Kernel VMI (Virtual Machine Interface) in F7/F8?
Dave Jones
davej at redhat.com
Sun Oct 7 20:08:49 UTC 2007
On Sun, Oct 07, 2007 at 01:02:09PM -0700, Arjan van de Ven wrote:
> On Sun, 30 Sep 2007 18:57:17 -0200
> Thomas M Steenholdt <tmus at tmus.dk> wrote:
>
> > Hi there...
> >
> > It seems (noted in releasenotes) that F7 should have a VMI (Virtual
> > Machine Interface) enabled kernel by default, but from what I can
> > find in the .config files it doesn't... Do I need a special kernel
> > (i.e. only the XEN kernel has VMI or something) or was it lost in a
> > kernel update or...?
> >
>
> there's overhead with paravirt ops though ;)
> at one point it was about 5% even in non-virtual environments... no
> idea what it's at now.
According to the paravirt-ops developers, it should be negligable now,
though I admit to not having seen recent numbers on this myself.
Dave
--
http://www.codemonkey.org.uk
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