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

From: H. Peter Anvin
Date: Fri Oct 14 2011 - 14:55:24 EST


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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