Re: [PATCH] tick-sched: replace tick_nohz_active with tick_nohz_enabled in tick_nohz_switch_to_nohz()

[Viresh Kumar]

On 9 April 2014 21:11, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> But tick_nohz_active also gets set by tick_setup_sched_timer() which
> looks to be where it should get set. What is the case that this would
> set that variable and tick_setup_sched_timer() would not?

These two are in parallel and only one of these will ever succeed. So,
either tick_setup_sched_timer() or tick_nohz_switch_to_nohz() will
set it.
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