Re: [PATCH 2/6] nohz: Allow to check if remote CPU tick is stopped

[Thomas Gleixner]

On Thu, 15 Feb 2018, Frederic Weisbecker wrote:

> This check is racy but provides a good heuristic to determine whether
> a CPU may need a remote tick or not.
> 

> +int tick_nohz_tick_stopped_cpu(int cpu)

s/int/bool/ but I'm not religious about that.

> +{
> +	struct tick_sched *ts = per_cpu_ptr(&tick_cpu_sched, cpu);
> +
> +	return ts->tick_stopped;
> +}

Other than that nit:

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>