Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / jump_label_ratelimit.h

diff --git a/kernel/include/linux/jump_label_ratelimit.h b/kernel/include/linux/jump_label_ratelimit.h
new file mode 100644 (file)
index 0000000..089f70f
--- /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 */