From 366ba3f7f9ce4924d544b9d2c6514a7b19270953 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Wed, 8 Jan 2025 19:35:40 -0800 Subject: [PATCH] srcu: Point call_srcu() to call_rcu() for detailed memory ordering This commit causes the call_srcu() kernel-doc header to reference that of call_rcu() for detailed memory-ordering guarantees. Signed-off-by: Paul E. McKenney Signed-off-by: Boqun Feng --- kernel/rcu/srcutree.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index b83c74c4dcc0..f87a9fb6d6bb 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -1398,8 +1398,12 @@ static void __call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp, * read-side critical sections are delimited by srcu_read_lock() and * srcu_read_unlock(), and may be nested. * - * The callback will be invoked from process context, but must nevertheless - * be fast and must not block. + * The callback will be invoked from process context, but with bh + * disabled. The callback function must therefore be fast and must + * not block. + * + * See the description of call_rcu() for more detailed information on + * memory ordering guarantees. */ void call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp, rcu_callback_t func)