At least since v4.19, the FQS loop no longer reports quiescent states
unless it is a dire situation where an offlined CPU failed to report
a quiescent state. Let us clarify the comment in rcu_gp_init() inorder
to keep the comment current.
Signed-off-by: Joel Fernandes (Google) <[email protected]>
---
kernel/rcu/tree.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 6b6fc28bb670..a621932cc385 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1701,8 +1701,8 @@ static bool rcu_gp_init(void)
/*
* Apply per-leaf buffered online and offline operations to the
- * rcu_node tree. Note that this new grace period need not wait
- * for subsequent online CPUs, and that quiescent-state forcing
+ * rcu_node tree. Note that this new grace period need not wait for
+ * subsequent online CPUs, and that RCU hooks in CPU offlining path
* will handle subsequent offline CPUs.
*/
rcu_state.gp_state = RCU_GP_ONOFF;
--
2.28.0.163.g6104cc2f0b6-goog