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virt-arm: add node-id property to CPU

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it will allow switching from cpu_index to property based
numa mapping in follow up patches.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-Id: <1494415802-227633-5-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2017-05-10 13:29:48 +02:00 committed by Eduardo Habkost
parent 93b2a8cb0b
commit bd4c1bfe3e
2 changed files with 16 additions and 0 deletions
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15
hw/arm/virt.c
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@ -1350,6 +1350,7 @@ static void machvirt_init(MachineState *machine)
for (n = 0; n < possible_cpus->len; n++) {
Object *cpuobj;
CPUState *cs;
int node_id;
if (n >= smp_cpus) {
break;
@ -1362,6 +1363,20 @@ static void machvirt_init(MachineState *machine)
cs = CPU(cpuobj);
cs->cpu_index = n;
node_id = numa_get_node_for_cpu(cs->cpu_index);
if (node_id == nb_numa_nodes) {
/* 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 */
node_id = 0;
}
if (cs->numa_node == CPU_UNSET_NUMA_NODE_ID) {
cs->numa_node = node_id;
} else {
/* CPU isn't device_add compatible yet, this shouldn't happen */
error_setg(&error_abort, "user set node-id not implemented");
}
if (!vms->secure) {
object_property_set_bool(cpuobj, false, "has_el3", NULL);
}

1
target/arm/cpu.c
View File

@ -1573,6 +1573,7 @@ static Property arm_cpu_properties[] = {
DEFINE_PROP_UINT32("midr", ARMCPU, midr, 0),
DEFINE_PROP_UINT64("mp-affinity", ARMCPU,
mp_affinity, ARM64_AFFINITY_INVALID),
DEFINE_PROP_INT32("node-id", CPUState, numa_node, CPU_UNSET_NUMA_NODE_ID),
DEFINE_PROP_END_OF_LIST()
};