Re: [Xen-devel] PVHVM drivers in upstream linux kernel

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 02/12/14 13:00, Juergen Gross wrote:
> 
> I'd see:
> - XEN_PV (selects PARAVIRT, XEN_FRONTEND): be able to run as pv-domain
>   (x86 only)

Depends on PARAVIRT perhaps?

> - XEN_PVHVM (selects XEN_FRONTEND): be able to run as hvm-domain with
>   pv-drivers
> - XEN_BACKEND (selects PARAVIRT if x86): be able to run as driver domain
>   (dom0 or other)

Does not need to select PARAVIRT -- HVM domains can run backends.

> - XEN_DOM0 (selects PARAVIRT if x86, XEN_BACKEND): be able to run as
>   dom0

XEN_DOM0 depends on XEN_PV or XEN_PVH (if x86) and whatever ARM needs.

> - XEN_FRONTEND: be able to run as domU with pv-drivers

It may also be interesting to consider splitting the PV MMU stuff under
a PARAVIRT_MMU option.  This might address a reason why people want to
disable PARAVIRT completely.

David

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