On Tue, Feb 12, 2019 at 07:25:32PM +0100, Greg Kurz wrote:
> From: Michael Roth <mdroth@linux.vnet.ibm.com>
>
> The 'dr_phb_enabled' field of that class can be set as part of
> machine-specific init code. It will be used 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 true and disable it for older machine
> types.
>
> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
> Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> hw/ppc/spapr.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 06ce0babcb54..4a6b2f7f3f62 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -4166,6 +4166,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
> smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] = SPAPR_CAP_OFF;
> spapr_caps_add_properties(smc, &error_abort);
> smc->irq = &spapr_irq_xics;
> + smc->dr_phb_enabled = true;
> }
>
> static const TypeInfo spapr_machine_info = {
> @@ -4231,6 +4232,7 @@ static void spapr_machine_3_1_class_options(MachineClass *mc)
> compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
> mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
> smc->update_dt_enabled = false;
> + smc->dr_phb_enabled = false;
> }
>
> DEFINE_SPAPR_MACHINE(3_1, "3.1", false);
>
--
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