Avi,

On Thu, May 31, 2007 at 02:35:44PM +0300, Avi Kivity wrote:
> >>
> >>    
> >In the case of heterogeneous migration, clearly performance counters
> >will not work well, especially for unmodified guests. 
> 
> Right.
> 
> >But I  can also
> >see problems when migrating from Intel Core to older P4 for instance.
> >
> >  
> 
> If the guest cpuid is set to a least common denominator, it should work.
> 
There is no common denominator between a P4 and Intel Core 2 Duo for the
performance counters. So you cannot simply use a generic member of family
15 to fake the guest cpuid runnning on Intel Core 2 Duo host.

-- 

-Stephane

-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
kvm-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/kvm-devel

Reply via email to