[PATCH v2] clocksource: dw_apb_timer: add dynamic irq flag to the timer

Daniel Lezcano daniel.lezcano at linaro.org
Mon Jul 6 01:46:09 PDT 2015

On 07/04/2015 07:06 AM, Jisheng Zhang wrote:
> Commit d2348fb6fdc6 ("tick: Dynamically set broadcast irq affinity")
> adds one execllent feature CLOCK_EVT_FEAT_DYNIRQ to let the core set the
> interrupt affinity of the broadcast interrupt to the cpu which has the
> earliest expiry time. This patch adds CLOCK_EVT_FEAT_DYNIRQ flag to
> avoid unnecessary wakeups and IPIs when the dw_apb_timer is used as
> broadcast timer.

Thanks for the measurements. I picked the patch but did not applied it 
yet since I will have to handle a trivial conflict with the recent changes.

   -- Daniel

  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

More information about the linux-arm-kernel mailing list