On 2/15/19 2:32 PM, Greg Kurz wrote: > On Fri, 15 Feb 2019 14:02:16 +0100 > Cédric Le Goater <c...@kaod.org> wrote: > >> On 2/15/19 12:40 PM, Greg Kurz wrote: >>> The "simple" ICS class knows how to interract with KVM. Adapt sPAPR to use >>> it instead of the ICS KVM class. >> >> You are changing the type name. What about migration ? >> > > Huh ?!? I don't see how the type name would relate to migration. AFAICT they > aren't being referred to in the vmstate descriptors in xics.c.
In that case all is fine. C. >> Can't we move the xics_kvm_init() and xics_spapr_init() call under >> spapr_ics_create() ? It would simplify a lot the routine I think >> if these were done before creating the ICSState. >> > > I'll look into that if there's a v2 or else in a followup patch. > >> C. >> >>> Signed-off-by: Greg Kurz <gr...@kaod.org> >>> --- >>> hw/ppc/spapr_irq.c | 15 +++++++-------- >>> 1 file changed, 7 insertions(+), 8 deletions(-) >>> >>> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c >>> index 9f43b7b3bf16..4aa8165307c7 100644 >>> --- a/hw/ppc/spapr_irq.c >>> +++ b/hw/ppc/spapr_irq.c >>> @@ -67,13 +67,12 @@ void spapr_irq_msi_reset(sPAPRMachineState *spapr) >>> */ >>> >>> static ICSState *spapr_ics_create(sPAPRMachineState *spapr, >>> - const char *type_ics, >>> int nr_irqs, Error **errp) >>> { >>> Error *local_err = NULL; >>> Object *obj; >>> >>> - obj = object_new(type_ics); >>> + obj = object_new(TYPE_ICS_SIMPLE); >>> object_property_add_child(OBJECT(spapr), "ics", obj, &error_abort); >>> object_property_add_const_link(obj, ICS_PROP_XICS, OBJECT(spapr), >>> &error_abort); >>> @@ -98,14 +97,14 @@ static void spapr_irq_init_xics(sPAPRMachineState >>> *spapr, int nr_irqs, >>> { >>> MachineState *machine = MACHINE(spapr); >>> Error *local_err = NULL; >>> + bool xics_kvm = false; >>> >>> if (kvm_enabled()) { >>> if (machine_kernel_irqchip_allowed(machine) && >>> !xics_kvm_init(spapr, &local_err)) { >>> - spapr->ics = spapr_ics_create(spapr, TYPE_ICS_KVM, nr_irqs, >>> - &local_err); >>> + xics_kvm = true; >>> } >>> - if (machine_kernel_irqchip_required(machine) && !spapr->ics) { >>> + if (machine_kernel_irqchip_required(machine) && !xics_kvm) { >>> error_prepend(&local_err, >>> "kernel_irqchip requested but unavailable: "); >>> goto error; >>> @@ -114,12 +113,12 @@ static void spapr_irq_init_xics(sPAPRMachineState >>> *spapr, int nr_irqs, >>> local_err = NULL; >>> } >>> >>> - if (!spapr->ics) { >>> + if (!xics_kvm) { >>> xics_spapr_init(spapr); >>> - spapr->ics = spapr_ics_create(spapr, TYPE_ICS_SIMPLE, nr_irqs, >>> - &local_err); >>> } >>> >>> + spapr->ics = spapr_ics_create(spapr, nr_irqs, &local_err); >>> + >>> error: >>> error_propagate(errp, local_err); >>> } >>> >> >