Re: [Xen-devel] RFC: xen config changes v4

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-02-27 at 12:24 +0000, Stefano Stabellini wrote:
> > Using PV frontends is completely orthogonal to other PV enhancements
> > like PARAVIRT_CLOCK, HVMOP_pagetable_dying or PV IPIs. So why do you
> > object enabling the PV frontends for those kernels?
> 
> I am for it.  I would like to avoid two user visible XEN enablement
> options (XEN_FRONTEND vs. XEN_PVHVM) for x86_64 and PAE HVM guests to
> avoid configurations with just XEN_FRONTEND, that can be considered a
> performance regression compared to what we have now (on x86_64 and PAE).

Probably some suitable select/depends could be used to allow this
configuration only for non-PAE/x86_32 and x86_64 configurations?

Ian.


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