Re: [PATCH 4/6] net: mvneta: Handle per-cpu interrupts

From: Maxime Ripard
Date: Mon Jul 06 2015 - 09:05:13 EST


Hi Willy,

On Sun, Jul 05, 2015 at 02:37:08PM +0200, Willy Tarreau wrote:
> Hi Maxime,
>
> On Fri, Jul 03, 2015 at 04:25:49PM +0200, Maxime Ripard wrote:
> > Now that our interrupt controller is allowing us to use per-CPU interrupts,
> > actually use it in the mvneta driver.
> >
> > This involves obviously reworking the driver to have a CPU-local NAPI
> > structure, and report for incoming packet using that structure.
> >
> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
>
> This patch breaks module build of mvneta unless you export request_percpu_irq :
>
> diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
> index ec31697..1440a92 100644
> --- a/kernel/irq/manage.c
> +++ b/kernel/irq/manage.c
> @@ -1799,6 +1799,7 @@ int request_percpu_irq(unsigned int irq, irq_handler_t handler,
>
> return retval;
> }
> +EXPORT_SYMBOL_GPL(request_percpu_irq);

Ah, right. Thanks!

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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