[PATCH v3 2/2] notifier: Remove atomic_notifier_call_chain_robust()
From: Valentin Schneider
Date: Wed Aug 11 2021 - 16:14:49 EST
This now has no more users, remove it.
Suggested-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx>
---
include/linux/notifier.h | 2 --
kernel/notifier.c | 19 -------------------
2 files changed, 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
--
2.25.1