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spapr: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu() 

it's safe to remove thread node_id != core node_id error
branch as machine_set_cpu_numa_node() also does mismatch
check and is called even before any CPU is created.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <1494415802-227633-10-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2017-05-10 13:29:53 +02:00 committed by Eduardo Habkost
parent ea2650724c
commit 722387e78d
2 changed files with 4 additions and 14 deletions
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4
hw/ppc/spapr.c
View File

@ -2863,8 +2863,8 @@ static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
goto out;
}
node_id = numa_get_node_for_cpu(cc->core_id);
if (node_id == nb_numa_nodes) {
node_id = core_slot->props.node_id;
if (!core_slot->props.has_node_id) {
/* by default CPUState::numa_node was 0 if it's not set via CLI
* keep it this way for now but in future we probably should
* refuse to start up with incomplete numa mapping */

14
hw/ppc/spapr_cpu_core.c
View File

@ -181,7 +181,6 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
sc->threads = g_malloc0(size * cc->nr_threads);
for (i = 0; i < cc->nr_threads; i++) {
int node_id;
char id[32];
CPUState *cs;
@ -191,17 +190,8 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
cs = CPU(obj);
cs->cpu_index = cc->core_id + i;
/* Set NUMA node for the added CPUs */
node_id = numa_get_node_for_cpu(cs->cpu_index);
if (node_id != sc->node_id) {
error_setg(&local_err, "Invalid node-id=%d of thread[cpu-index: %d]"
" on CPU[core-id: %d, node-id: %d], node-id must be the same",
node_id, cs->cpu_index, cc->core_id, sc->node_id);
goto err;
}
if (node_id < nb_numa_nodes) {
cs->numa_node = node_id;
}
/* Set NUMA node for the threads belonged to core */
cs->numa_node = sc->node_id;
snprintf(id, sizeof(id), "thread[%d]", i);
object_property_add_child(OBJECT(sc), id, obj, &local_err);