[fedora-virt] State of KVM paravirtualization
Dor Laor
dlaor at redhat.com
Thu Oct 22 08:56:01 UTC 2009
On 10/22/2009 03:39 AM, 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 above is not merged and it still relays on hw-assist.
KVM has pv drivers, pvclock, and some pv mmu (which under perform the
standard vt hw).
>
> 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.
There is no plan to support such hardware. Even VMW are moving to this
direction. Any new hardware is sold with VT/SVM for the last 2+ years.
>
> Thank you,
>
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