On 11-01-16, 23:07, Peter Zijlstra wrote:

On Mon, Jan 11, 2016 at 05:35:45PM +0000, Juri Lelli wrote:

quoted

+/**
+ * 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.

How exactly? I couldn't see how it can be done in a neat and clean
way.

-- 
viresh