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-rw-r--r--kernel/time/tick-common.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 5d3fb100bc0..7ce5e5a4a4c 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -194,7 +194,8 @@ static void tick_setup_device(struct tick_device *td,
* When global broadcasting is active, check if the current
* device is registered as a placeholder for broadcast mode.
* This allows us to handle this x86 misfeature in a generic
- * way.
+ * way. This function also returns !=0 when we keep the
+ * current active broadcast state for this CPU.
*/
if (tick_device_uses_broadcast(newdev, cpu))
return;