diff options
Diffstat (limited to 'kernel/include/linux/jump_label_ratelimit.h')
| -rw-r--r-- | kernel/include/linux/jump_label_ratelimit.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/kernel/include/linux/jump_label_ratelimit.h b/kernel/include/linux/jump_label_ratelimit.h new file mode 100644 index 000000000..089f70f83 --- /dev/null +++ b/kernel/include/linux/jump_label_ratelimit.h @@ -0,0 +1,36 @@ +#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_CHECK_USE(); + static_key_slow_dec(&key->key); +} +static inline void +jump_label_rate_limit(struct static_key_deferred *key, + unsigned long rl) +{ + STATIC_KEY_CHECK_USE(); +} +#endif /* HAVE_JUMP_LABEL */ +#endif /* _LINUX_JUMP_LABEL_RATELIMIT_H */ |