notifier: Remove atomic_notifier_call_chain_robust()

This now has no more users, remove it.

Suggested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 2fb373a..87069b8 100644 (file)
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -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,

diff --git a/kernel/notifier.c b/kernel/notifier.c
index 1b019cb..b8251dc 100644 (file)
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -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