Re: [RFC PATCH 04/19] cpufreq: bring data structures close to their locks

[Peter Zijlstra]

On Mon, Jan 11, 2016 at 05:35:45PM +0000, Juri Lelli wrote:
> +/**
> + * Iterate over governors
> + *
> + * cpufreq_governor_list is protected by cpufreq_governor_mutex.
> + */
> +static LIST_HEAD(cpufreq_governor_list);
> +static DEFINE_MUTEX(cpufreq_governor_mutex);
> +#define for_each_governor(__governor)				\
> +	list_for_each_entry(__governor, &cpufreq_governor_list, governor_list)

So you could stuff the lockdep_assert_held() you later add intididually
into the for_each_governor macro, impossible to forget that way.