[Xen-devel] Re: [PATCH RFC V5 00/11] Paravirtualized ticketlocks

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 10/14/2011 10:02 AM, Jeremy Fitzhardinge wrote:
> 
> Jump labels are essentially binary: you can use path A or path B.  pvops
> are multiway: there's no limit to the number of potential number of
> paravirtualized hypervisor implementations.  At the moment we have 4:
> native, Xen, KVM and lguest.
> 

This isn't (or shouldn't be) really true... it should be possible to do
an N-way jump label even if the current mechanism doesn't.

        -hpa


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