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RE: [Xen-users] Changing how CPUS are presented to windows.

To: "Joseph Coleman" <joe.coleman@xxxxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Changing how CPUS are presented to windows.
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Thu, 4 Nov 2010 09:34:54 +1100
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Thread-index: Act7Z5+ajan/m/r0RNqF8Nahh8Jf6gAP1p3g
Thread-topic: [Xen-users] Changing how CPUS are presented to windows.
> Is there a way to change how CPU's are presented to Windows VM's?
Example if
> you have a quad core cpu server that is 8 virtual cpus, if you assign
all 8
> virtual cpus to a single windows server it is viewed as 8 individual
> processors. Is there any way to have windows see it as 4 and not 8?
The reason
> why is for SQL licensing. I am using open xen cloud.

You need to tinker with cpuid config lines to change the way the CPU's
are presented. There are some fairly sparse comments about it in the
example configs but I'm sure someone has written a wiki entry about it


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