diff options
| -rw-r--r-- | kernel/rcu/srcutree.c | 8 |
1 files 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) |