lkml.org 
[lkml]   [2013]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2][RFC] time : set broadcast irq affinity
On Thu, 21 Feb 2013 23:01:23 +0100
Daniel Lezcano <daniel.lezcano@linaro.org> wrote:

> +/*
> + * Set broadcast interrupt affinity
> + */
> +static void tick_broadcast_set_affinity(struct clock_event_device
> *bc, int cpu) +{
> + struct cpumask cpumask;
> +
> + if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))
> + return;
> +
> + cpumask_clear(&cpumask);
> + cpumask_set_cpu(cpu, &cpumask);
> + irq_set_affinity(bc->irq, &cpumask);
would it be more efficient to keep track of the current bc->irq affinity
via cpumask then set it only if it is different?

--
Thanks,

Jacob


\
 
 \ /
  Last update: 2013-02-22 19:21    [W:0.112 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site