Module Name: src
Committed By: riastradh
Date: Sun Dec 19 11:04:42 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: lockdep.h
Log Message:
lockdep_pin/unpin_lock
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/external/bsd/drm2/include/linux/lockdep.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/lockdep.h
diff -u src/sys/external/bsd/drm2/include/linux/lockdep.h:1.3 src/sys/external/bsd/drm2/include/linux/lockdep.h:1.4
--- src/sys/external/bsd/drm2/include/linux/lockdep.h:1.3 Sun Dec 19 09:43:26 2021
+++ src/sys/external/bsd/drm2/include/linux/lockdep.h Sun Dec 19 11:04:42 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: lockdep.h,v 1.3 2021/12/19 09:43:26 riastradh Exp $ */
+/* $NetBSD: lockdep.h,v 1.4 2021/12/19 11:04:42 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -32,6 +32,9 @@
#ifndef _LINUX_LOCKDEP_H_
#define _LINUX_LOCKDEP_H_
+struct mutex;
+struct spinlock;
+
#define __acquires(lock) /* XXX lockdep annotation */
#define __releases(lock) /* XXX lockdep annotation */
@@ -60,4 +63,20 @@
#define SINGLE_DEPTH_NESTING 0
+struct pin_cookie {
+ int dummy;
+};
+
+static inline struct pin_cookie
+lockdep_pin_lock(struct mutex *m)
+{
+ return (struct pin_cookie) { (int)(intptr_t)m };
+}
+
+static inline void
+lockdep_unpin_lock(struct mutex *m, struct pin_cookie cookie)
+{
+ KASSERT(cookie.dummy == (int)(intptr_t)m);
+}
+
#endif /* _LINUX_LOCKDEP_H_ */
