Eduardo Habkost <ehabk...@redhat.com> writes:

> On Wed, Jul 22, 2020 at 12:50:16AM -0300, Thiago Jung Bauermann wrote:
>> Instead of setting CPUState::halted to 1 in s390_cpu_initfn(), use the
>> start-powered-off property which makes cpu_common_reset() initialize it to
>> 1 in common code.
>>
>> Signed-off-by: Thiago Jung Bauermann <bauer...@linux.ibm.com>
>> ---
>>  target/s390x/cpu.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> NB: I was only able to test that this patch builds. I wasn't able to
>> run it.
>>
>> diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
>> index 08eb674d22..d3a14af1d9 100644
>> --- a/target/s390x/cpu.c
>> +++ b/target/s390x/cpu.c
>> @@ -291,7 +291,8 @@ static void s390_cpu_initfn(Object *obj)
>>      S390CPU *cpu = S390_CPU(obj);
>>
>>      cpu_set_cpustate_pointers(cpu);
>> -    cs->halted = 1;
>> +    object_property_set_bool(OBJECT(cs), "start-powered-off", true,
>> +                             &error_abort);
>
> Is this really OK?  s390 CPUs don't seem to set halted=1 on reset
> today.

Hm, good point. That is indeed a behavior change that this patch
introduces. I'll point it out in the description for v3, and if it's
wrong then this patch can simply be dropped.

--
Thiago Jung Bauermann
IBM Linux Technology Center

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