[deliverable/linux.git] / include / linux / jump_label_ratelimit.h

#ifndef _LINUX_JUMP_LABEL_RATELIMIT_H
#define _LINUX_JUMP_LABEL_RATELIMIT_H

#include <linux/jump_label.h>
#include <linux/workqueue.h>

#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL)
struct static_key_deferred {
	struct static_key key;
	unsigned long timeout;
	struct delayed_work work;
};
#endif

#ifdef HAVE_JUMP_LABEL
extern void static_key_slow_dec_deferred(struct static_key_deferred *key);
extern void
jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);

#else	/* !HAVE_JUMP_LABEL */
struct static_key_deferred {
	struct static_key  key;
};
static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
{
	static_key_slow_dec(&key->key);
}
static inline void
jump_label_rate_limit(struct static_key_deferred *key,
		unsigned long rl)
{
}
#endif	/* HAVE_JUMP_LABEL */
#endif	/* _LINUX_JUMP_LABEL_RATELIMIT_H */
Commit	Line	Data
851cf6e7 AJ	1	#ifndef _LINUX_JUMP_LABEL_RATELIMIT_H
	2	#define _LINUX_JUMP_LABEL_RATELIMIT_H
	3
	4	#include <linux/jump_label.h>
	5	#include <linux/workqueue.h>
	6
	7	#if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL)
	8	struct static_key_deferred {
	9	struct static_key key;
	10	unsigned long timeout;
	11	struct delayed_work work;
	12	};
	13	#endif
	14
	15	#ifdef HAVE_JUMP_LABEL
	16	extern void static_key_slow_dec_deferred(struct static_key_deferred *key);
	17	extern void
	18	jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);
	19
	20	#else /* !HAVE_JUMP_LABEL */
	21	struct static_key_deferred {
	22	struct static_key key;
	23	};
	24	static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
	25	{
	26	static_key_slow_dec(&key->key);
	27	}
	28	static inline void
	29	jump_label_rate_limit(struct static_key_deferred *key,
	30	unsigned long rl)
	31	{
	32	}
	33	#endif /* HAVE_JUMP_LABEL */
	34	#endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */