ons 2011-03-02 klockan 10:28 +0200 skrev
pagee...@freemail.hu:
> On 1 Mar 2011 at 18:28, Anthony G. Basile wrote:
> 
> > > in HVM mode
> > > i386 should be fine, amd64 should be dead slow.
> > 
> > In my experience, both are fine.  I run hardened x86, hardened amd64 and
> > hardened amd64 nomultilib as domU.  The host is OpenSuse 11.3.  I have
> > both KERNEXEC and UDEREF on, no noticeable problems.
> 
> now that's interesting, does the host have/use EPT (or amd's equivalent)?
> 
> > KVM is a different story, and I do see slowdown for amd64.
> 
> this means that the slowdown is  truly specific to some kvm/uderef 
> interaction,
> not that i have an idea where to look still...
> 
> 
> 

Are you missing anything you need to figure this out, like profiling
data?



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