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[Qemu-ppc] [PATCH v2 14/24] spapr: get numa node mapping from possible_c
From: |
Igor Mammedov |
Subject: |
[Qemu-ppc] [PATCH v2 14/24] spapr: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu() |
Date: |
Wed, 3 May 2017 14:57:08 +0200 |
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 <address@hidden>
---
hw/ppc/spapr.c | 4 ++--
hw/ppc/spapr_cpu_core.c | 14 ++------------
2 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 7f58ee4..bcb91e7 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -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 */
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 9de7a56..a17ea07 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -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);
--
2.7.4
- Re: [Qemu-ppc] [PATCH v2 10/24] numa: mirror cpu to node mapping in MachineState::possible_cpus, (continued)
Re: [Qemu-ppc] [PATCH v2 10/24] numa: mirror cpu to node mapping in MachineState::possible_cpus, Andrew Jones, 2017/05/04
[Qemu-ppc] [PATCH v2 11/24] numa: do default mapping based on possible_cpus instead of node_cpu bitmaps, Igor Mammedov, 2017/05/03
[Qemu-ppc] [PATCH v2 13/24] pc: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Igor Mammedov, 2017/05/03
[Qemu-ppc] [PATCH v2 14/24] spapr: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(),
Igor Mammedov <=
[Qemu-ppc] [PATCH v2 15/24] virt-arm: get numa node mapping from possible_cpus instead of numa_get_node_for_cpu(), Igor Mammedov, 2017/05/03
[Qemu-ppc] [PATCH v2 12/24] numa: add numa_[has_]node_id() wrappers, Igor Mammedov, 2017/05/03