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    |   xen-users
Re: [Xen-users] Why the unmodified guest os can run on xen while	hardwar 
| On 26 Nov 2006 at 22:48, Javier Guerra wrote:
> The rings mechanism implemented by Intel processors since the 80386 (now 
I think it was implemented in the 80286 already (the first CPu with "protected 
mode").
Ulrich
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