Merging upstream version 5.10.216.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index c5624ab05..105fdc2bb 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -1015,6 +1015,8 @@ static void rcu_tasks_trace_postscan(struct list_head *hop)
 
 	// Wait for late-stage exiting tasks to finish exiting.
 	// These might have passed the call to exit_tasks_rcu_finish().
+
+	// If you remove the following line, update rcu_trace_implies_rcu_gp()!!!
 	synchronize_rcu();
 	// Any tasks that exit after this point will set ->trc_reader_checked.
 }