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[Xen-users] VIRT to MACHINE conversion

from [Security Initiative Team] [Permanent Link][Original]
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] VIRT to MACHINE conversion
From: Security Initiative Team <passrete@xxxxxxxxx>
Date: Tue, 9 Jan 2007 17:47:09 -0800 (PST)
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Why does virt_to_machine() call phys_to_machine()
directly.

153 /* VIRT <-> MACHINE conversion */
154 #define virt_to_machine(v)      (phys_to_machine(__pa(v))) 
How does one convert the virt to phy?
Is that done by the __pa() function?

I'm confused about the relation between 
virt and phy addresses in a guest domain?
What is the co-relation between the
 two?




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