Re: [Qemu-devel] [RFC PATCH 07/15] spapr: enable PHB hotplug for pseries-2.4

[David Gibson]

On Wed, Apr 29, 2015 at 02:20:16PM -0500, Michael Roth wrote:
> Introduce an sPAPRMachineClass sub-class of MachineClass to
> handle sPAPR-specific machine configuration properties.
> 
> The 'dr_phb_enabled' field of that class can be set as
> part of machine-specific init code, and is then propagated
> to sPAPREnvironment to conditionally enable creation of DRC
> objects and device-tree description to facilitate hotplug
> of PHBs.
> 
> Since we can't migrate this state to older machine types,
> default the option to false and only enable it for new
> machine types.
> 
> Signed-off-by: Michael Roth <address@hidden>

This will obviously conflict with Bharata's patch doing much the same
thing for cpu and memory hotplug.

I'll try to put a patch in spapr-next tomorrow which adds an empty
sPAPRMachineClass which you can both then add fields to.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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