Re: [Xen-devel] [RFC PATCH v2 0/2] KVM: x86: Allow Qemu/KVM to use PVH entry point

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 12/07/2017 05:45 PM, Maran Wilson wrote:
>
> Juergen also had a suggestion to split the different hypervisor types
> early and use a common set of service functions instead of special casing
> xen_guest everywhere.
>
> There are certainly less special cases in this version of the patch, but
> if we still think it's important to split things up between common, Xen,
> and KVM components, then I would appreciate a suggestion on how best that
> can be done. Are we talking about just re-factoring functions in the
> existing file? Or do we need to go all the way and pull all the PVH entry
> code out of xen directories and find a home for it somewhere else so that
> we can use kernels built without CONFIG_XEN to start KVM guests via the
> PVH entry point. If the latter, any suggestions for which common files or
> directories I can move this stuff to?

I wonder whether the time has come for arch/x86/virt/

xen/
kvm/
hyperv/
kernel/paravirt*
kernel/cpu/hypervisor.c

-boris



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