Re: [RFC PATCH] net: wireless: move regulatory timeout work to power efficient workqueue

[Johannes Berg <johannes@sipsolutions.net>]

On Thu, 2014-01-30 at 15:08 -0800, Zoran Markovic wrote:
> From: Shaibal Dutta <shaibal.dutta@broadcom.com>
> 
> For better use of CPU idle time, allow the scheduler to select the CPU
> on which the timeout work of regulatory settings would be executed.
> This extends CPU idle residency time and saves power.
> 
> This functionality is enabled when CONFIG_WQ_POWER_EFFICIENT is selected.

> -		schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
> +		queue_delayed_work(system_power_efficient_wq,
> +				   &reg_timeout, msecs_to_jiffies(3142));

I'm not sure if this is part of a larger patchset actually adding that
"system_power_efficient_wq", but maybe it'd be better to expose a
function as an API rather than the wq struct?

Something like

scheduled_delayed_work_pwr_efficient(...)?

?

johannes