Re: [Qemu-ppc] [PATCH v5 28/36] ppc/xics: introduce a icp_kvm_init() routine

[David Gibson]

On Fri, Nov 16, 2018 at 11:57:21AM +0100, Cédric Le Goater wrote:
> This routine gathers all the KVM initialization of the XICS KVM
> presenter. It will be useful when the initialization of the KVM XICS
> device is moved to a global routine.
> 
> Signed-off-by: Cédric Le Goater <address@hidden>

I dislike calling things *_init() because it's not clear which of
qemu's many "init" hooks it belongs with.

> ---
>  hw/intc/xics_kvm.c | 29 +++++++++++++++++++----------
>  1 file changed, 19 insertions(+), 10 deletions(-)
> 
> diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
> index e8fa9a53aeba..efad1b19d821 100644
> --- a/hw/intc/xics_kvm.c
> +++ b/hw/intc/xics_kvm.c
> @@ -123,11 +123,8 @@ static void icp_kvm_reset(DeviceState *dev)
>      icp_set_kvm_state(ICP(dev), 1);
>  }
>  
> -static void icp_kvm_realize(DeviceState *dev, Error **errp)
> +static void icp_kvm_init(ICPState *icp, Error **errp)
>  {
> -    ICPState *icp = ICP(dev);
> -    ICPStateClass *icpc = ICP_GET_CLASS(icp);
> -    Error *local_err = NULL;
>      CPUState *cs;
>      KVMEnabledICP *enabled_icp;
>      unsigned long vcpu_id;
> @@ -137,12 +134,6 @@ static void icp_kvm_realize(DeviceState *dev, Error 
> **errp)
>          abort();
>      }
>  
> -    icpc->parent_realize(dev, &local_err);
> -    if (local_err) {
> -        error_propagate(errp, local_err);
> -        return;
> -    }
> -
>      cs = icp->cs;
>      vcpu_id = kvm_arch_vcpu_id(cs);
>  
> @@ -168,6 +159,24 @@ static void icp_kvm_realize(DeviceState *dev, Error 
> **errp)
>      QLIST_INSERT_HEAD(&kvm_enabled_icps, enabled_icp, node);
>  }
>  
> +static void icp_kvm_realize(DeviceState *dev, Error **errp)
> +{
> +    ICPStateClass *icpc = ICP_GET_CLASS(dev);
> +    Error *local_err = NULL;
> +
> +    icpc->parent_realize(dev, &local_err);
> +    if (local_err) {
> +        error_propagate(errp, local_err);
> +        return;
> +    }
> +
> +    icp_kvm_init(ICP(dev), &local_err);
> +    if (local_err) {
> +        error_propagate(errp, local_err);
> +        return;
> +    }
> +}
> +
>  static void icp_kvm_class_init(ObjectClass *klass, void *data)
>  {
>      DeviceClass *dc = DEVICE_CLASS(klass);

-- 
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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