[Xen-devel] bimodal backend operation

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

Now that the 32on64 patches have mostly been merged, what is the plan wrt
making the non-compatible backends bimodal capable? While Gerd's suggested
approach is clearly less involved than mine, I continue to dislike the idea of
having to touch the frontends so that those can inform the backend about
their protocol version; I had hoped that this can be done fully backward
compatibly (except perhaps for pv drivers in hcm guests) by allowing the
backend to learn the address size of the guest, which the tools can know
pretty early during domain creation.

Thanks, Jan

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