Re: [Xen-users] Kernel with Xen and perormance?

[Jean-Eric Cuendet <jec@xxxxxxxx>]

> Most of the distributions will detect Athlon vs. Xeon, SMP versus UP,
> large vs. small amount of memory, etc. a kernel that is tweaked for that
> configuration will be installed (usually without the user having to
> specify).
That's the point of my question! Why would these distrib ship the *base* 
kernel *with* Xen directly, so no need for reboot if you want Xen: just 
start the hypervisor and go!
> To run a Xen kernel you must also run the Xen hypervisor.  There is
> overhead but it is generally very low especially when running only a
> single domain as you seem to be suggesting.
So the question: what is the penalty if we run Xen *without* the 
hypervisor (so without virtual machines)
-jec


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