Re: [PATCH v2 1/5] s390x: Don't do a normal reset on the initial cpu

[Cornelia Huck]

On Fri, 22 Nov 2019 08:59:58 -0500
Janosch Frank <address@hidden> wrote:

> The initiating cpu needs to be reset with an initial reset. While
> doing a normal reset followed by a initial reset is not wron per-se,

s/wron per-se/wrong per se/

> the Ultravisor will only allow the correct reset to be performed.

So... the uv has stricter rules than the architecture has in that
respect?

> 
> Signed-off-by: Janosch Frank <address@hidden>
> Reviewed-by: David Hildenbrand <address@hidden>
> ---
>  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 d3edeef0ad..c1d1440272 100644
> --- a/hw/s390x/s390-virtio-ccw.c
> +++ b/hw/s390x/s390-virtio-ccw.c
> @@ -348,6 +348,9 @@ static void s390_machine_reset(MachineState *machine)
>          break;
>      case S390_RESET_LOAD_NORMAL:
>          CPU_FOREACH(t) {
> +            if (t == cs) {
> +                continue;
> +            }
>              run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
>          }
>          subsystem_reset();