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srcu: Improve srcu_read_lock_lite() kernel-doc comment

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Where RCU is watching is where it is OK to invoke rcu_read_lock().

Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Paul E. McKenney 2024-10-15 09:11:12 -07:00 committed by Frederic Weisbecker
parent 6a2c0255e8
commit 768b1f8709
1 changed files with 2 additions and 1 deletions
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include/linux/srcu.h
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@ -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)
{