On Thu, Mar 22, 2007 at 02:33:50PM +0200, Avi Kivity wrote:
> Joerg Roedel wrote:
> >We agree that we should hide the monitor cpuid bit to the guest from the
> >kernel level. Allowing the guest to use mwait if its available on the
> >processor without proper virtualization would cause the processor to
> >idle in the guest mode.
> >  
> 
> I think it can be safely done from userspace, as long as host integrity is 
> not compromised.

Ok. This way is also most efficient because it does not require any
further patching :) QEmu currently does not set this bit.

-- 
Joerg Roedel
Operating System Research Center
AMD Saxony LLC & Co. KG



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