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path: root/drivers/cpuidle/governors/menu.c
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Diffstat (limited to 'drivers/cpuidle/governors/menu.c')
-rw-r--r--drivers/cpuidle/governors/menu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index b6684fd89085..8b3f9c7bf221 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -511,6 +511,16 @@ static void menu_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
* duration predictor do a better job next time.
*/
measured_us = 9 * MAX_INTERESTING / 10;
+ } else if ((drv->states[last_idx].flags & CPUIDLE_FLAG_POLLING) &&
+ dev->poll_time_limit) {
+ /*
+ * The CPU exited the "polling" state due to a time limit, so
+ * the idle duration prediction leading to the selection of that
+ * state was inaccurate. If a better prediction had been made,
+ * the CPU might have been woken up from idle by the next timer.
+ * Assume that to be the case.
+ */
+ measured_us = data->next_timer_us;
} else {
/* measured value */
measured_us = dev->last_residency;