diff mbox series

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

Message ID 173371207108.480397.12818384744149153972.stgit@devnote2 (mailing list archive)
State New
Headers show
Series kprobes: jump label: Cleanup with guard and __free | expand

Commit Message

Masami Hiramatsu (Google) Dec. 9, 2024, 2:41 a.m. UTC 
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 mbox series

Patch

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