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[Qemu-arm] [PATCH v2 08/24] virt-arm: add node-id property to CPU
From: |
Igor Mammedov |
Subject: |
[Qemu-arm] [PATCH v2 08/24] virt-arm: add node-id property to CPU |
Date: |
Wed, 3 May 2017 14:57:02 +0200 |
it will allow switching from cpu_index to property based
numa mapping in follow up patches.
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/arm/virt.c | 15 +++++++++++++++
target/arm/cpu.c | 1 +
2 files changed, 16 insertions(+)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 3e19b5f..05a2822 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -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);
}
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index ee1406d..c185eb1 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -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()
};
--
2.7.4
- Re: [Qemu-arm] [PATCH v2 05/24] numa: move source of default CPUs to NUMA node mapping into boards, (continued)
[Qemu-arm] [PATCH v2 08/24] virt-arm: add node-id property to CPU,
Igor Mammedov <=
[Qemu-arm] [PATCH v2 09/24] numa: add check that board supports cpu_index to node mapping, Igor Mammedov, 2017/05/03
Re: [Qemu-arm] [PATCH v2 09/24] numa: add check that board supports cpu_index to node mapping, Andrew Jones, 2017/05/04
Re: [Qemu-arm] [PATCH v2 09/24] numa: add check that board supports cpu_index to node mapping, David Gibson, 2017/05/04
[Qemu-arm] [PATCH v2 10/24] numa: mirror cpu to node mapping in MachineState::possible_cpus, Igor Mammedov, 2017/05/03