Julien Grall writes ("Re: [Xen-devel] [XEN PATCH for-4.13 v2 9/9] libxl/xl:
Overhaul passthrough setting logic"):
> libxl treats Arm guest as PVH now. Note that we seamlessly convert
> PV to PVH in libxl__arch_domain_{build, create}_info_setdefault().
>
> So as long as this is called after any of those calls, then we
> should be fine.
I'll check this.
This means that the algorithm is quite different on ARM to on x86:
ARM guests are always PVH and need PT_SHARE; on x86, PVH is not
compatible with passthrough at all.
So I need to put this logic in an arch-specific function.
Ian.
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