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Re: [Qemu-ppc] [RFC PATCH v3 23/24] spapr: Support ibm, dynamic-reconfig


From: David Gibson
Subject: Re: [Qemu-ppc] [RFC PATCH v3 23/24] spapr: Support ibm, dynamic-reconfiguration-memory
Date: Thu, 7 May 2015 11:13:18 +1000
User-agent: Mutt/1.5.23 (2014-03-12)

On Wed, May 06, 2015 at 01:57:50PM +0530, Bharata B Rao wrote:
> 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 address@hidden 
> > > node
> > > for RMA is built upfront. Guest kernel boots with just that and rest of
> > > the memory nodes (via address@hidden 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.

Ok great.  Can you adjust the commit message to clarify that.

-- 
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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