Commit 15538a20 authored by Valentin Schneider's avatar Valentin Schneider Committed by Rafael J. Wysocki
Browse files

notifier: Remove atomic_notifier_call_chain_robust() 



This now has no more users, remove it.

Suggested-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarValentin Schneider <valentin.schneider@arm.com>
Acked-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent b2f6662a

include/linux/notifier.h

+0 −2
Original line number Diff line number Diff line
@@ -168,8 +168,6 @@ extern int raw_notifier_call_chain(struct raw_notifier_head *nh, 
extern int srcu_notifier_call_chain(struct srcu_notifier_head *nh,

		unsigned long val, void *v);



extern int atomic_notifier_call_chain_robust(struct atomic_notifier_head *nh,

		unsigned long val_up, unsigned long val_down, void *v);

extern int blocking_notifier_call_chain_robust(struct blocking_notifier_head *nh,

		unsigned long val_up, unsigned long val_down, void *v);

extern int raw_notifier_call_chain_robust(struct raw_notifier_head *nh,

kernel/notifier.c

+0 −19
Original line number Diff line number Diff line
@@ -172,25 +172,6 @@ int atomic_notifier_chain_unregister(struct atomic_notifier_head *nh, 
}

EXPORT_SYMBOL_GPL(atomic_notifier_chain_unregister);



int atomic_notifier_call_chain_robust(struct atomic_notifier_head *nh,

		unsigned long val_up, unsigned long val_down, void *v)

{

	unsigned long flags;

	int ret;



	/*

	 * Musn't use RCU; because then the notifier list can

	 * change between the up and down traversal.

	 */

	spin_lock_irqsave(&nh->lock, flags);

	ret = notifier_call_chain_robust(&nh->head, val_up, val_down, v);

	spin_unlock_irqrestore(&nh->lock, flags);



	return ret;

}

EXPORT_SYMBOL_GPL(atomic_notifier_call_chain_robust);

NOKPROBE_SYMBOL(atomic_notifier_call_chain_robust);



/**

 *	atomic_notifier_call_chain - Call functions in an atomic notifier chain

 *	@nh: Pointer to head of the atomic notifier chain