[PATCH v2 2/4] locking/lockdep: Add a guard for lock_map_acquire()
From: Thomas Weißschuh
Date: Mon May 04 2026 - 06:48:04 EST
Make it easy to acquire a lock map based on source code structure.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
---
include/linux/lockdep.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index ae3e332f1518..fad8d71e0505 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -10,6 +10,7 @@
#ifndef __LINUX_LOCKDEP_H
#define __LINUX_LOCKDEP_H
+#include <linux/cleanup.h>
#include <linux/lockdep_types.h>
#include <linux/smp.h>
#include <asm/percpu.h>
@@ -553,6 +554,8 @@ do { \
#define lock_map_release(l) lock_release(l, _THIS_IP_)
#define lock_map_sync(l) lock_sync(l, 0, 0, 1, NULL, _THIS_IP_)
+DEFINE_GUARD(lock_map_acquire, struct lockdep_map *, lock_map_acquire(_T), lock_map_release(_T))
+
#ifdef CONFIG_PROVE_LOCKING
# define might_lock(lock) \
do { \
--
2.53.0