kernel/locking/rwsem.c

113  * For all the above cases, wait_lock will be held. A writer must also
324 	raw_spin_lock_init(&sem->wait_lock);
372 	lockdep_assert_held(&sem->wait_lock);
388 	lockdep_assert_held(&sem->wait_lock);
402  * - the wait_lock must be held by the caller
405  *   preferably when the wait_lock is released
419 	lockdep_assert_held(&sem->wait_lock);
573  * writer slowpaths with wait_lock held. It releases the wait_lock and
579 		      __releases(&sem->wait_lock)
592 	raw_spin_unlock_irq(&sem->wait_lock);
598  * This function must be called with the sem->wait_lock held to prevent
610 	lockdep_assert_held(&sem->wait_lock);
826 	/* sem->wait_lock should not be held when doing optimistic spinning */
1024 			raw_spin_lock_irq(&sem->wait_lock);
1028 			raw_spin_unlock_irq(&sem->wait_lock);
1040 	raw_spin_lock_irq(&sem->wait_lock);
1051 			raw_spin_unlock_irq(&sem->wait_lock);
1064 	raw_spin_unlock_irq(&sem->wait_lock);
1079 			raw_spin_lock_irq(&sem->wait_lock);
1082 			raw_spin_unlock_irq(&sem->wait_lock);
1083 			/* Ordered by sem->wait_lock against rwsem_mark_wake(). */
1127 	raw_spin_lock_irq(&sem->wait_lock);
1136 			 * We want to minimize wait_lock hold time especially
1139 			raw_spin_unlock_irq(&sem->wait_lock);
1141 			raw_spin_lock_irq(&sem->wait_lock);
1157 		raw_spin_unlock_irq(&sem->wait_lock);
1182 		raw_spin_lock_irq(&sem->wait_lock);
1185 	raw_spin_unlock_irq(&sem->wait_lock);
1192 	raw_spin_lock_irq(&sem->wait_lock);
1208 	raw_spin_lock_irqsave(&sem->wait_lock, flags);
1213 	raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
1229 	raw_spin_lock_irqsave(&sem->wait_lock, flags);
1234 	raw_spin_unlock_irqrestore(&sem->wait_lock, flags);