commit 70e5975d3a04be5479a28eec4a2fb10f98ad2785 upstream. Fixes https://bugs.launchpad.net/linaro-networking/+bug/1240283
Cc: <[email protected]> # 3.10.x : 7172a28 clockevents: Get rid of the notifier chain Cc: <[email protected]> # 3.10.x : 7126cac clockevents: Simplify locking Cc: <[email protected]> # 3.10.x : 8c53daf clockevents: Move the tick_notify() switch case to clockevents_notify() Cc: <[email protected]> # 3.10.x : ccf33d6 clockevents: Add module refcount Cc: <[email protected]> # 3.10.x : 501f867 clockevents: Provide sysfs interface Cc: <[email protected]> # 3.10.x : 45cb8e0 clockevents: Split out selection logic Cc: <[email protected]> # 3.10.x --- kernel/time/tick-common.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 5dd0177..5afd5549 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -233,8 +233,13 @@ 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); } /* -- 1.8.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
