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[Xen-devel] Re: [RFC, PATCH 1/24] i386 Vmi documentation

* Andi Kleen (ak@xxxxxxx) wrote:
> Even then it's useless for many flags because any user program can (and will) 
> call CPUID directly. 

Yes, doesn't handle userspace at all.  It's useful only to get coherent
view of flags in kernel.  Right now, for example, Xen goes in and
basically masks off flags retroactively which is not that nice either.


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