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| author | Valentin Schneider <valentin.schneider@arm.com> | 2021-08-11 21:14:32 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-08-16 18:55:32 +0200 |
| commit | 15538a20579fa4047912508b03b39bcdeec26b05 (patch) | |
| tree | 2f956ba724baf373f06e3c557472498101490f2b | |
| parent | b2f6662ac08d0e7c25574ce53623c71bdae9dd78 (diff) | |
| download | linux-15538a20579fa4047912508b03b39bcdeec26b05.tar.bz2 | |
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>
| -rw-r--r-- | include/linux/notifier.h | 2 | ||||
| -rw-r--r-- | kernel/notifier.c | 19 |
2 files changed, 0 insertions, 21 deletions
diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 2fb373a5c1ed..87069b8459af 100644 --- 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 1b019cbca594..b8251dc0bc0f 100644 --- 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 |