Re: [Xen-devel] [PATCH V5 1/5] xen/events: support threaded irqs for interdomain event channels

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Aug 18, 2014 at 11:31:46AM +0200, jgross@xxxxxxxx wrote:
> From: Juergen Gross <jgross@xxxxxxxx>
> 
> Export bind_interdomain_evtchn_to_irq() so drivers can use threaded
> interrupt handlers with:
> 
>  irq = bind_interdomain_evtchn_to_irq(remote_dom, remote_port);
>  if (irq < 0)
>      /* error */
>  ret = request_threaded_irq(...);
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> ---
>  drivers/xen/events/events_base.c | 5 +++--
>  include/xen/events.h             | 2 ++
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/xen/events/events_base.c 
> b/drivers/xen/events/events_base.c
> index 5b5c5ff..b4bca2d 100644
> --- 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,
> -- 
> 1.8.4.5
> 
> 
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