diff options
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 11 | ||||
| -rw-r--r-- | include/hw/s390x/s390-virtio-ccw.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 196773c..560ddbb 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); diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h index 8a0090a..4f8a39a 100644 --- a/include/hw/s390x/s390-virtio-ccw.h +++ b/include/hw/s390x/s390-virtio-ccw.h @@ -40,6 +40,7 @@ struct S390CcwMachineClass { bool cpu_model_allowed; bool css_migration_enabled; bool hpage_1m_allowed; + int max_threads; }; /* runtime-instrumentation allowed by the machine */ |