Re: [Qemu-devel] [PATCH v2] spapr_cpu_core: cleaning up qdev_get_machine() calls

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

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On Mon, Sep 11, 2017 at 11:10:57PM +0200, Greg Kurz wrote:
> This patch removes the qdev_get_machine() calls that are made
> in spapr_cpu_core.c in situations where we can get an existing
> pointer for the MachineState by either passing it as an argument
> to the function or by using other already available pointers.
> 
> Credits to Daniel Henrique Barboza for the idea and the changelog
> text.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>
> ---
> v2: - fixed typo in spapr_cpu_reset()

Applied to ppc-for-2.11.

> ---
>  hw/ppc/spapr_cpu_core.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
> index dc9df0d393d1..0f32532abe99 100644
> --- a/hw/ppc/spapr_cpu_core.c
> +++ b/hw/ppc/spapr_cpu_core.c
> @@ -73,8 +73,8 @@ void spapr_cpu_parse_features(sPAPRMachineState *spapr)
>  
>  static void spapr_cpu_reset(void *opaque)
>  {
> -    sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
>      PowerPCCPU *cpu = opaque;
> +    sPAPRMachineState *spapr = SPAPR_MACHINE(cpu->vhyp);
>      CPUState *cs = CPU(cpu);
>      CPUPPCState *env = &cpu->env;
>  
> @@ -162,10 +162,10 @@ static void spapr_cpu_core_unrealizefn(DeviceState *dev, Error **errp)
>      g_free(sc->threads);
>  }
>  
> -static void spapr_cpu_core_realize_child(Object *child, Error **errp)
> +static void spapr_cpu_core_realize_child(Object *child,
> +                                         sPAPRMachineState *spapr, Error **errp)
>  {
>      Error *local_err = NULL;
> -    sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
>      CPUState *cs = CPU(child);
>      PowerPCCPU *cpu = POWERPC_CPU(cs);
>      Object *obj;
> @@ -254,7 +254,7 @@ static void spapr_cpu_core_realize(DeviceState *dev, Error **errp)
>      for (j = 0; j < cc->nr_threads; j++) {
>          obj = sc->threads + j * size;
>  
> -        spapr_cpu_core_realize_child(obj, &local_err);
> +        spapr_cpu_core_realize_child(obj, spapr, &local_err);
>          if (local_err) {
>              goto err;
>          }
> 

-- 
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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