Re: [PATCH] ppc: function to setup latest class options

[Greg Kurz <groug@kaod.org>]

On Fri, 7 Feb 2020 01:48:02 -0500
"Michael S. Tsirkin" <mst@redhat.com> wrote:

> We are going to add more init for the latest machine, so move the setup
> to a function so we don't have to change the DEFINE_SPAPR_MACHINE macro
> each time.
> 

Not sure about the meaning of "change the DEFINE_SPAPR_MACHINE macro" but
yes, if we don't put the additional init there, we would be forced to
move it around each time to the new default machine init.

> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---

Reviewed-by: Greg Kurz <groug@kaod.org>

>  hw/ppc/spapr.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 02cf53fc5b..4cf2a992a5 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -4428,6 +4428,12 @@ static const TypeInfo spapr_machine_info = {
>      },
>  };
>  
> +static void spapr_machine_latest_class_options(MachineClass *mc)
> +{
> +    mc->alias = "pseries";
> +    mc->is_default = 1;
> +}
> +
>  #define DEFINE_SPAPR_MACHINE(suffix, verstr, latest)                 \
>      static void spapr_machine_##suffix##_class_init(ObjectClass *oc, \
>                                                      void *data)      \
> @@ -4435,8 +4441,7 @@ static const TypeInfo spapr_machine_info = {
>          MachineClass *mc = MACHINE_CLASS(oc);                        \
>          spapr_machine_##suffix##_class_options(mc);                  \
>          if (latest) {                                                \
> -            mc->alias = "pseries";                                   \
> -            mc->is_default = 1;                                      \
> +            spapr_machine_latest_class_options(mc);                  \
>          }                                                            \
>      }                                                                \
>      static const TypeInfo spapr_machine_##suffix##_info = {          \