92 		    try_cmpxchg_acquire(&lock->locked, &old, _Q_LOCKED_VAL)) {  in pv_hybrid_queued_unfair_trylock()
124 	return !READ_ONCE(lock->locked) &&  in trylock_clear_pending()
142 		 * Try to clear pending bit & set locked bit  in trylock_clear_pending()
286  * Wait for node->locked to become true, halt the vcpu after a short spin.
299 			if (READ_ONCE(node->locked))  in pv_wait_node()
309 		 * Order pn->state vs pn->locked thusly:  in pv_wait_node()
311 		 * [S] pn->state = VCPU_HALTED	  [S] next->locked = 1  in pv_wait_node()
313 		 * [L] pn->locked		[RmW] pn->state = VCPU_HASHED  in pv_wait_node()
319 		if (!READ_ONCE(node->locked)) {  in pv_wait_node()
333 		 * If the locked flag is still not set after wakeup, it is a  in pv_wait_node()
340 				  !READ_ONCE(node->locked));  in pv_wait_node()
344 	 * By now our node->locked should be 1 and our caller will not actually  in pv_wait_node()
351  * Called after setting next->locked = 1 when we're the lock owner.
364 	 * observe its next->locked value and advance itself.  in pv_kick_node()
368 	 * The write to next->locked in arch_mcs_spin_unlock_contended()  in pv_kick_node()
387 	WRITE_ONCE(lock->locked, _Q_SLOW_VAL);  in pv_kick_node()
392  * Wait for l->locked to become clear and acquire the lock;
446 			 *   [S] <hash>                 [Rmw] l->locked == _Q_SLOW_VAL  in pv_wait_head_or_lock()
448 			 * [RmW] l->locked = _Q_SLOW_VAL  [L] <unhash>  in pv_wait_head_or_lock()
452 			if (xchg(&lock->locked, _Q_SLOW_VAL) == 0) {  in pv_wait_head_or_lock()
458 				WRITE_ONCE(lock->locked, _Q_LOCKED_VAL);  in pv_wait_head_or_lock()
466 		pv_wait(&lock->locked, _Q_SLOW_VAL);  in pv_wait_head_or_lock()
499 __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked)  in __pv_queued_spin_unlock_slowpath()  argument
503 	if (unlikely(locked != _Q_SLOW_VAL)) {  in __pv_queued_spin_unlock_slowpath()
529 	smp_store_release(&lock->locked, 0);  in __pv_queued_spin_unlock_slowpath()
545 	u8 locked = _Q_LOCKED_VAL;  in __pv_queued_spin_unlock()  local
552 	if (try_cmpxchg_release(&lock->locked, &locked, 0))  in __pv_queued_spin_unlock()
555 	__pv_queued_spin_unlock_slowpath(lock, locked);  in __pv_queued_spin_unlock()