Re: [Xen-devel] [PATCH] Make bind_interdomain_evtchn_to_irq() public

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 12/08/14 14:43, jgross@xxxxxxxx wrote:
> From: Juergen Gross <jgross@xxxxxxxx>
> 
> bind_interdomain_evtchn_to_irq() is currently a private function. It is used
> only by bind_interdomain_evtchn_to_irqhandler() to register an irq-handler for
> an event channel.
> 
> By making it public it is possible to use e.g. threaded interrupts with
> interdomain event channels.

Can you give an example of using this?  Maybe we want a
bind_interdomain_evtchn_to_threaded_irqhandler() instead? Or add a flags
field to the existing function.

David

> --- a/drivers/xen/events/events_base.c
> +++ b/drivers/xen/events/events_base.c
> @@ -900,8 +900,8 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int 
> cpu)
>       return irq;
>  }
>  
> -static int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,
> -                                       unsigned int remote_port)
> +int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,
> +                                unsigned int remote_port)
>  {
>       struct evtchn_bind_interdomain bind_interdomain;
>       int err;
> @@ -914,6 +914,7 @@ static int bind_interdomain_evtchn_to_irq(unsigned int 
> remote_domain,
>  
>       return err ? : bind_evtchn_to_irq(bind_interdomain.local_port);
>  }
> +EXPORT_SYMBOL_GPL(bind_interdomain_evtchn_to_irq);
>  
>  static int find_virq(unsigned int virq, unsigned int cpu)
>  {
> diff --git a/include/xen/events.h b/include/xen/events.h
> index 8bee7a7..5321cd9 100644
> --- a/include/xen/events.h
> +++ b/include/xen/events.h
> @@ -28,6 +28,8 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
>                          unsigned long irqflags,
>                          const char *devname,
>                          void *dev_id);
> +int bind_interdomain_evtchn_to_irq(unsigned int remote_domain,
> +                                unsigned int remote_port);
>  int bind_interdomain_evtchn_to_irqhandler(unsigned int remote_domain,
>                                         unsigned int remote_port,
>                                         irq_handler_t handler,
> 


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