Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine

[Avi Kivity]

Arnd Bergmann wrote:
> On Sunday 22 October 2006 19:01, Avi Kivity wrote:
>   
> > > While we don't have it yet, we're thinking about adding a sputop
> > > or something similar that shows the utilization of spus. You don't
> > > need that one, since get exactly that with the regular top, but you
> > > might want to have a tool that prints statistics about how often
> > > your guests drop out of the virtualisation mode, or the number
> > > of interrupts delivered to them.
> > >
> > >  
> > >       
> > We have a debugfs interface and a kvm_stat script which shows exactly
> > that (including a breakdown of the reasons for the exit).
> >     
>
> Ok, good. But with your own file system, you wouldn't need debugfs
> any more and have all information about a guest in one place.
>   

One last thing: permissions.  The /dev/kvm model allows permissions to 
be controlled using standard unix access methods.  How do you control 
access to spufs?

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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