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Date: Wed, 6 May 2015 13:57:50 +0530
From: Bharata B Rao <bharata@linux.vnet.ibm.com>
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Subject: Re: [Qemu-devel] [RFC PATCH v3 23/24] spapr: Support ibm,
 dynamic-reconfiguration-memory
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To: David Gibson <david@gibson.dropbear.id.au>
Cc: mdroth@linux.vnet.ibm.com, "Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>, aik@ozlabs.ru, agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, tyreld@linux.vnet.ibm.com, nfont@linux.vnet.ibm.com, imammedo@redhat.com, afaerber@suse.de

On Tue, May 05, 2015 at 05:40:32PM +1000, David Gibson wrote:
> On Fri, Apr 24, 2015 at 12:17:45PM +0530, Bharata B Rao wrote:
> > Parse ibm,architecture.vec table obtained from the guest and enable
> > memory node configuration via ibm,dynamic-reconfiguration-memory if guest
> > supports it. This is in preparation to support memory hotplug for
> > sPAPR guests.
> > 
> > This changes the way memory node configuration is done. Currently all
> > memory nodes are built upfront. But after this patch, only memory@0 node
> > for RMA is built upfront. Guest kernel boots with just that and rest of
> > the memory nodes (via memory@XXX or ibm,dynamic-reconfiguration-memory)
> > are built when guest does ibm,client-architecture-support call.
> > 
> > Note: This patch needs a SLOF enhancement which is already part of
> > upstream SLOF.
> 
> Is it in the SLOF included in the qemu submodule though?  If not you
> should have a patch to update the submodule first.

Nikunj confirms that SLOF change needed to support
ibm,dynamic-reconfiguration-memory is already part of QEMU.

Regards,
Bharata.