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Re: [Qemu-devel] [RFC PATCH v3 23/24] spapr: Support ibm, dynamic-reconf
Re: [Qemu-devel] [RFC PATCH v3 23/24] spapr: Support ibm, dynamic-reconfiguration-memory
Thu, 7 May 2015 11:13:18 +1000
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_!
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