> For privileged domains that have hardware privileges and need to send > IPIs or something it might make sense. Any SMP guest needs IPI support of some sort. But it is hopefully independent of subarchitectures in the paravirtualized case. > doesn't stop Linux from using the provided primitives in any way is > sees fit. So it doesn't top evolution in that sense. What it does stop > is having the Linux hypervisor interface grow antlers and have new > hooves grafted onto it. What it sorely needed in the interface is a way > to probe That's the direction the interface is evolving I think (see multiple entry point discussion) > and detect optional features that allow it to grow independent > of one particular hypervisor vendor. Ok maybe not with options and subsets so far, but one has to start somewhere. -Andi
