xen maintains a globally readable machine-to-physical table which
records the mapping from machine page frames to pseudo-physical ones."

The questions are: 
What does it mean by "globally readable"? Which hypercall is being used to
access this table from a guest domain (or is there some other way to access
this table from a guest domain)?
Is it possible to read memory content of guest domain B (or domain 0) from
guest domain A? 

 
Thanks,

Myong  




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