Re: [for-5.0 PATCH 2/3] cpu: Introduce cpu_class_set_parent_reset()

[David Gibson <david@gibson.dropbear.id.au>]

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On Fri, Dec 06, 2019 at 07:44:00PM +0100, Greg Kurz wrote:
> Similarly to what we already do with qdev, use a helper to overload the
> reset QOM methods of the parent in children classes, for clarity.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  hw/core/cpu.c         |    8 ++++++++
>  include/hw/core/cpu.h |    4 ++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/hw/core/cpu.c b/hw/core/cpu.c
> index db1a03c6bbb3..6dad2c8488a9 100644
> --- a/hw/core/cpu.c
> +++ b/hw/core/cpu.c
> @@ -239,6 +239,14 @@ void cpu_dump_statistics(CPUState *cpu, int flags)
>      }
>  }
>  
> +void cpu_class_set_parent_reset(CPUClass *cc,
> +                                CPUReset child_reset,
> +                                CPUReset *parent_reset)
> +{
> +    *parent_reset = cc->reset;
> +    cc->reset = child_reset;
> +}
> +
>  void cpu_reset(CPUState *cpu)
>  {
>      CPUClass *klass = CPU_GET_CLASS(cpu);
> diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
> index 047e3972ecaf..6680f4b047f4 100644
> --- a/include/hw/core/cpu.h
> +++ b/include/hw/core/cpu.h
> @@ -1137,6 +1137,10 @@ void cpu_exec_unrealizefn(CPUState *cpu);
>   */
>  bool target_words_bigendian(void);
>  
> +void cpu_class_set_parent_reset(CPUClass *cc,
> +                                CPUReset child_reset,
> +                                CPUReset *parent_reset);
> +
>  #ifdef NEED_CPU_H
>  
>  #ifdef CONFIG_SOFTMMU
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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