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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH V5 1/5] xen/events: support threaded irqs for interdomain event channels
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
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel
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