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spapr: cpu core: separate child threads destruction from machine state operations

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Split off destroying VCPU threads from drc callback
spapr_core_release() into new spapr_cpu_core_unrealizefn()
which takes care of internal cpu core state cleanup (i.e.
VCPU threads) and is called when object_unparent(core)
is called.

That leaves spapr_core_release() only with board mgmt
code, which will be moved to board related file in
follow up patch along with the rest on hotplug callbacks.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Igor Mammedov 2017-02-03 11:51:57 +01:00 committed by David Gibson
parent 796b288f7b
commit f844616bf6
1 changed files with 10 additions and 5 deletions
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15
hw/ppc/spapr_cpu_core.c
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@ -110,12 +110,20 @@ char *spapr_get_cpu_core_type(const char *model)
}
static void spapr_core_release(DeviceState *dev, void *opaque)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
CPUCore *cc = CPU_CORE(dev);
spapr->cores[cc->core_id / smp_threads] = NULL;
object_unparent(OBJECT(dev));
}
static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp)
{
sPAPRCPUCore *sc = SPAPR_CPU_CORE(OBJECT(dev));
sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_GET_CLASS(OBJECT(dev));
const char *typename = object_class_get_name(scc->cpu_class);
size_t size = object_type_get_instance_size(typename);
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
CPUCore *cc = CPU_CORE(dev);
int i;
@ -129,11 +137,7 @@ static void spapr_core_release(DeviceState *dev, void *opaque)
cpu_remove_sync(cs);
object_unparent(obj);
}
spapr->cores[cc->core_id / smp_threads] = NULL;
g_free(sc->threads);
object_unparent(OBJECT(dev));
}
void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
@ -368,6 +372,7 @@ void spapr_cpu_core_class_init(ObjectClass *oc, void *data)
sPAPRCPUCoreClass *scc = SPAPR_CPU_CORE_CLASS(oc);
dc->realize = spapr_cpu_core_realize;
dc->unrealize = spapr_cpu_core_unrealizefn;
scc->cpu_class = cpu_class_by_name(TYPE_POWERPC_CPU, data);
g_assert(scc->cpu_class);
}