[fedora-virt] State of KVM paravirtualization

Ray Van Dolson rvandolson at esri.com
Thu Oct 22 12:07:03 UTC 2009

On Wed, Oct 21, 2009 at 06:39:01PM -0700, Giovanni Tirloni wrote:
> Hello,
>  I'm trying to understand where KVM stands regarding
> paravirtualization. I've seen the patches from 2007 by Ingo Molnar
> (http://people.redhat.com/mingo/kvm-paravirt-patches/) but couldn't
> find anything newer. Are they integrated to the mainstream kernel?
>  The reason I'm looking at that is because I've a server at home which
> doesn't have hardware-assisted virtualization support and running qemu
> in full virtualization mode is a bit slow. I've tried Xen and it sure
> is fast but I would like to experiment with KVM.

Fortunately, RH will support Xen at least through RHEL 5's EOL.  I'm
sure the company I work at is not alone in having a lot of older but
still good hardware around that is great for Xen even if it's not cared
about by KVM developers so much :)

(I'm thinking Dell PE 2850's, etc.. perfectly good servers that these
is no reason to toss)

OpenVZ might be a good option for you as well depending on your use


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