1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_JUMP_LABEL_RATELIMIT_H
3 #define _LINUX_JUMP_LABEL_RATELIMIT_H
5 #include <linux/jump_label.h>
6 #include <linux/workqueue.h>
8 #if defined(CONFIG_JUMP_LABEL)
9 struct static_key_deferred {
10 struct static_key key;
11 unsigned long timeout;
12 struct delayed_work work;
15 extern void static_key_slow_dec_deferred(struct static_key_deferred *key);
16 extern void static_key_deferred_flush(struct static_key_deferred *key);
18 jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);
20 #else /* !CONFIG_JUMP_LABEL */
21 struct static_key_deferred {
22 struct static_key key;
24 static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
26 STATIC_KEY_CHECK_USE(key);
27 static_key_slow_dec(&key->key);
29 static inline void static_key_deferred_flush(struct static_key_deferred *key)
31 STATIC_KEY_CHECK_USE(key);
34 jump_label_rate_limit(struct static_key_deferred *key,
37 STATIC_KEY_CHECK_USE(key);
39 #endif /* CONFIG_JUMP_LABEL */
40 #endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */