Re: [Qemu-devel] [PATCH 07/10] xics: Handle KVM ICS reset from the "simple" ICS code

[David Gibson]

On Fri, Feb 15, 2019 at 12:40:24PM +0100, Greg Kurz wrote:
> The KVM ICS reset handler simply writes the ICS state to KVM. This
> doesn't need the overkill parent_reset logic we have today. Also
> we want to use the same ICS type for the KVM and non-KVM case with
> pseries.
> 
> Call icp_set_kvm_state() from the "simple" ICS reset function.
> 
> Signed-off-by: Greg Kurz <address@hidden>

Applied, thanks.

> ---
>  hw/intc/xics.c     |    4 ++++
>  hw/intc/xics_kvm.c |   18 ------------------
>  2 files changed, 4 insertions(+), 18 deletions(-)
> 
> diff --git a/hw/intc/xics.c b/hw/intc/xics.c
> index ae5d5ea135b8..49401745c410 100644
> --- a/hw/intc/xics.c
> +++ b/hw/intc/xics.c
> @@ -553,6 +553,10 @@ static void ics_simple_reset(DeviceState *dev)
>      ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev);
>  
>      icsc->parent_reset(dev);
> +
> +    if (kvm_irqchip_in_kernel()) {
> +        ics_set_kvm_state(ICS_BASE(dev));
> +    }
>  }
>  
>  static void ics_simple_reset_handler(void *dev)
> diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
> index 642351e5790f..e7b8d4c29ce6 100644
> --- a/hw/intc/xics_kvm.c
> +++ b/hw/intc/xics_kvm.c
> @@ -280,20 +280,6 @@ void ics_kvm_set_irq(void *opaque, int srcno, int val)
>      }
>  }
>  
> -static void ics_kvm_reset(DeviceState *dev)
> -{
> -    ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev);
> -
> -    icsc->parent_reset(dev);
> -
> -    ics_set_kvm_state(ICS_KVM(dev));
> -}
> -
> -static void ics_kvm_reset_handler(void *dev)
> -{
> -    ics_kvm_reset(dev);
> -}
> -
>  static void ics_kvm_realize(DeviceState *dev, Error **errp)
>  {
>      ICSState *ics = ICS_KVM(dev);
> @@ -305,8 +291,6 @@ static void ics_kvm_realize(DeviceState *dev, Error 
> **errp)
>          error_propagate(errp, local_err);
>          return;
>      }
> -
> -    qemu_register_reset(ics_kvm_reset_handler, ics);
>  }
>  
>  static void ics_kvm_class_init(ObjectClass *klass, void *data)
> @@ -316,8 +300,6 @@ static void ics_kvm_class_init(ObjectClass *klass, void 
> *data)
>  
>      device_class_set_parent_realize(dc, ics_kvm_realize,
>                                      &icsc->parent_realize);
> -    device_class_set_parent_reset(dc, ics_kvm_reset,
> -                                  &icsc->parent_reset);
>  }
>  
>  static const TypeInfo ics_kvm_info = {
> 

-- 
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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