diff options
| -rw-r--r-- | kernel/time/tick-common.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 5edfb4806032..edd45f64162f 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -243,8 +243,13 @@ static bool tick_check_preferred(struct clock_event_device *curdev, return false; } - /* Use the higher rated one */ - return !curdev || newdev->rating > curdev->rating; + /* + * Use the higher rated one, but prefer a CPU local device with a lower + * rating than a non-CPU local device + */ + return !curdev || + newdev->rating > curdev->rating || + !cpumask_equal(curdev->cpumask, newdev->cpumask); } /* |