[PATCH 1/5] jump_label: Define guard() for jump_label_lock

Masami Hiramatsu (Google)
2024-12-09T02:41:21Z

From: Masami Hiramatsu (Google) <mhiramat@kernel.org>

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
include/linux/jump_label.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index f5a2727ca4a9..fdb79dd1ebd8 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -75,6 +75,7 @@

#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/cleanup.h>

extern bool static_key_initialized;

@@ -347,6 +348,8 @@ static inline void static_key_disable(struct static_key *key)

#endif /* CONFIG_JUMP_LABEL */

+DEFINE_LOCK_GUARD_0(jump_label_lock, jump_label_lock(), jump_label_unlock())
+
#define STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
#define jump_label_enabled static_key_enabled