Re: [PATCH v1 0/2] xen/arm: maintenance_interrupt SMP fix

[Julien Grall <julien.grall@linaro.org>]

Hi Stefano,

On 01/29/2014 11:46 AM, Stefano Stabellini wrote:
> Thinking twice about it, it might be the only acceptable change for 4.4.

After thinking, if Ian's patch to prioritize the IPI
(http://www.gossamer-threads.com/lists/xen/devel/315342?do=post_view_threaded)
is not pushed for Xen 4.4, this patch might be useful for Oleksandr.

Can you send it with a commit message and signed-off?

> diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
> index e6257a7..af96a31 100644
> --- a/xen/arch/arm/gic.c
> +++ b/xen/arch/arm/gic.c
> @@ -776,8 +795,7 @@ int gic_route_irq_to_guest(struct domain *d, const struct dt_irq *irq,
>  
>      level = dt_irq_is_level_triggered(irq);
>  
> -    gic_set_irq_properties(irq->irq, level, cpumask_of(smp_processor_id()),
> -                           0xa0);
> +    gic_set_irq_properties(irq->irq, level, cpumask_of(0), 0xa0);

I would add a TODO before the function and perhaps explain why...

Cheers,

-- 
Julien Grall