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-rw-r--r--kernel/time/timer_migration.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
index 611cd904f035..c63a0afdcebe 100644
--- a/kernel/time/timer_migration.c
+++ b/kernel/time/timer_migration.c
@@ -1038,8 +1038,15 @@ void tmigr_handle_remote(void)
* in tmigr_handle_remote_up() anyway. Keep this check to speed up the
* return when nothing has to be done.
*/
- if (!tmigr_check_migrator(tmc->tmgroup, tmc->childmask))
- return;
+ if (!tmigr_check_migrator(tmc->tmgroup, tmc->childmask)) {
+ /*
+ * If this CPU was an idle migrator, make sure to clear its wakeup
+ * value so it won't chase timers that have already expired elsewhere.
+ * This avoids endless requeue from tmigr_new_timer().
+ */
+ if (READ_ONCE(tmc->wakeup) == KTIME_MAX)
+ return;
+ }
data.now = get_jiffies_update(&data.basej);