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[Qemu-arm] [PATCH v3 04/18] virt-arm: add node-id property to CPU
From: |
Igor Mammedov |
Subject: |
[Qemu-arm] [PATCH v3 04/18] virt-arm: add node-id property to CPU |
Date: |
Wed, 10 May 2017 13:29:48 +0200 |
it will allow switching from cpu_index to property based
numa mapping in follow up patches.
Signed-off-by: Igor Mammedov <address@hidden>
Reviewed-by: Andrew Jones <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 dfd6fd4..653b4d7 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
- [Qemu-arm] [PATCH v3 00/18] numa: add '-numa cpu' option, Igor Mammedov, 2017/05/10
- [Qemu-arm] [PATCH v3 02/18] spapr: add node-id property to sPAPR core, Igor Mammedov, 2017/05/10
- [Qemu-arm] [PATCH v3 03/18] pc: add node-id property to CPU, Igor Mammedov, 2017/05/10
- [Qemu-arm] [PATCH v3 01/18] numa: move source of default CPUs to NUMA node mapping into boards, Igor Mammedov, 2017/05/10
- [Qemu-arm] [PATCH v3 05/18] numa: add check that board supports cpu_index to node mapping, Igor Mammedov, 2017/05/10
- [Qemu-arm] [PATCH v3 04/18] virt-arm: add node-id property to CPU,
Igor Mammedov <=
- [Qemu-arm] [PATCH v3 06/18] numa: mirror cpu to node mapping in MachineState::possible_cpus, Igor Mammedov, 2017/05/10
- Re: [Qemu-arm] [Qemu-devel] [PATCH v3 06/18] numa: mirror cpu to node mapping in MachineState::possible_cpus, Igor Mammedov, 2017/05/30
- Re: [Qemu-arm] [Qemu-devel] [PATCH v3 06/18] numa: mirror cpu to node mapping in MachineState::possible_cpus, Eduardo Habkost, 2017/05/30
[Qemu-arm] [PATCH v3 07/18] numa: do default mapping based on possible_cpus instead of node_cpu bitmaps, Igor Mammedov, 2017/05/10
[Qemu-arm] [PATCH v3 09/18] spapr: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Igor Mammedov, 2017/05/10
[Qemu-arm] [PATCH v3 10/18] virt-arm: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Igor Mammedov, 2017/05/10