[PATCH v9 01/10] s390x/cpus: Make absence of multithreading clear

[Pierre Morel <pmorel@xxxxxxxxxxxxx>]

S390x do not support multithreading in the guest.
Do not let admin falsely specify multithreading on QEMU
smp commandline.

Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
 hw/s390x/s390-virtio-ccw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 70229b102b..b5ca154e2f 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -86,6 +86,9 @@ static void s390_init_cpus(MachineState *machine)
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     int i;
 
+    /* Explicitely do not support threads */
+    assert(machine->smp.threads == 1);
+
     /* initialize possible_cpus */
     mc->possible_cpu_arch_ids(machine);
 
-- 
2.31.1