aboutsummaryrefslogtreecommitdiff
path: root/hw/s390x/s390-virtio-ccw.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/s390x/s390-virtio-ccw.c')
-rw-r--r--hw/s390x/s390-virtio-ccw.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 196773c833..560ddbb6fb 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -85,8 +85,15 @@ out:
static void s390_init_cpus(MachineState *machine)
{
MachineClass *mc = MACHINE_GET_CLASS(machine);
+ S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc);
int i;
+ if (machine->smp.threads > s390mc->max_threads) {
+ error_report("S390 does not support more than %d threads.",
+ s390mc->max_threads);
+ exit(1);
+ }
+
/* initialize possible_cpus */
mc->possible_cpu_arch_ids(machine);
@@ -731,6 +738,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
s390mc->cpu_model_allowed = true;
s390mc->css_migration_enabled = true;
s390mc->hpage_1m_allowed = true;
+ s390mc->max_threads = 1;
mc->init = ccw_init;
mc->reset = s390_machine_reset;
mc->block_default_type = IF_VIRTIO;
@@ -859,8 +867,11 @@ static void ccw_machine_7_1_instance_options(MachineState *machine)
static void ccw_machine_7_1_class_options(MachineClass *mc)
{
+ S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc);
+
ccw_machine_7_2_class_options(mc);
compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len);
+ s390mc->max_threads = S390_MAX_CPUS;
}
DEFINE_CCW_MACHINE(7_1, "7.1", false);