LXR linux/include/linux/jump_label

   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)
   8struct 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
  16extern void static_key_slow_dec_deferred(struct static_key_deferred *key);
  17extern void
  18jump_label_rate_limit(struct static_key_deferred *key, unsigned long rl);
  19
  20#else   /* !HAVE_JUMP_LABEL */
  21struct static_key_deferred {
  22        struct static_key  key;
  23};
  24static inline void static_key_slow_dec_deferred(struct static_key_deferred *key)
  25{
  26        STATIC_KEY_CHECK_USE();
  27        static_key_slow_dec(&key->key);
  28}
  29static inline void
  30jump_label_rate_limit(struct static_key_deferred *key,
  31                unsigned long rl)
  32{
  33        STATIC_KEY_CHECK_USE();
  34}
  35#endif  /* HAVE_JUMP_LABEL */
  36#endif  /* _LINUX_JUMP_LABEL_RATELIMIT_H */
  37