From 768b1f87098a4a586353898b074989808b1b27ad Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 15 Oct 2024 09:11:12 -0700 Subject: [PATCH] srcu: Improve srcu_read_lock_lite() kernel-doc comment Where RCU is watching is where it is OK to invoke rcu_read_lock(). Reported-by: Andrii Nakryiko Signed-off-by: Paul E. McKenney Acked-by: Andrii Nakryiko Reviewed-by: Neeraj Upadhyay Signed-off-by: Frederic Weisbecker --- include/linux/srcu.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 4ba96e2cfa40..bab1dae3f69e 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -270,7 +270,8 @@ static inline int srcu_read_lock(struct srcu_struct *ssp) __acquires(ssp) * synchronize_rcu_expedited(), IPIs and all. * * Note that srcu_read_lock_lite() can be invoked only from those contexts - * where RCU is watching. Otherwise, lockdep will complain. + * where RCU is watching, that is, from contexts where it would be legal + * to invoke rcu_read_lock(). Otherwise, lockdep will complain. */ static inline int srcu_read_lock_lite(struct srcu_struct *ssp) __acquires(ssp) {