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(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL)
9 struct static_key_deferred {
10 struct static_key key;
11 unsigned long timeout;
12 struct delayed_work work;
16 #ifdef HAVE_JUMP_LABEL
17 extern void static_key_slow_dec_deferred(struct static_key_deferred *key);
18 extern void static_key_deferred_flush(struct static_key_deferred *key);
20 jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);
22 #else /* !HAVE_JUMP_LABEL */
23 struct static_key_deferred {
24 struct static_key key;
26 static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
28 STATIC_KEY_CHECK_USE();
29 static_key_slow_dec(&key->key);
31 static inline void static_key_deferred_flush(struct static_key_deferred *key)
33 STATIC_KEY_CHECK_USE();
36 jump_label_rate_limit(struct static_key_deferred *key,
39 STATIC_KEY_CHECK_USE();
41 #endif /* HAVE_JUMP_LABEL */
42 #endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */