diff options
Diffstat (limited to 'kernel/power/qos.c')
| -rw-r--r-- | kernel/power/qos.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c index 69c32c42080f..b822206ac811 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -358,7 +358,11 @@ int pm_qos_update_target(struct pm_qos_constraints *c, spin_unlock_irqrestore(&pm_qos_lock, flags); trace_pm_qos_update_target(action, prev_value, curr_value); - if (prev_value != curr_value) { + /* + * if cpu mask bits are set, call the notifier call chain + * to update the new qos restriction for the cores + */ + if (!cpumask_empty(&cpus)) { ret = 1; if (c->notifiers) blocking_notifier_call_chain(c->notifiers, |