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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_JUMP_LABEL_RATELIMIT_H#define _LINUX_JUMP_LABEL_RATELIMIT_H
#include <linux/jump_label.h>#include <linux/workqueue.h>
#if defined(CONFIG_JUMP_LABEL)struct static_key_deferred { struct static_key key; unsigned long timeout; struct delayed_work work;};
struct static_key_true_deferred { struct static_key_true key; unsigned long timeout; struct delayed_work work;};
struct static_key_false_deferred { struct static_key_false key; unsigned long timeout; struct delayed_work work;};
#define static_key_slow_dec_deferred(x) \ __static_key_slow_dec_deferred(&(x)->key, &(x)->work, (x)->timeout)#define static_branch_slow_dec_deferred(x) \ __static_key_slow_dec_deferred(&(x)->key.key, &(x)->work, (x)->timeout)
#define static_key_deferred_flush(x) \ __static_key_deferred_flush((x), &(x)->work)
extern void__static_key_slow_dec_deferred(struct static_key *key, struct delayed_work *work, unsigned long timeout);extern void __static_key_deferred_flush(void *key, struct delayed_work *work);extern voidjump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);
extern void jump_label_update_timeout(struct work_struct *work);
#define DEFINE_STATIC_KEY_DEFERRED_TRUE(name, rl) \ struct static_key_true_deferred name = { \ .key = { STATIC_KEY_INIT_TRUE }, \ .timeout = (rl), \ .work = __DELAYED_WORK_INITIALIZER((name).work, \ jump_label_update_timeout, \ 0), \ }
#define DEFINE_STATIC_KEY_DEFERRED_FALSE(name, rl) \ struct static_key_false_deferred name = { \ .key = { STATIC_KEY_INIT_FALSE }, \ .timeout = (rl), \ .work = __DELAYED_WORK_INITIALIZER((name).work, \ jump_label_update_timeout, \ 0), \ }
#else /* !CONFIG_JUMP_LABEL */struct static_key_deferred { struct static_key key;};struct static_key_true_deferred { struct static_key_true key;};struct static_key_false_deferred { struct static_key_false key;};#define DEFINE_STATIC_KEY_DEFERRED_TRUE(name, rl) \ struct static_key_true_deferred name = { STATIC_KEY_TRUE_INIT }#define DEFINE_STATIC_KEY_DEFERRED_FALSE(name, rl) \ struct static_key_false_deferred name = { STATIC_KEY_FALSE_INIT }
#define static_branch_slow_dec_deferred(x) static_branch_dec(&(x)->key)
static inline void static_key_slow_dec_deferred(struct static_key_deferred *key){ STATIC_KEY_CHECK_USE(key); static_key_slow_dec(&key->key);}static inline void static_key_deferred_flush(void *key){ STATIC_KEY_CHECK_USE(key);}static inline voidjump_label_rate_limit(struct static_key_deferred *key, unsigned long rl){ STATIC_KEY_CHECK_USE(key);}#endif /* CONFIG_JUMP_LABEL */
#define static_branch_deferred_inc(x) static_branch_inc(&(x)->key)
#endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */