Samuel, this means the Ring 0 pages are shared among all the VMs that are 
spawned. Meaning the kernel segment descriptors of each GDT of every VM will 
contain virtual addresses which all point to the same physical address, of that 
of Xen eliminating replication.
Bhaskar.
-----Original Message-----
From: Samuel Thibault [mailto:samuel.thibault@xxxxxxxxxxxxx]
Sent: Tuesday, August 05, 2008 3:24 PM
To: Jayaraman, Bhaskar
Cc: Daniel Stodden; Xen Developers
Subject: Re: [Xen-devel] Mini-OS and Xen!
Jayaraman, Bhaskar, le Tue 05 Aug 2008 15:24:14 +0800, a écrit :
> If so what can be the theoretical maximum number of VMs that we can spawn 
> with the 2 GDT pages available to Xen? i.e. 1024 entries that are 8 bytes 
> long.
Xen switches GDT.
Samuel
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