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-rw-r--r--kernel/time/tick-sched.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 753a184c7090..f203f000da1a 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -434,6 +434,12 @@ static void tick_nohz_kick_task(struct task_struct *tsk)
* smp_mb__after_spin_lock()
* tick_nohz_task_switch()
* LOAD p->tick_dep_mask
+ *
+ * XXX given a task picks up the dependency on schedule(), should we
+ * only care about tasks that are currently on the CPU instead of all
+ * that are on the runqueue?
+ *
+ * That is, does this want to be: task_on_cpu() / task_curr()?
*/
if (!sched_task_on_rq(tsk))
return;