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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233/* SPDX-License-Identifier: GPL-2.0+ *//* * Read-Copy Update notifiers, initially RCU CPU stall notifier. * Separate from rcupdate.h to avoid #include loops. * * Copyright (C) 2023 Paul E. McKenney. */
#ifndef __LINUX_RCU_NOTIFIER_H#define __LINUX_RCU_NOTIFIER_H
// Actions for RCU CPU stall notifier calls.#define RCU_STALL_NOTIFY_NORM 1#define RCU_STALL_NOTIFY_EXP 2
#if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER)
#include <linux/notifier.h>#include <linux/types.h>
int rcu_stall_chain_notifier_register(struct notifier_block *n);int rcu_stall_chain_notifier_unregister(struct notifier_block *n);
#else // #if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER)
// No RCU CPU stall warnings in Tiny RCU.static inline int rcu_stall_chain_notifier_register(struct notifier_block *n) { return -EEXIST; }static inline int rcu_stall_chain_notifier_unregister(struct notifier_block *n) { return -ENOENT; }
#endif // #else // #if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER)
#endif /* __LINUX_RCU_NOTIFIER_H */